llvm-project/clang/lib/Basic/SourceLocation.cpp

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//==--- SourceLocation.cpp - Compact identifier for Source Files -*- 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 accessor methods for the FullSourceLoc class.
//
//===----------------------------------------------------------------------===//
#include "clang/Basic/SourceLocation.h"
#include "clang/Basic/PrettyStackTrace.h"
#include "clang/Basic/SourceManager.h"
#include "llvm/Support/raw_ostream.h"
#include <cstdio>
using namespace clang;
//===----------------------------------------------------------------------===//
// PrettyStackTraceLoc
//===----------------------------------------------------------------------===//
void PrettyStackTraceLoc::print(raw_ostream &OS) const {
if (Loc.isValid()) {
Loc.print(OS, SM);
OS << ": ";
}
OS << Message << '\n';
}
//===----------------------------------------------------------------------===//
// SourceLocation
//===----------------------------------------------------------------------===//
void SourceLocation::print(raw_ostream &OS, const SourceManager &SM)const{
if (!isValid()) {
OS << "<invalid loc>";
return;
}
if (isFileID()) {
PresumedLoc PLoc = SM.getPresumedLoc(*this);
if (PLoc.isInvalid()) {
OS << "<invalid>";
return;
}
// The macro expansion and spelling pos is identical for file locs.
OS << PLoc.getFilename() << ':' << PLoc.getLine()
<< ':' << PLoc.getColumn();
return;
}
SM.getExpansionLoc(*this).print(OS, SM);
OS << " <Spelling=";
SM.getSpellingLoc(*this).print(OS, SM);
OS << '>';
}
LLVM_DUMP_METHOD std::string
SourceLocation::printToString(const SourceManager &SM) const {
std::string S;
llvm::raw_string_ostream OS(S);
print(OS, SM);
return OS.str();
}
LLVM_DUMP_METHOD void SourceLocation::dump(const SourceManager &SM) const {
print(llvm::errs(), SM);
}
//===----------------------------------------------------------------------===//
// FullSourceLoc
//===----------------------------------------------------------------------===//
FileID FullSourceLoc::getFileID() const {
assert(isValid());
return SrcMgr->getFileID(*this);
}
FullSourceLoc FullSourceLoc::getExpansionLoc() const {
assert(isValid());
return FullSourceLoc(SrcMgr->getExpansionLoc(*this), *SrcMgr);
}
FullSourceLoc FullSourceLoc::getSpellingLoc() const {
assert(isValid());
return FullSourceLoc(SrcMgr->getSpellingLoc(*this), *SrcMgr);
}
unsigned FullSourceLoc::getExpansionLineNumber(bool *Invalid) const {
assert(isValid());
return SrcMgr->getExpansionLineNumber(*this, Invalid);
}
unsigned FullSourceLoc::getExpansionColumnNumber(bool *Invalid) const {
assert(isValid());
return SrcMgr->getExpansionColumnNumber(*this, Invalid);
}
unsigned FullSourceLoc::getSpellingLineNumber(bool *Invalid) const {
assert(isValid());
return SrcMgr->getSpellingLineNumber(*this, Invalid);
}
unsigned FullSourceLoc::getSpellingColumnNumber(bool *Invalid) const {
assert(isValid());
return SrcMgr->getSpellingColumnNumber(*this, Invalid);
}
bool FullSourceLoc::isInSystemHeader() const {
assert(isValid());
return SrcMgr->isInSystemHeader(*this);
}
bool FullSourceLoc::isBeforeInTranslationUnitThan(SourceLocation Loc) const {
assert(isValid());
return SrcMgr->isBeforeInTranslationUnit(*this, Loc);
}
LLVM_DUMP_METHOD void FullSourceLoc::dump() const {
SourceLocation::dump(*SrcMgr);
}
const char *FullSourceLoc::getCharacterData(bool *Invalid) const {
assert(isValid());
return SrcMgr->getCharacterData(*this, Invalid);
}
StringRef FullSourceLoc::getBufferData(bool *Invalid) const {
assert(isValid());
return SrcMgr->getBuffer(SrcMgr->getFileID(*this), Invalid)->getBuffer();
}
std::pair<FileID, unsigned> FullSourceLoc::getDecomposedLoc() const {
return SrcMgr->getDecomposedLoc(*this);
}