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//===-- AssignmentGenerator.h ---------------------------------------------===//
//
// The KLEE Symbolic Virtual Machine
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#ifndef KLEE_ASSIGNMENTGENERATOR_H
#define KLEE_ASSIGNMENTGENERATOR_H
#include "klee/Expr/Expr.h"
#include "klee/util/Ref.h"
#include <vector>
namespace klee {
class Assignment;
} /* namespace klee */
namespace klee {
class Expr;
template <class T> class ref;
class AssignmentGenerator {
public:
static bool generatePartialAssignment(const ref<Expr> &e, ref<Expr> &val,
Assignment *&a);
private:
static bool helperGenerateAssignment(const ref<Expr> &e, ref<Expr> &val,
Assignment *&a, Expr::Width width,
bool sign);
static bool isReadExprAtOffset(ref<Expr> e, const ReadExpr *base,
ref<Expr> offset);
static ReadExpr *hasOrderedReads(ref<Expr> e);
static ref<Expr> createSubExpr(const ref<Expr> &l, ref<Expr> &r);
static ref<Expr> createAddExpr(const ref<Expr> &l, ref<Expr> &r);
static ref<Expr> createMulExpr(const ref<Expr> &l, ref<Expr> &r);
static ref<Expr> createDivExpr(const ref<Expr> &l, ref<Expr> &r, bool sign);
static ref<Expr> createDivRem(const ref<Expr> &l, ref<Expr> &r, bool sign);
static ref<Expr> createShlExpr(const ref<Expr> &l, ref<Expr> &r);
static ref<Expr> createLShrExpr(const ref<Expr> &l, ref<Expr> &r);
static ref<Expr> createAndExpr(const ref<Expr> &l, ref<Expr> &r);
static ref<Expr> createExtractExpr(const ref<Expr> &l, ref<Expr> &r);
static ref<Expr> createExtendExpr(const ref<Expr> &l, ref<Expr> &r);
static std::vector<unsigned char> getByteValue(ref<Expr> &val);
static std::vector<unsigned char>
getIndexedValue(const std::vector<unsigned char> &c_val, ConstantExpr &index,
const unsigned int size);
};
} // namespace klee
#endif /* KLEE_ASSIGNMENTGENERATOR_H */
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