diff options
Diffstat (limited to 'contrib/llvm/tools/clang/lib/Parse/Parser.cpp')
-rw-r--r-- | contrib/llvm/tools/clang/lib/Parse/Parser.cpp | 86 |
1 files changed, 76 insertions, 10 deletions
diff --git a/contrib/llvm/tools/clang/lib/Parse/Parser.cpp b/contrib/llvm/tools/clang/lib/Parse/Parser.cpp index 0574a63..b3eeb9d 100644 --- a/contrib/llvm/tools/clang/lib/Parse/Parser.cpp +++ b/contrib/llvm/tools/clang/lib/Parse/Parser.cpp @@ -282,6 +282,7 @@ bool Parser::SkipUntil(ArrayRef<tok::TokenKind> Toks, SkipUntilFlags Flags) { // Ran out of tokens. return false; + case tok::annot_pragma_openmp: case tok::annot_pragma_openmp_end: // Stop before an OpenMP pragma boundary. case tok::annot_module_begin: @@ -1067,10 +1068,17 @@ Decl *Parser::ParseFunctionDefinition(ParsingDeclarator &D, // Tell the actions module that we have entered a function definition with the // specified Declarator for the function. - Decl *Res = TemplateInfo.TemplateParams? - Actions.ActOnStartOfFunctionTemplateDef(getCurScope(), - *TemplateInfo.TemplateParams, D) - : Actions.ActOnStartOfFunctionDef(getCurScope(), D); + Sema::SkipBodyInfo SkipBody; + Decl *Res = Actions.ActOnStartOfFunctionDef(getCurScope(), D, + TemplateInfo.TemplateParams + ? *TemplateInfo.TemplateParams + : MultiTemplateParamsArg(), + &SkipBody); + + if (SkipBody.ShouldSkip) { + SkipFunctionBody(); + return Res; + } // Break out of the ParsingDeclarator context before we parse the body. D.complete(Res); @@ -1086,14 +1094,16 @@ Decl *Parser::ParseFunctionDefinition(ParsingDeclarator &D, SourceLocation KWLoc; if (TryConsumeToken(tok::kw_delete, KWLoc)) { Diag(KWLoc, getLangOpts().CPlusPlus11 - ? diag::warn_cxx98_compat_deleted_function - : diag::ext_deleted_function); + ? diag::warn_cxx98_compat_defaulted_deleted_function + : diag::ext_defaulted_deleted_function) + << 1 /* deleted */; Actions.SetDeclDeleted(Res, KWLoc); Delete = true; } else if (TryConsumeToken(tok::kw_default, KWLoc)) { Diag(KWLoc, getLangOpts().CPlusPlus11 - ? diag::warn_cxx98_compat_defaulted_function - : diag::ext_defaulted_function); + ? diag::warn_cxx98_compat_defaulted_deleted_function + : diag::ext_defaulted_deleted_function) + << 0 /* defaulted */; Actions.SetDeclDefaulted(Res, KWLoc); } else { llvm_unreachable("function definition after = not 'delete' or 'default'"); @@ -1137,6 +1147,28 @@ Decl *Parser::ParseFunctionDefinition(ParsingDeclarator &D, return ParseFunctionStatementBody(Res, BodyScope); } +void Parser::SkipFunctionBody() { + if (Tok.is(tok::equal)) { + SkipUntil(tok::semi); + return; + } + + bool IsFunctionTryBlock = Tok.is(tok::kw_try); + if (IsFunctionTryBlock) + ConsumeToken(); + + CachedTokens Skipped; + if (ConsumeAndStoreFunctionPrologue(Skipped)) + SkipMalformedDecl(); + else { + SkipUntil(tok::r_brace); + while (IsFunctionTryBlock && Tok.is(tok::kw_catch)) { + SkipUntil(tok::l_brace); + SkipUntil(tok::r_brace); + } + } +} + /// ParseKNRParamDeclarations - Parse 'declaration-list[opt]' which provides /// types for a function with a K&R-style identifier list for arguments. void Parser::ParseKNRParamDeclarations(Declarator &D) { @@ -1493,7 +1525,7 @@ bool Parser::TryKeywordIdentFallback(bool DisableKeyword) { << PP.getSpelling(Tok) << DisableKeyword; if (DisableKeyword) - Tok.getIdentifierInfo()->RevertTokenIDToIdentifier(); + Tok.getIdentifierInfo()->revertTokenIDToIdentifier(); Tok.setKind(tok::identifier); return true; } @@ -1989,6 +2021,37 @@ Parser::DeclGroupPtrTy Parser::ParseModuleImport(SourceLocation AtLoc) { return Actions.ConvertDeclToDeclGroup(Import.get()); } +/// \brief Try recover parser when module annotation appears where it must not +/// be found. +/// \returns false if the recover was successful and parsing may be continued, or +/// true if parser must bail out to top level and handle the token there. +bool Parser::parseMisplacedModuleImport() { + while (true) { + switch (Tok.getKind()) { + case tok::annot_module_end: + // Inform caller that recovery failed, the error must be handled at upper + // level. + return true; + case tok::annot_module_begin: + Actions.diagnoseMisplacedModuleImport(reinterpret_cast<Module *>( + Tok.getAnnotationValue()), Tok.getLocation()); + return true; + case tok::annot_module_include: + // Module import found where it should not be, for instance, inside a + // namespace. Recover by importing the module. + Actions.ActOnModuleInclude(Tok.getLocation(), + reinterpret_cast<Module *>( + Tok.getAnnotationValue())); + ConsumeToken(); + // If there is another module import, process it. + continue; + default: + return false; + } + } + return false; +} + bool BalancedDelimiterTracker::diagnoseOverflow() { P.Diag(P.Tok, diag::err_bracket_depth_exceeded) << P.getLangOpts().BracketDepth; @@ -2016,7 +2079,10 @@ bool BalancedDelimiterTracker::expectAndConsume(unsigned DiagID, bool BalancedDelimiterTracker::diagnoseMissingClose() { assert(!P.Tok.is(Close) && "Should have consumed closing delimiter"); - P.Diag(P.Tok, diag::err_expected) << Close; + if (P.Tok.is(tok::annot_module_end)) + P.Diag(P.Tok, diag::err_missing_before_module_end) << Close; + else + P.Diag(P.Tok, diag::err_expected) << Close; P.Diag(LOpen, diag::note_matching) << Kind; // If we're not already at some kind of closing bracket, skip to our closing |