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| 1 // Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file | 1 // Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file |
| 2 // for details. All rights reserved. Use of this source code is governed by a | 2 // for details. All rights reserved. Use of this source code is governed by a |
| 3 // BSD-style license that can be found in the LICENSE file. | 3 // BSD-style license that can be found in the LICENSE file. |
| 4 | 4 |
| 5 #include "vm/symbols.h" | 5 #include "vm/symbols.h" |
| 6 | 6 |
| 7 #include "vm/isolate.h" | 7 #include "vm/isolate.h" |
| 8 #include "vm/object.h" | 8 #include "vm/object.h" |
| 9 #include "vm/object_store.h" | 9 #include "vm/object_store.h" |
| 10 #include "vm/raw_object.h" | 10 #include "vm/raw_object.h" |
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| 89 intptr_t hash = str.Hash(); | 89 intptr_t hash = str.Hash(); |
| 90 intptr_t index = FindIndex(symbol_table, str, 0, str.Length(), hash); | 90 intptr_t index = FindIndex(symbol_table, str, 0, str.Length(), hash); |
| 91 ASSERT(symbol_table.At(index) == String::null()); | 91 ASSERT(symbol_table.At(index) == String::null()); |
| 92 InsertIntoSymbolTable(symbol_table, str, index); | 92 InsertIntoSymbolTable(symbol_table, str, index); |
| 93 } | 93 } |
| 94 | 94 |
| 95 | 95 |
| 96 RawString* Symbols::New(const char* str) { | 96 RawString* Symbols::New(const char* str) { |
| 97 intptr_t width = 0; | 97 intptr_t width = 0; |
| 98 intptr_t len = Utf8::CodePointCount(str, &width); | 98 intptr_t len = Utf8::CodePointCount(str, &width); |
| 99 Zone* zone = Isolate::Current()->current_zone(); | 99 StackZone* zone = Isolate::Current()->current_zone(); |
| 100 if (len == 0) { | 100 if (len == 0) { |
| 101 return Symbols::New(reinterpret_cast<uint8_t*>(NULL), 0); | 101 return Symbols::New(reinterpret_cast<uint8_t*>(NULL), 0); |
| 102 } else if (width == 1) { | 102 } else if (width == 1) { |
| 103 uint8_t* characters = zone->Alloc<uint8_t>(len); | 103 uint8_t* characters = zone->Alloc<uint8_t>(len); |
| 104 Utf8::Decode(str, characters, len); | 104 Utf8::Decode(str, characters, len); |
| 105 return New(characters, len); | 105 return New(characters, len); |
| 106 } else if (width == 2) { | 106 } else if (width == 2) { |
| 107 uint16_t* characters = zone->Alloc<uint16_t>(len); | 107 uint16_t* characters = zone->Alloc<uint16_t>(len); |
| 108 Utf8::Decode(str, characters, len); | 108 Utf8::Decode(str, characters, len); |
| 109 return New(characters, len); | 109 return New(characters, len); |
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| 312 } | 312 } |
| 313 | 313 |
| 314 | 314 |
| 315 RawObject* Symbols::GetVMSymbol(intptr_t object_id) { | 315 RawObject* Symbols::GetVMSymbol(intptr_t object_id) { |
| 316 ASSERT(IsVMSymbolId(object_id)); | 316 ASSERT(IsVMSymbolId(object_id)); |
| 317 intptr_t i = (object_id - kMaxPredefinedObjectIds); | 317 intptr_t i = (object_id - kMaxPredefinedObjectIds); |
| 318 return (i > 0 && i < Symbols::kMaxId) ? predefined_[i] : Object::null(); | 318 return (i > 0 && i < Symbols::kMaxId) ? predefined_[i] : Object::null(); |
| 319 } | 319 } |
| 320 | 320 |
| 321 } // namespace dart | 321 } // namespace dart |
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