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//== ConstraintManager.h - Constraints on symbolic values.-------*- C++ -*--==//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This file defined the interface to manage constraints on symbolic values.
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_CLANG_ANALYSIS_CONSTRAINT_MANAGER_H
#define LLVM_CLANG_ANALYSIS_CONSTRAINT_MANAGER_H
// FIXME: Typedef LiveSymbolsTy/DeadSymbolsTy at a more appropriate place.
#include "clang/Analysis/PathSensitive/Store.h"
namespace llvm {
class APSInt;
}
namespace clang {
class GRState;
class GRStateManager;
class RVal;
class SymbolID;
class ConstraintManager {
public:
virtual ~ConstraintManager();
virtual const GRState* Assume(const GRState* St, RVal Cond, bool Assumption,
bool& isFeasible) = 0;
virtual const GRState* AddNE(const GRState* St, SymbolID sym,
const llvm::APSInt& V) = 0;
virtual const llvm::APSInt* getSymVal(const GRState* St, SymbolID sym) = 0;
virtual bool isEqual(const GRState* St, SymbolID sym,
const llvm::APSInt& V) const = 0;
virtual const GRState* RemoveDeadBindings(const GRState* St,
StoreManager::LiveSymbolsTy& LSymbols,
StoreManager::DeadSymbolsTy& DSymbols) = 0;
virtual void print(const GRState* St, std::ostream& Out,
const char* nl, const char *sep) = 0;
};
ConstraintManager* CreateBasicConstraintManager(GRStateManager& statemgr);
} // end clang namespace
#endif
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