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//===--- DeclReferenceMap.h - Map Decls to their references -----*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// DeclReferenceMap creates a mapping from Decls to the ASTLocations that
// reference them.
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_CLANG_INDEX_DECLREFERENCEMAP_H
#define LLVM_CLANG_INDEX_DECLREFERENCEMAP_H
#include "clang/Index/ASTLocation.h"
#include "clang/Index/STLExtras.h"
#include <map>
namespace clang {
class ASTContext;
class NamedDecl;
namespace idx {
/// \brief Maps NamedDecls with the ASTLocations that reference them.
///
/// References are mapped and retrieved using the canonical decls.
class DeclReferenceMap {
public:
explicit DeclReferenceMap(ASTContext &Ctx);
typedef std::multimap<NamedDecl*, ASTLocation> MapTy;
typedef pair_value_iterator<MapTy::iterator> astlocation_iterator;
astlocation_iterator refs_begin(NamedDecl *D) const;
astlocation_iterator refs_end(NamedDecl *D) const;
bool refs_empty(NamedDecl *D) const;
private:
mutable MapTy Map;
};
} // end idx namespace
} // end clang namespace
#endif
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