122 lines
5.1 KiB
C++
122 lines
5.1 KiB
C++
//== 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 *subengine, SValBuilder &SB)
|
|
: SU(subengine), 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 assumeWithinInclusiveRange(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
|