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13 | #include "clang/AST/ASTContext.h" |
14 | #include "clang/Basic/PragmaKinds.h" |
15 | #include "clang/Basic/TargetInfo.h" |
16 | #include "clang/Lex/Preprocessor.h" |
17 | #include "clang/Parse/LoopHint.h" |
18 | #include "clang/Parse/ParseDiagnostic.h" |
19 | #include "clang/Parse/Parser.h" |
20 | #include "clang/Parse/RAIIObjectsForParser.h" |
21 | #include "clang/Sema/Scope.h" |
22 | #include "llvm/ADT/StringSwitch.h" |
23 | using namespace clang; |
24 | |
25 | namespace { |
26 | |
27 | struct PragmaAlignHandler : public PragmaHandler { |
28 | explicit PragmaAlignHandler() : PragmaHandler("align") {} |
29 | void HandlePragma(Preprocessor &PP, PragmaIntroducerKind Introducer, |
30 | Token &FirstToken) override; |
31 | }; |
32 | |
33 | struct PragmaGCCVisibilityHandler : public PragmaHandler { |
34 | explicit PragmaGCCVisibilityHandler() : PragmaHandler("visibility") {} |
35 | void HandlePragma(Preprocessor &PP, PragmaIntroducerKind Introducer, |
36 | Token &FirstToken) override; |
37 | }; |
38 | |
39 | struct PragmaOptionsHandler : public PragmaHandler { |
40 | explicit PragmaOptionsHandler() : PragmaHandler("options") {} |
41 | void HandlePragma(Preprocessor &PP, PragmaIntroducerKind Introducer, |
42 | Token &FirstToken) override; |
43 | }; |
44 | |
45 | struct PragmaPackHandler : public PragmaHandler { |
46 | explicit PragmaPackHandler() : PragmaHandler("pack") {} |
47 | void HandlePragma(Preprocessor &PP, PragmaIntroducerKind Introducer, |
48 | Token &FirstToken) override; |
49 | }; |
50 | |
51 | struct PragmaClangSectionHandler : public PragmaHandler { |
52 | explicit PragmaClangSectionHandler(Sema &S) |
53 | : PragmaHandler("section"), Actions(S) {} |
54 | void HandlePragma(Preprocessor &PP, PragmaIntroducerKind Introducer, |
55 | Token &FirstToken) override; |
56 | private: |
57 | Sema &Actions; |
58 | }; |
59 | |
60 | struct PragmaMSStructHandler : public PragmaHandler { |
61 | explicit PragmaMSStructHandler() : PragmaHandler("ms_struct") {} |
62 | void HandlePragma(Preprocessor &PP, PragmaIntroducerKind Introducer, |
63 | Token &FirstToken) override; |
64 | }; |
65 | |
66 | struct PragmaUnusedHandler : public PragmaHandler { |
67 | PragmaUnusedHandler() : PragmaHandler("unused") {} |
68 | void HandlePragma(Preprocessor &PP, PragmaIntroducerKind Introducer, |
69 | Token &FirstToken) override; |
70 | }; |
71 | |
72 | struct PragmaWeakHandler : public PragmaHandler { |
73 | explicit PragmaWeakHandler() : PragmaHandler("weak") {} |
74 | void HandlePragma(Preprocessor &PP, PragmaIntroducerKind Introducer, |
75 | Token &FirstToken) override; |
76 | }; |
77 | |
78 | struct PragmaRedefineExtnameHandler : public PragmaHandler { |
79 | explicit PragmaRedefineExtnameHandler() : PragmaHandler("redefine_extname") {} |
80 | void HandlePragma(Preprocessor &PP, PragmaIntroducerKind Introducer, |
81 | Token &FirstToken) override; |
82 | }; |
83 | |
84 | struct PragmaOpenCLExtensionHandler : public PragmaHandler { |
85 | PragmaOpenCLExtensionHandler() : PragmaHandler("EXTENSION") {} |
86 | void HandlePragma(Preprocessor &PP, PragmaIntroducerKind Introducer, |
87 | Token &FirstToken) override; |
88 | }; |
89 | |
90 | |
91 | struct PragmaFPContractHandler : public PragmaHandler { |
92 | PragmaFPContractHandler() : PragmaHandler("FP_CONTRACT") {} |
93 | void HandlePragma(Preprocessor &PP, PragmaIntroducerKind Introducer, |
94 | Token &FirstToken) override; |
95 | }; |
96 | |
97 | |
98 | |
99 | |
100 | struct PragmaSTDC_FENV_ACCESSHandler : public PragmaHandler { |
101 | PragmaSTDC_FENV_ACCESSHandler() : PragmaHandler("FENV_ACCESS") {} |
102 | |
103 | void HandlePragma(Preprocessor &PP, PragmaIntroducerKind Introducer, |
104 | Token &Tok) override { |
105 | tok::OnOffSwitch OOS; |
106 | if (PP.LexOnOffSwitch(OOS)) |
107 | return; |
108 | if (OOS == tok::OOS_ON) { |
109 | PP.Diag(Tok, diag::warn_stdc_fenv_access_not_supported); |
110 | } |
111 | |
112 | MutableArrayRef<Token> Toks(PP.getPreprocessorAllocator().Allocate<Token>(1), |
113 | 1); |
114 | Toks[0].startToken(); |
115 | Toks[0].setKind(tok::annot_pragma_fenv_access); |
116 | Toks[0].setLocation(Tok.getLocation()); |
117 | Toks[0].setAnnotationEndLoc(Tok.getLocation()); |
118 | Toks[0].setAnnotationValue(reinterpret_cast<void*>( |
119 | static_cast<uintptr_t>(OOS))); |
120 | PP.EnterTokenStream(Toks, ); |
121 | } |
122 | }; |
123 | |
124 | |
125 | struct PragmaSTDC_CX_LIMITED_RANGEHandler : public PragmaHandler { |
126 | PragmaSTDC_CX_LIMITED_RANGEHandler() : PragmaHandler("CX_LIMITED_RANGE") {} |
127 | |
128 | void HandlePragma(Preprocessor &PP, PragmaIntroducerKind Introducer, |
129 | Token &Tok) override { |
130 | tok::OnOffSwitch OOS; |
131 | PP.LexOnOffSwitch(OOS); |
132 | } |
133 | }; |
134 | |
135 | |
136 | struct PragmaSTDC_UnknownHandler : public PragmaHandler { |
137 | PragmaSTDC_UnknownHandler() = default; |
138 | |
139 | void HandlePragma(Preprocessor &PP, PragmaIntroducerKind Introducer, |
140 | Token &UnknownTok) override { |
141 | |
142 | PP.Diag(UnknownTok, diag::ext_stdc_pragma_ignored); |
143 | } |
144 | }; |
145 | |
146 | struct PragmaFPHandler : public PragmaHandler { |
147 | PragmaFPHandler() : PragmaHandler("fp") {} |
148 | void HandlePragma(Preprocessor &PP, PragmaIntroducerKind Introducer, |
149 | Token &FirstToken) override; |
150 | }; |
151 | |
152 | struct PragmaNoOpenMPHandler : public PragmaHandler { |
153 | PragmaNoOpenMPHandler() : PragmaHandler("omp") { } |
154 | void HandlePragma(Preprocessor &PP, PragmaIntroducerKind Introducer, |
155 | Token &FirstToken) override; |
156 | }; |
157 | |
158 | struct PragmaOpenMPHandler : public PragmaHandler { |
159 | PragmaOpenMPHandler() : PragmaHandler("omp") { } |
160 | void HandlePragma(Preprocessor &PP, PragmaIntroducerKind Introducer, |
161 | Token &FirstToken) override; |
162 | }; |
163 | |
164 | |
165 | struct PragmaCommentHandler : public PragmaHandler { |
166 | PragmaCommentHandler(Sema &Actions) |
167 | : PragmaHandler("comment"), Actions(Actions) {} |
168 | void HandlePragma(Preprocessor &PP, PragmaIntroducerKind Introducer, |
169 | Token &FirstToken) override; |
170 | private: |
171 | Sema &Actions; |
172 | }; |
173 | |
174 | struct PragmaDetectMismatchHandler : public PragmaHandler { |
175 | PragmaDetectMismatchHandler(Sema &Actions) |
176 | : PragmaHandler("detect_mismatch"), Actions(Actions) {} |
177 | void HandlePragma(Preprocessor &PP, PragmaIntroducerKind Introducer, |
178 | Token &FirstToken) override; |
179 | private: |
180 | Sema &Actions; |
181 | }; |
182 | |
183 | struct PragmaMSPointersToMembers : public PragmaHandler { |
184 | explicit PragmaMSPointersToMembers() : PragmaHandler("pointers_to_members") {} |
185 | void HandlePragma(Preprocessor &PP, PragmaIntroducerKind Introducer, |
186 | Token &FirstToken) override; |
187 | }; |
188 | |
189 | struct PragmaMSVtorDisp : public PragmaHandler { |
190 | explicit PragmaMSVtorDisp() : PragmaHandler("vtordisp") {} |
191 | void HandlePragma(Preprocessor &PP, PragmaIntroducerKind Introducer, |
192 | Token &FirstToken) override; |
193 | }; |
194 | |
195 | struct PragmaMSPragma : public PragmaHandler { |
196 | explicit PragmaMSPragma(const char *name) : PragmaHandler(name) {} |
197 | void HandlePragma(Preprocessor &PP, PragmaIntroducerKind Introducer, |
198 | Token &FirstToken) override; |
199 | }; |
200 | |
201 | |
202 | struct PragmaOptimizeHandler : public PragmaHandler { |
203 | PragmaOptimizeHandler(Sema &S) |
204 | : PragmaHandler("optimize"), Actions(S) {} |
205 | void HandlePragma(Preprocessor &PP, PragmaIntroducerKind Introducer, |
206 | Token &FirstToken) override; |
207 | private: |
208 | Sema &Actions; |
209 | }; |
210 | |
211 | struct PragmaLoopHintHandler : public PragmaHandler { |
212 | PragmaLoopHintHandler() : PragmaHandler("loop") {} |
213 | void HandlePragma(Preprocessor &PP, PragmaIntroducerKind Introducer, |
214 | Token &FirstToken) override; |
215 | }; |
216 | |
217 | struct PragmaUnrollHintHandler : public PragmaHandler { |
218 | PragmaUnrollHintHandler(const char *name) : PragmaHandler(name) {} |
219 | void HandlePragma(Preprocessor &PP, PragmaIntroducerKind Introducer, |
220 | Token &FirstToken) override; |
221 | }; |
222 | |
223 | struct PragmaMSRuntimeChecksHandler : public EmptyPragmaHandler { |
224 | PragmaMSRuntimeChecksHandler() : EmptyPragmaHandler("runtime_checks") {} |
225 | }; |
226 | |
227 | struct PragmaMSIntrinsicHandler : public PragmaHandler { |
228 | PragmaMSIntrinsicHandler() : PragmaHandler("intrinsic") {} |
229 | void HandlePragma(Preprocessor &PP, PragmaIntroducerKind Introducer, |
230 | Token &FirstToken) override; |
231 | }; |
232 | |
233 | struct PragmaMSOptimizeHandler : public PragmaHandler { |
234 | PragmaMSOptimizeHandler() : PragmaHandler("optimize") {} |
235 | void HandlePragma(Preprocessor &PP, PragmaIntroducerKind Introducer, |
236 | Token &FirstToken) override; |
237 | }; |
238 | |
239 | struct PragmaForceCUDAHostDeviceHandler : public PragmaHandler { |
240 | PragmaForceCUDAHostDeviceHandler(Sema &Actions) |
241 | : PragmaHandler("force_cuda_host_device"), Actions(Actions) {} |
242 | void HandlePragma(Preprocessor &PP, PragmaIntroducerKind Introducer, |
243 | Token &FirstToken) override; |
244 | |
245 | private: |
246 | Sema &Actions; |
247 | }; |
248 | |
249 | |
250 | struct PragmaAttributeHandler : public PragmaHandler { |
251 | PragmaAttributeHandler(AttributeFactory &AttrFactory) |
252 | : PragmaHandler("attribute"), AttributesForPragmaAttribute(AttrFactory) {} |
253 | void HandlePragma(Preprocessor &PP, PragmaIntroducerKind Introducer, |
254 | Token &FirstToken) override; |
255 | |
256 | |
257 | ParsedAttributes AttributesForPragmaAttribute; |
258 | }; |
259 | |
260 | } |
261 | |
262 | void Parser::initializePragmaHandlers() { |
263 | AlignHandler = llvm::make_unique<PragmaAlignHandler>(); |
264 | PP.AddPragmaHandler(AlignHandler.get()); |
265 | |
266 | GCCVisibilityHandler = llvm::make_unique<PragmaGCCVisibilityHandler>(); |
267 | PP.AddPragmaHandler("GCC", GCCVisibilityHandler.get()); |
268 | |
269 | OptionsHandler = llvm::make_unique<PragmaOptionsHandler>(); |
270 | PP.AddPragmaHandler(OptionsHandler.get()); |
271 | |
272 | PackHandler = llvm::make_unique<PragmaPackHandler>(); |
273 | PP.AddPragmaHandler(PackHandler.get()); |
274 | |
275 | MSStructHandler = llvm::make_unique<PragmaMSStructHandler>(); |
276 | PP.AddPragmaHandler(MSStructHandler.get()); |
277 | |
278 | UnusedHandler = llvm::make_unique<PragmaUnusedHandler>(); |
279 | PP.AddPragmaHandler(UnusedHandler.get()); |
280 | |
281 | WeakHandler = llvm::make_unique<PragmaWeakHandler>(); |
282 | PP.AddPragmaHandler(WeakHandler.get()); |
283 | |
284 | RedefineExtnameHandler = llvm::make_unique<PragmaRedefineExtnameHandler>(); |
285 | PP.AddPragmaHandler(RedefineExtnameHandler.get()); |
286 | |
287 | FPContractHandler = llvm::make_unique<PragmaFPContractHandler>(); |
288 | PP.AddPragmaHandler("STDC", FPContractHandler.get()); |
289 | |
290 | STDCFENVHandler = llvm::make_unique<PragmaSTDC_FENV_ACCESSHandler>(); |
291 | PP.AddPragmaHandler("STDC", STDCFENVHandler.get()); |
292 | |
293 | STDCCXLIMITHandler = llvm::make_unique<PragmaSTDC_CX_LIMITED_RANGEHandler>(); |
294 | PP.AddPragmaHandler("STDC", STDCCXLIMITHandler.get()); |
295 | |
296 | STDCUnknownHandler = llvm::make_unique<PragmaSTDC_UnknownHandler>(); |
297 | PP.AddPragmaHandler("STDC", STDCUnknownHandler.get()); |
298 | |
299 | PCSectionHandler = llvm::make_unique<PragmaClangSectionHandler>(Actions); |
300 | PP.AddPragmaHandler("clang", PCSectionHandler.get()); |
301 | |
302 | if (getLangOpts().OpenCL) { |
303 | OpenCLExtensionHandler = llvm::make_unique<PragmaOpenCLExtensionHandler>(); |
304 | PP.AddPragmaHandler("OPENCL", OpenCLExtensionHandler.get()); |
305 | |
306 | PP.AddPragmaHandler("OPENCL", FPContractHandler.get()); |
307 | } |
308 | if (getLangOpts().OpenMP) |
309 | OpenMPHandler = llvm::make_unique<PragmaOpenMPHandler>(); |
310 | else |
311 | OpenMPHandler = llvm::make_unique<PragmaNoOpenMPHandler>(); |
312 | PP.AddPragmaHandler(OpenMPHandler.get()); |
313 | |
314 | if (getLangOpts().MicrosoftExt || |
315 | getTargetInfo().getTriple().isOSBinFormatELF()) { |
316 | MSCommentHandler = llvm::make_unique<PragmaCommentHandler>(Actions); |
317 | PP.AddPragmaHandler(MSCommentHandler.get()); |
318 | } |
319 | |
320 | if (getLangOpts().MicrosoftExt) { |
321 | MSDetectMismatchHandler = |
322 | llvm::make_unique<PragmaDetectMismatchHandler>(Actions); |
323 | PP.AddPragmaHandler(MSDetectMismatchHandler.get()); |
324 | MSPointersToMembers = llvm::make_unique<PragmaMSPointersToMembers>(); |
325 | PP.AddPragmaHandler(MSPointersToMembers.get()); |
326 | MSVtorDisp = llvm::make_unique<PragmaMSVtorDisp>(); |
327 | PP.AddPragmaHandler(MSVtorDisp.get()); |
328 | MSInitSeg = llvm::make_unique<PragmaMSPragma>("init_seg"); |
329 | PP.AddPragmaHandler(MSInitSeg.get()); |
330 | MSDataSeg = llvm::make_unique<PragmaMSPragma>("data_seg"); |
331 | PP.AddPragmaHandler(MSDataSeg.get()); |
332 | MSBSSSeg = llvm::make_unique<PragmaMSPragma>("bss_seg"); |
333 | PP.AddPragmaHandler(MSBSSSeg.get()); |
334 | MSConstSeg = llvm::make_unique<PragmaMSPragma>("const_seg"); |
335 | PP.AddPragmaHandler(MSConstSeg.get()); |
336 | MSCodeSeg = llvm::make_unique<PragmaMSPragma>("code_seg"); |
337 | PP.AddPragmaHandler(MSCodeSeg.get()); |
338 | MSSection = llvm::make_unique<PragmaMSPragma>("section"); |
339 | PP.AddPragmaHandler(MSSection.get()); |
340 | MSRuntimeChecks = llvm::make_unique<PragmaMSRuntimeChecksHandler>(); |
341 | PP.AddPragmaHandler(MSRuntimeChecks.get()); |
342 | MSIntrinsic = llvm::make_unique<PragmaMSIntrinsicHandler>(); |
343 | PP.AddPragmaHandler(MSIntrinsic.get()); |
344 | MSOptimize = llvm::make_unique<PragmaMSOptimizeHandler>(); |
345 | PP.AddPragmaHandler(MSOptimize.get()); |
346 | } |
347 | |
348 | if (getLangOpts().CUDA) { |
349 | CUDAForceHostDeviceHandler = |
350 | llvm::make_unique<PragmaForceCUDAHostDeviceHandler>(Actions); |
351 | PP.AddPragmaHandler("clang", CUDAForceHostDeviceHandler.get()); |
352 | } |
353 | |
354 | OptimizeHandler = llvm::make_unique<PragmaOptimizeHandler>(Actions); |
355 | PP.AddPragmaHandler("clang", OptimizeHandler.get()); |
356 | |
357 | LoopHintHandler = llvm::make_unique<PragmaLoopHintHandler>(); |
358 | PP.AddPragmaHandler("clang", LoopHintHandler.get()); |
359 | |
360 | UnrollHintHandler = llvm::make_unique<PragmaUnrollHintHandler>("unroll"); |
361 | PP.AddPragmaHandler(UnrollHintHandler.get()); |
362 | |
363 | NoUnrollHintHandler = llvm::make_unique<PragmaUnrollHintHandler>("nounroll"); |
364 | PP.AddPragmaHandler(NoUnrollHintHandler.get()); |
365 | |
366 | UnrollAndJamHintHandler = |
367 | llvm::make_unique<PragmaUnrollHintHandler>("unroll_and_jam"); |
368 | PP.AddPragmaHandler(UnrollAndJamHintHandler.get()); |
369 | |
370 | NoUnrollAndJamHintHandler = |
371 | llvm::make_unique<PragmaUnrollHintHandler>("nounroll_and_jam"); |
372 | PP.AddPragmaHandler(NoUnrollAndJamHintHandler.get()); |
373 | |
374 | FPHandler = llvm::make_unique<PragmaFPHandler>(); |
375 | PP.AddPragmaHandler("clang", FPHandler.get()); |
376 | |
377 | AttributePragmaHandler = |
378 | llvm::make_unique<PragmaAttributeHandler>(AttrFactory); |
379 | PP.AddPragmaHandler("clang", AttributePragmaHandler.get()); |
380 | } |
381 | |
382 | void Parser::resetPragmaHandlers() { |
383 | |
384 | PP.RemovePragmaHandler(AlignHandler.get()); |
385 | AlignHandler.reset(); |
386 | PP.RemovePragmaHandler("GCC", GCCVisibilityHandler.get()); |
387 | GCCVisibilityHandler.reset(); |
388 | PP.RemovePragmaHandler(OptionsHandler.get()); |
389 | OptionsHandler.reset(); |
390 | PP.RemovePragmaHandler(PackHandler.get()); |
391 | PackHandler.reset(); |
392 | PP.RemovePragmaHandler(MSStructHandler.get()); |
393 | MSStructHandler.reset(); |
394 | PP.RemovePragmaHandler(UnusedHandler.get()); |
395 | UnusedHandler.reset(); |
396 | PP.RemovePragmaHandler(WeakHandler.get()); |
397 | WeakHandler.reset(); |
398 | PP.RemovePragmaHandler(RedefineExtnameHandler.get()); |
399 | RedefineExtnameHandler.reset(); |
400 | |
401 | if (getLangOpts().OpenCL) { |
402 | PP.RemovePragmaHandler("OPENCL", OpenCLExtensionHandler.get()); |
403 | OpenCLExtensionHandler.reset(); |
404 | PP.RemovePragmaHandler("OPENCL", FPContractHandler.get()); |
405 | } |
406 | PP.RemovePragmaHandler(OpenMPHandler.get()); |
407 | OpenMPHandler.reset(); |
408 | |
409 | if (getLangOpts().MicrosoftExt || |
410 | getTargetInfo().getTriple().isOSBinFormatELF()) { |
411 | PP.RemovePragmaHandler(MSCommentHandler.get()); |
412 | MSCommentHandler.reset(); |
413 | } |
414 | |
415 | PP.RemovePragmaHandler("clang", PCSectionHandler.get()); |
416 | PCSectionHandler.reset(); |
417 | |
418 | if (getLangOpts().MicrosoftExt) { |
419 | PP.RemovePragmaHandler(MSDetectMismatchHandler.get()); |
420 | MSDetectMismatchHandler.reset(); |
421 | PP.RemovePragmaHandler(MSPointersToMembers.get()); |
422 | MSPointersToMembers.reset(); |
423 | PP.RemovePragmaHandler(MSVtorDisp.get()); |
424 | MSVtorDisp.reset(); |
425 | PP.RemovePragmaHandler(MSInitSeg.get()); |
426 | MSInitSeg.reset(); |
427 | PP.RemovePragmaHandler(MSDataSeg.get()); |
428 | MSDataSeg.reset(); |
429 | PP.RemovePragmaHandler(MSBSSSeg.get()); |
430 | MSBSSSeg.reset(); |
431 | PP.RemovePragmaHandler(MSConstSeg.get()); |
432 | MSConstSeg.reset(); |
433 | PP.RemovePragmaHandler(MSCodeSeg.get()); |
434 | MSCodeSeg.reset(); |
435 | PP.RemovePragmaHandler(MSSection.get()); |
436 | MSSection.reset(); |
437 | PP.RemovePragmaHandler(MSRuntimeChecks.get()); |
438 | MSRuntimeChecks.reset(); |
439 | PP.RemovePragmaHandler(MSIntrinsic.get()); |
440 | MSIntrinsic.reset(); |
441 | PP.RemovePragmaHandler(MSOptimize.get()); |
442 | MSOptimize.reset(); |
443 | } |
444 | |
445 | if (getLangOpts().CUDA) { |
446 | PP.RemovePragmaHandler("clang", CUDAForceHostDeviceHandler.get()); |
447 | CUDAForceHostDeviceHandler.reset(); |
448 | } |
449 | |
450 | PP.RemovePragmaHandler("STDC", FPContractHandler.get()); |
451 | FPContractHandler.reset(); |
452 | |
453 | PP.RemovePragmaHandler("STDC", STDCFENVHandler.get()); |
454 | STDCFENVHandler.reset(); |
455 | |
456 | PP.RemovePragmaHandler("STDC", STDCCXLIMITHandler.get()); |
457 | STDCCXLIMITHandler.reset(); |
458 | |
459 | PP.RemovePragmaHandler("STDC", STDCUnknownHandler.get()); |
460 | STDCUnknownHandler.reset(); |
461 | |
462 | PP.RemovePragmaHandler("clang", OptimizeHandler.get()); |
463 | OptimizeHandler.reset(); |
464 | |
465 | PP.RemovePragmaHandler("clang", LoopHintHandler.get()); |
466 | LoopHintHandler.reset(); |
467 | |
468 | PP.RemovePragmaHandler(UnrollHintHandler.get()); |
469 | UnrollHintHandler.reset(); |
470 | |
471 | PP.RemovePragmaHandler(NoUnrollHintHandler.get()); |
472 | NoUnrollHintHandler.reset(); |
473 | |
474 | PP.RemovePragmaHandler(UnrollAndJamHintHandler.get()); |
475 | UnrollAndJamHintHandler.reset(); |
476 | |
477 | PP.RemovePragmaHandler(NoUnrollAndJamHintHandler.get()); |
478 | NoUnrollAndJamHintHandler.reset(); |
479 | |
480 | PP.RemovePragmaHandler("clang", FPHandler.get()); |
481 | FPHandler.reset(); |
482 | |
483 | PP.RemovePragmaHandler("clang", AttributePragmaHandler.get()); |
484 | AttributePragmaHandler.reset(); |
485 | } |
486 | |
487 | |
488 | |
489 | |
490 | |
491 | |
492 | void Parser::HandlePragmaUnused() { |
493 | assert(Tok.is(tok::annot_pragma_unused)); |
494 | SourceLocation UnusedLoc = ConsumeAnnotationToken(); |
495 | Actions.ActOnPragmaUnused(Tok, getCurScope(), UnusedLoc); |
496 | ConsumeToken(); |
497 | } |
498 | |
499 | void Parser::HandlePragmaVisibility() { |
500 | assert(Tok.is(tok::annot_pragma_vis)); |
501 | const IdentifierInfo *VisType = |
502 | static_cast<IdentifierInfo *>(Tok.getAnnotationValue()); |
503 | SourceLocation VisLoc = ConsumeAnnotationToken(); |
504 | Actions.ActOnPragmaVisibility(VisType, VisLoc); |
505 | } |
506 | |
507 | namespace { |
508 | struct PragmaPackInfo { |
509 | Sema::PragmaMsStackAction Action; |
510 | StringRef SlotLabel; |
511 | Token Alignment; |
512 | }; |
513 | } |
514 | |
515 | void Parser::HandlePragmaPack() { |
516 | assert(Tok.is(tok::annot_pragma_pack)); |
517 | PragmaPackInfo *Info = |
518 | static_cast<PragmaPackInfo *>(Tok.getAnnotationValue()); |
519 | SourceLocation PragmaLoc = Tok.getLocation(); |
520 | ExprResult Alignment; |
521 | if (Info->Alignment.is(tok::numeric_constant)) { |
522 | Alignment = Actions.ActOnNumericConstant(Info->Alignment); |
523 | if (Alignment.isInvalid()) { |
524 | ConsumeAnnotationToken(); |
525 | return; |
526 | } |
527 | } |
528 | Actions.ActOnPragmaPack(PragmaLoc, Info->Action, Info->SlotLabel, |
529 | Alignment.get()); |
530 | |
531 | |
532 | ConsumeAnnotationToken(); |
533 | } |
534 | |
535 | void Parser::HandlePragmaMSStruct() { |
536 | assert(Tok.is(tok::annot_pragma_msstruct)); |
537 | PragmaMSStructKind Kind = static_cast<PragmaMSStructKind>( |
538 | reinterpret_cast<uintptr_t>(Tok.getAnnotationValue())); |
539 | Actions.ActOnPragmaMSStruct(Kind); |
540 | ConsumeAnnotationToken(); |
541 | } |
542 | |
543 | void Parser::HandlePragmaAlign() { |
544 | assert(Tok.is(tok::annot_pragma_align)); |
545 | Sema::PragmaOptionsAlignKind Kind = |
546 | static_cast<Sema::PragmaOptionsAlignKind>( |
547 | reinterpret_cast<uintptr_t>(Tok.getAnnotationValue())); |
548 | Actions.ActOnPragmaOptionsAlign(Kind, Tok.getLocation()); |
549 | |
550 | |
551 | ConsumeAnnotationToken(); |
552 | } |
553 | |
554 | void Parser::HandlePragmaDump() { |
555 | assert(Tok.is(tok::annot_pragma_dump)); |
556 | IdentifierInfo *II = |
557 | reinterpret_cast<IdentifierInfo *>(Tok.getAnnotationValue()); |
558 | Actions.ActOnPragmaDump(getCurScope(), Tok.getLocation(), II); |
559 | ConsumeAnnotationToken(); |
560 | } |
561 | |
562 | void Parser::HandlePragmaWeak() { |
563 | assert(Tok.is(tok::annot_pragma_weak)); |
564 | SourceLocation PragmaLoc = ConsumeAnnotationToken(); |
565 | Actions.ActOnPragmaWeakID(Tok.getIdentifierInfo(), PragmaLoc, |
566 | Tok.getLocation()); |
567 | ConsumeToken(); |
568 | } |
569 | |
570 | void Parser::HandlePragmaWeakAlias() { |
571 | assert(Tok.is(tok::annot_pragma_weakalias)); |
572 | SourceLocation PragmaLoc = ConsumeAnnotationToken(); |
573 | IdentifierInfo *WeakName = Tok.getIdentifierInfo(); |
574 | SourceLocation WeakNameLoc = Tok.getLocation(); |
575 | ConsumeToken(); |
576 | IdentifierInfo *AliasName = Tok.getIdentifierInfo(); |
577 | SourceLocation AliasNameLoc = Tok.getLocation(); |
578 | ConsumeToken(); |
579 | Actions.ActOnPragmaWeakAlias(WeakName, AliasName, PragmaLoc, |
580 | WeakNameLoc, AliasNameLoc); |
581 | |
582 | } |
583 | |
584 | void Parser::HandlePragmaRedefineExtname() { |
585 | assert(Tok.is(tok::annot_pragma_redefine_extname)); |
586 | SourceLocation RedefLoc = ConsumeAnnotationToken(); |
587 | IdentifierInfo *RedefName = Tok.getIdentifierInfo(); |
588 | SourceLocation RedefNameLoc = Tok.getLocation(); |
589 | ConsumeToken(); |
590 | IdentifierInfo *AliasName = Tok.getIdentifierInfo(); |
591 | SourceLocation AliasNameLoc = Tok.getLocation(); |
592 | ConsumeToken(); |
593 | Actions.ActOnPragmaRedefineExtname(RedefName, AliasName, RedefLoc, |
594 | RedefNameLoc, AliasNameLoc); |
595 | } |
596 | |
597 | void Parser::HandlePragmaFPContract() { |
598 | assert(Tok.is(tok::annot_pragma_fp_contract)); |
599 | tok::OnOffSwitch OOS = |
600 | static_cast<tok::OnOffSwitch>( |
601 | reinterpret_cast<uintptr_t>(Tok.getAnnotationValue())); |
602 | |
603 | LangOptions::FPContractModeKind FPC; |
604 | switch (OOS) { |
605 | case tok::OOS_ON: |
606 | FPC = LangOptions::FPC_On; |
607 | break; |
608 | case tok::OOS_OFF: |
609 | FPC = LangOptions::FPC_Off; |
610 | break; |
611 | case tok::OOS_DEFAULT: |
612 | FPC = getLangOpts().getDefaultFPContractMode(); |
613 | break; |
614 | } |
615 | |
616 | Actions.ActOnPragmaFPContract(FPC); |
617 | ConsumeAnnotationToken(); |
618 | } |
619 | |
620 | void Parser::HandlePragmaFEnvAccess() { |
621 | assert(Tok.is(tok::annot_pragma_fenv_access)); |
622 | tok::OnOffSwitch OOS = |
623 | static_cast<tok::OnOffSwitch>( |
624 | reinterpret_cast<uintptr_t>(Tok.getAnnotationValue())); |
625 | |
626 | LangOptions::FEnvAccessModeKind FPC; |
627 | switch (OOS) { |
628 | case tok::OOS_ON: |
629 | FPC = LangOptions::FEA_On; |
630 | break; |
631 | case tok::OOS_OFF: |
632 | FPC = LangOptions::FEA_Off; |
633 | break; |
634 | case tok::OOS_DEFAULT: |
635 | FPC = LangOptions::FEA_Off; |
636 | break; |
637 | } |
638 | |
639 | Actions.ActOnPragmaFEnvAccess(FPC); |
640 | ConsumeAnnotationToken(); |
641 | } |
642 | |
643 | |
644 | StmtResult Parser::HandlePragmaCaptured() |
645 | { |
646 | assert(Tok.is(tok::annot_pragma_captured)); |
647 | ConsumeAnnotationToken(); |
648 | |
649 | if (Tok.isNot(tok::l_brace)) { |
650 | PP.Diag(Tok, diag::err_expected) << tok::l_brace; |
651 | return StmtError(); |
652 | } |
653 | |
654 | SourceLocation Loc = Tok.getLocation(); |
655 | |
656 | ParseScope CapturedRegionScope(this, Scope::FnScope | Scope::DeclScope | |
657 | Scope::CompoundStmtScope); |
658 | Actions.ActOnCapturedRegionStart(Loc, getCurScope(), CR_Default, |
659 | ); |
660 | |
661 | StmtResult R = ParseCompoundStatement(); |
662 | CapturedRegionScope.Exit(); |
663 | |
664 | if (R.isInvalid()) { |
665 | Actions.ActOnCapturedRegionError(); |
666 | return StmtError(); |
667 | } |
668 | |
669 | return Actions.ActOnCapturedRegionEnd(R.get()); |
670 | } |
671 | |
672 | namespace { |
673 | enum OpenCLExtState : char { |
674 | Disable, Enable, Begin, End |
675 | }; |
676 | typedef std::pair<const IdentifierInfo *, OpenCLExtState> OpenCLExtData; |
677 | } |
678 | |
679 | void Parser::HandlePragmaOpenCLExtension() { |
680 | assert(Tok.is(tok::annot_pragma_opencl_extension)); |
681 | OpenCLExtData *Data = static_cast<OpenCLExtData*>(Tok.getAnnotationValue()); |
682 | auto State = Data->second; |
683 | auto Ident = Data->first; |
684 | SourceLocation NameLoc = Tok.getLocation(); |
685 | ConsumeAnnotationToken(); |
686 | |
687 | auto &Opt = Actions.getOpenCLOptions(); |
688 | auto Name = Ident->getName(); |
689 | |
690 | |
691 | |
692 | if (Name == "all") { |
693 | if (State == Disable) { |
694 | Opt.disableAll(); |
695 | Opt.enableSupportedCore(getLangOpts()); |
696 | } else { |
697 | PP.Diag(NameLoc, diag::warn_pragma_expected_predicate) << 1; |
698 | } |
699 | } else if (State == Begin) { |
700 | if (!Opt.isKnown(Name) || !Opt.isSupported(Name, getLangOpts())) { |
701 | Opt.support(Name); |
702 | } |
703 | Actions.setCurrentOpenCLExtension(Name); |
704 | } else if (State == End) { |
705 | if (Name != Actions.getCurrentOpenCLExtension()) |
706 | PP.Diag(NameLoc, diag::warn_pragma_begin_end_mismatch); |
707 | Actions.setCurrentOpenCLExtension(""); |
708 | } else if (!Opt.isKnown(Name)) |
709 | PP.Diag(NameLoc, diag::warn_pragma_unknown_extension) << Ident; |
710 | else if (Opt.isSupportedExtension(Name, getLangOpts())) |
711 | Opt.enable(Name, State == Enable); |
712 | else if (Opt.isSupportedCore(Name, getLangOpts())) |
713 | PP.Diag(NameLoc, diag::warn_pragma_extension_is_core) << Ident; |
714 | else |
715 | PP.Diag(NameLoc, diag::warn_pragma_unsupported_extension) << Ident; |
716 | } |
717 | |
718 | void Parser::HandlePragmaMSPointersToMembers() { |
719 | assert(Tok.is(tok::annot_pragma_ms_pointers_to_members)); |
720 | LangOptions::PragmaMSPointersToMembersKind RepresentationMethod = |
721 | static_cast<LangOptions::PragmaMSPointersToMembersKind>( |
722 | reinterpret_cast<uintptr_t>(Tok.getAnnotationValue())); |
723 | SourceLocation PragmaLoc = ConsumeAnnotationToken(); |
724 | Actions.ActOnPragmaMSPointersToMembers(RepresentationMethod, PragmaLoc); |
725 | } |
726 | |
727 | void Parser::HandlePragmaMSVtorDisp() { |
728 | assert(Tok.is(tok::annot_pragma_ms_vtordisp)); |
729 | uintptr_t Value = reinterpret_cast<uintptr_t>(Tok.getAnnotationValue()); |
730 | Sema::PragmaMsStackAction Action = |
731 | static_cast<Sema::PragmaMsStackAction>((Value >> 16) & 0xFFFF); |
732 | MSVtorDispAttr::Mode Mode = MSVtorDispAttr::Mode(Value & 0xFFFF); |
733 | SourceLocation PragmaLoc = ConsumeAnnotationToken(); |
734 | Actions.ActOnPragmaMSVtorDisp(Action, PragmaLoc, Mode); |
735 | } |
736 | |
737 | void Parser::HandlePragmaMSPragma() { |
738 | assert(Tok.is(tok::annot_pragma_ms_pragma)); |
739 | |
740 | auto TheTokens = |
741 | (std::pair<std::unique_ptr<Token[]>, size_t> *)Tok.getAnnotationValue(); |
742 | PP.EnterTokenStream(std::move(TheTokens->first), TheTokens->second, true); |
743 | SourceLocation PragmaLocation = ConsumeAnnotationToken(); |
744 | assert(Tok.isAnyIdentifier()); |
745 | StringRef PragmaName = Tok.getIdentifierInfo()->getName(); |
746 | PP.Lex(Tok); |
747 | |
748 | |
749 | |
750 | typedef bool (Parser::*PragmaHandler)(StringRef, SourceLocation); |
751 | PragmaHandler Handler = llvm::StringSwitch<PragmaHandler>(PragmaName) |
752 | .Case("data_seg", &Parser::HandlePragmaMSSegment) |
753 | .Case("bss_seg", &Parser::HandlePragmaMSSegment) |
754 | .Case("const_seg", &Parser::HandlePragmaMSSegment) |
755 | .Case("code_seg", &Parser::HandlePragmaMSSegment) |
756 | .Case("section", &Parser::HandlePragmaMSSection) |
757 | .Case("init_seg", &Parser::HandlePragmaMSInitSeg); |
758 | |
759 | if (!(this->*Handler)(PragmaName, PragmaLocation)) { |
760 | |
761 | |
762 | while (Tok.isNot(tok::eof)) |
763 | PP.Lex(Tok); |
764 | PP.Lex(Tok); |
765 | } |
766 | } |
767 | |
768 | bool Parser::HandlePragmaMSSection(StringRef PragmaName, |
769 | SourceLocation PragmaLocation) { |
770 | if (Tok.isNot(tok::l_paren)) { |
771 | PP.Diag(PragmaLocation, diag::warn_pragma_expected_lparen) << PragmaName; |
772 | return false; |
773 | } |
774 | PP.Lex(Tok); |
775 | |
776 | if (Tok.isNot(tok::string_literal)) { |
777 | PP.Diag(PragmaLocation, diag::warn_pragma_expected_section_name) |
778 | << PragmaName; |
779 | return false; |
780 | } |
781 | ExprResult StringResult = ParseStringLiteralExpression(); |
782 | if (StringResult.isInvalid()) |
783 | return false; |
784 | StringLiteral *SegmentName = cast<StringLiteral>(StringResult.get()); |
785 | if (SegmentName->getCharByteWidth() != 1) { |
786 | PP.Diag(PragmaLocation, diag::warn_pragma_expected_non_wide_string) |
787 | << PragmaName; |
788 | return false; |
789 | } |
790 | int SectionFlags = ASTContext::PSF_Read; |
791 | bool SectionFlagsAreDefault = true; |
792 | while (Tok.is(tok::comma)) { |
793 | PP.Lex(Tok); |
794 | |
795 | |
796 | |
797 | if (Tok.is(tok::kw_long) || Tok.is(tok::kw_short)) { |
798 | PP.Lex(Tok); |
799 | continue; |
800 | } |
801 | |
802 | if (!Tok.isAnyIdentifier()) { |
803 | PP.Diag(PragmaLocation, diag::warn_pragma_expected_action_or_r_paren) |
804 | << PragmaName; |
805 | return false; |
806 | } |
807 | ASTContext::PragmaSectionFlag Flag = |
808 | llvm::StringSwitch<ASTContext::PragmaSectionFlag>( |
809 | Tok.getIdentifierInfo()->getName()) |
810 | .Case("read", ASTContext::PSF_Read) |
811 | .Case("write", ASTContext::PSF_Write) |
812 | .Case("execute", ASTContext::PSF_Execute) |
813 | .Case("shared", ASTContext::PSF_Invalid) |
814 | .Case("nopage", ASTContext::PSF_Invalid) |
815 | .Case("nocache", ASTContext::PSF_Invalid) |
816 | .Case("discard", ASTContext::PSF_Invalid) |
817 | .Case("remove", ASTContext::PSF_Invalid) |
818 | .Default(ASTContext::PSF_None); |
819 | if (Flag == ASTContext::PSF_None || Flag == ASTContext::PSF_Invalid) { |
820 | PP.Diag(PragmaLocation, Flag == ASTContext::PSF_None |
821 | ? diag::warn_pragma_invalid_specific_action |
822 | : diag::warn_pragma_unsupported_action) |
823 | << PragmaName << Tok.getIdentifierInfo()->getName(); |
824 | return false; |
825 | } |
826 | SectionFlags |= Flag; |
827 | SectionFlagsAreDefault = false; |
828 | PP.Lex(Tok); |
829 | } |
830 | |
831 | |
832 | if (SectionFlagsAreDefault) |
833 | SectionFlags |= ASTContext::PSF_Write; |
834 | if (Tok.isNot(tok::r_paren)) { |
835 | PP.Diag(PragmaLocation, diag::warn_pragma_expected_rparen) << PragmaName; |
836 | return false; |
837 | } |
838 | PP.Lex(Tok); |
839 | if (Tok.isNot(tok::eof)) { |
840 | PP.Diag(PragmaLocation, diag::warn_pragma_extra_tokens_at_eol) |
841 | << PragmaName; |
842 | return false; |
843 | } |
844 | PP.Lex(Tok); |
845 | Actions.ActOnPragmaMSSection(PragmaLocation, SectionFlags, SegmentName); |
846 | return true; |
847 | } |
848 | |
849 | bool Parser::HandlePragmaMSSegment(StringRef PragmaName, |
850 | SourceLocation PragmaLocation) { |
851 | if (Tok.isNot(tok::l_paren)) { |
852 | PP.Diag(PragmaLocation, diag::warn_pragma_expected_lparen) << PragmaName; |
853 | return false; |
854 | } |
855 | PP.Lex(Tok); |
856 | Sema::PragmaMsStackAction Action = Sema::PSK_Reset; |
857 | StringRef SlotLabel; |
858 | if (Tok.isAnyIdentifier()) { |
859 | StringRef PushPop = Tok.getIdentifierInfo()->getName(); |
860 | if (PushPop == "push") |
861 | Action = Sema::PSK_Push; |
862 | else if (PushPop == "pop") |
863 | Action = Sema::PSK_Pop; |
864 | else { |
865 | PP.Diag(PragmaLocation, |
866 | diag::warn_pragma_expected_section_push_pop_or_name) |
867 | << PragmaName; |
868 | return false; |
869 | } |
870 | if (Action != Sema::PSK_Reset) { |
871 | PP.Lex(Tok); |
872 | if (Tok.is(tok::comma)) { |
873 | PP.Lex(Tok); |
874 | |
875 | if (Tok.isAnyIdentifier()) { |
876 | SlotLabel = Tok.getIdentifierInfo()->getName(); |
877 | PP.Lex(Tok); |
878 | if (Tok.is(tok::comma)) |
879 | PP.Lex(Tok); |
880 | else if (Tok.isNot(tok::r_paren)) { |
881 | PP.Diag(PragmaLocation, diag::warn_pragma_expected_punc) |
882 | << PragmaName; |
883 | return false; |
884 | } |
885 | } |
886 | } else if (Tok.isNot(tok::r_paren)) { |
887 | PP.Diag(PragmaLocation, diag::warn_pragma_expected_punc) << PragmaName; |
888 | return false; |
889 | } |
890 | } |
891 | } |
892 | |
893 | StringLiteral *SegmentName = nullptr; |
894 | if (Tok.isNot(tok::r_paren)) { |
895 | if (Tok.isNot(tok::string_literal)) { |
896 | unsigned DiagID = Action != Sema::PSK_Reset ? !SlotLabel.empty() ? |
897 | diag::warn_pragma_expected_section_name : |
898 | diag::warn_pragma_expected_section_label_or_name : |
899 | diag::warn_pragma_expected_section_push_pop_or_name; |
900 | PP.Diag(PragmaLocation, DiagID) << PragmaName; |
901 | return false; |
902 | } |
903 | ExprResult StringResult = ParseStringLiteralExpression(); |
904 | if (StringResult.isInvalid()) |
905 | return false; |
906 | SegmentName = cast<StringLiteral>(StringResult.get()); |
907 | if (SegmentName->getCharByteWidth() != 1) { |
908 | PP.Diag(PragmaLocation, diag::warn_pragma_expected_non_wide_string) |
909 | << PragmaName; |
910 | return false; |
911 | } |
912 | |
913 | if (SegmentName->getLength()) |
914 | Action = (Sema::PragmaMsStackAction)(Action | Sema::PSK_Set); |
915 | } |
916 | if (Tok.isNot(tok::r_paren)) { |
917 | PP.Diag(PragmaLocation, diag::warn_pragma_expected_rparen) << PragmaName; |
918 | return false; |
919 | } |
920 | PP.Lex(Tok); |
921 | if (Tok.isNot(tok::eof)) { |
922 | PP.Diag(PragmaLocation, diag::warn_pragma_extra_tokens_at_eol) |
923 | << PragmaName; |
924 | return false; |
925 | } |
926 | PP.Lex(Tok); |
927 | Actions.ActOnPragmaMSSeg(PragmaLocation, Action, SlotLabel, |
928 | SegmentName, PragmaName); |
929 | return true; |
930 | } |
931 | |
932 | |
933 | bool Parser::HandlePragmaMSInitSeg(StringRef PragmaName, |
934 | SourceLocation PragmaLocation) { |
935 | if (getTargetInfo().getTriple().getEnvironment() != llvm::Triple::MSVC) { |
936 | PP.Diag(PragmaLocation, diag::warn_pragma_init_seg_unsupported_target); |
937 | return false; |
938 | } |
939 | |
940 | if (ExpectAndConsume(tok::l_paren, diag::warn_pragma_expected_lparen, |
941 | PragmaName)) |
942 | return false; |
943 | |
944 | |
945 | StringLiteral *SegmentName = nullptr; |
946 | if (Tok.isAnyIdentifier()) { |
947 | auto *II = Tok.getIdentifierInfo(); |
948 | StringRef Section = llvm::StringSwitch<StringRef>(II->getName()) |
949 | .Case("compiler", "\".CRT$XCC\"") |
950 | .Case("lib", "\".CRT$XCL\"") |
951 | .Case("user", "\".CRT$XCU\"") |
952 | .Default(""); |
953 | |
954 | if (!Section.empty()) { |
955 | |
956 | Token Toks[1]; |
957 | Toks[0].startToken(); |
958 | Toks[0].setKind(tok::string_literal); |
959 | Toks[0].setLocation(Tok.getLocation()); |
960 | Toks[0].setLiteralData(Section.data()); |
961 | Toks[0].setLength(Section.size()); |
962 | SegmentName = |
963 | cast<StringLiteral>(Actions.ActOnStringLiteral(Toks, nullptr).get()); |
964 | PP.Lex(Tok); |
965 | } |
966 | } else if (Tok.is(tok::string_literal)) { |
967 | ExprResult StringResult = ParseStringLiteralExpression(); |
968 | if (StringResult.isInvalid()) |
969 | return false; |
970 | SegmentName = cast<StringLiteral>(StringResult.get()); |
971 | if (SegmentName->getCharByteWidth() != 1) { |
972 | PP.Diag(PragmaLocation, diag::warn_pragma_expected_non_wide_string) |
973 | << PragmaName; |
974 | return false; |
975 | } |
976 | |
977 | } |
978 | |
979 | if (!SegmentName) { |
980 | PP.Diag(PragmaLocation, diag::warn_pragma_expected_init_seg) << PragmaName; |
981 | return false; |
982 | } |
983 | |
984 | if (ExpectAndConsume(tok::r_paren, diag::warn_pragma_expected_rparen, |
985 | PragmaName) || |
986 | ExpectAndConsume(tok::eof, diag::warn_pragma_extra_tokens_at_eol, |
987 | PragmaName)) |
988 | return false; |
989 | |
990 | Actions.ActOnPragmaMSInitSeg(PragmaLocation, SegmentName); |
991 | return true; |
992 | } |
993 | |
994 | namespace { |
995 | struct PragmaLoopHintInfo { |
996 | Token PragmaName; |
997 | Token Option; |
998 | ArrayRef<Token> Toks; |
999 | }; |
1000 | } |
1001 | |
1002 | static std::string PragmaLoopHintString(Token PragmaName, Token Option) { |
1003 | std::string PragmaString; |
1004 | if (PragmaName.getIdentifierInfo()->getName() == "loop") { |
1005 | PragmaString = "clang loop "; |
1006 | PragmaString += Option.getIdentifierInfo()->getName(); |
1007 | } else if (PragmaName.getIdentifierInfo()->getName() == "unroll_and_jam") { |
1008 | PragmaString = "unroll_and_jam"; |
1009 | } else { |
1010 | (0) . __assert_fail ("PragmaName.getIdentifierInfo()->getName() == \"unroll\" && \"Unexpected pragma name\"", "/home/seafit/code_projects/clang_source/clang/lib/Parse/ParsePragma.cpp", 1011, __PRETTY_FUNCTION__))" file_link="../../../include/assert.h.html#88" macro="true">assert(PragmaName.getIdentifierInfo()->getName() == "unroll" && |
1011 | (0) . __assert_fail ("PragmaName.getIdentifierInfo()->getName() == \"unroll\" && \"Unexpected pragma name\"", "/home/seafit/code_projects/clang_source/clang/lib/Parse/ParsePragma.cpp", 1011, __PRETTY_FUNCTION__))" file_link="../../../include/assert.h.html#88" macro="true"> "Unexpected pragma name"); |
1012 | PragmaString = "unroll"; |
1013 | } |
1014 | return PragmaString; |
1015 | } |
1016 | |
1017 | bool Parser::HandlePragmaLoopHint(LoopHint &Hint) { |
1018 | assert(Tok.is(tok::annot_pragma_loop_hint)); |
1019 | PragmaLoopHintInfo *Info = |
1020 | static_cast<PragmaLoopHintInfo *>(Tok.getAnnotationValue()); |
1021 | |
1022 | IdentifierInfo *PragmaNameInfo = Info->PragmaName.getIdentifierInfo(); |
1023 | Hint.PragmaNameLoc = IdentifierLoc::create( |
1024 | Actions.Context, Info->PragmaName.getLocation(), PragmaNameInfo); |
1025 | |
1026 | |
1027 | |
1028 | IdentifierInfo *OptionInfo = Info->Option.is(tok::identifier) |
1029 | ? Info->Option.getIdentifierInfo() |
1030 | : nullptr; |
1031 | Hint.OptionLoc = IdentifierLoc::create( |
1032 | Actions.Context, Info->Option.getLocation(), OptionInfo); |
1033 | |
1034 | llvm::ArrayRef<Token> Toks = Info->Toks; |
1035 | |
1036 | |
1037 | |
1038 | bool PragmaUnroll = PragmaNameInfo->getName() == "unroll"; |
1039 | bool PragmaNoUnroll = PragmaNameInfo->getName() == "nounroll"; |
1040 | bool PragmaUnrollAndJam = PragmaNameInfo->getName() == "unroll_and_jam"; |
1041 | bool PragmaNoUnrollAndJam = PragmaNameInfo->getName() == "nounroll_and_jam"; |
1042 | if (Toks.empty() && (PragmaUnroll || PragmaNoUnroll || PragmaUnrollAndJam || |
1043 | PragmaNoUnrollAndJam)) { |
1044 | ConsumeAnnotationToken(); |
1045 | Hint.Range = Info->PragmaName.getLocation(); |
1046 | return true; |
1047 | } |
1048 | |
1049 | |
1050 | |
1051 | (0) . __assert_fail ("!Toks.empty() && \"PragmaLoopHintInfo..Toks must contain at least one token.\"", "/home/seafit/code_projects/clang_source/clang/lib/Parse/ParsePragma.cpp", 1052, __PRETTY_FUNCTION__))" file_link="../../../include/assert.h.html#88" macro="true">assert(!Toks.empty() && |
1052 | (0) . __assert_fail ("!Toks.empty() && \"PragmaLoopHintInfo..Toks must contain at least one token.\"", "/home/seafit/code_projects/clang_source/clang/lib/Parse/ParsePragma.cpp", 1052, __PRETTY_FUNCTION__))" file_link="../../../include/assert.h.html#88" macro="true"> "PragmaLoopHintInfo::Toks must contain at least one token."); |
1053 | |
1054 | |
1055 | bool OptionUnroll = false; |
1056 | bool OptionUnrollAndJam = false; |
1057 | bool OptionDistribute = false; |
1058 | bool OptionPipelineDisabled = false; |
1059 | bool StateOption = false; |
1060 | if (OptionInfo) { |
1061 | OptionUnroll = OptionInfo->isStr("unroll"); |
1062 | OptionUnrollAndJam = OptionInfo->isStr("unroll_and_jam"); |
1063 | OptionDistribute = OptionInfo->isStr("distribute"); |
1064 | OptionPipelineDisabled = OptionInfo->isStr("pipeline"); |
1065 | StateOption = llvm::StringSwitch<bool>(OptionInfo->getName()) |
1066 | .Case("vectorize", true) |
1067 | .Case("interleave", true) |
1068 | .Default(false) || |
1069 | OptionUnroll || OptionUnrollAndJam || OptionDistribute || |
1070 | OptionPipelineDisabled; |
1071 | } |
1072 | |
1073 | bool AssumeSafetyArg = !OptionUnroll && !OptionUnrollAndJam && |
1074 | !OptionDistribute && !OptionPipelineDisabled; |
1075 | |
1076 | if (Toks[0].is(tok::eof)) { |
1077 | ConsumeAnnotationToken(); |
1078 | Diag(Toks[0].getLocation(), diag::err_pragma_loop_missing_argument) |
1079 | << StateOption |
1080 | << (OptionUnroll || OptionUnrollAndJam) |
1081 | << AssumeSafetyArg; |
1082 | return false; |
1083 | } |
1084 | |
1085 | |
1086 | if (StateOption) { |
1087 | ConsumeAnnotationToken(); |
1088 | SourceLocation StateLoc = Toks[0].getLocation(); |
1089 | IdentifierInfo *StateInfo = Toks[0].getIdentifierInfo(); |
1090 | |
1091 | bool Valid = StateInfo && |
1092 | llvm::StringSwitch<bool>(StateInfo->getName()) |
1093 | .Case("disable", true) |
1094 | .Case("enable", !OptionPipelineDisabled) |
1095 | .Case("full", OptionUnroll || OptionUnrollAndJam) |
1096 | .Case("assume_safety", AssumeSafetyArg) |
1097 | .Default(false); |
1098 | if (!Valid) { |
1099 | if (OptionPipelineDisabled) { |
1100 | Diag(Toks[0].getLocation(), diag::err_pragma_pipeline_invalid_keyword); |
1101 | } else { |
1102 | Diag(Toks[0].getLocation(), diag::err_pragma_invalid_keyword) |
1103 | << (OptionUnroll || OptionUnrollAndJam) |
1104 | << AssumeSafetyArg; |
1105 | } |
1106 | return false; |
1107 | } |
1108 | if (Toks.size() > 2) |
1109 | Diag(Tok.getLocation(), diag::warn_pragma_extra_tokens_at_eol) |
1110 | << PragmaLoopHintString(Info->PragmaName, Info->Option); |
1111 | Hint.StateLoc = IdentifierLoc::create(Actions.Context, StateLoc, StateInfo); |
1112 | } else { |
1113 | |
1114 | PP.EnterTokenStream(Toks, ); |
1115 | ConsumeAnnotationToken(); |
1116 | |
1117 | ExprResult R = ParseConstantExpression(); |
1118 | |
1119 | |
1120 | |
1121 | if (Tok.isNot(tok::eof)) { |
1122 | Diag(Tok.getLocation(), diag::warn_pragma_extra_tokens_at_eol) |
1123 | << PragmaLoopHintString(Info->PragmaName, Info->Option); |
1124 | while (Tok.isNot(tok::eof)) |
1125 | ConsumeAnyToken(); |
1126 | } |
1127 | |
1128 | ConsumeToken(); |
1129 | |
1130 | if (R.isInvalid() || |
1131 | Actions.CheckLoopHintExpr(R.get(), Toks[0].getLocation())) |
1132 | return false; |
1133 | |
1134 | |
1135 | Hint.ValueExpr = R.get(); |
1136 | } |
1137 | |
1138 | Hint.Range = SourceRange(Info->PragmaName.getLocation(), |
1139 | Info->Toks.back().getLocation()); |
1140 | return true; |
1141 | } |
1142 | |
1143 | namespace { |
1144 | struct PragmaAttributeInfo { |
1145 | enum ActionType { Push, Pop, Attribute }; |
1146 | ParsedAttributes &Attributes; |
1147 | ActionType Action; |
1148 | const IdentifierInfo *Namespace = nullptr; |
1149 | ArrayRef<Token> Tokens; |
1150 | |
1151 | PragmaAttributeInfo(ParsedAttributes &Attributes) : Attributes(Attributes) {} |
1152 | }; |
1153 | |
1154 | #include "clang/Parse/AttrSubMatchRulesParserStringSwitches.inc" |
1155 | |
1156 | } |
1157 | |
1158 | static StringRef getIdentifier(const Token &Tok) { |
1159 | if (Tok.is(tok::identifier)) |
1160 | return Tok.getIdentifierInfo()->getName(); |
1161 | const char *S = tok::getKeywordSpelling(Tok.getKind()); |
1162 | if (!S) |
1163 | return ""; |
1164 | return S; |
1165 | } |
1166 | |
1167 | static bool isAbstractAttrMatcherRule(attr::SubjectMatchRule Rule) { |
1168 | using namespace attr; |
1169 | switch (Rule) { |
1170 | #define ATTR_MATCH_RULE(Value, Spelling, IsAbstract) \ |
1171 | case Value: \ |
1172 | return IsAbstract; |
1173 | #include "clang/Basic/AttrSubMatchRulesList.inc" |
1174 | } |
1175 | llvm_unreachable("Invalid attribute subject match rule"); |
1176 | return false; |
1177 | } |
1178 | |
1179 | static void diagnoseExpectedAttributeSubjectSubRule( |
1180 | Parser &PRef, attr::SubjectMatchRule PrimaryRule, StringRef PrimaryRuleName, |
1181 | SourceLocation SubRuleLoc) { |
1182 | auto Diagnostic = |
1183 | PRef.Diag(SubRuleLoc, |
1184 | diag::err_pragma_attribute_expected_subject_sub_identifier) |
1185 | << PrimaryRuleName; |
1186 | if (const char *SubRules = validAttributeSubjectMatchSubRules(PrimaryRule)) |
1187 | Diagnostic << << SubRules; |
1188 | else |
1189 | Diagnostic << ; |
1190 | } |
1191 | |
1192 | static void diagnoseUnknownAttributeSubjectSubRule( |
1193 | Parser &PRef, attr::SubjectMatchRule PrimaryRule, StringRef PrimaryRuleName, |
1194 | StringRef SubRuleName, SourceLocation SubRuleLoc) { |
1195 | |
1196 | auto Diagnostic = |
1197 | PRef.Diag(SubRuleLoc, diag::err_pragma_attribute_unknown_subject_sub_rule) |
1198 | << SubRuleName << PrimaryRuleName; |
1199 | if (const char *SubRules = validAttributeSubjectMatchSubRules(PrimaryRule)) |
1200 | Diagnostic << << SubRules; |
1201 | else |
1202 | Diagnostic << ; |
1203 | } |
1204 | |
1205 | bool Parser::ParsePragmaAttributeSubjectMatchRuleSet( |
1206 | attr::ParsedSubjectMatchRuleSet &SubjectMatchRules, SourceLocation &AnyLoc, |
1207 | SourceLocation &LastMatchRuleEndLoc) { |
1208 | bool IsAny = false; |
1209 | BalancedDelimiterTracker AnyParens(*this, tok::l_paren); |
1210 | if (getIdentifier(Tok) == "any") { |
1211 | AnyLoc = ConsumeToken(); |
1212 | IsAny = true; |
1213 | if (AnyParens.expectAndConsume()) |
1214 | return true; |
1215 | } |
1216 | |
1217 | do { |
1218 | |
1219 | StringRef Name = getIdentifier(Tok); |
1220 | if (Name.empty()) { |
1221 | Diag(Tok, diag::err_pragma_attribute_expected_subject_identifier); |
1222 | return true; |
1223 | } |
1224 | std::pair<Optional<attr::SubjectMatchRule>, |
1225 | Optional<attr::SubjectMatchRule> (*)(StringRef, bool)> |
1226 | Rule = isAttributeSubjectMatchRule(Name); |
1227 | if (!Rule.first) { |
1228 | Diag(Tok, diag::err_pragma_attribute_unknown_subject_rule) << Name; |
1229 | return true; |
1230 | } |
1231 | attr::SubjectMatchRule PrimaryRule = *Rule.first; |
1232 | SourceLocation RuleLoc = ConsumeToken(); |
1233 | |
1234 | BalancedDelimiterTracker Parens(*this, tok::l_paren); |
1235 | if (isAbstractAttrMatcherRule(PrimaryRule)) { |
1236 | if (Parens.expectAndConsume()) |
1237 | return true; |
1238 | } else if (Parens.consumeOpen()) { |
1239 | if (!SubjectMatchRules |
1240 | .insert( |
1241 | std::make_pair(PrimaryRule, SourceRange(RuleLoc, RuleLoc))) |
1242 | .second) |
1243 | Diag(RuleLoc, diag::err_pragma_attribute_duplicate_subject) |
1244 | << Name |
1245 | << FixItHint::CreateRemoval(SourceRange( |
1246 | RuleLoc, Tok.is(tok::comma) ? Tok.getLocation() : RuleLoc)); |
1247 | LastMatchRuleEndLoc = RuleLoc; |
1248 | continue; |
1249 | } |
1250 | |
1251 | |
1252 | StringRef SubRuleName = getIdentifier(Tok); |
1253 | if (SubRuleName.empty()) { |
1254 | diagnoseExpectedAttributeSubjectSubRule(*this, PrimaryRule, Name, |
1255 | Tok.getLocation()); |
1256 | return true; |
1257 | } |
1258 | attr::SubjectMatchRule SubRule; |
1259 | if (SubRuleName == "unless") { |
1260 | SourceLocation SubRuleLoc = ConsumeToken(); |
1261 | BalancedDelimiterTracker Parens(*this, tok::l_paren); |
1262 | if (Parens.expectAndConsume()) |
1263 | return true; |
1264 | SubRuleName = getIdentifier(Tok); |
1265 | if (SubRuleName.empty()) { |
1266 | diagnoseExpectedAttributeSubjectSubRule(*this, PrimaryRule, Name, |
1267 | SubRuleLoc); |
1268 | return true; |
1269 | } |
1270 | auto SubRuleOrNone = Rule.second(SubRuleName, ); |
1271 | if (!SubRuleOrNone) { |
1272 | std::string SubRuleUnlessName = "unless(" + SubRuleName.str() + ")"; |
1273 | diagnoseUnknownAttributeSubjectSubRule(*this, PrimaryRule, Name, |
1274 | SubRuleUnlessName, SubRuleLoc); |
1275 | return true; |
1276 | } |
1277 | SubRule = *SubRuleOrNone; |
1278 | ConsumeToken(); |
1279 | if (Parens.consumeClose()) |
1280 | return true; |
1281 | } else { |
1282 | auto SubRuleOrNone = Rule.second(SubRuleName, ); |
1283 | if (!SubRuleOrNone) { |
1284 | diagnoseUnknownAttributeSubjectSubRule(*this, PrimaryRule, Name, |
1285 | SubRuleName, Tok.getLocation()); |
1286 | return true; |
1287 | } |
1288 | SubRule = *SubRuleOrNone; |
1289 | ConsumeToken(); |
1290 | } |
1291 | SourceLocation RuleEndLoc = Tok.getLocation(); |
1292 | LastMatchRuleEndLoc = RuleEndLoc; |
1293 | if (Parens.consumeClose()) |
1294 | return true; |
1295 | if (!SubjectMatchRules |
1296 | .insert(std::make_pair(SubRule, SourceRange(RuleLoc, RuleEndLoc))) |
1297 | .second) { |
1298 | Diag(RuleLoc, diag::err_pragma_attribute_duplicate_subject) |
1299 | << attr::getSubjectMatchRuleSpelling(SubRule) |
1300 | << FixItHint::CreateRemoval(SourceRange( |
1301 | RuleLoc, Tok.is(tok::comma) ? Tok.getLocation() : RuleEndLoc)); |
1302 | continue; |
1303 | } |
1304 | } while (IsAny && TryConsumeToken(tok::comma)); |
1305 | |
1306 | if (IsAny) |
1307 | if (AnyParens.consumeClose()) |
1308 | return true; |
1309 | |
1310 | return false; |
1311 | } |
1312 | |
1313 | namespace { |
1314 | |
1315 | |
1316 | enum class MissingAttributeSubjectRulesRecoveryPoint { |
1317 | Comma, |
1318 | ApplyTo, |
1319 | Equals, |
1320 | Any, |
1321 | None, |
1322 | }; |
1323 | |
1324 | MissingAttributeSubjectRulesRecoveryPoint |
1325 | getAttributeSubjectRulesRecoveryPointForToken(const Token &Tok) { |
1326 | if (const auto *II = Tok.getIdentifierInfo()) { |
1327 | if (II->isStr("apply_to")) |
1328 | return MissingAttributeSubjectRulesRecoveryPoint::ApplyTo; |
1329 | if (II->isStr("any")) |
1330 | return MissingAttributeSubjectRulesRecoveryPoint::Any; |
1331 | } |
1332 | if (Tok.is(tok::equal)) |
1333 | return MissingAttributeSubjectRulesRecoveryPoint::Equals; |
1334 | return MissingAttributeSubjectRulesRecoveryPoint::None; |
1335 | } |
1336 | |
1337 | |
1338 | |
1339 | |
1340 | DiagnosticBuilder createExpectedAttributeSubjectRulesTokenDiagnostic( |
1341 | unsigned DiagID, ParsedAttr &Attribute, |
1342 | MissingAttributeSubjectRulesRecoveryPoint Point, Parser &PRef) { |
1343 | SourceLocation Loc = PRef.getEndOfPreviousToken(); |
1344 | if (Loc.isInvalid()) |
1345 | Loc = PRef.getCurToken().getLocation(); |
1346 | auto Diagnostic = PRef.Diag(Loc, DiagID); |
1347 | std::string FixIt; |
1348 | MissingAttributeSubjectRulesRecoveryPoint EndPoint = |
1349 | getAttributeSubjectRulesRecoveryPointForToken(PRef.getCurToken()); |
1350 | if (Point == MissingAttributeSubjectRulesRecoveryPoint::Comma) |
1351 | FixIt = ", "; |
1352 | if (Point <= MissingAttributeSubjectRulesRecoveryPoint::ApplyTo && |
1353 | EndPoint > MissingAttributeSubjectRulesRecoveryPoint::ApplyTo) |
1354 | FixIt += "apply_to"; |
1355 | if (Point <= MissingAttributeSubjectRulesRecoveryPoint::Equals && |
1356 | EndPoint > MissingAttributeSubjectRulesRecoveryPoint::Equals) |
1357 | FixIt += " = "; |
1358 | SourceRange FixItRange(Loc); |
1359 | if (EndPoint == MissingAttributeSubjectRulesRecoveryPoint::None) { |
1360 | |
1361 | SmallVector<std::pair<attr::SubjectMatchRule, bool>, 4> SubjectMatchRuleSet; |
1362 | Attribute.getMatchRules(PRef.getLangOpts(), SubjectMatchRuleSet); |
1363 | if (SubjectMatchRuleSet.empty()) { |
1364 | |
1365 | |
1366 | return Diagnostic; |
1367 | } |
1368 | FixIt += "any("; |
1369 | bool NeedsComma = false; |
1370 | for (const auto &I : SubjectMatchRuleSet) { |
1371 | |
1372 | |
1373 | if (!I.second) |
1374 | continue; |
1375 | if (NeedsComma) |
1376 | FixIt += ", "; |
1377 | else |
1378 | NeedsComma = true; |
1379 | FixIt += attr::getSubjectMatchRuleSpelling(I.first); |
1380 | } |
1381 | FixIt += ")"; |
1382 | |
1383 | PRef.SkipUntil(tok::eof, Parser::StopBeforeMatch); |
1384 | FixItRange.setEnd(PRef.getCurToken().getLocation()); |
1385 | } |
1386 | if (FixItRange.getBegin() == FixItRange.getEnd()) |
1387 | Diagnostic << FixItHint::CreateInsertion(FixItRange.getBegin(), FixIt); |
1388 | else |
1389 | Diagnostic << FixItHint::CreateReplacement( |
1390 | CharSourceRange::getCharRange(FixItRange), FixIt); |
1391 | return Diagnostic; |
1392 | } |
1393 | |
1394 | } |
1395 | |
1396 | void Parser::HandlePragmaAttribute() { |
1397 | (0) . __assert_fail ("Tok.is(tok..annot_pragma_attribute) && \"Expected #pragma attribute annotation token\"", "/home/seafit/code_projects/clang_source/clang/lib/Parse/ParsePragma.cpp", 1398, __PRETTY_FUNCTION__))" file_link="../../../include/assert.h.html#88" macro="true">assert(Tok.is(tok::annot_pragma_attribute) && |
1398 | (0) . __assert_fail ("Tok.is(tok..annot_pragma_attribute) && \"Expected #pragma attribute annotation token\"", "/home/seafit/code_projects/clang_source/clang/lib/Parse/ParsePragma.cpp", 1398, __PRETTY_FUNCTION__))" file_link="../../../include/assert.h.html#88" macro="true"> "Expected #pragma attribute annotation token"); |
1399 | SourceLocation PragmaLoc = Tok.getLocation(); |
1400 | auto *Info = static_cast<PragmaAttributeInfo *>(Tok.getAnnotationValue()); |
1401 | if (Info->Action == PragmaAttributeInfo::Pop) { |
1402 | ConsumeAnnotationToken(); |
1403 | Actions.ActOnPragmaAttributePop(PragmaLoc, Info->Namespace); |
1404 | return; |
1405 | } |
1406 | |
1407 | (0) . __assert_fail ("(Info->Action == PragmaAttributeInfo..Push || Info->Action == PragmaAttributeInfo..Attribute) && \"Unexpected #pragma attribute command\"", "/home/seafit/code_projects/clang_source/clang/lib/Parse/ParsePragma.cpp", 1409, __PRETTY_FUNCTION__))" file_link="../../../include/assert.h.html#88" macro="true">assert((Info->Action == PragmaAttributeInfo::Push || |
1408 | (0) . __assert_fail ("(Info->Action == PragmaAttributeInfo..Push || Info->Action == PragmaAttributeInfo..Attribute) && \"Unexpected #pragma attribute command\"", "/home/seafit/code_projects/clang_source/clang/lib/Parse/ParsePragma.cpp", 1409, __PRETTY_FUNCTION__))" file_link="../../../include/assert.h.html#88" macro="true"> Info->Action == PragmaAttributeInfo::Attribute) && |
1409 | (0) . __assert_fail ("(Info->Action == PragmaAttributeInfo..Push || Info->Action == PragmaAttributeInfo..Attribute) && \"Unexpected #pragma attribute command\"", "/home/seafit/code_projects/clang_source/clang/lib/Parse/ParsePragma.cpp", 1409, __PRETTY_FUNCTION__))" file_link="../../../include/assert.h.html#88" macro="true"> "Unexpected #pragma attribute command"); |
1410 | |
1411 | if (Info->Action == PragmaAttributeInfo::Push && Info->Tokens.empty()) { |
1412 | ConsumeAnnotationToken(); |
1413 | Actions.ActOnPragmaAttributeEmptyPush(PragmaLoc, Info->Namespace); |
1414 | return; |
1415 | } |
1416 | |
1417 | PP.EnterTokenStream(Info->Tokens, ); |
1418 | ConsumeAnnotationToken(); |
1419 | |
1420 | ParsedAttributes &Attrs = Info->Attributes; |
1421 | Attrs.clearListOnly(); |
1422 | |
1423 | auto SkipToEnd = [this]() { |
1424 | SkipUntil(tok::eof, StopBeforeMatch); |
1425 | ConsumeToken(); |
1426 | }; |
1427 | |
1428 | if (Tok.is(tok::l_square) && NextToken().is(tok::l_square)) { |
1429 | |
1430 | ParseCXX11AttributeSpecifier(Attrs); |
1431 | } else if (Tok.is(tok::kw___attribute)) { |
1432 | ConsumeToken(); |
1433 | if (ExpectAndConsume(tok::l_paren, diag::err_expected_lparen_after, |
1434 | "attribute")) |
1435 | return SkipToEnd(); |
1436 | if (ExpectAndConsume(tok::l_paren, diag::err_expected_lparen_after, "(")) |
1437 | return SkipToEnd(); |
1438 | |
1439 | if (Tok.isNot(tok::identifier)) { |
1440 | Diag(Tok, diag::err_pragma_attribute_expected_attribute_name); |
1441 | SkipToEnd(); |
1442 | return; |
1443 | } |
1444 | IdentifierInfo *AttrName = Tok.getIdentifierInfo(); |
1445 | SourceLocation AttrNameLoc = ConsumeToken(); |
1446 | |
1447 | if (Tok.isNot(tok::l_paren)) |
1448 | Attrs.addNew(AttrName, AttrNameLoc, nullptr, AttrNameLoc, nullptr, 0, |
1449 | ParsedAttr::AS_GNU); |
1450 | else |
1451 | ParseGNUAttributeArgs(AttrName, AttrNameLoc, Attrs, , |
1452 | , |
1453 | (), ParsedAttr::AS_GNU, |
1454 | ); |
1455 | |
1456 | if (ExpectAndConsume(tok::r_paren)) |
1457 | return SkipToEnd(); |
1458 | if (ExpectAndConsume(tok::r_paren)) |
1459 | return SkipToEnd(); |
1460 | } else if (Tok.is(tok::kw___declspec)) { |
1461 | ParseMicrosoftDeclSpecs(Attrs); |
1462 | } else { |
1463 | Diag(Tok, diag::err_pragma_attribute_expected_attribute_syntax); |
1464 | if (Tok.getIdentifierInfo()) { |
1465 | |
1466 | |
1467 | if (ParsedAttr::getKind(Tok.getIdentifierInfo(), , |
1468 | ParsedAttr::AS_GNU) != |
1469 | ParsedAttr::UnknownAttribute) { |
1470 | SourceLocation InsertStartLoc = Tok.getLocation(); |
1471 | ConsumeToken(); |
1472 | if (Tok.is(tok::l_paren)) { |
1473 | ConsumeAnyToken(); |
1474 | SkipUntil(tok::r_paren, StopBeforeMatch); |
1475 | if (Tok.isNot(tok::r_paren)) |
1476 | return SkipToEnd(); |
1477 | } |
1478 | Diag(Tok, diag::note_pragma_attribute_use_attribute_kw) |
1479 | << FixItHint::CreateInsertion(InsertStartLoc, "__attribute__((") |
1480 | << FixItHint::CreateInsertion(Tok.getEndLoc(), "))"); |
1481 | } |
1482 | } |
1483 | SkipToEnd(); |
1484 | return; |
1485 | } |
1486 | |
1487 | if (Attrs.empty() || Attrs.begin()->isInvalid()) { |
1488 | SkipToEnd(); |
1489 | return; |
1490 | } |
1491 | |
1492 | |
1493 | if (Attrs.size() > 1) { |
1494 | SourceLocation Loc = Attrs[1].getLoc(); |
1495 | Diag(Loc, diag::err_pragma_attribute_multiple_attributes); |
1496 | SkipToEnd(); |
1497 | return; |
1498 | } |
1499 | |
1500 | ParsedAttr &Attribute = *Attrs.begin(); |
1501 | if (!Attribute.isSupportedByPragmaAttribute()) { |
1502 | Diag(PragmaLoc, diag::err_pragma_attribute_unsupported_attribute) |
1503 | << Attribute.getName(); |
1504 | SkipToEnd(); |
1505 | return; |
1506 | } |
1507 | |
1508 | |
1509 | if (!TryConsumeToken(tok::comma)) { |
1510 | createExpectedAttributeSubjectRulesTokenDiagnostic( |
1511 | diag::err_expected, Attribute, |
1512 | MissingAttributeSubjectRulesRecoveryPoint::Comma, *this) |
1513 | << tok::comma; |
1514 | SkipToEnd(); |
1515 | return; |
1516 | } |
1517 | |
1518 | if (Tok.isNot(tok::identifier)) { |
1519 | createExpectedAttributeSubjectRulesTokenDiagnostic( |
1520 | diag::err_pragma_attribute_invalid_subject_set_specifier, Attribute, |
1521 | MissingAttributeSubjectRulesRecoveryPoint::ApplyTo, *this); |
1522 | SkipToEnd(); |
1523 | return; |
1524 | } |
1525 | const IdentifierInfo *II = Tok.getIdentifierInfo(); |
1526 | if (!II->isStr("apply_to")) { |
1527 | createExpectedAttributeSubjectRulesTokenDiagnostic( |
1528 | diag::err_pragma_attribute_invalid_subject_set_specifier, Attribute, |
1529 | MissingAttributeSubjectRulesRecoveryPoint::ApplyTo, *this); |
1530 | SkipToEnd(); |
1531 | return; |
1532 | } |
1533 | ConsumeToken(); |
1534 | |
1535 | if (!TryConsumeToken(tok::equal)) { |
1536 | createExpectedAttributeSubjectRulesTokenDiagnostic( |
1537 | diag::err_expected, Attribute, |
1538 | MissingAttributeSubjectRulesRecoveryPoint::Equals, *this) |
1539 | << tok::equal; |
1540 | SkipToEnd(); |
1541 | return; |
1542 | } |
1543 | |
1544 | attr::ParsedSubjectMatchRuleSet SubjectMatchRules; |
1545 | SourceLocation AnyLoc, LastMatchRuleEndLoc; |
1546 | if (ParsePragmaAttributeSubjectMatchRuleSet(SubjectMatchRules, AnyLoc, |
1547 | LastMatchRuleEndLoc)) { |
1548 | SkipToEnd(); |
1549 | return; |
1550 | } |
1551 | |
1552 | |
1553 | |
1554 | if (Tok.isNot(tok::eof)) { |
1555 | Diag(Tok, diag::err_pragma_attribute_extra_tokens_after_attribute); |
1556 | SkipToEnd(); |
1557 | return; |
1558 | } |
1559 | |
1560 | |
1561 | ConsumeToken(); |
1562 | |
1563 | |
1564 | if (Info->Action == PragmaAttributeInfo::Push) |
1565 | Actions.ActOnPragmaAttributeEmptyPush(PragmaLoc, Info->Namespace); |
1566 | |
1567 | Actions.ActOnPragmaAttributeAttribute(Attribute, PragmaLoc, |
1568 | std::move(SubjectMatchRules)); |
1569 | } |
1570 | |
1571 | |
1572 | |
1573 | |
1574 | void PragmaGCCVisibilityHandler::HandlePragma(Preprocessor &PP, |
1575 | PragmaIntroducerKind Introducer, |
1576 | Token &VisTok) { |
1577 | SourceLocation VisLoc = VisTok.getLocation(); |
1578 | |
1579 | Token Tok; |
1580 | PP.LexUnexpandedToken(Tok); |
1581 | |
1582 | const IdentifierInfo *PushPop = Tok.getIdentifierInfo(); |
1583 | |
1584 | const IdentifierInfo *VisType; |
1585 | if (PushPop && PushPop->isStr("pop")) { |
1586 | VisType = nullptr; |
1587 | } else if (PushPop && PushPop->isStr("push")) { |
1588 | PP.LexUnexpandedToken(Tok); |
1589 | if (Tok.isNot(tok::l_paren)) { |
1590 | PP.Diag(Tok.getLocation(), diag::warn_pragma_expected_lparen) |
1591 | << "visibility"; |
1592 | return; |
1593 | } |
1594 | PP.LexUnexpandedToken(Tok); |
1595 | VisType = Tok.getIdentifierInfo(); |
1596 | if (!VisType) { |
1597 | PP.Diag(Tok.getLocation(), diag::warn_pragma_expected_identifier) |
1598 | << "visibility"; |
1599 | return; |
1600 | } |
1601 | PP.LexUnexpandedToken(Tok); |
1602 | if (Tok.isNot(tok::r_paren)) { |
1603 | PP.Diag(Tok.getLocation(), diag::warn_pragma_expected_rparen) |
1604 | << "visibility"; |
1605 | return; |
1606 | } |
1607 | } else { |
1608 | PP.Diag(Tok.getLocation(), diag::warn_pragma_expected_identifier) |
1609 | << "visibility"; |
1610 | return; |
1611 | } |
1612 | SourceLocation EndLoc = Tok.getLocation(); |
1613 | PP.LexUnexpandedToken(Tok); |
1614 | if (Tok.isNot(tok::eod)) { |
1615 | PP.Diag(Tok.getLocation(), diag::warn_pragma_extra_tokens_at_eol) |
1616 | << "visibility"; |
1617 | return; |
1618 | } |
1619 | |
1620 | auto Toks = llvm::make_unique<Token[]>(1); |
1621 | Toks[0].startToken(); |
1622 | Toks[0].setKind(tok::annot_pragma_vis); |
1623 | Toks[0].setLocation(VisLoc); |
1624 | Toks[0].setAnnotationEndLoc(EndLoc); |
1625 | Toks[0].setAnnotationValue( |
1626 | const_cast<void*>(static_cast<const void*>(VisType))); |
1627 | PP.EnterTokenStream(std::move(Toks), 1, ); |
1628 | } |
1629 | |
1630 | |
1631 | |
1632 | |
1633 | |
1634 | void PragmaPackHandler::HandlePragma(Preprocessor &PP, |
1635 | PragmaIntroducerKind Introducer, |
1636 | Token &PackTok) { |
1637 | SourceLocation PackLoc = PackTok.getLocation(); |
1638 | |
1639 | Token Tok; |
1640 | PP.Lex(Tok); |
1641 | if (Tok.isNot(tok::l_paren)) { |
1642 | PP.Diag(Tok.getLocation(), diag::warn_pragma_expected_lparen) << "pack"; |
1643 | return; |
1644 | } |
1645 | |
1646 | Sema::PragmaMsStackAction Action = Sema::PSK_Reset; |
1647 | StringRef SlotLabel; |
1648 | Token Alignment; |
1649 | Alignment.startToken(); |
1650 | PP.Lex(Tok); |
1651 | if (Tok.is(tok::numeric_constant)) { |
1652 | Alignment = Tok; |
1653 | |
1654 | PP.Lex(Tok); |
1655 | |
1656 | |
1657 | |
1658 | |
1659 | Action = |
1660 | PP.getLangOpts().ApplePragmaPack ? Sema::PSK_Push_Set : Sema::PSK_Set; |
1661 | } else if (Tok.is(tok::identifier)) { |
1662 | const IdentifierInfo *II = Tok.getIdentifierInfo(); |
1663 | if (II->isStr("show")) { |
1664 | Action = Sema::PSK_Show; |
1665 | PP.Lex(Tok); |
1666 | } else { |
1667 | if (II->isStr("push")) { |
1668 | Action = Sema::PSK_Push; |
1669 | } else if (II->isStr("pop")) { |
1670 | Action = Sema::PSK_Pop; |
1671 | } else { |
1672 | PP.Diag(Tok.getLocation(), diag::warn_pragma_invalid_action) << "pack"; |
1673 | return; |
1674 | } |
1675 | PP.Lex(Tok); |
1676 | |
1677 | if (Tok.is(tok::comma)) { |
1678 | PP.Lex(Tok); |
1679 | |
1680 | if (Tok.is(tok::numeric_constant)) { |
1681 | Action = (Sema::PragmaMsStackAction)(Action | Sema::PSK_Set); |
1682 | Alignment = Tok; |
1683 | |
1684 | PP.Lex(Tok); |
1685 | } else if (Tok.is(tok::identifier)) { |
1686 | SlotLabel = Tok.getIdentifierInfo()->getName(); |
1687 | PP.Lex(Tok); |
1688 | |
1689 | if (Tok.is(tok::comma)) { |
1690 | PP.Lex(Tok); |
1691 | |
1692 | if (Tok.isNot(tok::numeric_constant)) { |
1693 | PP.Diag(Tok.getLocation(), diag::warn_pragma_pack_malformed); |
1694 | return; |
1695 | } |
1696 | |
1697 | Action = (Sema::PragmaMsStackAction)(Action | Sema::PSK_Set); |
1698 | Alignment = Tok; |
1699 | |
1700 | PP.Lex(Tok); |
1701 | } |
1702 | } else { |
1703 | PP.Diag(Tok.getLocation(), diag::warn_pragma_pack_malformed); |
1704 | return; |
1705 | } |
1706 | } |
1707 | } |
1708 | } else if (PP.getLangOpts().ApplePragmaPack) { |
1709 | |
1710 | |
1711 | |
1712 | Action = Sema::PSK_Pop; |
1713 | } |
1714 | |
1715 | if (Tok.isNot(tok::r_paren)) { |
1716 | PP.Diag(Tok.getLocation(), diag::warn_pragma_expected_rparen) << "pack"; |
1717 | return; |
1718 | } |
1719 | |
1720 | SourceLocation RParenLoc = Tok.getLocation(); |
1721 | PP.Lex(Tok); |
1722 | if (Tok.isNot(tok::eod)) { |
1723 | PP.Diag(Tok.getLocation(), diag::warn_pragma_extra_tokens_at_eol) << "pack"; |
1724 | return; |
1725 | } |
1726 | |
1727 | PragmaPackInfo *Info = |
1728 | PP.getPreprocessorAllocator().Allocate<PragmaPackInfo>(1); |
1729 | Info->Action = Action; |
1730 | Info->SlotLabel = SlotLabel; |
1731 | Info->Alignment = Alignment; |
1732 | |
1733 | MutableArrayRef<Token> Toks(PP.getPreprocessorAllocator().Allocate<Token>(1), |
1734 | 1); |
1735 | Toks[0].startToken(); |
1736 | Toks[0].setKind(tok::annot_pragma_pack); |
1737 | Toks[0].setLocation(PackLoc); |
1738 | Toks[0].setAnnotationEndLoc(RParenLoc); |
1739 | Toks[0].setAnnotationValue(static_cast<void*>(Info)); |
1740 | PP.EnterTokenStream(Toks, ); |
1741 | } |
1742 | |
1743 | |
1744 | |
1745 | void PragmaMSStructHandler::HandlePragma(Preprocessor &PP, |
1746 | PragmaIntroducerKind Introducer, |
1747 | Token &MSStructTok) { |
1748 | PragmaMSStructKind Kind = PMSST_OFF; |
1749 | |
1750 | Token Tok; |
1751 | PP.Lex(Tok); |
1752 | if (Tok.isNot(tok::identifier)) { |
1753 | PP.Diag(Tok.getLocation(), diag::warn_pragma_ms_struct); |
1754 | return; |
1755 | } |
1756 | SourceLocation EndLoc = Tok.getLocation(); |
1757 | const IdentifierInfo *II = Tok.getIdentifierInfo(); |
1758 | if (II->isStr("on")) { |
1759 | Kind = PMSST_ON; |
1760 | PP.Lex(Tok); |
1761 | } |
1762 | else if (II->isStr("off") || II->isStr("reset")) |
1763 | PP.Lex(Tok); |
1764 | else { |
1765 | PP.Diag(Tok.getLocation(), diag::warn_pragma_ms_struct); |
1766 | return; |
1767 | } |
1768 | |
1769 | if (Tok.isNot(tok::eod)) { |
1770 | PP.Diag(Tok.getLocation(), diag::warn_pragma_extra_tokens_at_eol) |
1771 | << "ms_struct"; |
1772 | return; |
1773 | } |
1774 | |
1775 | MutableArrayRef<Token> Toks(PP.getPreprocessorAllocator().Allocate<Token>(1), |
1776 | 1); |
1777 | Toks[0].startToken(); |
1778 | Toks[0].setKind(tok::annot_pragma_msstruct); |
1779 | Toks[0].setLocation(MSStructTok.getLocation()); |
1780 | Toks[0].setAnnotationEndLoc(EndLoc); |
1781 | Toks[0].setAnnotationValue(reinterpret_cast<void*>( |
1782 | static_cast<uintptr_t>(Kind))); |
1783 | PP.EnterTokenStream(Toks, ); |
1784 | } |
1785 | |
1786 | |
1787 | void PragmaClangSectionHandler::HandlePragma(Preprocessor &PP, |
1788 | PragmaIntroducerKind Introducer, Token &FirstToken) { |
1789 | |
1790 | Token Tok; |
1791 | auto SecKind = Sema::PragmaClangSectionKind::PCSK_Invalid; |
1792 | |
1793 | PP.Lex(Tok); |
1794 | while (Tok.isNot(tok::eod)) { |
1795 | if (Tok.isNot(tok::identifier)) { |
1796 | PP.Diag(Tok.getLocation(), diag::err_pragma_expected_clang_section_name) << "clang section"; |
1797 | return; |
1798 | } |
1799 | |
1800 | const IdentifierInfo *SecType = Tok.getIdentifierInfo(); |
1801 | if (SecType->isStr("bss")) |
1802 | SecKind = Sema::PragmaClangSectionKind::PCSK_BSS; |
1803 | else if (SecType->isStr("data")) |
1804 | SecKind = Sema::PragmaClangSectionKind::PCSK_Data; |
1805 | else if (SecType->isStr("rodata")) |
1806 | SecKind = Sema::PragmaClangSectionKind::PCSK_Rodata; |
1807 | else if (SecType->isStr("text")) |
1808 | SecKind = Sema::PragmaClangSectionKind::PCSK_Text; |
1809 | else { |
1810 | PP.Diag(Tok.getLocation(), diag::err_pragma_expected_clang_section_name) << "clang section"; |
1811 | return; |
1812 | } |
1813 | |
1814 | PP.Lex(Tok); |
1815 | if (Tok.isNot(tok::equal)) { |
1816 | PP.Diag(Tok.getLocation(), diag::err_pragma_clang_section_expected_equal) << SecKind; |
1817 | return; |
1818 | } |
1819 | |
1820 | std::string SecName; |
1821 | if (!PP.LexStringLiteral(Tok, SecName, "pragma clang section", false)) |
1822 | return; |
1823 | |
1824 | Actions.ActOnPragmaClangSection(Tok.getLocation(), |
1825 | (SecName.size()? Sema::PragmaClangSectionAction::PCSA_Set : |
1826 | Sema::PragmaClangSectionAction::PCSA_Clear), |
1827 | SecKind, SecName); |
1828 | } |
1829 | } |
1830 | |
1831 | |
1832 | |
1833 | static void ParseAlignPragma(Preprocessor &PP, Token &FirstTok, |
1834 | bool IsOptions) { |
1835 | Token Tok; |
1836 | |
1837 | if (IsOptions) { |
1838 | PP.Lex(Tok); |
1839 | if (Tok.isNot(tok::identifier) || |
1840 | !Tok.getIdentifierInfo()->isStr("align")) { |
1841 | PP.Diag(Tok.getLocation(), diag::warn_pragma_options_expected_align); |
1842 | return; |
1843 | } |
1844 | } |
1845 | |
1846 | PP.Lex(Tok); |
1847 | if (Tok.isNot(tok::equal)) { |
1848 | PP.Diag(Tok.getLocation(), diag::warn_pragma_align_expected_equal) |
1849 | << IsOptions; |
1850 | return; |
1851 | } |
1852 | |
1853 | PP.Lex(Tok); |
1854 | if (Tok.isNot(tok::identifier)) { |
1855 | PP.Diag(Tok.getLocation(), diag::warn_pragma_expected_identifier) |
1856 | << (IsOptions ? "options" : "align"); |
1857 | return; |
1858 | } |
1859 | |
1860 | Sema::PragmaOptionsAlignKind Kind = Sema::POAK_Natural; |
1861 | const IdentifierInfo *II = Tok.getIdentifierInfo(); |
1862 | if (II->isStr("native")) |
1863 | Kind = Sema::POAK_Native; |
1864 | else if (II->isStr("natural")) |
1865 | Kind = Sema::POAK_Natural; |
1866 | else if (II->isStr("packed")) |
1867 | Kind = Sema::POAK_Packed; |
1868 | else if (II->isStr("power")) |
1869 | Kind = Sema::POAK_Power; |
1870 | else if (II->isStr("mac68k")) |
1871 | Kind = Sema::POAK_Mac68k; |
1872 | else if (II->isStr("reset")) |
1873 | Kind = Sema::POAK_Reset; |
1874 | else { |
1875 | PP.Diag(Tok.getLocation(), diag::warn_pragma_align_invalid_option) |
1876 | << IsOptions; |
1877 | return; |
1878 | } |
1879 | |
1880 | SourceLocation EndLoc = Tok.getLocation(); |
1881 | PP.Lex(Tok); |
1882 | if (Tok.isNot(tok::eod)) { |
1883 | PP.Diag(Tok.getLocation(), diag::warn_pragma_extra_tokens_at_eol) |
1884 | << (IsOptions ? "options" : "align"); |
1885 | return; |
1886 | } |
1887 | |
1888 | MutableArrayRef<Token> Toks(PP.getPreprocessorAllocator().Allocate<Token>(1), |
1889 | 1); |
1890 | Toks[0].startToken(); |
1891 | Toks[0].setKind(tok::annot_pragma_align); |
1892 | Toks[0].setLocation(FirstTok.getLocation()); |
1893 | Toks[0].setAnnotationEndLoc(EndLoc); |
1894 | Toks[0].setAnnotationValue(reinterpret_cast<void*>( |
1895 | static_cast<uintptr_t>(Kind))); |
1896 | PP.EnterTokenStream(Toks, ); |
1897 | } |
1898 | |
1899 | void PragmaAlignHandler::HandlePragma(Preprocessor &PP, |
1900 | PragmaIntroducerKind Introducer, |
1901 | Token &AlignTok) { |
1902 | ParseAlignPragma(PP, AlignTok, ); |
1903 | } |
1904 | |
1905 | void PragmaOptionsHandler::HandlePragma(Preprocessor &PP, |
1906 | PragmaIntroducerKind Introducer, |
1907 | Token &OptionsTok) { |
1908 | ParseAlignPragma(PP, OptionsTok, ); |
1909 | } |
1910 | |
1911 | |
1912 | void PragmaUnusedHandler::HandlePragma(Preprocessor &PP, |
1913 | PragmaIntroducerKind Introducer, |
1914 | Token &UnusedTok) { |
1915 | |
1916 | SourceLocation UnusedLoc = UnusedTok.getLocation(); |
1917 | |
1918 | |
1919 | Token Tok; |
1920 | PP.Lex(Tok); |
1921 | if (Tok.isNot(tok::l_paren)) { |
1922 | PP.Diag(Tok.getLocation(), diag::warn_pragma_expected_lparen) << "unused"; |
1923 | return; |
1924 | } |
1925 | |
1926 | |
1927 | SmallVector<Token, 5> Identifiers; |
1928 | SourceLocation RParenLoc; |
1929 | bool LexID = true; |
1930 | |
1931 | while (true) { |
1932 | PP.Lex(Tok); |
1933 | |
1934 | if (LexID) { |
1935 | if (Tok.is(tok::identifier)) { |
1936 | Identifiers.push_back(Tok); |
1937 | LexID = false; |
1938 | continue; |
1939 | } |
1940 | |
1941 | |
1942 | PP.Diag(Tok.getLocation(), diag::warn_pragma_unused_expected_var); |
1943 | return; |
1944 | } |
1945 | |
1946 | |
1947 | if (Tok.is(tok::comma)) { |
1948 | LexID = true; |
1949 | continue; |
1950 | } |
1951 | |
1952 | if (Tok.is(tok::r_paren)) { |
1953 | RParenLoc = Tok.getLocation(); |
1954 | break; |
1955 | } |
1956 | |
1957 | |
1958 | PP.Diag(Tok.getLocation(), diag::warn_pragma_expected_punc) << "unused"; |
1959 | return; |
1960 | } |
1961 | |
1962 | PP.Lex(Tok); |
1963 | if (Tok.isNot(tok::eod)) { |
1964 | PP.Diag(Tok.getLocation(), diag::warn_pragma_extra_tokens_at_eol) << |
1965 | "unused"; |
1966 | return; |
1967 | } |
1968 | |
1969 | |
1970 | (0) . __assert_fail ("RParenLoc.isValid() && \"Valid '#pragma unused' must have ')'\"", "/home/seafit/code_projects/clang_source/clang/lib/Parse/ParsePragma.cpp", 1970, __PRETTY_FUNCTION__))" file_link="../../../include/assert.h.html#88" macro="true">assert(RParenLoc.isValid() && "Valid '#pragma unused' must have ')'"); |
1971 | (0) . __assert_fail ("!Identifiers.empty() && \"Valid '#pragma unused' must have arguments\"", "/home/seafit/code_projects/clang_source/clang/lib/Parse/ParsePragma.cpp", 1971, __PRETTY_FUNCTION__))" file_link="../../../include/assert.h.html#88" macro="true">assert(!Identifiers.empty() && "Valid '#pragma unused' must have arguments"); |
1972 | |
1973 | |
1974 | |
1975 | |
1976 | |
1977 | |
1978 | MutableArrayRef<Token> Toks( |
1979 | PP.getPreprocessorAllocator().Allocate<Token>(2 * Identifiers.size()), |
1980 | 2 * Identifiers.size()); |
1981 | for (unsigned i=0; i != Identifiers.size(); i++) { |
1982 | Token &pragmaUnusedTok = Toks[2*i], &idTok = Toks[2*i+1]; |
1983 | pragmaUnusedTok.startToken(); |
1984 | pragmaUnusedTok.setKind(tok::annot_pragma_unused); |
1985 | pragmaUnusedTok.setLocation(UnusedLoc); |
1986 | idTok = Identifiers[i]; |
1987 | } |
1988 | PP.EnterTokenStream(Toks, ); |
1989 | } |
1990 | |
1991 | |
1992 | |
1993 | void PragmaWeakHandler::HandlePragma(Preprocessor &PP, |
1994 | PragmaIntroducerKind Introducer, |
1995 | Token &WeakTok) { |
1996 | SourceLocation WeakLoc = WeakTok.getLocation(); |
1997 | |
1998 | Token Tok; |
1999 | PP.Lex(Tok); |
2000 | if (Tok.isNot(tok::identifier)) { |
2001 | PP.Diag(Tok.getLocation(), diag::warn_pragma_expected_identifier) << "weak"; |
2002 | return; |
2003 | } |
2004 | |
2005 | Token WeakName = Tok; |
2006 | bool HasAlias = false; |
2007 | Token AliasName; |
2008 | |
2009 | PP.Lex(Tok); |
2010 | if (Tok.is(tok::equal)) { |
2011 | HasAlias = true; |
2012 | PP.Lex(Tok); |
2013 | if (Tok.isNot(tok::identifier)) { |
2014 | PP.Diag(Tok.getLocation(), diag::warn_pragma_expected_identifier) |
2015 | << "weak"; |
2016 | return; |
2017 | } |
2018 | AliasName = Tok; |
2019 | PP.Lex(Tok); |
2020 | } |
2021 | |
2022 | if (Tok.isNot(tok::eod)) { |
2023 | PP.Diag(Tok.getLocation(), diag::warn_pragma_extra_tokens_at_eol) << "weak"; |
2024 | return; |
2025 | } |
2026 | |
2027 | if (HasAlias) { |
2028 | MutableArrayRef<Token> Toks( |
2029 | PP.getPreprocessorAllocator().Allocate<Token>(3), 3); |
2030 | Token &pragmaUnusedTok = Toks[0]; |
2031 | pragmaUnusedTok.startToken(); |
2032 | pragmaUnusedTok.setKind(tok::annot_pragma_weakalias); |
2033 | pragmaUnusedTok.setLocation(WeakLoc); |
2034 | pragmaUnusedTok.setAnnotationEndLoc(AliasName.getLocation()); |
2035 | Toks[1] = WeakName; |
2036 | Toks[2] = AliasName; |
2037 | PP.EnterTokenStream(Toks, ); |
2038 | } else { |
2039 | MutableArrayRef<Token> Toks( |
2040 | PP.getPreprocessorAllocator().Allocate<Token>(2), 2); |
2041 | Token &pragmaUnusedTok = Toks[0]; |
2042 | pragmaUnusedTok.startToken(); |
2043 | pragmaUnusedTok.setKind(tok::annot_pragma_weak); |
2044 | pragmaUnusedTok.setLocation(WeakLoc); |
2045 | pragmaUnusedTok.setAnnotationEndLoc(WeakLoc); |
2046 | Toks[1] = WeakName; |
2047 | PP.EnterTokenStream(Toks, ); |
2048 | } |
2049 | } |
2050 | |
2051 | |
2052 | void PragmaRedefineExtnameHandler::HandlePragma(Preprocessor &PP, |
2053 | PragmaIntroducerKind Introducer, |
2054 | Token &RedefToken) { |
2055 | SourceLocation RedefLoc = RedefToken.getLocation(); |
2056 | |
2057 | Token Tok; |
2058 | PP.Lex(Tok); |
2059 | if (Tok.isNot(tok::identifier)) { |
2060 | PP.Diag(Tok.getLocation(), diag::warn_pragma_expected_identifier) << |
2061 | "redefine_extname"; |
2062 | return; |
2063 | } |
2064 | |
2065 | Token RedefName = Tok; |
2066 | PP.Lex(Tok); |
2067 | |
2068 | if (Tok.isNot(tok::identifier)) { |
2069 | PP.Diag(Tok.getLocation(), diag::warn_pragma_expected_identifier) |
2070 | << "redefine_extname"; |
2071 | return; |
2072 | } |
2073 | |
2074 | Token AliasName = Tok; |
2075 | PP.Lex(Tok); |
2076 | |
2077 | if (Tok.isNot(tok::eod)) { |
2078 | PP.Diag(Tok.getLocation(), diag::warn_pragma_extra_tokens_at_eol) << |
2079 | "redefine_extname"; |
2080 | return; |
2081 | } |
2082 | |
2083 | MutableArrayRef<Token> Toks(PP.getPreprocessorAllocator().Allocate<Token>(3), |
2084 | 3); |
2085 | Token &pragmaRedefTok = Toks[0]; |
2086 | pragmaRedefTok.startToken(); |
2087 | pragmaRedefTok.setKind(tok::annot_pragma_redefine_extname); |
2088 | pragmaRedefTok.setLocation(RedefLoc); |
2089 | pragmaRedefTok.setAnnotationEndLoc(AliasName.getLocation()); |
2090 | Toks[1] = RedefName; |
2091 | Toks[2] = AliasName; |
2092 | PP.EnterTokenStream(Toks, ); |
2093 | } |
2094 | |
2095 | |
2096 | void |
2097 | PragmaFPContractHandler::HandlePragma(Preprocessor &PP, |
2098 | PragmaIntroducerKind Introducer, |
2099 | Token &Tok) { |
2100 | tok::OnOffSwitch OOS; |
2101 | if (PP.LexOnOffSwitch(OOS)) |
2102 | return; |
2103 | |
2104 | MutableArrayRef<Token> Toks(PP.getPreprocessorAllocator().Allocate<Token>(1), |
2105 | 1); |
2106 | Toks[0].startToken(); |
2107 | Toks[0].setKind(tok::annot_pragma_fp_contract); |
2108 | Toks[0].setLocation(Tok.getLocation()); |
2109 | Toks[0].setAnnotationEndLoc(Tok.getLocation()); |
2110 | Toks[0].setAnnotationValue(reinterpret_cast<void*>( |
2111 | static_cast<uintptr_t>(OOS))); |
2112 | PP.EnterTokenStream(Toks, ); |
2113 | } |
2114 | |
2115 | void |
2116 | PragmaOpenCLExtensionHandler::HandlePragma(Preprocessor &PP, |
2117 | PragmaIntroducerKind Introducer, |
2118 | Token &Tok) { |
2119 | PP.LexUnexpandedToken(Tok); |
2120 | if (Tok.isNot(tok::identifier)) { |
2121 | PP.Diag(Tok.getLocation(), diag::warn_pragma_expected_identifier) << |
2122 | "OPENCL"; |
2123 | return; |
2124 | } |
2125 | IdentifierInfo *Ext = Tok.getIdentifierInfo(); |
2126 | SourceLocation NameLoc = Tok.getLocation(); |
2127 | |
2128 | PP.Lex(Tok); |
2129 | if (Tok.isNot(tok::colon)) { |
2130 | PP.Diag(Tok.getLocation(), diag::warn_pragma_expected_colon) << Ext; |
2131 | return; |
2132 | } |
2133 | |
2134 | PP.Lex(Tok); |
2135 | if (Tok.isNot(tok::identifier)) { |
2136 | PP.Diag(Tok.getLocation(), diag::warn_pragma_expected_predicate) << 0; |
2137 | return; |
2138 | } |
2139 | IdentifierInfo *Pred = Tok.getIdentifierInfo(); |
2140 | |
2141 | OpenCLExtState State; |
2142 | if (Pred->isStr("enable")) { |
2143 | State = Enable; |
2144 | } else if (Pred->isStr("disable")) { |
2145 | State = Disable; |
2146 | } else if (Pred->isStr("begin")) |
2147 | State = Begin; |
2148 | else if (Pred->isStr("end")) |
2149 | State = End; |
2150 | else { |
2151 | PP.Diag(Tok.getLocation(), diag::warn_pragma_expected_predicate) |
2152 | << Ext->isStr("all"); |
2153 | return; |
2154 | } |
2155 | SourceLocation StateLoc = Tok.getLocation(); |
2156 | |
2157 | PP.Lex(Tok); |
2158 | if (Tok.isNot(tok::eod)) { |
2159 | PP.Diag(Tok.getLocation(), diag::warn_pragma_extra_tokens_at_eol) << |
2160 | "OPENCL EXTENSION"; |
2161 | return; |
2162 | } |
2163 | |
2164 | auto Info = PP.getPreprocessorAllocator().Allocate<OpenCLExtData>(1); |
2165 | Info->first = Ext; |
2166 | Info->second = State; |
2167 | MutableArrayRef<Token> Toks(PP.getPreprocessorAllocator().Allocate<Token>(1), |
2168 | 1); |
2169 | Toks[0].startToken(); |
2170 | Toks[0].setKind(tok::annot_pragma_opencl_extension); |
2171 | Toks[0].setLocation(NameLoc); |
2172 | Toks[0].setAnnotationValue(static_cast<void*>(Info)); |
2173 | Toks[0].setAnnotationEndLoc(StateLoc); |
2174 | PP.EnterTokenStream(Toks, ); |
2175 | |
2176 | if (PP.getPPCallbacks()) |
2177 | PP.getPPCallbacks()->PragmaOpenCLExtension(NameLoc, Ext, |
2178 | StateLoc, State); |
2179 | } |
2180 | |
2181 | |
2182 | |
2183 | void |
2184 | PragmaNoOpenMPHandler::HandlePragma(Preprocessor &PP, |
2185 | PragmaIntroducerKind Introducer, |
2186 | Token &FirstTok) { |
2187 | if (!PP.getDiagnostics().isIgnored(diag::warn_pragma_omp_ignored, |
2188 | FirstTok.getLocation())) { |
2189 | PP.Diag(FirstTok, diag::warn_pragma_omp_ignored); |
2190 | PP.getDiagnostics().setSeverity(diag::warn_pragma_omp_ignored, |
2191 | diag::Severity::Ignored, SourceLocation()); |
2192 | } |
2193 | PP.DiscardUntilEndOfDirective(); |
2194 | } |
2195 | |
2196 | |
2197 | |
2198 | void |
2199 | PragmaOpenMPHandler::HandlePragma(Preprocessor &PP, |
2200 | PragmaIntroducerKind Introducer, |
2201 | Token &FirstTok) { |
2202 | SmallVector<Token, 16> Pragma; |
2203 | Token Tok; |
2204 | Tok.startToken(); |
2205 | Tok.setKind(tok::annot_pragma_openmp); |
2206 | Tok.setLocation(FirstTok.getLocation()); |
2207 | |
2208 | while (Tok.isNot(tok::eod) && Tok.isNot(tok::eof)) { |
2209 | Pragma.push_back(Tok); |
2210 | PP.Lex(Tok); |
2211 | if (Tok.is(tok::annot_pragma_openmp)) { |
2212 | PP.Diag(Tok, diag::err_omp_unexpected_directive) << 0; |
2213 | unsigned InnerPragmaCnt = 1; |
2214 | while (InnerPragmaCnt != 0) { |
2215 | PP.Lex(Tok); |
2216 | if (Tok.is(tok::annot_pragma_openmp)) |
2217 | ++InnerPragmaCnt; |
2218 | else if (Tok.is(tok::annot_pragma_openmp_end)) |
2219 | --InnerPragmaCnt; |
2220 | } |
2221 | PP.Lex(Tok); |
2222 | } |
2223 | } |
2224 | SourceLocation EodLoc = Tok.getLocation(); |
2225 | Tok.startToken(); |
2226 | Tok.setKind(tok::annot_pragma_openmp_end); |
2227 | Tok.setLocation(EodLoc); |
2228 | Pragma.push_back(Tok); |
2229 | |
2230 | auto Toks = llvm::make_unique<Token[]>(Pragma.size()); |
2231 | std::copy(Pragma.begin(), Pragma.end(), Toks.get()); |
2232 | PP.EnterTokenStream(std::move(Toks), Pragma.size(), |
2233 | ); |
2234 | } |
2235 | |
2236 | |
2237 | |
2238 | |
2239 | |
2240 | |
2241 | |
2242 | |
2243 | |
2244 | void PragmaMSPointersToMembers::HandlePragma(Preprocessor &PP, |
2245 | PragmaIntroducerKind Introducer, |
2246 | Token &Tok) { |
2247 | SourceLocation PointersToMembersLoc = Tok.getLocation(); |
2248 | PP.Lex(Tok); |
2249 | if (Tok.isNot(tok::l_paren)) { |
2250 | PP.Diag(PointersToMembersLoc, diag::warn_pragma_expected_lparen) |
2251 | << "pointers_to_members"; |
2252 | return; |
2253 | } |
2254 | PP.Lex(Tok); |
2255 | const IdentifierInfo *Arg = Tok.getIdentifierInfo(); |
2256 | if (!Arg) { |
2257 | PP.Diag(Tok.getLocation(), diag::warn_pragma_expected_identifier) |
2258 | << "pointers_to_members"; |
2259 | return; |
2260 | } |
2261 | PP.Lex(Tok); |
2262 | |
2263 | LangOptions::PragmaMSPointersToMembersKind RepresentationMethod; |
2264 | if (Arg->isStr("best_case")) { |
2265 | RepresentationMethod = LangOptions::PPTMK_BestCase; |
2266 | } else { |
2267 | if (Arg->isStr("full_generality")) { |
2268 | if (Tok.is(tok::comma)) { |
2269 | PP.Lex(Tok); |
2270 | |
2271 | Arg = Tok.getIdentifierInfo(); |
2272 | if (!Arg) { |
2273 | PP.Diag(Tok.getLocation(), |
2274 | diag::err_pragma_pointers_to_members_unknown_kind) |
2275 | << Tok.getKind() << 0; |
2276 | return; |
2277 | } |
2278 | PP.Lex(Tok); |
2279 | } else if (Tok.is(tok::r_paren)) { |
2280 | |
2281 | |
2282 | Arg = nullptr; |
2283 | RepresentationMethod = LangOptions::PPTMK_FullGeneralityVirtualInheritance; |
2284 | } else { |
2285 | PP.Diag(Tok.getLocation(), diag::err_expected_punc) |
2286 | << "full_generality"; |
2287 | return; |
2288 | } |
2289 | } |
2290 | |
2291 | if (Arg) { |
2292 | if (Arg->isStr("single_inheritance")) { |
2293 | RepresentationMethod = |
2294 | LangOptions::PPTMK_FullGeneralitySingleInheritance; |
2295 | } else if (Arg->isStr("multiple_inheritance")) { |
2296 | RepresentationMethod = |
2297 | LangOptions::PPTMK_FullGeneralityMultipleInheritance; |
2298 | } else if (Arg->isStr("virtual_inheritance")) { |
2299 | RepresentationMethod = |
2300 | LangOptions::PPTMK_FullGeneralityVirtualInheritance; |
2301 | } else { |
2302 | PP.Diag(Tok.getLocation(), |
2303 | diag::err_pragma_pointers_to_members_unknown_kind) |
2304 | << Arg << 1; |
2305 | return; |
2306 | } |
2307 | } |
2308 | } |
2309 | |
2310 | if (Tok.isNot(tok::r_paren)) { |
2311 | PP.Diag(Tok.getLocation(), diag::err_expected_rparen_after) |
2312 | << (Arg ? Arg->getName() : "full_generality"); |
2313 | return; |
2314 | } |
2315 | |
2316 | SourceLocation EndLoc = Tok.getLocation(); |
2317 | PP.Lex(Tok); |
2318 | if (Tok.isNot(tok::eod)) { |
2319 | PP.Diag(Tok.getLocation(), diag::warn_pragma_extra_tokens_at_eol) |
2320 | << "pointers_to_members"; |
2321 | return; |
2322 | } |
2323 | |
2324 | Token AnnotTok; |
2325 | AnnotTok.startToken(); |
2326 | AnnotTok.setKind(tok::annot_pragma_ms_pointers_to_members); |
2327 | AnnotTok.setLocation(PointersToMembersLoc); |
2328 | AnnotTok.setAnnotationEndLoc(EndLoc); |
2329 | AnnotTok.setAnnotationValue( |
2330 | reinterpret_cast<void *>(static_cast<uintptr_t>(RepresentationMethod))); |
2331 | PP.EnterToken(AnnotTok); |
2332 | } |
2333 | |
2334 | |
2335 | |
2336 | |
2337 | |
2338 | |
2339 | |
2340 | |
2341 | |
2342 | void PragmaMSVtorDisp::HandlePragma(Preprocessor &PP, |
2343 | PragmaIntroducerKind Introducer, |
2344 | Token &Tok) { |
2345 | SourceLocation VtorDispLoc = Tok.getLocation(); |
2346 | PP.Lex(Tok); |
2347 | if (Tok.isNot(tok::l_paren)) { |
2348 | PP.Diag(VtorDispLoc, diag::warn_pragma_expected_lparen) << "vtordisp"; |
2349 | return; |
2350 | } |
2351 | PP.Lex(Tok); |
2352 | |
2353 | Sema::PragmaMsStackAction Action = Sema::PSK_Set; |
2354 | const IdentifierInfo *II = Tok.getIdentifierInfo(); |
2355 | if (II) { |
2356 | if (II->isStr("push")) { |
2357 | |
2358 | PP.Lex(Tok); |
2359 | if (Tok.isNot(tok::comma)) { |
2360 | PP.Diag(VtorDispLoc, diag::warn_pragma_expected_punc) << "vtordisp"; |
2361 | return; |
2362 | } |
2363 | PP.Lex(Tok); |
2364 | Action = Sema::PSK_Push_Set; |
2365 | |
2366 | } else if (II->isStr("pop")) { |
2367 | |
2368 | PP.Lex(Tok); |
2369 | Action = Sema::PSK_Pop; |
2370 | } |
2371 | |
2372 | } else { |
2373 | if (Tok.is(tok::r_paren)) { |
2374 | |
2375 | Action = Sema::PSK_Reset; |
2376 | } |
2377 | } |
2378 | |
2379 | |
2380 | uint64_t Value = 0; |
2381 | if (Action & Sema::PSK_Push || Action & Sema::PSK_Set) { |
2382 | const IdentifierInfo *II = Tok.getIdentifierInfo(); |
2383 | if (II && II->isStr("off")) { |
2384 | PP.Lex(Tok); |
2385 | Value = 0; |
2386 | } else if (II && II->isStr("on")) { |
2387 | PP.Lex(Tok); |
2388 | Value = 1; |
2389 | } else if (Tok.is(tok::numeric_constant) && |
2390 | PP.parseSimpleIntegerLiteral(Tok, Value)) { |
2391 | if (Value > 2) { |
2392 | PP.Diag(Tok.getLocation(), diag::warn_pragma_expected_integer) |
2393 | << 0 << 2 << "vtordisp"; |
2394 | return; |
2395 | } |
2396 | } else { |
2397 | PP.Diag(Tok.getLocation(), diag::warn_pragma_invalid_action) |
2398 | << "vtordisp"; |
2399 | return; |
2400 | } |
2401 | } |
2402 | |
2403 | |
2404 | if (Tok.isNot(tok::r_paren)) { |
2405 | PP.Diag(VtorDispLoc, diag::warn_pragma_expected_rparen) << "vtordisp"; |
2406 | return; |
2407 | } |
2408 | SourceLocation EndLoc = Tok.getLocation(); |
2409 | PP.Lex(Tok); |
2410 | if (Tok.isNot(tok::eod)) { |
2411 | PP.Diag(Tok.getLocation(), diag::warn_pragma_extra_tokens_at_eol) |
2412 | << "vtordisp"; |
2413 | return; |
2414 | } |
2415 | |
2416 | |
2417 | Token AnnotTok; |
2418 | AnnotTok.startToken(); |
2419 | AnnotTok.setKind(tok::annot_pragma_ms_vtordisp); |
2420 | AnnotTok.setLocation(VtorDispLoc); |
2421 | AnnotTok.setAnnotationEndLoc(EndLoc); |
2422 | AnnotTok.setAnnotationValue(reinterpret_cast<void *>( |
2423 | static_cast<uintptr_t>((Action << 16) | (Value & 0xFFFF)))); |
2424 | PP.EnterToken(AnnotTok); |
2425 | } |
2426 | |
2427 | |
2428 | |
2429 | void PragmaMSPragma::HandlePragma(Preprocessor &PP, |
2430 | PragmaIntroducerKind Introducer, |
2431 | Token &Tok) { |
2432 | Token EoF, AnnotTok; |
2433 | EoF.startToken(); |
2434 | EoF.setKind(tok::eof); |
2435 | AnnotTok.startToken(); |
2436 | AnnotTok.setKind(tok::annot_pragma_ms_pragma); |
2437 | AnnotTok.setLocation(Tok.getLocation()); |
2438 | AnnotTok.setAnnotationEndLoc(Tok.getLocation()); |
2439 | SmallVector<Token, 8> TokenVector; |
2440 | |
2441 | for (; Tok.isNot(tok::eod); PP.Lex(Tok)) { |
2442 | TokenVector.push_back(Tok); |
2443 | AnnotTok.setAnnotationEndLoc(Tok.getLocation()); |
2444 | } |
2445 | |
2446 | TokenVector.push_back(EoF); |
2447 | |
2448 | |
2449 | auto TokenArray = llvm::make_unique<Token[]>(TokenVector.size()); |
2450 | std::copy(TokenVector.begin(), TokenVector.end(), TokenArray.get()); |
2451 | auto Value = new (PP.getPreprocessorAllocator()) |
2452 | std::pair<std::unique_ptr<Token[]>, size_t>(std::move(TokenArray), |
2453 | TokenVector.size()); |
2454 | AnnotTok.setAnnotationValue(Value); |
2455 | PP.EnterToken(AnnotTok); |
2456 | } |
2457 | |
2458 | |
2459 | |
2460 | |
2461 | |
2462 | |
2463 | |
2464 | |
2465 | |
2466 | |
2467 | |
2468 | void PragmaDetectMismatchHandler::HandlePragma(Preprocessor &PP, |
2469 | PragmaIntroducerKind Introducer, |
2470 | Token &Tok) { |
2471 | SourceLocation DetectMismatchLoc = Tok.getLocation(); |
2472 | PP.Lex(Tok); |
2473 | if (Tok.isNot(tok::l_paren)) { |
2474 | PP.Diag(DetectMismatchLoc, diag::err_expected) << tok::l_paren; |
2475 | return; |
2476 | } |
2477 | |
2478 | |
2479 | std::string NameString; |
2480 | if (!PP.LexStringLiteral(Tok, NameString, |
2481 | "pragma detect_mismatch", |
2482 | )) |
2483 | return; |
2484 | |
2485 | |
2486 | std::string ValueString; |
2487 | if (Tok.isNot(tok::comma)) { |
2488 | PP.Diag(Tok.getLocation(), diag::err_pragma_detect_mismatch_malformed); |
2489 | return; |
2490 | } |
2491 | |
2492 | if (!PP.LexStringLiteral(Tok, ValueString, "pragma detect_mismatch", |
2493 | )) |
2494 | return; |
2495 | |
2496 | if (Tok.isNot(tok::r_paren)) { |
2497 | PP.Diag(Tok.getLocation(), diag::err_expected) << tok::r_paren; |
2498 | return; |
2499 | } |
2500 | PP.Lex(Tok); |
2501 | |
2502 | if (Tok.isNot(tok::eod)) { |
2503 | PP.Diag(Tok.getLocation(), diag::err_pragma_detect_mismatch_malformed); |
2504 | return; |
2505 | } |
2506 | |
2507 | |
2508 | if (PP.getPPCallbacks()) |
2509 | PP.getPPCallbacks()->PragmaDetectMismatch(DetectMismatchLoc, NameString, |
2510 | ValueString); |
2511 | |
2512 | Actions.ActOnPragmaDetectMismatch(DetectMismatchLoc, NameString, ValueString); |
2513 | } |
2514 | |
2515 | |
2516 | |
2517 | |
2518 | |
2519 | |
2520 | |
2521 | |
2522 | |
2523 | |
2524 | void PragmaCommentHandler::HandlePragma(Preprocessor &PP, |
2525 | PragmaIntroducerKind Introducer, |
2526 | Token &Tok) { |
2527 | SourceLocation = Tok.getLocation(); |
2528 | PP.Lex(Tok); |
2529 | if (Tok.isNot(tok::l_paren)) { |
2530 | PP.Diag(CommentLoc, diag::err_pragma_comment_malformed); |
2531 | return; |
2532 | } |
2533 | |
2534 | |
2535 | PP.Lex(Tok); |
2536 | if (Tok.isNot(tok::identifier)) { |
2537 | PP.Diag(CommentLoc, diag::err_pragma_comment_malformed); |
2538 | return; |
2539 | } |
2540 | |
2541 | |
2542 | IdentifierInfo *II = Tok.getIdentifierInfo(); |
2543 | PragmaMSCommentKind Kind = |
2544 | llvm::StringSwitch<PragmaMSCommentKind>(II->getName()) |
2545 | .Case("linker", PCK_Linker) |
2546 | .Case("lib", PCK_Lib) |
2547 | .Case("compiler", PCK_Compiler) |
2548 | .Case("exestr", PCK_ExeStr) |
2549 | .Case("user", PCK_User) |
2550 | .Default(PCK_Unknown); |
2551 | if (Kind == PCK_Unknown) { |
2552 | PP.Diag(Tok.getLocation(), diag::err_pragma_comment_unknown_kind); |
2553 | return; |
2554 | } |
2555 | |
2556 | if (PP.getTargetInfo().getTriple().isOSBinFormatELF() && Kind != PCK_Lib) { |
2557 | PP.Diag(Tok.getLocation(), diag::warn_pragma_comment_ignored) |
2558 | << II->getName(); |
2559 | return; |
2560 | } |
2561 | |
2562 | |
2563 | |
2564 | if (PP.getTargetInfo().getTriple().isPS4() && Kind != PCK_Lib) { |
2565 | PP.Diag(Tok.getLocation(), diag::warn_pragma_comment_ignored) |
2566 | << II->getName(); |
2567 | return; |
2568 | } |
2569 | |
2570 | |
2571 | PP.Lex(Tok); |
2572 | std::string ArgumentString; |
2573 | if (Tok.is(tok::comma) && !PP.LexStringLiteral(Tok, ArgumentString, |
2574 | "pragma comment", |
2575 | )) |
2576 | return; |
2577 | |
2578 | |
2579 | |
2580 | |
2581 | |
2582 | |
2583 | |
2584 | |
2585 | if (Tok.isNot(tok::r_paren)) { |
2586 | PP.Diag(Tok.getLocation(), diag::err_pragma_comment_malformed); |
2587 | return; |
2588 | } |
2589 | PP.Lex(Tok); |
2590 | |
2591 | if (Tok.isNot(tok::eod)) { |
2592 | PP.Diag(Tok.getLocation(), diag::err_pragma_comment_malformed); |
2593 | return; |
2594 | } |
2595 | |
2596 | |
2597 | if (PP.getPPCallbacks()) |
2598 | PP.getPPCallbacks()->PragmaComment(CommentLoc, II, ArgumentString); |
2599 | |
2600 | Actions.ActOnPragmaMSComment(CommentLoc, Kind, ArgumentString); |
2601 | } |
2602 | |
2603 | |
2604 | |
2605 | void PragmaOptimizeHandler::HandlePragma(Preprocessor &PP, |
2606 | PragmaIntroducerKind Introducer, |
2607 | Token &FirstToken) { |
2608 | Token Tok; |
2609 | PP.Lex(Tok); |
2610 | if (Tok.is(tok::eod)) { |
2611 | PP.Diag(Tok.getLocation(), diag::err_pragma_missing_argument) |
2612 | << "clang optimize" << << "'on' or 'off'"; |
2613 | return; |
2614 | } |
2615 | if (Tok.isNot(tok::identifier)) { |
2616 | PP.Diag(Tok.getLocation(), diag::err_pragma_optimize_invalid_argument) |
2617 | << PP.getSpelling(Tok); |
2618 | return; |
2619 | } |
2620 | const IdentifierInfo *II = Tok.getIdentifierInfo(); |
2621 | |
2622 | bool IsOn = false; |
2623 | if (II->isStr("on")) { |
2624 | IsOn = true; |
2625 | } else if (!II->isStr("off")) { |
2626 | PP.Diag(Tok.getLocation(), diag::err_pragma_optimize_invalid_argument) |
2627 | << PP.getSpelling(Tok); |
2628 | return; |
2629 | } |
2630 | PP.Lex(Tok); |
2631 | |
2632 | if (Tok.isNot(tok::eod)) { |
2633 | PP.Diag(Tok.getLocation(), diag::err_pragma_optimize_extra_argument) |
2634 | << PP.getSpelling(Tok); |
2635 | return; |
2636 | } |
2637 | |
2638 | Actions.ActOnPragmaOptimize(IsOn, FirstToken.getLocation()); |
2639 | } |
2640 | |
2641 | namespace { |
2642 | |
2643 | struct TokFPAnnotValue { |
2644 | enum FlagKinds { Contract }; |
2645 | enum FlagValues { On, Off, Fast }; |
2646 | |
2647 | FlagKinds FlagKind; |
2648 | FlagValues FlagValue; |
2649 | }; |
2650 | } |
2651 | |
2652 | void PragmaFPHandler::HandlePragma(Preprocessor &PP, |
2653 | PragmaIntroducerKind Introducer, |
2654 | Token &Tok) { |
2655 | |
2656 | Token PragmaName = Tok; |
2657 | SmallVector<Token, 1> TokenList; |
2658 | |
2659 | PP.Lex(Tok); |
2660 | if (Tok.isNot(tok::identifier)) { |
2661 | PP.Diag(Tok.getLocation(), diag::err_pragma_fp_invalid_option) |
2662 | << << ""; |
2663 | return; |
2664 | } |
2665 | |
2666 | while (Tok.is(tok::identifier)) { |
2667 | IdentifierInfo *OptionInfo = Tok.getIdentifierInfo(); |
2668 | |
2669 | auto FlagKind = |
2670 | llvm::StringSwitch<llvm::Optional<TokFPAnnotValue::FlagKinds>>( |
2671 | OptionInfo->getName()) |
2672 | .Case("contract", TokFPAnnotValue::Contract) |
2673 | .Default(None); |
2674 | if (!FlagKind) { |
2675 | PP.Diag(Tok.getLocation(), diag::err_pragma_fp_invalid_option) |
2676 | << << OptionInfo; |
2677 | return; |
2678 | } |
2679 | PP.Lex(Tok); |
2680 | |
2681 | |
2682 | if (Tok.isNot(tok::l_paren)) { |
2683 | PP.Diag(Tok.getLocation(), diag::err_expected) << tok::l_paren; |
2684 | return; |
2685 | } |
2686 | PP.Lex(Tok); |
2687 | |
2688 | if (Tok.isNot(tok::identifier)) { |
2689 | PP.Diag(Tok.getLocation(), diag::err_pragma_fp_invalid_argument) |
2690 | << PP.getSpelling(Tok) << OptionInfo->getName(); |
2691 | return; |
2692 | } |
2693 | const IdentifierInfo *II = Tok.getIdentifierInfo(); |
2694 | |
2695 | auto FlagValue = |
2696 | llvm::StringSwitch<llvm::Optional<TokFPAnnotValue::FlagValues>>( |
2697 | II->getName()) |
2698 | .Case("on", TokFPAnnotValue::On) |
2699 | .Case("off", TokFPAnnotValue::Off) |
2700 | .Case("fast", TokFPAnnotValue::Fast) |
2701 | .Default(llvm::None); |
2702 | |
2703 | if (!FlagValue) { |
2704 | PP.Diag(Tok.getLocation(), diag::err_pragma_fp_invalid_argument) |
2705 | << PP.getSpelling(Tok) << OptionInfo->getName(); |
2706 | return; |
2707 | } |
2708 | PP.Lex(Tok); |
2709 | |
2710 | |
2711 | if (Tok.isNot(tok::r_paren)) { |
2712 | PP.Diag(Tok.getLocation(), diag::err_expected) << tok::r_paren; |
2713 | return; |
2714 | } |
2715 | PP.Lex(Tok); |
2716 | |
2717 | auto *AnnotValue = new (PP.getPreprocessorAllocator()) |
2718 | TokFPAnnotValue{*FlagKind, *FlagValue}; |
2719 | |
2720 | Token FPTok; |
2721 | FPTok.startToken(); |
2722 | FPTok.setKind(tok::annot_pragma_fp); |
2723 | FPTok.setLocation(PragmaName.getLocation()); |
2724 | FPTok.setAnnotationEndLoc(PragmaName.getLocation()); |
2725 | FPTok.setAnnotationValue(reinterpret_cast<void *>(AnnotValue)); |
2726 | TokenList.push_back(FPTok); |
2727 | } |
2728 | |
2729 | if (Tok.isNot(tok::eod)) { |
2730 | PP.Diag(Tok.getLocation(), diag::warn_pragma_extra_tokens_at_eol) |
2731 | << "clang fp"; |
2732 | return; |
2733 | } |
2734 | |
2735 | auto TokenArray = llvm::make_unique<Token[]>(TokenList.size()); |
2736 | std::copy(TokenList.begin(), TokenList.end(), TokenArray.get()); |
2737 | |
2738 | PP.EnterTokenStream(std::move(TokenArray), TokenList.size(), |
2739 | ); |
2740 | } |
2741 | |
2742 | void Parser::HandlePragmaFP() { |
2743 | assert(Tok.is(tok::annot_pragma_fp)); |
2744 | auto *AnnotValue = |
2745 | reinterpret_cast<TokFPAnnotValue *>(Tok.getAnnotationValue()); |
2746 | |
2747 | LangOptions::FPContractModeKind FPC; |
2748 | switch (AnnotValue->FlagValue) { |
2749 | case TokFPAnnotValue::On: |
2750 | FPC = LangOptions::FPC_On; |
2751 | break; |
2752 | case TokFPAnnotValue::Fast: |
2753 | FPC = LangOptions::FPC_Fast; |
2754 | break; |
2755 | case TokFPAnnotValue::Off: |
2756 | FPC = LangOptions::FPC_Off; |
2757 | break; |
2758 | } |
2759 | |
2760 | Actions.ActOnPragmaFPContract(FPC); |
2761 | ConsumeAnnotationToken(); |
2762 | } |
2763 | |
2764 | |
2765 | static bool ParseLoopHintValue(Preprocessor &PP, Token &Tok, Token PragmaName, |
2766 | Token Option, bool ValueInParens, |
2767 | PragmaLoopHintInfo &Info) { |
2768 | SmallVector<Token, 1> ValueList; |
2769 | int OpenParens = ValueInParens ? 1 : 0; |
2770 | |
2771 | while (Tok.isNot(tok::eod)) { |
2772 | if (Tok.is(tok::l_paren)) |
2773 | OpenParens++; |
2774 | else if (Tok.is(tok::r_paren)) { |
2775 | OpenParens--; |
2776 | if (OpenParens == 0 && ValueInParens) |
2777 | break; |
2778 | } |
2779 | |
2780 | ValueList.push_back(Tok); |
2781 | PP.Lex(Tok); |
2782 | } |
2783 | |
2784 | if (ValueInParens) { |
2785 | |
2786 | if (Tok.isNot(tok::r_paren)) { |
2787 | PP.Diag(Tok.getLocation(), diag::err_expected) << tok::r_paren; |
2788 | return true; |
2789 | } |
2790 | PP.Lex(Tok); |
2791 | } |
2792 | |
2793 | Token EOFTok; |
2794 | EOFTok.startToken(); |
2795 | EOFTok.setKind(tok::eof); |
2796 | EOFTok.setLocation(Tok.getLocation()); |
2797 | ValueList.push_back(EOFTok); |
2798 | |
2799 | Info.Toks = llvm::makeArrayRef(ValueList).copy(PP.getPreprocessorAllocator()); |
2800 | |
2801 | Info.PragmaName = PragmaName; |
2802 | Info.Option = Option; |
2803 | return false; |
2804 | } |
2805 | |
2806 | |
2807 | |
2808 | |
2809 | |
2810 | |
2811 | |
2812 | |
2813 | |
2814 | |
2815 | |
2816 | |
2817 | |
2818 | |
2819 | |
2820 | |
2821 | |
2822 | |
2823 | |
2824 | |
2825 | |
2826 | |
2827 | |
2828 | |
2829 | |
2830 | |
2831 | |
2832 | |
2833 | |
2834 | |
2835 | |
2836 | |
2837 | |
2838 | |
2839 | |
2840 | |
2841 | |
2842 | |
2843 | |
2844 | |
2845 | |
2846 | |
2847 | |
2848 | |
2849 | |
2850 | |
2851 | |
2852 | |
2853 | void PragmaLoopHintHandler::HandlePragma(Preprocessor &PP, |
2854 | PragmaIntroducerKind Introducer, |
2855 | Token &Tok) { |
2856 | |
2857 | Token PragmaName = Tok; |
2858 | SmallVector<Token, 1> TokenList; |
2859 | |
2860 | |
2861 | PP.Lex(Tok); |
2862 | if (Tok.isNot(tok::identifier)) { |
2863 | PP.Diag(Tok.getLocation(), diag::err_pragma_loop_invalid_option) |
2864 | << << ""; |
2865 | return; |
2866 | } |
2867 | |
2868 | while (Tok.is(tok::identifier)) { |
2869 | Token Option = Tok; |
2870 | IdentifierInfo *OptionInfo = Tok.getIdentifierInfo(); |
2871 | |
2872 | bool OptionValid = llvm::StringSwitch<bool>(OptionInfo->getName()) |
2873 | .Case("vectorize", true) |
2874 | .Case("interleave", true) |
2875 | .Case("unroll", true) |
2876 | .Case("distribute", true) |
2877 | .Case("vectorize_width", true) |
2878 | .Case("interleave_count", true) |
2879 | .Case("unroll_count", true) |
2880 | .Case("pipeline", true) |
2881 | .Case("pipeline_initiation_interval", true) |
2882 | .Default(false); |
2883 | if (!OptionValid) { |
2884 | PP.Diag(Tok.getLocation(), diag::err_pragma_loop_invalid_option) |
2885 | << << OptionInfo; |
2886 | return; |
2887 | } |
2888 | PP.Lex(Tok); |
2889 | |
2890 | |
2891 | if (Tok.isNot(tok::l_paren)) { |
2892 | PP.Diag(Tok.getLocation(), diag::err_expected) << tok::l_paren; |
2893 | return; |
2894 | } |
2895 | PP.Lex(Tok); |
2896 | |
2897 | auto *Info = new (PP.getPreprocessorAllocator()) PragmaLoopHintInfo; |
2898 | if (ParseLoopHintValue(PP, Tok, PragmaName, Option, , |
2899 | *Info)) |
2900 | return; |
2901 | |
2902 | |
2903 | Token LoopHintTok; |
2904 | LoopHintTok.startToken(); |
2905 | LoopHintTok.setKind(tok::annot_pragma_loop_hint); |
2906 | LoopHintTok.setLocation(PragmaName.getLocation()); |
2907 | LoopHintTok.setAnnotationEndLoc(PragmaName.getLocation()); |
2908 | LoopHintTok.setAnnotationValue(static_cast<void *>(Info)); |
2909 | TokenList.push_back(LoopHintTok); |
2910 | } |
2911 | |
2912 | if (Tok.isNot(tok::eod)) { |
2913 | PP.Diag(Tok.getLocation(), diag::warn_pragma_extra_tokens_at_eol) |
2914 | << "clang loop"; |
2915 | return; |
2916 | } |
2917 | |
2918 | auto TokenArray = llvm::make_unique<Token[]>(TokenList.size()); |
2919 | std::copy(TokenList.begin(), TokenList.end(), TokenArray.get()); |
2920 | |
2921 | PP.EnterTokenStream(std::move(TokenArray), TokenList.size(), |
2922 | ); |
2923 | } |
2924 | |
2925 | |
2926 | |
2927 | |
2928 | |
2929 | |
2930 | |
2931 | |
2932 | |
2933 | |
2934 | |
2935 | |
2936 | |
2937 | |
2938 | |
2939 | |
2940 | |
2941 | |
2942 | |
2943 | |
2944 | |
2945 | |
2946 | void PragmaUnrollHintHandler::HandlePragma(Preprocessor &PP, |
2947 | PragmaIntroducerKind Introducer, |
2948 | Token &Tok) { |
2949 | |
2950 | |
2951 | Token PragmaName = Tok; |
2952 | PP.Lex(Tok); |
2953 | auto *Info = new (PP.getPreprocessorAllocator()) PragmaLoopHintInfo; |
2954 | if (Tok.is(tok::eod)) { |
2955 | |
2956 | Info->PragmaName = PragmaName; |
2957 | Info->Option.startToken(); |
2958 | } else if (PragmaName.getIdentifierInfo()->getName() == "nounroll" || |
2959 | PragmaName.getIdentifierInfo()->getName() == "nounroll_and_jam") { |
2960 | PP.Diag(Tok.getLocation(), diag::warn_pragma_extra_tokens_at_eol) |
2961 | << PragmaName.getIdentifierInfo()->getName(); |
2962 | return; |
2963 | } else { |
2964 | |
2965 | |
2966 | |
2967 | bool ValueInParens = Tok.is(tok::l_paren); |
2968 | if (ValueInParens) |
2969 | PP.Lex(Tok); |
2970 | |
2971 | Token Option; |
2972 | Option.startToken(); |
2973 | if (ParseLoopHintValue(PP, Tok, PragmaName, Option, ValueInParens, *Info)) |
2974 | return; |
2975 | |
2976 | |
2977 | |
2978 | if (PP.getLangOpts().CUDA && ValueInParens) |
2979 | PP.Diag(Info->Toks[0].getLocation(), |
2980 | diag::warn_pragma_unroll_cuda_value_in_parens); |
2981 | |
2982 | if (Tok.isNot(tok::eod)) { |
2983 | PP.Diag(Tok.getLocation(), diag::warn_pragma_extra_tokens_at_eol) |
2984 | << "unroll"; |
2985 | return; |
2986 | } |
2987 | } |
2988 | |
2989 | |
2990 | auto TokenArray = llvm::make_unique<Token[]>(1); |
2991 | TokenArray[0].startToken(); |
2992 | TokenArray[0].setKind(tok::annot_pragma_loop_hint); |
2993 | TokenArray[0].setLocation(PragmaName.getLocation()); |
2994 | TokenArray[0].setAnnotationEndLoc(PragmaName.getLocation()); |
2995 | TokenArray[0].setAnnotationValue(static_cast<void *>(Info)); |
2996 | PP.EnterTokenStream(std::move(TokenArray), 1, |
2997 | ); |
2998 | } |
2999 | |
3000 | |
3001 | |
3002 | |
3003 | |
3004 | |
3005 | |
3006 | |
3007 | |
3008 | |
3009 | |
3010 | |
3011 | |
3012 | void PragmaMSIntrinsicHandler::HandlePragma(Preprocessor &PP, |
3013 | PragmaIntroducerKind Introducer, |
3014 | Token &Tok) { |
3015 | PP.Lex(Tok); |
3016 | |
3017 | if (Tok.isNot(tok::l_paren)) { |
3018 | PP.Diag(Tok.getLocation(), diag::warn_pragma_expected_lparen) |
3019 | << "intrinsic"; |
3020 | return; |
3021 | } |
3022 | PP.Lex(Tok); |
3023 | |
3024 | bool SuggestIntrinH = !PP.isMacroDefined("__INTRIN_H"); |
3025 | |
3026 | while (Tok.is(tok::identifier)) { |
3027 | IdentifierInfo *II = Tok.getIdentifierInfo(); |
3028 | if (!II->getBuiltinID()) |
3029 | PP.Diag(Tok.getLocation(), diag::warn_pragma_intrinsic_builtin) |
3030 | << II << SuggestIntrinH; |
3031 | |
3032 | PP.Lex(Tok); |
3033 | if (Tok.isNot(tok::comma)) |
3034 | break; |
3035 | PP.Lex(Tok); |
3036 | } |
3037 | |
3038 | if (Tok.isNot(tok::r_paren)) { |
3039 | PP.Diag(Tok.getLocation(), diag::warn_pragma_expected_rparen) |
3040 | << "intrinsic"; |
3041 | return; |
3042 | } |
3043 | PP.Lex(Tok); |
3044 | |
3045 | if (Tok.isNot(tok::eod)) |
3046 | PP.Diag(Tok.getLocation(), diag::warn_pragma_extra_tokens_at_eol) |
3047 | << "intrinsic"; |
3048 | } |
3049 | |
3050 | |
3051 | void PragmaMSOptimizeHandler::HandlePragma(Preprocessor &PP, |
3052 | PragmaIntroducerKind Introducer, |
3053 | Token &Tok) { |
3054 | SourceLocation StartLoc = Tok.getLocation(); |
3055 | PP.Lex(Tok); |
3056 | |
3057 | if (Tok.isNot(tok::l_paren)) { |
3058 | PP.Diag(Tok.getLocation(), diag::warn_pragma_expected_lparen) << "optimize"; |
3059 | return; |
3060 | } |
3061 | PP.Lex(Tok); |
3062 | |
3063 | if (Tok.isNot(tok::string_literal)) { |
3064 | PP.Diag(Tok.getLocation(), diag::warn_pragma_expected_string) << "optimize"; |
3065 | return; |
3066 | } |
3067 | |
3068 | PP.Lex(Tok); |
3069 | |
3070 | if (Tok.isNot(tok::comma)) { |
3071 | PP.Diag(Tok.getLocation(), diag::warn_pragma_expected_comma) << "optimize"; |
3072 | return; |
3073 | } |
3074 | PP.Lex(Tok); |
3075 | |
3076 | if (Tok.is(tok::eod) || Tok.is(tok::r_paren)) { |
3077 | PP.Diag(Tok.getLocation(), diag::warn_pragma_missing_argument) |
3078 | << "optimize" << << "'on' or 'off'"; |
3079 | return; |
3080 | } |
3081 | IdentifierInfo *II = Tok.getIdentifierInfo(); |
3082 | if (!II || (!II->isStr("on") && !II->isStr("off"))) { |
3083 | PP.Diag(Tok.getLocation(), diag::warn_pragma_invalid_argument) |
3084 | << PP.getSpelling(Tok) << "optimize" << |
3085 | << "'on' or 'off'"; |
3086 | return; |
3087 | } |
3088 | PP.Lex(Tok); |
3089 | |
3090 | if (Tok.isNot(tok::r_paren)) { |
3091 | PP.Diag(Tok.getLocation(), diag::warn_pragma_expected_rparen) << "optimize"; |
3092 | return; |
3093 | } |
3094 | PP.Lex(Tok); |
3095 | |
3096 | if (Tok.isNot(tok::eod)) { |
3097 | PP.Diag(Tok.getLocation(), diag::warn_pragma_extra_tokens_at_eol) |
3098 | << "optimize"; |
3099 | return; |
3100 | } |
3101 | PP.Diag(StartLoc, diag::warn_pragma_optimize); |
3102 | } |
3103 | |
3104 | void PragmaForceCUDAHostDeviceHandler::HandlePragma( |
3105 | Preprocessor &PP, PragmaIntroducerKind Introducer, Token &Tok) { |
3106 | Token FirstTok = Tok; |
3107 | |
3108 | PP.Lex(Tok); |
3109 | IdentifierInfo *Info = Tok.getIdentifierInfo(); |
3110 | if (!Info || (!Info->isStr("begin") && !Info->isStr("end"))) { |
3111 | PP.Diag(FirstTok.getLocation(), |
3112 | diag::warn_pragma_force_cuda_host_device_bad_arg); |
3113 | return; |
3114 | } |
3115 | |
3116 | if (Info->isStr("begin")) |
3117 | Actions.PushForceCUDAHostDevice(); |
3118 | else if (!Actions.PopForceCUDAHostDevice()) |
3119 | PP.Diag(FirstTok.getLocation(), |
3120 | diag::err_pragma_cannot_end_force_cuda_host_device); |
3121 | |
3122 | PP.Lex(Tok); |
3123 | if (!Tok.is(tok::eod)) |
3124 | PP.Diag(FirstTok.getLocation(), |
3125 | diag::warn_pragma_force_cuda_host_device_bad_arg); |
3126 | } |
3127 | |
3128 | |
3129 | |
3130 | |
3131 | |
3132 | |
3133 | |
3134 | |
3135 | |
3136 | |
3137 | |
3138 | |
3139 | |
3140 | |
3141 | |
3142 | |
3143 | |
3144 | |
3145 | |
3146 | |
3147 | |
3148 | |
3149 | |
3150 | |
3151 | |
3152 | |
3153 | |
3154 | |
3155 | void PragmaAttributeHandler::HandlePragma(Preprocessor &PP, |
3156 | PragmaIntroducerKind Introducer, |
3157 | Token &FirstToken) { |
3158 | Token Tok; |
3159 | PP.Lex(Tok); |
3160 | auto *Info = new (PP.getPreprocessorAllocator()) |
3161 | PragmaAttributeInfo(AttributesForPragmaAttribute); |
3162 | |
3163 | |
3164 | if (Tok.is(tok::identifier)) { |
3165 | IdentifierInfo *II = Tok.getIdentifierInfo(); |
3166 | if (!II->isStr("push") && !II->isStr("pop")) { |
3167 | Info->Namespace = II; |
3168 | PP.Lex(Tok); |
3169 | |
3170 | if (!Tok.is(tok::period)) { |
3171 | PP.Diag(Tok.getLocation(), diag::err_pragma_attribute_expected_period) |
3172 | << II; |
3173 | return; |
3174 | } |
3175 | PP.Lex(Tok); |
3176 | } |
3177 | } |
3178 | |
3179 | if (!Tok.isOneOf(tok::identifier, tok::l_paren)) { |
3180 | PP.Diag(Tok.getLocation(), |
3181 | diag::err_pragma_attribute_expected_push_pop_paren); |
3182 | return; |
3183 | } |
3184 | |
3185 | |
3186 | if (Tok.is(tok::l_paren)) { |
3187 | if (Info->Namespace) { |
3188 | PP.Diag(Tok.getLocation(), |
3189 | diag::err_pragma_attribute_namespace_on_attribute); |
3190 | PP.Diag(Tok.getLocation(), |
3191 | diag::note_pragma_attribute_namespace_on_attribute); |
3192 | return; |
3193 | } |
3194 | Info->Action = PragmaAttributeInfo::Attribute; |
3195 | } else { |
3196 | const IdentifierInfo *II = Tok.getIdentifierInfo(); |
3197 | if (II->isStr("push")) |
3198 | Info->Action = PragmaAttributeInfo::Push; |
3199 | else if (II->isStr("pop")) |
3200 | Info->Action = PragmaAttributeInfo::Pop; |
3201 | else { |
3202 | PP.Diag(Tok.getLocation(), diag::err_pragma_attribute_invalid_argument) |
3203 | << PP.getSpelling(Tok); |
3204 | return; |
3205 | } |
3206 | |
3207 | PP.Lex(Tok); |
3208 | } |
3209 | |
3210 | |
3211 | if ((Info->Action == PragmaAttributeInfo::Push && Tok.isNot(tok::eod)) || |
3212 | Info->Action == PragmaAttributeInfo::Attribute) { |
3213 | if (Tok.isNot(tok::l_paren)) { |
3214 | PP.Diag(Tok.getLocation(), diag::err_expected) << tok::l_paren; |
3215 | return; |
3216 | } |
3217 | PP.Lex(Tok); |
3218 | |
3219 | |
3220 | SmallVector<Token, 16> AttributeTokens; |
3221 | int OpenParens = 1; |
3222 | while (Tok.isNot(tok::eod)) { |
3223 | if (Tok.is(tok::l_paren)) |
3224 | OpenParens++; |
3225 | else if (Tok.is(tok::r_paren)) { |
3226 | OpenParens--; |
3227 | if (OpenParens == 0) |
3228 | break; |
3229 | } |
3230 | |
3231 | AttributeTokens.push_back(Tok); |
3232 | PP.Lex(Tok); |
3233 | } |
3234 | |
3235 | if (AttributeTokens.empty()) { |
3236 | PP.Diag(Tok.getLocation(), diag::err_pragma_attribute_expected_attribute); |
3237 | return; |
3238 | } |
3239 | if (Tok.isNot(tok::r_paren)) { |
3240 | PP.Diag(Tok.getLocation(), diag::err_expected) << tok::r_paren; |
3241 | return; |
3242 | } |
3243 | SourceLocation EndLoc = Tok.getLocation(); |
3244 | PP.Lex(Tok); |
3245 | |
3246 | |
3247 | Token EOFTok; |
3248 | EOFTok.startToken(); |
3249 | EOFTok.setKind(tok::eof); |
3250 | EOFTok.setLocation(EndLoc); |
3251 | AttributeTokens.push_back(EOFTok); |
3252 | |
3253 | Info->Tokens = |
3254 | llvm::makeArrayRef(AttributeTokens).copy(PP.getPreprocessorAllocator()); |
3255 | } |
3256 | |
3257 | if (Tok.isNot(tok::eod)) |
3258 | PP.Diag(Tok.getLocation(), diag::warn_pragma_extra_tokens_at_eol) |
3259 | << "clang attribute"; |
3260 | |
3261 | |
3262 | auto TokenArray = llvm::make_unique<Token[]>(1); |
3263 | TokenArray[0].startToken(); |
3264 | TokenArray[0].setKind(tok::annot_pragma_attribute); |
3265 | TokenArray[0].setLocation(FirstToken.getLocation()); |
3266 | TokenArray[0].setAnnotationEndLoc(FirstToken.getLocation()); |
3267 | TokenArray[0].setAnnotationValue(static_cast<void *>(Info)); |
3268 | PP.EnterTokenStream(std::move(TokenArray), 1, |
3269 | ); |
3270 | } |
3271 | |