Remove usage of to-be-deprecated APIs from v8 core

src/accessors.cc

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "src/v8.h"
 
 #include "src/accessors.h"
 #include "src/api.h"
 #include "src/contexts.h"
 #include "src/deoptimizer.h"
@@ skipping 1384 matching lines @@
 //
 // Accessors::MakeModuleExport
 //
 
 static void ModuleGetExport(
     v8::Local<v8::String> property,
     const v8::PropertyCallbackInfo<v8::Value>& info) {
   JSModule* instance = JSModule::cast(*v8::Utils::OpenHandle(*info.Holder()));
   Context* context = Context::cast(instance->context());
   DCHECK(context->IsModuleContext());
-  int slot = info.Data()->Int32Value();
+  Isolate* isolate = instance->GetIsolate();
+  int slot = info.Data()
+                 ->Int32Value(info.GetIsolate()->GetCurrentContext())
+                 .FromMaybe(-1);
+  if (slot < 0 || slot >= context->length()) {
+    Handle<String> name = v8::Utils::OpenHandle(*property);
+
+    Handle<Object> exception = isolate->factory()->NewReferenceError(
+        MessageTemplate::kNotDefined, name);
+    isolate->ScheduleThrow(*exception);
+    return;
+  }
   Object* value = context->get(slot);
-  Isolate* isolate = instance->GetIsolate();
   if (value->IsTheHole()) {
     Handle<String> name = v8::Utils::OpenHandle(*property);
 
     Handle<Object> exception = isolate->factory()->NewReferenceError(
         MessageTemplate::kNotDefined, name);
     isolate->ScheduleThrow(*exception);
     return;
   }
   info.GetReturnValue().Set(v8::Utils::ToLocal(Handle<Object>(value, isolate)));
 }
 
 
 static void ModuleSetExport(
     v8::Local<v8::String> property,
     v8::Local<v8::Value> value,
     const v8::PropertyCallbackInfo<v8::Value>& info) {
   JSModule* instance = JSModule::cast(*v8::Utils::OpenHandle(*info.Holder()));
   Context* context = Context::cast(instance->context());
   DCHECK(context->IsModuleContext());
-  int slot = info.Data()->Int32Value();
+  Isolate* isolate = instance->GetIsolate();
+  int slot = info.Data()
+                 ->Int32Value(info.GetIsolate()->GetCurrentContext())
+                 .FromMaybe(-1);
+  if (slot < 0 || slot >= context->length()) {
+    Handle<String> name = v8::Utils::OpenHandle(*property);
+    Handle<Object> exception = isolate->factory()->NewReferenceError(
+        MessageTemplate::kNotDefined, name);
+    isolate->ScheduleThrow(*exception);
+    return;
+  }
   Object* old_value = context->get(slot);
-  Isolate* isolate = context->GetIsolate();
   if (old_value->IsTheHole()) {
     Handle<String> name = v8::Utils::OpenHandle(*property);
     Handle<Object> exception = isolate->factory()->NewReferenceError(
         MessageTemplate::kNotDefined, name);
     isolate->ScheduleThrow(*exception);
     return;
   }
   context->set(slot, *v8::Utils::OpenHandle(*value));
 }
 
@@ skipping 13 matching lines @@
   Handle<Object> getter = v8::FromCData(isolate, &ModuleGetExport);
   Handle<Object> setter = v8::FromCData(isolate, &ModuleSetExport);
   info->set_getter(*getter);
   if (!(attributes & ReadOnly)) info->set_setter(*setter);
   return info;
 }
 
 
 }  // namespace internal
 }  // namespace v8