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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.h" | 5 #include "src/builtins/builtins.h" |
6 #include "src/builtins/builtins-utils.h" | 6 #include "src/builtins/builtins-utils.h" |
7 | 7 |
8 #include "src/code-factory.h" | 8 #include "src/code-factory.h" |
9 | 9 |
10 namespace v8 { | 10 namespace v8 { |
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774 | 774 |
775 assembler->Bind(&if_positioninbounds); | 775 assembler->Bind(&if_positioninbounds); |
776 } | 776 } |
777 | 777 |
778 // Load the character at the {position} from the {receiver}. | 778 // Load the character at the {position} from the {receiver}. |
779 Node* value = assembler->StringCharCodeAt(receiver, position); | 779 Node* value = assembler->StringCharCodeAt(receiver, position); |
780 Node* result = assembler->SmiFromWord32(value); | 780 Node* result = assembler->SmiFromWord32(value); |
781 assembler->Return(result); | 781 assembler->Return(result); |
782 } | 782 } |
783 | 783 |
| 784 // ES6 section 21.1.3.7 |
| 785 // String.prototype.includes ( searchString [ , position ] ) |
| 786 BUILTIN(StringPrototypeIncludes) { |
| 787 HandleScope handle_scope(isolate); |
| 788 TO_THIS_STRING(str, "String.prototype.includes"); |
| 789 |
| 790 Handle<Object> search = args.atOrUndefined(isolate, 1); |
| 791 if (search->IsJSReceiver()) { |
| 792 Handle<Symbol> match_symbol = isolate->factory()->match_symbol(); |
| 793 Handle<Object> match_property; |
| 794 ASSIGN_RETURN_FAILURE_ON_EXCEPTION( |
| 795 isolate, match_property, Object::GetProperty(search, match_symbol)); |
| 796 if (!match_property->IsUndefined(isolate) && |
| 797 match_property->BooleanValue()) { |
| 798 THROW_NEW_ERROR_RETURN_FAILURE( |
| 799 isolate, NewTypeError(MessageTemplate::kFirstArgumentNotRegExp, |
| 800 isolate->factory()->NewStringFromStaticChars( |
| 801 "String.prototype.includes"))); |
| 802 } |
| 803 } |
| 804 Handle<String> search_string; |
| 805 ASSIGN_RETURN_FAILURE_ON_EXCEPTION(isolate, search_string, |
| 806 Object::ToString(isolate, search)); |
| 807 Handle<Object> position; |
| 808 ASSIGN_RETURN_FAILURE_ON_EXCEPTION( |
| 809 isolate, position, |
| 810 Object::ToInteger(isolate, args.atOrUndefined(isolate, 2))); |
| 811 |
| 812 double index = std::max(position->Number(), 0.0); |
| 813 index = std::min(index, static_cast<double>(str->length())); |
| 814 |
| 815 int index_in_str = String::IndexOf(isolate, str, search_string, |
| 816 static_cast<uint32_t>(index)); |
| 817 return *isolate->factory()->ToBoolean(index_in_str != -1); |
| 818 } |
| 819 |
784 // ES6 section 21.1.3.8 String.prototype.indexOf ( searchString [ , position ] ) | 820 // ES6 section 21.1.3.8 String.prototype.indexOf ( searchString [ , position ] ) |
785 BUILTIN(StringPrototypeIndexOf) { | 821 BUILTIN(StringPrototypeIndexOf) { |
786 HandleScope handle_scope(isolate); | 822 HandleScope handle_scope(isolate); |
787 | 823 |
788 return String::IndexOf(isolate, args.receiver(), | 824 return String::IndexOf(isolate, args.receiver(), |
789 args.atOrUndefined(isolate, 1), | 825 args.atOrUndefined(isolate, 1), |
790 args.atOrUndefined(isolate, 2)); | 826 args.atOrUndefined(isolate, 2)); |
791 } | 827 } |
792 | 828 |
793 // ES6 section 21.1.3.9 | 829 // ES6 section 21.1.3.9 |
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1350 Runtime::kThrowIncompatibleMethodReceiver, context, | 1386 Runtime::kThrowIncompatibleMethodReceiver, context, |
1351 assembler->HeapConstant(assembler->factory()->NewStringFromAsciiChecked( | 1387 assembler->HeapConstant(assembler->factory()->NewStringFromAsciiChecked( |
1352 "String Iterator.prototype.next", TENURED)), | 1388 "String Iterator.prototype.next", TENURED)), |
1353 iterator); | 1389 iterator); |
1354 assembler->Return(result); // Never reached. | 1390 assembler->Return(result); // Never reached. |
1355 } | 1391 } |
1356 } | 1392 } |
1357 | 1393 |
1358 } // namespace internal | 1394 } // namespace internal |
1359 } // namespace v8 | 1395 } // namespace v8 |
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