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1 // Copyright 2015 the V8 project authors. All rights reserved. | 1 // Copyright 2015 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/objects.h" | 5 #include "src/objects.h" |
6 | 6 |
7 #include <cmath> | 7 #include <cmath> |
8 #include <iomanip> | 8 #include <iomanip> |
9 #include <sstream> | 9 #include <sstream> |
10 | 10 |
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221 ASSIGN_RETURN_ON_EXCEPTION(isolate, input, ToNumber(input), Object); | 221 ASSIGN_RETURN_ON_EXCEPTION(isolate, input, ToNumber(input), Object); |
222 double len = DoubleToInteger(input->Number()); | 222 double len = DoubleToInteger(input->Number()); |
223 if (len <= 0.0) { | 223 if (len <= 0.0) { |
224 len = 0.0; | 224 len = 0.0; |
225 } else if (len >= kMaxSafeInteger) { | 225 } else if (len >= kMaxSafeInteger) { |
226 len = kMaxSafeInteger; | 226 len = kMaxSafeInteger; |
227 } | 227 } |
228 return isolate->factory()->NewNumber(len); | 228 return isolate->factory()->NewNumber(len); |
229 } | 229 } |
230 | 230 |
231 // static | |
232 MaybeHandle<Object> Object::ToIndex(Isolate* isolate, Handle<Object> input, | |
233 MessageTemplate::Template error_index) { | |
234 if (input->IsUndefined(isolate)) return isolate->factory()->NewNumber(0.0); | |
235 ASSIGN_RETURN_ON_EXCEPTION(isolate, input, ToNumber(input), Object); | |
236 double len = DoubleToInteger(input->Number()) + 0.0; | |
237 auto js_len = isolate->factory()->NewNumber(len); | |
238 if (len < 0.0 || len > kMaxSafeInteger) { | |
239 THROW_NEW_ERROR(isolate, NewRangeError(error_index, js_len), Object); | |
240 } | |
241 return js_len; | |
242 } | |
243 | 231 |
244 bool Object::BooleanValue() { | 232 bool Object::BooleanValue() { |
245 if (IsSmi()) return Smi::cast(this)->value() != 0; | 233 if (IsSmi()) return Smi::cast(this)->value() != 0; |
246 DCHECK(IsHeapObject()); | 234 DCHECK(IsHeapObject()); |
247 Isolate* isolate = HeapObject::cast(this)->GetIsolate(); | 235 Isolate* isolate = HeapObject::cast(this)->GetIsolate(); |
248 if (IsBoolean()) return IsTrue(isolate); | 236 if (IsBoolean()) return IsTrue(isolate); |
249 if (IsUndefined(isolate) || IsNull(isolate)) return false; | 237 if (IsUndefined(isolate) || IsNull(isolate)) return false; |
250 if (IsUndetectable()) return false; // Undetectable object is false. | 238 if (IsUndetectable()) return false; // Undetectable object is false. |
251 if (IsString()) return String::cast(this)->length() != 0; | 239 if (IsString()) return String::cast(this)->length() != 0; |
252 if (IsHeapNumber()) return HeapNumber::cast(this)->HeapNumberBooleanValue(); | 240 if (IsHeapNumber()) return HeapNumber::cast(this)->HeapNumberBooleanValue(); |
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18960 | 18948 |
18961 Object* data_obj = | 18949 Object* data_obj = |
18962 constructor->shared()->get_api_func_data()->access_check_info(); | 18950 constructor->shared()->get_api_func_data()->access_check_info(); |
18963 if (data_obj->IsUndefined(isolate)) return nullptr; | 18951 if (data_obj->IsUndefined(isolate)) return nullptr; |
18964 | 18952 |
18965 return AccessCheckInfo::cast(data_obj); | 18953 return AccessCheckInfo::cast(data_obj); |
18966 } | 18954 } |
18967 | 18955 |
18968 } // namespace internal | 18956 } // namespace internal |
18969 } // namespace v8 | 18957 } // namespace v8 |
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