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Side by Side Diff: runtime/third_party/jscre/pcre_compile.cpp

Issue 8222017: Fix compilation warnings/errors seen with newer versions of gcc compiler. (Closed) Base URL: http://dart.googlecode.com/svn/branches/bleeding_edge/dart/
Patch Set: '' Created 9 years, 2 months ago
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1 /* This is JavaScriptCore's variant of the PCRE library. While this library 1 /* This is JavaScriptCore's variant of the PCRE library. While this library
2 started out as a copy of PCRE, many of the features of PCRE have been 2 started out as a copy of PCRE, many of the features of PCRE have been
3 removed. This library now supports only the regular expression features 3 removed. This library now supports only the regular expression features
4 required by the JavaScript language specification, and has only the functions 4 required by the JavaScript language specification, and has only the functions
5 needed by JavaScriptCore and the rest of WebKit. 5 needed by JavaScriptCore and the rest of WebKit.
6 6
7 Originally written by Philip Hazel 7 Originally written by Philip Hazel
8 Copyright (c) 1997-2006 University of Cambridge 8 Copyright (c) 1997-2006 University of Cambridge
9 Copyright (C) 2002, 2004, 2006, 2007 Apple Inc. All rights reserved. 9 Copyright (C) 2002, 2004, 2006, 2007 Apple Inc. All rights reserved.
10 Copyright (C) 2007 Eric Seidel <eric@webkit.org> 10 Copyright (C) 2007 Eric Seidel <eric@webkit.org>
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559 { 559 {
560 int repeat_type, op_type; 560 int repeat_type, op_type;
561 int repeat_min = 0, repeat_max = 0; /* To please picky compilers */ 561 int repeat_min = 0, repeat_max = 0; /* To please picky compilers */
562 int bravalue = 0; 562 int bravalue = 0;
563 int reqvary, tempreqvary; 563 int reqvary, tempreqvary;
564 int c; 564 int c;
565 unsigned char* code = *codeptr; 565 unsigned char* code = *codeptr;
566 unsigned char* tempcode; 566 unsigned char* tempcode;
567 bool groupsetfirstbyte = false; 567 bool groupsetfirstbyte = false;
568 const UChar* ptr = *ptrptr; 568 const UChar* ptr = *ptrptr;
569 const UChar* tempptr;
570 unsigned char* previous = NULL; 569 unsigned char* previous = NULL;
571 unsigned char classbits[32]; 570 unsigned char classbits[32];
572 571
573 bool class_utf8; 572 bool class_utf8;
574 unsigned char* class_utf8data; 573 unsigned char* class_utf8data;
575 unsigned char utf8_char[6]; 574 unsigned char utf8_char[6];
576 575
577 /* Initialize no first byte, no required byte. REQ_UNSET means "no char 576 /* Initialize no first byte, no required byte. REQ_UNSET means "no char
578 matching encountered yet". It gets changed to REQ_NONE if we hit something that 577 matching encountered yet". It gets changed to REQ_NONE if we hit something that
579 matches a non-fixed char first char; reqbyte just remains unset if we never 578 matches a non-fixed char first char; reqbyte just remains unset if we never
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1557 *errorcodeptr = ERR14; 1556 *errorcodeptr = ERR14;
1558 goto FAILED; 1557 goto FAILED;
1559 } 1558 }
1560 break; 1559 break;
1561 1560
1562 /* Check \ for being a real metacharacter; if not, fall through and handle 1561 /* Check \ for being a real metacharacter; if not, fall through and handle
1563 it as a data character at the start of a string. Escape items are c hecked 1562 it as a data character at the start of a string. Escape items are c hecked
1564 for validity in the pre-compiling pass. */ 1563 for validity in the pre-compiling pass. */
1565 1564
1566 case '\\': 1565 case '\\':
1567 tempptr = ptr;
1568 c = checkEscape(&ptr, patternEnd, errorcodeptr, cd.numCapturingB rackets, false); 1566 c = checkEscape(&ptr, patternEnd, errorcodeptr, cd.numCapturingB rackets, false);
1569 1567
1570 /* Handle metacharacters introduced by \. For ones like \d, the ESC_ values 1568 /* Handle metacharacters introduced by \. For ones like \d, the ESC_ values
1571 are arranged to be the negation of the corresponding OP_values. For the 1569 are arranged to be the negation of the corresponding OP_values. For the
1572 back references, the values are ESC_REF plus the reference numb er. Only 1570 back references, the values are ESC_REF plus the reference numb er. Only
1573 back references and those types that consume a character may be repeated. 1571 back references and those types that consume a character may be repeated.
1574 We can test for values between ESC_b and ESC_w for the latter; this may 1572 We can test for values between ESC_b and ESC_w for the latter; this may
1575 have to change if any new ones are ever created. */ 1573 have to change if any new ones are ever created. */
1576 1574
1577 if (c < 0) { 1575 if (c < 0) {
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2668 *numSubpatterns = re->top_bracket; 2666 *numSubpatterns = re->top_bracket;
2669 return re; 2667 return re;
2670 } 2668 }
2671 2669
2672 void jsRegExpFree(JSRegExp* re, free_t* free_function) 2670 void jsRegExpFree(JSRegExp* re, free_t* free_function)
2673 { 2671 {
2674 (*free_function)(reinterpret_cast<void*>(re)); 2672 (*free_function)(reinterpret_cast<void*>(re));
2675 } 2673 }
2676 2674
2677 } } // namespace dart::jscre 2675 } } // namespace dart::jscre
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