Use a filter instead of a visitor to deoptimize selected functions in a context.

src/liveedit.cc

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 1205 matching lines @@
   int inlined_count = data->InlinedFunctionCount()->value();
   for (int i = 0; i < inlined_count; ++i) {
     JSFunction* inlined = JSFunction::cast(literals->get(i));
     if (inlined->shared() == candidate) return true;
   }
 
   return false;
 }
 
 
-class DependentFunctionsDeoptimizingVisitor : public OptimizedFunctionVisitor {
+class DependentFunctionFilter : public OptimizedFunctionFilter {
  public:
-  explicit DependentFunctionsDeoptimizingVisitor(
+  explicit DependentFunctionFilter(
       SharedFunctionInfo* function_info)
       : function_info_(function_info) {}
 
-  virtual void EnterContext(Context* context) {
-  }
-
-  virtual void VisitFunction(JSFunction* function) {
-    if (function->shared() == function_info_ ||
-        IsInlined(function, function_info_)) {
-      Deoptimizer::DeoptimizeFunction(function);
-    }
-  }
-
-  virtual void LeaveContext(Context* context) {
+  virtual bool TakeFunction(JSFunction* function) {
+    return (function->shared() == function_info_ ||
+            IsInlined(function, function_info_));
   }
 
  private:
   SharedFunctionInfo* function_info_;
 };
 
 
 static void DeoptimizeDependentFunctions(SharedFunctionInfo* function_info) {
   AssertNoAllocation no_allocation;
 
-  DependentFunctionsDeoptimizingVisitor visitor(function_info);
-  Deoptimizer::VisitAllOptimizedFunctions(&visitor);
+  DependentFunctionFilter filter(function_info);
+  Deoptimizer::DeoptimizeAllFunctionsWith(&filter);
 }
 
 
 MaybeObject* LiveEdit::ReplaceFunctionCode(
     Handle<JSArray> new_compile_info_array,
     Handle<JSArray> shared_info_array) {
   HandleScope scope;
   Isolate* isolate = Isolate::Current();
 
   if (!SharedInfoWrapper::IsInstance(shared_info_array)) {
@@ skipping 840 matching lines @@
 
 bool LiveEditFunctionTracker::IsActive(Isolate* isolate) {
   return false;
 }
 
 #endif  // ENABLE_DEBUGGER_SUPPORT
 
 
 
 } }  // namespace v8::internal