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//== GRTransferFuncs.cpp - Path-Sens. Transfer Functions Interface -*- C++ -*--=
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This file defines GRTransferFuncs, which provides a base-class that
// defines an interface for transfer functions used by GRExprEngine.
//
//===----------------------------------------------------------------------===//
#include "clang/Analysis/PathSensitive/GRTransferFuncs.h"
#include "clang/Analysis/PathSensitive/GRExprEngine.h"
using namespace clang;
void GRTransferFuncs::RegisterChecks(GRExprEngine& Eng) {}
void GRTransferFuncs::EvalStore(ExplodedNodeSet<GRState>& Dst,
GRExprEngine& Eng,
GRStmtNodeBuilder<GRState>& Builder,
Expr* E, ExplodedNode<GRState>* Pred,
const GRState* St, SVal TargetLV, SVal Val) {
// This code basically matches the "safety-net" logic of GRExprEngine:
// bind Val to TargetLV, and create a new node. We replicate it here
// because subclasses of GRTransferFuncs may wish to call it.
assert (!TargetLV.isUndef());
if (TargetLV.isUnknown())
Builder.MakeNode(Dst, E, Pred, St);
else
Builder.MakeNode(Dst, E, Pred,
Eng.getStateManager().BindLoc(St, cast<Loc>(TargetLV), Val));
}
void GRTransferFuncs::EvalBinOpNN(GRStateSet& OStates,
GRExprEngine& Eng,
const GRState *St, Expr* Ex,
BinaryOperator::Opcode Op,
NonLoc L, NonLoc R) {
OStates.Add(Eng.getStateManager().BindExpr(St, Ex, DetermEvalBinOpNN(Eng, Op, L, R)));
}
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