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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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1874 virtual bool ResultOverwriteAllowed(); | 1874 virtual bool ResultOverwriteAllowed(); |
1875 | 1875 |
1876 Token::Value op() const { return op_; } | 1876 Token::Value op() const { return op_; } |
1877 Expression* left() const { return left_; } | 1877 Expression* left() const { return left_; } |
1878 Expression* right() const { return right_; } | 1878 Expression* right() const { return right_; } |
1879 virtual int position() const { return pos_; } | 1879 virtual int position() const { return pos_; } |
1880 | 1880 |
1881 BailoutId RightId() const { return right_id_; } | 1881 BailoutId RightId() const { return right_id_; } |
1882 | 1882 |
1883 TypeFeedbackId BinaryOperationFeedbackId() const { return reuse(id()); } | 1883 TypeFeedbackId BinaryOperationFeedbackId() const { return reuse(id()); } |
1884 // TODO(rossberg): result_type should be subsumed by lower_type. | |
1885 Handle<Type> result_type() const { return result_type_; } | |
1886 void set_result_type(Handle<Type> type) { result_type_ = type; } | |
1887 Maybe<int> fixed_right_arg() const { return fixed_right_arg_; } | 1884 Maybe<int> fixed_right_arg() const { return fixed_right_arg_; } |
1888 void set_fixed_right_arg(Maybe<int> arg) { fixed_right_arg_ = arg; } | 1885 void set_fixed_right_arg(Maybe<int> arg) { fixed_right_arg_ = arg; } |
1889 | 1886 |
1890 protected: | 1887 protected: |
1891 BinaryOperation(Isolate* isolate, | 1888 BinaryOperation(Isolate* isolate, |
1892 Token::Value op, | 1889 Token::Value op, |
1893 Expression* left, | 1890 Expression* left, |
1894 Expression* right, | 1891 Expression* right, |
1895 int pos) | 1892 int pos) |
1896 : Expression(isolate), | 1893 : Expression(isolate), |
1897 op_(op), | 1894 op_(op), |
1898 left_(left), | 1895 left_(left), |
1899 right_(right), | 1896 right_(right), |
1900 pos_(pos), | 1897 pos_(pos), |
1901 right_id_(GetNextId(isolate)) { | 1898 right_id_(GetNextId(isolate)) { |
1902 ASSERT(Token::IsBinaryOp(op)); | 1899 ASSERT(Token::IsBinaryOp(op)); |
1903 } | 1900 } |
1904 | 1901 |
1905 private: | 1902 private: |
1906 Token::Value op_; | 1903 Token::Value op_; |
1907 Expression* left_; | 1904 Expression* left_; |
1908 Expression* right_; | 1905 Expression* right_; |
1909 int pos_; | 1906 int pos_; |
1910 | 1907 |
1911 Handle<Type> result_type_; | |
1912 // TODO(rossberg): the fixed arg should probably be represented as a Constant | 1908 // TODO(rossberg): the fixed arg should probably be represented as a Constant |
1913 // type for the RHS. | 1909 // type for the RHS. |
1914 Maybe<int> fixed_right_arg_; | 1910 Maybe<int> fixed_right_arg_; |
1915 | 1911 |
1916 // The short-circuit logical operations need an AST ID for their | 1912 // The short-circuit logical operations need an AST ID for their |
1917 // right-hand subexpression. | 1913 // right-hand subexpression. |
1918 const BailoutId right_id_; | 1914 const BailoutId right_id_; |
1919 }; | 1915 }; |
1920 | 1916 |
1921 | 1917 |
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3210 private: | 3206 private: |
3211 Isolate* isolate_; | 3207 Isolate* isolate_; |
3212 Zone* zone_; | 3208 Zone* zone_; |
3213 Visitor visitor_; | 3209 Visitor visitor_; |
3214 }; | 3210 }; |
3215 | 3211 |
3216 | 3212 |
3217 } } // namespace v8::internal | 3213 } } // namespace v8::internal |
3218 | 3214 |
3219 #endif // V8_AST_H_ | 3215 #endif // V8_AST_H_ |
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