1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
|
/*===-- CIndexDiagnostics.cpp - Diagnostics C Interface -----------*- C -*-===*\
|* *|
|* The LLVM Compiler Infrastructure *|
|* *|
|* This file is distributed under the University of Illinois Open Source *|
|* License. See LICENSE.TXT for details. *|
|* *|
|*===----------------------------------------------------------------------===*|
|* *|
|* Implements the diagnostic functions of the Clang C interface. *|
|* *|
\*===----------------------------------------------------------------------===*/
#include "CIndexDiagnostic.h"
#include "CIndexer.h"
#include "CXSourceLocation.h"
#include "clang/Frontend/FrontendDiagnostic.h"
#include "llvm/Support/MemoryBuffer.h"
using namespace clang;
using namespace clang::cxloc;
//-----------------------------------------------------------------------------
// Opaque data structures
//-----------------------------------------------------------------------------
namespace {
/// \brief The storage behind a CXDiagnostic
struct CXStoredDiagnostic {
/// \brief The translation unit this diagnostic came from.
const LangOptions *LangOptsPtr;
/// \brief The severity level of this diagnostic.
Diagnostic::Level Level;
/// \brief A reference to the diagnostic information.
const DiagnosticInfo &Info;
};
}
//-----------------------------------------------------------------------------
// CIndex Diagnostic Client
//-----------------------------------------------------------------------------
CIndexDiagnosticClient::~CIndexDiagnosticClient() { }
void CIndexDiagnosticClient::BeginSourceFile(const LangOptions &LangOpts,
const Preprocessor *PP) {
assert(!LangOptsPtr && "Invalid state!");
LangOptsPtr = &LangOpts;
}
void CIndexDiagnosticClient::EndSourceFile() {
assert(LangOptsPtr && "Invalid state!");
LangOptsPtr = 0;
}
void CIndexDiagnosticClient::HandleDiagnostic(Diagnostic::Level DiagLevel,
const DiagnosticInfo &Info) {
if (!Callback)
return;
assert((LangOptsPtr || Info.getLocation().isInvalid()) &&
"Missing language options with located diagnostic!");
CXStoredDiagnostic Stored = { this->LangOptsPtr, DiagLevel, Info };
Callback(&Stored, ClientData);
}
//-----------------------------------------------------------------------------
// C Interface Routines
//-----------------------------------------------------------------------------
extern "C" {
enum CXDiagnosticSeverity clang_getDiagnosticSeverity(CXDiagnostic Diag) {
CXStoredDiagnostic *StoredDiag = static_cast<CXStoredDiagnostic *>(Diag);
if (!StoredDiag)
return CXDiagnostic_Ignored;
switch (StoredDiag->Level) {
case Diagnostic::Ignored: return CXDiagnostic_Ignored;
case Diagnostic::Note: return CXDiagnostic_Note;
case Diagnostic::Warning: return CXDiagnostic_Warning;
case Diagnostic::Error: return CXDiagnostic_Error;
case Diagnostic::Fatal: return CXDiagnostic_Fatal;
}
llvm_unreachable("Invalid diagnostic level");
return CXDiagnostic_Ignored;
}
CXSourceLocation clang_getDiagnosticLocation(CXDiagnostic Diag) {
CXStoredDiagnostic *StoredDiag = static_cast<CXStoredDiagnostic *>(Diag);
if (!StoredDiag || StoredDiag->Info.getLocation().isInvalid())
return clang_getNullLocation();
return translateSourceLocation(StoredDiag->Info.getLocation().getManager(),
*StoredDiag->LangOptsPtr,
StoredDiag->Info.getLocation());
}
CXString clang_getDiagnosticSpelling(CXDiagnostic Diag) {
CXStoredDiagnostic *StoredDiag = static_cast<CXStoredDiagnostic *>(Diag);
if (!StoredDiag)
return CIndexer::createCXString("");
llvm::SmallString<64> Spelling;
StoredDiag->Info.FormatDiagnostic(Spelling);
return CIndexer::createCXString(Spelling.str(), true);
}
unsigned clang_getDiagnosticNumRanges(CXDiagnostic Diag) {
CXStoredDiagnostic *StoredDiag = static_cast<CXStoredDiagnostic *>(Diag);
if (!StoredDiag || StoredDiag->Info.getLocation().isInvalid())
return 0;
return StoredDiag->Info.getNumRanges();
}
CXSourceRange clang_getDiagnosticRange(CXDiagnostic Diag, unsigned Range) {
CXStoredDiagnostic *StoredDiag = static_cast<CXStoredDiagnostic *>(Diag);
if (!StoredDiag || Range >= StoredDiag->Info.getNumRanges() ||
StoredDiag->Info.getLocation().isInvalid())
return clang_getNullRange();
return translateSourceRange(StoredDiag->Info.getLocation().getManager(),
*StoredDiag->LangOptsPtr,
StoredDiag->Info.getRange(Range));
}
unsigned clang_getDiagnosticNumFixIts(CXDiagnostic Diag) {
CXStoredDiagnostic *StoredDiag = static_cast<CXStoredDiagnostic *>(Diag);
if (!StoredDiag)
return 0;
return StoredDiag->Info.getNumCodeModificationHints();
}
enum CXFixItKind clang_getDiagnosticFixItKind(CXDiagnostic Diag,
unsigned FixIt) {
CXStoredDiagnostic *StoredDiag = static_cast<CXStoredDiagnostic *>(Diag);
if (!StoredDiag || FixIt >= StoredDiag->Info.getNumCodeModificationHints())
return CXFixIt_Insertion;
const CodeModificationHint &Hint
= StoredDiag->Info.getCodeModificationHint(FixIt);
if (Hint.RemoveRange.isInvalid())
return CXFixIt_Insertion;
if (Hint.InsertionLoc.isInvalid())
return CXFixIt_Removal;
return CXFixIt_Replacement;
}
CXString clang_getDiagnosticFixItInsertion(CXDiagnostic Diag,
unsigned FixIt,
CXSourceLocation *Location) {
if (Location)
*Location = clang_getNullLocation();
CXStoredDiagnostic *StoredDiag = static_cast<CXStoredDiagnostic *>(Diag);
if (!StoredDiag || FixIt >= StoredDiag->Info.getNumCodeModificationHints())
return CIndexer::createCXString("");
const CodeModificationHint &Hint
= StoredDiag->Info.getCodeModificationHint(FixIt);
if (Location && StoredDiag->Info.getLocation().isValid())
*Location = translateSourceLocation(
StoredDiag->Info.getLocation().getManager(),
*StoredDiag->LangOptsPtr,
Hint.InsertionLoc);
return CIndexer::createCXString(Hint.CodeToInsert);
}
CXSourceRange clang_getDiagnosticFixItRemoval(CXDiagnostic Diag,
unsigned FixIt) {
CXStoredDiagnostic *StoredDiag = static_cast<CXStoredDiagnostic *>(Diag);
if (!StoredDiag || FixIt >= StoredDiag->Info.getNumCodeModificationHints() ||
StoredDiag->Info.getLocation().isInvalid())
return clang_getNullRange();
const CodeModificationHint &Hint
= StoredDiag->Info.getCodeModificationHint(FixIt);
return translateSourceRange(StoredDiag->Info.getLocation().getManager(),
*StoredDiag->LangOptsPtr,
Hint.RemoveRange);
}
CXString clang_getDiagnosticFixItReplacement(CXDiagnostic Diag,
unsigned FixIt,
CXSourceRange *Range) {
if (Range)
*Range = clang_getNullRange();
CXStoredDiagnostic *StoredDiag = static_cast<CXStoredDiagnostic *>(Diag);
if (!StoredDiag || FixIt >= StoredDiag->Info.getNumCodeModificationHints() ||
StoredDiag->Info.getLocation().isInvalid()) {
if (Range)
*Range = clang_getNullRange();
return CIndexer::createCXString("");
}
const CodeModificationHint &Hint
= StoredDiag->Info.getCodeModificationHint(FixIt);
if (Range)
*Range = translateSourceRange(StoredDiag->Info.getLocation().getManager(),
*StoredDiag->LangOptsPtr,
Hint.RemoveRange);
return CIndexer::createCXString(Hint.CodeToInsert);
}
} // end extern "C"
void clang::ReportSerializedDiagnostics(const llvm::sys::Path &DiagnosticsPath,
Diagnostic &Diags,
unsigned num_unsaved_files,
struct CXUnsavedFile *unsaved_files,
const LangOptions &LangOpts) {
using llvm::MemoryBuffer;
using llvm::StringRef;
MemoryBuffer *F = MemoryBuffer::getFile(DiagnosticsPath.c_str());
if (!F)
return;
// Enter the unsaved files into the file manager.
SourceManager SourceMgr;
FileManager FileMgr;
for (unsigned I = 0; I != num_unsaved_files; ++I) {
const FileEntry *File = FileMgr.getVirtualFile(unsaved_files[I].Filename,
unsaved_files[I].Length,
0);
if (!File) {
Diags.Report(diag::err_fe_remap_missing_from_file)
<< unsaved_files[I].Filename;
return;
}
MemoryBuffer *Buffer
= MemoryBuffer::getMemBuffer(unsaved_files[I].Contents,
unsaved_files[I].Contents + unsaved_files[I].Length);
if (!Buffer)
return;
SourceMgr.overrideFileContents(File, Buffer);
}
Diags.getClient()->BeginSourceFile(LangOpts, 0);
// Parse the diagnostics, emitting them one by one until we've
// exhausted the data.
StringRef Buffer = F->getBuffer();
const char *Memory = Buffer.data(), *MemoryEnd = Memory + Buffer.size();
while (Memory != MemoryEnd) {
DiagnosticBuilder DB = Diags.Deserialize(FileMgr, SourceMgr,
Memory, MemoryEnd);
if (!DB.isActive())
return;
}
Diags.getClient()->EndSourceFile();
}
|
