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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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3755 // NewNumberFromDouble may return a Smi instead of a Number object | 3755 // NewNumberFromDouble may return a Smi instead of a Number object |
3756 return Heap::NewNumberFromDouble(x); | 3756 return Heap::NewNumberFromDouble(x); |
3757 } | 3757 } |
3758 | 3758 |
3759 | 3759 |
3760 static Object* Runtime_StringAdd(Arguments args) { | 3760 static Object* Runtime_StringAdd(Arguments args) { |
3761 NoHandleAllocation ha; | 3761 NoHandleAllocation ha; |
3762 ASSERT(args.length() == 2); | 3762 ASSERT(args.length() == 2); |
3763 CONVERT_CHECKED(String, str1, args[0]); | 3763 CONVERT_CHECKED(String, str1, args[0]); |
3764 CONVERT_CHECKED(String, str2, args[1]); | 3764 CONVERT_CHECKED(String, str2, args[1]); |
3765 Counters::cons_strings_runtime.Increment(); | |
3766 return Heap::AllocateConsString(str1, str2); | 3765 return Heap::AllocateConsString(str1, str2); |
3767 } | 3766 } |
3768 | 3767 |
3769 | 3768 |
3770 template<typename sinkchar> | 3769 template<typename sinkchar> |
3771 static inline void StringBuilderConcatHelper(String* special, | 3770 static inline void StringBuilderConcatHelper(String* special, |
3772 sinkchar* sink, | 3771 sinkchar* sink, |
3773 FixedArray* fixed_array, | 3772 FixedArray* fixed_array, |
3774 int array_length) { | 3773 int array_length) { |
3775 int position = 0; | 3774 int position = 0; |
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7915 } else { | 7914 } else { |
7916 // Handle last resort GC and make sure to allow future allocations | 7915 // Handle last resort GC and make sure to allow future allocations |
7917 // to grow the heap without causing GCs (if possible). | 7916 // to grow the heap without causing GCs (if possible). |
7918 Counters::gc_last_resort_from_js.Increment(); | 7917 Counters::gc_last_resort_from_js.Increment(); |
7919 Heap::CollectAllGarbage(false); | 7918 Heap::CollectAllGarbage(false); |
7920 } | 7919 } |
7921 } | 7920 } |
7922 | 7921 |
7923 | 7922 |
7924 } } // namespace v8::internal | 7923 } } // namespace v8::internal |
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