OLD | NEW |
1 // Copyright 2010 the V8 project authors. All rights reserved. | 1 // Copyright 2010 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 |
(...skipping 3109 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
3120 LOG_API("String::Write"); | 3120 LOG_API("String::Write"); |
3121 ENTER_V8; | 3121 ENTER_V8; |
3122 ASSERT(start >= 0 && length >= -1); | 3122 ASSERT(start >= 0 && length >= -1); |
3123 i::Handle<i::String> str = Utils::OpenHandle(this); | 3123 i::Handle<i::String> str = Utils::OpenHandle(this); |
3124 StringTracker::RecordWrite(str); | 3124 StringTracker::RecordWrite(str); |
3125 if (hints & HINT_MANY_WRITES_EXPECTED) { | 3125 if (hints & HINT_MANY_WRITES_EXPECTED) { |
3126 // Flatten the string for efficiency. This applies whether we are | 3126 // Flatten the string for efficiency. This applies whether we are |
3127 // using StringInputBuffer or Get(i) to access the characters. | 3127 // using StringInputBuffer or Get(i) to access the characters. |
3128 str->TryFlatten(); | 3128 str->TryFlatten(); |
3129 } | 3129 } |
3130 int end = length; | 3130 int end = start + length; |
3131 if ( (length == -1) || (length > str->length() - start) ) | 3131 if ((length == -1) || (length > str->length() - start) ) |
3132 end = str->length() - start; | 3132 end = str->length(); |
3133 if (end < 0) return 0; | 3133 if (end < 0) return 0; |
3134 i::String::WriteToFlat(*str, buffer, start, end); | 3134 i::String::WriteToFlat(*str, buffer, start, end); |
3135 if (length == -1 || end < length) | 3135 if (length == -1 || end - start < length) { |
3136 buffer[end] = '\0'; | 3136 buffer[end - start] = '\0'; |
3137 return end; | 3137 } |
| 3138 return end - start; |
3138 } | 3139 } |
3139 | 3140 |
3140 | 3141 |
3141 bool v8::String::IsExternal() const { | 3142 bool v8::String::IsExternal() const { |
3142 EnsureInitialized("v8::String::IsExternal()"); | 3143 EnsureInitialized("v8::String::IsExternal()"); |
3143 i::Handle<i::String> str = Utils::OpenHandle(this); | 3144 i::Handle<i::String> str = Utils::OpenHandle(this); |
3144 return i::StringShape(*str).IsExternalTwoByte(); | 3145 return i::StringShape(*str).IsExternalTwoByte(); |
3145 } | 3146 } |
3146 | 3147 |
3147 | 3148 |
(...skipping 1957 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
5105 | 5106 |
5106 | 5107 |
5107 char* HandleScopeImplementer::Iterate(ObjectVisitor* v, char* storage) { | 5108 char* HandleScopeImplementer::Iterate(ObjectVisitor* v, char* storage) { |
5108 HandleScopeImplementer* thread_local = | 5109 HandleScopeImplementer* thread_local = |
5109 reinterpret_cast<HandleScopeImplementer*>(storage); | 5110 reinterpret_cast<HandleScopeImplementer*>(storage); |
5110 thread_local->IterateThis(v); | 5111 thread_local->IterateThis(v); |
5111 return storage + ArchiveSpacePerThread(); | 5112 return storage + ArchiveSpacePerThread(); |
5112 } | 5113 } |
5113 | 5114 |
5114 } } // namespace v8::internal | 5115 } } // namespace v8::internal |
OLD | NEW |