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1 // Copyright 2008-2009 the V8 project authors. All rights reserved. | 1 // Copyright 2008-2009 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 #include "src/regexp/regexp-macro-assembler-irregexp.h" | 5 #include "src/regexp/regexp-macro-assembler-irregexp.h" |
6 | 6 |
7 #include "src/ast.h" | 7 #include "src/ast.h" |
8 #include "src/regexp/bytecodes-irregexp.h" | 8 #include "src/regexp/bytecodes-irregexp.h" |
9 #include "src/regexp/regexp-macro-assembler.h" | 9 #include "src/regexp/regexp-macro-assembler.h" |
10 #include "src/regexp/regexp-macro-assembler-irregexp-inl.h" | 10 #include "src/regexp/regexp-macro-assembler-irregexp-inl.h" |
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266 EmitOrLink(on_equal); | 266 EmitOrLink(on_equal); |
267 } | 267 } |
268 | 268 |
269 | 269 |
270 void RegExpMacroAssemblerIrregexp::CheckAtStart(Label* on_at_start) { | 270 void RegExpMacroAssemblerIrregexp::CheckAtStart(Label* on_at_start) { |
271 Emit(BC_CHECK_AT_START, 0); | 271 Emit(BC_CHECK_AT_START, 0); |
272 EmitOrLink(on_at_start); | 272 EmitOrLink(on_at_start); |
273 } | 273 } |
274 | 274 |
275 | 275 |
276 void RegExpMacroAssemblerIrregexp::CheckNotAtStart(int cp_offset, | 276 void RegExpMacroAssemblerIrregexp::CheckNotAtStart(Label* on_not_at_start) { |
277 Label* on_not_at_start) { | 277 Emit(BC_CHECK_NOT_AT_START, 0); |
278 Emit(BC_CHECK_NOT_AT_START, cp_offset); | |
279 EmitOrLink(on_not_at_start); | 278 EmitOrLink(on_not_at_start); |
280 } | 279 } |
281 | 280 |
282 | 281 |
283 void RegExpMacroAssemblerIrregexp::CheckNotCharacter(uint32_t c, | 282 void RegExpMacroAssemblerIrregexp::CheckNotCharacter(uint32_t c, |
284 Label* on_not_equal) { | 283 Label* on_not_equal) { |
285 if (c > MAX_FIRST_ARG) { | 284 if (c > MAX_FIRST_ARG) { |
286 Emit(BC_CHECK_NOT_4_CHARS, 0); | 285 Emit(BC_CHECK_NOT_4_CHARS, 0); |
287 Emit32(c); | 286 Emit32(c); |
288 } else { | 287 } else { |
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364 int byte = 0; | 363 int byte = 0; |
365 for (int j = 0; j < kBitsPerByte; j++) { | 364 for (int j = 0; j < kBitsPerByte; j++) { |
366 if (table->get(i + j) != 0) byte |= 1 << j; | 365 if (table->get(i + j) != 0) byte |= 1 << j; |
367 } | 366 } |
368 Emit8(byte); | 367 Emit8(byte); |
369 } | 368 } |
370 } | 369 } |
371 | 370 |
372 | 371 |
373 void RegExpMacroAssemblerIrregexp::CheckNotBackReference(int start_reg, | 372 void RegExpMacroAssemblerIrregexp::CheckNotBackReference(int start_reg, |
374 bool read_backward, | |
375 Label* on_not_equal) { | 373 Label* on_not_equal) { |
376 DCHECK(start_reg >= 0); | 374 DCHECK(start_reg >= 0); |
377 DCHECK(start_reg <= kMaxRegister); | 375 DCHECK(start_reg <= kMaxRegister); |
378 Emit(read_backward ? BC_CHECK_NOT_BACK_REF_BACKWARD : BC_CHECK_NOT_BACK_REF, | 376 Emit(BC_CHECK_NOT_BACK_REF, start_reg); |
379 start_reg); | |
380 EmitOrLink(on_not_equal); | 377 EmitOrLink(on_not_equal); |
381 } | 378 } |
382 | 379 |
383 | 380 |
384 void RegExpMacroAssemblerIrregexp::CheckNotBackReferenceIgnoreCase( | 381 void RegExpMacroAssemblerIrregexp::CheckNotBackReferenceIgnoreCase( |
385 int start_reg, bool read_backward, Label* on_not_equal) { | 382 int start_reg, |
| 383 Label* on_not_equal) { |
386 DCHECK(start_reg >= 0); | 384 DCHECK(start_reg >= 0); |
387 DCHECK(start_reg <= kMaxRegister); | 385 DCHECK(start_reg <= kMaxRegister); |
388 Emit(read_backward ? BC_CHECK_NOT_BACK_REF_NO_CASE_BACKWARD | 386 Emit(BC_CHECK_NOT_BACK_REF_NO_CASE, start_reg); |
389 : BC_CHECK_NOT_BACK_REF_NO_CASE, | |
390 start_reg); | |
391 EmitOrLink(on_not_equal); | 387 EmitOrLink(on_not_equal); |
392 } | 388 } |
393 | 389 |
394 | 390 |
395 void RegExpMacroAssemblerIrregexp::IfRegisterLT(int register_index, | 391 void RegExpMacroAssemblerIrregexp::IfRegisterLT(int register_index, |
396 int comparand, | 392 int comparand, |
397 Label* on_less_than) { | 393 Label* on_less_than) { |
398 DCHECK(register_index >= 0); | 394 DCHECK(register_index >= 0); |
399 DCHECK(register_index <= kMaxRegister); | 395 DCHECK(register_index <= kMaxRegister); |
400 Emit(BC_CHECK_REGISTER_LT, register_index); | 396 Emit(BC_CHECK_REGISTER_LT, register_index); |
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451 MemCopy(buffer_.start(), old_buffer.start(), old_buffer.length()); | 447 MemCopy(buffer_.start(), old_buffer.start(), old_buffer.length()); |
452 if (old_buffer_was_our_own) { | 448 if (old_buffer_was_our_own) { |
453 old_buffer.Dispose(); | 449 old_buffer.Dispose(); |
454 } | 450 } |
455 } | 451 } |
456 | 452 |
457 #endif // V8_INTERPRETED_REGEXP | 453 #endif // V8_INTERPRETED_REGEXP |
458 | 454 |
459 } // namespace internal | 455 } // namespace internal |
460 } // namespace v8 | 456 } // namespace v8 |
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