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//== SimpleConstraintManager.h ----------------------------------*- C++ -*--==//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// Code shared between BasicConstraintManager and RangeConstraintManager.
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_CLANG_GR_SIMPLE_CONSTRAINT_MANAGER_H
#define LLVM_CLANG_GR_SIMPLE_CONSTRAINT_MANAGER_H
#include "clang/StaticAnalyzer/Core/PathSensitive/ConstraintManager.h"
#include "clang/StaticAnalyzer/Core/PathSensitive/ProgramState.h"
namespace clang {
namespace ento {
class SimpleConstraintManager : public ConstraintManager {
SubEngine &SU;
public:
SimpleConstraintManager(SubEngine &subengine) : SU(subengine) {}
virtual ~SimpleConstraintManager();
//===------------------------------------------------------------------===//
// Common implementation for the interface provided by ConstraintManager.
//===------------------------------------------------------------------===//
bool canReasonAbout(SVal X) const;
const ProgramState *assume(const ProgramState *state, DefinedSVal Cond,
bool Assumption);
const ProgramState *assume(const ProgramState *state, Loc Cond, bool Assumption);
const ProgramState *assume(const ProgramState *state, NonLoc Cond, bool Assumption);
const ProgramState *assumeSymRel(const ProgramState *state,
const SymExpr *LHS,
BinaryOperator::Opcode op,
const llvm::APSInt& Int);
protected:
//===------------------------------------------------------------------===//
// Interface that subclasses must implement.
//===------------------------------------------------------------------===//
// Each of these is of the form "$sym+Adj <> V", where "<>" is the comparison
// operation for the method being invoked.
virtual const ProgramState *assumeSymNE(const ProgramState *state, SymbolRef sym,
const llvm::APSInt& V,
const llvm::APSInt& Adjustment) = 0;
virtual const ProgramState *assumeSymEQ(const ProgramState *state, SymbolRef sym,
const llvm::APSInt& V,
const llvm::APSInt& Adjustment) = 0;
virtual const ProgramState *assumeSymLT(const ProgramState *state, SymbolRef sym,
const llvm::APSInt& V,
const llvm::APSInt& Adjustment) = 0;
virtual const ProgramState *assumeSymGT(const ProgramState *state, SymbolRef sym,
const llvm::APSInt& V,
const llvm::APSInt& Adjustment) = 0;
virtual const ProgramState *assumeSymLE(const ProgramState *state, SymbolRef sym,
const llvm::APSInt& V,
const llvm::APSInt& Adjustment) = 0;
virtual const ProgramState *assumeSymGE(const ProgramState *state, SymbolRef sym,
const llvm::APSInt& V,
const llvm::APSInt& Adjustment) = 0;
//===------------------------------------------------------------------===//
// Internal implementation.
//===------------------------------------------------------------------===//
const ProgramState *assumeAux(const ProgramState *state, Loc Cond,bool Assumption);
const ProgramState *assumeAux(const ProgramState *state, NonLoc Cond, bool Assumption);
};
} // end GR namespace
} // end clang namespace
#endif
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