Revert of [es6] Correct Function.prototype.apply, Reflect.construct and Reflect.apply.

src/objects.cc

 // Copyright 2015 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 655 matching lines @@
   if (!func->IsCallable()) {
     THROW_NEW_ERROR(isolate, NewTypeError(MessageTemplate::kPropertyNotFunction,
                                           func, name, receiver),
                     Object);
   }
   return func;
 }
 
 
 // static
-MaybeHandle<FixedArray> Object::CreateListFromArrayLike(
-    Isolate* isolate, Handle<Object> object, ElementTypes element_types) {
-  // 1. ReturnIfAbrupt(object).
-  // 2. (default elementTypes -- not applicable.)
-  // 3. If Type(obj) is not Object, throw a TypeError exception.
-  if (!object->IsJSReceiver()) {
-    THROW_NEW_ERROR(isolate,
-                    NewTypeError(MessageTemplate::kCalledOnNonObject,
-                                 isolate->factory()->NewStringFromAsciiChecked(
-                                     "CreateListFromArrayLike")),
-                    FixedArray);
-  }
-  // 4. Let len be ? ToLength(? Get(obj, "length")).
-  Handle<Object> raw_length_obj;
-  ASSIGN_RETURN_ON_EXCEPTION(
-      isolate, raw_length_obj,
-      JSReceiver::GetProperty(object, isolate->factory()->length_string()),
-      FixedArray);
-  Handle<Object> raw_length_number;
-  ASSIGN_RETURN_ON_EXCEPTION(isolate, raw_length_number,
-                             Object::ToLength(isolate, raw_length_obj),
-                             FixedArray);
-  uint32_t len;
-  if (!raw_length_number->ToUint32(&len) ||
-      len > static_cast<uint32_t>(FixedArray::kMaxLength)) {
-    THROW_NEW_ERROR(isolate,
-                    NewRangeError(MessageTemplate::kInvalidArrayLength),
-                    FixedArray);
-  }
-  // 5. Let list be an empty List.
-  Handle<FixedArray> list = isolate->factory()->NewFixedArray(len);
-  // 6. Let index be 0.
-  // 7. Repeat while index < len:
-  for (uint32_t index = 0; index < len; ++index) {
-    // 7a. Let indexName be ToString(index).
-    // 7b. Let next be ? Get(obj, indexName).
-    Handle<Object> next;
-    ASSIGN_RETURN_ON_EXCEPTION(
-        isolate, next, Object::GetElement(isolate, object, index), FixedArray);
-    switch (element_types) {
-      case ElementTypes::kAll:
-        // Nothing to do.
-        break;
-      case ElementTypes::kStringAndSymbol: {
-        // 7c. If Type(next) is not an element of elementTypes, throw a
-        //     TypeError exception.
-        if (!next->IsName()) {
-          THROW_NEW_ERROR(isolate,
-                          NewTypeError(MessageTemplate::kNotPropertyName, next),
-                          FixedArray);
-        }
-        // 7d. Append next as the last element of list.
-        // Internalize on the fly so we can use pointer identity later.
-        next = isolate->factory()->InternalizeName(Handle<Name>::cast(next));
-        break;
-      }
-    }
-    list->set(index, *next);
-    // 7e. Set index to index + 1. (See loop header.)
-  }
-  // 8. Return list.
-  return list;
-}
-
-
-// static
 Maybe<bool> JSReceiver::HasProperty(LookupIterator* it) {
   for (; it->IsFound(); it->Next()) {
     switch (it->state()) {
       case LookupIterator::NOT_FOUND:
       case LookupIterator::TRANSITION:
         UNREACHABLE();
       case LookupIterator::JSPROXY:
         // Call the "has" trap on proxies.
         return JSProxy::HasProperty(it->isolate(), it->GetHolder<JSProxy>(),
                                     it->GetName());
@@ skipping 7777 matching lines @@
       Execution::Call(isolate, isolate->proxy_enumerate(),
                       isolate->factory()->undefined_value(), arraysize(args),
                       args),
       Nothing<bool>());
   accumulator->NextPrototype();
   accumulator->AddKeysFromProxy(Handle<JSObject>::cast(trap_result_array));
   return Just(true);
 }
 
 
+// ES6 7.3.17 for elementTypes = (String, Symbol)
+static MaybeHandle<FixedArray> CreateListFromArrayLike_StringSymbol(
+    Isolate* isolate, Handle<Object> object) {
+  // 1. ReturnIfAbrupt(object).
+  // 2. (default elementTypes -- not applicable.)
+  // 3. If Type(obj) is not Object, throw a TypeError exception.
+  if (!object->IsJSReceiver()) {
+    isolate->Throw(*isolate->factory()->NewTypeError(
+        MessageTemplate::kCalledOnNonObject,
+        isolate->factory()->NewStringFromAsciiChecked(
+            "CreateListFromArrayLike")));
+    return MaybeHandle<FixedArray>();
+  }
+  // 4. Let len be ? ToLength(? Get(obj, "length")).
+  Handle<Object> raw_length_obj;
+  ASSIGN_RETURN_ON_EXCEPTION(
+      isolate, raw_length_obj,
+      JSReceiver::GetProperty(object, isolate->factory()->length_string()),
+      FixedArray);
+  Handle<Object> raw_length_number;
+  ASSIGN_RETURN_ON_EXCEPTION(isolate, raw_length_number,
+                             Object::ToLength(isolate, raw_length_obj),
+                             FixedArray);
+  uint32_t len;
+  if (!raw_length_number->ToUint32(&len) ||
+      len > static_cast<uint32_t>(FixedArray::kMaxLength)) {
+    isolate->Throw(*isolate->factory()->NewRangeError(
+        MessageTemplate::kInvalidArrayLength));
+    return MaybeHandle<FixedArray>();
+  }
+  // 5. Let list be an empty List.
+  Handle<FixedArray> list = isolate->factory()->NewFixedArray(len);
+  // 6. Let index be 0.
+  // 7. Repeat while index < len:
+  for (uint32_t index = 0; index < len; ++index) {
+    // 7a. Let indexName be ToString(index).
+    // 7b. Let next be ? Get(obj, indexName).
+    Handle<Object> next;
+    ASSIGN_RETURN_ON_EXCEPTION(
+        isolate, next, Object::GetElement(isolate, object, index), FixedArray);
+    // 7c. If Type(next) is not an element of elementTypes, throw a
+    //     TypeError exception.
+    if (!next->IsName()) {
+      isolate->Throw(*isolate->factory()->NewTypeError(
+          MessageTemplate::kNotPropertyName, next));
+      return MaybeHandle<FixedArray>();
+    }
+    // 7d. Append next as the last element of list.
+    // Internalize on the fly so we can use pointer identity later.
+    next = isolate->factory()->InternalizeName(Handle<Name>::cast(next));
+    list->set(index, *next);
+    // 7e. Set index to index + 1. (See loop header.)
+  }
+  // 8. Return list.
+  return list;
+}
+
+
 // ES6 9.5.12
 // Returns |true| on success, |nothing| in case of exception.
 // static
 Maybe<bool> JSProxy::OwnPropertyKeys(Isolate* isolate,
                                      Handle<JSReceiver> receiver,
                                      Handle<JSProxy> proxy,
                                      PropertyFilter filter,
                                      KeyAccumulator* accumulator) {
   STACK_CHECK(Nothing<bool>());
   // 1. Let handler be the value of the [[ProxyHandler]] internal slot of O.
@@ skipping 24 matching lines @@
   Handle<Object> args[] = {target};
   ASSIGN_RETURN_ON_EXCEPTION_VALUE(
       isolate, trap_result_array,
       Execution::Call(isolate, trap, handler, arraysize(args), args),
       Nothing<bool>());
   // 8. Let trapResult be ? CreateListFromArrayLike(trapResultArray,
   //    «String, Symbol»).
   Handle<FixedArray> trap_result;
   ASSIGN_RETURN_ON_EXCEPTION_VALUE(
       isolate, trap_result,
-      Object::CreateListFromArrayLike(isolate, trap_result_array,
-                                      ElementTypes::kStringAndSymbol),
+      CreateListFromArrayLike_StringSymbol(isolate, trap_result_array),
       Nothing<bool>());
   // 9. Let extensibleTarget be ? IsExtensible(target).
   Maybe<bool> maybe_extensible = JSReceiver::IsExtensible(target);
   MAYBE_RETURN(maybe_extensible, Nothing<bool>());
   bool extensible_target = maybe_extensible.FromJust();
   // 10. Let targetKeys be ? target.[[OwnPropertyKeys]]().
   Handle<FixedArray> target_keys;
   ASSIGN_RETURN_ON_EXCEPTION_VALUE(isolate, target_keys,
                                    JSReceiver::OwnPropertyKeys(target),
                                    Nothing<bool>());
@@ skipping 10770 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