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//===-- ArrayExprRewriter.h -----------------------------------------------===//
//
// The KLEE Symbolic Virtual Machine
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#ifndef LIB_EXPRREWRITER_H_
#define LIB_EXPRREWRITER_H_
#include <iterator>
#include <map>
#include <vector>
#include "klee/Expr.h"
#include "klee/util/Ref.h"
namespace klee {
using array2idx_ty = std::map<const Array *, std::vector<ref<Expr>>>;
using mapIndexOptimizedExpr_ty = std::map<ref<Expr>, std::vector<ref<Expr>>>;
class ExprRewriter {
public:
static ref<Expr> createOptExpr(const ref<Expr> &e, const array2idx_ty &arrays,
const mapIndexOptimizedExpr_ty &idx_valIdx);
private:
static ref<Expr> rewrite(const ref<Expr> &e, const array2idx_ty &arrays,
const mapIndexOptimizedExpr_ty &idx_valIdx);
static ref<Expr>
concatenateOrExpr(const std::vector<ref<Expr>>::const_iterator begin,
const std::vector<ref<Expr>>::const_iterator end);
static ref<Expr> createEqExpr(const ref<Expr> &index,
const ref<Expr> &valIndex);
static ref<Expr> createRangeExpr(const ref<Expr> &index,
const ref<Expr> &valStart,
const ref<Expr> &valEnd);
};
} // namespace klee
#endif /* LIB_EXPRREWRITER_H_ */
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