[builtins] Refactor Invoke to deal with any kind of callable.

src/runtime/runtime-function.cc

 // Copyright 2014 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/runtime/runtime-utils.h"
 
 #include "src/accessors.h"
 #include "src/arguments.h"
 #include "src/compiler.h"
 #include "src/cpu-profiler.h"
@@ skipping 476 matching lines @@
          !Handle<JSFunction>::cast(bound_function)->shared()->bound());
 
   int total_argc = 0;
   base::SmartArrayPointer<Handle<Object>> param_data =
       Runtime::GetCallerArguments(isolate, bound_argc, &total_argc);
   for (int i = 0; i < bound_argc; i++) {
     param_data[i] = Handle<Object>(
         bound_args->get(JSFunction::kBoundArgumentsStartIndex + i), isolate);
   }
 
-  if (!bound_function->IsJSFunction()) {
-    ASSIGN_RETURN_FAILURE_ON_EXCEPTION(
-        isolate, bound_function,
-        Execution::GetConstructorDelegate(isolate, bound_function));
-  }
-  DCHECK(bound_function->IsJSFunction());
-
   Handle<Object> result;
   ASSIGN_RETURN_FAILURE_ON_EXCEPTION(
-      isolate, result, Execution::New(Handle<JSFunction>::cast(bound_function),
+      isolate, result, Execution::New(isolate, bound_function, bound_function,
                                       total_argc, param_data.get()));
   return *result;
 }
 
 
 RUNTIME_FUNCTION(Runtime_Call) {
   HandleScope scope(isolate);
   DCHECK_LE(2, args.length());
   int const argc = args.length() - 2;
   CONVERT_ARG_HANDLE_CHECKED(JSReceiver, target, 0);
@@ skipping 40 matching lines @@
         isolate, argv[i], Object::GetElement(isolate, arguments, offset + i));
   }
 
   Handle<Object> result;
   ASSIGN_RETURN_FAILURE_ON_EXCEPTION(
       isolate, result, Execution::Call(isolate, fun, receiver, argc, argv));
   return *result;
 }
 
 
-RUNTIME_FUNCTION(Runtime_GetFunctionDelegate) {
-  HandleScope scope(isolate);
-  DCHECK(args.length() == 1);
-  CONVERT_ARG_HANDLE_CHECKED(Object, object, 0);
-  RUNTIME_ASSERT(!object->IsJSFunction());
-  Handle<JSFunction> result;
-  ASSIGN_RETURN_FAILURE_ON_EXCEPTION(
-      isolate, result, Execution::GetFunctionDelegate(isolate, object));
-  return *result;
-}
-
-
-RUNTIME_FUNCTION(Runtime_GetConstructorDelegate) {
-  HandleScope scope(isolate);
-  DCHECK(args.length() == 1);
-  CONVERT_ARG_HANDLE_CHECKED(Object, object, 0);
-  RUNTIME_ASSERT(!object->IsJSFunction());
-  Handle<JSFunction> result;
-  ASSIGN_RETURN_FAILURE_ON_EXCEPTION(
-      isolate, result, Execution::GetConstructorDelegate(isolate, object));
-  return *result;
-}
-
-
 RUNTIME_FUNCTION(Runtime_GetOriginalConstructor) {
   SealHandleScope shs(isolate);
   DCHECK(args.length() == 0);
   JavaScriptFrameIterator it(isolate);
   JavaScriptFrame* frame = it.frame();
   return frame->IsConstructor() ? frame->GetOriginalConstructor()
                                 : isolate->heap()->undefined_value();
 }
 
 
@@ skipping 48 matching lines @@
 
 
 RUNTIME_FUNCTION(Runtime_ThrowStrongModeTooFewArguments) {
   HandleScope scope(isolate);
   DCHECK(args.length() == 0);
   THROW_NEW_ERROR_RETURN_FAILURE(isolate,
                                  NewTypeError(MessageTemplate::kStrongArity));
 }
 }  // namespace internal
 }  // namespace v8