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/*===-- CIndexDiagnostics.cpp - Diagnostics C Interface ---------*- C++ -*-===*\
|* *|
|* The LLVM Compiler Infrastructure *|
|* *|
|* This file is distributed under the University of Illinois Open Source *|
|* License. See LICENSE.TXT for details. *|
|* *|
|*===----------------------------------------------------------------------===*|
|* *|
|* Implements the diagnostic functions of the Clang C interface. *|
|* *|
\*===----------------------------------------------------------------------===*/
#include "CIndexDiagnostic.h"
#include "CIndexer.h"
#include "CXSourceLocation.h"
#include "clang/Frontend/FrontendDiagnostic.h"
#include "llvm/ADT/Twine.h"
#include "llvm/Support/MemoryBuffer.h"
using namespace clang;
using namespace clang::cxloc;
using namespace clang::cxstring;
using namespace llvm;
//-----------------------------------------------------------------------------
// C Interface Routines
//-----------------------------------------------------------------------------
extern "C" {
unsigned clang_getNumDiagnostics(CXTranslationUnit Unit) {
ASTUnit *CXXUnit = static_cast<ASTUnit *>(Unit);
return CXXUnit? CXXUnit->diag_size() : 0;
}
CXDiagnostic clang_getDiagnostic(CXTranslationUnit Unit, unsigned Index) {
ASTUnit *CXXUnit = static_cast<ASTUnit *>(Unit);
if (!CXXUnit || Index >= CXXUnit->diag_size())
return 0;
return new CXStoredDiagnostic(CXXUnit->diag_begin()[Index],
CXXUnit->getASTContext().getLangOptions());
}
void clang_disposeDiagnostic(CXDiagnostic Diagnostic) {
CXStoredDiagnostic *Stored = static_cast<CXStoredDiagnostic *>(Diagnostic);
delete Stored;
}
enum CXDiagnosticSeverity clang_getDiagnosticSeverity(CXDiagnostic Diag) {
CXStoredDiagnostic *StoredDiag = static_cast<CXStoredDiagnostic *>(Diag);
if (!StoredDiag)
return CXDiagnostic_Ignored;
switch (StoredDiag->Diag.getLevel()) {
case Diagnostic::Ignored: return CXDiagnostic_Ignored;
case Diagnostic::Note: return CXDiagnostic_Note;
case Diagnostic::Warning: return CXDiagnostic_Warning;
case Diagnostic::Error: return CXDiagnostic_Error;
case Diagnostic::Fatal: return CXDiagnostic_Fatal;
}
llvm_unreachable("Invalid diagnostic level");
return CXDiagnostic_Ignored;
}
CXSourceLocation clang_getDiagnosticLocation(CXDiagnostic Diag) {
CXStoredDiagnostic *StoredDiag = static_cast<CXStoredDiagnostic *>(Diag);
if (!StoredDiag || StoredDiag->Diag.getLocation().isInvalid())
return clang_getNullLocation();
return translateSourceLocation(StoredDiag->Diag.getLocation().getManager(),
StoredDiag->LangOpts,
StoredDiag->Diag.getLocation());
}
CXString clang_getDiagnosticSpelling(CXDiagnostic Diag) {
CXStoredDiagnostic *StoredDiag = static_cast<CXStoredDiagnostic *>(Diag);
if (!StoredDiag)
return createCXString("");
return createCXString(StoredDiag->Diag.getMessage(), false);
}
unsigned clang_getDiagnosticNumRanges(CXDiagnostic Diag) {
CXStoredDiagnostic *StoredDiag = static_cast<CXStoredDiagnostic *>(Diag);
if (!StoredDiag || StoredDiag->Diag.getLocation().isInvalid())
return 0;
return StoredDiag->Diag.range_size();
}
CXSourceRange clang_getDiagnosticRange(CXDiagnostic Diag, unsigned Range) {
CXStoredDiagnostic *StoredDiag = static_cast<CXStoredDiagnostic *>(Diag);
if (!StoredDiag || Range >= StoredDiag->Diag.range_size() ||
StoredDiag->Diag.getLocation().isInvalid())
return clang_getNullRange();
return translateSourceRange(StoredDiag->Diag.getLocation().getManager(),
StoredDiag->LangOpts,
StoredDiag->Diag.range_begin()[Range]);
}
unsigned clang_getDiagnosticNumFixIts(CXDiagnostic Diag) {
CXStoredDiagnostic *StoredDiag = static_cast<CXStoredDiagnostic *>(Diag);
if (!StoredDiag)
return 0;
return StoredDiag->Diag.fixit_size();
}
enum CXFixItKind clang_getDiagnosticFixItKind(CXDiagnostic Diag,
unsigned FixIt) {
CXStoredDiagnostic *StoredDiag = static_cast<CXStoredDiagnostic *>(Diag);
if (!StoredDiag || FixIt >= StoredDiag->Diag.fixit_size())
return CXFixIt_Insertion;
const CodeModificationHint &Hint = StoredDiag->Diag.fixit_begin()[FixIt];
if (Hint.RemoveRange.isInvalid())
return CXFixIt_Insertion;
if (Hint.InsertionLoc.isInvalid())
return CXFixIt_Removal;
return CXFixIt_Replacement;
}
CXString clang_getDiagnosticFixItInsertion(CXDiagnostic Diag,
unsigned FixIt,
CXSourceLocation *Location) {
if (Location)
*Location = clang_getNullLocation();
CXStoredDiagnostic *StoredDiag = static_cast<CXStoredDiagnostic *>(Diag);
if (!StoredDiag || FixIt >= StoredDiag->Diag.fixit_size())
return createCXString("");
const CodeModificationHint &Hint = StoredDiag->Diag.fixit_begin()[FixIt];
if (Location && StoredDiag->Diag.getLocation().isValid())
*Location = translateSourceLocation(
StoredDiag->Diag.getLocation().getManager(),
StoredDiag->LangOpts,
Hint.InsertionLoc);
return createCXString(Hint.CodeToInsert);
}
CXSourceRange clang_getDiagnosticFixItRemoval(CXDiagnostic Diag,
unsigned FixIt) {
CXStoredDiagnostic *StoredDiag = static_cast<CXStoredDiagnostic *>(Diag);
if (!StoredDiag || FixIt >= StoredDiag->Diag.fixit_size() ||
StoredDiag->Diag.getLocation().isInvalid())
return clang_getNullRange();
const CodeModificationHint &Hint = StoredDiag->Diag.fixit_begin()[FixIt];
return translateSourceRange(StoredDiag->Diag.getLocation().getManager(),
StoredDiag->LangOpts,
Hint.RemoveRange);
}
CXString clang_getDiagnosticFixItReplacement(CXDiagnostic Diag,
unsigned FixIt,
CXSourceRange *Range) {
if (Range)
*Range = clang_getNullRange();
CXStoredDiagnostic *StoredDiag = static_cast<CXStoredDiagnostic *>(Diag);
if (!StoredDiag || FixIt >= StoredDiag->Diag.fixit_size() ||
StoredDiag->Diag.getLocation().isInvalid()) {
if (Range)
*Range = clang_getNullRange();
return createCXString("");
}
const CodeModificationHint &Hint = StoredDiag->Diag.fixit_begin()[FixIt];
if (Range)
*Range = translateSourceRange(StoredDiag->Diag.getLocation().getManager(),
StoredDiag->LangOpts,
Hint.RemoveRange);
return createCXString(Hint.CodeToInsert);
}
} // end extern "C"
void clang::LoadSerializedDiagnostics(const llvm::sys::Path &DiagnosticsPath,
unsigned num_unsaved_files,
struct CXUnsavedFile *unsaved_files,
FileManager &FileMgr,
SourceManager &SourceMgr,
SmallVectorImpl<StoredDiagnostic> &Diags) {
using llvm::MemoryBuffer;
using llvm::StringRef;
MemoryBuffer *F = MemoryBuffer::getFile(DiagnosticsPath.c_str());
if (!F)
return;
// Enter the unsaved files into the file manager.
for (unsigned I = 0; I != num_unsaved_files; ++I) {
const FileEntry *File = FileMgr.getVirtualFile(unsaved_files[I].Filename,
unsaved_files[I].Length,
0);
if (!File) {
// FIXME: Hard to localize when we have no diagnostics engine!
Diags.push_back(StoredDiagnostic(Diagnostic::Fatal,
(Twine("could not remap from missing file ") +
unsaved_files[I].Filename).str()));
return;
}
MemoryBuffer *Buffer
= MemoryBuffer::getMemBuffer(unsaved_files[I].Contents,
unsaved_files[I].Contents + unsaved_files[I].Length);
if (!Buffer)
return;
SourceMgr.overrideFileContents(File, Buffer);
}
// Parse the diagnostics, emitting them one by one until we've
// exhausted the data.
StringRef Buffer = F->getBuffer();
const char *Memory = Buffer.data(), *MemoryEnd = Memory + Buffer.size();
while (Memory != MemoryEnd) {
StoredDiagnostic Stored = StoredDiagnostic::Deserialize(FileMgr, SourceMgr,
Memory, MemoryEnd);
if (!Stored)
return;
Diags.push_back(Stored);
}
}
|
