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//===-- ExprHashMap.h -------------------------------------------*- C++ -*-===//
//
// The KLEE Symbolic Virtual Machine
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#ifndef KLEE_EXPRHASHMAP_H
#define KLEE_EXPRHASHMAP_H
#include "klee/Expr/Expr.h"
#include <ciso646>
#ifdef _LIBCPP_VERSION
#include <unordered_map>
#include <unordered_set>
#define unordered_map std::unordered_map
#define unordered_set std::unordered_set
#else
#include <tr1/unordered_map>
#include <tr1/unordered_set>
#define unordered_map std::tr1::unordered_map
#define unordered_set std::tr1::unordered_set
#endif
namespace klee {
namespace util {
struct ExprHash {
unsigned operator()(const ref<Expr> e) const {
return e->hash();
}
};
struct ExprCmp {
bool operator()(const ref<Expr> &a, const ref<Expr> &b) const {
return a==b;
}
};
}
template<class T>
class ExprHashMap :
public unordered_map<ref<Expr>,
T,
klee::util::ExprHash,
klee::util::ExprCmp> {
};
typedef unordered_set<ref<Expr>,
klee::util::ExprHash,
klee::util::ExprCmp> ExprHashSet;
}
#undef unordered_map
#undef unordered_set
#endif /* KLEE_EXPRHASHMAP_H */
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