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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