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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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1066 // Please note that this does not perform a garbage collection. | 1066 // Please note that this does not perform a garbage collection. |
1067 MUST_USE_RESULT MaybeObject* AllocateJSMessageObject( | 1067 MUST_USE_RESULT MaybeObject* AllocateJSMessageObject( |
1068 String* type, | 1068 String* type, |
1069 JSArray* arguments, | 1069 JSArray* arguments, |
1070 int start_position, | 1070 int start_position, |
1071 int end_position, | 1071 int end_position, |
1072 Object* script, | 1072 Object* script, |
1073 Object* stack_trace, | 1073 Object* stack_trace, |
1074 Object* stack_frames); | 1074 Object* stack_frames); |
1075 | 1075 |
1076 // Allocates a new cons string object. | |
1077 // Returns Failure::RetryAfterGC(requested_bytes, space) if the allocation | |
1078 // failed. | |
1079 // Please note this does not perform a garbage collection. | |
1080 MUST_USE_RESULT MaybeObject* AllocateConsString(String* first, | |
1081 String* second); | |
1082 | |
1083 // Allocates a new sub string object which is a substring of an underlying | |
1084 // string buffer stretching from the index start (inclusive) to the index | |
1085 // end (exclusive). | |
1086 // Returns Failure::RetryAfterGC(requested_bytes, space) if the allocation | |
1087 // failed. | |
1088 // Please note this does not perform a garbage collection. | |
1089 MUST_USE_RESULT MaybeObject* AllocateSubString( | |
1090 String* buffer, | |
1091 int start, | |
1092 int end, | |
1093 PretenureFlag pretenure = NOT_TENURED); | |
1094 | |
1095 // Allocate a new external string object, which is backed by a string | 1076 // Allocate a new external string object, which is backed by a string |
1096 // resource that resides outside the V8 heap. | 1077 // resource that resides outside the V8 heap. |
1097 // Returns Failure::RetryAfterGC(requested_bytes, space) if the allocation | 1078 // Returns Failure::RetryAfterGC(requested_bytes, space) if the allocation |
1098 // failed. | 1079 // failed. |
1099 // Please note this does not perform a garbage collection. | 1080 // Please note this does not perform a garbage collection. |
1100 MUST_USE_RESULT MaybeObject* AllocateExternalStringFromAscii( | 1081 MUST_USE_RESULT MaybeObject* AllocateExternalStringFromAscii( |
1101 const ExternalAsciiString::Resource* resource); | 1082 const ExternalAsciiString::Resource* resource); |
1102 MUST_USE_RESULT MaybeObject* AllocateExternalStringFromTwoByte( | 1083 MUST_USE_RESULT MaybeObject* AllocateExternalStringFromTwoByte( |
1103 const ExternalTwoByteString::Resource* resource); | 1084 const ExternalTwoByteString::Resource* resource); |
1104 | 1085 |
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3070 DisallowHeapAllocation no_allocation; // i.e. no gc allowed. | 3051 DisallowHeapAllocation no_allocation; // i.e. no gc allowed. |
3071 | 3052 |
3072 private: | 3053 private: |
3073 DISALLOW_IMPLICIT_CONSTRUCTORS(PathTracer); | 3054 DISALLOW_IMPLICIT_CONSTRUCTORS(PathTracer); |
3074 }; | 3055 }; |
3075 #endif // DEBUG | 3056 #endif // DEBUG |
3076 | 3057 |
3077 } } // namespace v8::internal | 3058 } } // namespace v8::internal |
3078 | 3059 |
3079 #endif // V8_HEAP_H_ | 3060 #endif // V8_HEAP_H_ |
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