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Issue 233233004: Handlify GetProperty. (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge
Patch Set: Created 6 years, 8 months ago
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1 // Copyright 2012 the V8 project authors. All rights reserved. 1 // Copyright 2012 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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843 const char* const Isolate::kStackOverflowMessage = 843 const char* const Isolate::kStackOverflowMessage =
844 "Uncaught RangeError: Maximum call stack size exceeded"; 844 "Uncaught RangeError: Maximum call stack size exceeded";
845 845
846 846
847 Failure* Isolate::StackOverflow() { 847 Failure* Isolate::StackOverflow() {
848 HandleScope scope(this); 848 HandleScope scope(this);
849 // At this point we cannot create an Error object using its javascript 849 // At this point we cannot create an Error object using its javascript
850 // constructor. Instead, we copy the pre-constructed boilerplate and 850 // constructor. Instead, we copy the pre-constructed boilerplate and
851 // attach the stack trace as a hidden property. 851 // attach the stack trace as a hidden property.
852 Handle<String> key = factory()->stack_overflow_string(); 852 Handle<String> key = factory()->stack_overflow_string();
853 Handle<JSObject> boilerplate = 853 Handle<JSObject> boilerplate = Handle<JSObject>::cast(
854 Handle<JSObject>::cast(Object::GetProperty(js_builtins_object(), key)); 854 Object::GetProperty(js_builtins_object(), key).ToHandleChecked());
855 Handle<JSObject> exception = JSObject::Copy(boilerplate); 855 Handle<JSObject> exception = JSObject::Copy(boilerplate);
856 DoThrow(*exception, NULL); 856 DoThrow(*exception, NULL);
857 857
858 // Get stack trace limit. 858 // Get stack trace limit.
859 Handle<Object> error = 859 Handle<Object> error =
860 GetProperty(js_builtins_object(), "$Error").ToHandleChecked(); 860 GetProperty(js_builtins_object(), "$Error").ToHandleChecked();
861 if (!error->IsJSObject()) return Failure::Exception(); 861 if (!error->IsJSObject()) return Failure::Exception();
862 Handle<Object> stack_trace_limit = 862 Handle<Object> stack_trace_limit =
863 GetProperty( 863 GetProperty(
864 Handle<JSObject>::cast(error), "stackTraceLimit").ToHandleChecked(); 864 Handle<JSObject>::cast(error), "stackTraceLimit").ToHandleChecked();
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1043 return handler == NULL; 1043 return handler == NULL;
1044 } 1044 }
1045 } 1045 }
1046 1046
1047 1047
1048 bool Isolate::IsErrorObject(Handle<Object> obj) { 1048 bool Isolate::IsErrorObject(Handle<Object> obj) {
1049 if (!obj->IsJSObject()) return false; 1049 if (!obj->IsJSObject()) return false;
1050 1050
1051 Handle<String> error_key = 1051 Handle<String> error_key =
1052 factory()->InternalizeOneByteString(STATIC_ASCII_VECTOR("$Error")); 1052 factory()->InternalizeOneByteString(STATIC_ASCII_VECTOR("$Error"));
1053 Handle<Object> error_constructor = GlobalObject::GetPropertyNoExceptionThrown( 1053 Handle<Object> error_constructor = Object::GetProperty(
1054 js_builtins_object(), error_key); 1054 js_builtins_object(), error_key).ToHandleChecked();
1055 1055
1056 DisallowHeapAllocation no_gc; 1056 DisallowHeapAllocation no_gc;
1057 for (Object* prototype = *obj; !prototype->IsNull(); 1057 for (Object* prototype = *obj; !prototype->IsNull();
1058 prototype = prototype->GetPrototype(this)) { 1058 prototype = prototype->GetPrototype(this)) {
1059 if (!prototype->IsJSObject()) return false; 1059 if (!prototype->IsJSObject()) return false;
1060 if (JSObject::cast(prototype)->map()->constructor() == 1060 if (JSObject::cast(prototype)->map()->constructor() ==
1061 *error_constructor) { 1061 *error_constructor) {
1062 return true; 1062 return true;
1063 } 1063 }
1064 } 1064 }
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2287 Handle<JSObject> obj = factory()->NewJSObjectFromMap(map); 2287 Handle<JSObject> obj = factory()->NewJSObjectFromMap(map);
2288 JSObject::NormalizeProperties(obj, KEEP_INOBJECT_PROPERTIES, 8); 2288 JSObject::NormalizeProperties(obj, KEEP_INOBJECT_PROPERTIES, 8);
2289 JSObject::SetProperty(registry, name, obj, NONE, STRICT).Assert(); 2289 JSObject::SetProperty(registry, name, obj, NONE, STRICT).Assert();
2290 } 2290 }
2291 } 2291 }
2292 return Handle<JSObject>::cast(factory()->symbol_registry()); 2292 return Handle<JSObject>::cast(factory()->symbol_registry());
2293 } 2293 }
2294 2294
2295 2295
2296 } } // namespace v8::internal 2296 } } // namespace v8::internal
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