1  /*
  2   * Copyright (C) 2015 Andy VanWagoner (andy@vanwagoner.family)
  3   * Copyright (C) 2016-2019 Apple Inc. All rights reserved.
  4   *
  5   * Redistribution and use in source and binary forms, with or without
  6   * modification, are permitted provided that the following conditions
  7   * are met:
  8   * 1. Redistributions of source code must retain the above copyright
  9   *    notice, this list of conditions and the following disclaimer.
 10   * 2. Redistributions in binary form must reproduce the above copyright
 11   *    notice, this list of conditions and the following disclaimer in the
 12   *    documentation and/or other materials provided with the distribution.
 13   *
 14   * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
 15   * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
 16   * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 17   * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
 18   * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 19   * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 20   * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 21   * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 22   * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 23   * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
 24   * THE POSSIBILITY OF SUCH DAMAGE.
 25   */
 26  
 27  #include "config.h"
 28  #include "IntlNumberFormatPrototype.h"
 29  
 30  #include "BuiltinNames.h"
 31  #include "IntlNumberFormatInlines.h"
 32  #include "JSBoundFunction.h"
 33  #include "JSCInlines.h"
 34  
 35  namespace JSC {
 36  
 37  static JSC_DECLARE_HOST_FUNCTION(IntlNumberFormatPrototypeGetterFormat);
 38  static JSC_DECLARE_HOST_FUNCTION(IntlNumberFormatPrototypeFuncFormatToParts);
 39  static JSC_DECLARE_HOST_FUNCTION(IntlNumberFormatPrototypeFuncResolvedOptions);
 40  static JSC_DECLARE_HOST_FUNCTION(IntlNumberFormatFuncFormat);
 41  
 42  }
 43  
 44  #include "IntlNumberFormatPrototype.lut.h"
 45  
 46  namespace JSC {
 47  
 48  const ClassInfo IntlNumberFormatPrototype::s_info = { "Intl.NumberFormat", &Base::s_info, &numberFormatPrototypeTable, nullptr, CREATE_METHOD_TABLE(IntlNumberFormatPrototype) };
 49  
 50  /* Source for IntlNumberFormatPrototype.lut.h
 51  @begin numberFormatPrototypeTable
 52    format           IntlNumberFormatPrototypeGetterFormat         DontEnum|Accessor
 53    formatToParts    IntlNumberFormatPrototypeFuncFormatToParts    DontEnum|Function 1
 54    resolvedOptions  IntlNumberFormatPrototypeFuncResolvedOptions  DontEnum|Function 0
 55  @end
 56  */
 57  
 58  IntlNumberFormatPrototype* IntlNumberFormatPrototype::create(VM& vm, JSGlobalObject*, Structure* structure)
 59  {
 60      IntlNumberFormatPrototype* object = new (NotNull, allocateCell<IntlNumberFormatPrototype>(vm.heap)) IntlNumberFormatPrototype(vm, structure);
 61      object->finishCreation(vm);
 62      return object;
 63  }
 64  
 65  Structure* IntlNumberFormatPrototype::createStructure(VM& vm, JSGlobalObject* globalObject, JSValue prototype)
 66  {
 67      return Structure::create(vm, globalObject, prototype, TypeInfo(ObjectType, StructureFlags), info());
 68  }
 69  
 70  IntlNumberFormatPrototype::IntlNumberFormatPrototype(VM& vm, Structure* structure)
 71      : Base(vm, structure)
 72  {
 73  }
 74  
 75  void IntlNumberFormatPrototype::finishCreation(VM& vm)
 76  {
 77      Base::finishCreation(vm);
 78      ASSERT(inherits(vm, info()));
 79      JSC_TO_STRING_TAG_WITHOUT_TRANSITION();
 80  }
 81  
 82  // https://tc39.es/ecma402/#sec-number-format-functions
 83  JSC_DEFINE_HOST_FUNCTION(IntlNumberFormatFuncFormat, (JSGlobalObject* globalObject, CallFrame* callFrame))
 84  {
 85      VM& vm = globalObject->vm();
 86      auto scope = DECLARE_THROW_SCOPE(vm);
 87      auto* numberFormat = jsCast<IntlNumberFormat*>(callFrame->thisValue());
 88  
 89      JSValue bigIntOrNumber = callFrame->argument(0).toNumeric(globalObject);
 90      RETURN_IF_EXCEPTION(scope, encodedJSValue());
 91  
 92      scope.release();
 93      if (bigIntOrNumber.isNumber()) {
 94          double value = bigIntOrNumber.asNumber();
 95          return JSValue::encode(numberFormat->format(globalObject, value));
 96      }
 97  
 98  #if USE(BIGINT32)
 99      if (bigIntOrNumber.isBigInt32()) {
100          JSBigInt* value = JSBigInt::createFrom(globalObject, bigIntOrNumber.bigInt32AsInt32());
101          RETURN_IF_EXCEPTION(scope, { });
102          RELEASE_AND_RETURN(scope, JSValue::encode(numberFormat->format(globalObject, value)));
103      }
104  #endif
105  
106      ASSERT(bigIntOrNumber.isHeapBigInt());
107      JSBigInt* value = bigIntOrNumber.asHeapBigInt();
108      return JSValue::encode(numberFormat->format(globalObject, value));
109  }
110  
111  JSC_DEFINE_HOST_FUNCTION(IntlNumberFormatPrototypeGetterFormat, (JSGlobalObject* globalObject, CallFrame* callFrame))
112  {
113      VM& vm = globalObject->vm();
114      auto scope = DECLARE_THROW_SCOPE(vm);
115  
116      // 11.3.3 Intl.NumberFormat.prototype.format (ECMA-402 2.0)
117      // 1. Let nf be this NumberFormat object.
118      auto* nf = IntlNumberFormat::unwrapForOldFunctions(globalObject, callFrame->thisValue());
119      RETURN_IF_EXCEPTION(scope, { });
120      if (UNLIKELY(!nf))
121          return JSValue::encode(throwTypeError(globalObject, scope, "Intl.NumberFormat.prototype.format called on value that's not an object initialized as a NumberFormat"_s));
122  
123      JSBoundFunction* boundFormat = nf->boundFormat();
124      // 2. If nf.[[boundFormat]] is undefined,
125      if (!boundFormat) {
126          JSGlobalObject* globalObject = nf->globalObject(vm);
127          // a. Let F be a new built-in function object as defined in 11.3.4.
128          // b. The value of F’s length property is 1.
129          auto* targetObject = JSFunction::create(vm, globalObject, 1, "format"_s, IntlNumberFormatFuncFormat, NoIntrinsic);
130          // c. Let bf be BoundFunctionCreate(F, «this value»).
131          boundFormat = JSBoundFunction::create(vm, globalObject, targetObject, nf, nullptr, 1, nullptr);
132          RETURN_IF_EXCEPTION(scope, encodedJSValue());
133          // d. Set nf.[[boundFormat]] to bf.
134          nf->setBoundFormat(vm, boundFormat);
135      }
136      // 3. Return nf.[[boundFormat]].
137      return JSValue::encode(boundFormat);
138  }
139  
140  JSC_DEFINE_HOST_FUNCTION(IntlNumberFormatPrototypeFuncFormatToParts, (JSGlobalObject* globalObject, CallFrame* callFrame))
141  {
142      VM& vm = globalObject->vm();
143      auto scope = DECLARE_THROW_SCOPE(vm);
144  
145      // Intl.NumberFormat.prototype.formatToParts (ECMA-402)
146      // https://tc39.github.io/ecma402/#sec-intl.numberformat.prototype.formattoparts
147  
148      // Do not use unwrapForOldFunctions.
149      auto* numberFormat = jsDynamicCast<IntlNumberFormat*>(vm, callFrame->thisValue());
150      if (UNLIKELY(!numberFormat))
151          return JSValue::encode(throwTypeError(globalObject, scope, "Intl.NumberFormat.prototype.formatToParts called on value that's not an object initialized as a NumberFormat"_s));
152  
153      double value = callFrame->argument(0).toNumber(globalObject);
154      RETURN_IF_EXCEPTION(scope, encodedJSValue());
155  
156      RELEASE_AND_RETURN(scope, JSValue::encode(numberFormat->formatToParts(globalObject, value)));
157  }
158  
159  JSC_DEFINE_HOST_FUNCTION(IntlNumberFormatPrototypeFuncResolvedOptions, (JSGlobalObject* globalObject, CallFrame* callFrame))
160  {
161      VM& vm = globalObject->vm();
162      auto scope = DECLARE_THROW_SCOPE(vm);
163  
164      // 11.3.5 Intl.NumberFormat.prototype.resolvedOptions() (ECMA-402 2.0)
165  
166      auto* numberFormat = IntlNumberFormat::unwrapForOldFunctions(globalObject, callFrame->thisValue());
167      RETURN_IF_EXCEPTION(scope, { });
168      if (UNLIKELY(!numberFormat))
169          return JSValue::encode(throwTypeError(globalObject, scope, "Intl.NumberFormat.prototype.resolvedOptions called on value that's not an object initialized as a NumberFormat"_s));
170  
171      RELEASE_AND_RETURN(scope, JSValue::encode(numberFormat->resolvedOptions(globalObject)));
172  }
173  
174  } // namespace JSC