| //===- IdentifierResolver.h - Lexical Scope Name lookup ---------*- C++ -*-===// |
| // |
| // The LLVM Compiler Infrastructure |
| // |
| // This file is distributed under the University of Illinois Open Source |
| // License. See LICENSE.TXT for details. |
| // |
| //===----------------------------------------------------------------------===// |
| // |
| // This file defines the IdentifierResolver class, which is used for lexical |
| // scoped lookup, based on identifier. |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #ifndef LLVM_CLANG_AST_SEMA_IDENTIFIERRESOLVER_H |
| #define LLVM_CLANG_AST_SEMA_IDENTIFIERRESOLVER_H |
| |
| namespace clang { |
| class IdentifierInfo; |
| class NamedDecl; |
| class Scope; |
| |
| /// IdentifierResolver - Keeps track of shadowed decls on enclosing scopes. |
| /// It manages the shadowing chains of identifiers and implements efficent decl |
| /// lookup based on an identifier. |
| class IdentifierResolver { |
| public: |
| IdentifierResolver(); |
| ~IdentifierResolver(); |
| |
| /// AddDecl - Link the decl to its shadowed decl chain. |
| void AddDecl(NamedDecl *D, Scope *S); |
| |
| /// AddGlobalDecl - Link the decl at the top of the shadowed decl chain. |
| void AddGlobalDecl(NamedDecl *D); |
| |
| /// RemoveDecl - Unlink the decl from its shadowed decl chain. |
| /// The decl must already be part of the decl chain. |
| void RemoveDecl(NamedDecl *D); |
| |
| /// Lookup - Find the non-shadowed decl that belongs to one or more |
| /// of the specified Decl::IdentifierNamespaces. |
| NamedDecl *Lookup(const IdentifierInfo *II, unsigned NSI); |
| |
| private: |
| class IdDeclInfoMap; |
| IdDeclInfoMap &IdDeclInfos; |
| }; |
| |
| } // end namespace clang |
| |
| #endif |