49 lines
1.9 KiB
C++
49 lines
1.9 KiB
C++
//== GRTransferFuncs.cpp - Path-Sens. Transfer Functions Interface -*- 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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// This file defines GRTransferFuncs, which provides a base-class that
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// defines an interface for transfer functions used by GRExprEngine.
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//
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//===----------------------------------------------------------------------===//
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#include "clang/Analysis/PathSensitive/GRTransferFuncs.h"
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#include "clang/Analysis/PathSensitive/GRExprEngine.h"
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using namespace clang;
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void GRTransferFuncs::RegisterChecks(GRExprEngine& Eng) {}
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void GRTransferFuncs::EvalStore(ExplodedNodeSet<GRState>& Dst,
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GRExprEngine& Eng,
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GRStmtNodeBuilder<GRState>& Builder,
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Expr* E, ExplodedNode<GRState>* Pred,
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const GRState* St, RVal TargetLV, RVal Val) {
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// This code basically matches the "safety-net" logic of GRExprEngine:
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// bind Val to TargetLV, and create a new node. We replicate it here
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// because subclasses of GRTransferFuncs may wish to call it.
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assert (!TargetLV.isUndef());
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if (TargetLV.isUnknown())
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Builder.MakeNode(Dst, E, Pred, St);
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else
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Builder.MakeNode(Dst, E, Pred,
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Eng.getStateManager().SetRVal(St, cast<LVal>(TargetLV), Val));
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}
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void GRTransferFuncs::EvalBinOpNN(GRStateSet& OStates,
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GRStateManager& StateMgr,
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const GRState *St, Expr* Ex,
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BinaryOperator::Opcode Op,
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NonLVal L, NonLVal R) {
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OStates.Add(StateMgr.SetRVal(St, Ex, DetermEvalBinOpNN(StateMgr, Op, L, R)));
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}
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