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