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

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revision 13 by nigel, Sat Feb 24 21:38:21 2007 UTC revision 29 by nigel, Sat Feb 24 21:38:53 2007 UTC
# Line 7  Line 7 
7  #include <string.h>  #include <string.h>
8  #include <stdlib.h>  #include <stdlib.h>
9  #include <time.h>  #include <time.h>
10    #include <locale.h>
11    
12  /* Use the internal info for displaying the results of pcre_study(). */  /* Use the internal info for displaying the results of pcre_study(). */
13    
# Line 21  Line 22 
22  #endif  #endif
23  #endif  #endif
24    
25    #define LOOPREPEAT 20000
26    
27    
28  static FILE *outfile;  static FILE *outfile;
29  static int log_store = 0;  static int log_store = 0;
# Line 32  code as contained in pcre.c under the DE Line 35  code as contained in pcre.c under the DE
35    
36  static const char *OP_names[] = {  static const char *OP_names[] = {
37    "End", "\\A", "\\B", "\\b", "\\D", "\\d",    "End", "\\A", "\\B", "\\b", "\\D", "\\d",
38    "\\S", "\\s", "\\W", "\\w", "Cut", "\\Z", "^", "$", "Any", "chars",    "\\S", "\\s", "\\W", "\\w", "\\Z", "\\z",
39    "not",    "Opt", "^", "$", "Any", "chars", "not",
40    "*", "*?", "+", "+?", "?", "??", "{", "{", "{",    "*", "*?", "+", "+?", "?", "??", "{", "{", "{",
41    "*", "*?", "+", "+?", "?", "??", "{", "{", "{",    "*", "*?", "+", "+?", "?", "??", "{", "{", "{",
42    "*", "*?", "+", "+?", "?", "??", "{", "{", "{",    "*", "*?", "+", "+?", "?", "??", "{", "{", "{",
43    "*", "*?", "+", "+?", "?", "??", "{", "{",    "*", "*?", "+", "+?", "?", "??", "{", "{",
44    "class", "negclass", "Ref",    "class", "Ref",
45    "Alt", "Ket", "KetRmax", "KetRmin", "Assert", "Assert not", "Once",    "Alt", "Ket", "KetRmax", "KetRmin", "Assert", "Assert not",
46      "AssertB", "AssertB not", "Reverse", "Once", "Cond", "Cref",
47    "Brazero", "Braminzero", "Bra"    "Brazero", "Braminzero", "Bra"
48  };  };
49    
50    
51  static void print_internals(pcre *re)  static void print_internals(pcre *re, FILE *outfile)
52  {  {
53  unsigned char *code = ((real_pcre *)re)->code;  unsigned char *code = ((real_pcre *)re)->code;
54    
55  printf("------------------------------------------------------------------\n");  fprintf(outfile, "------------------------------------------------------------------\n");
56    
57  for(;;)  for(;;)
58    {    {
59    int c;    int c;
60    int charlength;    int charlength;
61    
62    printf("%3d ", code - ((real_pcre *)re)->code);    fprintf(outfile, "%3d ", (int)(code - ((real_pcre *)re)->code));
63    
64    if (*code >= OP_BRA)    if (*code >= OP_BRA)
65      {      {
66      printf("%3d Bra %d", (code[1] << 8) + code[2], *code - OP_BRA);      fprintf(outfile, "%3d Bra %d", (code[1] << 8) + code[2], *code - OP_BRA);
67      code += 2;      code += 2;
68      }      }
69    
70    else switch(*code)    else switch(*code)
71      {      {
72      case OP_END:      case OP_END:
73      printf("    %s\n", OP_names[*code]);      fprintf(outfile, "    %s\n", OP_names[*code]);
74      printf("------------------------------------------------------------------\n");      fprintf(outfile, "------------------------------------------------------------------\n");
75      return;      return;
76    
77        case OP_OPT:
78        fprintf(outfile, " %.2x %s", code[1], OP_names[*code]);
79        code++;
80        break;
81    
82        case OP_COND:
83        fprintf(outfile, "%3d Cond", (code[1] << 8) + code[2]);
84        code += 2;
85        break;
86    
87        case OP_CREF:
88        fprintf(outfile, " %.2d %s", code[1], OP_names[*code]);
89        code++;
90        break;
91    
92      case OP_CHARS:      case OP_CHARS:
93      charlength = *(++code);      charlength = *(++code);
94      printf("%3d ", charlength);      fprintf(outfile, "%3d ", charlength);
95      while (charlength-- > 0)      while (charlength-- > 0)
96        if (isprint(c = *(++code))) printf("%c", c); else printf("\\x%02x", c);        if (isprint(c = *(++code))) fprintf(outfile, "%c", c);
97            else fprintf(outfile, "\\x%02x", c);
98      break;      break;
99    
100      case OP_KETRMAX:      case OP_KETRMAX:
# Line 83  for(;;) Line 103  for(;;)
103      case OP_KET:      case OP_KET:
104      case OP_ASSERT:      case OP_ASSERT:
105      case OP_ASSERT_NOT:      case OP_ASSERT_NOT:
106        case OP_ASSERTBACK:
107        case OP_ASSERTBACK_NOT:
108      case OP_ONCE:      case OP_ONCE:
109      printf("%3d %s", (code[1] << 8) + code[2], OP_names[*code]);      fprintf(outfile, "%3d %s", (code[1] << 8) + code[2], OP_names[*code]);
110        code += 2;
111        break;
112    
113        case OP_REVERSE:
114        fprintf(outfile, "%3d %s", (code[1] << 8) + code[2], OP_names[*code]);
115      code += 2;      code += 2;
116      break;      break;
117    
# Line 101  for(;;) Line 128  for(;;)
128      case OP_TYPEQUERY:      case OP_TYPEQUERY:
129      case OP_TYPEMINQUERY:      case OP_TYPEMINQUERY:
130      if (*code >= OP_TYPESTAR)      if (*code >= OP_TYPESTAR)
131        printf("    %s", OP_names[code[1]]);        fprintf(outfile, "    %s", OP_names[code[1]]);
132      else if (isprint(c = code[1])) printf("    %c", c);      else if (isprint(c = code[1])) fprintf(outfile, "    %c", c);
133        else printf("    \\x%02x", c);        else fprintf(outfile, "    \\x%02x", c);
134      printf("%s", OP_names[*code++]);      fprintf(outfile, "%s", OP_names[*code++]);
135      break;      break;
136    
137      case OP_EXACT:      case OP_EXACT:
138      case OP_UPTO:      case OP_UPTO:
139      case OP_MINUPTO:      case OP_MINUPTO:
140      if (isprint(c = code[3])) printf("    %c{", c);      if (isprint(c = code[3])) fprintf(outfile, "    %c{", c);
141        else printf("    \\x%02x{", c);        else fprintf(outfile, "    \\x%02x{", c);
142      if (*code != OP_EXACT) printf(",");      if (*code != OP_EXACT) fprintf(outfile, ",");
143      printf("%d}", (code[1] << 8) + code[2]);      fprintf(outfile, "%d}", (code[1] << 8) + code[2]);
144      if (*code == OP_MINUPTO) printf("?");      if (*code == OP_MINUPTO) fprintf(outfile, "?");
145      code += 3;      code += 3;
146      break;      break;
147    
148      case OP_TYPEEXACT:      case OP_TYPEEXACT:
149      case OP_TYPEUPTO:      case OP_TYPEUPTO:
150      case OP_TYPEMINUPTO:      case OP_TYPEMINUPTO:
151      printf("    %s{", OP_names[code[3]]);      fprintf(outfile, "    %s{", OP_names[code[3]]);
152      if (*code != OP_TYPEEXACT) printf("0,");      if (*code != OP_TYPEEXACT) fprintf(outfile, "0,");
153      printf("%d}", (code[1] << 8) + code[2]);      fprintf(outfile, "%d}", (code[1] << 8) + code[2]);
154      if (*code == OP_TYPEMINUPTO) printf("?");      if (*code == OP_TYPEMINUPTO) fprintf(outfile, "?");
155      code += 3;      code += 3;
156      break;      break;
157    
158      case OP_NOT:      case OP_NOT:
159      if (isprint(c = *(++code))) printf("    [^%c]", c);      if (isprint(c = *(++code))) fprintf(outfile, "    [^%c]", c);
160        else printf("    [^\\x%02x]", c);        else fprintf(outfile, "    [^\\x%02x]", c);
161      break;      break;
162    
163      case OP_NOTSTAR:      case OP_NOTSTAR:
# Line 139  for(;;) Line 166  for(;;)
166      case OP_NOTMINPLUS:      case OP_NOTMINPLUS:
167      case OP_NOTQUERY:      case OP_NOTQUERY:
168      case OP_NOTMINQUERY:      case OP_NOTMINQUERY:
169      if (isprint(c = code[1])) printf("    [^%c]", c);      if (isprint(c = code[1])) fprintf(outfile, "    [^%c]", c);
170        else printf("    [^\\x%02x]", c);        else fprintf(outfile, "    [^\\x%02x]", c);
171      printf("%s", OP_names[*code++]);      fprintf(outfile, "%s", OP_names[*code++]);
172      break;      break;
173    
174      case OP_NOTEXACT:      case OP_NOTEXACT:
175      case OP_NOTUPTO:      case OP_NOTUPTO:
176      case OP_NOTMINUPTO:      case OP_NOTMINUPTO:
177      if (isprint(c = code[3])) printf("    [^%c]{", c);      if (isprint(c = code[3])) fprintf(outfile, "    [^%c]{", c);
178        else printf("    [^\\x%02x]{", c);        else fprintf(outfile, "    [^\\x%02x]{", c);
179      if (*code != OP_NOTEXACT) printf(",");      if (*code != OP_NOTEXACT) fprintf(outfile, ",");
180      printf("%d}", (code[1] << 8) + code[2]);      fprintf(outfile, "%d}", (code[1] << 8) + code[2]);
181      if (*code == OP_NOTMINUPTO) printf("?");      if (*code == OP_NOTMINUPTO) fprintf(outfile, "?");
182      code += 3;      code += 3;
183      break;      break;
184    
185      case OP_REF:      case OP_REF:
186      printf("    \\%d", *(++code));      fprintf(outfile, "    \\%d", *(++code));
187      code++;      code++;
188      goto CLASS_REF_REPEAT;      goto CLASS_REF_REPEAT;
189    
190      case OP_CLASS:      case OP_CLASS:
     case OP_NEGCLASS:  
191        {        {
192        int i, min, max;        int i, min, max;
193        if (*code++ == OP_CLASS) printf("    [");        code++;
194          else printf("   ^[");        fprintf(outfile, "    [");
195    
196        for (i = 0; i < 256; i++)        for (i = 0; i < 256; i++)
197          {          {
# Line 174  for(;;) Line 200  for(;;)
200            int j;            int j;
201            for (j = i+1; j < 256; j++)            for (j = i+1; j < 256; j++)
202              if ((code[j/8] & (1 << (j&7))) == 0) break;              if ((code[j/8] & (1 << (j&7))) == 0) break;
203            if (i == '-' || i == ']') printf("\\");            if (i == '-' || i == ']') fprintf(outfile, "\\");
204            if (isprint(i)) printf("%c", i); else printf("\\x%02x", i);            if (isprint(i)) fprintf(outfile, "%c", i); else fprintf(outfile, "\\x%02x", i);
205            if (--j > i)            if (--j > i)
206              {              {
207              printf("-");              fprintf(outfile, "-");
208              if (j == '-' || j == ']') printf("\\");              if (j == '-' || j == ']') fprintf(outfile, "\\");
209              if (isprint(j)) printf("%c", j); else printf("\\x%02x", j);              if (isprint(j)) fprintf(outfile, "%c", j); else fprintf(outfile, "\\x%02x", j);
210              }              }
211            i = j;            i = j;
212            }            }
213          }          }
214        printf("]");        fprintf(outfile, "]");
215        code += 32;        code += 32;
216    
217        CLASS_REF_REPEAT:        CLASS_REF_REPEAT:
# Line 198  for(;;) Line 224  for(;;)
224          case OP_CRMINPLUS:          case OP_CRMINPLUS:
225          case OP_CRQUERY:          case OP_CRQUERY:
226          case OP_CRMINQUERY:          case OP_CRMINQUERY:
227          printf("%s", OP_names[*code]);          fprintf(outfile, "%s", OP_names[*code]);
228          break;          break;
229    
230          case OP_CRRANGE:          case OP_CRRANGE:
231          case OP_CRMINRANGE:          case OP_CRMINRANGE:
232          min = (code[1] << 8) + code[2];          min = (code[1] << 8) + code[2];
233          max = (code[3] << 8) + code[4];          max = (code[3] << 8) + code[4];
234          if (max == 0) printf("{%d,}", min);          if (max == 0) fprintf(outfile, "{%d,}", min);
235          else printf("{%d,%d}", min, max);          else fprintf(outfile, "{%d,%d}", min, max);
236          if (*code == OP_CRMINRANGE) printf("?");          if (*code == OP_CRMINRANGE) fprintf(outfile, "?");
237          code += 4;          code += 4;
238          break;          break;
239    
# Line 220  for(;;) Line 246  for(;;)
246      /* Anything else is just a one-node item */      /* Anything else is just a one-node item */
247    
248      default:      default:
249      printf("    %s", OP_names[*code]);      fprintf(outfile, "    %s", OP_names[*code]);
250      break;      break;
251      }      }
252    
253    code++;    code++;
254    printf("\n");    fprintf(outfile, "\n");
255    }    }
256  }  }
257    
# Line 288  while (argc > 1 && argv[op][0] == '-') Line 314  while (argc > 1 && argv[op][0] == '-')
314    else    else
315      {      {
316      printf("*** Unknown option %s\n", argv[op]);      printf("*** Unknown option %s\n", argv[op]);
317        printf("Usage: pcretest [-d] [-i] [-p] [-s] [-t] [<input> [<output>]]\n");
318        printf("  -d   debug: show compiled code; implies -i\n"
319               "  -i   show information about compiled pattern\n"
320               "  -p   use POSIX interface\n"
321               "  -s   output store information\n"
322               "  -t   time compilation and execution\n");
323      return 1;      return 1;
324      }      }
325    op++;    op++;
# Line 320  if (argc > 2) Line 352  if (argc > 2)
352    
353  pcre_malloc = new_malloc;  pcre_malloc = new_malloc;
354    
355  /* Heading line, then prompt for first re if stdin */  /* Heading line, then prompt for first regex if stdin */
356    
 fprintf(outfile, "Testing Perl-Compatible Regular Expressions\n");  
357  fprintf(outfile, "PCRE version %s\n\n", pcre_version());  fprintf(outfile, "PCRE version %s\n\n", pcre_version());
358    
359  /* Main loop */  /* Main loop */
# Line 333  while (!done) Line 364  while (!done)
364    pcre_extra *extra = NULL;    pcre_extra *extra = NULL;
365    regex_t preg;    regex_t preg;
366    const char *error;    const char *error;
367    unsigned char *p, *pp;    unsigned char *p, *pp, *ppp;
368      unsigned const char *tables = NULL;
369    int do_study = 0;    int do_study = 0;
370    int do_debug = 0;    int do_debug = debug;
371      int do_showinfo = showinfo;
372    int do_posix = 0;    int do_posix = 0;
373    int erroroffset, len, delimiter;    int erroroffset, len, delimiter;
374    
375    if (infile == stdin) printf("  re> ");    if (infile == stdin) printf("  re> ");
376    if (fgets((char *)buffer, sizeof(buffer), infile) == NULL) break;    if (fgets((char *)buffer, sizeof(buffer), infile) == NULL) break;
377    if (infile != stdin) fprintf(outfile, (char *)buffer);    if (infile != stdin) fprintf(outfile, "%s", (char *)buffer);
378    
379    p = buffer;    p = buffer;
380    while (isspace(*p)) p++;    while (isspace(*p)) p++;
# Line 352  while (!done) Line 385  while (!done)
385    
386    delimiter = *p++;    delimiter = *p++;
387    
388    if (isalnum(delimiter))    if (isalnum(delimiter) || delimiter == '\\')
389      {      {
390      fprintf(outfile, "** Delimiter must not be alphameric\n");      fprintf(outfile, "** Delimiter must not be alphameric or \\\n");
391      goto SKIP_DATA;      goto SKIP_DATA;
392      }      }
393    
# Line 362  while (!done) Line 395  while (!done)
395    
396    for(;;)    for(;;)
397      {      {
398      while (*pp != 0 && *pp != delimiter) pp++;      while (*pp != 0)
399          {
400          if (*pp == '\\' && pp[1] != 0) pp++;
401            else if (*pp == delimiter) break;
402          pp++;
403          }
404      if (*pp != 0) break;      if (*pp != 0) break;
405    
406      len = sizeof(buffer) - (pp - buffer);      len = sizeof(buffer) - (pp - buffer);
# Line 379  while (!done) Line 417  while (!done)
417        done = 1;        done = 1;
418        goto CONTINUE;        goto CONTINUE;
419        }        }
420      if (infile != stdin) fprintf(outfile, (char *)pp);      if (infile != stdin) fprintf(outfile, "%s", (char *)pp);
421      }      }
422    
423      /* If the first character after the delimiter is backslash, make
424      the pattern end with backslash. This is purely to provide a way
425      of testing for the error message when a pattern ends with backslash. */
426    
427      if (pp[1] == '\\') *pp++ = '\\';
428    
429    /* Terminate the pattern at the delimiter */    /* Terminate the pattern at the delimiter */
430    
431    *pp++ = 0;    *pp++ = 0;
# Line 398  while (!done) Line 442  while (!done)
442        case 'm': options |= PCRE_MULTILINE; break;        case 'm': options |= PCRE_MULTILINE; break;
443        case 's': options |= PCRE_DOTALL; break;        case 's': options |= PCRE_DOTALL; break;
444        case 'x': options |= PCRE_EXTENDED; break;        case 'x': options |= PCRE_EXTENDED; break;
445    
446        case 'A': options |= PCRE_ANCHORED; break;        case 'A': options |= PCRE_ANCHORED; break;
447        case 'D': do_debug = 1; break;        case 'D': do_debug = do_showinfo = 1; break;
448        case 'E': options |= PCRE_DOLLAR_ENDONLY; break;        case 'E': options |= PCRE_DOLLAR_ENDONLY; break;
449          case 'I': do_showinfo = 1; break;
450        case 'P': do_posix = 1; break;        case 'P': do_posix = 1; break;
451        case 'S': do_study = 1; break;        case 'S': do_study = 1; break;
452        case 'I': study_options |= PCRE_CASELESS; break;        case 'U': options |= PCRE_UNGREEDY; break;
453        case 'X': options |= PCRE_EXTRA; break;        case 'X': options |= PCRE_EXTRA; break;
454    
455          case 'L':
456          ppp = pp;
457          while (*ppp != '\n' && *ppp != ' ') ppp++;
458          *ppp = 0;
459          if (setlocale(LC_CTYPE, (const char *)pp) == NULL)
460            {
461            fprintf(outfile, "** Failed to set locale \"%s\"\n", pp);
462            goto SKIP_DATA;
463            }
464          tables = pcre_maketables();
465          pp = ppp;
466          break;
467    
468        case '\n': case ' ': break;        case '\n': case ' ': break;
469        default:        default:
470        fprintf(outfile, "** Unknown option '%c'\n", pp[-1]);        fprintf(outfile, "** Unknown option '%c'\n", pp[-1]);
# Line 413  while (!done) Line 473  while (!done)
473      }      }
474    
475    /* Handle compiling via the POSIX interface, which doesn't support the    /* Handle compiling via the POSIX interface, which doesn't support the
476    timing, showing, or debugging options. */    timing, showing, or debugging options, nor the ability to pass over
477      local character tables. */
478    
479    if (posix || do_posix)    if (posix || do_posix)
480      {      {
# Line 443  while (!done) Line 504  while (!done)
504        register int i;        register int i;
505        clock_t time_taken;        clock_t time_taken;
506        clock_t start_time = clock();        clock_t start_time = clock();
507        for (i = 0; i < 4000; i++)        for (i = 0; i < LOOPREPEAT; i++)
508          {          {
509          re = pcre_compile((char *)p, options, &error, &erroroffset);          re = pcre_compile((char *)p, options, &error, &erroroffset, tables);
510          if (re != NULL) free(re);          if (re != NULL) free(re);
511          }          }
512        time_taken = clock() - start_time;        time_taken = clock() - start_time;
513        fprintf(outfile, "Compile time %.2f milliseconds\n",        fprintf(outfile, "Compile time %.3f milliseconds\n",
514          ((double)time_taken)/(4 * CLOCKS_PER_SEC));          ((double)time_taken * 1000.0) /
515            ((double)LOOPREPEAT * (double)CLOCKS_PER_SEC));
516        }        }
517    
518      re = pcre_compile((char *)p, options, &error, &erroroffset);      re = pcre_compile((char *)p, options, &error, &erroroffset, tables);
519    
520      /* Compilation failed; go back for another re, skipping to blank line      /* Compilation failed; go back for another re, skipping to blank line
521      if non-interactive. */      if non-interactive. */
# Line 477  while (!done) Line 539  while (!done)
539            }            }
540          fprintf(outfile, "\n");          fprintf(outfile, "\n");
541          }          }
542        continue;        goto CONTINUE;
543        }        }
544    
545      /* Compilation succeeded; print data if required */      /* Compilation succeeded; print data if required */
546    
547      if (showinfo || do_debug)      if (do_showinfo)
548        {        {
549        int first_char, count;        int first_char, count;
550    
551        if (debug || do_debug) print_internals(re);        if (do_debug) print_internals(re, outfile);
552    
553        count = pcre_info(re, &options, &first_char);        count = pcre_info(re, &options, &first_char);
554        if (count < 0) fprintf(outfile,        if (count < 0) fprintf(outfile,
# Line 495  while (!done) Line 557  while (!done)
557          {          {
558          fprintf(outfile, "Identifying subpattern count = %d\n", count);          fprintf(outfile, "Identifying subpattern count = %d\n", count);
559          if (options == 0) fprintf(outfile, "No options\n");          if (options == 0) fprintf(outfile, "No options\n");
560            else fprintf(outfile, "Options:%s%s%s%s%s%s%s\n",            else fprintf(outfile, "Options:%s%s%s%s%s%s%s%s\n",
561              ((options & PCRE_ANCHORED) != 0)? " anchored" : "",              ((options & PCRE_ANCHORED) != 0)? " anchored" : "",
562              ((options & PCRE_CASELESS) != 0)? " caseless" : "",              ((options & PCRE_CASELESS) != 0)? " caseless" : "",
563              ((options & PCRE_EXTENDED) != 0)? " extended" : "",              ((options & PCRE_EXTENDED) != 0)? " extended" : "",
564              ((options & PCRE_MULTILINE) != 0)? " multiline" : "",              ((options & PCRE_MULTILINE) != 0)? " multiline" : "",
565              ((options & PCRE_DOTALL) != 0)? " dotall" : "",              ((options & PCRE_DOTALL) != 0)? " dotall" : "",
566              ((options & PCRE_DOLLAR_ENDONLY) != 0)? " dollar_endonly" : "",              ((options & PCRE_DOLLAR_ENDONLY) != 0)? " dollar_endonly" : "",
567              ((options & PCRE_EXTRA) != 0)? " extra" : "");              ((options & PCRE_EXTRA) != 0)? " extra" : "",
568                ((options & PCRE_UNGREEDY) != 0)? " ungreedy" : "");
569          if (first_char == -1)          if (first_char == -1)
570            {            {
571            fprintf(outfile, "First char at start or follows \\n\n");            fprintf(outfile, "First char at start or follows \\n\n");
# Line 531  while (!done) Line 594  while (!done)
594          register int i;          register int i;
595          clock_t time_taken;          clock_t time_taken;
596          clock_t start_time = clock();          clock_t start_time = clock();
597          for (i = 0; i < 4000; i++)          for (i = 0; i < LOOPREPEAT; i++)
598            extra = pcre_study(re, study_options, &error);            extra = pcre_study(re, study_options, &error);
599          time_taken = clock() - start_time;          time_taken = clock() - start_time;
600          if (extra != NULL) free(extra);          if (extra != NULL) free(extra);
601          fprintf(outfile, "  Study time %.2f milliseconds\n",          fprintf(outfile, "  Study time %.3f milliseconds\n",
602            ((double)time_taken)/(4 * CLOCKS_PER_SEC));            ((double)time_taken * 1000.0)/
603              ((double)LOOPREPEAT * (double)CLOCKS_PER_SEC));
604          }          }
605    
606        extra = pcre_study(re, study_options, &error);        extra = pcre_study(re, study_options, &error);
# Line 548  while (!done) Line 612  while (!done)
612        /* This looks at internal information. A bit kludgy to do it this        /* This looks at internal information. A bit kludgy to do it this
613        way, but it is useful for testing. */        way, but it is useful for testing. */
614    
615        else if (showinfo || do_debug)        else if (do_showinfo)
616          {          {
617          real_pcre_extra *xx = (real_pcre_extra *)extra;          real_pcre_extra *xx = (real_pcre_extra *)extra;
618          if ((xx->options & PCRE_STUDY_MAPPED) == 0)          if ((xx->options & PCRE_STUDY_MAPPED) == 0)
# Line 591  while (!done) Line 655  while (!done)
655      {      {
656      unsigned char *q;      unsigned char *q;
657      int count, c;      int count, c;
658      int offsets[30];      int copystrings = 0;
659        int getstrings = 0;
660        int getlist = 0;
661        int offsets[45];
662      int size_offsets = sizeof(offsets)/sizeof(int);      int size_offsets = sizeof(offsets)/sizeof(int);
663    
664      options = 0;      options = 0;
# Line 602  while (!done) Line 669  while (!done)
669        done = 1;        done = 1;
670        goto CONTINUE;        goto CONTINUE;
671        }        }
672      if (infile != stdin) fprintf(outfile, (char *)buffer);      if (infile != stdin) fprintf(outfile, "%s", (char *)buffer);
673    
674      len = (int)strlen((char *)buffer);      len = (int)strlen((char *)buffer);
675      while (len > 0 && isspace(buffer[len-1])) len--;      while (len > 0 && isspace(buffer[len-1])) len--;
# Line 656  while (!done) Line 723  while (!done)
723          options |= PCRE_NOTBOL;          options |= PCRE_NOTBOL;
724          continue;          continue;
725    
726          case 'E':          case 'C':
727          options |= PCRE_DOLLAR_ENDONLY;          while(isdigit(*p)) n = n * 10 + *p++ - '0';
728          continue;          copystrings |= 1 << n;
   
         case 'I':  
         options |= PCRE_CASELESS;  
729          continue;          continue;
730    
731          case 'M':          case 'G':
732          options |= PCRE_MULTILINE;          while(isdigit(*p)) n = n * 10 + *p++ - '0';
733            getstrings |= 1 << n;
734          continue;          continue;
735    
736          case 'S':          case 'L':
737          options |= PCRE_DOTALL;          getlist = 1;
738          continue;          continue;
739    
740          case 'O':          case 'O':
# Line 712  while (!done) Line 777  while (!done)
777            {            {
778            if (pmatch[i].rm_so >= 0)            if (pmatch[i].rm_so >= 0)
779              {              {
780              fprintf(outfile, "%2d: ", i);              fprintf(outfile, "%2d: ", (int)i);
781              pchars(dbuffer + pmatch[i].rm_so,              pchars(dbuffer + pmatch[i].rm_so,
782                pmatch[i].rm_eo - pmatch[i].rm_so);                pmatch[i].rm_eo - pmatch[i].rm_so);
783              fprintf(outfile, "\n");              fprintf(outfile, "\n");
# Line 730  while (!done) Line 795  while (!done)
795          register int i;          register int i;
796          clock_t time_taken;          clock_t time_taken;
797          clock_t start_time = clock();          clock_t start_time = clock();
798          for (i = 0; i < 4000; i++)          for (i = 0; i < LOOPREPEAT; i++)
799            count = pcre_exec(re, extra, (char *)dbuffer, len, options, offsets,            count = pcre_exec(re, extra, (char *)dbuffer, len, options, offsets,
800              size_offsets);              size_offsets);
801          time_taken = clock() - start_time;          time_taken = clock() - start_time;
802          fprintf(outfile, "Execute time %.2f milliseconds\n",          fprintf(outfile, "Execute time %.3f milliseconds\n",
803            ((double)time_taken)/(4 * CLOCKS_PER_SEC));            ((double)time_taken * 1000.0)/
804              ((double)LOOPREPEAT * (double)CLOCKS_PER_SEC));
805          }          }
806    
807        count = pcre_exec(re, extra, (char *)dbuffer, len, options, offsets,        count = pcre_exec(re, extra, (char *)dbuffer, len, options, offsets,
# Line 744  while (!done) Line 810  while (!done)
810        if (count == 0)        if (count == 0)
811          {          {
812          fprintf(outfile, "Matched, but too many substrings\n");          fprintf(outfile, "Matched, but too many substrings\n");
813          count = size_offsets/2;          count = size_offsets/3;
814          }          }
815    
816        if (count >= 0)        if (count >= 0)
817          {          {
818          int i;          int i;
819          count *= 2;          for (i = 0; i < count * 2; i += 2)
         for (i = 0; i < count; i += 2)  
820            {            {
821            if (offsets[i] < 0)            if (offsets[i] < 0)
822              fprintf(outfile, "%2d: <unset>\n", i/2);              fprintf(outfile, "%2d: <unset>\n", i/2);
# Line 762  while (!done) Line 827  while (!done)
827              fprintf(outfile, "\n");              fprintf(outfile, "\n");
828              }              }
829            }            }
830    
831            for (i = 0; i < 32; i++)
832              {
833              if ((copystrings & (1 << i)) != 0)
834                {
835                char buffer[16];
836                int rc = pcre_copy_substring((char *)dbuffer, offsets, count,
837                  i, buffer, sizeof(buffer));
838                if (rc < 0)
839                  fprintf(outfile, "copy substring %d failed %d\n", i, rc);
840                else
841                  fprintf(outfile, "%2dC %s (%d)\n", i, buffer, rc);
842                }
843              }
844    
845            for (i = 0; i < 32; i++)
846              {
847              if ((getstrings & (1 << i)) != 0)
848                {
849                const char *substring;
850                int rc = pcre_get_substring((char *)dbuffer, offsets, count,
851                  i, &substring);
852                if (rc < 0)
853                  fprintf(outfile, "get substring %d failed %d\n", i, rc);
854                else
855                  {
856                  fprintf(outfile, "%2dG %s (%d)\n", i, substring, rc);
857                  free((void *)substring);
858                  }
859                }
860              }
861    
862            if (getlist)
863              {
864              const char **stringlist;
865              int rc = pcre_get_substring_list((char *)dbuffer, offsets, count,
866                &stringlist);
867              if (rc < 0)
868                fprintf(outfile, "get substring list failed %d\n", rc);
869              else
870                {
871                for (i = 0; i < count; i++)
872                  fprintf(outfile, "%2dL %s\n", i, stringlist[i]);
873                if (stringlist[i] != NULL)
874                  fprintf(outfile, "string list not terminated by NULL\n");
875                free((void *)stringlist);
876                }
877              }
878    
879          }          }
880        else        else
881          {          {
# Line 775  while (!done) Line 889  while (!done)
889    if (posix || do_posix) regfree(&preg);    if (posix || do_posix) regfree(&preg);
890    if (re != NULL) free(re);    if (re != NULL) free(re);
891    if (extra != NULL) free(extra);    if (extra != NULL) free(extra);
892      if (tables != NULL)
893        {
894        free((void *)tables);
895        setlocale(LC_CTYPE, "C");
896        }
897    }    }
898    
899  fprintf(outfile, "\n");  fprintf(outfile, "\n");

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