Upgrade V8 to version 4.9.385.28
https://chromium.googlesource.com/v8/v8/+/4.9.385.28
FPIIM-449
Change-Id: I4b2e74289d4bf3667f2f3dc8aa2e541f63e26eb4
diff --git a/src/runtime/runtime-forin.cc b/src/runtime/runtime-forin.cc
new file mode 100644
index 0000000..ff6804c
--- /dev/null
+++ b/src/runtime/runtime-forin.cc
@@ -0,0 +1,76 @@
+// 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/runtime/runtime-utils.h"
+
+#include "src/arguments.h"
+#include "src/objects-inl.h"
+
+namespace v8 {
+namespace internal {
+
+RUNTIME_FUNCTION(Runtime_ForInDone) {
+ SealHandleScope scope(isolate);
+ DCHECK_EQ(2, args.length());
+ CONVERT_SMI_ARG_CHECKED(index, 0);
+ CONVERT_SMI_ARG_CHECKED(length, 1);
+ DCHECK_LE(0, index);
+ DCHECK_LE(index, length);
+ return isolate->heap()->ToBoolean(index == length);
+}
+
+
+RUNTIME_FUNCTION(Runtime_ForInFilter) {
+ HandleScope scope(isolate);
+ DCHECK_EQ(2, args.length());
+ CONVERT_ARG_HANDLE_CHECKED(JSReceiver, receiver, 0);
+ CONVERT_ARG_HANDLE_CHECKED(Object, key, 1);
+ // TODO(turbofan): Fast case for array indices.
+ Handle<Name> name;
+ if (!Object::ToName(isolate, key).ToHandle(&name)) {
+ return isolate->heap()->exception();
+ }
+ Maybe<bool> result = JSReceiver::HasProperty(receiver, name);
+ if (!result.IsJust()) return isolate->heap()->exception();
+ if (result.FromJust()) return *name;
+ return isolate->heap()->undefined_value();
+}
+
+
+RUNTIME_FUNCTION(Runtime_ForInNext) {
+ HandleScope scope(isolate);
+ DCHECK_EQ(4, args.length());
+ CONVERT_ARG_HANDLE_CHECKED(JSReceiver, receiver, 0);
+ CONVERT_ARG_HANDLE_CHECKED(FixedArray, cache_array, 1);
+ CONVERT_ARG_HANDLE_CHECKED(Object, cache_type, 2);
+ CONVERT_SMI_ARG_CHECKED(index, 3);
+ Handle<Object> key = handle(cache_array->get(index), isolate);
+ // Don't need filtering if expected map still matches that of the receiver,
+ // and neither for proxies.
+ if (receiver->map() == *cache_type || *cache_type == Smi::FromInt(0)) {
+ return *key;
+ }
+ // TODO(turbofan): Fast case for array indices.
+ Handle<Name> name;
+ if (!Object::ToName(isolate, key).ToHandle(&name)) {
+ return isolate->heap()->exception();
+ }
+ Maybe<bool> result = JSReceiver::HasProperty(receiver, name);
+ if (!result.IsJust()) return isolate->heap()->exception();
+ if (result.FromJust()) return *name;
+ return isolate->heap()->undefined_value();
+}
+
+
+RUNTIME_FUNCTION(Runtime_ForInStep) {
+ SealHandleScope scope(isolate);
+ DCHECK_EQ(1, args.length());
+ CONVERT_SMI_ARG_CHECKED(index, 0);
+ DCHECK_LE(0, index);
+ DCHECK_LT(index, Smi::kMaxValue);
+ return Smi::FromInt(index + 1);
+}
+
+} // namespace internal
+} // namespace v8