/[pcre]/code/trunk/pcre_exec.c
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revision 472 by ph10, Sun Oct 18 10:02:46 2009 UTC revision 473 by ph10, Sat Jan 2 12:40:07 2010 UTC
# Line 6  Line 6 
6  and semantics are as close as possible to those of the Perl 5 language.  and semantics are as close as possible to those of the Perl 5 language.
7    
8                         Written by Philip Hazel                         Written by Philip Hazel
9             Copyright (c) 1997-2009 University of Cambridge             Copyright (c) 1997-2010 University of Cambridge
10    
11  -----------------------------------------------------------------------------  -----------------------------------------------------------------------------
12  Redistribution and use in source and binary forms, with or without  Redistribution and use in source and binary forms, with or without
# Line 1133  for (;;) Line 1133  for (;;)
1133      offset_top = md->end_offset_top;      offset_top = md->end_offset_top;
1134      continue;      continue;
1135    
1136      /* Negative assertion: all branches must fail to match */      /* Negative assertion: all branches must fail to match. Encountering SKIP,
1137        PRUNE, or COMMIT means we must assume failure without checking subsequent
1138        branches. */
1139    
1140      case OP_ASSERT_NOT:      case OP_ASSERT_NOT:
1141      case OP_ASSERTBACK_NOT:      case OP_ASSERTBACK_NOT:
# Line 1142  for (;;) Line 1144  for (;;)
1144        RMATCH(eptr, ecode + 1 + LINK_SIZE, offset_top, md, ims, NULL, 0,        RMATCH(eptr, ecode + 1 + LINK_SIZE, offset_top, md, ims, NULL, 0,
1145          RM5);          RM5);
1146        if (rrc == MATCH_MATCH) RRETURN(MATCH_NOMATCH);        if (rrc == MATCH_MATCH) RRETURN(MATCH_NOMATCH);
1147          if (rrc == MATCH_SKIP || rrc == MATCH_PRUNE || rrc == MATCH_COMMIT)
1148            {
1149            do ecode += GET(ecode,1); while (*ecode == OP_ALT);
1150            break;
1151            }
1152        if (rrc != MATCH_NOMATCH && rrc != MATCH_THEN) RRETURN(rrc);        if (rrc != MATCH_NOMATCH && rrc != MATCH_THEN) RRETURN(rrc);
1153        ecode += GET(ecode,1);        ecode += GET(ecode,1);
1154        }        }
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