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Issue 7623016: Merge r8884 "Fix fun.apply(receiver, arguments) optimization" to 3.4 (Closed) Base URL: http://v8.googlecode.com/svn/branches/3.4/
Patch Set: Created 9 years, 4 months ago
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1 // Copyright 2011 the V8 project authors. All rights reserved. 1 // Copyright 2011 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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1564 InstallNativeFunctions(); 1564 InstallNativeFunctions();
1565 1565
1566 // Store the map for the string prototype after the natives has been compiled 1566 // Store the map for the string prototype after the natives has been compiled
1567 // and the String function has been setup. 1567 // and the String function has been setup.
1568 Handle<JSFunction> string_function(global_context()->string_function()); 1568 Handle<JSFunction> string_function(global_context()->string_function());
1569 ASSERT(JSObject::cast( 1569 ASSERT(JSObject::cast(
1570 string_function->initial_map()->prototype())->HasFastProperties()); 1570 string_function->initial_map()->prototype())->HasFastProperties());
1571 global_context()->set_string_function_prototype_map( 1571 global_context()->set_string_function_prototype_map(
1572 HeapObject::cast(string_function->initial_map()->prototype())->map()); 1572 HeapObject::cast(string_function->initial_map()->prototype())->map());
1573 1573
1574 InstallBuiltinFunctionIds();
1575
1576 // Install Function.prototype.call and apply. 1574 // Install Function.prototype.call and apply.
1577 { Handle<String> key = factory()->function_class_symbol(); 1575 { Handle<String> key = factory()->function_class_symbol();
1578 Handle<JSFunction> function = 1576 Handle<JSFunction> function =
1579 Handle<JSFunction>::cast(GetProperty(isolate()->global(), key)); 1577 Handle<JSFunction>::cast(GetProperty(isolate()->global(), key));
1580 Handle<JSObject> proto = 1578 Handle<JSObject> proto =
1581 Handle<JSObject>(JSObject::cast(function->instance_prototype())); 1579 Handle<JSObject>(JSObject::cast(function->instance_prototype()));
1582 1580
1583 // Install the call and the apply functions. 1581 // Install the call and the apply functions.
1584 Handle<JSFunction> call = 1582 Handle<JSFunction> call =
1585 InstallFunction(proto, "call", JS_OBJECT_TYPE, JSObject::kHeaderSize, 1583 InstallFunction(proto, "call", JS_OBJECT_TYPE, JSObject::kHeaderSize,
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1599 ASSERT(call->is_compiled()); 1597 ASSERT(call->is_compiled());
1600 1598
1601 // Set the expected parameters for apply to 2; required by builtin. 1599 // Set the expected parameters for apply to 2; required by builtin.
1602 apply->shared()->set_formal_parameter_count(2); 1600 apply->shared()->set_formal_parameter_count(2);
1603 1601
1604 // Set the lengths for the functions to satisfy ECMA-262. 1602 // Set the lengths for the functions to satisfy ECMA-262.
1605 call->shared()->set_length(1); 1603 call->shared()->set_length(1);
1606 apply->shared()->set_length(2); 1604 apply->shared()->set_length(2);
1607 } 1605 }
1608 1606
1607 InstallBuiltinFunctionIds();
1608
1609 // Create a constructor for RegExp results (a variant of Array that 1609 // Create a constructor for RegExp results (a variant of Array that
1610 // predefines the two properties index and match). 1610 // predefines the two properties index and match).
1611 { 1611 {
1612 // RegExpResult initial map. 1612 // RegExpResult initial map.
1613 1613
1614 // Find global.Array.prototype to inherit from. 1614 // Find global.Array.prototype to inherit from.
1615 Handle<JSFunction> array_constructor(global_context()->array_function()); 1615 Handle<JSFunction> array_constructor(global_context()->array_function());
1616 Handle<JSObject> array_prototype( 1616 Handle<JSObject> array_prototype(
1617 JSObject::cast(array_constructor->instance_prototype())); 1617 JSObject::cast(array_constructor->instance_prototype()));
1618 1618
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2198 return from + sizeof(NestingCounterType); 2198 return from + sizeof(NestingCounterType);
2199 } 2199 }
2200 2200
2201 2201
2202 // Called when the top-level V8 mutex is destroyed. 2202 // Called when the top-level V8 mutex is destroyed.
2203 void Bootstrapper::FreeThreadResources() { 2203 void Bootstrapper::FreeThreadResources() {
2204 ASSERT(!IsActive()); 2204 ASSERT(!IsActive());
2205 } 2205 }
2206 2206
2207 } } // namespace v8::internal 2207 } } // namespace v8::internal
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