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Issue 11759008: Introduce ENABLE_LATIN_1 compile flag (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge
Patch Set: Fix FilterASCII Created 7 years, 11 months ago
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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 // 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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210 210
211 211
212 void RegExpMacroAssemblerIA32::CheckCharacters(Vector<const uc16> str, 212 void RegExpMacroAssemblerIA32::CheckCharacters(Vector<const uc16> str,
213 int cp_offset, 213 int cp_offset,
214 Label* on_failure, 214 Label* on_failure,
215 bool check_end_of_string) { 215 bool check_end_of_string) {
216 #ifdef DEBUG 216 #ifdef DEBUG
217 // If input is ASCII, don't even bother calling here if the string to 217 // If input is ASCII, don't even bother calling here if the string to
218 // match contains a non-ASCII character. 218 // match contains a non-ASCII character.
219 if (mode_ == ASCII) { 219 if (mode_ == ASCII) {
220 ASSERT(String::IsAscii(str.start(), str.length())); 220 ASSERT(String::IsOneByte(str.start(), str.length()));
221 } 221 }
222 #endif 222 #endif
223 int byte_length = str.length() * char_size(); 223 int byte_length = str.length() * char_size();
224 int byte_offset = cp_offset * char_size(); 224 int byte_offset = cp_offset * char_size();
225 if (check_end_of_string) { 225 if (check_end_of_string) {
226 // Check that there are at least str.length() characters left in the input. 226 // Check that there are at least str.length() characters left in the input.
227 __ cmp(edi, Immediate(-(byte_offset + byte_length))); 227 __ cmp(edi, Immediate(-(byte_offset + byte_length)));
228 BranchOrBacktrack(greater, on_failure); 228 BranchOrBacktrack(greater, on_failure);
229 } 229 }
230 230
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562 __ cmp(eax, to - from); 562 __ cmp(eax, to - from);
563 BranchOrBacktrack(above, on_not_in_range); 563 BranchOrBacktrack(above, on_not_in_range);
564 } 564 }
565 565
566 566
567 void RegExpMacroAssemblerIA32::CheckBitInTable( 567 void RegExpMacroAssemblerIA32::CheckBitInTable(
568 Handle<ByteArray> table, 568 Handle<ByteArray> table,
569 Label* on_bit_set) { 569 Label* on_bit_set) {
570 __ mov(eax, Immediate(table)); 570 __ mov(eax, Immediate(table));
571 Register index = current_character(); 571 Register index = current_character();
572 if (mode_ != ASCII || kTableMask != String::kMaxAsciiCharCode) { 572 if (mode_ != ASCII || kTableMask != String::kMaxOneByteCharCode) {
573 __ mov(ebx, kTableSize - 1); 573 __ mov(ebx, kTableSize - 1);
574 __ and_(ebx, current_character()); 574 __ and_(ebx, current_character());
575 index = ebx; 575 index = ebx;
576 } 576 }
577 __ cmpb(FieldOperand(eax, index, times_1, ByteArray::kHeaderSize), 0); 577 __ cmpb(FieldOperand(eax, index, times_1, ByteArray::kHeaderSize), 0);
578 BranchOrBacktrack(not_equal, on_bit_set); 578 BranchOrBacktrack(not_equal, on_bit_set);
579 } 579 }
580 580
581 581
582 bool RegExpMacroAssemblerIA32::CheckSpecialCharacterClass(uc16 type, 582 bool RegExpMacroAssemblerIA32::CheckSpecialCharacterClass(uc16 type,
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1399 } 1399 }
1400 1400
1401 1401
1402 #undef __ 1402 #undef __
1403 1403
1404 #endif // V8_INTERPRETED_REGEXP 1404 #endif // V8_INTERPRETED_REGEXP
1405 1405
1406 }} // namespace v8::internal 1406 }} // namespace v8::internal
1407 1407
1408 #endif // V8_TARGET_ARCH_IA32 1408 #endif // V8_TARGET_ARCH_IA32
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