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1 // Copyright 2011 the V8 project authors. All rights reserved. | 1 // Copyright 2011 the V8 project authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 | 5 |
6 #ifndef V8_REGEXP_BYTECODES_IRREGEXP_H_ | 6 #ifndef V8_REGEXP_BYTECODES_IRREGEXP_H_ |
7 #define V8_REGEXP_BYTECODES_IRREGEXP_H_ | 7 #define V8_REGEXP_BYTECODES_IRREGEXP_H_ |
8 | 8 |
9 #ifdef V8_INTERPRETED_REGEXP | 9 #ifdef V8_INTERPRETED_REGEXP |
10 | 10 |
11 namespace v8 { | 11 namespace v8 { |
12 namespace internal { | 12 namespace internal { |
13 | 13 |
14 | 14 |
15 const int BYTECODE_MASK = 0xff; | 15 const int BYTECODE_MASK = 0xff; |
16 // The first argument is packed in with the byte code in one word, but so it | 16 // The first argument is packed in with the byte code in one word, but so it |
17 // has 24 bits, but it can be positive and negative so only use 23 bits for | 17 // has 24 bits, but it can be positive and negative so only use 23 bits for |
18 // positive values. | 18 // positive values. |
19 const unsigned int MAX_FIRST_ARG = 0x7fffffu; | 19 const unsigned int MAX_FIRST_ARG = 0x7fffffu; |
20 const int BYTECODE_SHIFT = 8; | 20 const int BYTECODE_SHIFT = 8; |
21 | 21 |
22 #define BYTECODE_ITERATOR(V) \ | 22 #define BYTECODE_ITERATOR(V) \ |
23 V(BREAK, 0, 4) /* bc8 */ \ | 23 V(BREAK, 0, 4) /* bc8 */ \ |
24 V(PUSH_CP, 1, 4) /* bc8 pad24 */ \ | 24 V(PUSH_CP, 1, 4) /* bc8 pad24 */ \ |
25 V(PUSH_BT, 2, 8) /* bc8 pad24 offset32 */ \ | 25 V(PUSH_BT, 2, 8) /* bc8 pad24 offset32 */ \ |
26 V(PUSH_REGISTER, 3, 4) /* bc8 reg_idx24 */ \ | 26 V(PUSH_REGISTER, 3, 4) /* bc8 reg_idx24 */ \ |
27 V(SET_REGISTER_TO_CP, 4, 8) /* bc8 reg_idx24 offset32 */ \ | 27 V(SET_REGISTER_TO_CP, 4, 8) /* bc8 reg_idx24 offset32 */ \ |
28 V(SET_CP_TO_REGISTER, 5, 4) /* bc8 reg_idx24 */ \ | 28 V(SET_CP_TO_REGISTER, 5, 4) /* bc8 reg_idx24 */ \ |
29 V(SET_REGISTER_TO_SP, 6, 4) /* bc8 reg_idx24 */ \ | 29 V(SET_REGISTER_TO_SP, 6, 4) /* bc8 reg_idx24 */ \ |
30 V(SET_SP_TO_REGISTER, 7, 4) /* bc8 reg_idx24 */ \ | 30 V(SET_SP_TO_REGISTER, 7, 4) /* bc8 reg_idx24 */ \ |
31 V(SET_REGISTER, 8, 8) /* bc8 reg_idx24 value32 */ \ | 31 V(SET_REGISTER, 8, 8) /* bc8 reg_idx24 value32 */ \ |
32 V(ADVANCE_REGISTER, 9, 8) /* bc8 reg_idx24 value32 */ \ | 32 V(ADVANCE_REGISTER, 9, 8) /* bc8 reg_idx24 value32 */ \ |
33 V(POP_CP, 10, 4) /* bc8 pad24 */ \ | 33 V(POP_CP, 10, 4) /* bc8 pad24 */ \ |
34 V(POP_BT, 11, 4) /* bc8 pad24 */ \ | 34 V(POP_BT, 11, 4) /* bc8 pad24 */ \ |
35 V(POP_REGISTER, 12, 4) /* bc8 reg_idx24 */ \ | 35 V(POP_REGISTER, 12, 4) /* bc8 reg_idx24 */ \ |
36 V(FAIL, 13, 4) /* bc8 pad24 */ \ | 36 V(FAIL, 13, 4) /* bc8 pad24 */ \ |
37 V(SUCCEED, 14, 4) /* bc8 pad24 */ \ | 37 V(SUCCEED, 14, 4) /* bc8 pad24 */ \ |
38 V(ADVANCE_CP, 15, 4) /* bc8 offset24 */ \ | 38 V(ADVANCE_CP, 15, 4) /* bc8 offset24 */ \ |
39 V(GOTO, 16, 8) /* bc8 pad24 addr32 */ \ | 39 V(GOTO, 16, 8) /* bc8 pad24 addr32 */ \ |
40 V(LOAD_CURRENT_CHAR, 17, 8) /* bc8 offset24 addr32 */ \ | 40 V(LOAD_CURRENT_CHAR, 17, 8) /* bc8 offset24 addr32 */ \ |
41 V(LOAD_CURRENT_CHAR_UNCHECKED, 18, 4) /* bc8 offset24 */ \ | 41 V(LOAD_CURRENT_CHAR_UNCHECKED, 18, 4) /* bc8 offset24 */ \ |
42 V(LOAD_2_CURRENT_CHARS, 19, 8) /* bc8 offset24 addr32 */ \ | 42 V(LOAD_2_CURRENT_CHARS, 19, 8) /* bc8 offset24 addr32 */ \ |
43 V(LOAD_2_CURRENT_CHARS_UNCHECKED, 20, 4) /* bc8 offset24 */ \ | 43 V(LOAD_2_CURRENT_CHARS_UNCHECKED, 20, 4) /* bc8 offset24 */ \ |
44 V(LOAD_4_CURRENT_CHARS, 21, 8) /* bc8 offset24 addr32 */ \ | 44 V(LOAD_4_CURRENT_CHARS, 21, 8) /* bc8 offset24 addr32 */ \ |
45 V(LOAD_4_CURRENT_CHARS_UNCHECKED, 22, 4) /* bc8 offset24 */ \ | 45 V(LOAD_4_CURRENT_CHARS_UNCHECKED, 22, 4) /* bc8 offset24 */ \ |
46 V(CHECK_4_CHARS, 23, 12) /* bc8 pad24 uint32 addr32 */ \ | 46 V(CHECK_4_CHARS, 23, 12) /* bc8 pad24 uint32 addr32 */ \ |
47 V(CHECK_CHAR, 24, 8) /* bc8 pad8 uint16 addr32 */ \ | 47 V(CHECK_CHAR, 24, 8) /* bc8 pad8 uint16 addr32 */ \ |
48 V(CHECK_NOT_4_CHARS, 25, 12) /* bc8 pad24 uint32 addr32 */ \ | 48 V(CHECK_NOT_4_CHARS, 25, 12) /* bc8 pad24 uint32 addr32 */ \ |
49 V(CHECK_NOT_CHAR, 26, 8) /* bc8 pad8 uint16 addr32 */ \ | 49 V(CHECK_NOT_CHAR, 26, 8) /* bc8 pad8 uint16 addr32 */ \ |
50 V(AND_CHECK_4_CHARS, 27, 16) /* bc8 pad24 uint32 uint32 addr32 */ \ | 50 V(AND_CHECK_4_CHARS, 27, 16) /* bc8 pad24 uint32 uint32 addr32 */ \ |
51 V(AND_CHECK_CHAR, 28, 12) /* bc8 pad8 uint16 uint32 addr32 */ \ | 51 V(AND_CHECK_CHAR, 28, 12) /* bc8 pad8 uint16 uint32 addr32 */ \ |
52 V(AND_CHECK_NOT_4_CHARS, 29, 16) /* bc8 pad24 uint32 uint32 addr32 */ \ | 52 V(AND_CHECK_NOT_4_CHARS, 29, 16) /* bc8 pad24 uint32 uint32 addr32 */ \ |
53 V(AND_CHECK_NOT_CHAR, 30, 12) /* bc8 pad8 uint16 uint32 addr32 */ \ | 53 V(AND_CHECK_NOT_CHAR, 30, 12) /* bc8 pad8 uint16 uint32 addr32 */ \ |
54 V(MINUS_AND_CHECK_NOT_CHAR, 31, 12) /* bc8 pad8 uc16 uc16 uc16 addr32 */ \ | 54 V(MINUS_AND_CHECK_NOT_CHAR, 31, 12) /* bc8 pad8 uc16 uc16 uc16 addr32 */ \ |
55 V(CHECK_CHAR_IN_RANGE, 32, 12) /* bc8 pad24 uc16 uc16 addr32 */ \ | 55 V(CHECK_CHAR_IN_RANGE, 32, 12) /* bc8 pad24 uc16 uc16 addr32 */ \ |
56 V(CHECK_CHAR_NOT_IN_RANGE, 33, 12) /* bc8 pad24 uc16 uc16 addr32 */ \ | 56 V(CHECK_CHAR_NOT_IN_RANGE, 33, 12) /* bc8 pad24 uc16 uc16 addr32 */ \ |
57 V(CHECK_BIT_IN_TABLE, 34, 24) /* bc8 pad24 addr32 bits128 */ \ | 57 V(CHECK_BIT_IN_TABLE, 34, 24) /* bc8 pad24 addr32 bits128 */ \ |
58 V(CHECK_LT, 35, 8) /* bc8 pad8 uc16 addr32 */ \ | 58 V(CHECK_LT, 35, 8) /* bc8 pad8 uc16 addr32 */ \ |
59 V(CHECK_GT, 36, 8) /* bc8 pad8 uc16 addr32 */ \ | 59 V(CHECK_GT, 36, 8) /* bc8 pad8 uc16 addr32 */ \ |
60 V(CHECK_NOT_BACK_REF, 37, 8) /* bc8 reg_idx24 addr32 */ \ | 60 V(CHECK_NOT_BACK_REF, 37, 8) /* bc8 reg_idx24 addr32 */ \ |
61 V(CHECK_NOT_BACK_REF_NO_CASE, 38, 8) /* bc8 reg_idx24 addr32 */ \ | 61 V(CHECK_NOT_BACK_REF_NO_CASE, 38, 8) /* bc8 reg_idx24 addr32 */ \ |
62 V(CHECK_NOT_BACK_REF_BACKWARD, 39, 8) /* bc8 reg_idx24 addr32 */ \ | 62 V(CHECK_NOT_BACK_REF_NO_CASE_UNICODE, 39, 8) \ |
63 V(CHECK_NOT_BACK_REF_NO_CASE_BACKWARD, 40, 8) /* bc8 reg_idx24 addr32 */ \ | 63 V(CHECK_NOT_BACK_REF_BACKWARD, 40, 8) /* bc8 reg_idx24 addr32 */ \ |
64 V(CHECK_NOT_REGS_EQUAL, 41, 12) /* bc8 regidx24 reg_idx32 addr32 */ \ | 64 V(CHECK_NOT_BACK_REF_NO_CASE_BACKWARD, 41, 8) /* bc8 reg_idx24 addr32 */ \ |
65 V(CHECK_REGISTER_LT, 42, 12) /* bc8 reg_idx24 value32 addr32 */ \ | 65 V(CHECK_NOT_BACK_REF_NO_CASE_UNICODE_BACKWARD, 42, 8) \ |
66 V(CHECK_REGISTER_GE, 43, 12) /* bc8 reg_idx24 value32 addr32 */ \ | 66 V(CHECK_NOT_REGS_EQUAL, 43, 12) /* bc8 regidx24 reg_idx32 addr32 */ \ |
67 V(CHECK_REGISTER_EQ_POS, 44, 8) /* bc8 reg_idx24 addr32 */ \ | 67 V(CHECK_REGISTER_LT, 44, 12) /* bc8 reg_idx24 value32 addr32 */ \ |
68 V(CHECK_AT_START, 45, 8) /* bc8 pad24 addr32 */ \ | 68 V(CHECK_REGISTER_GE, 45, 12) /* bc8 reg_idx24 value32 addr32 */ \ |
69 V(CHECK_NOT_AT_START, 46, 8) /* bc8 offset24 addr32 */ \ | 69 V(CHECK_REGISTER_EQ_POS, 46, 8) /* bc8 reg_idx24 addr32 */ \ |
70 V(CHECK_GREEDY, 47, 8) /* bc8 pad24 addr32 */ \ | 70 V(CHECK_AT_START, 47, 8) /* bc8 pad24 addr32 */ \ |
71 V(ADVANCE_CP_AND_GOTO, 48, 8) /* bc8 offset24 addr32 */ \ | 71 V(CHECK_NOT_AT_START, 48, 8) /* bc8 offset24 addr32 */ \ |
72 V(SET_CURRENT_POSITION_FROM_END, 49, 4) /* bc8 idx24 */ | 72 V(CHECK_GREEDY, 49, 8) /* bc8 pad24 addr32 */ \ |
| 73 V(ADVANCE_CP_AND_GOTO, 50, 8) /* bc8 offset24 addr32 */ \ |
| 74 V(SET_CURRENT_POSITION_FROM_END, 51, 4) /* bc8 idx24 */ |
73 | 75 |
74 #define DECLARE_BYTECODES(name, code, length) \ | 76 #define DECLARE_BYTECODES(name, code, length) \ |
75 static const int BC_##name = code; | 77 static const int BC_##name = code; |
76 BYTECODE_ITERATOR(DECLARE_BYTECODES) | 78 BYTECODE_ITERATOR(DECLARE_BYTECODES) |
77 #undef DECLARE_BYTECODES | 79 #undef DECLARE_BYTECODES |
78 | 80 |
79 #define DECLARE_BYTECODE_LENGTH(name, code, length) \ | 81 #define DECLARE_BYTECODE_LENGTH(name, code, length) \ |
80 static const int BC_##name##_LENGTH = length; | 82 static const int BC_##name##_LENGTH = length; |
81 BYTECODE_ITERATOR(DECLARE_BYTECODE_LENGTH) | 83 BYTECODE_ITERATOR(DECLARE_BYTECODE_LENGTH) |
82 #undef DECLARE_BYTECODE_LENGTH | 84 #undef DECLARE_BYTECODE_LENGTH |
83 | 85 |
84 } // namespace internal | 86 } // namespace internal |
85 } // namespace v8 | 87 } // namespace v8 |
86 | 88 |
87 #endif // V8_INTERPRETED_REGEXP | 89 #endif // V8_INTERPRETED_REGEXP |
88 | 90 |
89 #endif // V8_REGEXP_BYTECODES_IRREGEXP_H_ | 91 #endif // V8_REGEXP_BYTECODES_IRREGEXP_H_ |
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