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