/[pcre]/code/trunk/pcre_exec.c
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Diff of /code/trunk/pcre_exec.c

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revision 342 by ph10, Sun Apr 20 17:10:13 2008 UTC revision 345 by ph10, Mon Apr 28 15:10:02 2008 UTC
# Line 1430  for (;;) Line 1430  for (;;)
1430    
1431      case OP_ANY:      case OP_ANY:
1432      if (IS_NEWLINE(eptr)) RRETURN(MATCH_NOMATCH);      if (IS_NEWLINE(eptr)) RRETURN(MATCH_NOMATCH);
1433      /* Fall through */      /* Fall through */
1434    
1435      case OP_ALLANY:      case OP_ALLANY:
1436      if (eptr++ >= md->end_subject) RRETURN(MATCH_NOMATCH);      if (eptr++ >= md->end_subject) RRETURN(MATCH_NOMATCH);
1437      if (utf8) while (eptr < md->end_subject && (*eptr & 0xc0) == 0x80) eptr++;      if (utf8) while (eptr < md->end_subject && (*eptr & 0xc0) == 0x80) eptr++;
# Line 1730  for (;;) Line 1730  for (;;)
1730      case OP_REF:      case OP_REF:
1731        {        {
1732        offset = GET2(ecode, 1) << 1;               /* Doubled ref number */        offset = GET2(ecode, 1) << 1;               /* Doubled ref number */
1733        ecode += 3;        ecode += 3;
1734    
1735        /* If the reference is unset, there are two possibilities:        /* If the reference is unset, there are two possibilities:
1736    
1737        (a) In the default, Perl-compatible state, set the length to be longer        (a) In the default, Perl-compatible state, set the length to be longer
1738        than the amount of subject left; this ensures that every attempt at a        than the amount of subject left; this ensures that every attempt at a
1739        match fails. We can't just fail here, because of the possibility of        match fails. We can't just fail here, because of the possibility of
1740        quantifiers with zero minima.        quantifiers with zero minima.
1741    
1742        (b) If the JavaScript compatibility flag is set, set the length to zero        (b) If the JavaScript compatibility flag is set, set the length to zero
1743        so that the back reference matches an empty string.        so that the back reference matches an empty string.
1744    
1745        Otherwise, set the length to the length of what was matched by the        Otherwise, set the length to the length of what was matched by the
1746        referenced subpattern. */        referenced subpattern. */
1747    
1748        if (offset >= offset_top || md->offset_vector[offset] < 0)        if (offset >= offset_top || md->offset_vector[offset] < 0)
1749          length = (md->jscript_compat)? 0 : md->end_subject - eptr + 1;          length = (md->jscript_compat)? 0 : md->end_subject - eptr + 1;
1750        else        else
1751          length = md->offset_vector[offset+1] - md->offset_vector[offset];          length = md->offset_vector[offset+1] - md->offset_vector[offset];
1752    
# Line 3447  for (;;) Line 3447  for (;;)
3447            switch(ctype)            switch(ctype)
3448              {              {
3449              case OP_ANY:        /* This is the non-NL case */              case OP_ANY:        /* This is the non-NL case */
3450              case OP_ALLANY:              case OP_ALLANY:
3451              case OP_ANYBYTE:              case OP_ANYBYTE:
3452              break;              break;
3453    
# Line 3606  for (;;) Line 3606  for (;;)
3606            switch(ctype)            switch(ctype)
3607              {              {
3608              case OP_ANY:     /* This is the non-NL case */              case OP_ANY:     /* This is the non-NL case */
3609              case OP_ALLANY:              case OP_ALLANY:
3610              case OP_ANYBYTE:              case OP_ANYBYTE:
3611              break;              break;
3612    
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