1  /*
 2   * Copyright (C) 2020 Sony Interactive Entertainment Inc.
 3   *
 4   * Redistribution and use in source and binary forms, with or without
 5   * modification, are permitted provided that the following conditions
 6   * are met:
 7   * 1. Redistributions of source code must retain the above copyright
 8   *    notice, this list of conditions and the following disclaimer.
 9   * 2. Redistributions in binary form must reproduce the above copyright
10   *    notice, this list of conditions and the following disclaimer in the
11   *    documentation and/or other materials provided with the distribution.
12   *
13   * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
14   * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
15   * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16   * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
17   * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
18   * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
19   * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
20   * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
21   * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
22   * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
23   * THE POSSIBILITY OF SUCH DAMAGE.
24   */
25  
26  #include "config.h"
27  #include "IntlLocaleConstructor.h"
28  
29  #include "IntlLocale.h"
30  #include "IntlLocalePrototype.h"
31  #include "JSCInlines.h"
32  
33  namespace JSC {
34  
35  STATIC_ASSERT_IS_TRIVIALLY_DESTRUCTIBLE(IntlLocaleConstructor);
36  
37  const ClassInfo IntlLocaleConstructor::s_info = { "Function", &Base::s_info, nullptr, nullptr, CREATE_METHOD_TABLE(IntlLocaleConstructor) };
38  
39  IntlLocaleConstructor* IntlLocaleConstructor::create(VM& vm, Structure* structure, IntlLocalePrototype* localePrototype)
40  {
41      auto* constructor = new (NotNull, allocateCell<IntlLocaleConstructor>(vm.heap)) IntlLocaleConstructor(vm, structure);
42      constructor->finishCreation(vm, localePrototype);
43      return constructor;
44  }
45  
46  Structure* IntlLocaleConstructor::createStructure(VM& vm, JSGlobalObject* globalObject, JSValue prototype)
47  {
48      return Structure::create(vm, globalObject, prototype, TypeInfo(InternalFunctionType, StructureFlags), info());
49  }
50  
51  static JSC_DECLARE_HOST_FUNCTION(callIntlLocale);
52  static JSC_DECLARE_HOST_FUNCTION(constructIntlLocale);
53  
54  IntlLocaleConstructor::IntlLocaleConstructor(VM& vm, Structure* structure)
55      : Base(vm, structure, callIntlLocale, constructIntlLocale)
56  {
57  }
58  
59  void IntlLocaleConstructor::finishCreation(VM& vm, IntlLocalePrototype* localePrototype)
60  {
61      Base::finishCreation(vm, 1, "Locale"_s, PropertyAdditionMode::WithoutStructureTransition);
62      putDirectWithoutTransition(vm, vm.propertyNames->prototype, localePrototype, PropertyAttribute::DontEnum | PropertyAttribute::DontDelete | PropertyAttribute::ReadOnly);
63      localePrototype->putDirectWithoutTransition(vm, vm.propertyNames->constructor, this, static_cast<unsigned>(PropertyAttribute::DontEnum));
64  }
65  
66  // https://tc39.es/ecma402/#sec-Intl.Locale
67  JSC_DEFINE_HOST_FUNCTION(constructIntlLocale, (JSGlobalObject* globalObject, CallFrame* callFrame))
68  {
69      VM& vm = globalObject->vm();
70      auto scope = DECLARE_THROW_SCOPE(vm);
71  
72      JSObject* newTarget = asObject(callFrame->newTarget());
73      Structure* structure = newTarget == callFrame->jsCallee()
74          ? globalObject->localeStructure()
75          : InternalFunction::createSubclassStructure(globalObject, newTarget, getFunctionRealm(vm, newTarget)->localeStructure());
76      RETURN_IF_EXCEPTION(scope, { });
77  
78      IntlLocale* locale = IntlLocale::create(vm, structure);
79      ASSERT(locale);
80  
81      JSValue tag = callFrame->argument(0);
82      if (!tag.isString() && !tag.isObject())
83          return throwVMTypeError(globalObject, scope, "First argument to Intl.Locale must be a string or an object"_s);
84  
85      scope.release();
86      locale->initializeLocale(globalObject, tag, callFrame->argument(1));
87      return JSValue::encode(locale);
88  }
89  
90  // https://tc39.es/ecma402/#sec-Intl.Locale
91  JSC_DEFINE_HOST_FUNCTION(callIntlLocale, (JSGlobalObject* globalObject, CallFrame*))
92  {
93      VM& vm = globalObject->vm();
94      auto scope = DECLARE_THROW_SCOPE(vm);
95  
96      return JSValue::encode(throwConstructorCannotBeCalledAsFunctionTypeError(globalObject, scope, "Locale"));
97  }
98  
99  } // namespace JSC