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Diffstat (limited to 'include/clang/Lex/Lexer.h')
| -rw-r--r-- | include/clang/Lex/Lexer.h | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/include/clang/Lex/Lexer.h b/include/clang/Lex/Lexer.h index 12565d0b14..830c25a2e4 100644 --- a/include/clang/Lex/Lexer.h +++ b/include/clang/Lex/Lexer.h @@ -410,6 +410,26 @@ public: const SourceManager &SM, const LangOptions &LangOpts); + /// \brief Retrieve the name of the immediate macro expansion. + /// + /// This routine starts from a source location, and finds the name of the + /// macro responsible for its immediate expansion. It looks through any + /// intervening macro argument expansions to compute this. It returns a + /// StringRef which refers to the SourceManager-owned buffer of the source + /// where that macro name is spelled. Thus, the result shouldn't out-live + /// that SourceManager. + /// + /// This differs from Lexer::getImmediateMacroName in that any macro argument + /// location will result in the topmost function macro that accepted it. + /// e.g. + /// \code + /// MAC1( MAC2(foo) ) + /// \endcode + /// for location of 'foo' token, this function will return "MAC1" while + /// Lexer::getImmediateMacroName will return "MAC2". + static StringRef getImmediateMacroNameForDiagnostics( + SourceLocation Loc, const SourceManager &SM, const LangOptions &LangOpts); + /// \brief Compute the preamble of the given file. /// /// The preamble of a file contains the initial comments, include directives, |