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Issue 22934006: Handlify JSObject::DeepCopy method. (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge
Patch Set: Addressed comments by Toon Verwaest. Created 7 years, 3 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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1080 1080
1081 1081
1082 Failure* Isolate::StackOverflow() { 1082 Failure* Isolate::StackOverflow() {
1083 HandleScope scope(this); 1083 HandleScope scope(this);
1084 // At this point we cannot create an Error object using its javascript 1084 // At this point we cannot create an Error object using its javascript
1085 // constructor. Instead, we copy the pre-constructed boilerplate and 1085 // constructor. Instead, we copy the pre-constructed boilerplate and
1086 // attach the stack trace as a hidden property. 1086 // attach the stack trace as a hidden property.
1087 Handle<String> key = factory()->stack_overflow_string(); 1087 Handle<String> key = factory()->stack_overflow_string();
1088 Handle<JSObject> boilerplate = 1088 Handle<JSObject> boilerplate =
1089 Handle<JSObject>::cast(GetProperty(this, js_builtins_object(), key)); 1089 Handle<JSObject>::cast(GetProperty(this, js_builtins_object(), key));
1090 Handle<JSObject> exception = Copy(boilerplate); 1090 Handle<JSObject> exception = JSObject::Copy(boilerplate);
1091 DoThrow(*exception, NULL); 1091 DoThrow(*exception, NULL);
1092 1092
1093 // Get stack trace limit. 1093 // Get stack trace limit.
1094 Handle<Object> error = GetProperty(js_builtins_object(), "$Error"); 1094 Handle<Object> error = GetProperty(js_builtins_object(), "$Error");
1095 if (!error->IsJSObject()) return Failure::Exception(); 1095 if (!error->IsJSObject()) return Failure::Exception();
1096 Handle<Object> stack_trace_limit = 1096 Handle<Object> stack_trace_limit =
1097 GetProperty(Handle<JSObject>::cast(error), "stackTraceLimit"); 1097 GetProperty(Handle<JSObject>::cast(error), "stackTraceLimit");
1098 if (!stack_trace_limit->IsNumber()) return Failure::Exception(); 1098 if (!stack_trace_limit->IsNumber()) return Failure::Exception();
1099 double dlimit = stack_trace_limit->Number(); 1099 double dlimit = stack_trace_limit->Number();
1100 int limit = std::isnan(dlimit) ? 0 : static_cast<int>(dlimit); 1100 int limit = std::isnan(dlimit) ? 0 : static_cast<int>(dlimit);
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2525 2525
2526 #ifdef DEBUG 2526 #ifdef DEBUG
2527 #define ISOLATE_FIELD_OFFSET(type, name, ignored) \ 2527 #define ISOLATE_FIELD_OFFSET(type, name, ignored) \
2528 const intptr_t Isolate::name##_debug_offset_ = OFFSET_OF(Isolate, name##_); 2528 const intptr_t Isolate::name##_debug_offset_ = OFFSET_OF(Isolate, name##_);
2529 ISOLATE_INIT_LIST(ISOLATE_FIELD_OFFSET) 2529 ISOLATE_INIT_LIST(ISOLATE_FIELD_OFFSET)
2530 ISOLATE_INIT_ARRAY_LIST(ISOLATE_FIELD_OFFSET) 2530 ISOLATE_INIT_ARRAY_LIST(ISOLATE_FIELD_OFFSET)
2531 #undef ISOLATE_FIELD_OFFSET 2531 #undef ISOLATE_FIELD_OFFSET
2532 #endif 2532 #endif
2533 2533
2534 } } // namespace v8::internal 2534 } } // namespace v8::internal
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