/Users/buildslave/jenkins/workspace/coverage/llvm-project/clang/lib/Frontend/PrintPreprocessedOutput.cpp
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1 | | //===--- PrintPreprocessedOutput.cpp - Implement the -E mode --------------===// |
2 | | // |
3 | | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
4 | | // See https://llvm.org/LICENSE.txt for license information. |
5 | | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
6 | | // |
7 | | //===----------------------------------------------------------------------===// |
8 | | // |
9 | | // This code simply runs the preprocessor on the input file and prints out the |
10 | | // result. This is the traditional behavior of the -E option. |
11 | | // |
12 | | //===----------------------------------------------------------------------===// |
13 | | |
14 | | #include "clang/Frontend/Utils.h" |
15 | | #include "clang/Basic/CharInfo.h" |
16 | | #include "clang/Basic/Diagnostic.h" |
17 | | #include "clang/Basic/SourceManager.h" |
18 | | #include "clang/Frontend/PreprocessorOutputOptions.h" |
19 | | #include "clang/Lex/MacroInfo.h" |
20 | | #include "clang/Lex/PPCallbacks.h" |
21 | | #include "clang/Lex/Pragma.h" |
22 | | #include "clang/Lex/Preprocessor.h" |
23 | | #include "clang/Lex/TokenConcatenation.h" |
24 | | #include "llvm/ADT/STLExtras.h" |
25 | | #include "llvm/ADT/SmallString.h" |
26 | | #include "llvm/ADT/StringRef.h" |
27 | | #include "llvm/Support/ErrorHandling.h" |
28 | | #include "llvm/Support/raw_ostream.h" |
29 | | #include <cstdio> |
30 | | using namespace clang; |
31 | | |
32 | | /// PrintMacroDefinition - Print a macro definition in a form that will be |
33 | | /// properly accepted back as a definition. |
34 | | static void PrintMacroDefinition(const IdentifierInfo &II, const MacroInfo &MI, |
35 | 499k | Preprocessor &PP, raw_ostream &OS) { |
36 | 499k | OS << "#define " << II.getName(); |
37 | | |
38 | 499k | if (MI.isFunctionLike()) { |
39 | 35 | OS << '('; |
40 | 35 | if (!MI.param_empty()) { |
41 | 34 | MacroInfo::param_iterator AI = MI.param_begin(), E = MI.param_end(); |
42 | 37 | for (; AI+1 != E; ++AI3 ) { |
43 | 3 | OS << (*AI)->getName(); |
44 | 3 | OS << ','; |
45 | 3 | } |
46 | | |
47 | | // Last argument. |
48 | 34 | if ((*AI)->getName() == "__VA_ARGS__") |
49 | 2 | OS << "..."; |
50 | 32 | else |
51 | 32 | OS << (*AI)->getName(); |
52 | 34 | } |
53 | | |
54 | 35 | if (MI.isGNUVarargs()) |
55 | 1 | OS << "..."; // #define foo(x...) |
56 | | |
57 | 35 | OS << ')'; |
58 | 35 | } |
59 | | |
60 | | // GCC always emits a space, even if the macro body is empty. However, do not |
61 | | // want to emit two spaces if the first token has a leading space. |
62 | 499k | if (MI.tokens_empty() || !MI.tokens_begin()->hasLeadingSpace()489k ) |
63 | 499k | OS << ' '; |
64 | | |
65 | 499k | SmallString<128> SpellingBuffer; |
66 | 583k | for (const auto &T : MI.tokens()) { |
67 | 583k | if (T.hasLeadingSpace()) |
68 | 53.4k | OS << ' '; |
69 | | |
70 | 583k | OS << PP.getSpelling(T, SpellingBuffer); |
71 | 583k | } |
72 | 499k | } |
73 | | |
74 | | //===----------------------------------------------------------------------===// |
75 | | // Preprocessed token printer |
76 | | //===----------------------------------------------------------------------===// |
77 | | |
78 | | namespace { |
79 | | class PrintPPOutputPPCallbacks : public PPCallbacks { |
80 | | Preprocessor &PP; |
81 | | SourceManager &SM; |
82 | | TokenConcatenation ConcatInfo; |
83 | | public: |
84 | | raw_ostream &OS; |
85 | | private: |
86 | | unsigned CurLine; |
87 | | |
88 | | bool EmittedTokensOnThisLine; |
89 | | bool EmittedDirectiveOnThisLine; |
90 | | SrcMgr::CharacteristicKind FileType; |
91 | | SmallString<512> CurFilename; |
92 | | bool Initialized; |
93 | | bool DisableLineMarkers; |
94 | | bool DumpDefines; |
95 | | bool DumpIncludeDirectives; |
96 | | bool UseLineDirectives; |
97 | | bool IsFirstFileEntered; |
98 | | public: |
99 | | PrintPPOutputPPCallbacks(Preprocessor &pp, raw_ostream &os, bool lineMarkers, |
100 | | bool defines, bool DumpIncludeDirectives, |
101 | | bool UseLineDirectives) |
102 | | : PP(pp), SM(PP.getSourceManager()), ConcatInfo(PP), OS(os), |
103 | | DisableLineMarkers(lineMarkers), DumpDefines(defines), |
104 | | DumpIncludeDirectives(DumpIncludeDirectives), |
105 | 516 | UseLineDirectives(UseLineDirectives) { |
106 | 516 | CurLine = 0; |
107 | 516 | CurFilename += "<uninit>"; |
108 | 516 | EmittedTokensOnThisLine = false; |
109 | 516 | EmittedDirectiveOnThisLine = false; |
110 | 516 | FileType = SrcMgr::C_User; |
111 | 516 | Initialized = false; |
112 | 516 | IsFirstFileEntered = false; |
113 | 516 | } |
114 | | |
115 | 870k | void setEmittedTokensOnThisLine() { EmittedTokensOnThisLine = true; } |
116 | 455k | bool hasEmittedTokensOnThisLine() const { return EmittedTokensOnThisLine; } |
117 | | |
118 | 1.24k | void setEmittedDirectiveOnThisLine() { EmittedDirectiveOnThisLine = true; } |
119 | 870k | bool hasEmittedDirectiveOnThisLine() const { |
120 | 870k | return EmittedDirectiveOnThisLine; |
121 | 870k | } |
122 | | |
123 | | bool startNewLineIfNeeded(bool ShouldUpdateCurrentLine = true); |
124 | | |
125 | | void FileChanged(SourceLocation Loc, FileChangeReason Reason, |
126 | | SrcMgr::CharacteristicKind FileType, |
127 | | FileID PrevFID) override; |
128 | | void InclusionDirective(SourceLocation HashLoc, const Token &IncludeTok, |
129 | | StringRef FileName, bool IsAngled, |
130 | | CharSourceRange FilenameRange, const FileEntry *File, |
131 | | StringRef SearchPath, StringRef RelativePath, |
132 | | const Module *Imported, |
133 | | SrcMgr::CharacteristicKind FileType) override; |
134 | | void Ident(SourceLocation Loc, StringRef str) override; |
135 | | void PragmaMessage(SourceLocation Loc, StringRef Namespace, |
136 | | PragmaMessageKind Kind, StringRef Str) override; |
137 | | void PragmaDebug(SourceLocation Loc, StringRef DebugType) override; |
138 | | void PragmaDiagnosticPush(SourceLocation Loc, StringRef Namespace) override; |
139 | | void PragmaDiagnosticPop(SourceLocation Loc, StringRef Namespace) override; |
140 | | void PragmaDiagnostic(SourceLocation Loc, StringRef Namespace, |
141 | | diag::Severity Map, StringRef Str) override; |
142 | | void PragmaWarning(SourceLocation Loc, StringRef WarningSpec, |
143 | | ArrayRef<int> Ids) override; |
144 | | void PragmaWarningPush(SourceLocation Loc, int Level) override; |
145 | | void PragmaWarningPop(SourceLocation Loc) override; |
146 | | void PragmaExecCharsetPush(SourceLocation Loc, StringRef Str) override; |
147 | | void PragmaExecCharsetPop(SourceLocation Loc) override; |
148 | | void PragmaAssumeNonNullBegin(SourceLocation Loc) override; |
149 | | void PragmaAssumeNonNullEnd(SourceLocation Loc) override; |
150 | | |
151 | | bool HandleFirstTokOnLine(Token &Tok); |
152 | | |
153 | | /// Move to the line of the provided source location. This will |
154 | | /// return true if the output stream required adjustment or if |
155 | | /// the requested location is on the first line. |
156 | 47.7k | bool MoveToLine(SourceLocation Loc) { |
157 | 47.7k | PresumedLoc PLoc = SM.getPresumedLoc(Loc); |
158 | 47.7k | if (PLoc.isInvalid()) |
159 | 1 | return false; |
160 | 47.7k | return MoveToLine(PLoc.getLine()) || (PLoc.getLine() == 1)585 ; |
161 | 47.7k | } |
162 | | bool MoveToLine(unsigned LineNo); |
163 | | |
164 | | bool AvoidConcat(const Token &PrevPrevTok, const Token &PrevTok, |
165 | 455k | const Token &Tok) { |
166 | 455k | return ConcatInfo.AvoidConcat(PrevPrevTok, PrevTok, Tok); |
167 | 455k | } |
168 | | void WriteLineInfo(unsigned LineNo, const char *Extra=nullptr, |
169 | | unsigned ExtraLen=0); |
170 | 0 | bool LineMarkersAreDisabled() const { return DisableLineMarkers; } |
171 | | void HandleNewlinesInToken(const char *TokStr, unsigned Len); |
172 | | |
173 | | /// MacroDefined - This hook is called whenever a macro definition is seen. |
174 | | void MacroDefined(const Token &MacroNameTok, |
175 | | const MacroDirective *MD) override; |
176 | | |
177 | | /// MacroUndefined - This hook is called whenever a macro #undef is seen. |
178 | | void MacroUndefined(const Token &MacroNameTok, |
179 | | const MacroDefinition &MD, |
180 | | const MacroDirective *Undef) override; |
181 | | |
182 | | void BeginModule(const Module *M); |
183 | | void EndModule(const Module *M); |
184 | | }; |
185 | | } // end anonymous namespace |
186 | | |
187 | | void PrintPPOutputPPCallbacks::WriteLineInfo(unsigned LineNo, |
188 | | const char *Extra, |
189 | 5.21k | unsigned ExtraLen) { |
190 | 5.21k | startNewLineIfNeeded(/*ShouldUpdateCurrentLine=*/false); |
191 | | |
192 | | // Emit #line directives or GNU line markers depending on what mode we're in. |
193 | 5.21k | if (UseLineDirectives) { |
194 | 21 | OS << "#line" << ' ' << LineNo << ' ' << '"'; |
195 | 21 | OS.write_escaped(CurFilename); |
196 | 21 | OS << '"'; |
197 | 5.19k | } else { |
198 | 5.19k | OS << '#' << ' ' << LineNo << ' ' << '"'; |
199 | 5.19k | OS.write_escaped(CurFilename); |
200 | 5.19k | OS << '"'; |
201 | | |
202 | 5.19k | if (ExtraLen) |
203 | 2.81k | OS.write(Extra, ExtraLen); |
204 | | |
205 | 5.19k | if (FileType == SrcMgr::C_System) |
206 | 1.52k | OS.write(" 3", 2); |
207 | 3.67k | else if (FileType == SrcMgr::C_ExternCSystem) |
208 | 6 | OS.write(" 3 4", 4); |
209 | 5.19k | } |
210 | 5.21k | OS << '\n'; |
211 | 5.21k | } |
212 | | |
213 | | /// MoveToLine - Move the output to the source line specified by the location |
214 | | /// object. We can do this by emitting some number of \n's, or be emitting a |
215 | | /// #line directive. This returns false if already at the specified line, true |
216 | | /// if some newlines were emitted. |
217 | 47.7k | bool PrintPPOutputPPCallbacks::MoveToLine(unsigned LineNo) { |
218 | | // If this line is "close enough" to the original line, just print newlines, |
219 | | // otherwise print a #line directive. |
220 | 47.7k | if (LineNo-CurLine <= 8) { |
221 | 46.3k | if (LineNo-CurLine == 1) |
222 | 39.9k | OS << '\n'; |
223 | 6.33k | else if (LineNo == CurLine) |
224 | 585 | return false; // Spelling line moved, but expansion line didn't. |
225 | 5.75k | else { |
226 | 5.75k | const char *NewLines = "\n\n\n\n\n\n\n\n"; |
227 | 5.75k | OS.write(NewLines, LineNo-CurLine); |
228 | 5.75k | } |
229 | 1.38k | } else if (!DisableLineMarkers) { |
230 | | // Emit a #line or line marker. |
231 | 1.35k | WriteLineInfo(LineNo, nullptr, 0); |
232 | 25 | } else { |
233 | | // Okay, we're in -P mode, which turns off line markers. However, we still |
234 | | // need to emit a newline between tokens on different lines. |
235 | 25 | startNewLineIfNeeded(/*ShouldUpdateCurrentLine=*/false); |
236 | 25 | } |
237 | | |
238 | 47.1k | CurLine = LineNo; |
239 | 47.1k | return true; |
240 | 47.7k | } |
241 | | |
242 | | bool |
243 | 5.75k | PrintPPOutputPPCallbacks::startNewLineIfNeeded(bool ShouldUpdateCurrentLine) { |
244 | 5.75k | if (EmittedTokensOnThisLine || EmittedDirectiveOnThisLine4.86k ) { |
245 | 1.14k | OS << '\n'; |
246 | 1.14k | EmittedTokensOnThisLine = false; |
247 | 1.14k | EmittedDirectiveOnThisLine = false; |
248 | 1.14k | if (ShouldUpdateCurrentLine) |
249 | 291 | ++CurLine; |
250 | 1.14k | return true; |
251 | 1.14k | } |
252 | | |
253 | 4.61k | return false; |
254 | 4.61k | } |
255 | | |
256 | | /// FileChanged - Whenever the preprocessor enters or exits a #include file |
257 | | /// it invokes this handler. Update our conception of the current source |
258 | | /// position. |
259 | | void PrintPPOutputPPCallbacks::FileChanged(SourceLocation Loc, |
260 | | FileChangeReason Reason, |
261 | | SrcMgr::CharacteristicKind NewFileType, |
262 | 3.95k | FileID PrevFID) { |
263 | | // Unless we are exiting a #include, make sure to skip ahead to the line the |
264 | | // #include directive was at. |
265 | 3.95k | SourceManager &SourceMgr = SM; |
266 | | |
267 | 3.95k | PresumedLoc UserLoc = SourceMgr.getPresumedLoc(Loc); |
268 | 3.95k | if (UserLoc.isInvalid()) |
269 | 0 | return; |
270 | | |
271 | 3.95k | unsigned NewLine = UserLoc.getLine(); |
272 | | |
273 | 3.95k | if (Reason == PPCallbacks::EnterFile) { |
274 | 1.96k | SourceLocation IncludeLoc = UserLoc.getIncludeLoc(); |
275 | 1.96k | if (IncludeLoc.isValid()) |
276 | 930 | MoveToLine(IncludeLoc); |
277 | 1.99k | } else if (Reason == PPCallbacks::SystemHeaderPragma) { |
278 | | // GCC emits the # directive for this directive on the line AFTER the |
279 | | // directive and emits a bunch of spaces that aren't needed. This is because |
280 | | // otherwise we will emit a line marker for THIS line, which requires an |
281 | | // extra blank line after the directive to avoid making all following lines |
282 | | // off by one. We can do better by simply incrementing NewLine here. |
283 | 3 | NewLine += 1; |
284 | 3 | } |
285 | | |
286 | 3.95k | CurLine = NewLine; |
287 | | |
288 | 3.95k | CurFilename.clear(); |
289 | 3.95k | CurFilename += UserLoc.getFilename(); |
290 | 3.95k | FileType = NewFileType; |
291 | | |
292 | 3.95k | if (DisableLineMarkers) { |
293 | 105 | startNewLineIfNeeded(/*ShouldUpdateCurrentLine=*/false); |
294 | 105 | return; |
295 | 105 | } |
296 | | |
297 | 3.85k | if (!Initialized) { |
298 | 501 | WriteLineInfo(CurLine); |
299 | 501 | Initialized = true; |
300 | 501 | } |
301 | | |
302 | | // Do not emit an enter marker for the main file (which we expect is the first |
303 | | // entered file). This matches gcc, and improves compatibility with some tools |
304 | | // which track the # line markers as a way to determine when the preprocessed |
305 | | // output is in the context of the main file. |
306 | 3.85k | if (Reason == PPCallbacks::EnterFile && !IsFirstFileEntered1.91k ) { |
307 | 501 | IsFirstFileEntered = true; |
308 | 501 | return; |
309 | 501 | } |
310 | | |
311 | 3.35k | switch (Reason) { |
312 | 1.41k | case PPCallbacks::EnterFile: |
313 | 1.41k | WriteLineInfo(CurLine, " 1", 2); |
314 | 1.41k | break; |
315 | 1.41k | case PPCallbacks::ExitFile: |
316 | 1.41k | WriteLineInfo(CurLine, " 2", 2); |
317 | 1.41k | break; |
318 | 3 | case PPCallbacks::SystemHeaderPragma: |
319 | 533 | case PPCallbacks::RenameFile: |
320 | 533 | WriteLineInfo(CurLine); |
321 | 533 | break; |
322 | 3.35k | } |
323 | 3.35k | } |
324 | | |
325 | | void PrintPPOutputPPCallbacks::InclusionDirective( |
326 | | SourceLocation HashLoc, |
327 | | const Token &IncludeTok, |
328 | | StringRef FileName, |
329 | | bool IsAngled, |
330 | | CharSourceRange FilenameRange, |
331 | | const FileEntry *File, |
332 | | StringRef SearchPath, |
333 | | StringRef RelativePath, |
334 | | const Module *Imported, |
335 | 600 | SrcMgr::CharacteristicKind FileType) { |
336 | | // In -dI mode, dump #include directives prior to dumping their content or |
337 | | // interpretation. |
338 | 600 | if (DumpIncludeDirectives) { |
339 | 5 | startNewLineIfNeeded(); |
340 | 5 | MoveToLine(HashLoc); |
341 | 5 | const std::string TokenText = PP.getSpelling(IncludeTok); |
342 | 5 | assert(!TokenText.empty()); |
343 | 5 | OS << "#" << TokenText << " " |
344 | 4 | << (IsAngled ? '<'1 : '"') << FileName << (IsAngled ? '>'1 : '"') |
345 | 5 | << " /* clang -E -dI */"; |
346 | 5 | setEmittedDirectiveOnThisLine(); |
347 | 5 | startNewLineIfNeeded(); |
348 | 5 | } |
349 | | |
350 | | // When preprocessing, turn implicit imports into module import pragmas. |
351 | 600 | if (Imported) { |
352 | 39 | switch (IncludeTok.getIdentifierInfo()->getPPKeywordID()) { |
353 | 27 | case tok::pp_include: |
354 | 39 | case tok::pp_import: |
355 | 39 | case tok::pp_include_next: |
356 | 39 | startNewLineIfNeeded(); |
357 | 39 | MoveToLine(HashLoc); |
358 | 39 | OS << "#pragma clang module import " << Imported->getFullModuleName(true) |
359 | 39 | << " /* clang -E: implicit import for " |
360 | 39 | << "#" << PP.getSpelling(IncludeTok) << " " |
361 | 31 | << (IsAngled ? '<'8 : '"') << FileName << (IsAngled ? '>'8 : '"') |
362 | 39 | << " */"; |
363 | | // Since we want a newline after the pragma, but not a #<line>, start a |
364 | | // new line immediately. |
365 | 39 | EmittedTokensOnThisLine = true; |
366 | 39 | startNewLineIfNeeded(); |
367 | 39 | break; |
368 | | |
369 | 0 | case tok::pp___include_macros: |
370 | | // #__include_macros has no effect on a user of a preprocessed source |
371 | | // file; the only effect is on preprocessing. |
372 | | // |
373 | | // FIXME: That's not *quite* true: it causes the module in question to |
374 | | // be loaded, which can affect downstream diagnostics. |
375 | 0 | break; |
376 | | |
377 | 0 | default: |
378 | 0 | llvm_unreachable("unknown include directive kind"); |
379 | 0 | break; |
380 | 39 | } |
381 | 39 | } |
382 | 600 | } |
383 | | |
384 | | /// Handle entering the scope of a module during a module compilation. |
385 | 37 | void PrintPPOutputPPCallbacks::BeginModule(const Module *M) { |
386 | 37 | startNewLineIfNeeded(); |
387 | 37 | OS << "#pragma clang module begin " << M->getFullModuleName(true); |
388 | 37 | setEmittedDirectiveOnThisLine(); |
389 | 37 | } |
390 | | |
391 | | /// Handle leaving the scope of a module during a module compilation. |
392 | 37 | void PrintPPOutputPPCallbacks::EndModule(const Module *M) { |
393 | 37 | startNewLineIfNeeded(); |
394 | 37 | OS << "#pragma clang module end /*" << M->getFullModuleName(true) << "*/"; |
395 | 37 | setEmittedDirectiveOnThisLine(); |
396 | 37 | } |
397 | | |
398 | | /// Ident - Handle #ident directives when read by the preprocessor. |
399 | | /// |
400 | 0 | void PrintPPOutputPPCallbacks::Ident(SourceLocation Loc, StringRef S) { |
401 | 0 | MoveToLine(Loc); |
402 | |
|
403 | 0 | OS.write("#ident ", strlen("#ident ")); |
404 | 0 | OS.write(S.begin(), S.size()); |
405 | 0 | EmittedTokensOnThisLine = true; |
406 | 0 | } |
407 | | |
408 | | /// MacroDefined - This hook is called whenever a macro definition is seen. |
409 | | void PrintPPOutputPPCallbacks::MacroDefined(const Token &MacroNameTok, |
410 | 484k | const MacroDirective *MD) { |
411 | 484k | const MacroInfo *MI = MD->getMacroInfo(); |
412 | | // Only print out macro definitions in -dD mode. |
413 | 484k | if (!DumpDefines || |
414 | | // Ignore __FILE__ etc. |
415 | 483k | MI->isBuiltinMacro()996 ) return; |
416 | | |
417 | 996 | MoveToLine(MI->getDefinitionLoc()); |
418 | 996 | PrintMacroDefinition(*MacroNameTok.getIdentifierInfo(), *MI, PP, OS); |
419 | 996 | setEmittedDirectiveOnThisLine(); |
420 | 996 | } |
421 | | |
422 | | void PrintPPOutputPPCallbacks::MacroUndefined(const Token &MacroNameTok, |
423 | | const MacroDefinition &MD, |
424 | 210 | const MacroDirective *Undef) { |
425 | | // Only print out macro definitions in -dD mode. |
426 | 210 | if (!DumpDefines) return209 ; |
427 | | |
428 | 1 | MoveToLine(MacroNameTok.getLocation()); |
429 | 1 | OS << "#undef " << MacroNameTok.getIdentifierInfo()->getName(); |
430 | 1 | setEmittedDirectiveOnThisLine(); |
431 | 1 | } |
432 | | |
433 | 7 | static void outputPrintable(raw_ostream &OS, StringRef Str) { |
434 | 43 | for (unsigned char Char : Str) { |
435 | 43 | if (isPrintable(Char) && Char != '\\'41 && Char != '"'39 ) |
436 | 33 | OS << (char)Char; |
437 | 10 | else // Output anything hard as an octal escape. |
438 | 10 | OS << '\\' |
439 | 10 | << (char)('0' + ((Char >> 6) & 7)) |
440 | 10 | << (char)('0' + ((Char >> 3) & 7)) |
441 | 10 | << (char)('0' + ((Char >> 0) & 7)); |
442 | 43 | } |
443 | 7 | } |
444 | | |
445 | | void PrintPPOutputPPCallbacks::PragmaMessage(SourceLocation Loc, |
446 | | StringRef Namespace, |
447 | | PragmaMessageKind Kind, |
448 | 7 | StringRef Str) { |
449 | 7 | startNewLineIfNeeded(); |
450 | 7 | MoveToLine(Loc); |
451 | 7 | OS << "#pragma "; |
452 | 7 | if (!Namespace.empty()) |
453 | 4 | OS << Namespace << ' '; |
454 | 7 | switch (Kind) { |
455 | 3 | case PMK_Message: |
456 | 3 | OS << "message(\""; |
457 | 3 | break; |
458 | 2 | case PMK_Warning: |
459 | 2 | OS << "warning \""; |
460 | 2 | break; |
461 | 2 | case PMK_Error: |
462 | 2 | OS << "error \""; |
463 | 2 | break; |
464 | 7 | } |
465 | | |
466 | 7 | outputPrintable(OS, Str); |
467 | 7 | OS << '"'; |
468 | 7 | if (Kind == PMK_Message) |
469 | 3 | OS << ')'; |
470 | 7 | setEmittedDirectiveOnThisLine(); |
471 | 7 | } |
472 | | |
473 | | void PrintPPOutputPPCallbacks::PragmaDebug(SourceLocation Loc, |
474 | 5 | StringRef DebugType) { |
475 | 5 | startNewLineIfNeeded(); |
476 | 5 | MoveToLine(Loc); |
477 | | |
478 | 5 | OS << "#pragma clang __debug "; |
479 | 5 | OS << DebugType; |
480 | | |
481 | 5 | setEmittedDirectiveOnThisLine(); |
482 | 5 | } |
483 | | |
484 | | void PrintPPOutputPPCallbacks:: |
485 | 9 | PragmaDiagnosticPush(SourceLocation Loc, StringRef Namespace) { |
486 | 9 | startNewLineIfNeeded(); |
487 | 9 | MoveToLine(Loc); |
488 | 9 | OS << "#pragma " << Namespace << " diagnostic push"; |
489 | 9 | setEmittedDirectiveOnThisLine(); |
490 | 9 | } |
491 | | |
492 | | void PrintPPOutputPPCallbacks:: |
493 | 9 | PragmaDiagnosticPop(SourceLocation Loc, StringRef Namespace) { |
494 | 9 | startNewLineIfNeeded(); |
495 | 9 | MoveToLine(Loc); |
496 | 9 | OS << "#pragma " << Namespace << " diagnostic pop"; |
497 | 9 | setEmittedDirectiveOnThisLine(); |
498 | 9 | } |
499 | | |
500 | | void PrintPPOutputPPCallbacks::PragmaDiagnostic(SourceLocation Loc, |
501 | | StringRef Namespace, |
502 | | diag::Severity Map, |
503 | 17 | StringRef Str) { |
504 | 17 | startNewLineIfNeeded(); |
505 | 17 | MoveToLine(Loc); |
506 | 17 | OS << "#pragma " << Namespace << " diagnostic "; |
507 | 17 | switch (Map) { |
508 | 0 | case diag::Severity::Remark: |
509 | 0 | OS << "remark"; |
510 | 0 | break; |
511 | 2 | case diag::Severity::Warning: |
512 | 2 | OS << "warning"; |
513 | 2 | break; |
514 | 3 | case diag::Severity::Error: |
515 | 3 | OS << "error"; |
516 | 3 | break; |
517 | 10 | case diag::Severity::Ignored: |
518 | 10 | OS << "ignored"; |
519 | 10 | break; |
520 | 2 | case diag::Severity::Fatal: |
521 | 2 | OS << "fatal"; |
522 | 2 | break; |
523 | 17 | } |
524 | 17 | OS << " \"" << Str << '"'; |
525 | 17 | setEmittedDirectiveOnThisLine(); |
526 | 17 | } |
527 | | |
528 | | void PrintPPOutputPPCallbacks::PragmaWarning(SourceLocation Loc, |
529 | | StringRef WarningSpec, |
530 | 15 | ArrayRef<int> Ids) { |
531 | 15 | startNewLineIfNeeded(); |
532 | 15 | MoveToLine(Loc); |
533 | 15 | OS << "#pragma warning(" << WarningSpec << ':'; |
534 | 39 | for (ArrayRef<int>::iterator I = Ids.begin(), E = Ids.end(); I != E; ++I24 ) |
535 | 24 | OS << ' ' << *I; |
536 | 15 | OS << ')'; |
537 | 15 | setEmittedDirectiveOnThisLine(); |
538 | 15 | } |
539 | | |
540 | | void PrintPPOutputPPCallbacks::PragmaWarningPush(SourceLocation Loc, |
541 | 17 | int Level) { |
542 | 17 | startNewLineIfNeeded(); |
543 | 17 | MoveToLine(Loc); |
544 | 17 | OS << "#pragma warning(push"; |
545 | 17 | if (Level >= 0) |
546 | 9 | OS << ", " << Level; |
547 | 17 | OS << ')'; |
548 | 17 | setEmittedDirectiveOnThisLine(); |
549 | 17 | } |
550 | | |
551 | 6 | void PrintPPOutputPPCallbacks::PragmaWarningPop(SourceLocation Loc) { |
552 | 6 | startNewLineIfNeeded(); |
553 | 6 | MoveToLine(Loc); |
554 | 6 | OS << "#pragma warning(pop)"; |
555 | 6 | setEmittedDirectiveOnThisLine(); |
556 | 6 | } |
557 | | |
558 | | void PrintPPOutputPPCallbacks::PragmaExecCharsetPush(SourceLocation Loc, |
559 | 4 | StringRef Str) { |
560 | 4 | startNewLineIfNeeded(); |
561 | 4 | MoveToLine(Loc); |
562 | 4 | OS << "#pragma character_execution_set(push"; |
563 | 4 | if (!Str.empty()) |
564 | 4 | OS << ", " << Str; |
565 | 4 | OS << ')'; |
566 | 4 | setEmittedDirectiveOnThisLine(); |
567 | 4 | } |
568 | | |
569 | 3 | void PrintPPOutputPPCallbacks::PragmaExecCharsetPop(SourceLocation Loc) { |
570 | 3 | startNewLineIfNeeded(); |
571 | 3 | MoveToLine(Loc); |
572 | 3 | OS << "#pragma character_execution_set(pop)"; |
573 | 3 | setEmittedDirectiveOnThisLine(); |
574 | 3 | } |
575 | | |
576 | | void PrintPPOutputPPCallbacks:: |
577 | 1 | PragmaAssumeNonNullBegin(SourceLocation Loc) { |
578 | 1 | startNewLineIfNeeded(); |
579 | 1 | MoveToLine(Loc); |
580 | 1 | OS << "#pragma clang assume_nonnull begin"; |
581 | 1 | setEmittedDirectiveOnThisLine(); |
582 | 1 | } |
583 | | |
584 | | void PrintPPOutputPPCallbacks:: |
585 | 1 | PragmaAssumeNonNullEnd(SourceLocation Loc) { |
586 | 1 | startNewLineIfNeeded(); |
587 | 1 | MoveToLine(Loc); |
588 | 1 | OS << "#pragma clang assume_nonnull end"; |
589 | 1 | setEmittedDirectiveOnThisLine(); |
590 | 1 | } |
591 | | |
592 | | /// HandleFirstTokOnLine - When emitting a preprocessed file in -E mode, this |
593 | | /// is called for the first token on each new line. If this really is the start |
594 | | /// of a new logical line, handle it and return true, otherwise return false. |
595 | | /// This may not be the start of a logical line because the "start of line" |
596 | | /// marker is set for spelling lines, not expansion ones. |
597 | 45.4k | bool PrintPPOutputPPCallbacks::HandleFirstTokOnLine(Token &Tok) { |
598 | | // Figure out what line we went to and insert the appropriate number of |
599 | | // newline characters. |
600 | 45.4k | if (!MoveToLine(Tok.getLocation())) |
601 | 158 | return false; |
602 | | |
603 | | // Print out space characters so that the first token on a line is |
604 | | // indented for easy reading. |
605 | 45.2k | unsigned ColNo = SM.getExpansionColumnNumber(Tok.getLocation()); |
606 | | |
607 | | // The first token on a line can have a column number of 1, yet still expect |
608 | | // leading white space, if a macro expansion in column 1 starts with an empty |
609 | | // macro argument, or an empty nested macro expansion. In this case, move the |
610 | | // token to column 2. |
611 | 45.2k | if (ColNo == 1 && Tok.hasLeadingSpace()34.5k ) |
612 | 1 | ColNo = 2; |
613 | | |
614 | | // This hack prevents stuff like: |
615 | | // #define HASH # |
616 | | // HASH define foo bar |
617 | | // From having the # character end up at column 1, which makes it so it |
618 | | // is not handled as a #define next time through the preprocessor if in |
619 | | // -fpreprocessed mode. |
620 | 45.2k | if (ColNo <= 1 && Tok.is(tok::hash)34.5k ) |
621 | 15 | OS << ' '; |
622 | | |
623 | | // Otherwise, indent the appropriate number of spaces. |
624 | 225k | for (; ColNo > 1; --ColNo180k ) |
625 | 180k | OS << ' '; |
626 | | |
627 | 45.2k | return true; |
628 | 45.2k | } |
629 | | |
630 | | void PrintPPOutputPPCallbacks::HandleNewlinesInToken(const char *TokStr, |
631 | 16.1k | unsigned Len) { |
632 | 16.1k | unsigned NumNewlines = 0; |
633 | 710k | for (; Len; --Len, ++TokStr694k ) { |
634 | 694k | if (*TokStr != '\n' && |
635 | 693k | *TokStr != '\r') |
636 | 693k | continue; |
637 | | |
638 | 1.16k | ++NumNewlines; |
639 | | |
640 | | // If we have \n\r or \r\n, skip both and count as one line. |
641 | 1.16k | if (Len != 1 && |
642 | 1.05k | (TokStr[1] == '\n' || TokStr[1] == '\r'1.00k ) && |
643 | 55 | TokStr[0] != TokStr[1]) { |
644 | 0 | ++TokStr; |
645 | 0 | --Len; |
646 | 0 | } |
647 | 1.16k | } |
648 | | |
649 | 16.1k | if (NumNewlines == 0) return15.8k ; |
650 | | |
651 | 277 | CurLine += NumNewlines; |
652 | 277 | } |
653 | | |
654 | | |
655 | | namespace { |
656 | | struct UnknownPragmaHandler : public PragmaHandler { |
657 | | const char *Prefix; |
658 | | PrintPPOutputPPCallbacks *Callbacks; |
659 | | |
660 | | // Set to true if tokens should be expanded |
661 | | bool ShouldExpandTokens; |
662 | | |
663 | | UnknownPragmaHandler(const char *prefix, PrintPPOutputPPCallbacks *callbacks, |
664 | | bool RequireTokenExpansion) |
665 | | : Prefix(prefix), Callbacks(callbacks), |
666 | 2.06k | ShouldExpandTokens(RequireTokenExpansion) {} |
667 | | void HandlePragma(Preprocessor &PP, PragmaIntroducer Introducer, |
668 | 75 | Token &PragmaTok) override { |
669 | | // Figure out what line we went to and insert the appropriate number of |
670 | | // newline characters. |
671 | 75 | Callbacks->startNewLineIfNeeded(); |
672 | 75 | Callbacks->MoveToLine(PragmaTok.getLocation()); |
673 | 75 | Callbacks->OS.write(Prefix, strlen(Prefix)); |
674 | | |
675 | 75 | if (ShouldExpandTokens) { |
676 | | // The first token does not have expanded macros. Expand them, if |
677 | | // required. |
678 | 53 | auto Toks = std::make_unique<Token[]>(1); |
679 | 53 | Toks[0] = PragmaTok; |
680 | 53 | PP.EnterTokenStream(std::move(Toks), /*NumToks=*/1, |
681 | 53 | /*DisableMacroExpansion=*/false, |
682 | 53 | /*IsReinject=*/false); |
683 | 53 | PP.Lex(PragmaTok); |
684 | 53 | } |
685 | 75 | Token PrevToken; |
686 | 75 | Token PrevPrevToken; |
687 | 75 | PrevToken.startToken(); |
688 | 75 | PrevPrevToken.startToken(); |
689 | | |
690 | | // Read and print all of the pragma tokens. |
691 | 418 | while (PragmaTok.isNot(tok::eod)) { |
692 | 343 | if (PragmaTok.hasLeadingSpace() || |
693 | 198 | Callbacks->AvoidConcat(PrevPrevToken, PrevToken, PragmaTok)) |
694 | 146 | Callbacks->OS << ' '; |
695 | 343 | std::string TokSpell = PP.getSpelling(PragmaTok); |
696 | 343 | Callbacks->OS.write(&TokSpell[0], TokSpell.size()); |
697 | | |
698 | 343 | PrevPrevToken = PrevToken; |
699 | 343 | PrevToken = PragmaTok; |
700 | | |
701 | 343 | if (ShouldExpandTokens) |
702 | 282 | PP.Lex(PragmaTok); |
703 | 61 | else |
704 | 61 | PP.LexUnexpandedToken(PragmaTok); |
705 | 343 | } |
706 | 75 | Callbacks->setEmittedDirectiveOnThisLine(); |
707 | 75 | } |
708 | | }; |
709 | | } // end anonymous namespace |
710 | | |
711 | | |
712 | | static void PrintPreprocessedTokens(Preprocessor &PP, Token &Tok, |
713 | | PrintPPOutputPPCallbacks *Callbacks, |
714 | 516 | raw_ostream &OS) { |
715 | 516 | bool DropComments = PP.getLangOpts().TraditionalCPP && |
716 | 3 | !PP.getCommentRetentionState(); |
717 | | |
718 | 516 | char Buffer[256]; |
719 | 516 | Token PrevPrevTok, PrevTok; |
720 | 516 | PrevPrevTok.startToken(); |
721 | 516 | PrevTok.startToken(); |
722 | 870k | while (1) { |
723 | 870k | if (Callbacks->hasEmittedDirectiveOnThisLine()) { |
724 | 79 | Callbacks->startNewLineIfNeeded(); |
725 | 79 | Callbacks->MoveToLine(Tok.getLocation()); |
726 | 79 | } |
727 | | |
728 | | // If this token is at the start of a line, emit newlines if needed. |
729 | 870k | if (Tok.isAtStartOfLine() && Callbacks->HandleFirstTokOnLine(Tok)45.4k ) { |
730 | | // done. |
731 | 825k | } else if (Tok.hasLeadingSpace() || |
732 | | // If we haven't emitted a token on this line yet, PrevTok isn't |
733 | | // useful to look at and no concatenation could happen anyway. |
734 | 455k | (Callbacks->hasEmittedTokensOnThisLine() && |
735 | | // Don't print "-" next to "-", it would form "--". |
736 | 455k | Callbacks->AvoidConcat(PrevPrevTok, PrevTok, Tok))) { |
737 | 370k | OS << ' '; |
738 | 370k | } |
739 | | |
740 | 870k | if (DropComments && Tok.is(tok::comment)275 ) { |
741 | | // Skip comments. Normally the preprocessor does not generate |
742 | | // tok::comment nodes at all when not keeping comments, but under |
743 | | // -traditional-cpp the lexer keeps /all/ whitespace, including comments. |
744 | 50 | SourceLocation StartLoc = Tok.getLocation(); |
745 | 50 | Callbacks->MoveToLine(StartLoc.getLocWithOffset(Tok.getLength())); |
746 | 870k | } else if (Tok.is(tok::eod)) { |
747 | | // Don't print end of directive tokens, since they are typically newlines |
748 | | // that mess up our line tracking. These come from unknown pre-processor |
749 | | // directives or hash-prefixed comments in standalone assembly files. |
750 | 27 | PP.Lex(Tok); |
751 | 27 | continue; |
752 | 870k | } else if (Tok.is(tok::annot_module_include)) { |
753 | | // PrintPPOutputPPCallbacks::InclusionDirective handles producing |
754 | | // appropriate output here. Ignore this token entirely. |
755 | 47 | PP.Lex(Tok); |
756 | 47 | continue; |
757 | 870k | } else if (Tok.is(tok::annot_module_begin)) { |
758 | | // FIXME: We retrieve this token after the FileChanged callback, and |
759 | | // retrieve the module_end token before the FileChanged callback, so |
760 | | // we render this within the file and render the module end outside the |
761 | | // file, but this is backwards from the token locations: the module_begin |
762 | | // token is at the include location (outside the file) and the module_end |
763 | | // token is at the EOF location (within the file). |
764 | 37 | Callbacks->BeginModule( |
765 | 37 | reinterpret_cast<Module *>(Tok.getAnnotationValue())); |
766 | 37 | PP.Lex(Tok); |
767 | 37 | continue; |
768 | 870k | } else if (Tok.is(tok::annot_module_end)) { |
769 | 37 | Callbacks->EndModule( |
770 | 37 | reinterpret_cast<Module *>(Tok.getAnnotationValue())); |
771 | 37 | PP.Lex(Tok); |
772 | 37 | continue; |
773 | 870k | } else if (Tok.is(tok::annot_header_unit)) { |
774 | | // This is a header-name that has been (effectively) converted into a |
775 | | // module-name. |
776 | | // FIXME: The module name could contain non-identifier module name |
777 | | // components. We don't have a good way to round-trip those. |
778 | 5 | Module *M = reinterpret_cast<Module *>(Tok.getAnnotationValue()); |
779 | 5 | std::string Name = M->getFullModuleName(); |
780 | 5 | OS.write(Name.data(), Name.size()); |
781 | 5 | Callbacks->HandleNewlinesInToken(Name.data(), Name.size()); |
782 | 870k | } else if (Tok.isAnnotation()) { |
783 | | // Ignore annotation tokens created by pragmas - the pragmas themselves |
784 | | // will be reproduced in the preprocessed output. |
785 | 3 | PP.Lex(Tok); |
786 | 3 | continue; |
787 | 870k | } else if (IdentifierInfo *II = Tok.getIdentifierInfo()) { |
788 | 403k | OS << II->getName(); |
789 | 467k | } else if (Tok.isLiteral() && !Tok.needsCleaning()13.6k && |
790 | 13.6k | Tok.getLiteralData()) { |
791 | 13.6k | OS.write(Tok.getLiteralData(), Tok.getLength()); |
792 | 453k | } else if (Tok.getLength() < llvm::array_lengthof(Buffer)) { |
793 | 453k | const char *TokPtr = Buffer; |
794 | 453k | unsigned Len = PP.getSpelling(Tok, TokPtr); |
795 | 453k | OS.write(TokPtr, Len); |
796 | | |
797 | | // Tokens that can contain embedded newlines need to adjust our current |
798 | | // line number. |
799 | 453k | if (Tok.getKind() == tok::comment || Tok.getKind() == tok::unknown437k ) |
800 | 16.0k | Callbacks->HandleNewlinesInToken(TokPtr, Len); |
801 | 110 | } else { |
802 | 110 | std::string S = PP.getSpelling(Tok); |
803 | 110 | OS.write(S.data(), S.size()); |
804 | | |
805 | | // Tokens that can contain embedded newlines need to adjust our current |
806 | | // line number. |
807 | 110 | if (Tok.getKind() == tok::comment || Tok.getKind() == tok::unknown0 ) |
808 | 110 | Callbacks->HandleNewlinesInToken(S.data(), S.size()); |
809 | 110 | } |
810 | 870k | Callbacks->setEmittedTokensOnThisLine(); |
811 | | |
812 | 870k | if (Tok.is(tok::eof)) break516 ; |
813 | | |
814 | 870k | PrevPrevTok = PrevTok; |
815 | 870k | PrevTok = Tok; |
816 | 870k | PP.Lex(Tok); |
817 | 870k | } |
818 | 516 | } |
819 | | |
820 | | typedef std::pair<const IdentifierInfo *, MacroInfo *> id_macro_pair; |
821 | 4.50M | static int MacroIDCompare(const id_macro_pair *LHS, const id_macro_pair *RHS) { |
822 | 4.50M | return LHS->first->getName().compare(RHS->first->getName()); |
823 | 4.50M | } |
824 | | |
825 | 1.45k | static void DoPrintMacros(Preprocessor &PP, raw_ostream *OS) { |
826 | | // Ignore unknown pragmas. |
827 | 1.45k | PP.IgnorePragmas(); |
828 | | |
829 | | // -dM mode just scans and ignores all tokens in the files, then dumps out |
830 | | // the macro table at the end. |
831 | 1.45k | PP.EnterMainSourceFile(); |
832 | | |
833 | 1.45k | Token Tok; |
834 | 1.69k | do PP.Lex(Tok); |
835 | 1.69k | while (Tok.isNot(tok::eof)); |
836 | | |
837 | 1.45k | SmallVector<id_macro_pair, 128> MacrosByID; |
838 | 1.45k | for (Preprocessor::macro_iterator I = PP.macro_begin(), E = PP.macro_end(); |
839 | 536k | I != E; ++I534k ) { |
840 | 534k | auto *MD = I->second.getLatest(); |
841 | 534k | if (MD && MD->isDefined()) |
842 | 534k | MacrosByID.push_back(id_macro_pair(I->first, MD->getMacroInfo())); |
843 | 534k | } |
844 | 1.45k | llvm::array_pod_sort(MacrosByID.begin(), MacrosByID.end(), MacroIDCompare); |
845 | | |
846 | 536k | for (unsigned i = 0, e = MacrosByID.size(); i != e; ++i534k ) { |
847 | 534k | MacroInfo &MI = *MacrosByID[i].second; |
848 | | // Ignore computed macros like __LINE__ and friends. |
849 | 534k | if (MI.isBuiltinMacro()) continue36.4k ; |
850 | | |
851 | 498k | PrintMacroDefinition(*MacrosByID[i].first, MI, PP, *OS); |
852 | 498k | *OS << '\n'; |
853 | 498k | } |
854 | 1.45k | } |
855 | | |
856 | | /// DoPrintPreprocessedInput - This implements -E mode. |
857 | | /// |
858 | | void clang::DoPrintPreprocessedInput(Preprocessor &PP, raw_ostream *OS, |
859 | 1.97k | const PreprocessorOutputOptions &Opts) { |
860 | | // Show macros with no output is handled specially. |
861 | 1.97k | if (!Opts.ShowCPP) { |
862 | 1.45k | assert(Opts.ShowMacros && "Not yet implemented!"); |
863 | 1.45k | DoPrintMacros(PP, OS); |
864 | 1.45k | return; |
865 | 1.45k | } |
866 | | |
867 | | // Inform the preprocessor whether we want it to retain comments or not, due |
868 | | // to -C or -CC. |
869 | 516 | PP.SetCommentRetentionState(Opts.ShowComments, Opts.ShowMacroComments); |
870 | | |
871 | 516 | PrintPPOutputPPCallbacks *Callbacks = new PrintPPOutputPPCallbacks( |
872 | 516 | PP, *OS, !Opts.ShowLineMarkers, Opts.ShowMacros, |
873 | 516 | Opts.ShowIncludeDirectives, Opts.UseLineDirectives); |
874 | | |
875 | | // Expand macros in pragmas with -fms-extensions. The assumption is that |
876 | | // the majority of pragmas in such a file will be Microsoft pragmas. |
877 | | // Remember the handlers we will add so that we can remove them later. |
878 | 516 | std::unique_ptr<UnknownPragmaHandler> MicrosoftExtHandler( |
879 | 516 | new UnknownPragmaHandler( |
880 | 516 | "#pragma", Callbacks, |
881 | 516 | /*RequireTokenExpansion=*/PP.getLangOpts().MicrosoftExt)); |
882 | | |
883 | 516 | std::unique_ptr<UnknownPragmaHandler> GCCHandler(new UnknownPragmaHandler( |
884 | 516 | "#pragma GCC", Callbacks, |
885 | 516 | /*RequireTokenExpansion=*/PP.getLangOpts().MicrosoftExt)); |
886 | | |
887 | 516 | std::unique_ptr<UnknownPragmaHandler> ClangHandler(new UnknownPragmaHandler( |
888 | 516 | "#pragma clang", Callbacks, |
889 | 516 | /*RequireTokenExpansion=*/PP.getLangOpts().MicrosoftExt)); |
890 | | |
891 | 516 | PP.AddPragmaHandler(MicrosoftExtHandler.get()); |
892 | 516 | PP.AddPragmaHandler("GCC", GCCHandler.get()); |
893 | 516 | PP.AddPragmaHandler("clang", ClangHandler.get()); |
894 | | |
895 | | // The tokens after pragma omp need to be expanded. |
896 | | // |
897 | | // OpenMP [2.1, Directive format] |
898 | | // Preprocessing tokens following the #pragma omp are subject to macro |
899 | | // replacement. |
900 | 516 | std::unique_ptr<UnknownPragmaHandler> OpenMPHandler( |
901 | 516 | new UnknownPragmaHandler("#pragma omp", Callbacks, |
902 | 516 | /*RequireTokenExpansion=*/true)); |
903 | 516 | PP.AddPragmaHandler("omp", OpenMPHandler.get()); |
904 | | |
905 | 516 | PP.addPPCallbacks(std::unique_ptr<PPCallbacks>(Callbacks)); |
906 | | |
907 | | // After we have configured the preprocessor, enter the main file. |
908 | 516 | PP.EnterMainSourceFile(); |
909 | | |
910 | | // Consume all of the tokens that come from the predefines buffer. Those |
911 | | // should not be emitted into the output and are guaranteed to be at the |
912 | | // start. |
913 | 516 | const SourceManager &SourceMgr = PP.getSourceManager(); |
914 | 516 | Token Tok; |
915 | 516 | do { |
916 | 516 | PP.Lex(Tok); |
917 | 516 | if (Tok.is(tok::eof) || !Tok.getLocation().isFileID()423 ) |
918 | 138 | break; |
919 | | |
920 | 378 | PresumedLoc PLoc = SourceMgr.getPresumedLoc(Tok.getLocation()); |
921 | 378 | if (PLoc.isInvalid()) |
922 | 0 | break; |
923 | | |
924 | 378 | if (strcmp(PLoc.getFilename(), "<built-in>")) |
925 | 378 | break; |
926 | 0 | } while (true); |
927 | | |
928 | | // Read all the preprocessed tokens, printing them out to the stream. |
929 | 516 | PrintPreprocessedTokens(PP, Tok, Callbacks, *OS); |
930 | 516 | *OS << '\n'; |
931 | | |
932 | | // Remove the handlers we just added to leave the preprocessor in a sane state |
933 | | // so that it can be reused (for example by a clang::Parser instance). |
934 | 516 | PP.RemovePragmaHandler(MicrosoftExtHandler.get()); |
935 | 516 | PP.RemovePragmaHandler("GCC", GCCHandler.get()); |
936 | 516 | PP.RemovePragmaHandler("clang", ClangHandler.get()); |
937 | 516 | PP.RemovePragmaHandler("omp", OpenMPHandler.get()); |
938 | 516 | } |