xref: /aosp_15_r20/external/clang/lib/Basic/SourceLocation.cpp (revision 67e74705e28f6214e480b399dd47ea732279e315)
1  //==--- SourceLocation.cpp - Compact identifier for Source Files -*- C++ -*-==//
2  //
3  //                     The LLVM Compiler Infrastructure
4  //
5  // This file is distributed under the University of Illinois Open Source
6  // License. See LICENSE.TXT for details.
7  //
8  //===----------------------------------------------------------------------===//
9  //
10  //  This file defines accessor methods for the FullSourceLoc class.
11  //
12  //===----------------------------------------------------------------------===//
13  
14  #include "clang/Basic/SourceLocation.h"
15  #include "clang/Basic/PrettyStackTrace.h"
16  #include "clang/Basic/SourceManager.h"
17  #include "llvm/Support/MemoryBuffer.h"
18  #include "llvm/Support/raw_ostream.h"
19  #include <cstdio>
20  using namespace clang;
21  
22  //===----------------------------------------------------------------------===//
23  // PrettyStackTraceLoc
24  //===----------------------------------------------------------------------===//
25  
print(raw_ostream & OS) const26  void PrettyStackTraceLoc::print(raw_ostream &OS) const {
27    if (Loc.isValid()) {
28      Loc.print(OS, SM);
29      OS << ": ";
30    }
31    OS << Message << '\n';
32  }
33  
34  //===----------------------------------------------------------------------===//
35  // SourceLocation
36  //===----------------------------------------------------------------------===//
37  
print(raw_ostream & OS,const SourceManager & SM) const38  void SourceLocation::print(raw_ostream &OS, const SourceManager &SM)const{
39    if (!isValid()) {
40      OS << "<invalid loc>";
41      return;
42    }
43  
44    if (isFileID()) {
45      PresumedLoc PLoc = SM.getPresumedLoc(*this);
46  
47      if (PLoc.isInvalid()) {
48        OS << "<invalid>";
49        return;
50      }
51      // The macro expansion and spelling pos is identical for file locs.
52      OS << PLoc.getFilename() << ':' << PLoc.getLine()
53         << ':' << PLoc.getColumn();
54      return;
55    }
56  
57    SM.getExpansionLoc(*this).print(OS, SM);
58  
59    OS << " <Spelling=";
60    SM.getSpellingLoc(*this).print(OS, SM);
61    OS << '>';
62  }
63  
64  LLVM_DUMP_METHOD std::string
printToString(const SourceManager & SM) const65  SourceLocation::printToString(const SourceManager &SM) const {
66    std::string S;
67    llvm::raw_string_ostream OS(S);
68    print(OS, SM);
69    return OS.str();
70  }
71  
dump(const SourceManager & SM) const72  LLVM_DUMP_METHOD void SourceLocation::dump(const SourceManager &SM) const {
73    print(llvm::errs(), SM);
74  }
75  
76  //===----------------------------------------------------------------------===//
77  // FullSourceLoc
78  //===----------------------------------------------------------------------===//
79  
getFileID() const80  FileID FullSourceLoc::getFileID() const {
81    assert(isValid());
82    return SrcMgr->getFileID(*this);
83  }
84  
85  
getExpansionLoc() const86  FullSourceLoc FullSourceLoc::getExpansionLoc() const {
87    assert(isValid());
88    return FullSourceLoc(SrcMgr->getExpansionLoc(*this), *SrcMgr);
89  }
90  
getSpellingLoc() const91  FullSourceLoc FullSourceLoc::getSpellingLoc() const {
92    assert(isValid());
93    return FullSourceLoc(SrcMgr->getSpellingLoc(*this), *SrcMgr);
94  }
95  
getExpansionLineNumber(bool * Invalid) const96  unsigned FullSourceLoc::getExpansionLineNumber(bool *Invalid) const {
97    assert(isValid());
98    return SrcMgr->getExpansionLineNumber(*this, Invalid);
99  }
100  
getExpansionColumnNumber(bool * Invalid) const101  unsigned FullSourceLoc::getExpansionColumnNumber(bool *Invalid) const {
102    assert(isValid());
103    return SrcMgr->getExpansionColumnNumber(*this, Invalid);
104  }
105  
getSpellingLineNumber(bool * Invalid) const106  unsigned FullSourceLoc::getSpellingLineNumber(bool *Invalid) const {
107    assert(isValid());
108    return SrcMgr->getSpellingLineNumber(*this, Invalid);
109  }
110  
getSpellingColumnNumber(bool * Invalid) const111  unsigned FullSourceLoc::getSpellingColumnNumber(bool *Invalid) const {
112    assert(isValid());
113    return SrcMgr->getSpellingColumnNumber(*this, Invalid);
114  }
115  
isInSystemHeader() const116  bool FullSourceLoc::isInSystemHeader() const {
117    assert(isValid());
118    return SrcMgr->isInSystemHeader(*this);
119  }
120  
isBeforeInTranslationUnitThan(SourceLocation Loc) const121  bool FullSourceLoc::isBeforeInTranslationUnitThan(SourceLocation Loc) const {
122    assert(isValid());
123    return SrcMgr->isBeforeInTranslationUnit(*this, Loc);
124  }
125  
dump() const126  LLVM_DUMP_METHOD void FullSourceLoc::dump() const {
127    SourceLocation::dump(*SrcMgr);
128  }
129  
getCharacterData(bool * Invalid) const130  const char *FullSourceLoc::getCharacterData(bool *Invalid) const {
131    assert(isValid());
132    return SrcMgr->getCharacterData(*this, Invalid);
133  }
134  
getBufferData(bool * Invalid) const135  StringRef FullSourceLoc::getBufferData(bool *Invalid) const {
136    assert(isValid());
137    return SrcMgr->getBuffer(SrcMgr->getFileID(*this), Invalid)->getBuffer();
138  }
139  
getDecomposedLoc() const140  std::pair<FileID, unsigned> FullSourceLoc::getDecomposedLoc() const {
141    return SrcMgr->getDecomposedLoc(*this);
142  }
143