/[pcre]/code/trunk/pcre_compile.c
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revision 202 by ph10, Fri Aug 3 09:44:26 2007 UTC revision 208 by ph10, Mon Aug 6 15:23:29 2007 UTC
# Line 1409  for (code = first_significant_code(code Line 1409  for (code = first_significant_code(code
1409    
1410    /* For other groups, scan the branches. */    /* For other groups, scan the branches. */
1411    
1412    if (c == OP_BRA || c == OP_CBRA || c == OP_ONCE)    if (c == OP_BRA || c == OP_CBRA || c == OP_ONCE || c == OP_COND)
1413      {      {
1414      BOOL empty_branch;      BOOL empty_branch;
1415      if (GET(code, 1) == 0) return TRUE;    /* Hit unclosed bracket */      if (GET(code, 1) == 0) return TRUE;    /* Hit unclosed bracket */
# Line 2453  for (;; ptr++) Line 2453  for (;; ptr++)
2453        goto FAILED;        goto FAILED;
2454        }        }
2455    
2456      /* If the first character is '^', set the negation flag and skip it. */      /* If the first character is '^', set the negation flag and skip it. Also,
2457        if the first few characters (either before or after ^) are \Q\E or \E we
2458        skip them too. This makes for compatibility with Perl. */
2459    
2460      if ((c = *(++ptr)) == '^')      negate_class = FALSE;
2461        for (;;)
2462        {        {
       negate_class = TRUE;  
2463        c = *(++ptr);        c = *(++ptr);
2464        }        if (c == '\\')
2465      else          {
2466        {          if (ptr[1] == 'E') ptr++;
2467        negate_class = FALSE;            else if (strncmp((const char *)ptr+1, "Q\\E", 3) == 0) ptr += 3;
2468                else break;
2469            }
2470          else if (!negate_class && c == '^')
2471            negate_class = TRUE;
2472          else break;
2473        }        }
2474    
2475      /* Keep a count of chars with values < 256 so that we can optimize the case      /* Keep a count of chars with values < 256 so that we can optimize the case
# Line 2603  for (;; ptr++) Line 2610  for (;; ptr++)
2610        of the specials, which just set a flag. The sequence \b is a special        of the specials, which just set a flag. The sequence \b is a special
2611        case. Inside a class (and only there) it is treated as backspace.        case. Inside a class (and only there) it is treated as backspace.
2612        Elsewhere it marks a word boundary. Other escapes have preset maps ready        Elsewhere it marks a word boundary. Other escapes have preset maps ready
2613        to or into the one we are building. We assume they have more than one        to 'or' into the one we are building. We assume they have more than one
2614        character in them, so set class_charcount bigger than one. */        character in them, so set class_charcount bigger than one. */
2615    
2616        if (c == '\\')        if (c == '\\')
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