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| //===- SourceLocation.cpp - Compact identifier for Source Files -----------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
//
// This file defines accessor methods for the FullSourceLoc class.
//
//===----------------------------------------------------------------------===//
#include "clang/Basic/SourceLocation.h"
#include "clang/Basic/LLVM.h"
#include "clang/Basic/PrettyStackTrace.h"
#include "clang/Basic/SourceManager.h"
#include "llvm/ADT/StringRef.h"
#include "llvm/Support/Compiler.h"
#include "llvm/Support/MemoryBuffer.h"
#include "llvm/Support/raw_ostream.h"
#include <cassert>
#include <string>
#include <utility>
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);
llvm::errs() << '\n';
}
LLVM_DUMP_METHOD void SourceRange::dump(const SourceManager &SM) const {
print(llvm::errs(), SM);
llvm::errs() << '\n';
}
static PresumedLoc PrintDifference(raw_ostream &OS, const SourceManager &SM,
SourceLocation Loc, PresumedLoc Previous) {
if (Loc.isFileID()) {
PresumedLoc PLoc = SM.getPresumedLoc(Loc);
if (PLoc.isInvalid()) {
OS << "<invalid sloc>";
return Previous;
}
if (Previous.isInvalid() ||
strcmp(PLoc.getFilename(), Previous.getFilename()) != 0) {
OS << PLoc.getFilename() << ':' << PLoc.getLine() << ':'
<< PLoc.getColumn();
} else if (Previous.isInvalid() || PLoc.getLine() != Previous.getLine()) {
OS << "line" << ':' << PLoc.getLine() << ':' << PLoc.getColumn();
} else {
OS << "col" << ':' << PLoc.getColumn();
}
return PLoc;
}
auto PrintedLoc = PrintDifference(OS, SM, SM.getExpansionLoc(Loc), Previous);
OS << " <Spelling=";
PrintedLoc = PrintDifference(OS, SM, SM.getSpellingLoc(Loc), PrintedLoc);
OS << '>';
return PrintedLoc;
}
void SourceRange::print(raw_ostream &OS, const SourceManager &SM) const {
OS << '<';
auto PrintedLoc = PrintDifference(OS, SM, B, {});
if (B != E) {
OS << ", ";
PrintDifference(OS, SM, E, PrintedLoc);
}
OS << '>';
}
LLVM_DUMP_METHOD std::string
SourceRange::printToString(const SourceManager &SM) const {
std::string S;
llvm::raw_string_ostream OS(S);
print(OS, SM);
return OS.str();
}
//===----------------------------------------------------------------------===//
// 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);
}
FullSourceLoc FullSourceLoc::getFileLoc() const {
assert(isValid());
return FullSourceLoc(SrcMgr->getFileLoc(*this), *SrcMgr);
}
PresumedLoc FullSourceLoc::getPresumedLoc(bool UseLineDirectives) const {
if (!isValid())
return PresumedLoc();
return SrcMgr->getPresumedLoc(*this, UseLineDirectives);
}
bool FullSourceLoc::isMacroArgExpansion(FullSourceLoc *StartLoc) const {
assert(isValid());
return SrcMgr->isMacroArgExpansion(*this, StartLoc);
}
FullSourceLoc FullSourceLoc::getImmediateMacroCallerLoc() const {
assert(isValid());
return FullSourceLoc(SrcMgr->getImmediateMacroCallerLoc(*this), *SrcMgr);
}
std::pair<FullSourceLoc, StringRef> FullSourceLoc::getModuleImportLoc() const {
if (!isValid())
return std::make_pair(FullSourceLoc(), StringRef());
std::pair<SourceLocation, StringRef> ImportLoc =
SrcMgr->getModuleImportLoc(*this);
return std::make_pair(FullSourceLoc(ImportLoc.first, *SrcMgr),
ImportLoc.second);
}
unsigned FullSourceLoc::getFileOffset() const {
assert(isValid());
return SrcMgr->getFileOffset(*this);
}
unsigned FullSourceLoc::getLineNumber(bool *Invalid) const {
assert(isValid());
return SrcMgr->getLineNumber(getFileID(), getFileOffset(), Invalid);
}
unsigned FullSourceLoc::getColumnNumber(bool *Invalid) const {
assert(isValid());
return SrcMgr->getColumnNumber(getFileID(), getFileOffset(), Invalid);
}
const FileEntry *FullSourceLoc::getFileEntry() const {
assert(isValid());
return SrcMgr->getFileEntryForID(getFileID());
}
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);
}
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