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1 // Copyright 2007-2008 the V8 project authors. All rights reserved. | 1 // Copyright 2007-2008 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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2030 } | 2030 } |
2031 | 2031 |
2032 | 2032 |
2033 int String::WriteAscii(char* buffer, int start, int length) const { | 2033 int String::WriteAscii(char* buffer, int start, int length) const { |
2034 if (IsDeadCheck("v8::String::WriteAscii()")) return 0; | 2034 if (IsDeadCheck("v8::String::WriteAscii()")) return 0; |
2035 LOG_API("String::WriteAscii"); | 2035 LOG_API("String::WriteAscii"); |
2036 ASSERT(start >= 0 && length >= -1); | 2036 ASSERT(start >= 0 && length >= -1); |
2037 i::Handle<i::String> str = Utils::OpenHandle(this); | 2037 i::Handle<i::String> str = Utils::OpenHandle(this); |
2038 // Flatten the string for efficiency. This applies whether we are | 2038 // Flatten the string for efficiency. This applies whether we are |
2039 // using StringInputBuffer or Get(i) to access the characters. | 2039 // using StringInputBuffer or Get(i) to access the characters. |
2040 str->TryFlatten(i::StringShape(*str)); | 2040 str->TryFlattenIfNotFlat(i::StringShape(*str)); |
2041 int end = length; | 2041 int end = length; |
2042 if ( (length == -1) || (length > str->length() - start) ) | 2042 if ( (length == -1) || (length > str->length() - start) ) |
2043 end = str->length() - start; | 2043 end = str->length() - start; |
2044 if (end < 0) return 0; | 2044 if (end < 0) return 0; |
2045 write_input_buffer.Reset(start, *str); | 2045 write_input_buffer.Reset(start, *str); |
2046 int i; | 2046 int i; |
2047 for (i = 0; i < end; i++) { | 2047 for (i = 0; i < end; i++) { |
2048 char c = static_cast<char>(write_input_buffer.GetNext()); | 2048 char c = static_cast<char>(write_input_buffer.GetNext()); |
2049 if (c == '\0') c = ' '; | 2049 if (c == '\0') c = ' '; |
2050 buffer[i] = c; | 2050 buffer[i] = c; |
2051 } | 2051 } |
2052 if (length == -1 || i < length) | 2052 if (length == -1 || i < length) |
2053 buffer[i] = '\0'; | 2053 buffer[i] = '\0'; |
2054 return i; | 2054 return i; |
2055 } | 2055 } |
2056 | 2056 |
2057 | 2057 |
2058 int String::Write(uint16_t* buffer, int start, int length) const { | 2058 int String::Write(uint16_t* buffer, int start, int length) const { |
2059 if (IsDeadCheck("v8::String::Write()")) return 0; | 2059 if (IsDeadCheck("v8::String::Write()")) return 0; |
2060 LOG_API("String::Write"); | 2060 LOG_API("String::Write"); |
2061 ASSERT(start >= 0 && length >= -1); | 2061 ASSERT(start >= 0 && length >= -1); |
2062 i::Handle<i::String> str = Utils::OpenHandle(this); | 2062 i::Handle<i::String> str = Utils::OpenHandle(this); |
2063 // Flatten the string for efficiency. This applies whether we are | 2063 // Flatten the string for efficiency. This applies whether we are |
2064 // using StringInputBuffer or Get(i) to access the characters. | 2064 // using StringInputBuffer or Get(i) to access the characters. |
2065 str->TryFlatten(i::StringShape(*str)); | 2065 str->TryFlattenIfNotFlat(i::StringShape(*str)); |
2066 int end = length; | 2066 int end = length; |
2067 if ( (length == -1) || (length > str->length() - start) ) | 2067 if ( (length == -1) || (length > str->length() - start) ) |
2068 end = str->length() - start; | 2068 end = str->length() - start; |
2069 if (end < 0) return 0; | 2069 if (end < 0) return 0; |
2070 write_input_buffer.Reset(start, *str); | 2070 write_input_buffer.Reset(start, *str); |
2071 int i; | 2071 int i; |
2072 for (i = 0; i < end; i++) | 2072 for (i = 0; i < end; i++) |
2073 buffer[i] = write_input_buffer.GetNext(); | 2073 buffer[i] = write_input_buffer.GetNext(); |
2074 if (length == -1 || i < length) | 2074 if (length == -1 || i < length) |
2075 buffer[i] = '\0'; | 2075 buffer[i] = '\0'; |
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3011 reinterpret_cast<HandleScopeImplementer*>(storage); | 3011 reinterpret_cast<HandleScopeImplementer*>(storage); |
3012 List<void**>* blocks_of_archived_thread = thread_local->Blocks(); | 3012 List<void**>* blocks_of_archived_thread = thread_local->Blocks(); |
3013 ImplementationUtilities::HandleScopeData* handle_data_of_archived_thread = | 3013 ImplementationUtilities::HandleScopeData* handle_data_of_archived_thread = |
3014 &thread_local->handle_scope_data_; | 3014 &thread_local->handle_scope_data_; |
3015 Iterate(v, blocks_of_archived_thread, handle_data_of_archived_thread); | 3015 Iterate(v, blocks_of_archived_thread, handle_data_of_archived_thread); |
3016 | 3016 |
3017 return storage + ArchiveSpacePerThread(); | 3017 return storage + ArchiveSpacePerThread(); |
3018 } | 3018 } |
3019 | 3019 |
3020 } } // namespace v8::internal | 3020 } } // namespace v8::internal |
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