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1 // Copyright 2014 the V8 project authors. All rights reserved. | 1 // Copyright 2014 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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162 } | 162 } |
163 | 163 |
164 bool EqualsString(const AstRawString* string) const { | 164 bool EqualsString(const AstRawString* string) const { |
165 return type_ == STRING && string_ == string; | 165 return type_ == STRING && string_ == string; |
166 } | 166 } |
167 | 167 |
168 bool IsPropertyName() const; | 168 bool IsPropertyName() const; |
169 | 169 |
170 bool BooleanValue() const; | 170 bool BooleanValue() const; |
171 | 171 |
| 172 bool IsTheHole() const { return type_ == THE_HOLE; } |
| 173 |
172 void Internalize(Isolate* isolate); | 174 void Internalize(Isolate* isolate); |
173 | 175 |
174 // Can be called after Internalize has been called. | 176 // Can be called after Internalize has been called. |
175 V8_INLINE Handle<Object> value() const { | 177 V8_INLINE Handle<Object> value() const { |
176 if (type_ == STRING) { | 178 if (type_ == STRING) { |
177 return string_->string(); | 179 return string_->string(); |
178 } | 180 } |
179 DCHECK(!value_.is_null()); | 181 DCHECK(!value_.is_null()); |
180 return value_; | 182 return value_; |
181 } | 183 } |
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364 #define F(name) AstValue* name##_; | 366 #define F(name) AstValue* name##_; |
365 OTHER_CONSTANTS(F) | 367 OTHER_CONSTANTS(F) |
366 #undef F | 368 #undef F |
367 }; | 369 }; |
368 } } // namespace v8::internal | 370 } } // namespace v8::internal |
369 | 371 |
370 #undef STRING_CONSTANTS | 372 #undef STRING_CONSTANTS |
371 #undef OTHER_CONSTANTS | 373 #undef OTHER_CONSTANTS |
372 | 374 |
373 #endif // V8_AST_VALUE_FACTORY_H_ | 375 #endif // V8_AST_VALUE_FACTORY_H_ |
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