diff options
Diffstat (limited to 'clang/lib/Sema/Sema.h')
| -rw-r--r-- | clang/lib/Sema/Sema.h | 30 |
1 files changed, 29 insertions, 1 deletions
diff --git a/clang/lib/Sema/Sema.h b/clang/lib/Sema/Sema.h index 6e0b935b88a..30550c423d7 100644 --- a/clang/lib/Sema/Sema.h +++ b/clang/lib/Sema/Sema.h @@ -149,6 +149,33 @@ public: /// FieldCollector - Collects CXXFieldDecls during parsing of C++ classes. llvm::OwningPtr<CXXFieldCollector> FieldCollector; + /// \brief A mapping from external names to the most recent + /// locally-scoped external declaration with that name. + /// + /// This map contains external declarations introduced in local + /// scoped, e.g., + /// + /// \code + /// void f() { + /// void foo(int, int); + /// } + /// \endcode + /// + /// Here, the name "foo" will be associated with the declaration on + /// "foo" within f. This name is not visible outside of + /// "f". However, we still find it in two cases: + /// + /// - If we are declaring another external with the name "foo", we + /// can find "foo" as a previous declaration, so that the types + /// of this external declaration can be checked for + /// compatibility. + /// + /// - If we would implicitly declare "foo" (e.g., due to a call to + /// "foo" in C when no prototype or definition is visible), then + /// we find this declaration of "foo" and complain that it is + /// not visible. + llvm::DenseMap<DeclarationName, NamedDecl *> LocallyScopedExternalDecls; + IdentifierResolver IdResolver; // Enum values used by KnownFunctionIDs (see below). @@ -267,11 +294,12 @@ public: } DeclTy *ActOnDeclarator(Scope *S, Declarator &D, DeclTy *LastInGroup, bool IsFunctionDefinition); + void RegisterLocallyScopedExternCDecl(NamedDecl *ND, NamedDecl *PrevDecl, + Scope *S); NamedDecl* ActOnTypedefDeclarator(Scope* S, Declarator& D, DeclContext* DC, QualType R, Decl* LastDeclarator, Decl* PrevDecl, bool& InvalidDecl, bool &Redeclaration); - void InjectLocallyScopedExternalDeclaration(ValueDecl *VD); NamedDecl* ActOnVariableDeclarator(Scope* S, Declarator& D, DeclContext* DC, QualType R, Decl* LastDeclarator, NamedDecl* PrevDecl, bool& InvalidDecl, |
