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1 // Copyright 2008 the V8 project authors. All rights reserved. | 1 // Copyright 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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66 virtual bool CanReadUnaligned(); | 66 virtual bool CanReadUnaligned(); |
67 virtual void AdvanceCurrentPosition(int by) = 0; // Signed cp change. | 67 virtual void AdvanceCurrentPosition(int by) = 0; // Signed cp change. |
68 virtual void AdvanceRegister(int reg, int by) = 0; // r[reg] += by. | 68 virtual void AdvanceRegister(int reg, int by) = 0; // r[reg] += by. |
69 // Continues execution from the position pushed on the top of the backtrack | 69 // Continues execution from the position pushed on the top of the backtrack |
70 // stack by an earlier PushBacktrack(Label*). | 70 // stack by an earlier PushBacktrack(Label*). |
71 virtual void Backtrack() = 0; | 71 virtual void Backtrack() = 0; |
72 virtual void Bind(Label* label) = 0; | 72 virtual void Bind(Label* label) = 0; |
73 virtual void CheckAtStart(Label* on_at_start) = 0; | 73 virtual void CheckAtStart(Label* on_at_start) = 0; |
74 // Dispatch after looking the current character up in a 2-bits-per-entry | 74 // Dispatch after looking the current character up in a 2-bits-per-entry |
75 // map. The destinations vector has up to 4 labels. | 75 // map. The destinations vector has up to 4 labels. |
76 virtual void CheckCharacter(uint32_t c, Label* on_equal) = 0; | 76 virtual void CheckCharacter(unsigned c, Label* on_equal) = 0; |
77 // Bitwise and the current character with the given constant and then | 77 // Bitwise and the current character with the given constant and then |
78 // check for a match with c. | 78 // check for a match with c. |
79 virtual void CheckCharacterAfterAnd(uint32_t c, | 79 virtual void CheckCharacterAfterAnd(unsigned c, |
80 uint32_t and_with, | 80 unsigned and_with, |
81 Label* on_equal) = 0; | 81 Label* on_equal) = 0; |
82 virtual void CheckCharacterGT(uc16 limit, Label* on_greater) = 0; | 82 virtual void CheckCharacterGT(uc16 limit, Label* on_greater) = 0; |
83 virtual void CheckCharacterLT(uc16 limit, Label* on_less) = 0; | 83 virtual void CheckCharacterLT(uc16 limit, Label* on_less) = 0; |
84 // Check the current character for a match with a literal string. If we | 84 // Check the current character for a match with a literal string. If we |
85 // fail to match then goto the on_failure label. If check_eos is set then | 85 // fail to match then goto the on_failure label. If check_eos is set then |
86 // the end of input always fails. If check_eos is clear then it is the | 86 // the end of input always fails. If check_eos is clear then it is the |
87 // caller's responsibility to ensure that the end of string is not hit. | 87 // caller's responsibility to ensure that the end of string is not hit. |
88 // If the label is NULL then we should pop a backtrack address off | 88 // If the label is NULL then we should pop a backtrack address off |
89 // the stack and go to that. | 89 // the stack and go to that. |
90 virtual void CheckCharacters( | 90 virtual void CheckCharacters( |
91 Vector<const uc16> str, | 91 Vector<const uc16> str, |
92 int cp_offset, | 92 int cp_offset, |
93 Label* on_failure, | 93 Label* on_failure, |
94 bool check_eos) = 0; | 94 bool check_eos) = 0; |
95 virtual void CheckGreedyLoop(Label* on_tos_equals_current_position) = 0; | 95 virtual void CheckGreedyLoop(Label* on_tos_equals_current_position) = 0; |
96 virtual void CheckNotAtStart(Label* on_not_at_start) = 0; | 96 virtual void CheckNotAtStart(Label* on_not_at_start) = 0; |
97 virtual void CheckNotBackReference(int start_reg, Label* on_no_match) = 0; | 97 virtual void CheckNotBackReference(int start_reg, Label* on_no_match) = 0; |
98 virtual void CheckNotBackReferenceIgnoreCase(int start_reg, | 98 virtual void CheckNotBackReferenceIgnoreCase(int start_reg, |
99 Label* on_no_match) = 0; | 99 Label* on_no_match) = 0; |
100 // Check the current character for a match with a literal character. If we | 100 // Check the current character for a match with a literal character. If we |
101 // fail to match then goto the on_failure label. End of input always | 101 // fail to match then goto the on_failure label. End of input always |
102 // matches. If the label is NULL then we should pop a backtrack address off | 102 // matches. If the label is NULL then we should pop a backtrack address off |
103 // the stack and go to that. | 103 // the stack and go to that. |
104 virtual void CheckNotCharacter(uint32_t c, Label* on_not_equal) = 0; | 104 virtual void CheckNotCharacter(unsigned c, Label* on_not_equal) = 0; |
105 virtual void CheckNotCharacterAfterAnd(uint32_t c, | 105 virtual void CheckNotCharacterAfterAnd(unsigned c, |
106 uint32_t and_with, | 106 unsigned and_with, |
107 Label* on_not_equal) = 0; | 107 Label* on_not_equal) = 0; |
108 // Subtract a constant from the current character, then or with the given | 108 // Subtract a constant from the current character, then or with the given |
109 // constant and then check for a match with c. | 109 // constant and then check for a match with c. |
110 virtual void CheckNotCharacterAfterMinusAnd(uc16 c, | 110 virtual void CheckNotCharacterAfterMinusAnd(uc16 c, |
111 uc16 minus, | 111 uc16 minus, |
112 uc16 and_with, | 112 uc16 and_with, |
113 Label* on_not_equal) = 0; | 113 Label* on_not_equal) = 0; |
114 virtual void CheckNotRegistersEqual(int reg1, | 114 virtual void CheckNotRegistersEqual(int reg1, |
115 int reg2, | 115 int reg2, |
116 Label* on_not_equal) = 0; | 116 Label* on_not_equal) = 0; |
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222 const byte* input_start, | 222 const byte* input_start, |
223 const byte* input_end, | 223 const byte* input_end, |
224 int* output); | 224 int* output); |
225 }; | 225 }; |
226 | 226 |
227 #endif // V8_INTERPRETED_REGEXP | 227 #endif // V8_INTERPRETED_REGEXP |
228 | 228 |
229 } } // namespace v8::internal | 229 } } // namespace v8::internal |
230 | 230 |
231 #endif // V8_REGEXP_MACRO_ASSEMBLER_H_ | 231 #endif // V8_REGEXP_MACRO_ASSEMBLER_H_ |
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