Map v8::Function to JSReceiver + IsCallable

src/objects.cc

 // Copyright 2013 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/objects.h"
 
 #include <cmath>
 #include <iomanip>
 #include <sstream>
 
@@ skipping 11965 matching lines @@
 
 Handle<Object> Script::GetNameOrSourceURL(Handle<Script> script) {
   Isolate* isolate = script->GetIsolate();
   Handle<String> name_or_source_url_key =
       isolate->factory()->InternalizeOneByteString(
           STATIC_CHAR_VECTOR("nameOrSourceURL"));
   Handle<JSObject> script_wrapper = Script::GetWrapper(script);
   Handle<Object> property = Object::GetProperty(
       script_wrapper, name_or_source_url_key).ToHandleChecked();
   DCHECK(property->IsJSFunction());
-  Handle<JSFunction> method = Handle<JSFunction>::cast(property);
   Handle<Object> result;
   // Do not check against pending exception, since this function may be called
   // when an exception has already been pending.
-  if (!Execution::TryCall(method, script_wrapper, 0, NULL).ToHandle(&result)) {
+  if (!Execution::TryCall(isolate, property, script_wrapper, 0, NULL)
+           .ToHandle(&result)) {
     return isolate->factory()->undefined_value();
   }
   return result;
 }
 
 
 Handle<JSObject> Script::GetWrapper(Handle<Script> script) {
   Isolate* isolate = script->GetIsolate();
   if (!script->wrapper()->IsUndefined()) {
     DCHECK(script->wrapper()->IsWeakCell());
@@ skipping 5831 matching lines @@
   if (cell->value() != *new_value) {
     cell->set_value(*new_value);
     Isolate* isolate = cell->GetIsolate();
     cell->dependent_code()->DeoptimizeDependentCodeGroup(
         isolate, DependentCode::kPropertyCellChangedGroup);
   }
 }
 
 }  // namespace internal
 }  // namespace v8