SourceLocation.cpp revision 218893 
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>
20using namespace clang;
21
22//===----------------------------------------------------------------------===//
23// PrettyStackTraceLoc
24//===----------------------------------------------------------------------===//
25
26void PrettyStackTraceLoc::print(llvm::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
38void SourceLocation::print(llvm::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 instantiation and spelling pos is identical for file locs.
52    OS << PLoc.getFilename() << ':' << PLoc.getLine()
53       << ':' << PLoc.getColumn();
54    return;
55  }
56
57  SM.getInstantiationLoc(*this).print(OS, SM);
58
59  OS << " <Spelling=";
60  SM.getSpellingLoc(*this).print(OS, SM);
61  OS << '>';
62}
63
64void SourceLocation::dump(const SourceManager &SM) const {
65  print(llvm::errs(), SM);
66}
67
68//===----------------------------------------------------------------------===//
69// FullSourceLoc
70//===----------------------------------------------------------------------===//
71
72FileID FullSourceLoc::getFileID() const {
73  assert(isValid());
74  return SrcMgr->getFileID(*this);
75}
76
77
78FullSourceLoc FullSourceLoc::getInstantiationLoc() const {
79  assert(isValid());
80  return FullSourceLoc(SrcMgr->getInstantiationLoc(*this), *SrcMgr);
81}
82
83FullSourceLoc FullSourceLoc::getSpellingLoc() const {
84  assert(isValid());
85  return FullSourceLoc(SrcMgr->getSpellingLoc(*this), *SrcMgr);
86}
87
88unsigned FullSourceLoc::getInstantiationLineNumber(bool *Invalid) const {
89  assert(isValid());
90  return SrcMgr->getInstantiationLineNumber(*this, Invalid);
91}
92
93unsigned FullSourceLoc::getInstantiationColumnNumber(bool *Invalid) const {
94  assert(isValid());
95  return SrcMgr->getInstantiationColumnNumber(*this, Invalid);
96}
97
98unsigned FullSourceLoc::getSpellingLineNumber(bool *Invalid) const {
99  assert(isValid());
100  return SrcMgr->getSpellingLineNumber(*this, Invalid);
101}
102
103unsigned FullSourceLoc::getSpellingColumnNumber(bool *Invalid) const {
104  assert(isValid());
105  return SrcMgr->getSpellingColumnNumber(*this, Invalid);
106}
107
108bool FullSourceLoc::isInSystemHeader() const {
109  assert(isValid());
110  return SrcMgr->isInSystemHeader(*this);
111}
112
113bool FullSourceLoc::isBeforeInTranslationUnitThan(SourceLocation Loc) const {
114  assert(isValid());
115  return SrcMgr->isBeforeInTranslationUnit(*this, Loc);
116}
117
118const char *FullSourceLoc::getCharacterData(bool *Invalid) const {
119  assert(isValid());
120  return SrcMgr->getCharacterData(*this, Invalid);
121}
122
123const llvm::MemoryBuffer* FullSourceLoc::getBuffer(bool *Invalid) const {
124  assert(isValid());
125  return SrcMgr->getBuffer(SrcMgr->getFileID(*this), Invalid);
126}
127
128llvm::StringRef FullSourceLoc::getBufferData(bool *Invalid) const {
129  return getBuffer(Invalid)->getBuffer();
130}
131
132std::pair<FileID, unsigned> FullSourceLoc::getDecomposedLoc() const {
133  return SrcMgr->getDecomposedLoc(*this);
134}
135