diff options
Diffstat (limited to 'lib/Lex/PPDirectives.cpp')
| -rw-r--r-- | lib/Lex/PPDirectives.cpp | 31 |
1 files changed, 20 insertions, 11 deletions
diff --git a/lib/Lex/PPDirectives.cpp b/lib/Lex/PPDirectives.cpp index f9a97505bf..ca3e70fd10 100644 --- a/lib/Lex/PPDirectives.cpp +++ b/lib/Lex/PPDirectives.cpp @@ -350,7 +350,7 @@ void Preprocessor::CheckEndOfDirective(const char *DirType, bool EnableMacros) { /// If ElseOk is true, then \#else directives are ok, if not, then we have /// already seen one so a \#else directive is a duplicate. When this returns, /// the caller can lex the first valid token. -void Preprocessor::SkipExcludedConditionalBlock(const Token &HashToken, +void Preprocessor::SkipExcludedConditionalBlock(SourceLocation HashTokenLoc, SourceLocation IfTokenLoc, bool FoundNonSkipPortion, bool FoundElse, @@ -358,8 +358,11 @@ void Preprocessor::SkipExcludedConditionalBlock(const Token &HashToken, ++NumSkipped; assert(!CurTokenLexer && CurPPLexer && "Lexing a macro, not a file?"); - CurPPLexer->pushConditionalLevel(IfTokenLoc, /*isSkipping*/false, - FoundNonSkipPortion, FoundElse); + if (PreambleConditionalStack.reachedEOFWhileSkipping()) + PreambleConditionalStack.clearSkipInfo(); + else + CurPPLexer->pushConditionalLevel(IfTokenLoc, /*isSkipping*/ false, + FoundNonSkipPortion, FoundElse); if (CurPTHLexer) { PTHSkipExcludedConditionalBlock(); @@ -385,6 +388,9 @@ void Preprocessor::SkipExcludedConditionalBlock(const Token &HashToken, // We don't emit errors for unterminated conditionals here, // Lexer::LexEndOfFile can do that propertly. // Just return and let the caller lex after this #include. + if (PreambleConditionalStack.isRecording()) + PreambleConditionalStack.SkipInfo.emplace( + HashTokenLoc, IfTokenLoc, FoundNonSkipPortion, FoundElse, ElseLoc); break; } @@ -554,7 +560,7 @@ void Preprocessor::SkipExcludedConditionalBlock(const Token &HashToken, if (Callbacks) Callbacks->SourceRangeSkipped( - SourceRange(HashToken.getLocation(), CurPPLexer->getSourceLocation()), + SourceRange(HashTokenLoc, CurPPLexer->getSourceLocation()), Tok.getLocation()); } @@ -2676,7 +2682,8 @@ void Preprocessor::HandleIfdefDirective(Token &Result, if (MacroNameTok.is(tok::eod)) { // Skip code until we get to #endif. This helps with recovery by not // emitting an error when the #endif is reached. - SkipExcludedConditionalBlock(HashToken, DirectiveTok.getLocation(), + SkipExcludedConditionalBlock(HashToken.getLocation(), + DirectiveTok.getLocation(), /*Foundnonskip*/ false, /*FoundElse*/ false); return; } @@ -2725,7 +2732,8 @@ void Preprocessor::HandleIfdefDirective(Token &Result, /*foundelse*/false); } else { // No, skip the contents of this block. - SkipExcludedConditionalBlock(HashToken, DirectiveTok.getLocation(), + SkipExcludedConditionalBlock(HashToken.getLocation(), + DirectiveTok.getLocation(), /*Foundnonskip*/ false, /*FoundElse*/ false); } @@ -2772,7 +2780,7 @@ void Preprocessor::HandleIfDirective(Token &IfToken, /*foundnonskip*/true, /*foundelse*/false); } else { // No, skip the contents of this block. - SkipExcludedConditionalBlock(HashToken, IfToken.getLocation(), + SkipExcludedConditionalBlock(HashToken.getLocation(), IfToken.getLocation(), /*Foundnonskip*/ false, /*FoundElse*/ false); } @@ -2837,7 +2845,8 @@ void Preprocessor::HandleElseDirective(Token &Result, const Token &HashToken) { } // Finally, skip the rest of the contents of this block. - SkipExcludedConditionalBlock(HashToken, CI.IfLoc, /*Foundnonskip*/ true, + SkipExcludedConditionalBlock(HashToken.getLocation(), CI.IfLoc, + /*Foundnonskip*/ true, /*FoundElse*/ true, Result.getLocation()); } @@ -2881,7 +2890,7 @@ void Preprocessor::HandleElifDirective(Token &ElifToken, } // Finally, skip the rest of the contents of this block. - SkipExcludedConditionalBlock(HashToken, CI.IfLoc, /*Foundnonskip*/ true, - /*FoundElse*/ CI.FoundElse, - ElifToken.getLocation()); + SkipExcludedConditionalBlock( + HashToken.getLocation(), CI.IfLoc, /*Foundnonskip*/ true, + /*FoundElse*/ CI.FoundElse, ElifToken.getLocation()); } |