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1 // Copyright 2006-2008 the V8 project authors. All rights reserved. | 1 // Copyright 2006-2008 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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178 bool Object::IsSlicedString() { | 178 bool Object::IsSlicedString() { |
179 if (!IsString()) return false; | 179 if (!IsString()) return false; |
180 return StringShape(String::cast(this)).IsSliced(); | 180 return StringShape(String::cast(this)).IsSliced(); |
181 } | 181 } |
182 | 182 |
183 | 183 |
184 #endif // DEBUG | 184 #endif // DEBUG |
185 | 185 |
186 | 186 |
187 StringShape::StringShape(String* str) | 187 StringShape::StringShape(String* str) |
188 : type_(str->map()->instance_type()) | 188 : type_(str->map()->instance_type()) { |
189 #ifdef DEBUG | 189 set_valid(); |
190 , valid_(true) | |
191 #endif // def DEBUG | |
192 { | |
193 ASSERT((type_ & kIsNotStringMask) == kStringTag); | 190 ASSERT((type_ & kIsNotStringMask) == kStringTag); |
194 } | 191 } |
195 | 192 |
196 | 193 |
197 StringShape::StringShape(Map* map) | 194 StringShape::StringShape(Map* map) |
198 : type_(map->instance_type()) | 195 : type_(map->instance_type()) { |
199 #ifdef DEBUG | 196 set_valid(); |
200 , valid_(true) | |
201 #endif // def DEBUG | |
202 { | |
203 ASSERT((type_ & kIsNotStringMask) == kStringTag); | 197 ASSERT((type_ & kIsNotStringMask) == kStringTag); |
204 } | 198 } |
205 | 199 |
206 | 200 |
207 StringShape::StringShape(InstanceType t) | 201 StringShape::StringShape(InstanceType t) |
208 : type_(static_cast<uint32_t>(t)) | 202 : type_(static_cast<uint32_t>(t)) { |
209 #ifdef DEBUG | 203 set_valid(); |
210 , valid_(true) | |
211 #endif // def DEBUG | |
212 { | |
213 ASSERT((type_ & kIsNotStringMask) == kStringTag); | 204 ASSERT((type_ & kIsNotStringMask) == kStringTag); |
214 } | 205 } |
215 | 206 |
216 | 207 |
217 bool StringShape::IsSymbol() { | 208 bool StringShape::IsSymbol() { |
218 ASSERT(valid()); | 209 ASSERT(valid()); |
219 return (type_ & kIsSymbolMask) == kSymbolTag; | 210 return (type_ & kIsSymbolMask) == kSymbolTag; |
220 } | 211 } |
221 | 212 |
222 | 213 |
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2443 #undef WRITE_INT_FIELD | 2434 #undef WRITE_INT_FIELD |
2444 #undef READ_SHORT_FIELD | 2435 #undef READ_SHORT_FIELD |
2445 #undef WRITE_SHORT_FIELD | 2436 #undef WRITE_SHORT_FIELD |
2446 #undef READ_BYTE_FIELD | 2437 #undef READ_BYTE_FIELD |
2447 #undef WRITE_BYTE_FIELD | 2438 #undef WRITE_BYTE_FIELD |
2448 | 2439 |
2449 | 2440 |
2450 } } // namespace v8::internal | 2441 } } // namespace v8::internal |
2451 | 2442 |
2452 #endif // V8_OBJECTS_INL_H_ | 2443 #endif // V8_OBJECTS_INL_H_ |
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