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13 | #include "CIndexDiagnostic.h" |
14 | #include "CIndexer.h" |
15 | #include "CXTranslationUnit.h" |
16 | #include "CXSourceLocation.h" |
17 | #include "CXString.h" |
18 | |
19 | #include "clang/Basic/DiagnosticOptions.h" |
20 | #include "clang/Frontend/ASTUnit.h" |
21 | #include "clang/Frontend/DiagnosticRenderer.h" |
22 | #include "llvm/ADT/SmallString.h" |
23 | #include "llvm/Support/raw_ostream.h" |
24 | |
25 | using namespace clang; |
26 | using namespace clang::cxloc; |
27 | using namespace clang::cxdiag; |
28 | using namespace llvm; |
29 | |
30 | CXDiagnosticSetImpl::~CXDiagnosticSetImpl() {} |
31 | |
32 | void |
33 | CXDiagnosticSetImpl::appendDiagnostic(std::unique_ptr<CXDiagnosticImpl> D) { |
34 | Diagnostics.push_back(std::move(D)); |
35 | } |
36 | |
37 | CXDiagnosticImpl::~CXDiagnosticImpl() {} |
38 | |
39 | namespace { |
40 | class CXDiagnosticCustomNoteImpl : public CXDiagnosticImpl { |
41 | std::string Message; |
42 | CXSourceLocation Loc; |
43 | public: |
44 | CXDiagnosticCustomNoteImpl(StringRef Msg, CXSourceLocation L) |
45 | : CXDiagnosticImpl(CustomNoteDiagnosticKind), |
46 | Message(Msg), Loc(L) {} |
47 | |
48 | ~CXDiagnosticCustomNoteImpl() override {} |
49 | |
50 | CXDiagnosticSeverity getSeverity() const override { |
51 | return CXDiagnostic_Note; |
52 | } |
53 | |
54 | CXSourceLocation getLocation() const override { |
55 | return Loc; |
56 | } |
57 | |
58 | CXString getSpelling() const override { |
59 | return cxstring::createRef(Message.c_str()); |
60 | } |
61 | |
62 | CXString getDiagnosticOption(CXString *Disable) const override { |
63 | if (Disable) |
64 | *Disable = cxstring::createEmpty(); |
65 | return cxstring::createEmpty(); |
66 | } |
67 | |
68 | unsigned getCategory() const override { return 0; } |
69 | CXString getCategoryText() const override { return cxstring::createEmpty(); } |
70 | |
71 | unsigned getNumRanges() const override { return 0; } |
72 | CXSourceRange getRange(unsigned Range) const override { |
73 | return clang_getNullRange(); |
74 | } |
75 | unsigned getNumFixIts() const override { return 0; } |
76 | CXString getFixIt(unsigned FixIt, |
77 | CXSourceRange *ReplacementRange) const override { |
78 | if (ReplacementRange) |
79 | *ReplacementRange = clang_getNullRange(); |
80 | return cxstring::createEmpty(); |
81 | } |
82 | }; |
83 | |
84 | class CXDiagnosticRenderer : public DiagnosticNoteRenderer { |
85 | public: |
86 | CXDiagnosticRenderer(const LangOptions &LangOpts, |
87 | DiagnosticOptions *DiagOpts, |
88 | CXDiagnosticSetImpl *mainSet) |
89 | : DiagnosticNoteRenderer(LangOpts, DiagOpts), |
90 | CurrentSet(mainSet), MainSet(mainSet) {} |
91 | |
92 | ~CXDiagnosticRenderer() override {} |
93 | |
94 | void beginDiagnostic(DiagOrStoredDiag D, |
95 | DiagnosticsEngine::Level Level) override { |
96 | |
97 | const StoredDiagnostic *SD = D.dyn_cast<const StoredDiagnostic*>(); |
98 | if (!SD) |
99 | return; |
100 | |
101 | if (Level != DiagnosticsEngine::Note) |
102 | CurrentSet = MainSet; |
103 | |
104 | auto Owner = llvm::make_unique<CXStoredDiagnostic>(*SD, LangOpts); |
105 | CXStoredDiagnostic &CD = *Owner; |
106 | CurrentSet->appendDiagnostic(std::move(Owner)); |
107 | |
108 | if (Level != DiagnosticsEngine::Note) |
109 | CurrentSet = &CD.getChildDiagnostics(); |
110 | } |
111 | |
112 | void emitDiagnosticMessage(FullSourceLoc Loc, PresumedLoc PLoc, |
113 | DiagnosticsEngine::Level Level, StringRef Message, |
114 | ArrayRef<CharSourceRange> Ranges, |
115 | DiagOrStoredDiag D) override { |
116 | if (!D.isNull()) |
117 | return; |
118 | |
119 | CXSourceLocation L; |
120 | if (Loc.hasManager()) |
121 | L = translateSourceLocation(Loc.getManager(), LangOpts, Loc); |
122 | else |
123 | L = clang_getNullLocation(); |
124 | CurrentSet->appendDiagnostic( |
125 | llvm::make_unique<CXDiagnosticCustomNoteImpl>(Message, L)); |
126 | } |
127 | |
128 | void emitDiagnosticLoc(FullSourceLoc Loc, PresumedLoc PLoc, |
129 | DiagnosticsEngine::Level Level, |
130 | ArrayRef<CharSourceRange> Ranges) override {} |
131 | |
132 | void emitCodeContext(FullSourceLoc Loc, DiagnosticsEngine::Level Level, |
133 | SmallVectorImpl<CharSourceRange> &Ranges, |
134 | ArrayRef<FixItHint> Hints) override {} |
135 | |
136 | void emitNote(FullSourceLoc Loc, StringRef Message) override { |
137 | CXSourceLocation L; |
138 | if (Loc.hasManager()) |
139 | L = translateSourceLocation(Loc.getManager(), LangOpts, Loc); |
140 | else |
141 | L = clang_getNullLocation(); |
142 | CurrentSet->appendDiagnostic( |
143 | llvm::make_unique<CXDiagnosticCustomNoteImpl>(Message, L)); |
144 | } |
145 | |
146 | CXDiagnosticSetImpl *CurrentSet; |
147 | CXDiagnosticSetImpl *MainSet; |
148 | }; |
149 | } |
150 | |
151 | CXDiagnosticSetImpl *cxdiag::lazyCreateDiags(CXTranslationUnit TU, |
152 | bool checkIfChanged) { |
153 | ASTUnit *AU = cxtu::getASTUnit(TU); |
154 | |
155 | if (TU->Diagnostics && checkIfChanged) { |
156 | |
157 | |
158 | |
159 | |
160 | |
161 | |
162 | |
163 | |
164 | |
165 | |
166 | |
167 | |
168 | |
169 | |
170 | |
171 | |
172 | |
173 | CXDiagnosticSetImpl * |
174 | Set = static_cast<CXDiagnosticSetImpl*>(TU->Diagnostics); |
175 | if (AU->stored_diag_size() != Set->getNumDiagnostics()) { |
176 | |
177 | |
178 | delete Set; |
179 | TU->Diagnostics = nullptr; |
180 | } |
181 | } |
182 | |
183 | if (!TU->Diagnostics) { |
184 | CXDiagnosticSetImpl *Set = new CXDiagnosticSetImpl(); |
185 | TU->Diagnostics = Set; |
186 | IntrusiveRefCntPtr<DiagnosticOptions> DOpts = new DiagnosticOptions; |
187 | CXDiagnosticRenderer Renderer(AU->getASTContext().getLangOpts(), |
188 | &*DOpts, Set); |
189 | |
190 | for (ASTUnit::stored_diag_iterator it = AU->stored_diag_begin(), |
191 | ei = AU->stored_diag_end(); it != ei; ++it) { |
192 | Renderer.emitStoredDiagnostic(*it); |
193 | } |
194 | } |
195 | return static_cast<CXDiagnosticSetImpl*>(TU->Diagnostics); |
196 | } |
197 | |
198 | |
199 | |
200 | |
201 | unsigned clang_getNumDiagnostics(CXTranslationUnit Unit) { |
202 | if (cxtu::isNotUsableTU(Unit)) { |
203 | LOG_BAD_TU(Unit); |
204 | return 0; |
205 | } |
206 | if (!cxtu::getASTUnit(Unit)) |
207 | return 0; |
208 | return lazyCreateDiags(Unit, )->getNumDiagnostics(); |
209 | } |
210 | |
211 | CXDiagnostic clang_getDiagnostic(CXTranslationUnit Unit, unsigned Index) { |
212 | if (cxtu::isNotUsableTU(Unit)) { |
213 | LOG_BAD_TU(Unit); |
214 | return nullptr; |
215 | } |
216 | |
217 | CXDiagnosticSet D = clang_getDiagnosticSetFromTU(Unit); |
218 | if (!D) |
219 | return nullptr; |
220 | |
221 | CXDiagnosticSetImpl *Diags = static_cast<CXDiagnosticSetImpl*>(D); |
222 | if (Index >= Diags->getNumDiagnostics()) |
223 | return nullptr; |
224 | |
225 | return Diags->getDiagnostic(Index); |
226 | } |
227 | |
228 | CXDiagnosticSet clang_getDiagnosticSetFromTU(CXTranslationUnit Unit) { |
229 | if (cxtu::isNotUsableTU(Unit)) { |
230 | LOG_BAD_TU(Unit); |
231 | return nullptr; |
232 | } |
233 | if (!cxtu::getASTUnit(Unit)) |
234 | return nullptr; |
235 | return static_cast<CXDiagnostic>(lazyCreateDiags(Unit)); |
236 | } |
237 | |
238 | void clang_disposeDiagnostic(CXDiagnostic Diagnostic) { |
239 | |
240 | |
241 | } |
242 | |
243 | CXString clang_formatDiagnostic(CXDiagnostic Diagnostic, unsigned Options) { |
244 | if (!Diagnostic) |
245 | return cxstring::createEmpty(); |
246 | |
247 | CXDiagnosticSeverity Severity = clang_getDiagnosticSeverity(Diagnostic); |
248 | |
249 | SmallString<256> Str; |
250 | llvm::raw_svector_ostream Out(Str); |
251 | |
252 | if (Options & CXDiagnostic_DisplaySourceLocation) { |
253 | |
254 | |
255 | CXFile File; |
256 | unsigned Line, Column; |
257 | clang_getSpellingLocation(clang_getDiagnosticLocation(Diagnostic), |
258 | &File, &Line, &Column, nullptr); |
259 | if (File) { |
260 | CXString FName = clang_getFileName(File); |
261 | Out << clang_getCString(FName) << ":" << Line << ":"; |
262 | clang_disposeString(FName); |
263 | if (Options & CXDiagnostic_DisplayColumn) |
264 | Out << Column << ":"; |
265 | |
266 | if (Options & CXDiagnostic_DisplaySourceRanges) { |
267 | unsigned N = clang_getDiagnosticNumRanges(Diagnostic); |
268 | bool PrintedRange = false; |
269 | for (unsigned I = 0; I != N; ++I) { |
270 | CXFile StartFile, EndFile; |
271 | CXSourceRange Range = clang_getDiagnosticRange(Diagnostic, I); |
272 | |
273 | unsigned StartLine, StartColumn, EndLine, EndColumn; |
274 | clang_getSpellingLocation(clang_getRangeStart(Range), |
275 | &StartFile, &StartLine, &StartColumn, |
276 | nullptr); |
277 | clang_getSpellingLocation(clang_getRangeEnd(Range), |
278 | &EndFile, &EndLine, &EndColumn, nullptr); |
279 | |
280 | if (StartFile != EndFile || StartFile != File) |
281 | continue; |
282 | |
283 | Out << "{" << StartLine << ":" << StartColumn << "-" |
284 | << EndLine << ":" << EndColumn << "}"; |
285 | PrintedRange = true; |
286 | } |
287 | if (PrintedRange) |
288 | Out << ":"; |
289 | } |
290 | |
291 | Out << " "; |
292 | } |
293 | } |
294 | |
295 | |
296 | switch (Severity) { |
297 | case CXDiagnostic_Ignored: llvm_unreachable("impossible"); |
298 | case CXDiagnostic_Note: Out << "note: "; break; |
299 | case CXDiagnostic_Warning: Out << "warning: "; break; |
300 | case CXDiagnostic_Error: Out << "error: "; break; |
301 | case CXDiagnostic_Fatal: Out << "fatal error: "; break; |
302 | } |
303 | |
304 | CXString Text = clang_getDiagnosticSpelling(Diagnostic); |
305 | if (clang_getCString(Text)) |
306 | Out << clang_getCString(Text); |
307 | else |
308 | Out << "<no diagnostic text>"; |
309 | clang_disposeString(Text); |
310 | |
311 | if (Options & (CXDiagnostic_DisplayOption | CXDiagnostic_DisplayCategoryId | |
312 | CXDiagnostic_DisplayCategoryName)) { |
313 | bool NeedBracket = true; |
314 | bool NeedComma = false; |
315 | |
316 | if (Options & CXDiagnostic_DisplayOption) { |
317 | CXString OptionName = clang_getDiagnosticOption(Diagnostic, nullptr); |
318 | if (const char *OptionText = clang_getCString(OptionName)) { |
319 | if (OptionText[0]) { |
320 | Out << " [" << OptionText; |
321 | NeedBracket = false; |
322 | NeedComma = true; |
323 | } |
324 | } |
325 | clang_disposeString(OptionName); |
326 | } |
327 | |
328 | if (Options & (CXDiagnostic_DisplayCategoryId | |
329 | CXDiagnostic_DisplayCategoryName)) { |
330 | if (unsigned CategoryID = clang_getDiagnosticCategory(Diagnostic)) { |
331 | if (Options & CXDiagnostic_DisplayCategoryId) { |
332 | if (NeedBracket) |
333 | Out << " ["; |
334 | if (NeedComma) |
335 | Out << ", "; |
336 | Out << CategoryID; |
337 | NeedBracket = false; |
338 | NeedComma = true; |
339 | } |
340 | |
341 | if (Options & CXDiagnostic_DisplayCategoryName) { |
342 | CXString CategoryName = clang_getDiagnosticCategoryText(Diagnostic); |
343 | if (NeedBracket) |
344 | Out << " ["; |
345 | if (NeedComma) |
346 | Out << ", "; |
347 | Out << clang_getCString(CategoryName); |
348 | NeedBracket = false; |
349 | NeedComma = true; |
350 | clang_disposeString(CategoryName); |
351 | } |
352 | } |
353 | } |
354 | |
355 | (void) NeedComma; |
356 | if (!NeedBracket) |
357 | Out << "]"; |
358 | } |
359 | |
360 | return cxstring::createDup(Out.str()); |
361 | } |
362 | |
363 | unsigned clang_defaultDiagnosticDisplayOptions() { |
364 | return CXDiagnostic_DisplaySourceLocation | CXDiagnostic_DisplayColumn | |
365 | CXDiagnostic_DisplayOption; |
366 | } |
367 | |
368 | enum CXDiagnosticSeverity clang_getDiagnosticSeverity(CXDiagnostic Diag) { |
369 | if (CXDiagnosticImpl *D = static_cast<CXDiagnosticImpl*>(Diag)) |
370 | return D->getSeverity(); |
371 | return CXDiagnostic_Ignored; |
372 | } |
373 | |
374 | CXSourceLocation clang_getDiagnosticLocation(CXDiagnostic Diag) { |
375 | if (CXDiagnosticImpl *D = static_cast<CXDiagnosticImpl*>(Diag)) |
376 | return D->getLocation(); |
377 | return clang_getNullLocation(); |
378 | } |
379 | |
380 | CXString clang_getDiagnosticSpelling(CXDiagnostic Diag) { |
381 | if (CXDiagnosticImpl *D = static_cast<CXDiagnosticImpl *>(Diag)) |
382 | return D->getSpelling(); |
383 | return cxstring::createEmpty(); |
384 | } |
385 | |
386 | CXString clang_getDiagnosticOption(CXDiagnostic Diag, CXString *Disable) { |
387 | if (Disable) |
388 | *Disable = cxstring::createEmpty(); |
389 | |
390 | if (CXDiagnosticImpl *D = static_cast<CXDiagnosticImpl *>(Diag)) |
391 | return D->getDiagnosticOption(Disable); |
392 | |
393 | return cxstring::createEmpty(); |
394 | } |
395 | |
396 | unsigned clang_getDiagnosticCategory(CXDiagnostic Diag) { |
397 | if (CXDiagnosticImpl *D = static_cast<CXDiagnosticImpl *>(Diag)) |
398 | return D->getCategory(); |
399 | return 0; |
400 | } |
401 | |
402 | CXString clang_getDiagnosticCategoryName(unsigned Category) { |
403 | |
404 | return cxstring::createRef(DiagnosticIDs::getCategoryNameFromID(Category)); |
405 | } |
406 | |
407 | CXString clang_getDiagnosticCategoryText(CXDiagnostic Diag) { |
408 | if (CXDiagnosticImpl *D = static_cast<CXDiagnosticImpl *>(Diag)) |
409 | return D->getCategoryText(); |
410 | return cxstring::createEmpty(); |
411 | } |
412 | |
413 | unsigned clang_getDiagnosticNumRanges(CXDiagnostic Diag) { |
414 | if (CXDiagnosticImpl *D = static_cast<CXDiagnosticImpl *>(Diag)) |
415 | return D->getNumRanges(); |
416 | return 0; |
417 | } |
418 | |
419 | CXSourceRange clang_getDiagnosticRange(CXDiagnostic Diag, unsigned Range) { |
420 | CXDiagnosticImpl *D = static_cast<CXDiagnosticImpl *>(Diag); |
421 | if (!D || Range >= D->getNumRanges()) |
422 | return clang_getNullRange(); |
423 | return D->getRange(Range); |
424 | } |
425 | |
426 | unsigned clang_getDiagnosticNumFixIts(CXDiagnostic Diag) { |
427 | if (CXDiagnosticImpl *D = static_cast<CXDiagnosticImpl *>(Diag)) |
428 | return D->getNumFixIts(); |
429 | return 0; |
430 | } |
431 | |
432 | CXString clang_getDiagnosticFixIt(CXDiagnostic Diag, unsigned FixIt, |
433 | CXSourceRange *ReplacementRange) { |
434 | CXDiagnosticImpl *D = static_cast<CXDiagnosticImpl *>(Diag); |
435 | if (!D || FixIt >= D->getNumFixIts()) { |
436 | if (ReplacementRange) |
437 | *ReplacementRange = clang_getNullRange(); |
438 | return cxstring::createEmpty(); |
439 | } |
440 | return D->getFixIt(FixIt, ReplacementRange); |
441 | } |
442 | |
443 | void clang_disposeDiagnosticSet(CXDiagnosticSet Diags) { |
444 | if (CXDiagnosticSetImpl *D = static_cast<CXDiagnosticSetImpl *>(Diags)) { |
445 | if (D->isExternallyManaged()) |
446 | delete D; |
447 | } |
448 | } |
449 | |
450 | CXDiagnostic clang_getDiagnosticInSet(CXDiagnosticSet Diags, |
451 | unsigned Index) { |
452 | if (CXDiagnosticSetImpl *D = static_cast<CXDiagnosticSetImpl*>(Diags)) |
453 | if (Index < D->getNumDiagnostics()) |
454 | return D->getDiagnostic(Index); |
455 | return nullptr; |
456 | } |
457 | |
458 | CXDiagnosticSet clang_getChildDiagnostics(CXDiagnostic Diag) { |
459 | if (CXDiagnosticImpl *D = static_cast<CXDiagnosticImpl *>(Diag)) { |
460 | CXDiagnosticSetImpl &ChildDiags = D->getChildDiagnostics(); |
461 | return ChildDiags.empty() ? nullptr : (CXDiagnosticSet) &ChildDiags; |
462 | } |
463 | return nullptr; |
464 | } |
465 | |
466 | unsigned clang_getNumDiagnosticsInSet(CXDiagnosticSet Diags) { |
467 | if (CXDiagnosticSetImpl *D = static_cast<CXDiagnosticSetImpl*>(Diags)) |
468 | return D->getNumDiagnostics(); |
469 | return 0; |
470 | } |
471 | |