diff options
Diffstat (limited to 'include/clang/Lex/Preprocessor.h')
| -rw-r--r-- | include/clang/Lex/Preprocessor.h | 43 |
1 files changed, 38 insertions, 5 deletions
diff --git a/include/clang/Lex/Preprocessor.h b/include/clang/Lex/Preprocessor.h index edd34b7..7c838ff 100644 --- a/include/clang/Lex/Preprocessor.h +++ b/include/clang/Lex/Preprocessor.h @@ -91,12 +91,14 @@ class Preprocessor { bool KeepMacroComments : 1; // State that changes while the preprocessor runs: - bool DisableMacroExpansion : 1; // True if macro expansion is disabled. bool InMacroArgs : 1; // True if parsing fn macro invocation args. /// Whether the preprocessor owns the header search object. bool OwnsHeaderSearch : 1; + /// DisableMacroExpansion - True if macro expansion is disabled. + bool DisableMacroExpansion : 1; + /// Identifiers - This is mapping/lookup information for all identifiers in /// the program, including program keywords. mutable IdentifierTable Identifiers; @@ -121,6 +123,9 @@ class Preprocessor { /// with this preprocessor. std::vector<CommentHandler *> CommentHandlers; + /// \brief The file that we're performing code-completion for, if any. + const FileEntry *CodeCompletionFile; + /// CurLexer - This is the current top of the stack that we're lexing from if /// not expanding a macro and we are lexing directly from source code. /// Only one of CurLexer, CurPTHLexer, or CurTokenLexer will be non-null. @@ -134,7 +139,7 @@ class Preprocessor { /// CurPPLexer - This is the current top of the stack what we're lexing from /// if not expanding a macro. This is an alias for either CurLexer or /// CurPTHLexer. - PreprocessorLexer* CurPPLexer; + PreprocessorLexer *CurPPLexer; /// CurLookup - The DirectoryLookup structure used to find the current /// FileEntry, if CurLexer is non-null and if applicable. This allows us to @@ -171,8 +176,14 @@ class Preprocessor { llvm::DenseMap<IdentifierInfo*, MacroInfo*> Macros; /// MICache - A "freelist" of MacroInfo objects that can be reused for quick - /// allocation. + /// allocation. + /// FIXME: why not use a singly linked list? std::vector<MacroInfo*> MICache; + + /// MacroArgCache - This is a "freelist" of MacroArg objects that can be + /// reused for quick allocation. + MacroArgs *MacroArgCache; + friend class MacroArgs; // Various statistics we track for performance analysis. unsigned NumDirectives, NumIncluded, NumDefined, NumUndefined, NumPragma; @@ -330,8 +341,9 @@ public: /// EnterSourceFile - Add a source file to the top of the include stack and /// start lexing tokens from it instead of the current buffer. Return true - /// on failure. - bool EnterSourceFile(FileID CurFileID, const DirectoryLookup *Dir); + /// and fill in ErrorStr with the error information on failure. + bool EnterSourceFile(FileID CurFileID, const DirectoryLookup *Dir, + std::string &ErrorStr); /// EnterMacro - Add a Macro to the top of the include stack and start lexing /// tokens from it instead of the current buffer. Args specifies the @@ -484,6 +496,27 @@ public: CachedTokens[CachedLexPos-1] = Tok; } + /// \brief Specify the point at which code-completion will be performed. + /// + /// \param File the file in which code completion should occur. If + /// this file is included multiple times, code-completion will + /// perform completion the first time it is included. If NULL, this + /// function clears out the code-completion point. + /// + /// \param Line the line at which code completion should occur + /// (1-based). + /// + /// \param Column the column at which code completion should occur + /// (1-based). + /// + /// \returns true if an error occurred, false otherwise. + bool SetCodeCompletionPoint(const FileEntry *File, + unsigned Line, unsigned Column); + + /// \brief Determine if this source location refers into the file + /// for which we are performing code completion. + bool isCodeCompletionFile(SourceLocation FileLoc) const; + /// Diag - Forwarding function for diagnostics. This emits a diagnostic at /// the specified Token's location, translating the token's start /// position in the current buffer into a SourcePosition object for rendering. |
