CXStoredDiagnostic.cpp revision e8cf7d143446c45568bb7c9a6fbd8f32ca6ae93e 
1/*===-- CXStoreDiagnostic.cpp - Diagnostics C Interface ----------*- 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|* Implements part of the diagnostic functions of the Clang C interface.      *|
11|*                                                                            *|
12\*===----------------------------------------------------------------------===*/
13
14#include "CIndexDiagnostic.h"
15#include "CIndexer.h"
16#include "CXTranslationUnit.h"
17#include "CXSourceLocation.h"
18#include "CXString.h"
19
20#include "clang/Frontend/ASTUnit.h"
21#include "clang/Frontend/FrontendDiagnostic.h"
22#include "llvm/ADT/SmallString.h"
23#include "llvm/ADT/Twine.h"
24#include "llvm/Support/MemoryBuffer.h"
25#include "llvm/Support/raw_ostream.h"
26
27using namespace clang;
28using namespace clang::cxloc;
29using namespace clang::cxstring;
30
31CXDiagnosticSeverity CXStoredDiagnostic::getSeverity() const {
32  switch (Diag.getLevel()) {
33    case DiagnosticsEngine::Ignored: return CXDiagnostic_Ignored;
34    case DiagnosticsEngine::Note:    return CXDiagnostic_Note;
35    case DiagnosticsEngine::Warning: return CXDiagnostic_Warning;
36    case DiagnosticsEngine::Error:   return CXDiagnostic_Error;
37    case DiagnosticsEngine::Fatal:   return CXDiagnostic_Fatal;
38  }
39
40  llvm_unreachable("Invalid diagnostic level");
41}
42
43CXSourceLocation CXStoredDiagnostic::getLocation() const {
44  if (Diag.getLocation().isInvalid())
45    return clang_getNullLocation();
46
47  return translateSourceLocation(Diag.getLocation().getManager(),
48                                 LangOpts, Diag.getLocation());
49}
50
51CXString CXStoredDiagnostic::getSpelling() const {
52  return createCXString(Diag.getMessage(), false);
53}
54
55CXString CXStoredDiagnostic::getDiagnosticOption(CXString *Disable) const {
56  unsigned ID = Diag.getID();
57  StringRef Option = DiagnosticIDs::getWarningOptionForDiag(ID);
58  if (!Option.empty()) {
59    if (Disable)
60      *Disable = createCXString((Twine("-Wno-") + Option).str());
61    return createCXString((Twine("-W") + Option).str());
62  }
63
64  if (ID == diag::fatal_too_many_errors) {
65    if (Disable)
66      *Disable = createCXString("-ferror-limit=0");
67    return createCXString("-ferror-limit=");
68  }
69
70  return createCXString("");
71}
72
73unsigned CXStoredDiagnostic::getCategory() const {
74  return DiagnosticIDs::getCategoryNumberForDiag(Diag.getID());
75}
76
77CXString CXStoredDiagnostic::getCategoryText() const {
78  unsigned catID = DiagnosticIDs::getCategoryNumberForDiag(Diag.getID());
79  return createCXString(DiagnosticIDs::getCategoryNameFromID(catID));
80}
81
82unsigned CXStoredDiagnostic::getNumRanges() const {
83  if (Diag.getLocation().isInvalid())
84    return 0;
85
86  return Diag.range_size();
87}
88
89CXSourceRange CXStoredDiagnostic::getRange(unsigned int Range) const {
90  assert(Diag.getLocation().isValid());
91  return translateSourceRange(Diag.getLocation().getManager(),
92                              LangOpts,
93                              Diag.range_begin()[Range]);
94}
95
96unsigned CXStoredDiagnostic::getNumFixIts() const {
97  if (Diag.getLocation().isInvalid())
98    return 0;
99  return Diag.fixit_size();
100}
101
102CXString CXStoredDiagnostic::getFixIt(unsigned FixIt,
103                                      CXSourceRange *ReplacementRange) const {
104  const FixItHint &Hint = Diag.fixit_begin()[FixIt];
105  if (ReplacementRange) {
106    // Create a range that covers the entire replacement (or
107    // removal) range, adjusting the end of the range to point to
108    // the end of the token.
109    *ReplacementRange = translateSourceRange(Diag.getLocation().getManager(),
110                                             LangOpts, Hint.RemoveRange);
111  }
112  return createCXString(Hint.CodeToInsert);
113}
114
115