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1 // Copyright 2006-2009 the V8 project authors. All rights reserved. | 1 // Copyright 2006-2009 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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4309 Vector< Handle<Object> > arguments = HandleVector(&constructor, 1); | 4309 Vector< Handle<Object> > arguments = HandleVector(&constructor, 1); |
4310 Handle<Object> type_error = | 4310 Handle<Object> type_error = |
4311 Factory::NewTypeError("not_constructor", arguments); | 4311 Factory::NewTypeError("not_constructor", arguments); |
4312 return Top::Throw(*type_error); | 4312 return Top::Throw(*type_error); |
4313 } | 4313 } |
4314 | 4314 |
4315 Handle<JSFunction> function = Handle<JSFunction>::cast(constructor); | 4315 Handle<JSFunction> function = Handle<JSFunction>::cast(constructor); |
4316 #ifdef ENABLE_DEBUGGER_SUPPORT | 4316 #ifdef ENABLE_DEBUGGER_SUPPORT |
4317 // Handle stepping into constructors if step into is active. | 4317 // Handle stepping into constructors if step into is active. |
4318 if (Debug::StepInActive()) { | 4318 if (Debug::StepInActive()) { |
4319 Debug::HandleStepIn(function, 0, true); | 4319 Debug::HandleStepIn(function, Handle<Object>::null(), 0, true); |
4320 } | 4320 } |
4321 #endif | 4321 #endif |
4322 | 4322 |
4323 if (function->has_initial_map()) { | 4323 if (function->has_initial_map()) { |
4324 if (function->initial_map()->instance_type() == JS_FUNCTION_TYPE) { | 4324 if (function->initial_map()->instance_type() == JS_FUNCTION_TYPE) { |
4325 // The 'Function' function ignores the receiver object when | 4325 // The 'Function' function ignores the receiver object when |
4326 // called using 'new' and creates a new JSFunction object that | 4326 // called using 'new' and creates a new JSFunction object that |
4327 // is returned. The receiver object is only used for error | 4327 // is returned. The receiver object is only used for error |
4328 // reporting if an error occurs when constructing the new | 4328 // reporting if an error occurs when constructing the new |
4329 // JSFunction. Factory::NewJSObject() should not be used to | 4329 // JSFunction. Factory::NewJSObject() should not be used to |
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7559 } else { | 7559 } else { |
7560 // Handle last resort GC and make sure to allow future allocations | 7560 // Handle last resort GC and make sure to allow future allocations |
7561 // to grow the heap without causing GCs (if possible). | 7561 // to grow the heap without causing GCs (if possible). |
7562 Counters::gc_last_resort_from_js.Increment(); | 7562 Counters::gc_last_resort_from_js.Increment(); |
7563 Heap::CollectAllGarbage(); | 7563 Heap::CollectAllGarbage(); |
7564 } | 7564 } |
7565 } | 7565 } |
7566 | 7566 |
7567 | 7567 |
7568 } } // namespace v8::internal | 7568 } } // namespace v8::internal |
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