/[pcre]/code/trunk/pcre_exec.c
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revision 500 by ph10, Sat Mar 6 19:00:29 2010 UTC revision 501 by ph10, Sun Mar 7 11:49:54 2010 UTC
# Line 249  enum { RM1=1, RM2, RM3, RM4, RM5, RM Line 249  enum { RM1=1, RM2, RM3, RM4, RM5, RM
249    
250  /* These versions of the macros use the stack, as normal. There are debugging  /* These versions of the macros use the stack, as normal. There are debugging
251  versions and production versions. Note that the "rw" argument of RMATCH isn't  versions and production versions. Note that the "rw" argument of RMATCH isn't
252  actuall used in this definition. */  actually used in this definition. */
253    
254  #ifndef NO_RECURSE  #ifndef NO_RECURSE
255  #define REGISTER register  #define REGISTER register
# Line 258  actuall used in this definition. */ Line 258  actuall used in this definition. */
258  #define RMATCH(ra,rb,rc,rd,re,rf,rg,rw) \  #define RMATCH(ra,rb,rc,rd,re,rf,rg,rw) \
259    { \    { \
260    printf("match() called in line %d\n", __LINE__); \    printf("match() called in line %d\n", __LINE__); \
261    rrc = match(ra,rb,mstart,rc,rd,re,rf,rg,rdepth+1); \    rrc = match(ra,rb,mstart,markptr,rc,rd,re,rf,rg,rdepth+1); \
262    printf("to line %d\n", __LINE__); \    printf("to line %d\n", __LINE__); \
263    }    }
264  #define RRETURN(ra) \  #define RRETURN(ra) \
# Line 268  actuall used in this definition. */ Line 268  actuall used in this definition. */
268    }    }
269  #else  #else
270  #define RMATCH(ra,rb,rc,rd,re,rf,rg,rw) \  #define RMATCH(ra,rb,rc,rd,re,rf,rg,rw) \
271    rrc = match(ra,rb,mstart,rc,rd,re,rf,rg,rdepth+1)    rrc = match(ra,rb,mstart,markptr,rc,rd,re,rf,rg,rdepth+1)
272  #define RRETURN(ra) return ra  #define RRETURN(ra) return ra
273  #endif  #endif
274    
# Line 288  argument of match(), which never changes Line 288  argument of match(), which never changes
288    newframe->Xeptr = ra;\    newframe->Xeptr = ra;\
289    newframe->Xecode = rb;\    newframe->Xecode = rb;\
290    newframe->Xmstart = mstart;\    newframe->Xmstart = mstart;\
291      newframe->Xmarkptr = markptr;\
292    newframe->Xoffset_top = rc;\    newframe->Xoffset_top = rc;\
293    newframe->Xims = re;\    newframe->Xims = re;\
294    newframe->Xeptrb = rf;\    newframe->Xeptrb = rf;\
# Line 325  typedef struct heapframe { Line 326  typedef struct heapframe {
326    USPTR Xeptr;    USPTR Xeptr;
327    const uschar *Xecode;    const uschar *Xecode;
328    USPTR Xmstart;    USPTR Xmstart;
329      USPTR Xmarkptr;
330    int Xoffset_top;    int Xoffset_top;
331    long int Xims;    long int Xims;
332    eptrblock *Xeptrb;    eptrblock *Xeptrb;
# Line 432  Arguments: Line 434  Arguments:
434     ecode       pointer to current position in compiled code     ecode       pointer to current position in compiled code
435     mstart      pointer to the current match start position (can be modified     mstart      pointer to the current match start position (can be modified
436                   by encountering \K)                   by encountering \K)
437       markptr     pointer to the most recent MARK name, or NULL
438     offset_top  current top pointer     offset_top  current top pointer
439     md          pointer to "static" info for the match     md          pointer to "static" info for the match
440     ims         current /i, /m, and /s options     ims         current /i, /m, and /s options
# Line 450  Returns: MATCH_MATCH if matched Line 453  Returns: MATCH_MATCH if matched
453  */  */
454    
455  static int  static int
456  match(REGISTER USPTR eptr, REGISTER const uschar *ecode, USPTR mstart,  match(REGISTER USPTR eptr, REGISTER const uschar *ecode, USPTR mstart, USPTR
457    int offset_top, match_data *md, unsigned long int ims, eptrblock *eptrb,    markptr, int offset_top, match_data *md, unsigned long int ims,
458    int flags, unsigned int rdepth)    eptrblock *eptrb, int flags, unsigned int rdepth)
459  {  {
460  /* These variables do not need to be preserved over recursion in this function,  /* These variables do not need to be preserved over recursion in this function,
461  so they can be ordinary variables in all cases. Mark some of them with  so they can be ordinary variables in all cases. Mark some of them with
# Line 480  frame->Xprevframe = NULL; /* Line 483  frame->Xprevframe = NULL; /*
483  frame->Xeptr = eptr;  frame->Xeptr = eptr;
484  frame->Xecode = ecode;  frame->Xecode = ecode;
485  frame->Xmstart = mstart;  frame->Xmstart = mstart;
486    frame->Xmarkptr = markptr;
487  frame->Xoffset_top = offset_top;  frame->Xoffset_top = offset_top;
488  frame->Xims = ims;  frame->Xims = ims;
489  frame->Xeptrb = eptrb;  frame->Xeptrb = eptrb;
# Line 495  HEAP_RECURSE: Line 499  HEAP_RECURSE:
499  #define eptr               frame->Xeptr  #define eptr               frame->Xeptr
500  #define ecode              frame->Xecode  #define ecode              frame->Xecode
501  #define mstart             frame->Xmstart  #define mstart             frame->Xmstart
502    #define markptr            frame->Xmarkptr
503  #define offset_top         frame->Xoffset_top  #define offset_top         frame->Xoffset_top
504  #define ims                frame->Xims  #define ims                frame->Xims
505  #define eptrb              frame->Xeptrb  #define eptrb              frame->Xeptrb
# Line 1113  for (;;) Line 1118  for (;;)
1118        {        {
1119        RMATCH(eptr, ecode + 1 + LINK_SIZE, offset_top, md, ims, NULL, 0,        RMATCH(eptr, ecode + 1 + LINK_SIZE, offset_top, md, ims, NULL, 0,
1120          RM4);          RM4);
1121        if (rrc == MATCH_MATCH)        if (rrc == MATCH_MATCH)
1122          {          {
1123          mstart = md->start_match_ptr;   /* In case \K reset it */          mstart = md->start_match_ptr;   /* In case \K reset it */
1124          break;          break;
1125          }          }
1126        if (rrc != MATCH_NOMATCH && rrc != MATCH_THEN) RRETURN(rrc);        if (rrc != MATCH_NOMATCH && rrc != MATCH_THEN) RRETURN(rrc);
1127        ecode += GET(ecode, 1);        ecode += GET(ecode, 1);
1128        }        }
# Line 1327  for (;;) Line 1332  for (;;)
1332      do      do
1333        {        {
1334        RMATCH(eptr, ecode + 1 + LINK_SIZE, offset_top, md, ims, eptrb, 0, RM7);        RMATCH(eptr, ecode + 1 + LINK_SIZE, offset_top, md, ims, eptrb, 0, RM7);
1335        if (rrc == MATCH_MATCH)        if (rrc == MATCH_MATCH)
1336          {          {
1337          mstart = md->start_match_ptr;          mstart = md->start_match_ptr;
1338          break;          break;
1339          }          }
1340        if (rrc != MATCH_NOMATCH && rrc != MATCH_THEN) RRETURN(rrc);        if (rrc != MATCH_NOMATCH && rrc != MATCH_THEN) RRETURN(rrc);
1341        ecode += GET(ecode,1);        ecode += GET(ecode,1);
1342        }        }
# Line 5658  for(;;) Line 5663  for(;;)
5663    md->start_match_ptr = start_match;    md->start_match_ptr = start_match;
5664    md->start_used_ptr = start_match;    md->start_used_ptr = start_match;
5665    md->match_call_count = 0;    md->match_call_count = 0;
5666    rc = match(start_match, md->start_code, start_match, 2, md, ims, NULL, 0, 0);    rc = match(start_match, md->start_code, start_match, NULL, 2, md, ims, NULL,
5667        0, 0);
5668    if (md->hitend && start_partial == NULL) start_partial = md->start_used_ptr;    if (md->hitend && start_partial == NULL) start_partial = md->start_used_ptr;
5669    
5670    switch(rc)    switch(rc)
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