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ef6b007dc5
This has the dual effect of (1) enabling more dead-stripping in release builds and (2) ensuring that debug helper functions aren't stripped away in debug builds, as they're intended to be called from the debugger. Note that the attribute is applied to definitions rather than declarations in headers going forward because it's now conditional on NDEBUG: /// \brief Mark debug helper function definitions like dump() that should not be /// stripped from debug builds. Requires corresponding macro added in LLVM r198456. llvm-svn: 198489
147 lines
4.1 KiB
C++
147 lines
4.1 KiB
C++
//==--- SourceLocation.cpp - Compact identifier for Source Files -*- C++ -*-==//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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//
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// This file defines accessor methods for the FullSourceLoc class.
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//
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//===----------------------------------------------------------------------===//
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#include "clang/Basic/SourceLocation.h"
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#include "clang/Basic/PrettyStackTrace.h"
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#include "clang/Basic/SourceManager.h"
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#include "llvm/Support/MemoryBuffer.h"
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#include "llvm/Support/raw_ostream.h"
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#include <cstdio>
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using namespace clang;
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//===----------------------------------------------------------------------===//
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// PrettyStackTraceLoc
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//===----------------------------------------------------------------------===//
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void PrettyStackTraceLoc::print(raw_ostream &OS) const {
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if (Loc.isValid()) {
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Loc.print(OS, SM);
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OS << ": ";
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}
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OS << Message << '\n';
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}
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//===----------------------------------------------------------------------===//
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// SourceLocation
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//===----------------------------------------------------------------------===//
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void SourceLocation::print(raw_ostream &OS, const SourceManager &SM)const{
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if (!isValid()) {
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OS << "<invalid loc>";
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return;
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}
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if (isFileID()) {
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PresumedLoc PLoc = SM.getPresumedLoc(*this);
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if (PLoc.isInvalid()) {
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OS << "<invalid>";
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return;
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}
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// The macro expansion and spelling pos is identical for file locs.
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OS << PLoc.getFilename() << ':' << PLoc.getLine()
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<< ':' << PLoc.getColumn();
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return;
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}
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SM.getExpansionLoc(*this).print(OS, SM);
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OS << " <Spelling=";
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SM.getSpellingLoc(*this).print(OS, SM);
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OS << '>';
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}
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LLVM_DUMP_METHOD std::string
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SourceLocation::printToString(const SourceManager &SM) const {
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std::string S;
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llvm::raw_string_ostream OS(S);
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print(OS, SM);
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return OS.str();
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}
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LLVM_DUMP_METHOD void SourceLocation::dump(const SourceManager &SM) const {
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print(llvm::errs(), SM);
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}
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//===----------------------------------------------------------------------===//
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// FullSourceLoc
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//===----------------------------------------------------------------------===//
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FileID FullSourceLoc::getFileID() const {
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assert(isValid());
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return SrcMgr->getFileID(*this);
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}
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FullSourceLoc FullSourceLoc::getExpansionLoc() const {
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assert(isValid());
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return FullSourceLoc(SrcMgr->getExpansionLoc(*this), *SrcMgr);
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}
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FullSourceLoc FullSourceLoc::getSpellingLoc() const {
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assert(isValid());
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return FullSourceLoc(SrcMgr->getSpellingLoc(*this), *SrcMgr);
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}
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unsigned FullSourceLoc::getExpansionLineNumber(bool *Invalid) const {
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assert(isValid());
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return SrcMgr->getExpansionLineNumber(*this, Invalid);
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}
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unsigned FullSourceLoc::getExpansionColumnNumber(bool *Invalid) const {
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assert(isValid());
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return SrcMgr->getExpansionColumnNumber(*this, Invalid);
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}
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unsigned FullSourceLoc::getSpellingLineNumber(bool *Invalid) const {
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assert(isValid());
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return SrcMgr->getSpellingLineNumber(*this, Invalid);
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}
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unsigned FullSourceLoc::getSpellingColumnNumber(bool *Invalid) const {
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assert(isValid());
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return SrcMgr->getSpellingColumnNumber(*this, Invalid);
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}
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bool FullSourceLoc::isInSystemHeader() const {
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assert(isValid());
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return SrcMgr->isInSystemHeader(*this);
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}
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bool FullSourceLoc::isBeforeInTranslationUnitThan(SourceLocation Loc) const {
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assert(isValid());
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return SrcMgr->isBeforeInTranslationUnit(*this, Loc);
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}
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LLVM_DUMP_METHOD void FullSourceLoc::dump() const {
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SourceLocation::dump(*SrcMgr);
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}
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const char *FullSourceLoc::getCharacterData(bool *Invalid) const {
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assert(isValid());
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return SrcMgr->getCharacterData(*this, Invalid);
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}
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const llvm::MemoryBuffer* FullSourceLoc::getBuffer(bool *Invalid) const {
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assert(isValid());
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return SrcMgr->getBuffer(SrcMgr->getFileID(*this), Invalid);
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}
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StringRef FullSourceLoc::getBufferData(bool *Invalid) const {
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return getBuffer(Invalid)->getBuffer();
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}
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std::pair<FileID, unsigned> FullSourceLoc::getDecomposedLoc() const {
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return SrcMgr->getDecomposedLoc(*this);
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}
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