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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 // 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 #ifndef V8_REGEXP_IA32_REGEXP_MACRO_ASSEMBLER_IA32_H_ | 5 #ifndef V8_REGEXP_IA32_REGEXP_MACRO_ASSEMBLER_IA32_H_ |
6 #define V8_REGEXP_IA32_REGEXP_MACRO_ASSEMBLER_IA32_H_ | 6 #define V8_REGEXP_IA32_REGEXP_MACRO_ASSEMBLER_IA32_H_ |
7 | 7 |
8 #include "src/ia32/assembler-ia32.h" | 8 #include "src/ia32/assembler-ia32.h" |
9 #include "src/macro-assembler.h" | 9 #include "src/macro-assembler.h" |
10 #include "src/regexp/regexp-macro-assembler.h" | 10 #include "src/regexp/regexp-macro-assembler.h" |
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26 virtual void CheckAtStart(Label* on_at_start); | 26 virtual void CheckAtStart(Label* on_at_start); |
27 virtual void CheckCharacter(uint32_t c, Label* on_equal); | 27 virtual void CheckCharacter(uint32_t c, Label* on_equal); |
28 virtual void CheckCharacterAfterAnd(uint32_t c, | 28 virtual void CheckCharacterAfterAnd(uint32_t c, |
29 uint32_t mask, | 29 uint32_t mask, |
30 Label* on_equal); | 30 Label* on_equal); |
31 virtual void CheckCharacterGT(uc16 limit, Label* on_greater); | 31 virtual void CheckCharacterGT(uc16 limit, Label* on_greater); |
32 virtual void CheckCharacterLT(uc16 limit, Label* on_less); | 32 virtual void CheckCharacterLT(uc16 limit, Label* on_less); |
33 // A "greedy loop" is a loop that is both greedy and with a simple | 33 // A "greedy loop" is a loop that is both greedy and with a simple |
34 // body. It has a particularly simple implementation. | 34 // body. It has a particularly simple implementation. |
35 virtual void CheckGreedyLoop(Label* on_tos_equals_current_position); | 35 virtual void CheckGreedyLoop(Label* on_tos_equals_current_position); |
36 virtual void CheckNotAtStart(int cp_offset, Label* on_not_at_start); | 36 virtual void CheckNotAtStart(Label* on_not_at_start); |
37 virtual void CheckNotBackReference(int start_reg, bool read_backward, | 37 virtual void CheckNotBackReference(int start_reg, Label* on_no_match); |
38 Label* on_no_match); | |
39 virtual void CheckNotBackReferenceIgnoreCase(int start_reg, | 38 virtual void CheckNotBackReferenceIgnoreCase(int start_reg, |
40 bool read_backward, | |
41 Label* on_no_match); | 39 Label* on_no_match); |
42 virtual void CheckNotCharacter(uint32_t c, Label* on_not_equal); | 40 virtual void CheckNotCharacter(uint32_t c, Label* on_not_equal); |
43 virtual void CheckNotCharacterAfterAnd(uint32_t c, | 41 virtual void CheckNotCharacterAfterAnd(uint32_t c, |
44 uint32_t mask, | 42 uint32_t mask, |
45 Label* on_not_equal); | 43 Label* on_not_equal); |
46 virtual void CheckNotCharacterAfterMinusAnd(uc16 c, | 44 virtual void CheckNotCharacterAfterMinusAnd(uc16 c, |
47 uc16 minus, | 45 uc16 minus, |
48 uc16 mask, | 46 uc16 mask, |
49 Label* on_not_equal); | 47 Label* on_not_equal); |
50 virtual void CheckCharacterInRange(uc16 from, | 48 virtual void CheckCharacterInRange(uc16 from, |
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111 static const int kStackHighEnd = kNumOutputRegisters + kPointerSize; | 109 static const int kStackHighEnd = kNumOutputRegisters + kPointerSize; |
112 static const int kDirectCall = kStackHighEnd + kPointerSize; | 110 static const int kDirectCall = kStackHighEnd + kPointerSize; |
113 static const int kIsolate = kDirectCall + kPointerSize; | 111 static const int kIsolate = kDirectCall + kPointerSize; |
114 // Below the frame pointer - local stack variables. | 112 // Below the frame pointer - local stack variables. |
115 // When adding local variables remember to push space for them in | 113 // When adding local variables remember to push space for them in |
116 // the frame in GetCode. | 114 // the frame in GetCode. |
117 static const int kBackup_esi = kFramePointer - kPointerSize; | 115 static const int kBackup_esi = kFramePointer - kPointerSize; |
118 static const int kBackup_edi = kBackup_esi - kPointerSize; | 116 static const int kBackup_edi = kBackup_esi - kPointerSize; |
119 static const int kBackup_ebx = kBackup_edi - kPointerSize; | 117 static const int kBackup_ebx = kBackup_edi - kPointerSize; |
120 static const int kSuccessfulCaptures = kBackup_ebx - kPointerSize; | 118 static const int kSuccessfulCaptures = kBackup_ebx - kPointerSize; |
121 static const int kStringStartMinusOne = kSuccessfulCaptures - kPointerSize; | 119 static const int kInputStartMinusOne = kSuccessfulCaptures - kPointerSize; |
122 // First register address. Following registers are below it on the stack. | 120 // First register address. Following registers are below it on the stack. |
123 static const int kRegisterZero = kStringStartMinusOne - kPointerSize; | 121 static const int kRegisterZero = kInputStartMinusOne - kPointerSize; |
124 | 122 |
125 // Initial size of code buffer. | 123 // Initial size of code buffer. |
126 static const size_t kRegExpCodeSize = 1024; | 124 static const size_t kRegExpCodeSize = 1024; |
127 | 125 |
128 // Load a number of characters at the given offset from the | 126 // Load a number of characters at the given offset from the |
129 // current position, into the current-character register. | 127 // current position, into the current-character register. |
130 void LoadCurrentCharacterUnchecked(int cp_offset, int character_count); | 128 void LoadCurrentCharacterUnchecked(int cp_offset, int character_count); |
131 | 129 |
132 // Check whether preemption has been requested. | 130 // Check whether preemption has been requested. |
133 void CheckPreemption(); | 131 void CheckPreemption(); |
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195 Label exit_label_; | 193 Label exit_label_; |
196 Label check_preempt_label_; | 194 Label check_preempt_label_; |
197 Label stack_overflow_label_; | 195 Label stack_overflow_label_; |
198 }; | 196 }; |
199 #endif // V8_INTERPRETED_REGEXP | 197 #endif // V8_INTERPRETED_REGEXP |
200 | 198 |
201 } // namespace internal | 199 } // namespace internal |
202 } // namespace v8 | 200 } // namespace v8 |
203 | 201 |
204 #endif // V8_REGEXP_IA32_REGEXP_MACRO_ASSEMBLER_IA32_H_ | 202 #endif // V8_REGEXP_IA32_REGEXP_MACRO_ASSEMBLER_IA32_H_ |
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