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-rw-r--r--clang/lib/Frontend/ASTUnit.cpp4
-rw-r--r--clang/lib/Frontend/CMakeLists.txt6
-rw-r--r--clang/lib/Frontend/CompilerInstance.cpp2
-rw-r--r--clang/lib/Frontend/CompilerInvocation.cpp2
-rw-r--r--clang/lib/Frontend/FrontendActions.cpp2
-rw-r--r--clang/lib/Frontend/GeneratePCH.cpp64
-rw-r--r--clang/lib/Frontend/PCHReader.cpp3857
-rw-r--r--clang/lib/Frontend/PCHReaderDecl.cpp1600
-rw-r--r--clang/lib/Frontend/PCHReaderStmt.cpp1775
-rw-r--r--clang/lib/Frontend/PCHWriter.cpp3094
-rw-r--r--clang/lib/Frontend/PCHWriterDecl.cpp1174
-rw-r--r--clang/lib/Frontend/PCHWriterStmt.cpp1370
12 files changed, 5 insertions, 12945 deletions
diff --git a/clang/lib/Frontend/ASTUnit.cpp b/clang/lib/Frontend/ASTUnit.cpp
index 428647f03f4..019d25c131f 100644
--- a/clang/lib/Frontend/ASTUnit.cpp
+++ b/clang/lib/Frontend/ASTUnit.cpp
@@ -12,7 +12,6 @@
//===----------------------------------------------------------------------===//
#include "clang/Frontend/ASTUnit.h"
-#include "clang/Frontend/PCHWriter.h"
#include "clang/AST/ASTContext.h"
#include "clang/AST/ASTConsumer.h"
#include "clang/AST/DeclVisitor.h"
@@ -26,7 +25,8 @@
#include "clang/Frontend/FrontendActions.h"
#include "clang/Frontend/FrontendDiagnostic.h"
#include "clang/Frontend/FrontendOptions.h"
-#include "clang/Frontend/PCHReader.h"
+#include "clang/Serialization/PCHReader.h"
+#include "clang/Serialization/PCHWriter.h"
#include "clang/Lex/HeaderSearch.h"
#include "clang/Lex/Preprocessor.h"
#include "clang/Basic/TargetOptions.h"
diff --git a/clang/lib/Frontend/CMakeLists.txt b/clang/lib/Frontend/CMakeLists.txt
index a3fd17fc8c2..fa20aff9657 100644
--- a/clang/lib/Frontend/CMakeLists.txt
+++ b/clang/lib/Frontend/CMakeLists.txt
@@ -20,12 +20,6 @@ add_clang_library(clangFrontend
InitHeaderSearch.cpp
InitPreprocessor.cpp
LangStandards.cpp
- PCHReader.cpp
- PCHReaderDecl.cpp
- PCHReaderStmt.cpp
- PCHWriter.cpp
- PCHWriterDecl.cpp
- PCHWriterStmt.cpp
PrintPreprocessedOutput.cpp
StmtXML.cpp
TextDiagnosticBuffer.cpp
diff --git a/clang/lib/Frontend/CompilerInstance.cpp b/clang/lib/Frontend/CompilerInstance.cpp
index 8e1dbcb9d24..aaa67804cef 100644
--- a/clang/lib/Frontend/CompilerInstance.cpp
+++ b/clang/lib/Frontend/CompilerInstance.cpp
@@ -21,11 +21,11 @@
#include "clang/Lex/PTHManager.h"
#include "clang/Frontend/ChainedDiagnosticClient.h"
#include "clang/Frontend/FrontendAction.h"
-#include "clang/Frontend/PCHReader.h"
#include "clang/Frontend/FrontendDiagnostic.h"
#include "clang/Frontend/TextDiagnosticPrinter.h"
#include "clang/Frontend/VerifyDiagnosticsClient.h"
#include "clang/Frontend/Utils.h"
+#include "clang/Serialization/PCHReader.h"
#include "clang/Sema/CodeCompleteConsumer.h"
#include "llvm/LLVMContext.h"
#include "llvm/Support/MemoryBuffer.h"
diff --git a/clang/lib/Frontend/CompilerInvocation.cpp b/clang/lib/Frontend/CompilerInvocation.cpp
index 82cd75d18ab..68b384f48c2 100644
--- a/clang/lib/Frontend/CompilerInvocation.cpp
+++ b/clang/lib/Frontend/CompilerInvocation.cpp
@@ -18,7 +18,7 @@
#include "clang/Driver/Option.h"
#include "clang/Frontend/CompilerInvocation.h"
#include "clang/Frontend/LangStandard.h"
-#include "clang/Frontend/PCHReader.h"
+#include "clang/Serialization/PCHReader.h"
#include "llvm/ADT/OwningPtr.h"
#include "llvm/ADT/SmallVector.h"
#include "llvm/ADT/StringExtras.h"
diff --git a/clang/lib/Frontend/FrontendActions.cpp b/clang/lib/Frontend/FrontendActions.cpp
index 0a03ab4c847..8599efb95ee 100644
--- a/clang/lib/Frontend/FrontendActions.cpp
+++ b/clang/lib/Frontend/FrontendActions.cpp
@@ -17,8 +17,8 @@
#include "clang/Frontend/ASTUnit.h"
#include "clang/Frontend/CompilerInstance.h"
#include "clang/Frontend/FrontendDiagnostic.h"
-#include "clang/Frontend/PCHWriter.h"
#include "clang/Frontend/Utils.h"
+#include "clang/Serialization/PCHWriter.h"
#include "llvm/ADT/OwningPtr.h"
#include "llvm/Support/MemoryBuffer.h"
#include "llvm/Support/raw_ostream.h"
diff --git a/clang/lib/Frontend/GeneratePCH.cpp b/clang/lib/Frontend/GeneratePCH.cpp
deleted file mode 100644
index 33f5ef56ae3..00000000000
--- a/clang/lib/Frontend/GeneratePCH.cpp
+++ /dev/null
@@ -1,64 +0,0 @@
-//===--- GeneratePCH.cpp - AST Consumer for PCH Generation ------*- C++ -*-===//
-//
-// The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-//
-// This file defines the CreatePCHGenerate function, which creates an
-// ASTConsume that generates a PCH file.
-//
-//===----------------------------------------------------------------------===//
-
-#include "clang/Frontend/ASTConsumers.h"
-#include "clang/Frontend/PCHWriter.h"
-#include "clang/Sema/SemaConsumer.h"
-#include "clang/AST/ASTContext.h"
-#include "clang/AST/ASTConsumer.h"
-#include "clang/Lex/Preprocessor.h"
-#include "clang/Basic/FileManager.h"
-#include "llvm/Bitcode/BitstreamWriter.h"
-#include "llvm/Support/raw_ostream.h"
-#include <string>
-
-using namespace clang;
-
-PCHGenerator::PCHGenerator(const Preprocessor &PP,
- bool Chaining,
- const char *isysroot,
- llvm::raw_ostream *OS)
- : PP(PP), isysroot(isysroot), Out(OS), SemaPtr(0),
- StatCalls(0), Stream(Buffer), Writer(Stream) {
-
- // Install a stat() listener to keep track of all of the stat()
- // calls.
- StatCalls = new MemorizeStatCalls;
- // If we have a chain, we want new stat calls only, so install the memorizer
- // *after* the already installed PCHReader's stat cache.
- PP.getFileManager().addStatCache(StatCalls,
- /*AtBeginning=*/!Chaining);
-}
-
-void PCHGenerator::HandleTranslationUnit(ASTContext &Ctx) {
- if (PP.getDiagnostics().hasErrorOccurred())
- return;
-
- // Emit the PCH file
- assert(SemaPtr && "No Sema?");
- Writer.WritePCH(*SemaPtr, StatCalls, isysroot);
-
- // Write the generated bitstream to "Out".
- Out->write((char *)&Buffer.front(), Buffer.size());
-
- // Make sure it hits disk now.
- Out->flush();
-
- // Free up some memory, in case the process is kept alive.
- Buffer.clear();
-}
-
-PCHDeserializationListener *PCHGenerator::GetPCHDeserializationListener() {
- return &Writer;
-}
diff --git a/clang/lib/Frontend/PCHReader.cpp b/clang/lib/Frontend/PCHReader.cpp
deleted file mode 100644
index 94917707975..00000000000
--- a/clang/lib/Frontend/PCHReader.cpp
+++ /dev/null
@@ -1,3857 +0,0 @@
-//===--- PCHReader.cpp - Precompiled Headers Reader -------------*- C++ -*-===//
-//
-// The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-//
-// This file defines the PCHReader class, which reads a precompiled header.
-//
-//===----------------------------------------------------------------------===//
-
-#include "clang/Frontend/PCHReader.h"
-#include "clang/Frontend/FrontendDiagnostic.h"
-#include "clang/Frontend/PCHDeserializationListener.h"
-#include "clang/Frontend/Utils.h"
-#include "clang/Sema/Sema.h"
-#include "clang/AST/ASTConsumer.h"
-#include "clang/AST/ASTContext.h"
-#include "clang/AST/Expr.h"
-#include "clang/AST/Type.h"
-#include "clang/AST/TypeLocVisitor.h"
-#include "clang/Lex/MacroInfo.h"
-#include "clang/Lex/PreprocessingRecord.h"
-#include "clang/Lex/Preprocessor.h"
-#include "clang/Lex/HeaderSearch.h"
-#include "clang/Basic/OnDiskHashTable.h"
-#include "clang/Basic/SourceManager.h"
-#include "clang/Basic/SourceManagerInternals.h"
-#include "clang/Basic/FileManager.h"
-#include "clang/Basic/TargetInfo.h"
-#include "clang/Basic/Version.h"
-#include "llvm/ADT/StringExtras.h"
-#include "llvm/Bitcode/BitstreamReader.h"
-#include "llvm/Support/MemoryBuffer.h"
-#include "llvm/Support/ErrorHandling.h"
-#include "llvm/System/Path.h"
-#include <algorithm>
-#include <iterator>
-#include <cstdio>
-#include <sys/stat.h>
-using namespace clang;
-
-//===----------------------------------------------------------------------===//
-// PCH reader validator implementation
-//===----------------------------------------------------------------------===//
-
-PCHReaderListener::~PCHReaderListener() {}
-
-bool
-PCHValidator::ReadLanguageOptions(const LangOptions &LangOpts) {
- const LangOptions &PPLangOpts = PP.getLangOptions();
-#define PARSE_LANGOPT_BENIGN(Option)
-#define PARSE_LANGOPT_IMPORTANT(Option, DiagID) \
- if (PPLangOpts.Option != LangOpts.Option) { \
- Reader.Diag(DiagID) << LangOpts.Option << PPLangOpts.Option; \
- return true; \
- }
-
- PARSE_LANGOPT_BENIGN(Trigraphs);
- PARSE_LANGOPT_BENIGN(BCPLComment);
- PARSE_LANGOPT_BENIGN(DollarIdents);
- PARSE_LANGOPT_BENIGN(AsmPreprocessor);
- PARSE_LANGOPT_IMPORTANT(GNUMode, diag::warn_pch_gnu_extensions);
- PARSE_LANGOPT_IMPORTANT(GNUKeywords, diag::warn_pch_gnu_keywords);
- PARSE_LANGOPT_BENIGN(ImplicitInt);
- PARSE_LANGOPT_BENIGN(Digraphs);
- PARSE_LANGOPT_BENIGN(HexFloats);
- PARSE_LANGOPT_IMPORTANT(C99, diag::warn_pch_c99);
- PARSE_LANGOPT_IMPORTANT(Microsoft, diag::warn_pch_microsoft_extensions);
- PARSE_LANGOPT_IMPORTANT(CPlusPlus, diag::warn_pch_cplusplus);
- PARSE_LANGOPT_IMPORTANT(CPlusPlus0x, diag::warn_pch_cplusplus0x);
- PARSE_LANGOPT_BENIGN(CXXOperatorName);
- PARSE_LANGOPT_IMPORTANT(ObjC1, diag::warn_pch_objective_c);
- PARSE_LANGOPT_IMPORTANT(ObjC2, diag::warn_pch_objective_c2);
- PARSE_LANGOPT_IMPORTANT(ObjCNonFragileABI, diag::warn_pch_nonfragile_abi);
- PARSE_LANGOPT_IMPORTANT(ObjCNonFragileABI2, diag::warn_pch_nonfragile_abi2);
- PARSE_LANGOPT_IMPORTANT(NoConstantCFStrings,
- diag::warn_pch_no_constant_cfstrings);
- PARSE_LANGOPT_BENIGN(PascalStrings);
- PARSE_LANGOPT_BENIGN(WritableStrings);
- PARSE_LANGOPT_IMPORTANT(LaxVectorConversions,
- diag::warn_pch_lax_vector_conversions);
- PARSE_LANGOPT_IMPORTANT(AltiVec, diag::warn_pch_altivec);
- PARSE_LANGOPT_IMPORTANT(Exceptions, diag::warn_pch_exceptions);
- PARSE_LANGOPT_IMPORTANT(SjLjExceptions, diag::warn_pch_sjlj_exceptions);
- PARSE_LANGOPT_IMPORTANT(NeXTRuntime, diag::warn_pch_objc_runtime);
- PARSE_LANGOPT_IMPORTANT(Freestanding, diag::warn_pch_freestanding);
- PARSE_LANGOPT_IMPORTANT(NoBuiltin, diag::warn_pch_builtins);
- PARSE_LANGOPT_IMPORTANT(ThreadsafeStatics,
- diag::warn_pch_thread_safe_statics);
- PARSE_LANGOPT_IMPORTANT(POSIXThreads, diag::warn_pch_posix_threads);
- PARSE_LANGOPT_IMPORTANT(Blocks, diag::warn_pch_blocks);
- PARSE_LANGOPT_BENIGN(EmitAllDecls);
- PARSE_LANGOPT_IMPORTANT(MathErrno, diag::warn_pch_math_errno);
- PARSE_LANGOPT_BENIGN(getSignedOverflowBehavior());
- PARSE_LANGOPT_IMPORTANT(HeinousExtensions,
- diag::warn_pch_heinous_extensions);
- // FIXME: Most of the options below are benign if the macro wasn't
- // used. Unfortunately, this means that a PCH compiled without
- // optimization can't be used with optimization turned on, even
- // though the only thing that changes is whether __OPTIMIZE__ was
- // defined... but if __OPTIMIZE__ never showed up in the header, it
- // doesn't matter. We could consider making this some special kind
- // of check.
- PARSE_LANGOPT_IMPORTANT(Optimize, diag::warn_pch_optimize);
- PARSE_LANGOPT_IMPORTANT(OptimizeSize, diag::warn_pch_optimize_size);
- PARSE_LANGOPT_IMPORTANT(Static, diag::warn_pch_static);
- PARSE_LANGOPT_IMPORTANT(PICLevel, diag::warn_pch_pic_level);
- PARSE_LANGOPT_IMPORTANT(GNUInline, diag::warn_pch_gnu_inline);
- PARSE_LANGOPT_IMPORTANT(NoInline, diag::warn_pch_no_inline);
- PARSE_LANGOPT_IMPORTANT(AccessControl, diag::warn_pch_access_control);
- PARSE_LANGOPT_IMPORTANT(CharIsSigned, diag::warn_pch_char_signed);
- PARSE_LANGOPT_IMPORTANT(ShortWChar, diag::warn_pch_short_wchar);
- if ((PPLangOpts.getGCMode() != 0) != (LangOpts.getGCMode() != 0)) {
- Reader.Diag(diag::warn_pch_gc_mode)
- << LangOpts.getGCMode() << PPLangOpts.getGCMode();
- return true;
- }
- PARSE_LANGOPT_BENIGN(getVisibilityMode());
- PARSE_LANGOPT_IMPORTANT(getStackProtectorMode(),
- diag::warn_pch_stack_protector);
- PARSE_LANGOPT_BENIGN(InstantiationDepth);
- PARSE_LANGOPT_IMPORTANT(OpenCL, diag::warn_pch_opencl);
- PARSE_LANGOPT_BENIGN(CatchUndefined);
- PARSE_LANGOPT_IMPORTANT(ElideConstructors, diag::warn_pch_elide_constructors);
- PARSE_LANGOPT_BENIGN(SpellChecking);
-#undef PARSE_LANGOPT_IMPORTANT
-#undef PARSE_LANGOPT_BENIGN
-
- return false;
-}
-
-bool PCHValidator::ReadTargetTriple(llvm::StringRef Triple) {
- if (Triple == PP.getTargetInfo().getTriple().str())
- return false;
-
- Reader.Diag(diag::warn_pch_target_triple)
- << Triple << PP.getTargetInfo().getTriple().str();
- return true;
-}
-
-struct EmptyStringRef {
- bool operator ()(llvm::StringRef r) const { return r.empty(); }
-};
-struct EmptyBlock {
- bool operator ()(const PCHPredefinesBlock &r) const { return r.Data.empty(); }
-};
-
-static bool EqualConcatenations(llvm::SmallVector<llvm::StringRef, 2> L,
- PCHPredefinesBlocks R) {
- // First, sum up the lengths.
- unsigned LL = 0, RL = 0;
- for (unsigned I = 0, N = L.size(); I != N; ++I) {
- LL += L[I].size();
- }
- for (unsigned I = 0, N = R.size(); I != N; ++I) {
- RL += R[I].Data.size();
- }
- if (LL != RL)
- return false;
- if (LL == 0 && RL == 0)
- return true;
-
- // Kick out empty parts, they confuse the algorithm below.
- L.erase(std::remove_if(L.begin(), L.end(), EmptyStringRef()), L.end());
- R.erase(std::remove_if(R.begin(), R.end(), EmptyBlock()), R.end());
-
- // Do it the hard way. At this point, both vectors must be non-empty.
- llvm::StringRef LR = L[0], RR = R[0].Data;
- unsigned LI = 0, RI = 0, LN = L.size(), RN = R.size();
- (void) RN;
- for (;;) {
- // Compare the current pieces.
- if (LR.size() == RR.size()) {
- // If they're the same length, it's pretty easy.
- if (LR != RR)
- return false;
- // Both pieces are done, advance.
- ++LI;
- ++RI;
- // If either string is done, they're both done, since they're the same
- // length.
- if (LI == LN) {
- assert(RI == RN && "Strings not the same length after all?");
- return true;
- }
- LR = L[LI];
- RR = R[RI].Data;
- } else if (LR.size() < RR.size()) {
- // Right piece is longer.
- if (!RR.startswith(LR))
- return false;
- ++LI;
- assert(LI != LN && "Strings not the same length after all?");
- RR = RR.substr(LR.size());
- LR = L[LI];
- } else {
- // Left piece is longer.
- if (!LR.startswith(RR))
- return false;
- ++RI;
- assert(RI != RN && "Strings not the same length after all?");
- LR = LR.substr(RR.size());
- RR = R[RI].Data;
- }
- }
-}
-
-static std::pair<FileID, llvm::StringRef::size_type>
-FindMacro(const PCHPredefinesBlocks &Buffers, llvm::StringRef MacroDef) {
- std::pair<FileID, llvm::StringRef::size_type> Res;
- for (unsigned I = 0, N = Buffers.size(); I != N; ++I) {
- Res.second = Buffers[I].Data.find(MacroDef);
- if (Res.second != llvm::StringRef::npos) {
- Res.first = Buffers[I].BufferID;
- break;
- }
- }
- return Res;
-}
-
-bool PCHValidator::ReadPredefinesBuffer(const PCHPredefinesBlocks &Buffers,
- llvm::StringRef OriginalFileName,
- std::string &SuggestedPredefines) {
- // We are in the context of an implicit include, so the predefines buffer will
- // have a #include entry for the PCH file itself (as normalized by the
- // preprocessor initialization). Find it and skip over it in the checking
- // below.
- llvm::SmallString<256> PCHInclude;
- PCHInclude += "#include \"";
- PCHInclude += NormalizeDashIncludePath(OriginalFileName);
- PCHInclude += "\"\n";
- std::pair<llvm::StringRef,llvm::StringRef> Split =
- llvm::StringRef(PP.getPredefines()).split(PCHInclude.str());
- llvm::StringRef Left = Split.first, Right = Split.second;
- if (Left == PP.getPredefines()) {
- Error("Missing PCH include entry!");
- return true;
- }
-
- // If the concatenation of all the PCH buffers is equal to the adjusted
- // command line, we're done.
- // We build a SmallVector of the command line here, because we'll eventually
- // need to support an arbitrary amount of pieces anyway (when we have chained
- // PCH reading).
- llvm::SmallVector<llvm::StringRef, 2> CommandLine;
- CommandLine.push_back(Left);
- CommandLine.push_back(Right);
- if (EqualConcatenations(CommandLine, Buffers))
- return false;
-
- SourceManager &SourceMgr = PP.getSourceManager();
-
- // The predefines buffers are different. Determine what the differences are,
- // and whether they require us to reject the PCH file.
- llvm::SmallVector<llvm::StringRef, 8> PCHLines;
- for (unsigned I = 0, N = Buffers.size(); I != N; ++I)
- Buffers[I].Data.split(PCHLines, "\n", /*MaxSplit=*/-1, /*KeepEmpty=*/false);
-
- llvm::SmallVector<llvm::StringRef, 8> CmdLineLines;
- Left.split(CmdLineLines, "\n", /*MaxSplit=*/-1, /*KeepEmpty=*/false);
- Right.split(CmdLineLines, "\n", /*MaxSplit=*/-1, /*KeepEmpty=*/false);
-
- // Sort both sets of predefined buffer lines, since we allow some extra
- // definitions and they may appear at any point in the output.
- std::sort(CmdLineLines.begin(), CmdLineLines.end());
- std::sort(PCHLines.begin(), PCHLines.end());
-
- // Determine which predefines that were used to build the PCH file are missing
- // from the command line.
- std::vector<llvm::StringRef> MissingPredefines;
- std::set_difference(PCHLines.begin(), PCHLines.end(),
- CmdLineLines.begin(), CmdLineLines.end(),
- std::back_inserter(MissingPredefines));
-
- bool MissingDefines = false;
- bool ConflictingDefines = false;
- for (unsigned I = 0, N = MissingPredefines.size(); I != N; ++I) {
- llvm::StringRef Missing = MissingPredefines[I];
- if (!Missing.startswith("#define ")) {
- Reader.Diag(diag::warn_pch_compiler_options_mismatch);
- return true;
- }
-
- // This is a macro definition. Determine the name of the macro we're
- // defining.
- std::string::size_type StartOfMacroName = strlen("#define ");
- std::string::size_type EndOfMacroName
- = Missing.find_first_of("( \n\r", StartOfMacroName);
- assert(EndOfMacroName != std::string::npos &&
- "Couldn't find the end of the macro name");
- llvm::StringRef MacroName = Missing.slice(StartOfMacroName, EndOfMacroName);
-
- // Determine whether this macro was given a different definition on the
- // command line.
- std::string MacroDefStart = "#define " + MacroName.str();
- std::string::size_type MacroDefLen = MacroDefStart.size();
- llvm::SmallVector<llvm::StringRef, 8>::iterator ConflictPos
- = std::lower_bound(CmdLineLines.begin(), CmdLineLines.end(),
- MacroDefStart);
- for (; ConflictPos != CmdLineLines.end(); ++ConflictPos) {
- if (!ConflictPos->startswith(MacroDefStart)) {
- // Different macro; we're done.
- ConflictPos = CmdLineLines.end();
- break;
- }
-
- assert(ConflictPos->size() > MacroDefLen &&
- "Invalid #define in predefines buffer?");
- if ((*ConflictPos)[MacroDefLen] != ' ' &&
- (*ConflictPos)[MacroDefLen] != '(')
- continue; // Longer macro name; keep trying.
-
- // We found a conflicting macro definition.
- break;
- }
-
- if (ConflictPos != CmdLineLines.end()) {
- Reader.Diag(diag::warn_cmdline_conflicting_macro_def)
- << MacroName;
-
- // Show the definition of this macro within the PCH file.
- std::pair<FileID, llvm::StringRef::size_type> MacroLoc =
- FindMacro(Buffers, Missing);
- assert(MacroLoc.second!=llvm::StringRef::npos && "Unable to find macro!");
- SourceLocation PCHMissingLoc =
- SourceMgr.getLocForStartOfFile(MacroLoc.first)
- .getFileLocWithOffset(MacroLoc.second);
- Reader.Diag(PCHMissingLoc, diag::note_pch_macro_defined_as) << MacroName;
-
- ConflictingDefines = true;
- continue;
- }
-
- // If the macro doesn't conflict, then we'll just pick up the macro
- // definition from the PCH file. Warn the user that they made a mistake.
- if (ConflictingDefines)
- continue; // Don't complain if there are already conflicting defs
-
- if (!MissingDefines) {
- Reader.Diag(diag::warn_cmdline_missing_macro_defs);
- MissingDefines = true;
- }
-
- // Show the definition of this macro within the PCH file.
- std::pair<FileID, llvm::StringRef::size_type> MacroLoc =
- FindMacro(Buffers, Missing);
- assert(MacroLoc.second!=llvm::StringRef::npos && "Unable to find macro!");
- SourceLocation PCHMissingLoc =
- SourceMgr.getLocForStartOfFile(MacroLoc.first)
- .getFileLocWithOffset(MacroLoc.second);
- Reader.Diag(PCHMissingLoc, diag::note_using_macro_def_from_pch);
- }
-
- if (ConflictingDefines)
- return true;
-
- // Determine what predefines were introduced based on command-line
- // parameters that were not present when building the PCH
- // file. Extra #defines are okay, so long as the identifiers being
- // defined were not used within the precompiled header.
- std::vector<llvm::StringRef> ExtraPredefines;
- std::set_difference(CmdLineLines.begin(), CmdLineLines.end(),
- PCHLines.begin(), PCHLines.end(),
- std::back_inserter(ExtraPredefines));
- for (unsigned I = 0, N = ExtraPredefines.size(); I != N; ++I) {
- llvm::StringRef &Extra = ExtraPredefines[I];
- if (!Extra.startswith("#define ")) {
- Reader.Diag(diag::warn_pch_compiler_options_mismatch);
- return true;
- }
-
- // This is an extra macro definition. Determine the name of the
- // macro we're defining.
- std::string::size_type StartOfMacroName = strlen("#define ");
- std::string::size_type EndOfMacroName
- = Extra.find_first_of("( \n\r", StartOfMacroName);
- assert(EndOfMacroName != std::string::npos &&
- "Couldn't find the end of the macro name");
- llvm::StringRef MacroName = Extra.slice(StartOfMacroName, EndOfMacroName);
-
- // Check whether this name was used somewhere in the PCH file. If
- // so, defining it as a macro could change behavior, so we reject
- // the PCH file.
- if (IdentifierInfo *II = Reader.get(MacroName)) {
- Reader.Diag(diag::warn_macro_name_used_in_pch) << II;
- return true;
- }
-
- // Add this definition to the suggested predefines buffer.
- SuggestedPredefines += Extra;
- SuggestedPredefines += '\n';
- }
-
- // If we get here, it's because the predefines buffer had compatible
- // contents. Accept the PCH file.
- return false;
-}
-
-void PCHValidator::ReadHeaderFileInfo(const HeaderFileInfo &HFI,
- unsigned ID) {
- PP.getHeaderSearchInfo().setHeaderFileInfoForUID(HFI, ID);
- ++NumHeaderInfos;
-}
-
-void PCHValidator::ReadCounter(unsigned Value) {
- PP.setCounterValue(Value);
-}
-
-//===----------------------------------------------------------------------===//
-// PCH reader implementation
-//===----------------------------------------------------------------------===//
-
-PCHReader::PCHReader(Preprocessor &PP, ASTContext *Context,
- const char *isysroot, bool DisableValidation)
- : Listener(new PCHValidator(PP, *this)), DeserializationListener(0),
- SourceMgr(PP.getSourceManager()), FileMgr(PP.getFileManager()),
- Diags(PP.getDiagnostics()), SemaObj(0), PP(&PP), Context(Context),
- Consumer(0), isysroot(isysroot), DisableValidation(DisableValidation),
- NumStatHits(0), NumStatMisses(0), NumSLocEntriesRead(0),
- TotalNumSLocEntries(0), NumStatementsRead(0), TotalNumStatements(0),
- NumMacrosRead(0), TotalNumMacros(0), NumSelectorsRead(0),
- NumMethodPoolEntriesRead(0), NumMethodPoolMisses(0),
- TotalNumMethodPoolEntries(0), NumLexicalDeclContextsRead(0),
- TotalLexicalDeclContexts(0), NumVisibleDeclContextsRead(0),
- TotalVisibleDeclContexts(0), NumCurrentElementsDeserializing(0) {
- RelocatablePCH = false;
-}
-
-PCHReader::PCHReader(SourceManager &SourceMgr, FileManager &FileMgr,
- Diagnostic &Diags, const char *isysroot,
- bool DisableValidation)
- : DeserializationListener(0), SourceMgr(SourceMgr), FileMgr(FileMgr),
- Diags(Diags), SemaObj(0), PP(0), Context(0), Consumer(0),
- isysroot(isysroot), DisableValidation(DisableValidation), NumStatHits(0),
- NumStatMisses(0), NumSLocEntriesRead(0), TotalNumSLocEntries(0),
- NumStatementsRead(0), TotalNumStatements(0), NumMacrosRead(0),
- TotalNumMacros(0), NumSelectorsRead(0), NumMethodPoolEntriesRead(0),
- NumMethodPoolMisses(0), TotalNumMethodPoolEntries(0),
- NumLexicalDeclContextsRead(0), TotalLexicalDeclContexts(0),
- NumVisibleDeclContextsRead(0), TotalVisibleDeclContexts(0),
- NumCurrentElementsDeserializing(0) {
- RelocatablePCH = false;
-}
-
-PCHReader::~PCHReader() {
- for (unsigned i = 0, e = Chain.size(); i != e; ++i)
- delete Chain[e - i - 1];
-}
-
-PCHReader::PerFileData::PerFileData()
- : StatCache(0), LocalNumSLocEntries(0), LocalNumTypes(0), TypeOffsets(0),
- LocalNumDecls(0), DeclOffsets(0), LocalNumIdentifiers(0),
- IdentifierOffsets(0), IdentifierTableData(0), IdentifierLookupTable(0),
- LocalNumMacroDefinitions(0), MacroDefinitionOffsets(0),
- NumPreallocatedPreprocessingEntities(0), SelectorLookupTable(0),
- SelectorLookupTableData(0), SelectorOffsets(0), LocalNumSelectors(0)
-{}
-
-void
-PCHReader::setDeserializationListener(PCHDeserializationListener *Listener) {
- DeserializationListener = Listener;
- if (DeserializationListener)
- DeserializationListener->SetReader(this);
-}
-
-
-namespace {
-class PCHSelectorLookupTrait {
- PCHReader &Reader;
-
-public:
- struct data_type {
- pch::SelectorID ID;
- ObjCMethodList Instance, Factory;
- };
-
- typedef Selector external_key_type;
- typedef external_key_type internal_key_type;
-
- explicit PCHSelectorLookupTrait(PCHReader &Reader) : Reader(Reader) { }
-
- static bool EqualKey(const internal_key_type& a,
- const internal_key_type& b) {
- return a == b;
- }
-
- static unsigned ComputeHash(Selector Sel) {
- unsigned N = Sel.getNumArgs();
- if (N == 0)
- ++N;
- unsigned R = 5381;
- for (unsigned I = 0; I != N; ++I)
- if (IdentifierInfo *II = Sel.getIdentifierInfoForSlot(I))
- R = llvm::HashString(II->getName(), R);
- return R;
- }
-
- // This hopefully will just get inlined and removed by the optimizer.
- static const internal_key_type&
- GetInternalKey(const external_key_type& x) { return x; }
-
- static std::pair<unsigned, unsigned>
- ReadKeyDataLength(const unsigned char*& d) {
- using namespace clang::io;
- unsigned KeyLen = ReadUnalignedLE16(d);
- unsigned DataLen = ReadUnalignedLE16(d);
- return std::make_pair(KeyLen, DataLen);
- }
-
- internal_key_type ReadKey(const unsigned char* d, unsigned) {
- using namespace clang::io;
- SelectorTable &SelTable = Reader.getContext()->Selectors;
- unsigned N = ReadUnalignedLE16(d);
- IdentifierInfo *FirstII
- = Reader.DecodeIdentifierInfo(ReadUnalignedLE32(d));
- if (N == 0)
- return SelTable.getNullarySelector(FirstII);
- else if (N == 1)
- return SelTable.getUnarySelector(FirstII);
-
- llvm::SmallVector<IdentifierInfo *, 16> Args;
- Args.push_back(FirstII);
- for (unsigned I = 1; I != N; ++I)
- Args.push_back(Reader.DecodeIdentifierInfo(ReadUnalignedLE32(d)));
-
- return SelTable.getSelector(N, Args.data());
- }
-
- data_type ReadData(Selector, const unsigned char* d, unsigned DataLen) {
- using namespace clang::io;
-
- data_type Result;
-
- Result.ID = ReadUnalignedLE32(d);
- unsigned NumInstanceMethods = ReadUnalignedLE16(d);
- unsigned NumFactoryMethods = ReadUnalignedLE16(d);
-
- // Load instance methods
- ObjCMethodList *Prev = 0;
- for (unsigned I = 0; I != NumInstanceMethods; ++I) {
- ObjCMethodDecl *Method
- = cast<ObjCMethodDecl>(Reader.GetDecl(ReadUnalignedLE32(d)));
- if (!Result.Instance.Method) {
- // This is the first method, which is the easy case.
- Result.Instance.Method = Method;
- Prev = &Result.Instance;
- continue;
- }
-
- ObjCMethodList *Mem =
- Reader.getSema()->BumpAlloc.Allocate<ObjCMethodList>();
- Prev->Next = new (Mem) ObjCMethodList(Method, 0);
- Prev = Prev->Next;
- }
-
- // Load factory methods
- Prev = 0;
- for (unsigned I = 0; I != NumFactoryMethods; ++I) {
- ObjCMethodDecl *Method
- = cast<ObjCMethodDecl>(Reader.GetDecl(ReadUnalignedLE32(d)));
- if (!Result.Factory.Method) {
- // This is the first method, which is the easy case.
- Result.Factory.Method = Method;
- Prev = &Result.Factory;
- continue;
- }
-
- ObjCMethodList *Mem =
- Reader.getSema()->BumpAlloc.Allocate<ObjCMethodList>();
- Prev->Next = new (Mem) ObjCMethodList(Method, 0);
- Prev = Prev->Next;
- }
-
- return Result;
- }
-};
-
-} // end anonymous namespace
-
-/// \brief The on-disk hash table used for the global method pool.
-typedef OnDiskChainedHashTable<PCHSelectorLookupTrait>
- PCHSelectorLookupTable;
-
-namespace {
-class PCHIdentifierLookupTrait {
- PCHReader &Reader;
- llvm::BitstreamCursor &Stream;
-
- // If we know the IdentifierInfo in advance, it is here and we will
- // not build a new one. Used when deserializing information about an
- // identifier that was constructed before the PCH file was read.
- IdentifierInfo *KnownII;
-
-public:
- typedef IdentifierInfo * data_type;
-
- typedef const std::pair<const char*, unsigned> external_key_type;
-
- typedef external_key_type internal_key_type;
-
- PCHIdentifierLookupTrait(PCHReader &Reader, llvm::BitstreamCursor &Stream,
- IdentifierInfo *II = 0)
- : Reader(Reader), Stream(Stream), KnownII(II) { }
-
- static bool EqualKey(const internal_key_type& a,
- const internal_key_type& b) {
- return (a.second == b.second) ? memcmp(a.first, b.first, a.second) == 0
- : false;
- }
-
- static unsigned ComputeHash(const internal_key_type& a) {
- return llvm::HashString(llvm::StringRef(a.first, a.second));
- }
-
- // This hopefully will just get inlined and removed by the optimizer.
- static const internal_key_type&
- GetInternalKey(const external_key_type& x) { return x; }
-
- static std::pair<unsigned, unsigned>
- ReadKeyDataLength(const unsigned char*& d) {
- using namespace clang::io;
- unsigned DataLen = ReadUnalignedLE16(d);
- unsigned KeyLen = ReadUnalignedLE16(d);
- return std::make_pair(KeyLen, DataLen);
- }
-
- static std::pair<const char*, unsigned>
- ReadKey(const unsigned char* d, unsigned n) {
- assert(n >= 2 && d[n-1] == '\0');
- return std::make_pair((const char*) d, n-1);
- }
-
- IdentifierInfo *ReadData(const internal_key_type& k,
- const unsigned char* d,
- unsigned DataLen) {
- using namespace clang::io;
- pch::IdentID ID = ReadUnalignedLE32(d);
- bool IsInteresting = ID & 0x01;
-
- // Wipe out the "is interesting" bit.
- ID = ID >> 1;
-
- if (!IsInteresting) {
- // For uninteresting identifiers, just build the IdentifierInfo
- // and associate it with the persistent ID.
- IdentifierInfo *II = KnownII;
- if (!II)
- II = &Reader.getIdentifierTable().getOwn(k.first, k.first + k.second);
- Reader.SetIdentifierInfo(ID, II);
- II->setIsFromPCH();
- return II;
- }
-
- unsigned Bits = ReadUnalignedLE16(d);
- bool CPlusPlusOperatorKeyword = Bits & 0x01;
- Bits >>= 1;
- bool HasRevertedTokenIDToIdentifier = Bits & 0x01;
- Bits >>= 1;
- bool Poisoned = Bits & 0x01;
- Bits >>= 1;
- bool ExtensionToken = Bits & 0x01;
- Bits >>= 1;
- bool hasMacroDefinition = Bits & 0x01;
- Bits >>= 1;
- unsigned ObjCOrBuiltinID = Bits & 0x3FF;
- Bits >>= 10;
-
- assert(Bits == 0 && "Extra bits in the identifier?");
- DataLen -= 6;
-
- // Build the IdentifierInfo itself and link the identifier ID with
- // the new IdentifierInfo.
- IdentifierInfo *II = KnownII;
- if (!II)
- II = &Reader.getIdentifierTable().getOwn(k.first, k.first + k.second);
- Reader.SetIdentifierInfo(ID, II);
-
- // Set or check the various bits in the IdentifierInfo structure.
- // Token IDs are read-only.
- if (HasRevertedTokenIDToIdentifier)
- II->RevertTokenIDToIdentifier();
- II->setObjCOrBuiltinID(ObjCOrBuiltinID);
- assert(II->isExtensionToken() == ExtensionToken &&
- "Incorrect extension token flag");
- (void)ExtensionToken;
- II->setIsPoisoned(Poisoned);
- assert(II->isCPlusPlusOperatorKeyword() == CPlusPlusOperatorKeyword &&
- "Incorrect C++ operator keyword flag");
- (void)CPlusPlusOperatorKeyword;
-
- // If this identifier is a macro, deserialize the macro
- // definition.
- if (hasMacroDefinition) {
- uint32_t Offset = ReadUnalignedLE32(d);
- Reader.ReadMacroRecord(Stream, Offset);
- DataLen -= 4;
- }
-
- // Read all of the declarations visible at global scope with this
- // name.
- if (Reader.getContext() == 0) return II;
- if (DataLen > 0) {
- llvm::SmallVector<uint32_t, 4> DeclIDs;
- for (; DataLen > 0; DataLen -= 4)
- DeclIDs.push_back(ReadUnalignedLE32(d));
- Reader.SetGloballyVisibleDecls(II, DeclIDs);
- }
-
- II->setIsFromPCH();
- return II;
- }
-};
-
-} // end anonymous namespace
-
-/// \brief The on-disk hash table used to contain information about
-/// all of the identifiers in the program.
-typedef OnDiskChainedHashTable<PCHIdentifierLookupTrait>
- PCHIdentifierLookupTable;
-
-void PCHReader::Error(const char *Msg) {
- Diag(diag::err_fe_pch_malformed) << Msg;
-}
-
-/// \brief Check the contents of the concatenation of all predefines buffers in
-/// the PCH chain against the contents of the predefines buffer of the current
-/// compiler invocation.
-///
-/// The contents should be the same. If not, then some command-line option
-/// changed the preprocessor state and we must probably reject the PCH file.
-///
-/// \returns true if there was a mismatch (in which case the PCH file
-/// should be ignored), or false otherwise.
-bool PCHReader::CheckPredefinesBuffers() {
- if (Listener)
- return Listener->ReadPredefinesBuffer(PCHPredefinesBuffers,
- ActualOriginalFileName,
- SuggestedPredefines);
- return false;
-}
-
-//===----------------------------------------------------------------------===//
-// Source Manager Deserialization
-//===----------------------------------------------------------------------===//
-
-/// \brief Read the line table in the source manager block.
-/// \returns true if ther was an error.
-bool PCHReader::ParseLineTable(llvm::SmallVectorImpl<uint64_t> &Record) {
- unsigned Idx = 0;
- LineTableInfo &LineTable = SourceMgr.getLineTable();
-
- // Parse the file names
- std::map<int, int> FileIDs;
- for (int I = 0, N = Record[Idx++]; I != N; ++I) {
- // Extract the file name
- unsigned FilenameLen = Record[Idx++];
- std::string Filename(&Record[Idx], &Record[Idx] + FilenameLen);
- Idx += FilenameLen;
- MaybeAddSystemRootToFilename(Filename);
- FileIDs[I] = LineTable.getLineTableFilenameID(Filename.c_str(),
- Filename.size());
- }
-
- // Parse the line entries
- std::vector<LineEntry> Entries;
- while (Idx < Record.size()) {
- int FID = Record[Idx++];
-
- // Extract the line entries
- unsigned NumEntries = Record[Idx++];
- assert(NumEntries && "Numentries is 00000");
- Entries.clear();
- Entries.reserve(NumEntries);
- for (unsigned I = 0; I != NumEntries; ++I) {
- unsigned FileOffset = Record[Idx++];
- unsigned LineNo = Record[Idx++];
- int FilenameID = FileIDs[Record[Idx++]];
- SrcMgr::CharacteristicKind FileKind
- = (SrcMgr::CharacteristicKind)Record[Idx++];
- unsigned IncludeOffset = Record[Idx++];
- Entries.push_back(LineEntry::get(FileOffset, LineNo, FilenameID,
- FileKind, IncludeOffset));
- }
- LineTable.AddEntry(FID, Entries);
- }
-
- return false;
-}
-
-namespace {
-
-class PCHStatData {
-public:
- const bool hasStat;
- const ino_t ino;
- const dev_t dev;
- const mode_t mode;
- const time_t mtime;
- const off_t size;
-
- PCHStatData(ino_t i, dev_t d, mode_t mo, time_t m, off_t s)
- : hasStat(true), ino(i), dev(d), mode(mo), mtime(m), size(s) {}
-
- PCHStatData()
- : hasStat(false), ino(0), dev(0), mode(0), mtime(0), size(0) {}
-};
-
-class PCHStatLookupTrait {
- public:
- typedef const char *external_key_type;
- typedef const char *internal_key_type;
-
- typedef PCHStatData data_type;
-
- static unsigned ComputeHash(const char *path) {
- return llvm::HashString(path);
- }
-
- static internal_key_type GetInternalKey(const char *path) { return path; }
-
- static bool EqualKey(internal_key_type a, internal_key_type b) {
- return strcmp(a, b) == 0;
- }
-
- static std::pair<unsigned, unsigned>
- ReadKeyDataLength(const unsigned char*& d) {
- unsigned KeyLen = (unsigned) clang::io::ReadUnalignedLE16(d);
- unsigned DataLen = (unsigned) *d++;
- return std::make_pair(KeyLen + 1, DataLen);
- }
-
- static internal_key_type ReadKey(const unsigned char *d, unsigned) {
- return (const char *)d;
- }
-
- static data_type ReadData(const internal_key_type, const unsigned char *d,
- unsigned /*DataLen*/) {
- using namespace clang::io;
-
- if (*d++ == 1)
- return data_type();
-
- ino_t ino = (ino_t) ReadUnalignedLE32(d);
- dev_t dev = (dev_t) ReadUnalignedLE32(d);
- mode_t mode = (mode_t) ReadUnalignedLE16(d);
- time_t mtime = (time_t) ReadUnalignedLE64(d);
- off_t size = (off_t) ReadUnalignedLE64(d);
- return data_type(ino, dev, mode, mtime, size);
- }
-};
-
-/// \brief stat() cache for precompiled headers.
-///
-/// This cache is very similar to the stat cache used by pretokenized
-/// headers.
-class PCHStatCache : public StatSysCallCache {
- typedef OnDiskChainedHashTable<PCHStatLookupTrait> CacheTy;
- CacheTy *Cache;
-
- unsigned &NumStatHits, &NumStatMisses;
-public:
- PCHStatCache(const unsigned char *Buckets,
- const unsigned char *Base,
- unsigned &NumStatHits,
- unsigned &NumStatMisses)
- : Cache(0), NumStatHits(NumStatHits), NumStatMisses(NumStatMisses) {
- Cache = CacheTy::Create(Buckets, Base);
- }
-
- ~PCHStatCache() { delete Cache; }
-
- int stat(const char *path, struct stat *buf) {
- // Do the lookup for the file's data in the PCH file.
- CacheTy::iterator I = Cache->find(path);
-
- // If we don't get a hit in the PCH file just forward to 'stat'.
- if (I == Cache->end()) {
- ++NumStatMisses;
- return StatSysCallCache::stat(path, buf);
- }
-
- ++NumStatHits;
- PCHStatData Data = *I;
-
- if (!Data.hasStat)
- return 1;
-
- buf->st_ino = Data.ino;
- buf->st_dev = Data.dev;
- buf->st_mtime = Data.mtime;
- buf->st_mode = Data.mode;
- buf->st_size = Data.size;
- return 0;
- }
-};
-} // end anonymous namespace
-
-
-/// \brief Read a source manager block
-PCHReader::PCHReadResult PCHReader::ReadSourceManagerBlock(PerFileData &F) {
- using namespace SrcMgr;
-
- llvm::BitstreamCursor &SLocEntryCursor = F.SLocEntryCursor;
-
- // Set the source-location entry cursor to the current position in
- // the stream. This cursor will be used to read the contents of the
- // source manager block initially, and then lazily read
- // source-location entries as needed.
- SLocEntryCursor = F.Stream;
-
- // The stream itself is going to skip over the source manager block.
- if (F.Stream.SkipBlock()) {
- Error("malformed block record in PCH file");
- return Failure;
- }
-
- // Enter the source manager block.
- if (SLocEntryCursor.EnterSubBlock(pch::SOURCE_MANAGER_BLOCK_ID)) {
- Error("malformed source manager block record in PCH file");
- return Failure;
- }
-
- RecordData Record;
- while (true) {
- unsigned Code = SLocEntryCursor.ReadCode();
- if (Code == llvm::bitc::END_BLOCK) {
- if (SLocEntryCursor.ReadBlockEnd()) {
- Error("error at end of Source Manager block in PCH file");
- return Failure;
- }
- return Success;
- }
-
- if (Code == llvm::bitc::ENTER_SUBBLOCK) {
- // No known subblocks, always skip them.
- SLocEntryCursor.ReadSubBlockID();
- if (SLocEntryCursor.SkipBlock()) {
- Error("malformed block record in PCH file");
- return Failure;
- }
- continue;
- }
-
- if (Code == llvm::bitc::DEFINE_ABBREV) {
- SLocEntryCursor.ReadAbbrevRecord();
- continue;
- }
-
- // Read a record.
- const char *BlobStart;
- unsigned BlobLen;
- Record.clear();
- switch (SLocEntryCursor.ReadRecord(Code, Record, &BlobStart, &BlobLen)) {
- default: // Default behavior: ignore.
- break;
-
- case pch::SM_LINE_TABLE:
- if (ParseLineTable(Record))
- return Failure;
- break;
-
- case pch::SM_SLOC_FILE_ENTRY:
- case pch::SM_SLOC_BUFFER_ENTRY:
- case pch::SM_SLOC_INSTANTIATION_ENTRY:
- // Once we hit one of the source location entries, we're done.
- return Success;
- }
- }
-}
-
-/// \brief Get a cursor that's correctly positioned for reading the source
-/// location entry with the given ID.
-llvm::BitstreamCursor &PCHReader::SLocCursorForID(unsigned ID) {
- assert(ID != 0 && ID <= TotalNumSLocEntries &&
- "SLocCursorForID should only be called for real IDs.");
-
- ID -= 1;
- PerFileData *F = 0;
- for (unsigned I = 0, N = Chain.size(); I != N; ++I) {
- F = Chain[N - I - 1];
- if (ID < F->LocalNumSLocEntries)
- break;
- ID -= F->LocalNumSLocEntries;
- }
- assert(F && F->LocalNumSLocEntries > ID && "Chain corrupted");
-
- F->SLocEntryCursor.JumpToBit(F->SLocOffsets[ID]);
- return F->SLocEntryCursor;
-}
-
-/// \brief Read in the source location entry with the given ID.
-PCHReader::PCHReadResult PCHReader::ReadSLocEntryRecord(unsigned ID) {
- if (ID == 0)
- return Success;
-
- if (ID > TotalNumSLocEntries) {
- Error("source location entry ID out-of-range for PCH file");
- return Failure;
- }
-
- llvm::BitstreamCursor &SLocEntryCursor = SLocCursorForID(ID);
-
- ++NumSLocEntriesRead;
- unsigned Code = SLocEntryCursor.ReadCode();
- if (Code == llvm::bitc::END_BLOCK ||
- Code == llvm::bitc::ENTER_SUBBLOCK ||
- Code == llvm::bitc::DEFINE_ABBREV) {
- Error("incorrectly-formatted source location entry in PCH file");
- return Failure;
- }
-
- RecordData Record;
- const char *BlobStart;
- unsigned BlobLen;
- switch (SLocEntryCursor.ReadRecord(Code, Record, &BlobStart, &BlobLen)) {
- default:
- Error("incorrectly-formatted source location entry in PCH file");
- return Failure;
-
- case pch::SM_SLOC_FILE_ENTRY: {
- std::string Filename(BlobStart, BlobStart + BlobLen);
- MaybeAddSystemRootToFilename(Filename);
- const FileEntry *File = FileMgr.getFile(Filename);
- if (File == 0) {
- std::string ErrorStr = "could not find file '";
- ErrorStr += Filename;
- ErrorStr += "' referenced by PCH file";
- Error(ErrorStr.c_str());
- return Failure;
- }
-
- if (Record.size() < 10) {
- Error("source location entry is incorrect");
- return Failure;
- }
-
- if (!DisableValidation &&
- ((off_t)Record[4] != File->getSize()
-#if !defined(LLVM_ON_WIN32)
- // In our regression testing, the Windows file system seems to
- // have inconsistent modification times that sometimes
- // erroneously trigger this error-handling path.
- || (time_t)Record[5] != File->getModificationTime()
-#endif
- )) {
- Diag(diag::err_fe_pch_file_modified)
- << Filename;
- return Failure;
- }
-
- FileID FID = SourceMgr.createFileID(File,
- SourceLocation::getFromRawEncoding(Record[1]),
- (SrcMgr::CharacteristicKind)Record[2],
- ID, Record[0]);
- if (Record[3])
- const_cast<SrcMgr::FileInfo&>(SourceMgr.getSLocEntry(FID).getFile())
- .setHasLineDirectives();
-
- // Reconstruct header-search information for this file.
- HeaderFileInfo HFI;
- HFI.isImport = Record[6];
- HFI.DirInfo = Record[7];
- HFI.NumIncludes = Record[8];
- HFI.ControllingMacroID = Record[9];
- if (Listener)
- Listener->ReadHeaderFileInfo(HFI, File->getUID());
- break;
- }
-
- case pch::SM_SLOC_BUFFER_ENTRY: {
- const char *Name = BlobStart;
- unsigned Offset = Record[0];
- unsigned Code = SLocEntryCursor.ReadCode();
- Record.clear();
- unsigned RecCode
- = SLocEntryCursor.ReadRecord(Code, Record, &BlobStart, &BlobLen);
-
- if (RecCode != pch::SM_SLOC_BUFFER_BLOB) {
- Error("PCH record has invalid code");
- return Failure;
- }
-
- llvm::MemoryBuffer *Buffer
- = llvm::MemoryBuffer::getMemBuffer(llvm::StringRef(BlobStart, BlobLen - 1),
- Name);
- FileID BufferID = SourceMgr.createFileIDForMemBuffer(Buffer, ID, Offset);
-
- if (strcmp(Name, "<built-in>") == 0) {
- PCHPredefinesBlock Block = {
- BufferID,
- llvm::StringRef(BlobStart, BlobLen - 1)
- };
- PCHPredefinesBuffers.push_back(Block);
- }
-
- break;
- }
-
- case pch::SM_SLOC_INSTANTIATION_ENTRY: {
- SourceLocation SpellingLoc
- = SourceLocation::getFromRawEncoding(Record[1]);
- SourceMgr.createInstantiationLoc(SpellingLoc,
- SourceLocation::getFromRawEncoding(Record[2]),
- SourceLocation::getFromRawEncoding(Record[3]),
- Record[4],
- ID,
- Record[0]);
- break;
- }
- }
-
- return Success;
-}
-
-/// ReadBlockAbbrevs - Enter a subblock of the specified BlockID with the
-/// specified cursor. Read the abbreviations that are at the top of the block
-/// and then leave the cursor pointing into the block.
-bool PCHReader::ReadBlockAbbrevs(llvm::BitstreamCursor &Cursor,
- unsigned BlockID) {
- if (Cursor.EnterSubBlock(BlockID)) {
- Error("malformed block record in PCH file");
- return Failure;
- }
-
- while (true) {
- unsigned Code = Cursor.ReadCode();
-
- // We expect all abbrevs to be at the start of the block.
- if (Code != llvm::bitc::DEFINE_ABBREV)
- return false;
- Cursor.ReadAbbrevRecord();
- }
-}
-
-void PCHReader::ReadMacroRecord(llvm::BitstreamCursor &Stream, uint64_t Offset){
- assert(PP && "Forgot to set Preprocessor ?");
-
- // Keep track of where we are in the stream, then jump back there
- // after reading this macro.
- SavedStreamPosition SavedPosition(Stream);
-
- Stream.JumpToBit(Offset);
- RecordData Record;
- llvm::SmallVector<IdentifierInfo*, 16> MacroArgs;
- MacroInfo *Macro = 0;
-
- while (true) {
- unsigned Code = Stream.ReadCode();
- switch (Code) {
- case llvm::bitc::END_BLOCK:
- return;
-
- case llvm::bitc::ENTER_SUBBLOCK:
- // No known subblocks, always skip them.
- Stream.ReadSubBlockID();
- if (Stream.SkipBlock()) {
- Error("malformed block record in PCH file");
- return;
- }
- continue;
-
- case llvm::bitc::DEFINE_ABBREV:
- Stream.ReadAbbrevRecord();
- continue;
- default: break;
- }
-
- // Read a record.
- Record.clear();
- pch::PreprocessorRecordTypes RecType =
- (pch::PreprocessorRecordTypes)Stream.ReadRecord(Code, Record);
- switch (RecType) {
- case pch::PP_MACRO_OBJECT_LIKE:
- case pch::PP_MACRO_FUNCTION_LIKE: {
- // If we already have a macro, that means that we've hit the end
- // of the definition of the macro we were looking for. We're
- // done.
- if (Macro)
- return;
-
- IdentifierInfo *II = DecodeIdentifierInfo(Record[0]);
- if (II == 0) {
- Error("macro must have a name in PCH file");
- return;
- }
- SourceLocation Loc = SourceLocation::getFromRawEncoding(Record[1]);
- bool isUsed = Record[2];
-
- MacroInfo *MI = PP->AllocateMacroInfo(Loc);
- MI->setIsUsed(isUsed);
- MI->setIsFromPCH();
-
- unsigned NextIndex = 3;
- if (RecType == pch::PP_MACRO_FUNCTION_LIKE) {
- // Decode function-like macro info.
- bool isC99VarArgs = Record[3];
- bool isGNUVarArgs = Record[4];
- MacroArgs.clear();
- unsigned NumArgs = Record[5];
- NextIndex = 6 + NumArgs;
- for (unsigned i = 0; i != NumArgs; ++i)
- MacroArgs.push_back(DecodeIdentifierInfo(Record[6+i]));
-
- // Install function-like macro info.
- MI->setIsFunctionLike();
- if (isC99VarArgs) MI->setIsC99Varargs();
- if (isGNUVarArgs) MI->setIsGNUVarargs();
- MI->setArgumentList(MacroArgs.data(), MacroArgs.size(),
- PP->getPreprocessorAllocator());
- }
-
- // Finally, install the macro.
- PP->setMacroInfo(II, MI);
-
- // Remember that we saw this macro last so that we add the tokens that
- // form its body to it.
- Macro = MI;
-
- if (NextIndex + 1 == Record.size() && PP->getPreprocessingRecord()) {
- // We have a macro definition. Load it now.
- PP->getPreprocessingRecord()->RegisterMacroDefinition(Macro,
- getMacroDefinition(Record[NextIndex]));
- }
-
- ++NumMacrosRead;
- break;
- }
-
- case pch::PP_TOKEN: {
- // If we see a TOKEN before a PP_MACRO_*, then the file is
- // erroneous, just pretend we didn't see this.
- if (Macro == 0) break;
-
- Token Tok;
- Tok.startToken();
- Tok.setLocation(SourceLocation::getFromRawEncoding(Record[0]));
- Tok.setLength(Record[1]);
- if (IdentifierInfo *II = DecodeIdentifierInfo(Record[2]))
- Tok.setIdentifierInfo(II);
- Tok.setKind((tok::TokenKind)Record[3]);
- Tok.setFlag((Token::TokenFlags)Record[4]);
- Macro->AddTokenToBody(Tok);
- break;
- }
-
- case pch::PP_MACRO_INSTANTIATION: {
- // If we already have a macro, that means that we've hit the end
- // of the definition of the macro we were looking for. We're
- // done.
- if (Macro)
- return;
-
- if (!PP->getPreprocessingRecord()) {
- Error("missing preprocessing record in PCH file");
- return;
- }
-
- PreprocessingRecord &PPRec = *PP->getPreprocessingRecord();
- if (PPRec.getPreprocessedEntity(Record[0]))
- return;
-
- MacroInstantiation *MI
- = new (PPRec) MacroInstantiation(DecodeIdentifierInfo(Record[3]),
- SourceRange(
- SourceLocation::getFromRawEncoding(Record[1]),
- SourceLocation::getFromRawEncoding(Record[2])),
- getMacroDefinition(Record[4]));
- PPRec.SetPreallocatedEntity(Record[0], MI);
- return;
- }
-
- case pch::PP_MACRO_DEFINITION: {
- // If we already have a macro, that means that we've hit the end
- // of the definition of the macro we were looking for. We're
- // done.
- if (Macro)
- return;
-
- if (!PP->getPreprocessingRecord()) {
- Error("missing preprocessing record in PCH file");
- return;
- }
-
- PreprocessingRecord &PPRec = *PP->getPreprocessingRecord();
- if (PPRec.getPreprocessedEntity(Record[0]))
- return;
-
- if (Record[1] >= MacroDefinitionsLoaded.size()) {
- Error("out-of-bounds macro definition record");
- return;
- }
-
- MacroDefinition *MD
- = new (PPRec) MacroDefinition(DecodeIdentifierInfo(Record[4]),
- SourceLocation::getFromRawEncoding(Record[5]),
- SourceRange(
- SourceLocation::getFromRawEncoding(Record[2]),
- SourceLocation::getFromRawEncoding(Record[3])));
- PPRec.SetPreallocatedEntity(Record[0], MD);
- MacroDefinitionsLoaded[Record[1]] = MD;
- return;
- }
- }
- }
-}
-
-void PCHReader::ReadDefinedMacros() {
- for (unsigned I = 0, N = Chain.size(); I != N; ++I) {
- llvm::BitstreamCursor &MacroCursor = Chain[N - I - 1]->MacroCursor;
-
- // If there was no preprocessor block, skip this file.
- if (!MacroCursor.getBitStreamReader())
- continue;
-
- llvm::BitstreamCursor Cursor = MacroCursor;
- if (Cursor.EnterSubBlock(pch::PREPROCESSOR_BLOCK_ID)) {
- Error("malformed preprocessor block record in PCH file");
- return;
- }
-
- RecordData Record;
- while (true) {
- unsigned Code = Cursor.ReadCode();
- if (Code == llvm::bitc::END_BLOCK) {
- if (Cursor.ReadBlockEnd()) {
- Error("error at end of preprocessor block in PCH file");
- return;
- }
- break;
- }
-
- if (Code == llvm::bitc::ENTER_SUBBLOCK) {
- // No known subblocks, always skip them.
- Cursor.ReadSubBlockID();
- if (Cursor.SkipBlock()) {
- Error("malformed block record in PCH file");
- return;
- }
- continue;
- }
-
- if (Code == llvm::bitc::DEFINE_ABBREV) {
- Cursor.ReadAbbrevRecord();
- continue;
- }
-
- // Read a record.
- const char *BlobStart;
- unsigned BlobLen;
- Record.clear();
- switch (Cursor.ReadRecord(Code, Record, &BlobStart, &BlobLen)) {
- default: // Default behavior: ignore.
- break;
-
- case pch::PP_MACRO_OBJECT_LIKE:
- case pch::PP_MACRO_FUNCTION_LIKE:
- DecodeIdentifierInfo(Record[0]);
- break;
-
- case pch::PP_TOKEN:
- // Ignore tokens.
- break;
-
- case pch::PP_MACRO_INSTANTIATION:
- case pch::PP_MACRO_DEFINITION:
- // Read the macro record.
- ReadMacroRecord(Chain[N - I - 1]->Stream, Cursor.GetCurrentBitNo());
- break;
- }
- }
- }
-}
-
-MacroDefinition *PCHReader::getMacroDefinition(pch::IdentID ID) {
- if (ID == 0 || ID >= MacroDefinitionsLoaded.size())
- return 0;
-
- if (!MacroDefinitionsLoaded[ID]) {
- unsigned Index = ID;
- for (unsigned I = 0, N = Chain.size(); I != N; ++I) {
- PerFileData &F = *Chain[N - I - 1];
- if (Index < F.LocalNumMacroDefinitions) {
- ReadMacroRecord(F.Stream, F.MacroDefinitionOffsets[Index]);
- break;
- }
- Index -= F.LocalNumMacroDefinitions;
- }
- assert(MacroDefinitionsLoaded[ID] && "Broken chain");
- }
-
- return MacroDefinitionsLoaded[ID];
-}
-
-/// \brief If we are loading a relocatable PCH file, and the filename is
-/// not an absolute path, add the system root to the beginning of the file
-/// name.
-void PCHReader::MaybeAddSystemRootToFilename(std::string &Filename) {
- // If this is not a relocatable PCH file, there's nothing to do.
- if (!RelocatablePCH)
- return;
-
- if (Filename.empty() || llvm::sys::Path(Filename).isAbsolute())
- return;
-
- if (isysroot == 0) {
- // If no system root was given, default to '/'
- Filename.insert(Filename.begin(), '/');
- return;
- }
-
- unsigned Length = strlen(isysroot);
- if (isysroot[Length - 1] != '/')
- Filename.insert(Filename.begin(), '/');
-
- Filename.insert(Filename.begin(), isysroot, isysroot + Length);
-}
-
-PCHReader::PCHReadResult
-PCHReader::ReadPCHBlock(PerFileData &F) {
- llvm::BitstreamCursor &Stream = F.Stream;
-
- if (Stream.EnterSubBlock(pch::PCH_BLOCK_ID)) {
- Error("malformed block record in PCH file");
- return Failure;
- }
-
- // Read all of the records and blocks for the PCH file.
- RecordData Record;
- bool First = true;
- while (!Stream.AtEndOfStream()) {
- unsigned Code = Stream.ReadCode();
- if (Code == llvm::bitc::END_BLOCK) {
- if (Stream.ReadBlockEnd()) {
- Error("error at end of module block in PCH file");
- return Failure;
- }
-
- return Success;
- }
-
- if (Code == llvm::bitc::ENTER_SUBBLOCK) {
- switch (Stream.ReadSubBlockID()) {
- case pch::DECLTYPES_BLOCK_ID:
- // We lazily load the decls block, but we want to set up the
- // DeclsCursor cursor to point into it. Clone our current bitcode
- // cursor to it, enter the block and read the abbrevs in that block.
- // With the main cursor, we just skip over it.
- F.DeclsCursor = Stream;
- if (Stream.SkipBlock() || // Skip with the main cursor.
- // Read the abbrevs.
- ReadBlockAbbrevs(F.DeclsCursor, pch::DECLTYPES_BLOCK_ID)) {
- Error("malformed block record in PCH file");
- return Failure;
- }
- break;
-
- case pch::PREPROCESSOR_BLOCK_ID:
- F.MacroCursor = Stream;
- if (PP)
- PP->setExternalSource(this);
-
- if (Stream.SkipBlock()) {
- Error("malformed block record in PCH file");
- return Failure;
- }
- break;
-
- case pch::SOURCE_MANAGER_BLOCK_ID:
- switch (ReadSourceManagerBlock(F)) {
- case Success:
- break;
-
- case Failure:
- Error("malformed source manager block in PCH file");
- return Failure;
-
- case IgnorePCH:
- return IgnorePCH;
- }
- break;
- }
- First = false;
- continue;
- }
-
- if (Code == llvm::bitc::DEFINE_ABBREV) {
- Stream.ReadAbbrevRecord();
- continue;
- }
-
- // Read and process a record.
- Record.clear();
- const char *BlobStart = 0;
- unsigned BlobLen = 0;
- switch ((pch::PCHRecordTypes)Stream.ReadRecord(Code, Record,
- &BlobStart, &BlobLen)) {
- default: // Default behavior: ignore.
- break;
-
- case pch::METADATA: {
- if (Record[0] != pch::VERSION_MAJOR && !DisableValidation) {
- Diag(Record[0] < pch::VERSION_MAJOR? diag::warn_pch_version_too_old
- : diag::warn_pch_version_too_new);
- return IgnorePCH;
- }
-
- RelocatablePCH = Record[4];
- if (Listener) {
- std::string TargetTriple(BlobStart, BlobLen);
- if (Listener->ReadTargetTriple(TargetTriple))
- return IgnorePCH;
- }
- break;
- }
-
- case pch::CHAINED_METADATA: {
- if (!First) {
- Error("CHAINED_METADATA is not first record in block");
- return Failure;
- }
- if (Record[0] != pch::VERSION_MAJOR && !DisableValidation) {
- Diag(Record[0] < pch::VERSION_MAJOR? diag::warn_pch_version_too_old
- : diag::warn_pch_version_too_new);
- return IgnorePCH;
- }
-
- // Load the chained file.
- switch(ReadPCHCore(llvm::StringRef(BlobStart, BlobLen))) {
- case Failure: return Failure;
- // If we have to ignore the dependency, we'll have to ignore this too.
- case IgnorePCH: return IgnorePCH;
- case Success: break;
- }
- break;
- }
-
- case pch::TYPE_OFFSET:
- if (F.LocalNumTypes != 0) {
- Error("duplicate TYPE_OFFSET record in PCH file");
- return Failure;
- }
- F.TypeOffsets = (const uint32_t *)BlobStart;
- F.LocalNumTypes = Record[0];
- break;
-
- case pch::DECL_OFFSET:
- if (F.LocalNumDecls != 0) {
- Error("duplicate DECL_OFFSET record in PCH file");
- return Failure;
- }
- F.DeclOffsets = (const uint32_t *)BlobStart;
- F.LocalNumDecls = Record[0];
- break;
-
- case pch::TU_UPDATE_LEXICAL: {
- DeclContextInfo Info = {
- /* No visible information */ 0, 0,
- reinterpret_cast<const pch::DeclID *>(BlobStart),
- BlobLen / sizeof(pch::DeclID)
- };
- DeclContextOffsets[Context->getTranslationUnitDecl()].push_back(Info);
- break;
- }
-
- case pch::REDECLS_UPDATE_LATEST: {
- assert(Record.size() % 2 == 0 && "Expected pairs of DeclIDs");
- for (unsigned i = 0, e = Record.size(); i < e; i += 2) {
- pch::DeclID First = Record[i], Latest = Record[i+1];
- assert((FirstLatestDeclIDs.find(First) == FirstLatestDeclIDs.end() ||
- Latest > FirstLatestDeclIDs[First]) &&
- "The new latest is supposed to come after the previous latest");
- FirstLatestDeclIDs[First] = Latest;
- }
- break;
- }
-
- case pch::LANGUAGE_OPTIONS:
- if (ParseLanguageOptions(Record) && !DisableValidation)
- return IgnorePCH;
- break;
-
- case pch::IDENTIFIER_TABLE:
- F.IdentifierTableData = BlobStart;
- if (Record[0]) {
- F.IdentifierLookupTable
- = PCHIdentifierLookupTable::Create(
- (const unsigned char *)F.IdentifierTableData + Record[0],
- (const unsigned char *)F.IdentifierTableData,
- PCHIdentifierLookupTrait(*this, F.Stream));
- if (PP)
- PP->getIdentifierTable().setExternalIdentifierLookup(this);
- }
- break;
-
- case pch::IDENTIFIER_OFFSET:
- if (F.LocalNumIdentifiers != 0) {
- Error("duplicate IDENTIFIER_OFFSET record in PCH file");
- return Failure;
- }
- F.IdentifierOffsets = (const uint32_t *)BlobStart;
- F.LocalNumIdentifiers = Record[0];
- break;
-
- case pch::EXTERNAL_DEFINITIONS:
- // Optimization for the first block.
- if (ExternalDefinitions.empty())
- ExternalDefinitions.swap(Record);
- else
- ExternalDefinitions.insert(ExternalDefinitions.end(),
- Record.begin(), Record.end());
- break;
-
- case pch::SPECIAL_TYPES:
- // Optimization for the first block
- if (SpecialTypes.empty())
- SpecialTypes.swap(Record);
- else
- SpecialTypes.insert(SpecialTypes.end(), Record.begin(), Record.end());
- break;
-
- case pch::STATISTICS:
- TotalNumStatements += Record[0];
- TotalNumMacros += Record[1];
- TotalLexicalDeclContexts += Record[2];
- TotalVisibleDeclContexts += Record[3];
- break;
-
- case pch::TENTATIVE_DEFINITIONS:
- // Optimization for the first block.
- if (TentativeDefinitions.empty())
- TentativeDefinitions.swap(Record);
- else
- TentativeDefinitions.insert(TentativeDefinitions.end(),
- Record.begin(), Record.end());
- break;
-
- case pch::UNUSED_FILESCOPED_DECLS:
- // Optimization for the first block.
- if (UnusedFileScopedDecls.empty())
- UnusedFileScopedDecls.swap(Record);
- else
- UnusedFileScopedDecls.insert(UnusedFileScopedDecls.end(),
- Record.begin(), Record.end());
- break;
-
- case pch::WEAK_UNDECLARED_IDENTIFIERS:
- // Later blocks overwrite earlier ones.
- WeakUndeclaredIdentifiers.swap(Record);
- break;
-
- case pch::LOCALLY_SCOPED_EXTERNAL_DECLS:
- // Optimization for the first block.
- if (LocallyScopedExternalDecls.empty())
- LocallyScopedExternalDecls.swap(Record);
- else
- LocallyScopedExternalDecls.insert(LocallyScopedExternalDecls.end(),
- Record.begin(), Record.end());
- break;
-
- case pch::SELECTOR_OFFSETS:
- F.SelectorOffsets = (const uint32_t *)BlobStart;
- F.LocalNumSelectors = Record[0];
- break;
-
- case pch::METHOD_POOL:
- F.SelectorLookupTableData = (const unsigned char *)BlobStart;
- if (Record[0])
- F.SelectorLookupTable
- = PCHSelectorLookupTable::Create(
- F.SelectorLookupTableData + Record[0],
- F.SelectorLookupTableData,
- PCHSelectorLookupTrait(*this));
- TotalNumMethodPoolEntries += Record[1];
- break;
-
- case pch::REFERENCED_SELECTOR_POOL: {
- ReferencedSelectorsData.insert(ReferencedSelectorsData.end(),
- Record.begin(), Record.end());
- break;
- }
-
- case pch::PP_COUNTER_VALUE:
- if (!Record.empty() && Listener)
- Listener->ReadCounter(Record[0]);
- break;
-
- case pch::SOURCE_LOCATION_OFFSETS:
- F.SLocOffsets = (const uint32_t *)BlobStart;
- F.LocalNumSLocEntries = Record[0];
- // We cannot delay this until all PCHs are loaded, because then source
- // location preloads would also have to be delayed.
- TotalNumSLocEntries += F.LocalNumSLocEntries;
- SourceMgr.PreallocateSLocEntries(this, TotalNumSLocEntries, Record[1]);
- break;
-
- case pch::SOURCE_LOCATION_PRELOADS:
- for (unsigned I = 0, N = Record.size(); I != N; ++I) {
- PCHReadResult Result = ReadSLocEntryRecord(Record[I]);
- if (Result != Success)
- return Result;
- }
- break;
-
- case pch::STAT_CACHE: {
- PCHStatCache *MyStatCache =
- new PCHStatCache((const unsigned char *)BlobStart + Record[0],
- (const unsigned char *)BlobStart,
- NumStatHits, NumStatMisses);
- FileMgr.addStatCache(MyStatCache);
- F.StatCache = MyStatCache;
- break;
- }
-
- case pch::EXT_VECTOR_DECLS:
- // Optimization for the first block.
- if (ExtVectorDecls.empty())
- ExtVectorDecls.swap(Record);
- else
- ExtVectorDecls.insert(ExtVectorDecls.end(),
- Record.begin(), Record.end());
- break;
-
- case pch::VTABLE_USES:
- // Later tables overwrite earlier ones.
- VTableUses.swap(Record);
- break;
-
- case pch::DYNAMIC_CLASSES:
- // Optimization for the first block.
- if (DynamicClasses.empty())
- DynamicClasses.swap(Record);
- else
- DynamicClasses.insert(DynamicClasses.end(),
- Record.begin(), Record.end());
- break;
-
- case pch::PENDING_IMPLICIT_INSTANTIATIONS:
- // Optimization for the first block.
- if (PendingImplicitInstantiations.empty())
- PendingImplicitInstantiations.swap(Record);
- else
- PendingImplicitInstantiations.insert(
- PendingImplicitInstantiations.end(), Record.begin(), Record.end());
- break;
-
- case pch::SEMA_DECL_REFS:
- // Later tables overwrite earlier ones.
- SemaDeclRefs.swap(Record);
- break;
-
- case pch::ORIGINAL_FILE_NAME:
- // The primary PCH will be the last to get here, so it will be the one
- // that's used.
- ActualOriginalFileName.assign(BlobStart, BlobLen);
- OriginalFileName = ActualOriginalFileName;
- MaybeAddSystemRootToFilename(OriginalFileName);
- break;
-
- case pch::VERSION_CONTROL_BRANCH_REVISION: {
- const std::string &CurBranch = getClangFullRepositoryVersion();
- llvm::StringRef PCHBranch(BlobStart, BlobLen);
- if (llvm::StringRef(CurBranch) != PCHBranch && !DisableValidation) {
- Diag(diag::warn_pch_different_branch) << PCHBranch << CurBranch;
- return IgnorePCH;
- }
- break;
- }
-
- case pch::MACRO_DEFINITION_OFFSETS:
- F.MacroDefinitionOffsets = (const uint32_t *)BlobStart;
- F.NumPreallocatedPreprocessingEntities = Record[0];
- F.LocalNumMacroDefinitions = Record[1];
- break;
-
- case pch::DECL_REPLACEMENTS: {
- if (Record.size() % 2 != 0) {
- Error("invalid DECL_REPLACEMENTS block in PCH file");
- return Failure;
- }
- for (unsigned I = 0, N = Record.size(); I != N; I += 2)
- ReplacedDecls[static_cast<pch::DeclID>(Record[I])] =
- std::make_pair(&F, Record[I+1]);
- break;
- }
- }
- First = false;
- }
- Error("premature end of bitstream in PCH file");
- return Failure;
-}
-
-PCHReader::PCHReadResult PCHReader::ReadPCH(const std::string &FileName) {
- switch(ReadPCHCore(FileName)) {
- case Failure: return Failure;
- case IgnorePCH: return IgnorePCH;
- case Success: break;
- }
-
- // Here comes stuff that we only do once the entire chain is loaded.
-
- // Allocate space for loaded identifiers, decls and types.
- unsigned TotalNumIdentifiers = 0, TotalNumTypes = 0, TotalNumDecls = 0,
- TotalNumPreallocatedPreprocessingEntities = 0, TotalNumMacroDefs = 0,
- TotalNumSelectors = 0;
- for (unsigned I = 0, N = Chain.size(); I != N; ++I) {
- TotalNumIdentifiers += Chain[I]->LocalNumIdentifiers;
- TotalNumTypes += Chain[I]->LocalNumTypes;
- TotalNumDecls += Chain[I]->LocalNumDecls;
- TotalNumPreallocatedPreprocessingEntities +=
- Chain[I]->NumPreallocatedPreprocessingEntities;
- TotalNumMacroDefs += Chain[I]->LocalNumMacroDefinitions;
- TotalNumSelectors += Chain[I]->LocalNumSelectors;
- }
- IdentifiersLoaded.resize(TotalNumIdentifiers);
- TypesLoaded.resize(TotalNumTypes);
- DeclsLoaded.resize(TotalNumDecls);
- MacroDefinitionsLoaded.resize(TotalNumMacroDefs);
- if (PP) {
- if (TotalNumIdentifiers > 0)
- PP->getHeaderSearchInfo().SetExternalLookup(this);
- if (TotalNumPreallocatedPreprocessingEntities > 0) {
- if (!PP->getPreprocessingRecord())
- PP->createPreprocessingRecord();
- PP->getPreprocessingRecord()->SetExternalSource(*this,
- TotalNumPreallocatedPreprocessingEntities);
- }
- }
- SelectorsLoaded.resize(TotalNumSelectors);
-
- // Check the predefines buffers.
- if (!DisableValidation && CheckPredefinesBuffers())
- return IgnorePCH;
-
- if (PP) {
- // Initialization of keywords and pragmas occurs before the
- // PCH file is read, so there may be some identifiers that were
- // loaded into the IdentifierTable before we intercepted the
- // creation of identifiers. Iterate through the list of known
- // identifiers and determine whether we have to establish
- // preprocessor definitions or top-level identifier declaration
- // chains for those identifiers.
- //
- // We copy the IdentifierInfo pointers to a small vector first,
- // since de-serializing declarations or macro definitions can add
- // new entries into the identifier table, invalidating the
- // iterators.
- llvm::SmallVector<IdentifierInfo *, 128> Identifiers;
- for (IdentifierTable::iterator Id = PP->getIdentifierTable().begin(),
- IdEnd = PP->getIdentifierTable().end();
- Id != IdEnd; ++Id)
- Identifiers.push_back(Id->second);
- // We need to search the tables in all files.
- for (unsigned J = 0, M = Chain.size(); J != M; ++J) {
- PCHIdentifierLookupTable *IdTable
- = (PCHIdentifierLookupTable *)Chain[J]->IdentifierLookupTable;
- // Not all PCH files necessarily have identifier tables, only the useful
- // ones.
- if (!IdTable)
- continue;
- for (unsigned I = 0, N = Identifiers.size(); I != N; ++I) {
- IdentifierInfo *II = Identifiers[I];
- // Look in the on-disk hash tables for an entry for this identifier
- PCHIdentifierLookupTrait Info(*this, Chain[J]->Stream, II);
- std::pair<const char*,unsigned> Key(II->getNameStart(),II->getLength());
- PCHIdentifierLookupTable::iterator Pos = IdTable->find(Key, &Info);
- if (Pos == IdTable->end())
- continue;
-
- // Dereferencing the iterator has the effect of populating the
- // IdentifierInfo node with the various declarations it needs.
- (void)*Pos;
- }
- }
- }
-
- if (Context)
- InitializeContext(*Context);
-
- return Success;
-}
-
-PCHReader::PCHReadResult PCHReader::ReadPCHCore(llvm::StringRef FileName) {
- Chain.push_back(new PerFileData());
- PerFileData &F = *Chain.back();
-
- // Set the PCH file name.
- F.FileName = FileName;
-
- // Open the PCH file.
- //
- // FIXME: This shouldn't be here, we should just take a raw_ostream.
- std::string ErrStr;
- F.Buffer.reset(llvm::MemoryBuffer::getFileOrSTDIN(FileName, &ErrStr));
- if (!F.Buffer) {
- Error(ErrStr.c_str());
- return IgnorePCH;
- }
-
- // Initialize the stream
- F.StreamFile.init((const unsigned char *)F.Buffer->getBufferStart(),
- (const unsigned char *)F.Buffer->getBufferEnd());
- llvm::BitstreamCursor &Stream = F.Stream;
- Stream.init(F.StreamFile);
- F.SizeInBits = F.Buffer->getBufferSize() * 8;
-
- // Sniff for the signature.
- if (Stream.Read(8) != 'C' ||
- Stream.Read(8) != 'P' ||
- Stream.Read(8) != 'C' ||
- Stream.Read(8) != 'H') {
- Diag(diag::err_not_a_pch_file) << FileName;
- return Failure;
- }
-
- while (!Stream.AtEndOfStream()) {
- unsigned Code = Stream.ReadCode();
-
- if (Code != llvm::bitc::ENTER_SUBBLOCK) {
- Error("invalid record at top-level of PCH file");
- return Failure;
- }
-
- unsigned BlockID = Stream.ReadSubBlockID();
-
- // We only know the PCH subblock ID.
- switch (BlockID) {
- case llvm::bitc::BLOCKINFO_BLOCK_ID:
- if (Stream.ReadBlockInfoBlock()) {
- Error("malformed BlockInfoBlock in PCH file");
- return Failure;
- }
- break;
- case pch::PCH_BLOCK_ID:
- switch (ReadPCHBlock(F)) {
- case Success:
- break;
-
- case Failure:
- return Failure;
-
- case IgnorePCH:
- // FIXME: We could consider reading through to the end of this
- // PCH block, skipping subblocks, to see if there are other
- // PCH blocks elsewhere.
-
- // Clear out any preallocated source location entries, so that
- // the source manager does not try to resolve them later.
- SourceMgr.ClearPreallocatedSLocEntries();
-
- // Remove the stat cache.
- if (F.StatCache)
- FileMgr.removeStatCache((PCHStatCache*)F.StatCache);
-
- return IgnorePCH;
- }
- break;
- default:
- if (Stream.SkipBlock()) {
- Error("malformed block record in PCH file");
- return Failure;
- }
- break;
- }
- }
-
- return Success;
-}
-
-void PCHReader::setPreprocessor(Preprocessor &pp) {
- PP = &pp;
-
- unsigned TotalNum = 0;
- for (unsigned I = 0, N = Chain.size(); I != N; ++I)
- TotalNum += Chain[I]->NumPreallocatedPreprocessingEntities;
- if (TotalNum) {
- if (!PP->getPreprocessingRecord())
- PP->createPreprocessingRecord();
- PP->getPreprocessingRecord()->SetExternalSource(*this, TotalNum);
- }
-}
-
-void PCHReader::InitializeContext(ASTContext &Ctx) {
- Context = &Ctx;
- assert(Context && "Passed null context!");
-
- assert(PP && "Forgot to set Preprocessor ?");
- PP->getIdentifierTable().setExternalIdentifierLookup(this);
- PP->getHeaderSearchInfo().SetExternalLookup(this);
- PP->setExternalSource(this);
-
- // Load the translation unit declaration
- GetTranslationUnitDecl();
-
- // Load the special types.
- Context->setBuiltinVaListType(
- GetType(SpecialTypes[pch::SPECIAL_TYPE_BUILTIN_VA_LIST]));
- if (unsigned Id = SpecialTypes[pch::SPECIAL_TYPE_OBJC_ID])
- Context->setObjCIdType(GetType(Id));
- if (unsigned Sel = SpecialTypes[pch::SPECIAL_TYPE_OBJC_SELECTOR])
- Context->setObjCSelType(GetType(Sel));
- if (unsigned Proto = SpecialTypes[pch::SPECIAL_TYPE_OBJC_PROTOCOL])
- Context->setObjCProtoType(GetType(Proto));
- if (unsigned Class = SpecialTypes[pch::SPECIAL_TYPE_OBJC_CLASS])
- Context->setObjCClassType(GetType(Class));
-
- if (unsigned String = SpecialTypes[pch::SPECIAL_TYPE_CF_CONSTANT_STRING])
- Context->setCFConstantStringType(GetType(String));
- if (unsigned FastEnum
- = SpecialTypes[pch::SPECIAL_TYPE_OBJC_FAST_ENUMERATION_STATE])
- Context->setObjCFastEnumerationStateType(GetType(FastEnum));
- if (unsigned File = SpecialTypes[pch::SPECIAL_TYPE_FILE]) {
- QualType FileType = GetType(File);
- if (FileType.isNull()) {
- Error("FILE type is NULL");
- return;
- }
- if (const TypedefType *Typedef = FileType->getAs<TypedefType>())
- Context->setFILEDecl(Typedef->getDecl());
- else {
- const TagType *Tag = FileType->getAs<TagType>();
- if (!Tag) {
- Error("Invalid FILE type in PCH file");
- return;
- }
- Context->setFILEDecl(Tag->getDecl());
- }
- }
- if (unsigned Jmp_buf = SpecialTypes[pch::SPECIAL_TYPE_jmp_buf]) {
- QualType Jmp_bufType = GetType(Jmp_buf);
- if (Jmp_bufType.isNull()) {
- Error("jmp_bug type is NULL");
- return;
- }
- if (const TypedefType *Typedef = Jmp_bufType->getAs<TypedefType>())
- Context->setjmp_bufDecl(Typedef->getDecl());
- else {
- const TagType *Tag = Jmp_bufType->getAs<TagType>();
- if (!Tag) {
- Error("Invalid jmp_bug type in PCH file");
- return;
- }
- Context->setjmp_bufDecl(Tag->getDecl());
- }
- }
- if (unsigned Sigjmp_buf = SpecialTypes[pch::SPECIAL_TYPE_sigjmp_buf]) {
- QualType Sigjmp_bufType = GetType(Sigjmp_buf);
- if (Sigjmp_bufType.isNull()) {
- Error("sigjmp_buf type is NULL");
- return;
- }
- if (const TypedefType *Typedef = Sigjmp_bufType->getAs<TypedefType>())
- Context->setsigjmp_bufDecl(Typedef->getDecl());
- else {
- const TagType *Tag = Sigjmp_bufType->getAs<TagType>();
- assert(Tag && "Invalid sigjmp_buf type in PCH file");
- Context->setsigjmp_bufDecl(Tag->getDecl());
- }
- }
- if (unsigned ObjCIdRedef
- = SpecialTypes[pch::SPECIAL_TYPE_OBJC_ID_REDEFINITION])
- Context->ObjCIdRedefinitionType = GetType(ObjCIdRedef);
- if (unsigned ObjCClassRedef
- = SpecialTypes[pch::SPECIAL_TYPE_OBJC_CLASS_REDEFINITION])
- Context->ObjCClassRedefinitionType = GetType(ObjCClassRedef);
- if (unsigned String = SpecialTypes[pch::SPECIAL_TYPE_BLOCK_DESCRIPTOR])
- Context->setBlockDescriptorType(GetType(String));
- if (unsigned String
- = SpecialTypes[pch::SPECIAL_TYPE_BLOCK_EXTENDED_DESCRIPTOR])
- Context->setBlockDescriptorExtendedType(GetType(String));
- if (unsigned ObjCSelRedef
- = SpecialTypes[pch::SPECIAL_TYPE_OBJC_SEL_REDEFINITION])
- Context->ObjCSelRedefinitionType = GetType(ObjCSelRedef);
- if (unsigned String = SpecialTypes[pch::SPECIAL_TYPE_NS_CONSTANT_STRING])
- Context->setNSConstantStringType(GetType(String));
-
- if (SpecialTypes[pch::SPECIAL_TYPE_INT128_INSTALLED])
- Context->setInt128Installed();
-}
-
-/// \brief Retrieve the name of the original source file name
-/// directly from the PCH file, without actually loading the PCH
-/// file.
-std::string PCHReader::getOriginalSourceFile(const std::string &PCHFileName,
- Diagnostic &Diags) {
- // Open the PCH file.
- std::string ErrStr;
- llvm::OwningPtr<llvm::MemoryBuffer> Buffer;
- Buffer.reset(llvm::MemoryBuffer::getFile(PCHFileName.c_str(), &ErrStr));
- if (!Buffer) {
- Diags.Report(diag::err_fe_unable_to_read_pch_file) << ErrStr;
- return std::string();
- }
-
- // Initialize the stream
- llvm::BitstreamReader StreamFile;
- llvm::BitstreamCursor Stream;
- StreamFile.init((const unsigned char *)Buffer->getBufferStart(),
- (const unsigned char *)Buffer->getBufferEnd());
- Stream.init(StreamFile);
-
- // Sniff for the signature.
- if (Stream.Read(8) != 'C' ||
- Stream.Read(8) != 'P' ||
- Stream.Read(8) != 'C' ||
- Stream.Read(8) != 'H') {
- Diags.Report(diag::err_fe_not_a_pch_file) << PCHFileName;
- return std::string();
- }
-
- RecordData Record;
- while (!Stream.AtEndOfStream()) {
- unsigned Code = Stream.ReadCode();
-
- if (Code == llvm::bitc::ENTER_SUBBLOCK) {
- unsigned BlockID = Stream.ReadSubBlockID();
-
- // We only know the PCH subblock ID.
- switch (BlockID) {
- case pch::PCH_BLOCK_ID:
- if (Stream.EnterSubBlock(pch::PCH_BLOCK_ID)) {
- Diags.Report(diag::err_fe_pch_malformed_block) << PCHFileName;
- return std::string();
- }
- break;
-
- default:
- if (Stream.SkipBlock()) {
- Diags.Report(diag::err_fe_pch_malformed_block) << PCHFileName;
- return std::string();
- }
- break;
- }
- continue;
- }
-
- if (Code == llvm::bitc::END_BLOCK) {
- if (Stream.ReadBlockEnd()) {
- Diags.Report(diag::err_fe_pch_error_at_end_block) << PCHFileName;
- return std::string();
- }
- continue;
- }
-
- if (Code == llvm::bitc::DEFINE_ABBREV) {
- Stream.ReadAbbrevRecord();
- continue;
- }
-
- Record.clear();
- const char *BlobStart = 0;
- unsigned BlobLen = 0;
- if (Stream.ReadRecord(Code, Record, &BlobStart, &BlobLen)
- == pch::ORIGINAL_FILE_NAME)
- return std::string(BlobStart, BlobLen);
- }
-
- return std::string();
-}
-
-/// \brief Parse the record that corresponds to a LangOptions data
-/// structure.
-///
-/// This routine compares the language options used to generate the
-/// PCH file against the language options set for the current
-/// compilation. For each option, we classify differences between the
-/// two compiler states as either "benign" or "important". Benign
-/// differences don't matter, and we accept them without complaint
-/// (and without modifying the language options). Differences between
-/// the states for important options cause the PCH file to be
-/// unusable, so we emit a warning and return true to indicate that
-/// there was an error.
-///
-/// \returns true if the PCH file is unacceptable, false otherwise.
-bool PCHReader::ParseLanguageOptions(
- const llvm::SmallVectorImpl<uint64_t> &Record) {
- if (Listener) {
- LangOptions LangOpts;
-
- #define PARSE_LANGOPT(Option) \
- LangOpts.Option = Record[Idx]; \
- ++Idx
-
- unsigned Idx = 0;
- PARSE_LANGOPT(Trigraphs);
- PARSE_LANGOPT(BCPLComment);
- PARSE_LANGOPT(DollarIdents);
- PARSE_LANGOPT(AsmPreprocessor);
- PARSE_LANGOPT(GNUMode);
- PARSE_LANGOPT(GNUKeywords);
- PARSE_LANGOPT(ImplicitInt);
- PARSE_LANGOPT(Digraphs);
- PARSE_LANGOPT(HexFloats);
- PARSE_LANGOPT(C99);
- PARSE_LANGOPT(Microsoft);
- PARSE_LANGOPT(CPlusPlus);
- PARSE_LANGOPT(CPlusPlus0x);
- PARSE_LANGOPT(CXXOperatorNames);
- PARSE_LANGOPT(ObjC1);
- PARSE_LANGOPT(ObjC2);
- PARSE_LANGOPT(ObjCNonFragileABI);
- PARSE_LANGOPT(ObjCNonFragileABI2);
- PARSE_LANGOPT(NoConstantCFStrings);
- PARSE_LANGOPT(PascalStrings);
- PARSE_LANGOPT(WritableStrings);
- PARSE_LANGOPT(LaxVectorConversions);
- PARSE_LANGOPT(AltiVec);
- PARSE_LANGOPT(Exceptions);
- PARSE_LANGOPT(SjLjExceptions);
- PARSE_LANGOPT(NeXTRuntime);
- PARSE_LANGOPT(Freestanding);
- PARSE_LANGOPT(NoBuiltin);
- PARSE_LANGOPT(ThreadsafeStatics);
- PARSE_LANGOPT(POSIXThreads);
- PARSE_LANGOPT(Blocks);
- PARSE_LANGOPT(EmitAllDecls);
- PARSE_LANGOPT(MathErrno);
- LangOpts.setSignedOverflowBehavior((LangOptions::SignedOverflowBehaviorTy)
- Record[Idx++]);
- PARSE_LANGOPT(HeinousExtensions);
- PARSE_LANGOPT(Optimize);
- PARSE_LANGOPT(OptimizeSize);
- PARSE_LANGOPT(Static);
- PARSE_LANGOPT(PICLevel);
- PARSE_LANGOPT(GNUInline);
- PARSE_LANGOPT(NoInline);
- PARSE_LANGOPT(AccessControl);
- PARSE_LANGOPT(CharIsSigned);
- PARSE_LANGOPT(ShortWChar);
- LangOpts.setGCMode((LangOptions::GCMode)Record[Idx++]);
- LangOpts.setVisibilityMode((LangOptions::VisibilityMode)Record[Idx++]);
- LangOpts.setStackProtectorMode((LangOptions::StackProtectorMode)
- Record[Idx++]);
- PARSE_LANGOPT(InstantiationDepth);
- PARSE_LANGOPT(OpenCL);
- PARSE_LANGOPT(CatchUndefined);
- // FIXME: Missing ElideConstructors?!
- #undef PARSE_LANGOPT
-
- return Listener->ReadLanguageOptions(LangOpts);
- }
-
- return false;
-}
-
-void PCHReader::ReadPreprocessedEntities() {
- ReadDefinedMacros();
-}
-
-/// \brief Get the correct cursor and offset for loading a type.
-PCHReader::RecordLocation PCHReader::TypeCursorForIndex(unsigned Index) {
- PerFileData *F = 0;
- for (unsigned I = 0, N = Chain.size(); I != N; ++I) {
- F = Chain[N - I - 1];
- if (Index < F->LocalNumTypes)
- break;
- Index -= F->LocalNumTypes;
- }
- assert(F && F->LocalNumTypes > Index && "Broken chain");
- return RecordLocation(&F->DeclsCursor, F->TypeOffsets[Index]);
-}
-
-/// \brief Read and return the type with the given index..
-///
-/// The index is the type ID, shifted and minus the number of predefs. This
-/// routine actually reads the record corresponding to the type at the given
-/// location. It is a helper routine for GetType, which deals with reading type
-/// IDs.
-QualType PCHReader::ReadTypeRecord(unsigned Index) {
- RecordLocation Loc = TypeCursorForIndex(Index);
- llvm::BitstreamCursor &DeclsCursor = *Loc.first;
-
- // Keep track of where we are in the stream, then jump back there
- // after reading this type.
- SavedStreamPosition SavedPosition(DeclsCursor);
-
- ReadingKindTracker ReadingKind(Read_Type, *this);
-
- // Note that we are loading a type record.
- Deserializing AType(this);
-
- DeclsCursor.JumpToBit(Loc.second);
- RecordData Record;
- unsigned Code = DeclsCursor.ReadCode();
- switch ((pch::TypeCode)DeclsCursor.ReadRecord(Code, Record)) {
- case pch::TYPE_EXT_QUAL: {
- if (Record.size() != 2) {
- Error("Incorrect encoding of extended qualifier type");
- return QualType();
- }
- QualType Base = GetType(Record[0]);
- Qualifiers Quals = Qualifiers::fromOpaqueValue(Record[1]);
- return Context->getQualifiedType(Base, Quals);
- }
-
- case pch::TYPE_COMPLEX: {
- if (Record.size() != 1) {
- Error("Incorrect encoding of complex type");
- return QualType();
- }
- QualType ElemType = GetType(Record[0]);
- return Context->getComplexType(ElemType);
- }
-
- case pch::TYPE_POINTER: {
- if (Record.size() != 1) {
- Error("Incorrect encoding of pointer type");
- return QualType();
- }
- QualType PointeeType = GetType(Record[0]);
- return Context->getPointerType(PointeeType);
- }
-
- case pch::TYPE_BLOCK_POINTER: {
- if (Record.size() != 1) {
- Error("Incorrect encoding of block pointer type");
- return QualType();
- }
- QualType PointeeType = GetType(Record[0]);
- return Context->getBlockPointerType(PointeeType);
- }
-
- case pch::TYPE_LVALUE_REFERENCE: {
- if (Record.size() != 1) {
- Error("Incorrect encoding of lvalue reference type");
- return QualType();
- }
- QualType PointeeType = GetType(Record[0]);
- return Context->getLValueReferenceType(PointeeType);
- }
-
- case pch::TYPE_RVALUE_REFERENCE: {
- if (Record.size() != 1) {
- Error("Incorrect encoding of rvalue reference type");
- return QualType();
- }
- QualType PointeeType = GetType(Record[0]);
- return Context->getRValueReferenceType(PointeeType);
- }
-
- case pch::TYPE_MEMBER_POINTER: {
- if (Record.size() != 2) {
- Error("Incorrect encoding of member pointer type");
- return QualType();
- }
- QualType PointeeType = GetType(Record[0]);
- QualType ClassType = GetType(Record[1]);
- return Context->getMemberPointerType(PointeeType, ClassType.getTypePtr());
- }
-
- case pch::TYPE_CONSTANT_ARRAY: {
- QualType ElementType = GetType(Record[0]);
- ArrayType::ArraySizeModifier ASM = (ArrayType::ArraySizeModifier)Record[1];
- unsigned IndexTypeQuals = Record[2];
- unsigned Idx = 3;
- llvm::APInt Size = ReadAPInt(Record, Idx);
- return Context->getConstantArrayType(ElementType, Size,
- ASM, IndexTypeQuals);
- }
-
- case pch::TYPE_INCOMPLETE_ARRAY: {
- QualType ElementType = GetType(Record[0]);
- ArrayType::ArraySizeModifier ASM = (ArrayType::ArraySizeModifier)Record[1];
- unsigned IndexTypeQuals = Record[2];
- return Context->getIncompleteArrayType(ElementType, ASM, IndexTypeQuals);
- }
-
- case pch::TYPE_VARIABLE_ARRAY: {
- QualType ElementType = GetType(Record[0]);
- ArrayType::ArraySizeModifier ASM = (ArrayType::ArraySizeModifier)Record[1];
- unsigned IndexTypeQuals = Record[2];
- SourceLocation LBLoc = SourceLocation::getFromRawEncoding(Record[3]);
- SourceLocation RBLoc = SourceLocation::getFromRawEncoding(Record[4]);
- return Context->getVariableArrayType(ElementType, ReadExpr(DeclsCursor),
- ASM, IndexTypeQuals,
- SourceRange(LBLoc, RBLoc));
- }
-
- case pch::TYPE_VECTOR: {
- if (Record.size() != 3) {
- Error("incorrect encoding of vector type in PCH file");
- return QualType();
- }
-
- QualType ElementType = GetType(Record[0]);
- unsigned NumElements = Record[1];
- unsigned AltiVecSpec = Record[2];
- return Context->getVectorType(ElementType, NumElements,
- (VectorType::AltiVecSpecific)AltiVecSpec);
- }
-
- case pch::TYPE_EXT_VECTOR: {
- if (Record.size() != 3) {
- Error("incorrect encoding of extended vector type in PCH file");
- return QualType();
- }
-
- QualType ElementType = GetType(Record[0]);
- unsigned NumElements = Record[1];
- return Context->getExtVectorType(ElementType, NumElements);
- }
-
- case pch::TYPE_FUNCTION_NO_PROTO: {
- if (Record.size() != 4) {
- Error("incorrect encoding of no-proto function type");
- return QualType();
- }
- QualType ResultType = GetType(Record[0]);
- FunctionType::ExtInfo Info(Record[1], Record[2], (CallingConv)Record[3]);
- return Context->getFunctionNoProtoType(ResultType, Info);
- }
-
- case pch::TYPE_FUNCTION_PROTO: {
- QualType ResultType = GetType(Record[0]);
- bool NoReturn = Record[1];
- unsigned RegParm = Record[2];
- CallingConv CallConv = (CallingConv)Record[3];
- unsigned Idx = 4;
- unsigned NumParams = Record[Idx++];
- llvm::SmallVector<QualType, 16> ParamTypes;
- for (unsigned I = 0; I != NumParams; ++I)
- ParamTypes.push_back(GetType(Record[Idx++]));
- bool isVariadic = Record[Idx++];
- unsigned Quals = Record[Idx++];
- bool hasExceptionSpec = Record[Idx++];
- bool hasAnyExceptionSpec = Record[Idx++];
- unsigned NumExceptions = Record[Idx++];
- llvm::SmallVector<QualType, 2> Exceptions;
- for (unsigned I = 0; I != NumExceptions; ++I)
- Exceptions.push_back(GetType(Record[Idx++]));
- return Context->getFunctionType(ResultType, ParamTypes.data(), NumParams,
- isVariadic, Quals, hasExceptionSpec,
- hasAnyExceptionSpec, NumExceptions,
- Exceptions.data(),
- FunctionType::ExtInfo(NoReturn, RegParm,
- CallConv));
- }
-
- case pch::TYPE_UNRESOLVED_USING:
- return Context->getTypeDeclType(
- cast<UnresolvedUsingTypenameDecl>(GetDecl(Record[0])));
-
- case pch::TYPE_TYPEDEF: {
- if (Record.size() != 2) {
- Error("incorrect encoding of typedef type");
- return QualType();
- }
- TypedefDecl *Decl = cast<TypedefDecl>(GetDecl(Record[0]));
- QualType Canonical = GetType(Record[1]);
- return Context->getTypedefType(Decl, Canonical);
- }
-
- case pch::TYPE_TYPEOF_EXPR:
- return Context->getTypeOfExprType(ReadExpr(DeclsCursor));
-
- case pch::TYPE_TYPEOF: {
- if (Record.size() != 1) {
- Error("incorrect encoding of typeof(type) in PCH file");
- return QualType();
- }
- QualType UnderlyingType = GetType(Record[0]);
- return Context->getTypeOfType(UnderlyingType);
- }
-
- case pch::TYPE_DECLTYPE:
- return Context->getDecltypeType(ReadExpr(DeclsCursor));
-
- case pch::TYPE_RECORD: {
- if (Record.size() != 2) {
- Error("incorrect encoding of record type");
- return QualType();
- }
- bool IsDependent = Record[0];
- QualType T = Context->getRecordType(cast<RecordDecl>(GetDecl(Record[1])));
- T->Dependent = IsDependent;
- return T;
- }
-
- case pch::TYPE_ENUM: {
- if (Record.size() != 2) {
- Error("incorrect encoding of enum type");
- return QualType();
- }
- bool IsDependent = Record[0];
- QualType T = Context->getEnumType(cast<EnumDecl>(GetDecl(Record[1])));
- T->Dependent = IsDependent;
- return T;
- }
-
- case pch::TYPE_ELABORATED: {
- unsigned Idx = 0;
- ElaboratedTypeKeyword Keyword = (ElaboratedTypeKeyword)Record[Idx++];
- NestedNameSpecifier *NNS = ReadNestedNameSpecifier(Record, Idx);
- QualType NamedType = GetType(Record[Idx++]);
- return Context->getElaboratedType(Keyword, NNS, NamedType);
- }
-
- case pch::TYPE_OBJC_INTERFACE: {
- unsigned Idx = 0;
- ObjCInterfaceDecl *ItfD = cast<ObjCInterfaceDecl>(GetDecl(Record[Idx++]));
- return Context->getObjCInterfaceType(ItfD);
- }
-
- case pch::TYPE_OBJC_OBJECT: {
- unsigned Idx = 0;
- QualType Base = GetType(Record[Idx++]);
- unsigned NumProtos = Record[Idx++];
- llvm::SmallVector<ObjCProtocolDecl*, 4> Protos;
- for (unsigned I = 0; I != NumProtos; ++I)
- Protos.push_back(cast<ObjCProtocolDecl>(GetDecl(Record[Idx++])));
- return Context->getObjCObjectType(Base, Protos.data(), NumProtos);
- }
-
- case pch::TYPE_OBJC_OBJECT_POINTER: {
- unsigned Idx = 0;
- QualType Pointee = GetType(Record[Idx++]);
- return Context->getObjCObjectPointerType(Pointee);
- }
-
- case pch::TYPE_SUBST_TEMPLATE_TYPE_PARM: {
- unsigned Idx = 0;
- QualType Parm = GetType(Record[Idx++]);
- QualType Replacement = GetType(Record[Idx++]);
- return
- Context->getSubstTemplateTypeParmType(cast<TemplateTypeParmType>(Parm),
- Replacement);
- }
-
- case pch::TYPE_INJECTED_CLASS_NAME: {
- CXXRecordDecl *D = cast<CXXRecordDecl>(GetDecl(Record[0]));
- QualType TST = GetType(Record[1]); // probably derivable
- // FIXME: ASTContext::getInjectedClassNameType is not currently suitable
- // for PCH reading, too much interdependencies.
- return
- QualType(new (*Context, TypeAlignment) InjectedClassNameType(D, TST), 0);
- }
-
- case pch::TYPE_TEMPLATE_TYPE_PARM: {
- unsigned Idx = 0;
- unsigned Depth = Record[Idx++];
- unsigned Index = Record[Idx++];
- bool Pack = Record[Idx++];
- IdentifierInfo *Name = GetIdentifierInfo(Record, Idx);
- return Context->getTemplateTypeParmType(Depth, Index, Pack, Name);
- }
-
- case pch::TYPE_DEPENDENT_NAME: {
- unsigned Idx = 0;
- ElaboratedTypeKeyword Keyword = (ElaboratedTypeKeyword)Record[Idx++];
- NestedNameSpecifier *NNS = ReadNestedNameSpecifier(Record, Idx);
- const IdentifierInfo *Name = this->GetIdentifierInfo(Record, Idx);
- QualType Canon = GetType(Record[Idx++]);
- return Context->getDependentNameType(Keyword, NNS, Name, Canon);
- }
-
- case pch::TYPE_DEPENDENT_TEMPLATE_SPECIALIZATION: {
- unsigned Idx = 0;
- ElaboratedTypeKeyword Keyword = (ElaboratedTypeKeyword)Record[Idx++];
- NestedNameSpecifier *NNS = ReadNestedNameSpecifier(Record, Idx);
- const IdentifierInfo *Name = this->GetIdentifierInfo(Record, Idx);
- unsigned NumArgs = Record[Idx++];
- llvm::SmallVector<TemplateArgument, 8> Args;
- Args.reserve(NumArgs);
- while (NumArgs--)
- Args.push_back(ReadTemplateArgument(DeclsCursor, Record, Idx));
- return Context->getDependentTemplateSpecializationType(Keyword, NNS, Name,
- Args.size(), Args.data());
- }
-
- case pch::TYPE_DEPENDENT_SIZED_ARRAY: {
- unsigned Idx = 0;
-
- // ArrayType
- QualType ElementType = GetType(Record[Idx++]);
- ArrayType::ArraySizeModifier ASM
- = (ArrayType::ArraySizeModifier)Record[Idx++];
- unsigned IndexTypeQuals = Record[Idx++];
-
- // DependentSizedArrayType
- Expr *NumElts = ReadExpr(DeclsCursor);
- SourceRange Brackets = ReadSourceRange(Record, Idx);
-
- return Context->getDependentSizedArrayType(ElementType, NumElts, ASM,
- IndexTypeQuals, Brackets);
- }
-
- case pch::TYPE_TEMPLATE_SPECIALIZATION: {
- unsigned Idx = 0;
- bool IsDependent = Record[Idx++];
- TemplateName Name = ReadTemplateName(Record, Idx);
- llvm::SmallVector<TemplateArgument, 8> Args;
- ReadTemplateArgumentList(Args, DeclsCursor, Record, Idx);
- QualType Canon = GetType(Record[Idx++]);
- QualType T;
- if (Canon.isNull())
- T = Context->getCanonicalTemplateSpecializationType(Name, Args.data(),
- Args.size());
- else
- T = Context->getTemplateSpecializationType(Name, Args.data(),
- Args.size(), Canon);
- T->Dependent = IsDependent;
- return T;
- }
- }
- // Suppress a GCC warning
- return QualType();
-}
-
-namespace {
-
-class TypeLocReader : public TypeLocVisitor<TypeLocReader> {
- PCHReader &Reader;
- llvm::BitstreamCursor &DeclsCursor;
- const PCHReader::RecordData &Record;
- unsigned &Idx;
-
-public:
- TypeLocReader(PCHReader &Reader, llvm::BitstreamCursor &Cursor,
- const PCHReader::RecordData &Record, unsigned &Idx)
- : Reader(Reader), DeclsCursor(Cursor), Record(Record), Idx(Idx) { }
-
- // We want compile-time assurance that we've enumerated all of
- // these, so unfortunately we have to declare them first, then
- // define them out-of-line.
-#define ABSTRACT_TYPELOC(CLASS, PARENT)
-#define TYPELOC(CLASS, PARENT) \
- void Visit##CLASS##TypeLoc(CLASS##TypeLoc TyLoc);
-#include "clang/AST/TypeLocNodes.def"
-
- void VisitFunctionTypeLoc(FunctionTypeLoc);
- void VisitArrayTypeLoc(ArrayTypeLoc);
-};
-
-}
-
-void TypeLocReader::VisitQualifiedTypeLoc(QualifiedTypeLoc TL) {
- // nothing to do
-}
-void TypeLocReader::VisitBuiltinTypeLoc(BuiltinTypeLoc TL) {
- TL.setBuiltinLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
- if (TL.needsExtraLocalData()) {
- TL.setWrittenTypeSpec(static_cast<DeclSpec::TST>(Record[Idx++]));
- TL.setWrittenSignSpec(static_cast<DeclSpec::TSS>(Record[Idx++]));
- TL.setWrittenWidthSpec(static_cast<DeclSpec::TSW>(Record[Idx++]));
- TL.setModeAttr(Record[Idx++]);
- }
-}
-void TypeLocReader::VisitComplexTypeLoc(ComplexTypeLoc TL) {
- TL.setNameLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
-}
-void TypeLocReader::VisitPointerTypeLoc(PointerTypeLoc TL) {
- TL.setStarLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
-}
-void TypeLocReader::VisitBlockPointerTypeLoc(BlockPointerTypeLoc TL) {
- TL.setCaretLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
-}
-void TypeLocReader::VisitLValueReferenceTypeLoc(LValueReferenceTypeLoc TL) {
- TL.setAmpLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
-}
-void TypeLocReader::VisitRValueReferenceTypeLoc(RValueReferenceTypeLoc TL) {
- TL.setAmpAmpLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
-}
-void TypeLocReader::VisitMemberPointerTypeLoc(MemberPointerTypeLoc TL) {
- TL.setStarLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
-}
-void TypeLocReader::VisitArrayTypeLoc(ArrayTypeLoc TL) {
- TL.setLBracketLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
- TL.setRBracketLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
- if (Record[Idx++])
- TL.setSizeExpr(Reader.ReadExpr(DeclsCursor));
- else
- TL.setSizeExpr(0);
-}
-void TypeLocReader::VisitConstantArrayTypeLoc(ConstantArrayTypeLoc TL) {
- VisitArrayTypeLoc(TL);
-}
-void TypeLocReader::VisitIncompleteArrayTypeLoc(IncompleteArrayTypeLoc TL) {
- VisitArrayTypeLoc(TL);
-}
-void TypeLocReader::VisitVariableArrayTypeLoc(VariableArrayTypeLoc TL) {
- VisitArrayTypeLoc(TL);
-}
-void TypeLocReader::VisitDependentSizedArrayTypeLoc(
- DependentSizedArrayTypeLoc TL) {
- VisitArrayTypeLoc(TL);
-}
-void TypeLocReader::VisitDependentSizedExtVectorTypeLoc(
- DependentSizedExtVectorTypeLoc TL) {
- TL.setNameLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
-}
-void TypeLocReader::VisitVectorTypeLoc(VectorTypeLoc TL) {
- TL.setNameLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
-}
-void TypeLocReader::VisitExtVectorTypeLoc(ExtVectorTypeLoc TL) {
- TL.setNameLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
-}
-void TypeLocReader::VisitFunctionTypeLoc(FunctionTypeLoc TL) {
- TL.setLParenLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
- TL.setRParenLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
- for (unsigned i = 0, e = TL.getNumArgs(); i != e; ++i) {
- TL.setArg(i, cast_or_null<ParmVarDecl>(Reader.GetDecl(Record[Idx++])));
- }
-}
-void TypeLocReader::VisitFunctionProtoTypeLoc(FunctionProtoTypeLoc TL) {
- VisitFunctionTypeLoc(TL);
-}
-void TypeLocReader::VisitFunctionNoProtoTypeLoc(FunctionNoProtoTypeLoc TL) {
- VisitFunctionTypeLoc(TL);
-}
-void TypeLocReader::VisitUnresolvedUsingTypeLoc(UnresolvedUsingTypeLoc TL) {
- TL.setNameLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
-}
-void TypeLocReader::VisitTypedefTypeLoc(TypedefTypeLoc TL) {
- TL.setNameLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
-}
-void TypeLocReader::VisitTypeOfExprTypeLoc(TypeOfExprTypeLoc TL) {
- TL.setTypeofLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
- TL.setLParenLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
- TL.setRParenLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
-}
-void TypeLocReader::VisitTypeOfTypeLoc(TypeOfTypeLoc TL) {
- TL.setTypeofLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
- TL.setLParenLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
- TL.setRParenLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
- TL.setUnderlyingTInfo(Reader.GetTypeSourceInfo(DeclsCursor, Record, Idx));
-}
-void TypeLocReader::VisitDecltypeTypeLoc(DecltypeTypeLoc TL) {
- TL.setNameLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
-}
-void TypeLocReader::VisitRecordTypeLoc(RecordTypeLoc TL) {
- TL.setNameLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
-}
-void TypeLocReader::VisitEnumTypeLoc(EnumTypeLoc TL) {
- TL.setNameLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
-}
-void TypeLocReader::VisitTemplateTypeParmTypeLoc(TemplateTypeParmTypeLoc TL) {
- TL.setNameLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
-}
-void TypeLocReader::VisitSubstTemplateTypeParmTypeLoc(
- SubstTemplateTypeParmTypeLoc TL) {
- TL.setNameLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
-}
-void TypeLocReader::VisitTemplateSpecializationTypeLoc(
- TemplateSpecializationTypeLoc TL) {
- TL.setTemplateNameLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
- TL.setLAngleLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
- TL.setRAngleLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
- for (unsigned i = 0, e = TL.getNumArgs(); i != e; ++i)
- TL.setArgLocInfo(i,
- Reader.GetTemplateArgumentLocInfo(TL.getTypePtr()->getArg(i).getKind(),
- DeclsCursor, Record, Idx));
-}
-void TypeLocReader::VisitElaboratedTypeLoc(ElaboratedTypeLoc TL) {
- TL.setKeywordLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
- TL.setQualifierRange(Reader.ReadSourceRange(Record, Idx));
-}
-void TypeLocReader::VisitInjectedClassNameTypeLoc(InjectedClassNameTypeLoc TL) {
- TL.setNameLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
-}
-void TypeLocReader::VisitDependentNameTypeLoc(DependentNameTypeLoc TL) {
- TL.setKeywordLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
- TL.setQualifierRange(Reader.ReadSourceRange(Record, Idx));
- TL.setNameLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
-}
-void TypeLocReader::VisitDependentTemplateSpecializationTypeLoc(
- DependentTemplateSpecializationTypeLoc TL) {
- TL.setKeywordLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
- TL.setQualifierRange(Reader.ReadSourceRange(Record, Idx));
- TL.setNameLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
- TL.setLAngleLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
- TL.setRAngleLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
- for (unsigned I = 0, E = TL.getNumArgs(); I != E; ++I)
- TL.setArgLocInfo(I,
- Reader.GetTemplateArgumentLocInfo(TL.getTypePtr()->getArg(I).getKind(),
- DeclsCursor, Record, Idx));
-}
-void TypeLocReader::VisitObjCInterfaceTypeLoc(ObjCInterfaceTypeLoc TL) {
- TL.setNameLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
-}
-void TypeLocReader::VisitObjCObjectTypeLoc(ObjCObjectTypeLoc TL) {
- TL.setHasBaseTypeAsWritten(Record[Idx++]);
- TL.setLAngleLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
- TL.setRAngleLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
- for (unsigned i = 0, e = TL.getNumProtocols(); i != e; ++i)
- TL.setProtocolLoc(i, SourceLocation::getFromRawEncoding(Record[Idx++]));
-}
-void TypeLocReader::VisitObjCObjectPointerTypeLoc(ObjCObjectPointerTypeLoc TL) {
- TL.setStarLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
-}
-
-TypeSourceInfo *PCHReader::GetTypeSourceInfo(llvm::BitstreamCursor &DeclsCursor,
- const RecordData &Record,
- unsigned &Idx) {
- QualType InfoTy = GetType(Record[Idx++]);
- if (InfoTy.isNull())
- return 0;
-
- TypeSourceInfo *TInfo = getContext()->CreateTypeSourceInfo(InfoTy);
- TypeLocReader TLR(*this, DeclsCursor, Record, Idx);
- for (TypeLoc TL = TInfo->getTypeLoc(); !TL.isNull(); TL = TL.getNextTypeLoc())
- TLR.Visit(TL);
- return TInfo;
-}
-
-QualType PCHReader::GetType(pch::TypeID ID) {
- unsigned FastQuals = ID & Qualifiers::FastMask;
- unsigned Index = ID >> Qualifiers::FastWidth;
-
- if (Index < pch::NUM_PREDEF_TYPE_IDS) {
- QualType T;
- switch ((pch::PredefinedTypeIDs)Index) {
- case pch::PREDEF_TYPE_NULL_ID: return QualType();
- case pch::PREDEF_TYPE_VOID_ID: T = Context->VoidTy; break;
- case pch::PREDEF_TYPE_BOOL_ID: T = Context->BoolTy; break;
-
- case pch::PREDEF_TYPE_CHAR_U_ID:
- case pch::PREDEF_TYPE_CHAR_S_ID:
- // FIXME: Check that the signedness of CharTy is correct!
- T = Context->CharTy;
- break;
-
- case pch::PREDEF_TYPE_UCHAR_ID: T = Context->UnsignedCharTy; break;
- case pch::PREDEF_TYPE_USHORT_ID: T = Context->UnsignedShortTy; break;
- case pch::PREDEF_TYPE_UINT_ID: T = Context->UnsignedIntTy; break;
- case pch::PREDEF_TYPE_ULONG_ID: T = Context->UnsignedLongTy; break;
- case pch::PREDEF_TYPE_ULONGLONG_ID: T = Context->UnsignedLongLongTy; break;
- case pch::PREDEF_TYPE_UINT128_ID: T = Context->UnsignedInt128Ty; break;
- case pch::PREDEF_TYPE_SCHAR_ID: T = Context->SignedCharTy; break;
- case pch::PREDEF_TYPE_WCHAR_ID: T = Context->WCharTy; break;
- case pch::PREDEF_TYPE_SHORT_ID: T = Context->ShortTy; break;
- case pch::PREDEF_TYPE_INT_ID: T = Context->IntTy; break;
- case pch::PREDEF_TYPE_LONG_ID: T = Context->LongTy; break;
- case pch::PREDEF_TYPE_LONGLONG_ID: T = Context->LongLongTy; break;
- case pch::PREDEF_TYPE_INT128_ID: T = Context->Int128Ty; break;
- case pch::PREDEF_TYPE_FLOAT_ID: T = Context->FloatTy; break;
- case pch::PREDEF_TYPE_DOUBLE_ID: T = Context->DoubleTy; break;
- case pch::PREDEF_TYPE_LONGDOUBLE_ID: T = Context->LongDoubleTy; break;
- case pch::PREDEF_TYPE_OVERLOAD_ID: T = Context->OverloadTy; break;
- case pch::PREDEF_TYPE_DEPENDENT_ID: T = Context->DependentTy; break;
- case pch::PREDEF_TYPE_NULLPTR_ID: T = Context->NullPtrTy; break;
- case pch::PREDEF_TYPE_CHAR16_ID: T = Context->Char16Ty; break;
- case pch::PREDEF_TYPE_CHAR32_ID: T = Context->Char32Ty; break;
- case pch::PREDEF_TYPE_OBJC_ID: T = Context->ObjCBuiltinIdTy; break;
- case pch::PREDEF_TYPE_OBJC_CLASS: T = Context->ObjCBuiltinClassTy; break;
- case pch::PREDEF_TYPE_OBJC_SEL: T = Context->ObjCBuiltinSelTy; break;
- }
-
- assert(!T.isNull() && "Unknown predefined type");
- return T.withFastQualifiers(FastQuals);
- }
-
- Index -= pch::NUM_PREDEF_TYPE_IDS;
- assert(Index < TypesLoaded.size() && "Type index out-of-range");
- if (TypesLoaded[Index].isNull()) {
- TypesLoaded[Index] = ReadTypeRecord(Index);
- TypesLoaded[Index]->setFromPCH();
- if (DeserializationListener)
- DeserializationListener->TypeRead(ID >> Qualifiers::FastWidth,
- TypesLoaded[Index]);
- }
-
- return TypesLoaded[Index].withFastQualifiers(FastQuals);
-}
-
-TemplateArgumentLocInfo
-PCHReader::GetTemplateArgumentLocInfo(TemplateArgument::ArgKind Kind,
- llvm::BitstreamCursor &DeclsCursor,
- const RecordData &Record,
- unsigned &Index) {
- switch (Kind) {
- case TemplateArgument::Expression:
- return ReadExpr(DeclsCursor);
- case TemplateArgument::Type:
- return GetTypeSourceInfo(DeclsCursor, Record, Index);
- case TemplateArgument::Template: {
- SourceRange QualifierRange = ReadSourceRange(Record, Index);
- SourceLocation TemplateNameLoc = ReadSourceLocation(Record, Index);
- return TemplateArgumentLocInfo(QualifierRange, TemplateNameLoc);
- }
- case TemplateArgument::Null:
- case TemplateArgument::Integral:
- case TemplateArgument::Declaration:
- case TemplateArgument::Pack:
- return TemplateArgumentLocInfo();
- }
- llvm_unreachable("unexpected template argument loc");
- return TemplateArgumentLocInfo();
-}
-
-TemplateArgumentLoc
-PCHReader::ReadTemplateArgumentLoc(llvm::BitstreamCursor &DeclsCursor,
- const RecordData &Record, unsigned &Index) {
- TemplateArgument Arg = ReadTemplateArgument(DeclsCursor, Record, Index);
-
- if (Arg.getKind() == TemplateArgument::Expression) {
- if (Record[Index++]) // bool InfoHasSameExpr.
- return TemplateArgumentLoc(Arg, TemplateArgumentLocInfo(Arg.getAsExpr()));
- }
- return TemplateArgumentLoc(Arg, GetTemplateArgumentLocInfo(Arg.getKind(),
- DeclsCursor,
- Record, Index));
-}
-
-Decl *PCHReader::GetExternalDecl(uint32_t ID) {
- return GetDecl(ID);
-}
-
-TranslationUnitDecl *PCHReader::GetTranslationUnitDecl() {
- if (!DeclsLoaded[0]) {
- ReadDeclRecord(0, 0);
- if (DeserializationListener)
- DeserializationListener->DeclRead(1, DeclsLoaded[0]);
- }
-
- return cast<TranslationUnitDecl>(DeclsLoaded[0]);
-}
-
-Decl *PCHReader::GetDecl(pch::DeclID ID) {
- if (ID == 0)
- return 0;
-
- if (ID > DeclsLoaded.size()) {
- Error("declaration ID out-of-range for PCH file");
- return 0;
- }
-
- unsigned Index = ID - 1;
- if (!DeclsLoaded[Index]) {
- ReadDeclRecord(Index, ID);
- if (DeserializationListener)
- DeserializationListener->DeclRead(ID, DeclsLoaded[Index]);
- }
-
- return DeclsLoaded[Index];
-}
-
-/// \brief Resolve the offset of a statement into a statement.
-///
-/// This operation will read a new statement from the external
-/// source each time it is called, and is meant to be used via a
-/// LazyOffsetPtr (which is used by Decls for the body of functions, etc).
-Stmt *PCHReader::GetExternalDeclStmt(uint64_t Offset) {
- // Offset here is a global offset across the entire chain.
- for (unsigned I = 0, N = Chain.size(); I != N; ++I) {
- PerFileData &F = *Chain[N - I - 1];
- if (Offset < F.SizeInBits) {
- // Since we know that this statement is part of a decl, make sure to use
- // the decl cursor to read it.
- F.DeclsCursor.JumpToBit(Offset);
- return ReadStmtFromStream(F.DeclsCursor);
- }
- Offset -= F.SizeInBits;
- }
- llvm_unreachable("Broken chain");
-}
-
-bool PCHReader::FindExternalLexicalDecls(const DeclContext *DC,
- llvm::SmallVectorImpl<Decl*> &Decls) {
- assert(DC->hasExternalLexicalStorage() &&
- "DeclContext has no lexical decls in storage");
-
- // There might be lexical decls in multiple parts of the chain, for the TU
- // at least.
- DeclContextInfos &Infos = DeclContextOffsets[DC];
- for (DeclContextInfos::iterator I = Infos.begin(), E = Infos.end();
- I != E; ++I) {
- // IDs can be 0 if this context doesn't contain declarations.
- if (!I->LexicalDecls)
- continue;
-
- // Load all of the declaration IDs
- for (const pch::DeclID *ID = I->LexicalDecls,
- *IDE = ID + I->NumLexicalDecls;
- ID != IDE; ++ID)
- Decls.push_back(GetDecl(*ID));
- }
-
- ++NumLexicalDeclContextsRead;
- return false;
-}
-
-DeclContext::lookup_result
-PCHReader::FindExternalVisibleDeclsByName(const DeclContext *DC,
- DeclarationName Name) {
- assert(DC->hasExternalVisibleStorage() &&
- "DeclContext has no visible decls in storage");
-
- llvm::SmallVector<VisibleDeclaration, 64> Decls;
- // There might be lexical decls in multiple parts of the chain, for the TU
- // and namespaces.
- DeclContextInfos &Infos = DeclContextOffsets[DC];
- for (DeclContextInfos::iterator I = Infos.begin(), E = Infos.end();
- I != E; ++I) {
- uint64_t Offset = I->OffsetToVisibleDecls;
- if (Offset == 0)
- continue;
-
- llvm::BitstreamCursor &DeclsCursor = *I->Stream;
-
- // Keep track of where we are in the stream, then jump back there
- // after reading this context.
- SavedStreamPosition SavedPosition(DeclsCursor);
-
- // Load the record containing all of the declarations visible in
- // this context.
- DeclsCursor.JumpToBit(Offset);
- RecordData Record;
- unsigned Code = DeclsCursor.ReadCode();
- unsigned RecCode = DeclsCursor.ReadRecord(Code, Record);
- if (RecCode != pch::DECL_CONTEXT_VISIBLE) {
- Error("Expected visible block");
- return DeclContext::lookup_result(DeclContext::lookup_iterator(),
- DeclContext::lookup_iterator());
- }
-
- if (Record.empty())
- continue;
-
- unsigned Idx = 0;
- while (Idx < Record.size()) {
- Decls.push_back(VisibleDeclaration());
- Decls.back().Name = ReadDeclarationName(Record, Idx);
-
- unsigned Size = Record[Idx++];
- llvm::SmallVector<unsigned, 4> &LoadedDecls = Decls.back().Declarations;
- LoadedDecls.reserve(Size);
- for (unsigned J = 0; J < Size; ++J)
- LoadedDecls.push_back(Record[Idx++]);
- }
- }
-
- ++NumVisibleDeclContextsRead;
-
- SetExternalVisibleDecls(DC, Decls);
- return const_cast<DeclContext*>(DC)->lookup(Name);
-}
-
-void PCHReader::PassInterestingDeclsToConsumer() {
- assert(Consumer);
- while (!InterestingDecls.empty()) {
- DeclGroupRef DG(InterestingDecls.front());
- InterestingDecls.pop_front();
- Consumer->HandleInterestingDecl(DG);
- }
-}
-
-void PCHReader::StartTranslationUnit(ASTConsumer *Consumer) {
- this->Consumer = Consumer;
-
- if (!Consumer)
- return;
-
- for (unsigned I = 0, N = ExternalDefinitions.size(); I != N; ++I) {
- // Force deserialization of this decl, which will cause it to be queued for
- // passing to the consumer.
- GetDecl(ExternalDefinitions[I]);
- }
-
- PassInterestingDeclsToConsumer();
-}
-
-void PCHReader::PrintStats() {
- std::fprintf(stderr, "*** PCH Statistics:\n");
-
- unsigned NumTypesLoaded
- = TypesLoaded.size() - std::count(TypesLoaded.begin(), TypesLoaded.end(),
- QualType());
- unsigned NumDeclsLoaded
- = DeclsLoaded.size() - std::count(DeclsLoaded.begin(), DeclsLoaded.end(),
- (Decl *)0);
- unsigned NumIdentifiersLoaded
- = IdentifiersLoaded.size() - std::count(IdentifiersLoaded.begin(),
- IdentifiersLoaded.end(),
- (IdentifierInfo *)0);
- unsigned NumSelectorsLoaded
- = SelectorsLoaded.size() - std::count(SelectorsLoaded.begin(),
- SelectorsLoaded.end(),
- Selector());
-
- std::fprintf(stderr, " %u stat cache hits\n", NumStatHits);
- std::fprintf(stderr, " %u stat cache misses\n", NumStatMisses);
- if (TotalNumSLocEntries)
- std::fprintf(stderr, " %u/%u source location entries read (%f%%)\n",
- NumSLocEntriesRead, TotalNumSLocEntries,
- ((float)NumSLocEntriesRead/TotalNumSLocEntries * 100));
- if (!TypesLoaded.empty())
- std::fprintf(stderr, " %u/%u types read (%f%%)\n",
- NumTypesLoaded, (unsigned)TypesLoaded.size(),
- ((float)NumTypesLoaded/TypesLoaded.size() * 100));
- if (!DeclsLoaded.empty())
- std::fprintf(stderr, " %u/%u declarations read (%f%%)\n",
- NumDeclsLoaded, (unsigned)DeclsLoaded.size(),
- ((float)NumDeclsLoaded/DeclsLoaded.size() * 100));
- if (!IdentifiersLoaded.empty())
- std::fprintf(stderr, " %u/%u identifiers read (%f%%)\n",
- NumIdentifiersLoaded, (unsigned)IdentifiersLoaded.size(),
- ((float)NumIdentifiersLoaded/IdentifiersLoaded.size() * 100));
- if (!SelectorsLoaded.empty())
- std::fprintf(stderr, " %u/%u selectors read (%f%%)\n",
- NumSelectorsLoaded, (unsigned)SelectorsLoaded.size(),
- ((float)NumSelectorsLoaded/SelectorsLoaded.size() * 100));
- if (TotalNumStatements)
- std::fprintf(stderr, " %u/%u statements read (%f%%)\n",
- NumStatementsRead, TotalNumStatements,
- ((float)NumStatementsRead/TotalNumStatements * 100));
- if (TotalNumMacros)
- std::fprintf(stderr, " %u/%u macros read (%f%%)\n",
- NumMacrosRead, TotalNumMacros,
- ((float)NumMacrosRead/TotalNumMacros * 100));
- if (TotalLexicalDeclContexts)
- std::fprintf(stderr, " %u/%u lexical declcontexts read (%f%%)\n",
- NumLexicalDeclContextsRead, TotalLexicalDeclContexts,
- ((float)NumLexicalDeclContextsRead/TotalLexicalDeclContexts
- * 100));
- if (TotalVisibleDeclContexts)
- std::fprintf(stderr, " %u/%u visible declcontexts read (%f%%)\n",
- NumVisibleDeclContextsRead, TotalVisibleDeclContexts,
- ((float)NumVisibleDeclContextsRead/TotalVisibleDeclContexts
- * 100));
- if (TotalNumMethodPoolEntries) {
- std::fprintf(stderr, " %u/%u method pool entries read (%f%%)\n",
- NumMethodPoolEntriesRead, TotalNumMethodPoolEntries,
- ((float)NumMethodPoolEntriesRead/TotalNumMethodPoolEntries
- * 100));
- std::fprintf(stderr, " %u method pool misses\n", NumMethodPoolMisses);
- }
- std::fprintf(stderr, "\n");
-}
-
-void PCHReader::InitializeSema(Sema &S) {
- SemaObj = &S;
- S.ExternalSource = this;
-
- // Makes sure any declarations that were deserialized "too early"
- // still get added to the identifier's declaration chains.
- if (SemaObj->TUScope) {
- for (unsigned I = 0, N = PreloadedDecls.size(); I != N; ++I) {
- SemaObj->TUScope->AddDecl(Action::DeclPtrTy::make(PreloadedDecls[I]));
- SemaObj->IdResolver.AddDecl(PreloadedDecls[I]);
- }
- }
- PreloadedDecls.clear();
-
- // If there were any tentative definitions, deserialize them and add
- // them to Sema's list of tentative definitions.
- for (unsigned I = 0, N = TentativeDefinitions.size(); I != N; ++I) {
- VarDecl *Var = cast<VarDecl>(GetDecl(TentativeDefinitions[I]));
- SemaObj->TentativeDefinitions.push_back(Var);
- }
-
- // If there were any unused file scoped decls, deserialize them and add to
- // Sema's list of unused file scoped decls.
- for (unsigned I = 0, N = UnusedFileScopedDecls.size(); I != N; ++I) {
- DeclaratorDecl *D = cast<DeclaratorDecl>(GetDecl(UnusedFileScopedDecls[I]));
- SemaObj->UnusedFileScopedDecls.push_back(D);
- }
-
- // If there were any weak undeclared identifiers, deserialize them and add to
- // Sema's list of weak undeclared identifiers.
- if (!WeakUndeclaredIdentifiers.empty()) {
- unsigned Idx = 0;
- for (unsigned I = 0, N = WeakUndeclaredIdentifiers[Idx++]; I != N; ++I) {
- IdentifierInfo *WeakId = GetIdentifierInfo(WeakUndeclaredIdentifiers,Idx);
- IdentifierInfo *AliasId=GetIdentifierInfo(WeakUndeclaredIdentifiers,Idx);
- SourceLocation Loc = ReadSourceLocation(WeakUndeclaredIdentifiers, Idx);
- bool Used = WeakUndeclaredIdentifiers[Idx++];
- Sema::WeakInfo WI(AliasId, Loc);
- WI.setUsed(Used);
- SemaObj->WeakUndeclaredIdentifiers.insert(std::make_pair(WeakId, WI));
- }
- }
-
- // If there were any locally-scoped external declarations,
- // deserialize them and add them to Sema's table of locally-scoped
- // external declarations.
- for (unsigned I = 0, N = LocallyScopedExternalDecls.size(); I != N; ++I) {
- NamedDecl *D = cast<NamedDecl>(GetDecl(LocallyScopedExternalDecls[I]));
- SemaObj->LocallyScopedExternalDecls[D->getDeclName()] = D;
- }
-
- // If there were any ext_vector type declarations, deserialize them
- // and add them to Sema's vector of such declarations.
- for (unsigned I = 0, N = ExtVectorDecls.size(); I != N; ++I)
- SemaObj->ExtVectorDecls.push_back(
- cast<TypedefDecl>(GetDecl(ExtVectorDecls[I])));
-
- // FIXME: Do VTable uses and dynamic classes deserialize too much ?
- // Can we cut them down before writing them ?
-
- // If there were any VTable uses, deserialize the information and add it
- // to Sema's vector and map of VTable uses.
- if (!VTableUses.empty()) {
- unsigned Idx = 0;
- for (unsigned I = 0, N = VTableUses[Idx++]; I != N; ++I) {
- CXXRecordDecl *Class = cast<CXXRecordDecl>(GetDecl(VTableUses[Idx++]));
- SourceLocation Loc = ReadSourceLocation(VTableUses, Idx);
- bool DefinitionRequired = VTableUses[Idx++];
- SemaObj->VTableUses.push_back(std::make_pair(Class, Loc));
- SemaObj->VTablesUsed[Class] = DefinitionRequired;
- }
- }
-
- // If there were any dynamic classes declarations, deserialize them
- // and add them to Sema's vector of such declarations.
- for (unsigned I = 0, N = DynamicClasses.size(); I != N; ++I)
- SemaObj->DynamicClasses.push_back(
- cast<CXXRecordDecl>(GetDecl(DynamicClasses[I])));
-
- // If there were any pending implicit instantiations, deserialize them
- // and add them to Sema's queue of such instantiations.
- assert(PendingImplicitInstantiations.size() % 2 == 0 &&
- "Expected pairs of entries");
- for (unsigned Idx = 0, N = PendingImplicitInstantiations.size(); Idx < N;) {
- ValueDecl *D=cast<ValueDecl>(GetDecl(PendingImplicitInstantiations[Idx++]));
- SourceLocation Loc = ReadSourceLocation(PendingImplicitInstantiations, Idx);
- SemaObj->PendingImplicitInstantiations.push_back(std::make_pair(D, Loc));
- }
-
- // Load the offsets of the declarations that Sema references.
- // They will be lazily deserialized when needed.
- if (!SemaDeclRefs.empty()) {
- assert(SemaDeclRefs.size() == 2 && "More decl refs than expected!");
- SemaObj->StdNamespace = SemaDeclRefs[0];
- SemaObj->StdBadAlloc = SemaDeclRefs[1];
- }
-
- // If there are @selector references added them to its pool. This is for
- // implementation of -Wselector.
- if (!ReferencedSelectorsData.empty()) {
- unsigned int DataSize = ReferencedSelectorsData.size()-1;
- unsigned I = 0;
- while (I < DataSize) {
- Selector Sel = DecodeSelector(ReferencedSelectorsData[I++]);
- SourceLocation SelLoc =
- SourceLocation::getFromRawEncoding(ReferencedSelectorsData[I++]);
- SemaObj->ReferencedSelectors.insert(std::make_pair(Sel, SelLoc));
- }
- }
-}
-
-IdentifierInfo* PCHReader::get(const char *NameStart, const char *NameEnd) {
- // Try to find this name within our on-disk hash tables. We start with the
- // most recent one, since that one contains the most up-to-date info.
- for (unsigned I = 0, N = Chain.size(); I != N; ++I) {
- PCHIdentifierLookupTable *IdTable
- = (PCHIdentifierLookupTable *)Chain[I]->IdentifierLookupTable;
- if (!IdTable)
- continue;
- std::pair<const char*, unsigned> Key(NameStart, NameEnd - NameStart);
- PCHIdentifierLookupTable::iterator Pos = IdTable->find(Key);
- if (Pos == IdTable->end())
- continue;
-
- // Dereferencing the iterator has the effect of building the
- // IdentifierInfo node and populating it with the various
- // declarations it needs.
- return *Pos;
- }
- return 0;
-}
-
-std::pair<ObjCMethodList, ObjCMethodList>
-PCHReader::ReadMethodPool(Selector Sel) {
- // Find this selector in a hash table. We want to find the most recent entry.
- for (unsigned I = 0, N = Chain.size(); I != N; ++I) {
- PerFileData &F = *Chain[I];
- if (!F.SelectorLookupTable)
- continue;
-
- PCHSelectorLookupTable *PoolTable
- = (PCHSelectorLookupTable*)F.SelectorLookupTable;
- PCHSelectorLookupTable::iterator Pos = PoolTable->find(Sel);
- if (Pos != PoolTable->end()) {
- ++NumSelectorsRead;
- // FIXME: Not quite happy with the statistics here. We probably should
- // disable this tracking when called via LoadSelector.
- // Also, should entries without methods count as misses?
- ++NumMethodPoolEntriesRead;
- PCHSelectorLookupTrait::data_type Data = *Pos;
- if (DeserializationListener)
- DeserializationListener->SelectorRead(Data.ID, Sel);
- return std::make_pair(Data.Instance, Data.Factory);
- }
- }
-
- ++NumMethodPoolMisses;
- return std::pair<ObjCMethodList, ObjCMethodList>();
-}
-
-void PCHReader::LoadSelector(Selector Sel) {
- // It would be complicated to avoid reading the methods anyway. So don't.
- ReadMethodPool(Sel);
-}
-
-void PCHReader::SetIdentifierInfo(unsigned ID, IdentifierInfo *II) {
- assert(ID && "Non-zero identifier ID required");
- assert(ID <= IdentifiersLoaded.size() && "identifier ID out of range");
- IdentifiersLoaded[ID - 1] = II;
- if (DeserializationListener)
- DeserializationListener->IdentifierRead(ID, II);
-}
-
-/// \brief Set the globally-visible declarations associated with the given
-/// identifier.
-///
-/// If the PCH reader is currently in a state where the given declaration IDs
-/// cannot safely be resolved, they are queued until it is safe to resolve
-/// them.
-///
-/// \param II an IdentifierInfo that refers to one or more globally-visible
-/// declarations.
-///
-/// \param DeclIDs the set of declaration IDs with the name @p II that are
-/// visible at global scope.
-///
-/// \param Nonrecursive should be true to indicate that the caller knows that
-/// this call is non-recursive, and therefore the globally-visible declarations
-/// will not be placed onto the pending queue.
-void
-PCHReader::SetGloballyVisibleDecls(IdentifierInfo *II,
- const llvm::SmallVectorImpl<uint32_t> &DeclIDs,
- bool Nonrecursive) {
- if (NumCurrentElementsDeserializing && !Nonrecursive) {
- PendingIdentifierInfos.push_back(PendingIdentifierInfo());
- PendingIdentifierInfo &PII = PendingIdentifierInfos.back();
- PII.II = II;
- for (unsigned I = 0, N = DeclIDs.size(); I != N; ++I)
- PII.DeclIDs.push_back(DeclIDs[I]);
- return;
- }
-
- for (unsigned I = 0, N = DeclIDs.size(); I != N; ++I) {
- NamedDecl *D = cast<NamedDecl>(GetDecl(DeclIDs[I]));
- if (SemaObj) {
- if (SemaObj->TUScope) {
- // Introduce this declaration into the translation-unit scope
- // and add it to the declaration chain for this identifier, so
- // that (unqualified) name lookup will find it.
- SemaObj->TUScope->AddDecl(Action::DeclPtrTy::make(D));
- SemaObj->IdResolver.AddDeclToIdentifierChain(II, D);
- }
- } else {
- // Queue this declaration so that it will be added to the
- // translation unit scope and identifier's declaration chain
- // once a Sema object is known.
- PreloadedDecls.push_back(D);
- }
- }
-}
-
-IdentifierInfo *PCHReader::DecodeIdentifierInfo(unsigned ID) {
- if (ID == 0)
- return 0;
-
- if (IdentifiersLoaded.empty()) {
- Error("no identifier table in PCH file");
- return 0;
- }
-
- assert(PP && "Forgot to set Preprocessor ?");
- ID -= 1;
- if (!IdentifiersLoaded[ID]) {
- unsigned Index = ID;
- const char *Str = 0;
- for (unsigned I = 0, N = Chain.size(); I != N; ++I) {
- PerFileData *F = Chain[N - I - 1];
- if (Index < F->LocalNumIdentifiers) {
- uint32_t Offset = F->IdentifierOffsets[Index];
- Str = F->IdentifierTableData + Offset;
- break;
- }
- Index -= F->LocalNumIdentifiers;
- }
- assert(Str && "Broken Chain");
-
- // All of the strings in the PCH file are preceded by a 16-bit
- // length. Extract that 16-bit length to avoid having to execute
- // strlen().
- // NOTE: 'StrLenPtr' is an 'unsigned char*' so that we load bytes as
- // unsigned integers. This is important to avoid integer overflow when
- // we cast them to 'unsigned'.
- const unsigned char *StrLenPtr = (const unsigned char*) Str - 2;
- unsigned StrLen = (((unsigned) StrLenPtr[0])
- | (((unsigned) StrLenPtr[1]) << 8)) - 1;
- IdentifiersLoaded[ID]
- = &PP->getIdentifierTable().get(Str, StrLen);
- if (DeserializationListener)
- DeserializationListener->IdentifierRead(ID + 1, IdentifiersLoaded[ID]);
- }
-
- return IdentifiersLoaded[ID];
-}
-
-void PCHReader::ReadSLocEntry(unsigned ID) {
- ReadSLocEntryRecord(ID);
-}
-
-Selector PCHReader::DecodeSelector(unsigned ID) {
- if (ID == 0)
- return Selector();
-
- if (ID > SelectorsLoaded.size()) {
- Error("selector ID out of range in PCH file");
- return Selector();
- }
-
- if (SelectorsLoaded[ID - 1].getAsOpaquePtr() == 0) {
- // Load this selector from the selector table.
- unsigned Idx = ID - 1;
- for (unsigned I = 0, N = Chain.size(); I != N; ++I) {
- PerFileData &F = *Chain[N - I - 1];
- if (Idx < F.LocalNumSelectors) {
- PCHSelectorLookupTrait Trait(*this);
- SelectorsLoaded[ID - 1] =
- Trait.ReadKey(F.SelectorLookupTableData + F.SelectorOffsets[Idx], 0);
- if (DeserializationListener)
- DeserializationListener->SelectorRead(ID, SelectorsLoaded[ID - 1]);
- break;
- }
- Idx -= F.LocalNumSelectors;
- }
- }
-
- return SelectorsLoaded[ID - 1];
-}
-
-Selector PCHReader::GetExternalSelector(uint32_t ID) {
- return DecodeSelector(ID);
-}
-
-uint32_t PCHReader::GetNumExternalSelectors() {
- // ID 0 (the null selector) is considered an external selector.
- return getTotalNumSelectors() + 1;
-}
-
-DeclarationName
-PCHReader::ReadDeclarationName(const RecordData &Record, unsigned &Idx) {
- DeclarationName::NameKind Kind = (DeclarationName::NameKind)Record[Idx++];
- switch (Kind) {
- case DeclarationName::Identifier:
- return DeclarationName(GetIdentifierInfo(Record, Idx));
-
- case DeclarationName::ObjCZeroArgSelector:
- case DeclarationName::ObjCOneArgSelector:
- case DeclarationName::ObjCMultiArgSelector:
- return DeclarationName(GetSelector(Record, Idx));
-
- case DeclarationName::CXXConstructorName:
- return Context->DeclarationNames.getCXXConstructorName(
- Context->getCanonicalType(GetType(Record[Idx++])));
-
- case DeclarationName::CXXDestructorName:
- return Context->DeclarationNames.getCXXDestructorName(
- Context->getCanonicalType(GetType(Record[Idx++])));
-
- case DeclarationName::CXXConversionFunctionName:
- return Context->DeclarationNames.getCXXConversionFunctionName(
- Context->getCanonicalType(GetType(Record[Idx++])));
-
- case DeclarationName::CXXOperatorName:
- return Context->DeclarationNames.getCXXOperatorName(
- (OverloadedOperatorKind)Record[Idx++]);
-
- case DeclarationName::CXXLiteralOperatorName:
- return Context->DeclarationNames.getCXXLiteralOperatorName(
- GetIdentifierInfo(Record, Idx));
-
- case DeclarationName::CXXUsingDirective:
- return DeclarationName::getUsingDirectiveName();
- }
-
- // Required to silence GCC warning
- return DeclarationName();
-}
-
-TemplateName
-PCHReader::ReadTemplateName(const RecordData &Record, unsigned &Idx) {
- TemplateName::NameKind Kind = (TemplateName::NameKind)Record[Idx++];
- switch (Kind) {
- case TemplateName::Template:
- return TemplateName(cast_or_null<TemplateDecl>(GetDecl(Record[Idx++])));
-
- case TemplateName::OverloadedTemplate: {
- unsigned size = Record[Idx++];
- UnresolvedSet<8> Decls;
- while (size--)
- Decls.addDecl(cast<NamedDecl>(GetDecl(Record[Idx++])));
-
- return Context->getOverloadedTemplateName(Decls.begin(), Decls.end());
- }
-
- case TemplateName::QualifiedTemplate: {
- NestedNameSpecifier *NNS = ReadNestedNameSpecifier(Record, Idx);
- bool hasTemplKeyword = Record[Idx++];
- TemplateDecl *Template = cast<TemplateDecl>(GetDecl(Record[Idx++]));
- return Context->getQualifiedTemplateName(NNS, hasTemplKeyword, Template);
- }
-
- case TemplateName::DependentTemplate: {
- NestedNameSpecifier *NNS = ReadNestedNameSpecifier(Record, Idx);
- if (Record[Idx++]) // isIdentifier
- return Context->getDependentTemplateName(NNS,
- GetIdentifierInfo(Record, Idx));
- return Context->getDependentTemplateName(NNS,
- (OverloadedOperatorKind)Record[Idx++]);
- }
- }
-
- assert(0 && "Unhandled template name kind!");
- return TemplateName();
-}
-
-TemplateArgument
-PCHReader::ReadTemplateArgument(llvm::BitstreamCursor &DeclsCursor,
- const RecordData &Record, unsigned &Idx) {
- switch ((TemplateArgument::ArgKind)Record[Idx++]) {
- case TemplateArgument::Null:
- return TemplateArgument();
- case TemplateArgument::Type:
- return TemplateArgument(GetType(Record[Idx++]));
- case TemplateArgument::Declaration:
- return TemplateArgument(GetDecl(Record[Idx++]));
- case TemplateArgument::Integral: {
- llvm::APSInt Value = ReadAPSInt(Record, Idx);
- QualType T = GetType(Record[Idx++]);
- return TemplateArgument(Value, T);
- }
- case TemplateArgument::Template:
- return TemplateArgument(ReadTemplateName(Record, Idx));
- case TemplateArgument::Expression:
- return TemplateArgument(ReadExpr(DeclsCursor));
- case TemplateArgument::Pack: {
- unsigned NumArgs = Record[Idx++];
- llvm::SmallVector<TemplateArgument, 8> Args;
- Args.reserve(NumArgs);
- while (NumArgs--)
- Args.push_back(ReadTemplateArgument(DeclsCursor, Record, Idx));
- TemplateArgument TemplArg;
- TemplArg.setArgumentPack(Args.data(), Args.size(), /*CopyArgs=*/true);
- return TemplArg;
- }
- }
-
- assert(0 && "Unhandled template argument kind!");
- return TemplateArgument();
-}
-
-TemplateParameterList *
-PCHReader::ReadTemplateParameterList(const RecordData &Record, unsigned &Idx) {
- SourceLocation TemplateLoc = ReadSourceLocation(Record, Idx);
- SourceLocation LAngleLoc = ReadSourceLocation(Record, Idx);
- SourceLocation RAngleLoc = ReadSourceLocation(Record, Idx);
-
- unsigned NumParams = Record[Idx++];
- llvm::SmallVector<NamedDecl *, 16> Params;
- Params.reserve(NumParams);
- while (NumParams--)
- Params.push_back(cast<NamedDecl>(GetDecl(Record[Idx++])));
-
- TemplateParameterList* TemplateParams =
- TemplateParameterList::Create(*Context, TemplateLoc, LAngleLoc,
- Params.data(), Params.size(), RAngleLoc);
- return TemplateParams;
-}
-
-void
-PCHReader::
-ReadTemplateArgumentList(llvm::SmallVector<TemplateArgument, 8> &TemplArgs,
- llvm::BitstreamCursor &DeclsCursor,
- const RecordData &Record, unsigned &Idx) {
- unsigned NumTemplateArgs = Record[Idx++];
- TemplArgs.reserve(NumTemplateArgs);
- while (NumTemplateArgs--)
- TemplArgs.push_back(ReadTemplateArgument(DeclsCursor, Record, Idx));
-}
-
-/// \brief Read a UnresolvedSet structure.
-void PCHReader::ReadUnresolvedSet(UnresolvedSetImpl &Set,
- const RecordData &Record, unsigned &Idx) {
- unsigned NumDecls = Record[Idx++];
- while (NumDecls--) {
- NamedDecl *D = cast<NamedDecl>(GetDecl(Record[Idx++]));
- AccessSpecifier AS = (AccessSpecifier)Record[Idx++];
- Set.addDecl(D, AS);
- }
-}
-
-CXXBaseSpecifier
-PCHReader::ReadCXXBaseSpecifier(llvm::BitstreamCursor &DeclsCursor,
- const RecordData &Record, unsigned &Idx) {
- bool isVirtual = static_cast<bool>(Record[Idx++]);
- bool isBaseOfClass = static_cast<bool>(Record[Idx++]);
- AccessSpecifier AS = static_cast<AccessSpecifier>(Record[Idx++]);
- TypeSourceInfo *TInfo = GetTypeSourceInfo(DeclsCursor, Record, Idx);
- SourceRange Range = ReadSourceRange(Record, Idx);
- return CXXBaseSpecifier(Range, isVirtual, isBaseOfClass, AS, TInfo);
-}
-
-std::pair<CXXBaseOrMemberInitializer **, unsigned>
-PCHReader::ReadCXXBaseOrMemberInitializers(llvm::BitstreamCursor &Cursor,
- const RecordData &Record,
- unsigned &Idx) {
- CXXBaseOrMemberInitializer **BaseOrMemberInitializers = 0;
- unsigned NumInitializers = Record[Idx++];
- if (NumInitializers) {
- ASTContext &C = *getContext();
-
- BaseOrMemberInitializers
- = new (C) CXXBaseOrMemberInitializer*[NumInitializers];
- for (unsigned i=0; i != NumInitializers; ++i) {
- TypeSourceInfo *BaseClassInfo = 0;
- bool IsBaseVirtual = false;
- FieldDecl *Member = 0;
-
- bool IsBaseInitializer = Record[Idx++];
- if (IsBaseInitializer) {
- BaseClassInfo = GetTypeSourceInfo(Cursor, Record, Idx);
- IsBaseVirtual = Record[Idx++];
- } else {
- Member = cast<FieldDecl>(GetDecl(Record[Idx++]));
- }
- SourceLocation MemberLoc = ReadSourceLocation(Record, Idx);
- Expr *Init = ReadExpr(Cursor);
- FieldDecl *AnonUnionMember
- = cast_or_null<FieldDecl>(GetDecl(Record[Idx++]));
- SourceLocation LParenLoc = ReadSourceLocation(Record, Idx);
- SourceLocation RParenLoc = ReadSourceLocation(Record, Idx);
- bool IsWritten = Record[Idx++];
- unsigned SourceOrderOrNumArrayIndices;
- llvm::SmallVector<VarDecl *, 8> Indices;
- if (IsWritten) {
- SourceOrderOrNumArrayIndices = Record[Idx++];
- } else {
- SourceOrderOrNumArrayIndices = Record[Idx++];
- Indices.reserve(SourceOrderOrNumArrayIndices);
- for (unsigned i=0; i != SourceOrderOrNumArrayIndices; ++i)
- Indices.push_back(cast<VarDecl>(GetDecl(Record[Idx++])));
- }
-
- CXXBaseOrMemberInitializer *BOMInit;
- if (IsBaseInitializer) {
- BOMInit = new (C) CXXBaseOrMemberInitializer(C, BaseClassInfo,
- IsBaseVirtual, LParenLoc,
- Init, RParenLoc);
- } else if (IsWritten) {
- BOMInit = new (C) CXXBaseOrMemberInitializer(C, Member, MemberLoc,
- LParenLoc, Init, RParenLoc);
- } else {
- BOMInit = CXXBaseOrMemberInitializer::Create(C, Member, MemberLoc,
- LParenLoc, Init, RParenLoc,
- Indices.data(),
- Indices.size());
- }
-
- BOMInit->setAnonUnionMember(AnonUnionMember);
- BaseOrMemberInitializers[i] = BOMInit;
- }
- }
-
- return std::make_pair(BaseOrMemberInitializers, NumInitializers);
-}
-
-NestedNameSpecifier *
-PCHReader::ReadNestedNameSpecifier(const RecordData &Record, unsigned &Idx) {
- unsigned N = Record[Idx++];
- NestedNameSpecifier *NNS = 0, *Prev = 0;
- for (unsigned I = 0; I != N; ++I) {
- NestedNameSpecifier::SpecifierKind Kind
- = (NestedNameSpecifier::SpecifierKind)Record[Idx++];
- switch (Kind) {
- case NestedNameSpecifier::Identifier: {
- IdentifierInfo *II = GetIdentifierInfo(Record, Idx);
- NNS = NestedNameSpecifier::Create(*Context, Prev, II);
- break;
- }
-
- case NestedNameSpecifier::Namespace: {
- NamespaceDecl *NS = cast<NamespaceDecl>(GetDecl(Record[Idx++]));
- NNS = NestedNameSpecifier::Create(*Context, Prev, NS);
- break;
- }
-
- case NestedNameSpecifier::TypeSpec:
- case NestedNameSpecifier::TypeSpecWithTemplate: {
- Type *T = GetType(Record[Idx++]).getTypePtr();
- bool Template = Record[Idx++];
- NNS = NestedNameSpecifier::Create(*Context, Prev, Template, T);
- break;
- }
-
- case NestedNameSpecifier::Global: {
- NNS = NestedNameSpecifier::GlobalSpecifier(*Context);
- // No associated value, and there can't be a prefix.
- break;
- }
- }
- Prev = NNS;
- }
- return NNS;
-}
-
-SourceRange
-PCHReader::ReadSourceRange(const RecordData &Record, unsigned &Idx) {
- SourceLocation beg = SourceLocation::getFromRawEncoding(Record[Idx++]);
- SourceLocation end = SourceLocation::getFromRawEncoding(Record[Idx++]);
- return SourceRange(beg, end);
-}
-
-/// \brief Read an integral value
-llvm::APInt PCHReader::ReadAPInt(const RecordData &Record, unsigned &Idx) {
- unsigned BitWidth = Record[Idx++];
- unsigned NumWords = llvm::APInt::getNumWords(BitWidth);
- llvm::APInt Result(BitWidth, NumWords, &Record[Idx]);
- Idx += NumWords;
- return Result;
-}
-
-/// \brief Read a signed integral value
-llvm::APSInt PCHReader::ReadAPSInt(const RecordData &Record, unsigned &Idx) {
- bool isUnsigned = Record[Idx++];
- return llvm::APSInt(ReadAPInt(Record, Idx), isUnsigned);
-}
-
-/// \brief Read a floating-point value
-llvm::APFloat PCHReader::ReadAPFloat(const RecordData &Record, unsigned &Idx) {
- return llvm::APFloat(ReadAPInt(Record, Idx));
-}
-
-// \brief Read a string
-std::string PCHReader::ReadString(const RecordData &Record, unsigned &Idx) {
- unsigned Len = Record[Idx++];
- std::string Result(Record.data() + Idx, Record.data() + Idx + Len);
- Idx += Len;
- return Result;
-}
-
-CXXTemporary *PCHReader::ReadCXXTemporary(const RecordData &Record,
- unsigned &Idx) {
- CXXDestructorDecl *Decl = cast<CXXDestructorDecl>(GetDecl(Record[Idx++]));
- return CXXTemporary::Create(*Context, Decl);
-}
-
-DiagnosticBuilder PCHReader::Diag(unsigned DiagID) {
- return Diag(SourceLocation(), DiagID);
-}
-
-DiagnosticBuilder PCHReader::Diag(SourceLocation Loc, unsigned DiagID) {
- return Diags.Report(FullSourceLoc(Loc, SourceMgr), DiagID);
-}
-
-/// \brief Retrieve the identifier table associated with the
-/// preprocessor.
-IdentifierTable &PCHReader::getIdentifierTable() {
- assert(PP && "Forgot to set Preprocessor ?");
- return PP->getIdentifierTable();
-}
-
-/// \brief Record that the given ID maps to the given switch-case
-/// statement.
-void PCHReader::RecordSwitchCaseID(SwitchCase *SC, unsigned ID) {
- assert(SwitchCaseStmts[ID] == 0 && "Already have a SwitchCase with this ID");
- SwitchCaseStmts[ID] = SC;
-}
-
-/// \brief Retrieve the switch-case statement with the given ID.
-SwitchCase *PCHReader::getSwitchCaseWithID(unsigned ID) {
- assert(SwitchCaseStmts[ID] != 0 && "No SwitchCase with this ID");
- return SwitchCaseStmts[ID];
-}
-
-/// \brief Record that the given label statement has been
-/// deserialized and has the given ID.
-void PCHReader::RecordLabelStmt(LabelStmt *S, unsigned ID) {
- assert(LabelStmts.find(ID) == LabelStmts.end() &&
- "Deserialized label twice");
- LabelStmts[ID] = S;
-
- // If we've already seen any goto statements that point to this
- // label, resolve them now.
- typedef std::multimap<unsigned, GotoStmt *>::iterator GotoIter;
- std::pair<GotoIter, GotoIter> Gotos = UnresolvedGotoStmts.equal_range(ID);
- for (GotoIter Goto = Gotos.first; Goto != Gotos.second; ++Goto)
- Goto->second->setLabel(S);
- UnresolvedGotoStmts.erase(Gotos.first, Gotos.second);
-
- // If we've already seen any address-label statements that point to
- // this label, resolve them now.
- typedef std::multimap<unsigned, AddrLabelExpr *>::iterator AddrLabelIter;
- std::pair<AddrLabelIter, AddrLabelIter> AddrLabels
- = UnresolvedAddrLabelExprs.equal_range(ID);
- for (AddrLabelIter AddrLabel = AddrLabels.first;
- AddrLabel != AddrLabels.second; ++AddrLabel)
- AddrLabel->second->setLabel(S);
- UnresolvedAddrLabelExprs.erase(AddrLabels.first, AddrLabels.second);
-}
-
-/// \brief Set the label of the given statement to the label
-/// identified by ID.
-///
-/// Depending on the order in which the label and other statements
-/// referencing that label occur, this operation may complete
-/// immediately (updating the statement) or it may queue the
-/// statement to be back-patched later.
-void PCHReader::SetLabelOf(GotoStmt *S, unsigned ID) {
- std::map<unsigned, LabelStmt *>::iterator Label = LabelStmts.find(ID);
- if (Label != LabelStmts.end()) {
- // We've already seen this label, so set the label of the goto and
- // we're done.
- S->setLabel(Label->second);
- } else {
- // We haven't seen this label yet, so add this goto to the set of
- // unresolved goto statements.
- UnresolvedGotoStmts.insert(std::make_pair(ID, S));
- }
-}
-
-/// \brief Set the label of the given expression to the label
-/// identified by ID.
-///
-/// Depending on the order in which the label and other statements
-/// referencing that label occur, this operation may complete
-/// immediately (updating the statement) or it may queue the
-/// statement to be back-patched later.
-void PCHReader::SetLabelOf(AddrLabelExpr *S, unsigned ID) {
- std::map<unsigned, LabelStmt *>::iterator Label = LabelStmts.find(ID);
- if (Label != LabelStmts.end()) {
- // We've already seen this label, so set the label of the
- // label-address expression and we're done.
- S->setLabel(Label->second);
- } else {
- // We haven't seen this label yet, so add this label-address
- // expression to the set of unresolved label-address expressions.
- UnresolvedAddrLabelExprs.insert(std::make_pair(ID, S));
- }
-}
-
-void PCHReader::FinishedDeserializing() {
- assert(NumCurrentElementsDeserializing &&
- "FinishedDeserializing not paired with StartedDeserializing");
- if (NumCurrentElementsDeserializing == 1) {
- // If any identifiers with corresponding top-level declarations have
- // been loaded, load those declarations now.
- while (!PendingIdentifierInfos.empty()) {
- SetGloballyVisibleDecls(PendingIdentifierInfos.front().II,
- PendingIdentifierInfos.front().DeclIDs, true);
- PendingIdentifierInfos.pop_front();
- }
-
- // We are not in recursive loading, so it's safe to pass the "interesting"
- // decls to the consumer.
- if (Consumer)
- PassInterestingDeclsToConsumer();
- }
- --NumCurrentElementsDeserializing;
-}
diff --git a/clang/lib/Frontend/PCHReaderDecl.cpp b/clang/lib/Frontend/PCHReaderDecl.cpp
deleted file mode 100644
index aa5ce7aad6a..00000000000
--- a/clang/lib/Frontend/PCHReaderDecl.cpp
+++ /dev/null
@@ -1,1600 +0,0 @@
-//===--- PCHReaderDecl.cpp - Decl Deserialization ---------------*- C++ -*-===//
-//
-// The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-//
-// This file implements the PCHReader::ReadDeclRecord method, which is the
-// entrypoint for loading a decl.
-//
-//===----------------------------------------------------------------------===//
-
-#include "clang/Frontend/PCHReader.h"
-#include "clang/AST/ASTConsumer.h"
-#include "clang/AST/ASTContext.h"
-#include "clang/AST/DeclVisitor.h"
-#include "clang/AST/DeclGroup.h"
-#include "clang/AST/DeclCXX.h"
-#include "clang/AST/DeclTemplate.h"
-#include "clang/AST/Expr.h"
-using namespace clang;
-
-
-//===----------------------------------------------------------------------===//
-// Declaration deserialization
-//===----------------------------------------------------------------------===//
-
-namespace clang {
- class PCHDeclReader : public DeclVisitor<PCHDeclReader, void> {
- PCHReader &Reader;
- llvm::BitstreamCursor &Cursor;
- const pch::DeclID ThisDeclID;
- const PCHReader::RecordData &Record;
- unsigned &Idx;
- pch::TypeID TypeIDForTypeDecl;
-
- uint64_t GetCurrentCursorOffset();
-
- public:
- PCHDeclReader(PCHReader &Reader, llvm::BitstreamCursor &Cursor,
- pch::DeclID thisDeclID, const PCHReader::RecordData &Record,
- unsigned &Idx)
- : Reader(Reader), Cursor(Cursor), ThisDeclID(thisDeclID), Record(Record),
- Idx(Idx), TypeIDForTypeDecl(0) { }
-
- void Visit(Decl *D);
-
- void VisitDecl(Decl *D);
- void VisitTranslationUnitDecl(TranslationUnitDecl *TU);
- void VisitNamedDecl(NamedDecl *ND);
- void VisitNamespaceDecl(NamespaceDecl *D);
- void VisitUsingDirectiveDecl(UsingDirectiveDecl *D);
- void VisitNamespaceAliasDecl(NamespaceAliasDecl *D);
- void VisitTypeDecl(TypeDecl *TD);
- void VisitTypedefDecl(TypedefDecl *TD);
- void VisitUnresolvedUsingTypenameDecl(UnresolvedUsingTypenameDecl *D);
- void VisitTagDecl(TagDecl *TD);
- void VisitEnumDecl(EnumDecl *ED);
- void VisitRecordDecl(RecordDecl *RD);
- void VisitCXXRecordDecl(CXXRecordDecl *D);
- void VisitClassTemplateSpecializationDecl(
- ClassTemplateSpecializationDecl *D);
- void VisitClassTemplatePartialSpecializationDecl(
- ClassTemplatePartialSpecializationDecl *D);
- void VisitTemplateTypeParmDecl(TemplateTypeParmDecl *D);
- void VisitValueDecl(ValueDecl *VD);
- void VisitEnumConstantDecl(EnumConstantDecl *ECD);
- void VisitUnresolvedUsingValueDecl(UnresolvedUsingValueDecl *D);
- void VisitDeclaratorDecl(DeclaratorDecl *DD);
- void VisitFunctionDecl(FunctionDecl *FD);
- void VisitCXXMethodDecl(CXXMethodDecl *D);
- void VisitCXXConstructorDecl(CXXConstructorDecl *D);
- void VisitCXXDestructorDecl(CXXDestructorDecl *D);
- void VisitCXXConversionDecl(CXXConversionDecl *D);
- void VisitFieldDecl(FieldDecl *FD);
- void VisitVarDecl(VarDecl *VD);
- void VisitImplicitParamDecl(ImplicitParamDecl *PD);
- void VisitParmVarDecl(ParmVarDecl *PD);
- void VisitNonTypeTemplateParmDecl(NonTypeTemplateParmDecl *D);
- void VisitTemplateDecl(TemplateDecl *D);
- void VisitRedeclarableTemplateDecl(RedeclarableTemplateDecl *D);
- void VisitClassTemplateDecl(ClassTemplateDecl *D);
- void VisitFunctionTemplateDecl(FunctionTemplateDecl *D);
- void VisitTemplateTemplateParmDecl(TemplateTemplateParmDecl *D);
- void VisitUsingDecl(UsingDecl *D);
- void VisitUsingShadowDecl(UsingShadowDecl *D);
- void VisitLinkageSpecDecl(LinkageSpecDecl *D);
- void VisitFileScopeAsmDecl(FileScopeAsmDecl *AD);
- void VisitAccessSpecDecl(AccessSpecDecl *D);
- void VisitFriendDecl(FriendDecl *D);
- void VisitFriendTemplateDecl(FriendTemplateDecl *D);
- void VisitStaticAssertDecl(StaticAssertDecl *D);
- void VisitBlockDecl(BlockDecl *BD);
-
- std::pair<uint64_t, uint64_t> VisitDeclContext(DeclContext *DC);
- template <typename T> void VisitRedeclarable(Redeclarable<T> *D);
-
- // FIXME: Reorder according to DeclNodes.td?
- void VisitObjCMethodDecl(ObjCMethodDecl *D);
- void VisitObjCContainerDecl(ObjCContainerDecl *D);
- void VisitObjCInterfaceDecl(ObjCInterfaceDecl *D);
- void VisitObjCIvarDecl(ObjCIvarDecl *D);
- void VisitObjCProtocolDecl(ObjCProtocolDecl *D);
- void VisitObjCAtDefsFieldDecl(ObjCAtDefsFieldDecl *D);
- void VisitObjCClassDecl(ObjCClassDecl *D);
- void VisitObjCForwardProtocolDecl(ObjCForwardProtocolDecl *D);
- void VisitObjCCategoryDecl(ObjCCategoryDecl *D);
- void VisitObjCImplDecl(ObjCImplDecl *D);
- void VisitObjCCategoryImplDecl(ObjCCategoryImplDecl *D);
- void VisitObjCImplementationDecl(ObjCImplementationDecl *D);
- void VisitObjCCompatibleAliasDecl(ObjCCompatibleAliasDecl *D);
- void VisitObjCPropertyDecl(ObjCPropertyDecl *D);
- void VisitObjCPropertyImplDecl(ObjCPropertyImplDecl *D);
- };
-}
-
-uint64_t PCHDeclReader::GetCurrentCursorOffset() {
- uint64_t Off = 0;
- for (unsigned I = 0, N = Reader.Chain.size(); I != N; ++I) {
- PCHReader::PerFileData &F = *Reader.Chain[N - I - 1];
- if (&Cursor == &F.DeclsCursor) {
- Off += F.DeclsCursor.GetCurrentBitNo();
- break;
- }
- Off += F.SizeInBits;
- }
- return Off;
-}
-
-void PCHDeclReader::Visit(Decl *D) {
- DeclVisitor<PCHDeclReader, void>::Visit(D);
-
- if (TypeDecl *TD = dyn_cast<TypeDecl>(D)) {
- // if we have a fully initialized TypeDecl, we can safely read its type now.
- TD->setTypeForDecl(Reader.GetType(TypeIDForTypeDecl).getTypePtr());
- } else if (FunctionDecl *FD = dyn_cast<FunctionDecl>(D)) {
- // FunctionDecl's body was written last after all other Stmts/Exprs.
- if (Record[Idx++])
- FD->setLazyBody(GetCurrentCursorOffset());
- }
-}
-
-void PCHDeclReader::VisitDecl(Decl *D) {
- D->setDeclContext(cast_or_null<DeclContext>(Reader.GetDecl(Record[Idx++])));
- D->setLexicalDeclContext(
- cast_or_null<DeclContext>(Reader.GetDecl(Record[Idx++])));
- D->setLocation(SourceLocation::getFromRawEncoding(Record[Idx++]));
- D->setInvalidDecl(Record[Idx++]);
- if (Record[Idx++])
- D->initAttrs(Reader.ReadAttributes(Cursor));
- D->setImplicit(Record[Idx++]);
- D->setUsed(Record[Idx++]);
- D->setAccess((AccessSpecifier)Record[Idx++]);
- D->setPCHLevel(Record[Idx++] + 1);
-}
-
-void PCHDeclReader::VisitTranslationUnitDecl(TranslationUnitDecl *TU) {
- VisitDecl(TU);
- TU->setAnonymousNamespace(
- cast_or_null<NamespaceDecl>(Reader.GetDecl(Record[Idx++])));
-}
-
-void PCHDeclReader::VisitNamedDecl(NamedDecl *ND) {
- VisitDecl(ND);
- ND->setDeclName(Reader.ReadDeclarationName(Record, Idx));
-}
-
-void PCHDeclReader::VisitTypeDecl(TypeDecl *TD) {
- VisitNamedDecl(TD);
- // Delay type reading until after we have fully initialized the decl.
- TypeIDForTypeDecl = Record[Idx++];
-}
-
-void PCHDeclReader::VisitTypedefDecl(TypedefDecl *TD) {
- VisitTypeDecl(TD);
- TD->setTypeSourceInfo(Reader.GetTypeSourceInfo(Cursor, Record, Idx));
-}
-
-void PCHDeclReader::VisitTagDecl(TagDecl *TD) {
- VisitTypeDecl(TD);
- TD->IdentifierNamespace = Record[Idx++];
- VisitRedeclarable(TD);
- TD->setTagKind((TagDecl::TagKind)Record[Idx++]);
- TD->setDefinition(Record[Idx++]);
- TD->setEmbeddedInDeclarator(Record[Idx++]);
- TD->setRBraceLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
- TD->setTagKeywordLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
- // FIXME: maybe read optional qualifier and its range.
- TD->setTypedefForAnonDecl(
- cast_or_null<TypedefDecl>(Reader.GetDecl(Record[Idx++])));
-}
-
-void PCHDeclReader::VisitEnumDecl(EnumDecl *ED) {
- VisitTagDecl(ED);
- ED->setIntegerType(Reader.GetType(Record[Idx++]));
- ED->setPromotionType(Reader.GetType(Record[Idx++]));
- ED->setNumPositiveBits(Record[Idx++]);
- ED->setNumNegativeBits(Record[Idx++]);
- ED->setInstantiationOfMemberEnum(
- cast_or_null<EnumDecl>(Reader.GetDecl(Record[Idx++])));
-}
-
-void PCHDeclReader::VisitRecordDecl(RecordDecl *RD) {
- VisitTagDecl(RD);
- RD->setHasFlexibleArrayMember(Record[Idx++]);
- RD->setAnonymousStructOrUnion(Record[Idx++]);
- RD->setHasObjectMember(Record[Idx++]);
-}
-
-void PCHDeclReader::VisitValueDecl(ValueDecl *VD) {
- VisitNamedDecl(VD);
- VD->setType(Reader.GetType(Record[Idx++]));
-}
-
-void PCHDeclReader::VisitEnumConstantDecl(EnumConstantDecl *ECD) {
- VisitValueDecl(ECD);
- if (Record[Idx++])
- ECD->setInitExpr(Reader.ReadExpr(Cursor));
- ECD->setInitVal(Reader.ReadAPSInt(Record, Idx));
-}
-
-void PCHDeclReader::VisitDeclaratorDecl(DeclaratorDecl *DD) {
- VisitValueDecl(DD);
- TypeSourceInfo *TInfo = Reader.GetTypeSourceInfo(Cursor, Record, Idx);
- if (TInfo)
- DD->setTypeSourceInfo(TInfo);
- // FIXME: read optional qualifier and its range.
-}
-
-void PCHDeclReader::VisitFunctionDecl(FunctionDecl *FD) {
- VisitDeclaratorDecl(FD);
- // FIXME: read DeclarationNameLoc.
-
- FD->IdentifierNamespace = Record[Idx++];
- switch ((FunctionDecl::TemplatedKind)Record[Idx++]) {
- default: assert(false && "Unhandled TemplatedKind!");
- break;
- case FunctionDecl::TK_NonTemplate:
- break;
- case FunctionDecl::TK_FunctionTemplate:
- FD->setDescribedFunctionTemplate(
- cast<FunctionTemplateDecl>(Reader.GetDecl(Record[Idx++])));
- break;
- case FunctionDecl::TK_MemberSpecialization: {
- FunctionDecl *InstFD = cast<FunctionDecl>(Reader.GetDecl(Record[Idx++]));
- TemplateSpecializationKind TSK = (TemplateSpecializationKind)Record[Idx++];
- SourceLocation POI = Reader.ReadSourceLocation(Record, Idx);
- FD->setInstantiationOfMemberFunction(InstFD, TSK);
- FD->getMemberSpecializationInfo()->setPointOfInstantiation(POI);
- break;
- }
- case FunctionDecl::TK_FunctionTemplateSpecialization: {
- FunctionTemplateDecl *Template
- = cast<FunctionTemplateDecl>(Reader.GetDecl(Record[Idx++]));
- TemplateSpecializationKind TSK = (TemplateSpecializationKind)Record[Idx++];
-
- // Template arguments.
- llvm::SmallVector<TemplateArgument, 8> TemplArgs;
- Reader.ReadTemplateArgumentList(TemplArgs, Cursor, Record, Idx);
-
- // Template args as written.
- llvm::SmallVector<TemplateArgumentLoc, 8> TemplArgLocs;
- SourceLocation LAngleLoc, RAngleLoc;
- if (Record[Idx++]) { // TemplateArgumentsAsWritten != 0
- unsigned NumTemplateArgLocs = Record[Idx++];
- TemplArgLocs.reserve(NumTemplateArgLocs);
- for (unsigned i=0; i != NumTemplateArgLocs; ++i)
- TemplArgLocs.push_back(
- Reader.ReadTemplateArgumentLoc(Cursor, Record, Idx));
-
- LAngleLoc = Reader.ReadSourceLocation(Record, Idx);
- RAngleLoc = Reader.ReadSourceLocation(Record, Idx);
- }
-
- SourceLocation POI = Reader.ReadSourceLocation(Record, Idx);
-
- if (FD->isCanonicalDecl()) // if canonical add to template's set.
- FD->setFunctionTemplateSpecialization(Template, TemplArgs.size(),
- TemplArgs.data(), TSK,
- TemplArgLocs.size(),
- TemplArgLocs.data(),
- LAngleLoc, RAngleLoc, POI);
- break;
- }
- case FunctionDecl::TK_DependentFunctionTemplateSpecialization: {
- // Templates.
- UnresolvedSet<8> TemplDecls;
- unsigned NumTemplates = Record[Idx++];
- while (NumTemplates--)
- TemplDecls.addDecl(cast<NamedDecl>(Reader.GetDecl(Record[Idx++])));
-
- // Templates args.
- TemplateArgumentListInfo TemplArgs;
- unsigned NumArgs = Record[Idx++];
- while (NumArgs--)
- TemplArgs.addArgument(Reader.ReadTemplateArgumentLoc(Cursor,Record, Idx));
- TemplArgs.setLAngleLoc(Reader.ReadSourceLocation(Record, Idx));
- TemplArgs.setRAngleLoc(Reader.ReadSourceLocation(Record, Idx));
-
- FD->setDependentTemplateSpecialization(*Reader.getContext(),
- TemplDecls, TemplArgs);
- break;
- }
- }
-
- // FunctionDecl's body is handled last at PCHReaderDecl::Visit,
- // after everything else is read.
-
- VisitRedeclarable(FD);
- FD->setStorageClass((FunctionDecl::StorageClass)Record[Idx++]);
- FD->setStorageClassAsWritten((FunctionDecl::StorageClass)Record[Idx++]);
- FD->setInlineSpecified(Record[Idx++]);
- FD->setVirtualAsWritten(Record[Idx++]);
- FD->setPure(Record[Idx++]);
- FD->setHasInheritedPrototype(Record[Idx++]);
- FD->setHasWrittenPrototype(Record[Idx++]);
- FD->setDeleted(Record[Idx++]);
- FD->setTrivial(Record[Idx++]);
- FD->setCopyAssignment(Record[Idx++]);
- FD->setHasImplicitReturnZero(Record[Idx++]);
- FD->setLocEnd(SourceLocation::getFromRawEncoding(Record[Idx++]));
-
- // Read in the parameters.
- unsigned NumParams = Record[Idx++];
- llvm::SmallVector<ParmVarDecl *, 16> Params;
- Params.reserve(NumParams);
- for (unsigned I = 0; I != NumParams; ++I)
- Params.push_back(cast<ParmVarDecl>(Reader.GetDecl(Record[Idx++])));
- FD->setParams(Params.data(), NumParams);
-}
-
-void PCHDeclReader::VisitObjCMethodDecl(ObjCMethodDecl *MD) {
- VisitNamedDecl(MD);
- if (Record[Idx++]) {
- // In practice, this won't be executed (since method definitions
- // don't occur in header files).
- MD->setBody(Reader.ReadStmt(Cursor));
- MD->setSelfDecl(cast<ImplicitParamDecl>(Reader.GetDecl(Record[Idx++])));
- MD->setCmdDecl(cast<ImplicitParamDecl>(Reader.GetDecl(Record[Idx++])));
- }
- MD->setInstanceMethod(Record[Idx++]);
- MD->setVariadic(Record[Idx++]);
- MD->setSynthesized(Record[Idx++]);
- MD->setDefined(Record[Idx++]);
- MD->setDeclImplementation((ObjCMethodDecl::ImplementationControl)Record[Idx++]);
- MD->setObjCDeclQualifier((Decl::ObjCDeclQualifier)Record[Idx++]);
- MD->setNumSelectorArgs(unsigned(Record[Idx++]));
- MD->setResultType(Reader.GetType(Record[Idx++]));
- MD->setResultTypeSourceInfo(Reader.GetTypeSourceInfo(Cursor, Record, Idx));
- MD->setEndLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
- unsigned NumParams = Record[Idx++];
- llvm::SmallVector<ParmVarDecl *, 16> Params;
- Params.reserve(NumParams);
- for (unsigned I = 0; I != NumParams; ++I)
- Params.push_back(cast<ParmVarDecl>(Reader.GetDecl(Record[Idx++])));
- MD->setMethodParams(*Reader.getContext(), Params.data(), NumParams,
- NumParams);
-}
-
-void PCHDeclReader::VisitObjCContainerDecl(ObjCContainerDecl *CD) {
- VisitNamedDecl(CD);
- SourceLocation A = SourceLocation::getFromRawEncoding(Record[Idx++]);
- SourceLocation B = SourceLocation::getFromRawEncoding(Record[Idx++]);
- CD->setAtEndRange(SourceRange(A, B));
-}
-
-void PCHDeclReader::VisitObjCInterfaceDecl(ObjCInterfaceDecl *ID) {
- VisitObjCContainerDecl(ID);
- ID->setTypeForDecl(Reader.GetType(Record[Idx++]).getTypePtr());
- ID->setSuperClass(cast_or_null<ObjCInterfaceDecl>
- (Reader.GetDecl(Record[Idx++])));
- unsigned NumProtocols = Record[Idx++];
- llvm::SmallVector<ObjCProtocolDecl *, 16> Protocols;
- Protocols.reserve(NumProtocols);
- for (unsigned I = 0; I != NumProtocols; ++I)
- Protocols.push_back(cast<ObjCProtocolDecl>(Reader.GetDecl(Record[Idx++])));
- llvm::SmallVector<SourceLocation, 16> ProtoLocs;
- ProtoLocs.reserve(NumProtocols);
- for (unsigned I = 0; I != NumProtocols; ++I)
- ProtoLocs.push_back(SourceLocation::getFromRawEncoding(Record[Idx++]));
- ID->setProtocolList(Protocols.data(), NumProtocols, ProtoLocs.data(),
- *Reader.getContext());
- unsigned NumIvars = Record[Idx++];
- llvm::SmallVector<ObjCIvarDecl *, 16> IVars;
- IVars.reserve(NumIvars);
- for (unsigned I = 0; I != NumIvars; ++I)
- IVars.push_back(cast<ObjCIvarDecl>(Reader.GetDecl(Record[Idx++])));
- ID->setCategoryList(
- cast_or_null<ObjCCategoryDecl>(Reader.GetDecl(Record[Idx++])));
- ID->setForwardDecl(Record[Idx++]);
- ID->setImplicitInterfaceDecl(Record[Idx++]);
- ID->setClassLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
- ID->setSuperClassLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
- ID->setLocEnd(SourceLocation::getFromRawEncoding(Record[Idx++]));
-}
-
-void PCHDeclReader::VisitObjCIvarDecl(ObjCIvarDecl *IVD) {
- VisitFieldDecl(IVD);
- IVD->setAccessControl((ObjCIvarDecl::AccessControl)Record[Idx++]);
- bool synth = Record[Idx++];
- IVD->setSynthesize(synth);
-}
-
-void PCHDeclReader::VisitObjCProtocolDecl(ObjCProtocolDecl *PD) {
- VisitObjCContainerDecl(PD);
- PD->setForwardDecl(Record[Idx++]);
- PD->setLocEnd(SourceLocation::getFromRawEncoding(Record[Idx++]));
- unsigned NumProtoRefs = Record[Idx++];
- llvm::SmallVector<ObjCProtocolDecl *, 16> ProtoRefs;
- ProtoRefs.reserve(NumProtoRefs);
- for (unsigned I = 0; I != NumProtoRefs; ++I)
- ProtoRefs.push_back(cast<ObjCProtocolDecl>(Reader.GetDecl(Record[Idx++])));
- llvm::SmallVector<SourceLocation, 16> ProtoLocs;
- ProtoLocs.reserve(NumProtoRefs);
- for (unsigned I = 0; I != NumProtoRefs; ++I)
- ProtoLocs.push_back(SourceLocation::getFromRawEncoding(Record[Idx++]));
- PD->setProtocolList(ProtoRefs.data(), NumProtoRefs, ProtoLocs.data(),
- *Reader.getContext());
-}
-
-void PCHDeclReader::VisitObjCAtDefsFieldDecl(ObjCAtDefsFieldDecl *FD) {
- VisitFieldDecl(FD);
-}
-
-void PCHDeclReader::VisitObjCClassDecl(ObjCClassDecl *CD) {
- VisitDecl(CD);
- unsigned NumClassRefs = Record[Idx++];
- llvm::SmallVector<ObjCInterfaceDecl *, 16> ClassRefs;
- ClassRefs.reserve(NumClassRefs);
- for (unsigned I = 0; I != NumClassRefs; ++I)
- ClassRefs.push_back(cast<ObjCInterfaceDecl>(Reader.GetDecl(Record[Idx++])));
- llvm::SmallVector<SourceLocation, 16> SLocs;
- SLocs.reserve(NumClassRefs);
- for (unsigned I = 0; I != NumClassRefs; ++I)
- SLocs.push_back(SourceLocation::getFromRawEncoding(Record[Idx++]));
- CD->setClassList(*Reader.getContext(), ClassRefs.data(), SLocs.data(),
- NumClassRefs);
-}
-
-void PCHDeclReader::VisitObjCForwardProtocolDecl(ObjCForwardProtocolDecl *FPD) {
- VisitDecl(FPD);
- unsigned NumProtoRefs = Record[Idx++];
- llvm::SmallVector<ObjCProtocolDecl *, 16> ProtoRefs;
- ProtoRefs.reserve(NumProtoRefs);
- for (unsigned I = 0; I != NumProtoRefs; ++I)
- ProtoRefs.push_back(cast<ObjCProtocolDecl>(Reader.GetDecl(Record[Idx++])));
- llvm::SmallVector<SourceLocation, 16> ProtoLocs;
- ProtoLocs.reserve(NumProtoRefs);
- for (unsigned I = 0; I != NumProtoRefs; ++I)
- ProtoLocs.push_back(SourceLocation::getFromRawEncoding(Record[Idx++]));
- FPD->setProtocolList(ProtoRefs.data(), NumProtoRefs, ProtoLocs.data(),
- *Reader.getContext());
-}
-
-void PCHDeclReader::VisitObjCCategoryDecl(ObjCCategoryDecl *CD) {
- VisitObjCContainerDecl(CD);
- CD->setClassInterface(cast<ObjCInterfaceDecl>(Reader.GetDecl(Record[Idx++])));
- unsigned NumProtoRefs = Record[Idx++];
- llvm::SmallVector<ObjCProtocolDecl *, 16> ProtoRefs;
- ProtoRefs.reserve(NumProtoRefs);
- for (unsigned I = 0; I != NumProtoRefs; ++I)
- ProtoRefs.push_back(cast<ObjCProtocolDecl>(Reader.GetDecl(Record[Idx++])));
- llvm::SmallVector<SourceLocation, 16> ProtoLocs;
- ProtoLocs.reserve(NumProtoRefs);
- for (unsigned I = 0; I != NumProtoRefs; ++I)
- ProtoLocs.push_back(SourceLocation::getFromRawEncoding(Record[Idx++]));
- CD->setProtocolList(ProtoRefs.data(), NumProtoRefs, ProtoLocs.data(),
- *Reader.getContext());
- CD->setNextClassCategory(cast_or_null<ObjCCategoryDecl>(Reader.GetDecl(Record[Idx++])));
- CD->setAtLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
- CD->setCategoryNameLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
-}
-
-void PCHDeclReader::VisitObjCCompatibleAliasDecl(ObjCCompatibleAliasDecl *CAD) {
- VisitNamedDecl(CAD);
- CAD->setClassInterface(cast<ObjCInterfaceDecl>(Reader.GetDecl(Record[Idx++])));
-}
-
-void PCHDeclReader::VisitObjCPropertyDecl(ObjCPropertyDecl *D) {
- VisitNamedDecl(D);
- D->setAtLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
- D->setType(Reader.GetTypeSourceInfo(Cursor, Record, Idx));
- // FIXME: stable encoding
- D->setPropertyAttributes(
- (ObjCPropertyDecl::PropertyAttributeKind)Record[Idx++]);
- D->setPropertyAttributesAsWritten(
- (ObjCPropertyDecl::PropertyAttributeKind)Record[Idx++]);
- // FIXME: stable encoding
- D->setPropertyImplementation(
- (ObjCPropertyDecl::PropertyControl)Record[Idx++]);
- D->setGetterName(Reader.ReadDeclarationName(Record, Idx).getObjCSelector());
- D->setSetterName(Reader.ReadDeclarationName(Record, Idx).getObjCSelector());
- D->setGetterMethodDecl(
- cast_or_null<ObjCMethodDecl>(Reader.GetDecl(Record[Idx++])));
- D->setSetterMethodDecl(
- cast_or_null<ObjCMethodDecl>(Reader.GetDecl(Record[Idx++])));
- D->setPropertyIvarDecl(
- cast_or_null<ObjCIvarDecl>(Reader.GetDecl(Record[Idx++])));
-}
-
-void PCHDeclReader::VisitObjCImplDecl(ObjCImplDecl *D) {
- VisitObjCContainerDecl(D);
- D->setClassInterface(
- cast_or_null<ObjCInterfaceDecl>(Reader.GetDecl(Record[Idx++])));
-}
-
-void PCHDeclReader::VisitObjCCategoryImplDecl(ObjCCategoryImplDecl *D) {
- VisitObjCImplDecl(D);
- D->setIdentifier(Reader.GetIdentifierInfo(Record, Idx));
-}
-
-void PCHDeclReader::VisitObjCImplementationDecl(ObjCImplementationDecl *D) {
- VisitObjCImplDecl(D);
- D->setSuperClass(
- cast_or_null<ObjCInterfaceDecl>(Reader.GetDecl(Record[Idx++])));
- llvm::tie(D->IvarInitializers, D->NumIvarInitializers)
- = Reader.ReadCXXBaseOrMemberInitializers(Cursor, Record, Idx);
-}
-
-
-void PCHDeclReader::VisitObjCPropertyImplDecl(ObjCPropertyImplDecl *D) {
- VisitDecl(D);
- D->setAtLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
- D->setPropertyDecl(
- cast_or_null<ObjCPropertyDecl>(Reader.GetDecl(Record[Idx++])));
- D->setPropertyIvarDecl(
- cast_or_null<ObjCIvarDecl>(Reader.GetDecl(Record[Idx++])));
- D->setGetterCXXConstructor(Reader.ReadExpr(Cursor));
- D->setSetterCXXAssignment(Reader.ReadExpr(Cursor));
-}
-
-void PCHDeclReader::VisitFieldDecl(FieldDecl *FD) {
- VisitDeclaratorDecl(FD);
- FD->setMutable(Record[Idx++]);
- if (Record[Idx++])
- FD->setBitWidth(Reader.ReadExpr(Cursor));
- if (!FD->getDeclName()) {
- FieldDecl *Tmpl = cast_or_null<FieldDecl>(Reader.GetDecl(Record[Idx++]));
- if (Tmpl)
- Reader.getContext()->setInstantiatedFromUnnamedFieldDecl(FD, Tmpl);
- }
-}
-
-void PCHDeclReader::VisitVarDecl(VarDecl *VD) {
- VisitDeclaratorDecl(VD);
- VD->setStorageClass((VarDecl::StorageClass)Record[Idx++]);
- VD->setStorageClassAsWritten((VarDecl::StorageClass)Record[Idx++]);
- VD->setThreadSpecified(Record[Idx++]);
- VD->setCXXDirectInitializer(Record[Idx++]);
- VD->setExceptionVariable(Record[Idx++]);
- VD->setNRVOVariable(Record[Idx++]);
- VisitRedeclarable(VD);
- if (Record[Idx++])
- VD->setInit(Reader.ReadExpr(Cursor));
-
- if (Record[Idx++]) { // HasMemberSpecializationInfo.
- VarDecl *Tmpl = cast<VarDecl>(Reader.GetDecl(Record[Idx++]));
- TemplateSpecializationKind TSK = (TemplateSpecializationKind)Record[Idx++];
- SourceLocation POI = Reader.ReadSourceLocation(Record, Idx);
- Reader.getContext()->setInstantiatedFromStaticDataMember(VD, Tmpl, TSK,POI);
- }
-}
-
-void PCHDeclReader::VisitImplicitParamDecl(ImplicitParamDecl *PD) {
- VisitVarDecl(PD);
-}
-
-void PCHDeclReader::VisitParmVarDecl(ParmVarDecl *PD) {
- VisitVarDecl(PD);
- PD->setObjCDeclQualifier((Decl::ObjCDeclQualifier)Record[Idx++]);
- PD->setHasInheritedDefaultArg(Record[Idx++]);
- if (Record[Idx++]) // hasUninstantiatedDefaultArg.
- PD->setUninstantiatedDefaultArg(Reader.ReadExpr(Cursor));
-}
-
-void PCHDeclReader::VisitFileScopeAsmDecl(FileScopeAsmDecl *AD) {
- VisitDecl(AD);
- AD->setAsmString(cast<StringLiteral>(Reader.ReadExpr(Cursor)));
-}
-
-void PCHDeclReader::VisitBlockDecl(BlockDecl *BD) {
- VisitDecl(BD);
- BD->setBody(cast_or_null<CompoundStmt>(Reader.ReadStmt(Cursor)));
- BD->setSignatureAsWritten(Reader.GetTypeSourceInfo(Cursor, Record, Idx));
- unsigned NumParams = Record[Idx++];
- llvm::SmallVector<ParmVarDecl *, 16> Params;
- Params.reserve(NumParams);
- for (unsigned I = 0; I != NumParams; ++I)
- Params.push_back(cast<ParmVarDecl>(Reader.GetDecl(Record[Idx++])));
- BD->setParams(Params.data(), NumParams);
-}
-
-void PCHDeclReader::VisitLinkageSpecDecl(LinkageSpecDecl *D) {
- VisitDecl(D);
- D->setLanguage((LinkageSpecDecl::LanguageIDs)Record[Idx++]);
- D->setHasBraces(Record[Idx++]);
-}
-
-void PCHDeclReader::VisitNamespaceDecl(NamespaceDecl *D) {
- VisitNamedDecl(D);
- D->setLBracLoc(Reader.ReadSourceLocation(Record, Idx));
- D->setRBracLoc(Reader.ReadSourceLocation(Record, Idx));
- D->setNextNamespace(
- cast_or_null<NamespaceDecl>(Reader.GetDecl(Record[Idx++])));
-
- bool IsOriginal = Record[Idx++];
- D->OrigOrAnonNamespace.setInt(IsOriginal);
- D->OrigOrAnonNamespace.setPointer(
- cast_or_null<NamespaceDecl>(Reader.GetDecl(Record[Idx++])));
-}
-
-void PCHDeclReader::VisitNamespaceAliasDecl(NamespaceAliasDecl *D) {
- VisitNamedDecl(D);
-
- D->setAliasLoc(Reader.ReadSourceLocation(Record, Idx));
- D->setQualifierRange(Reader.ReadSourceRange(Record, Idx));
- D->setQualifier(Reader.ReadNestedNameSpecifier(Record, Idx));
- D->setTargetNameLoc(Reader.ReadSourceLocation(Record, Idx));
- D->setAliasedNamespace(cast<NamedDecl>(Reader.GetDecl(Record[Idx++])));
-}
-
-void PCHDeclReader::VisitUsingDecl(UsingDecl *D) {
- VisitNamedDecl(D);
- D->setUsingLocation(Reader.ReadSourceLocation(Record, Idx));
- D->setNestedNameRange(Reader.ReadSourceRange(Record, Idx));
- D->setTargetNestedNameDecl(Reader.ReadNestedNameSpecifier(Record, Idx));
- // FIXME: read the DNLoc component.
-
- // FIXME: It would probably be more efficient to read these into a vector
- // and then re-cosntruct the shadow decl set over that vector since it
- // would avoid existence checks.
- unsigned NumShadows = Record[Idx++];
- for(unsigned I = 0; I != NumShadows; ++I) {
- // Avoid invariant checking of UsingDecl::addShadowDecl, the decl may still
- // be initializing.
- D->Shadows.insert(cast<UsingShadowDecl>(Reader.GetDecl(Record[Idx++])));
- }
- D->setTypeName(Record[Idx++]);
- NamedDecl *Pattern = cast_or_null<NamedDecl>(Reader.GetDecl(Record[Idx++]));
- if (Pattern)
- Reader.getContext()->setInstantiatedFromUsingDecl(D, Pattern);
-}
-
-void PCHDeclReader::VisitUsingShadowDecl(UsingShadowDecl *D) {
- VisitNamedDecl(D);
- D->setTargetDecl(cast<NamedDecl>(Reader.GetDecl(Record[Idx++])));
- D->setUsingDecl(cast<UsingDecl>(Reader.GetDecl(Record[Idx++])));
- UsingShadowDecl *Pattern
- = cast_or_null<UsingShadowDecl>(Reader.GetDecl(Record[Idx++]));
- if (Pattern)
- Reader.getContext()->setInstantiatedFromUsingShadowDecl(D, Pattern);
-}
-
-void PCHDeclReader::VisitUsingDirectiveDecl(UsingDirectiveDecl *D) {
- VisitNamedDecl(D);
- D->setNamespaceKeyLocation(Reader.ReadSourceLocation(Record, Idx));
- D->setQualifierRange(Reader.ReadSourceRange(Record, Idx));
- D->setQualifier(Reader.ReadNestedNameSpecifier(Record, Idx));
- D->setIdentLocation(Reader.ReadSourceLocation(Record, Idx));
- D->setNominatedNamespace(cast<NamedDecl>(Reader.GetDecl(Record[Idx++])));
- D->setCommonAncestor(cast_or_null<DeclContext>(
- Reader.GetDecl(Record[Idx++])));
-}
-
-void PCHDeclReader::VisitUnresolvedUsingValueDecl(UnresolvedUsingValueDecl *D) {
- VisitValueDecl(D);
- D->setTargetNestedNameRange(Reader.ReadSourceRange(Record, Idx));
- D->setUsingLoc(Reader.ReadSourceLocation(Record, Idx));
- D->setTargetNestedNameSpecifier(Reader.ReadNestedNameSpecifier(Record, Idx));
- // FIXME: read the DNLoc component.
-}
-
-void PCHDeclReader::VisitUnresolvedUsingTypenameDecl(
- UnresolvedUsingTypenameDecl *D) {
- VisitTypeDecl(D);
- D->setTargetNestedNameRange(Reader.ReadSourceRange(Record, Idx));
- D->setUsingLoc(Reader.ReadSourceLocation(Record, Idx));
- D->setTypenameLoc(Reader.ReadSourceLocation(Record, Idx));
- D->setTargetNestedNameSpecifier(Reader.ReadNestedNameSpecifier(Record, Idx));
-}
-
-void PCHDeclReader::VisitCXXRecordDecl(CXXRecordDecl *D) {
- ASTContext &C = *Reader.getContext();
-
- // We need to allocate the DefinitionData struct ahead of VisitRecordDecl
- // so that the other CXXRecordDecls can get a pointer even when the owner
- // is still initializing.
- bool OwnsDefinitionData = false;
- enum DataOwnership { Data_NoDefData, Data_Owner, Data_NotOwner };
- switch ((DataOwnership)Record[Idx++]) {
- default:
- assert(0 && "Out of sync with PCHDeclWriter or messed up reading");
- case Data_NoDefData:
- break;
- case Data_Owner:
- OwnsDefinitionData = true;
- D->DefinitionData = new (C) struct CXXRecordDecl::DefinitionData(D);
- break;
- case Data_NotOwner:
- D->DefinitionData
- = cast<CXXRecordDecl>(Reader.GetDecl(Record[Idx++]))->DefinitionData;
- break;
- }
-
- VisitRecordDecl(D);
-
- if (OwnsDefinitionData) {
- assert(D->DefinitionData);
- struct CXXRecordDecl::DefinitionData &Data = *D->DefinitionData;
-
- Data.UserDeclaredConstructor = Record[Idx++];
- Data.UserDeclaredCopyConstructor = Record[Idx++];
- Data.UserDeclaredCopyAssignment = Record[Idx++];
- Data.UserDeclaredDestructor = Record[Idx++];
- Data.Aggregate = Record[Idx++];
- Data.PlainOldData = Record[Idx++];
- Data.Empty = Record[Idx++];
- Data.Polymorphic = Record[Idx++];
- Data.Abstract = Record[Idx++];
- Data.HasTrivialConstructor = Record[Idx++];
- Data.HasTrivialCopyConstructor = Record[Idx++];
- Data.HasTrivialCopyAssignment = Record[Idx++];
- Data.HasTrivialDestructor = Record[Idx++];
- Data.ComputedVisibleConversions = Record[Idx++];
- Data.DeclaredDefaultConstructor = Record[Idx++];
- Data.DeclaredCopyConstructor = Record[Idx++];
- Data.DeclaredCopyAssignment = Record[Idx++];
- Data.DeclaredDestructor = Record[Idx++];
-
- // setBases() is unsuitable since it may try to iterate the bases of an
- // uninitialized base.
- Data.NumBases = Record[Idx++];
- Data.Bases = new(C) CXXBaseSpecifier [Data.NumBases];
- for (unsigned i = 0; i != Data.NumBases; ++i)
- Data.Bases[i] = Reader.ReadCXXBaseSpecifier(Cursor, Record, Idx);
-
- // FIXME: Make VBases lazily computed when needed to avoid storing them.
- Data.NumVBases = Record[Idx++];
- Data.VBases = new(C) CXXBaseSpecifier [Data.NumVBases];
- for (unsigned i = 0; i != Data.NumVBases; ++i)
- Data.VBases[i] = Reader.ReadCXXBaseSpecifier(Cursor, Record, Idx);
-
- Reader.ReadUnresolvedSet(Data.Conversions, Record, Idx);
- Reader.ReadUnresolvedSet(Data.VisibleConversions, Record, Idx);
- assert(Data.Definition && "Data.Definition should be already set!");
- Data.FirstFriend
- = cast_or_null<FriendDecl>(Reader.GetDecl(Record[Idx++]));
- }
-
- enum CXXRecKind {
- CXXRecNotTemplate = 0, CXXRecTemplate, CXXRecMemberSpecialization
- };
- switch ((CXXRecKind)Record[Idx++]) {
- default:
- assert(false && "Out of sync with PCHDeclWriter::VisitCXXRecordDecl?");
- case CXXRecNotTemplate:
- break;
- case CXXRecTemplate:
- D->setDescribedClassTemplate(
- cast<ClassTemplateDecl>(Reader.GetDecl(Record[Idx++])));
- break;
- case CXXRecMemberSpecialization: {
- CXXRecordDecl *RD = cast<CXXRecordDecl>(Reader.GetDecl(Record[Idx++]));
- TemplateSpecializationKind TSK = (TemplateSpecializationKind)Record[Idx++];
- SourceLocation POI = Reader.ReadSourceLocation(Record, Idx);
- D->setInstantiationOfMemberClass(RD, TSK);
- D->getMemberSpecializationInfo()->setPointOfInstantiation(POI);
- break;
- }
- }
-}
-
-void PCHDeclReader::VisitCXXMethodDecl(CXXMethodDecl *D) {
- VisitFunctionDecl(D);
- unsigned NumOverridenMethods = Record[Idx++];
- while (NumOverridenMethods--) {
- CXXMethodDecl *MD = cast<CXXMethodDecl>(Reader.GetDecl(Record[Idx++]));
- // Avoid invariant checking of CXXMethodDecl::addOverriddenMethod,
- // MD may be initializing.
- Reader.getContext()->addOverriddenMethod(D, MD);
- }
-}
-
-void PCHDeclReader::VisitCXXConstructorDecl(CXXConstructorDecl *D) {
- VisitCXXMethodDecl(D);
-
- D->IsExplicitSpecified = Record[Idx++];
- D->ImplicitlyDefined = Record[Idx++];
- llvm::tie(D->BaseOrMemberInitializers, D->NumBaseOrMemberInitializers)
- = Reader.ReadCXXBaseOrMemberInitializers(Cursor, Record, Idx);
-}
-
-void PCHDeclReader::VisitCXXDestructorDecl(CXXDestructorDecl *D) {
- VisitCXXMethodDecl(D);
-
- D->ImplicitlyDefined = Record[Idx++];
- D->OperatorDelete = cast_or_null<FunctionDecl>(Reader.GetDecl(Record[Idx++]));
-}
-
-void PCHDeclReader::VisitCXXConversionDecl(CXXConversionDecl *D) {
- VisitCXXMethodDecl(D);
- D->IsExplicitSpecified = Record[Idx++];
-}
-
-void PCHDeclReader::VisitAccessSpecDecl(AccessSpecDecl *D) {
- VisitDecl(D);
- D->setColonLoc(Reader.ReadSourceLocation(Record, Idx));
-}
-
-void PCHDeclReader::VisitFriendDecl(FriendDecl *D) {
- VisitDecl(D);
- if (Record[Idx++])
- D->Friend = Reader.GetTypeSourceInfo(Cursor, Record, Idx);
- else
- D->Friend = cast<NamedDecl>(Reader.GetDecl(Record[Idx++]));
- D->NextFriend = cast_or_null<FriendDecl>(Reader.GetDecl(Record[Idx++]));
- D->FriendLoc = Reader.ReadSourceLocation(Record, Idx);
-}
-
-void PCHDeclReader::VisitFriendTemplateDecl(FriendTemplateDecl *D) {
- VisitDecl(D);
- unsigned NumParams = Record[Idx++];
- D->NumParams = NumParams;
- D->Params = new TemplateParameterList*[NumParams];
- for (unsigned i = 0; i != NumParams; ++i)
- D->Params[i] = Reader.ReadTemplateParameterList(Record, Idx);
- if (Record[Idx++]) // HasFriendDecl
- D->Friend = cast<NamedDecl>(Reader.GetDecl(Record[Idx++]));
- else
- D->Friend = Reader.GetTypeSourceInfo(Cursor, Record, Idx);
- D->FriendLoc = Reader.ReadSourceLocation(Record, Idx);
-}
-
-void PCHDeclReader::VisitTemplateDecl(TemplateDecl *D) {
- VisitNamedDecl(D);
-
- NamedDecl *TemplatedDecl
- = cast_or_null<NamedDecl>(Reader.GetDecl(Record[Idx++]));
- TemplateParameterList* TemplateParams
- = Reader.ReadTemplateParameterList(Record, Idx);
- D->init(TemplatedDecl, TemplateParams);
-}
-
-void PCHDeclReader::VisitRedeclarableTemplateDecl(RedeclarableTemplateDecl *D) {
- VisitTemplateDecl(D);
-
- D->IdentifierNamespace = Record[Idx++];
- RedeclarableTemplateDecl *PrevDecl =
- cast_or_null<RedeclarableTemplateDecl>(Reader.GetDecl(Record[Idx++]));
- assert((PrevDecl == 0 || PrevDecl->getKind() == D->getKind()) &&
- "PrevDecl kind mismatch");
- if (PrevDecl)
- D->CommonOrPrev = PrevDecl;
- if (PrevDecl == 0) {
- if (RedeclarableTemplateDecl *RTD
- = cast_or_null<RedeclarableTemplateDecl>(Reader.GetDecl(Record[Idx++]))) {
- assert(RTD->getKind() == D->getKind() &&
- "InstantiatedFromMemberTemplate kind mismatch");
- D->setInstantiatedFromMemberTemplateImpl(RTD);
- if (Record[Idx++])
- D->setMemberSpecialization();
- }
-
- RedeclarableTemplateDecl *LatestDecl =
- cast_or_null<RedeclarableTemplateDecl>(Reader.GetDecl(Record[Idx++]));
-
- // This decl is a first one and the latest declaration that it points to is
- // in the same PCH. However, if this actually needs to point to a
- // redeclaration in another chained PCH, we need to update it by checking
- // the FirstLatestDeclIDs map which tracks this kind of decls.
- assert(Reader.GetDecl(ThisDeclID) == D && "Invalid ThisDeclID ?");
- PCHReader::FirstLatestDeclIDMap::iterator I
- = Reader.FirstLatestDeclIDs.find(ThisDeclID);
- if (I != Reader.FirstLatestDeclIDs.end()) {
- Decl *NewLatest = Reader.GetDecl(I->second);
- assert((LatestDecl->getLocation().isInvalid() ||
- NewLatest->getLocation().isInvalid() ||
- Reader.SourceMgr.isBeforeInTranslationUnit(
- LatestDecl->getLocation(),
- NewLatest->getLocation())) &&
- "The new latest is supposed to come after the previous latest");
- LatestDecl = cast<RedeclarableTemplateDecl>(NewLatest);
- }
-
- assert(LatestDecl->getKind() == D->getKind() && "Latest kind mismatch");
- D->getCommonPtr()->Latest = LatestDecl;
- }
-}
-
-void PCHDeclReader::VisitClassTemplateDecl(ClassTemplateDecl *D) {
- VisitRedeclarableTemplateDecl(D);
-
- if (D->getPreviousDeclaration() == 0) {
- // This ClassTemplateDecl owns a CommonPtr; read it.
-
- // FoldingSets are filled in VisitClassTemplateSpecializationDecl.
- unsigned size = Record[Idx++];
- while (size--)
- cast<ClassTemplateSpecializationDecl>(Reader.GetDecl(Record[Idx++]));
-
- size = Record[Idx++];
- while (size--)
- cast<ClassTemplatePartialSpecializationDecl>(
- Reader.GetDecl(Record[Idx++]));
-
- // InjectedClassNameType is computed.
- }
-}
-
-void PCHDeclReader::VisitClassTemplateSpecializationDecl(
- ClassTemplateSpecializationDecl *D) {
- VisitCXXRecordDecl(D);
-
- if (Decl *InstD = Reader.GetDecl(Record[Idx++])) {
- if (ClassTemplateDecl *CTD = dyn_cast<ClassTemplateDecl>(InstD)) {
- D->setInstantiationOf(CTD);
- } else {
- llvm::SmallVector<TemplateArgument, 8> TemplArgs;
- Reader.ReadTemplateArgumentList(TemplArgs, Cursor, Record, Idx);
- D->setInstantiationOf(cast<ClassTemplatePartialSpecializationDecl>(InstD),
- TemplArgs.data(), TemplArgs.size());
- }
- }
-
- // Explicit info.
- if (TypeSourceInfo *TyInfo = Reader.GetTypeSourceInfo(Cursor, Record, Idx)) {
- D->setTypeAsWritten(TyInfo);
- D->setExternLoc(Reader.ReadSourceLocation(Record, Idx));
- D->setTemplateKeywordLoc(Reader.ReadSourceLocation(Record, Idx));
- }
-
- llvm::SmallVector<TemplateArgument, 8> TemplArgs;
- Reader.ReadTemplateArgumentList(TemplArgs, Cursor, Record, Idx);
- D->initTemplateArgs(TemplArgs.data(), TemplArgs.size());
- SourceLocation POI = Reader.ReadSourceLocation(Record, Idx);
- if (POI.isValid())
- D->setPointOfInstantiation(POI);
- D->setSpecializationKind((TemplateSpecializationKind)Record[Idx++]);
-
- if (D->isCanonicalDecl()) { // It's kept in the folding set.
- ClassTemplateDecl *CanonPattern
- = cast<ClassTemplateDecl>(Reader.GetDecl(Record[Idx++]));
- if (ClassTemplatePartialSpecializationDecl *Partial
- = dyn_cast<ClassTemplatePartialSpecializationDecl>(D)) {
- CanonPattern->getPartialSpecializations().InsertNode(Partial);
- } else {
- CanonPattern->getSpecializations().InsertNode(D);
- }
- }
-}
-
-void PCHDeclReader::VisitClassTemplatePartialSpecializationDecl(
- ClassTemplatePartialSpecializationDecl *D) {
- VisitClassTemplateSpecializationDecl(D);
-
- D->initTemplateParameters(Reader.ReadTemplateParameterList(Record, Idx));
-
- TemplateArgumentListInfo ArgInfos;
- unsigned NumArgs = Record[Idx++];
- while (NumArgs--)
- ArgInfos.addArgument(Reader.ReadTemplateArgumentLoc(Cursor, Record, Idx));
- D->initTemplateArgsAsWritten(ArgInfos);
-
- D->setSequenceNumber(Record[Idx++]);
-
- // These are read/set from/to the first declaration.
- if (D->getPreviousDeclaration() == 0) {
- D->setInstantiatedFromMember(
- cast_or_null<ClassTemplatePartialSpecializationDecl>(
- Reader.GetDecl(Record[Idx++])));
- if (Record[Idx++])
- D->setMemberSpecialization();
- }
-}
-
-void PCHDeclReader::VisitFunctionTemplateDecl(FunctionTemplateDecl *D) {
- VisitRedeclarableTemplateDecl(D);
-
- if (D->getPreviousDeclaration() == 0) {
- // This FunctionTemplateDecl owns a CommonPtr; read it.
-
- // Read the function specialization declarations.
- // FunctionTemplateDecl's FunctionTemplateSpecializationInfos are filled
- // through the specialized FunctionDecl's setFunctionTemplateSpecialization.
- unsigned NumSpecs = Record[Idx++];
- while (NumSpecs--)
- Reader.GetDecl(Record[Idx++]);
- }
-}
-
-void PCHDeclReader::VisitTemplateTypeParmDecl(TemplateTypeParmDecl *D) {
- VisitTypeDecl(D);
-
- D->setDeclaredWithTypename(Record[Idx++]);
- D->setParameterPack(Record[Idx++]);
-
- bool Inherited = Record[Idx++];
- TypeSourceInfo *DefArg = Reader.GetTypeSourceInfo(Cursor, Record, Idx);
- D->setDefaultArgument(DefArg, Inherited);
-}
-
-void PCHDeclReader::VisitNonTypeTemplateParmDecl(NonTypeTemplateParmDecl *D) {
- VisitVarDecl(D);
- // TemplateParmPosition.
- D->setDepth(Record[Idx++]);
- D->setPosition(Record[Idx++]);
- // Rest of NonTypeTemplateParmDecl.
- if (Record[Idx++]) {
- Expr *DefArg = Reader.ReadExpr(Cursor);
- bool Inherited = Record[Idx++];
- D->setDefaultArgument(DefArg, Inherited);
- }
-}
-
-void PCHDeclReader::VisitTemplateTemplateParmDecl(TemplateTemplateParmDecl *D) {
- VisitTemplateDecl(D);
- // TemplateParmPosition.
- D->setDepth(Record[Idx++]);
- D->setPosition(Record[Idx++]);
- // Rest of TemplateTemplateParmDecl.
- TemplateArgumentLoc Arg = Reader.ReadTemplateArgumentLoc(Cursor, Record, Idx);
- bool IsInherited = Record[Idx++];
- D->setDefaultArgument(Arg, IsInherited);
-}
-
-void PCHDeclReader::VisitStaticAssertDecl(StaticAssertDecl *D) {
- VisitDecl(D);
- D->AssertExpr = Reader.ReadExpr(Cursor);
- D->Message = cast<StringLiteral>(Reader.ReadExpr(Cursor));
-}
-
-std::pair<uint64_t, uint64_t>
-PCHDeclReader::VisitDeclContext(DeclContext *DC) {
- uint64_t LexicalOffset = Record[Idx++];
- uint64_t VisibleOffset = Record[Idx++];
- return std::make_pair(LexicalOffset, VisibleOffset);
-}
-
-template <typename T>
-void PCHDeclReader::VisitRedeclarable(Redeclarable<T> *D) {
- enum RedeclKind { NoRedeclaration = 0, PointsToPrevious, PointsToLatest };
- RedeclKind Kind = (RedeclKind)Record[Idx++];
- switch (Kind) {
- default:
- assert(0 && "Out of sync with PCHDeclWriter::VisitRedeclarable or messed up"
- " reading");
- case NoRedeclaration:
- break;
- case PointsToPrevious:
- D->RedeclLink = typename Redeclarable<T>::PreviousDeclLink(
- cast_or_null<T>(Reader.GetDecl(Record[Idx++])));
- break;
- case PointsToLatest:
- D->RedeclLink = typename Redeclarable<T>::LatestDeclLink(
- cast_or_null<T>(Reader.GetDecl(Record[Idx++])));
- break;
- }
-
- assert(!(Kind == PointsToPrevious &&
- Reader.FirstLatestDeclIDs.find(ThisDeclID) !=
- Reader.FirstLatestDeclIDs.end()) &&
- "This decl is not first, it should not be in the map");
- if (Kind == PointsToPrevious)
- return;
-
- // This decl is a first one and the latest declaration that it points to is in
- // the same PCH. However, if this actually needs to point to a redeclaration
- // in another chained PCH, we need to update it by checking the
- // FirstLatestDeclIDs map which tracks this kind of decls.
- assert(Reader.GetDecl(ThisDeclID) == static_cast<T*>(D) &&
- "Invalid ThisDeclID ?");
- PCHReader::FirstLatestDeclIDMap::iterator I
- = Reader.FirstLatestDeclIDs.find(ThisDeclID);
- if (I != Reader.FirstLatestDeclIDs.end()) {
- Decl *NewLatest = Reader.GetDecl(I->second);
- assert((D->getMostRecentDeclaration()->getLocation().isInvalid() ||
- NewLatest->getLocation().isInvalid() ||
- Reader.SourceMgr.isBeforeInTranslationUnit(
- D->getMostRecentDeclaration()->getLocation(),
- NewLatest->getLocation())) &&
- "The new latest is supposed to come after the previous latest");
- D->RedeclLink
- = typename Redeclarable<T>::LatestDeclLink(cast_or_null<T>(NewLatest));
- }
-}
-
-//===----------------------------------------------------------------------===//
-// Attribute Reading
-//===----------------------------------------------------------------------===//
-
-/// \brief Reads attributes from the current stream position.
-Attr *PCHReader::ReadAttributes(llvm::BitstreamCursor &DeclsCursor) {
- unsigned Code = DeclsCursor.ReadCode();
- assert(Code == llvm::bitc::UNABBREV_RECORD &&
- "Expected unabbreviated record"); (void)Code;
-
- RecordData Record;
- unsigned Idx = 0;
- unsigned RecCode = DeclsCursor.ReadRecord(Code, Record);
- assert(RecCode == pch::DECL_ATTR && "Expected attribute record");
- (void)RecCode;
-
-#define SIMPLE_ATTR(Name) \
- case attr::Name: \
- New = ::new (*Context) Name##Attr(); \
- break
-
-#define STRING_ATTR(Name) \
- case attr::Name: \
- New = ::new (*Context) Name##Attr(*Context, ReadString(Record, Idx)); \
- break
-
-#define UNSIGNED_ATTR(Name) \
- case attr::Name: \
- New = ::new (*Context) Name##Attr(Record[Idx++]); \
- break
-
- Attr *Attrs = 0;
- while (Idx < Record.size()) {
- Attr *New = 0;
- attr::Kind Kind = (attr::Kind)Record[Idx++];
- bool IsInherited = Record[Idx++];
-
- switch (Kind) {
- default:
- assert(0 && "Unknown attribute!");
- break;
- STRING_ATTR(Alias);
- SIMPLE_ATTR(AlignMac68k);
- UNSIGNED_ATTR(Aligned);
- SIMPLE_ATTR(AlwaysInline);
- SIMPLE_ATTR(AnalyzerNoReturn);
- STRING_ATTR(Annotate);
- STRING_ATTR(AsmLabel);
- SIMPLE_ATTR(BaseCheck);
-
- case attr::Blocks:
- New = ::new (*Context) BlocksAttr(
- (BlocksAttr::BlocksAttrTypes)Record[Idx++]);
- break;
-
- SIMPLE_ATTR(CDecl);
-
- case attr::Cleanup:
- New = ::new (*Context) CleanupAttr(
- cast<FunctionDecl>(GetDecl(Record[Idx++])));
- break;
-
- SIMPLE_ATTR(Const);
- UNSIGNED_ATTR(Constructor);
- SIMPLE_ATTR(DLLExport);
- SIMPLE_ATTR(DLLImport);
- SIMPLE_ATTR(Deprecated);
- UNSIGNED_ATTR(Destructor);
- SIMPLE_ATTR(FastCall);
- SIMPLE_ATTR(Final);
-
- case attr::Format: {
- std::string Type = ReadString(Record, Idx);
- unsigned FormatIdx = Record[Idx++];
- unsigned FirstArg = Record[Idx++];
- New = ::new (*Context) FormatAttr(*Context, Type, FormatIdx, FirstArg);
- break;
- }
-
- case attr::FormatArg: {
- unsigned FormatIdx = Record[Idx++];
- New = ::new (*Context) FormatArgAttr(FormatIdx);
- break;
- }
-
- case attr::Sentinel: {
- int sentinel = Record[Idx++];
- int nullPos = Record[Idx++];
- New = ::new (*Context) SentinelAttr(sentinel, nullPos);
- break;
- }
-
- SIMPLE_ATTR(GNUInline);
- SIMPLE_ATTR(Hiding);
-
- case attr::IBAction:
- New = ::new (*Context) IBActionAttr();
- break;
-
- case attr::IBOutlet:
- New = ::new (*Context) IBOutletAttr();
- break;
-
- case attr::IBOutletCollection: {
- ObjCInterfaceDecl *D =
- cast_or_null<ObjCInterfaceDecl>(GetDecl(Record[Idx++]));
- New = ::new (*Context) IBOutletCollectionAttr(D);
- break;
- }
-
- SIMPLE_ATTR(Malloc);
- SIMPLE_ATTR(NoDebug);
- SIMPLE_ATTR(NoInline);
- SIMPLE_ATTR(NoReturn);
- SIMPLE_ATTR(NoThrow);
-
- case attr::NonNull: {
- unsigned Size = Record[Idx++];
- llvm::SmallVector<unsigned, 16> ArgNums;
- ArgNums.insert(ArgNums.end(), &Record[Idx], &Record[Idx] + Size);
- Idx += Size;
- New = ::new (*Context) NonNullAttr(*Context, ArgNums.data(), Size);
- break;
- }
-
- case attr::ReqdWorkGroupSize: {
- unsigned X = Record[Idx++];
- unsigned Y = Record[Idx++];
- unsigned Z = Record[Idx++];
- New = ::new (*Context) ReqdWorkGroupSizeAttr(X, Y, Z);
- break;
- }
-
- SIMPLE_ATTR(ObjCException);
- SIMPLE_ATTR(ObjCNSObject);
- SIMPLE_ATTR(CFReturnsNotRetained);
- SIMPLE_ATTR(CFReturnsRetained);
- SIMPLE_ATTR(NSReturnsNotRetained);
- SIMPLE_ATTR(NSReturnsRetained);
- SIMPLE_ATTR(Overloadable);
- SIMPLE_ATTR(Override);
- SIMPLE_ATTR(Packed);
- UNSIGNED_ATTR(MaxFieldAlignment);
- SIMPLE_ATTR(Pure);
- UNSIGNED_ATTR(Regparm);
- STRING_ATTR(Section);
- SIMPLE_ATTR(StdCall);
- SIMPLE_ATTR(ThisCall);
- SIMPLE_ATTR(TransparentUnion);
- SIMPLE_ATTR(Unavailable);
- SIMPLE_ATTR(Unused);
- SIMPLE_ATTR(Used);
-
- case attr::Visibility:
- New = ::new (*Context) VisibilityAttr(
- (VisibilityAttr::VisibilityTypes)Record[Idx++],
- (bool)Record[Idx++]);
- break;
-
- SIMPLE_ATTR(WarnUnusedResult);
- SIMPLE_ATTR(Weak);
- SIMPLE_ATTR(WeakRef);
- SIMPLE_ATTR(WeakImport);
- }
-
- assert(New && "Unable to decode attribute?");
- New->setInherited(IsInherited);
- New->setNext(Attrs);
- Attrs = New;
- }
-#undef UNSIGNED_ATTR
-#undef STRING_ATTR
-#undef SIMPLE_ATTR
-
- // The list of attributes was built backwards. Reverse the list
- // before returning it.
- Attr *PrevAttr = 0, *NextAttr = 0;
- while (Attrs) {
- NextAttr = Attrs->getNext();
- Attrs->setNext(PrevAttr);
- PrevAttr = Attrs;
- Attrs = NextAttr;
- }
-
- return PrevAttr;
-}
-
-//===----------------------------------------------------------------------===//
-// PCHReader Implementation
-//===----------------------------------------------------------------------===//
-
-/// \brief Note that we have loaded the declaration with the given
-/// Index.
-///
-/// This routine notes that this declaration has already been loaded,
-/// so that future GetDecl calls will return this declaration rather
-/// than trying to load a new declaration.
-inline void PCHReader::LoadedDecl(unsigned Index, Decl *D) {
- assert(!DeclsLoaded[Index] && "Decl loaded twice?");
- DeclsLoaded[Index] = D;
-}
-
-
-/// \brief Determine whether the consumer will be interested in seeing
-/// this declaration (via HandleTopLevelDecl).
-///
-/// This routine should return true for anything that might affect
-/// code generation, e.g., inline function definitions, Objective-C
-/// declarations with metadata, etc.
-static bool isConsumerInterestedIn(Decl *D) {
- if (isa<FileScopeAsmDecl>(D))
- return true;
- if (VarDecl *Var = dyn_cast<VarDecl>(D))
- return Var->isFileVarDecl() &&
- Var->isThisDeclarationADefinition() == VarDecl::Definition;
- if (FunctionDecl *Func = dyn_cast<FunctionDecl>(D))
- return Func->isThisDeclarationADefinition();
- return isa<ObjCProtocolDecl>(D) || isa<ObjCImplementationDecl>(D);
-}
-
-/// \brief Get the correct cursor and offset for loading a type.
-PCHReader::RecordLocation
-PCHReader::DeclCursorForIndex(unsigned Index, pch::DeclID ID) {
- // See if there's an override.
- DeclReplacementMap::iterator It = ReplacedDecls.find(ID);
- if (It != ReplacedDecls.end())
- return RecordLocation(&It->second.first->DeclsCursor, It->second.second);
-
- PerFileData *F = 0;
- for (unsigned I = 0, N = Chain.size(); I != N; ++I) {
- F = Chain[N - I - 1];
- if (Index < F->LocalNumDecls)
- break;
- Index -= F->LocalNumDecls;
- }
- assert(F && F->LocalNumDecls > Index && "Broken chain");
- return RecordLocation(&F->DeclsCursor, F->DeclOffsets[Index]);
-}
-
-/// \brief Read the declaration at the given offset from the PCH file.
-Decl *PCHReader::ReadDeclRecord(unsigned Index, pch::DeclID ID) {
- RecordLocation Loc = DeclCursorForIndex(Index, ID);
- llvm::BitstreamCursor &DeclsCursor = *Loc.first;
- // Keep track of where we are in the stream, then jump back there
- // after reading this declaration.
- SavedStreamPosition SavedPosition(DeclsCursor);
-
- ReadingKindTracker ReadingKind(Read_Decl, *this);
-
- // Note that we are loading a declaration record.
- Deserializing ADecl(this);
-
- DeclsCursor.JumpToBit(Loc.second);
- RecordData Record;
- unsigned Code = DeclsCursor.ReadCode();
- unsigned Idx = 0;
- PCHDeclReader Reader(*this, DeclsCursor, ID, Record, Idx);
-
- Decl *D = 0;
- switch ((pch::DeclCode)DeclsCursor.ReadRecord(Code, Record)) {
- case pch::DECL_ATTR:
- case pch::DECL_CONTEXT_LEXICAL:
- case pch::DECL_CONTEXT_VISIBLE:
- assert(false && "Record cannot be de-serialized with ReadDeclRecord");
- break;
- case pch::DECL_TRANSLATION_UNIT:
- assert(Index == 0 && "Translation unit must be at index 0");
- D = Context->getTranslationUnitDecl();
- break;
- case pch::DECL_TYPEDEF:
- D = TypedefDecl::Create(*Context, 0, SourceLocation(), 0, 0);
- break;
- case pch::DECL_ENUM:
- D = EnumDecl::Create(*Context, Decl::EmptyShell());
- break;
- case pch::DECL_RECORD:
- D = RecordDecl::Create(*Context, Decl::EmptyShell());
- break;
- case pch::DECL_ENUM_CONSTANT:
- D = EnumConstantDecl::Create(*Context, 0, SourceLocation(), 0, QualType(),
- 0, llvm::APSInt());
- break;
- case pch::DECL_FUNCTION:
- D = FunctionDecl::Create(*Context, 0, SourceLocation(), DeclarationName(),
- QualType(), 0);
- break;
- case pch::DECL_LINKAGE_SPEC:
- D = LinkageSpecDecl::Create(*Context, 0, SourceLocation(),
- (LinkageSpecDecl::LanguageIDs)0,
- false);
- break;
- case pch::DECL_NAMESPACE:
- D = NamespaceDecl::Create(*Context, 0, SourceLocation(), 0);
- break;
- case pch::DECL_NAMESPACE_ALIAS:
- D = NamespaceAliasDecl::Create(*Context, 0, SourceLocation(),
- SourceLocation(), 0, SourceRange(), 0,
- SourceLocation(), 0);
- break;
- case pch::DECL_USING:
- D = UsingDecl::Create(*Context, 0, SourceRange(), SourceLocation(),
- 0, DeclarationNameInfo(), false);
- break;
- case pch::DECL_USING_SHADOW:
- D = UsingShadowDecl::Create(*Context, 0, SourceLocation(), 0, 0);
- break;
- case pch::DECL_USING_DIRECTIVE:
- D = UsingDirectiveDecl::Create(*Context, 0, SourceLocation(),
- SourceLocation(), SourceRange(), 0,
- SourceLocation(), 0, 0);
- break;
- case pch::DECL_UNRESOLVED_USING_VALUE:
- D = UnresolvedUsingValueDecl::Create(*Context, 0, SourceLocation(),
- SourceRange(), 0,
- DeclarationNameInfo());
- break;
- case pch::DECL_UNRESOLVED_USING_TYPENAME:
- D = UnresolvedUsingTypenameDecl::Create(*Context, 0, SourceLocation(),
- SourceLocation(), SourceRange(),
- 0, SourceLocation(),
- DeclarationName());
- break;
- case pch::DECL_CXX_RECORD:
- D = CXXRecordDecl::Create(*Context, Decl::EmptyShell());
- break;
- case pch::DECL_CXX_METHOD:
- D = CXXMethodDecl::Create(*Context, 0, DeclarationNameInfo(),
- QualType(), 0);
- break;
- case pch::DECL_CXX_CONSTRUCTOR:
- D = CXXConstructorDecl::Create(*Context, Decl::EmptyShell());
- break;
- case pch::DECL_CXX_DESTRUCTOR:
- D = CXXDestructorDecl::Create(*Context, Decl::EmptyShell());
- break;
- case pch::DECL_CXX_CONVERSION:
- D = CXXConversionDecl::Create(*Context, Decl::EmptyShell());
- break;
- case pch::DECL_ACCESS_SPEC:
- D = AccessSpecDecl::Create(*Context, AS_none, 0, SourceLocation(),
- SourceLocation());
- break;
- case pch::DECL_FRIEND:
- D = FriendDecl::Create(*Context, Decl::EmptyShell());
- break;
- case pch::DECL_FRIEND_TEMPLATE:
- D = FriendTemplateDecl::Create(*Context, Decl::EmptyShell());
- break;
- case pch::DECL_CLASS_TEMPLATE:
- D = ClassTemplateDecl::Create(*Context, 0, SourceLocation(),
- DeclarationName(), 0, 0, 0);
- break;
- case pch::DECL_CLASS_TEMPLATE_SPECIALIZATION:
- D = ClassTemplateSpecializationDecl::Create(*Context, Decl::EmptyShell());
- break;
- case pch::DECL_CLASS_TEMPLATE_PARTIAL_SPECIALIZATION:
- D = ClassTemplatePartialSpecializationDecl::Create(*Context,
- Decl::EmptyShell());
- break;
- case pch::DECL_FUNCTION_TEMPLATE:
- D = FunctionTemplateDecl::Create(*Context, 0, SourceLocation(),
- DeclarationName(), 0, 0);
- break;
- case pch::DECL_TEMPLATE_TYPE_PARM:
- D = TemplateTypeParmDecl::Create(*Context, Decl::EmptyShell());
- break;
- case pch::DECL_NON_TYPE_TEMPLATE_PARM:
- D = NonTypeTemplateParmDecl::Create(*Context, 0, SourceLocation(), 0,0,0,
- QualType(),0);
- break;
- case pch::DECL_TEMPLATE_TEMPLATE_PARM:
- D = TemplateTemplateParmDecl::Create(*Context, 0, SourceLocation(),0,0,0,0);
- break;
- case pch::DECL_STATIC_ASSERT:
- D = StaticAssertDecl::Create(*Context, 0, SourceLocation(), 0, 0);
- break;
-
- case pch::DECL_OBJC_METHOD:
- D = ObjCMethodDecl::Create(*Context, SourceLocation(), SourceLocation(),
- Selector(), QualType(), 0, 0);
- break;
- case pch::DECL_OBJC_INTERFACE:
- D = ObjCInterfaceDecl::Create(*Context, 0, SourceLocation(), 0);
- break;
- case pch::DECL_OBJC_IVAR:
- D = ObjCIvarDecl::Create(*Context, 0, SourceLocation(), 0, QualType(), 0,
- ObjCIvarDecl::None);
- break;
- case pch::DECL_OBJC_PROTOCOL:
- D = ObjCProtocolDecl::Create(*Context, 0, SourceLocation(), 0);
- break;
- case pch::DECL_OBJC_AT_DEFS_FIELD:
- D = ObjCAtDefsFieldDecl::Create(*Context, 0, SourceLocation(), 0,
- QualType(), 0);
- break;
- case pch::DECL_OBJC_CLASS:
- D = ObjCClassDecl::Create(*Context, 0, SourceLocation());
- break;
- case pch::DECL_OBJC_FORWARD_PROTOCOL:
- D = ObjCForwardProtocolDecl::Create(*Context, 0, SourceLocation());
- break;
- case pch::DECL_OBJC_CATEGORY:
- D = ObjCCategoryDecl::Create(*Context, 0, SourceLocation(),
- SourceLocation(), SourceLocation(), 0);
- break;
- case pch::DECL_OBJC_CATEGORY_IMPL:
- D = ObjCCategoryImplDecl::Create(*Context, 0, SourceLocation(), 0, 0);
- break;
- case pch::DECL_OBJC_IMPLEMENTATION:
- D = ObjCImplementationDecl::Create(*Context, 0, SourceLocation(), 0, 0);
- break;
- case pch::DECL_OBJC_COMPATIBLE_ALIAS:
- D = ObjCCompatibleAliasDecl::Create(*Context, 0, SourceLocation(), 0, 0);
- break;
- case pch::DECL_OBJC_PROPERTY:
- D = ObjCPropertyDecl::Create(*Context, 0, SourceLocation(), 0, SourceLocation(),
- 0);
- break;
- case pch::DECL_OBJC_PROPERTY_IMPL:
- D = ObjCPropertyImplDecl::Create(*Context, 0, SourceLocation(),
- SourceLocation(), 0,
- ObjCPropertyImplDecl::Dynamic, 0);
- break;
- case pch::DECL_FIELD:
- D = FieldDecl::Create(*Context, 0, SourceLocation(), 0, QualType(), 0, 0,
- false);
- break;
- case pch::DECL_VAR:
- D = VarDecl::Create(*Context, 0, SourceLocation(), 0, QualType(), 0,
- VarDecl::None, VarDecl::None);
- break;
-
- case pch::DECL_IMPLICIT_PARAM:
- D = ImplicitParamDecl::Create(*Context, 0, SourceLocation(), 0, QualType());
- break;
-
- case pch::DECL_PARM_VAR:
- D = ParmVarDecl::Create(*Context, 0, SourceLocation(), 0, QualType(), 0,
- VarDecl::None, VarDecl::None, 0);
- break;
- case pch::DECL_FILE_SCOPE_ASM:
- D = FileScopeAsmDecl::Create(*Context, 0, SourceLocation(), 0);
- break;
- case pch::DECL_BLOCK:
- D = BlockDecl::Create(*Context, 0, SourceLocation());
- break;
- }
-
- assert(D && "Unknown declaration reading PCH file");
- LoadedDecl(Index, D);
- Reader.Visit(D);
-
- // If this declaration is also a declaration context, get the
- // offsets for its tables of lexical and visible declarations.
- if (DeclContext *DC = dyn_cast<DeclContext>(D)) {
- std::pair<uint64_t, uint64_t> Offsets = Reader.VisitDeclContext(DC);
- if (Offsets.first || Offsets.second) {
- DC->setHasExternalLexicalStorage(Offsets.first != 0);
- DC->setHasExternalVisibleStorage(Offsets.second != 0);
- DeclContextInfo Info;
- if (ReadDeclContextStorage(DeclsCursor, Offsets, Info))
- return 0;
- DeclContextInfos &Infos = DeclContextOffsets[DC];
- // Reading the TU will happen after reading its update blocks, so we need
- // to make sure we insert in front. For all other contexts, the vector
- // is empty here anyway, so there's no loss in efficiency.
- Infos.insert(Infos.begin(), Info);
- }
- }
- assert(Idx == Record.size());
-
- // If we have deserialized a declaration that has a definition the
- // AST consumer might need to know about, queue it.
- // We don't pass it to the consumer immediately because we may be in recursive
- // loading, and some declarations may still be initializing.
- if (isConsumerInterestedIn(D))
- InterestingDecls.push_back(D);
-
- return D;
-}
-
-bool PCHReader::ReadDeclContextStorage(llvm::BitstreamCursor &Cursor,
- const std::pair<uint64_t, uint64_t> &Offsets,
- DeclContextInfo &Info) {
- SavedStreamPosition SavedPosition(Cursor);
- // First the lexical decls.
- if (Offsets.first != 0) {
- Cursor.JumpToBit(Offsets.first);
-
- RecordData Record;
- const char *Blob;
- unsigned BlobLen;
- unsigned Code = Cursor.ReadCode();
- unsigned RecCode = Cursor.ReadRecord(Code, Record, &Blob, &BlobLen);
- if (RecCode != pch::DECL_CONTEXT_LEXICAL) {
- Error("Expected lexical block");
- return true;
- }
-
- Info.LexicalDecls = reinterpret_cast<const pch::DeclID*>(Blob);
- Info.NumLexicalDecls = BlobLen / sizeof(pch::DeclID);
- } else {
- Info.LexicalDecls = 0;
- Info.NumLexicalDecls = 0;
- }
-
- // Now the visible decls.
- Info.Stream = &Cursor;
- Info.OffsetToVisibleDecls = Offsets.second;
-
- return false;
-}
diff --git a/clang/lib/Frontend/PCHReaderStmt.cpp b/clang/lib/Frontend/PCHReaderStmt.cpp
deleted file mode 100644
index 41c8a9aedc2..00000000000
--- a/clang/lib/Frontend/PCHReaderStmt.cpp
+++ /dev/null
@@ -1,1775 +0,0 @@
-//===--- PCHReaderStmt.cpp - Stmt/Expr Deserialization ----------*- C++ -*-===//
-//
-// The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-//
-// Statement/expression deserialization. This implements the
-// PCHReader::ReadStmt method.
-//
-//===----------------------------------------------------------------------===//
-
-#include "clang/Frontend/PCHReader.h"
-#include "clang/AST/DeclCXX.h"
-#include "clang/AST/StmtVisitor.h"
-using namespace clang;
-
-namespace clang {
-
- class PCHStmtReader : public StmtVisitor<PCHStmtReader> {
- PCHReader &Reader;
- llvm::BitstreamCursor &DeclsCursor;
- const PCHReader::RecordData &Record;
- unsigned &Idx;
-
- public:
- PCHStmtReader(PCHReader &Reader, llvm::BitstreamCursor &Cursor,
- const PCHReader::RecordData &Record, unsigned &Idx)
- : Reader(Reader), DeclsCursor(Cursor), Record(Record), Idx(Idx) { }
-
- /// \brief The number of record fields required for the Stmt class
- /// itself.
- static const unsigned NumStmtFields = 0;
-
- /// \brief The number of record fields required for the Expr class
- /// itself.
- static const unsigned NumExprFields = NumStmtFields + 3;
-
- /// \brief Read and initialize a ExplicitTemplateArgumentList structure.
- void ReadExplicitTemplateArgumentList(ExplicitTemplateArgumentList &ArgList,
- unsigned NumTemplateArgs);
-
- void VisitStmt(Stmt *S);
- void VisitNullStmt(NullStmt *S);
- void VisitCompoundStmt(CompoundStmt *S);
- void VisitSwitchCase(SwitchCase *S);
- void VisitCaseStmt(CaseStmt *S);
- void VisitDefaultStmt(DefaultStmt *S);
- void VisitLabelStmt(LabelStmt *S);
- void VisitIfStmt(IfStmt *S);
- void VisitSwitchStmt(SwitchStmt *S);
- void VisitWhileStmt(WhileStmt *S);
- void VisitDoStmt(DoStmt *S);
- void VisitForStmt(ForStmt *S);
- void VisitGotoStmt(GotoStmt *S);
- void VisitIndirectGotoStmt(IndirectGotoStmt *S);
- void VisitContinueStmt(ContinueStmt *S);
- void VisitBreakStmt(BreakStmt *S);
- void VisitReturnStmt(ReturnStmt *S);
- void VisitDeclStmt(DeclStmt *S);
- void VisitAsmStmt(AsmStmt *S);
- void VisitExpr(Expr *E);
- void VisitPredefinedExpr(PredefinedExpr *E);
- void VisitDeclRefExpr(DeclRefExpr *E);
- void VisitIntegerLiteral(IntegerLiteral *E);
- void VisitFloatingLiteral(FloatingLiteral *E);
- void VisitImaginaryLiteral(ImaginaryLiteral *E);
- void VisitStringLiteral(StringLiteral *E);
- void VisitCharacterLiteral(CharacterLiteral *E);
- void VisitParenExpr(ParenExpr *E);
- void VisitParenListExpr(ParenListExpr *E);
- void VisitUnaryOperator(UnaryOperator *E);
- void VisitOffsetOfExpr(OffsetOfExpr *E);
- void VisitSizeOfAlignOfExpr(SizeOfAlignOfExpr *E);
- void VisitArraySubscriptExpr(ArraySubscriptExpr *E);
- void VisitCallExpr(CallExpr *E);
- void VisitMemberExpr(MemberExpr *E);
- void VisitCastExpr(CastExpr *E);
- void VisitBinaryOperator(BinaryOperator *E);
- void VisitCompoundAssignOperator(CompoundAssignOperator *E);
- void VisitConditionalOperator(ConditionalOperator *E);
- void VisitImplicitCastExpr(ImplicitCastExpr *E);
- void VisitExplicitCastExpr(ExplicitCastExpr *E);
- void VisitCStyleCastExpr(CStyleCastExpr *E);
- void VisitCompoundLiteralExpr(CompoundLiteralExpr *E);
- void VisitExtVectorElementExpr(ExtVectorElementExpr *E);
- void VisitInitListExpr(InitListExpr *E);
- void VisitDesignatedInitExpr(DesignatedInitExpr *E);
- void VisitImplicitValueInitExpr(ImplicitValueInitExpr *E);
- void VisitVAArgExpr(VAArgExpr *E);
- void VisitAddrLabelExpr(AddrLabelExpr *E);
- void VisitStmtExpr(StmtExpr *E);
- void VisitTypesCompatibleExpr(TypesCompatibleExpr *E);
- void VisitChooseExpr(ChooseExpr *E);
- void VisitGNUNullExpr(GNUNullExpr *E);
- void VisitShuffleVectorExpr(ShuffleVectorExpr *E);
- void VisitBlockExpr(BlockExpr *E);
- void VisitBlockDeclRefExpr(BlockDeclRefExpr *E);
- void VisitObjCStringLiteral(ObjCStringLiteral *E);
- void VisitObjCEncodeExpr(ObjCEncodeExpr *E);
- void VisitObjCSelectorExpr(ObjCSelectorExpr *E);
- void VisitObjCProtocolExpr(ObjCProtocolExpr *E);
- void VisitObjCIvarRefExpr(ObjCIvarRefExpr *E);
- void VisitObjCPropertyRefExpr(ObjCPropertyRefExpr *E);
- void VisitObjCImplicitSetterGetterRefExpr(
- ObjCImplicitSetterGetterRefExpr *E);
- void VisitObjCMessageExpr(ObjCMessageExpr *E);
- void VisitObjCSuperExpr(ObjCSuperExpr *E);
- void VisitObjCIsaExpr(ObjCIsaExpr *E);
-
- void VisitObjCForCollectionStmt(ObjCForCollectionStmt *);
- void VisitObjCAtCatchStmt(ObjCAtCatchStmt *);
- void VisitObjCAtFinallyStmt(ObjCAtFinallyStmt *);
- void VisitObjCAtTryStmt(ObjCAtTryStmt *);
- void VisitObjCAtSynchronizedStmt(ObjCAtSynchronizedStmt *);
- void VisitObjCAtThrowStmt(ObjCAtThrowStmt *);
-
- // C++ Statements
- void VisitCXXCatchStmt(CXXCatchStmt *S);
- void VisitCXXTryStmt(CXXTryStmt *S);
-
- void VisitCXXOperatorCallExpr(CXXOperatorCallExpr *E);
- void VisitCXXConstructExpr(CXXConstructExpr *E);
- void VisitCXXTemporaryObjectExpr(CXXTemporaryObjectExpr *E);
- void VisitCXXNamedCastExpr(CXXNamedCastExpr *E);
- void VisitCXXStaticCastExpr(CXXStaticCastExpr *E);
- void VisitCXXDynamicCastExpr(CXXDynamicCastExpr *E);
- void VisitCXXReinterpretCastExpr(CXXReinterpretCastExpr *E);
- void VisitCXXConstCastExpr(CXXConstCastExpr *E);
- void VisitCXXFunctionalCastExpr(CXXFunctionalCastExpr *E);
- void VisitCXXBoolLiteralExpr(CXXBoolLiteralExpr *E);
- void VisitCXXNullPtrLiteralExpr(CXXNullPtrLiteralExpr *E);
- void VisitCXXTypeidExpr(CXXTypeidExpr *E);
- void VisitCXXThisExpr(CXXThisExpr *E);
- void VisitCXXThrowExpr(CXXThrowExpr *E);
- void VisitCXXDefaultArgExpr(CXXDefaultArgExpr *E);
- void VisitCXXBindTemporaryExpr(CXXBindTemporaryExpr *E);
- void VisitCXXBindReferenceExpr(CXXBindReferenceExpr *E);
-
- void VisitCXXScalarValueInitExpr(CXXScalarValueInitExpr *E);
- void VisitCXXNewExpr(CXXNewExpr *E);
- void VisitCXXDeleteExpr(CXXDeleteExpr *E);
- void VisitCXXPseudoDestructorExpr(CXXPseudoDestructorExpr *E);
-
- void VisitCXXExprWithTemporaries(CXXExprWithTemporaries *E);
-
- void VisitCXXDependentScopeMemberExpr(CXXDependentScopeMemberExpr *E);
- void VisitDependentScopeDeclRefExpr(DependentScopeDeclRefExpr *E);
- void VisitCXXUnresolvedConstructExpr(CXXUnresolvedConstructExpr *E);
-
- void VisitOverloadExpr(OverloadExpr *E);
- void VisitUnresolvedMemberExpr(UnresolvedMemberExpr *E);
- void VisitUnresolvedLookupExpr(UnresolvedLookupExpr *E);
-
- void VisitUnaryTypeTraitExpr(UnaryTypeTraitExpr *E);
- };
-}
-
-void PCHStmtReader::
-ReadExplicitTemplateArgumentList(ExplicitTemplateArgumentList &ArgList,
- unsigned NumTemplateArgs) {
- TemplateArgumentListInfo ArgInfo;
- ArgInfo.setLAngleLoc(Reader.ReadSourceLocation(Record, Idx));
- ArgInfo.setRAngleLoc(Reader.ReadSourceLocation(Record, Idx));
- for (unsigned i = 0; i != NumTemplateArgs; ++i)
- ArgInfo.addArgument(
- Reader.ReadTemplateArgumentLoc(DeclsCursor, Record, Idx));
- ArgList.initializeFrom(ArgInfo);
-}
-
-void PCHStmtReader::VisitStmt(Stmt *S) {
- assert(Idx == NumStmtFields && "Incorrect statement field count");
-}
-
-void PCHStmtReader::VisitNullStmt(NullStmt *S) {
- VisitStmt(S);
- S->setSemiLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
-}
-
-void PCHStmtReader::VisitCompoundStmt(CompoundStmt *S) {
- VisitStmt(S);
- llvm::SmallVector<Stmt *, 16> Stmts;
- unsigned NumStmts = Record[Idx++];
- while (NumStmts--)
- Stmts.push_back(Reader.ReadSubStmt());
- S->setStmts(*Reader.getContext(), Stmts.data(), Stmts.size());
- S->setLBracLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
- S->setRBracLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
-}
-
-void PCHStmtReader::VisitSwitchCase(SwitchCase *S) {
- VisitStmt(S);
- Reader.RecordSwitchCaseID(S, Record[Idx++]);
-}
-
-void PCHStmtReader::VisitCaseStmt(CaseStmt *S) {
- VisitSwitchCase(S);
- S->setLHS(Reader.ReadSubExpr());
- S->setRHS(Reader.ReadSubExpr());
- S->setSubStmt(Reader.ReadSubStmt());
- S->setCaseLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
- S->setEllipsisLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
- S->setColonLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
-}
-
-void PCHStmtReader::VisitDefaultStmt(DefaultStmt *S) {
- VisitSwitchCase(S);
- S->setSubStmt(Reader.ReadSubStmt());
- S->setDefaultLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
- S->setColonLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
-}
-
-void PCHStmtReader::VisitLabelStmt(LabelStmt *S) {
- VisitStmt(S);
- S->setID(Reader.GetIdentifierInfo(Record, Idx));
- S->setSubStmt(Reader.ReadSubStmt());
- S->setIdentLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
- Reader.RecordLabelStmt(S, Record[Idx++]);
-}
-
-void PCHStmtReader::VisitIfStmt(IfStmt *S) {
- VisitStmt(S);
- S->setConditionVariable(*Reader.getContext(),
- cast_or_null<VarDecl>(Reader.GetDecl(Record[Idx++])));
- S->setCond(Reader.ReadSubExpr());
- S->setThen(Reader.ReadSubStmt());
- S->setElse(Reader.ReadSubStmt());
- S->setIfLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
- S->setElseLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
-}
-
-void PCHStmtReader::VisitSwitchStmt(SwitchStmt *S) {
- VisitStmt(S);
- S->setConditionVariable(*Reader.getContext(),
- cast_or_null<VarDecl>(Reader.GetDecl(Record[Idx++])));
- S->setCond(Reader.ReadSubExpr());
- S->setBody(Reader.ReadSubStmt());
- S->setSwitchLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
- SwitchCase *PrevSC = 0;
- for (unsigned N = Record.size(); Idx != N; ++Idx) {
- SwitchCase *SC = Reader.getSwitchCaseWithID(Record[Idx]);
- if (PrevSC)
- PrevSC->setNextSwitchCase(SC);
- else
- S->setSwitchCaseList(SC);
-
- // Retain this SwitchCase, since SwitchStmt::addSwitchCase() would
- // normally retain it (but we aren't calling addSwitchCase).
- SC->Retain();
- PrevSC = SC;
- }
-}
-
-void PCHStmtReader::VisitWhileStmt(WhileStmt *S) {
- VisitStmt(S);
- S->setConditionVariable(*Reader.getContext(),
- cast_or_null<VarDecl>(Reader.GetDecl(Record[Idx++])));
- S->setCond(Reader.ReadSubExpr());
- S->setBody(Reader.ReadSubStmt());
- S->setWhileLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
-}
-
-void PCHStmtReader::VisitDoStmt(DoStmt *S) {
- VisitStmt(S);
- S->setCond(Reader.ReadSubExpr());
- S->setBody(Reader.ReadSubStmt());
- S->setDoLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
- S->setWhileLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
- S->setRParenLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
-}
-
-void PCHStmtReader::VisitForStmt(ForStmt *S) {
- VisitStmt(S);
- S->setInit(Reader.ReadSubStmt());
- S->setCond(Reader.ReadSubExpr());
- S->setConditionVariable(*Reader.getContext(),
- cast_or_null<VarDecl>(Reader.GetDecl(Record[Idx++])));
- S->setInc(Reader.ReadSubExpr());
- S->setBody(Reader.ReadSubStmt());
- S->setForLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
- S->setLParenLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
- S->setRParenLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
-}
-
-void PCHStmtReader::VisitGotoStmt(GotoStmt *S) {
- VisitStmt(S);
- Reader.SetLabelOf(S, Record[Idx++]);
- S->setGotoLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
- S->setLabelLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
-}
-
-void PCHStmtReader::VisitIndirectGotoStmt(IndirectGotoStmt *S) {
- VisitStmt(S);
- S->setGotoLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
- S->setStarLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
- S->setTarget(Reader.ReadSubExpr());
-}
-
-void PCHStmtReader::VisitContinueStmt(ContinueStmt *S) {
- VisitStmt(S);
- S->setContinueLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
-}
-
-void PCHStmtReader::VisitBreakStmt(BreakStmt *S) {
- VisitStmt(S);
- S->setBreakLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
-}
-
-void PCHStmtReader::VisitReturnStmt(ReturnStmt *S) {
- VisitStmt(S);
- S->setRetValue(Reader.ReadSubExpr());
- S->setReturnLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
- S->setNRVOCandidate(cast_or_null<VarDecl>(Reader.GetDecl(Record[Idx++])));
-}
-
-void PCHStmtReader::VisitDeclStmt(DeclStmt *S) {
- VisitStmt(S);
- S->setStartLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
- S->setEndLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
-
- if (Idx + 1 == Record.size()) {
- // Single declaration
- S->setDeclGroup(DeclGroupRef(Reader.GetDecl(Record[Idx++])));
- } else {
- llvm::SmallVector<Decl *, 16> Decls;
- Decls.reserve(Record.size() - Idx);
- for (unsigned N = Record.size(); Idx != N; ++Idx)
- Decls.push_back(Reader.GetDecl(Record[Idx]));
- S->setDeclGroup(DeclGroupRef(DeclGroup::Create(*Reader.getContext(),
- Decls.data(),
- Decls.size())));
- }
-}
-
-void PCHStmtReader::VisitAsmStmt(AsmStmt *S) {
- VisitStmt(S);
- unsigned NumOutputs = Record[Idx++];
- unsigned NumInputs = Record[Idx++];
- unsigned NumClobbers = Record[Idx++];
- S->setAsmLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
- S->setRParenLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
- S->setVolatile(Record[Idx++]);
- S->setSimple(Record[Idx++]);
- S->setMSAsm(Record[Idx++]);
-
- S->setAsmString(cast_or_null<StringLiteral>(Reader.ReadSubStmt()));
-
- // Outputs and inputs
- llvm::SmallVector<IdentifierInfo *, 16> Names;
- llvm::SmallVector<StringLiteral*, 16> Constraints;
- llvm::SmallVector<Stmt*, 16> Exprs;
- for (unsigned I = 0, N = NumOutputs + NumInputs; I != N; ++I) {
- Names.push_back(Reader.GetIdentifierInfo(Record, Idx));
- Constraints.push_back(cast_or_null<StringLiteral>(Reader.ReadSubStmt()));
- Exprs.push_back(Reader.ReadSubStmt());
- }
-
- // Constraints
- llvm::SmallVector<StringLiteral*, 16> Clobbers;
- for (unsigned I = 0; I != NumClobbers; ++I)
- Clobbers.push_back(cast_or_null<StringLiteral>(Reader.ReadSubStmt()));
-
- S->setOutputsAndInputsAndClobbers(*Reader.getContext(),
- Names.data(), Constraints.data(),
- Exprs.data(), NumOutputs, NumInputs,
- Clobbers.data(), NumClobbers);
-}
-
-void PCHStmtReader::VisitExpr(Expr *E) {
- VisitStmt(E);
- E->setType(Reader.GetType(Record[Idx++]));
- E->setTypeDependent(Record[Idx++]);
- E->setValueDependent(Record[Idx++]);
- assert(Idx == NumExprFields && "Incorrect expression field count");
-}
-
-void PCHStmtReader::VisitPredefinedExpr(PredefinedExpr *E) {
- VisitExpr(E);
- E->setLocation(SourceLocation::getFromRawEncoding(Record[Idx++]));
- E->setIdentType((PredefinedExpr::IdentType)Record[Idx++]);
-}
-
-void PCHStmtReader::VisitDeclRefExpr(DeclRefExpr *E) {
- VisitExpr(E);
-
- bool HasQualifier = Record[Idx++];
- unsigned NumTemplateArgs = Record[Idx++];
-
- E->DecoratedD.setInt((HasQualifier? DeclRefExpr::HasQualifierFlag : 0) |
- (NumTemplateArgs ? DeclRefExpr::HasExplicitTemplateArgumentListFlag : 0));
-
- if (HasQualifier) {
- E->getNameQualifier()->NNS = Reader.ReadNestedNameSpecifier(Record, Idx);
- E->getNameQualifier()->Range = Reader.ReadSourceRange(Record, Idx);
- }
-
- if (NumTemplateArgs)
- ReadExplicitTemplateArgumentList(*E->getExplicitTemplateArgumentList(),
- NumTemplateArgs);
-
- E->setDecl(cast<ValueDecl>(Reader.GetDecl(Record[Idx++])));
- // FIXME: read DeclarationNameLoc.
- E->setLocation(Reader.ReadSourceLocation(Record, Idx));
-}
-
-void PCHStmtReader::VisitIntegerLiteral(IntegerLiteral *E) {
- VisitExpr(E);
- E->setLocation(SourceLocation::getFromRawEncoding(Record[Idx++]));
- E->setValue(Reader.ReadAPInt(Record, Idx));
-}
-
-void PCHStmtReader::VisitFloatingLiteral(FloatingLiteral *E) {
- VisitExpr(E);
- E->setValue(Reader.ReadAPFloat(Record, Idx));
- E->setExact(Record[Idx++]);
- E->setLocation(SourceLocation::getFromRawEncoding(Record[Idx++]));
-}
-
-void PCHStmtReader::VisitImaginaryLiteral(ImaginaryLiteral *E) {
- VisitExpr(E);
- E->setSubExpr(Reader.ReadSubExpr());
-}
-
-void PCHStmtReader::VisitStringLiteral(StringLiteral *E) {
- VisitExpr(E);
- unsigned Len = Record[Idx++];
- assert(Record[Idx] == E->getNumConcatenated() &&
- "Wrong number of concatenated tokens!");
- ++Idx;
- E->setWide(Record[Idx++]);
-
- // Read string data
- llvm::SmallString<16> Str(&Record[Idx], &Record[Idx] + Len);
- E->setString(*Reader.getContext(), Str.str());
- Idx += Len;
-
- // Read source locations
- for (unsigned I = 0, N = E->getNumConcatenated(); I != N; ++I)
- E->setStrTokenLoc(I, SourceLocation::getFromRawEncoding(Record[Idx++]));
-}
-
-void PCHStmtReader::VisitCharacterLiteral(CharacterLiteral *E) {
- VisitExpr(E);
- E->setValue(Record[Idx++]);
- E->setLocation(SourceLocation::getFromRawEncoding(Record[Idx++]));
- E->setWide(Record[Idx++]);
-}
-
-void PCHStmtReader::VisitParenExpr(ParenExpr *E) {
- VisitExpr(E);
- E->setLParen(SourceLocation::getFromRawEncoding(Record[Idx++]));
- E->setRParen(SourceLocation::getFromRawEncoding(Record[Idx++]));
- E->setSubExpr(Reader.ReadSubExpr());
-}
-
-void PCHStmtReader::VisitParenListExpr(ParenListExpr *E) {
- VisitExpr(E);
- unsigned NumExprs = Record[Idx++];
- E->Exprs = new (*Reader.getContext()) Stmt*[NumExprs];
- for (unsigned i = 0; i != NumExprs; ++i)
- E->Exprs[i] = Reader.ReadSubStmt();
- E->NumExprs = NumExprs;
- E->LParenLoc = Reader.ReadSourceLocation(Record, Idx);
- E->RParenLoc = Reader.ReadSourceLocation(Record, Idx);
-}
-
-void PCHStmtReader::VisitUnaryOperator(UnaryOperator *E) {
- VisitExpr(E);
- E->setSubExpr(Reader.ReadSubExpr());
- E->setOpcode((UnaryOperator::Opcode)Record[Idx++]);
- E->setOperatorLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
-}
-
-void PCHStmtReader::VisitOffsetOfExpr(OffsetOfExpr *E) {
- typedef OffsetOfExpr::OffsetOfNode Node;
- VisitExpr(E);
- assert(E->getNumComponents() == Record[Idx]);
- ++Idx;
- assert(E->getNumExpressions() == Record[Idx]);
- ++Idx;
- E->setOperatorLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
- E->setRParenLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
- E->setTypeSourceInfo(Reader.GetTypeSourceInfo(DeclsCursor, Record, Idx));
- for (unsigned I = 0, N = E->getNumComponents(); I != N; ++I) {
- Node::Kind Kind = static_cast<Node::Kind>(Record[Idx++]);
- SourceLocation Start = SourceLocation::getFromRawEncoding(Record[Idx++]);
- SourceLocation End = SourceLocation::getFromRawEncoding(Record[Idx++]);
- switch (Kind) {
- case Node::Array:
- E->setComponent(I, Node(Start, Record[Idx++], End));
- break;
-
- case Node::Field:
- E->setComponent(I,
- Node(Start,
- dyn_cast_or_null<FieldDecl>(Reader.GetDecl(Record[Idx++])),
- End));
- break;
-
- case Node::Identifier:
- E->setComponent(I, Node(Start, Reader.GetIdentifier(Record[Idx++]), End));
- break;
-
- case Node::Base: {
- CXXBaseSpecifier *Base = new (*Reader.getContext()) CXXBaseSpecifier();
- *Base = Reader.ReadCXXBaseSpecifier(DeclsCursor, Record, Idx);
- E->setComponent(I, Node(Base));
- break;
- }
- }
- }
-
- for (unsigned I = 0, N = E->getNumExpressions(); I != N; ++I)
- E->setIndexExpr(I, Reader.ReadSubExpr());
-}
-
-void PCHStmtReader::VisitSizeOfAlignOfExpr(SizeOfAlignOfExpr *E) {
- VisitExpr(E);
- E->setSizeof(Record[Idx++]);
- if (Record[Idx] == 0) {
- E->setArgument(Reader.ReadSubExpr());
- ++Idx;
- } else {
- E->setArgument(Reader.GetTypeSourceInfo(DeclsCursor, Record, Idx));
- }
- E->setOperatorLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
- E->setRParenLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
-}
-
-void PCHStmtReader::VisitArraySubscriptExpr(ArraySubscriptExpr *E) {
- VisitExpr(E);
- E->setLHS(Reader.ReadSubExpr());
- E->setRHS(Reader.ReadSubExpr());
- E->setRBracketLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
-}
-
-void PCHStmtReader::VisitCallExpr(CallExpr *E) {
- VisitExpr(E);
- E->setNumArgs(*Reader.getContext(), Record[Idx++]);
- E->setRParenLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
- E->setCallee(Reader.ReadSubExpr());
- for (unsigned I = 0, N = E->getNumArgs(); I != N; ++I)
- E->setArg(I, Reader.ReadSubExpr());
-}
-
-void PCHStmtReader::VisitMemberExpr(MemberExpr *E) {
- // Don't call VisitExpr, this is fully initialized at creation.
- assert(E->getStmtClass() == Stmt::MemberExprClass &&
- "It's a subclass, we must advance Idx!");
-}
-
-void PCHStmtReader::VisitObjCIsaExpr(ObjCIsaExpr *E) {
- VisitExpr(E);
- E->setBase(Reader.ReadSubExpr());
- E->setIsaMemberLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
- E->setArrow(Record[Idx++]);
-}
-
-void PCHStmtReader::VisitCastExpr(CastExpr *E) {
- VisitExpr(E);
- unsigned NumBaseSpecs = Record[Idx++];
- assert(NumBaseSpecs == E->path_size());
- E->setSubExpr(Reader.ReadSubExpr());
- E->setCastKind((CastExpr::CastKind)Record[Idx++]);
- CastExpr::path_iterator BaseI = E->path_begin();
- while (NumBaseSpecs--) {
- CXXBaseSpecifier *BaseSpec = new (*Reader.getContext()) CXXBaseSpecifier;
- *BaseSpec = Reader.ReadCXXBaseSpecifier(DeclsCursor, Record, Idx);
- *BaseI++ = BaseSpec;
- }
-}
-
-void PCHStmtReader::VisitBinaryOperator(BinaryOperator *E) {
- VisitExpr(E);
- E->setLHS(Reader.ReadSubExpr());
- E->setRHS(Reader.ReadSubExpr());
- E->setOpcode((BinaryOperator::Opcode)Record[Idx++]);
- E->setOperatorLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
-}
-
-void PCHStmtReader::VisitCompoundAssignOperator(CompoundAssignOperator *E) {
- VisitBinaryOperator(E);
- E->setComputationLHSType(Reader.GetType(Record[Idx++]));
- E->setComputationResultType(Reader.GetType(Record[Idx++]));
-}
-
-void PCHStmtReader::VisitConditionalOperator(ConditionalOperator *E) {
- VisitExpr(E);
- E->setCond(Reader.ReadSubExpr());
- E->setLHS(Reader.ReadSubExpr());
- E->setRHS(Reader.ReadSubExpr());
- E->setQuestionLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
- E->setColonLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
-}
-
-void PCHStmtReader::VisitImplicitCastExpr(ImplicitCastExpr *E) {
- VisitCastExpr(E);
- E->setCategory(static_cast<ImplicitCastExpr::ResultCategory>(Record[Idx++]));
-}
-
-void PCHStmtReader::VisitExplicitCastExpr(ExplicitCastExpr *E) {
- VisitCastExpr(E);
- E->setTypeInfoAsWritten(Reader.GetTypeSourceInfo(DeclsCursor, Record, Idx));
-}
-
-void PCHStmtReader::VisitCStyleCastExpr(CStyleCastExpr *E) {
- VisitExplicitCastExpr(E);
- E->setLParenLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
- E->setRParenLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
-}
-
-void PCHStmtReader::VisitCompoundLiteralExpr(CompoundLiteralExpr *E) {
- VisitExpr(E);
- E->setLParenLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
- E->setTypeSourceInfo(Reader.GetTypeSourceInfo(DeclsCursor, Record, Idx));
- E->setInitializer(Reader.ReadSubExpr());
- E->setFileScope(Record[Idx++]);
-}
-
-void PCHStmtReader::VisitExtVectorElementExpr(ExtVectorElementExpr *E) {
- VisitExpr(E);
- E->setBase(Reader.ReadSubExpr());
- E->setAccessor(Reader.GetIdentifierInfo(Record, Idx));
- E->setAccessorLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
-}
-
-void PCHStmtReader::VisitInitListExpr(InitListExpr *E) {
- VisitExpr(E);
- unsigned NumInits = Record[Idx++];
- E->reserveInits(*Reader.getContext(), NumInits);
- for (unsigned I = 0; I != NumInits; ++I)
- E->updateInit(*Reader.getContext(), I, Reader.ReadSubExpr());
- E->setSyntacticForm(cast_or_null<InitListExpr>(Reader.ReadSubStmt()));
- E->setLBraceLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
- E->setRBraceLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
- E->setInitializedFieldInUnion(
- cast_or_null<FieldDecl>(Reader.GetDecl(Record[Idx++])));
- E->sawArrayRangeDesignator(Record[Idx++]);
-}
-
-void PCHStmtReader::VisitDesignatedInitExpr(DesignatedInitExpr *E) {
- typedef DesignatedInitExpr::Designator Designator;
-
- VisitExpr(E);
- unsigned NumSubExprs = Record[Idx++];
- assert(NumSubExprs == E->getNumSubExprs() && "Wrong number of subexprs");
- for (unsigned I = 0; I != NumSubExprs; ++I)
- E->setSubExpr(I, Reader.ReadSubExpr());
- E->setEqualOrColonLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
- E->setGNUSyntax(Record[Idx++]);
-
- llvm::SmallVector<Designator, 4> Designators;
- while (Idx < Record.size()) {
- switch ((pch::DesignatorTypes)Record[Idx++]) {
- case pch::DESIG_FIELD_DECL: {
- FieldDecl *Field = cast<FieldDecl>(Reader.GetDecl(Record[Idx++]));
- SourceLocation DotLoc
- = SourceLocation::getFromRawEncoding(Record[Idx++]);
- SourceLocation FieldLoc
- = SourceLocation::getFromRawEncoding(Record[Idx++]);
- Designators.push_back(Designator(Field->getIdentifier(), DotLoc,
- FieldLoc));
- Designators.back().setField(Field);
- break;
- }
-
- case pch::DESIG_FIELD_NAME: {
- const IdentifierInfo *Name = Reader.GetIdentifierInfo(Record, Idx);
- SourceLocation DotLoc
- = SourceLocation::getFromRawEncoding(Record[Idx++]);
- SourceLocation FieldLoc
- = SourceLocation::getFromRawEncoding(Record[Idx++]);
- Designators.push_back(Designator(Name, DotLoc, FieldLoc));
- break;
- }
-
- case pch::DESIG_ARRAY: {
- unsigned Index = Record[Idx++];
- SourceLocation LBracketLoc
- = SourceLocation::getFromRawEncoding(Record[Idx++]);
- SourceLocation RBracketLoc
- = SourceLocation::getFromRawEncoding(Record[Idx++]);
- Designators.push_back(Designator(Index, LBracketLoc, RBracketLoc));
- break;
- }
-
- case pch::DESIG_ARRAY_RANGE: {
- unsigned Index = Record[Idx++];
- SourceLocation LBracketLoc
- = SourceLocation::getFromRawEncoding(Record[Idx++]);
- SourceLocation EllipsisLoc
- = SourceLocation::getFromRawEncoding(Record[Idx++]);
- SourceLocation RBracketLoc
- = SourceLocation::getFromRawEncoding(Record[Idx++]);
- Designators.push_back(Designator(Index, LBracketLoc, EllipsisLoc,
- RBracketLoc));
- break;
- }
- }
- }
- E->setDesignators(*Reader.getContext(),
- Designators.data(), Designators.size());
-}
-
-void PCHStmtReader::VisitImplicitValueInitExpr(ImplicitValueInitExpr *E) {
- VisitExpr(E);
-}
-
-void PCHStmtReader::VisitVAArgExpr(VAArgExpr *E) {
- VisitExpr(E);
- E->setSubExpr(Reader.ReadSubExpr());
- E->setWrittenTypeInfo(Reader.GetTypeSourceInfo(DeclsCursor, Record, Idx));
- E->setBuiltinLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
- E->setRParenLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
-}
-
-void PCHStmtReader::VisitAddrLabelExpr(AddrLabelExpr *E) {
- VisitExpr(E);
- E->setAmpAmpLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
- E->setLabelLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
- Reader.SetLabelOf(E, Record[Idx++]);
-}
-
-void PCHStmtReader::VisitStmtExpr(StmtExpr *E) {
- VisitExpr(E);
- E->setLParenLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
- E->setRParenLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
- E->setSubStmt(cast_or_null<CompoundStmt>(Reader.ReadSubStmt()));
-}
-
-void PCHStmtReader::VisitTypesCompatibleExpr(TypesCompatibleExpr *E) {
- VisitExpr(E);
- E->setArgTInfo1(Reader.GetTypeSourceInfo(DeclsCursor, Record, Idx));
- E->setArgTInfo2(Reader.GetTypeSourceInfo(DeclsCursor, Record, Idx));
- E->setBuiltinLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
- E->setRParenLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
-}
-
-void PCHStmtReader::VisitChooseExpr(ChooseExpr *E) {
- VisitExpr(E);
- E->setCond(Reader.ReadSubExpr());
- E->setLHS(Reader.ReadSubExpr());
- E->setRHS(Reader.ReadSubExpr());
- E->setBuiltinLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
- E->setRParenLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
-}
-
-void PCHStmtReader::VisitGNUNullExpr(GNUNullExpr *E) {
- VisitExpr(E);
- E->setTokenLocation(SourceLocation::getFromRawEncoding(Record[Idx++]));
-}
-
-void PCHStmtReader::VisitShuffleVectorExpr(ShuffleVectorExpr *E) {
- VisitExpr(E);
- llvm::SmallVector<Expr *, 16> Exprs;
- unsigned NumExprs = Record[Idx++];
- while (NumExprs--)
- Exprs.push_back(Reader.ReadSubExpr());
- E->setExprs(*Reader.getContext(), Exprs.data(), Exprs.size());
- E->setBuiltinLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
- E->setRParenLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
-}
-
-void PCHStmtReader::VisitBlockExpr(BlockExpr *E) {
- VisitExpr(E);
- E->setBlockDecl(cast_or_null<BlockDecl>(Reader.GetDecl(Record[Idx++])));
- E->setHasBlockDeclRefExprs(Record[Idx++]);
-}
-
-void PCHStmtReader::VisitBlockDeclRefExpr(BlockDeclRefExpr *E) {
- VisitExpr(E);
- E->setDecl(cast<ValueDecl>(Reader.GetDecl(Record[Idx++])));
- E->setLocation(SourceLocation::getFromRawEncoding(Record[Idx++]));
- E->setByRef(Record[Idx++]);
- E->setConstQualAdded(Record[Idx++]);
- E->setCopyConstructorExpr(Reader.ReadSubExpr());
-}
-
-//===----------------------------------------------------------------------===//
-// Objective-C Expressions and Statements
-
-void PCHStmtReader::VisitObjCStringLiteral(ObjCStringLiteral *E) {
- VisitExpr(E);
- E->setString(cast<StringLiteral>(Reader.ReadSubStmt()));
- E->setAtLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
-}
-
-void PCHStmtReader::VisitObjCEncodeExpr(ObjCEncodeExpr *E) {
- VisitExpr(E);
- E->setEncodedTypeSourceInfo(Reader.GetTypeSourceInfo(DeclsCursor,Record,Idx));
- E->setAtLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
- E->setRParenLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
-}
-
-void PCHStmtReader::VisitObjCSelectorExpr(ObjCSelectorExpr *E) {
- VisitExpr(E);
- E->setSelector(Reader.GetSelector(Record, Idx));
- E->setAtLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
- E->setRParenLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
-}
-
-void PCHStmtReader::VisitObjCProtocolExpr(ObjCProtocolExpr *E) {
- VisitExpr(E);
- E->setProtocol(cast<ObjCProtocolDecl>(Reader.GetDecl(Record[Idx++])));
- E->setAtLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
- E->setRParenLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
-}
-
-void PCHStmtReader::VisitObjCIvarRefExpr(ObjCIvarRefExpr *E) {
- VisitExpr(E);
- E->setDecl(cast<ObjCIvarDecl>(Reader.GetDecl(Record[Idx++])));
- E->setLocation(SourceLocation::getFromRawEncoding(Record[Idx++]));
- E->setBase(Reader.ReadSubExpr());
- E->setIsArrow(Record[Idx++]);
- E->setIsFreeIvar(Record[Idx++]);
-}
-
-void PCHStmtReader::VisitObjCPropertyRefExpr(ObjCPropertyRefExpr *E) {
- VisitExpr(E);
- E->setProperty(cast<ObjCPropertyDecl>(Reader.GetDecl(Record[Idx++])));
- E->setLocation(SourceLocation::getFromRawEncoding(Record[Idx++]));
- E->setBase(Reader.ReadSubExpr());
-}
-
-void PCHStmtReader::VisitObjCImplicitSetterGetterRefExpr(
- ObjCImplicitSetterGetterRefExpr *E) {
- VisitExpr(E);
- E->setGetterMethod(
- cast_or_null<ObjCMethodDecl>(Reader.GetDecl(Record[Idx++])));
- E->setSetterMethod(
- cast_or_null<ObjCMethodDecl>(Reader.GetDecl(Record[Idx++])));
- E->setInterfaceDecl(
- cast_or_null<ObjCInterfaceDecl>(Reader.GetDecl(Record[Idx++])));
- E->setBase(Reader.ReadSubExpr());
- E->setLocation(SourceLocation::getFromRawEncoding(Record[Idx++]));
- E->setClassLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
-}
-
-void PCHStmtReader::VisitObjCMessageExpr(ObjCMessageExpr *E) {
- VisitExpr(E);
- assert(Record[Idx] == E->getNumArgs());
- ++Idx;
- ObjCMessageExpr::ReceiverKind Kind
- = static_cast<ObjCMessageExpr::ReceiverKind>(Record[Idx++]);
- switch (Kind) {
- case ObjCMessageExpr::Instance:
- E->setInstanceReceiver(Reader.ReadSubExpr());
- break;
-
- case ObjCMessageExpr::Class:
- E->setClassReceiver(Reader.GetTypeSourceInfo(DeclsCursor, Record, Idx));
- break;
-
- case ObjCMessageExpr::SuperClass:
- case ObjCMessageExpr::SuperInstance: {
- QualType T = Reader.GetType(Record[Idx++]);
- SourceLocation SuperLoc = SourceLocation::getFromRawEncoding(Record[Idx++]);
- E->setSuper(SuperLoc, T, Kind == ObjCMessageExpr::SuperInstance);
- break;
- }
- }
-
- assert(Kind == E->getReceiverKind());
-
- if (Record[Idx++])
- E->setMethodDecl(cast_or_null<ObjCMethodDecl>(Reader.GetDecl(Record[Idx++])));
- else
- E->setSelector(Reader.GetSelector(Record, Idx));
-
- E->setLeftLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
- E->setRightLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
-
- for (unsigned I = 0, N = E->getNumArgs(); I != N; ++I)
- E->setArg(I, Reader.ReadSubExpr());
-}
-
-void PCHStmtReader::VisitObjCSuperExpr(ObjCSuperExpr *E) {
- VisitExpr(E);
- E->setLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
-}
-
-void PCHStmtReader::VisitObjCForCollectionStmt(ObjCForCollectionStmt *S) {
- VisitStmt(S);
- S->setElement(Reader.ReadSubStmt());
- S->setCollection(Reader.ReadSubExpr());
- S->setBody(Reader.ReadSubStmt());
- S->setForLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
- S->setRParenLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
-}
-
-void PCHStmtReader::VisitObjCAtCatchStmt(ObjCAtCatchStmt *S) {
- VisitStmt(S);
- S->setCatchBody(Reader.ReadSubStmt());
- S->setCatchParamDecl(cast_or_null<VarDecl>(Reader.GetDecl(Record[Idx++])));
- S->setAtCatchLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
- S->setRParenLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
-}
-
-void PCHStmtReader::VisitObjCAtFinallyStmt(ObjCAtFinallyStmt *S) {
- VisitStmt(S);
- S->setFinallyBody(Reader.ReadSubStmt());
- S->setAtFinallyLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
-}
-
-void PCHStmtReader::VisitObjCAtTryStmt(ObjCAtTryStmt *S) {
- VisitStmt(S);
- assert(Record[Idx] == S->getNumCatchStmts());
- ++Idx;
- bool HasFinally = Record[Idx++];
- S->setTryBody(Reader.ReadSubStmt());
- for (unsigned I = 0, N = S->getNumCatchStmts(); I != N; ++I)
- S->setCatchStmt(I, cast_or_null<ObjCAtCatchStmt>(Reader.ReadSubStmt()));
-
- if (HasFinally)
- S->setFinallyStmt(Reader.ReadSubStmt());
- S->setAtTryLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
-}
-
-void PCHStmtReader::VisitObjCAtSynchronizedStmt(ObjCAtSynchronizedStmt *S) {
- VisitStmt(S);
- S->setSynchExpr(Reader.ReadSubStmt());
- S->setSynchBody(Reader.ReadSubStmt());
- S->setAtSynchronizedLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
-}
-
-void PCHStmtReader::VisitObjCAtThrowStmt(ObjCAtThrowStmt *S) {
- VisitStmt(S);
- S->setThrowExpr(Reader.ReadSubStmt());
- S->setThrowLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
-}
-
-//===----------------------------------------------------------------------===//
-// C++ Expressions and Statements
-//===----------------------------------------------------------------------===//
-
-void PCHStmtReader::VisitCXXCatchStmt(CXXCatchStmt *S) {
- VisitStmt(S);
- S->CatchLoc = Reader.ReadSourceLocation(Record, Idx);
- S->ExceptionDecl = cast_or_null<VarDecl>(Reader.GetDecl(Record[Idx++]));
- S->HandlerBlock = Reader.ReadSubStmt();
-}
-
-void PCHStmtReader::VisitCXXTryStmt(CXXTryStmt *S) {
- VisitStmt(S);
- assert(Record[Idx] == S->getNumHandlers() && "NumStmtFields is wrong ?");
- ++Idx;
- S->TryLoc = Reader.ReadSourceLocation(Record, Idx);
- S->getStmts()[0] = Reader.ReadSubStmt();
- for (unsigned i = 0, e = S->getNumHandlers(); i != e; ++i)
- S->getStmts()[i + 1] = Reader.ReadSubStmt();
-}
-
-void PCHStmtReader::VisitCXXOperatorCallExpr(CXXOperatorCallExpr *E) {
- VisitCallExpr(E);
- E->setOperator((OverloadedOperatorKind)Record[Idx++]);
-}
-
-void PCHStmtReader::VisitCXXConstructExpr(CXXConstructExpr *E) {
- VisitExpr(E);
- E->NumArgs = Record[Idx++];
- if (E->NumArgs)
- E->Args = new (*Reader.getContext()) Stmt*[E->NumArgs];
- for (unsigned I = 0, N = E->getNumArgs(); I != N; ++I)
- E->setArg(I, Reader.ReadSubExpr());
- E->setConstructor(cast<CXXConstructorDecl>(Reader.GetDecl(Record[Idx++])));
- E->setLocation(SourceLocation::getFromRawEncoding(Record[Idx++]));
- E->setElidable(Record[Idx++]);
- E->setRequiresZeroInitialization(Record[Idx++]);
- E->setConstructionKind((CXXConstructExpr::ConstructionKind)Record[Idx++]);
-}
-
-void PCHStmtReader::VisitCXXTemporaryObjectExpr(CXXTemporaryObjectExpr *E) {
- VisitCXXConstructExpr(E);
- E->TyBeginLoc = Reader.ReadSourceLocation(Record, Idx);
- E->RParenLoc = Reader.ReadSourceLocation(Record, Idx);
-}
-
-void PCHStmtReader::VisitCXXNamedCastExpr(CXXNamedCastExpr *E) {
- VisitExplicitCastExpr(E);
- E->setOperatorLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
-}
-
-void PCHStmtReader::VisitCXXStaticCastExpr(CXXStaticCastExpr *E) {
- return VisitCXXNamedCastExpr(E);
-}
-
-void PCHStmtReader::VisitCXXDynamicCastExpr(CXXDynamicCastExpr *E) {
- return VisitCXXNamedCastExpr(E);
-}
-
-void PCHStmtReader::VisitCXXReinterpretCastExpr(CXXReinterpretCastExpr *E) {
- return VisitCXXNamedCastExpr(E);
-}
-
-void PCHStmtReader::VisitCXXConstCastExpr(CXXConstCastExpr *E) {
- return VisitCXXNamedCastExpr(E);
-}
-
-void PCHStmtReader::VisitCXXFunctionalCastExpr(CXXFunctionalCastExpr *E) {
- VisitExplicitCastExpr(E);
- E->setTypeBeginLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
- E->setRParenLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
-}
-
-void PCHStmtReader::VisitCXXBoolLiteralExpr(CXXBoolLiteralExpr *E) {
- VisitExpr(E);
- E->setValue(Record[Idx++]);
- E->setLocation(SourceLocation::getFromRawEncoding(Record[Idx++]));
-}
-
-void PCHStmtReader::VisitCXXNullPtrLiteralExpr(CXXNullPtrLiteralExpr *E) {
- VisitExpr(E);
- E->setLocation(SourceLocation::getFromRawEncoding(Record[Idx++]));
-}
-
-void PCHStmtReader::VisitCXXTypeidExpr(CXXTypeidExpr *E) {
- VisitExpr(E);
- E->setSourceRange(Reader.ReadSourceRange(Record, Idx));
- if (E->isTypeOperand()) { // typeid(int)
- E->setTypeOperandSourceInfo(
- Reader.GetTypeSourceInfo(DeclsCursor, Record, Idx));
- return;
- }
-
- // typeid(42+2)
- E->setExprOperand(Reader.ReadSubExpr());
-}
-
-void PCHStmtReader::VisitCXXThisExpr(CXXThisExpr *E) {
- VisitExpr(E);
- E->setLocation(SourceLocation::getFromRawEncoding(Record[Idx++]));
- E->setImplicit(Record[Idx++]);
-}
-
-void PCHStmtReader::VisitCXXThrowExpr(CXXThrowExpr *E) {
- VisitExpr(E);
- E->setThrowLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
- E->setSubExpr(Reader.ReadSubExpr());
-}
-
-void PCHStmtReader::VisitCXXDefaultArgExpr(CXXDefaultArgExpr *E) {
- VisitExpr(E);
-
- assert(Record[Idx] == E->Param.getInt() && "We messed up at creation ?");
- ++Idx; // HasOtherExprStored and SubExpr was handled during creation.
- E->Param.setPointer(cast<ParmVarDecl>(Reader.GetDecl(Record[Idx++])));
- E->Loc = Reader.ReadSourceLocation(Record, Idx);
-}
-
-void PCHStmtReader::VisitCXXBindTemporaryExpr(CXXBindTemporaryExpr *E) {
- VisitExpr(E);
- E->setTemporary(Reader.ReadCXXTemporary(Record, Idx));
- E->setSubExpr(Reader.ReadSubExpr());
-}
-
-void PCHStmtReader::VisitCXXBindReferenceExpr(CXXBindReferenceExpr *E) {
- VisitExpr(E);
- E->SubExpr = Reader.ReadSubExpr();
- E->ExtendsLifetime = Record[Idx++];
- E->RequiresTemporaryCopy = Record[Idx++];
-}
-
-void PCHStmtReader::VisitCXXScalarValueInitExpr(CXXScalarValueInitExpr *E) {
- VisitExpr(E);
- E->setTypeBeginLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
- E->setRParenLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
-}
-
-void PCHStmtReader::VisitCXXNewExpr(CXXNewExpr *E) {
- VisitExpr(E);
- E->setGlobalNew(Record[Idx++]);
- E->setHasInitializer(Record[Idx++]);
- bool isArray = Record[Idx++];
- unsigned NumPlacementArgs = Record[Idx++];
- unsigned NumCtorArgs = Record[Idx++];
- E->setOperatorNew(cast_or_null<FunctionDecl>(Reader.GetDecl(Record[Idx++])));
- E->setOperatorDelete(
- cast_or_null<FunctionDecl>(Reader.GetDecl(Record[Idx++])));
- E->setConstructor(
- cast_or_null<CXXConstructorDecl>(Reader.GetDecl(Record[Idx++])));
- SourceRange TypeIdParens;
- TypeIdParens.setBegin(SourceLocation::getFromRawEncoding(Record[Idx++]));
- TypeIdParens.setEnd(SourceLocation::getFromRawEncoding(Record[Idx++]));
- E->TypeIdParens = TypeIdParens;
- E->setStartLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
- E->setEndLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
-
- E->AllocateArgsArray(*Reader.getContext(), isArray, NumPlacementArgs,
- NumCtorArgs);
-
- // Install all the subexpressions.
- for (CXXNewExpr::raw_arg_iterator I = E->raw_arg_begin(),e = E->raw_arg_end();
- I != e; ++I)
- *I = Reader.ReadSubStmt();
-}
-
-void PCHStmtReader::VisitCXXDeleteExpr(CXXDeleteExpr *E) {
- VisitExpr(E);
- E->setGlobalDelete(Record[Idx++]);
- E->setArrayForm(Record[Idx++]);
- E->setOperatorDelete(
- cast_or_null<FunctionDecl>(Reader.GetDecl(Record[Idx++])));
- E->setArgument(Reader.ReadSubExpr());
- E->setStartLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
-}
-
-void PCHStmtReader::VisitCXXPseudoDestructorExpr(CXXPseudoDestructorExpr *E) {
- VisitExpr(E);
-
- E->setBase(Reader.ReadSubExpr());
- E->setArrow(Record[Idx++]);
- E->setOperatorLoc(Reader.ReadSourceLocation(Record, Idx));
- E->setQualifier(Reader.ReadNestedNameSpecifier(Record, Idx));
- E->setQualifierRange(Reader.ReadSourceRange(Record, Idx));
- E->setScopeTypeInfo(Reader.GetTypeSourceInfo(DeclsCursor, Record, Idx));
- E->setColonColonLoc(Reader.ReadSourceLocation(Record, Idx));
- E->setTildeLoc(Reader.ReadSourceLocation(Record, Idx));
-
- IdentifierInfo *II = Reader.GetIdentifierInfo(Record, Idx);
- if (II)
- E->setDestroyedType(II, Reader.ReadSourceLocation(Record, Idx));
- else
- E->setDestroyedType(Reader.GetTypeSourceInfo(DeclsCursor, Record, Idx));
-}
-
-void PCHStmtReader::VisitCXXExprWithTemporaries(CXXExprWithTemporaries *E) {
- VisitExpr(E);
- unsigned NumTemps = Record[Idx++];
- if (NumTemps) {
- E->setNumTemporaries(*Reader.getContext(), NumTemps);
- for (unsigned i = 0; i != NumTemps; ++i)
- E->setTemporary(i, Reader.ReadCXXTemporary(Record, Idx));
- }
- E->setSubExpr(Reader.ReadSubExpr());
-}
-
-void
-PCHStmtReader::VisitCXXDependentScopeMemberExpr(CXXDependentScopeMemberExpr *E){
- VisitExpr(E);
-
- unsigned NumTemplateArgs = Record[Idx++];
- assert((NumTemplateArgs != 0) == E->hasExplicitTemplateArgs() &&
- "Read wrong record during creation ?");
- if (E->hasExplicitTemplateArgs())
- ReadExplicitTemplateArgumentList(*E->getExplicitTemplateArgumentList(),
- NumTemplateArgs);
-
- E->setBase(Reader.ReadSubExpr());
- E->setBaseType(Reader.GetType(Record[Idx++]));
- E->setArrow(Record[Idx++]);
- E->setOperatorLoc(Reader.ReadSourceLocation(Record, Idx));
- E->setQualifier(Reader.ReadNestedNameSpecifier(Record, Idx));
- E->setQualifierRange(Reader.ReadSourceRange(Record, Idx));
- E->setFirstQualifierFoundInScope(
- cast_or_null<NamedDecl>(Reader.GetDecl(Record[Idx++])));
- // FIXME: read whole DeclarationNameInfo.
- E->setMember(Reader.ReadDeclarationName(Record, Idx));
- E->setMemberLoc(Reader.ReadSourceLocation(Record, Idx));
-}
-
-void
-PCHStmtReader::VisitDependentScopeDeclRefExpr(DependentScopeDeclRefExpr *E) {
- VisitExpr(E);
-
- unsigned NumTemplateArgs = Record[Idx++];
- assert((NumTemplateArgs != 0) == E->hasExplicitTemplateArgs() &&
- "Read wrong record during creation ?");
- if (E->hasExplicitTemplateArgs())
- ReadExplicitTemplateArgumentList(E->getExplicitTemplateArgs(),
- NumTemplateArgs);
-
- // FIXME: read whole DeclarationNameInfo.
- E->setDeclName(Reader.ReadDeclarationName(Record, Idx));
- E->setLocation(Reader.ReadSourceLocation(Record, Idx));
- E->setQualifierRange(Reader.ReadSourceRange(Record, Idx));
- E->setQualifier(Reader.ReadNestedNameSpecifier(Record, Idx));
-}
-
-void
-PCHStmtReader::VisitCXXUnresolvedConstructExpr(CXXUnresolvedConstructExpr *E) {
- VisitExpr(E);
- assert(Record[Idx] == E->arg_size() && "Read wrong record during creation ?");
- ++Idx; // NumArgs;
- for (unsigned I = 0, N = E->arg_size(); I != N; ++I)
- E->setArg(I, Reader.ReadSubExpr());
- E->setTypeBeginLoc(Reader.ReadSourceLocation(Record, Idx));
- E->setTypeAsWritten(Reader.GetType(Record[Idx++]));
- E->setLParenLoc(Reader.ReadSourceLocation(Record, Idx));
- E->setRParenLoc(Reader.ReadSourceLocation(Record, Idx));
-}
-
-void PCHStmtReader::VisitOverloadExpr(OverloadExpr *E) {
- VisitExpr(E);
-
- unsigned NumTemplateArgs = Record[Idx++];
- assert((NumTemplateArgs != 0) == E->hasExplicitTemplateArgs() &&
- "Read wrong record during creation ?");
- if (E->hasExplicitTemplateArgs())
- ReadExplicitTemplateArgumentList(E->getExplicitTemplateArgs(),
- NumTemplateArgs);
-
- unsigned NumDecls = Record[Idx++];
- UnresolvedSet<8> Decls;
- for (unsigned i = 0; i != NumDecls; ++i) {
- NamedDecl *D = cast<NamedDecl>(Reader.GetDecl(Record[Idx++]));
- AccessSpecifier AS = (AccessSpecifier)Record[Idx++];
- Decls.addDecl(D, AS);
- }
- E->initializeResults(*Reader.getContext(), Decls.begin(), Decls.end());
-
- // FIXME: read whole DeclarationNameInfo.
- E->setName(Reader.ReadDeclarationName(Record, Idx));
- E->setQualifier(Reader.ReadNestedNameSpecifier(Record, Idx));
- E->setQualifierRange(Reader.ReadSourceRange(Record, Idx));
- E->setNameLoc(Reader.ReadSourceLocation(Record, Idx));
-}
-
-void PCHStmtReader::VisitUnresolvedMemberExpr(UnresolvedMemberExpr *E) {
- VisitOverloadExpr(E);
- E->setArrow(Record[Idx++]);
- E->setHasUnresolvedUsing(Record[Idx++]);
- E->setBase(Reader.ReadSubExpr());
- E->setBaseType(Reader.GetType(Record[Idx++]));
- E->setOperatorLoc(Reader.ReadSourceLocation(Record, Idx));
-}
-
-void PCHStmtReader::VisitUnresolvedLookupExpr(UnresolvedLookupExpr *E) {
- VisitOverloadExpr(E);
- E->setRequiresADL(Record[Idx++]);
- E->setOverloaded(Record[Idx++]);
- E->setNamingClass(cast_or_null<CXXRecordDecl>(Reader.GetDecl(Record[Idx++])));
-}
-
-void PCHStmtReader::VisitUnaryTypeTraitExpr(UnaryTypeTraitExpr *E) {
- VisitExpr(E);
- E->UTT = (UnaryTypeTrait)Record[Idx++];
- SourceRange Range = Reader.ReadSourceRange(Record, Idx);
- E->Loc = Range.getBegin();
- E->RParen = Range.getEnd();
- E->QueriedType = Reader.GetType(Record[Idx++]);
-}
-
-Stmt *PCHReader::ReadStmt(llvm::BitstreamCursor &Cursor) {
- switch (ReadingKind) {
- case Read_Decl:
- case Read_Type:
- return ReadStmtFromStream(Cursor);
- case Read_Stmt:
- return ReadSubStmt();
- }
-
- llvm_unreachable("ReadingKind not set ?");
- return 0;
-}
-
-Expr *PCHReader::ReadExpr(llvm::BitstreamCursor &Cursor) {
- return cast_or_null<Expr>(ReadStmt(Cursor));
-}
-
-Expr *PCHReader::ReadSubExpr() {
- return cast_or_null<Expr>(ReadSubStmt());
-}
-
-// Within the bitstream, expressions are stored in Reverse Polish
-// Notation, with each of the subexpressions preceding the
-// expression they are stored in. Subexpressions are stored from last to first.
-// To evaluate expressions, we continue reading expressions and placing them on
-// the stack, with expressions having operands removing those operands from the
-// stack. Evaluation terminates when we see a STMT_STOP record, and
-// the single remaining expression on the stack is our result.
-Stmt *PCHReader::ReadStmtFromStream(llvm::BitstreamCursor &Cursor) {
-
- ReadingKindTracker ReadingKind(Read_Stmt, *this);
-
-#ifndef NDEBUG
- unsigned PrevNumStmts = StmtStack.size();
-#endif
-
- RecordData Record;
- unsigned Idx;
- PCHStmtReader Reader(*this, Cursor, Record, Idx);
- Stmt::EmptyShell Empty;
-
- while (true) {
- unsigned Code = Cursor.ReadCode();
- if (Code == llvm::bitc::END_BLOCK) {
- if (Cursor.ReadBlockEnd()) {
- Error("error at end of block in PCH file");
- return 0;
- }
- break;
- }
-
- if (Code == llvm::bitc::ENTER_SUBBLOCK) {
- // No known subblocks, always skip them.
- Cursor.ReadSubBlockID();
- if (Cursor.SkipBlock()) {
- Error("malformed block record in PCH file");
- return 0;
- }
- continue;
- }
-
- if (Code == llvm::bitc::DEFINE_ABBREV) {
- Cursor.ReadAbbrevRecord();
- continue;
- }
-
- Stmt *S = 0;
- Idx = 0;
- Record.clear();
- bool Finished = false;
- switch ((pch::StmtCode)Cursor.ReadRecord(Code, Record)) {
- case pch::STMT_STOP:
- Finished = true;
- break;
-
- case pch::STMT_NULL_PTR:
- S = 0;
- break;
-
- case pch::STMT_NULL:
- S = new (Context) NullStmt(Empty);
- break;
-
- case pch::STMT_COMPOUND:
- S = new (Context) CompoundStmt(Empty);
- break;
-
- case pch::STMT_CASE:
- S = new (Context) CaseStmt(Empty);
- break;
-
- case pch::STMT_DEFAULT:
- S = new (Context) DefaultStmt(Empty);
- break;
-
- case pch::STMT_LABEL:
- S = new (Context) LabelStmt(Empty);
- break;
-
- case pch::STMT_IF:
- S = new (Context) IfStmt(Empty);
- break;
-
- case pch::STMT_SWITCH:
- S = new (Context) SwitchStmt(Empty);
- break;
-
- case pch::STMT_WHILE:
- S = new (Context) WhileStmt(Empty);
- break;
-
- case pch::STMT_DO:
- S = new (Context) DoStmt(Empty);
- break;
-
- case pch::STMT_FOR:
- S = new (Context) ForStmt(Empty);
- break;
-
- case pch::STMT_GOTO:
- S = new (Context) GotoStmt(Empty);
- break;
-
- case pch::STMT_INDIRECT_GOTO:
- S = new (Context) IndirectGotoStmt(Empty);
- break;
-
- case pch::STMT_CONTINUE:
- S = new (Context) ContinueStmt(Empty);
- break;
-
- case pch::STMT_BREAK:
- S = new (Context) BreakStmt(Empty);
- break;
-
- case pch::STMT_RETURN:
- S = new (Context) ReturnStmt(Empty);
- break;
-
- case pch::STMT_DECL:
- S = new (Context) DeclStmt(Empty);
- break;
-
- case pch::STMT_ASM:
- S = new (Context) AsmStmt(Empty);
- break;
-
- case pch::EXPR_PREDEFINED:
- S = new (Context) PredefinedExpr(Empty);
- break;
-
- case pch::EXPR_DECL_REF:
- S = DeclRefExpr::CreateEmpty(*Context,
- /*HasQualifier=*/Record[PCHStmtReader::NumExprFields],
- /*NumTemplateArgs=*/Record[PCHStmtReader::NumExprFields + 1]);
- break;
-
- case pch::EXPR_INTEGER_LITERAL:
- S = new (Context) IntegerLiteral(Empty);
- break;
-
- case pch::EXPR_FLOATING_LITERAL:
- S = new (Context) FloatingLiteral(Empty);
- break;
-
- case pch::EXPR_IMAGINARY_LITERAL:
- S = new (Context) ImaginaryLiteral(Empty);
- break;
-
- case pch::EXPR_STRING_LITERAL:
- S = StringLiteral::CreateEmpty(*Context,
- Record[PCHStmtReader::NumExprFields + 1]);
- break;
-
- case pch::EXPR_CHARACTER_LITERAL:
- S = new (Context) CharacterLiteral(Empty);
- break;
-
- case pch::EXPR_PAREN:
- S = new (Context) ParenExpr(Empty);
- break;
-
- case pch::EXPR_PAREN_LIST:
- S = new (Context) ParenListExpr(Empty);
- break;
-
- case pch::EXPR_UNARY_OPERATOR:
- S = new (Context) UnaryOperator(Empty);
- break;
-
- case pch::EXPR_OFFSETOF:
- S = OffsetOfExpr::CreateEmpty(*Context,
- Record[PCHStmtReader::NumExprFields],
- Record[PCHStmtReader::NumExprFields + 1]);
- break;
-
- case pch::EXPR_SIZEOF_ALIGN_OF:
- S = new (Context) SizeOfAlignOfExpr(Empty);
- break;
-
- case pch::EXPR_ARRAY_SUBSCRIPT:
- S = new (Context) ArraySubscriptExpr(Empty);
- break;
-
- case pch::EXPR_CALL:
- S = new (Context) CallExpr(*Context, Stmt::CallExprClass, Empty);
- break;
-
- case pch::EXPR_MEMBER: {
- // We load everything here and fully initialize it at creation.
- // That way we can use MemberExpr::Create and don't have to duplicate its
- // logic with a MemberExpr::CreateEmpty.
-
- assert(Idx == 0);
- NestedNameSpecifier *NNS = 0;
- SourceRange QualifierRange;
- if (Record[Idx++]) { // HasQualifier.
- NNS = ReadNestedNameSpecifier(Record, Idx);
- QualifierRange = ReadSourceRange(Record, Idx);
- }
-
- TemplateArgumentListInfo ArgInfo;
- unsigned NumTemplateArgs = Record[Idx++];
- if (NumTemplateArgs) {
- ArgInfo.setLAngleLoc(ReadSourceLocation(Record, Idx));
- ArgInfo.setRAngleLoc(ReadSourceLocation(Record, Idx));
- for (unsigned i = 0; i != NumTemplateArgs; ++i)
- ArgInfo.addArgument(ReadTemplateArgumentLoc(Cursor, Record, Idx));
- }
-
- NamedDecl *FoundD = cast_or_null<NamedDecl>(GetDecl(Record[Idx++]));
- AccessSpecifier AS = (AccessSpecifier)Record[Idx++];
- DeclAccessPair FoundDecl = DeclAccessPair::make(FoundD, AS);
-
- QualType T = GetType(Record[Idx++]);
- Expr *Base = ReadSubExpr();
- ValueDecl *MemberD = cast<ValueDecl>(GetDecl(Record[Idx++]));
- // FIXME: read DeclarationNameLoc.
- SourceLocation MemberLoc = ReadSourceLocation(Record, Idx);
- DeclarationNameInfo MemberNameInfo(MemberD->getDeclName(), MemberLoc);
- bool IsArrow = Record[Idx++];
-
- S = MemberExpr::Create(*Context, Base, IsArrow, NNS, QualifierRange,
- MemberD, FoundDecl, MemberNameInfo,
- NumTemplateArgs ? &ArgInfo : 0, T);
- break;
- }
-
- case pch::EXPR_BINARY_OPERATOR:
- S = new (Context) BinaryOperator(Empty);
- break;
-
- case pch::EXPR_COMPOUND_ASSIGN_OPERATOR:
- S = new (Context) CompoundAssignOperator(Empty);
- break;
-
- case pch::EXPR_CONDITIONAL_OPERATOR:
- S = new (Context) ConditionalOperator(Empty);
- break;
-
- case pch::EXPR_IMPLICIT_CAST:
- S = ImplicitCastExpr::CreateEmpty(*Context,
- /*PathSize*/ Record[PCHStmtReader::NumExprFields]);
- break;
-
- case pch::EXPR_CSTYLE_CAST:
- S = CStyleCastExpr::CreateEmpty(*Context,
- /*PathSize*/ Record[PCHStmtReader::NumExprFields]);
- break;
-
- case pch::EXPR_COMPOUND_LITERAL:
- S = new (Context) CompoundLiteralExpr(Empty);
- break;
-
- case pch::EXPR_EXT_VECTOR_ELEMENT:
- S = new (Context) ExtVectorElementExpr(Empty);
- break;
-
- case pch::EXPR_INIT_LIST:
- S = new (Context) InitListExpr(*getContext(), Empty);
- break;
-
- case pch::EXPR_DESIGNATED_INIT:
- S = DesignatedInitExpr::CreateEmpty(*Context,
- Record[PCHStmtReader::NumExprFields] - 1);
-
- break;
-
- case pch::EXPR_IMPLICIT_VALUE_INIT:
- S = new (Context) ImplicitValueInitExpr(Empty);
- break;
-
- case pch::EXPR_VA_ARG:
- S = new (Context) VAArgExpr(Empty);
- break;
-
- case pch::EXPR_ADDR_LABEL:
- S = new (Context) AddrLabelExpr(Empty);
- break;
-
- case pch::EXPR_STMT:
- S = new (Context) StmtExpr(Empty);
- break;
-
- case pch::EXPR_TYPES_COMPATIBLE:
- S = new (Context) TypesCompatibleExpr(Empty);
- break;
-
- case pch::EXPR_CHOOSE:
- S = new (Context) ChooseExpr(Empty);
- break;
-
- case pch::EXPR_GNU_NULL:
- S = new (Context) GNUNullExpr(Empty);
- break;
-
- case pch::EXPR_SHUFFLE_VECTOR:
- S = new (Context) ShuffleVectorExpr(Empty);
- break;
-
- case pch::EXPR_BLOCK:
- S = new (Context) BlockExpr(Empty);
- break;
-
- case pch::EXPR_BLOCK_DECL_REF:
- S = new (Context) BlockDeclRefExpr(Empty);
- break;
-
- case pch::EXPR_OBJC_STRING_LITERAL:
- S = new (Context) ObjCStringLiteral(Empty);
- break;
- case pch::EXPR_OBJC_ENCODE:
- S = new (Context) ObjCEncodeExpr(Empty);
- break;
- case pch::EXPR_OBJC_SELECTOR_EXPR:
- S = new (Context) ObjCSelectorExpr(Empty);
- break;
- case pch::EXPR_OBJC_PROTOCOL_EXPR:
- S = new (Context) ObjCProtocolExpr(Empty);
- break;
- case pch::EXPR_OBJC_IVAR_REF_EXPR:
- S = new (Context) ObjCIvarRefExpr(Empty);
- break;
- case pch::EXPR_OBJC_PROPERTY_REF_EXPR:
- S = new (Context) ObjCPropertyRefExpr(Empty);
- break;
- case pch::EXPR_OBJC_KVC_REF_EXPR:
- S = new (Context) ObjCImplicitSetterGetterRefExpr(Empty);
- break;
- case pch::EXPR_OBJC_MESSAGE_EXPR:
- S = ObjCMessageExpr::CreateEmpty(*Context,
- Record[PCHStmtReader::NumExprFields]);
- break;
- case pch::EXPR_OBJC_SUPER_EXPR:
- S = new (Context) ObjCSuperExpr(Empty);
- break;
- case pch::EXPR_OBJC_ISA:
- S = new (Context) ObjCIsaExpr(Empty);
- break;
- case pch::STMT_OBJC_FOR_COLLECTION:
- S = new (Context) ObjCForCollectionStmt(Empty);
- break;
- case pch::STMT_OBJC_CATCH:
- S = new (Context) ObjCAtCatchStmt(Empty);
- break;
- case pch::STMT_OBJC_FINALLY:
- S = new (Context) ObjCAtFinallyStmt(Empty);
- break;
- case pch::STMT_OBJC_AT_TRY:
- S = ObjCAtTryStmt::CreateEmpty(*Context,
- Record[PCHStmtReader::NumStmtFields],
- Record[PCHStmtReader::NumStmtFields + 1]);
- break;
- case pch::STMT_OBJC_AT_SYNCHRONIZED:
- S = new (Context) ObjCAtSynchronizedStmt(Empty);
- break;
- case pch::STMT_OBJC_AT_THROW:
- S = new (Context) ObjCAtThrowStmt(Empty);
- break;
-
- case pch::STMT_CXX_CATCH:
- S = new (Context) CXXCatchStmt(Empty);
- break;
-
- case pch::STMT_CXX_TRY:
- S = CXXTryStmt::Create(*Context, Empty,
- /*NumHandlers=*/Record[PCHStmtReader::NumStmtFields]);
- break;
-
- case pch::EXPR_CXX_OPERATOR_CALL:
- S = new (Context) CXXOperatorCallExpr(*Context, Empty);
- break;
-
- case pch::EXPR_CXX_MEMBER_CALL:
- S = new (Context) CXXMemberCallExpr(*Context, Empty);
- break;
-
- case pch::EXPR_CXX_CONSTRUCT:
- S = new (Context) CXXConstructExpr(Empty);
- break;
-
- case pch::EXPR_CXX_TEMPORARY_OBJECT:
- S = new (Context) CXXTemporaryObjectExpr(Empty);
- break;
-
- case pch::EXPR_CXX_STATIC_CAST:
- S = CXXStaticCastExpr::CreateEmpty(*Context,
- /*PathSize*/ Record[PCHStmtReader::NumExprFields]);
- break;
-
- case pch::EXPR_CXX_DYNAMIC_CAST:
- S = CXXDynamicCastExpr::CreateEmpty(*Context,
- /*PathSize*/ Record[PCHStmtReader::NumExprFields]);
- break;
-
- case pch::EXPR_CXX_REINTERPRET_CAST:
- S = CXXReinterpretCastExpr::CreateEmpty(*Context,
- /*PathSize*/ Record[PCHStmtReader::NumExprFields]);
- break;
-
- case pch::EXPR_CXX_CONST_CAST:
- S = CXXConstCastExpr::CreateEmpty(*Context);
- break;
-
- case pch::EXPR_CXX_FUNCTIONAL_CAST:
- S = CXXFunctionalCastExpr::CreateEmpty(*Context,
- /*PathSize*/ Record[PCHStmtReader::NumExprFields]);
- break;
-
- case pch::EXPR_CXX_BOOL_LITERAL:
- S = new (Context) CXXBoolLiteralExpr(Empty);
- break;
-
- case pch::EXPR_CXX_NULL_PTR_LITERAL:
- S = new (Context) CXXNullPtrLiteralExpr(Empty);
- break;
- case pch::EXPR_CXX_TYPEID_EXPR:
- S = new (Context) CXXTypeidExpr(Empty, true);
- break;
- case pch::EXPR_CXX_TYPEID_TYPE:
- S = new (Context) CXXTypeidExpr(Empty, false);
- break;
- case pch::EXPR_CXX_THIS:
- S = new (Context) CXXThisExpr(Empty);
- break;
- case pch::EXPR_CXX_THROW:
- S = new (Context) CXXThrowExpr(Empty);
- break;
- case pch::EXPR_CXX_DEFAULT_ARG: {
- bool HasOtherExprStored = Record[PCHStmtReader::NumExprFields];
- if (HasOtherExprStored) {
- Expr *SubExpr = ReadSubExpr();
- S = CXXDefaultArgExpr::Create(*Context, SourceLocation(), 0, SubExpr);
- } else
- S = new (Context) CXXDefaultArgExpr(Empty);
- break;
- }
- case pch::EXPR_CXX_BIND_TEMPORARY:
- S = new (Context) CXXBindTemporaryExpr(Empty);
- break;
- case pch::EXPR_CXX_BIND_REFERENCE:
- S = new (Context) CXXBindReferenceExpr(Empty);
- break;
-
- case pch::EXPR_CXX_SCALAR_VALUE_INIT:
- S = new (Context) CXXScalarValueInitExpr(Empty);
- break;
- case pch::EXPR_CXX_NEW:
- S = new (Context) CXXNewExpr(Empty);
- break;
- case pch::EXPR_CXX_DELETE:
- S = new (Context) CXXDeleteExpr(Empty);
- break;
- case pch::EXPR_CXX_PSEUDO_DESTRUCTOR:
- S = new (Context) CXXPseudoDestructorExpr(Empty);
- break;
-
- case pch::EXPR_CXX_EXPR_WITH_TEMPORARIES:
- S = new (Context) CXXExprWithTemporaries(Empty);
- break;
-
- case pch::EXPR_CXX_DEPENDENT_SCOPE_MEMBER:
- S = CXXDependentScopeMemberExpr::CreateEmpty(*Context,
- /*NumTemplateArgs=*/Record[PCHStmtReader::NumExprFields]);
- break;
-
- case pch::EXPR_CXX_DEPENDENT_SCOPE_DECL_REF:
- S = DependentScopeDeclRefExpr::CreateEmpty(*Context,
- /*NumTemplateArgs=*/Record[PCHStmtReader::NumExprFields]);
- break;
-
- case pch::EXPR_CXX_UNRESOLVED_CONSTRUCT:
- S = CXXUnresolvedConstructExpr::CreateEmpty(*Context,
- /*NumArgs=*/Record[PCHStmtReader::NumExprFields]);
- break;
-
- case pch::EXPR_CXX_UNRESOLVED_MEMBER:
- S = UnresolvedMemberExpr::CreateEmpty(*Context,
- /*NumTemplateArgs=*/Record[PCHStmtReader::NumExprFields]);
- break;
-
- case pch::EXPR_CXX_UNRESOLVED_LOOKUP:
- S = UnresolvedLookupExpr::CreateEmpty(*Context,
- /*NumTemplateArgs=*/Record[PCHStmtReader::NumExprFields]);
- break;
-
- case pch::EXPR_CXX_UNARY_TYPE_TRAIT:
- S = new (Context) UnaryTypeTraitExpr(Empty);
- break;
- }
-
- // We hit a STMT_STOP, so we're done with this expression.
- if (Finished)
- break;
-
- ++NumStatementsRead;
-
- if (S)
- Reader.Visit(S);
-
- assert(Idx == Record.size() && "Invalid deserialization of statement");
- StmtStack.push_back(S);
- }
-
-#ifndef NDEBUG
- assert(StmtStack.size() > PrevNumStmts && "Read too many sub stmts!");
- assert(StmtStack.size() == PrevNumStmts + 1 && "Extra expressions on stack!");
-#endif
-
- return StmtStack.pop_back_val();
-}
diff --git a/clang/lib/Frontend/PCHWriter.cpp b/clang/lib/Frontend/PCHWriter.cpp
deleted file mode 100644
index 76fd5528dc8..00000000000
--- a/clang/lib/Frontend/PCHWriter.cpp
+++ /dev/null
@@ -1,3094 +0,0 @@
-//===--- PCHWriter.cpp - Precompiled Headers Writer -----------------------===//
-//
-// The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-//
-// This file defines the PCHWriter class, which writes a precompiled header.
-//
-//===----------------------------------------------------------------------===//
-
-#include "clang/Frontend/PCHWriter.h"
-#include "clang/Sema/Sema.h"
-#include "clang/Sema/IdentifierResolver.h"
-#include "clang/AST/ASTContext.h"
-#include "clang/AST/Decl.h"
-#include "clang/AST/DeclContextInternals.h"
-#include "clang/AST/Expr.h"
-#include "clang/AST/Type.h"
-#include "clang/AST/TypeLocVisitor.h"
-#include "clang/Frontend/PCHReader.h"
-#include "clang/Lex/MacroInfo.h"
-#include "clang/Lex/PreprocessingRecord.h"
-#include "clang/Lex/Preprocessor.h"
-#include "clang/Lex/HeaderSearch.h"
-#include "clang/Basic/FileManager.h"
-#include "clang/Basic/OnDiskHashTable.h"
-#include "clang/Basic/SourceManager.h"
-#include "clang/Basic/SourceManagerInternals.h"
-#include "clang/Basic/TargetInfo.h"
-#include "clang/Basic/Version.h"
-#include "llvm/ADT/APFloat.h"
-#include "llvm/ADT/APInt.h"
-#include "llvm/ADT/StringExtras.h"
-#include "llvm/Bitcode/BitstreamWriter.h"
-#include "llvm/Support/MemoryBuffer.h"
-#include "llvm/System/Path.h"
-#include <cstdio>
-using namespace clang;
-
-template <typename T, typename Allocator>
-T *data(std::vector<T, Allocator> &v) {
- return v.empty() ? 0 : &v.front();
-}
-template <typename T, typename Allocator>
-const T *data(const std::vector<T, Allocator> &v) {
- return v.empty() ? 0 : &v.front();
-}
-
-//===----------------------------------------------------------------------===//
-// Type serialization
-//===----------------------------------------------------------------------===//
-
-namespace {
- class PCHTypeWriter {
- PCHWriter &Writer;
- PCHWriter::RecordData &Record;
-
- public:
- /// \brief Type code that corresponds to the record generated.
- pch::TypeCode Code;
-
- PCHTypeWriter(PCHWriter &Writer, PCHWriter::RecordData &Record)
- : Writer(Writer), Record(Record), Code(pch::TYPE_EXT_QUAL) { }
-
- void VisitArrayType(const ArrayType *T);
- void VisitFunctionType(const FunctionType *T);
- void VisitTagType(const TagType *T);
-
-#define TYPE(Class, Base) void Visit##Class##Type(const Class##Type *T);
-#define ABSTRACT_TYPE(Class, Base)
-#include "clang/AST/TypeNodes.def"
- };
-}
-
-void PCHTypeWriter::VisitBuiltinType(const BuiltinType *T) {
- assert(false && "Built-in types are never serialized");
-}
-
-void PCHTypeWriter::VisitComplexType(const ComplexType *T) {
- Writer.AddTypeRef(T->getElementType(), Record);
- Code = pch::TYPE_COMPLEX;
-}
-
-void PCHTypeWriter::VisitPointerType(const PointerType *T) {
- Writer.AddTypeRef(T->getPointeeType(), Record);
- Code = pch::TYPE_POINTER;
-}
-
-void PCHTypeWriter::VisitBlockPointerType(const BlockPointerType *T) {
- Writer.AddTypeRef(T->getPointeeType(), Record);
- Code = pch::TYPE_BLOCK_POINTER;
-}
-
-void PCHTypeWriter::VisitLValueReferenceType(const LValueReferenceType *T) {
- Writer.AddTypeRef(T->getPointeeType(), Record);
- Code = pch::TYPE_LVALUE_REFERENCE;
-}
-
-void PCHTypeWriter::VisitRValueReferenceType(const RValueReferenceType *T) {
- Writer.AddTypeRef(T->getPointeeType(), Record);
- Code = pch::TYPE_RVALUE_REFERENCE;
-}
-
-void PCHTypeWriter::VisitMemberPointerType(const MemberPointerType *T) {
- Writer.AddTypeRef(T->getPointeeType(), Record);
- Writer.AddTypeRef(QualType(T->getClass(), 0), Record);
- Code = pch::TYPE_MEMBER_POINTER;
-}
-
-void PCHTypeWriter::VisitArrayType(const ArrayType *T) {
- Writer.AddTypeRef(T->getElementType(), Record);
- Record.push_back(T->getSizeModifier()); // FIXME: stable values
- Record.push_back(T->getIndexTypeCVRQualifiers()); // FIXME: stable values
-}
-
-void PCHTypeWriter::VisitConstantArrayType(const ConstantArrayType *T) {
- VisitArrayType(T);
- Writer.AddAPInt(T->getSize(), Record);
- Code = pch::TYPE_CONSTANT_ARRAY;
-}
-
-void PCHTypeWriter::VisitIncompleteArrayType(const IncompleteArrayType *T) {
- VisitArrayType(T);
- Code = pch::TYPE_INCOMPLETE_ARRAY;
-}
-
-void PCHTypeWriter::VisitVariableArrayType(const VariableArrayType *T) {
- VisitArrayType(T);
- Writer.AddSourceLocation(T->getLBracketLoc(), Record);
- Writer.AddSourceLocation(T->getRBracketLoc(), Record);
- Writer.AddStmt(T->getSizeExpr());
- Code = pch::TYPE_VARIABLE_ARRAY;
-}
-
-void PCHTypeWriter::VisitVectorType(const VectorType *T) {
- Writer.AddTypeRef(T->getElementType(), Record);
- Record.push_back(T->getNumElements());
- Record.push_back(T->getAltiVecSpecific());
- Code = pch::TYPE_VECTOR;
-}
-
-void PCHTypeWriter::VisitExtVectorType(const ExtVectorType *T) {
- VisitVectorType(T);
- Code = pch::TYPE_EXT_VECTOR;
-}
-
-void PCHTypeWriter::VisitFunctionType(const FunctionType *T) {
- Writer.AddTypeRef(T->getResultType(), Record);
- FunctionType::ExtInfo C = T->getExtInfo();
- Record.push_back(C.getNoReturn());
- Record.push_back(C.getRegParm());
- // FIXME: need to stabilize encoding of calling convention...
- Record.push_back(C.getCC());
-}
-
-void PCHTypeWriter::VisitFunctionNoProtoType(const FunctionNoProtoType *T) {
- VisitFunctionType(T);
- Code = pch::TYPE_FUNCTION_NO_PROTO;
-}
-
-void PCHTypeWriter::VisitFunctionProtoType(const FunctionProtoType *T) {
- VisitFunctionType(T);
- Record.push_back(T->getNumArgs());
- for (unsigned I = 0, N = T->getNumArgs(); I != N; ++I)
- Writer.AddTypeRef(T->getArgType(I), Record);
- Record.push_back(T->isVariadic());
- Record.push_back(T->getTypeQuals());
- Record.push_back(T->hasExceptionSpec());
- Record.push_back(T->hasAnyExceptionSpec());
- Record.push_back(T->getNumExceptions());
- for (unsigned I = 0, N = T->getNumExceptions(); I != N; ++I)
- Writer.AddTypeRef(T->getExceptionType(I), Record);
- Code = pch::TYPE_FUNCTION_PROTO;
-}
-
-void PCHTypeWriter::VisitUnresolvedUsingType(const UnresolvedUsingType *T) {
- Writer.AddDeclRef(T->getDecl(), Record);
- Code = pch::TYPE_UNRESOLVED_USING;
-}
-
-void PCHTypeWriter::VisitTypedefType(const TypedefType *T) {
- Writer.AddDeclRef(T->getDecl(), Record);
- assert(!T->isCanonicalUnqualified() && "Invalid typedef ?");
- Writer.AddTypeRef(T->getCanonicalTypeInternal(), Record);
- Code = pch::TYPE_TYPEDEF;
-}
-
-void PCHTypeWriter::VisitTypeOfExprType(const TypeOfExprType *T) {
- Writer.AddStmt(T->getUnderlyingExpr());
- Code = pch::TYPE_TYPEOF_EXPR;
-}
-
-void PCHTypeWriter::VisitTypeOfType(const TypeOfType *T) {
- Writer.AddTypeRef(T->getUnderlyingType(), Record);
- Code = pch::TYPE_TYPEOF;
-}
-
-void PCHTypeWriter::VisitDecltypeType(const DecltypeType *T) {
- Writer.AddStmt(T->getUnderlyingExpr());
- Code = pch::TYPE_DECLTYPE;
-}
-
-void PCHTypeWriter::VisitTagType(const TagType *T) {
- Record.push_back(T->isDependentType());
- Writer.AddDeclRef(T->getDecl(), Record);
- assert(!T->isBeingDefined() &&
- "Cannot serialize in the middle of a type definition");
-}
-
-void PCHTypeWriter::VisitRecordType(const RecordType *T) {
- VisitTagType(T);
- Code = pch::TYPE_RECORD;
-}
-
-void PCHTypeWriter::VisitEnumType(const EnumType *T) {
- VisitTagType(T);
- Code = pch::TYPE_ENUM;
-}
-
-void
-PCHTypeWriter::VisitSubstTemplateTypeParmType(
- const SubstTemplateTypeParmType *T) {
- Writer.AddTypeRef(QualType(T->getReplacedParameter(), 0), Record);
- Writer.AddTypeRef(T->getReplacementType(), Record);
- Code = pch::TYPE_SUBST_TEMPLATE_TYPE_PARM;
-}
-
-void
-PCHTypeWriter::VisitTemplateSpecializationType(
- const TemplateSpecializationType *T) {
- Record.push_back(T->isDependentType());
- Writer.AddTemplateName(T->getTemplateName(), Record);
- Record.push_back(T->getNumArgs());
- for (TemplateSpecializationType::iterator ArgI = T->begin(), ArgE = T->end();
- ArgI != ArgE; ++ArgI)
- Writer.AddTemplateArgument(*ArgI, Record);
- Writer.AddTypeRef(T->isCanonicalUnqualified() ? QualType()
- : T->getCanonicalTypeInternal(),
- Record);
- Code = pch::TYPE_TEMPLATE_SPECIALIZATION;
-}
-
-void
-PCHTypeWriter::VisitDependentSizedArrayType(const DependentSizedArrayType *T) {
- VisitArrayType(T);
- Writer.AddStmt(T->getSizeExpr());
- Writer.AddSourceRange(T->getBracketsRange(), Record);
- Code = pch::TYPE_DEPENDENT_SIZED_ARRAY;
-}
-
-void
-PCHTypeWriter::VisitDependentSizedExtVectorType(
- const DependentSizedExtVectorType *T) {
- // FIXME: Serialize this type (C++ only)
- assert(false && "Cannot serialize dependent sized extended vector types");
-}
-
-void
-PCHTypeWriter::VisitTemplateTypeParmType(const TemplateTypeParmType *T) {
- Record.push_back(T->getDepth());
- Record.push_back(T->getIndex());
- Record.push_back(T->isParameterPack());
- Writer.AddIdentifierRef(T->getName(), Record);
- Code = pch::TYPE_TEMPLATE_TYPE_PARM;
-}
-
-void
-PCHTypeWriter::VisitDependentNameType(const DependentNameType *T) {
- Record.push_back(T->getKeyword());
- Writer.AddNestedNameSpecifier(T->getQualifier(), Record);
- Writer.AddIdentifierRef(T->getIdentifier(), Record);
- Writer.AddTypeRef(T->isCanonicalUnqualified() ? QualType()
- : T->getCanonicalTypeInternal(),
- Record);
- Code = pch::TYPE_DEPENDENT_NAME;
-}
-
-void
-PCHTypeWriter::VisitDependentTemplateSpecializationType(
- const DependentTemplateSpecializationType *T) {
- Record.push_back(T->getKeyword());
- Writer.AddNestedNameSpecifier(T->getQualifier(), Record);
- Writer.AddIdentifierRef(T->getIdentifier(), Record);
- Record.push_back(T->getNumArgs());
- for (DependentTemplateSpecializationType::iterator
- I = T->begin(), E = T->end(); I != E; ++I)
- Writer.AddTemplateArgument(*I, Record);
- Code = pch::TYPE_DEPENDENT_TEMPLATE_SPECIALIZATION;
-}
-
-void PCHTypeWriter::VisitElaboratedType(const ElaboratedType *T) {
- Record.push_back(T->getKeyword());
- Writer.AddNestedNameSpecifier(T->getQualifier(), Record);
- Writer.AddTypeRef(T->getNamedType(), Record);
- Code = pch::TYPE_ELABORATED;
-}
-
-void PCHTypeWriter::VisitInjectedClassNameType(const InjectedClassNameType *T) {
- Writer.AddDeclRef(T->getDecl(), Record);
- Writer.AddTypeRef(T->getInjectedSpecializationType(), Record);
- Code = pch::TYPE_INJECTED_CLASS_NAME;
-}
-
-void PCHTypeWriter::VisitObjCInterfaceType(const ObjCInterfaceType *T) {
- Writer.AddDeclRef(T->getDecl(), Record);
- Code = pch::TYPE_OBJC_INTERFACE;
-}
-
-void PCHTypeWriter::VisitObjCObjectType(const ObjCObjectType *T) {
- Writer.AddTypeRef(T->getBaseType(), Record);
- Record.push_back(T->getNumProtocols());
- for (ObjCObjectType::qual_iterator I = T->qual_begin(),
- E = T->qual_end(); I != E; ++I)
- Writer.AddDeclRef(*I, Record);
- Code = pch::TYPE_OBJC_OBJECT;
-}
-
-void
-PCHTypeWriter::VisitObjCObjectPointerType(const ObjCObjectPointerType *T) {
- Writer.AddTypeRef(T->getPointeeType(), Record);
- Code = pch::TYPE_OBJC_OBJECT_POINTER;
-}
-
-namespace {
-
-class TypeLocWriter : public TypeLocVisitor<TypeLocWriter> {
- PCHWriter &Writer;
- PCHWriter::RecordData &Record;
-
-public:
- TypeLocWriter(PCHWriter &Writer, PCHWriter::RecordData &Record)
- : Writer(Writer), Record(Record) { }
-
-#define ABSTRACT_TYPELOC(CLASS, PARENT)
-#define TYPELOC(CLASS, PARENT) \
- void Visit##CLASS##TypeLoc(CLASS##TypeLoc TyLoc);
-#include "clang/AST/TypeLocNodes.def"
-
- void VisitArrayTypeLoc(ArrayTypeLoc TyLoc);
- void VisitFunctionTypeLoc(FunctionTypeLoc TyLoc);
-};
-
-}
-
-void TypeLocWriter::VisitQualifiedTypeLoc(QualifiedTypeLoc TL) {
- // nothing to do
-}
-void TypeLocWriter::VisitBuiltinTypeLoc(BuiltinTypeLoc TL) {
- Writer.AddSourceLocation(TL.getBuiltinLoc(), Record);
- if (TL.needsExtraLocalData()) {
- Record.push_back(TL.getWrittenTypeSpec());
- Record.push_back(TL.getWrittenSignSpec());
- Record.push_back(TL.getWrittenWidthSpec());
- Record.push_back(TL.hasModeAttr());
- }
-}
-void TypeLocWriter::VisitComplexTypeLoc(ComplexTypeLoc TL) {
- Writer.AddSourceLocation(TL.getNameLoc(), Record);
-}
-void TypeLocWriter::VisitPointerTypeLoc(PointerTypeLoc TL) {
- Writer.AddSourceLocation(TL.getStarLoc(), Record);
-}
-void TypeLocWriter::VisitBlockPointerTypeLoc(BlockPointerTypeLoc TL) {
- Writer.AddSourceLocation(TL.getCaretLoc(), Record);
-}
-void TypeLocWriter::VisitLValueReferenceTypeLoc(LValueReferenceTypeLoc TL) {
- Writer.AddSourceLocation(TL.getAmpLoc(), Record);
-}
-void TypeLocWriter::VisitRValueReferenceTypeLoc(RValueReferenceTypeLoc TL) {
- Writer.AddSourceLocation(TL.getAmpAmpLoc(), Record);
-}
-void TypeLocWriter::VisitMemberPointerTypeLoc(MemberPointerTypeLoc TL) {
- Writer.AddSourceLocation(TL.getStarLoc(), Record);
-}
-void TypeLocWriter::VisitArrayTypeLoc(ArrayTypeLoc TL) {
- Writer.AddSourceLocation(TL.getLBracketLoc(), Record);
- Writer.AddSourceLocation(TL.getRBracketLoc(), Record);
- Record.push_back(TL.getSizeExpr() ? 1 : 0);
- if (TL.getSizeExpr())
- Writer.AddStmt(TL.getSizeExpr());
-}
-void TypeLocWriter::VisitConstantArrayTypeLoc(ConstantArrayTypeLoc TL) {
- VisitArrayTypeLoc(TL);
-}
-void TypeLocWriter::VisitIncompleteArrayTypeLoc(IncompleteArrayTypeLoc TL) {
- VisitArrayTypeLoc(TL);
-}
-void TypeLocWriter::VisitVariableArrayTypeLoc(VariableArrayTypeLoc TL) {
- VisitArrayTypeLoc(TL);
-}
-void TypeLocWriter::VisitDependentSizedArrayTypeLoc(
- DependentSizedArrayTypeLoc TL) {
- VisitArrayTypeLoc(TL);
-}
-void TypeLocWriter::VisitDependentSizedExtVectorTypeLoc(
- DependentSizedExtVectorTypeLoc TL) {
- Writer.AddSourceLocation(TL.getNameLoc(), Record);
-}
-void TypeLocWriter::VisitVectorTypeLoc(VectorTypeLoc TL) {
- Writer.AddSourceLocation(TL.getNameLoc(), Record);
-}
-void TypeLocWriter::VisitExtVectorTypeLoc(ExtVectorTypeLoc TL) {
- Writer.AddSourceLocation(TL.getNameLoc(), Record);
-}
-void TypeLocWriter::VisitFunctionTypeLoc(FunctionTypeLoc TL) {
- Writer.AddSourceLocation(TL.getLParenLoc(), Record);
- Writer.AddSourceLocation(TL.getRParenLoc(), Record);
- for (unsigned i = 0, e = TL.getNumArgs(); i != e; ++i)
- Writer.AddDeclRef(TL.getArg(i), Record);
-}
-void TypeLocWriter::VisitFunctionProtoTypeLoc(FunctionProtoTypeLoc TL) {
- VisitFunctionTypeLoc(TL);
-}
-void TypeLocWriter::VisitFunctionNoProtoTypeLoc(FunctionNoProtoTypeLoc TL) {
- VisitFunctionTypeLoc(TL);
-}
-void TypeLocWriter::VisitUnresolvedUsingTypeLoc(UnresolvedUsingTypeLoc TL) {
- Writer.AddSourceLocation(TL.getNameLoc(), Record);
-}
-void TypeLocWriter::VisitTypedefTypeLoc(TypedefTypeLoc TL) {
- Writer.AddSourceLocation(TL.getNameLoc(), Record);
-}
-void TypeLocWriter::VisitTypeOfExprTypeLoc(TypeOfExprTypeLoc TL) {
- Writer.AddSourceLocation(TL.getTypeofLoc(), Record);
- Writer.AddSourceLocation(TL.getLParenLoc(), Record);
- Writer.AddSourceLocation(TL.getRParenLoc(), Record);
-}
-void TypeLocWriter::VisitTypeOfTypeLoc(TypeOfTypeLoc TL) {
- Writer.AddSourceLocation(TL.getTypeofLoc(), Record);
- Writer.AddSourceLocation(TL.getLParenLoc(), Record);
- Writer.AddSourceLocation(TL.getRParenLoc(), Record);
- Writer.AddTypeSourceInfo(TL.getUnderlyingTInfo(), Record);
-}
-void TypeLocWriter::VisitDecltypeTypeLoc(DecltypeTypeLoc TL) {
- Writer.AddSourceLocation(TL.getNameLoc(), Record);
-}
-void TypeLocWriter::VisitRecordTypeLoc(RecordTypeLoc TL) {
- Writer.AddSourceLocation(TL.getNameLoc(), Record);
-}
-void TypeLocWriter::VisitEnumTypeLoc(EnumTypeLoc TL) {
- Writer.AddSourceLocation(TL.getNameLoc(), Record);
-}
-void TypeLocWriter::VisitTemplateTypeParmTypeLoc(TemplateTypeParmTypeLoc TL) {
- Writer.AddSourceLocation(TL.getNameLoc(), Record);
-}
-void TypeLocWriter::VisitSubstTemplateTypeParmTypeLoc(
- SubstTemplateTypeParmTypeLoc TL) {
- Writer.AddSourceLocation(TL.getNameLoc(), Record);
-}
-void TypeLocWriter::VisitTemplateSpecializationTypeLoc(
- TemplateSpecializationTypeLoc TL) {
- Writer.AddSourceLocation(TL.getTemplateNameLoc(), Record);
- Writer.AddSourceLocation(TL.getLAngleLoc(), Record);
- Writer.AddSourceLocation(TL.getRAngleLoc(), Record);
- for (unsigned i = 0, e = TL.getNumArgs(); i != e; ++i)
- Writer.AddTemplateArgumentLocInfo(TL.getArgLoc(i).getArgument().getKind(),
- TL.getArgLoc(i).getLocInfo(), Record);
-}
-void TypeLocWriter::VisitElaboratedTypeLoc(ElaboratedTypeLoc TL) {
- Writer.AddSourceLocation(TL.getKeywordLoc(), Record);
- Writer.AddSourceRange(TL.getQualifierRange(), Record);
-}
-void TypeLocWriter::VisitInjectedClassNameTypeLoc(InjectedClassNameTypeLoc TL) {
- Writer.AddSourceLocation(TL.getNameLoc(), Record);
-}
-void TypeLocWriter::VisitDependentNameTypeLoc(DependentNameTypeLoc TL) {
- Writer.AddSourceLocation(TL.getKeywordLoc(), Record);
- Writer.AddSourceRange(TL.getQualifierRange(), Record);
- Writer.AddSourceLocation(TL.getNameLoc(), Record);
-}
-void TypeLocWriter::VisitDependentTemplateSpecializationTypeLoc(
- DependentTemplateSpecializationTypeLoc TL) {
- Writer.AddSourceLocation(TL.getKeywordLoc(), Record);
- Writer.AddSourceRange(TL.getQualifierRange(), Record);
- Writer.AddSourceLocation(TL.getNameLoc(), Record);
- Writer.AddSourceLocation(TL.getLAngleLoc(), Record);
- Writer.AddSourceLocation(TL.getRAngleLoc(), Record);
- for (unsigned I = 0, E = TL.getNumArgs(); I != E; ++I)
- Writer.AddTemplateArgumentLocInfo(TL.getArgLoc(I).getArgument().getKind(),
- TL.getArgLoc(I).getLocInfo(), Record);
-}
-void TypeLocWriter::VisitObjCInterfaceTypeLoc(ObjCInterfaceTypeLoc TL) {
- Writer.AddSourceLocation(TL.getNameLoc(), Record);
-}
-void TypeLocWriter::VisitObjCObjectTypeLoc(ObjCObjectTypeLoc TL) {
- Record.push_back(TL.hasBaseTypeAsWritten());
- Writer.AddSourceLocation(TL.getLAngleLoc(), Record);
- Writer.AddSourceLocation(TL.getRAngleLoc(), Record);
- for (unsigned i = 0, e = TL.getNumProtocols(); i != e; ++i)
- Writer.AddSourceLocation(TL.getProtocolLoc(i), Record);
-}
-void TypeLocWriter::VisitObjCObjectPointerTypeLoc(ObjCObjectPointerTypeLoc TL) {
- Writer.AddSourceLocation(TL.getStarLoc(), Record);
-}
-
-//===----------------------------------------------------------------------===//
-// PCHWriter Implementation
-//===----------------------------------------------------------------------===//
-
-static void EmitBlockID(unsigned ID, const char *Name,
- llvm::BitstreamWriter &Stream,
- PCHWriter::RecordData &Record) {
- Record.clear();
- Record.push_back(ID);
- Stream.EmitRecord(llvm::bitc::BLOCKINFO_CODE_SETBID, Record);
-
- // Emit the block name if present.
- if (Name == 0 || Name[0] == 0) return;
- Record.clear();
- while (*Name)
- Record.push_back(*Name++);
- Stream.EmitRecord(llvm::bitc::BLOCKINFO_CODE_BLOCKNAME, Record);
-}
-
-static void EmitRecordID(unsigned ID, const char *Name,
- llvm::BitstreamWriter &Stream,
- PCHWriter::RecordData &Record) {
- Record.clear();
- Record.push_back(ID);
- while (*Name)
- Record.push_back(*Name++);
- Stream.EmitRecord(llvm::bitc::BLOCKINFO_CODE_SETRECORDNAME, Record);
-}
-
-static void AddStmtsExprs(llvm::BitstreamWriter &Stream,
- PCHWriter::RecordData &Record) {
-#define RECORD(X) EmitRecordID(pch::X, #X, Stream, Record)
- RECORD(STMT_STOP);
- RECORD(STMT_NULL_PTR);
- RECORD(STMT_NULL);
- RECORD(STMT_COMPOUND);
- RECORD(STMT_CASE);
- RECORD(STMT_DEFAULT);
- RECORD(STMT_LABEL);
- RECORD(STMT_IF);
- RECORD(STMT_SWITCH);
- RECORD(STMT_WHILE);
- RECORD(STMT_DO);
- RECORD(STMT_FOR);
- RECORD(STMT_GOTO);
- RECORD(STMT_INDIRECT_GOTO);
- RECORD(STMT_CONTINUE);
- RECORD(STMT_BREAK);
- RECORD(STMT_RETURN);
- RECORD(STMT_DECL);
- RECORD(STMT_ASM);
- RECORD(EXPR_PREDEFINED);
- RECORD(EXPR_DECL_REF);
- RECORD(EXPR_INTEGER_LITERAL);
- RECORD(EXPR_FLOATING_LITERAL);
- RECORD(EXPR_IMAGINARY_LITERAL);
- RECORD(EXPR_STRING_LITERAL);
- RECORD(EXPR_CHARACTER_LITERAL);
- RECORD(EXPR_PAREN);
- RECORD(EXPR_UNARY_OPERATOR);
- RECORD(EXPR_SIZEOF_ALIGN_OF);
- RECORD(EXPR_ARRAY_SUBSCRIPT);
- RECORD(EXPR_CALL);
- RECORD(EXPR_MEMBER);
- RECORD(EXPR_BINARY_OPERATOR);
- RECORD(EXPR_COMPOUND_ASSIGN_OPERATOR);
- RECORD(EXPR_CONDITIONAL_OPERATOR);
- RECORD(EXPR_IMPLICIT_CAST);
- RECORD(EXPR_CSTYLE_CAST);
- RECORD(EXPR_COMPOUND_LITERAL);
- RECORD(EXPR_EXT_VECTOR_ELEMENT);
- RECORD(EXPR_INIT_LIST);
- RECORD(EXPR_DESIGNATED_INIT);
- RECORD(EXPR_IMPLICIT_VALUE_INIT);
- RECORD(EXPR_VA_ARG);
- RECORD(EXPR_ADDR_LABEL);
- RECORD(EXPR_STMT);
- RECORD(EXPR_TYPES_COMPATIBLE);
- RECORD(EXPR_CHOOSE);
- RECORD(EXPR_GNU_NULL);
- RECORD(EXPR_SHUFFLE_VECTOR);
- RECORD(EXPR_BLOCK);
- RECORD(EXPR_BLOCK_DECL_REF);
- RECORD(EXPR_OBJC_STRING_LITERAL);
- RECORD(EXPR_OBJC_ENCODE);
- RECORD(EXPR_OBJC_SELECTOR_EXPR);
- RECORD(EXPR_OBJC_PROTOCOL_EXPR);
- RECORD(EXPR_OBJC_IVAR_REF_EXPR);
- RECORD(EXPR_OBJC_PROPERTY_REF_EXPR);
- RECORD(EXPR_OBJC_KVC_REF_EXPR);
- RECORD(EXPR_OBJC_MESSAGE_EXPR);
- RECORD(EXPR_OBJC_SUPER_EXPR);
- RECORD(STMT_OBJC_FOR_COLLECTION);
- RECORD(STMT_OBJC_CATCH);
- RECORD(STMT_OBJC_FINALLY);
- RECORD(STMT_OBJC_AT_TRY);
- RECORD(STMT_OBJC_AT_SYNCHRONIZED);
- RECORD(STMT_OBJC_AT_THROW);
- RECORD(EXPR_CXX_OPERATOR_CALL);
- RECORD(EXPR_CXX_CONSTRUCT);
- RECORD(EXPR_CXX_STATIC_CAST);
- RECORD(EXPR_CXX_DYNAMIC_CAST);
- RECORD(EXPR_CXX_REINTERPRET_CAST);
- RECORD(EXPR_CXX_CONST_CAST);
- RECORD(EXPR_CXX_FUNCTIONAL_CAST);
- RECORD(EXPR_CXX_BOOL_LITERAL);
- RECORD(EXPR_CXX_NULL_PTR_LITERAL);
-#undef RECORD
-}
-
-void PCHWriter::WriteBlockInfoBlock() {
- RecordData Record;
- Stream.EnterSubblock(llvm::bitc::BLOCKINFO_BLOCK_ID, 3);
-
-#define BLOCK(X) EmitBlockID(pch::X ## _ID, #X, Stream, Record)
-#define RECORD(X) EmitRecordID(pch::X, #X, Stream, Record)
-
- // PCH Top-Level Block.
- BLOCK(PCH_BLOCK);
- RECORD(ORIGINAL_FILE_NAME);
- RECORD(TYPE_OFFSET);
- RECORD(DECL_OFFSET);
- RECORD(LANGUAGE_OPTIONS);
- RECORD(METADATA);
- RECORD(IDENTIFIER_OFFSET);
- RECORD(IDENTIFIER_TABLE);
- RECORD(EXTERNAL_DEFINITIONS);
- RECORD(SPECIAL_TYPES);
- RECORD(STATISTICS);
- RECORD(TENTATIVE_DEFINITIONS);
- RECORD(UNUSED_FILESCOPED_DECLS);
- RECORD(LOCALLY_SCOPED_EXTERNAL_DECLS);
- RECORD(SELECTOR_OFFSETS);
- RECORD(METHOD_POOL);
- RECORD(PP_COUNTER_VALUE);
- RECORD(SOURCE_LOCATION_OFFSETS);
- RECORD(SOURCE_LOCATION_PRELOADS);
- RECORD(STAT_CACHE);
- RECORD(EXT_VECTOR_DECLS);
- RECORD(VERSION_CONTROL_BRANCH_REVISION);
- RECORD(MACRO_DEFINITION_OFFSETS);
- RECORD(CHAINED_METADATA);
- RECORD(REFERENCED_SELECTOR_POOL);
-
- // SourceManager Block.
- BLOCK(SOURCE_MANAGER_BLOCK);
- RECORD(SM_SLOC_FILE_ENTRY);
- RECORD(SM_SLOC_BUFFER_ENTRY);
- RECORD(SM_SLOC_BUFFER_BLOB);
- RECORD(SM_SLOC_INSTANTIATION_ENTRY);
- RECORD(SM_LINE_TABLE);
-
- // Preprocessor Block.
- BLOCK(PREPROCESSOR_BLOCK);
- RECORD(PP_MACRO_OBJECT_LIKE);
- RECORD(PP_MACRO_FUNCTION_LIKE);
- RECORD(PP_TOKEN);
- RECORD(PP_MACRO_INSTANTIATION);
- RECORD(PP_MACRO_DEFINITION);
-
- // Decls and Types block.
- BLOCK(DECLTYPES_BLOCK);
- RECORD(TYPE_EXT_QUAL);
- RECORD(TYPE_COMPLEX);
- RECORD(TYPE_POINTER);
- RECORD(TYPE_BLOCK_POINTER);
- RECORD(TYPE_LVALUE_REFERENCE);
- RECORD(TYPE_RVALUE_REFERENCE);
- RECORD(TYPE_MEMBER_POINTER);
- RECORD(TYPE_CONSTANT_ARRAY);
- RECORD(TYPE_INCOMPLETE_ARRAY);
- RECORD(TYPE_VARIABLE_ARRAY);
- RECORD(TYPE_VECTOR);
- RECORD(TYPE_EXT_VECTOR);
- RECORD(TYPE_FUNCTION_PROTO);
- RECORD(TYPE_FUNCTION_NO_PROTO);
- RECORD(TYPE_TYPEDEF);
- RECORD(TYPE_TYPEOF_EXPR);
- RECORD(TYPE_TYPEOF);
- RECORD(TYPE_RECORD);
- RECORD(TYPE_ENUM);
- RECORD(TYPE_OBJC_INTERFACE);
- RECORD(TYPE_OBJC_OBJECT);
- RECORD(TYPE_OBJC_OBJECT_POINTER);
- RECORD(DECL_ATTR);
- RECORD(DECL_TRANSLATION_UNIT);
- RECORD(DECL_TYPEDEF);
- RECORD(DECL_ENUM);
- RECORD(DECL_RECORD);
- RECORD(DECL_ENUM_CONSTANT);
- RECORD(DECL_FUNCTION);
- RECORD(DECL_OBJC_METHOD);
- RECORD(DECL_OBJC_INTERFACE);
- RECORD(DECL_OBJC_PROTOCOL);
- RECORD(DECL_OBJC_IVAR);
- RECORD(DECL_OBJC_AT_DEFS_FIELD);
- RECORD(DECL_OBJC_CLASS);
- RECORD(DECL_OBJC_FORWARD_PROTOCOL);
- RECORD(DECL_OBJC_CATEGORY);
- RECORD(DECL_OBJC_CATEGORY_IMPL);
- RECORD(DECL_OBJC_IMPLEMENTATION);
- RECORD(DECL_OBJC_COMPATIBLE_ALIAS);
- RECORD(DECL_OBJC_PROPERTY);
- RECORD(DECL_OBJC_PROPERTY_IMPL);
- RECORD(DECL_FIELD);
- RECORD(DECL_VAR);
- RECORD(DECL_IMPLICIT_PARAM);
- RECORD(DECL_PARM_VAR);
- RECORD(DECL_FILE_SCOPE_ASM);
- RECORD(DECL_BLOCK);
- RECORD(DECL_CONTEXT_LEXICAL);
- RECORD(DECL_CONTEXT_VISIBLE);
- // Statements and Exprs can occur in the Decls and Types block.
- AddStmtsExprs(Stream, Record);
-#undef RECORD
-#undef BLOCK
- Stream.ExitBlock();
-}
-
-/// \brief Adjusts the given filename to only write out the portion of the
-/// filename that is not part of the system root directory.
-///
-/// \param Filename the file name to adjust.
-///
-/// \param isysroot When non-NULL, the PCH file is a relocatable PCH file and
-/// the returned filename will be adjusted by this system root.
-///
-/// \returns either the original filename (if it needs no adjustment) or the
-/// adjusted filename (which points into the @p Filename parameter).
-static const char *
-adjustFilenameForRelocatablePCH(const char *Filename, const char *isysroot) {
- assert(Filename && "No file name to adjust?");
-
- if (!isysroot)
- return Filename;
-
- // Verify that the filename and the system root have the same prefix.
- unsigned Pos = 0;
- for (; Filename[Pos] && isysroot[Pos]; ++Pos)
- if (Filename[Pos] != isysroot[Pos])
- return Filename; // Prefixes don't match.
-
- // We hit the end of the filename before we hit the end of the system root.
- if (!Filename[Pos])
- return Filename;
-
- // If the file name has a '/' at the current position, skip over the '/'.
- // We distinguish sysroot-based includes from absolute includes by the
- // absence of '/' at the beginning of sysroot-based includes.
- if (Filename[Pos] == '/')
- ++Pos;
-
- return Filename + Pos;
-}
-
-/// \brief Write the PCH metadata (e.g., i686-apple-darwin9).
-void PCHWriter::WriteMetadata(ASTContext &Context, const char *isysroot) {
- using namespace llvm;
-
- // Metadata
- const TargetInfo &Target = Context.Target;
- BitCodeAbbrev *MetaAbbrev = new BitCodeAbbrev();
- MetaAbbrev->Add(BitCodeAbbrevOp(
- Chain ? pch::CHAINED_METADATA : pch::METADATA));
- MetaAbbrev->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 16)); // PCH major
- MetaAbbrev->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 16)); // PCH minor
- MetaAbbrev->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 16)); // Clang major
- MetaAbbrev->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 16)); // Clang minor
- MetaAbbrev->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); // Relocatable
- // Target triple or chained PCH name
- MetaAbbrev->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Blob));
- unsigned MetaAbbrevCode = Stream.EmitAbbrev(MetaAbbrev);
-
- RecordData Record;
- Record.push_back(Chain ? pch::CHAINED_METADATA : pch::METADATA);
- Record.push_back(pch::VERSION_MAJOR);
- Record.push_back(pch::VERSION_MINOR);
- Record.push_back(CLANG_VERSION_MAJOR);
- Record.push_back(CLANG_VERSION_MINOR);
- Record.push_back(isysroot != 0);
- // FIXME: This writes the absolute path for chained headers.
- const std::string &BlobStr = Chain ? Chain->getFileName() : Target.getTriple().getTriple();
- Stream.EmitRecordWithBlob(MetaAbbrevCode, Record, BlobStr);
-
- // Original file name
- SourceManager &SM = Context.getSourceManager();
- if (const FileEntry *MainFile = SM.getFileEntryForID(SM.getMainFileID())) {
- BitCodeAbbrev *FileAbbrev = new BitCodeAbbrev();
- FileAbbrev->Add(BitCodeAbbrevOp(pch::ORIGINAL_FILE_NAME));
- FileAbbrev->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Blob)); // File name
- unsigned FileAbbrevCode = Stream.EmitAbbrev(FileAbbrev);
-
- llvm::sys::Path MainFilePath(MainFile->getName());
-
- MainFilePath.makeAbsolute();
-
- const char *MainFileNameStr = MainFilePath.c_str();
- MainFileNameStr = adjustFilenameForRelocatablePCH(MainFileNameStr,
- isysroot);
- RecordData Record;
- Record.push_back(pch::ORIGINAL_FILE_NAME);
- Stream.EmitRecordWithBlob(FileAbbrevCode, Record, MainFileNameStr);
- }
-
- // Repository branch/version information.
- BitCodeAbbrev *RepoAbbrev = new BitCodeAbbrev();
- RepoAbbrev->Add(BitCodeAbbrevOp(pch::VERSION_CONTROL_BRANCH_REVISION));
- RepoAbbrev->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Blob)); // SVN branch/tag
- unsigned RepoAbbrevCode = Stream.EmitAbbrev(RepoAbbrev);
- Record.clear();
- Record.push_back(pch::VERSION_CONTROL_BRANCH_REVISION);
- Stream.EmitRecordWithBlob(RepoAbbrevCode, Record,
- getClangFullRepositoryVersion());
-}
-
-/// \brief Write the LangOptions structure.
-void PCHWriter::WriteLanguageOptions(const LangOptions &LangOpts) {
- RecordData Record;
- Record.push_back(LangOpts.Trigraphs);
- Record.push_back(LangOpts.BCPLComment); // BCPL-style '//' comments.
- Record.push_back(LangOpts.DollarIdents); // '$' allowed in identifiers.
- Record.push_back(LangOpts.AsmPreprocessor); // Preprocessor in asm mode.
- Record.push_back(LangOpts.GNUMode); // True in gnu99 mode false in c99 mode (etc)
- Record.push_back(LangOpts.GNUKeywords); // Allow GNU-extension keywords
- Record.push_back(LangOpts.ImplicitInt); // C89 implicit 'int'.
- Record.push_back(LangOpts.Digraphs); // C94, C99 and C++
- Record.push_back(LangOpts.HexFloats); // C99 Hexadecimal float constants.
- Record.push_back(LangOpts.C99); // C99 Support
- Record.push_back(LangOpts.Microsoft); // Microsoft extensions.
- Record.push_back(LangOpts.CPlusPlus); // C++ Support
- Record.push_back(LangOpts.CPlusPlus0x); // C++0x Support
- Record.push_back(LangOpts.CXXOperatorNames); // Treat C++ operator names as keywords.
-
- Record.push_back(LangOpts.ObjC1); // Objective-C 1 support enabled.
- Record.push_back(LangOpts.ObjC2); // Objective-C 2 support enabled.
- Record.push_back(LangOpts.ObjCNonFragileABI); // Objective-C
- // modern abi enabled.
- Record.push_back(LangOpts.ObjCNonFragileABI2); // Objective-C enhanced
- // modern abi enabled.
- Record.push_back(LangOpts.NoConstantCFStrings); // non cfstring generation enabled..
-
- Record.push_back(LangOpts.PascalStrings); // Allow Pascal strings
- Record.push_back(LangOpts.WritableStrings); // Allow writable strings
- Record.push_back(LangOpts.LaxVectorConversions);
- Record.push_back(LangOpts.AltiVec);
- Record.push_back(LangOpts.Exceptions); // Support exception handling.
- Record.push_back(LangOpts.SjLjExceptions);
-
- Record.push_back(LangOpts.NeXTRuntime); // Use NeXT runtime.
- Record.push_back(LangOpts.Freestanding); // Freestanding implementation
- Record.push_back(LangOpts.NoBuiltin); // Do not use builtin functions (-fno-builtin)
-
- // Whether static initializers are protected by locks.
- Record.push_back(LangOpts.ThreadsafeStatics);
- Record.push_back(LangOpts.POSIXThreads);
- Record.push_back(LangOpts.Blocks); // block extension to C
- Record.push_back(LangOpts.EmitAllDecls); // Emit all declarations, even if
- // they are unused.
- Record.push_back(LangOpts.MathErrno); // Math functions must respect errno
- // (modulo the platform support).
-
- Record.push_back(LangOpts.getSignedOverflowBehavior());
- Record.push_back(LangOpts.HeinousExtensions);
-
- Record.push_back(LangOpts.Optimize); // Whether __OPTIMIZE__ should be defined.
- Record.push_back(LangOpts.OptimizeSize); // Whether __OPTIMIZE_SIZE__ should be
- // defined.
- Record.push_back(LangOpts.Static); // Should __STATIC__ be defined (as
- // opposed to __DYNAMIC__).
- Record.push_back(LangOpts.PICLevel); // The value for __PIC__, if non-zero.
-
- Record.push_back(LangOpts.GNUInline); // Should GNU inline semantics be
- // used (instead of C99 semantics).
- Record.push_back(LangOpts.NoInline); // Should __NO_INLINE__ be defined.
- Record.push_back(LangOpts.AccessControl); // Whether C++ access control should
- // be enabled.
- Record.push_back(LangOpts.CharIsSigned); // Whether char is a signed or
- // unsigned type
- Record.push_back(LangOpts.ShortWChar); // force wchar_t to be unsigned short
- Record.push_back(LangOpts.getGCMode());
- Record.push_back(LangOpts.getVisibilityMode());
- Record.push_back(LangOpts.getStackProtectorMode());
- Record.push_back(LangOpts.InstantiationDepth);
- Record.push_back(LangOpts.OpenCL);
- Record.push_back(LangOpts.CatchUndefined);
- Record.push_back(LangOpts.ElideConstructors);
- Record.push_back(LangOpts.SpellChecking);
- Stream.EmitRecord(pch::LANGUAGE_OPTIONS, Record);
-}
-
-//===----------------------------------------------------------------------===//
-// stat cache Serialization
-//===----------------------------------------------------------------------===//
-
-namespace {
-// Trait used for the on-disk hash table of stat cache results.
-class PCHStatCacheTrait {
-public:
- typedef const char * key_type;
- typedef key_type key_type_ref;
-
- typedef std::pair<int, struct stat> data_type;
- typedef const data_type& data_type_ref;
-
- static unsigned ComputeHash(const char *path) {
- return llvm::HashString(path);
- }
-
- std::pair<unsigned,unsigned>
- EmitKeyDataLength(llvm::raw_ostream& Out, const char *path,
- data_type_ref Data) {
- unsigned StrLen = strlen(path);
- clang::io::Emit16(Out, StrLen);
- unsigned DataLen = 1; // result value
- if (Data.first == 0)
- DataLen += 4 + 4 + 2 + 8 + 8;
- clang::io::Emit8(Out, DataLen);
- return std::make_pair(StrLen + 1, DataLen);
- }
-
- void EmitKey(llvm::raw_ostream& Out, const char *path, unsigned KeyLen) {
- Out.write(path, KeyLen);
- }
-
- void EmitData(llvm::raw_ostream& Out, key_type_ref,
- data_type_ref Data, unsigned DataLen) {
- using namespace clang::io;
- uint64_t Start = Out.tell(); (void)Start;
-
- // Result of stat()
- Emit8(Out, Data.first? 1 : 0);
-
- if (Data.first == 0) {
- Emit32(Out, (uint32_t) Data.second.st_ino);
- Emit32(Out, (uint32_t) Data.second.st_dev);
- Emit16(Out, (uint16_t) Data.second.st_mode);
- Emit64(Out, (uint64_t) Data.second.st_mtime);
- Emit64(Out, (uint64_t) Data.second.st_size);
- }
-
- assert(Out.tell() - Start == DataLen && "Wrong data length");
- }
-};
-} // end anonymous namespace
-
-/// \brief Write the stat() system call cache to the PCH file.
-void PCHWriter::WriteStatCache(MemorizeStatCalls &StatCalls) {
- // Build the on-disk hash table containing information about every
- // stat() call.
- OnDiskChainedHashTableGenerator<PCHStatCacheTrait> Generator;
- unsigned NumStatEntries = 0;
- for (MemorizeStatCalls::iterator Stat = StatCalls.begin(),
- StatEnd = StatCalls.end();
- Stat != StatEnd; ++Stat, ++NumStatEntries) {
- const char *Filename = Stat->first();
- Generator.insert(Filename, Stat->second);
- }
-
- // Create the on-disk hash table in a buffer.
- llvm::SmallString<4096> StatCacheData;
- uint32_t BucketOffset;
- {
- llvm::raw_svector_ostream Out(StatCacheData);
- // Make sure that no bucket is at offset 0
- clang::io::Emit32(Out, 0);
- BucketOffset = Generator.Emit(Out);
- }
-
- // Create a blob abbreviation
- using namespace llvm;
- BitCodeAbbrev *Abbrev = new BitCodeAbbrev();
- Abbrev->Add(BitCodeAbbrevOp(pch::STAT_CACHE));
- Abbrev->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 32));
- Abbrev->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 32));
- Abbrev->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Blob));
- unsigned StatCacheAbbrev = Stream.EmitAbbrev(Abbrev);
-
- // Write the stat cache
- RecordData Record;
- Record.push_back(pch::STAT_CACHE);
- Record.push_back(BucketOffset);
- Record.push_back(NumStatEntries);
- Stream.EmitRecordWithBlob(StatCacheAbbrev, Record, StatCacheData.str());
-}
-
-//===----------------------------------------------------------------------===//
-// Source Manager Serialization
-//===----------------------------------------------------------------------===//
-
-/// \brief Create an abbreviation for the SLocEntry that refers to a
-/// file.
-static unsigned CreateSLocFileAbbrev(llvm::BitstreamWriter &Stream) {
- using namespace llvm;
- BitCodeAbbrev *Abbrev = new BitCodeAbbrev();
- Abbrev->Add(BitCodeAbbrevOp(pch::SM_SLOC_FILE_ENTRY));
- Abbrev->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 8)); // Offset
- Abbrev->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 8)); // Include location
- Abbrev->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 2)); // Characteristic
- Abbrev->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); // Line directives
- // FileEntry fields.
- Abbrev->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 12)); // Size
- Abbrev->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 32)); // Modification time
- // HeaderFileInfo fields.
- Abbrev->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); // isImport
- Abbrev->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 2)); // DirInfo
- Abbrev->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 8)); // NumIncludes
- Abbrev->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 8)); // ControllingMacro
- Abbrev->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Blob)); // File name
- return Stream.EmitAbbrev(Abbrev);
-}
-
-/// \brief Create an abbreviation for the SLocEntry that refers to a
-/// buffer.
-static unsigned CreateSLocBufferAbbrev(llvm::BitstreamWriter &Stream) {
- using namespace llvm;
- BitCodeAbbrev *Abbrev = new BitCodeAbbrev();
- Abbrev->Add(BitCodeAbbrevOp(pch::SM_SLOC_BUFFER_ENTRY));
- Abbrev->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 8)); // Offset
- Abbrev->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 8)); // Include location
- Abbrev->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 2)); // Characteristic
- Abbrev->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); // Line directives
- Abbrev->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Blob)); // Buffer name blob
- return Stream.EmitAbbrev(Abbrev);
-}
-
-/// \brief Create an abbreviation for the SLocEntry that refers to a
-/// buffer's blob.
-static unsigned CreateSLocBufferBlobAbbrev(llvm::BitstreamWriter &Stream) {
- using namespace llvm;
- BitCodeAbbrev *Abbrev = new BitCodeAbbrev();
- Abbrev->Add(BitCodeAbbrevOp(pch::SM_SLOC_BUFFER_BLOB));
- Abbrev->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Blob)); // Blob
- return Stream.EmitAbbrev(Abbrev);
-}
-
-/// \brief Create an abbreviation for the SLocEntry that refers to an
-/// buffer.
-static unsigned CreateSLocInstantiationAbbrev(llvm::BitstreamWriter &Stream) {
- using namespace llvm;
- BitCodeAbbrev *Abbrev = new BitCodeAbbrev();
- Abbrev->Add(BitCodeAbbrevOp(pch::SM_SLOC_INSTANTIATION_ENTRY));
- Abbrev->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 8)); // Offset
- Abbrev->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 8)); // Spelling location
- Abbrev->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 8)); // Start location
- Abbrev->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 8)); // End location
- Abbrev->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // Token length
- return Stream.EmitAbbrev(Abbrev);
-}
-
-/// \brief Writes the block containing the serialized form of the
-/// source manager.
-///
-/// TODO: We should probably use an on-disk hash table (stored in a
-/// blob), indexed based on the file name, so that we only create
-/// entries for files that we actually need. In the common case (no
-/// errors), we probably won't have to create file entries for any of
-/// the files in the AST.
-void PCHWriter::WriteSourceManagerBlock(SourceManager &SourceMgr,
- const Preprocessor &PP,
- const char *isysroot) {
- RecordData Record;
-
- // Enter the source manager block.
- Stream.EnterSubblock(pch::SOURCE_MANAGER_BLOCK_ID, 3);
-
- // Abbreviations for the various kinds of source-location entries.
- unsigned SLocFileAbbrv = CreateSLocFileAbbrev(Stream);
- unsigned SLocBufferAbbrv = CreateSLocBufferAbbrev(Stream);
- unsigned SLocBufferBlobAbbrv = CreateSLocBufferBlobAbbrev(Stream);
- unsigned SLocInstantiationAbbrv = CreateSLocInstantiationAbbrev(Stream);
-
- // Write the line table.
- if (SourceMgr.hasLineTable()) {
- LineTableInfo &LineTable = SourceMgr.getLineTable();
-
- // Emit the file names
- Record.push_back(LineTable.getNumFilenames());
- for (unsigned I = 0, N = LineTable.getNumFilenames(); I != N; ++I) {
- // Emit the file name
- const char *Filename = LineTable.getFilename(I);
- Filename = adjustFilenameForRelocatablePCH(Filename, isysroot);
- unsigned FilenameLen = Filename? strlen(Filename) : 0;
- Record.push_back(FilenameLen);
- if (FilenameLen)
- Record.insert(Record.end(), Filename, Filename + FilenameLen);
- }
-
- // Emit the line entries
- for (LineTableInfo::iterator L = LineTable.begin(), LEnd = LineTable.end();
- L != LEnd; ++L) {
- // Emit the file ID
- Record.push_back(L->first);
-
- // Emit the line entries
- Record.push_back(L->second.size());
- for (std::vector<LineEntry>::iterator LE = L->second.begin(),
- LEEnd = L->second.end();
- LE != LEEnd; ++LE) {
- Record.push_back(LE->FileOffset);
- Record.push_back(LE->LineNo);
- Record.push_back(LE->FilenameID);
- Record.push_back((unsigned)LE->FileKind);
- Record.push_back(LE->IncludeOffset);
- }
- }
- Stream.EmitRecord(pch::SM_LINE_TABLE, Record);
- }
-
- // Write out the source location entry table. We skip the first
- // entry, which is always the same dummy entry.
- std::vector<uint32_t> SLocEntryOffsets;
- RecordData PreloadSLocs;
- unsigned BaseSLocID = Chain ? Chain->getTotalNumSLocs() : 0;
- SLocEntryOffsets.reserve(SourceMgr.sloc_entry_size() - 1 - BaseSLocID);
- for (unsigned I = BaseSLocID + 1, N = SourceMgr.sloc_entry_size();
- I != N; ++I) {
- // Get this source location entry.
- const SrcMgr::SLocEntry *SLoc = &SourceMgr.getSLocEntry(I);
-
- // Record the offset of this source-location entry.
- SLocEntryOffsets.push_back(Stream.GetCurrentBitNo());
-
- // Figure out which record code to use.
- unsigned Code;
- if (SLoc->isFile()) {
- if (SLoc->getFile().getContentCache()->Entry)
- Code = pch::SM_SLOC_FILE_ENTRY;
- else
- Code = pch::SM_SLOC_BUFFER_ENTRY;
- } else
- Code = pch::SM_SLOC_INSTANTIATION_ENTRY;
- Record.clear();
- Record.push_back(Code);
-
- Record.push_back(SLoc->getOffset());
- if (SLoc->isFile()) {
- const SrcMgr::FileInfo &File = SLoc->getFile();
- Record.push_back(File.getIncludeLoc().getRawEncoding());
- Record.push_back(File.getFileCharacteristic()); // FIXME: stable encoding
- Record.push_back(File.hasLineDirectives());
-
- const SrcMgr::ContentCache *Content = File.getContentCache();
- if (Content->Entry) {
- // The source location entry is a file. The blob associated
- // with this entry is the file name.
-
- // Emit size/modification time for this file.
- Record.push_back(Content->Entry->getSize());
- Record.push_back(Content->Entry->getModificationTime());
-
- // Emit header-search information associated with this file.
- HeaderFileInfo HFI;
- HeaderSearch &HS = PP.getHeaderSearchInfo();
- if (Content->Entry->getUID() < HS.header_file_size())
- HFI = HS.header_file_begin()[Content->Entry->getUID()];
- Record.push_back(HFI.isImport);
- Record.push_back(HFI.DirInfo);
- Record.push_back(HFI.NumIncludes);
- AddIdentifierRef(HFI.ControllingMacro, Record);
-
- // Turn the file name into an absolute path, if it isn't already.
- const char *Filename = Content->Entry->getName();
- llvm::sys::Path FilePath(Filename, strlen(Filename));
- FilePath.makeAbsolute();
- Filename = FilePath.c_str();
-
- Filename = adjustFilenameForRelocatablePCH(Filename, isysroot);
- Stream.EmitRecordWithBlob(SLocFileAbbrv, Record, Filename);
-
- // FIXME: For now, preload all file source locations, so that
- // we get the appropriate File entries in the reader. This is
- // a temporary measure.
- PreloadSLocs.push_back(BaseSLocID + SLocEntryOffsets.size());
- } else {
- // The source location entry is a buffer. The blob associated
- // with this entry contains the contents of the buffer.
-
- // We add one to the size so that we capture the trailing NULL
- // that is required by llvm::MemoryBuffer::getMemBuffer (on
- // the reader side).
- const llvm::MemoryBuffer *Buffer
- = Content->getBuffer(PP.getDiagnostics(), PP.getSourceManager());
- const char *Name = Buffer->getBufferIdentifier();
- Stream.EmitRecordWithBlob(SLocBufferAbbrv, Record,
- llvm::StringRef(Name, strlen(Name) + 1));
- Record.clear();
- Record.push_back(pch::SM_SLOC_BUFFER_BLOB);
- Stream.EmitRecordWithBlob(SLocBufferBlobAbbrv, Record,
- llvm::StringRef(Buffer->getBufferStart(),
- Buffer->getBufferSize() + 1));
-
- if (strcmp(Name, "<built-in>") == 0)
- PreloadSLocs.push_back(BaseSLocID + SLocEntryOffsets.size());
- }
- } else {
- // The source location entry is an instantiation.
- const SrcMgr::InstantiationInfo &Inst = SLoc->getInstantiation();
- Record.push_back(Inst.getSpellingLoc().getRawEncoding());
- Record.push_back(Inst.getInstantiationLocStart().getRawEncoding());
- Record.push_back(Inst.getInstantiationLocEnd().getRawEncoding());
-
- // Compute the token length for this macro expansion.
- unsigned NextOffset = SourceMgr.getNextOffset();
- if (I + 1 != N)
- NextOffset = SourceMgr.getSLocEntry(I + 1).getOffset();
- Record.push_back(NextOffset - SLoc->getOffset() - 1);
- Stream.EmitRecordWithAbbrev(SLocInstantiationAbbrv, Record);
- }
- }
-
- Stream.ExitBlock();
-
- if (SLocEntryOffsets.empty())
- return;
-
- // Write the source-location offsets table into the PCH block. This
- // table is used for lazily loading source-location information.
- using namespace llvm;
- BitCodeAbbrev *Abbrev = new BitCodeAbbrev();
- Abbrev->Add(BitCodeAbbrevOp(pch::SOURCE_LOCATION_OFFSETS));
- Abbrev->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 16)); // # of slocs
- Abbrev->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 16)); // next offset
- Abbrev->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Blob)); // offsets
- unsigned SLocOffsetsAbbrev = Stream.EmitAbbrev(Abbrev);
-
- Record.clear();
- Record.push_back(pch::SOURCE_LOCATION_OFFSETS);
- Record.push_back(SLocEntryOffsets.size());
- Record.push_back(SourceMgr.getNextOffset());
- Stream.EmitRecordWithBlob(SLocOffsetsAbbrev, Record,
- (const char *)data(SLocEntryOffsets),
- SLocEntryOffsets.size()*sizeof(SLocEntryOffsets[0]));
-
- // Write the source location entry preloads array, telling the PCH
- // reader which source locations entries it should load eagerly.
- Stream.EmitRecord(pch::SOURCE_LOCATION_PRELOADS, PreloadSLocs);
-}
-
-//===----------------------------------------------------------------------===//
-// Preprocessor Serialization
-//===----------------------------------------------------------------------===//
-
-/// \brief Writes the block containing the serialized form of the
-/// preprocessor.
-///
-void PCHWriter::WritePreprocessor(const Preprocessor &PP) {
- RecordData Record;
-
- // If the preprocessor __COUNTER__ value has been bumped, remember it.
- if (PP.getCounterValue() != 0) {
- Record.push_back(PP.getCounterValue());
- Stream.EmitRecord(pch::PP_COUNTER_VALUE, Record);
- Record.clear();
- }
-
- // Enter the preprocessor block.
- Stream.EnterSubblock(pch::PREPROCESSOR_BLOCK_ID, 2);
-
- // If the PCH file contains __DATE__ or __TIME__ emit a warning about this.
- // FIXME: use diagnostics subsystem for localization etc.
- if (PP.SawDateOrTime())
- fprintf(stderr, "warning: precompiled header used __DATE__ or __TIME__.\n");
-
- // Loop over all the macro definitions that are live at the end of the file,
- // emitting each to the PP section.
- PreprocessingRecord *PPRec = PP.getPreprocessingRecord();
- for (Preprocessor::macro_iterator I = PP.macro_begin(), E = PP.macro_end();
- I != E; ++I) {
- // FIXME: This emits macros in hash table order, we should do it in a stable
- // order so that output is reproducible.
- MacroInfo *MI = I->second;
-
- // Don't emit builtin macros like __LINE__ to the PCH file unless they have
- // been redefined by the header (in which case they are not isBuiltinMacro).
- // Also skip macros from a PCH file if we're chaining.
- if (MI->isBuiltinMacro() || (Chain && MI->isFromPCH()))
- continue;
-
- AddIdentifierRef(I->first, Record);
- MacroOffsets[I->first] = Stream.GetCurrentBitNo();
- Record.push_back(MI->getDefinitionLoc().getRawEncoding());
- Record.push_back(MI->isUsed());
-
- unsigned Code;
- if (MI->isObjectLike()) {
- Code = pch::PP_MACRO_OBJECT_LIKE;
- } else {
- Code = pch::PP_MACRO_FUNCTION_LIKE;
-
- Record.push_back(MI->isC99Varargs());
- Record.push_back(MI->isGNUVarargs());
- Record.push_back(MI->getNumArgs());
- for (MacroInfo::arg_iterator I = MI->arg_begin(), E = MI->arg_end();
- I != E; ++I)
- AddIdentifierRef(*I, Record);
- }
-
- // If we have a detailed preprocessing record, record the macro definition
- // ID that corresponds to this macro.
- if (PPRec)
- Record.push_back(getMacroDefinitionID(PPRec->findMacroDefinition(MI)));
-
- Stream.EmitRecord(Code, Record);
- Record.clear();
-
- // Emit the tokens array.
- for (unsigned TokNo = 0, e = MI->getNumTokens(); TokNo != e; ++TokNo) {
- // Note that we know that the preprocessor does not have any annotation
- // tokens in it because they are created by the parser, and thus can't be
- // in a macro definition.
- const Token &Tok = MI->getReplacementToken(TokNo);
-
- Record.push_back(Tok.getLocation().getRawEncoding());
- Record.push_back(Tok.getLength());
-
- // FIXME: When reading literal tokens, reconstruct the literal pointer if
- // it is needed.
- AddIdentifierRef(Tok.getIdentifierInfo(), Record);
-
- // FIXME: Should translate token kind to a stable encoding.
- Record.push_back(Tok.getKind());
- // FIXME: Should translate token flags to a stable encoding.
- Record.push_back(Tok.getFlags());
-
- Stream.EmitRecord(pch::PP_TOKEN, Record);
- Record.clear();
- }
- ++NumMacros;
- }
-
- // If the preprocessor has a preprocessing record, emit it.
- unsigned NumPreprocessingRecords = 0;
- if (PPRec) {
- for (PreprocessingRecord::iterator E = PPRec->begin(), EEnd = PPRec->end();
- E != EEnd; ++E) {
- Record.clear();
-
- if (MacroInstantiation *MI = dyn_cast<MacroInstantiation>(*E)) {
- Record.push_back(NumPreprocessingRecords++);
- AddSourceLocation(MI->getSourceRange().getBegin(), Record);
- AddSourceLocation(MI->getSourceRange().getEnd(), Record);
- AddIdentifierRef(MI->getName(), Record);
- Record.push_back(getMacroDefinitionID(MI->getDefinition()));
- Stream.EmitRecord(pch::PP_MACRO_INSTANTIATION, Record);
- continue;
- }
-
- if (MacroDefinition *MD = dyn_cast<MacroDefinition>(*E)) {
- // Record this macro definition's location.
- pch::IdentID ID = getMacroDefinitionID(MD);
- if (ID != MacroDefinitionOffsets.size()) {
- if (ID > MacroDefinitionOffsets.size())
- MacroDefinitionOffsets.resize(ID + 1);
-
- MacroDefinitionOffsets[ID] = Stream.GetCurrentBitNo();
- } else
- MacroDefinitionOffsets.push_back(Stream.GetCurrentBitNo());
-
- Record.push_back(NumPreprocessingRecords++);
- Record.push_back(ID);
- AddSourceLocation(MD->getSourceRange().getBegin(), Record);
- AddSourceLocation(MD->getSourceRange().getEnd(), Record);
- AddIdentifierRef(MD->getName(), Record);
- AddSourceLocation(MD->getLocation(), Record);
- Stream.EmitRecord(pch::PP_MACRO_DEFINITION, Record);
- continue;
- }
- }
- }
-
- Stream.ExitBlock();
-
- // Write the offsets table for the preprocessing record.
- if (NumPreprocessingRecords > 0) {
- // Write the offsets table for identifier IDs.
- using namespace llvm;
- BitCodeAbbrev *Abbrev = new BitCodeAbbrev();
- Abbrev->Add(BitCodeAbbrevOp(pch::MACRO_DEFINITION_OFFSETS));
- Abbrev->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 32)); // # of records
- Abbrev->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 32)); // # of macro defs
- Abbrev->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Blob));
- unsigned MacroDefOffsetAbbrev = Stream.EmitAbbrev(Abbrev);
-
- Record.clear();
- Record.push_back(pch::MACRO_DEFINITION_OFFSETS);
- Record.push_back(NumPreprocessingRecords);
- Record.push_back(MacroDefinitionOffsets.size());
- Stream.EmitRecordWithBlob(MacroDefOffsetAbbrev, Record,
- (const char *)data(MacroDefinitionOffsets),
- MacroDefinitionOffsets.size() * sizeof(uint32_t));
- }
-}
-
-//===----------------------------------------------------------------------===//
-// Type Serialization
-//===----------------------------------------------------------------------===//
-
-/// \brief Write the representation of a type to the PCH stream.
-void PCHWriter::WriteType(QualType T) {
- pch::TypeID &ID = TypeIDs[T];
- if (ID == 0) // we haven't seen this type before.
- ID = NextTypeID++;
-
- // Record the offset for this type.
- unsigned Index = ID - FirstTypeID;
- if (TypeOffsets.size() == Index)
- TypeOffsets.push_back(Stream.GetCurrentBitNo());
- else if (TypeOffsets.size() < Index) {
- TypeOffsets.resize(Index + 1);
- TypeOffsets[Index] = Stream.GetCurrentBitNo();
- }
-
- RecordData Record;
-
- // Emit the type's representation.
- PCHTypeWriter W(*this, Record);
-
- if (T.hasLocalNonFastQualifiers()) {
- Qualifiers Qs = T.getLocalQualifiers();
- AddTypeRef(T.getLocalUnqualifiedType(), Record);
- Record.push_back(Qs.getAsOpaqueValue());
- W.Code = pch::TYPE_EXT_QUAL;
- } else {
- switch (T->getTypeClass()) {
- // For all of the concrete, non-dependent types, call the
- // appropriate visitor function.
-#define TYPE(Class, Base) \
- case Type::Class: W.Visit##Class##Type(cast<Class##Type>(T)); break;
-#define ABSTRACT_TYPE(Class, Base)
-#include "clang/AST/TypeNodes.def"
- }
- }
-
- // Emit the serialized record.
- Stream.EmitRecord(W.Code, Record);
-
- // Flush any expressions that were written as part of this type.
- FlushStmts();
-}
-
-//===----------------------------------------------------------------------===//
-// Declaration Serialization
-//===----------------------------------------------------------------------===//
-
-/// \brief Write the block containing all of the declaration IDs
-/// lexically declared within the given DeclContext.
-///
-/// \returns the offset of the DECL_CONTEXT_LEXICAL block within the
-/// bistream, or 0 if no block was written.
-uint64_t PCHWriter::WriteDeclContextLexicalBlock(ASTContext &Context,
- DeclContext *DC) {
- if (DC->decls_empty())
- return 0;
-
- uint64_t Offset = Stream.GetCurrentBitNo();
- RecordData Record;
- Record.push_back(pch::DECL_CONTEXT_LEXICAL);
- llvm::SmallVector<pch::DeclID, 64> Decls;
- for (DeclContext::decl_iterator D = DC->decls_begin(), DEnd = DC->decls_end();
- D != DEnd; ++D)
- Decls.push_back(GetDeclRef(*D));
-
- ++NumLexicalDeclContexts;
- Stream.EmitRecordWithBlob(DeclContextLexicalAbbrev, Record,
- reinterpret_cast<char*>(Decls.data()), Decls.size() * sizeof(pch::DeclID));
- return Offset;
-}
-
-/// \brief Write the block containing all of the declaration IDs
-/// visible from the given DeclContext.
-///
-/// \returns the offset of the DECL_CONTEXT_VISIBLE block within the
-/// bistream, or 0 if no block was written.
-uint64_t PCHWriter::WriteDeclContextVisibleBlock(ASTContext &Context,
- DeclContext *DC) {
- if (DC->getPrimaryContext() != DC)
- return 0;
-
- // Since there is no name lookup into functions or methods, don't bother to
- // build a visible-declarations table for these entities.
- if (DC->isFunctionOrMethod())
- return 0;
-
- // If not in C++, we perform name lookup for the translation unit via the
- // IdentifierInfo chains, don't bother to build a visible-declarations table.
- // FIXME: In C++ we need the visible declarations in order to "see" the
- // friend declarations, is there a way to do this without writing the table ?
- if (DC->isTranslationUnit() && !Context.getLangOptions().CPlusPlus)
- return 0;
-
- // Force the DeclContext to build a its name-lookup table.
- DC->lookup(DeclarationName());
-
- // Serialize the contents of the mapping used for lookup. Note that,
- // although we have two very different code paths, the serialized
- // representation is the same for both cases: a declaration name,
- // followed by a size, followed by references to the visible
- // declarations that have that name.
- uint64_t Offset = Stream.GetCurrentBitNo();
- RecordData Record;
- StoredDeclsMap *Map = static_cast<StoredDeclsMap*>(DC->getLookupPtr());
- if (!Map)
- return 0;
-
- for (StoredDeclsMap::iterator D = Map->begin(), DEnd = Map->end();
- D != DEnd; ++D) {
- AddDeclarationName(D->first, Record);
- DeclContext::lookup_result Result = D->second.getLookupResult(Context);
- Record.push_back(Result.second - Result.first);
- for (; Result.first != Result.second; ++Result.first)
- AddDeclRef(*Result.first, Record);
- }
-
- if (Record.size() == 0)
- return 0;
-
- Stream.EmitRecord(pch::DECL_CONTEXT_VISIBLE, Record);
- ++NumVisibleDeclContexts;
- return Offset;
-}
-
-void PCHWriter::WriteTypeDeclOffsets() {
- using namespace llvm;
- RecordData Record;
-
- // Write the type offsets array
- BitCodeAbbrev *Abbrev = new BitCodeAbbrev();
- Abbrev->Add(BitCodeAbbrevOp(pch::TYPE_OFFSET));
- Abbrev->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 32)); // # of types
- Abbrev->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Blob)); // types block
- unsigned TypeOffsetAbbrev = Stream.EmitAbbrev(Abbrev);
- Record.clear();
- Record.push_back(pch::TYPE_OFFSET);
- Record.push_back(TypeOffsets.size());
- Stream.EmitRecordWithBlob(TypeOffsetAbbrev, Record,
- (const char *)data(TypeOffsets),
- TypeOffsets.size() * sizeof(TypeOffsets[0]));
-
- // Write the declaration offsets array
- Abbrev = new BitCodeAbbrev();
- Abbrev->Add(BitCodeAbbrevOp(pch::DECL_OFFSET));
- Abbrev->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 32)); // # of declarations
- Abbrev->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Blob)); // declarations block
- unsigned DeclOffsetAbbrev = Stream.EmitAbbrev(Abbrev);
- Record.clear();
- Record.push_back(pch::DECL_OFFSET);
- Record.push_back(DeclOffsets.size());
- Stream.EmitRecordWithBlob(DeclOffsetAbbrev, Record,
- (const char *)data(DeclOffsets),
- DeclOffsets.size() * sizeof(DeclOffsets[0]));
-}
-
-//===----------------------------------------------------------------------===//
-// Global Method Pool and Selector Serialization
-//===----------------------------------------------------------------------===//
-
-namespace {
-// Trait used for the on-disk hash table used in the method pool.
-class PCHMethodPoolTrait {
- PCHWriter &Writer;
-
-public:
- typedef Selector key_type;
- typedef key_type key_type_ref;
-
- struct data_type {
- pch::SelectorID ID;
- ObjCMethodList Instance, Factory;
- };
- typedef const data_type& data_type_ref;
-
- explicit PCHMethodPoolTrait(PCHWriter &Writer) : Writer(Writer) { }
-
- static unsigned ComputeHash(Selector Sel) {
- unsigned N = Sel.getNumArgs();
- if (N == 0)
- ++N;
- unsigned R = 5381;
- for (unsigned I = 0; I != N; ++I)
- if (IdentifierInfo *II = Sel.getIdentifierInfoForSlot(I))
- R = llvm::HashString(II->getName(), R);
- return R;
- }
-
- std::pair<unsigned,unsigned>
- EmitKeyDataLength(llvm::raw_ostream& Out, Selector Sel,
- data_type_ref Methods) {
- unsigned KeyLen = 2 + (Sel.getNumArgs()? Sel.getNumArgs() * 4 : 4);
- clang::io::Emit16(Out, KeyLen);
- unsigned DataLen = 4 + 2 + 2; // 2 bytes for each of the method counts
- for (const ObjCMethodList *Method = &Methods.Instance; Method;
- Method = Method->Next)
- if (Method->Method)
- DataLen += 4;
- for (const ObjCMethodList *Method = &Methods.Factory; Method;
- Method = Method->Next)
- if (Method->Method)
- DataLen += 4;
- clang::io::Emit16(Out, DataLen);
- return std::make_pair(KeyLen, DataLen);
- }
-
- void EmitKey(llvm::raw_ostream& Out, Selector Sel, unsigned) {
- uint64_t Start = Out.tell();
- assert((Start >> 32) == 0 && "Selector key offset too large");
- Writer.SetSelectorOffset(Sel, Start);
- unsigned N = Sel.getNumArgs();
- clang::io::Emit16(Out, N);
- if (N == 0)
- N = 1;
- for (unsigned I = 0; I != N; ++I)
- clang::io::Emit32(Out,
- Writer.getIdentifierRef(Sel.getIdentifierInfoForSlot(I)));
- }
-
- void EmitData(llvm::raw_ostream& Out, key_type_ref,
- data_type_ref Methods, unsigned DataLen) {
- uint64_t Start = Out.tell(); (void)Start;
- clang::io::Emit32(Out, Methods.ID);
- unsigned NumInstanceMethods = 0;
- for (const ObjCMethodList *Method = &Methods.Instance; Method;
- Method = Method->Next)
- if (Method->Method)
- ++NumInstanceMethods;
-
- unsigned NumFactoryMethods = 0;
- for (const ObjCMethodList *Method = &Methods.Factory; Method;
- Method = Method->Next)
- if (Method->Method)
- ++NumFactoryMethods;
-
- clang::io::Emit16(Out, NumInstanceMethods);
- clang::io::Emit16(Out, NumFactoryMethods);
- for (const ObjCMethodList *Method = &Methods.Instance; Method;
- Method = Method->Next)
- if (Method->Method)
- clang::io::Emit32(Out, Writer.getDeclID(Method->Method));
- for (const ObjCMethodList *Method = &Methods.Factory; Method;
- Method = Method->Next)
- if (Method->Method)
- clang::io::Emit32(Out, Writer.getDeclID(Method->Method));
-
- assert(Out.tell() - Start == DataLen && "Data length is wrong");
- }
-};
-} // end anonymous namespace
-
-/// \brief Write ObjC data: selectors and the method pool.
-///
-/// The method pool contains both instance and factory methods, stored
-/// in an on-disk hash table indexed by the selector. The hash table also
-/// contains an empty entry for every other selector known to Sema.
-void PCHWriter::WriteSelectors(Sema &SemaRef) {
- using namespace llvm;
-
- // Do we have to do anything at all?
- if (SemaRef.MethodPool.empty() && SelectorIDs.empty())
- return;
- unsigned NumTableEntries = 0;
- // Create and write out the blob that contains selectors and the method pool.
- {
- OnDiskChainedHashTableGenerator<PCHMethodPoolTrait> Generator;
-
- // Create the on-disk hash table representation. We walk through every
- // selector we've seen and look it up in the method pool.
- SelectorOffsets.resize(NextSelectorID - FirstSelectorID);
- for (llvm::DenseMap<Selector, pch::SelectorID>::iterator
- I = SelectorIDs.begin(), E = SelectorIDs.end();
- I != E; ++I) {
- Selector S = I->first;
- Sema::GlobalMethodPool::iterator F = SemaRef.MethodPool.find(S);
- PCHMethodPoolTrait::data_type Data = {
- I->second,
- ObjCMethodList(),
- ObjCMethodList()
- };
- if (F != SemaRef.MethodPool.end()) {
- Data.Instance = F->second.first;
- Data.Factory = F->second.second;
- }
- // Only write this selector if it's not in an existing PCH or something
- // changed.
- if (Chain && I->second < FirstSelectorID) {
- // Selector already exists. Did it change?
- bool changed = false;
- for (ObjCMethodList *M = &Data.Instance; !changed && M && M->Method;
- M = M->Next) {
- if (M->Method->getPCHLevel() == 0)
- changed = true;
- }
- for (ObjCMethodList *M = &Data.Factory; !changed && M && M->Method;
- M = M->Next) {
- if (M->Method->getPCHLevel() == 0)
- changed = true;
- }
- if (!changed)
- continue;
- } else if (Data.Instance.Method || Data.Factory.Method) {
- // A new method pool entry.
- ++NumTableEntries;
- }
- Generator.insert(S, Data);
- }
-
- // Create the on-disk hash table in a buffer.
- llvm::SmallString<4096> MethodPool;
- uint32_t BucketOffset;
- {
- PCHMethodPoolTrait Trait(*this);
- llvm::raw_svector_ostream Out(MethodPool);
- // Make sure that no bucket is at offset 0
- clang::io::Emit32(Out, 0);
- BucketOffset = Generator.Emit(Out, Trait);
- }
-
- // Create a blob abbreviation
- BitCodeAbbrev *Abbrev = new BitCodeAbbrev();
- Abbrev->Add(BitCodeAbbrevOp(pch::METHOD_POOL));
- Abbrev->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 32));
- Abbrev->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 32));
- Abbrev->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Blob));
- unsigned MethodPoolAbbrev = Stream.EmitAbbrev(Abbrev);
-
- // Write the method pool
- RecordData Record;
- Record.push_back(pch::METHOD_POOL);
- Record.push_back(BucketOffset);
- Record.push_back(NumTableEntries);
- Stream.EmitRecordWithBlob(MethodPoolAbbrev, Record, MethodPool.str());
-
- // Create a blob abbreviation for the selector table offsets.
- Abbrev = new BitCodeAbbrev();
- Abbrev->Add(BitCodeAbbrevOp(pch::SELECTOR_OFFSETS));
- Abbrev->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 32)); // index
- Abbrev->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Blob));
- unsigned SelectorOffsetAbbrev = Stream.EmitAbbrev(Abbrev);
-
- // Write the selector offsets table.
- Record.clear();
- Record.push_back(pch::SELECTOR_OFFSETS);
- Record.push_back(SelectorOffsets.size());
- Stream.EmitRecordWithBlob(SelectorOffsetAbbrev, Record,
- (const char *)data(SelectorOffsets),
- SelectorOffsets.size() * 4);
- }
-}
-
-/// \brief Write the selectors referenced in @selector expression into PCH file.
-void PCHWriter::WriteReferencedSelectorsPool(Sema &SemaRef) {
- using namespace llvm;
- if (SemaRef.ReferencedSelectors.empty())
- return;
-
- RecordData Record;
-
- // Note: this writes out all references even for a dependent PCH. But it is
- // very tricky to fix, and given that @selector shouldn't really appear in
- // headers, probably not worth it. It's not a correctness issue.
- for (DenseMap<Selector, SourceLocation>::iterator S =
- SemaRef.ReferencedSelectors.begin(),
- E = SemaRef.ReferencedSelectors.end(); S != E; ++S) {
- Selector Sel = (*S).first;
- SourceLocation Loc = (*S).second;
- AddSelectorRef(Sel, Record);
- AddSourceLocation(Loc, Record);
- }
- Stream.EmitRecord(pch::REFERENCED_SELECTOR_POOL, Record);
-}
-
-//===----------------------------------------------------------------------===//
-// Identifier Table Serialization
-//===----------------------------------------------------------------------===//
-
-namespace {
-class PCHIdentifierTableTrait {
- PCHWriter &Writer;
- Preprocessor &PP;
-
- /// \brief Determines whether this is an "interesting" identifier
- /// that needs a full IdentifierInfo structure written into the hash
- /// table.
- static bool isInterestingIdentifier(const IdentifierInfo *II) {
- return II->isPoisoned() ||
- II->isExtensionToken() ||
- II->hasMacroDefinition() ||
- II->getObjCOrBuiltinID() ||
- II->getFETokenInfo<void>();
- }
-
-public:
- typedef const IdentifierInfo* key_type;
- typedef key_type key_type_ref;
-
- typedef pch::IdentID data_type;
- typedef data_type data_type_ref;
-
- PCHIdentifierTableTrait(PCHWriter &Writer, Preprocessor &PP)
- : Writer(Writer), PP(PP) { }
-
- static unsigned ComputeHash(const IdentifierInfo* II) {
- return llvm::HashString(II->getName());
- }
-
- std::pair<unsigned,unsigned>
- EmitKeyDataLength(llvm::raw_ostream& Out, const IdentifierInfo* II,
- pch::IdentID ID) {
- unsigned KeyLen = II->getLength() + 1;
- unsigned DataLen = 4; // 4 bytes for the persistent ID << 1
- if (isInterestingIdentifier(II)) {
- DataLen += 2; // 2 bytes for builtin ID, flags
- if (II->hasMacroDefinition() &&
- !PP.getMacroInfo(const_cast<IdentifierInfo *>(II))->isBuiltinMacro())
- DataLen += 4;
- for (IdentifierResolver::iterator D = IdentifierResolver::begin(II),
- DEnd = IdentifierResolver::end();
- D != DEnd; ++D)
- DataLen += sizeof(pch::DeclID);
- }
- clang::io::Emit16(Out, DataLen);
- // We emit the key length after the data length so that every
- // string is preceded by a 16-bit length. This matches the PTH
- // format for storing identifiers.
- clang::io::Emit16(Out, KeyLen);
- return std::make_pair(KeyLen, DataLen);
- }
-
- void EmitKey(llvm::raw_ostream& Out, const IdentifierInfo* II,
- unsigned KeyLen) {
- // Record the location of the key data. This is used when generating
- // the mapping from persistent IDs to strings.
- Writer.SetIdentifierOffset(II, Out.tell());
- Out.write(II->getNameStart(), KeyLen);
- }
-
- void EmitData(llvm::raw_ostream& Out, const IdentifierInfo* II,
- pch::IdentID ID, unsigned) {
- if (!isInterestingIdentifier(II)) {
- clang::io::Emit32(Out, ID << 1);
- return;
- }
-
- clang::io::Emit32(Out, (ID << 1) | 0x01);
- uint32_t Bits = 0;
- bool hasMacroDefinition =
- II->hasMacroDefinition() &&
- !PP.getMacroInfo(const_cast<IdentifierInfo *>(II))->isBuiltinMacro();
- Bits = (uint32_t)II->getObjCOrBuiltinID();
- Bits = (Bits << 1) | unsigned(hasMacroDefinition);
- Bits = (Bits << 1) | unsigned(II->isExtensionToken());
- Bits = (Bits << 1) | unsigned(II->isPoisoned());
- Bits = (Bits << 1) | unsigned(II->hasRevertedTokenIDToIdentifier());
- Bits = (Bits << 1) | unsigned(II->isCPlusPlusOperatorKeyword());
- clang::io::Emit16(Out, Bits);
-
- if (hasMacroDefinition)
- clang::io::Emit32(Out, Writer.getMacroOffset(II));
-
- // Emit the declaration IDs in reverse order, because the
- // IdentifierResolver provides the declarations as they would be
- // visible (e.g., the function "stat" would come before the struct
- // "stat"), but IdentifierResolver::AddDeclToIdentifierChain()
- // adds declarations to the end of the list (so we need to see the
- // struct "status" before the function "status").
- // Only emit declarations that aren't from a chained PCH, though.
- llvm::SmallVector<Decl *, 16> Decls(IdentifierResolver::begin(II),
- IdentifierResolver::end());
- for (llvm::SmallVector<Decl *, 16>::reverse_iterator D = Decls.rbegin(),
- DEnd = Decls.rend();
- D != DEnd; ++D)
- clang::io::Emit32(Out, Writer.getDeclID(*D));
- }
-};
-} // end anonymous namespace
-
-/// \brief Write the identifier table into the PCH file.
-///
-/// The identifier table consists of a blob containing string data
-/// (the actual identifiers themselves) and a separate "offsets" index
-/// that maps identifier IDs to locations within the blob.
-void PCHWriter::WriteIdentifierTable(Preprocessor &PP) {
- using namespace llvm;
-
- // Create and write out the blob that contains the identifier
- // strings.
- {
- OnDiskChainedHashTableGenerator<PCHIdentifierTableTrait> Generator;
-
- // Look for any identifiers that were named while processing the
- // headers, but are otherwise not needed. We add these to the hash
- // table to enable checking of the predefines buffer in the case
- // where the user adds new macro definitions when building the PCH
- // file.
- for (IdentifierTable::iterator ID = PP.getIdentifierTable().begin(),
- IDEnd = PP.getIdentifierTable().end();
- ID != IDEnd; ++ID)
- getIdentifierRef(ID->second);
-
- // Create the on-disk hash table representation. We only store offsets
- // for identifiers that appear here for the first time.
- IdentifierOffsets.resize(NextIdentID - FirstIdentID);
- for (llvm::DenseMap<const IdentifierInfo *, pch::IdentID>::iterator
- ID = IdentifierIDs.begin(), IDEnd = IdentifierIDs.end();
- ID != IDEnd; ++ID) {
- assert(ID->first && "NULL identifier in identifier table");
- if (!Chain || !ID->first->isFromPCH())
- Generator.insert(ID->first, ID->second);
- }
-
- // Create the on-disk hash table in a buffer.
- llvm::SmallString<4096> IdentifierTable;
- uint32_t BucketOffset;
- {
- PCHIdentifierTableTrait Trait(*this, PP);
- llvm::raw_svector_ostream Out(IdentifierTable);
- // Make sure that no bucket is at offset 0
- clang::io::Emit32(Out, 0);
- BucketOffset = Generator.Emit(Out, Trait);
- }
-
- // Create a blob abbreviation
- BitCodeAbbrev *Abbrev = new BitCodeAbbrev();
- Abbrev->Add(BitCodeAbbrevOp(pch::IDENTIFIER_TABLE));
- Abbrev->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 32));
- Abbrev->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Blob));
- unsigned IDTableAbbrev = Stream.EmitAbbrev(Abbrev);
-
- // Write the identifier table
- RecordData Record;
- Record.push_back(pch::IDENTIFIER_TABLE);
- Record.push_back(BucketOffset);
- Stream.EmitRecordWithBlob(IDTableAbbrev, Record, IdentifierTable.str());
- }
-
- // Write the offsets table for identifier IDs.
- BitCodeAbbrev *Abbrev = new BitCodeAbbrev();
- Abbrev->Add(BitCodeAbbrevOp(pch::IDENTIFIER_OFFSET));
- Abbrev->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 32)); // # of identifiers
- Abbrev->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Blob));
- unsigned IdentifierOffsetAbbrev = Stream.EmitAbbrev(Abbrev);
-
- RecordData Record;
- Record.push_back(pch::IDENTIFIER_OFFSET);
- Record.push_back(IdentifierOffsets.size());
- Stream.EmitRecordWithBlob(IdentifierOffsetAbbrev, Record,
- (const char *)data(IdentifierOffsets),
- IdentifierOffsets.size() * sizeof(uint32_t));
-}
-
-//===----------------------------------------------------------------------===//
-// General Serialization Routines
-//===----------------------------------------------------------------------===//
-
-/// \brief Write a record containing the given attributes.
-void PCHWriter::WriteAttributeRecord(const Attr *Attr) {
- RecordData Record;
- for (; Attr; Attr = Attr->getNext()) {
- Record.push_back(Attr->getKind()); // FIXME: stable encoding, target attrs
- Record.push_back(Attr->isInherited());
- switch (Attr->getKind()) {
- default:
- assert(0 && "Does not support PCH writing for this attribute yet!");
- break;
- case attr::Alias:
- AddString(cast<AliasAttr>(Attr)->getAliasee(), Record);
- break;
-
- case attr::AlignMac68k:
- break;
-
- case attr::Aligned:
- Record.push_back(cast<AlignedAttr>(Attr)->getAlignment());
- break;
-
- case attr::AlwaysInline:
- break;
-
- case attr::AnalyzerNoReturn:
- break;
-
- case attr::Annotate:
- AddString(cast<AnnotateAttr>(Attr)->getAnnotation(), Record);
- break;
-
- case attr::AsmLabel:
- AddString(cast<AsmLabelAttr>(Attr)->getLabel(), Record);
- break;
-
- case attr::BaseCheck:
- break;
-
- case attr::Blocks:
- Record.push_back(cast<BlocksAttr>(Attr)->getType()); // FIXME: stable
- break;
-
- case attr::CDecl:
- break;
-
- case attr::Cleanup:
- AddDeclRef(cast<CleanupAttr>(Attr)->getFunctionDecl(), Record);
- break;
-
- case attr::Const:
- break;
-
- case attr::Constructor:
- Record.push_back(cast<ConstructorAttr>(Attr)->getPriority());
- break;
-
- case attr::DLLExport:
- case attr::DLLImport:
- case attr::Deprecated:
- break;
-
- case attr::Destructor:
- Record.push_back(cast<DestructorAttr>(Attr)->getPriority());
- break;
-
- case attr::FastCall:
- case attr::Final:
- break;
-
- case attr::Format: {
- const FormatAttr *Format = cast<FormatAttr>(Attr);
- AddString(Format->getType(), Record);
- Record.push_back(Format->getFormatIdx());
- Record.push_back(Format->getFirstArg());
- break;
- }
-
- case attr::FormatArg: {
- const FormatArgAttr *Format = cast<FormatArgAttr>(Attr);
- Record.push_back(Format->getFormatIdx());
- break;
- }
-
- case attr::Sentinel : {
- const SentinelAttr *Sentinel = cast<SentinelAttr>(Attr);
- Record.push_back(Sentinel->getSentinel());
- Record.push_back(Sentinel->getNullPos());
- break;
- }
-
- case attr::GNUInline:
- case attr::Hiding:
- case attr::IBAction:
- case attr::IBOutlet:
- case attr::Malloc:
- case attr::NoDebug:
- case attr::NoInline:
- case attr::NoReturn:
- case attr::NoThrow:
- break;
-
- case attr::IBOutletCollection: {
- const IBOutletCollectionAttr *ICA = cast<IBOutletCollectionAttr>(Attr);
- AddDeclRef(ICA->getClass(), Record);
- break;
- }
-
- case attr::NonNull: {
- const NonNullAttr *NonNull = cast<NonNullAttr>(Attr);
- Record.push_back(NonNull->size());
- Record.insert(Record.end(), NonNull->begin(), NonNull->end());
- break;
- }
-
- case attr::CFReturnsNotRetained:
- case attr::CFReturnsRetained:
- case attr::NSReturnsNotRetained:
- case attr::NSReturnsRetained:
- case attr::ObjCException:
- case attr::ObjCNSObject:
- case attr::Overloadable:
- case attr::Override:
- break;
-
- case attr::MaxFieldAlignment:
- Record.push_back(cast<MaxFieldAlignmentAttr>(Attr)->getAlignment());
- break;
-
- case attr::Packed:
- break;
-
- case attr::Pure:
- break;
-
- case attr::Regparm:
- Record.push_back(cast<RegparmAttr>(Attr)->getNumParams());
- break;
-
- case attr::ReqdWorkGroupSize:
- Record.push_back(cast<ReqdWorkGroupSizeAttr>(Attr)->getXDim());
- Record.push_back(cast<ReqdWorkGroupSizeAttr>(Attr)->getYDim());
- Record.push_back(cast<ReqdWorkGroupSizeAttr>(Attr)->getZDim());
- break;
-
- case attr::Section:
- AddString(cast<SectionAttr>(Attr)->getName(), Record);
- break;
-
- case attr::StdCall:
- case attr::TransparentUnion:
- case attr::Unavailable:
- case attr::Unused:
- case attr::Used:
- break;
-
- case attr::Visibility:
- // FIXME: stable encoding
- Record.push_back(cast<VisibilityAttr>(Attr)->getVisibility());
- Record.push_back(cast<VisibilityAttr>(Attr)->isFromPragma());
- break;
-
- case attr::WarnUnusedResult:
- case attr::Weak:
- case attr::WeakRef:
- case attr::WeakImport:
- break;
- }
- }
-
- Stream.EmitRecord(pch::DECL_ATTR, Record);
-}
-
-void PCHWriter::AddString(const std::string &Str, RecordData &Record) {
- Record.push_back(Str.size());
- Record.insert(Record.end(), Str.begin(), Str.end());
-}
-
-/// \brief Note that the identifier II occurs at the given offset
-/// within the identifier table.
-void PCHWriter::SetIdentifierOffset(const IdentifierInfo *II, uint32_t Offset) {
- pch::IdentID ID = IdentifierIDs[II];
- // Only store offsets new to this PCH file. Other identifier names are looked
- // up earlier in the chain and thus don't need an offset.
- if (ID >= FirstIdentID)
- IdentifierOffsets[ID - FirstIdentID] = Offset;
-}
-
-/// \brief Note that the selector Sel occurs at the given offset
-/// within the method pool/selector table.
-void PCHWriter::SetSelectorOffset(Selector Sel, uint32_t Offset) {
- unsigned ID = SelectorIDs[Sel];
- assert(ID && "Unknown selector");
- // Don't record offsets for selectors that are also available in a different
- // file.
- if (ID < FirstSelectorID)
- return;
- SelectorOffsets[ID - FirstSelectorID] = Offset;
-}
-
-PCHWriter::PCHWriter(llvm::BitstreamWriter &Stream)
- : Stream(Stream), Chain(0), FirstDeclID(1), NextDeclID(FirstDeclID),
- FirstTypeID(pch::NUM_PREDEF_TYPE_IDS), NextTypeID(FirstTypeID),
- FirstIdentID(1), NextIdentID(FirstIdentID), FirstSelectorID(1),
- NextSelectorID(FirstSelectorID), CollectedStmts(&StmtsToEmit),
- NumStatements(0), NumMacros(0), NumLexicalDeclContexts(0),
- NumVisibleDeclContexts(0) {
-}
-
-void PCHWriter::WritePCH(Sema &SemaRef, MemorizeStatCalls *StatCalls,
- const char *isysroot) {
- // Emit the file header.
- Stream.Emit((unsigned)'C', 8);
- Stream.Emit((unsigned)'P', 8);
- Stream.Emit((unsigned)'C', 8);
- Stream.Emit((unsigned)'H', 8);
-
- WriteBlockInfoBlock();
-
- if (Chain)
- WritePCHChain(SemaRef, StatCalls, isysroot);
- else
- WritePCHCore(SemaRef, StatCalls, isysroot);
-}
-
-void PCHWriter::WritePCHCore(Sema &SemaRef, MemorizeStatCalls *StatCalls,
- const char *isysroot) {
- using namespace llvm;
-
- ASTContext &Context = SemaRef.Context;
- Preprocessor &PP = SemaRef.PP;
-
- // The translation unit is the first declaration we'll emit.
- DeclIDs[Context.getTranslationUnitDecl()] = 1;
- ++NextDeclID;
- DeclTypesToEmit.push(Context.getTranslationUnitDecl());
-
- // Make sure that we emit IdentifierInfos (and any attached
- // declarations) for builtins.
- {
- IdentifierTable &Table = PP.getIdentifierTable();
- llvm::SmallVector<const char *, 32> BuiltinNames;
- Context.BuiltinInfo.GetBuiltinNames(BuiltinNames,
- Context.getLangOptions().NoBuiltin);
- for (unsigned I = 0, N = BuiltinNames.size(); I != N; ++I)
- getIdentifierRef(&Table.get(BuiltinNames[I]));
- }
-
- // Build a record containing all of the tentative definitions in this file, in
- // TentativeDefinitions order. Generally, this record will be empty for
- // headers.
- RecordData TentativeDefinitions;
- for (unsigned i = 0, e = SemaRef.TentativeDefinitions.size(); i != e; ++i) {
- AddDeclRef(SemaRef.TentativeDefinitions[i], TentativeDefinitions);
- }
-
- // Build a record containing all of the file scoped decls in this file.
- RecordData UnusedFileScopedDecls;
- for (unsigned i=0, e = SemaRef.UnusedFileScopedDecls.size(); i !=e; ++i)
- AddDeclRef(SemaRef.UnusedFileScopedDecls[i], UnusedFileScopedDecls);
-
- RecordData WeakUndeclaredIdentifiers;
- if (!SemaRef.WeakUndeclaredIdentifiers.empty()) {
- WeakUndeclaredIdentifiers.push_back(
- SemaRef.WeakUndeclaredIdentifiers.size());
- for (llvm::DenseMap<IdentifierInfo*,Sema::WeakInfo>::iterator
- I = SemaRef.WeakUndeclaredIdentifiers.begin(),
- E = SemaRef.WeakUndeclaredIdentifiers.end(); I != E; ++I) {
- AddIdentifierRef(I->first, WeakUndeclaredIdentifiers);
- AddIdentifierRef(I->second.getAlias(), WeakUndeclaredIdentifiers);
- AddSourceLocation(I->second.getLocation(), WeakUndeclaredIdentifiers);
- WeakUndeclaredIdentifiers.push_back(I->second.getUsed());
- }
- }
-
- // Build a record containing all of the locally-scoped external
- // declarations in this header file. Generally, this record will be
- // empty.
- RecordData LocallyScopedExternalDecls;
- // FIXME: This is filling in the PCH file in densemap order which is
- // nondeterminstic!
- for (llvm::DenseMap<DeclarationName, NamedDecl *>::iterator
- TD = SemaRef.LocallyScopedExternalDecls.begin(),
- TDEnd = SemaRef.LocallyScopedExternalDecls.end();
- TD != TDEnd; ++TD)
- AddDeclRef(TD->second, LocallyScopedExternalDecls);
-
- // Build a record containing all of the ext_vector declarations.
- RecordData ExtVectorDecls;
- for (unsigned I = 0, N = SemaRef.ExtVectorDecls.size(); I != N; ++I)
- AddDeclRef(SemaRef.ExtVectorDecls[I], ExtVectorDecls);
-
- // Build a record containing all of the VTable uses information.
- RecordData VTableUses;
- if (!SemaRef.VTableUses.empty()) {
- VTableUses.push_back(SemaRef.VTableUses.size());
- for (unsigned I = 0, N = SemaRef.VTableUses.size(); I != N; ++I) {
- AddDeclRef(SemaRef.VTableUses[I].first, VTableUses);
- AddSourceLocation(SemaRef.VTableUses[I].second, VTableUses);
- VTableUses.push_back(SemaRef.VTablesUsed[SemaRef.VTableUses[I].first]);
- }
- }
-
- // Build a record containing all of dynamic classes declarations.
- RecordData DynamicClasses;
- for (unsigned I = 0, N = SemaRef.DynamicClasses.size(); I != N; ++I)
- AddDeclRef(SemaRef.DynamicClasses[I], DynamicClasses);
-
- // Build a record containing all of pending implicit instantiations.
- RecordData PendingImplicitInstantiations;
- for (std::deque<Sema::PendingImplicitInstantiation>::iterator
- I = SemaRef.PendingImplicitInstantiations.begin(),
- N = SemaRef.PendingImplicitInstantiations.end(); I != N; ++I) {
- AddDeclRef(I->first, PendingImplicitInstantiations);
- AddSourceLocation(I->second, PendingImplicitInstantiations);
- }
- assert(SemaRef.PendingLocalImplicitInstantiations.empty() &&
- "There are local ones at end of translation unit!");
-
- // Build a record containing some declaration references.
- RecordData SemaDeclRefs;
- if (SemaRef.StdNamespace || SemaRef.StdBadAlloc) {
- AddDeclRef(SemaRef.getStdNamespace(), SemaDeclRefs);
- AddDeclRef(SemaRef.getStdBadAlloc(), SemaDeclRefs);
- }
-
- // Write the remaining PCH contents.
- RecordData Record;
- Stream.EnterSubblock(pch::PCH_BLOCK_ID, 5);
- WriteMetadata(Context, isysroot);
- WriteLanguageOptions(Context.getLangOptions());
- if (StatCalls && !isysroot)
- WriteStatCache(*StatCalls);
- WriteSourceManagerBlock(Context.getSourceManager(), PP, isysroot);
- // Write the record of special types.
- Record.clear();
-
- AddTypeRef(Context.getBuiltinVaListType(), Record);
- AddTypeRef(Context.getObjCIdType(), Record);
- AddTypeRef(Context.getObjCSelType(), Record);
- AddTypeRef(Context.getObjCProtoType(), Record);
- AddTypeRef(Context.getObjCClassType(), Record);
- AddTypeRef(Context.getRawCFConstantStringType(), Record);
- AddTypeRef(Context.getRawObjCFastEnumerationStateType(), Record);
- AddTypeRef(Context.getFILEType(), Record);
- AddTypeRef(Context.getjmp_bufType(), Record);
- AddTypeRef(Context.getsigjmp_bufType(), Record);
- AddTypeRef(Context.ObjCIdRedefinitionType, Record);
- AddTypeRef(Context.ObjCClassRedefinitionType, Record);
- AddTypeRef(Context.getRawBlockdescriptorType(), Record);
- AddTypeRef(Context.getRawBlockdescriptorExtendedType(), Record);
- AddTypeRef(Context.ObjCSelRedefinitionType, Record);
- AddTypeRef(Context.getRawNSConstantStringType(), Record);
- Record.push_back(Context.isInt128Installed());
- Stream.EmitRecord(pch::SPECIAL_TYPES, Record);
-
- // Keep writing types and declarations until all types and
- // declarations have been written.
- Stream.EnterSubblock(pch::DECLTYPES_BLOCK_ID, 3);
- WriteDeclsBlockAbbrevs();
- while (!DeclTypesToEmit.empty()) {
- DeclOrType DOT = DeclTypesToEmit.front();
- DeclTypesToEmit.pop();
- if (DOT.isType())
- WriteType(DOT.getType());
- else
- WriteDecl(Context, DOT.getDecl());
- }
- Stream.ExitBlock();
-
- WritePreprocessor(PP);
- WriteSelectors(SemaRef);
- WriteReferencedSelectorsPool(SemaRef);
- WriteIdentifierTable(PP);
-
- WriteTypeDeclOffsets();
-
- // Write the record containing external, unnamed definitions.
- if (!ExternalDefinitions.empty())
- Stream.EmitRecord(pch::EXTERNAL_DEFINITIONS, ExternalDefinitions);
-
- // Write the record containing tentative definitions.
- if (!TentativeDefinitions.empty())
- Stream.EmitRecord(pch::TENTATIVE_DEFINITIONS, TentativeDefinitions);
-
- // Write the record containing unused file scoped decls.
- if (!UnusedFileScopedDecls.empty())
- Stream.EmitRecord(pch::UNUSED_FILESCOPED_DECLS, UnusedFileScopedDecls);
-
- // Write the record containing weak undeclared identifiers.
- if (!WeakUndeclaredIdentifiers.empty())
- Stream.EmitRecord(pch::WEAK_UNDECLARED_IDENTIFIERS,
- WeakUndeclaredIdentifiers);
-
- // Write the record containing locally-scoped external definitions.
- if (!LocallyScopedExternalDecls.empty())
- Stream.EmitRecord(pch::LOCALLY_SCOPED_EXTERNAL_DECLS,
- LocallyScopedExternalDecls);
-
- // Write the record containing ext_vector type names.
- if (!ExtVectorDecls.empty())
- Stream.EmitRecord(pch::EXT_VECTOR_DECLS, ExtVectorDecls);
-
- // Write the record containing VTable uses information.
- if (!VTableUses.empty())
- Stream.EmitRecord(pch::VTABLE_USES, VTableUses);
-
- // Write the record containing dynamic classes declarations.
- if (!DynamicClasses.empty())
- Stream.EmitRecord(pch::DYNAMIC_CLASSES, DynamicClasses);
-
- // Write the record containing pending implicit instantiations.
- if (!PendingImplicitInstantiations.empty())
- Stream.EmitRecord(pch::PENDING_IMPLICIT_INSTANTIATIONS,
- PendingImplicitInstantiations);
-
- // Write the record containing declaration references of Sema.
- if (!SemaDeclRefs.empty())
- Stream.EmitRecord(pch::SEMA_DECL_REFS, SemaDeclRefs);
-
- // Some simple statistics
- Record.clear();
- Record.push_back(NumStatements);
- Record.push_back(NumMacros);
- Record.push_back(NumLexicalDeclContexts);
- Record.push_back(NumVisibleDeclContexts);
- Stream.EmitRecord(pch::STATISTICS, Record);
- Stream.ExitBlock();
-}
-
-void PCHWriter::WritePCHChain(Sema &SemaRef, MemorizeStatCalls *StatCalls,
- const char *isysroot) {
- using namespace llvm;
-
- FirstDeclID += Chain->getTotalNumDecls();
- FirstTypeID += Chain->getTotalNumTypes();
- FirstIdentID += Chain->getTotalNumIdentifiers();
- FirstSelectorID += Chain->getTotalNumSelectors();
- NextDeclID = FirstDeclID;
- NextTypeID = FirstTypeID;
- NextIdentID = FirstIdentID;
- NextSelectorID = FirstSelectorID;
-
- ASTContext &Context = SemaRef.Context;
- Preprocessor &PP = SemaRef.PP;
-
- RecordData Record;
- Stream.EnterSubblock(pch::PCH_BLOCK_ID, 5);
- WriteMetadata(Context, isysroot);
- if (StatCalls && !isysroot)
- WriteStatCache(*StatCalls);
- // FIXME: Source manager block should only write new stuff, which could be
- // done by tracking the largest ID in the chain
- WriteSourceManagerBlock(Context.getSourceManager(), PP, isysroot);
-
- // The special types are in the chained PCH.
-
- // We don't start with the translation unit, but with its decls that
- // don't come from the other PCH.
- const TranslationUnitDecl *TU = Context.getTranslationUnitDecl();
- llvm::SmallVector<pch::DeclID, 64> NewGlobalDecls;
- for (DeclContext::decl_iterator I = TU->noload_decls_begin(),
- E = TU->noload_decls_end();
- I != E; ++I) {
- if ((*I)->getPCHLevel() == 0)
- NewGlobalDecls.push_back(GetDeclRef(*I));
- else if ((*I)->isChangedSinceDeserialization())
- (void)GetDeclRef(*I); // Make sure it's written, but don't record it.
- }
- // We also need to write a lexical updates block for the TU.
- llvm::BitCodeAbbrev *Abv = new llvm::BitCodeAbbrev();
- Abv->Add(llvm::BitCodeAbbrevOp(pch::TU_UPDATE_LEXICAL));
- Abv->Add(llvm::BitCodeAbbrevOp(llvm::BitCodeAbbrevOp::Blob));
- unsigned TuUpdateLexicalAbbrev = Stream.EmitAbbrev(Abv);
- Record.clear();
- Record.push_back(pch::TU_UPDATE_LEXICAL);
- Stream.EmitRecordWithBlob(TuUpdateLexicalAbbrev, Record,
- reinterpret_cast<const char*>(NewGlobalDecls.data()),
- NewGlobalDecls.size() * sizeof(pch::DeclID));
-
- // Build a record containing all of the new tentative definitions in this
- // file, in TentativeDefinitions order.
- RecordData TentativeDefinitions;
- for (unsigned i = 0, e = SemaRef.TentativeDefinitions.size(); i != e; ++i) {
- if (SemaRef.TentativeDefinitions[i]->getPCHLevel() == 0)
- AddDeclRef(SemaRef.TentativeDefinitions[i], TentativeDefinitions);
- }
-
- // Build a record containing all of the file scoped decls in this file.
- RecordData UnusedFileScopedDecls;
- for (unsigned i=0, e = SemaRef.UnusedFileScopedDecls.size(); i !=e; ++i) {
- if (SemaRef.UnusedFileScopedDecls[i]->getPCHLevel() == 0)
- AddDeclRef(SemaRef.UnusedFileScopedDecls[i], UnusedFileScopedDecls);
- }
-
- // We write the entire table, overwriting the tables from the chain.
- RecordData WeakUndeclaredIdentifiers;
- if (!SemaRef.WeakUndeclaredIdentifiers.empty()) {
- WeakUndeclaredIdentifiers.push_back(
- SemaRef.WeakUndeclaredIdentifiers.size());
- for (llvm::DenseMap<IdentifierInfo*,Sema::WeakInfo>::iterator
- I = SemaRef.WeakUndeclaredIdentifiers.begin(),
- E = SemaRef.WeakUndeclaredIdentifiers.end(); I != E; ++I) {
- AddIdentifierRef(I->first, WeakUndeclaredIdentifiers);
- AddIdentifierRef(I->second.getAlias(), WeakUndeclaredIdentifiers);
- AddSourceLocation(I->second.getLocation(), WeakUndeclaredIdentifiers);
- WeakUndeclaredIdentifiers.push_back(I->second.getUsed());
- }
- }
-
- // Build a record containing all of the locally-scoped external
- // declarations in this header file. Generally, this record will be
- // empty.
- RecordData LocallyScopedExternalDecls;
- // FIXME: This is filling in the PCH file in densemap order which is
- // nondeterminstic!
- for (llvm::DenseMap<DeclarationName, NamedDecl *>::iterator
- TD = SemaRef.LocallyScopedExternalDecls.begin(),
- TDEnd = SemaRef.LocallyScopedExternalDecls.end();
- TD != TDEnd; ++TD) {
- if (TD->second->getPCHLevel() == 0)
- AddDeclRef(TD->second, LocallyScopedExternalDecls);
- }
-
- // Build a record containing all of the ext_vector declarations.
- RecordData ExtVectorDecls;
- for (unsigned I = 0, N = SemaRef.ExtVectorDecls.size(); I != N; ++I) {
- if (SemaRef.ExtVectorDecls[I]->getPCHLevel() == 0)
- AddDeclRef(SemaRef.ExtVectorDecls[I], ExtVectorDecls);
- }
-
- // Build a record containing all of the VTable uses information.
- // We write everything here, because it's too hard to determine whether
- // a use is new to this part.
- RecordData VTableUses;
- if (!SemaRef.VTableUses.empty()) {
- VTableUses.push_back(SemaRef.VTableUses.size());
- for (unsigned I = 0, N = SemaRef.VTableUses.size(); I != N; ++I) {
- AddDeclRef(SemaRef.VTableUses[I].first, VTableUses);
- AddSourceLocation(SemaRef.VTableUses[I].second, VTableUses);
- VTableUses.push_back(SemaRef.VTablesUsed[SemaRef.VTableUses[I].first]);
- }
- }
-
- // Build a record containing all of dynamic classes declarations.
- RecordData DynamicClasses;
- for (unsigned I = 0, N = SemaRef.DynamicClasses.size(); I != N; ++I)
- if (SemaRef.DynamicClasses[I]->getPCHLevel() == 0)
- AddDeclRef(SemaRef.DynamicClasses[I], DynamicClasses);
-
- // Build a record containing all of pending implicit instantiations.
- RecordData PendingImplicitInstantiations;
- for (std::deque<Sema::PendingImplicitInstantiation>::iterator
- I = SemaRef.PendingImplicitInstantiations.begin(),
- N = SemaRef.PendingImplicitInstantiations.end(); I != N; ++I) {
- if (I->first->getPCHLevel() == 0) {
- AddDeclRef(I->first, PendingImplicitInstantiations);
- AddSourceLocation(I->second, PendingImplicitInstantiations);
- }
- }
- assert(SemaRef.PendingLocalImplicitInstantiations.empty() &&
- "There are local ones at end of translation unit!");
-
- // Build a record containing some declaration references.
- // It's not worth the effort to avoid duplication here.
- RecordData SemaDeclRefs;
- if (SemaRef.StdNamespace || SemaRef.StdBadAlloc) {
- AddDeclRef(SemaRef.getStdNamespace(), SemaDeclRefs);
- AddDeclRef(SemaRef.getStdBadAlloc(), SemaDeclRefs);
- }
-
- Stream.EnterSubblock(pch::DECLTYPES_BLOCK_ID, 3);
- WriteDeclsBlockAbbrevs();
- while (!DeclTypesToEmit.empty()) {
- DeclOrType DOT = DeclTypesToEmit.front();
- DeclTypesToEmit.pop();
- if (DOT.isType())
- WriteType(DOT.getType());
- else
- WriteDecl(Context, DOT.getDecl());
- }
- Stream.ExitBlock();
-
- WritePreprocessor(PP);
- WriteSelectors(SemaRef);
- WriteReferencedSelectorsPool(SemaRef);
- WriteIdentifierTable(PP);
- WriteTypeDeclOffsets();
-
- /// Build a record containing first declarations from a chained PCH and the
- /// most recent declarations in this PCH that they point to.
- RecordData FirstLatestDeclIDs;
- for (FirstLatestDeclMap::iterator
- I = FirstLatestDecls.begin(), E = FirstLatestDecls.end(); I != E; ++I) {
- assert(I->first->getPCHLevel() > I->second->getPCHLevel() &&
- "Expected first & second to be in different PCHs");
- AddDeclRef(I->first, FirstLatestDeclIDs);
- AddDeclRef(I->second, FirstLatestDeclIDs);
- }
- if (!FirstLatestDeclIDs.empty())
- Stream.EmitRecord(pch::REDECLS_UPDATE_LATEST, FirstLatestDeclIDs);
-
- // Write the record containing external, unnamed definitions.
- if (!ExternalDefinitions.empty())
- Stream.EmitRecord(pch::EXTERNAL_DEFINITIONS, ExternalDefinitions);
-
- // Write the record containing tentative definitions.
- if (!TentativeDefinitions.empty())
- Stream.EmitRecord(pch::TENTATIVE_DEFINITIONS, TentativeDefinitions);
-
- // Write the record containing unused file scoped decls.
- if (!UnusedFileScopedDecls.empty())
- Stream.EmitRecord(pch::UNUSED_FILESCOPED_DECLS, UnusedFileScopedDecls);
-
- // Write the record containing weak undeclared identifiers.
- if (!WeakUndeclaredIdentifiers.empty())
- Stream.EmitRecord(pch::WEAK_UNDECLARED_IDENTIFIERS,
- WeakUndeclaredIdentifiers);
-
- // Write the record containing locally-scoped external definitions.
- if (!LocallyScopedExternalDecls.empty())
- Stream.EmitRecord(pch::LOCALLY_SCOPED_EXTERNAL_DECLS,
- LocallyScopedExternalDecls);
-
- // Write the record containing ext_vector type names.
- if (!ExtVectorDecls.empty())
- Stream.EmitRecord(pch::EXT_VECTOR_DECLS, ExtVectorDecls);
-
- // Write the record containing VTable uses information.
- if (!VTableUses.empty())
- Stream.EmitRecord(pch::VTABLE_USES, VTableUses);
-
- // Write the record containing dynamic classes declarations.
- if (!DynamicClasses.empty())
- Stream.EmitRecord(pch::DYNAMIC_CLASSES, DynamicClasses);
-
- // Write the record containing pending implicit instantiations.
- if (!PendingImplicitInstantiations.empty())
- Stream.EmitRecord(pch::PENDING_IMPLICIT_INSTANTIATIONS,
- PendingImplicitInstantiations);
-
- // Write the record containing declaration references of Sema.
- if (!SemaDeclRefs.empty())
- Stream.EmitRecord(pch::SEMA_DECL_REFS, SemaDeclRefs);
-
- Record.clear();
- Record.push_back(NumStatements);
- Record.push_back(NumMacros);
- Record.push_back(NumLexicalDeclContexts);
- Record.push_back(NumVisibleDeclContexts);
- WriteDeclUpdateBlock();
- Stream.EmitRecord(pch::STATISTICS, Record);
- Stream.ExitBlock();
-}
-
-void PCHWriter::WriteDeclUpdateBlock() {
- if (ReplacedDecls.empty())
- return;
-
- RecordData Record;
- for (llvm::SmallVector<std::pair<pch::DeclID, uint64_t>, 16>::iterator
- I = ReplacedDecls.begin(), E = ReplacedDecls.end(); I != E; ++I) {
- Record.push_back(I->first);
- Record.push_back(I->second);
- }
- Stream.EmitRecord(pch::DECL_REPLACEMENTS, Record);
-}
-
-void PCHWriter::AddSourceLocation(SourceLocation Loc, RecordData &Record) {
- Record.push_back(Loc.getRawEncoding());
-}
-
-void PCHWriter::AddSourceRange(SourceRange Range, RecordData &Record) {
- AddSourceLocation(Range.getBegin(), Record);
- AddSourceLocation(Range.getEnd(), Record);
-}
-
-void PCHWriter::AddAPInt(const llvm::APInt &Value, RecordData &Record) {
- Record.push_back(Value.getBitWidth());
- unsigned N = Value.getNumWords();
- const uint64_t* Words = Value.getRawData();
- for (unsigned I = 0; I != N; ++I)
- Record.push_back(Words[I]);
-}
-
-void PCHWriter::AddAPSInt(const llvm::APSInt &Value, RecordData &Record) {
- Record.push_back(Value.isUnsigned());
- AddAPInt(Value, Record);
-}
-
-void PCHWriter::AddAPFloat(const llvm::APFloat &Value, RecordData &Record) {
- AddAPInt(Value.bitcastToAPInt(), Record);
-}
-
-void PCHWriter::AddIdentifierRef(const IdentifierInfo *II, RecordData &Record) {
- Record.push_back(getIdentifierRef(II));
-}
-
-pch::IdentID PCHWriter::getIdentifierRef(const IdentifierInfo *II) {
- if (II == 0)
- return 0;
-
- pch::IdentID &ID = IdentifierIDs[II];
- if (ID == 0)
- ID = NextIdentID++;
- return ID;
-}
-
-pch::IdentID PCHWriter::getMacroDefinitionID(MacroDefinition *MD) {
- if (MD == 0)
- return 0;
-
- pch::IdentID &ID = MacroDefinitions[MD];
- if (ID == 0)
- ID = MacroDefinitions.size();
- return ID;
-}
-
-void PCHWriter::AddSelectorRef(const Selector SelRef, RecordData &Record) {
- Record.push_back(getSelectorRef(SelRef));
-}
-
-pch::SelectorID PCHWriter::getSelectorRef(Selector Sel) {
- if (Sel.getAsOpaquePtr() == 0) {
- return 0;
- }
-
- pch::SelectorID &SID = SelectorIDs[Sel];
- if (SID == 0 && Chain) {
- // This might trigger a ReadSelector callback, which will set the ID for
- // this selector.
- Chain->LoadSelector(Sel);
- }
- if (SID == 0) {
- SID = NextSelectorID++;
- }
- return SID;
-}
-
-void PCHWriter::AddCXXTemporary(const CXXTemporary *Temp, RecordData &Record) {
- AddDeclRef(Temp->getDestructor(), Record);
-}
-
-void PCHWriter::AddTemplateArgumentLocInfo(TemplateArgument::ArgKind Kind,
- const TemplateArgumentLocInfo &Arg,
- RecordData &Record) {
- switch (Kind) {
- case TemplateArgument::Expression:
- AddStmt(Arg.getAsExpr());
- break;
- case TemplateArgument::Type:
- AddTypeSourceInfo(Arg.getAsTypeSourceInfo(), Record);
- break;
- case TemplateArgument::Template:
- AddSourceRange(Arg.getTemplateQualifierRange(), Record);
- AddSourceLocation(Arg.getTemplateNameLoc(), Record);
- break;
- case TemplateArgument::Null:
- case TemplateArgument::Integral:
- case TemplateArgument::Declaration:
- case TemplateArgument::Pack:
- break;
- }
-}
-
-void PCHWriter::AddTemplateArgumentLoc(const TemplateArgumentLoc &Arg,
- RecordData &Record) {
- AddTemplateArgument(Arg.getArgument(), Record);
-
- if (Arg.getArgument().getKind() == TemplateArgument::Expression) {
- bool InfoHasSameExpr
- = Arg.getArgument().getAsExpr() == Arg.getLocInfo().getAsExpr();
- Record.push_back(InfoHasSameExpr);
- if (InfoHasSameExpr)
- return; // Avoid storing the same expr twice.
- }
- AddTemplateArgumentLocInfo(Arg.getArgument().getKind(), Arg.getLocInfo(),
- Record);
-}
-
-void PCHWriter::AddTypeSourceInfo(TypeSourceInfo *TInfo, RecordData &Record) {
- if (TInfo == 0) {
- AddTypeRef(QualType(), Record);
- return;
- }
-
- AddTypeRef(TInfo->getType(), Record);
- TypeLocWriter TLW(*this, Record);
- for (TypeLoc TL = TInfo->getTypeLoc(); !TL.isNull(); TL = TL.getNextTypeLoc())
- TLW.Visit(TL);
-}
-
-void PCHWriter::AddTypeRef(QualType T, RecordData &Record) {
- if (T.isNull()) {
- Record.push_back(pch::PREDEF_TYPE_NULL_ID);
- return;
- }
-
- unsigned FastQuals = T.getLocalFastQualifiers();
- T.removeFastQualifiers();
-
- if (T.hasLocalNonFastQualifiers()) {
- pch::TypeID &ID = TypeIDs[T];
- if (ID == 0) {
- // We haven't seen these qualifiers applied to this type before.
- // Assign it a new ID. This is the only time we enqueue a
- // qualified type, and it has no CV qualifiers.
- ID = NextTypeID++;
- DeclTypesToEmit.push(T);
- }
-
- // Encode the type qualifiers in the type reference.
- Record.push_back((ID << Qualifiers::FastWidth) | FastQuals);
- return;
- }
-
- assert(!T.hasLocalQualifiers());
-
- if (const BuiltinType *BT = dyn_cast<BuiltinType>(T.getTypePtr())) {
- pch::TypeID ID = 0;
- switch (BT->getKind()) {
- case BuiltinType::Void: ID = pch::PREDEF_TYPE_VOID_ID; break;
- case BuiltinType::Bool: ID = pch::PREDEF_TYPE_BOOL_ID; break;
- case BuiltinType::Char_U: ID = pch::PREDEF_TYPE_CHAR_U_ID; break;
- case BuiltinType::UChar: ID = pch::PREDEF_TYPE_UCHAR_ID; break;
- case BuiltinType::UShort: ID = pch::PREDEF_TYPE_USHORT_ID; break;
- case BuiltinType::UInt: ID = pch::PREDEF_TYPE_UINT_ID; break;
- case BuiltinType::ULong: ID = pch::PREDEF_TYPE_ULONG_ID; break;
- case BuiltinType::ULongLong: ID = pch::PREDEF_TYPE_ULONGLONG_ID; break;
- case BuiltinType::UInt128: ID = pch::PREDEF_TYPE_UINT128_ID; break;
- case BuiltinType::Char_S: ID = pch::PREDEF_TYPE_CHAR_S_ID; break;
- case BuiltinType::SChar: ID = pch::PREDEF_TYPE_SCHAR_ID; break;
- case BuiltinType::WChar: ID = pch::PREDEF_TYPE_WCHAR_ID; break;
- case BuiltinType::Short: ID = pch::PREDEF_TYPE_SHORT_ID; break;
- case BuiltinType::Int: ID = pch::PREDEF_TYPE_INT_ID; break;
- case BuiltinType::Long: ID = pch::PREDEF_TYPE_LONG_ID; break;
- case BuiltinType::LongLong: ID = pch::PREDEF_TYPE_LONGLONG_ID; break;
- case BuiltinType::Int128: ID = pch::PREDEF_TYPE_INT128_ID; break;
- case BuiltinType::Float: ID = pch::PREDEF_TYPE_FLOAT_ID; break;
- case BuiltinType::Double: ID = pch::PREDEF_TYPE_DOUBLE_ID; break;
- case BuiltinType::LongDouble: ID = pch::PREDEF_TYPE_LONGDOUBLE_ID; break;
- case BuiltinType::NullPtr: ID = pch::PREDEF_TYPE_NULLPTR_ID; break;
- case BuiltinType::Char16: ID = pch::PREDEF_TYPE_CHAR16_ID; break;
- case BuiltinType::Char32: ID = pch::PREDEF_TYPE_CHAR32_ID; break;
- case BuiltinType::Overload: ID = pch::PREDEF_TYPE_OVERLOAD_ID; break;
- case BuiltinType::Dependent: ID = pch::PREDEF_TYPE_DEPENDENT_ID; break;
- case BuiltinType::ObjCId: ID = pch::PREDEF_TYPE_OBJC_ID; break;
- case BuiltinType::ObjCClass: ID = pch::PREDEF_TYPE_OBJC_CLASS; break;
- case BuiltinType::ObjCSel: ID = pch::PREDEF_TYPE_OBJC_SEL; break;
- case BuiltinType::UndeducedAuto:
- assert(0 && "Should not see undeduced auto here");
- break;
- }
-
- Record.push_back((ID << Qualifiers::FastWidth) | FastQuals);
- return;
- }
-
- pch::TypeID &ID = TypeIDs[T];
- if (ID == 0) {
- // We haven't seen this type before. Assign it a new ID and put it
- // into the queue of types to emit.
- ID = NextTypeID++;
- DeclTypesToEmit.push(T);
- }
-
- // Encode the type qualifiers in the type reference.
- Record.push_back((ID << Qualifiers::FastWidth) | FastQuals);
-}
-
-void PCHWriter::AddDeclRef(const Decl *D, RecordData &Record) {
- Record.push_back(GetDeclRef(D));
-}
-
-pch::DeclID PCHWriter::GetDeclRef(const Decl *D) {
- if (D == 0) {
- return 0;
- }
-
- pch::DeclID &ID = DeclIDs[D];
- if (ID == 0) {
- // We haven't seen this declaration before. Give it a new ID and
- // enqueue it in the list of declarations to emit.
- ID = NextDeclID++;
- DeclTypesToEmit.push(const_cast<Decl *>(D));
- } else if (ID < FirstDeclID && D->isChangedSinceDeserialization()) {
- // We don't add it to the replacement collection here, because we don't
- // have the offset yet.
- DeclTypesToEmit.push(const_cast<Decl *>(D));
- // Reset the flag, so that we don't add this decl multiple times.
- const_cast<Decl *>(D)->setChangedSinceDeserialization(false);
- }
-
- return ID;
-}
-
-pch::DeclID PCHWriter::getDeclID(const Decl *D) {
- if (D == 0)
- return 0;
-
- assert(DeclIDs.find(D) != DeclIDs.end() && "Declaration not emitted!");
- return DeclIDs[D];
-}
-
-void PCHWriter::AddDeclarationName(DeclarationName Name, RecordData &Record) {
- // FIXME: Emit a stable enum for NameKind. 0 = Identifier etc.
- Record.push_back(Name.getNameKind());
- switch (Name.getNameKind()) {
- case DeclarationName::Identifier:
- AddIdentifierRef(Name.getAsIdentifierInfo(), Record);
- break;
-
- case DeclarationName::ObjCZeroArgSelector:
- case DeclarationName::ObjCOneArgSelector:
- case DeclarationName::ObjCMultiArgSelector:
- AddSelectorRef(Name.getObjCSelector(), Record);
- break;
-
- case DeclarationName::CXXConstructorName:
- case DeclarationName::CXXDestructorName:
- case DeclarationName::CXXConversionFunctionName:
- AddTypeRef(Name.getCXXNameType(), Record);
- break;
-
- case DeclarationName::CXXOperatorName:
- Record.push_back(Name.getCXXOverloadedOperator());
- break;
-
- case DeclarationName::CXXLiteralOperatorName:
- AddIdentifierRef(Name.getCXXLiteralIdentifier(), Record);
- break;
-
- case DeclarationName::CXXUsingDirective:
- // No extra data to emit
- break;
- }
-}
-
-void PCHWriter::AddNestedNameSpecifier(NestedNameSpecifier *NNS,
- RecordData &Record) {
- // Nested name specifiers usually aren't too long. I think that 8 would
- // typically accomodate the vast majority.
- llvm::SmallVector<NestedNameSpecifier *, 8> NestedNames;
-
- // Push each of the NNS's onto a stack for serialization in reverse order.
- while (NNS) {
- NestedNames.push_back(NNS);
- NNS = NNS->getPrefix();
- }
-
- Record.push_back(NestedNames.size());
- while(!NestedNames.empty()) {
- NNS = NestedNames.pop_back_val();
- NestedNameSpecifier::SpecifierKind Kind = NNS->getKind();
- Record.push_back(Kind);
- switch (Kind) {
- case NestedNameSpecifier::Identifier:
- AddIdentifierRef(NNS->getAsIdentifier(), Record);
- break;
-
- case NestedNameSpecifier::Namespace:
- AddDeclRef(NNS->getAsNamespace(), Record);
- break;
-
- case NestedNameSpecifier::TypeSpec:
- case NestedNameSpecifier::TypeSpecWithTemplate:
- AddTypeRef(QualType(NNS->getAsType(), 0), Record);
- Record.push_back(Kind == NestedNameSpecifier::TypeSpecWithTemplate);
- break;
-
- case NestedNameSpecifier::Global:
- // Don't need to write an associated value.
- break;
- }
- }
-}
-
-void PCHWriter::AddTemplateName(TemplateName Name, RecordData &Record) {
- TemplateName::NameKind Kind = Name.getKind();
- Record.push_back(Kind);
- switch (Kind) {
- case TemplateName::Template:
- AddDeclRef(Name.getAsTemplateDecl(), Record);
- break;
-
- case TemplateName::OverloadedTemplate: {
- OverloadedTemplateStorage *OvT = Name.getAsOverloadedTemplate();
- Record.push_back(OvT->size());
- for (OverloadedTemplateStorage::iterator I = OvT->begin(), E = OvT->end();
- I != E; ++I)
- AddDeclRef(*I, Record);
- break;
- }
-
- case TemplateName::QualifiedTemplate: {
- QualifiedTemplateName *QualT = Name.getAsQualifiedTemplateName();
- AddNestedNameSpecifier(QualT->getQualifier(), Record);
- Record.push_back(QualT->hasTemplateKeyword());
- AddDeclRef(QualT->getTemplateDecl(), Record);
- break;
- }
-
- case TemplateName::DependentTemplate: {
- DependentTemplateName *DepT = Name.getAsDependentTemplateName();
- AddNestedNameSpecifier(DepT->getQualifier(), Record);
- Record.push_back(DepT->isIdentifier());
- if (DepT->isIdentifier())
- AddIdentifierRef(DepT->getIdentifier(), Record);
- else
- Record.push_back(DepT->getOperator());
- break;
- }
- }
-}
-
-void PCHWriter::AddTemplateArgument(const TemplateArgument &Arg,
- RecordData &Record) {
- Record.push_back(Arg.getKind());
- switch (Arg.getKind()) {
- case TemplateArgument::Null:
- break;
- case TemplateArgument::Type:
- AddTypeRef(Arg.getAsType(), Record);
- break;
- case TemplateArgument::Declaration:
- AddDeclRef(Arg.getAsDecl(), Record);
- break;
- case TemplateArgument::Integral:
- AddAPSInt(*Arg.getAsIntegral(), Record);
- AddTypeRef(Arg.getIntegralType(), Record);
- break;
- case TemplateArgument::Template:
- AddTemplateName(Arg.getAsTemplate(), Record);
- break;
- case TemplateArgument::Expression:
- AddStmt(Arg.getAsExpr());
- break;
- case TemplateArgument::Pack:
- Record.push_back(Arg.pack_size());
- for (TemplateArgument::pack_iterator I=Arg.pack_begin(), E=Arg.pack_end();
- I != E; ++I)
- AddTemplateArgument(*I, Record);
- break;
- }
-}
-
-void
-PCHWriter::AddTemplateParameterList(const TemplateParameterList *TemplateParams,
- RecordData &Record) {
- assert(TemplateParams && "No TemplateParams!");
- AddSourceLocation(TemplateParams->getTemplateLoc(), Record);
- AddSourceLocation(TemplateParams->getLAngleLoc(), Record);
- AddSourceLocation(TemplateParams->getRAngleLoc(), Record);
- Record.push_back(TemplateParams->size());
- for (TemplateParameterList::const_iterator
- P = TemplateParams->begin(), PEnd = TemplateParams->end();
- P != PEnd; ++P)
- AddDeclRef(*P, Record);
-}
-
-/// \brief Emit a template argument list.
-void
-PCHWriter::AddTemplateArgumentList(const TemplateArgumentList *TemplateArgs,
- RecordData &Record) {
- assert(TemplateArgs && "No TemplateArgs!");
- Record.push_back(TemplateArgs->flat_size());
- for (int i=0, e = TemplateArgs->flat_size(); i != e; ++i)
- AddTemplateArgument(TemplateArgs->get(i), Record);
-}
-
-
-void
-PCHWriter::AddUnresolvedSet(const UnresolvedSetImpl &Set, RecordData &Record) {
- Record.push_back(Set.size());
- for (UnresolvedSetImpl::const_iterator
- I = Set.begin(), E = Set.end(); I != E; ++I) {
- AddDeclRef(I.getDecl(), Record);
- Record.push_back(I.getAccess());
- }
-}
-
-void PCHWriter::AddCXXBaseSpecifier(const CXXBaseSpecifier &Base,
- RecordData &Record) {
- Record.push_back(Base.isVirtual());
- Record.push_back(Base.isBaseOfClass());
- Record.push_back(Base.getAccessSpecifierAsWritten());
- AddTypeSourceInfo(Base.getTypeSourceInfo(), Record);
- AddSourceRange(Base.getSourceRange(), Record);
-}
-
-void PCHWriter::AddCXXBaseOrMemberInitializers(
- const CXXBaseOrMemberInitializer * const *BaseOrMembers,
- unsigned NumBaseOrMembers, RecordData &Record) {
- Record.push_back(NumBaseOrMembers);
- for (unsigned i=0; i != NumBaseOrMembers; ++i) {
- const CXXBaseOrMemberInitializer *Init = BaseOrMembers[i];
-
- Record.push_back(Init->isBaseInitializer());
- if (Init->isBaseInitializer()) {
- AddTypeSourceInfo(Init->getBaseClassInfo(), Record);
- Record.push_back(Init->isBaseVirtual());
- } else {
- AddDeclRef(Init->getMember(), Record);
- }
- AddSourceLocation(Init->getMemberLocation(), Record);
- AddStmt(Init->getInit());
- AddDeclRef(Init->getAnonUnionMember(), Record);
- AddSourceLocation(Init->getLParenLoc(), Record);
- AddSourceLocation(Init->getRParenLoc(), Record);
- Record.push_back(Init->isWritten());
- if (Init->isWritten()) {
- Record.push_back(Init->getSourceOrder());
- } else {
- Record.push_back(Init->getNumArrayIndices());
- for (unsigned i=0, e=Init->getNumArrayIndices(); i != e; ++i)
- AddDeclRef(Init->getArrayIndex(i), Record);
- }
- }
-}
-
-void PCHWriter::SetReader(PCHReader *Reader) {
- assert(Reader && "Cannot remove chain");
- assert(FirstDeclID == NextDeclID &&
- FirstTypeID == NextTypeID &&
- FirstIdentID == NextIdentID &&
- FirstSelectorID == NextSelectorID &&
- "Setting chain after writing has started.");
- Chain = Reader;
-}
-
-void PCHWriter::IdentifierRead(pch::IdentID ID, IdentifierInfo *II) {
- IdentifierIDs[II] = ID;
-}
-
-void PCHWriter::TypeRead(pch::TypeID ID, QualType T) {
- TypeIDs[T] = ID;
-}
-
-void PCHWriter::DeclRead(pch::DeclID ID, const Decl *D) {
- DeclIDs[D] = ID;
-}
-
-void PCHWriter::SelectorRead(pch::SelectorID ID, Selector S) {
- SelectorIDs[S] = ID;
-}
diff --git a/clang/lib/Frontend/PCHWriterDecl.cpp b/clang/lib/Frontend/PCHWriterDecl.cpp
deleted file mode 100644
index 9893d254e9e..00000000000
--- a/clang/lib/Frontend/PCHWriterDecl.cpp
+++ /dev/null
@@ -1,1174 +0,0 @@
-//===--- PCHWriterDecl.cpp - Declaration Serialization --------------------===//
-//
-// The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-//
-// This file implements serialization for Declarations.
-//
-//===----------------------------------------------------------------------===//
-
-#include "clang/Frontend/PCHWriter.h"
-#include "clang/AST/DeclVisitor.h"
-#include "clang/AST/DeclCXX.h"
-#include "clang/AST/DeclTemplate.h"
-#include "clang/AST/Expr.h"
-#include "llvm/ADT/Twine.h"
-#include "llvm/Bitcode/BitstreamWriter.h"
-#include "llvm/Support/ErrorHandling.h"
-using namespace clang;
-
-//===----------------------------------------------------------------------===//
-// Declaration serialization
-//===----------------------------------------------------------------------===//
-
-namespace clang {
- class PCHDeclWriter : public DeclVisitor<PCHDeclWriter, void> {
-
- PCHWriter &Writer;
- ASTContext &Context;
- PCHWriter::RecordData &Record;
-
- public:
- pch::DeclCode Code;
- unsigned AbbrevToUse;
-
- PCHDeclWriter(PCHWriter &Writer, ASTContext &Context,
- PCHWriter::RecordData &Record)
- : Writer(Writer), Context(Context), Record(Record) {
- }
-
- void Visit(Decl *D);
-
- void VisitDecl(Decl *D);
- void VisitTranslationUnitDecl(TranslationUnitDecl *D);
- void VisitNamedDecl(NamedDecl *D);
- void VisitNamespaceDecl(NamespaceDecl *D);
- void VisitUsingDirectiveDecl(UsingDirectiveDecl *D);
- void VisitNamespaceAliasDecl(NamespaceAliasDecl *D);
- void VisitTypeDecl(TypeDecl *D);
- void VisitTypedefDecl(TypedefDecl *D);
- void VisitUnresolvedUsingTypenameDecl(UnresolvedUsingTypenameDecl *D);
- void VisitTagDecl(TagDecl *D);
- void VisitEnumDecl(EnumDecl *D);
- void VisitRecordDecl(RecordDecl *D);
- void VisitCXXRecordDecl(CXXRecordDecl *D);
- void VisitClassTemplateSpecializationDecl(
- ClassTemplateSpecializationDecl *D);
- void VisitClassTemplatePartialSpecializationDecl(
- ClassTemplatePartialSpecializationDecl *D);
- void VisitTemplateTypeParmDecl(TemplateTypeParmDecl *D);
- void VisitValueDecl(ValueDecl *D);
- void VisitEnumConstantDecl(EnumConstantDecl *D);
- void VisitUnresolvedUsingValueDecl(UnresolvedUsingValueDecl *D);
- void VisitDeclaratorDecl(DeclaratorDecl *D);
- void VisitFunctionDecl(FunctionDecl *D);
- void VisitCXXMethodDecl(CXXMethodDecl *D);
- void VisitCXXConstructorDecl(CXXConstructorDecl *D);
- void VisitCXXDestructorDecl(CXXDestructorDecl *D);
- void VisitCXXConversionDecl(CXXConversionDecl *D);
- void VisitFieldDecl(FieldDecl *D);
- void VisitVarDecl(VarDecl *D);
- void VisitImplicitParamDecl(ImplicitParamDecl *D);
- void VisitParmVarDecl(ParmVarDecl *D);
- void VisitNonTypeTemplateParmDecl(NonTypeTemplateParmDecl *D);
- void VisitTemplateDecl(TemplateDecl *D);
- void VisitRedeclarableTemplateDecl(RedeclarableTemplateDecl *D);
- void VisitClassTemplateDecl(ClassTemplateDecl *D);
- void VisitFunctionTemplateDecl(FunctionTemplateDecl *D);
- void VisitTemplateTemplateParmDecl(TemplateTemplateParmDecl *D);
- void VisitUsingDecl(UsingDecl *D);
- void VisitUsingShadowDecl(UsingShadowDecl *D);
- void VisitLinkageSpecDecl(LinkageSpecDecl *D);
- void VisitFileScopeAsmDecl(FileScopeAsmDecl *D);
- void VisitAccessSpecDecl(AccessSpecDecl *D);
- void VisitFriendDecl(FriendDecl *D);
- void VisitFriendTemplateDecl(FriendTemplateDecl *D);
- void VisitStaticAssertDecl(StaticAssertDecl *D);
- void VisitBlockDecl(BlockDecl *D);
-
- void VisitDeclContext(DeclContext *DC, uint64_t LexicalOffset,
- uint64_t VisibleOffset);
- template <typename T> void VisitRedeclarable(Redeclarable<T> *D);
-
-
- // FIXME: Put in the same order is DeclNodes.td?
- void VisitObjCMethodDecl(ObjCMethodDecl *D);
- void VisitObjCContainerDecl(ObjCContainerDecl *D);
- void VisitObjCInterfaceDecl(ObjCInterfaceDecl *D);
- void VisitObjCIvarDecl(ObjCIvarDecl *D);
- void VisitObjCProtocolDecl(ObjCProtocolDecl *D);
- void VisitObjCAtDefsFieldDecl(ObjCAtDefsFieldDecl *D);
- void VisitObjCClassDecl(ObjCClassDecl *D);
- void VisitObjCForwardProtocolDecl(ObjCForwardProtocolDecl *D);
- void VisitObjCCategoryDecl(ObjCCategoryDecl *D);
- void VisitObjCImplDecl(ObjCImplDecl *D);
- void VisitObjCCategoryImplDecl(ObjCCategoryImplDecl *D);
- void VisitObjCImplementationDecl(ObjCImplementationDecl *D);
- void VisitObjCCompatibleAliasDecl(ObjCCompatibleAliasDecl *D);
- void VisitObjCPropertyDecl(ObjCPropertyDecl *D);
- void VisitObjCPropertyImplDecl(ObjCPropertyImplDecl *D);
- };
-}
-
-void PCHDeclWriter::Visit(Decl *D) {
- DeclVisitor<PCHDeclWriter>::Visit(D);
-
- // Handle FunctionDecl's body here and write it after all other Stmts/Exprs
- // have been written. We want it last because we will not read it back when
- // retrieving it from the PCH, we'll just lazily set the offset.
- if (FunctionDecl *FD = dyn_cast<FunctionDecl>(D)) {
- Record.push_back(FD->isThisDeclarationADefinition());
- if (FD->isThisDeclarationADefinition())
- Writer.AddStmt(FD->getBody());
- }
-}
-
-void PCHDeclWriter::VisitDecl(Decl *D) {
- Writer.AddDeclRef(cast_or_null<Decl>(D->getDeclContext()), Record);
- Writer.AddDeclRef(cast_or_null<Decl>(D->getLexicalDeclContext()), Record);
- Writer.AddSourceLocation(D->getLocation(), Record);
- Record.push_back(D->isInvalidDecl());
- Record.push_back(D->hasAttrs());
- Record.push_back(D->isImplicit());
- Record.push_back(D->isUsed(false));
- Record.push_back(D->getAccess());
- Record.push_back(D->getPCHLevel());
-}
-
-void PCHDeclWriter::VisitTranslationUnitDecl(TranslationUnitDecl *D) {
- VisitDecl(D);
- Writer.AddDeclRef(D->getAnonymousNamespace(), Record);
- Code = pch::DECL_TRANSLATION_UNIT;
-}
-
-void PCHDeclWriter::VisitNamedDecl(NamedDecl *D) {
- VisitDecl(D);
- Writer.AddDeclarationName(D->getDeclName(), Record);
-}
-
-void PCHDeclWriter::VisitTypeDecl(TypeDecl *D) {
- VisitNamedDecl(D);
- Writer.AddTypeRef(QualType(D->getTypeForDecl(), 0), Record);
-}
-
-void PCHDeclWriter::VisitTypedefDecl(TypedefDecl *D) {
- VisitTypeDecl(D);
- Writer.AddTypeSourceInfo(D->getTypeSourceInfo(), Record);
- Code = pch::DECL_TYPEDEF;
-}
-
-void PCHDeclWriter::VisitTagDecl(TagDecl *D) {
- VisitTypeDecl(D);
- Record.push_back(D->getIdentifierNamespace());
- VisitRedeclarable(D);
- Record.push_back((unsigned)D->getTagKind()); // FIXME: stable encoding
- Record.push_back(D->isDefinition());
- Record.push_back(D->isEmbeddedInDeclarator());
- Writer.AddSourceLocation(D->getRBraceLoc(), Record);
- Writer.AddSourceLocation(D->getTagKeywordLoc(), Record);
- // FIXME: maybe write optional qualifier and its range.
- Writer.AddDeclRef(D->getTypedefForAnonDecl(), Record);
-}
-
-void PCHDeclWriter::VisitEnumDecl(EnumDecl *D) {
- VisitTagDecl(D);
- Writer.AddTypeRef(D->getIntegerType(), Record);
- Writer.AddTypeRef(D->getPromotionType(), Record);
- Record.push_back(D->getNumPositiveBits());
- Record.push_back(D->getNumNegativeBits());
- Writer.AddDeclRef(D->getInstantiatedFromMemberEnum(), Record);
- Code = pch::DECL_ENUM;
-}
-
-void PCHDeclWriter::VisitRecordDecl(RecordDecl *D) {
- VisitTagDecl(D);
- Record.push_back(D->hasFlexibleArrayMember());
- Record.push_back(D->isAnonymousStructOrUnion());
- Record.push_back(D->hasObjectMember());
- Code = pch::DECL_RECORD;
-}
-
-void PCHDeclWriter::VisitValueDecl(ValueDecl *D) {
- VisitNamedDecl(D);
- Writer.AddTypeRef(D->getType(), Record);
-}
-
-void PCHDeclWriter::VisitEnumConstantDecl(EnumConstantDecl *D) {
- VisitValueDecl(D);
- Record.push_back(D->getInitExpr()? 1 : 0);
- if (D->getInitExpr())
- Writer.AddStmt(D->getInitExpr());
- Writer.AddAPSInt(D->getInitVal(), Record);
- Code = pch::DECL_ENUM_CONSTANT;
-}
-
-void PCHDeclWriter::VisitDeclaratorDecl(DeclaratorDecl *D) {
- VisitValueDecl(D);
- Writer.AddTypeSourceInfo(D->getTypeSourceInfo(), Record);
- // FIXME: write optional qualifier and its range.
-}
-
-void PCHDeclWriter::VisitFunctionDecl(FunctionDecl *D) {
- VisitDeclaratorDecl(D);
- // FIXME: write DeclarationNameLoc.
-
- Record.push_back(D->getIdentifierNamespace());
- Record.push_back(D->getTemplatedKind());
- switch (D->getTemplatedKind()) {
- default: assert(false && "Unhandled TemplatedKind!");
- break;
- case FunctionDecl::TK_NonTemplate:
- break;
- case FunctionDecl::TK_FunctionTemplate:
- Writer.AddDeclRef(D->getDescribedFunctionTemplate(), Record);
- break;
- case FunctionDecl::TK_MemberSpecialization: {
- MemberSpecializationInfo *MemberInfo = D->getMemberSpecializationInfo();
- Writer.AddDeclRef(MemberInfo->getInstantiatedFrom(), Record);
- Record.push_back(MemberInfo->getTemplateSpecializationKind());
- Writer.AddSourceLocation(MemberInfo->getPointOfInstantiation(), Record);
- break;
- }
- case FunctionDecl::TK_FunctionTemplateSpecialization: {
- FunctionTemplateSpecializationInfo *
- FTSInfo = D->getTemplateSpecializationInfo();
- // We want it canonical to guarantee that it has a Common*.
- Writer.AddDeclRef(FTSInfo->getTemplate()->getCanonicalDecl(), Record);
- Record.push_back(FTSInfo->getTemplateSpecializationKind());
-
- // Template arguments.
- Writer.AddTemplateArgumentList(FTSInfo->TemplateArguments, Record);
-
- // Template args as written.
- Record.push_back(FTSInfo->TemplateArgumentsAsWritten != 0);
- if (FTSInfo->TemplateArgumentsAsWritten) {
- Record.push_back(FTSInfo->TemplateArgumentsAsWritten->size());
- for (int i=0, e = FTSInfo->TemplateArgumentsAsWritten->size(); i!=e; ++i)
- Writer.AddTemplateArgumentLoc((*FTSInfo->TemplateArgumentsAsWritten)[i],
- Record);
- Writer.AddSourceLocation(FTSInfo->TemplateArgumentsAsWritten->getLAngleLoc(),
- Record);
- Writer.AddSourceLocation(FTSInfo->TemplateArgumentsAsWritten->getRAngleLoc(),
- Record);
- }
-
- Writer.AddSourceLocation(FTSInfo->getPointOfInstantiation(), Record);
- break;
- }
- case FunctionDecl::TK_DependentFunctionTemplateSpecialization: {
- DependentFunctionTemplateSpecializationInfo *
- DFTSInfo = D->getDependentSpecializationInfo();
-
- // Templates.
- Record.push_back(DFTSInfo->getNumTemplates());
- for (int i=0, e = DFTSInfo->getNumTemplates(); i != e; ++i)
- Writer.AddDeclRef(DFTSInfo->getTemplate(i), Record);
-
- // Templates args.
- Record.push_back(DFTSInfo->getNumTemplateArgs());
- for (int i=0, e = DFTSInfo->getNumTemplateArgs(); i != e; ++i)
- Writer.AddTemplateArgumentLoc(DFTSInfo->getTemplateArg(i), Record);
- Writer.AddSourceLocation(DFTSInfo->getLAngleLoc(), Record);
- Writer.AddSourceLocation(DFTSInfo->getRAngleLoc(), Record);
- break;
- }
- }
-
- // FunctionDecl's body is handled last at PCHWriterDecl::Visit,
- // after everything else is written.
-
- VisitRedeclarable(D);
- Record.push_back(D->getStorageClass()); // FIXME: stable encoding
- Record.push_back(D->getStorageClassAsWritten());
- Record.push_back(D->isInlineSpecified());
- Record.push_back(D->isVirtualAsWritten());
- Record.push_back(D->isPure());
- Record.push_back(D->hasInheritedPrototype());
- Record.push_back(D->hasWrittenPrototype());
- Record.push_back(D->isDeleted());
- Record.push_back(D->isTrivial());
- Record.push_back(D->isCopyAssignment());
- Record.push_back(D->hasImplicitReturnZero());
- Writer.AddSourceLocation(D->getLocEnd(), Record);
-
- Record.push_back(D->param_size());
- for (FunctionDecl::param_iterator P = D->param_begin(), PEnd = D->param_end();
- P != PEnd; ++P)
- Writer.AddDeclRef(*P, Record);
- Code = pch::DECL_FUNCTION;
-}
-
-void PCHDeclWriter::VisitObjCMethodDecl(ObjCMethodDecl *D) {
- VisitNamedDecl(D);
- // FIXME: convert to LazyStmtPtr?
- // Unlike C/C++, method bodies will never be in header files.
- bool HasBodyStuff = D->getBody() != 0 ||
- D->getSelfDecl() != 0 || D->getCmdDecl() != 0;
- Record.push_back(HasBodyStuff);
- if (HasBodyStuff) {
- Writer.AddStmt(D->getBody());
- Writer.AddDeclRef(D->getSelfDecl(), Record);
- Writer.AddDeclRef(D->getCmdDecl(), Record);
- }
- Record.push_back(D->isInstanceMethod());
- Record.push_back(D->isVariadic());
- Record.push_back(D->isSynthesized());
- Record.push_back(D->isDefined());
- // FIXME: stable encoding for @required/@optional
- Record.push_back(D->getImplementationControl());
- // FIXME: stable encoding for in/out/inout/bycopy/byref/oneway
- Record.push_back(D->getObjCDeclQualifier());
- Record.push_back(D->getNumSelectorArgs());
- Writer.AddTypeRef(D->getResultType(), Record);
- Writer.AddTypeSourceInfo(D->getResultTypeSourceInfo(), Record);
- Writer.AddSourceLocation(D->getLocEnd(), Record);
- Record.push_back(D->param_size());
- for (ObjCMethodDecl::param_iterator P = D->param_begin(),
- PEnd = D->param_end(); P != PEnd; ++P)
- Writer.AddDeclRef(*P, Record);
- Code = pch::DECL_OBJC_METHOD;
-}
-
-void PCHDeclWriter::VisitObjCContainerDecl(ObjCContainerDecl *D) {
- VisitNamedDecl(D);
- Writer.AddSourceRange(D->getAtEndRange(), Record);
- // Abstract class (no need to define a stable pch::DECL code).
-}
-
-void PCHDeclWriter::VisitObjCInterfaceDecl(ObjCInterfaceDecl *D) {
- VisitObjCContainerDecl(D);
- Writer.AddTypeRef(QualType(D->getTypeForDecl(), 0), Record);
- Writer.AddDeclRef(D->getSuperClass(), Record);
- Record.push_back(D->protocol_size());
- for (ObjCInterfaceDecl::protocol_iterator P = D->protocol_begin(),
- PEnd = D->protocol_end();
- P != PEnd; ++P)
- Writer.AddDeclRef(*P, Record);
- for (ObjCInterfaceDecl::protocol_loc_iterator PL = D->protocol_loc_begin(),
- PLEnd = D->protocol_loc_end();
- PL != PLEnd; ++PL)
- Writer.AddSourceLocation(*PL, Record);
- Record.push_back(D->ivar_size());
- for (ObjCInterfaceDecl::ivar_iterator I = D->ivar_begin(),
- IEnd = D->ivar_end(); I != IEnd; ++I)
- Writer.AddDeclRef(*I, Record);
- Writer.AddDeclRef(D->getCategoryList(), Record);
- Record.push_back(D->isForwardDecl());
- Record.push_back(D->isImplicitInterfaceDecl());
- Writer.AddSourceLocation(D->getClassLoc(), Record);
- Writer.AddSourceLocation(D->getSuperClassLoc(), Record);
- Writer.AddSourceLocation(D->getLocEnd(), Record);
- Code = pch::DECL_OBJC_INTERFACE;
-}
-
-void PCHDeclWriter::VisitObjCIvarDecl(ObjCIvarDecl *D) {
- VisitFieldDecl(D);
- // FIXME: stable encoding for @public/@private/@protected/@package
- Record.push_back(D->getAccessControl());
- Record.push_back(D->getSynthesize());
- Code = pch::DECL_OBJC_IVAR;
-}
-
-void PCHDeclWriter::VisitObjCProtocolDecl(ObjCProtocolDecl *D) {
- VisitObjCContainerDecl(D);
- Record.push_back(D->isForwardDecl());
- Writer.AddSourceLocation(D->getLocEnd(), Record);
- Record.push_back(D->protocol_size());
- for (ObjCProtocolDecl::protocol_iterator
- I = D->protocol_begin(), IEnd = D->protocol_end(); I != IEnd; ++I)
- Writer.AddDeclRef(*I, Record);
- for (ObjCProtocolDecl::protocol_loc_iterator PL = D->protocol_loc_begin(),
- PLEnd = D->protocol_loc_end();
- PL != PLEnd; ++PL)
- Writer.AddSourceLocation(*PL, Record);
- Code = pch::DECL_OBJC_PROTOCOL;
-}
-
-void PCHDeclWriter::VisitObjCAtDefsFieldDecl(ObjCAtDefsFieldDecl *D) {
- VisitFieldDecl(D);
- Code = pch::DECL_OBJC_AT_DEFS_FIELD;
-}
-
-void PCHDeclWriter::VisitObjCClassDecl(ObjCClassDecl *D) {
- VisitDecl(D);
- Record.push_back(D->size());
- for (ObjCClassDecl::iterator I = D->begin(), IEnd = D->end(); I != IEnd; ++I)
- Writer.AddDeclRef(I->getInterface(), Record);
- for (ObjCClassDecl::iterator I = D->begin(), IEnd = D->end(); I != IEnd; ++I)
- Writer.AddSourceLocation(I->getLocation(), Record);
- Code = pch::DECL_OBJC_CLASS;
-}
-
-void PCHDeclWriter::VisitObjCForwardProtocolDecl(ObjCForwardProtocolDecl *D) {
- VisitDecl(D);
- Record.push_back(D->protocol_size());
- for (ObjCForwardProtocolDecl::protocol_iterator
- I = D->protocol_begin(), IEnd = D->protocol_end(); I != IEnd; ++I)
- Writer.AddDeclRef(*I, Record);
- for (ObjCForwardProtocolDecl::protocol_loc_iterator
- PL = D->protocol_loc_begin(), PLEnd = D->protocol_loc_end();
- PL != PLEnd; ++PL)
- Writer.AddSourceLocation(*PL, Record);
- Code = pch::DECL_OBJC_FORWARD_PROTOCOL;
-}
-
-void PCHDeclWriter::VisitObjCCategoryDecl(ObjCCategoryDecl *D) {
- VisitObjCContainerDecl(D);
- Writer.AddDeclRef(D->getClassInterface(), Record);
- Record.push_back(D->protocol_size());
- for (ObjCCategoryDecl::protocol_iterator
- I = D->protocol_begin(), IEnd = D->protocol_end(); I != IEnd; ++I)
- Writer.AddDeclRef(*I, Record);
- for (ObjCCategoryDecl::protocol_loc_iterator
- PL = D->protocol_loc_begin(), PLEnd = D->protocol_loc_end();
- PL != PLEnd; ++PL)
- Writer.AddSourceLocation(*PL, Record);
- Writer.AddDeclRef(D->getNextClassCategory(), Record);
- Writer.AddSourceLocation(D->getAtLoc(), Record);
- Writer.AddSourceLocation(D->getCategoryNameLoc(), Record);
- Code = pch::DECL_OBJC_CATEGORY;
-}
-
-void PCHDeclWriter::VisitObjCCompatibleAliasDecl(ObjCCompatibleAliasDecl *D) {
- VisitNamedDecl(D);
- Writer.AddDeclRef(D->getClassInterface(), Record);
- Code = pch::DECL_OBJC_COMPATIBLE_ALIAS;
-}
-
-void PCHDeclWriter::VisitObjCPropertyDecl(ObjCPropertyDecl *D) {
- VisitNamedDecl(D);
- Writer.AddSourceLocation(D->getAtLoc(), Record);
- Writer.AddTypeSourceInfo(D->getTypeSourceInfo(), Record);
- // FIXME: stable encoding
- Record.push_back((unsigned)D->getPropertyAttributes());
- Record.push_back((unsigned)D->getPropertyAttributesAsWritten());
- // FIXME: stable encoding
- Record.push_back((unsigned)D->getPropertyImplementation());
- Writer.AddDeclarationName(D->getGetterName(), Record);
- Writer.AddDeclarationName(D->getSetterName(), Record);
- Writer.AddDeclRef(D->getGetterMethodDecl(), Record);
- Writer.AddDeclRef(D->getSetterMethodDecl(), Record);
- Writer.AddDeclRef(D->getPropertyIvarDecl(), Record);
- Code = pch::DECL_OBJC_PROPERTY;
-}
-
-void PCHDeclWriter::VisitObjCImplDecl(ObjCImplDecl *D) {
- VisitObjCContainerDecl(D);
- Writer.AddDeclRef(D->getClassInterface(), Record);
- // Abstract class (no need to define a stable pch::DECL code).
-}
-
-void PCHDeclWriter::VisitObjCCategoryImplDecl(ObjCCategoryImplDecl *D) {
- VisitObjCImplDecl(D);
- Writer.AddIdentifierRef(D->getIdentifier(), Record);
- Code = pch::DECL_OBJC_CATEGORY_IMPL;
-}
-
-void PCHDeclWriter::VisitObjCImplementationDecl(ObjCImplementationDecl *D) {
- VisitObjCImplDecl(D);
- Writer.AddDeclRef(D->getSuperClass(), Record);
- Writer.AddCXXBaseOrMemberInitializers(D->IvarInitializers,
- D->NumIvarInitializers, Record);
- Code = pch::DECL_OBJC_IMPLEMENTATION;
-}
-
-void PCHDeclWriter::VisitObjCPropertyImplDecl(ObjCPropertyImplDecl *D) {
- VisitDecl(D);
- Writer.AddSourceLocation(D->getLocStart(), Record);
- Writer.AddDeclRef(D->getPropertyDecl(), Record);
- Writer.AddDeclRef(D->getPropertyIvarDecl(), Record);
- Writer.AddStmt(D->getGetterCXXConstructor());
- Writer.AddStmt(D->getSetterCXXAssignment());
- Code = pch::DECL_OBJC_PROPERTY_IMPL;
-}
-
-void PCHDeclWriter::VisitFieldDecl(FieldDecl *D) {
- VisitDeclaratorDecl(D);
- Record.push_back(D->isMutable());
- Record.push_back(D->getBitWidth()? 1 : 0);
- if (D->getBitWidth())
- Writer.AddStmt(D->getBitWidth());
- if (!D->getDeclName())
- Writer.AddDeclRef(Context.getInstantiatedFromUnnamedFieldDecl(D), Record);
- Code = pch::DECL_FIELD;
-}
-
-void PCHDeclWriter::VisitVarDecl(VarDecl *D) {
- VisitDeclaratorDecl(D);
- Record.push_back(D->getStorageClass()); // FIXME: stable encoding
- Record.push_back(D->getStorageClassAsWritten());
- Record.push_back(D->isThreadSpecified());
- Record.push_back(D->hasCXXDirectInitializer());
- Record.push_back(D->isExceptionVariable());
- Record.push_back(D->isNRVOVariable());
- VisitRedeclarable(D);
- Record.push_back(D->getInit() ? 1 : 0);
- if (D->getInit())
- Writer.AddStmt(D->getInit());
-
- MemberSpecializationInfo *SpecInfo
- = D->isStaticDataMember() ? D->getMemberSpecializationInfo() : 0;
- Record.push_back(SpecInfo != 0);
- if (SpecInfo) {
- Writer.AddDeclRef(SpecInfo->getInstantiatedFrom(), Record);
- Record.push_back(SpecInfo->getTemplateSpecializationKind());
- Writer.AddSourceLocation(SpecInfo->getPointOfInstantiation(), Record);
- }
-
- Code = pch::DECL_VAR;
-}
-
-void PCHDeclWriter::VisitImplicitParamDecl(ImplicitParamDecl *D) {
- VisitVarDecl(D);
- Code = pch::DECL_IMPLICIT_PARAM;
-}
-
-void PCHDeclWriter::VisitParmVarDecl(ParmVarDecl *D) {
- VisitVarDecl(D);
- Record.push_back(D->getObjCDeclQualifier()); // FIXME: stable encoding
- Record.push_back(D->hasInheritedDefaultArg());
- Record.push_back(D->hasUninstantiatedDefaultArg());
- if (D->hasUninstantiatedDefaultArg())
- Writer.AddStmt(D->getUninstantiatedDefaultArg());
- Code = pch::DECL_PARM_VAR;
-
- // If the assumptions about the DECL_PARM_VAR abbrev are true, use it. Here
- // we dynamically check for the properties that we optimize for, but don't
- // know are true of all PARM_VAR_DECLs.
- if (!D->getTypeSourceInfo() &&
- !D->hasAttrs() &&
- !D->isImplicit() &&
- !D->isUsed(false) &&
- D->getAccess() == AS_none &&
- D->getPCHLevel() == 0 &&
- D->getStorageClass() == 0 &&
- !D->hasCXXDirectInitializer() && // Can params have this ever?
- D->getObjCDeclQualifier() == 0 &&
- !D->hasInheritedDefaultArg() &&
- D->getInit() == 0 &&
- !D->hasUninstantiatedDefaultArg()) // No default expr.
- AbbrevToUse = Writer.getParmVarDeclAbbrev();
-
- // Check things we know are true of *every* PARM_VAR_DECL, which is more than
- // just us assuming it.
- assert(!D->isInvalidDecl() && "Shouldn't emit invalid decls");
- assert(!D->isThreadSpecified() && "PARM_VAR_DECL can't be __thread");
- assert(D->getAccess() == AS_none && "PARM_VAR_DECL can't be public/private");
- assert(!D->isExceptionVariable() && "PARM_VAR_DECL can't be exception var");
- assert(D->getPreviousDeclaration() == 0 && "PARM_VAR_DECL can't be redecl");
- assert(!D->isStaticDataMember() &&
- "PARM_VAR_DECL can't be static data member");
-}
-
-void PCHDeclWriter::VisitFileScopeAsmDecl(FileScopeAsmDecl *D) {
- VisitDecl(D);
- Writer.AddStmt(D->getAsmString());
- Code = pch::DECL_FILE_SCOPE_ASM;
-}
-
-void PCHDeclWriter::VisitBlockDecl(BlockDecl *D) {
- VisitDecl(D);
- Writer.AddStmt(D->getBody());
- Writer.AddTypeSourceInfo(D->getSignatureAsWritten(), Record);
- Record.push_back(D->param_size());
- for (FunctionDecl::param_iterator P = D->param_begin(), PEnd = D->param_end();
- P != PEnd; ++P)
- Writer.AddDeclRef(*P, Record);
- Code = pch::DECL_BLOCK;
-}
-
-void PCHDeclWriter::VisitLinkageSpecDecl(LinkageSpecDecl *D) {
- VisitDecl(D);
- // FIXME: It might be nice to serialize the brace locations for this
- // declaration, which don't seem to be readily available in the AST.
- Record.push_back(D->getLanguage());
- Record.push_back(D->hasBraces());
- Code = pch::DECL_LINKAGE_SPEC;
-}
-
-void PCHDeclWriter::VisitNamespaceDecl(NamespaceDecl *D) {
- VisitNamedDecl(D);
- Writer.AddSourceLocation(D->getLBracLoc(), Record);
- Writer.AddSourceLocation(D->getRBracLoc(), Record);
- Writer.AddDeclRef(D->getNextNamespace(), Record);
-
- // Only write one reference--original or anonymous
- Record.push_back(D->isOriginalNamespace());
- if (D->isOriginalNamespace())
- Writer.AddDeclRef(D->getAnonymousNamespace(), Record);
- else
- Writer.AddDeclRef(D->getOriginalNamespace(), Record);
- Code = pch::DECL_NAMESPACE;
-
- if (Writer.hasChain() && !D->isOriginalNamespace() &&
- D->getOriginalNamespace()->getPCHLevel() > 0) {
- Writer.AddUpdatedNamespace(D->getOriginalNamespace());
- }
-}
-
-void PCHDeclWriter::VisitNamespaceAliasDecl(NamespaceAliasDecl *D) {
- VisitNamedDecl(D);
- Writer.AddSourceLocation(D->getAliasLoc(), Record);
- Writer.AddSourceRange(D->getQualifierRange(), Record);
- Writer.AddNestedNameSpecifier(D->getQualifier(), Record);
- Writer.AddSourceLocation(D->getTargetNameLoc(), Record);
- Writer.AddDeclRef(D->getNamespace(), Record);
- Code = pch::DECL_NAMESPACE_ALIAS;
-}
-
-void PCHDeclWriter::VisitUsingDecl(UsingDecl *D) {
- VisitNamedDecl(D);
- Writer.AddSourceRange(D->getNestedNameRange(), Record);
- Writer.AddSourceLocation(D->getUsingLocation(), Record);
- Writer.AddNestedNameSpecifier(D->getTargetNestedNameDecl(), Record);
- Record.push_back(D->getNumShadowDecls());
- for (UsingDecl::shadow_iterator P = D->shadow_begin(),
- PEnd = D->shadow_end(); P != PEnd; ++P)
- Writer.AddDeclRef(*P, Record);
- Record.push_back(D->isTypeName());
- Writer.AddDeclRef(Context.getInstantiatedFromUsingDecl(D), Record);
- Code = pch::DECL_USING;
-}
-
-void PCHDeclWriter::VisitUsingShadowDecl(UsingShadowDecl *D) {
- VisitNamedDecl(D);
- Writer.AddDeclRef(D->getTargetDecl(), Record);
- Writer.AddDeclRef(D->getUsingDecl(), Record);
- Writer.AddDeclRef(Context.getInstantiatedFromUsingShadowDecl(D), Record);
- Code = pch::DECL_USING_SHADOW;
-}
-
-void PCHDeclWriter::VisitUsingDirectiveDecl(UsingDirectiveDecl *D) {
- VisitNamedDecl(D);
- Writer.AddSourceLocation(D->getNamespaceKeyLocation(), Record);
- Writer.AddSourceRange(D->getQualifierRange(), Record);
- Writer.AddNestedNameSpecifier(D->getQualifier(), Record);
- Writer.AddSourceLocation(D->getIdentLocation(), Record);
- Writer.AddDeclRef(D->getNominatedNamespace(), Record);
- Writer.AddDeclRef(dyn_cast<Decl>(D->getCommonAncestor()), Record);
- Code = pch::DECL_USING_DIRECTIVE;
-}
-
-void PCHDeclWriter::VisitUnresolvedUsingValueDecl(UnresolvedUsingValueDecl *D) {
- VisitValueDecl(D);
- Writer.AddSourceRange(D->getTargetNestedNameRange(), Record);
- Writer.AddSourceLocation(D->getUsingLoc(), Record);
- Writer.AddNestedNameSpecifier(D->getTargetNestedNameSpecifier(), Record);
- Code = pch::DECL_UNRESOLVED_USING_VALUE;
-}
-
-void PCHDeclWriter::VisitUnresolvedUsingTypenameDecl(
- UnresolvedUsingTypenameDecl *D) {
- VisitTypeDecl(D);
- Writer.AddSourceRange(D->getTargetNestedNameRange(), Record);
- Writer.AddSourceLocation(D->getUsingLoc(), Record);
- Writer.AddSourceLocation(D->getTypenameLoc(), Record);
- Writer.AddNestedNameSpecifier(D->getTargetNestedNameSpecifier(), Record);
- Code = pch::DECL_UNRESOLVED_USING_TYPENAME;
-}
-
-void PCHDeclWriter::VisitCXXRecordDecl(CXXRecordDecl *D) {
- // See comments at PCHDeclReader::VisitCXXRecordDecl about why this happens
- // before VisitRecordDecl.
- enum { Data_NoDefData, Data_Owner, Data_NotOwner };
- bool OwnsDefinitionData = false;
- if (D->DefinitionData) {
- assert(D->DefinitionData->Definition &&
- "DefinitionData don't point to a definition decl!");
- OwnsDefinitionData = D->DefinitionData->Definition == D;
- if (OwnsDefinitionData) {
- Record.push_back(Data_Owner);
- } else {
- Record.push_back(Data_NotOwner);
- Writer.AddDeclRef(D->DefinitionData->Definition, Record);
- }
- } else
- Record.push_back(Data_NoDefData);
-
- VisitRecordDecl(D);
-
- if (OwnsDefinitionData) {
- assert(D->DefinitionData);
- struct CXXRecordDecl::DefinitionData &Data = *D->DefinitionData;
-
- Record.push_back(Data.UserDeclaredConstructor);
- Record.push_back(Data.UserDeclaredCopyConstructor);
- Record.push_back(Data.UserDeclaredCopyAssignment);
- Record.push_back(Data.UserDeclaredDestructor);
- Record.push_back(Data.Aggregate);
- Record.push_back(Data.PlainOldData);
- Record.push_back(Data.Empty);
- Record.push_back(Data.Polymorphic);
- Record.push_back(Data.Abstract);
- Record.push_back(Data.HasTrivialConstructor);
- Record.push_back(Data.HasTrivialCopyConstructor);
- Record.push_back(Data.HasTrivialCopyAssignment);
- Record.push_back(Data.HasTrivialDestructor);
- Record.push_back(Data.ComputedVisibleConversions);
- Record.push_back(Data.DeclaredDefaultConstructor);
- Record.push_back(Data.DeclaredCopyConstructor);
- Record.push_back(Data.DeclaredCopyAssignment);
- Record.push_back(Data.DeclaredDestructor);
-
- Record.push_back(D->getNumBases());
- for (CXXRecordDecl::base_class_iterator I = D->bases_begin(),
- E = D->bases_end(); I != E; ++I)
- Writer.AddCXXBaseSpecifier(*I, Record);
-
- // FIXME: Make VBases lazily computed when needed to avoid storing them.
- Record.push_back(D->getNumVBases());
- for (CXXRecordDecl::base_class_iterator I = D->vbases_begin(),
- E = D->vbases_end(); I != E; ++I)
- Writer.AddCXXBaseSpecifier(*I, Record);
-
- Writer.AddUnresolvedSet(Data.Conversions, Record);
- Writer.AddUnresolvedSet(Data.VisibleConversions, Record);
- // Data.Definition is written at the top.
- Writer.AddDeclRef(Data.FirstFriend, Record);
- }
-
- enum {
- CXXRecNotTemplate = 0, CXXRecTemplate, CXXRecMemberSpecialization
- };
- if (ClassTemplateDecl *TemplD = D->getDescribedClassTemplate()) {
- Record.push_back(CXXRecTemplate);
- Writer.AddDeclRef(TemplD, Record);
- } else if (MemberSpecializationInfo *MSInfo
- = D->getMemberSpecializationInfo()) {
- Record.push_back(CXXRecMemberSpecialization);
- Writer.AddDeclRef(MSInfo->getInstantiatedFrom(), Record);
- Record.push_back(MSInfo->getTemplateSpecializationKind());
- Writer.AddSourceLocation(MSInfo->getPointOfInstantiation(), Record);
- } else {
- Record.push_back(CXXRecNotTemplate);
- }
-
- Code = pch::DECL_CXX_RECORD;
-}
-
-void PCHDeclWriter::VisitCXXMethodDecl(CXXMethodDecl *D) {
- VisitFunctionDecl(D);
- Record.push_back(D->size_overridden_methods());
- for (CXXMethodDecl::method_iterator
- I = D->begin_overridden_methods(), E = D->end_overridden_methods();
- I != E; ++I)
- Writer.AddDeclRef(*I, Record);
- Code = pch::DECL_CXX_METHOD;
-}
-
-void PCHDeclWriter::VisitCXXConstructorDecl(CXXConstructorDecl *D) {
- VisitCXXMethodDecl(D);
-
- Record.push_back(D->IsExplicitSpecified);
- Record.push_back(D->ImplicitlyDefined);
- Writer.AddCXXBaseOrMemberInitializers(D->BaseOrMemberInitializers,
- D->NumBaseOrMemberInitializers, Record);
-
- Code = pch::DECL_CXX_CONSTRUCTOR;
-}
-
-void PCHDeclWriter::VisitCXXDestructorDecl(CXXDestructorDecl *D) {
- VisitCXXMethodDecl(D);
-
- Record.push_back(D->ImplicitlyDefined);
- Writer.AddDeclRef(D->OperatorDelete, Record);
-
- Code = pch::DECL_CXX_DESTRUCTOR;
-}
-
-void PCHDeclWriter::VisitCXXConversionDecl(CXXConversionDecl *D) {
- VisitCXXMethodDecl(D);
- Record.push_back(D->IsExplicitSpecified);
- Code = pch::DECL_CXX_CONVERSION;
-}
-
-void PCHDeclWriter::VisitAccessSpecDecl(AccessSpecDecl *D) {
- VisitDecl(D);
- Writer.AddSourceLocation(D->getColonLoc(), Record);
- Code = pch::DECL_ACCESS_SPEC;
-}
-
-void PCHDeclWriter::VisitFriendDecl(FriendDecl *D) {
- VisitDecl(D);
- Record.push_back(D->Friend.is<TypeSourceInfo*>());
- if (D->Friend.is<TypeSourceInfo*>())
- Writer.AddTypeSourceInfo(D->Friend.get<TypeSourceInfo*>(), Record);
- else
- Writer.AddDeclRef(D->Friend.get<NamedDecl*>(), Record);
- Writer.AddDeclRef(D->NextFriend, Record);
- Writer.AddSourceLocation(D->FriendLoc, Record);
- Code = pch::DECL_FRIEND;
-}
-
-void PCHDeclWriter::VisitFriendTemplateDecl(FriendTemplateDecl *D) {
- VisitDecl(D);
- Record.push_back(D->getNumTemplateParameters());
- for (unsigned i = 0, e = D->getNumTemplateParameters(); i != e; ++i)
- Writer.AddTemplateParameterList(D->getTemplateParameterList(i), Record);
- Record.push_back(D->getFriendDecl() != 0);
- if (D->getFriendDecl())
- Writer.AddDeclRef(D->getFriendDecl(), Record);
- else
- Writer.AddTypeSourceInfo(D->getFriendType(), Record);
- Writer.AddSourceLocation(D->getFriendLoc(), Record);
- Code = pch::DECL_FRIEND_TEMPLATE;
-}
-
-void PCHDeclWriter::VisitTemplateDecl(TemplateDecl *D) {
- VisitNamedDecl(D);
-
- Writer.AddDeclRef(D->getTemplatedDecl(), Record);
- Writer.AddTemplateParameterList(D->getTemplateParameters(), Record);
-}
-
-void PCHDeclWriter::VisitRedeclarableTemplateDecl(RedeclarableTemplateDecl *D) {
- VisitTemplateDecl(D);
-
- Record.push_back(D->getIdentifierNamespace());
- Writer.AddDeclRef(D->getPreviousDeclaration(), Record);
- if (D->getPreviousDeclaration() == 0) {
- // This TemplateDecl owns the CommonPtr; write it.
- assert(D->isCanonicalDecl());
-
- Writer.AddDeclRef(D->getInstantiatedFromMemberTemplate(), Record);
- if (D->getInstantiatedFromMemberTemplate())
- Record.push_back(D->isMemberSpecialization());
-
- Writer.AddDeclRef(D->getCommonPtr()->Latest, Record);
- } else {
- RedeclarableTemplateDecl *First = D->getFirstDeclaration();
- assert(First != D);
- // If this is a most recent redeclaration that is pointed to by a first decl
- // in a chained PCH, keep track of the association with the map so we can
- // update the first decl during PCH reading.
- if (First->getMostRecentDeclaration() == D &&
- First->getPCHLevel() > D->getPCHLevel()) {
- assert(Writer.FirstLatestDecls.find(First)==Writer.FirstLatestDecls.end()
- && "The latest is already set");
- Writer.FirstLatestDecls[First] = D;
- }
- }
-}
-
-void PCHDeclWriter::VisitClassTemplateDecl(ClassTemplateDecl *D) {
- VisitRedeclarableTemplateDecl(D);
-
- if (D->getPreviousDeclaration() == 0) {
- typedef llvm::FoldingSet<ClassTemplateSpecializationDecl> CTSDSetTy;
- CTSDSetTy &CTSDSet = D->getSpecializations();
- Record.push_back(CTSDSet.size());
- for (CTSDSetTy::iterator I=CTSDSet.begin(), E = CTSDSet.end(); I!=E; ++I) {
- assert(I->isCanonicalDecl() && "Expected only canonical decls in set");
- Writer.AddDeclRef(&*I, Record);
- }
-
- typedef llvm::FoldingSet<ClassTemplatePartialSpecializationDecl> CTPSDSetTy;
- CTPSDSetTy &CTPSDSet = D->getPartialSpecializations();
- Record.push_back(CTPSDSet.size());
- for (CTPSDSetTy::iterator I=CTPSDSet.begin(), E=CTPSDSet.end(); I!=E; ++I) {
- assert(I->isCanonicalDecl() && "Expected only canonical decls in set");
- Writer.AddDeclRef(&*I, Record);
- }
-
- // InjectedClassNameType is computed, no need to write it.
- }
- Code = pch::DECL_CLASS_TEMPLATE;
-}
-
-void PCHDeclWriter::VisitClassTemplateSpecializationDecl(
- ClassTemplateSpecializationDecl *D) {
- VisitCXXRecordDecl(D);
-
- llvm::PointerUnion<ClassTemplateDecl *,
- ClassTemplatePartialSpecializationDecl *> InstFrom
- = D->getSpecializedTemplateOrPartial();
- if (InstFrom.is<ClassTemplateDecl *>()) {
- Writer.AddDeclRef(InstFrom.get<ClassTemplateDecl *>(), Record);
- } else {
- Writer.AddDeclRef(InstFrom.get<ClassTemplatePartialSpecializationDecl *>(),
- Record);
- Writer.AddTemplateArgumentList(&D->getTemplateInstantiationArgs(), Record);
- }
-
- // Explicit info.
- Writer.AddTypeSourceInfo(D->getTypeAsWritten(), Record);
- if (D->getTypeAsWritten()) {
- Writer.AddSourceLocation(D->getExternLoc(), Record);
- Writer.AddSourceLocation(D->getTemplateKeywordLoc(), Record);
- }
-
- Writer.AddTemplateArgumentList(&D->getTemplateArgs(), Record);
- Writer.AddSourceLocation(D->getPointOfInstantiation(), Record);
- Record.push_back(D->getSpecializationKind());
-
- if (D->isCanonicalDecl()) {
- // When reading, we'll add it to the folding set of the following template.
- Writer.AddDeclRef(D->getSpecializedTemplate()->getCanonicalDecl(), Record);
- }
-
- Code = pch::DECL_CLASS_TEMPLATE_SPECIALIZATION;
-}
-
-void PCHDeclWriter::VisitClassTemplatePartialSpecializationDecl(
- ClassTemplatePartialSpecializationDecl *D) {
- VisitClassTemplateSpecializationDecl(D);
-
- Writer.AddTemplateParameterList(D->getTemplateParameters(), Record);
-
- Record.push_back(D->getNumTemplateArgsAsWritten());
- for (int i = 0, e = D->getNumTemplateArgsAsWritten(); i != e; ++i)
- Writer.AddTemplateArgumentLoc(D->getTemplateArgsAsWritten()[i], Record);
-
- Record.push_back(D->getSequenceNumber());
-
- // These are read/set from/to the first declaration.
- if (D->getPreviousDeclaration() == 0) {
- Writer.AddDeclRef(D->getInstantiatedFromMember(), Record);
- Record.push_back(D->isMemberSpecialization());
- }
-
- Code = pch::DECL_CLASS_TEMPLATE_PARTIAL_SPECIALIZATION;
-}
-
-void PCHDeclWriter::VisitFunctionTemplateDecl(FunctionTemplateDecl *D) {
- VisitRedeclarableTemplateDecl(D);
-
- if (D->getPreviousDeclaration() == 0) {
- // This FunctionTemplateDecl owns the CommonPtr; write it.
-
- // Write the function specialization declarations.
- Record.push_back(D->getSpecializations().size());
- for (llvm::FoldingSet<FunctionTemplateSpecializationInfo>::iterator
- I = D->getSpecializations().begin(),
- E = D->getSpecializations().end() ; I != E; ++I) {
- assert(I->Function->isCanonicalDecl() &&
- "Expected only canonical decls in set");
- Writer.AddDeclRef(I->Function, Record);
- }
- }
- Code = pch::DECL_FUNCTION_TEMPLATE;
-}
-
-void PCHDeclWriter::VisitTemplateTypeParmDecl(TemplateTypeParmDecl *D) {
- VisitTypeDecl(D);
-
- Record.push_back(D->wasDeclaredWithTypename());
- Record.push_back(D->isParameterPack());
- Record.push_back(D->defaultArgumentWasInherited());
- Writer.AddTypeSourceInfo(D->getDefaultArgumentInfo(), Record);
-
- Code = pch::DECL_TEMPLATE_TYPE_PARM;
-}
-
-void PCHDeclWriter::VisitNonTypeTemplateParmDecl(NonTypeTemplateParmDecl *D) {
- VisitVarDecl(D);
- // TemplateParmPosition.
- Record.push_back(D->getDepth());
- Record.push_back(D->getPosition());
- // Rest of NonTypeTemplateParmDecl.
- Record.push_back(D->getDefaultArgument() != 0);
- if (D->getDefaultArgument()) {
- Writer.AddStmt(D->getDefaultArgument());
- Record.push_back(D->defaultArgumentWasInherited());
- }
- Code = pch::DECL_NON_TYPE_TEMPLATE_PARM;
-}
-
-void PCHDeclWriter::VisitTemplateTemplateParmDecl(TemplateTemplateParmDecl *D) {
- VisitTemplateDecl(D);
- // TemplateParmPosition.
- Record.push_back(D->getDepth());
- Record.push_back(D->getPosition());
- // Rest of TemplateTemplateParmDecl.
- Writer.AddTemplateArgumentLoc(D->getDefaultArgument(), Record);
- Record.push_back(D->defaultArgumentWasInherited());
- Code = pch::DECL_TEMPLATE_TEMPLATE_PARM;
-}
-
-void PCHDeclWriter::VisitStaticAssertDecl(StaticAssertDecl *D) {
- VisitDecl(D);
- Writer.AddStmt(D->getAssertExpr());
- Writer.AddStmt(D->getMessage());
- Code = pch::DECL_STATIC_ASSERT;
-}
-
-/// \brief Emit the DeclContext part of a declaration context decl.
-///
-/// \param LexicalOffset the offset at which the DECL_CONTEXT_LEXICAL
-/// block for this declaration context is stored. May be 0 to indicate
-/// that there are no declarations stored within this context.
-///
-/// \param VisibleOffset the offset at which the DECL_CONTEXT_VISIBLE
-/// block for this declaration context is stored. May be 0 to indicate
-/// that there are no declarations visible from this context. Note
-/// that this value will not be emitted for non-primary declaration
-/// contexts.
-void PCHDeclWriter::VisitDeclContext(DeclContext *DC, uint64_t LexicalOffset,
- uint64_t VisibleOffset) {
- Record.push_back(LexicalOffset);
- Record.push_back(VisibleOffset);
-}
-
-template <typename T>
-void PCHDeclWriter::VisitRedeclarable(Redeclarable<T> *D) {
- enum { NoRedeclaration = 0, PointsToPrevious, PointsToLatest };
- if (D->RedeclLink.getNext() == D) {
- Record.push_back(NoRedeclaration);
- } else {
- Record.push_back(D->RedeclLink.NextIsPrevious() ? PointsToPrevious
- : PointsToLatest);
- Writer.AddDeclRef(D->RedeclLink.getPointer(), Record);
- }
-
- T *First = D->getFirstDeclaration();
- T *ThisDecl = static_cast<T*>(D);
- // If this is a most recent redeclaration that is pointed to by a first decl
- // in a chained PCH, keep track of the association with the map so we can
- // update the first decl during PCH reading.
- if (ThisDecl != First && First->getMostRecentDeclaration() == ThisDecl &&
- First->getPCHLevel() > ThisDecl->getPCHLevel()) {
- assert(Writer.FirstLatestDecls.find(First) == Writer.FirstLatestDecls.end()
- && "The latest is already set");
- Writer.FirstLatestDecls[First] = ThisDecl;
- }
-}
-
-//===----------------------------------------------------------------------===//
-// PCHWriter Implementation
-//===----------------------------------------------------------------------===//
-
-void PCHWriter::WriteDeclsBlockAbbrevs() {
- using namespace llvm;
- // Abbreviation for DECL_PARM_VAR.
- BitCodeAbbrev *Abv = new BitCodeAbbrev();
- Abv->Add(BitCodeAbbrevOp(pch::DECL_PARM_VAR));
-
- // Decl
- Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // DeclContext
- Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // LexicalDeclContext
- Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // Location
- Abv->Add(BitCodeAbbrevOp(0)); // isInvalidDecl (!?)
- Abv->Add(BitCodeAbbrevOp(0)); // HasAttrs
- Abv->Add(BitCodeAbbrevOp(0)); // isImplicit
- Abv->Add(BitCodeAbbrevOp(0)); // isUsed
- Abv->Add(BitCodeAbbrevOp(AS_none)); // C++ AccessSpecifier
- Abv->Add(BitCodeAbbrevOp(0)); // PCH level
-
- // NamedDecl
- Abv->Add(BitCodeAbbrevOp(0)); // NameKind = Identifier
- Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // Name
- // ValueDecl
- Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // Type
- // DeclaratorDecl
- Abv->Add(BitCodeAbbrevOp(pch::PREDEF_TYPE_NULL_ID)); // InfoType
- // VarDecl
- Abv->Add(BitCodeAbbrevOp(0)); // StorageClass
- Abv->Add(BitCodeAbbrevOp(0)); // StorageClassAsWritten
- Abv->Add(BitCodeAbbrevOp(0)); // isThreadSpecified
- Abv->Add(BitCodeAbbrevOp(0)); // hasCXXDirectInitializer
- Abv->Add(BitCodeAbbrevOp(0)); // isExceptionVariable
- Abv->Add(BitCodeAbbrevOp(0)); // isNRVOVariable
- Abv->Add(BitCodeAbbrevOp(0)); // PrevDecl
- Abv->Add(BitCodeAbbrevOp(0)); // HasInit
- Abv->Add(BitCodeAbbrevOp(0)); // HasMemberSpecializationInfo
- // ParmVarDecl
- Abv->Add(BitCodeAbbrevOp(0)); // ObjCDeclQualifier
- Abv->Add(BitCodeAbbrevOp(0)); // HasInheritedDefaultArg
- Abv->Add(BitCodeAbbrevOp(0)); // HasUninstantiatedDefaultArg
-
- ParmVarDeclAbbrev = Stream.EmitAbbrev(Abv);
-
- Abv = new BitCodeAbbrev();
- Abv->Add(BitCodeAbbrevOp(pch::DECL_CONTEXT_LEXICAL));
- Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Blob));
- DeclContextLexicalAbbrev = Stream.EmitAbbrev(Abv);
-}
-
-/// isRequiredDecl - Check if this is a "required" Decl, which must be seen by
-/// consumers of the AST.
-///
-/// Such decls will always be deserialized from the PCH file, so we would like
-/// this to be as restrictive as possible. Currently the predicate is driven by
-/// code generation requirements, if other clients have a different notion of
-/// what is "required" then we may have to consider an alternate scheme where
-/// clients can iterate over the top-level decls and get information on them,
-/// without necessary deserializing them. We could explicitly require such
-/// clients to use a separate API call to "realize" the decl. This should be
-/// relatively painless since they would presumably only do it for top-level
-/// decls.
-static bool isRequiredDecl(const Decl *D, ASTContext &Context) {
- // File scoped assembly or obj-c implementation must be seen.
- if (isa<FileScopeAsmDecl>(D) || isa<ObjCImplementationDecl>(D))
- return true;
-
- return Context.DeclMustBeEmitted(D);
-}
-
-void PCHWriter::WriteDecl(ASTContext &Context, Decl *D) {
- RecordData Record;
- PCHDeclWriter W(*this, Context, Record);
-
- // If this declaration is also a DeclContext, write blocks for the
- // declarations that lexically stored inside its context and those
- // declarations that are visible from its context. These blocks
- // are written before the declaration itself so that we can put
- // their offsets into the record for the declaration.
- uint64_t LexicalOffset = 0;
- uint64_t VisibleOffset = 0;
- DeclContext *DC = dyn_cast<DeclContext>(D);
- if (DC) {
- LexicalOffset = WriteDeclContextLexicalBlock(Context, DC);
- VisibleOffset = WriteDeclContextVisibleBlock(Context, DC);
- }
-
- // Determine the ID for this declaration
- pch::DeclID &IDR = DeclIDs[D];
- if (IDR == 0)
- IDR = NextDeclID++;
- pch::DeclID ID = IDR;
-
- if (ID < FirstDeclID) {
- // We're replacing a decl in a previous file.
- ReplacedDecls.push_back(std::make_pair(ID, Stream.GetCurrentBitNo()));
- } else {
- unsigned Index = ID - FirstDeclID;
-
- // Record the offset for this declaration
- if (DeclOffsets.size() == Index)
- DeclOffsets.push_back(Stream.GetCurrentBitNo());
- else if (DeclOffsets.size() < Index) {
- DeclOffsets.resize(Index+1);
- DeclOffsets[Index] = Stream.GetCurrentBitNo();
- }
- }
-
- // Build and emit a record for this declaration
- Record.clear();
- W.Code = (pch::DeclCode)0;
- W.AbbrevToUse = 0;
- W.Visit(D);
- if (DC) W.VisitDeclContext(DC, LexicalOffset, VisibleOffset);
-
- if (!W.Code)
- llvm::report_fatal_error(llvm::StringRef("unexpected declaration kind '") +
- D->getDeclKindName() + "'");
- Stream.EmitRecord(W.Code, Record, W.AbbrevToUse);
-
- // If the declaration had any attributes, write them now.
- if (D->hasAttrs())
- WriteAttributeRecord(D->getAttrs());
-
- // Flush any expressions that were written as part of this declaration.
- FlushStmts();
-
- // Note "external" declarations so that we can add them to a record in the
- // PCH file later.
- //
- // FIXME: This should be renamed, the predicate is much more complicated.
- if (isRequiredDecl(D, Context))
- ExternalDefinitions.push_back(ID);
-}
diff --git a/clang/lib/Frontend/PCHWriterStmt.cpp b/clang/lib/Frontend/PCHWriterStmt.cpp
deleted file mode 100644
index 0c149f2c20f..00000000000
--- a/clang/lib/Frontend/PCHWriterStmt.cpp
+++ /dev/null
@@ -1,1370 +0,0 @@
-//===--- PCHWriterStmt.cpp - Statement and Expression Serialization -------===//
-//
-// The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-//
-// This file implements serialization for Statements and Expressions.
-//
-//===----------------------------------------------------------------------===//
-
-#include "clang/Frontend/PCHWriter.h"
-#include "clang/AST/DeclCXX.h"
-#include "clang/AST/DeclObjC.h"
-#include "clang/AST/StmtVisitor.h"
-#include "llvm/Bitcode/BitstreamWriter.h"
-using namespace clang;
-
-//===----------------------------------------------------------------------===//
-// Statement/expression serialization
-//===----------------------------------------------------------------------===//
-
-namespace clang {
- class PCHStmtWriter : public StmtVisitor<PCHStmtWriter, void> {
- PCHWriter &Writer;
- PCHWriter::RecordData &Record;
-
- public:
- pch::StmtCode Code;
-
- PCHStmtWriter(PCHWriter &Writer, PCHWriter::RecordData &Record)
- : Writer(Writer), Record(Record) { }
-
- void
- AddExplicitTemplateArgumentList(const ExplicitTemplateArgumentList &Args);
-
- void VisitStmt(Stmt *S);
- void VisitNullStmt(NullStmt *S);
- void VisitCompoundStmt(CompoundStmt *S);
- void VisitSwitchCase(SwitchCase *S);
- void VisitCaseStmt(CaseStmt *S);
- void VisitDefaultStmt(DefaultStmt *S);
- void VisitLabelStmt(LabelStmt *S);
- void VisitIfStmt(IfStmt *S);
- void VisitSwitchStmt(SwitchStmt *S);
- void VisitWhileStmt(WhileStmt *S);
- void VisitDoStmt(DoStmt *S);
- void VisitForStmt(ForStmt *S);
- void VisitGotoStmt(GotoStmt *S);
- void VisitIndirectGotoStmt(IndirectGotoStmt *S);
- void VisitContinueStmt(ContinueStmt *S);
- void VisitBreakStmt(BreakStmt *S);
- void VisitReturnStmt(ReturnStmt *S);
- void VisitDeclStmt(DeclStmt *S);
- void VisitAsmStmt(AsmStmt *S);
- void VisitExpr(Expr *E);
- void VisitPredefinedExpr(PredefinedExpr *E);
- void VisitDeclRefExpr(DeclRefExpr *E);
- void VisitIntegerLiteral(IntegerLiteral *E);
- void VisitFloatingLiteral(FloatingLiteral *E);
- void VisitImaginaryLiteral(ImaginaryLiteral *E);
- void VisitStringLiteral(StringLiteral *E);
- void VisitCharacterLiteral(CharacterLiteral *E);
- void VisitParenExpr(ParenExpr *E);
- void VisitParenListExpr(ParenListExpr *E);
- void VisitUnaryOperator(UnaryOperator *E);
- void VisitOffsetOfExpr(OffsetOfExpr *E);
- void VisitSizeOfAlignOfExpr(SizeOfAlignOfExpr *E);
- void VisitArraySubscriptExpr(ArraySubscriptExpr *E);
- void VisitCallExpr(CallExpr *E);
- void VisitMemberExpr(MemberExpr *E);
- void VisitCastExpr(CastExpr *E);
- void VisitBinaryOperator(BinaryOperator *E);
- void VisitCompoundAssignOperator(CompoundAssignOperator *E);
- void VisitConditionalOperator(ConditionalOperator *E);
- void VisitImplicitCastExpr(ImplicitCastExpr *E);
- void VisitExplicitCastExpr(ExplicitCastExpr *E);
- void VisitCStyleCastExpr(CStyleCastExpr *E);
- void VisitCompoundLiteralExpr(CompoundLiteralExpr *E);
- void VisitExtVectorElementExpr(ExtVectorElementExpr *E);
- void VisitInitListExpr(InitListExpr *E);
- void VisitDesignatedInitExpr(DesignatedInitExpr *E);
- void VisitImplicitValueInitExpr(ImplicitValueInitExpr *E);
- void VisitVAArgExpr(VAArgExpr *E);
- void VisitAddrLabelExpr(AddrLabelExpr *E);
- void VisitStmtExpr(StmtExpr *E);
- void VisitTypesCompatibleExpr(TypesCompatibleExpr *E);
- void VisitChooseExpr(ChooseExpr *E);
- void VisitGNUNullExpr(GNUNullExpr *E);
- void VisitShuffleVectorExpr(ShuffleVectorExpr *E);
- void VisitBlockExpr(BlockExpr *E);
- void VisitBlockDeclRefExpr(BlockDeclRefExpr *E);
-
- // Objective-C Expressions
- void VisitObjCStringLiteral(ObjCStringLiteral *E);
- void VisitObjCEncodeExpr(ObjCEncodeExpr *E);
- void VisitObjCSelectorExpr(ObjCSelectorExpr *E);
- void VisitObjCProtocolExpr(ObjCProtocolExpr *E);
- void VisitObjCIvarRefExpr(ObjCIvarRefExpr *E);
- void VisitObjCPropertyRefExpr(ObjCPropertyRefExpr *E);
- void VisitObjCImplicitSetterGetterRefExpr(
- ObjCImplicitSetterGetterRefExpr *E);
- void VisitObjCMessageExpr(ObjCMessageExpr *E);
- void VisitObjCSuperExpr(ObjCSuperExpr *E);
- void VisitObjCIsaExpr(ObjCIsaExpr *E);
-
- // Objective-C Statements
- void VisitObjCForCollectionStmt(ObjCForCollectionStmt *);
- void VisitObjCAtCatchStmt(ObjCAtCatchStmt *);
- void VisitObjCAtFinallyStmt(ObjCAtFinallyStmt *);
- void VisitObjCAtTryStmt(ObjCAtTryStmt *);
- void VisitObjCAtSynchronizedStmt(ObjCAtSynchronizedStmt *);
- void VisitObjCAtThrowStmt(ObjCAtThrowStmt *);
-
- // C++ Statements
- void VisitCXXCatchStmt(CXXCatchStmt *S);
- void VisitCXXTryStmt(CXXTryStmt *S);
-
- void VisitCXXOperatorCallExpr(CXXOperatorCallExpr *E);
- void VisitCXXMemberCallExpr(CXXMemberCallExpr *E);
- void VisitCXXConstructExpr(CXXConstructExpr *E);
- void VisitCXXTemporaryObjectExpr(CXXTemporaryObjectExpr *E);
- void VisitCXXNamedCastExpr(CXXNamedCastExpr *E);
- void VisitCXXStaticCastExpr(CXXStaticCastExpr *E);
- void VisitCXXDynamicCastExpr(CXXDynamicCastExpr *E);
- void VisitCXXReinterpretCastExpr(CXXReinterpretCastExpr *E);
- void VisitCXXConstCastExpr(CXXConstCastExpr *E);
- void VisitCXXFunctionalCastExpr(CXXFunctionalCastExpr *E);
- void VisitCXXBoolLiteralExpr(CXXBoolLiteralExpr *E);
- void VisitCXXNullPtrLiteralExpr(CXXNullPtrLiteralExpr *E);
- void VisitCXXTypeidExpr(CXXTypeidExpr *E);
- void VisitCXXThisExpr(CXXThisExpr *E);
- void VisitCXXThrowExpr(CXXThrowExpr *E);
- void VisitCXXDefaultArgExpr(CXXDefaultArgExpr *E);
- void VisitCXXBindTemporaryExpr(CXXBindTemporaryExpr *E);
- void VisitCXXBindReferenceExpr(CXXBindReferenceExpr *E);
-
- void VisitCXXScalarValueInitExpr(CXXScalarValueInitExpr *E);
- void VisitCXXNewExpr(CXXNewExpr *E);
- void VisitCXXDeleteExpr(CXXDeleteExpr *E);
- void VisitCXXPseudoDestructorExpr(CXXPseudoDestructorExpr *E);
-
- void VisitCXXExprWithTemporaries(CXXExprWithTemporaries *E);
- void VisitCXXDependentScopeMemberExpr(CXXDependentScopeMemberExpr *E);
- void VisitDependentScopeDeclRefExpr(DependentScopeDeclRefExpr *E);
- void VisitCXXUnresolvedConstructExpr(CXXUnresolvedConstructExpr *E);
-
- void VisitOverloadExpr(OverloadExpr *E);
- void VisitUnresolvedMemberExpr(UnresolvedMemberExpr *E);
- void VisitUnresolvedLookupExpr(UnresolvedLookupExpr *E);
-
- void VisitUnaryTypeTraitExpr(UnaryTypeTraitExpr *E);
- };
-}
-
-void PCHStmtWriter::
-AddExplicitTemplateArgumentList(const ExplicitTemplateArgumentList &Args) {
- Writer.AddSourceLocation(Args.LAngleLoc, Record);
- Writer.AddSourceLocation(Args.RAngleLoc, Record);
- for (unsigned i=0; i != Args.NumTemplateArgs; ++i)
- Writer.AddTemplateArgumentLoc(Args.getTemplateArgs()[i], Record);
-}
-
-void PCHStmtWriter::VisitStmt(Stmt *S) {
-}
-
-void PCHStmtWriter::VisitNullStmt(NullStmt *S) {
- VisitStmt(S);
- Writer.AddSourceLocation(S->getSemiLoc(), Record);
- Code = pch::STMT_NULL;
-}
-
-void PCHStmtWriter::VisitCompoundStmt(CompoundStmt *S) {
- VisitStmt(S);
- Record.push_back(S->size());
- for (CompoundStmt::body_iterator CS = S->body_begin(), CSEnd = S->body_end();
- CS != CSEnd; ++CS)
- Writer.AddStmt(*CS);
- Writer.AddSourceLocation(S->getLBracLoc(), Record);
- Writer.AddSourceLocation(S->getRBracLoc(), Record);
- Code = pch::STMT_COMPOUND;
-}
-
-void PCHStmtWriter::VisitSwitchCase(SwitchCase *S) {
- VisitStmt(S);
- Record.push_back(Writer.getSwitchCaseID(S));
-}
-
-void PCHStmtWriter::VisitCaseStmt(CaseStmt *S) {
- VisitSwitchCase(S);
- Writer.AddStmt(S->getLHS());
- Writer.AddStmt(S->getRHS());
- Writer.AddStmt(S->getSubStmt());
- Writer.AddSourceLocation(S->getCaseLoc(), Record);
- Writer.AddSourceLocation(S->getEllipsisLoc(), Record);
- Writer.AddSourceLocation(S->getColonLoc(), Record);
- Code = pch::STMT_CASE;
-}
-
-void PCHStmtWriter::VisitDefaultStmt(DefaultStmt *S) {
- VisitSwitchCase(S);
- Writer.AddStmt(S->getSubStmt());
- Writer.AddSourceLocation(S->getDefaultLoc(), Record);
- Writer.AddSourceLocation(S->getColonLoc(), Record);
- Code = pch::STMT_DEFAULT;
-}
-
-void PCHStmtWriter::VisitLabelStmt(LabelStmt *S) {
- VisitStmt(S);
- Writer.AddIdentifierRef(S->getID(), Record);
- Writer.AddStmt(S->getSubStmt());
- Writer.AddSourceLocation(S->getIdentLoc(), Record);
- Record.push_back(Writer.GetLabelID(S));
- Code = pch::STMT_LABEL;
-}
-
-void PCHStmtWriter::VisitIfStmt(IfStmt *S) {
- VisitStmt(S);
- Writer.AddDeclRef(S->getConditionVariable(), Record);
- Writer.AddStmt(S->getCond());
- Writer.AddStmt(S->getThen());
- Writer.AddStmt(S->getElse());
- Writer.AddSourceLocation(S->getIfLoc(), Record);
- Writer.AddSourceLocation(S->getElseLoc(), Record);
- Code = pch::STMT_IF;
-}
-
-void PCHStmtWriter::VisitSwitchStmt(SwitchStmt *S) {
- VisitStmt(S);
- Writer.AddDeclRef(S->getConditionVariable(), Record);
- Writer.AddStmt(S->getCond());
- Writer.AddStmt(S->getBody());
- Writer.AddSourceLocation(S->getSwitchLoc(), Record);
- for (SwitchCase *SC = S->getSwitchCaseList(); SC;
- SC = SC->getNextSwitchCase())
- Record.push_back(Writer.RecordSwitchCaseID(SC));
- Code = pch::STMT_SWITCH;
-}
-
-void PCHStmtWriter::VisitWhileStmt(WhileStmt *S) {
- VisitStmt(S);
- Writer.AddDeclRef(S->getConditionVariable(), Record);
- Writer.AddStmt(S->getCond());
- Writer.AddStmt(S->getBody());
- Writer.AddSourceLocation(S->getWhileLoc(), Record);
- Code = pch::STMT_WHILE;
-}
-
-void PCHStmtWriter::VisitDoStmt(DoStmt *S) {
- VisitStmt(S);
- Writer.AddStmt(S->getCond());
- Writer.AddStmt(S->getBody());
- Writer.AddSourceLocation(S->getDoLoc(), Record);
- Writer.AddSourceLocation(S->getWhileLoc(), Record);
- Writer.AddSourceLocation(S->getRParenLoc(), Record);
- Code = pch::STMT_DO;
-}
-
-void PCHStmtWriter::VisitForStmt(ForStmt *S) {
- VisitStmt(S);
- Writer.AddStmt(S->getInit());
- Writer.AddStmt(S->getCond());
- Writer.AddDeclRef(S->getConditionVariable(), Record);
- Writer.AddStmt(S->getInc());
- Writer.AddStmt(S->getBody());
- Writer.AddSourceLocation(S->getForLoc(), Record);
- Writer.AddSourceLocation(S->getLParenLoc(), Record);
- Writer.AddSourceLocation(S->getRParenLoc(), Record);
- Code = pch::STMT_FOR;
-}
-
-void PCHStmtWriter::VisitGotoStmt(GotoStmt *S) {
- VisitStmt(S);
- Record.push_back(Writer.GetLabelID(S->getLabel()));
- Writer.AddSourceLocation(S->getGotoLoc(), Record);
- Writer.AddSourceLocation(S->getLabelLoc(), Record);
- Code = pch::STMT_GOTO;
-}
-
-void PCHStmtWriter::VisitIndirectGotoStmt(IndirectGotoStmt *S) {
- VisitStmt(S);
- Writer.AddSourceLocation(S->getGotoLoc(), Record);
- Writer.AddSourceLocation(S->getStarLoc(), Record);
- Writer.AddStmt(S->getTarget());
- Code = pch::STMT_INDIRECT_GOTO;
-}
-
-void PCHStmtWriter::VisitContinueStmt(ContinueStmt *S) {
- VisitStmt(S);
- Writer.AddSourceLocation(S->getContinueLoc(), Record);
- Code = pch::STMT_CONTINUE;
-}
-
-void PCHStmtWriter::VisitBreakStmt(BreakStmt *S) {
- VisitStmt(S);
- Writer.AddSourceLocation(S->getBreakLoc(), Record);
- Code = pch::STMT_BREAK;
-}
-
-void PCHStmtWriter::VisitReturnStmt(ReturnStmt *S) {
- VisitStmt(S);
- Writer.AddStmt(S->getRetValue());
- Writer.AddSourceLocation(S->getReturnLoc(), Record);
- Writer.AddDeclRef(S->getNRVOCandidate(), Record);
- Code = pch::STMT_RETURN;
-}
-
-void PCHStmtWriter::VisitDeclStmt(DeclStmt *S) {
- VisitStmt(S);
- Writer.AddSourceLocation(S->getStartLoc(), Record);
- Writer.AddSourceLocation(S->getEndLoc(), Record);
- DeclGroupRef DG = S->getDeclGroup();
- for (DeclGroupRef::iterator D = DG.begin(), DEnd = DG.end(); D != DEnd; ++D)
- Writer.AddDeclRef(*D, Record);
- Code = pch::STMT_DECL;
-}
-
-void PCHStmtWriter::VisitAsmStmt(AsmStmt *S) {
- VisitStmt(S);
- Record.push_back(S->getNumOutputs());
- Record.push_back(S->getNumInputs());
- Record.push_back(S->getNumClobbers());
- Writer.AddSourceLocation(S->getAsmLoc(), Record);
- Writer.AddSourceLocation(S->getRParenLoc(), Record);
- Record.push_back(S->isVolatile());
- Record.push_back(S->isSimple());
- Record.push_back(S->isMSAsm());
- Writer.AddStmt(S->getAsmString());
-
- // Outputs
- for (unsigned I = 0, N = S->getNumOutputs(); I != N; ++I) {
- Writer.AddIdentifierRef(S->getOutputIdentifier(I), Record);
- Writer.AddStmt(S->getOutputConstraintLiteral(I));
- Writer.AddStmt(S->getOutputExpr(I));
- }
-
- // Inputs
- for (unsigned I = 0, N = S->getNumInputs(); I != N; ++I) {
- Writer.AddIdentifierRef(S->getInputIdentifier(I), Record);
- Writer.AddStmt(S->getInputConstraintLiteral(I));
- Writer.AddStmt(S->getInputExpr(I));
- }
-
- // Clobbers
- for (unsigned I = 0, N = S->getNumClobbers(); I != N; ++I)
- Writer.AddStmt(S->getClobber(I));
-
- Code = pch::STMT_ASM;
-}
-
-void PCHStmtWriter::VisitExpr(Expr *E) {
- VisitStmt(E);
- Writer.AddTypeRef(E->getType(), Record);
- Record.push_back(E->isTypeDependent());
- Record.push_back(E->isValueDependent());
-}
-
-void PCHStmtWriter::VisitPredefinedExpr(PredefinedExpr *E) {
- VisitExpr(E);
- Writer.AddSourceLocation(E->getLocation(), Record);
- Record.push_back(E->getIdentType()); // FIXME: stable encoding
- Code = pch::EXPR_PREDEFINED;
-}
-
-void PCHStmtWriter::VisitDeclRefExpr(DeclRefExpr *E) {
- VisitExpr(E);
-
- Record.push_back(E->hasQualifier());
- unsigned NumTemplateArgs = E->getNumTemplateArgs();
- assert((NumTemplateArgs != 0) == E->hasExplicitTemplateArgumentList() &&
- "Template args list with no args ?");
- Record.push_back(NumTemplateArgs);
-
- if (E->hasQualifier()) {
- Writer.AddNestedNameSpecifier(E->getQualifier(), Record);
- Writer.AddSourceRange(E->getQualifierRange(), Record);
- }
-
- if (NumTemplateArgs)
- AddExplicitTemplateArgumentList(*E->getExplicitTemplateArgumentList());
-
- Writer.AddDeclRef(E->getDecl(), Record);
- // FIXME: write DeclarationNameLoc.
- Writer.AddSourceLocation(E->getLocation(), Record);
- Code = pch::EXPR_DECL_REF;
-}
-
-void PCHStmtWriter::VisitIntegerLiteral(IntegerLiteral *E) {
- VisitExpr(E);
- Writer.AddSourceLocation(E->getLocation(), Record);
- Writer.AddAPInt(E->getValue(), Record);
- Code = pch::EXPR_INTEGER_LITERAL;
-}
-
-void PCHStmtWriter::VisitFloatingLiteral(FloatingLiteral *E) {
- VisitExpr(E);
- Writer.AddAPFloat(E->getValue(), Record);
- Record.push_back(E->isExact());
- Writer.AddSourceLocation(E->getLocation(), Record);
- Code = pch::EXPR_FLOATING_LITERAL;
-}
-
-void PCHStmtWriter::VisitImaginaryLiteral(ImaginaryLiteral *E) {
- VisitExpr(E);
- Writer.AddStmt(E->getSubExpr());
- Code = pch::EXPR_IMAGINARY_LITERAL;
-}
-
-void PCHStmtWriter::VisitStringLiteral(StringLiteral *E) {
- VisitExpr(E);
- Record.push_back(E->getByteLength());
- Record.push_back(E->getNumConcatenated());
- Record.push_back(E->isWide());
- // FIXME: String data should be stored as a blob at the end of the
- // StringLiteral. However, we can't do so now because we have no
- // provision for coping with abbreviations when we're jumping around
- // the PCH file during deserialization.
- Record.append(E->getString().begin(), E->getString().end());
- for (unsigned I = 0, N = E->getNumConcatenated(); I != N; ++I)
- Writer.AddSourceLocation(E->getStrTokenLoc(I), Record);
- Code = pch::EXPR_STRING_LITERAL;
-}
-
-void PCHStmtWriter::VisitCharacterLiteral(CharacterLiteral *E) {
- VisitExpr(E);
- Record.push_back(E->getValue());
- Writer.AddSourceLocation(E->getLocation(), Record);
- Record.push_back(E->isWide());
- Code = pch::EXPR_CHARACTER_LITERAL;
-}
-
-void PCHStmtWriter::VisitParenExpr(ParenExpr *E) {
- VisitExpr(E);
- Writer.AddSourceLocation(E->getLParen(), Record);
- Writer.AddSourceLocation(E->getRParen(), Record);
- Writer.AddStmt(E->getSubExpr());
- Code = pch::EXPR_PAREN;
-}
-
-void PCHStmtWriter::VisitParenListExpr(ParenListExpr *E) {
- VisitExpr(E);
- Record.push_back(E->NumExprs);
- for (unsigned i=0; i != E->NumExprs; ++i)
- Writer.AddStmt(E->Exprs[i]);
- Writer.AddSourceLocation(E->LParenLoc, Record);
- Writer.AddSourceLocation(E->RParenLoc, Record);
- Code = pch::EXPR_PAREN_LIST;
-}
-
-void PCHStmtWriter::VisitUnaryOperator(UnaryOperator *E) {
- VisitExpr(E);
- Writer.AddStmt(E->getSubExpr());
- Record.push_back(E->getOpcode()); // FIXME: stable encoding
- Writer.AddSourceLocation(E->getOperatorLoc(), Record);
- Code = pch::EXPR_UNARY_OPERATOR;
-}
-
-void PCHStmtWriter::VisitOffsetOfExpr(OffsetOfExpr *E) {
- VisitExpr(E);
- Record.push_back(E->getNumComponents());
- Record.push_back(E->getNumExpressions());
- Writer.AddSourceLocation(E->getOperatorLoc(), Record);
- Writer.AddSourceLocation(E->getRParenLoc(), Record);
- Writer.AddTypeSourceInfo(E->getTypeSourceInfo(), Record);
- for (unsigned I = 0, N = E->getNumComponents(); I != N; ++I) {
- const OffsetOfExpr::OffsetOfNode &ON = E->getComponent(I);
- Record.push_back(ON.getKind()); // FIXME: Stable encoding
- Writer.AddSourceLocation(ON.getRange().getBegin(), Record);
- Writer.AddSourceLocation(ON.getRange().getEnd(), Record);
- switch (ON.getKind()) {
- case OffsetOfExpr::OffsetOfNode::Array:
- Record.push_back(ON.getArrayExprIndex());
- break;
-
- case OffsetOfExpr::OffsetOfNode::Field:
- Writer.AddDeclRef(ON.getField(), Record);
- break;
-
- case OffsetOfExpr::OffsetOfNode::Identifier:
- Writer.AddIdentifierRef(ON.getFieldName(), Record);
- break;
-
- case OffsetOfExpr::OffsetOfNode::Base:
- Writer.AddCXXBaseSpecifier(*ON.getBase(), Record);
- break;
- }
- }
- for (unsigned I = 0, N = E->getNumExpressions(); I != N; ++I)
- Writer.AddStmt(E->getIndexExpr(I));
- Code = pch::EXPR_OFFSETOF;
-}
-
-void PCHStmtWriter::VisitSizeOfAlignOfExpr(SizeOfAlignOfExpr *E) {
- VisitExpr(E);
- Record.push_back(E->isSizeOf());
- if (E->isArgumentType())
- Writer.AddTypeSourceInfo(E->getArgumentTypeInfo(), Record);
- else {
- Record.push_back(0);
- Writer.AddStmt(E->getArgumentExpr());
- }
- Writer.AddSourceLocation(E->getOperatorLoc(), Record);
- Writer.AddSourceLocation(E->getRParenLoc(), Record);
- Code = pch::EXPR_SIZEOF_ALIGN_OF;
-}
-
-void PCHStmtWriter::VisitArraySubscriptExpr(ArraySubscriptExpr *E) {
- VisitExpr(E);
- Writer.AddStmt(E->getLHS());
- Writer.AddStmt(E->getRHS());
- Writer.AddSourceLocation(E->getRBracketLoc(), Record);
- Code = pch::EXPR_ARRAY_SUBSCRIPT;
-}
-
-void PCHStmtWriter::VisitCallExpr(CallExpr *E) {
- VisitExpr(E);
- Record.push_back(E->getNumArgs());
- Writer.AddSourceLocation(E->getRParenLoc(), Record);
- Writer.AddStmt(E->getCallee());
- for (CallExpr::arg_iterator Arg = E->arg_begin(), ArgEnd = E->arg_end();
- Arg != ArgEnd; ++Arg)
- Writer.AddStmt(*Arg);
- Code = pch::EXPR_CALL;
-}
-
-void PCHStmtWriter::VisitMemberExpr(MemberExpr *E) {
- // Don't call VisitExpr, we'll write everything here.
-
- Record.push_back(E->hasQualifier());
- if (E->hasQualifier()) {
- Writer.AddNestedNameSpecifier(E->getQualifier(), Record);
- Writer.AddSourceRange(E->getQualifierRange(), Record);
- }
-
- unsigned NumTemplateArgs = E->getNumTemplateArgs();
- assert((NumTemplateArgs != 0) == E->hasExplicitTemplateArgumentList() &&
- "Template args list with no args ?");
- Record.push_back(NumTemplateArgs);
- if (NumTemplateArgs) {
- Writer.AddSourceLocation(E->getLAngleLoc(), Record);
- Writer.AddSourceLocation(E->getRAngleLoc(), Record);
- for (unsigned i=0; i != NumTemplateArgs; ++i)
- Writer.AddTemplateArgumentLoc(E->getTemplateArgs()[i], Record);
- }
-
- DeclAccessPair FoundDecl = E->getFoundDecl();
- Writer.AddDeclRef(FoundDecl.getDecl(), Record);
- Record.push_back(FoundDecl.getAccess());
-
- Writer.AddTypeRef(E->getType(), Record);
- Writer.AddStmt(E->getBase());
- Writer.AddDeclRef(E->getMemberDecl(), Record);
- // FIXME: write DeclarationNameLoc.
- Writer.AddSourceLocation(E->getMemberLoc(), Record);
- Record.push_back(E->isArrow());
- Code = pch::EXPR_MEMBER;
-}
-
-void PCHStmtWriter::VisitObjCIsaExpr(ObjCIsaExpr *E) {
- VisitExpr(E);
- Writer.AddStmt(E->getBase());
- Writer.AddSourceLocation(E->getIsaMemberLoc(), Record);
- Record.push_back(E->isArrow());
- Code = pch::EXPR_OBJC_ISA;
-}
-
-void PCHStmtWriter::VisitCastExpr(CastExpr *E) {
- VisitExpr(E);
- Record.push_back(E->path_size());
- Writer.AddStmt(E->getSubExpr());
- Record.push_back(E->getCastKind()); // FIXME: stable encoding
-
- for (CastExpr::path_iterator
- PI = E->path_begin(), PE = E->path_end(); PI != PE; ++PI)
- Writer.AddCXXBaseSpecifier(**PI, Record);
-}
-
-void PCHStmtWriter::VisitBinaryOperator(BinaryOperator *E) {
- VisitExpr(E);
- Writer.AddStmt(E->getLHS());
- Writer.AddStmt(E->getRHS());
- Record.push_back(E->getOpcode()); // FIXME: stable encoding
- Writer.AddSourceLocation(E->getOperatorLoc(), Record);
- Code = pch::EXPR_BINARY_OPERATOR;
-}
-
-void PCHStmtWriter::VisitCompoundAssignOperator(CompoundAssignOperator *E) {
- VisitBinaryOperator(E);
- Writer.AddTypeRef(E->getComputationLHSType(), Record);
- Writer.AddTypeRef(E->getComputationResultType(), Record);
- Code = pch::EXPR_COMPOUND_ASSIGN_OPERATOR;
-}
-
-void PCHStmtWriter::VisitConditionalOperator(ConditionalOperator *E) {
- VisitExpr(E);
- Writer.AddStmt(E->getCond());
- Writer.AddStmt(E->getLHS());
- Writer.AddStmt(E->getRHS());
- Writer.AddSourceLocation(E->getQuestionLoc(), Record);
- Writer.AddSourceLocation(E->getColonLoc(), Record);
- Code = pch::EXPR_CONDITIONAL_OPERATOR;
-}
-
-void PCHStmtWriter::VisitImplicitCastExpr(ImplicitCastExpr *E) {
- VisitCastExpr(E);
- Record.push_back(E->getCategory());
- Code = pch::EXPR_IMPLICIT_CAST;
-}
-
-void PCHStmtWriter::VisitExplicitCastExpr(ExplicitCastExpr *E) {
- VisitCastExpr(E);
- Writer.AddTypeSourceInfo(E->getTypeInfoAsWritten(), Record);
-}
-
-void PCHStmtWriter::VisitCStyleCastExpr(CStyleCastExpr *E) {
- VisitExplicitCastExpr(E);
- Writer.AddSourceLocation(E->getLParenLoc(), Record);
- Writer.AddSourceLocation(E->getRParenLoc(), Record);
- Code = pch::EXPR_CSTYLE_CAST;
-}
-
-void PCHStmtWriter::VisitCompoundLiteralExpr(CompoundLiteralExpr *E) {
- VisitExpr(E);
- Writer.AddSourceLocation(E->getLParenLoc(), Record);
- Writer.AddTypeSourceInfo(E->getTypeSourceInfo(), Record);
- Writer.AddStmt(E->getInitializer());
- Record.push_back(E->isFileScope());
- Code = pch::EXPR_COMPOUND_LITERAL;
-}
-
-void PCHStmtWriter::VisitExtVectorElementExpr(ExtVectorElementExpr *E) {
- VisitExpr(E);
- Writer.AddStmt(E->getBase());
- Writer.AddIdentifierRef(&E->getAccessor(), Record);
- Writer.AddSourceLocation(E->getAccessorLoc(), Record);
- Code = pch::EXPR_EXT_VECTOR_ELEMENT;
-}
-
-void PCHStmtWriter::VisitInitListExpr(InitListExpr *E) {
- VisitExpr(E);
- Record.push_back(E->getNumInits());
- for (unsigned I = 0, N = E->getNumInits(); I != N; ++I)
- Writer.AddStmt(E->getInit(I));
- Writer.AddStmt(E->getSyntacticForm());
- Writer.AddSourceLocation(E->getLBraceLoc(), Record);
- Writer.AddSourceLocation(E->getRBraceLoc(), Record);
- Writer.AddDeclRef(E->getInitializedFieldInUnion(), Record);
- Record.push_back(E->hadArrayRangeDesignator());
- Code = pch::EXPR_INIT_LIST;
-}
-
-void PCHStmtWriter::VisitDesignatedInitExpr(DesignatedInitExpr *E) {
- VisitExpr(E);
- Record.push_back(E->getNumSubExprs());
- for (unsigned I = 0, N = E->getNumSubExprs(); I != N; ++I)
- Writer.AddStmt(E->getSubExpr(I));
- Writer.AddSourceLocation(E->getEqualOrColonLoc(), Record);
- Record.push_back(E->usesGNUSyntax());
- for (DesignatedInitExpr::designators_iterator D = E->designators_begin(),
- DEnd = E->designators_end();
- D != DEnd; ++D) {
- if (D->isFieldDesignator()) {
- if (FieldDecl *Field = D->getField()) {
- Record.push_back(pch::DESIG_FIELD_DECL);
- Writer.AddDeclRef(Field, Record);
- } else {
- Record.push_back(pch::DESIG_FIELD_NAME);
- Writer.AddIdentifierRef(D->getFieldName(), Record);
- }
- Writer.AddSourceLocation(D->getDotLoc(), Record);
- Writer.AddSourceLocation(D->getFieldLoc(), Record);
- } else if (D->isArrayDesignator()) {
- Record.push_back(pch::DESIG_ARRAY);
- Record.push_back(D->getFirstExprIndex());
- Writer.AddSourceLocation(D->getLBracketLoc(), Record);
- Writer.AddSourceLocation(D->getRBracketLoc(), Record);
- } else {
- assert(D->isArrayRangeDesignator() && "Unknown designator");
- Record.push_back(pch::DESIG_ARRAY_RANGE);
- Record.push_back(D->getFirstExprIndex());
- Writer.AddSourceLocation(D->getLBracketLoc(), Record);
- Writer.AddSourceLocation(D->getEllipsisLoc(), Record);
- Writer.AddSourceLocation(D->getRBracketLoc(), Record);
- }
- }
- Code = pch::EXPR_DESIGNATED_INIT;
-}
-
-void PCHStmtWriter::VisitImplicitValueInitExpr(ImplicitValueInitExpr *E) {
- VisitExpr(E);
- Code = pch::EXPR_IMPLICIT_VALUE_INIT;
-}
-
-void PCHStmtWriter::VisitVAArgExpr(VAArgExpr *E) {
- VisitExpr(E);
- Writer.AddStmt(E->getSubExpr());
- Writer.AddTypeSourceInfo(E->getWrittenTypeInfo(), Record);
- Writer.AddSourceLocation(E->getBuiltinLoc(), Record);
- Writer.AddSourceLocation(E->getRParenLoc(), Record);
- Code = pch::EXPR_VA_ARG;
-}
-
-void PCHStmtWriter::VisitAddrLabelExpr(AddrLabelExpr *E) {
- VisitExpr(E);
- Writer.AddSourceLocation(E->getAmpAmpLoc(), Record);
- Writer.AddSourceLocation(E->getLabelLoc(), Record);
- Record.push_back(Writer.GetLabelID(E->getLabel()));
- Code = pch::EXPR_ADDR_LABEL;
-}
-
-void PCHStmtWriter::VisitStmtExpr(StmtExpr *E) {
- VisitExpr(E);
- Writer.AddStmt(E->getSubStmt());
- Writer.AddSourceLocation(E->getLParenLoc(), Record);
- Writer.AddSourceLocation(E->getRParenLoc(), Record);
- Code = pch::EXPR_STMT;
-}
-
-void PCHStmtWriter::VisitTypesCompatibleExpr(TypesCompatibleExpr *E) {
- VisitExpr(E);
- Writer.AddTypeSourceInfo(E->getArgTInfo1(), Record);
- Writer.AddTypeSourceInfo(E->getArgTInfo2(), Record);
- Writer.AddSourceLocation(E->getBuiltinLoc(), Record);
- Writer.AddSourceLocation(E->getRParenLoc(), Record);
- Code = pch::EXPR_TYPES_COMPATIBLE;
-}
-
-void PCHStmtWriter::VisitChooseExpr(ChooseExpr *E) {
- VisitExpr(E);
- Writer.AddStmt(E->getCond());
- Writer.AddStmt(E->getLHS());
- Writer.AddStmt(E->getRHS());
- Writer.AddSourceLocation(E->getBuiltinLoc(), Record);
- Writer.AddSourceLocation(E->getRParenLoc(), Record);
- Code = pch::EXPR_CHOOSE;
-}
-
-void PCHStmtWriter::VisitGNUNullExpr(GNUNullExpr *E) {
- VisitExpr(E);
- Writer.AddSourceLocation(E->getTokenLocation(), Record);
- Code = pch::EXPR_GNU_NULL;
-}
-
-void PCHStmtWriter::VisitShuffleVectorExpr(ShuffleVectorExpr *E) {
- VisitExpr(E);
- Record.push_back(E->getNumSubExprs());
- for (unsigned I = 0, N = E->getNumSubExprs(); I != N; ++I)
- Writer.AddStmt(E->getExpr(I));
- Writer.AddSourceLocation(E->getBuiltinLoc(), Record);
- Writer.AddSourceLocation(E->getRParenLoc(), Record);
- Code = pch::EXPR_SHUFFLE_VECTOR;
-}
-
-void PCHStmtWriter::VisitBlockExpr(BlockExpr *E) {
- VisitExpr(E);
- Writer.AddDeclRef(E->getBlockDecl(), Record);
- Record.push_back(E->hasBlockDeclRefExprs());
- Code = pch::EXPR_BLOCK;
-}
-
-void PCHStmtWriter::VisitBlockDeclRefExpr(BlockDeclRefExpr *E) {
- VisitExpr(E);
- Writer.AddDeclRef(E->getDecl(), Record);
- Writer.AddSourceLocation(E->getLocation(), Record);
- Record.push_back(E->isByRef());
- Record.push_back(E->isConstQualAdded());
- Writer.AddStmt(E->getCopyConstructorExpr());
- Code = pch::EXPR_BLOCK_DECL_REF;
-}
-
-//===----------------------------------------------------------------------===//
-// Objective-C Expressions and Statements.
-//===----------------------------------------------------------------------===//
-
-void PCHStmtWriter::VisitObjCStringLiteral(ObjCStringLiteral *E) {
- VisitExpr(E);
- Writer.AddStmt(E->getString());
- Writer.AddSourceLocation(E->getAtLoc(), Record);
- Code = pch::EXPR_OBJC_STRING_LITERAL;
-}
-
-void PCHStmtWriter::VisitObjCEncodeExpr(ObjCEncodeExpr *E) {
- VisitExpr(E);
- Writer.AddTypeSourceInfo(E->getEncodedTypeSourceInfo(), Record);
- Writer.AddSourceLocation(E->getAtLoc(), Record);
- Writer.AddSourceLocation(E->getRParenLoc(), Record);
- Code = pch::EXPR_OBJC_ENCODE;
-}
-
-void PCHStmtWriter::VisitObjCSelectorExpr(ObjCSelectorExpr *E) {
- VisitExpr(E);
- Writer.AddSelectorRef(E->getSelector(), Record);
- Writer.AddSourceLocation(E->getAtLoc(), Record);
- Writer.AddSourceLocation(E->getRParenLoc(), Record);
- Code = pch::EXPR_OBJC_SELECTOR_EXPR;
-}
-
-void PCHStmtWriter::VisitObjCProtocolExpr(ObjCProtocolExpr *E) {
- VisitExpr(E);
- Writer.AddDeclRef(E->getProtocol(), Record);
- Writer.AddSourceLocation(E->getAtLoc(), Record);
- Writer.AddSourceLocation(E->getRParenLoc(), Record);
- Code = pch::EXPR_OBJC_PROTOCOL_EXPR;
-}
-
-void PCHStmtWriter::VisitObjCIvarRefExpr(ObjCIvarRefExpr *E) {
- VisitExpr(E);
- Writer.AddDeclRef(E->getDecl(), Record);
- Writer.AddSourceLocation(E->getLocation(), Record);
- Writer.AddStmt(E->getBase());
- Record.push_back(E->isArrow());
- Record.push_back(E->isFreeIvar());
- Code = pch::EXPR_OBJC_IVAR_REF_EXPR;
-}
-
-void PCHStmtWriter::VisitObjCPropertyRefExpr(ObjCPropertyRefExpr *E) {
- VisitExpr(E);
- Writer.AddDeclRef(E->getProperty(), Record);
- Writer.AddSourceLocation(E->getLocation(), Record);
- Writer.AddStmt(E->getBase());
- Code = pch::EXPR_OBJC_PROPERTY_REF_EXPR;
-}
-
-void PCHStmtWriter::VisitObjCImplicitSetterGetterRefExpr(
- ObjCImplicitSetterGetterRefExpr *E) {
- VisitExpr(E);
- Writer.AddDeclRef(E->getGetterMethod(), Record);
- Writer.AddDeclRef(E->getSetterMethod(), Record);
-
- // NOTE: InterfaceDecl and Base are mutually exclusive.
- Writer.AddDeclRef(E->getInterfaceDecl(), Record);
- Writer.AddStmt(E->getBase());
- Writer.AddSourceLocation(E->getLocation(), Record);
- Writer.AddSourceLocation(E->getClassLoc(), Record);
- Code = pch::EXPR_OBJC_KVC_REF_EXPR;
-}
-
-void PCHStmtWriter::VisitObjCMessageExpr(ObjCMessageExpr *E) {
- VisitExpr(E);
- Record.push_back(E->getNumArgs());
- Record.push_back((unsigned)E->getReceiverKind()); // FIXME: stable encoding
- switch (E->getReceiverKind()) {
- case ObjCMessageExpr::Instance:
- Writer.AddStmt(E->getInstanceReceiver());
- break;
-
- case ObjCMessageExpr::Class:
- Writer.AddTypeSourceInfo(E->getClassReceiverTypeInfo(), Record);
- break;
-
- case ObjCMessageExpr::SuperClass:
- case ObjCMessageExpr::SuperInstance:
- Writer.AddTypeRef(E->getSuperType(), Record);
- Writer.AddSourceLocation(E->getSuperLoc(), Record);
- break;
- }
-
- if (E->getMethodDecl()) {
- Record.push_back(1);
- Writer.AddDeclRef(E->getMethodDecl(), Record);
- } else {
- Record.push_back(0);
- Writer.AddSelectorRef(E->getSelector(), Record);
- }
-
- Writer.AddSourceLocation(E->getLeftLoc(), Record);
- Writer.AddSourceLocation(E->getRightLoc(), Record);
-
- for (CallExpr::arg_iterator Arg = E->arg_begin(), ArgEnd = E->arg_end();
- Arg != ArgEnd; ++Arg)
- Writer.AddStmt(*Arg);
- Code = pch::EXPR_OBJC_MESSAGE_EXPR;
-}
-
-void PCHStmtWriter::VisitObjCSuperExpr(ObjCSuperExpr *E) {
- VisitExpr(E);
- Writer.AddSourceLocation(E->getLoc(), Record);
- Code = pch::EXPR_OBJC_SUPER_EXPR;
-}
-
-void PCHStmtWriter::VisitObjCForCollectionStmt(ObjCForCollectionStmt *S) {
- VisitStmt(S);
- Writer.AddStmt(S->getElement());
- Writer.AddStmt(S->getCollection());
- Writer.AddStmt(S->getBody());
- Writer.AddSourceLocation(S->getForLoc(), Record);
- Writer.AddSourceLocation(S->getRParenLoc(), Record);
- Code = pch::STMT_OBJC_FOR_COLLECTION;
-}
-
-void PCHStmtWriter::VisitObjCAtCatchStmt(ObjCAtCatchStmt *S) {
- Writer.AddStmt(S->getCatchBody());
- Writer.AddDeclRef(S->getCatchParamDecl(), Record);
- Writer.AddSourceLocation(S->getAtCatchLoc(), Record);
- Writer.AddSourceLocation(S->getRParenLoc(), Record);
- Code = pch::STMT_OBJC_CATCH;
-}
-
-void PCHStmtWriter::VisitObjCAtFinallyStmt(ObjCAtFinallyStmt *S) {
- Writer.AddStmt(S->getFinallyBody());
- Writer.AddSourceLocation(S->getAtFinallyLoc(), Record);
- Code = pch::STMT_OBJC_FINALLY;
-}
-
-void PCHStmtWriter::VisitObjCAtTryStmt(ObjCAtTryStmt *S) {
- Record.push_back(S->getNumCatchStmts());
- Record.push_back(S->getFinallyStmt() != 0);
- Writer.AddStmt(S->getTryBody());
- for (unsigned I = 0, N = S->getNumCatchStmts(); I != N; ++I)
- Writer.AddStmt(S->getCatchStmt(I));
- if (S->getFinallyStmt())
- Writer.AddStmt(S->getFinallyStmt());
- Writer.AddSourceLocation(S->getAtTryLoc(), Record);
- Code = pch::STMT_OBJC_AT_TRY;
-}
-
-void PCHStmtWriter::VisitObjCAtSynchronizedStmt(ObjCAtSynchronizedStmt *S) {
- Writer.AddStmt(S->getSynchExpr());
- Writer.AddStmt(S->getSynchBody());
- Writer.AddSourceLocation(S->getAtSynchronizedLoc(), Record);
- Code = pch::STMT_OBJC_AT_SYNCHRONIZED;
-}
-
-void PCHStmtWriter::VisitObjCAtThrowStmt(ObjCAtThrowStmt *S) {
- Writer.AddStmt(S->getThrowExpr());
- Writer.AddSourceLocation(S->getThrowLoc(), Record);
- Code = pch::STMT_OBJC_AT_THROW;
-}
-
-//===----------------------------------------------------------------------===//
-// C++ Expressions and Statements.
-//===----------------------------------------------------------------------===//
-
-void PCHStmtWriter::VisitCXXCatchStmt(CXXCatchStmt *S) {
- VisitStmt(S);
- Writer.AddSourceLocation(S->getCatchLoc(), Record);
- Writer.AddDeclRef(S->getExceptionDecl(), Record);
- Writer.AddStmt(S->getHandlerBlock());
- Code = pch::STMT_CXX_CATCH;
-}
-
-void PCHStmtWriter::VisitCXXTryStmt(CXXTryStmt *S) {
- VisitStmt(S);
- Record.push_back(S->getNumHandlers());
- Writer.AddSourceLocation(S->getTryLoc(), Record);
- Writer.AddStmt(S->getTryBlock());
- for (unsigned i = 0, e = S->getNumHandlers(); i != e; ++i)
- Writer.AddStmt(S->getHandler(i));
- Code = pch::STMT_CXX_TRY;
-}
-
-void PCHStmtWriter::VisitCXXOperatorCallExpr(CXXOperatorCallExpr *E) {
- VisitCallExpr(E);
- Record.push_back(E->getOperator());
- Code = pch::EXPR_CXX_OPERATOR_CALL;
-}
-
-void PCHStmtWriter::VisitCXXMemberCallExpr(CXXMemberCallExpr *E) {
- VisitCallExpr(E);
- Code = pch::EXPR_CXX_MEMBER_CALL;
-}
-
-void PCHStmtWriter::VisitCXXConstructExpr(CXXConstructExpr *E) {
- VisitExpr(E);
- Record.push_back(E->getNumArgs());
- for (unsigned I = 0, N = E->getNumArgs(); I != N; ++I)
- Writer.AddStmt(E->getArg(I));
- Writer.AddDeclRef(E->getConstructor(), Record);
- Writer.AddSourceLocation(E->getLocation(), Record);
- Record.push_back(E->isElidable());
- Record.push_back(E->requiresZeroInitialization());
- Record.push_back(E->getConstructionKind()); // FIXME: stable encoding
- Code = pch::EXPR_CXX_CONSTRUCT;
-}
-
-void PCHStmtWriter::VisitCXXTemporaryObjectExpr(CXXTemporaryObjectExpr *E) {
- VisitCXXConstructExpr(E);
- Writer.AddSourceLocation(E->getTypeBeginLoc(), Record);
- Writer.AddSourceLocation(E->getRParenLoc(), Record);
- Code = pch::EXPR_CXX_TEMPORARY_OBJECT;
-}
-
-void PCHStmtWriter::VisitCXXNamedCastExpr(CXXNamedCastExpr *E) {
- VisitExplicitCastExpr(E);
- Writer.AddSourceLocation(E->getOperatorLoc(), Record);
-}
-
-void PCHStmtWriter::VisitCXXStaticCastExpr(CXXStaticCastExpr *E) {
- VisitCXXNamedCastExpr(E);
- Code = pch::EXPR_CXX_STATIC_CAST;
-}
-
-void PCHStmtWriter::VisitCXXDynamicCastExpr(CXXDynamicCastExpr *E) {
- VisitCXXNamedCastExpr(E);
- Code = pch::EXPR_CXX_DYNAMIC_CAST;
-}
-
-void PCHStmtWriter::VisitCXXReinterpretCastExpr(CXXReinterpretCastExpr *E) {
- VisitCXXNamedCastExpr(E);
- Code = pch::EXPR_CXX_REINTERPRET_CAST;
-}
-
-void PCHStmtWriter::VisitCXXConstCastExpr(CXXConstCastExpr *E) {
- VisitCXXNamedCastExpr(E);
- Code = pch::EXPR_CXX_CONST_CAST;
-}
-
-void PCHStmtWriter::VisitCXXFunctionalCastExpr(CXXFunctionalCastExpr *E) {
- VisitExplicitCastExpr(E);
- Writer.AddSourceLocation(E->getTypeBeginLoc(), Record);
- Writer.AddSourceLocation(E->getRParenLoc(), Record);
- Code = pch::EXPR_CXX_FUNCTIONAL_CAST;
-}
-
-void PCHStmtWriter::VisitCXXBoolLiteralExpr(CXXBoolLiteralExpr *E) {
- VisitExpr(E);
- Record.push_back(E->getValue());
- Writer.AddSourceLocation(E->getLocation(), Record);
- Code = pch::EXPR_CXX_BOOL_LITERAL;
-}
-
-void PCHStmtWriter::VisitCXXNullPtrLiteralExpr(CXXNullPtrLiteralExpr *E) {
- VisitExpr(E);
- Writer.AddSourceLocation(E->getLocation(), Record);
- Code = pch::EXPR_CXX_NULL_PTR_LITERAL;
-}
-
-void PCHStmtWriter::VisitCXXTypeidExpr(CXXTypeidExpr *E) {
- VisitExpr(E);
- Writer.AddSourceRange(E->getSourceRange(), Record);
- if (E->isTypeOperand()) {
- Writer.AddTypeSourceInfo(E->getTypeOperandSourceInfo(), Record);
- Code = pch::EXPR_CXX_TYPEID_TYPE;
- } else {
- Writer.AddStmt(E->getExprOperand());
- Code = pch::EXPR_CXX_TYPEID_EXPR;
- }
-}
-
-void PCHStmtWriter::VisitCXXThisExpr(CXXThisExpr *E) {
- VisitExpr(E);
- Writer.AddSourceLocation(E->getLocation(), Record);
- Record.push_back(E->isImplicit());
- Code = pch::EXPR_CXX_THIS;
-}
-
-void PCHStmtWriter::VisitCXXThrowExpr(CXXThrowExpr *E) {
- VisitExpr(E);
- Writer.AddSourceLocation(E->getThrowLoc(), Record);
- Writer.AddStmt(E->getSubExpr());
- Code = pch::EXPR_CXX_THROW;
-}
-
-void PCHStmtWriter::VisitCXXDefaultArgExpr(CXXDefaultArgExpr *E) {
- VisitExpr(E);
-
- bool HasOtherExprStored = E->Param.getInt();
- // Store these first, the reader reads them before creation.
- Record.push_back(HasOtherExprStored);
- if (HasOtherExprStored)
- Writer.AddStmt(E->getExpr());
- Writer.AddDeclRef(E->getParam(), Record);
- Writer.AddSourceLocation(E->getUsedLocation(), Record);
-
- Code = pch::EXPR_CXX_DEFAULT_ARG;
-}
-
-void PCHStmtWriter::VisitCXXBindTemporaryExpr(CXXBindTemporaryExpr *E) {
- VisitExpr(E);
- Writer.AddCXXTemporary(E->getTemporary(), Record);
- Writer.AddStmt(E->getSubExpr());
- Code = pch::EXPR_CXX_BIND_TEMPORARY;
-}
-
-void PCHStmtWriter::VisitCXXBindReferenceExpr(CXXBindReferenceExpr *E) {
- VisitExpr(E);
- Writer.AddStmt(E->getSubExpr());
- Record.push_back(E->extendsLifetime());
- Record.push_back(E->requiresTemporaryCopy());
- Code = pch::EXPR_CXX_BIND_REFERENCE;
-}
-
-void PCHStmtWriter::VisitCXXScalarValueInitExpr(CXXScalarValueInitExpr *E) {
- VisitExpr(E);
- Writer.AddSourceLocation(E->getTypeBeginLoc(), Record);
- Writer.AddSourceLocation(E->getRParenLoc(), Record);
- Code = pch::EXPR_CXX_SCALAR_VALUE_INIT;
-}
-
-void PCHStmtWriter::VisitCXXNewExpr(CXXNewExpr *E) {
- VisitExpr(E);
- Record.push_back(E->isGlobalNew());
- Record.push_back(E->hasInitializer());
- Record.push_back(E->isArray());
- Record.push_back(E->getNumPlacementArgs());
- Record.push_back(E->getNumConstructorArgs());
- Writer.AddDeclRef(E->getOperatorNew(), Record);
- Writer.AddDeclRef(E->getOperatorDelete(), Record);
- Writer.AddDeclRef(E->getConstructor(), Record);
- Writer.AddSourceRange(E->getTypeIdParens(), Record);
- Writer.AddSourceLocation(E->getStartLoc(), Record);
- Writer.AddSourceLocation(E->getEndLoc(), Record);
- for (CXXNewExpr::arg_iterator I = E->raw_arg_begin(), e = E->raw_arg_end();
- I != e; ++I)
- Writer.AddStmt(*I);
-
- Code = pch::EXPR_CXX_NEW;
-}
-
-void PCHStmtWriter::VisitCXXDeleteExpr(CXXDeleteExpr *E) {
- VisitExpr(E);
- Record.push_back(E->isGlobalDelete());
- Record.push_back(E->isArrayForm());
- Writer.AddDeclRef(E->getOperatorDelete(), Record);
- Writer.AddStmt(E->getArgument());
- Writer.AddSourceLocation(E->getSourceRange().getBegin(), Record);
-
- Code = pch::EXPR_CXX_DELETE;
-}
-
-void PCHStmtWriter::VisitCXXPseudoDestructorExpr(CXXPseudoDestructorExpr *E) {
- VisitExpr(E);
-
- Writer.AddStmt(E->getBase());
- Record.push_back(E->isArrow());
- Writer.AddSourceLocation(E->getOperatorLoc(), Record);
- Writer.AddNestedNameSpecifier(E->getQualifier(), Record);
- Writer.AddSourceRange(E->getQualifierRange(), Record);
- Writer.AddTypeSourceInfo(E->getScopeTypeInfo(), Record);
- Writer.AddSourceLocation(E->getColonColonLoc(), Record);
- Writer.AddSourceLocation(E->getTildeLoc(), Record);
-
- // PseudoDestructorTypeStorage.
- Writer.AddIdentifierRef(E->getDestroyedTypeIdentifier(), Record);
- if (E->getDestroyedTypeIdentifier())
- Writer.AddSourceLocation(E->getDestroyedTypeLoc(), Record);
- else
- Writer.AddTypeSourceInfo(E->getDestroyedTypeInfo(), Record);
-
- Code = pch::EXPR_CXX_PSEUDO_DESTRUCTOR;
-}
-
-void PCHStmtWriter::VisitCXXExprWithTemporaries(CXXExprWithTemporaries *E) {
- VisitExpr(E);
- Record.push_back(E->getNumTemporaries());
- for (unsigned i = 0, e = E->getNumTemporaries(); i != e; ++i)
- Writer.AddCXXTemporary(E->getTemporary(i), Record);
-
- Writer.AddStmt(E->getSubExpr());
- Code = pch::EXPR_CXX_EXPR_WITH_TEMPORARIES;
-}
-
-void
-PCHStmtWriter::VisitCXXDependentScopeMemberExpr(CXXDependentScopeMemberExpr *E){
- VisitExpr(E);
-
- // Don't emit anything here, NumTemplateArgs must be emitted first.
-
- if (E->hasExplicitTemplateArgs()) {
- const ExplicitTemplateArgumentList &Args
- = *E->getExplicitTemplateArgumentList();
- assert(Args.NumTemplateArgs &&
- "Num of template args was zero! PCH reading will mess up!");
- Record.push_back(Args.NumTemplateArgs);
- AddExplicitTemplateArgumentList(Args);
- } else {
- Record.push_back(0);
- }
-
- if (!E->isImplicitAccess())
- Writer.AddStmt(E->getBase());
- else
- Writer.AddStmt(0);
- Writer.AddTypeRef(E->getBaseType(), Record);
- Record.push_back(E->isArrow());
- Writer.AddSourceLocation(E->getOperatorLoc(), Record);
- Writer.AddNestedNameSpecifier(E->getQualifier(), Record);
- Writer.AddSourceRange(E->getQualifierRange(), Record);
- Writer.AddDeclRef(E->getFirstQualifierFoundInScope(), Record);
- // FIXME: write whole DeclarationNameInfo.
- Writer.AddDeclarationName(E->getMember(), Record);
- Writer.AddSourceLocation(E->getMemberLoc(), Record);
- Code = pch::EXPR_CXX_DEPENDENT_SCOPE_MEMBER;
-}
-
-void
-PCHStmtWriter::VisitDependentScopeDeclRefExpr(DependentScopeDeclRefExpr *E) {
- VisitExpr(E);
-
- // Don't emit anything here, NumTemplateArgs must be emitted first.
-
- if (E->hasExplicitTemplateArgs()) {
- const ExplicitTemplateArgumentList &Args = E->getExplicitTemplateArgs();
- assert(Args.NumTemplateArgs &&
- "Num of template args was zero! PCH reading will mess up!");
- Record.push_back(Args.NumTemplateArgs);
- AddExplicitTemplateArgumentList(Args);
- } else {
- Record.push_back(0);
- }
-
- // FIXME: write whole DeclarationNameInfo.
- Writer.AddDeclarationName(E->getDeclName(), Record);
- Writer.AddSourceLocation(E->getLocation(), Record);
- Writer.AddSourceRange(E->getQualifierRange(), Record);
- Writer.AddNestedNameSpecifier(E->getQualifier(), Record);
- Code = pch::EXPR_CXX_DEPENDENT_SCOPE_DECL_REF;
-}
-
-void
-PCHStmtWriter::VisitCXXUnresolvedConstructExpr(CXXUnresolvedConstructExpr *E) {
- VisitExpr(E);
- Record.push_back(E->arg_size());
- for (CXXUnresolvedConstructExpr::arg_iterator
- ArgI = E->arg_begin(), ArgE = E->arg_end(); ArgI != ArgE; ++ArgI)
- Writer.AddStmt(*ArgI);
- Writer.AddSourceLocation(E->getTypeBeginLoc(), Record);
- Writer.AddTypeRef(E->getTypeAsWritten(), Record);
- Writer.AddSourceLocation(E->getLParenLoc(), Record);
- Writer.AddSourceLocation(E->getRParenLoc(), Record);
- Code = pch::EXPR_CXX_UNRESOLVED_CONSTRUCT;
-}
-
-void PCHStmtWriter::VisitOverloadExpr(OverloadExpr *E) {
- VisitExpr(E);
-
- // Don't emit anything here, NumTemplateArgs must be emitted first.
-
- if (E->hasExplicitTemplateArgs()) {
- const ExplicitTemplateArgumentList &Args = E->getExplicitTemplateArgs();
- assert(Args.NumTemplateArgs &&
- "Num of template args was zero! PCH reading will mess up!");
- Record.push_back(Args.NumTemplateArgs);
- AddExplicitTemplateArgumentList(Args);
- } else {
- Record.push_back(0);
- }
-
- Record.push_back(E->getNumDecls());
- for (OverloadExpr::decls_iterator
- OvI = E->decls_begin(), OvE = E->decls_end(); OvI != OvE; ++OvI) {
- Writer.AddDeclRef(OvI.getDecl(), Record);
- Record.push_back(OvI.getAccess());
- }
-
- // FIXME: write whole DeclarationNameInfo.
- Writer.AddDeclarationName(E->getName(), Record);
- Writer.AddNestedNameSpecifier(E->getQualifier(), Record);
- Writer.AddSourceRange(E->getQualifierRange(), Record);
- Writer.AddSourceLocation(E->getNameLoc(), Record);
-}
-
-void PCHStmtWriter::VisitUnresolvedMemberExpr(UnresolvedMemberExpr *E) {
- VisitOverloadExpr(E);
- Record.push_back(E->isArrow());
- Record.push_back(E->hasUnresolvedUsing());
- Writer.AddStmt(!E->isImplicitAccess() ? E->getBase() : 0);
- Writer.AddTypeRef(E->getBaseType(), Record);
- Writer.AddSourceLocation(E->getOperatorLoc(), Record);
- Code = pch::EXPR_CXX_UNRESOLVED_MEMBER;
-}
-
-void PCHStmtWriter::VisitUnresolvedLookupExpr(UnresolvedLookupExpr *E) {
- VisitOverloadExpr(E);
- Record.push_back(E->requiresADL());
- Record.push_back(E->isOverloaded());
- Writer.AddDeclRef(E->getNamingClass(), Record);
- Code = pch::EXPR_CXX_UNRESOLVED_LOOKUP;
-}
-
-void PCHStmtWriter::VisitUnaryTypeTraitExpr(UnaryTypeTraitExpr *E) {
- VisitExpr(E);
- Record.push_back(E->getTrait());
- Writer.AddSourceRange(E->getSourceRange(), Record);
- Writer.AddTypeRef(E->getQueriedType(), Record);
- Code = pch::EXPR_CXX_UNARY_TYPE_TRAIT;
-}
-
-//===----------------------------------------------------------------------===//
-// PCHWriter Implementation
-//===----------------------------------------------------------------------===//
-
-unsigned PCHWriter::RecordSwitchCaseID(SwitchCase *S) {
- assert(SwitchCaseIDs.find(S) == SwitchCaseIDs.end() &&
- "SwitchCase recorded twice");
- unsigned NextID = SwitchCaseIDs.size();
- SwitchCaseIDs[S] = NextID;
- return NextID;
-}
-
-unsigned PCHWriter::getSwitchCaseID(SwitchCase *S) {
- assert(SwitchCaseIDs.find(S) != SwitchCaseIDs.end() &&
- "SwitchCase hasn't been seen yet");
- return SwitchCaseIDs[S];
-}
-
-/// \brief Retrieve the ID for the given label statement, which may
-/// or may not have been emitted yet.
-unsigned PCHWriter::GetLabelID(LabelStmt *S) {
- std::map<LabelStmt *, unsigned>::iterator Pos = LabelIDs.find(S);
- if (Pos != LabelIDs.end())
- return Pos->second;
-
- unsigned NextID = LabelIDs.size();
- LabelIDs[S] = NextID;
- return NextID;
-}
-
-/// \brief Write the given substatement or subexpression to the
-/// bitstream.
-void PCHWriter::WriteSubStmt(Stmt *S) {
- RecordData Record;
- PCHStmtWriter Writer(*this, Record);
- ++NumStatements;
-
- if (!S) {
- Stream.EmitRecord(pch::STMT_NULL_PTR, Record);
- return;
- }
-
- // Redirect PCHWriter::AddStmt to collect sub stmts.
- llvm::SmallVector<Stmt *, 16> SubStmts;
- CollectedStmts = &SubStmts;
-
- Writer.Code = pch::STMT_NULL_PTR;
- Writer.Visit(S);
-
-#ifndef NDEBUG
- if (Writer.Code == pch::STMT_NULL_PTR) {
- SourceManager &SrcMgr
- = DeclIDs.begin()->first->getASTContext().getSourceManager();
- S->dump(SrcMgr);
- assert(0 && "Unhandled sub statement writing PCH file");
- }
-#endif
-
- // Revert PCHWriter::AddStmt.
- CollectedStmts = &StmtsToEmit;
-
- // Write the sub stmts in reverse order, last to first. When reading them back
- // we will read them in correct order by "pop"ing them from the Stmts stack.
- // This simplifies reading and allows to store a variable number of sub stmts
- // without knowing it in advance.
- while (!SubStmts.empty())
- WriteSubStmt(SubStmts.pop_back_val());
-
- Stream.EmitRecord(Writer.Code, Record);
-}
-
-/// \brief Flush all of the statements that have been added to the
-/// queue via AddStmt().
-void PCHWriter::FlushStmts() {
- RecordData Record;
-
- for (unsigned I = 0, N = StmtsToEmit.size(); I != N; ++I) {
- WriteSubStmt(StmtsToEmit[I]);
-
- assert(N == StmtsToEmit.size() &&
- "Substatement writen via AddStmt rather than WriteSubStmt!");
-
- // Note that we are at the end of a full expression. Any
- // expression records that follow this one are part of a different
- // expression.
- Stream.EmitRecord(pch::STMT_STOP, Record);
- }
-
- StmtsToEmit.clear();
-}
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