diff options
Diffstat (limited to 'include/clang/Lex/PreprocessingRecord.h')
| -rw-r--r-- | include/clang/Lex/PreprocessingRecord.h | 70 |
1 files changed, 46 insertions, 24 deletions
diff --git a/include/clang/Lex/PreprocessingRecord.h b/include/clang/Lex/PreprocessingRecord.h index fc2c507004001..5f7a6efcef107 100644 --- a/include/clang/Lex/PreprocessingRecord.h +++ b/include/clang/Lex/PreprocessingRecord.h @@ -1,4 +1,4 @@ -//===--- PreprocessingRecord.h - Record of Preprocessing --------*- C++ -*-===// +//===- PreprocessingRecord.h - Record of Preprocessing ----------*- C++ -*-===// // // The LLVM Compiler Infrastructure // @@ -11,24 +11,33 @@ // of what occurred during preprocessing. // //===----------------------------------------------------------------------===// + #ifndef LLVM_CLANG_LEX_PREPROCESSINGRECORD_H #define LLVM_CLANG_LEX_PREPROCESSINGRECORD_H -#include "clang/Basic/IdentifierTable.h" +#include "clang/Basic/LLVM.h" #include "clang/Basic/SourceLocation.h" #include "clang/Lex/PPCallbacks.h" #include "llvm/ADT/DenseMap.h" +#include "llvm/ADT/None.h" #include "llvm/ADT/Optional.h" +#include "llvm/ADT/PointerUnion.h" +#include "llvm/ADT/StringRef.h" #include "llvm/ADT/iterator.h" +#include "llvm/ADT/iterator_range.h" #include "llvm/Support/Allocator.h" #include "llvm/Support/Compiler.h" +#include <cassert> +#include <cstddef> +#include <iterator> +#include <utility> #include <vector> namespace clang { - class IdentifierInfo; - class MacroInfo; - class PreprocessingRecord; -} + +class PreprocessingRecord; + +} // namespace clang /// \brief Allocates memory within a Clang preprocessing record. void *operator new(size_t bytes, clang::PreprocessingRecord &PR, @@ -39,8 +48,12 @@ void operator delete(void *ptr, clang::PreprocessingRecord &PR, unsigned) noexcept; namespace clang { - class MacroDefinitionRecord; - class FileEntry; + +class FileEntry; +class IdentifierInfo; +class MacroInfo; +class SourceManager; +class Token; /// \brief Base class that describes a preprocessed entity, which may be a /// preprocessor directive or macro expansion. @@ -78,11 +91,11 @@ namespace clang { SourceRange Range; protected: - PreprocessedEntity(EntityKind Kind, SourceRange Range) - : Kind(Kind), Range(Range) { } - friend class PreprocessingRecord; + PreprocessedEntity(EntityKind Kind, SourceRange Range) + : Kind(Kind), Range(Range) {} + public: /// \brief Retrieve the kind of preprocessed entity stored in this object. EntityKind getKind() const { return Kind; } @@ -122,7 +135,7 @@ namespace clang { class PreprocessingDirective : public PreprocessedEntity { public: PreprocessingDirective(EntityKind Kind, SourceRange Range) - : PreprocessedEntity(Kind, Range) { } + : PreprocessedEntity(Kind, Range) {} // Implement isa/cast/dyncast/etc. static bool classof(const PreprocessedEntity *PD) { @@ -199,10 +212,13 @@ namespace clang { enum InclusionKind { /// \brief An \c \#include directive. Include, + /// \brief An Objective-C \c \#import directive. Import, + /// \brief A GNU \c \#include_next directive. IncludeNext, + /// \brief A Clang \c \#__include_macros directive. IncludeMacros }; @@ -316,11 +332,14 @@ namespace clang { /// value 1 corresponds to element 0 in the local entities vector, /// value 2 corresponds to element 1 in the local entities vector, etc. class PPEntityID { - int ID; - explicit PPEntityID(int ID) : ID(ID) {} friend class PreprocessingRecord; + + int ID = 0; + + explicit PPEntityID(int ID) : ID(ID) {} + public: - PPEntityID() : ID(0) {} + PPEntityID() = default; }; static PPEntityID getPPEntityID(unsigned Index, bool isLoaded) { @@ -331,7 +350,7 @@ namespace clang { llvm::DenseMap<const MacroInfo *, MacroDefinitionRecord *> MacroDefinitions; /// \brief External source of preprocessed entities. - ExternalPreprocessingRecordSource *ExternalSource; + ExternalPreprocessingRecordSource *ExternalSource = nullptr; /// \brief Retrieve the preprocessed entity at the given ID. PreprocessedEntity *getPreprocessedEntity(PPEntityID PPID); @@ -371,7 +390,7 @@ namespace clang { } /// \brief Deallocate memory in the preprocessing record. - void Deallocate(void *Ptr) { } + void Deallocate(void *Ptr) {} size_t getTotalMemory() const; @@ -397,11 +416,12 @@ namespace clang { iterator, int, std::random_access_iterator_tag, PreprocessedEntity *, int, PreprocessedEntity *, PreprocessedEntity *> { + friend class PreprocessingRecord; + PreprocessingRecord *Self; iterator(PreprocessingRecord *Self, int Position) : iterator::iterator_adaptor_base(Position), Self(Self) {} - friend class PreprocessingRecord; public: iterator() : iterator(nullptr, 0) {} @@ -451,7 +471,6 @@ namespace clang { /// encompasses. /// /// \param R the range to look for preprocessed entities. - /// llvm::iterator_range<iterator> getPreprocessedEntitiesInRange(SourceRange R); @@ -485,6 +504,9 @@ namespace clang { } private: + friend class ASTReader; + friend class ASTWriter; + void MacroExpands(const Token &Id, const MacroDefinition &MD, SourceRange Range, const MacroArgs *Args) override; void MacroDefined(const Token &Id, const MacroDirective *MD) override; @@ -500,11 +522,13 @@ namespace clang { const MacroDefinition &MD) override; void Ifndef(SourceLocation Loc, const Token &MacroNameTok, const MacroDefinition &MD) override; + /// \brief Hook called whenever the 'defined' operator is seen. void Defined(const Token &MacroNameTok, const MacroDefinition &MD, SourceRange Range) override; - void SourceRangeSkipped(SourceRange Range) override; + void SourceRangeSkipped(SourceRange Range, + SourceLocation EndifLoc) override; void addMacroExpansion(const Token &Id, const MacroInfo *MI, SourceRange Range); @@ -517,11 +541,9 @@ namespace clang { } CachedRangeQuery; std::pair<int, int> getPreprocessedEntitiesInRangeSlow(SourceRange R); - - friend class ASTReader; - friend class ASTWriter; }; -} // end namespace clang + +} // namespace clang inline void *operator new(size_t bytes, clang::PreprocessingRecord &PR, unsigned alignment) noexcept { |