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| 1 // Copyright 2006-2008 the V8 project authors. All rights reserved. | 1 // Copyright 2006-2008 the V8 project authors. All rights reserved. |
| 2 // Redistribution and use in source and binary forms, with or without | 2 // Redistribution and use in source and binary forms, with or without |
| 3 // modification, are permitted provided that the following conditions are | 3 // modification, are permitted provided that the following conditions are |
| 4 // met: | 4 // met: |
| 5 // | 5 // |
| 6 // * Redistributions of source code must retain the above copyright | 6 // * Redistributions of source code must retain the above copyright |
| 7 // notice, this list of conditions and the following disclaimer. | 7 // notice, this list of conditions and the following disclaimer. |
| 8 // * Redistributions in binary form must reproduce the above | 8 // * Redistributions in binary form must reproduce the above |
| 9 // copyright notice, this list of conditions and the following | 9 // copyright notice, this list of conditions and the following |
| 10 // disclaimer in the documentation and/or other materials provided | 10 // disclaimer in the documentation and/or other materials provided |
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| 333 | 333 |
| 334 | 334 |
| 335 static Handle<JSFunction> InstallFunction(Handle<JSObject> target, | 335 static Handle<JSFunction> InstallFunction(Handle<JSObject> target, |
| 336 const char* name, | 336 const char* name, |
| 337 InstanceType type, | 337 InstanceType type, |
| 338 int instance_size, | 338 int instance_size, |
| 339 Handle<JSObject> prototype, | 339 Handle<JSObject> prototype, |
| 340 Builtins::Name call, | 340 Builtins::Name call, |
| 341 bool is_ecma_native) { | 341 bool is_ecma_native) { |
| 342 Handle<String> symbol = Factory::LookupAsciiSymbol(name); | 342 Handle<String> symbol = Factory::LookupAsciiSymbol(name); |
| 343 Handle<Code> call_code = Handle<Code>(Builtins::builtin(call)); | 343 Handle<Code> call_code = Handle<Code>( |
| 344 Isolate::Current()->builtins()->builtin(call)); |
| 344 Handle<JSFunction> function = prototype.is_null() ? | 345 Handle<JSFunction> function = prototype.is_null() ? |
| 345 Factory::NewFunctionWithoutPrototype(symbol, call_code) : | 346 Factory::NewFunctionWithoutPrototype(symbol, call_code) : |
| 346 Factory::NewFunctionWithPrototype(symbol, | 347 Factory::NewFunctionWithPrototype(symbol, |
| 347 type, | 348 type, |
| 348 instance_size, | 349 instance_size, |
| 349 prototype, | 350 prototype, |
| 350 call_code, | 351 call_code, |
| 351 is_ecma_native); | 352 is_ecma_native); |
| 352 SetProperty(target, symbol, function, DONT_ENUM); | 353 SetProperty(target, symbol, function, DONT_ENUM); |
| 353 if (is_ecma_native) { | 354 if (is_ecma_native) { |
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| 467 } | 468 } |
| 468 | 469 |
| 469 // Allocate the empty function as the prototype for function ECMAScript | 470 // Allocate the empty function as the prototype for function ECMAScript |
| 470 // 262 15.3.4. | 471 // 262 15.3.4. |
| 471 Handle<String> symbol = Factory::LookupAsciiSymbol("Empty"); | 472 Handle<String> symbol = Factory::LookupAsciiSymbol("Empty"); |
| 472 Handle<JSFunction> empty_function = | 473 Handle<JSFunction> empty_function = |
| 473 Factory::NewFunctionWithoutPrototype(symbol); | 474 Factory::NewFunctionWithoutPrototype(symbol); |
| 474 | 475 |
| 475 // --- E m p t y --- | 476 // --- E m p t y --- |
| 476 Handle<Code> code = | 477 Handle<Code> code = |
| 477 Handle<Code>(Builtins::builtin(Builtins::EmptyFunction)); | 478 Handle<Code>(Isolate::Current()->builtins()->builtin( |
| 479 Builtins::EmptyFunction)); |
| 478 empty_function->set_code(*code); | 480 empty_function->set_code(*code); |
| 479 Handle<String> source = Factory::NewStringFromAscii(CStrVector("() {}")); | 481 Handle<String> source = Factory::NewStringFromAscii(CStrVector("() {}")); |
| 480 Handle<Script> script = Factory::NewScript(source); | 482 Handle<Script> script = Factory::NewScript(source); |
| 481 script->set_type(Smi::FromInt(Script::TYPE_NATIVE)); | 483 script->set_type(Smi::FromInt(Script::TYPE_NATIVE)); |
| 482 empty_function->shared()->set_script(*script); | 484 empty_function->shared()->set_script(*script); |
| 483 empty_function->shared()->set_start_position(0); | 485 empty_function->shared()->set_start_position(0); |
| 484 empty_function->shared()->set_end_position(source->length()); | 486 empty_function->shared()->set_end_position(source->length()); |
| 485 empty_function->shared()->DontAdaptArguments(); | 487 empty_function->shared()->DontAdaptArguments(); |
| 486 global_context()->function_map()->set_prototype(*empty_function); | 488 global_context()->function_map()->set_prototype(*empty_function); |
| 487 global_context()->function_instance_map()->set_prototype(*empty_function); | 489 global_context()->function_instance_map()->set_prototype(*empty_function); |
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| 546 FunctionTemplateInfo::cast(data->constructor())); | 548 FunctionTemplateInfo::cast(data->constructor())); |
| 547 Handle<Object> proto_template(global_constructor->prototype_template()); | 549 Handle<Object> proto_template(global_constructor->prototype_template()); |
| 548 if (!proto_template->IsUndefined()) { | 550 if (!proto_template->IsUndefined()) { |
| 549 js_global_template = | 551 js_global_template = |
| 550 Handle<ObjectTemplateInfo>::cast(proto_template); | 552 Handle<ObjectTemplateInfo>::cast(proto_template); |
| 551 } | 553 } |
| 552 } | 554 } |
| 553 | 555 |
| 554 if (js_global_template.is_null()) { | 556 if (js_global_template.is_null()) { |
| 555 Handle<String> name = Handle<String>(HEAP->empty_symbol()); | 557 Handle<String> name = Handle<String>(HEAP->empty_symbol()); |
| 556 Handle<Code> code = Handle<Code>(Builtins::builtin(Builtins::Illegal)); | 558 Handle<Code> code = Handle<Code>(Isolate::Current()->builtins()->builtin( |
| 559 Builtins::Illegal)); |
| 557 js_global_function = | 560 js_global_function = |
| 558 Factory::NewFunction(name, JS_GLOBAL_OBJECT_TYPE, | 561 Factory::NewFunction(name, JS_GLOBAL_OBJECT_TYPE, |
| 559 JSGlobalObject::kSize, code, true); | 562 JSGlobalObject::kSize, code, true); |
| 560 // Change the constructor property of the prototype of the | 563 // Change the constructor property of the prototype of the |
| 561 // hidden global function to refer to the Object function. | 564 // hidden global function to refer to the Object function. |
| 562 Handle<JSObject> prototype = | 565 Handle<JSObject> prototype = |
| 563 Handle<JSObject>( | 566 Handle<JSObject>( |
| 564 JSObject::cast(js_global_function->instance_prototype())); | 567 JSObject::cast(js_global_function->instance_prototype())); |
| 565 SetProperty(prototype, Factory::constructor_symbol(), | 568 SetProperty(prototype, Factory::constructor_symbol(), |
| 566 Isolate::Current()->object_function(), NONE); | 569 Isolate::Current()->object_function(), NONE); |
| 567 } else { | 570 } else { |
| 568 Handle<FunctionTemplateInfo> js_global_constructor( | 571 Handle<FunctionTemplateInfo> js_global_constructor( |
| 569 FunctionTemplateInfo::cast(js_global_template->constructor())); | 572 FunctionTemplateInfo::cast(js_global_template->constructor())); |
| 570 js_global_function = | 573 js_global_function = |
| 571 Factory::CreateApiFunction(js_global_constructor, | 574 Factory::CreateApiFunction(js_global_constructor, |
| 572 Factory::InnerGlobalObject); | 575 Factory::InnerGlobalObject); |
| 573 } | 576 } |
| 574 | 577 |
| 575 js_global_function->initial_map()->set_is_hidden_prototype(); | 578 js_global_function->initial_map()->set_is_hidden_prototype(); |
| 576 Handle<GlobalObject> inner_global = | 579 Handle<GlobalObject> inner_global = |
| 577 Factory::NewGlobalObject(js_global_function); | 580 Factory::NewGlobalObject(js_global_function); |
| 578 if (inner_global_out != NULL) { | 581 if (inner_global_out != NULL) { |
| 579 *inner_global_out = inner_global; | 582 *inner_global_out = inner_global; |
| 580 } | 583 } |
| 581 | 584 |
| 582 // Step 2: create or re-initialize the global proxy object. | 585 // Step 2: create or re-initialize the global proxy object. |
| 583 Handle<JSFunction> global_proxy_function; | 586 Handle<JSFunction> global_proxy_function; |
| 584 if (global_template.IsEmpty()) { | 587 if (global_template.IsEmpty()) { |
| 585 Handle<String> name = Handle<String>(HEAP->empty_symbol()); | 588 Handle<String> name = Handle<String>(HEAP->empty_symbol()); |
| 586 Handle<Code> code = Handle<Code>(Builtins::builtin(Builtins::Illegal)); | 589 Handle<Code> code = Handle<Code>(Isolate::Current()->builtins()->builtin( |
| 590 Builtins::Illegal)); |
| 587 global_proxy_function = | 591 global_proxy_function = |
| 588 Factory::NewFunction(name, JS_GLOBAL_PROXY_TYPE, | 592 Factory::NewFunction(name, JS_GLOBAL_PROXY_TYPE, |
| 589 JSGlobalProxy::kSize, code, true); | 593 JSGlobalProxy::kSize, code, true); |
| 590 } else { | 594 } else { |
| 591 Handle<ObjectTemplateInfo> data = | 595 Handle<ObjectTemplateInfo> data = |
| 592 v8::Utils::OpenHandle(*global_template); | 596 v8::Utils::OpenHandle(*global_template); |
| 593 Handle<FunctionTemplateInfo> global_constructor( | 597 Handle<FunctionTemplateInfo> global_constructor( |
| 594 FunctionTemplateInfo::cast(data->constructor())); | 598 FunctionTemplateInfo::cast(data->constructor())); |
| 595 global_proxy_function = | 599 global_proxy_function = |
| 596 Factory::CreateApiFunction(global_constructor, | 600 Factory::CreateApiFunction(global_constructor, |
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| 673 // Install global Function object | 677 // Install global Function object |
| 674 InstallFunction(global, "Function", JS_FUNCTION_TYPE, JSFunction::kSize, | 678 InstallFunction(global, "Function", JS_FUNCTION_TYPE, JSFunction::kSize, |
| 675 empty_function, Builtins::Illegal, true); // ECMA native. | 679 empty_function, Builtins::Illegal, true); // ECMA native. |
| 676 | 680 |
| 677 { // --- A r r a y --- | 681 { // --- A r r a y --- |
| 678 Handle<JSFunction> array_function = | 682 Handle<JSFunction> array_function = |
| 679 InstallFunction(global, "Array", JS_ARRAY_TYPE, JSArray::kSize, | 683 InstallFunction(global, "Array", JS_ARRAY_TYPE, JSArray::kSize, |
| 680 Isolate::Current()->initial_object_prototype(), | 684 Isolate::Current()->initial_object_prototype(), |
| 681 Builtins::ArrayCode, true); | 685 Builtins::ArrayCode, true); |
| 682 array_function->shared()->set_construct_stub( | 686 array_function->shared()->set_construct_stub( |
| 683 Builtins::builtin(Builtins::ArrayConstructCode)); | 687 Isolate::Current()->builtins()->builtin(Builtins::ArrayConstructCode)); |
| 684 array_function->shared()->DontAdaptArguments(); | 688 array_function->shared()->DontAdaptArguments(); |
| 685 | 689 |
| 686 // This seems a bit hackish, but we need to make sure Array.length | 690 // This seems a bit hackish, but we need to make sure Array.length |
| 687 // is 1. | 691 // is 1. |
| 688 array_function->shared()->set_length(1); | 692 array_function->shared()->set_length(1); |
| 689 Handle<DescriptorArray> array_descriptors = | 693 Handle<DescriptorArray> array_descriptors = |
| 690 Factory::CopyAppendProxyDescriptor( | 694 Factory::CopyAppendProxyDescriptor( |
| 691 Factory::empty_descriptor_array(), | 695 Factory::empty_descriptor_array(), |
| 692 Factory::length_symbol(), | 696 Factory::length_symbol(), |
| 693 Factory::NewProxy(&Accessors::ArrayLength), | 697 Factory::NewProxy(&Accessors::ArrayLength), |
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| 833 ASSERT(json_object->IsJSObject()); | 837 ASSERT(json_object->IsJSObject()); |
| 834 SetProperty(global, name, json_object, DONT_ENUM); | 838 SetProperty(global, name, json_object, DONT_ENUM); |
| 835 global_context()->set_json_object(*json_object); | 839 global_context()->set_json_object(*json_object); |
| 836 } | 840 } |
| 837 | 841 |
| 838 { // --- arguments_boilerplate_ | 842 { // --- arguments_boilerplate_ |
| 839 // Make sure we can recognize argument objects at runtime. | 843 // Make sure we can recognize argument objects at runtime. |
| 840 // This is done by introducing an anonymous function with | 844 // This is done by introducing an anonymous function with |
| 841 // class_name equals 'Arguments'. | 845 // class_name equals 'Arguments'. |
| 842 Handle<String> symbol = Factory::LookupAsciiSymbol("Arguments"); | 846 Handle<String> symbol = Factory::LookupAsciiSymbol("Arguments"); |
| 843 Handle<Code> code = Handle<Code>(Builtins::builtin(Builtins::Illegal)); | 847 Handle<Code> code = Handle<Code>( |
| 848 Isolate::Current()->builtins()->builtin(Builtins::Illegal)); |
| 844 Handle<JSObject> prototype = | 849 Handle<JSObject> prototype = |
| 845 Handle<JSObject>( | 850 Handle<JSObject>( |
| 846 JSObject::cast(global_context()->object_function()->prototype())); | 851 JSObject::cast(global_context()->object_function()->prototype())); |
| 847 | 852 |
| 848 Handle<JSFunction> function = | 853 Handle<JSFunction> function = |
| 849 Factory::NewFunctionWithPrototype(symbol, | 854 Factory::NewFunctionWithPrototype(symbol, |
| 850 JS_OBJECT_TYPE, | 855 JS_OBJECT_TYPE, |
| 851 JSObject::kHeaderSize, | 856 JSObject::kHeaderSize, |
| 852 prototype, | 857 prototype, |
| 853 code, | 858 code, |
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| 881 ASSERT(result->map()->inobject_properties() > Heap::arguments_length_index); | 886 ASSERT(result->map()->inobject_properties() > Heap::arguments_length_index); |
| 882 | 887 |
| 883 // Check the state of the object. | 888 // Check the state of the object. |
| 884 ASSERT(result->HasFastProperties()); | 889 ASSERT(result->HasFastProperties()); |
| 885 ASSERT(result->HasFastElements()); | 890 ASSERT(result->HasFastElements()); |
| 886 #endif | 891 #endif |
| 887 } | 892 } |
| 888 | 893 |
| 889 { // --- context extension | 894 { // --- context extension |
| 890 // Create a function for the context extension objects. | 895 // Create a function for the context extension objects. |
| 891 Handle<Code> code = Handle<Code>(Builtins::builtin(Builtins::Illegal)); | 896 Handle<Code> code = Handle<Code>( |
| 897 Isolate::Current()->builtins()->builtin(Builtins::Illegal)); |
| 892 Handle<JSFunction> context_extension_fun = | 898 Handle<JSFunction> context_extension_fun = |
| 893 Factory::NewFunction(Factory::empty_symbol(), | 899 Factory::NewFunction(Factory::empty_symbol(), |
| 894 JS_CONTEXT_EXTENSION_OBJECT_TYPE, | 900 JS_CONTEXT_EXTENSION_OBJECT_TYPE, |
| 895 JSObject::kHeaderSize, | 901 JSObject::kHeaderSize, |
| 896 code, | 902 code, |
| 897 true); | 903 true); |
| 898 | 904 |
| 899 Handle<String> name = Factory::LookupAsciiSymbol("context_extension"); | 905 Handle<String> name = Factory::LookupAsciiSymbol("context_extension"); |
| 900 context_extension_fun->shared()->set_instance_class_name(*name); | 906 context_extension_fun->shared()->set_instance_class_name(*name); |
| 901 global_context()->set_context_extension_function(*context_extension_fun); | 907 global_context()->set_context_extension_function(*context_extension_fun); |
| 902 } | 908 } |
| 903 | 909 |
| 904 | 910 |
| 905 { | 911 { |
| 906 // Setup the call-as-function delegate. | 912 // Setup the call-as-function delegate. |
| 907 Handle<Code> code = | 913 Handle<Code> code = |
| 908 Handle<Code>(Builtins::builtin(Builtins::HandleApiCallAsFunction)); | 914 Handle<Code>(Isolate::Current()->builtins()->builtin( |
| 915 Builtins::HandleApiCallAsFunction)); |
| 909 Handle<JSFunction> delegate = | 916 Handle<JSFunction> delegate = |
| 910 Factory::NewFunction(Factory::empty_symbol(), JS_OBJECT_TYPE, | 917 Factory::NewFunction(Factory::empty_symbol(), JS_OBJECT_TYPE, |
| 911 JSObject::kHeaderSize, code, true); | 918 JSObject::kHeaderSize, code, true); |
| 912 global_context()->set_call_as_function_delegate(*delegate); | 919 global_context()->set_call_as_function_delegate(*delegate); |
| 913 delegate->shared()->DontAdaptArguments(); | 920 delegate->shared()->DontAdaptArguments(); |
| 914 } | 921 } |
| 915 | 922 |
| 916 { | 923 { |
| 917 // Setup the call-as-constructor delegate. | 924 // Setup the call-as-constructor delegate. |
| 918 Handle<Code> code = | 925 Handle<Code> code = |
| 919 Handle<Code>(Builtins::builtin(Builtins::HandleApiCallAsConstructor)); | 926 Handle<Code>(Isolate::Current()->builtins()->builtin( |
| 927 Builtins::HandleApiCallAsConstructor)); |
| 920 Handle<JSFunction> delegate = | 928 Handle<JSFunction> delegate = |
| 921 Factory::NewFunction(Factory::empty_symbol(), JS_OBJECT_TYPE, | 929 Factory::NewFunction(Factory::empty_symbol(), JS_OBJECT_TYPE, |
| 922 JSObject::kHeaderSize, code, true); | 930 JSObject::kHeaderSize, code, true); |
| 923 global_context()->set_call_as_constructor_delegate(*delegate); | 931 global_context()->set_call_as_constructor_delegate(*delegate); |
| 924 delegate->shared()->DontAdaptArguments(); | 932 delegate->shared()->DontAdaptArguments(); |
| 925 } | 933 } |
| 926 | 934 |
| 927 // Initialize the out of memory slot. | 935 // Initialize the out of memory slot. |
| 928 global_context()->set_out_of_memory(HEAP->false_value()); | 936 global_context()->set_out_of_memory(HEAP->false_value()); |
| 929 | 937 |
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| 1039 | 1047 |
| 1040 #undef INSTALL_NATIVE | 1048 #undef INSTALL_NATIVE |
| 1041 | 1049 |
| 1042 | 1050 |
| 1043 bool Genesis::InstallNatives() { | 1051 bool Genesis::InstallNatives() { |
| 1044 HandleScope scope; | 1052 HandleScope scope; |
| 1045 | 1053 |
| 1046 // Create a function for the builtins object. Allocate space for the | 1054 // Create a function for the builtins object. Allocate space for the |
| 1047 // JavaScript builtins, a reference to the builtins object | 1055 // JavaScript builtins, a reference to the builtins object |
| 1048 // (itself) and a reference to the global_context directly in the object. | 1056 // (itself) and a reference to the global_context directly in the object. |
| 1049 Handle<Code> code = Handle<Code>(Builtins::builtin(Builtins::Illegal)); | 1057 Handle<Code> code = Handle<Code>( |
| 1058 Isolate::Current()->builtins()->builtin(Builtins::Illegal)); |
| 1050 Handle<JSFunction> builtins_fun = | 1059 Handle<JSFunction> builtins_fun = |
| 1051 Factory::NewFunction(Factory::empty_symbol(), JS_BUILTINS_OBJECT_TYPE, | 1060 Factory::NewFunction(Factory::empty_symbol(), JS_BUILTINS_OBJECT_TYPE, |
| 1052 JSBuiltinsObject::kSize, code, true); | 1061 JSBuiltinsObject::kSize, code, true); |
| 1053 | 1062 |
| 1054 Handle<String> name = Factory::LookupAsciiSymbol("builtins"); | 1063 Handle<String> name = Factory::LookupAsciiSymbol("builtins"); |
| 1055 builtins_fun->shared()->set_instance_class_name(*name); | 1064 builtins_fun->shared()->set_instance_class_name(*name); |
| 1056 | 1065 |
| 1057 // Allocate the builtins object. | 1066 // Allocate the builtins object. |
| 1058 Handle<JSBuiltinsObject> builtins = | 1067 Handle<JSBuiltinsObject> builtins = |
| 1059 Handle<JSBuiltinsObject>::cast(Factory::NewGlobalObject(builtins_fun)); | 1068 Handle<JSBuiltinsObject>::cast(Factory::NewGlobalObject(builtins_fun)); |
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| 1803 return from + sizeof(NestingCounterType); | 1812 return from + sizeof(NestingCounterType); |
| 1804 } | 1813 } |
| 1805 | 1814 |
| 1806 | 1815 |
| 1807 // Called when the top-level V8 mutex is destroyed. | 1816 // Called when the top-level V8 mutex is destroyed. |
| 1808 void Bootstrapper::FreeThreadResources() { | 1817 void Bootstrapper::FreeThreadResources() { |
| 1809 ASSERT(!IsActive()); | 1818 ASSERT(!IsActive()); |
| 1810 } | 1819 } |
| 1811 | 1820 |
| 1812 } } // namespace v8::internal | 1821 } } // namespace v8::internal |
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