mirror of
https://github.com/opnsense/src.git
synced 2026-02-27 03:40:37 -05:00
76 lines
2.4 KiB
C++
76 lines
2.4 KiB
C++
//===-- GRExprEngineBuilders.h - "Builder" classes for GRExprEngine -*- 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 smart builder "references" which are used to marshal
|
|
// builders between GRExprEngine objects and their related components.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
#ifndef LLVM_CLANG_ANALYSIS_GREXPRENGINE_BUILDERS
|
|
#define LLVM_CLANG_ANALYSIS_GREXPRENGINE_BUILDERS
|
|
#include "clang/Checker/PathSensitive/GRExprEngine.h"
|
|
#include "clang/Analysis/Support/SaveAndRestore.h"
|
|
|
|
namespace clang {
|
|
|
|
class GRStmtNodeBuilderRef {
|
|
ExplodedNodeSet &Dst;
|
|
GRStmtNodeBuilder &B;
|
|
GRExprEngine& Eng;
|
|
ExplodedNode* Pred;
|
|
const GRState* state;
|
|
const Stmt* stmt;
|
|
const unsigned OldSize;
|
|
const bool AutoCreateNode;
|
|
SaveAndRestore<bool> OldSink;
|
|
SaveAndRestore<const void*> OldTag;
|
|
SaveOr OldHasGen;
|
|
|
|
private:
|
|
friend class GRExprEngine;
|
|
|
|
GRStmtNodeBuilderRef(); // do not implement
|
|
void operator=(const GRStmtNodeBuilderRef&); // do not implement
|
|
|
|
GRStmtNodeBuilderRef(ExplodedNodeSet &dst,
|
|
GRStmtNodeBuilder &builder,
|
|
GRExprEngine& eng,
|
|
ExplodedNode* pred,
|
|
const GRState *st,
|
|
const Stmt* s, bool auto_create_node)
|
|
: Dst(dst), B(builder), Eng(eng), Pred(pred),
|
|
state(st), stmt(s), OldSize(Dst.size()), AutoCreateNode(auto_create_node),
|
|
OldSink(B.BuildSinks), OldTag(B.Tag), OldHasGen(B.HasGeneratedNode) {}
|
|
|
|
public:
|
|
|
|
~GRStmtNodeBuilderRef() {
|
|
// Handle the case where no nodes where generated. Auto-generate that
|
|
// contains the updated state if we aren't generating sinks.
|
|
if (!B.BuildSinks && Dst.size() == OldSize && !B.HasGeneratedNode) {
|
|
if (AutoCreateNode)
|
|
B.MakeNode(Dst, const_cast<Stmt*>(stmt), Pred, state);
|
|
else
|
|
Dst.Add(Pred);
|
|
}
|
|
}
|
|
|
|
const GRState *getState() { return state; }
|
|
|
|
GRStateManager& getStateManager() {
|
|
return Eng.getStateManager();
|
|
}
|
|
|
|
ExplodedNode* MakeNode(const GRState* state) {
|
|
return B.MakeNode(Dst, const_cast<Stmt*>(stmt), Pred, state);
|
|
}
|
|
};
|
|
|
|
} // end clang namespace
|
|
#endif
|