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Issue 2302773002: [regexp] Port RegExpConstructor (Closed)
Patch Set: Tweaks Created 4 years, 3 months ago
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1 // Copyright 2014 the V8 project authors. All rights reserved. 1 // Copyright 2014 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/bootstrapper.h" 5 #include "src/bootstrapper.h"
6 6
7 #include "src/accessors.h" 7 #include "src/accessors.h"
8 #include "src/api-natives.h" 8 #include "src/api-natives.h"
9 #include "src/base/ieee754.h" 9 #include "src/base/ieee754.h"
10 #include "src/code-stubs.h" 10 #include "src/code-stubs.h"
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1568 1568
1569 // Set the expected parameters for @@toPrimitive to 1; required by builtin. 1569 // Set the expected parameters for @@toPrimitive to 1; required by builtin.
1570 to_primitive->shared()->set_internal_formal_parameter_count(1); 1570 to_primitive->shared()->set_internal_formal_parameter_count(1);
1571 1571
1572 // Set the length for the function to satisfy ECMA-262. 1572 // Set the length for the function to satisfy ECMA-262.
1573 to_primitive->shared()->set_length(1); 1573 to_primitive->shared()->set_length(1);
1574 } 1574 }
1575 1575
1576 { // -- R e g E x p 1576 { // -- R e g E x p
1577 // Builtin functions for RegExp.prototype. 1577 // Builtin functions for RegExp.prototype.
1578 Handle<JSFunction> regexp_fun = 1578 Handle<JSFunction> regexp_fun = InstallFunction(
1579 InstallFunction(global, "RegExp", JS_REGEXP_TYPE, JSRegExp::kSize, 1579 global, "RegExp", JS_REGEXP_TYPE, JSRegExp::kSize,
1580 isolate->initial_object_prototype(), 1580 isolate->initial_object_prototype(), Builtins::kRegExpConstructor);
1581 Builtins::kIllegal);
1582 InstallWithIntrinsicDefaultProto(isolate, regexp_fun, 1581 InstallWithIntrinsicDefaultProto(isolate, regexp_fun,
1583 Context::REGEXP_FUNCTION_INDEX); 1582 Context::REGEXP_FUNCTION_INDEX);
1584 regexp_fun->shared()->SetConstructStub( 1583
1585 *isolate->builtins()->JSBuiltinsConstructStub()); 1584 Handle<SharedFunctionInfo> shared(regexp_fun->shared(), isolate);
1585 shared->SetConstructStub(*isolate->builtins()->RegExpConstructor());
1586 shared->set_instance_class_name(isolate->heap()->RegExp_string());
1587 shared->DontAdaptArguments();
1588 shared->set_length(2);
1589
1590 Handle<JSObject> proto =
1591 factory->NewJSObject(isolate->object_function(), TENURED);
1592 JSObject::AddProperty(proto, factory->constructor_string(), regexp_fun,
1593 DONT_ENUM);
1594 Accessors::FunctionSetPrototype(regexp_fun, proto).Assert();
1586 1595
1587 DCHECK(regexp_fun->has_initial_map()); 1596 DCHECK(regexp_fun->has_initial_map());
1588 Handle<Map> initial_map(regexp_fun->initial_map()); 1597 Handle<Map> initial_map(regexp_fun->initial_map());
1589 1598
1590 DCHECK_EQ(0, initial_map->GetInObjectProperties()); 1599 DCHECK_EQ(0, initial_map->GetInObjectProperties());
1591 1600
1592 Map::EnsureDescriptorSlack(initial_map, 1); 1601 Map::EnsureDescriptorSlack(initial_map, 1);
1593 1602
1594 // ECMA-262, section 15.10.7.5. 1603 // ECMA-262, section 15.10.7.5.
1595 PropertyAttributes writable = 1604 PropertyAttributes writable =
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4093 } 4102 }
4094 4103
4095 4104
4096 // Called when the top-level V8 mutex is destroyed. 4105 // Called when the top-level V8 mutex is destroyed.
4097 void Bootstrapper::FreeThreadResources() { 4106 void Bootstrapper::FreeThreadResources() {
4098 DCHECK(!IsActive()); 4107 DCHECK(!IsActive());
4099 } 4108 }
4100 4109
4101 } // namespace internal 4110 } // namespace internal
4102 } // namespace v8 4111 } // namespace v8
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