clang  14.0.0git
ASTWriter.h
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1 //===- ASTWriter.h - AST File Writer ----------------------------*- 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 // This file defines the ASTWriter class, which writes an AST file
10 // containing a serialized representation of a translation unit.
11 //
12 //===----------------------------------------------------------------------===//
13 
14 #ifndef LLVM_CLANG_SERIALIZATION_ASTWRITER_H
15 #define LLVM_CLANG_SERIALIZATION_ASTWRITER_H
16 
18 #include "clang/AST/Decl.h"
19 #include "clang/AST/Type.h"
20 #include "clang/Basic/LLVM.h"
22 #include "clang/Sema/Sema.h"
27 #include "llvm/ADT/ArrayRef.h"
28 #include "llvm/ADT/DenseMap.h"
29 #include "llvm/ADT/DenseSet.h"
30 #include "llvm/ADT/MapVector.h"
31 #include "llvm/ADT/STLExtras.h"
32 #include "llvm/ADT/SetVector.h"
33 #include "llvm/ADT/SmallVector.h"
34 #include "llvm/ADT/StringRef.h"
35 #include "llvm/Bitstream/BitstreamWriter.h"
36 #include <cassert>
37 #include <cstddef>
38 #include <cstdint>
39 #include <ctime>
40 #include <memory>
41 #include <queue>
42 #include <string>
43 #include <utility>
44 #include <vector>
45 
46 namespace clang {
47 
48 class ASTContext;
49 class ASTReader;
50 class Attr;
51 class CXXRecordDecl;
52 class FileEntry;
53 class FPOptionsOverride;
54 class FunctionDecl;
55 class HeaderSearch;
56 class HeaderSearchOptions;
57 class IdentifierResolver;
58 class LangOptions;
59 class MacroDefinitionRecord;
60 class MacroInfo;
61 class Module;
62 class InMemoryModuleCache;
63 class ModuleFileExtension;
64 class ModuleFileExtensionWriter;
65 class NamedDecl;
66 class ObjCInterfaceDecl;
67 class PreprocessingRecord;
68 class Preprocessor;
69 class RecordDecl;
70 class Sema;
71 class SourceManager;
72 class Stmt;
73 class StoredDeclsList;
74 class SwitchCase;
75 class Token;
76 
77 /// Writes an AST file containing the contents of a translation unit.
78 ///
79 /// The ASTWriter class produces a bitstream containing the serialized
80 /// representation of a given abstract syntax tree and its supporting
81 /// data structures. This bitstream can be de-serialized via an
82 /// instance of the ASTReader class.
84  public ASTMutationListener {
85 public:
86  friend class ASTDeclWriter;
87  friend class ASTRecordWriter;
88 
92 
93 private:
94  /// Map that provides the ID numbers of each type within the
95  /// output stream, plus those deserialized from a chained PCH.
96  ///
97  /// The ID numbers of types are consecutive (in order of discovery)
98  /// and start at 1. 0 is reserved for NULL. When types are actually
99  /// stored in the stream, the ID number is shifted by 2 bits to
100  /// allow for the const/volatile qualifiers.
101  ///
102  /// Keys in the map never have const/volatile qualifiers.
103  using TypeIdxMap = llvm::DenseMap<QualType, serialization::TypeIdx,
105 
106  /// The bitstream writer used to emit this precompiled header.
107  llvm::BitstreamWriter &Stream;
108 
109  /// The buffer associated with the bitstream.
110  const SmallVectorImpl<char> &Buffer;
111 
112  /// The PCM manager which manages memory buffers for pcm files.
113  InMemoryModuleCache &ModuleCache;
114 
115  /// The ASTContext we're writing.
116  ASTContext *Context = nullptr;
117 
118  /// The preprocessor we're writing.
119  Preprocessor *PP = nullptr;
120 
121  /// The reader of existing AST files, if we're chaining.
122  ASTReader *Chain = nullptr;
123 
124  /// The module we're currently writing, if any.
125  Module *WritingModule = nullptr;
126 
127  /// The offset of the first bit inside the AST_BLOCK.
128  uint64_t ASTBlockStartOffset = 0;
129 
130  /// The range representing all the AST_BLOCK.
131  std::pair<uint64_t, uint64_t> ASTBlockRange;
132 
133  /// The base directory for any relative paths we emit.
134  std::string BaseDirectory;
135 
136  /// Indicates whether timestamps should be written to the produced
137  /// module file. This is the case for files implicitly written to the
138  /// module cache, where we need the timestamps to determine if the module
139  /// file is up to date, but not otherwise.
140  bool IncludeTimestamps;
141 
142  /// Indicates when the AST writing is actively performing
143  /// serialization, rather than just queueing updates.
144  bool WritingAST = false;
145 
146  /// Indicates that we are done serializing the collection of decls
147  /// and types to emit.
148  bool DoneWritingDeclsAndTypes = false;
149 
150  /// Indicates that the AST contained compiler errors.
151  bool ASTHasCompilerErrors = false;
152 
153  /// Mapping from input file entries to the index into the
154  /// offset table where information about that input file is stored.
155  llvm::DenseMap<const FileEntry *, uint32_t> InputFileIDs;
156 
157  /// Stores a declaration or a type to be written to the AST file.
158  class DeclOrType {
159  public:
160  DeclOrType(Decl *D) : Stored(D), IsType(false) {}
161  DeclOrType(QualType T) : Stored(T.getAsOpaquePtr()), IsType(true) {}
162 
163  bool isType() const { return IsType; }
164  bool isDecl() const { return !IsType; }
165 
166  QualType getType() const {
167  assert(isType() && "Not a type!");
168  return QualType::getFromOpaquePtr(Stored);
169  }
170 
171  Decl *getDecl() const {
172  assert(isDecl() && "Not a decl!");
173  return static_cast<Decl *>(Stored);
174  }
175 
176  private:
177  void *Stored;
178  bool IsType;
179  };
180 
181  /// The declarations and types to emit.
182  std::queue<DeclOrType> DeclTypesToEmit;
183 
184  /// The first ID number we can use for our own declarations.
186 
187  /// The decl ID that will be assigned to the next new decl.
188  serialization::DeclID NextDeclID = FirstDeclID;
189 
190  /// Map that provides the ID numbers of each declaration within
191  /// the output stream, as well as those deserialized from a chained PCH.
192  ///
193  /// The ID numbers of declarations are consecutive (in order of
194  /// discovery) and start at 2. 1 is reserved for the translation
195  /// unit, while 0 is reserved for NULL.
196  llvm::DenseMap<const Decl *, serialization::DeclID> DeclIDs;
197 
198  /// Offset of each declaration in the bitstream, indexed by
199  /// the declaration's ID.
200  std::vector<serialization::DeclOffset> DeclOffsets;
201 
202  /// The offset of the DECLTYPES_BLOCK. The offsets in DeclOffsets
203  /// are relative to this value.
204  uint64_t DeclTypesBlockStartOffset = 0;
205 
206  /// Sorted (by file offset) vector of pairs of file offset/DeclID.
207  using LocDeclIDsTy =
209  struct DeclIDInFileInfo {
210  LocDeclIDsTy DeclIDs;
211 
212  /// Set when the DeclIDs vectors from all files are joined, this
213  /// indicates the index that this particular vector has in the global one.
214  unsigned FirstDeclIndex;
215  };
216  using FileDeclIDsTy =
217  llvm::DenseMap<FileID, std::unique_ptr<DeclIDInFileInfo>>;
218 
219  /// Map from file SLocEntries to info about the file-level declarations
220  /// that it contains.
221  FileDeclIDsTy FileDeclIDs;
222 
223  void associateDeclWithFile(const Decl *D, serialization::DeclID);
224 
225  /// The first ID number we can use for our own types.
227 
228  /// The type ID that will be assigned to the next new type.
229  serialization::TypeID NextTypeID = FirstTypeID;
230 
231  /// Map that provides the ID numbers of each type within the
232  /// output stream, plus those deserialized from a chained PCH.
233  ///
234  /// The ID numbers of types are consecutive (in order of discovery)
235  /// and start at 1. 0 is reserved for NULL. When types are actually
236  /// stored in the stream, the ID number is shifted by 2 bits to
237  /// allow for the const/volatile qualifiers.
238  ///
239  /// Keys in the map never have const/volatile qualifiers.
240  TypeIdxMap TypeIdxs;
241 
242  /// Offset of each type in the bitstream, indexed by
243  /// the type's ID.
244  std::vector<serialization::UnderalignedInt64> TypeOffsets;
245 
246  /// The first ID number we can use for our own identifiers.
248 
249  /// The identifier ID that will be assigned to the next new identifier.
250  serialization::IdentID NextIdentID = FirstIdentID;
251 
252  /// Map that provides the ID numbers of each identifier in
253  /// the output stream.
254  ///
255  /// The ID numbers for identifiers are consecutive (in order of
256  /// discovery), starting at 1. An ID of zero refers to a NULL
257  /// IdentifierInfo.
258  llvm::MapVector<const IdentifierInfo *, serialization::IdentID> IdentifierIDs;
259 
260  /// The first ID number we can use for our own macros.
262 
263  /// The identifier ID that will be assigned to the next new identifier.
264  serialization::MacroID NextMacroID = FirstMacroID;
265 
266  /// Map that provides the ID numbers of each macro.
267  llvm::DenseMap<MacroInfo *, serialization::MacroID> MacroIDs;
268 
269  struct MacroInfoToEmitData {
270  const IdentifierInfo *Name;
271  MacroInfo *MI;
273  };
274 
275  /// The macro infos to emit.
276  std::vector<MacroInfoToEmitData> MacroInfosToEmit;
277 
278  llvm::DenseMap<const IdentifierInfo *, uint32_t>
279  IdentMacroDirectivesOffsetMap;
280 
281  /// @name FlushStmt Caches
282  /// @{
283 
284  /// Set of parent Stmts for the currently serializing sub-stmt.
285  llvm::DenseSet<Stmt *> ParentStmts;
286 
287  /// Offsets of sub-stmts already serialized. The offset points
288  /// just after the stmt record.
289  llvm::DenseMap<Stmt *, uint64_t> SubStmtEntries;
290 
291  /// @}
292 
293  /// Offsets of each of the identifier IDs into the identifier
294  /// table.
295  std::vector<uint32_t> IdentifierOffsets;
296 
297  /// The first ID number we can use for our own submodules.
298  serialization::SubmoduleID FirstSubmoduleID =
300 
301  /// The submodule ID that will be assigned to the next new submodule.
302  serialization::SubmoduleID NextSubmoduleID = FirstSubmoduleID;
303 
304  /// The first ID number we can use for our own selectors.
305  serialization::SelectorID FirstSelectorID =
307 
308  /// The selector ID that will be assigned to the next new selector.
309  serialization::SelectorID NextSelectorID = FirstSelectorID;
310 
311  /// Map that provides the ID numbers of each Selector.
312  llvm::MapVector<Selector, serialization::SelectorID> SelectorIDs;
313 
314  /// Offset of each selector within the method pool/selector
315  /// table, indexed by the Selector ID (-1).
316  std::vector<uint32_t> SelectorOffsets;
317 
318  /// Mapping from macro definitions (as they occur in the preprocessing
319  /// record) to the macro IDs.
320  llvm::DenseMap<const MacroDefinitionRecord *,
321  serialization::PreprocessedEntityID> MacroDefinitions;
322 
323  /// Cache of indices of anonymous declarations within their lexical
324  /// contexts.
325  llvm::DenseMap<const Decl *, unsigned> AnonymousDeclarationNumbers;
326 
327  /// An update to a Decl.
328  class DeclUpdate {
329  /// A DeclUpdateKind.
330  unsigned Kind;
331  union {
332  const Decl *Dcl;
333  void *Type;
335  unsigned Val;
336  Module *Mod;
337  const Attr *Attribute;
338  };
339 
340  public:
341  DeclUpdate(unsigned Kind) : Kind(Kind), Dcl(nullptr) {}
342  DeclUpdate(unsigned Kind, const Decl *Dcl) : Kind(Kind), Dcl(Dcl) {}
343  DeclUpdate(unsigned Kind, QualType Type)
344  : Kind(Kind), Type(Type.getAsOpaquePtr()) {}
345  DeclUpdate(unsigned Kind, SourceLocation Loc)
346  : Kind(Kind), Loc(Loc.getRawEncoding()) {}
347  DeclUpdate(unsigned Kind, unsigned Val) : Kind(Kind), Val(Val) {}
348  DeclUpdate(unsigned Kind, Module *M) : Kind(Kind), Mod(M) {}
349  DeclUpdate(unsigned Kind, const Attr *Attribute)
350  : Kind(Kind), Attribute(Attribute) {}
351 
352  unsigned getKind() const { return Kind; }
353  const Decl *getDecl() const { return Dcl; }
354  QualType getType() const { return QualType::getFromOpaquePtr(Type); }
355 
356  SourceLocation getLoc() const {
358  }
359 
360  unsigned getNumber() const { return Val; }
361  Module *getModule() const { return Mod; }
362  const Attr *getAttr() const { return Attribute; }
363  };
364 
365  using UpdateRecord = SmallVector<DeclUpdate, 1>;
366  using DeclUpdateMap = llvm::MapVector<const Decl *, UpdateRecord>;
367 
368  /// Mapping from declarations that came from a chained PCH to the
369  /// record containing modifications to them.
370  DeclUpdateMap DeclUpdates;
371 
372  using FirstLatestDeclMap = llvm::DenseMap<Decl *, Decl *>;
373 
374  /// Map of first declarations from a chained PCH that point to the
375  /// most recent declarations in another PCH.
376  FirstLatestDeclMap FirstLatestDecls;
377 
378  /// Declarations encountered that might be external
379  /// definitions.
380  ///
381  /// We keep track of external definitions and other 'interesting' declarations
382  /// as we are emitting declarations to the AST file. The AST file contains a
383  /// separate record for these declarations, which are provided to the AST
384  /// consumer by the AST reader. This is behavior is required to properly cope with,
385  /// e.g., tentative variable definitions that occur within
386  /// headers. The declarations themselves are stored as declaration
387  /// IDs, since they will be written out to an EAGERLY_DESERIALIZED_DECLS
388  /// record.
389  SmallVector<serialization::DeclID, 16> EagerlyDeserializedDecls;
390  SmallVector<serialization::DeclID, 16> ModularCodegenDecls;
391 
392  /// DeclContexts that have received extensions since their serialized
393  /// form.
394  ///
395  /// For namespaces, when we're chaining and encountering a namespace, we check
396  /// if its primary namespace comes from the chain. If it does, we add the
397  /// primary to this set, so that we can write out lexical content updates for
398  /// it.
400 
401  /// Keeps track of declarations that we must emit, even though we're
402  /// not guaranteed to be able to find them by walking the AST starting at the
403  /// translation unit.
404  SmallVector<const Decl *, 16> DeclsToEmitEvenIfUnreferenced;
405 
406  /// The set of Objective-C class that have categories we
407  /// should serialize.
408  llvm::SetVector<ObjCInterfaceDecl *> ObjCClassesWithCategories;
409 
410  /// The set of declarations that may have redeclaration chains that
411  /// need to be serialized.
413 
414  /// A cache of the first local declaration for "interesting"
415  /// redeclaration chains.
416  llvm::DenseMap<const Decl *, const Decl *> FirstLocalDeclCache;
417 
418  /// Mapping from SwitchCase statements to IDs.
419  llvm::DenseMap<SwitchCase *, unsigned> SwitchCaseIDs;
420 
421  /// The number of statements written to the AST file.
422  unsigned NumStatements = 0;
423 
424  /// The number of macros written to the AST file.
425  unsigned NumMacros = 0;
426 
427  /// The number of lexical declcontexts written to the AST
428  /// file.
429  unsigned NumLexicalDeclContexts = 0;
430 
431  /// The number of visible declcontexts written to the AST
432  /// file.
433  unsigned NumVisibleDeclContexts = 0;
434 
435  /// A mapping from each known submodule to its ID number, which will
436  /// be a positive integer.
437  llvm::DenseMap<const Module *, unsigned> SubmoduleIDs;
438 
439  /// A list of the module file extension writers.
440  std::vector<std::unique_ptr<ModuleFileExtensionWriter>>
441  ModuleFileExtensionWriters;
442 
443  /// User ModuleMaps skipped when writing control block.
444  std::set<const FileEntry *> SkippedModuleMaps;
445 
446  /// Retrieve or create a submodule ID for this module.
447  unsigned getSubmoduleID(Module *Mod);
448 
449  /// Write the given subexpression to the bitstream.
450  void WriteSubStmt(Stmt *S);
451 
452  void WriteBlockInfoBlock();
453  void WriteControlBlock(Preprocessor &PP, ASTContext &Context,
454  StringRef isysroot, const std::string &OutputFile);
455 
456  /// Write out the signature and diagnostic options, and return the signature.
457  ASTFileSignature writeUnhashedControlBlock(Preprocessor &PP,
458  ASTContext &Context);
459 
460  /// Calculate hash of the pcm content.
461  static std::pair<ASTFileSignature, ASTFileSignature>
462  createSignature(StringRef AllBytes, StringRef ASTBlockBytes);
463 
464  void WriteInputFiles(SourceManager &SourceMgr, HeaderSearchOptions &HSOpts,
465  std::set<const FileEntry *> &AffectingModuleMaps);
466  void WriteSourceManagerBlock(SourceManager &SourceMgr,
467  const Preprocessor &PP);
468  void WritePreprocessor(const Preprocessor &PP, bool IsModule);
469  void WriteHeaderSearch(const HeaderSearch &HS);
470  void WritePreprocessorDetail(PreprocessingRecord &PPRec,
471  uint64_t MacroOffsetsBase);
472  void WriteSubmodules(Module *WritingModule);
473 
474  void WritePragmaDiagnosticMappings(const DiagnosticsEngine &Diag,
475  bool isModule);
476 
477  unsigned TypeExtQualAbbrev = 0;
478  unsigned TypeFunctionProtoAbbrev = 0;
479  void WriteTypeAbbrevs();
480  void WriteType(QualType T);
481 
482  bool isLookupResultExternal(StoredDeclsList &Result, DeclContext *DC);
483  bool isLookupResultEntirelyExternal(StoredDeclsList &Result, DeclContext *DC);
484 
485  void GenerateNameLookupTable(const DeclContext *DC,
486  llvm::SmallVectorImpl<char> &LookupTable);
487  uint64_t WriteDeclContextLexicalBlock(ASTContext &Context, DeclContext *DC);
488  uint64_t WriteDeclContextVisibleBlock(ASTContext &Context, DeclContext *DC);
489  void WriteTypeDeclOffsets();
490  void WriteFileDeclIDsMap();
491  void WriteComments();
492  void WriteSelectors(Sema &SemaRef);
493  void WriteReferencedSelectorsPool(Sema &SemaRef);
494  void WriteIdentifierTable(Preprocessor &PP, IdentifierResolver &IdResolver,
495  bool IsModule);
496  void WriteDeclUpdatesBlocks(RecordDataImpl &OffsetsRecord);
497  void WriteDeclContextVisibleUpdate(const DeclContext *DC);
498  void WriteFPPragmaOptions(const FPOptionsOverride &Opts);
499  void WriteOpenCLExtensions(Sema &SemaRef);
500  void WriteCUDAPragmas(Sema &SemaRef);
501  void WriteObjCCategories();
502  void WriteLateParsedTemplates(Sema &SemaRef);
503  void WriteOptimizePragmaOptions(Sema &SemaRef);
504  void WriteMSStructPragmaOptions(Sema &SemaRef);
505  void WriteMSPointersToMembersPragmaOptions(Sema &SemaRef);
506  void WritePackPragmaOptions(Sema &SemaRef);
507  void WriteFloatControlPragmaOptions(Sema &SemaRef);
508  void WriteModuleFileExtension(Sema &SemaRef,
509  ModuleFileExtensionWriter &Writer);
510 
511  unsigned DeclParmVarAbbrev = 0;
512  unsigned DeclContextLexicalAbbrev = 0;
513  unsigned DeclContextVisibleLookupAbbrev = 0;
514  unsigned UpdateVisibleAbbrev = 0;
515  unsigned DeclRecordAbbrev = 0;
516  unsigned DeclTypedefAbbrev = 0;
517  unsigned DeclVarAbbrev = 0;
518  unsigned DeclFieldAbbrev = 0;
519  unsigned DeclEnumAbbrev = 0;
520  unsigned DeclObjCIvarAbbrev = 0;
521  unsigned DeclCXXMethodAbbrev = 0;
522 
523  unsigned DeclRefExprAbbrev = 0;
524  unsigned CharacterLiteralAbbrev = 0;
525  unsigned IntegerLiteralAbbrev = 0;
526  unsigned ExprImplicitCastAbbrev = 0;
527 
528  void WriteDeclAbbrevs();
529  void WriteDecl(ASTContext &Context, Decl *D);
530 
531  ASTFileSignature WriteASTCore(Sema &SemaRef, StringRef isysroot,
532  const std::string &OutputFile,
533  Module *WritingModule);
534 
535 public:
536  /// Create a new precompiled header writer that outputs to
537  /// the given bitstream.
538  ASTWriter(llvm::BitstreamWriter &Stream, SmallVectorImpl<char> &Buffer,
539  InMemoryModuleCache &ModuleCache,
540  ArrayRef<std::shared_ptr<ModuleFileExtension>> Extensions,
541  bool IncludeTimestamps = true);
542  ~ASTWriter() override;
543 
545  assert(Context && "requested AST context when not writing AST");
546  return *Context;
547  }
548 
549  const LangOptions &getLangOpts() const;
550 
551  /// Get a timestamp for output into the AST file. The actual timestamp
552  /// of the specified file may be ignored if we have been instructed to not
553  /// include timestamps in the output file.
554  time_t getTimestampForOutput(const FileEntry *E) const;
555 
556  /// Write a precompiled header for the given semantic analysis.
557  ///
558  /// \param SemaRef a reference to the semantic analysis object that processed
559  /// the AST to be written into the precompiled header.
560  ///
561  /// \param WritingModule The module that we are writing. If null, we are
562  /// writing a precompiled header.
563  ///
564  /// \param isysroot if non-empty, write a relocatable file whose headers
565  /// are relative to the given system root. If we're writing a module, its
566  /// build directory will be used in preference to this if both are available.
567  ///
568  /// \return the module signature, which eventually will be a hash of
569  /// the module but currently is merely a random 32-bit number.
570  ASTFileSignature WriteAST(Sema &SemaRef, const std::string &OutputFile,
571  Module *WritingModule, StringRef isysroot,
572  bool hasErrors = false,
573  bool ShouldCacheASTInMemory = false);
574 
575  /// Emit a token.
576  void AddToken(const Token &Tok, RecordDataImpl &Record);
577 
578  /// Emit a AlignPackInfo.
579  void AddAlignPackInfo(const Sema::AlignPackInfo &Info,
580  RecordDataImpl &Record);
581 
582  /// Emit a source location.
584 
585  /// Emit a source range.
586  void AddSourceRange(SourceRange Range, RecordDataImpl &Record);
587 
588  /// Emit a reference to an identifier.
589  void AddIdentifierRef(const IdentifierInfo *II, RecordDataImpl &Record);
590 
591  /// Get the unique number used to refer to the given selector.
593 
594  /// Get the unique number used to refer to the given identifier.
596 
597  /// Get the unique number used to refer to the given macro.
599 
600  /// Determine the ID of an already-emitted macro.
602 
603  uint32_t getMacroDirectivesOffset(const IdentifierInfo *Name);
604 
605  /// Emit a reference to a type.
606  void AddTypeRef(QualType T, RecordDataImpl &Record);
607 
608  /// Force a type to be emitted and get its ID.
610 
611  /// Determine the type ID of an already-emitted type.
613 
614  /// Find the first local declaration of a given local redeclarable
615  /// decl.
616  const Decl *getFirstLocalDecl(const Decl *D);
617 
618  /// Is this a local declaration (that is, one that will be written to
619  /// our AST file)? This is the case for declarations that are neither imported
620  /// from another AST file nor predefined.
621  bool IsLocalDecl(const Decl *D) {
622  if (D->isFromASTFile())
623  return false;
624  auto I = DeclIDs.find(D);
625  return (I == DeclIDs.end() ||
627  };
628 
629  /// Emit a reference to a declaration.
630  void AddDeclRef(const Decl *D, RecordDataImpl &Record);
631 
632  /// Force a declaration to be emitted and get its ID.
634 
635  /// Determine the declaration ID of an already-emitted
636  /// declaration.
638 
639  unsigned getAnonymousDeclarationNumber(const NamedDecl *D);
640 
641  /// Add a string to the given record.
642  void AddString(StringRef Str, RecordDataImpl &Record);
643 
644  /// Convert a path from this build process into one that is appropriate
645  /// for emission in the module file.
647 
648  /// Add a path to the given record.
649  void AddPath(StringRef Path, RecordDataImpl &Record);
650 
651  /// Emit the current record with the given path as a blob.
652  void EmitRecordWithPath(unsigned Abbrev, RecordDataRef Record,
653  StringRef Path);
654 
655  /// Add a version tuple to the given record
656  void AddVersionTuple(const VersionTuple &Version, RecordDataImpl &Record);
657 
658  /// Retrieve or create a submodule ID for this module, or return 0 if
659  /// the submodule is neither local (a submodle of the currently-written module)
660  /// nor from an imported module.
661  unsigned getLocalOrImportedSubmoduleID(const Module *Mod);
662 
663  /// Note that the identifier II occurs at the given offset
664  /// within the identifier table.
665  void SetIdentifierOffset(const IdentifierInfo *II, uint32_t Offset);
666 
667  /// Note that the selector Sel occurs at the given offset
668  /// within the method pool/selector table.
669  void SetSelectorOffset(Selector Sel, uint32_t Offset);
670 
671  /// Record an ID for the given switch-case statement.
672  unsigned RecordSwitchCaseID(SwitchCase *S);
673 
674  /// Retrieve the ID for the given switch-case statement.
675  unsigned getSwitchCaseID(SwitchCase *S);
676 
677  void ClearSwitchCaseIDs();
678 
679  unsigned getTypeExtQualAbbrev() const {
680  return TypeExtQualAbbrev;
681  }
682 
683  unsigned getTypeFunctionProtoAbbrev() const {
684  return TypeFunctionProtoAbbrev;
685  }
686 
687  unsigned getDeclParmVarAbbrev() const { return DeclParmVarAbbrev; }
688  unsigned getDeclRecordAbbrev() const { return DeclRecordAbbrev; }
689  unsigned getDeclTypedefAbbrev() const { return DeclTypedefAbbrev; }
690  unsigned getDeclVarAbbrev() const { return DeclVarAbbrev; }
691  unsigned getDeclFieldAbbrev() const { return DeclFieldAbbrev; }
692  unsigned getDeclEnumAbbrev() const { return DeclEnumAbbrev; }
693  unsigned getDeclObjCIvarAbbrev() const { return DeclObjCIvarAbbrev; }
694  unsigned getDeclCXXMethodAbbrev() const { return DeclCXXMethodAbbrev; }
695 
696  unsigned getDeclRefExprAbbrev() const { return DeclRefExprAbbrev; }
697  unsigned getCharacterLiteralAbbrev() const { return CharacterLiteralAbbrev; }
698  unsigned getIntegerLiteralAbbrev() const { return IntegerLiteralAbbrev; }
699  unsigned getExprImplicitCastAbbrev() const { return ExprImplicitCastAbbrev; }
700 
701  bool hasChain() const { return Chain; }
702  ASTReader *getChain() const { return Chain; }
703 
704 private:
705  // ASTDeserializationListener implementation
706  void ReaderInitialized(ASTReader *Reader) override;
707  void IdentifierRead(serialization::IdentID ID, IdentifierInfo *II) override;
708  void MacroRead(serialization::MacroID ID, MacroInfo *MI) override;
709  void TypeRead(serialization::TypeIdx Idx, QualType T) override;
710  void SelectorRead(serialization::SelectorID ID, Selector Sel) override;
711  void MacroDefinitionRead(serialization::PreprocessedEntityID ID,
712  MacroDefinitionRecord *MD) override;
713  void ModuleRead(serialization::SubmoduleID ID, Module *Mod) override;
714 
715  // ASTMutationListener implementation.
716  void CompletedTagDefinition(const TagDecl *D) override;
717  void AddedVisibleDecl(const DeclContext *DC, const Decl *D) override;
718  void AddedCXXImplicitMember(const CXXRecordDecl *RD, const Decl *D) override;
719  void AddedCXXTemplateSpecialization(
720  const ClassTemplateDecl *TD,
721  const ClassTemplateSpecializationDecl *D) override;
722  void AddedCXXTemplateSpecialization(
723  const VarTemplateDecl *TD,
724  const VarTemplateSpecializationDecl *D) override;
725  void AddedCXXTemplateSpecialization(const FunctionTemplateDecl *TD,
726  const FunctionDecl *D) override;
727  void ResolvedExceptionSpec(const FunctionDecl *FD) override;
728  void DeducedReturnType(const FunctionDecl *FD, QualType ReturnType) override;
729  void ResolvedOperatorDelete(const CXXDestructorDecl *DD,
730  const FunctionDecl *Delete,
731  Expr *ThisArg) override;
732  void CompletedImplicitDefinition(const FunctionDecl *D) override;
733  void InstantiationRequested(const ValueDecl *D) override;
734  void VariableDefinitionInstantiated(const VarDecl *D) override;
735  void FunctionDefinitionInstantiated(const FunctionDecl *D) override;
736  void DefaultArgumentInstantiated(const ParmVarDecl *D) override;
737  void DefaultMemberInitializerInstantiated(const FieldDecl *D) override;
738  void AddedObjCCategoryToInterface(const ObjCCategoryDecl *CatD,
739  const ObjCInterfaceDecl *IFD) override;
740  void DeclarationMarkedUsed(const Decl *D) override;
741  void DeclarationMarkedOpenMPThreadPrivate(const Decl *D) override;
742  void DeclarationMarkedOpenMPDeclareTarget(const Decl *D,
743  const Attr *Attr) override;
744  void DeclarationMarkedOpenMPAllocate(const Decl *D, const Attr *A) override;
745  void RedefinedHiddenDefinition(const NamedDecl *D, Module *M) override;
746  void AddedAttributeToRecord(const Attr *Attr,
747  const RecordDecl *Record) override;
748 };
749 
750 /// AST and semantic-analysis consumer that generates a
751 /// precompiled header from the parsed source code.
752 class PCHGenerator : public SemaConsumer {
753  const Preprocessor &PP;
754  std::string OutputFile;
755  std::string isysroot;
756  Sema *SemaPtr;
757  std::shared_ptr<PCHBuffer> Buffer;
758  llvm::BitstreamWriter Stream;
759  ASTWriter Writer;
760  bool AllowASTWithErrors;
761  bool ShouldCacheASTInMemory;
762 
763 protected:
764  ASTWriter &getWriter() { return Writer; }
765  const ASTWriter &getWriter() const { return Writer; }
766  SmallVectorImpl<char> &getPCH() const { return Buffer->Data; }
767 
768 public:
769  PCHGenerator(const Preprocessor &PP, InMemoryModuleCache &ModuleCache,
770  StringRef OutputFile, StringRef isysroot,
771  std::shared_ptr<PCHBuffer> Buffer,
772  ArrayRef<std::shared_ptr<ModuleFileExtension>> Extensions,
773  bool AllowASTWithErrors = false, bool IncludeTimestamps = true,
774  bool ShouldCacheASTInMemory = false);
775  ~PCHGenerator() override;
776 
777  void InitializeSema(Sema &S) override { SemaPtr = &S; }
778  void HandleTranslationUnit(ASTContext &Ctx) override;
781  bool hasEmittedPCH() const { return Buffer->IsComplete; }
782 };
783 
784 } // namespace clang
785 
786 #endif // LLVM_CLANG_SERIALIZATION_ASTWRITER_H
clang::ASTWriter::getCharacterLiteralAbbrev
unsigned getCharacterLiteralAbbrev() const
Definition: ASTWriter.h:697
clang::ObjCInterfaceDecl
Represents an ObjC class declaration.
Definition: DeclObjC.h:1150
clang::ASTWriter::getDeclRefExprAbbrev
unsigned getDeclRefExprAbbrev() const
Definition: ASTWriter.h:696
clang::serialization::TypeIdx
A type index; the type ID with the qualifier bits removed.
Definition: ASTBitCodes.h:88
clang::serialization::NUM_PREDEF_SELECTOR_IDS
const unsigned int NUM_PREDEF_SELECTOR_IDS
The number of predefined selector IDs.
Definition: ASTBitCodes.h:156
clang::SourceRange
A trivial tuple used to represent a source range.
Definition: SourceLocation.h:210
string
string(SUBSTRING ${CMAKE_CURRENT_BINARY_DIR} 0 ${PATH_LIB_START} PATH_HEAD) string(SUBSTRING $
Definition: CMakeLists.txt:22
clang::DeclContext
DeclContext - This is used only as base class of specific decl types that can act as declaration cont...
Definition: DeclBase.h:1341
clang::PCHGenerator::InitializeSema
void InitializeSema(Sema &S) override
Initialize the semantic consumer with the Sema instance being used to perform semantic analysis on th...
Definition: ASTWriter.h:777
clang::ASTWriter::getSwitchCaseID
unsigned getSwitchCaseID(SwitchCase *S)
Retrieve the ID for the given switch-case statement.
Definition: ASTWriterStmt.cpp:2610
Diag
static DiagnosticBuilder Diag(DiagnosticsEngine *Diags, const LangOptions &Features, FullSourceLoc TokLoc, const char *TokBegin, const char *TokRangeBegin, const char *TokRangeEnd, unsigned DiagID)
Produce a diagnostic highlighting some portion of a literal.
Definition: LiteralSupport.cpp:78
llvm::SmallVector< uint64_t, 64 >
clang::SourceLocation
Encodes a location in the source.
Definition: SourceLocation.h:86
clang::NamedDecl
This represents a decl that may have a name.
Definition: Decl.h:247
clang::serialization::IdentID
uint32_t IdentID
An ID number that refers to an identifier in an AST file.
Definition: ASTBitCodes.h:134
clang::ASTWriter::getFirstLocalDecl
const Decl * getFirstLocalDecl(const Decl *D)
Find the first local declaration of a given local redeclarable decl.
Definition: ASTWriterDecl.cpp:1781
clang::QualType
A (possibly-)qualified type.
Definition: Type.h:674
clang::FieldDecl
Represents a member of a struct/union/class.
Definition: Decl.h:2838
clang::ParmVarDecl
Represents a parameter to a function.
Definition: Decl.h:1663
clang::ASTWriter::PreparePathForOutput
bool PreparePathForOutput(SmallVectorImpl< char > &Path)
Convert a path from this build process into one that is appropriate for emission in the module file.
Definition: ASTWriter.cpp:4313
clang::MacroInfo
Encapsulates the data about a macro definition (e.g.
Definition: MacroInfo.h:39
ASTDeserializationListener.h
clang::ASTWriter::getMacroRef
serialization::MacroID getMacroRef(MacroInfo *MI, const IdentifierInfo *Name)
Get the unique number used to refer to the given macro.
Definition: ASTWriter.cpp:5178
clang::VarTemplateSpecializationDecl
Represents a variable template specialization, which refers to a variable template with a given set o...
Definition: DeclTemplate.h:2664
clang::Token
Token - This structure provides full information about a lexed token.
Definition: Token.h:34
clang::ASTWriter::IsLocalDecl
bool IsLocalDecl(const Decl *D)
Is this a local declaration (that is, one that will be written to our AST file)? This is the case for...
Definition: ASTWriter.h:621
clang::serialization::MacroID
uint32_t MacroID
An ID number that refers to a macro in an AST file.
Definition: ASTBitCodes.h:140
Decl.h
Offset
unsigned Offset
Definition: Format.cpp:2431
clang::PCHGenerator::getWriter
const ASTWriter & getWriter() const
Definition: ASTWriter.h:765
clang::CodeGen::AlignmentSource::Decl
@ Decl
The l-value was an access to a declared entity or something equivalently strong, like the address of ...
clang::ASTWriter::AddIdentifierRef
void AddIdentifierRef(const IdentifierInfo *II, RecordDataImpl &Record)
Emit a reference to an identifier.
Definition: ASTWriter.cpp:5164
clang::ASTWriter::getDeclVarAbbrev
unsigned getDeclVarAbbrev() const
Definition: ASTWriter.h:690
clang::FunctionTemplateDecl
Declaration of a template function.
Definition: DeclTemplate.h:979
clang::ASTWriter::getTypeFunctionProtoAbbrev
unsigned getTypeFunctionProtoAbbrev() const
Definition: ASTWriter.h:683
clang::serialization::SubmoduleID
uint32_t SubmoduleID
An ID number that refers to a submodule in a module file.
Definition: ASTBitCodes.h:171
clang::SemaConsumer
An abstract interface that should be implemented by clients that read ASTs and then require further s...
Definition: SemaConsumer.h:25
clang::PCHGenerator::PCHGenerator
PCHGenerator(const Preprocessor &PP, InMemoryModuleCache &ModuleCache, StringRef OutputFile, StringRef isysroot, std::shared_ptr< PCHBuffer > Buffer, ArrayRef< std::shared_ptr< ModuleFileExtension >> Extensions, bool AllowASTWithErrors=false, bool IncludeTimestamps=true, bool ShouldCacheASTInMemory=false)
Definition: GeneratePCH.cpp:23
clang::Module
Describes a module or submodule.
Definition: Module.h:96
clang::serialization::NUM_PREDEF_DECL_IDS
const unsigned int NUM_PREDEF_DECL_IDS
The number of declaration IDs that are predefined.
Definition: ASTBitCodes.h:1213
clang::ASTWriter::getTypeID
serialization::TypeID getTypeID(QualType T) const
Determine the type ID of an already-emitted type.
Definition: ASTWriter.cpp:5317
clang::ASTWriter::EmitRecordWithPath
void EmitRecordWithPath(unsigned Abbrev, RecordDataRef Record, StringRef Path)
Emit the current record with the given path as a blob.
Definition: ASTWriter.cpp:4337
clang::serialization::UnsafeQualTypeDenseMapInfo
A structure for putting "fast"-unqualified QualTypes into a DenseMap.
Definition: ASTBitCodes.h:114
clang::ASTWriter::AddVersionTuple
void AddVersionTuple(const VersionTuple &Version, RecordDataImpl &Record)
Add a version tuple to the given record.
Definition: ASTWriter.cpp:4344
clang::ASTWriter::AddDeclRef
void AddDeclRef(const Decl *D, RecordDataImpl &Record)
Emit a reference to a declaration.
Definition: ASTWriter.cpp:5330
clang::ASTWriter::GetOrCreateTypeID
serialization::TypeID GetOrCreateTypeID(QualType T)
Force a type to be emitted and get its ID.
Definition: ASTWriter.cpp:5294
clang::index::SymbolKind::Module
@ Module
clang::ASTContext
Holds long-lived AST nodes (such as types and decls) that can be referred to throughout the semantic ...
Definition: ASTContext.h:209
clang::ASTWriter::getExprImplicitCastAbbrev
unsigned getExprImplicitCastAbbrev() const
Definition: ASTWriter.h:699
clang::ASTWriter::ASTWriter
ASTWriter(llvm::BitstreamWriter &Stream, SmallVectorImpl< char > &Buffer, InMemoryModuleCache &ModuleCache, ArrayRef< std::shared_ptr< ModuleFileExtension >> Extensions, bool IncludeTimestamps=true)
Create a new precompiled header writer that outputs to the given bitstream.
Definition: ASTWriter.cpp:4379
clang::Sema::AlignPackInfo
Definition: Sema.h:488
clang::ASTMutationListener
An abstract interface that should be implemented by listeners that want to be notified when an AST en...
Definition: ASTMutationListener.h:46
clang::PCHGenerator::getWriter
ASTWriter & getWriter()
Definition: ASTWriter.h:764
clang::serialization::NUM_PREDEF_TYPE_IDS
const unsigned NUM_PREDEF_TYPE_IDS
The number of predefined type IDs that are reserved for the PREDEF_TYPE_* constants.
Definition: ASTBitCodes.h:1096
clang::serialization::NUM_PREDEF_SUBMODULE_IDS
const unsigned int NUM_PREDEF_SUBMODULE_IDS
The number of predefined submodule IDs.
Definition: ASTBitCodes.h:174
clang::CXXDestructorDecl
Represents a C++ destructor within a class.
Definition: DeclCXX.h:2667
clang::MacroDefinitionRecord
Record the location of a macro definition.
Definition: PreprocessingRecord.h:148
clang::PCHGenerator::~PCHGenerator
~PCHGenerator() override
Definition: GeneratePCH.cpp:38
Type.h
clang::ASTWriter::ClearSwitchCaseIDs
void ClearSwitchCaseIDs()
Definition: ASTWriterStmt.cpp:2616
clang::VarDecl
Represents a variable declaration or definition.
Definition: Decl.h:874
clang::TagDecl
Represents the declaration of a struct/union/class/enum.
Definition: Decl.h:3331
clang::ASTWriter::RecordSwitchCaseID
unsigned RecordSwitchCaseID(SwitchCase *S)
Record an ID for the given switch-case statement.
Definition: ASTWriterStmt.cpp:2602
clang::serialization::TypeID
uint32_t TypeID
An ID number that refers to a type in an AST file.
Definition: ASTBitCodes.h:85
clang::serialization::NUM_PREDEF_IDENT_IDS
const unsigned int NUM_PREDEF_IDENT_IDS
The number of predefined identifier IDs.
Definition: ASTBitCodes.h:137
llvm::DenseSet
Definition: Sema.h:77
clang::SwitchCase
Definition: Stmt.h:1527
clang::ASTFileSignature
The signature of a module, which is a hash of the AST content.
Definition: Module.h:56
clang::ASTWriter::getAnonymousDeclarationNumber
unsigned getAnonymousDeclarationNumber(const NamedDecl *D)
Definition: ASTWriter.cpp:5422
clang::ASTWriter
Writes an AST file containing the contents of a translation unit.
Definition: ASTWriter.h:83
clang::ASTWriter::getDeclParmVarAbbrev
unsigned getDeclParmVarAbbrev() const
Definition: ASTWriter.h:687
getKind
static Decl::Kind getKind(const Decl *D)
Definition: DeclBase.cpp:998
Sema.h
clang::FileEntry
Cached information about one file (either on disk or in the virtual file system).
Definition: FileEntry.h:331
clang::serialization::PreprocessedEntityID
uint32_t PreprocessedEntityID
An ID number that refers to an entity in the detailed preprocessing record.
Definition: ASTBitCodes.h:168
clang::ASTWriter::getTypeExtQualAbbrev
unsigned getTypeExtQualAbbrev() const
Definition: ASTWriter.h:679
clang::ObjCCategoryDecl
ObjCCategoryDecl - Represents a category declaration.
Definition: DeclObjC.h:2273
clang::ASTWriter::~ASTWriter
~ASTWriter() override
clang::ASTWriter::getASTContext
ASTContext & getASTContext() const
Definition: ASTWriter.h:544
clang::diff::Delete
@ Delete
Definition: ASTDiff.h:29
ASTBitCodes.h
clang::CXXRecordDecl
Represents a C++ struct/union/class.
Definition: DeclCXX.h:254
SourceLocation.h
clang::Decl::isFromASTFile
bool isFromASTFile() const
Determine whether this declaration came from an AST file (such as a precompiled header or module) rat...
Definition: DeclBase.h:710
clang::ASTWriter::getIntegerLiteralAbbrev
unsigned getIntegerLiteralAbbrev() const
Definition: ASTWriter.h:698
clang::ASTDeserializationListener
Definition: ASTDeserializationListener.h:30
clang::ClassTemplateDecl
Declaration of a class template.
Definition: DeclTemplate.h:2247
clang::ValueDecl
Represent the declaration of a variable (in which case it is an lvalue) a function (in which case it ...
Definition: Decl.h:674
clang::ASTWriter::RecordDataImpl
SmallVectorImpl< uint64_t > RecordDataImpl
Definition: ASTWriter.h:90
clang::ASTWriter::getDeclID
serialization::DeclID getDeclID(const Decl *D)
Determine the declaration ID of an already-emitted declaration.
Definition: ASTWriter.cpp:5363
clang::ASTWriter::AddAlignPackInfo
void AddAlignPackInfo(const Sema::AlignPackInfo &Info, RecordDataImpl &Record)
Emit a AlignPackInfo.
Definition: ASTWriter.cpp:5144
clang::PCHGenerator::getPCH
SmallVectorImpl< char > & getPCH() const
Definition: ASTWriter.h:766
llvm::ArrayRef
Definition: LLVM.h:34
clang::Decl
Decl - This represents one declaration (or definition), e.g.
Definition: DeclBase.h:83
clang::ASTWriter::hasChain
bool hasChain() const
Definition: ASTWriter.h:701
ASTMutationListener.h
clang::ASTWriter::AddSourceLocation
void AddSourceLocation(SourceLocation Loc, RecordDataImpl &Record)
Emit a source location.
Definition: ASTWriter.cpp:5150
clang::ASTWriter::getIdentifierRef
serialization::IdentID getIdentifierRef(const IdentifierInfo *II)
Get the unique number used to refer to the given identifier.
Definition: ASTWriter.cpp:5168
clang::Sema
Sema - This implements semantic analysis and AST building for C.
Definition: Sema.h:354
LLVM.h
clang::serialization::NUM_PREDEF_MACRO_IDS
const unsigned int NUM_PREDEF_MACRO_IDS
The number of predefined macro IDs.
Definition: ASTBitCodes.h:150
clang::ASTWriter::getDeclObjCIvarAbbrev
unsigned getDeclObjCIvarAbbrev() const
Definition: ASTWriter.h:693
clang::PCHGenerator::GetASTMutationListener
ASTMutationListener * GetASTMutationListener() override
If the consumer is interested in entities getting modified after their initial creation,...
Definition: GeneratePCH.cpp:78
clang::ASTRecordWriter
An object for streaming information to a record.
Definition: ASTRecordWriter.h:26
clang::PCHGenerator::HandleTranslationUnit
void HandleTranslationUnit(ASTContext &Ctx) override
HandleTranslationUnit - This method is called when the ASTs for entire translation unit have been par...
Definition: GeneratePCH.cpp:41
clang::ASTWriter::getSelectorRef
serialization::SelectorID getSelectorRef(Selector Sel)
Get the unique number used to refer to the given selector.
Definition: ASTWriter.cpp:5210
clang::PCHGenerator::GetASTDeserializationListener
ASTDeserializationListener * GetASTDeserializationListener() override
If the consumer is interested in entities being deserialized from AST files, it should return a point...
Definition: GeneratePCH.cpp:82
clang::IdentifierInfo
One of these records is kept for each identifier that is lexed.
Definition: IdentifierTable.h:84
clang::ASTWriter::getMacroDirectivesOffset
uint32_t getMacroDirectivesOffset(const IdentifierInfo *Name)
Definition: ASTWriter.cpp:5202
PCHContainerOperations.h
clang::SourceLocation::getFromRawEncoding
static SourceLocation getFromRawEncoding(UIntTy Encoding)
Turn a raw encoding of a SourceLocation object into a real SourceLocation.
Definition: SourceLocation.h:152
clang::ASTWriter::getLangOpts
const LangOptions & getLangOpts() const
Definition: ASTWriter.cpp:4394
clang::QualType::getFromOpaquePtr
static QualType getFromOpaquePtr(const void *Ptr)
Definition: Type.h:721
clang::LangOptions
Keeps track of the various options that can be enabled, which controls the dialect of C or C++ that i...
Definition: LangOptions.h:58
clang::ASTWriter::WriteAST
ASTFileSignature WriteAST(Sema &SemaRef, const std::string &OutputFile, Module *WritingModule, StringRef isysroot, bool hasErrors=false, bool ShouldCacheASTInMemory=false)
Write a precompiled header for the given semantic analysis.
Definition: ASTWriter.cpp:4403
clang::ObjCPropertyAttribute::Kind
Kind
Definition: DeclObjCCommon.h:22
clang::ASTReader
Reads an AST files chain containing the contents of a translation unit.
Definition: ASTReader.h:340
clang::Builtin::ID
ID
Definition: Builtins.h:48
clang::ASTWriter::getLocalOrImportedSubmoduleID
unsigned getLocalOrImportedSubmoduleID(const Module *Mod)
Retrieve or create a submodule ID for this module, or return 0 if the submodule is neither local (a s...
Definition: ASTWriter.cpp:2590
clang::ASTWriter::getTimestampForOutput
time_t getTimestampForOutput(const FileEntry *E) const
Get a timestamp for output into the AST file.
Definition: ASTWriter.cpp:4399
clang::ASTWriter::getMacroID
serialization::MacroID getMacroID(MacroInfo *MI)
Determine the ID of an already-emitted macro.
Definition: ASTWriter.cpp:5194
clang::ASTWriter::getChain
ASTReader * getChain() const
Definition: ASTWriter.h:702
clang
Definition: CalledOnceCheck.h:17
clang::Selector
Smart pointer class that efficiently represents Objective-C method names.
Definition: IdentifierTable.h:748
clang::ASTWriter::SetSelectorOffset
void SetSelectorOffset(Selector Sel, uint32_t Offset)
Note that the selector Sel occurs at the given offset within the method pool/selector table.
Definition: ASTWriter.cpp:4369
clang::ASTWriter::RecordDataRef
ArrayRef< uint64_t > RecordDataRef
Definition: ASTWriter.h:91
clang::ASTWriter::getDeclRecordAbbrev
unsigned getDeclRecordAbbrev() const
Definition: ASTWriter.h:688
clang::ASTWriter::AddTypeRef
void AddTypeRef(QualType T, RecordDataImpl &Record)
Emit a reference to a type.
Definition: ASTWriter.cpp:5290
clang::Attr
Attr - This represents one attribute.
Definition: Attr.h:41
clang::InMemoryModuleCache
In-memory cache for modules.
Definition: InMemoryModuleCache.h:30
clang::ASTWriter::GetDeclRef
serialization::DeclID GetDeclRef(const Decl *D)
Force a declaration to be emitted and get its ID.
Definition: ASTWriter.cpp:5334
clang::ASTWriter::AddSourceRange
void AddSourceRange(SourceRange Range, RecordDataImpl &Record)
Emit a source range.
Definition: ASTWriter.cpp:5155
clang::PCHGenerator
AST and semantic-analysis consumer that generates a precompiled header from the parsed source code.
Definition: ASTWriter.h:752
clang::QualType::getAsOpaquePtr
void * getAsOpaquePtr() const
Definition: Type.h:719
llvm::SmallVectorImpl
Definition: LLVM.h:39
clang::ASTWriter::AddPath
void AddPath(StringRef Path, RecordDataImpl &Record)
Add a path to the given record.
Definition: ASTWriter.cpp:4331
clang::ASTWriter::getDeclEnumAbbrev
unsigned getDeclEnumAbbrev() const
Definition: ASTWriter.h:692
clang::VarTemplateDecl
Declaration of a variable template.
Definition: DeclTemplate.h:3079
llvm::SmallSetVector
Definition: ExternalSemaSource.h:23
clang::PCHGenerator::hasEmittedPCH
bool hasEmittedPCH() const
Definition: ASTWriter.h:781
clang::Expr
This represents one expression.
Definition: Expr.h:109
clang::Preprocessor
Engages in a tight little dance with the lexer to efficiently preprocess tokens.
Definition: Preprocessor.h:130
clang::serialization::DeclID
uint32_t DeclID
An ID number that refers to a declaration in an AST file.
Definition: ASTBitCodes.h:68
clang::ASTWriter::getDeclFieldAbbrev
unsigned getDeclFieldAbbrev() const
Definition: ASTWriter.h:691
clang::ClassTemplateSpecializationDecl
Represents a class template specialization, which refers to a class template with a given set of temp...
Definition: DeclTemplate.h:1803
clang::ASTDeclWriter
Definition: ASTWriterDecl.cpp:34
clang::serialization::SelectorID
uint32_t SelectorID
An ID number that refers to an ObjC selector in an AST file.
Definition: ASTBitCodes.h:153
SemaConsumer.h
clang::ASTWriter::AddToken
void AddToken(const Token &Tok, RecordDataImpl &Record)
Emit a token.
Definition: ASTWriter.cpp:4295
clang::FunctionDecl
Represents a function declaration or definition.
Definition: Decl.h:1855
clang::RecordDecl
Represents a struct/union/class.
Definition: Decl.h:3866
clang::ASTWriter::getDeclCXXMethodAbbrev
unsigned getDeclCXXMethodAbbrev() const
Definition: ASTWriter.h:694
clang::ASTWriter::AddString
void AddString(StringRef Str, RecordDataImpl &Record)
Add a string to the given record.
Definition: ASTWriter.cpp:4308
clang::ASTWriter::SetIdentifierOffset
void SetIdentifierOffset(const IdentifierInfo *II, uint32_t Offset)
Note that the identifier II occurs at the given offset within the identifier table.
Definition: ASTWriter.cpp:4359
clang::SourceLocation::UIntTy
uint32_t UIntTy
Definition: SourceLocation.h:93
clang::ASTWriter::getDeclTypedefAbbrev
unsigned getDeclTypedefAbbrev() const
Definition: ASTWriter.h:689
Type
MatchType Type
Definition: ASTMatchFinder.cpp:70