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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/ASTUnit.h"
#include "clang/Frontend/FrontendDiagnostic.h"
#include "llvm/ADT/SmallString.h"
#include "llvm/ADT/Twine.h"
#include "llvm/Support/MemoryBuffer.h"
#include "llvm/Support/raw_ostream.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->stored_diag_size() : 0;
}
CXDiagnostic clang_getDiagnostic(CXTranslationUnit Unit, unsigned Index) {
ASTUnit *CXXUnit = static_cast<ASTUnit *>(Unit);
if (!CXXUnit || Index >= CXXUnit->stored_diag_size())
return 0;
return new CXStoredDiagnostic(CXXUnit->stored_diag_begin()[Index],
CXXUnit->getASTContext().getLangOptions());
}
void clang_disposeDiagnostic(CXDiagnostic Diagnostic) {
CXStoredDiagnostic *Stored = static_cast<CXStoredDiagnostic *>(Diagnostic);
delete Stored;
}
CXString clang_formatDiagnostic(CXDiagnostic Diagnostic, unsigned Options) {
if (!Diagnostic)
return createCXString("");
CXDiagnosticSeverity Severity = clang_getDiagnosticSeverity(Diagnostic);
llvm::SmallString<256> Str;
llvm::raw_svector_ostream Out(Str);
if (Options & CXDiagnostic_DisplaySourceLocation) {
// Print source location (file:line), along with optional column
// and source ranges.
CXFile File;
unsigned Line, Column;
clang_getInstantiationLocation(clang_getDiagnosticLocation(Diagnostic),
&File, &Line, &Column, 0);
if (File) {
CXString FName = clang_getFileName(File);
Out << clang_getCString(FName) << ":" << Line << ":";
clang_disposeString(FName);
if (Options & CXDiagnostic_DisplayColumn)
Out << Column << ":";
if (Options & CXDiagnostic_DisplaySourceRanges) {
unsigned N = clang_getDiagnosticNumRanges(Diagnostic);
bool PrintedRange = false;
for (unsigned I = 0; I != N; ++I) {
CXFile StartFile, EndFile;
CXSourceRange Range = clang_getDiagnosticRange(Diagnostic, I);
unsigned StartLine, StartColumn, EndLine, EndColumn;
clang_getInstantiationLocation(clang_getRangeStart(Range),
&StartFile, &StartLine, &StartColumn,
0);
clang_getInstantiationLocation(clang_getRangeEnd(Range),
&EndFile, &EndLine, &EndColumn, 0);
if (StartFile != EndFile || StartFile != File)
continue;
Out << "{" << StartLine << ":" << StartColumn << "-"
<< EndLine << ":" << EndColumn << "}";
PrintedRange = true;
}
if (PrintedRange)
Out << ":";
}
Out << " ";
}
}
/* Print warning/error/etc. */
switch (Severity) {
case CXDiagnostic_Ignored: assert(0 && "impossible"); break;
case CXDiagnostic_Note: Out << "note: "; break;
case CXDiagnostic_Warning: Out << "warning: "; break;
case CXDiagnostic_Error: Out << "error: "; break;
case CXDiagnostic_Fatal: Out << "fatal error: "; break;
}
CXString Text = clang_getDiagnosticSpelling(Diagnostic);
if (clang_getCString(Text))
Out << clang_getCString(Text);
else
Out << "<no diagnostic text>";
clang_disposeString(Text);
return createCXString(Out.str(), true);
}
unsigned clang_defaultDiagnosticDisplayOptions() {
return CXDiagnostic_DisplaySourceLocation | CXDiagnostic_DisplayColumn;
}
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();
}
CXString clang_getDiagnosticFixIt(CXDiagnostic Diagnostic, unsigned FixIt,
CXSourceRange *ReplacementRange) {
CXStoredDiagnostic *StoredDiag
= static_cast<CXStoredDiagnostic *>(Diagnostic);
if (!StoredDiag || FixIt >= StoredDiag->Diag.fixit_size() ||
StoredDiag->Diag.getLocation().isInvalid()) {
if (ReplacementRange)
*ReplacementRange = clang_getNullRange();
return createCXString("");
}
const FixItHint &Hint = StoredDiag->Diag.fixit_begin()[FixIt];
if (ReplacementRange) {
// Create a range that covers the entire replacement (or
// removal) range, adjusting the end of the range to point to
// the end of the token.
*ReplacementRange
= translateSourceRange(StoredDiag->Diag.getLocation().getManager(),
StoredDiag->LangOpts,
Hint.RemoveRange);
}
return createCXString(Hint.CodeToInsert);
}
} // end extern "C"
|
