diff options
Diffstat (limited to 'clang/lib/Lex/MacroArgs.cpp')
| -rw-r--r-- | clang/lib/Lex/MacroArgs.cpp | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/clang/lib/Lex/MacroArgs.cpp b/clang/lib/Lex/MacroArgs.cpp index b634f6a62cb..77c96e0ab33 100644 --- a/clang/lib/Lex/MacroArgs.cpp +++ b/clang/lib/Lex/MacroArgs.cpp @@ -23,7 +23,7 @@ MacroArgs *MacroArgs::create(const MacroInfo *MI, unsigned NumToks, bool VarargsElided) { assert(MI->isFunctionLike() && "Can't have args for an object-like macro!"); - + // Allocate memory for the MacroArgs object with the lexer tokens at the end. MacroArgs *Result = (MacroArgs*)malloc(sizeof(MacroArgs) + NumToks*sizeof(Token)); @@ -118,7 +118,14 @@ MacroArgs::getPreExpArgument(unsigned Arg, Preprocessor &PP) { // Lex all of the macro-expanded tokens into Result. do { Result.push_back(Token()); - PP.Lex(Result.back()); + Token &Tok = Result.back(); + PP.Lex(Tok); + + // Eagerly resolve instantiation ID's to their spelling location. This + // makes it so we only have to get the spelling loc once per macro argument + // preexpansion instead of once per each time the token is expanded. + if (!Tok.getLocation().isFileID()) + Tok.setLocation(PP.getSourceManager().getSpellingLoc(Tok.getLocation())); } while (Result.back().isNot(tok::eof)); // Pop the token stream off the top of the stack. We know that the internal |
