OLD | NEW |
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/regexp/regexp-utils.h" | 5 #include "src/regexp/regexp-utils.h" |
6 | 6 |
7 #include "src/factory.h" | 7 #include "src/factory.h" |
8 #include "src/isolate.h" | 8 #include "src/isolate.h" |
9 #include "src/objects-inl.h" | 9 #include "src/objects-inl.h" |
10 #include "src/regexp/jsregexp.h" | 10 #include "src/regexp/jsregexp.h" |
(...skipping 100 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
111 | 111 |
112 return Execution::Call(isolate, regexp_exec, regexp, argc, argv.start()); | 112 return Execution::Call(isolate, regexp_exec, regexp, argc, argv.start()); |
113 } | 113 } |
114 } | 114 } |
115 | 115 |
116 Maybe<bool> RegExpUtils::IsRegExp(Isolate* isolate, Handle<Object> object) { | 116 Maybe<bool> RegExpUtils::IsRegExp(Isolate* isolate, Handle<Object> object) { |
117 if (!object->IsJSReceiver()) return Just(false); | 117 if (!object->IsJSReceiver()) return Just(false); |
118 | 118 |
119 Handle<JSReceiver> receiver = Handle<JSReceiver>::cast(object); | 119 Handle<JSReceiver> receiver = Handle<JSReceiver>::cast(object); |
120 | 120 |
121 if (isolate->regexp_function()->initial_map() == receiver->map()) { | |
122 // Fast-path for unmodified JSRegExp instances. | |
123 // TODO(ishell): Adapt for new fast-path logic. | |
124 return Just(true); | |
125 } | |
126 | |
127 Handle<Object> match; | 121 Handle<Object> match; |
128 ASSIGN_RETURN_ON_EXCEPTION_VALUE( | 122 ASSIGN_RETURN_ON_EXCEPTION_VALUE( |
129 isolate, match, | 123 isolate, match, |
130 JSObject::GetProperty(receiver, isolate->factory()->match_symbol()), | 124 JSObject::GetProperty(receiver, isolate->factory()->match_symbol()), |
131 Nothing<bool>()); | 125 Nothing<bool>()); |
132 | 126 |
133 if (!match->IsUndefined(isolate)) return Just(match->BooleanValue()); | 127 if (!match->IsUndefined(isolate)) return Just(match->BooleanValue()); |
134 return Just(object->IsJSRegExp()); | 128 return Just(object->IsJSRegExp()); |
135 } | 129 } |
136 | 130 |
(...skipping 46 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
183 | 177 |
184 const int last_index = Handle<Smi>::cast(last_index_obj)->value(); | 178 const int last_index = Handle<Smi>::cast(last_index_obj)->value(); |
185 const int new_last_index = | 179 const int new_last_index = |
186 AdvanceStringIndex(isolate, string, last_index, unicode); | 180 AdvanceStringIndex(isolate, string, last_index, unicode); |
187 | 181 |
188 return SetLastIndex(isolate, regexp, new_last_index); | 182 return SetLastIndex(isolate, regexp, new_last_index); |
189 } | 183 } |
190 | 184 |
191 } // namespace internal | 185 } // namespace internal |
192 } // namespace v8 | 186 } // namespace v8 |
OLD | NEW |