commit 3ff8481f4be3f30e1082488238d83f78342303e1
author Zhongxing Xu <xuzhongxing@gmail.com> Wed Dec 23 08:56:18 2009 +0000
committer Zhongxing Xu <xuzhongxing@gmail.com> Wed Dec 23 08:56:18 2009 +0000
tree 4b0393b521b0d395502274983a02c5538d9a8d9b
parent e7809d49413febf078d0503753987fe9f6061a68

Migrate the call inliner to the Checker interface.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@91991 91177308-0d34-0410-b5e6-96231b3b80d8

lib/Analysis/CallInliner.cpp

diff --git a/lib/Analysis/CallInliner.cpp b/lib/Analysis/CallInliner.cpp
index 43523c29..2f748bd 100644
--- a/lib/Analysis/CallInliner.cpp
+++ b/lib/Analysis/CallInliner.cpp
@@ -11,36 +11,43 @@
 //
 //===----------------------------------------------------------------------===//
 
-#include "clang/Analysis/PathSensitive/GRExprEngine.h"
-#include "clang/Analysis/PathSensitive/GRTransferFuncs.h"
+#include "clang/Analysis/PathSensitive/CheckerVisitor.h"
+#include "clang/Analysis/PathSensitive/GRState.h"
+#include "clang/Analysis/LocalCheckers.h"
 
 using namespace clang;
 
 namespace {
-  
-class CallInliner : public GRTransferFuncs {
-  ASTContext &Ctx;
+class CallInliner : public Checker {
 public:
-  CallInliner(ASTContext &ctx) : Ctx(ctx) {}
+  static void *getTag() {
+    static int x;
+    return &x;
+  }
 
-  void EvalCall(ExplodedNodeSet& Dst, GRExprEngine& Engine,
-                GRStmtNodeBuilder& Builder, CallExpr* CE, SVal L,
-                ExplodedNode* Pred);
-  
+  virtual bool EvalCallExpr(CheckerContext &C, const CallExpr *CE);
 };
-
 }
 
-void CallInliner::EvalCall(ExplodedNodeSet& Dst, GRExprEngine& Engine,
-                           GRStmtNodeBuilder& Builder, CallExpr* CE, SVal L,
-                           ExplodedNode* Pred) {
-  FunctionDecl const *FD = L.getAsFunctionDecl();
+void clang::RegisterCallInliner(GRExprEngine &Eng) {
+  Eng.registerCheck(new CallInliner());
+}
+
+bool CallInliner::EvalCallExpr(CheckerContext &C, const CallExpr *CE) {
+  const GRState *state = C.getState();
+  const Expr *Callee = CE->getCallee();
+  SVal L = state->getSVal(Callee);
+
+  const FunctionDecl *FD = L.getAsFunctionDecl();
   if (!FD)
-    return; // GRExprEngine is responsible for the autotransition.
+    return false;
+
+  if (!FD->isThisDeclarationADefinition())
+    return false;
 
   // Make a new LocationContext.
-  StackFrameContext const *LocCtx =
-  Engine.getAnalysisManager().getStackFrame(FD, Pred->getLocationContext(), CE);
+  const StackFrameContext *LocCtx = C.getAnalysisManager().getStackFrame(FD, 
+                                  C.getPredecessor()->getLocationContext(), CE);
 
   CFGBlock const *Entry = &(LocCtx->getCFG()->getEntry());
 
@@ -54,22 +61,22 @@
   // Construct an edge representing the starting location in the function.
   BlockEdge Loc(Entry, SuccB, LocCtx);
 
-  GRState const *state = Builder.GetState(Pred);  
-  state = Engine.getStoreManager().EnterStackFrame(state, LocCtx);
-
-  bool isNew;
-  ExplodedNode *SuccN = Engine.getGraph().getNode(Loc, state, &isNew);
-  SuccN->addPredecessor(Pred, Engine.getGraph());
-
-  Builder.Deferred.erase(Pred);
-
+  state = C.getStoreManager().EnterStackFrame(state, LocCtx);
   // This is a hack. We really should not use the GRStmtNodeBuilder.
+  bool isNew;
+  GRExprEngine &Eng = C.getEngine();
+  ExplodedNode *Pred = C.getPredecessor();
+  GRStmtNodeBuilder &Builder = C.getNodeBuilder();
+
+  ExplodedNode *SuccN = Eng.getGraph().getNode(Loc, state, &isNew);
+  SuccN->addPredecessor(Pred, Eng.getGraph());
+  C.getNodeBuilder().Deferred.erase(Pred);
+  
   if (isNew)
     Builder.getWorkList()->Enqueue(SuccN);
 
   Builder.HasGeneratedNode = true;
+
+  return true;
 }
-  
-GRTransferFuncs *clang::CreateCallInliner(ASTContext &ctx) {
-  return new CallInliner(ctx);
-}
+