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Preprocessor: preserve whitespace in -traditional-cpp mode.

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Note that unlike GNU cpp we currently do not preserve whitespace in macros
(even in -traditional-cpp mode).

<rdar://problem/12897179>

llvm-svn: 175778
This commit is contained in:
Jordan Rose
2013-02-21 18:53:19 +00:00
parent 50f0c80341
commit cb8a1aca35
5 changed files with 99 additions and 32 deletions
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4
clang/lib/Frontend/PrintPreprocessedOutput.cpp
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@@ -548,7 +548,7 @@ static void PrintPreprocessedTokens(Preprocessor &PP, Token &Tok,
// Tokens that can contain embedded newlines need to adjust our current
// line number.
if (Tok.getKind() == tok::comment)
if (Tok.getKind() == tok::comment || Tok.getKind() == tok::unknown)
Callbacks->HandleNewlinesInToken(TokPtr, Len);
} else {
std::string S = PP.getSpelling(Tok);
@@ -556,7 +556,7 @@ static void PrintPreprocessedTokens(Preprocessor &PP, Token &Tok,
// Tokens that can contain embedded newlines need to adjust our current
// line number.
if (Tok.getKind() == tok::comment)
if (Tok.getKind() == tok::comment || Tok.getKind() == tok::unknown)
Callbacks->HandleNewlinesInToken(&S[0], S.size());
}
Callbacks->setEmittedTokensOnThisLine();