diff options
| -rw-r--r-- | include/clang/Lex/PPCallbacks.h | 5 | ||||
| -rw-r--r-- | lib/Lex/PPMacroExpansion.cpp | 2 |
2 files changed, 7 insertions, 0 deletions
diff --git a/include/clang/Lex/PPCallbacks.h b/include/clang/Lex/PPCallbacks.h index bf03bb81f2..cd7c5e4215 100644 --- a/include/clang/Lex/PPCallbacks.h +++ b/include/clang/Lex/PPCallbacks.h @@ -21,6 +21,7 @@ namespace clang { class SourceLocation; class IdentifierInfo; + class MacroInfo; /// PPCallbacks - This interface provides a way to observe the actions of the /// preprocessor as it does its thing. Clients can define their hooks here to @@ -54,6 +55,10 @@ public: const std::string &Str) { } + /// MacroExpands - This is called Preprocessor::HandleMacroExpandedIdentifier + /// when a macro invocation is found. + virtual void MacroExpands(const Token &Id, const MacroInfo* MI) { + } }; } // end namespace clang diff --git a/lib/Lex/PPMacroExpansion.cpp b/lib/Lex/PPMacroExpansion.cpp index 84056c3f4b..712918b7c3 100644 --- a/lib/Lex/PPMacroExpansion.cpp +++ b/lib/Lex/PPMacroExpansion.cpp @@ -150,6 +150,8 @@ bool Preprocessor::isNextPPTokenLParen() { /// expanded as a macro, handle it and return the next token as 'Identifier'. bool Preprocessor::HandleMacroExpandedIdentifier(Token &Identifier, MacroInfo *MI) { + if (Callbacks) Callbacks->MacroExpands(Identifier, MI); + // If this is a macro exapnsion in the "#if !defined(x)" line for the file, // then the macro could expand to different things in other contexts, we need // to disable the optimization in this case. |