/[pcre]/code/tags/pcre-6.4/pcretest.c
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revision 29 by nigel, Sat Feb 24 21:38:53 2007 UTC revision 37 by nigel, Sat Feb 24 21:39:09 2007 UTC
# Line 12  Line 12 
12  /* Use the internal info for displaying the results of pcre_study(). */  /* Use the internal info for displaying the results of pcre_study(). */
13    
14  #include "internal.h"  #include "internal.h"
15    
16    /* It is possible to compile this test program without including support for
17    testing the POSIX interface, though this is not available via the standard
18    Makefile. */
19    
20    #if !defined NOPOSIX
21  #include "pcreposix.h"  #include "pcreposix.h"
22    #endif
23    
24  #ifndef CLOCKS_PER_SEC  #ifndef CLOCKS_PER_SEC
25  #ifdef CLK_TCK  #ifdef CLK_TCK
# Line 48  static const char *OP_names[] = { Line 55  static const char *OP_names[] = {
55  };  };
56    
57    
58  static void print_internals(pcre *re, FILE *outfile)  static void print_internals(pcre *re)
59  {  {
60  unsigned char *code = ((real_pcre *)re)->code;  unsigned char *code = ((real_pcre *)re)->code;
61    
# Line 274  compiled re. */ Line 281  compiled re. */
281    
282  static void *new_malloc(size_t size)  static void *new_malloc(size_t size)
283  {  {
284  if (log_store) fprintf(outfile, "Store size request: %d\n", (int)size);  if (log_store)
285      fprintf(outfile, "Memory allocation (code space): %d\n",
286        (int)((int)size - offsetof(real_pcre, code[0])));
287  return malloc(size);  return malloc(size);
288  }  }
289    
# Line 292  int study_options = 0; Line 301  int study_options = 0;
301  int op = 1;  int op = 1;
302  int timeit = 0;  int timeit = 0;
303  int showinfo = 0;  int showinfo = 0;
304    int showstore = 0;
305  int posix = 0;  int posix = 0;
306  int debug = 0;  int debug = 0;
307  int done = 0;  int done = 0;
# Line 306  outfile = stdout; Line 316  outfile = stdout;
316    
317  while (argc > 1 && argv[op][0] == '-')  while (argc > 1 && argv[op][0] == '-')
318    {    {
319    if (strcmp(argv[op], "-s") == 0) log_store = 1;    if (strcmp(argv[op], "-s") == 0 || strcmp(argv[op], "-m") == 0)
320        showstore = 1;
321    else if (strcmp(argv[op], "-t") == 0) timeit = 1;    else if (strcmp(argv[op], "-t") == 0) timeit = 1;
322    else if (strcmp(argv[op], "-i") == 0) showinfo = 1;    else if (strcmp(argv[op], "-i") == 0) showinfo = 1;
323    else if (strcmp(argv[op], "-d") == 0) showinfo = debug = 1;    else if (strcmp(argv[op], "-d") == 0) showinfo = debug = 1;
# Line 362  while (!done) Line 373  while (!done)
373    {    {
374    pcre *re = NULL;    pcre *re = NULL;
375    pcre_extra *extra = NULL;    pcre_extra *extra = NULL;
376    
377    #if !defined NOPOSIX  /* There are still compilers that require no indent */
378    regex_t preg;    regex_t preg;
379    #endif
380    
381    const char *error;    const char *error;
382    unsigned char *p, *pp, *ppp;    unsigned char *p, *pp, *ppp;
383    unsigned const char *tables = NULL;    unsigned const char *tables = NULL;
384    int do_study = 0;    int do_study = 0;
385    int do_debug = debug;    int do_debug = debug;
386      int do_G = 0;
387      int do_g = 0;
388    int do_showinfo = showinfo;    int do_showinfo = showinfo;
389      int do_showrest = 0;
390    int do_posix = 0;    int do_posix = 0;
391    int erroroffset, len, delimiter;    int erroroffset, len, delimiter;
392    
# Line 434  while (!done) Line 452  while (!done)
452    
453    options = 0;    options = 0;
454    study_options = 0;    study_options = 0;
455      log_store = showstore;  /* default from command line */
456    
457    while (*pp != 0)    while (*pp != 0)
458      {      {
459      switch (*pp++)      switch (*pp++)
460        {        {
461          case 'g': do_g = 1; break;
462        case 'i': options |= PCRE_CASELESS; break;        case 'i': options |= PCRE_CASELESS; break;
463        case 'm': options |= PCRE_MULTILINE; break;        case 'm': options |= PCRE_MULTILINE; break;
464        case 's': options |= PCRE_DOTALL; break;        case 's': options |= PCRE_DOTALL; break;
465        case 'x': options |= PCRE_EXTENDED; break;        case 'x': options |= PCRE_EXTENDED; break;
466    
467          case '+': do_showrest = 1; break;
468        case 'A': options |= PCRE_ANCHORED; break;        case 'A': options |= PCRE_ANCHORED; break;
469        case 'D': do_debug = do_showinfo = 1; break;        case 'D': do_debug = do_showinfo = 1; break;
470        case 'E': options |= PCRE_DOLLAR_ENDONLY; break;        case 'E': options |= PCRE_DOLLAR_ENDONLY; break;
471          case 'G': do_G = 1; break;
472        case 'I': do_showinfo = 1; break;        case 'I': do_showinfo = 1; break;
473          case 'M': log_store = 1; break;
474    
475    #if !defined NOPOSIX
476        case 'P': do_posix = 1; break;        case 'P': do_posix = 1; break;
477    #endif
478    
479        case 'S': do_study = 1; break;        case 'S': do_study = 1; break;
480        case 'U': options |= PCRE_UNGREEDY; break;        case 'U': options |= PCRE_UNGREEDY; break;
481        case 'X': options |= PCRE_EXTRA; break;        case 'X': options |= PCRE_EXTRA; break;
# Line 476  while (!done) Line 504  while (!done)
504    timing, showing, or debugging options, nor the ability to pass over    timing, showing, or debugging options, nor the ability to pass over
505    local character tables. */    local character tables. */
506    
507    #if !defined NOPOSIX
508    if (posix || do_posix)    if (posix || do_posix)
509      {      {
510      int rc;      int rc;
# Line 498  while (!done) Line 527  while (!done)
527    /* Handle compiling via the native interface */    /* Handle compiling via the native interface */
528    
529    else    else
530    #endif  /* !defined NOPOSIX */
531    
532      {      {
533      if (timeit)      if (timeit)
534        {        {
# Line 548  while (!done) Line 579  while (!done)
579        {        {
580        int first_char, count;        int first_char, count;
581    
582        if (do_debug) print_internals(re, outfile);        if (do_debug) print_internals(re);
583    
584        count = pcre_info(re, &options, &first_char);        count = pcre_info(re, &options, &first_char);
585        if (count < 0) fprintf(outfile,        if (count < 0) fprintf(outfile,
# Line 566  while (!done) Line 597  while (!done)
597              ((options & PCRE_DOLLAR_ENDONLY) != 0)? " dollar_endonly" : "",              ((options & PCRE_DOLLAR_ENDONLY) != 0)? " dollar_endonly" : "",
598              ((options & PCRE_EXTRA) != 0)? " extra" : "",              ((options & PCRE_EXTRA) != 0)? " extra" : "",
599              ((options & PCRE_UNGREEDY) != 0)? " ungreedy" : "");              ((options & PCRE_UNGREEDY) != 0)? " ungreedy" : "");
600    
601            if (((((real_pcre *)re)->options) & PCRE_ICHANGED) != 0)
602              fprintf(outfile, "Case state changes\n");
603    
604          if (first_char == -1)          if (first_char == -1)
605            {            {
606            fprintf(outfile, "First char at start or follows \\n\n");            fprintf(outfile, "First char at start or follows \\n\n");
# Line 581  while (!done) Line 616  while (!done)
616            else            else
617              fprintf(outfile, "First char = %d\n", first_char);              fprintf(outfile, "First char = %d\n", first_char);
618            }            }
619    
620            if (((((real_pcre *)re)->options) & PCRE_REQCHSET) != 0)
621              {
622              int req_char = ((real_pcre *)re)->req_char;
623              if (isprint(req_char))
624                fprintf(outfile, "Req char = \'%c\'\n", req_char);
625              else
626                fprintf(outfile, "Req char = %d\n", req_char);
627              }
628            else fprintf(outfile, "No req char\n");
629          }          }
630        }        }
631    
# Line 654  while (!done) Line 699  while (!done)
699    for (;;)    for (;;)
700      {      {
701      unsigned char *q;      unsigned char *q;
702        unsigned char *bptr = dbuffer;
703      int count, c;      int count, c;
704      int copystrings = 0;      int copystrings = 0;
705      int getstrings = 0;      int getstrings = 0;
706      int getlist = 0;      int getlist = 0;
707        int start_offset = 0;
708      int offsets[45];      int offsets[45];
709      int size_offsets = sizeof(offsets)/sizeof(int);      int size_offsets = sizeof(offsets)/sizeof(int);
710    
711      options = 0;      options = 0;
712    
713      if (infile == stdin) printf("  data> ");      if (infile == stdin) printf("data> ");
714      if (fgets((char *)buffer, sizeof(buffer), infile) == NULL)      if (fgets((char *)buffer, sizeof(buffer), infile) == NULL)
715        {        {
716        done = 1;        done = 1;
# Line 737  while (!done) Line 784  while (!done)
784          getlist = 1;          getlist = 1;
785          continue;          continue;
786    
787            case 'N':
788            options |= PCRE_NOTEMPTY;
789            continue;
790    
791          case 'O':          case 'O':
792          while(isdigit(*p)) n = n * 10 + *p++ - '0';          while(isdigit(*p)) n = n * 10 + *p++ - '0';
793          if (n <= (int)(sizeof(offsets)/sizeof(int))) size_offsets = n;          if (n <= (int)(sizeof(offsets)/sizeof(int))) size_offsets = n;
# Line 754  while (!done) Line 805  while (!done)
805      /* Handle matching via the POSIX interface, which does not      /* Handle matching via the POSIX interface, which does not
806      support timing. */      support timing. */
807    
808    #if !defined NOPOSIX
809      if (posix || do_posix)      if (posix || do_posix)
810        {        {
811        int rc;        int rc;
# Line 762  while (!done) Line 814  while (!done)
814        if ((options & PCRE_NOTBOL) != 0) eflags |= REG_NOTBOL;        if ((options & PCRE_NOTBOL) != 0) eflags |= REG_NOTBOL;
815        if ((options & PCRE_NOTEOL) != 0) eflags |= REG_NOTEOL;        if ((options & PCRE_NOTEOL) != 0) eflags |= REG_NOTEOL;
816    
817        rc = regexec(&preg, (char *)dbuffer, sizeof(pmatch)/sizeof(regmatch_t),        rc = regexec(&preg, (const char *)bptr,
818          pmatch, eflags);          sizeof(pmatch)/sizeof(regmatch_t), pmatch, eflags);
819    
820        if (rc != 0)        if (rc != 0)
821          {          {
# Line 781  while (!done) Line 833  while (!done)
833              pchars(dbuffer + pmatch[i].rm_so,              pchars(dbuffer + pmatch[i].rm_so,
834                pmatch[i].rm_eo - pmatch[i].rm_so);                pmatch[i].rm_eo - pmatch[i].rm_so);
835              fprintf(outfile, "\n");              fprintf(outfile, "\n");
836                if (i == 0 && do_showrest)
837                  {
838                  fprintf(outfile, " 0+ ");
839                  pchars(dbuffer + pmatch[i].rm_eo, len - pmatch[i].rm_eo);
840                  fprintf(outfile, "\n");
841                  }
842              }              }
843            }            }
844          }          }
845        }        }
846    
847      /* Handle matching via the native interface */      /* Handle matching via the native interface - repeats for /g and /G */
848    
849      else      else
850    #endif  /* !defined NOPOSIX */
851    
852        for (;;)
853        {        {
854        if (timeit)        if (timeit)
855          {          {
# Line 796  while (!done) Line 857  while (!done)
857          clock_t time_taken;          clock_t time_taken;
858          clock_t start_time = clock();          clock_t start_time = clock();
859          for (i = 0; i < LOOPREPEAT; i++)          for (i = 0; i < LOOPREPEAT; i++)
860            count = pcre_exec(re, extra, (char *)dbuffer, len, options, offsets,            count = pcre_exec(re, extra, (char *)bptr, len,
861              size_offsets);              (do_g? start_offset : 0), options, offsets, size_offsets);
862          time_taken = clock() - start_time;          time_taken = clock() - start_time;
863          fprintf(outfile, "Execute time %.3f milliseconds\n",          fprintf(outfile, "Execute time %.3f milliseconds\n",
864            ((double)time_taken * 1000.0)/            ((double)time_taken * 1000.0)/
865            ((double)LOOPREPEAT * (double)CLOCKS_PER_SEC));            ((double)LOOPREPEAT * (double)CLOCKS_PER_SEC));
866          }          }
867    
868        count = pcre_exec(re, extra, (char *)dbuffer, len, options, offsets,        count = pcre_exec(re, extra, (char *)bptr, len,
869          size_offsets);          (do_g? start_offset : 0), options, offsets, size_offsets);
870    
871        if (count == 0)        if (count == 0)
872          {          {
# Line 823  while (!done) Line 884  while (!done)
884            else            else
885              {              {
886              fprintf(outfile, "%2d: ", i/2);              fprintf(outfile, "%2d: ", i/2);
887              pchars(dbuffer + offsets[i], offsets[i+1] - offsets[i]);              pchars(bptr + offsets[i], offsets[i+1] - offsets[i]);
888              fprintf(outfile, "\n");              fprintf(outfile, "\n");
889                if (i == 0)
890                  {
891                  start_offset = offsets[1];
892                  if (do_showrest)
893                    {
894                    fprintf(outfile, " 0+ ");
895                    pchars(bptr + offsets[i+1], len - offsets[i+1]);
896                    fprintf(outfile, "\n");
897                    }
898                  }
899              }              }
900            }            }
901    
# Line 832  while (!done) Line 903  while (!done)
903            {            {
904            if ((copystrings & (1 << i)) != 0)            if ((copystrings & (1 << i)) != 0)
905              {              {
906              char buffer[16];              char copybuffer[16];
907              int rc = pcre_copy_substring((char *)dbuffer, offsets, count,              int rc = pcre_copy_substring((char *)bptr, offsets, count,
908                i, buffer, sizeof(buffer));                i, copybuffer, sizeof(copybuffer));
909              if (rc < 0)              if (rc < 0)
910                fprintf(outfile, "copy substring %d failed %d\n", i, rc);                fprintf(outfile, "copy substring %d failed %d\n", i, rc);
911              else              else
912                fprintf(outfile, "%2dC %s (%d)\n", i, buffer, rc);                fprintf(outfile, "%2dC %s (%d)\n", i, copybuffer, rc);
913              }              }
914            }            }
915    
# Line 847  while (!done) Line 918  while (!done)
918            if ((getstrings & (1 << i)) != 0)            if ((getstrings & (1 << i)) != 0)
919              {              {
920              const char *substring;              const char *substring;
921              int rc = pcre_get_substring((char *)dbuffer, offsets, count,              int rc = pcre_get_substring((char *)bptr, offsets, count,
922                i, &substring);                i, &substring);
923              if (rc < 0)              if (rc < 0)
924                fprintf(outfile, "get substring %d failed %d\n", i, rc);                fprintf(outfile, "get substring %d failed %d\n", i, rc);
# Line 862  while (!done) Line 933  while (!done)
933          if (getlist)          if (getlist)
934            {            {
935            const char **stringlist;            const char **stringlist;
936            int rc = pcre_get_substring_list((char *)dbuffer, offsets, count,            int rc = pcre_get_substring_list((char *)bptr, offsets, count,
937              &stringlist);              &stringlist);
938            if (rc < 0)            if (rc < 0)
939              fprintf(outfile, "get substring list failed %d\n", rc);              fprintf(outfile, "get substring list failed %d\n", rc);
# Line 879  while (!done) Line 950  while (!done)
950          }          }
951        else        else
952          {          {
953          if (count == -1) fprintf(outfile, "No match\n");          if (start_offset == 0)
954            else fprintf(outfile, "Error %d\n", count);            {
955              if (count == -1) fprintf(outfile, "No match\n");
956                else fprintf(outfile, "Error %d\n", count);
957              }
958            start_offset = -1;
959            }
960    
961          if ((!do_g && !do_G) || start_offset <= 0) break;
962          if (do_G)
963            {
964            bptr += start_offset;
965            len -= start_offset;
966          }          }
967        }        }
968      }      }
969    
970    CONTINUE:    CONTINUE:
971    
972    #if !defined NOPOSIX
973    if (posix || do_posix) regfree(&preg);    if (posix || do_posix) regfree(&preg);
974    #endif
975    
976    if (re != NULL) free(re);    if (re != NULL) free(re);
977    if (extra != NULL) free(extra);    if (extra != NULL) free(extra);
978    if (tables != NULL)    if (tables != NULL)
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