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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/factory.h" | 5 #include "src/factory.h" |
6 | 6 |
7 #include "src/accessors.h" | 7 #include "src/accessors.h" |
8 #include "src/allocation-site-scopes.h" | 8 #include "src/allocation-site-scopes.h" |
9 #include "src/ast/ast.h" | 9 #include "src/ast/ast.h" |
10 #include "src/base/bits.h" | 10 #include "src/base/bits.h" |
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1410 Handle<JSFunction> function = New<JSFunction>(map, space); | 1410 Handle<JSFunction> function = New<JSFunction>(map, space); |
1411 DCHECK(context_or_undefined->IsContext() || | 1411 DCHECK(context_or_undefined->IsContext() || |
1412 context_or_undefined->IsUndefined(isolate())); | 1412 context_or_undefined->IsUndefined(isolate())); |
1413 | 1413 |
1414 function->initialize_properties(); | 1414 function->initialize_properties(); |
1415 function->initialize_elements(); | 1415 function->initialize_elements(); |
1416 function->set_shared(*info); | 1416 function->set_shared(*info); |
1417 function->set_code(info->code()); | 1417 function->set_code(info->code()); |
1418 function->set_context(*context_or_undefined); | 1418 function->set_context(*context_or_undefined); |
1419 function->set_prototype_or_initial_map(*the_hole_value()); | 1419 function->set_prototype_or_initial_map(*the_hole_value()); |
1420 function->set_literals(LiteralsArray::cast(*empty_literals_array())); | 1420 function->set_feedback_vector( |
| 1421 TypeFeedbackVector::cast(*empty_type_feedback_vector())); |
1421 function->set_next_function_link(*undefined_value(), SKIP_WRITE_BARRIER); | 1422 function->set_next_function_link(*undefined_value(), SKIP_WRITE_BARRIER); |
1422 isolate()->heap()->InitializeJSObjectBody(*function, *map, JSFunction::kSize); | 1423 isolate()->heap()->InitializeJSObjectBody(*function, *map, JSFunction::kSize); |
1423 return function; | 1424 return function; |
1424 } | 1425 } |
1425 | 1426 |
1426 | 1427 |
1427 Handle<JSFunction> Factory::NewFunction(Handle<Map> map, | 1428 Handle<JSFunction> Factory::NewFunction(Handle<Map> map, |
1428 Handle<String> name, | 1429 Handle<String> name, |
1429 MaybeHandle<Code> code) { | 1430 MaybeHandle<Code> code) { |
1430 Handle<Context> context(isolate()->native_context()); | 1431 Handle<Context> context(isolate()->native_context()); |
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1543 int map_index = | 1544 int map_index = |
1544 Context::FunctionMapIndex(info->language_mode(), info->kind()); | 1545 Context::FunctionMapIndex(info->language_mode(), info->kind()); |
1545 Handle<Map> initial_map(Map::cast(context->native_context()->get(map_index))); | 1546 Handle<Map> initial_map(Map::cast(context->native_context()->get(map_index))); |
1546 | 1547 |
1547 return NewFunctionFromSharedFunctionInfo(initial_map, info, context, | 1548 return NewFunctionFromSharedFunctionInfo(initial_map, info, context, |
1548 pretenure); | 1549 pretenure); |
1549 } | 1550 } |
1550 | 1551 |
1551 Handle<JSFunction> Factory::NewFunctionFromSharedFunctionInfo( | 1552 Handle<JSFunction> Factory::NewFunctionFromSharedFunctionInfo( |
1552 Handle<SharedFunctionInfo> info, Handle<Context> context, | 1553 Handle<SharedFunctionInfo> info, Handle<Context> context, |
1553 Handle<LiteralsArray> literals, PretenureFlag pretenure) { | 1554 Handle<TypeFeedbackVector> vector, PretenureFlag pretenure) { |
1554 int map_index = | 1555 int map_index = |
1555 Context::FunctionMapIndex(info->language_mode(), info->kind()); | 1556 Context::FunctionMapIndex(info->language_mode(), info->kind()); |
1556 Handle<Map> initial_map(Map::cast(context->native_context()->get(map_index))); | 1557 Handle<Map> initial_map(Map::cast(context->native_context()->get(map_index))); |
1557 | 1558 |
1558 return NewFunctionFromSharedFunctionInfo(initial_map, info, context, literals, | 1559 return NewFunctionFromSharedFunctionInfo(initial_map, info, context, vector, |
1559 pretenure); | 1560 pretenure); |
1560 } | 1561 } |
1561 | 1562 |
1562 Handle<JSFunction> Factory::NewFunctionFromSharedFunctionInfo( | 1563 Handle<JSFunction> Factory::NewFunctionFromSharedFunctionInfo( |
1563 Handle<Map> initial_map, Handle<SharedFunctionInfo> info, | 1564 Handle<Map> initial_map, Handle<SharedFunctionInfo> info, |
1564 Handle<Object> context_or_undefined, PretenureFlag pretenure) { | 1565 Handle<Object> context_or_undefined, PretenureFlag pretenure) { |
1565 DCHECK_EQ(JS_FUNCTION_TYPE, initial_map->instance_type()); | 1566 DCHECK_EQ(JS_FUNCTION_TYPE, initial_map->instance_type()); |
1566 Handle<JSFunction> result = | 1567 Handle<JSFunction> result = |
1567 NewFunction(initial_map, info, context_or_undefined, pretenure); | 1568 NewFunction(initial_map, info, context_or_undefined, pretenure); |
1568 | 1569 |
1569 if (info->ic_age() != isolate()->heap()->global_ic_age()) { | 1570 if (info->ic_age() != isolate()->heap()->global_ic_age()) { |
1570 info->ResetForNewContext(isolate()->heap()->global_ic_age()); | 1571 info->ResetForNewContext(isolate()->heap()->global_ic_age()); |
1571 } | 1572 } |
1572 | 1573 |
1573 if (context_or_undefined->IsContext()) { | 1574 if (context_or_undefined->IsContext()) { |
1574 // Give compiler a chance to pre-initialize. | 1575 // Give compiler a chance to pre-initialize. |
1575 Compiler::PostInstantiation(result, pretenure); | 1576 Compiler::PostInstantiation(result, pretenure); |
1576 } | 1577 } |
1577 | 1578 |
1578 return result; | 1579 return result; |
1579 } | 1580 } |
1580 | 1581 |
1581 Handle<JSFunction> Factory::NewFunctionFromSharedFunctionInfo( | 1582 Handle<JSFunction> Factory::NewFunctionFromSharedFunctionInfo( |
1582 Handle<Map> initial_map, Handle<SharedFunctionInfo> info, | 1583 Handle<Map> initial_map, Handle<SharedFunctionInfo> info, |
1583 Handle<Object> context_or_undefined, Handle<LiteralsArray> literals, | 1584 Handle<Object> context_or_undefined, Handle<TypeFeedbackVector> vector, |
1584 PretenureFlag pretenure) { | 1585 PretenureFlag pretenure) { |
1585 DCHECK_EQ(JS_FUNCTION_TYPE, initial_map->instance_type()); | 1586 DCHECK_EQ(JS_FUNCTION_TYPE, initial_map->instance_type()); |
1586 Handle<JSFunction> result = | 1587 Handle<JSFunction> result = |
1587 NewFunction(initial_map, info, context_or_undefined, pretenure); | 1588 NewFunction(initial_map, info, context_or_undefined, pretenure); |
1588 | 1589 |
1589 result->set_literals(*literals); | 1590 result->set_feedback_vector(*vector); |
1590 if (info->ic_age() != isolate()->heap()->global_ic_age()) { | 1591 if (info->ic_age() != isolate()->heap()->global_ic_age()) { |
1591 info->ResetForNewContext(isolate()->heap()->global_ic_age()); | 1592 info->ResetForNewContext(isolate()->heap()->global_ic_age()); |
1592 } | 1593 } |
1593 | 1594 |
1594 if (context_or_undefined->IsContext()) { | 1595 if (context_or_undefined->IsContext()) { |
1595 // Give compiler a chance to pre-initialize. | 1596 // Give compiler a chance to pre-initialize. |
1596 Compiler::PostInstantiation(result, pretenure); | 1597 Compiler::PostInstantiation(result, pretenure); |
1597 } | 1598 } |
1598 | 1599 |
1599 return result; | 1600 return result; |
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2845 Handle<AccessorInfo> prototype = | 2846 Handle<AccessorInfo> prototype = |
2846 Accessors::FunctionPrototypeInfo(isolate(), rw_attribs); | 2847 Accessors::FunctionPrototypeInfo(isolate(), rw_attribs); |
2847 Descriptor d = Descriptor::AccessorConstant( | 2848 Descriptor d = Descriptor::AccessorConstant( |
2848 Handle<Name>(Name::cast(prototype->name())), prototype, rw_attribs); | 2849 Handle<Name>(Name::cast(prototype->name())), prototype, rw_attribs); |
2849 map->AppendDescriptor(&d); | 2850 map->AppendDescriptor(&d); |
2850 } | 2851 } |
2851 } | 2852 } |
2852 | 2853 |
2853 } // namespace internal | 2854 } // namespace internal |
2854 } // namespace v8 | 2855 } // namespace v8 |
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