webkitgtk-2.16.5HEADwebkitgtk-2.16.5master

1 files changed, 66 insertions, 0 deletions

diff --git a/Source/JavaScriptCore/runtime/IntlObjectInlines.h b/Source/JavaScriptCore/runtime/IntlObjectInlines.h
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index 000000000..6bbd000e6
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+++ b/Source/JavaScriptCore/runtime/IntlObjectInlines.h
@@ -0,0 +1,66 @@
+/*
+ * Copyright (C) 2016 Yusuke Suzuki <yusuke.suzuki@sslab.ics.keio.ac.jp>
+ * Copyright (C) 2016 Apple Inc. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
+ * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
+ * THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#pragma once
+
+#if ENABLE(INTL)
+
+#include "BuiltinNames.h"
+#include "IntlObject.h"
+#include "JSObject.h"
+
+namespace JSC {
+
+template<typename IntlInstance, typename Constructor, typename Factory>
+JSValue constructIntlInstanceWithWorkaroundForLegacyIntlConstructor(ExecState& state, JSValue thisValue, Constructor* callee, Factory factory)
+{
+    // FIXME: Workaround to provide compatibility with ECMA-402 1.0 call/apply patterns.
+    // https://bugs.webkit.org/show_bug.cgi?id=153679
+    VM& vm = state.vm();
+    auto scope = DECLARE_THROW_SCOPE(vm);
+
+    if (!jsDynamicCast<IntlInstance*>(vm, thisValue)) {
+        JSValue prototype = callee->getDirect(vm, vm.propertyNames->prototype);
+        bool hasInstance = JSObject::defaultHasInstance(&state, thisValue, prototype);
+        RETURN_IF_EXCEPTION(scope, JSValue());
+        if (hasInstance) {
+            JSObject* thisObject = thisValue.toObject(&state);
+            RETURN_IF_EXCEPTION(scope, JSValue());
+
+            IntlInstance* instance = factory(vm);
+            RETURN_IF_EXCEPTION(scope, JSValue());
+
+            thisObject->putDirect(vm, vm.propertyNames->builtinNames().intlSubstituteValuePrivateName(), instance);
+            return thisObject;
+        }
+    }
+    scope.release();
+    return factory(vm);
+}
+
+} // namespace JSC
+
+#endif // ENABLE(INTL)