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| 1 // Copyright 2006-2008 the V8 project authors. All rights reserved. | 1 // Copyright 2006-2008 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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| 886 } | 886 } |
| 887 | 887 |
| 888 | 888 |
| 889 void HeapNumber::HeapNumberPrint(StringStream* accumulator) { | 889 void HeapNumber::HeapNumberPrint(StringStream* accumulator) { |
| 890 // The Windows version of vsnprintf can allocate when printing a %g string | 890 // The Windows version of vsnprintf can allocate when printing a %g string |
| 891 // into a buffer that may not be big enough. We don't want random memory | 891 // into a buffer that may not be big enough. We don't want random memory |
| 892 // allocation when producing post-crash stack traces, so we print into a | 892 // allocation when producing post-crash stack traces, so we print into a |
| 893 // buffer that is plenty big enough for any floating point number, then | 893 // buffer that is plenty big enough for any floating point number, then |
| 894 // print that using vsnprintf (which may truncate but never allocate if | 894 // print that using vsnprintf (which may truncate but never allocate if |
| 895 // there is no more space in the buffer). | 895 // there is no more space in the buffer). |
| 896 char buffer[100]; | 896 EmbeddedVector<char, 100> buffer; |
| 897 OS::SNPrintF(buffer, sizeof(buffer), "%.16g", Number()); | 897 OS::SNPrintF(buffer, "%.16g", Number()); |
| 898 accumulator->Add("%s", buffer); | 898 accumulator->Add("%s", buffer.start()); |
| 899 } | 899 } |
| 900 | 900 |
| 901 | 901 |
| 902 String* JSObject::class_name() { | 902 String* JSObject::class_name() { |
| 903 if (IsJSFunction()) return Heap::function_class_symbol(); | 903 if (IsJSFunction()) return Heap::function_class_symbol(); |
| 904 // If the constructor is not present "Object" is returned. | 904 // If the constructor is not present "Object" is returned. |
| 905 String* result = Heap::Object_symbol(); | 905 String* result = Heap::Object_symbol(); |
| 906 if (map()->constructor()->IsJSFunction()) { | 906 if (map()->constructor()->IsJSFunction()) { |
| 907 JSFunction* constructor = JSFunction::cast(map()->constructor()); | 907 JSFunction* constructor = JSFunction::cast(map()->constructor()); |
| 908 return String::cast(constructor->shared()->instance_class_name()); | 908 return String::cast(constructor->shared()->instance_class_name()); |
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| 6261 // No break point. | 6261 // No break point. |
| 6262 if (break_point_objects()->IsUndefined()) return 0; | 6262 if (break_point_objects()->IsUndefined()) return 0; |
| 6263 // Single beak point. | 6263 // Single beak point. |
| 6264 if (!break_point_objects()->IsFixedArray()) return 1; | 6264 if (!break_point_objects()->IsFixedArray()) return 1; |
| 6265 // Multiple break points. | 6265 // Multiple break points. |
| 6266 return FixedArray::cast(break_point_objects())->length(); | 6266 return FixedArray::cast(break_point_objects())->length(); |
| 6267 } | 6267 } |
| 6268 | 6268 |
| 6269 | 6269 |
| 6270 } } // namespace v8::internal | 6270 } } // namespace v8::internal |
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