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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/bootstrapper.h" | 5 #include "src/bootstrapper.h" |
6 | 6 |
7 #include "src/accessors.h" | 7 #include "src/accessors.h" |
8 #include "src/api-natives.h" | 8 #include "src/api-natives.h" |
9 #include "src/base/ieee754.h" | 9 #include "src/base/ieee754.h" |
10 #include "src/code-stubs.h" | 10 #include "src/code-stubs.h" |
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959 | 959 |
960 static void InstallWithIntrinsicDefaultProto(Isolate* isolate, | 960 static void InstallWithIntrinsicDefaultProto(Isolate* isolate, |
961 Handle<JSFunction> function, | 961 Handle<JSFunction> function, |
962 int context_index) { | 962 int context_index) { |
963 Handle<Smi> index(Smi::FromInt(context_index), isolate); | 963 Handle<Smi> index(Smi::FromInt(context_index), isolate); |
964 JSObject::AddProperty( | 964 JSObject::AddProperty( |
965 function, isolate->factory()->native_context_index_symbol(), index, NONE); | 965 function, isolate->factory()->native_context_index_symbol(), index, NONE); |
966 isolate->native_context()->set(context_index, *function); | 966 isolate->native_context()->set(context_index, *function); |
967 } | 967 } |
968 | 968 |
| 969 static void InstallError(Isolate* isolate, Handle<JSObject> global, |
| 970 Handle<String> name, int context_index) { |
| 971 Factory* factory = isolate->factory(); |
| 972 |
| 973 Handle<JSFunction> error_fun = |
| 974 InstallFunction(global, name, JS_ERROR_TYPE, JSObject::kHeaderSize, |
| 975 isolate->initial_object_prototype(), |
| 976 Builtins::kErrorConstructor, DONT_ENUM); |
| 977 error_fun->shared()->set_instance_class_name(*factory->Error_string()); |
| 978 error_fun->shared()->DontAdaptArguments(); |
| 979 error_fun->shared()->set_construct_stub( |
| 980 *isolate->builtins()->ErrorConstructor()); |
| 981 error_fun->shared()->set_length(1); |
| 982 error_fun->shared()->set_native(true); |
| 983 |
| 984 if (context_index == Context::ERROR_FUNCTION_INDEX) { |
| 985 Handle<JSFunction> capture_stack_trace_fun = |
| 986 SimpleInstallFunction(error_fun, "captureStackTrace", |
| 987 Builtins::kErrorCaptureStackTrace, 2, false); |
| 988 capture_stack_trace_fun->shared()->set_native(true); |
| 989 } |
| 990 |
| 991 InstallWithIntrinsicDefaultProto(isolate, error_fun, context_index); |
| 992 |
| 993 { |
| 994 Handle<JSObject> prototype = |
| 995 factory->NewJSObject(isolate->object_function(), TENURED); |
| 996 |
| 997 JSObject::AddProperty(prototype, factory->name_string(), name, DONT_ENUM); |
| 998 JSObject::AddProperty(prototype, factory->message_string(), |
| 999 factory->empty_string(), DONT_ENUM); |
| 1000 JSObject::AddProperty(prototype, factory->constructor_string(), error_fun, |
| 1001 DONT_ENUM); |
| 1002 |
| 1003 Handle<JSFunction> to_string_fun = |
| 1004 SimpleInstallFunction(prototype, factory->toString_string(), |
| 1005 Builtins::kErrorPrototypeToString, 0, true); |
| 1006 to_string_fun->shared()->set_native(true); |
| 1007 |
| 1008 if (context_index != Context::ERROR_FUNCTION_INDEX) { |
| 1009 Handle<JSFunction> global_error = isolate->error_function(); |
| 1010 CHECK(JSReceiver::SetPrototype(error_fun, global_error, false, |
| 1011 Object::THROW_ON_ERROR) |
| 1012 .FromMaybe(false)); |
| 1013 CHECK(JSReceiver::SetPrototype(prototype, |
| 1014 handle(global_error->prototype(), isolate), |
| 1015 false, Object::THROW_ON_ERROR) |
| 1016 .FromMaybe(false)); |
| 1017 } |
| 1018 |
| 1019 Accessors::FunctionSetPrototype(error_fun, prototype).Assert(); |
| 1020 } |
| 1021 |
| 1022 Handle<Map> initial_map(error_fun->initial_map()); |
| 1023 Map::EnsureDescriptorSlack(initial_map, 1); |
| 1024 |
| 1025 PropertyAttributes attribs = DONT_ENUM; |
| 1026 Handle<AccessorInfo> error_stack = |
| 1027 Accessors::ErrorStackInfo(isolate, attribs); |
| 1028 { |
| 1029 AccessorConstantDescriptor d(Handle<Name>(Name::cast(error_stack->name())), |
| 1030 error_stack, attribs); |
| 1031 initial_map->AppendDescriptor(&d); |
| 1032 } |
| 1033 } |
969 | 1034 |
970 // This is only called if we are not using snapshots. The equivalent | 1035 // This is only called if we are not using snapshots. The equivalent |
971 // work in the snapshot case is done in HookUpGlobalObject. | 1036 // work in the snapshot case is done in HookUpGlobalObject. |
972 void Genesis::InitializeGlobal(Handle<JSGlobalObject> global_object, | 1037 void Genesis::InitializeGlobal(Handle<JSGlobalObject> global_object, |
973 Handle<JSFunction> empty_function, | 1038 Handle<JSFunction> empty_function, |
974 GlobalContextType context_type) { | 1039 GlobalContextType context_type) { |
975 // --- N a t i v e C o n t e x t --- | 1040 // --- N a t i v e C o n t e x t --- |
976 // Use the empty function as closure (no scope info). | 1041 // Use the empty function as closure (no scope info). |
977 native_context()->set_closure(*empty_function); | 1042 native_context()->set_closure(*empty_function); |
978 native_context()->set_previous(NULL); | 1043 native_context()->set_previous(NULL); |
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1502 initial_map->AppendDescriptor(&field); | 1567 initial_map->AppendDescriptor(&field); |
1503 | 1568 |
1504 static const int num_fields = JSRegExp::kInObjectFieldCount; | 1569 static const int num_fields = JSRegExp::kInObjectFieldCount; |
1505 initial_map->SetInObjectProperties(num_fields); | 1570 initial_map->SetInObjectProperties(num_fields); |
1506 initial_map->set_unused_property_fields(0); | 1571 initial_map->set_unused_property_fields(0); |
1507 initial_map->set_instance_size(initial_map->instance_size() + | 1572 initial_map->set_instance_size(initial_map->instance_size() + |
1508 num_fields * kPointerSize); | 1573 num_fields * kPointerSize); |
1509 } | 1574 } |
1510 | 1575 |
1511 { // -- E r r o r | 1576 { // -- E r r o r |
1512 Handle<JSFunction> error_fun = InstallFunction( | 1577 InstallError(isolate, global, factory->Error_string(), |
1513 global, "Error", JS_ERROR_TYPE, JSObject::kHeaderSize, | 1578 Context::ERROR_FUNCTION_INDEX); |
1514 isolate->initial_object_prototype(), Builtins::kIllegal); | |
1515 InstallWithIntrinsicDefaultProto(isolate, error_fun, | |
1516 Context::ERROR_FUNCTION_INDEX); | |
1517 } | 1579 } |
1518 | 1580 |
1519 { // -- E v a l E r r o r | 1581 { // -- E v a l E r r o r |
1520 Handle<JSFunction> eval_error_fun = InstallFunction( | 1582 InstallError(isolate, global, factory->EvalError_string(), |
1521 global, "EvalError", JS_ERROR_TYPE, JSObject::kHeaderSize, | 1583 Context::EVAL_ERROR_FUNCTION_INDEX); |
1522 isolate->initial_object_prototype(), Builtins::kIllegal); | |
1523 InstallWithIntrinsicDefaultProto(isolate, eval_error_fun, | |
1524 Context::EVAL_ERROR_FUNCTION_INDEX); | |
1525 } | 1584 } |
1526 | 1585 |
1527 { // -- R a n g e E r r o r | 1586 { // -- R a n g e E r r o r |
1528 Handle<JSFunction> range_error_fun = InstallFunction( | 1587 InstallError(isolate, global, factory->RangeError_string(), |
1529 global, "RangeError", JS_ERROR_TYPE, JSObject::kHeaderSize, | 1588 Context::RANGE_ERROR_FUNCTION_INDEX); |
1530 isolate->initial_object_prototype(), Builtins::kIllegal); | |
1531 InstallWithIntrinsicDefaultProto(isolate, range_error_fun, | |
1532 Context::RANGE_ERROR_FUNCTION_INDEX); | |
1533 } | 1589 } |
1534 | 1590 |
1535 { // -- R e f e r e n c e E r r o r | 1591 { // -- R e f e r e n c e E r r o r |
1536 Handle<JSFunction> reference_error_fun = InstallFunction( | 1592 InstallError(isolate, global, factory->ReferenceError_string(), |
1537 global, "ReferenceError", JS_ERROR_TYPE, JSObject::kHeaderSize, | 1593 Context::REFERENCE_ERROR_FUNCTION_INDEX); |
1538 isolate->initial_object_prototype(), Builtins::kIllegal); | |
1539 InstallWithIntrinsicDefaultProto(isolate, reference_error_fun, | |
1540 Context::REFERENCE_ERROR_FUNCTION_INDEX); | |
1541 } | 1594 } |
1542 | 1595 |
1543 { // -- S y n t a x E r r o r | 1596 { // -- S y n t a x E r r o r |
1544 Handle<JSFunction> syntax_error_fun = InstallFunction( | 1597 InstallError(isolate, global, factory->SyntaxError_string(), |
1545 global, "SyntaxError", JS_ERROR_TYPE, JSObject::kHeaderSize, | 1598 Context::SYNTAX_ERROR_FUNCTION_INDEX); |
1546 isolate->initial_object_prototype(), Builtins::kIllegal); | |
1547 InstallWithIntrinsicDefaultProto(isolate, syntax_error_fun, | |
1548 Context::SYNTAX_ERROR_FUNCTION_INDEX); | |
1549 } | 1599 } |
1550 | 1600 |
1551 { // -- T y p e E r r o r | 1601 { // -- T y p e E r r o r |
1552 Handle<JSFunction> type_error_fun = InstallFunction( | 1602 InstallError(isolate, global, factory->TypeError_string(), |
1553 global, "TypeError", JS_ERROR_TYPE, JSObject::kHeaderSize, | 1603 Context::TYPE_ERROR_FUNCTION_INDEX); |
1554 isolate->initial_object_prototype(), Builtins::kIllegal); | |
1555 InstallWithIntrinsicDefaultProto(isolate, type_error_fun, | |
1556 Context::TYPE_ERROR_FUNCTION_INDEX); | |
1557 } | 1604 } |
1558 | 1605 |
1559 { // -- U R I E r r o r | 1606 { // -- U R I E r r o r |
1560 Handle<JSFunction> uri_error_fun = InstallFunction( | 1607 InstallError(isolate, global, factory->URIError_string(), |
1561 global, "URIError", JS_ERROR_TYPE, JSObject::kHeaderSize, | 1608 Context::URI_ERROR_FUNCTION_INDEX); |
1562 isolate->initial_object_prototype(), Builtins::kIllegal); | |
1563 InstallWithIntrinsicDefaultProto(isolate, uri_error_fun, | |
1564 Context::URI_ERROR_FUNCTION_INDEX); | |
1565 } | 1609 } |
1566 | 1610 |
1567 // Initialize the embedder data slot. | 1611 // Initialize the embedder data slot. |
1568 Handle<FixedArray> embedder_data = factory->NewFixedArray(3); | 1612 Handle<FixedArray> embedder_data = factory->NewFixedArray(3); |
1569 native_context()->set_embedder_data(*embedder_data); | 1613 native_context()->set_embedder_data(*embedder_data); |
1570 | 1614 |
1571 { // -- J S O N | 1615 { // -- J S O N |
1572 Handle<String> name = factory->InternalizeUtf8String("JSON"); | 1616 Handle<String> name = factory->InternalizeUtf8String("JSON"); |
1573 Handle<JSFunction> cons = factory->NewFunction(name); | 1617 Handle<JSFunction> cons = factory->NewFunction(name); |
1574 JSFunction::SetInstancePrototype(cons, | 1618 JSFunction::SetInstancePrototype(cons, |
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3951 } | 3995 } |
3952 | 3996 |
3953 | 3997 |
3954 // Called when the top-level V8 mutex is destroyed. | 3998 // Called when the top-level V8 mutex is destroyed. |
3955 void Bootstrapper::FreeThreadResources() { | 3999 void Bootstrapper::FreeThreadResources() { |
3956 DCHECK(!IsActive()); | 4000 DCHECK(!IsActive()); |
3957 } | 4001 } |
3958 | 4002 |
3959 } // namespace internal | 4003 } // namespace internal |
3960 } // namespace v8 | 4004 } // namespace v8 |
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