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| author | Richard Smith <richard-llvm@metafoo.co.uk> | 2012-03-12 08:56:40 +0000 |
|---|---|---|
| committer | Richard Smith <richard-llvm@metafoo.co.uk> | 2012-03-12 08:56:40 +0000 |
| commit | 7796eb5643244f3134834253ce5ea89107ac21c1 (patch) | |
| tree | 223c93c51604d1e6128470ad42ea5af267b8abaf /lib/Sema/SemaType.cpp | |
| parent | 69730c115c2d0fec2f20609d905d920a5a41b29b (diff) | |
Fix parsing of trailing-return-type. Types are syntactically prohibited from
being defined here: [] () -> struct S {} does not define struct S.
In passing, implement DR1318 (syntactic disambiguation of 'final').
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@152551 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Sema/SemaType.cpp')
| -rw-r--r-- | lib/Sema/SemaType.cpp | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/lib/Sema/SemaType.cpp b/lib/Sema/SemaType.cpp index f1b00e38d7..d8ac7636e2 100644 --- a/lib/Sema/SemaType.cpp +++ b/lib/Sema/SemaType.cpp @@ -1832,6 +1832,9 @@ static QualType GetDeclSpecTypeForDeclarator(TypeProcessingState &state, case Declarator::AliasTemplateContext: Error = 9; // Type alias break; + case Declarator::TrailingReturnContext: + Error = 10; // Function return type + break; case Declarator::TypeNameContext: Error = 11; // Generic break; @@ -1885,6 +1888,11 @@ static QualType GetDeclSpecTypeForDeclarator(TypeProcessingState &state, // Check the contexts where C++ forbids the declaration of a new class // or enumeration in a type-specifier-seq. switch (D.getContext()) { + case Declarator::TrailingReturnContext: + // Class and enumeration definitions are syntactically not allowed in + // trailing return types. + llvm_unreachable("parser should not have allowed this"); + break; case Declarator::FileContext: case Declarator::MemberContext: case Declarator::BlockContext: @@ -2606,6 +2614,7 @@ static TypeSourceInfo *GetFullTypeForDeclarator(TypeProcessingState &state, case Declarator::ObjCCatchContext: case Declarator::BlockLiteralContext: case Declarator::LambdaExprContext: + case Declarator::TrailingReturnContext: case Declarator::TemplateTypeArgContext: // FIXME: We may want to allow parameter packs in block-literal contexts // in the future. |