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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 "bootstrapper.h" | 5 #include "bootstrapper.h" |
6 | 6 |
7 #include "accessors.h" | 7 #include "accessors.h" |
8 #include "isolate-inl.h" | 8 #include "isolate-inl.h" |
9 #include "natives.h" | 9 #include "natives.h" |
10 #include "snapshot.h" | 10 #include "snapshot.h" |
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351 InstanceType type, | 351 InstanceType type, |
352 int instance_size, | 352 int instance_size, |
353 MaybeHandle<JSObject> maybe_prototype, | 353 MaybeHandle<JSObject> maybe_prototype, |
354 Builtins::Name call, | 354 Builtins::Name call, |
355 bool set_instance_class_name) { | 355 bool set_instance_class_name) { |
356 Isolate* isolate = target->GetIsolate(); | 356 Isolate* isolate = target->GetIsolate(); |
357 Factory* factory = isolate->factory(); | 357 Factory* factory = isolate->factory(); |
358 Handle<String> internalized_name = factory->InternalizeUtf8String(name); | 358 Handle<String> internalized_name = factory->InternalizeUtf8String(name); |
359 Handle<Code> call_code = Handle<Code>(isolate->builtins()->builtin(call)); | 359 Handle<Code> call_code = Handle<Code>(isolate->builtins()->builtin(call)); |
360 Handle<JSFunction> function = factory->NewFunction( | 360 Handle<JSFunction> function = factory->NewFunction( |
361 maybe_prototype, internalized_name, type, instance_size, call_code, | 361 maybe_prototype, internalized_name, type, instance_size, call_code); |
362 !maybe_prototype.is_null()); | |
363 PropertyAttributes attributes; | 362 PropertyAttributes attributes; |
364 if (target->IsJSBuiltinsObject()) { | 363 if (target->IsJSBuiltinsObject()) { |
365 attributes = | 364 attributes = |
366 static_cast<PropertyAttributes>(DONT_ENUM | DONT_DELETE | READ_ONLY); | 365 static_cast<PropertyAttributes>(DONT_ENUM | DONT_DELETE | READ_ONLY); |
367 } else { | 366 } else { |
368 attributes = DONT_ENUM; | 367 attributes = DONT_ENUM; |
369 } | 368 } |
370 JSObject::SetLocalPropertyIgnoreAttributes( | 369 JSObject::SetLocalPropertyIgnoreAttributes( |
371 target, internalized_name, function, attributes).Check(); | 370 target, internalized_name, function, attributes).Check(); |
372 if (set_instance_class_name) { | 371 if (set_instance_class_name) { |
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701 if (!proto_template->IsUndefined()) { | 700 if (!proto_template->IsUndefined()) { |
702 js_global_template = | 701 js_global_template = |
703 Handle<ObjectTemplateInfo>::cast(proto_template); | 702 Handle<ObjectTemplateInfo>::cast(proto_template); |
704 } | 703 } |
705 } | 704 } |
706 | 705 |
707 if (js_global_template.is_null()) { | 706 if (js_global_template.is_null()) { |
708 Handle<String> name = Handle<String>(heap()->empty_string()); | 707 Handle<String> name = Handle<String>(heap()->empty_string()); |
709 Handle<Code> code = Handle<Code>(isolate()->builtins()->builtin( | 708 Handle<Code> code = Handle<Code>(isolate()->builtins()->builtin( |
710 Builtins::kIllegal)); | 709 Builtins::kIllegal)); |
711 js_global_function = | 710 js_global_function = factory()->NewFunction( |
712 factory()->NewFunction(name, JS_GLOBAL_OBJECT_TYPE, | 711 name, JS_GLOBAL_OBJECT_TYPE, JSGlobalObject::kSize, code); |
713 JSGlobalObject::kSize, code, true); | |
714 // Change the constructor property of the prototype of the | 712 // Change the constructor property of the prototype of the |
715 // hidden global function to refer to the Object function. | 713 // hidden global function to refer to the Object function. |
716 Handle<JSObject> prototype = | 714 Handle<JSObject> prototype = |
717 Handle<JSObject>( | 715 Handle<JSObject>( |
718 JSObject::cast(js_global_function->instance_prototype())); | 716 JSObject::cast(js_global_function->instance_prototype())); |
719 JSObject::SetLocalPropertyIgnoreAttributes( | 717 JSObject::SetLocalPropertyIgnoreAttributes( |
720 prototype, factory()->constructor_string(), | 718 prototype, factory()->constructor_string(), |
721 isolate()->object_function(), NONE).Check(); | 719 isolate()->object_function(), NONE).Check(); |
722 } else { | 720 } else { |
723 Handle<FunctionTemplateInfo> js_global_constructor( | 721 Handle<FunctionTemplateInfo> js_global_constructor( |
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735 if (inner_global_out != NULL) { | 733 if (inner_global_out != NULL) { |
736 *inner_global_out = inner_global; | 734 *inner_global_out = inner_global; |
737 } | 735 } |
738 | 736 |
739 // Step 2: create or re-initialize the global proxy object. | 737 // Step 2: create or re-initialize the global proxy object. |
740 Handle<JSFunction> global_proxy_function; | 738 Handle<JSFunction> global_proxy_function; |
741 if (global_template.IsEmpty()) { | 739 if (global_template.IsEmpty()) { |
742 Handle<String> name = Handle<String>(heap()->empty_string()); | 740 Handle<String> name = Handle<String>(heap()->empty_string()); |
743 Handle<Code> code = Handle<Code>(isolate()->builtins()->builtin( | 741 Handle<Code> code = Handle<Code>(isolate()->builtins()->builtin( |
744 Builtins::kIllegal)); | 742 Builtins::kIllegal)); |
745 global_proxy_function = | 743 global_proxy_function = factory()->NewFunction( |
746 factory()->NewFunction(name, JS_GLOBAL_PROXY_TYPE, | 744 name, JS_GLOBAL_PROXY_TYPE, JSGlobalProxy::kSize, code); |
747 JSGlobalProxy::kSize, code, true); | |
748 } else { | 745 } else { |
749 Handle<ObjectTemplateInfo> data = | 746 Handle<ObjectTemplateInfo> data = |
750 v8::Utils::OpenHandle(*global_template); | 747 v8::Utils::OpenHandle(*global_template); |
751 Handle<FunctionTemplateInfo> global_constructor( | 748 Handle<FunctionTemplateInfo> global_constructor( |
752 FunctionTemplateInfo::cast(data->constructor())); | 749 FunctionTemplateInfo::cast(data->constructor())); |
753 global_proxy_function = | 750 global_proxy_function = |
754 factory()->CreateApiFunction(global_constructor, | 751 factory()->CreateApiFunction(global_constructor, |
755 factory()->the_hole_value(), | 752 factory()->the_hole_value(), |
756 factory()->OuterGlobalObject); | 753 factory()->OuterGlobalObject); |
757 } | 754 } |
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1075 { // --- arguments_boilerplate_ | 1072 { // --- arguments_boilerplate_ |
1076 // Make sure we can recognize argument objects at runtime. | 1073 // Make sure we can recognize argument objects at runtime. |
1077 // This is done by introducing an anonymous function with | 1074 // This is done by introducing an anonymous function with |
1078 // class_name equals 'Arguments'. | 1075 // class_name equals 'Arguments'. |
1079 Handle<String> arguments_string = factory->InternalizeOneByteString( | 1076 Handle<String> arguments_string = factory->InternalizeOneByteString( |
1080 STATIC_ASCII_VECTOR("Arguments")); | 1077 STATIC_ASCII_VECTOR("Arguments")); |
1081 Handle<Code> code(isolate->builtins()->builtin(Builtins::kIllegal)); | 1078 Handle<Code> code(isolate->builtins()->builtin(Builtins::kIllegal)); |
1082 | 1079 |
1083 Handle<JSFunction> function = factory->NewFunction( | 1080 Handle<JSFunction> function = factory->NewFunction( |
1084 MaybeHandle<Object>(), arguments_string, JS_OBJECT_TYPE, | 1081 MaybeHandle<Object>(), arguments_string, JS_OBJECT_TYPE, |
1085 JSObject::kHeaderSize, code, false); | 1082 JSObject::kHeaderSize, code); |
1086 ASSERT(!function->has_initial_map()); | 1083 ASSERT(!function->has_initial_map()); |
1087 function->shared()->set_instance_class_name(*arguments_string); | 1084 function->shared()->set_instance_class_name(*arguments_string); |
1088 function->shared()->set_expected_nof_properties(2); | 1085 function->shared()->set_expected_nof_properties(2); |
1089 function->set_prototype_or_initial_map( | 1086 function->set_prototype_or_initial_map( |
1090 native_context()->object_function()->prototype()); | 1087 native_context()->object_function()->prototype()); |
1091 Handle<JSObject> result = factory->NewJSObject(function); | 1088 Handle<JSObject> result = factory->NewJSObject(function); |
1092 | 1089 |
1093 native_context()->set_sloppy_arguments_boilerplate(*result); | 1090 native_context()->set_sloppy_arguments_boilerplate(*result); |
1094 // Note: length must be added as the first property and | 1091 // Note: length must be added as the first property and |
1095 // callee must be added as the second property. | 1092 // callee must be added as the second property. |
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1214 // Check the state of the object. | 1211 // Check the state of the object. |
1215 ASSERT(result->HasFastProperties()); | 1212 ASSERT(result->HasFastProperties()); |
1216 ASSERT(result->HasFastObjectElements()); | 1213 ASSERT(result->HasFastObjectElements()); |
1217 #endif | 1214 #endif |
1218 } | 1215 } |
1219 | 1216 |
1220 { // --- context extension | 1217 { // --- context extension |
1221 // Create a function for the context extension objects. | 1218 // Create a function for the context extension objects. |
1222 Handle<Code> code = Handle<Code>( | 1219 Handle<Code> code = Handle<Code>( |
1223 isolate->builtins()->builtin(Builtins::kIllegal)); | 1220 isolate->builtins()->builtin(Builtins::kIllegal)); |
1224 Handle<JSFunction> context_extension_fun = | 1221 Handle<JSFunction> context_extension_fun = factory->NewFunction( |
1225 factory->NewFunction(factory->empty_string(), | 1222 factory->empty_string(), JS_CONTEXT_EXTENSION_OBJECT_TYPE, |
1226 JS_CONTEXT_EXTENSION_OBJECT_TYPE, | 1223 JSObject::kHeaderSize, code); |
1227 JSObject::kHeaderSize, | |
1228 code, | |
1229 true); | |
1230 | 1224 |
1231 Handle<String> name = factory->InternalizeOneByteString( | 1225 Handle<String> name = factory->InternalizeOneByteString( |
1232 STATIC_ASCII_VECTOR("context_extension")); | 1226 STATIC_ASCII_VECTOR("context_extension")); |
1233 context_extension_fun->shared()->set_instance_class_name(*name); | 1227 context_extension_fun->shared()->set_instance_class_name(*name); |
1234 native_context()->set_context_extension_function(*context_extension_fun); | 1228 native_context()->set_context_extension_function(*context_extension_fun); |
1235 } | 1229 } |
1236 | 1230 |
1237 | 1231 |
1238 { | 1232 { |
1239 // Set up the call-as-function delegate. | 1233 // Set up the call-as-function delegate. |
1240 Handle<Code> code = | 1234 Handle<Code> code = |
1241 Handle<Code>(isolate->builtins()->builtin( | 1235 Handle<Code>(isolate->builtins()->builtin( |
1242 Builtins::kHandleApiCallAsFunction)); | 1236 Builtins::kHandleApiCallAsFunction)); |
1243 Handle<JSFunction> delegate = | 1237 Handle<JSFunction> delegate = factory->NewFunction( |
1244 factory->NewFunction(factory->empty_string(), JS_OBJECT_TYPE, | 1238 factory->empty_string(), JS_OBJECT_TYPE, JSObject::kHeaderSize, code); |
1245 JSObject::kHeaderSize, code, true); | |
1246 native_context()->set_call_as_function_delegate(*delegate); | 1239 native_context()->set_call_as_function_delegate(*delegate); |
1247 delegate->shared()->DontAdaptArguments(); | 1240 delegate->shared()->DontAdaptArguments(); |
1248 } | 1241 } |
1249 | 1242 |
1250 { | 1243 { |
1251 // Set up the call-as-constructor delegate. | 1244 // Set up the call-as-constructor delegate. |
1252 Handle<Code> code = | 1245 Handle<Code> code = |
1253 Handle<Code>(isolate->builtins()->builtin( | 1246 Handle<Code>(isolate->builtins()->builtin( |
1254 Builtins::kHandleApiCallAsConstructor)); | 1247 Builtins::kHandleApiCallAsConstructor)); |
1255 Handle<JSFunction> delegate = | 1248 Handle<JSFunction> delegate = factory->NewFunction( |
1256 factory->NewFunction(factory->empty_string(), JS_OBJECT_TYPE, | 1249 factory->empty_string(), JS_OBJECT_TYPE, JSObject::kHeaderSize, code); |
1257 JSObject::kHeaderSize, code, true); | |
1258 native_context()->set_call_as_constructor_delegate(*delegate); | 1250 native_context()->set_call_as_constructor_delegate(*delegate); |
1259 delegate->shared()->DontAdaptArguments(); | 1251 delegate->shared()->DontAdaptArguments(); |
1260 } | 1252 } |
1261 | 1253 |
1262 // Initialize the embedder data slot. | 1254 // Initialize the embedder data slot. |
1263 Handle<FixedArray> embedder_data = factory->NewFixedArray(3); | 1255 Handle<FixedArray> embedder_data = factory->NewFixedArray(3); |
1264 native_context()->set_embedder_data(*embedder_data); | 1256 native_context()->set_embedder_data(*embedder_data); |
1265 } | 1257 } |
1266 | 1258 |
1267 | 1259 |
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1621 | 1613 |
1622 | 1614 |
1623 bool Genesis::InstallNatives() { | 1615 bool Genesis::InstallNatives() { |
1624 HandleScope scope(isolate()); | 1616 HandleScope scope(isolate()); |
1625 | 1617 |
1626 // Create a function for the builtins object. Allocate space for the | 1618 // Create a function for the builtins object. Allocate space for the |
1627 // JavaScript builtins, a reference to the builtins object | 1619 // JavaScript builtins, a reference to the builtins object |
1628 // (itself) and a reference to the native_context directly in the object. | 1620 // (itself) and a reference to the native_context directly in the object. |
1629 Handle<Code> code = Handle<Code>( | 1621 Handle<Code> code = Handle<Code>( |
1630 isolate()->builtins()->builtin(Builtins::kIllegal)); | 1622 isolate()->builtins()->builtin(Builtins::kIllegal)); |
1631 Handle<JSFunction> builtins_fun = | 1623 Handle<JSFunction> builtins_fun = factory()->NewFunction( |
1632 factory()->NewFunction(factory()->empty_string(), | 1624 factory()->empty_string(), JS_BUILTINS_OBJECT_TYPE, |
1633 JS_BUILTINS_OBJECT_TYPE, | 1625 JSBuiltinsObject::kSize, code); |
1634 JSBuiltinsObject::kSize, code, true); | |
1635 | 1626 |
1636 Handle<String> name = | 1627 Handle<String> name = |
1637 factory()->InternalizeOneByteString(STATIC_ASCII_VECTOR("builtins")); | 1628 factory()->InternalizeOneByteString(STATIC_ASCII_VECTOR("builtins")); |
1638 builtins_fun->shared()->set_instance_class_name(*name); | 1629 builtins_fun->shared()->set_instance_class_name(*name); |
1639 builtins_fun->initial_map()->set_dictionary_map(true); | 1630 builtins_fun->initial_map()->set_dictionary_map(true); |
1640 builtins_fun->initial_map()->set_prototype(heap()->null_value()); | 1631 builtins_fun->initial_map()->set_prototype(heap()->null_value()); |
1641 | 1632 |
1642 // Allocate the builtins object. | 1633 // Allocate the builtins object. |
1643 Handle<JSBuiltinsObject> builtins = | 1634 Handle<JSBuiltinsObject> builtins = |
1644 Handle<JSBuiltinsObject>::cast(factory()->NewGlobalObject(builtins_fun)); | 1635 Handle<JSBuiltinsObject>::cast(factory()->NewGlobalObject(builtins_fun)); |
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2672 return from + sizeof(NestingCounterType); | 2663 return from + sizeof(NestingCounterType); |
2673 } | 2664 } |
2674 | 2665 |
2675 | 2666 |
2676 // Called when the top-level V8 mutex is destroyed. | 2667 // Called when the top-level V8 mutex is destroyed. |
2677 void Bootstrapper::FreeThreadResources() { | 2668 void Bootstrapper::FreeThreadResources() { |
2678 ASSERT(!IsActive()); | 2669 ASSERT(!IsActive()); |
2679 } | 2670 } |
2680 | 2671 |
2681 } } // namespace v8::internal | 2672 } } // namespace v8::internal |
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