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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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185 | 185 |
186 virtual bool IsValidJSON() { return false; } | 186 virtual bool IsValidJSON() { return false; } |
187 virtual bool IsValidLeftHandSide() { return false; } | 187 virtual bool IsValidLeftHandSide() { return false; } |
188 | 188 |
189 // Mark the expression as being compiled as an expression | 189 // Mark the expression as being compiled as an expression |
190 // statement. This is used to transform postfix increments to | 190 // statement. This is used to transform postfix increments to |
191 // (faster) prefix increments. | 191 // (faster) prefix increments. |
192 virtual void MarkAsStatement() { /* do nothing */ } | 192 virtual void MarkAsStatement() { /* do nothing */ } |
193 | 193 |
194 // Static type information for this expression. | 194 // Static type information for this expression. |
195 SmiAnalysis* type() { return &type_; } | 195 StaticType* type() { return &type_; } |
196 | 196 |
197 Context context() { return context_; } | 197 Context context() { return context_; } |
198 void set_context(Context context) { context_ = context; } | 198 void set_context(Context context) { context_ = context; } |
199 | 199 |
200 private: | 200 private: |
201 SmiAnalysis type_; | 201 StaticType type_; |
202 Context context_; | 202 Context context_; |
203 }; | 203 }; |
204 | 204 |
205 | 205 |
206 /** | 206 /** |
207 * A sentinel used during pre parsing that represents some expression | 207 * A sentinel used during pre parsing that represents some expression |
208 * that is a valid left hand side without having to actually build | 208 * that is a valid left hand side without having to actually build |
209 * the expression. | 209 * the expression. |
210 */ | 210 */ |
211 class ValidLeftHandSideSentinel: public Expression { | 211 class ValidLeftHandSideSentinel: public Expression { |
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1783 #undef DEF_VISIT | 1783 #undef DEF_VISIT |
1784 | 1784 |
1785 private: | 1785 private: |
1786 bool stack_overflow_; | 1786 bool stack_overflow_; |
1787 }; | 1787 }; |
1788 | 1788 |
1789 | 1789 |
1790 } } // namespace v8::internal | 1790 } } // namespace v8::internal |
1791 | 1791 |
1792 #endif // V8_AST_H_ | 1792 #endif // V8_AST_H_ |
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