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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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1863 | 1863 |
1864 Token::Value op() const { return op_; } | 1864 Token::Value op() const { return op_; } |
1865 Expression* target() const { return target_; } | 1865 Expression* target() const { return target_; } |
1866 Expression* value() const { return value_; } | 1866 Expression* value() const { return value_; } |
1867 virtual int position() const { return pos_; } | 1867 virtual int position() const { return pos_; } |
1868 BinaryOperation* binary_operation() const { return binary_operation_; } | 1868 BinaryOperation* binary_operation() const { return binary_operation_; } |
1869 | 1869 |
1870 // This check relies on the definition order of token in token.h. | 1870 // This check relies on the definition order of token in token.h. |
1871 bool is_compound() const { return op() > Token::ASSIGN; } | 1871 bool is_compound() const { return op() > Token::ASSIGN; } |
1872 | 1872 |
| 1873 // An initialization block is a series of statments of the form |
| 1874 // x.y.z.a = ...; x.y.z.b = ...; etc. The parser marks the beginning and |
| 1875 // ending of these blocks to allow for optimizations of initialization |
| 1876 // blocks. |
| 1877 bool starts_initialization_block() { return block_start_; } |
| 1878 bool ends_initialization_block() { return block_end_; } |
| 1879 void mark_block_start() { block_start_ = true; } |
| 1880 void mark_block_end() { block_end_ = true; } |
| 1881 |
1873 BailoutId AssignmentId() const { return assignment_id_; } | 1882 BailoutId AssignmentId() const { return assignment_id_; } |
1874 | 1883 |
1875 // Type feedback information. | 1884 // Type feedback information. |
1876 TypeFeedbackId AssignmentFeedbackId() { return reuse(id()); } | 1885 TypeFeedbackId AssignmentFeedbackId() { return reuse(id()); } |
1877 void RecordTypeFeedback(TypeFeedbackOracle* oracle, Zone* zone); | 1886 void RecordTypeFeedback(TypeFeedbackOracle* oracle, Zone* zone); |
1878 virtual bool IsMonomorphic() { return is_monomorphic_; } | 1887 virtual bool IsMonomorphic() { return is_monomorphic_; } |
1879 virtual SmallMapList* GetReceiverTypes() { return &receiver_types_; } | 1888 virtual SmallMapList* GetReceiverTypes() { return &receiver_types_; } |
1880 | 1889 |
1881 protected: | 1890 protected: |
1882 Assignment(Isolate* isolate, | 1891 Assignment(Isolate* isolate, |
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1895 } | 1904 } |
1896 | 1905 |
1897 private: | 1906 private: |
1898 Token::Value op_; | 1907 Token::Value op_; |
1899 Expression* target_; | 1908 Expression* target_; |
1900 Expression* value_; | 1909 Expression* value_; |
1901 int pos_; | 1910 int pos_; |
1902 BinaryOperation* binary_operation_; | 1911 BinaryOperation* binary_operation_; |
1903 const BailoutId assignment_id_; | 1912 const BailoutId assignment_id_; |
1904 | 1913 |
| 1914 bool block_start_; |
| 1915 bool block_end_; |
| 1916 |
1905 bool is_monomorphic_; | 1917 bool is_monomorphic_; |
1906 SmallMapList receiver_types_; | 1918 SmallMapList receiver_types_; |
1907 }; | 1919 }; |
1908 | 1920 |
1909 | 1921 |
1910 class Throw: public Expression { | 1922 class Throw: public Expression { |
1911 public: | 1923 public: |
1912 DECLARE_NODE_TYPE(Throw) | 1924 DECLARE_NODE_TYPE(Throw) |
1913 | 1925 |
1914 Expression* exception() const { return exception_; } | 1926 Expression* exception() const { return exception_; } |
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2903 private: | 2915 private: |
2904 Isolate* isolate_; | 2916 Isolate* isolate_; |
2905 Zone* zone_; | 2917 Zone* zone_; |
2906 Visitor visitor_; | 2918 Visitor visitor_; |
2907 }; | 2919 }; |
2908 | 2920 |
2909 | 2921 |
2910 } } // namespace v8::internal | 2922 } } // namespace v8::internal |
2911 | 2923 |
2912 #endif // V8_AST_H_ | 2924 #endif // V8_AST_H_ |
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