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//== TransferFuncs.h - 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 TransferFuncs, which provides a base-class that
// defines an interface for transfer functions used by ExprEngine.
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_CLANG_GR_TRANSFERFUNCS
#define LLVM_CLANG_GR_TRANSFERFUNCS
#include "clang/StaticAnalyzer/PathSensitive/GRState.h"
#include "clang/StaticAnalyzer/PathSensitive/SVals.h"
#include <vector>
namespace clang {
class ObjCMessageExpr;
namespace ento {
class ExplodedNode;
class ExplodedNodeSet;
class EndOfFunctionNodeBuilder;
class ExprEngine;
class StmtNodeBuilder;
class StmtNodeBuilderRef;
class TransferFuncs {
public:
TransferFuncs() {}
virtual ~TransferFuncs() {}
virtual void RegisterPrinters(std::vector<GRState::Printer*>& Printers) {}
virtual void RegisterChecks(ExprEngine& Eng) {}
// Calls.
virtual void evalCall(ExplodedNodeSet& Dst,
ExprEngine& Engine,
StmtNodeBuilder& Builder,
const CallExpr* CE, SVal L,
ExplodedNode* Pred) {}
virtual void evalObjCMessageExpr(ExplodedNodeSet& Dst,
ExprEngine& Engine,
StmtNodeBuilder& Builder,
const ObjCMessageExpr* ME,
ExplodedNode* Pred,
const GRState *state) {}
// Stores.
virtual void evalBind(StmtNodeBuilderRef& B, SVal location, SVal val) {}
// End-of-path and dead symbol notification.
virtual void evalEndPath(ExprEngine& Engine,
EndOfFunctionNodeBuilder& Builder) {}
virtual void evalDeadSymbols(ExplodedNodeSet& Dst,
ExprEngine& Engine,
StmtNodeBuilder& Builder,
ExplodedNode* Pred,
const GRState* state,
SymbolReaper& SymReaper) {}
// Return statements.
virtual void evalReturn(ExplodedNodeSet& Dst,
ExprEngine& Engine,
StmtNodeBuilder& Builder,
const ReturnStmt* S,
ExplodedNode* Pred) {}
// Assumptions.
virtual const GRState* evalAssume(const GRState *state,
SVal Cond, bool Assumption) {
return state;
}
};
} // end GR namespace
} // end clang namespace
#endif
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