webkitgtk-2.16.5HEADwebkitgtk-2.16.5master

1 files changed, 169 insertions, 0 deletions

diff --git a/Source/JavaScriptCore/runtime/IntlDateTimeFormatConstructor.cpp b/Source/JavaScriptCore/runtime/IntlDateTimeFormatConstructor.cpp
new file mode 100644
index 000000000..7f5797524
--- /dev/null
+++ b/Source/JavaScriptCore/runtime/IntlDateTimeFormatConstructor.cpp
@@ -0,0 +1,169 @@
+/*
+ * Copyright (C) 2015 Andy VanWagoner (thetalecrafter@gmail.com)
+ * 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.
+ */
+
+#include "config.h"
+#include "IntlDateTimeFormatConstructor.h"
+
+#if ENABLE(INTL)
+
+#include "Error.h"
+#include "IntlDateTimeFormat.h"
+#include "IntlDateTimeFormatPrototype.h"
+#include "IntlObject.h"
+#include "IntlObjectInlines.h"
+#include "JSCInlines.h"
+#include "Lookup.h"
+
+namespace JSC {
+
+STATIC_ASSERT_IS_TRIVIALLY_DESTRUCTIBLE(IntlDateTimeFormatConstructor);
+
+static EncodedJSValue JSC_HOST_CALL IntlDateTimeFormatConstructorFuncSupportedLocalesOf(ExecState*);
+
+}
+
+#include "IntlDateTimeFormatConstructor.lut.h"
+
+namespace JSC {
+
+const ClassInfo IntlDateTimeFormatConstructor::s_info = { "Function", &InternalFunction::s_info, &dateTimeFormatConstructorTable, CREATE_METHOD_TABLE(IntlDateTimeFormatConstructor) };
+
+/* Source for IntlDateTimeFormatConstructor.lut.h
+@begin dateTimeFormatConstructorTable
+  supportedLocalesOf             IntlDateTimeFormatConstructorFuncSupportedLocalesOf             DontEnum|Function 1
+@end
+*/
+
+IntlDateTimeFormatConstructor* IntlDateTimeFormatConstructor::create(VM& vm, Structure* structure, IntlDateTimeFormatPrototype* dateTimeFormatPrototype, Structure* dateTimeFormatStructure)
+{
+    IntlDateTimeFormatConstructor* constructor = new (NotNull, allocateCell<IntlDateTimeFormatConstructor>(vm.heap)) IntlDateTimeFormatConstructor(vm, structure);
+    constructor->finishCreation(vm, dateTimeFormatPrototype, dateTimeFormatStructure);
+    return constructor;
+}
+
+Structure* IntlDateTimeFormatConstructor::createStructure(VM& vm, JSGlobalObject* globalObject, JSValue prototype)
+{
+    return Structure::create(vm, globalObject, prototype, TypeInfo(ObjectType, StructureFlags), info());
+}
+
+IntlDateTimeFormatConstructor::IntlDateTimeFormatConstructor(VM& vm, Structure* structure)
+    : InternalFunction(vm, structure)
+{
+}
+
+void IntlDateTimeFormatConstructor::finishCreation(VM& vm, IntlDateTimeFormatPrototype* dateTimeFormatPrototype, Structure* dateTimeFormatStructure)
+{
+    Base::finishCreation(vm, ASCIILiteral("DateTimeFormat"));
+    putDirectWithoutTransition(vm, vm.propertyNames->prototype, dateTimeFormatPrototype, DontEnum | DontDelete | ReadOnly);
+    putDirectWithoutTransition(vm, vm.propertyNames->length, jsNumber(0), ReadOnly | DontEnum | DontDelete);
+    m_dateTimeFormatStructure.set(vm, this, dateTimeFormatStructure);
+}
+
+static EncodedJSValue JSC_HOST_CALL constructIntlDateTimeFormat(ExecState* state)
+{
+    VM& vm = state->vm();
+    auto scope = DECLARE_THROW_SCOPE(vm);
+    // 12.1.2 Intl.DateTimeFormat ([locales [, options]]) (ECMA-402 2.0)
+    // 1. If NewTarget is undefined, let newTarget be the active function object, else let newTarget be NewTarget.
+    // 2. Let dateTimeFormat be OrdinaryCreateFromConstructor(newTarget, %DateTimeFormatPrototype%).
+    // 3. ReturnIfAbrupt(dateTimeFormat).
+    Structure* structure = InternalFunction::createSubclassStructure(state, state->newTarget(), jsCast<IntlDateTimeFormatConstructor*>(state->jsCallee())->dateTimeFormatStructure());
+    RETURN_IF_EXCEPTION(scope, encodedJSValue());
+    IntlDateTimeFormat* dateTimeFormat = IntlDateTimeFormat::create(vm, structure);
+    ASSERT(dateTimeFormat);
+
+    // 4. Return InitializeDateTimeFormat(dateTimeFormat, locales, options).
+    scope.release();
+    dateTimeFormat->initializeDateTimeFormat(*state, state->argument(0), state->argument(1));
+    return JSValue::encode(dateTimeFormat);
+}
+
+static EncodedJSValue JSC_HOST_CALL callIntlDateTimeFormat(ExecState* state)
+{
+    // 12.1.2 Intl.DateTimeFormat ([locales [, options]]) (ECMA-402 2.0)
+    // 1. If NewTarget is undefined, let newTarget be the active function object, else let newTarget be NewTarget.
+    // NewTarget is always undefined when called as a function.
+
+    IntlDateTimeFormatConstructor* callee = jsCast<IntlDateTimeFormatConstructor*>(state->jsCallee());
+
+    // FIXME: Workaround to provide compatibility with ECMA-402 1.0 call/apply patterns.
+    // https://bugs.webkit.org/show_bug.cgi?id=153679
+    return JSValue::encode(constructIntlInstanceWithWorkaroundForLegacyIntlConstructor<IntlDateTimeFormat>(*state, state->thisValue(), callee, [&] (VM& vm) {
+        // 2. Let dateTimeFormat be OrdinaryCreateFromConstructor(newTarget, %DateTimeFormatPrototype%).
+        // 3. ReturnIfAbrupt(dateTimeFormat).
+        IntlDateTimeFormat* dateTimeFormat = IntlDateTimeFormat::create(vm, callee->dateTimeFormatStructure());
+        ASSERT(dateTimeFormat);
+
+        // 4. Return InitializeDateTimeFormat(dateTimeFormat, locales, options).
+        dateTimeFormat->initializeDateTimeFormat(*state, state->argument(0), state->argument(1));
+        return dateTimeFormat;
+    }));
+}
+
+ConstructType IntlDateTimeFormatConstructor::getConstructData(JSCell*, ConstructData& constructData)
+{
+    constructData.native.function = constructIntlDateTimeFormat;
+    return ConstructType::Host;
+}
+
+CallType IntlDateTimeFormatConstructor::getCallData(JSCell*, CallData& callData)
+{
+    callData.native.function = callIntlDateTimeFormat;
+    return CallType::Host;
+}
+
+EncodedJSValue JSC_HOST_CALL IntlDateTimeFormatConstructorFuncSupportedLocalesOf(ExecState* state)
+{
+    VM& vm = state->vm();
+    auto scope = DECLARE_THROW_SCOPE(vm);
+    // 12.2.2 Intl.DateTimeFormat.supportedLocalesOf(locales [, options]) (ECMA-402 2.0)
+
+    // 1. Let availableLocales be %DateTimeFormat%.[[availableLocales]].
+    JSGlobalObject* globalObject = state->jsCallee()->globalObject();
+    const HashSet<String> availableLocales = globalObject->intlDateTimeFormatAvailableLocales();
+
+    // 2. Let requestedLocales be CanonicalizeLocaleList(locales).
+    Vector<String> requestedLocales = canonicalizeLocaleList(*state, state->argument(0));
+    RETURN_IF_EXCEPTION(scope, encodedJSValue());
+
+    // 3. Return SupportedLocales(availableLocales, requestedLocales, options).
+    scope.release();
+    return JSValue::encode(supportedLocales(*state, availableLocales, requestedLocales, state->argument(1)));
+}
+
+void IntlDateTimeFormatConstructor::visitChildren(JSCell* cell, SlotVisitor& visitor)
+{
+    IntlDateTimeFormatConstructor* thisObject = jsCast<IntlDateTimeFormatConstructor*>(cell);
+    ASSERT_GC_OBJECT_INHERITS(thisObject, info());
+
+    Base::visitChildren(thisObject, visitor);
+
+    visitor.append(thisObject->m_dateTimeFormatStructure);
+}
+
+} // namespace JSC
+
+#endif // ENABLE(INTL)