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Issue 1418963009: Experimental support for RegExp lookbehind. (Closed) Base URL: https://chromium.googlesource.com/v8/v8.git@master
Patch Set: fix arm64 debug code assertion Created 5 years, 1 month ago
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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 #ifndef V8_REGEXP_MIPS_REGEXP_MACRO_ASSEMBLER_MIPS_H_ 5 #ifndef V8_REGEXP_MIPS_REGEXP_MACRO_ASSEMBLER_MIPS_H_
6 #define V8_REGEXP_MIPS_REGEXP_MACRO_ASSEMBLER_MIPS_H_ 6 #define V8_REGEXP_MIPS_REGEXP_MACRO_ASSEMBLER_MIPS_H_
7 7
8 #include "src/macro-assembler.h" 8 #include "src/macro-assembler.h"
9 #include "src/mips64/assembler-mips64.h" 9 #include "src/mips64/assembler-mips64.h"
10 #include "src/regexp/regexp-macro-assembler.h" 10 #include "src/regexp/regexp-macro-assembler.h"
(...skipping 15 matching lines...) Expand all
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(Label* on_not_at_start); 36 virtual void CheckNotAtStart(int cp_offset, Label* on_not_at_start);
37 virtual void CheckNotBackReference(int start_reg, Label* on_no_match); 37 virtual void CheckNotBackReference(int start_reg, bool read_backward,
38 Label* on_no_match);
38 virtual void CheckNotBackReferenceIgnoreCase(int start_reg, 39 virtual void CheckNotBackReferenceIgnoreCase(int start_reg,
40 bool read_backward,
39 Label* on_no_match); 41 Label* on_no_match);
40 virtual void CheckNotCharacter(uint32_t c, Label* on_not_equal); 42 virtual void CheckNotCharacter(uint32_t c, Label* on_not_equal);
41 virtual void CheckNotCharacterAfterAnd(uint32_t c, 43 virtual void CheckNotCharacterAfterAnd(uint32_t c,
42 uint32_t mask, 44 uint32_t mask,
43 Label* on_not_equal); 45 Label* on_not_equal);
44 virtual void CheckNotCharacterAfterMinusAnd(uc16 c, 46 virtual void CheckNotCharacterAfterMinusAnd(uc16 c,
45 uc16 minus, 47 uc16 minus,
46 uc16 mask, 48 uc16 mask,
47 Label* on_not_equal); 49 Label* on_not_equal);
48 virtual void CheckCharacterInRange(uc16 from, 50 virtual void CheckCharacterInRange(uc16 from,
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118 static const int kStackHighEnd = kDirectCall - kPointerSize; 120 static const int kStackHighEnd = kDirectCall - kPointerSize;
119 static const int kNumOutputRegisters = kStackHighEnd - kPointerSize; 121 static const int kNumOutputRegisters = kStackHighEnd - kPointerSize;
120 static const int kRegisterOutput = kNumOutputRegisters - kPointerSize; 122 static const int kRegisterOutput = kNumOutputRegisters - kPointerSize;
121 static const int kInputEnd = kRegisterOutput - kPointerSize; 123 static const int kInputEnd = kRegisterOutput - kPointerSize;
122 static const int kInputStart = kInputEnd - kPointerSize; 124 static const int kInputStart = kInputEnd - kPointerSize;
123 static const int kStartIndex = kInputStart - kPointerSize; 125 static const int kStartIndex = kInputStart - kPointerSize;
124 static const int kInputString = kStartIndex - kPointerSize; 126 static const int kInputString = kStartIndex - kPointerSize;
125 // When adding local variables remember to push space for them in 127 // When adding local variables remember to push space for them in
126 // the frame in GetCode. 128 // the frame in GetCode.
127 static const int kSuccessfulCaptures = kInputString - kPointerSize; 129 static const int kSuccessfulCaptures = kInputString - kPointerSize;
128 static const int kInputStartMinusOne = kSuccessfulCaptures - kPointerSize; 130 static const int kStringStartMinusOne = kSuccessfulCaptures - kPointerSize;
129 // First register address. Following registers are below it on the stack. 131 // First register address. Following registers are below it on the stack.
130 static const int kRegisterZero = kInputStartMinusOne - kPointerSize; 132 static const int kRegisterZero = kStringStartMinusOne - kPointerSize;
131 133
132 #elif defined(MIPS_ABI_O32) 134 #elif defined(MIPS_ABI_O32)
133 // Offsets from frame_pointer() of function parameters and stored registers. 135 // Offsets from frame_pointer() of function parameters and stored registers.
134 static const int kFramePointer = 0; 136 static const int kFramePointer = 0;
135 137
136 // Above the frame pointer - Stored registers and stack passed parameters. 138 // Above the frame pointer - Stored registers and stack passed parameters.
137 // Registers s0 to s7, fp, and ra. 139 // Registers s0 to s7, fp, and ra.
138 static const int kStoredRegisters = kFramePointer; 140 static const int kStoredRegisters = kFramePointer;
139 // Return address (stored from link register, read into pc on return). 141 // Return address (stored from link register, read into pc on return).
140 static const int kReturnAddress = kStoredRegisters + 9 * kPointerSize; 142 static const int kReturnAddress = kStoredRegisters + 9 * kPointerSize;
(...skipping 10 matching lines...) Expand all
151 153
152 // Below the frame pointer. 154 // Below the frame pointer.
153 // Register parameters stored by setup code. 155 // Register parameters stored by setup code.
154 static const int kInputEnd = kFramePointer - kPointerSize; 156 static const int kInputEnd = kFramePointer - kPointerSize;
155 static const int kInputStart = kInputEnd - kPointerSize; 157 static const int kInputStart = kInputEnd - kPointerSize;
156 static const int kStartIndex = kInputStart - kPointerSize; 158 static const int kStartIndex = kInputStart - kPointerSize;
157 static const int kInputString = kStartIndex - kPointerSize; 159 static const int kInputString = kStartIndex - kPointerSize;
158 // When adding local variables remember to push space for them in 160 // When adding local variables remember to push space for them in
159 // the frame in GetCode. 161 // the frame in GetCode.
160 static const int kSuccessfulCaptures = kInputString - kPointerSize; 162 static const int kSuccessfulCaptures = kInputString - kPointerSize;
161 static const int kInputStartMinusOne = kSuccessfulCaptures - kPointerSize; 163 static const int kStringStartMinusOne = kSuccessfulCaptures - kPointerSize;
162 // First register address. Following registers are below it on the stack. 164 // First register address. Following registers are below it on the stack.
163 static const int kRegisterZero = kInputStartMinusOne - kPointerSize; 165 static const int kRegisterZero = kStringStartMinusOne - kPointerSize;
164 166
165 #else 167 #else
166 # error "undefined MIPS ABI" 168 # error "undefined MIPS ABI"
167 #endif 169 #endif
168 170
169 // Initial size of code buffer. 171 // Initial size of code buffer.
170 static const size_t kRegExpCodeSize = 1024; 172 static const size_t kRegExpCodeSize = 1024;
171 173
172 // Load a number of characters at the given offset from the 174 // Load a number of characters at the given offset from the
173 // current position, into the current-character register. 175 // current position, into the current-character register.
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259 Label internal_failure_label_; 261 Label internal_failure_label_;
260 }; 262 };
261 263
262 #endif // V8_INTERPRETED_REGEXP 264 #endif // V8_INTERPRETED_REGEXP
263 265
264 266
265 } // namespace internal 267 } // namespace internal
266 } // namespace v8 268 } // namespace v8
267 269
268 #endif // V8_REGEXP_MIPS_REGEXP_MACRO_ASSEMBLER_MIPS_H_ 270 #endif // V8_REGEXP_MIPS_REGEXP_MACRO_ASSEMBLER_MIPS_H_
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