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-rw-r--r--clang/Driver/clang.cpp9
-rw-r--r--clang/include/clang/Lex/PTHManager.h4
-rw-r--r--clang/lib/Lex/PTHLexer.cpp34
3 files changed, 26 insertions, 21 deletions
diff --git a/clang/Driver/clang.cpp b/clang/Driver/clang.cpp
index 9c0ce109017..160c2523049 100644
--- a/clang/Driver/clang.cpp
+++ b/clang/Driver/clang.cpp
@@ -1156,15 +1156,20 @@ public:
if (!TokenCache.empty() && !ImplicitIncludePTH.empty()) {
fprintf(stderr, "error: cannot use both -token-cache and -include-pth "
"options\n");
- exit (1);
+ exit(1);
}
// Use PTH?
if (!TokenCache.empty() || !ImplicitIncludePTH.empty()) {
const std::string& x = TokenCache.empty() ? ImplicitIncludePTH:TokenCache;
- PTHMgr.reset(PTHManager::Create(x, &Diags));
+ PTHMgr.reset(PTHManager::Create(x, &Diags,
+ TokenCache.empty() ? Diagnostic::Error
+ : Diagnostic::Warning));
}
+ if (Diags.hasErrorOccurred())
+ exit(1);
+
// Create the Preprocessor.
llvm::OwningPtr<Preprocessor> PP(new Preprocessor(Diags, LangInfo, Target,
SourceMgr, HeaderInfo,
diff --git a/clang/include/clang/Lex/PTHManager.h b/clang/include/clang/Lex/PTHManager.h
index 6c3cabb1641..507576473f6 100644
--- a/clang/include/clang/Lex/PTHManager.h
+++ b/clang/include/clang/Lex/PTHManager.h
@@ -17,6 +17,7 @@
#include "clang/Lex/PTHLexer.h"
#include "clang/Basic/LangOptions.h"
#include "clang/Basic/IdentifierTable.h"
+#include "clang/Basic/Diagnostic.h"
#include "llvm/ADT/DenseMap.h"
#include "llvm/Support/Allocator.h"
#include <string>
@@ -118,7 +119,8 @@ public:
/// Create - This method creates PTHManager objects. The 'file' argument
/// is the name of the PTH file. This method returns NULL upon failure.
- static PTHManager *Create(const std::string& file, Diagnostic* Diags = 0);
+ static PTHManager *Create(const std::string& file, Diagnostic* Diags = 0,
+ Diagnostic::Level failureLevel=Diagnostic::Warning);
void setPreprocessor(Preprocessor *pp) { PP = pp; }
diff --git a/clang/lib/Lex/PTHLexer.cpp b/clang/lib/Lex/PTHLexer.cpp
index e547ce551b9..923b26cf7da 100644
--- a/clang/lib/Lex/PTHLexer.cpp
+++ b/clang/lib/Lex/PTHLexer.cpp
@@ -583,21 +583,23 @@ PTHManager::~PTHManager() {
free(PerIDCache);
}
-static void InvalidPTH(Diagnostic *Diags, const char* Msg = 0) {
+static void InvalidPTH(Diagnostic *Diags, Diagnostic::Level level,
+ const char* Msg = 0) {
if (!Diags) return;
if (!Msg) Msg = "Invalid or corrupted PTH file";
- unsigned DiagID = Diags->getCustomDiagID(Diagnostic::Warning, Msg);
+ unsigned DiagID = Diags->getCustomDiagID(level, Msg);
Diags->Report(FullSourceLoc(), DiagID);
}
-PTHManager* PTHManager::Create(const std::string& file, Diagnostic* Diags) {
+PTHManager* PTHManager::Create(const std::string& file, Diagnostic* Diags,
+ Diagnostic::Level level) {
// Memory map the PTH file.
llvm::OwningPtr<llvm::MemoryBuffer>
File(llvm::MemoryBuffer::getFile(file.c_str()));
if (!File) {
if (Diags) {
- unsigned DiagID = Diags->getCustomDiagID(Diagnostic::Warning,
+ unsigned DiagID = Diags->getCustomDiagID(level,
"PTH file %0 could not be read");
Diags->Report(FullSourceLoc(), DiagID) << file;
}
@@ -613,7 +615,7 @@ PTHManager* PTHManager::Create(const std::string& file, Diagnostic* Diags) {
// Check the prologue of the file.
if ((BufEnd - BufBeg) < (signed) (sizeof("cfe-pth") + 3 + 4) ||
memcmp(BufBeg, "cfe-pth", sizeof("cfe-pth") - 1) != 0) {
- InvalidPTH(Diags);
+ InvalidPTH(Diags, level);
return 0;
}
@@ -622,7 +624,7 @@ PTHManager* PTHManager::Create(const std::string& file, Diagnostic* Diags) {
unsigned Version = ReadLE32(p);
if (Version != PTHManager::Version) {
- InvalidPTH(Diags,
+ InvalidPTH(Diags, level,
Version < PTHManager::Version
? "PTH file uses an older PTH format that is no longer supported"
: "PTH file uses a newer PTH format that cannot be read");
@@ -633,7 +635,7 @@ PTHManager* PTHManager::Create(const std::string& file, Diagnostic* Diags) {
const unsigned char *PrologueOffset = p;
if (PrologueOffset >= BufEnd) {
- InvalidPTH(Diags);
+ InvalidPTH(Diags, level);
return 0;
}
@@ -643,7 +645,7 @@ PTHManager* PTHManager::Create(const std::string& file, Diagnostic* Diags) {
const unsigned char* FileTable = BufBeg + ReadLE32(FileTableOffset);
if (!(FileTable > BufBeg && FileTable < BufEnd)) {
- InvalidPTH(Diags);
+ InvalidPTH(Diags, level);
return 0; // FIXME: Proper error diagnostic?
}
@@ -652,7 +654,7 @@ PTHManager* PTHManager::Create(const std::string& file, Diagnostic* Diags) {
// Warn if the PTH file is empty. We still want to create a PTHManager
// as the PTH could be used with -include-pth.
if (FL->isEmpty())
- InvalidPTH(Diags, "PTH file contains no cached source data");
+ InvalidPTH(Diags, level, "PTH file contains no cached source data");
// Get the location of the table mapping from persistent ids to the
// data needed to reconstruct identifiers.
@@ -660,7 +662,7 @@ PTHManager* PTHManager::Create(const std::string& file, Diagnostic* Diags) {
const unsigned char* IData = BufBeg + ReadLE32(IDTableOffset);
if (!(IData >= BufBeg && IData < BufEnd)) {
- InvalidPTH(Diags);
+ InvalidPTH(Diags, level);
return 0;
}
@@ -669,23 +671,18 @@ PTHManager* PTHManager::Create(const std::string& file, Diagnostic* Diags) {
const unsigned char* StringIdTableOffset = PrologueOffset + sizeof(uint32_t)*1;
const unsigned char* StringIdTable = BufBeg + ReadLE32(StringIdTableOffset);
if (!(StringIdTable >= BufBeg && StringIdTable < BufEnd)) {
- InvalidPTH(Diags);
+ InvalidPTH(Diags, level);
return 0;
}
llvm::OwningPtr<PTHStringIdLookup> SL(PTHStringIdLookup::Create(StringIdTable,
BufBeg));
- // Issue a warning about the PTH file containing no identifiers.
- if (!FL->isEmpty() && SL->isEmpty()) {
- InvalidPTH(Diags, "PTH file contains no identifiers.");
- }
-
// Get the location of the spelling cache.
const unsigned char* spellingBaseOffset = PrologueOffset + sizeof(uint32_t)*3;
const unsigned char* spellingBase = BufBeg + ReadLE32(spellingBaseOffset);
if (!(spellingBase >= BufBeg && spellingBase < BufEnd)) {
- InvalidPTH(Diags);
+ InvalidPTH(Diags, level);
return 0;
}
@@ -700,7 +697,8 @@ PTHManager* PTHManager::Create(const std::string& file, Diagnostic* Diags) {
if (NumIds) {
PerIDCache = (IdentifierInfo**)calloc(NumIds, sizeof(*PerIDCache));
if (!PerIDCache) {
- InvalidPTH(Diags, "Could not allocate memory for processing PTH file");
+ InvalidPTH(Diags, level,
+ "Could not allocate memory for processing PTH file");
return 0;
}
}
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