forked from OSchip/llvm-project
273 lines
7.8 KiB
C++
273 lines
7.8 KiB
C++
//===- SourceLocation.cpp - Compact identifier for Source Files -----------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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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/LLVM.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/ADT/DenseMapInfo.h"
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#include "llvm/ADT/FoldingSet.h"
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#include "llvm/ADT/StringRef.h"
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#include "llvm/Support/Compiler.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 <cassert>
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#include <string>
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#include <utility>
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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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static_assert(std::is_trivially_destructible<SourceLocation>::value,
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"SourceLocation must be trivially destructible because it is "
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"used in unions");
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static_assert(std::is_trivially_destructible<SourceRange>::value,
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"SourceRange must be trivially destructible because it is "
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"used in unions");
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unsigned SourceLocation::getHashValue() const {
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return llvm::DenseMapInfo<UIntTy>::getHashValue(ID);
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}
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void llvm::FoldingSetTrait<SourceLocation>::Profile(
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const SourceLocation &X, llvm::FoldingSetNodeID &ID) {
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ID.AddInteger(X.ID);
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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 S;
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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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llvm::errs() << '\n';
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}
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LLVM_DUMP_METHOD void SourceRange::dump(const SourceManager &SM) const {
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print(llvm::errs(), SM);
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llvm::errs() << '\n';
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}
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static PresumedLoc PrintDifference(raw_ostream &OS, const SourceManager &SM,
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SourceLocation Loc, PresumedLoc Previous) {
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if (Loc.isFileID()) {
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PresumedLoc PLoc = SM.getPresumedLoc(Loc);
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if (PLoc.isInvalid()) {
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OS << "<invalid sloc>";
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return Previous;
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}
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if (Previous.isInvalid() ||
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strcmp(PLoc.getFilename(), Previous.getFilename()) != 0) {
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OS << PLoc.getFilename() << ':' << PLoc.getLine() << ':'
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<< PLoc.getColumn();
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} else if (Previous.isInvalid() || PLoc.getLine() != Previous.getLine()) {
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OS << "line" << ':' << PLoc.getLine() << ':' << PLoc.getColumn();
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} else {
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OS << "col" << ':' << PLoc.getColumn();
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}
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return PLoc;
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}
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auto PrintedLoc = PrintDifference(OS, SM, SM.getExpansionLoc(Loc), Previous);
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OS << " <Spelling=";
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PrintedLoc = PrintDifference(OS, SM, SM.getSpellingLoc(Loc), PrintedLoc);
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OS << '>';
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return PrintedLoc;
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}
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void SourceRange::print(raw_ostream &OS, const SourceManager &SM) const {
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OS << '<';
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auto PrintedLoc = PrintDifference(OS, SM, B, {});
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if (B != E) {
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OS << ", ";
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PrintDifference(OS, SM, E, PrintedLoc);
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}
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OS << '>';
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}
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LLVM_DUMP_METHOD std::string
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SourceRange::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 S;
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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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FullSourceLoc FullSourceLoc::getFileLoc() const {
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assert(isValid());
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return FullSourceLoc(SrcMgr->getFileLoc(*this), *SrcMgr);
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}
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PresumedLoc FullSourceLoc::getPresumedLoc(bool UseLineDirectives) const {
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if (!isValid())
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return PresumedLoc();
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return SrcMgr->getPresumedLoc(*this, UseLineDirectives);
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}
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bool FullSourceLoc::isMacroArgExpansion(FullSourceLoc *StartLoc) const {
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assert(isValid());
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return SrcMgr->isMacroArgExpansion(*this, StartLoc);
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}
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FullSourceLoc FullSourceLoc::getImmediateMacroCallerLoc() const {
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assert(isValid());
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return FullSourceLoc(SrcMgr->getImmediateMacroCallerLoc(*this), *SrcMgr);
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}
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std::pair<FullSourceLoc, StringRef> FullSourceLoc::getModuleImportLoc() const {
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if (!isValid())
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return std::make_pair(FullSourceLoc(), StringRef());
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std::pair<SourceLocation, StringRef> ImportLoc =
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SrcMgr->getModuleImportLoc(*this);
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return std::make_pair(FullSourceLoc(ImportLoc.first, *SrcMgr),
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ImportLoc.second);
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}
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unsigned FullSourceLoc::getFileOffset() const {
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assert(isValid());
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return SrcMgr->getFileOffset(*this);
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}
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unsigned FullSourceLoc::getLineNumber(bool *Invalid) const {
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assert(isValid());
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return SrcMgr->getLineNumber(getFileID(), getFileOffset(), Invalid);
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}
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unsigned FullSourceLoc::getColumnNumber(bool *Invalid) const {
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assert(isValid());
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return SrcMgr->getColumnNumber(getFileID(), getFileOffset(), Invalid);
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}
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const FileEntry *FullSourceLoc::getFileEntry() const {
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assert(isValid());
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return SrcMgr->getFileEntryForID(getFileID());
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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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StringRef FullSourceLoc::getBufferData(bool *Invalid) const {
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assert(isValid());
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return SrcMgr->getBufferData(SrcMgr->getFileID(*this), Invalid);
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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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