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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_LIB_STATICANALYZER_CORE_SIMPLECONSTRAINTMANAGER_H
#define LLVM_CLANG_LIB_STATICANALYZER_CORE_SIMPLECONSTRAINTMANAGER_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;
SValBuilder &SVB;
public:
SimpleConstraintManager(SubEngine *SE, SValBuilder &SB) : SU(SE), SVB(SB) {}
~SimpleConstraintManager() override;
//===------------------------------------------------------------------===//
// Common implementation for the interface provided by ConstraintManager.
//===------------------------------------------------------------------===//
ProgramStateRef assume(ProgramStateRef State, DefinedSVal Cond,
bool Assumption) override;
ProgramStateRef assume(ProgramStateRef State, NonLoc Cond, bool Assumption);
ProgramStateRef assumeInclusiveRange(ProgramStateRef State, NonLoc Value,
const llvm::APSInt &From,
const llvm::APSInt &To,
bool InRange) override;
ProgramStateRef assumeSymRel(ProgramStateRef State, const SymExpr *LHS,
BinaryOperator::Opcode Op,
const llvm::APSInt &Int);
ProgramStateRef assumeSymWithinInclusiveRange(ProgramStateRef State,
SymbolRef Sym,
const llvm::APSInt &From,
const llvm::APSInt &To,
bool InRange);
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 ProgramStateRef assumeSymNE(ProgramStateRef State, SymbolRef Sym,
const llvm::APSInt &V,
const llvm::APSInt &Adjustment) = 0;
virtual ProgramStateRef assumeSymEQ(ProgramStateRef State, SymbolRef Sym,
const llvm::APSInt &V,
const llvm::APSInt &Adjustment) = 0;
virtual ProgramStateRef assumeSymLT(ProgramStateRef State, SymbolRef Sym,
const llvm::APSInt &V,
const llvm::APSInt &Adjustment) = 0;
virtual ProgramStateRef assumeSymGT(ProgramStateRef State, SymbolRef Sym,
const llvm::APSInt &V,
const llvm::APSInt &Adjustment) = 0;
virtual ProgramStateRef assumeSymLE(ProgramStateRef State, SymbolRef Sym,
const llvm::APSInt &V,
const llvm::APSInt &Adjustment) = 0;
virtual ProgramStateRef assumeSymGE(ProgramStateRef State, SymbolRef Sym,
const llvm::APSInt &V,
const llvm::APSInt &Adjustment) = 0;
virtual ProgramStateRef assumeSymbolWithinInclusiveRange(
ProgramStateRef State, SymbolRef Sym, const llvm::APSInt &From,
const llvm::APSInt &To, const llvm::APSInt &Adjustment) = 0;
virtual ProgramStateRef assumeSymbolOutOfInclusiveRange(
ProgramStateRef State, SymbolRef Sym, const llvm::APSInt &From,
const llvm::APSInt &To, const llvm::APSInt &Adjustment) = 0;
//===------------------------------------------------------------------===//
// Internal implementation.
//===------------------------------------------------------------------===//
BasicValueFactory &getBasicVals() const { return SVB.getBasicValueFactory(); }
SymbolManager &getSymbolManager() const { return SVB.getSymbolManager(); }
bool canReasonAbout(SVal X) const override;
ProgramStateRef assumeAux(ProgramStateRef State, NonLoc Cond,
bool Assumption);
ProgramStateRef assumeAuxForSymbol(ProgramStateRef State, SymbolRef Sym,
bool Assumption);
};
} // end GR namespace
} // end clang namespace
#endif
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