diff options
Diffstat (limited to 'contrib/llvm/tools/clang/lib/Lex/TokenLexer.cpp')
| -rw-r--r-- | contrib/llvm/tools/clang/lib/Lex/TokenLexer.cpp | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/contrib/llvm/tools/clang/lib/Lex/TokenLexer.cpp b/contrib/llvm/tools/clang/lib/Lex/TokenLexer.cpp index 5f4705e..83efbab 100644 --- a/contrib/llvm/tools/clang/lib/Lex/TokenLexer.cpp +++ b/contrib/llvm/tools/clang/lib/Lex/TokenLexer.cpp @@ -521,6 +521,13 @@ bool TokenLexer::Lex(Token &Tok) { /// are more ## after it, chomp them iteratively. Return the result as Tok. /// If this returns true, the caller should immediately return the token. bool TokenLexer::PasteTokens(Token &Tok) { + // MSVC: If previous token was pasted, this must be a recovery from an invalid + // paste operation. Ignore spaces before this token to mimic MSVC output. + // Required for generating valid UUID strings in some MS headers. + if (PP.getLangOpts().MicrosoftExt && (CurToken >= 2) && + Tokens[CurToken - 2].is(tok::hashhash)) + Tok.clearFlag(Token::LeadingSpace); + SmallString<128> Buffer; const char *ResultTokStrPtr = nullptr; SourceLocation StartLoc = Tok.getLocation(); @@ -637,7 +644,7 @@ bool TokenLexer::PasteTokens(Token &Tok) { // disabling it. PP.Diag(Loc, PP.getLangOpts().MicrosoftExt ? diag::ext_pp_bad_paste_ms : diag::err_pp_bad_paste) - << Buffer.str(); + << Buffer; } // An error has occurred so exit loop. |
