Made Isolate a mandatory parameter for everything Handle-related.

src/hydrogen.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 482 matching lines @@
 
   int visited_count_;
   ZoneList<HBasicBlock*> stack_;
   BitVector reachable_;
   HBasicBlock* dont_visit_;
 };
 
 
 void HGraph::Verify(bool do_full_verify) const {
   // Allow dereferencing for debug mode verification.
-  AllowHandleDereference allow_handle_deref;
+  AllowHandleDereference allow_handle_deref(isolate());
   for (int i = 0; i < blocks_.length(); i++) {
     HBasicBlock* block = blocks_.at(i);
 
     block->Verify();
 
     // Check that every block contains at least one node and that only the last
     // node is a control instruction.
     HInstruction* current = block->first();
     ASSERT(current != NULL && current->IsBlockEntry());
     while (current != NULL) {
@@ skipping 409 matching lines @@
     if (mapcheck != NULL) {
       mapcheck->ClearGVNFlag(kDependsOnElementsKind);
     }
   }
   bool fast_smi_only_elements = IsFastSmiElementsKind(elements_kind);
   bool fast_elements = IsFastObjectElementsKind(elements_kind);
   HInstruction* elements =
       AddInstruction(new(zone) HLoadElements(object, mapcheck));
   if (is_store && (fast_elements || fast_smi_only_elements)) {
     HCheckMaps* check_cow_map = new(zone) HCheckMaps(
-        elements, Isolate::Current()->factory()->fixed_array_map(), zone);
+        elements, graph()->isolate()->factory()->fixed_array_map(), zone);
     check_cow_map->ClearGVNFlag(kDependsOnElementsKind);
     AddInstruction(check_cow_map);
   }
   HInstruction* length = NULL;
   HInstruction* checked_key = NULL;
   if (IsExternalArrayElementsKind(elements_kind)) {
     length = AddInstruction(new(zone) HFixedArrayBaseLength(elements));
     checked_key = AddBoundsCheck(
         key, length, ALLOW_SMI_KEY, checked_index_representation);
     HLoadExternalArrayPointer* external_elements =
@@ skipping 4202 matching lines @@
 
   HInstruction* array = AddInstruction(
       new(zone()) HForInCacheArray(
           enumerable,
           map,
           DescriptorArray::kEnumCacheBridgeCacheIndex));
 
   HInstruction* enum_length = AddInstruction(new(zone()) HMapEnumLength(map));
 
   HInstruction* start_index = AddInstruction(new(zone()) HConstant(
-      Handle<Object>(Smi::FromInt(0)), Representation::Integer32()));
+      Handle<Object>(Smi::FromInt(0), isolate()), Representation::Integer32()));
 
   Push(map);
   Push(array);
   Push(enum_length);
   Push(start_index);
 
   HInstruction* index_cache = AddInstruction(
       new(zone()) HForInCacheArray(
           enumerable,
           map,
@@ skipping 329 matching lines @@
 
 
 // Tries to find a JavaScript accessor of the given name in the prototype chain
 // starting at the given map. Return true iff there is one, including the
 // corresponding AccessorPair plus its holder (which could be null when the
 // accessor is found directly in the given map).
 static bool LookupAccessorPair(Handle<Map> map,
                                Handle<String> name,
                                Handle<AccessorPair>* accessors,
                                Handle<JSObject>* holder) {
-  LookupResult lookup(map->GetIsolate());
+  Isolate* isolate = map->GetIsolate();
+  LookupResult lookup(isolate);
 
   // Check for a JavaScript accessor directly in the map.
   map->LookupDescriptor(NULL, *name, &lookup);
   if (lookup.IsPropertyCallbacks()) {
-    Handle<Object> callback(lookup.GetValueFromMap(*map));
+    Handle<Object> callback(lookup.GetValueFromMap(*map), isolate);
     if (!callback->IsAccessorPair()) return false;
     *accessors = Handle<AccessorPair>::cast(callback);
     *holder = Handle<JSObject>();
     return true;
   }
 
   // Everything else, e.g. a field, can't be an accessor call.
   if (lookup.IsFound()) return false;
 
   // Check for a JavaScript accessor somewhere in the proto chain.
   LookupInPrototypes(map, name, &lookup);
   if (lookup.IsPropertyCallbacks()) {
-    Handle<Object> callback(lookup.GetValue());
+    Handle<Object> callback(lookup.GetValue(), isolate);
     if (!callback->IsAccessorPair()) return false;
     *accessors = Handle<AccessorPair>::cast(callback);
     *holder = Handle<JSObject>(lookup.holder());
     return true;
   }
 
   // We haven't found a JavaScript accessor anywhere.
   return false;
 }
 
@@ skipping 29 matching lines @@
 // Determines whether the given array or object literal boilerplate satisfies
 // all limits to be considered for fast deep-copying and computes the total
 // size of all objects that are part of the graph.
 static bool IsFastLiteral(Handle<JSObject> boilerplate,
                           int max_depth,
                           int* max_properties,
                           int* total_size) {
   ASSERT(max_depth >= 0 && *max_properties >= 0);
   if (max_depth == 0) return false;
 
+  Isolate* isolate = boilerplate->GetIsolate();
   Handle<FixedArrayBase> elements(boilerplate->elements());
   if (elements->length() > 0 &&
-      elements->map() != boilerplate->GetHeap()->fixed_cow_array_map()) {
+      elements->map() != isolate->heap()->fixed_cow_array_map()) {
     if (boilerplate->HasFastDoubleElements()) {
       *total_size += FixedDoubleArray::SizeFor(elements->length());
     } else if (boilerplate->HasFastObjectElements()) {
       Handle<FixedArray> fast_elements = Handle<FixedArray>::cast(elements);
       int length = elements->length();
       for (int i = 0; i < length; i++) {
         if ((*max_properties)-- == 0) return false;
-        Handle<Object> value(fast_elements->get(i));
+        Handle<Object> value(fast_elements->get(i), isolate);
         if (value->IsJSObject()) {
           Handle<JSObject> value_object = Handle<JSObject>::cast(value);
           if (!IsFastLiteral(value_object,
                              max_depth - 1,
                              max_properties,
                              total_size)) {
             return false;
           }
         }
       }
       *total_size += FixedArray::SizeFor(length);
     } else {
       return false;
     }
   }
 
   Handle<FixedArray> properties(boilerplate->properties());
   if (properties->length() > 0) {
     return false;
   } else {
     int nof = boilerplate->map()->inobject_properties();
     for (int i = 0; i < nof; i++) {
       if ((*max_properties)-- == 0) return false;
-      Handle<Object> value(boilerplate->InObjectPropertyAt(i));
+      Handle<Object> value(boilerplate->InObjectPropertyAt(i), isolate);
       if (value->IsJSObject()) {
         Handle<JSObject> value_object = Handle<JSObject>::cast(value);
         if (!IsFastLiteral(value_object,
                            max_depth - 1,
                            max_properties,
                            total_size)) {
           return false;
         }
       }
     }
   }
 
   *total_size += boilerplate->map()->instance_size();
   return true;
 }
 
 
 void HOptimizedGraphBuilder::VisitObjectLiteral(ObjectLiteral* expr) {
   ASSERT(!HasStackOverflow());
   ASSERT(current_block() != NULL);
   ASSERT(current_block()->HasPredecessor());
   Handle<JSFunction> closure = function_state()->compilation_info()->closure();
   HValue* context = environment()->LookupContext();
   HInstruction* literal;
 
   // Check whether to use fast or slow deep-copying for boilerplate.
   int total_size = 0;
   int max_properties = HFastLiteral::kMaxLiteralProperties;
-  Handle<Object> boilerplate(closure->literals()->get(expr->literal_index()));
+  Handle<Object> boilerplate(closure->literals()->get(expr->literal_index()),
+                             isolate());
   if (boilerplate->IsJSObject() &&
       IsFastLiteral(Handle<JSObject>::cast(boilerplate),
                     HFastLiteral::kMaxLiteralDepth,
                     &max_properties,
                     &total_size)) {
     Handle<JSObject> boilerplate_object = Handle<JSObject>::cast(boilerplate);
     literal = new(zone()) HFastLiteral(context,
                                        boilerplate_object,
                                        total_size,
                                        expr->literal_index(),
@@ skipping 84 matching lines @@
 void HOptimizedGraphBuilder::VisitArrayLiteral(ArrayLiteral* expr) {
   ASSERT(!HasStackOverflow());
   ASSERT(current_block() != NULL);
   ASSERT(current_block()->HasPredecessor());
   ZoneList<Expression*>* subexprs = expr->values();
   int length = subexprs->length();
   HValue* context = environment()->LookupContext();
   HInstruction* literal;
 
   Handle<FixedArray> literals(environment()->closure()->literals());
-  Handle<Object> raw_boilerplate(literals->get(expr->literal_index()));
+  Handle<Object> raw_boilerplate(literals->get(expr->literal_index()),
+                                 isolate());
 
   if (raw_boilerplate->IsUndefined()) {
     raw_boilerplate = Runtime::CreateArrayLiteralBoilerplate(
         isolate(), literals, expr->constant_elements());
     if (raw_boilerplate.is_null()) {
       return Bailout("array boilerplate creation failed");
     }
     literals->set(expr->literal_index(), *raw_boilerplate);
     if (JSObject::cast(*raw_boilerplate)->elements()->map() ==
         isolate()->heap()->fixed_cow_array_map()) {
@@ skipping 51 matching lines @@
     CHECK_ALIVE(VisitForValue(subexpr));
     HValue* value = Pop();
     if (!Smi::IsValid(i)) return Bailout("Non-smi key in array literal");
 
     // Pass in literal as dummy depedency, since  the receiver always has
     // elements.
     elements = new(zone()) HLoadElements(literal, literal);
     AddInstruction(elements);
 
     HValue* key = AddInstruction(
-        new(zone()) HConstant(Handle<Object>(Smi::FromInt(i)),
+        new(zone()) HConstant(Handle<Object>(Smi::FromInt(i), isolate()),
                               Representation::Integer32()));
 
     switch (boilerplate_elements_kind) {
       case FAST_SMI_ELEMENTS:
       case FAST_HOLEY_SMI_ELEMENTS:
         // Smi-only arrays need a smi check.
         AddInstruction(new(zone()) HCheckSmi(value));
         // Fall through.
       case FAST_ELEMENTS:
       case FAST_HOLEY_ELEMENTS:
@@ skipping 1239 matching lines @@
 
     if (function_state()->outer() == NULL) {
       HInstruction* elements = AddInstruction(
           new(zone()) HArgumentsElements(false));
       result = new(zone()) HArgumentsLength(elements);
     } else {
       // Number of arguments without receiver.
       int argument_count = environment()->
           arguments_environment()->parameter_count() - 1;
       result = new(zone()) HConstant(
-        Handle<Object>(Smi::FromInt(argument_count)),
-        Representation::Integer32());
+          Handle<Object>(Smi::FromInt(argument_count), isolate()),
+          Representation::Integer32());
     }
   } else {
     Push(graph()->GetArgumentsObject());
     VisitForValue(expr->key());
     if (HasStackOverflow() || current_block() == NULL) return true;
     HValue* key = Pop();
     Drop(1);  // Arguments object.
     if (function_state()->outer() == NULL) {
       HInstruction* elements = AddInstruction(
           new(zone()) HArgumentsElements(false));
       HInstruction* length = AddInstruction(
           new(zone()) HArgumentsLength(elements));
       HInstruction* checked_key = AddBoundsCheck(key, length);
       result = new(zone()) HAccessArgumentsAt(elements, length, checked_key);
     } else {
       EnsureArgumentsArePushedForAccess();
 
       // Number of arguments without receiver.
       HInstruction* elements = function_state()->arguments_elements();
       int argument_count = environment()->
           arguments_environment()->parameter_count() - 1;
       HInstruction* length = AddInstruction(new(zone()) HConstant(
-        Handle<Object>(Smi::FromInt(argument_count)),
-        Representation::Integer32()));
+          Handle<Object>(Smi::FromInt(argument_count), isolate()),
+          Representation::Integer32()));
       HInstruction* checked_key = AddBoundsCheck(key, length);
       result = new(zone()) HAccessArgumentsAt(elements, length, checked_key);
     }
   }
   ast_context()->ReturnInstruction(result, expr->id());
   return true;
 }
 
 
 void HOptimizedGraphBuilder::VisitProperty(Property* expr) {
@@ skipping 790 matching lines @@
         HValue* context = environment()->LookupContext();
         HInstruction* result = NULL;
         // Use sqrt() if exponent is 0.5 or -0.5.
         if (right->IsConstant() && HConstant::cast(right)->HasDoubleValue()) {
           double exponent = HConstant::cast(right)->DoubleValue();
           if (exponent == 0.5) {
             result =
                 HUnaryMathOperation::New(zone(), context, left, kMathPowHalf);
           } else if (exponent == -0.5) {
             HConstant* double_one =
-                new(zone()) HConstant(Handle<Object>(Smi::FromInt(1)),
+                new(zone()) HConstant(Handle<Object>(Smi::FromInt(1),
+                                                     isolate()),
                                       Representation::Double());
             AddInstruction(double_one);
             HInstruction* sqrt =
                 HUnaryMathOperation::New(zone(), context, left, kMathPowHalf);
             AddInstruction(sqrt);
             // MathPowHalf doesn't have side effects so there's no need for
             // an environment simulation here.
             ASSERT(!sqrt->HasObservableSideEffects());
             result = HDiv::New(zone(), context, double_one, sqrt);
           } else if (exponent == 2.0) {
@@ skipping 2791 matching lines @@
     }
   }
 
 #ifdef DEBUG
   if (graph_ != NULL) graph_->Verify(false);  // No full verify.
   if (allocator_ != NULL) allocator_->Verify();
 #endif
 }
 
 } }  // namespace v8::internal