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| 1 // Copyright 2016 the V8 project authors. All rights reserved. | 1 // Copyright 2016 the V8 project authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 #include "src/builtins/builtins-utils.h" | 5 #include "src/builtins/builtins-utils.h" |
| 6 #include "src/builtins/builtins.h" | 6 #include "src/builtins/builtins.h" |
| 7 #include "src/code-factory.h" | 7 #include "src/code-factory.h" |
| 8 #include "src/conversions.h" | 8 #include "src/conversions.h" |
| 9 #include "src/counters.h" | 9 #include "src/counters.h" |
| 10 #include "src/objects-inl.h" | 10 #include "src/objects-inl.h" |
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| 22 Handle<Object> fraction_digits = args.atOrUndefined(isolate, 1); | 22 Handle<Object> fraction_digits = args.atOrUndefined(isolate, 1); |
| 23 | 23 |
| 24 // Unwrap the receiver {value}. | 24 // Unwrap the receiver {value}. |
| 25 if (value->IsJSValue()) { | 25 if (value->IsJSValue()) { |
| 26 value = handle(Handle<JSValue>::cast(value)->value(), isolate); | 26 value = handle(Handle<JSValue>::cast(value)->value(), isolate); |
| 27 } | 27 } |
| 28 if (!value->IsNumber()) { | 28 if (!value->IsNumber()) { |
| 29 THROW_NEW_ERROR_RETURN_FAILURE( | 29 THROW_NEW_ERROR_RETURN_FAILURE( |
| 30 isolate, NewTypeError(MessageTemplate::kNotGeneric, | 30 isolate, NewTypeError(MessageTemplate::kNotGeneric, |
| 31 isolate->factory()->NewStringFromAsciiChecked( | 31 isolate->factory()->NewStringFromAsciiChecked( |
| 32 "Number.prototype.toExponential"), | 32 "Number.prototype.toExponential"))); |
| 33 isolate->factory()->Number_string())); | |
| 34 } | 33 } |
| 35 double const value_number = value->Number(); | 34 double const value_number = value->Number(); |
| 36 | 35 |
| 37 // Convert the {fraction_digits} to an integer first. | 36 // Convert the {fraction_digits} to an integer first. |
| 38 ASSIGN_RETURN_FAILURE_ON_EXCEPTION( | 37 ASSIGN_RETURN_FAILURE_ON_EXCEPTION( |
| 39 isolate, fraction_digits, Object::ToInteger(isolate, fraction_digits)); | 38 isolate, fraction_digits, Object::ToInteger(isolate, fraction_digits)); |
| 40 double const fraction_digits_number = fraction_digits->Number(); | 39 double const fraction_digits_number = fraction_digits->Number(); |
| 41 | 40 |
| 42 if (std::isnan(value_number)) return isolate->heap()->nan_string(); | 41 if (std::isnan(value_number)) return isolate->heap()->nan_string(); |
| 43 if (std::isinf(value_number)) { | 42 if (std::isinf(value_number)) { |
| (...skipping 22 matching lines...) Expand all Loading... |
| 66 Handle<Object> fraction_digits = args.atOrUndefined(isolate, 1); | 65 Handle<Object> fraction_digits = args.atOrUndefined(isolate, 1); |
| 67 | 66 |
| 68 // Unwrap the receiver {value}. | 67 // Unwrap the receiver {value}. |
| 69 if (value->IsJSValue()) { | 68 if (value->IsJSValue()) { |
| 70 value = handle(Handle<JSValue>::cast(value)->value(), isolate); | 69 value = handle(Handle<JSValue>::cast(value)->value(), isolate); |
| 71 } | 70 } |
| 72 if (!value->IsNumber()) { | 71 if (!value->IsNumber()) { |
| 73 THROW_NEW_ERROR_RETURN_FAILURE( | 72 THROW_NEW_ERROR_RETURN_FAILURE( |
| 74 isolate, NewTypeError(MessageTemplate::kNotGeneric, | 73 isolate, NewTypeError(MessageTemplate::kNotGeneric, |
| 75 isolate->factory()->NewStringFromAsciiChecked( | 74 isolate->factory()->NewStringFromAsciiChecked( |
| 76 "Number.prototype.toFixed"), | 75 "Number.prototype.toFixed"))); |
| 77 isolate->factory()->Number_string())); | |
| 78 } | 76 } |
| 79 double const value_number = value->Number(); | 77 double const value_number = value->Number(); |
| 80 | 78 |
| 81 // Convert the {fraction_digits} to an integer first. | 79 // Convert the {fraction_digits} to an integer first. |
| 82 ASSIGN_RETURN_FAILURE_ON_EXCEPTION( | 80 ASSIGN_RETURN_FAILURE_ON_EXCEPTION( |
| 83 isolate, fraction_digits, Object::ToInteger(isolate, fraction_digits)); | 81 isolate, fraction_digits, Object::ToInteger(isolate, fraction_digits)); |
| 84 double const fraction_digits_number = fraction_digits->Number(); | 82 double const fraction_digits_number = fraction_digits->Number(); |
| 85 | 83 |
| 86 // Check if the {fraction_digits} are in the supported range. | 84 // Check if the {fraction_digits} are in the supported range. |
| 87 if (fraction_digits_number < 0.0 || fraction_digits_number > 20.0) { | 85 if (fraction_digits_number < 0.0 || fraction_digits_number > 20.0) { |
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| 109 Handle<Object> value = args.at(0); | 107 Handle<Object> value = args.at(0); |
| 110 | 108 |
| 111 // Unwrap the receiver {value}. | 109 // Unwrap the receiver {value}. |
| 112 if (value->IsJSValue()) { | 110 if (value->IsJSValue()) { |
| 113 value = handle(Handle<JSValue>::cast(value)->value(), isolate); | 111 value = handle(Handle<JSValue>::cast(value)->value(), isolate); |
| 114 } | 112 } |
| 115 if (!value->IsNumber()) { | 113 if (!value->IsNumber()) { |
| 116 THROW_NEW_ERROR_RETURN_FAILURE( | 114 THROW_NEW_ERROR_RETURN_FAILURE( |
| 117 isolate, NewTypeError(MessageTemplate::kNotGeneric, | 115 isolate, NewTypeError(MessageTemplate::kNotGeneric, |
| 118 isolate->factory()->NewStringFromAsciiChecked( | 116 isolate->factory()->NewStringFromAsciiChecked( |
| 119 "Number.prototype.toLocaleString"), | 117 "Number.prototype.toLocaleString"))); |
| 120 isolate->factory()->Number_string())); | |
| 121 } | 118 } |
| 122 | 119 |
| 123 // Turn the {value} into a String. | 120 // Turn the {value} into a String. |
| 124 return *isolate->factory()->NumberToString(value); | 121 return *isolate->factory()->NumberToString(value); |
| 125 } | 122 } |
| 126 | 123 |
| 127 // ES6 section 20.1.3.5 Number.prototype.toPrecision ( precision ) | 124 // ES6 section 20.1.3.5 Number.prototype.toPrecision ( precision ) |
| 128 BUILTIN(NumberPrototypeToPrecision) { | 125 BUILTIN(NumberPrototypeToPrecision) { |
| 129 HandleScope scope(isolate); | 126 HandleScope scope(isolate); |
| 130 Handle<Object> value = args.at(0); | 127 Handle<Object> value = args.at(0); |
| 131 Handle<Object> precision = args.atOrUndefined(isolate, 1); | 128 Handle<Object> precision = args.atOrUndefined(isolate, 1); |
| 132 | 129 |
| 133 // Unwrap the receiver {value}. | 130 // Unwrap the receiver {value}. |
| 134 if (value->IsJSValue()) { | 131 if (value->IsJSValue()) { |
| 135 value = handle(Handle<JSValue>::cast(value)->value(), isolate); | 132 value = handle(Handle<JSValue>::cast(value)->value(), isolate); |
| 136 } | 133 } |
| 137 if (!value->IsNumber()) { | 134 if (!value->IsNumber()) { |
| 138 THROW_NEW_ERROR_RETURN_FAILURE( | 135 THROW_NEW_ERROR_RETURN_FAILURE( |
| 139 isolate, NewTypeError(MessageTemplate::kNotGeneric, | 136 isolate, NewTypeError(MessageTemplate::kNotGeneric, |
| 140 isolate->factory()->NewStringFromAsciiChecked( | 137 isolate->factory()->NewStringFromAsciiChecked( |
| 141 "Number.prototype.toPrecision"), | 138 "Number.prototype.toPrecision"))); |
| 142 isolate->factory()->Number_string())); | |
| 143 } | 139 } |
| 144 double const value_number = value->Number(); | 140 double const value_number = value->Number(); |
| 145 | 141 |
| 146 // If no {precision} was specified, just return ToString of {value}. | 142 // If no {precision} was specified, just return ToString of {value}. |
| 147 if (precision->IsUndefined(isolate)) { | 143 if (precision->IsUndefined(isolate)) { |
| 148 return *isolate->factory()->NumberToString(value); | 144 return *isolate->factory()->NumberToString(value); |
| 149 } | 145 } |
| 150 | 146 |
| 151 // Convert the {precision} to an integer first. | 147 // Convert the {precision} to an integer first. |
| 152 ASSIGN_RETURN_FAILURE_ON_EXCEPTION(isolate, precision, | 148 ASSIGN_RETURN_FAILURE_ON_EXCEPTION(isolate, precision, |
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| 176 Handle<Object> radix = args.atOrUndefined(isolate, 1); | 172 Handle<Object> radix = args.atOrUndefined(isolate, 1); |
| 177 | 173 |
| 178 // Unwrap the receiver {value}. | 174 // Unwrap the receiver {value}. |
| 179 if (value->IsJSValue()) { | 175 if (value->IsJSValue()) { |
| 180 value = handle(Handle<JSValue>::cast(value)->value(), isolate); | 176 value = handle(Handle<JSValue>::cast(value)->value(), isolate); |
| 181 } | 177 } |
| 182 if (!value->IsNumber()) { | 178 if (!value->IsNumber()) { |
| 183 THROW_NEW_ERROR_RETURN_FAILURE( | 179 THROW_NEW_ERROR_RETURN_FAILURE( |
| 184 isolate, NewTypeError(MessageTemplate::kNotGeneric, | 180 isolate, NewTypeError(MessageTemplate::kNotGeneric, |
| 185 isolate->factory()->NewStringFromAsciiChecked( | 181 isolate->factory()->NewStringFromAsciiChecked( |
| 186 "Number.prototype.toString"), | 182 "Number.prototype.toString"))); |
| 187 isolate->factory()->Number_string())); | |
| 188 } | 183 } |
| 189 double const value_number = value->Number(); | 184 double const value_number = value->Number(); |
| 190 | 185 |
| 191 // If no {radix} was specified, just return ToString of {value}. | 186 // If no {radix} was specified, just return ToString of {value}. |
| 192 if (radix->IsUndefined(isolate)) { | 187 if (radix->IsUndefined(isolate)) { |
| 193 return *isolate->factory()->NumberToString(value); | 188 return *isolate->factory()->NumberToString(value); |
| 194 } | 189 } |
| 195 | 190 |
| 196 // Convert the {radix} to an integer first. | 191 // Convert the {radix} to an integer first. |
| 197 ASSIGN_RETURN_FAILURE_ON_EXCEPTION(isolate, radix, | 192 ASSIGN_RETURN_FAILURE_ON_EXCEPTION(isolate, radix, |
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| 224 } | 219 } |
| 225 char* const str = | 220 char* const str = |
| 226 DoubleToRadixCString(value_number, static_cast<int>(radix_number)); | 221 DoubleToRadixCString(value_number, static_cast<int>(radix_number)); |
| 227 Handle<String> result = isolate->factory()->NewStringFromAsciiChecked(str); | 222 Handle<String> result = isolate->factory()->NewStringFromAsciiChecked(str); |
| 228 DeleteArray(str); | 223 DeleteArray(str); |
| 229 return *result; | 224 return *result; |
| 230 } | 225 } |
| 231 | 226 |
| 232 } // namespace internal | 227 } // namespace internal |
| 233 } // namespace v8 | 228 } // namespace v8 |
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