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1 // Copyright 2012 the V8 project authors. All rights reserved. | 1 // Copyright 2012 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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163 }; | 163 }; |
164 | 164 |
165 | 165 |
166 class PreParserApi { | 166 class PreParserApi { |
167 public: | 167 public: |
168 // Pre-parse a character stream and return full preparse data. | 168 // Pre-parse a character stream and return full preparse data. |
169 // | 169 // |
170 // This interface is here instead of in preparser.h because it instantiates a | 170 // This interface is here instead of in preparser.h because it instantiates a |
171 // preparser recorder object that is suited to the parser's purposes. Also, | 171 // preparser recorder object that is suited to the parser's purposes. Also, |
172 // the preparser doesn't know about ScriptDataImpl. | 172 // the preparser doesn't know about ScriptDataImpl. |
173 static ScriptDataImpl* PreParse(Utf16CharacterStream* source); | 173 static ScriptDataImpl* PreParse(Isolate* isolate, |
| 174 Utf16CharacterStream* source); |
174 }; | 175 }; |
175 | 176 |
176 | 177 |
177 // ---------------------------------------------------------------------------- | 178 // ---------------------------------------------------------------------------- |
178 // REGEXP PARSING | 179 // REGEXP PARSING |
179 | 180 |
180 // A BufferedZoneList is an automatically growing list, just like (and backed | 181 // A BufferedZoneList is an automatically growing list, just like (and backed |
181 // by) a ZoneList, that is optimized for the case of adding and removing | 182 // by) a ZoneList, that is optimized for the case of adding and removing |
182 // a single element. The last element added is stored outside the backing list, | 183 // a single element. The last element added is stored outside the backing list, |
183 // and if no more than one element is ever added, the ZoneList isn't even | 184 // and if no more than one element is ever added, the ZoneList isn't even |
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887 public: | 888 public: |
888 enum LiteralType { | 889 enum LiteralType { |
889 OBJECT_LITERAL_FAST_ELEMENTS, | 890 OBJECT_LITERAL_FAST_ELEMENTS, |
890 OBJECT_LITERAL_SLOW_ELEMENTS, | 891 OBJECT_LITERAL_SLOW_ELEMENTS, |
891 ARRAY_LITERAL | 892 ARRAY_LITERAL |
892 }; | 893 }; |
893 | 894 |
894 static bool IsCompileTimeValue(Expression* expression); | 895 static bool IsCompileTimeValue(Expression* expression); |
895 | 896 |
896 // Get the value as a compile time value. | 897 // Get the value as a compile time value. |
897 static Handle<FixedArray> GetValue(Expression* expression); | 898 static Handle<FixedArray> GetValue(Isolate* isolate, Expression* expression); |
898 | 899 |
899 // Get the type of a compile time value returned by GetValue(). | 900 // Get the type of a compile time value returned by GetValue(). |
900 static LiteralType GetLiteralType(Handle<FixedArray> value); | 901 static LiteralType GetLiteralType(Handle<FixedArray> value); |
901 | 902 |
902 // Get the elements array of a compile time value returned by GetValue(). | 903 // Get the elements array of a compile time value returned by GetValue(). |
903 static Handle<FixedArray> GetElements(Handle<FixedArray> value); | 904 static Handle<FixedArray> GetElements(Handle<FixedArray> value); |
904 | 905 |
905 private: | 906 private: |
906 static const int kLiteralTypeSlot = 0; | 907 static const int kLiteralTypeSlot = 0; |
907 static const int kElementsSlot = 1; | 908 static const int kElementsSlot = 1; |
908 | 909 |
909 DISALLOW_IMPLICIT_CONSTRUCTORS(CompileTimeValue); | 910 DISALLOW_IMPLICIT_CONSTRUCTORS(CompileTimeValue); |
910 }; | 911 }; |
911 | 912 |
912 } } // namespace v8::internal | 913 } } // namespace v8::internal |
913 | 914 |
914 #endif // V8_PARSER_H_ | 915 #endif // V8_PARSER_H_ |
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