clang  14.0.0git
PPCallbacks.h
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1 //===--- PPCallbacks.h - Callbacks for Preprocessor actions -----*- C++ -*-===//
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 /// \file
10 /// Defines the PPCallbacks interface.
11 ///
12 //===----------------------------------------------------------------------===//
13 
14 #ifndef LLVM_CLANG_LEX_PPCALLBACKS_H
15 #define LLVM_CLANG_LEX_PPCALLBACKS_H
16 
20 #include "clang/Lex/ModuleLoader.h"
21 #include "clang/Lex/Pragma.h"
22 #include "llvm/ADT/StringRef.h"
23 
24 namespace clang {
25  class Token;
26  class IdentifierInfo;
27  class MacroDefinition;
28  class MacroDirective;
29  class MacroArgs;
30 
31 /// This interface provides a way to observe the actions of the
32 /// preprocessor as it does its thing.
33 ///
34 /// Clients can define their hooks here to implement preprocessor level tools.
35 class PPCallbacks {
36 public:
37  virtual ~PPCallbacks();
38 
41  };
42 
43  /// Callback invoked whenever a source file is entered or exited.
44  ///
45  /// \param Loc Indicates the new location.
46  /// \param PrevFID the file that was exited if \p Reason is ExitFile.
47  virtual void FileChanged(SourceLocation Loc, FileChangeReason Reason,
49  FileID PrevFID = FileID()) {
50  }
51 
52  /// Callback invoked whenever a source file is skipped as the result
53  /// of header guard optimization.
54  ///
55  /// \param SkippedFile The file that is skipped instead of entering \#include
56  ///
57  /// \param FilenameTok The file name token in \#include "FileName" directive
58  /// or macro expanded file name token from \#include MACRO(PARAMS) directive.
59  /// Note that FilenameTok contains corresponding quotes/angles symbols.
60  virtual void FileSkipped(const FileEntryRef &SkippedFile,
61  const Token &FilenameTok,
62  SrcMgr::CharacteristicKind FileType) {}
63 
64  /// Callback invoked whenever an inclusion directive results in a
65  /// file-not-found error.
66  ///
67  /// \param FileName The name of the file being included, as written in the
68  /// source code.
69  ///
70  /// \param RecoveryPath If this client indicates that it can recover from
71  /// this missing file, the client should set this as an additional header
72  /// search patch.
73  ///
74  /// \returns true to indicate that the preprocessor should attempt to recover
75  /// by adding \p RecoveryPath as a header search path.
76  virtual bool FileNotFound(StringRef FileName,
77  SmallVectorImpl<char> &RecoveryPath) {
78  return false;
79  }
80 
81  /// Callback invoked whenever an inclusion directive of
82  /// any kind (\c \#include, \c \#import, etc.) has been processed, regardless
83  /// of whether the inclusion will actually result in an inclusion.
84  ///
85  /// \param HashLoc The location of the '#' that starts the inclusion
86  /// directive.
87  ///
88  /// \param IncludeTok The token that indicates the kind of inclusion
89  /// directive, e.g., 'include' or 'import'.
90  ///
91  /// \param FileName The name of the file being included, as written in the
92  /// source code.
93  ///
94  /// \param IsAngled Whether the file name was enclosed in angle brackets;
95  /// otherwise, it was enclosed in quotes.
96  ///
97  /// \param FilenameRange The character range of the quotes or angle brackets
98  /// for the written file name.
99  ///
100  /// \param File The actual file that may be included by this inclusion
101  /// directive.
102  ///
103  /// \param SearchPath Contains the search path which was used to find the file
104  /// in the file system. If the file was found via an absolute include path,
105  /// SearchPath will be empty. For framework includes, the SearchPath and
106  /// RelativePath will be split up. For example, if an include of "Some/Some.h"
107  /// is found via the framework path
108  /// "path/to/Frameworks/Some.framework/Headers/Some.h", SearchPath will be
109  /// "path/to/Frameworks/Some.framework/Headers" and RelativePath will be
110  /// "Some.h".
111  ///
112  /// \param RelativePath The path relative to SearchPath, at which the include
113  /// file was found. This is equal to FileName except for framework includes.
114  ///
115  /// \param Imported The module, whenever an inclusion directive was
116  /// automatically turned into a module import or null otherwise.
117  ///
118  /// \param FileType The characteristic kind, indicates whether a file or
119  /// directory holds normal user code, system code, or system code which is
120  /// implicitly 'extern "C"' in C++ mode.
121  ///
122  virtual void InclusionDirective(SourceLocation HashLoc,
123  const Token &IncludeTok,
124  StringRef FileName,
125  bool IsAngled,
126  CharSourceRange FilenameRange,
127  const FileEntry *File,
128  StringRef SearchPath,
129  StringRef RelativePath,
130  const Module *Imported,
131  SrcMgr::CharacteristicKind FileType) {
132  }
133 
134  /// Callback invoked whenever a submodule was entered.
135  ///
136  /// \param M The submodule we have entered.
137  ///
138  /// \param ImportLoc The location of import directive token.
139  ///
140  /// \param ForPragma If entering from pragma directive.
141  ///
142  virtual void EnteredSubmodule(Module *M, SourceLocation ImportLoc,
143  bool ForPragma) { }
144 
145  /// Callback invoked whenever a submodule was left.
146  ///
147  /// \param M The submodule we have left.
148  ///
149  /// \param ImportLoc The location of import directive token.
150  ///
151  /// \param ForPragma If entering from pragma directive.
152  ///
153  virtual void LeftSubmodule(Module *M, SourceLocation ImportLoc,
154  bool ForPragma) { }
155 
156  /// Callback invoked whenever there was an explicit module-import
157  /// syntax.
158  ///
159  /// \param ImportLoc The location of import directive token.
160  ///
161  /// \param Path The identifiers (and their locations) of the module
162  /// "path", e.g., "std.vector" would be split into "std" and "vector".
163  ///
164  /// \param Imported The imported module; can be null if importing failed.
165  ///
166  virtual void moduleImport(SourceLocation ImportLoc,
167  ModuleIdPath Path,
168  const Module *Imported) {
169  }
170 
171  /// Callback invoked when the end of the main file is reached.
172  ///
173  /// No subsequent callbacks will be made.
174  virtual void EndOfMainFile() {
175  }
176 
177  /// Callback invoked when a \#ident or \#sccs directive is read.
178  /// \param Loc The location of the directive.
179  /// \param str The text of the directive.
180  ///
181  virtual void Ident(SourceLocation Loc, StringRef str) {
182  }
183 
184  /// Callback invoked when start reading any pragma directive.
185  virtual void PragmaDirective(SourceLocation Loc,
186  PragmaIntroducerKind Introducer) {
187  }
188 
189  /// Callback invoked when a \#pragma comment directive is read.
191  StringRef Str) {
192  }
193 
194  /// Callback invoked when a \#pragma mark comment is read.
195  virtual void PragmaMark(SourceLocation Loc, StringRef Trivia) {
196  }
197 
198  /// Callback invoked when a \#pragma detect_mismatch directive is
199  /// read.
200  virtual void PragmaDetectMismatch(SourceLocation Loc, StringRef Name,
201  StringRef Value) {
202  }
203 
204  /// Callback invoked when a \#pragma clang __debug directive is read.
205  /// \param Loc The location of the debug directive.
206  /// \param DebugType The identifier following __debug.
207  virtual void PragmaDebug(SourceLocation Loc, StringRef DebugType) {
208  }
209 
210  /// Determines the kind of \#pragma invoking a call to PragmaMessage.
212  /// \#pragma message has been invoked.
214 
215  /// \#pragma GCC warning has been invoked.
217 
218  /// \#pragma GCC error has been invoked.
220  };
221 
222  /// Callback invoked when a \#pragma message directive is read.
223  /// \param Loc The location of the message directive.
224  /// \param Namespace The namespace of the message directive.
225  /// \param Kind The type of the message directive.
226  /// \param Str The text of the message directive.
227  virtual void PragmaMessage(SourceLocation Loc, StringRef Namespace,
228  PragmaMessageKind Kind, StringRef Str) {
229  }
230 
231  /// Callback invoked when a \#pragma gcc diagnostic push directive
232  /// is read.
234  StringRef Namespace) {
235  }
236 
237  /// Callback invoked when a \#pragma gcc diagnostic pop directive
238  /// is read.
240  StringRef Namespace) {
241  }
242 
243  /// Callback invoked when a \#pragma gcc diagnostic directive is read.
244  virtual void PragmaDiagnostic(SourceLocation Loc, StringRef Namespace,
245  diag::Severity mapping, StringRef Str) {}
246 
247  /// Called when an OpenCL extension is either disabled or
248  /// enabled with a pragma.
249  virtual void PragmaOpenCLExtension(SourceLocation NameLoc,
250  const IdentifierInfo *Name,
251  SourceLocation StateLoc, unsigned State) {
252  }
253 
254  /// Callback invoked when a \#pragma warning directive is read.
255  virtual void PragmaWarning(SourceLocation Loc, StringRef WarningSpec,
256  ArrayRef<int> Ids) {
257  }
258 
259  /// Callback invoked when a \#pragma warning(push) directive is read.
260  virtual void PragmaWarningPush(SourceLocation Loc, int Level) {
261  }
262 
263  /// Callback invoked when a \#pragma warning(pop) directive is read.
264  virtual void PragmaWarningPop(SourceLocation Loc) {
265  }
266 
267  /// Callback invoked when a \#pragma execution_character_set(push) directive
268  /// is read.
269  virtual void PragmaExecCharsetPush(SourceLocation Loc, StringRef Str) {}
270 
271  /// Callback invoked when a \#pragma execution_character_set(pop) directive
272  /// is read.
274 
275  /// Callback invoked when a \#pragma clang assume_nonnull begin directive
276  /// is read.
278 
279  /// Callback invoked when a \#pragma clang assume_nonnull end directive
280  /// is read.
282 
283  /// Called by Preprocessor::HandleMacroExpandedIdentifier when a
284  /// macro invocation is found.
285  virtual void MacroExpands(const Token &MacroNameTok,
286  const MacroDefinition &MD, SourceRange Range,
287  const MacroArgs *Args) {}
288 
289  /// Hook called whenever a macro definition is seen.
290  virtual void MacroDefined(const Token &MacroNameTok,
291  const MacroDirective *MD) {
292  }
293 
294  /// Hook called whenever a macro \#undef is seen.
295  /// \param MacroNameTok The active Token
296  /// \param MD A MacroDefinition for the named macro.
297  /// \param Undef New MacroDirective if the macro was defined, null otherwise.
298  ///
299  /// MD is released immediately following this callback.
300  virtual void MacroUndefined(const Token &MacroNameTok,
301  const MacroDefinition &MD,
302  const MacroDirective *Undef) {
303  }
304 
305  /// Hook called whenever the 'defined' operator is seen.
306  /// \param MD The MacroDirective if the name was a macro, null otherwise.
307  virtual void Defined(const Token &MacroNameTok, const MacroDefinition &MD,
308  SourceRange Range) {
309  }
310 
311  /// Hook called when a '__has_include' or '__has_include_next' directive is
312  /// read.
313  virtual void HasInclude(SourceLocation Loc, StringRef FileName, bool IsAngled,
315  SrcMgr::CharacteristicKind FileType);
316 
317  /// Hook called when a source range is skipped.
318  /// \param Range The SourceRange that was skipped. The range begins at the
319  /// \#if/\#else directive and ends after the \#endif/\#else directive.
320  /// \param EndifLoc The end location of the 'endif' token, which may precede
321  /// the range skipped by the directive (e.g excluding comments after an
322  /// 'endif').
323  virtual void SourceRangeSkipped(SourceRange Range, SourceLocation EndifLoc) {
324  }
325 
328  };
329 
330  /// Hook called whenever an \#if is seen.
331  /// \param Loc the source location of the directive.
332  /// \param ConditionRange The SourceRange of the expression being tested.
333  /// \param ConditionValue The evaluated value of the condition.
334  ///
335  // FIXME: better to pass in a list (or tree!) of Tokens.
336  virtual void If(SourceLocation Loc, SourceRange ConditionRange,
337  ConditionValueKind ConditionValue) {
338  }
339 
340  /// Hook called whenever an \#elif is seen.
341  /// \param Loc the source location of the directive.
342  /// \param ConditionRange The SourceRange of the expression being tested.
343  /// \param ConditionValue The evaluated value of the condition.
344  /// \param IfLoc the source location of the \#if/\#ifdef/\#ifndef directive.
345  // FIXME: better to pass in a list (or tree!) of Tokens.
346  virtual void Elif(SourceLocation Loc, SourceRange ConditionRange,
347  ConditionValueKind ConditionValue, SourceLocation IfLoc) {
348  }
349 
350  /// Hook called whenever an \#ifdef is seen.
351  /// \param Loc the source location of the directive.
352  /// \param MacroNameTok Information on the token being tested.
353  /// \param MD The MacroDefinition if the name was a macro, null otherwise.
354  virtual void Ifdef(SourceLocation Loc, const Token &MacroNameTok,
355  const MacroDefinition &MD) {
356  }
357 
358  /// Hook called whenever an \#elifdef branch is taken.
359  /// \param Loc the source location of the directive.
360  /// \param MacroNameTok Information on the token being tested.
361  /// \param MD The MacroDefinition if the name was a macro, null otherwise.
362  virtual void Elifdef(SourceLocation Loc, const Token &MacroNameTok,
363  const MacroDefinition &MD) {
364  }
365  /// Hook called whenever an \#elifdef is skipped.
366  /// \param Loc the source location of the directive.
367  /// \param ConditionRange The SourceRange of the expression being tested.
368  /// \param IfLoc the source location of the \#if/\#ifdef/\#ifndef directive.
369  // FIXME: better to pass in a list (or tree!) of Tokens.
370  virtual void Elifdef(SourceLocation Loc, SourceRange ConditionRange,
371  SourceLocation IfLoc) {
372  }
373 
374  /// Hook called whenever an \#ifndef is seen.
375  /// \param Loc the source location of the directive.
376  /// \param MacroNameTok Information on the token being tested.
377  /// \param MD The MacroDefiniton if the name was a macro, null otherwise.
378  virtual void Ifndef(SourceLocation Loc, const Token &MacroNameTok,
379  const MacroDefinition &MD) {
380  }
381 
382  /// Hook called whenever an \#elifndef branch is taken.
383  /// \param Loc the source location of the directive.
384  /// \param MacroNameTok Information on the token being tested.
385  /// \param MD The MacroDefinition if the name was a macro, null otherwise.
386  virtual void Elifndef(SourceLocation Loc, const Token &MacroNameTok,
387  const MacroDefinition &MD) {
388  }
389  /// Hook called whenever an \#elifndef is skipped.
390  /// \param Loc the source location of the directive.
391  /// \param ConditionRange The SourceRange of the expression being tested.
392  /// \param IfLoc the source location of the \#if/\#ifdef/\#ifndef directive.
393  // FIXME: better to pass in a list (or tree!) of Tokens.
394  virtual void Elifndef(SourceLocation Loc, SourceRange ConditionRange,
395  SourceLocation IfLoc) {
396  }
397 
398  /// Hook called whenever an \#else is seen.
399  /// \param Loc the source location of the directive.
400  /// \param IfLoc the source location of the \#if/\#ifdef/\#ifndef directive.
401  virtual void Else(SourceLocation Loc, SourceLocation IfLoc) {
402  }
403 
404  /// Hook called whenever an \#endif is seen.
405  /// \param Loc the source location of the directive.
406  /// \param IfLoc the source location of the \#if/\#ifdef/\#ifndef directive.
407  virtual void Endif(SourceLocation Loc, SourceLocation IfLoc) {
408  }
409 };
410 
411 /// Simple wrapper class for chaining callbacks.
413  std::unique_ptr<PPCallbacks> First, Second;
414 
415 public:
416  PPChainedCallbacks(std::unique_ptr<PPCallbacks> _First,
417  std::unique_ptr<PPCallbacks> _Second)
418  : First(std::move(_First)), Second(std::move(_Second)) {}
419 
420  ~PPChainedCallbacks() override;
421 
424  FileID PrevFID) override {
425  First->FileChanged(Loc, Reason, FileType, PrevFID);
426  Second->FileChanged(Loc, Reason, FileType, PrevFID);
427  }
428 
429  void FileSkipped(const FileEntryRef &SkippedFile, const Token &FilenameTok,
430  SrcMgr::CharacteristicKind FileType) override {
431  First->FileSkipped(SkippedFile, FilenameTok, FileType);
432  Second->FileSkipped(SkippedFile, FilenameTok, FileType);
433  }
434 
435  bool FileNotFound(StringRef FileName,
436  SmallVectorImpl<char> &RecoveryPath) override {
437  return First->FileNotFound(FileName, RecoveryPath) ||
438  Second->FileNotFound(FileName, RecoveryPath);
439  }
440 
441  void InclusionDirective(SourceLocation HashLoc, const Token &IncludeTok,
442  StringRef FileName, bool IsAngled,
443  CharSourceRange FilenameRange, const FileEntry *File,
444  StringRef SearchPath, StringRef RelativePath,
445  const Module *Imported,
446  SrcMgr::CharacteristicKind FileType) override {
447  First->InclusionDirective(HashLoc, IncludeTok, FileName, IsAngled,
448  FilenameRange, File, SearchPath, RelativePath,
449  Imported, FileType);
450  Second->InclusionDirective(HashLoc, IncludeTok, FileName, IsAngled,
451  FilenameRange, File, SearchPath, RelativePath,
452  Imported, FileType);
453  }
454 
456  bool ForPragma) override {
457  First->EnteredSubmodule(M, ImportLoc, ForPragma);
458  Second->EnteredSubmodule(M, ImportLoc, ForPragma);
459  }
460 
461  void LeftSubmodule(Module *M, SourceLocation ImportLoc,
462  bool ForPragma) override {
463  First->LeftSubmodule(M, ImportLoc, ForPragma);
464  Second->LeftSubmodule(M, ImportLoc, ForPragma);
465  }
466 
468  const Module *Imported) override {
469  First->moduleImport(ImportLoc, Path, Imported);
470  Second->moduleImport(ImportLoc, Path, Imported);
471  }
472 
473  void EndOfMainFile() override {
474  First->EndOfMainFile();
475  Second->EndOfMainFile();
476  }
477 
478  void Ident(SourceLocation Loc, StringRef str) override {
479  First->Ident(Loc, str);
480  Second->Ident(Loc, str);
481  }
482 
484  PragmaIntroducerKind Introducer) override {
485  First->PragmaDirective(Loc, Introducer);
486  Second->PragmaDirective(Loc, Introducer);
487  }
488 
490  StringRef Str) override {
491  First->PragmaComment(Loc, Kind, Str);
492  Second->PragmaComment(Loc, Kind, Str);
493  }
494 
495  void PragmaMark(SourceLocation Loc, StringRef Trivia) override {
496  First->PragmaMark(Loc, Trivia);
497  Second->PragmaMark(Loc, Trivia);
498  }
499 
500  void PragmaDetectMismatch(SourceLocation Loc, StringRef Name,
501  StringRef Value) override {
502  First->PragmaDetectMismatch(Loc, Name, Value);
503  Second->PragmaDetectMismatch(Loc, Name, Value);
504  }
505 
506  void PragmaDebug(SourceLocation Loc, StringRef DebugType) override {
507  First->PragmaDebug(Loc, DebugType);
508  Second->PragmaDebug(Loc, DebugType);
509  }
510 
511  void PragmaMessage(SourceLocation Loc, StringRef Namespace,
512  PragmaMessageKind Kind, StringRef Str) override {
513  First->PragmaMessage(Loc, Namespace, Kind, Str);
514  Second->PragmaMessage(Loc, Namespace, Kind, Str);
515  }
516 
517  void PragmaDiagnosticPush(SourceLocation Loc, StringRef Namespace) override {
518  First->PragmaDiagnosticPush(Loc, Namespace);
519  Second->PragmaDiagnosticPush(Loc, Namespace);
520  }
521 
522  void PragmaDiagnosticPop(SourceLocation Loc, StringRef Namespace) override {
523  First->PragmaDiagnosticPop(Loc, Namespace);
524  Second->PragmaDiagnosticPop(Loc, Namespace);
525  }
526 
527  void PragmaDiagnostic(SourceLocation Loc, StringRef Namespace,
528  diag::Severity mapping, StringRef Str) override {
529  First->PragmaDiagnostic(Loc, Namespace, mapping, Str);
530  Second->PragmaDiagnostic(Loc, Namespace, mapping, Str);
531  }
532 
533  void HasInclude(SourceLocation Loc, StringRef FileName, bool IsAngled,
535  SrcMgr::CharacteristicKind FileType) override;
536 
538  SourceLocation StateLoc, unsigned State) override {
539  First->PragmaOpenCLExtension(NameLoc, Name, StateLoc, State);
540  Second->PragmaOpenCLExtension(NameLoc, Name, StateLoc, State);
541  }
542 
543  void PragmaWarning(SourceLocation Loc, StringRef WarningSpec,
544  ArrayRef<int> Ids) override {
545  First->PragmaWarning(Loc, WarningSpec, Ids);
546  Second->PragmaWarning(Loc, WarningSpec, Ids);
547  }
548 
549  void PragmaWarningPush(SourceLocation Loc, int Level) override {
550  First->PragmaWarningPush(Loc, Level);
551  Second->PragmaWarningPush(Loc, Level);
552  }
553 
554  void PragmaWarningPop(SourceLocation Loc) override {
555  First->PragmaWarningPop(Loc);
556  Second->PragmaWarningPop(Loc);
557  }
558 
559  void PragmaExecCharsetPush(SourceLocation Loc, StringRef Str) override {
560  First->PragmaExecCharsetPush(Loc, Str);
561  Second->PragmaExecCharsetPush(Loc, Str);
562  }
563 
565  First->PragmaExecCharsetPop(Loc);
566  Second->PragmaExecCharsetPop(Loc);
567  }
568 
570  First->PragmaAssumeNonNullBegin(Loc);
571  Second->PragmaAssumeNonNullBegin(Loc);
572  }
573 
575  First->PragmaAssumeNonNullEnd(Loc);
576  Second->PragmaAssumeNonNullEnd(Loc);
577  }
578 
579  void MacroExpands(const Token &MacroNameTok, const MacroDefinition &MD,
580  SourceRange Range, const MacroArgs *Args) override {
581  First->MacroExpands(MacroNameTok, MD, Range, Args);
582  Second->MacroExpands(MacroNameTok, MD, Range, Args);
583  }
584 
585  void MacroDefined(const Token &MacroNameTok,
586  const MacroDirective *MD) override {
587  First->MacroDefined(MacroNameTok, MD);
588  Second->MacroDefined(MacroNameTok, MD);
589  }
590 
591  void MacroUndefined(const Token &MacroNameTok,
592  const MacroDefinition &MD,
593  const MacroDirective *Undef) override {
594  First->MacroUndefined(MacroNameTok, MD, Undef);
595  Second->MacroUndefined(MacroNameTok, MD, Undef);
596  }
597 
598  void Defined(const Token &MacroNameTok, const MacroDefinition &MD,
599  SourceRange Range) override {
600  First->Defined(MacroNameTok, MD, Range);
601  Second->Defined(MacroNameTok, MD, Range);
602  }
603 
604  void SourceRangeSkipped(SourceRange Range, SourceLocation EndifLoc) override {
605  First->SourceRangeSkipped(Range, EndifLoc);
606  Second->SourceRangeSkipped(Range, EndifLoc);
607  }
608 
609  /// Hook called whenever an \#if is seen.
610  void If(SourceLocation Loc, SourceRange ConditionRange,
611  ConditionValueKind ConditionValue) override {
612  First->If(Loc, ConditionRange, ConditionValue);
613  Second->If(Loc, ConditionRange, ConditionValue);
614  }
615 
616  /// Hook called whenever an \#elif is seen.
617  void Elif(SourceLocation Loc, SourceRange ConditionRange,
618  ConditionValueKind ConditionValue, SourceLocation IfLoc) override {
619  First->Elif(Loc, ConditionRange, ConditionValue, IfLoc);
620  Second->Elif(Loc, ConditionRange, ConditionValue, IfLoc);
621  }
622 
623  /// Hook called whenever an \#ifdef is seen.
624  void Ifdef(SourceLocation Loc, const Token &MacroNameTok,
625  const MacroDefinition &MD) override {
626  First->Ifdef(Loc, MacroNameTok, MD);
627  Second->Ifdef(Loc, MacroNameTok, MD);
628  }
629 
630  /// Hook called whenever an \#elifdef is taken.
631  void Elifdef(SourceLocation Loc, const Token &MacroNameTok,
632  const MacroDefinition &MD) override {
633  First->Elifdef(Loc, MacroNameTok, MD);
634  Second->Elifdef(Loc, MacroNameTok, MD);
635  }
636  /// Hook called whenever an \#elifdef is skipped.
637  void Elifdef(SourceLocation Loc, SourceRange ConditionRange,
638  SourceLocation IfLoc) override {
639  First->Elifdef(Loc, ConditionRange, IfLoc);
640  Second->Elifdef(Loc, ConditionRange, IfLoc);
641  }
642 
643  /// Hook called whenever an \#ifndef is seen.
644  void Ifndef(SourceLocation Loc, const Token &MacroNameTok,
645  const MacroDefinition &MD) override {
646  First->Ifndef(Loc, MacroNameTok, MD);
647  Second->Ifndef(Loc, MacroNameTok, MD);
648  }
649 
650  /// Hook called whenever an \#elifndef is taken.
651  void Elifndef(SourceLocation Loc, const Token &MacroNameTok,
652  const MacroDefinition &MD) override {
653  First->Elifndef(Loc, MacroNameTok, MD);
654  Second->Elifndef(Loc, MacroNameTok, MD);
655  }
656  /// Hook called whenever an \#elifndef is skipped.
657  void Elifndef(SourceLocation Loc, SourceRange ConditionRange,
658  SourceLocation IfLoc) override {
659  First->Elifndef(Loc, ConditionRange, IfLoc);
660  Second->Elifndef(Loc, ConditionRange, IfLoc);
661  }
662 
663  /// Hook called whenever an \#else is seen.
664  void Else(SourceLocation Loc, SourceLocation IfLoc) override {
665  First->Else(Loc, IfLoc);
666  Second->Else(Loc, IfLoc);
667  }
668 
669  /// Hook called whenever an \#endif is seen.
670  void Endif(SourceLocation Loc, SourceLocation IfLoc) override {
671  First->Endif(Loc, IfLoc);
672  Second->Endif(Loc, IfLoc);
673  }
674 };
675 
676 } // end namespace clang
677 
678 #endif
clang::PPCallbacks::CVK_True
@ CVK_True
Definition: PPCallbacks.h:327
clang::PPCallbacks::~PPCallbacks
virtual ~PPCallbacks()
clang::diag::Severity
Severity
Enum values that allow the client to map NOTEs, WARNINGs, and EXTENSIONs to either Ignore (nothing),...
Definition: DiagnosticIDs.h:80
clang::PPChainedCallbacks::PragmaDirective
void PragmaDirective(SourceLocation Loc, PragmaIntroducerKind Introducer) override
Callback invoked when start reading any pragma directive.
Definition: PPCallbacks.h:483
clang::PPCallbacks::FileSkipped
virtual void FileSkipped(const FileEntryRef &SkippedFile, const Token &FilenameTok, SrcMgr::CharacteristicKind FileType)
Callback invoked whenever a source file is skipped as the result of header guard optimization.
Definition: PPCallbacks.h:60
clang::PPCallbacks::PragmaAssumeNonNullBegin
virtual void PragmaAssumeNonNullBegin(SourceLocation Loc)
Callback invoked when a #pragma clang assume_nonnull begin directive is read.
Definition: PPCallbacks.h:277
clang::PPCallbacks::PragmaDebug
virtual void PragmaDebug(SourceLocation Loc, StringRef DebugType)
Callback invoked when a #pragma clang __debug directive is read.
Definition: PPCallbacks.h:207
clang::PragmaIntroducerKind
PragmaIntroducerKind
Describes how the pragma was introduced, e.g., with #pragma, _Pragma, or __pragma.
Definition: Pragma.h:32
clang::FileEntryRef
A reference to a FileEntry that includes the name of the file as it was accessed by the FileManager's...
Definition: FileEntry.h:60
clang::PPChainedCallbacks::EnteredSubmodule
void EnteredSubmodule(Module *M, SourceLocation ImportLoc, bool ForPragma) override
Callback invoked whenever a submodule was entered.
Definition: PPCallbacks.h:455
clang::PPCallbacks::SourceRangeSkipped
virtual void SourceRangeSkipped(SourceRange Range, SourceLocation EndifLoc)
Hook called when a source range is skipped.
Definition: PPCallbacks.h:323
clang::DeclaratorContext::File
@ File
clang::SourceRange
A trivial tuple used to represent a source range.
Definition: SourceLocation.h:212
clang::PPCallbacks::PragmaAssumeNonNullEnd
virtual void PragmaAssumeNonNullEnd(SourceLocation Loc)
Callback invoked when a #pragma clang assume_nonnull end directive is read.
Definition: PPCallbacks.h:281
clang::PPCallbacks::Ident
virtual void Ident(SourceLocation Loc, StringRef str)
Callback invoked when a #ident or #sccs directive is read.
Definition: PPCallbacks.h:181
clang::PPCallbacks::If
virtual void If(SourceLocation Loc, SourceRange ConditionRange, ConditionValueKind ConditionValue)
Hook called whenever an #if is seen.
Definition: PPCallbacks.h:336
clang::PPChainedCallbacks::Elif
void Elif(SourceLocation Loc, SourceRange ConditionRange, ConditionValueKind ConditionValue, SourceLocation IfLoc) override
Hook called whenever an #elif is seen.
Definition: PPCallbacks.h:617
clang::PPChainedCallbacks::If
void If(SourceLocation Loc, SourceRange ConditionRange, ConditionValueKind ConditionValue) override
Hook called whenever an #if is seen.
Definition: PPCallbacks.h:610
clang::MacroDefinition
A description of the current definition of a macro.
Definition: MacroInfo.h:564
clang::SourceLocation
Encodes a location in the source.
Definition: SourceLocation.h:88
clang::PPChainedCallbacks::HasInclude
void HasInclude(SourceLocation Loc, StringRef FileName, bool IsAngled, Optional< FileEntryRef > File, SrcMgr::CharacteristicKind FileType) override
Hook called when a '__has_include' or '__has_include_next' directive is read.
Definition: PPCallbacks.cpp:24
clang::PPCallbacks::PMK_Error
@ PMK_Error
#pragma GCC error has been invoked.
Definition: PPCallbacks.h:219
clang::PPCallbacks
This interface provides a way to observe the actions of the preprocessor as it does its thing.
Definition: PPCallbacks.h:35
clang::PPCallbacks::EnteredSubmodule
virtual void EnteredSubmodule(Module *M, SourceLocation ImportLoc, bool ForPragma)
Callback invoked whenever a submodule was entered.
Definition: PPCallbacks.h:142
clang::PPCallbacks::LeftSubmodule
virtual void LeftSubmodule(Module *M, SourceLocation ImportLoc, bool ForPragma)
Callback invoked whenever a submodule was left.
Definition: PPCallbacks.h:153
clang::PPCallbacks::MacroUndefined
virtual void MacroUndefined(const Token &MacroNameTok, const MacroDefinition &MD, const MacroDirective *Undef)
Hook called whenever a macro #undef is seen.
Definition: PPCallbacks.h:300
clang::PPCallbacks::PragmaComment
virtual void PragmaComment(SourceLocation Loc, const IdentifierInfo *Kind, StringRef Str)
Callback invoked when a #pragma comment directive is read.
Definition: PPCallbacks.h:190
clang::MacroArgs
MacroArgs - An instance of this class captures information about the formal arguments specified to a ...
Definition: MacroArgs.h:29
clang::PPChainedCallbacks::PragmaDiagnosticPop
void PragmaDiagnosticPop(SourceLocation Loc, StringRef Namespace) override
Callback invoked when a #pragma gcc diagnostic pop directive is read.
Definition: PPCallbacks.h:522
clang::PPCallbacks::PragmaDetectMismatch
virtual void PragmaDetectMismatch(SourceLocation Loc, StringRef Name, StringRef Value)
Callback invoked when a #pragma detect_mismatch directive is read.
Definition: PPCallbacks.h:200
clang::PPCallbacks::EnterFile
@ EnterFile
Definition: PPCallbacks.h:40
llvm::Optional< FileEntryRef >
clang::ComparisonCategoryType::First
@ First
clang::PPCallbacks::PragmaDiagnosticPush
virtual void PragmaDiagnosticPush(SourceLocation Loc, StringRef Namespace)
Callback invoked when a #pragma gcc diagnostic push directive is read.
Definition: PPCallbacks.h:233
clang::PPChainedCallbacks::Elifndef
void Elifndef(SourceLocation Loc, const Token &MacroNameTok, const MacroDefinition &MD) override
Hook called whenever an #elifndef is taken.
Definition: PPCallbacks.h:651
SourceManager.h
clang::PPChainedCallbacks::PragmaMark
void PragmaMark(SourceLocation Loc, StringRef Trivia) override
Callback invoked when a #pragma mark comment is read.
Definition: PPCallbacks.h:495
clang::SrcMgr::CharacteristicKind
CharacteristicKind
Indicates whether a file or directory holds normal user code, system code, or system code which is im...
Definition: SourceManager.h:78
clang::PPChainedCallbacks::PPChainedCallbacks
PPChainedCallbacks(std::unique_ptr< PPCallbacks > _First, std::unique_ptr< PPCallbacks > _Second)
Definition: PPCallbacks.h:416
DiagnosticIDs.h
clang::PPCallbacks::Ifndef
virtual void Ifndef(SourceLocation Loc, const Token &MacroNameTok, const MacroDefinition &MD)
Hook called whenever an #ifndef is seen.
Definition: PPCallbacks.h:378
clang::PPChainedCallbacks::PragmaAssumeNonNullBegin
void PragmaAssumeNonNullBegin(SourceLocation Loc) override
Callback invoked when a #pragma clang assume_nonnull begin directive is read.
Definition: PPCallbacks.h:569
clang::Token
Token - This structure provides full information about a lexed token.
Definition: Token.h:34
clang::PPChainedCallbacks::EndOfMainFile
void EndOfMainFile() override
Callback invoked when the end of the main file is reached.
Definition: PPCallbacks.h:473
clang::PPChainedCallbacks::FileSkipped
void FileSkipped(const FileEntryRef &SkippedFile, const Token &FilenameTok, SrcMgr::CharacteristicKind FileType) override
Callback invoked whenever a source file is skipped as the result of header guard optimization.
Definition: PPCallbacks.h:429
clang::PPCallbacks::CVK_False
@ CVK_False
Definition: PPCallbacks.h:327
clang::PPCallbacks::MacroExpands
virtual void MacroExpands(const Token &MacroNameTok, const MacroDefinition &MD, SourceRange Range, const MacroArgs *Args)
Called by Preprocessor::HandleMacroExpandedIdentifier when a macro invocation is found.
Definition: PPCallbacks.h:285
clang::Module
Describes a module or submodule.
Definition: Module.h:96
clang::PPChainedCallbacks::PragmaWarningPop
void PragmaWarningPop(SourceLocation Loc) override
Callback invoked when a #pragma warning(pop) directive is read.
Definition: PPCallbacks.h:554
clang::PPChainedCallbacks::Endif
void Endif(SourceLocation Loc, SourceLocation IfLoc) override
Hook called whenever an #endif is seen.
Definition: PPCallbacks.h:670
clang::PPCallbacks::PragmaDirective
virtual void PragmaDirective(SourceLocation Loc, PragmaIntroducerKind Introducer)
Callback invoked when start reading any pragma directive.
Definition: PPCallbacks.h:185
clang::PPChainedCallbacks::Ifdef
void Ifdef(SourceLocation Loc, const Token &MacroNameTok, const MacroDefinition &MD) override
Hook called whenever an #ifdef is seen.
Definition: PPCallbacks.h:624
Pragma.h
clang::PPChainedCallbacks::MacroDefined
void MacroDefined(const Token &MacroNameTok, const MacroDirective *MD) override
Hook called whenever a macro definition is seen.
Definition: PPCallbacks.h:585
clang::PPChainedCallbacks::PragmaExecCharsetPush
void PragmaExecCharsetPush(SourceLocation Loc, StringRef Str) override
Callback invoked when a #pragma execution_character_set(push) directive is read.
Definition: PPCallbacks.h:559
clang::PPChainedCallbacks::PragmaOpenCLExtension
void PragmaOpenCLExtension(SourceLocation NameLoc, const IdentifierInfo *Name, SourceLocation StateLoc, unsigned State) override
Called when an OpenCL extension is either disabled or enabled with a pragma.
Definition: PPCallbacks.h:537
clang::PPCallbacks::Elifdef
virtual void Elifdef(SourceLocation Loc, const Token &MacroNameTok, const MacroDefinition &MD)
Hook called whenever an #elifdef branch is taken.
Definition: PPCallbacks.h:362
clang::PPCallbacks::PragmaExecCharsetPush
virtual void PragmaExecCharsetPush(SourceLocation Loc, StringRef Str)
Callback invoked when a #pragma execution_character_set(push) directive is read.
Definition: PPCallbacks.h:269
clang::PPCallbacks::Elif
virtual void Elif(SourceLocation Loc, SourceRange ConditionRange, ConditionValueKind ConditionValue, SourceLocation IfLoc)
Hook called whenever an #elif is seen.
Definition: PPCallbacks.h:346
clang::PPCallbacks::PragmaMessage
virtual void PragmaMessage(SourceLocation Loc, StringRef Namespace, PragmaMessageKind Kind, StringRef Str)
Callback invoked when a #pragma message directive is read.
Definition: PPCallbacks.h:227
clang::PPChainedCallbacks::Else
void Else(SourceLocation Loc, SourceLocation IfLoc) override
Hook called whenever an #else is seen.
Definition: PPCallbacks.h:664
ModuleLoader.h
clang::PPChainedCallbacks::FileChanged
void FileChanged(SourceLocation Loc, FileChangeReason Reason, SrcMgr::CharacteristicKind FileType, FileID PrevFID) override
Callback invoked whenever a source file is entered or exited.
Definition: PPCallbacks.h:422
clang::PPCallbacks::RenameFile
@ RenameFile
Definition: PPCallbacks.h:40
clang::PPChainedCallbacks::PragmaAssumeNonNullEnd
void PragmaAssumeNonNullEnd(SourceLocation Loc) override
Callback invoked when a #pragma clang assume_nonnull end directive is read.
Definition: PPCallbacks.h:574
clang::PPCallbacks::Elifndef
virtual void Elifndef(SourceLocation Loc, const Token &MacroNameTok, const MacroDefinition &MD)
Hook called whenever an #elifndef branch is taken.
Definition: PPCallbacks.h:386
clang::PPCallbacks::InclusionDirective
virtual void InclusionDirective(SourceLocation HashLoc, const Token &IncludeTok, StringRef FileName, bool IsAngled, CharSourceRange FilenameRange, const FileEntry *File, StringRef SearchPath, StringRef RelativePath, const Module *Imported, SrcMgr::CharacteristicKind FileType)
Callback invoked whenever an inclusion directive of any kind (#include, #import, etc....
Definition: PPCallbacks.h:122
clang::PPChainedCallbacks::PragmaDiagnosticPush
void PragmaDiagnosticPush(SourceLocation Loc, StringRef Namespace) override
Callback invoked when a #pragma gcc diagnostic push directive is read.
Definition: PPCallbacks.h:517
clang::PPCallbacks::ConditionValueKind
ConditionValueKind
Definition: PPCallbacks.h:326
clang::PPCallbacks::PragmaWarning
virtual void PragmaWarning(SourceLocation Loc, StringRef WarningSpec, ArrayRef< int > Ids)
Callback invoked when a #pragma warning directive is read.
Definition: PPCallbacks.h:255
clang::PPChainedCallbacks::Ifndef
void Ifndef(SourceLocation Loc, const Token &MacroNameTok, const MacroDefinition &MD) override
Hook called whenever an #ifndef is seen.
Definition: PPCallbacks.h:644
clang::PPCallbacks::FileNotFound
virtual bool FileNotFound(StringRef FileName, SmallVectorImpl< char > &RecoveryPath)
Callback invoked whenever an inclusion directive results in a file-not-found error.
Definition: PPCallbacks.h:76
clang::PPCallbacks::PMK_Warning
@ PMK_Warning
#pragma GCC warning has been invoked.
Definition: PPCallbacks.h:216
clang::PPChainedCallbacks
Simple wrapper class for chaining callbacks.
Definition: PPCallbacks.h:412
clang::PPChainedCallbacks::LeftSubmodule
void LeftSubmodule(Module *M, SourceLocation ImportLoc, bool ForPragma) override
Callback invoked whenever a submodule was left.
Definition: PPCallbacks.h:461
clang::PPCallbacks::Else
virtual void Else(SourceLocation Loc, SourceLocation IfLoc)
Hook called whenever an #else is seen.
Definition: PPCallbacks.h:401
clang::PPCallbacks::PMK_Message
@ PMK_Message
#pragma message has been invoked.
Definition: PPCallbacks.h:213
clang::PPCallbacks::Elifdef
virtual void Elifdef(SourceLocation Loc, SourceRange ConditionRange, SourceLocation IfLoc)
Hook called whenever an #elifdef is skipped.
Definition: PPCallbacks.h:370
clang::PPChainedCallbacks::FileNotFound
bool FileNotFound(StringRef FileName, SmallVectorImpl< char > &RecoveryPath) override
Callback invoked whenever an inclusion directive results in a file-not-found error.
Definition: PPCallbacks.h:435
clang::FileEntry
Cached information about one file (either on disk or in the virtual file system).
Definition: FileEntry.h:331
clang::PPChainedCallbacks::PragmaWarning
void PragmaWarning(SourceLocation Loc, StringRef WarningSpec, ArrayRef< int > Ids) override
Callback invoked when a #pragma warning directive is read.
Definition: PPCallbacks.h:543
clang::PPChainedCallbacks::PragmaWarningPush
void PragmaWarningPush(SourceLocation Loc, int Level) override
Callback invoked when a #pragma warning(push) directive is read.
Definition: PPCallbacks.h:549
clang::PPChainedCallbacks::MacroExpands
void MacroExpands(const Token &MacroNameTok, const MacroDefinition &MD, SourceRange Range, const MacroArgs *Args) override
Called by Preprocessor::HandleMacroExpandedIdentifier when a macro invocation is found.
Definition: PPCallbacks.h:579
clang::PPChainedCallbacks::InclusionDirective
void InclusionDirective(SourceLocation HashLoc, const Token &IncludeTok, StringRef FileName, bool IsAngled, CharSourceRange FilenameRange, const FileEntry *File, StringRef SearchPath, StringRef RelativePath, const Module *Imported, SrcMgr::CharacteristicKind FileType) override
Callback invoked whenever an inclusion directive of any kind (#include, #import, etc....
Definition: PPCallbacks.h:441
clang::PPCallbacks::Endif
virtual void Endif(SourceLocation Loc, SourceLocation IfLoc)
Hook called whenever an #endif is seen.
Definition: PPCallbacks.h:407
clang::PPCallbacks::ExitFile
@ ExitFile
Definition: PPCallbacks.h:40
SourceLocation.h
clang::PPCallbacks::FileChangeReason
FileChangeReason
Definition: PPCallbacks.h:39
clang::PPChainedCallbacks::MacroUndefined
void MacroUndefined(const Token &MacroNameTok, const MacroDefinition &MD, const MacroDirective *Undef) override
Hook called whenever a macro #undef is seen.
Definition: PPCallbacks.h:591
clang::PPCallbacks::SystemHeaderPragma
@ SystemHeaderPragma
Definition: PPCallbacks.h:40
clang::PPChainedCallbacks::Elifndef
void Elifndef(SourceLocation Loc, SourceRange ConditionRange, SourceLocation IfLoc) override
Hook called whenever an #elifndef is skipped.
Definition: PPCallbacks.h:657
llvm::ArrayRef
Definition: LLVM.h:34
clang::PPCallbacks::PragmaMark
virtual void PragmaMark(SourceLocation Loc, StringRef Trivia)
Callback invoked when a #pragma mark comment is read.
Definition: PPCallbacks.h:195
clang::PPCallbacks::Defined
virtual void Defined(const Token &MacroNameTok, const MacroDefinition &MD, SourceRange Range)
Hook called whenever the 'defined' operator is seen.
Definition: PPCallbacks.h:307
Value
Value
Definition: UninitializedValues.cpp:102
clang::PPChainedCallbacks::Ident
void Ident(SourceLocation Loc, StringRef str) override
Callback invoked when a #ident or #sccs directive is read.
Definition: PPCallbacks.h:478
clang::CharSourceRange
Represents a character-granular source range.
Definition: SourceLocation.h:255
clang::PPCallbacks::EndOfMainFile
virtual void EndOfMainFile()
Callback invoked when the end of the main file is reached.
Definition: PPCallbacks.h:174
State
LineState State
Definition: UnwrappedLineFormatter.cpp:986
clang::PPChainedCallbacks::PragmaDebug
void PragmaDebug(SourceLocation Loc, StringRef DebugType) override
Callback invoked when a #pragma clang __debug directive is read.
Definition: PPCallbacks.h:506
clang::PPCallbacks::PragmaDiagnosticPop
virtual void PragmaDiagnosticPop(SourceLocation Loc, StringRef Namespace)
Callback invoked when a #pragma gcc diagnostic pop directive is read.
Definition: PPCallbacks.h:239
clang::PPChainedCallbacks::moduleImport
void moduleImport(SourceLocation ImportLoc, ModuleIdPath Path, const Module *Imported) override
Callback invoked whenever there was an explicit module-import syntax.
Definition: PPCallbacks.h:467
clang::PPChainedCallbacks::PragmaMessage
void PragmaMessage(SourceLocation Loc, StringRef Namespace, PragmaMessageKind Kind, StringRef Str) override
Callback invoked when a #pragma message directive is read.
Definition: PPCallbacks.h:511
clang::IdentifierInfo
One of these records is kept for each identifier that is lexed.
Definition: IdentifierTable.h:67
clang::PPChainedCallbacks::PragmaExecCharsetPop
void PragmaExecCharsetPop(SourceLocation Loc) override
Callback invoked when a #pragma execution_character_set(pop) directive is read.
Definition: PPCallbacks.h:564
clang::PPCallbacks::HasInclude
virtual void HasInclude(SourceLocation Loc, StringRef FileName, bool IsAngled, Optional< FileEntryRef > File, SrcMgr::CharacteristicKind FileType)
Hook called when a '__has_include' or '__has_include_next' directive is read.
Definition: PPCallbacks.cpp:17
clang::PPChainedCallbacks::SourceRangeSkipped
void SourceRangeSkipped(SourceRange Range, SourceLocation EndifLoc) override
Hook called when a source range is skipped.
Definition: PPCallbacks.h:604
clang::ObjCPropertyAttribute::Kind
Kind
Definition: DeclObjCCommon.h:22
clang::PPChainedCallbacks::~PPChainedCallbacks
~PPChainedCallbacks() override
std
Definition: Format.h:3899
clang::PPCallbacks::Elifndef
virtual void Elifndef(SourceLocation Loc, SourceRange ConditionRange, SourceLocation IfLoc)
Hook called whenever an #elifndef is skipped.
Definition: PPCallbacks.h:394
clang::PPChainedCallbacks::PragmaDetectMismatch
void PragmaDetectMismatch(SourceLocation Loc, StringRef Name, StringRef Value) override
Callback invoked when a #pragma detect_mismatch directive is read.
Definition: PPCallbacks.h:500
clang
Definition: CalledOnceCheck.h:17
clang::PPCallbacks::PragmaOpenCLExtension
virtual void PragmaOpenCLExtension(SourceLocation NameLoc, const IdentifierInfo *Name, SourceLocation StateLoc, unsigned State)
Called when an OpenCL extension is either disabled or enabled with a pragma.
Definition: PPCallbacks.h:249
clang::PPChainedCallbacks::Defined
void Defined(const Token &MacroNameTok, const MacroDefinition &MD, SourceRange Range) override
Hook called whenever the 'defined' operator is seen.
Definition: PPCallbacks.h:598
clang::MacroDirective
Encapsulates changes to the "macros namespace" (the location where the macro name became active,...
Definition: MacroInfo.h:290
clang::PPCallbacks::PragmaMessageKind
PragmaMessageKind
Determines the kind of #pragma invoking a call to PragmaMessage.
Definition: PPCallbacks.h:211
clang::PPChainedCallbacks::Elifdef
void Elifdef(SourceLocation Loc, SourceRange ConditionRange, SourceLocation IfLoc) override
Hook called whenever an #elifdef is skipped.
Definition: PPCallbacks.h:637
clang::PPCallbacks::Ifdef
virtual void Ifdef(SourceLocation Loc, const Token &MacroNameTok, const MacroDefinition &MD)
Hook called whenever an #ifdef is seen.
Definition: PPCallbacks.h:354
clang::prec::Level
Level
Definition: OperatorPrecedence.h:26
clang::FileID
An opaque identifier used by SourceManager which refers to a source file (MemoryBuffer) along with it...
Definition: SourceLocation.h:40
clang::PPCallbacks::PragmaExecCharsetPop
virtual void PragmaExecCharsetPop(SourceLocation Loc)
Callback invoked when a #pragma execution_character_set(pop) directive is read.
Definition: PPCallbacks.h:273
clang::PPCallbacks::CVK_NotEvaluated
@ CVK_NotEvaluated
Definition: PPCallbacks.h:327
clang::PPCallbacks::MacroDefined
virtual void MacroDefined(const Token &MacroNameTok, const MacroDirective *MD)
Hook called whenever a macro definition is seen.
Definition: PPCallbacks.h:290
clang::PPChainedCallbacks::PragmaDiagnostic
void PragmaDiagnostic(SourceLocation Loc, StringRef Namespace, diag::Severity mapping, StringRef Str) override
Callback invoked when a #pragma gcc diagnostic directive is read.
Definition: PPCallbacks.h:527
clang::PPCallbacks::FileChanged
virtual void FileChanged(SourceLocation Loc, FileChangeReason Reason, SrcMgr::CharacteristicKind FileType, FileID PrevFID=FileID())
Callback invoked whenever a source file is entered or exited.
Definition: PPCallbacks.h:47
llvm::SmallVectorImpl< char >
clang::PPChainedCallbacks::Elifdef
void Elifdef(SourceLocation Loc, const Token &MacroNameTok, const MacroDefinition &MD) override
Hook called whenever an #elifdef is taken.
Definition: PPCallbacks.h:631
clang::PPCallbacks::PragmaWarningPush
virtual void PragmaWarningPush(SourceLocation Loc, int Level)
Callback invoked when a #pragma warning(push) directive is read.
Definition: PPCallbacks.h:260
clang::PPCallbacks::PragmaWarningPop
virtual void PragmaWarningPop(SourceLocation Loc)
Callback invoked when a #pragma warning(pop) directive is read.
Definition: PPCallbacks.h:264
clang::PPCallbacks::moduleImport
virtual void moduleImport(SourceLocation ImportLoc, ModuleIdPath Path, const Module *Imported)
Callback invoked whenever there was an explicit module-import syntax.
Definition: PPCallbacks.h:166
clang::PPCallbacks::PragmaDiagnostic
virtual void PragmaDiagnostic(SourceLocation Loc, StringRef Namespace, diag::Severity mapping, StringRef Str)
Callback invoked when a #pragma gcc diagnostic directive is read.
Definition: PPCallbacks.h:244
clang::PPChainedCallbacks::PragmaComment
void PragmaComment(SourceLocation Loc, const IdentifierInfo *Kind, StringRef Str) override
Callback invoked when a #pragma comment directive is read.
Definition: PPCallbacks.h:489