[builtins] implement Array.prototype[@@iterator] in TFJ builtins

src/objects-debug.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/objects.h"
 
 #include "src/bootstrapper.h"
 #include "src/disasm.h"
 #include "src/disassembler.h"
 #include "src/field-type.h"
@@ skipping 140 matching lines @@
       break;
     case JS_MAP_TYPE:
       JSMap::cast(this)->JSMapVerify();
       break;
     case JS_SET_ITERATOR_TYPE:
       JSSetIterator::cast(this)->JSSetIteratorVerify();
       break;
     case JS_MAP_ITERATOR_TYPE:
       JSMapIterator::cast(this)->JSMapIteratorVerify();
       break;
+    case JS_TYPED_ARRAY_KEY_ITERATOR_TYPE:
+    case JS_FAST_ARRAY_KEY_ITERATOR_TYPE:
+    case JS_GENERIC_ARRAY_KEY_ITERATOR_TYPE:
+    case JS_UINT8_ARRAY_KEY_VALUE_ITERATOR_TYPE:
+    case JS_INT8_ARRAY_KEY_VALUE_ITERATOR_TYPE:
+    case JS_UINT16_ARRAY_KEY_VALUE_ITERATOR_TYPE:
+    case JS_INT16_ARRAY_KEY_VALUE_ITERATOR_TYPE:
+    case JS_UINT32_ARRAY_KEY_VALUE_ITERATOR_TYPE:
+    case JS_INT32_ARRAY_KEY_VALUE_ITERATOR_TYPE:
+    case JS_FLOAT32_ARRAY_KEY_VALUE_ITERATOR_TYPE:
+    case JS_FLOAT64_ARRAY_KEY_VALUE_ITERATOR_TYPE:
+    case JS_UINT8_CLAMPED_ARRAY_KEY_VALUE_ITERATOR_TYPE:
+    case JS_FAST_ARRAY_KEY_VALUE_ITERATOR_TYPE:
+    case JS_FAST_HOLEY_ARRAY_KEY_VALUE_ITERATOR_TYPE:
+    case JS_FAST_SMI_ARRAY_KEY_VALUE_ITERATOR_TYPE:
+    case JS_FAST_HOLEY_SMI_ARRAY_KEY_VALUE_ITERATOR_TYPE:
+    case JS_FAST_DOUBLE_ARRAY_KEY_VALUE_ITERATOR_TYPE:
+    case JS_FAST_HOLEY_DOUBLE_ARRAY_KEY_VALUE_ITERATOR_TYPE:
+    case JS_GENERIC_ARRAY_KEY_VALUE_ITERATOR_TYPE:
+    case JS_UINT8_ARRAY_VALUE_ITERATOR_TYPE:
+    case JS_INT8_ARRAY_VALUE_ITERATOR_TYPE:
+    case JS_UINT16_ARRAY_VALUE_ITERATOR_TYPE:
+    case JS_INT16_ARRAY_VALUE_ITERATOR_TYPE:
+    case JS_UINT32_ARRAY_VALUE_ITERATOR_TYPE:
+    case JS_INT32_ARRAY_VALUE_ITERATOR_TYPE:
+    case JS_FLOAT32_ARRAY_VALUE_ITERATOR_TYPE:
+    case JS_FLOAT64_ARRAY_VALUE_ITERATOR_TYPE:
+    case JS_UINT8_CLAMPED_ARRAY_VALUE_ITERATOR_TYPE:
+    case JS_FAST_ARRAY_VALUE_ITERATOR_TYPE:
+    case JS_FAST_HOLEY_ARRAY_VALUE_ITERATOR_TYPE:
+    case JS_FAST_SMI_ARRAY_VALUE_ITERATOR_TYPE:
+    case JS_FAST_HOLEY_SMI_ARRAY_VALUE_ITERATOR_TYPE:
+    case JS_FAST_DOUBLE_ARRAY_VALUE_ITERATOR_TYPE:
+    case JS_FAST_HOLEY_DOUBLE_ARRAY_VALUE_ITERATOR_TYPE:
+    case JS_GENERIC_ARRAY_VALUE_ITERATOR_TYPE:
+      JSArrayIterator::cast(this)->JSArrayIteratorVerify();
+      break;
+
     case JS_STRING_ITERATOR_TYPE:
       JSStringIterator::cast(this)->JSStringIteratorVerify();
       break;
     case JS_WEAK_MAP_TYPE:
       JSWeakMap::cast(this)->JSWeakMapVerify();
       break;
     case JS_WEAK_SET_TYPE:
       JSWeakSet::cast(this)->JSWeakSetVerify();
       break;
     case JS_REGEXP_TYPE:
@@ skipping 610 matching lines @@
 }
 
 
 void JSWeakMap::JSWeakMapVerify() {
   CHECK(IsJSWeakMap());
   JSObjectVerify();
   VerifyHeapPointer(table());
   CHECK(table()->IsHashTable() || table()->IsUndefined(GetIsolate()));
 }
 
+void JSArrayIterator::JSArrayIteratorVerify() {
+  CHECK(IsJSArrayIterator());
+  JSObjectVerify();
+  CHECK(object()->IsJSReceiver() || object()->IsUndefined(GetIsolate()));
+
+  CHECK_GE(index()->Number(), 0);
+  CHECK_LE(index()->Number(), kMaxSafeInteger);
+  CHECK(object_map()->IsMap() || object_map()->IsUndefined(GetIsolate()));
+}
+
 void JSStringIterator::JSStringIteratorVerify() {
   CHECK(IsJSStringIterator());
   JSObjectVerify();
   CHECK(string()->IsString());
 
   CHECK_GE(index(), 0);
   CHECK_LE(index(), String::kMaxLength);
 }
 
 void JSWeakSet::JSWeakSetVerify() {
@@ skipping 609 matching lines @@
 
   // Both are done at the same time.
   CHECK_EQ(new_it.done(), old_it.done());
 }
 
 
 #endif  // DEBUG
 
 }  // namespace internal
 }  // namespace v8