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Issue 3079: Remove the old builtins framework with the huge, nasty (Closed) Base URL: http://v8.googlecode.com/svn/branches/bleeding_edge/
Patch Set: Created 12 years, 3 months ago
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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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479 set_instance_descriptors(Heap::empty_descriptor_array()); 479 set_instance_descriptors(Heap::empty_descriptor_array());
480 } 480 }
481 481
482 // Allocate the empty function as the prototype for function ECMAScript 482 // Allocate the empty function as the prototype for function ECMAScript
483 // 262 15.3.4. 483 // 262 15.3.4.
484 Handle<String> symbol = Factory::LookupAsciiSymbol("Empty"); 484 Handle<String> symbol = Factory::LookupAsciiSymbol("Empty");
485 Handle<JSFunction> empty_function = 485 Handle<JSFunction> empty_function =
486 Factory::NewFunction(symbol, Factory::null_value()); 486 Factory::NewFunction(symbol, Factory::null_value());
487 487
488 { // --- E m p t y --- 488 { // --- E m p t y ---
489 Handle<Code> call_code = 489 Handle<Code> code =
490 Handle<Code>(Builtins::builtin(Builtins::EmptyFunction)); 490 Handle<Code>(Builtins::builtin(Builtins::EmptyFunction));
491 Handle<String> source = Factory::NewStringFromAscii(CStrVector("() {}")); 491 Handle<String> source = Factory::NewStringFromAscii(CStrVector("() {}"));
492 492
493 empty_function->set_code(*call_code); 493 empty_function->set_code(*code);
494 empty_function->shared()->set_script(*Factory::NewScript(source)); 494 empty_function->shared()->set_script(*Factory::NewScript(source));
495 empty_function->shared()->set_start_position(0); 495 empty_function->shared()->set_start_position(0);
496 empty_function->shared()->set_end_position(source->length()); 496 empty_function->shared()->set_end_position(source->length());
497 empty_function->shared()->DontAdaptArguments();
497 global_context()->function_map()->set_prototype(*empty_function); 498 global_context()->function_map()->set_prototype(*empty_function);
498 global_context()->function_instance_map()->set_prototype(*empty_function); 499 global_context()->function_instance_map()->set_prototype(*empty_function);
499 500
500 // Allocate the function map first and then patch the prototype later 501 // Allocate the function map first and then patch the prototype later
501 Handle<Map> empty_fm = Factory::CopyMap(fm); 502 Handle<Map> empty_fm = Factory::CopyMap(fm);
502 empty_fm->set_instance_descriptors(*function_map_descriptors); 503 empty_fm->set_instance_descriptors(*function_map_descriptors);
503 empty_fm->set_prototype(global_context()->object_function()->prototype()); 504 empty_fm->set_prototype(global_context()->object_function()->prototype());
504 empty_function->set_map(*empty_fm); 505 empty_function->set_map(*empty_fm);
505 } 506 }
506 507
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573 574
574 // Install global Function object 575 // Install global Function object
575 InstallFunction(global, "Function", JS_FUNCTION_TYPE, JSFunction::kSize, 576 InstallFunction(global, "Function", JS_FUNCTION_TYPE, JSFunction::kSize,
576 empty_function, Builtins::Illegal, true); // ECMA native. 577 empty_function, Builtins::Illegal, true); // ECMA native.
577 578
578 { // --- A r r a y --- 579 { // --- A r r a y ---
579 Handle<JSFunction> array_function = 580 Handle<JSFunction> array_function =
580 InstallFunction(global, "Array", JS_ARRAY_TYPE, JSArray::kSize, 581 InstallFunction(global, "Array", JS_ARRAY_TYPE, JSArray::kSize,
581 Top::initial_object_prototype(), Builtins::ArrayCode, 582 Top::initial_object_prototype(), Builtins::ArrayCode,
582 true); 583 true);
584 array_function->shared()->DontAdaptArguments();
583 585
584 // This seems a bit hackish, but we need to make sure Array.length 586 // This seems a bit hackish, but we need to make sure Array.length
585 // is 1. 587 // is 1.
586 array_function->shared()->set_length(1); 588 array_function->shared()->set_length(1);
587 Handle<DescriptorArray> array_descriptors = 589 Handle<DescriptorArray> array_descriptors =
588 Factory::CopyAppendProxyDescriptor( 590 Factory::CopyAppendProxyDescriptor(
589 Factory::empty_descriptor_array(), 591 Factory::empty_descriptor_array(),
590 Factory::length_symbol(), 592 Factory::length_symbol(),
591 Factory::NewProxy(&Accessors::ArrayLength), 593 Factory::NewProxy(&Accessors::ArrayLength),
592 static_cast<PropertyAttributes>(DONT_ENUM | DONT_DELETE)); 594 static_cast<PropertyAttributes>(DONT_ENUM | DONT_DELETE));
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702 global_context()->set_context_extension_function(*context_extension_fun); 704 global_context()->set_context_extension_function(*context_extension_fun);
703 } 705 }
704 706
705 // Setup the call-as-function delegate. 707 // Setup the call-as-function delegate.
706 Handle<Code> code = 708 Handle<Code> code =
707 Handle<Code>(Builtins::builtin(Builtins::HandleApiCallAsFunction)); 709 Handle<Code>(Builtins::builtin(Builtins::HandleApiCallAsFunction));
708 Handle<JSFunction> delegate = 710 Handle<JSFunction> delegate =
709 Factory::NewFunction(Factory::empty_symbol(), JS_OBJECT_TYPE, 711 Factory::NewFunction(Factory::empty_symbol(), JS_OBJECT_TYPE,
710 JSObject::kHeaderSize, code, true); 712 JSObject::kHeaderSize, code, true);
711 global_context()->set_call_as_function_delegate(*delegate); 713 global_context()->set_call_as_function_delegate(*delegate);
714 delegate->shared()->DontAdaptArguments();
712 715
713 global_context()->set_special_function_table(Heap::empty_fixed_array()); 716 global_context()->set_special_function_table(Heap::empty_fixed_array());
714 717
715 // Initialize the out of memory slot. 718 // Initialize the out of memory slot.
716 global_context()->set_out_of_memory(Heap::false_value()); 719 global_context()->set_out_of_memory(Heap::false_value());
717 } 720 }
718 721
719 722
720 bool Genesis::CompileBuiltin(int index) { 723 bool Genesis::CompileBuiltin(int index) {
721 Vector<const char> name = Natives::GetScriptName(index); 724 Vector<const char> name = Natives::GetScriptName(index);
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1331 if (!ConfigureGlobalObject(global_template)) return; 1334 if (!ConfigureGlobalObject(global_template)) return;
1332 1335
1333 if (!InstallExtensions(extensions)) return; 1336 if (!InstallExtensions(extensions)) return;
1334 1337
1335 if (!InstallSpecialObjects()) return; 1338 if (!InstallSpecialObjects()) return;
1336 1339
1337 result_ = global_context_; 1340 result_ = global_context_;
1338 } 1341 }
1339 1342
1340 } } // namespace v8::internal 1343 } } // namespace v8::internal
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