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[idzebra-moved-to-github.git]
/
dfa
/
dfa.c
diff --git
a/dfa/dfa.c
b/dfa/dfa.c
index
d52fc57
..
b20650f
100644
(file)
--- a/
dfa/dfa.c
+++ b/
dfa/dfa.c
@@
-1,8
+1,5
@@
-/* $Id: dfa.c,v 1.28 2002-08-02 19:26:55 adam Exp $
- Copyright (C) 1995,1996,1997,1998,1999,2000,2001,2002
- Index Data Aps
-
-This file is part of the Zebra server.
+/* This file is part of the Zebra server.
+ Copyright (C) 1994-2011 Index Data
Zebra is free software; you can redistribute it and/or modify it under
the terms of the GNU General Public License as published by the Free
Zebra is free software; you can redistribute it and/or modify it under
the terms of the GNU General Public License as published by the Free
@@
-15,12
+12,15
@@
FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
for more details.
You should have received a copy of the GNU General Public License
for more details.
You should have received a copy of the GNU General Public License
-along with Zebra; see the file LICENSE.zebra. If not, write to the
-Free Software Foundation, 59 Temple Place - Suite 330, Boston, MA
-02111-1307, USA.
+along with this program; if not, write to the Free Software
+Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+
*/
*/
+#if HAVE_CONFIG_H
+#include <config.h>
+#endif
#include <stdio.h>
#include <assert.h>
#include <stdio.h>
#include <assert.h>
@@
-28,12
+28,10
@@
Free Software Foundation, 59 Temple Place - Suite 330, Boston, MA
#include <string.h>
#include <ctype.h>
#include <string.h>
#include <ctype.h>
-#include <zebrautl.h>
+#include <idzebra/util.h>
#include "dfap.h"
#include "imalloc.h"
#include "dfap.h"
#include "imalloc.h"
-#define DFA_OPEN_RANGE 1
-
#define CAT 16000
#define OR 16001
#define STAR 16002
#define CAT 16000
#define OR 16001
#define STAR 16002
@@
-50,8
+48,8
@@
struct Tnode {
} u;
unsigned pos : 15; /* CAT/OR/STAR/EPSILON or non-neg. position */
unsigned nullable : 1;
} u;
unsigned pos : 15; /* CAT/OR/STAR/EPSILON or non-neg. position */
unsigned nullable : 1;
- Set firstpos; /* first positions */
- Set lastpos; /* last positions */
+ DFASet firstpos; /* first positions */
+ DFASet lastpos; /* last positions */
};
struct Tblock { /* Tnode bucket (block) */
};
struct Tblock { /* Tnode bucket (block) */
@@
-78,7
+76,7
@@
static void
init_pos (struct DFA_parse *parse_info),
del_pos (struct DFA_parse *parse_info),
mk_dfa_tran (struct DFA_parse *parse_info, struct DFA_states *dfas),
init_pos (struct DFA_parse *parse_info),
del_pos (struct DFA_parse *parse_info),
mk_dfa_tran (struct DFA_parse *parse_info, struct DFA_states *dfas),
- add_follow (struct DFA_parse *parse_info, Set lastpos, Set firstpos),
+ add_follow (struct DFA_parse *parse_info, DFASet lastpos, DFASet firstpos),
dfa_trav (struct DFA_parse *parse_info, struct Tnode *n),
init_followpos (struct DFA_parse *parse_info),
pr_tran (struct DFA_parse *parse_info, struct DFA_states *dfas),
dfa_trav (struct DFA_parse *parse_info, struct Tnode *n),
init_followpos (struct DFA_parse *parse_info),
pr_tran (struct DFA_parse *parse_info, struct DFA_states *dfas),
@@
-357,7
+355,7
@@
static int nextchar_set (struct DFA_parse *parse_info, int *esc)
static int read_charset (struct DFA_parse *parse_info)
{
static int read_charset (struct DFA_parse *parse_info)
{
- int i, ch0, ch1, esc0, esc1, cc = 0;
+ int i, ch0, esc0, cc = 0;
parse_info->look_chars = mk_BSet (&parse_info->charset);
res_BSet (parse_info->charset, parse_info->look_chars);
parse_info->look_chars = mk_BSet (&parse_info->charset);
res_BSet (parse_info->charset, parse_info->look_chars);
@@
-367,8
+365,13
@@
static int read_charset (struct DFA_parse *parse_info)
cc = 1;
ch0 = nextchar_set (parse_info, &esc0);
}
cc = 1;
ch0 = nextchar_set (parse_info, &esc0);
}
+ /**
+ ch0 is last met character
+ ch1 is "next" char
+ */
while (ch0 != 0)
{
while (ch0 != 0)
{
+ int ch1, esc1;
if (!esc0 && ch0 == ']')
break;
if (!esc0 && ch0 == '-')
if (!esc0 && ch0 == ']')
break;
if (!esc0 && ch0 == '-')
@@
-380,16
+383,23
@@
static int read_charset (struct DFA_parse *parse_info)
}
else
{
}
else
{
- if (parse_info->cmap)
- {
- const char **mapto;
- char mapfrom[2];
- const char *mcp = mapfrom;
- mapfrom[0] = ch0;
- mapto = (*parse_info->cmap)(parse_info->cmap_data, &mcp, 1);
- assert (mapto);
- ch0 = mapto[0][0];
- }
+ if (ch0 == 1)
+ {
+ ch0 = nextchar(parse_info, &esc0);
+ }
+ else
+ {
+ if (parse_info->cmap)
+ {
+ const char **mapto;
+ char mapfrom[2];
+ const char *mcp = mapfrom;
+ mapfrom[0] = ch0;
+ mapto = parse_info->cmap(parse_info->cmap_data, &mcp, 1);
+ assert (mapto);
+ ch0 = mapto[0][0];
+ }
+ }
add_BSet (parse_info->charset, parse_info->look_chars, ch0);
ch1 = nextchar_set (parse_info, &esc1);
}
add_BSet (parse_info->charset, parse_info->look_chars, ch0);
ch1 = nextchar_set (parse_info, &esc1);
}
@@
-398,20
+408,16
@@
static int read_charset (struct DFA_parse *parse_info)
int open_range = 0;
if ((ch1 = nextchar_set (parse_info, &esc1)) == 0)
break;
int open_range = 0;
if ((ch1 = nextchar_set (parse_info, &esc1)) == 0)
break;
-#if DFA_OPEN_RANGE
if (!esc1 && ch1 == ']')
{
ch1 = 255;
open_range = 1;
}
if (!esc1 && ch1 == ']')
{
ch1 = 255;
open_range = 1;
}
-#else
- if (!esc1 && ch1 == ']')
+ else if (ch1 == 1)
{
{
- add_BSet (parse_info->charset, parse_info->look_chars, '-');
- break;
+ ch1 = nextchar(parse_info, &esc1);
}
}
-#endif
- if (!open_range && parse_info->cmap)
+ else if (parse_info->cmap)
{
const char **mapto;
char mapfrom[2];
{
const char **mapto;
char mapfrom[2];
@@
-421,12
+427,12
@@
static int read_charset (struct DFA_parse *parse_info)
assert (mapto);
ch1 = mapto[0][0];
}
assert (mapto);
ch1 = mapto[0][0];
}
- for (i=ch0; ++i<=ch1;)
+ for (i = ch0; ++i <= ch1;)
add_BSet (parse_info->charset, parse_info->look_chars, i);
add_BSet (parse_info->charset, parse_info->look_chars, i);
- if (!open_range)
- ch0 = nextchar_set (parse_info, &esc0);
- else
+
+ if (open_range)
break;
break;
+ ch0 = nextchar_set (parse_info, &esc0);
}
else
{
}
else
{
@@
-459,7
+465,7
@@
static int map_l_char (struct DFA_parse *parse_info)
parse_info->expr_ptr = (const unsigned char *) cp0;
parse_info->look_ch = ((unsigned char **) mapto)[i][0];
parse_info->expr_ptr = (const unsigned char *) cp0;
parse_info->look_ch = ((unsigned char **) mapto)[i][0];
- logf (LOG_DEBUG, "map from %c to %d", parse_info->expr_ptr[-1], parse_info->look_ch);
+ yaz_log (YLOG_DEBUG, "map from %c to %d", parse_info->expr_ptr[-1], parse_info->look_ch);
return L_CHAR;
}
return L_CHAR;
}
@@
-628,12
+634,12
@@
static void del_pos (struct DFA_parse *parse_info)
}
static void add_follow (struct DFA_parse *parse_info,
}
static void add_follow (struct DFA_parse *parse_info,
- Set lastpos, Set firstpos)
+ DFASet lastpos, DFASet firstpos)
{
while (lastpos)
{
parse_info->followpos[lastpos->value] =
{
while (lastpos)
{
parse_info->followpos[lastpos->value] =
- union_Set (parse_info->poset,
+ union_DFASet (parse_info->poset,
parse_info->followpos[lastpos->value], firstpos);
lastpos = lastpos->next;
}
parse_info->followpos[lastpos->value], firstpos);
lastpos = lastpos->next;
}
@@
-642,7
+648,7
@@
static void add_follow (struct DFA_parse *parse_info,
static void dfa_trav (struct DFA_parse *parse_info, struct Tnode *n)
{
struct Tnode **posar = parse_info->posar;
static void dfa_trav (struct DFA_parse *parse_info, struct Tnode *n)
{
struct Tnode **posar = parse_info->posar;
- SetType poset = parse_info->poset;
+ DFASetType poset = parse_info->poset;
switch (n->pos)
{
switch (n->pos)
{
@@
-650,21
+656,21
@@
static void dfa_trav (struct DFA_parse *parse_info, struct Tnode *n)
dfa_trav (parse_info, n->u.p[0]);
dfa_trav (parse_info, n->u.p[1]);
n->nullable = n->u.p[0]->nullable & n->u.p[1]->nullable;
dfa_trav (parse_info, n->u.p[0]);
dfa_trav (parse_info, n->u.p[1]);
n->nullable = n->u.p[0]->nullable & n->u.p[1]->nullable;
- n->firstpos = mk_Set (poset);
- n->firstpos = union_Set (poset, n->firstpos, n->u.p[0]->firstpos);
+ n->firstpos = mk_DFASet (poset);
+ n->firstpos = union_DFASet (poset, n->firstpos, n->u.p[0]->firstpos);
if (n->u.p[0]->nullable)
if (n->u.p[0]->nullable)
- n->firstpos = union_Set (poset, n->firstpos, n->u.p[1]->firstpos);
- n->lastpos = mk_Set (poset);
- n->lastpos = union_Set (poset, n->lastpos, n->u.p[1]->lastpos);
+ n->firstpos = union_DFASet (poset, n->firstpos, n->u.p[1]->firstpos);
+ n->lastpos = mk_DFASet (poset);
+ n->lastpos = union_DFASet (poset, n->lastpos, n->u.p[1]->lastpos);
if (n->u.p[1]->nullable)
if (n->u.p[1]->nullable)
- n->lastpos = union_Set (poset, n->lastpos, n->u.p[0]->lastpos);
+ n->lastpos = union_DFASet (poset, n->lastpos, n->u.p[0]->lastpos);
add_follow (parse_info, n->u.p[0]->lastpos, n->u.p[1]->firstpos);
add_follow (parse_info, n->u.p[0]->lastpos, n->u.p[1]->firstpos);
- n->u.p[0]->firstpos = rm_Set (poset, n->u.p[0]->firstpos);
- n->u.p[0]->lastpos = rm_Set (poset, n->u.p[0]->lastpos);
- n->u.p[1]->firstpos = rm_Set (poset, n->u.p[1]->firstpos);
- n->u.p[1]->lastpos = rm_Set (poset, n->u.p[1]->lastpos);
+ n->u.p[0]->firstpos = rm_DFASet (poset, n->u.p[0]->firstpos);
+ n->u.p[0]->lastpos = rm_DFASet (poset, n->u.p[0]->lastpos);
+ n->u.p[1]->firstpos = rm_DFASet (poset, n->u.p[1]->firstpos);
+ n->u.p[1]->lastpos = rm_DFASet (poset, n->u.p[1]->lastpos);
if (debug_dfa_trav)
printf ("CAT");
break;
if (debug_dfa_trav)
printf ("CAT");
break;
@@
-673,14
+679,14
@@
static void dfa_trav (struct DFA_parse *parse_info, struct Tnode *n)
dfa_trav (parse_info, n->u.p[1]);
n->nullable = n->u.p[0]->nullable | n->u.p[1]->nullable;
dfa_trav (parse_info, n->u.p[1]);
n->nullable = n->u.p[0]->nullable | n->u.p[1]->nullable;
- n->firstpos = merge_Set (poset, n->u.p[0]->firstpos,
+ n->firstpos = merge_DFASet (poset, n->u.p[0]->firstpos,
n->u.p[1]->firstpos);
n->u.p[1]->firstpos);
- n->lastpos = merge_Set (poset, n->u.p[0]->lastpos,
+ n->lastpos = merge_DFASet (poset, n->u.p[0]->lastpos,
n->u.p[1]->lastpos);
n->u.p[1]->lastpos);
- n->u.p[0]->firstpos = rm_Set (poset, n->u.p[0]->firstpos);
- n->u.p[0]->lastpos = rm_Set (poset, n->u.p[0]->lastpos);
- n->u.p[1]->firstpos = rm_Set (poset, n->u.p[1]->firstpos);
- n->u.p[1]->lastpos = rm_Set (poset, n->u.p[1]->lastpos);
+ n->u.p[0]->firstpos = rm_DFASet (poset, n->u.p[0]->firstpos);
+ n->u.p[0]->lastpos = rm_DFASet (poset, n->u.p[0]->lastpos);
+ n->u.p[1]->firstpos = rm_DFASet (poset, n->u.p[1]->firstpos);
+ n->u.p[1]->lastpos = rm_DFASet (poset, n->u.p[1]->lastpos);
if (debug_dfa_trav)
printf ("OR");
break;
if (debug_dfa_trav)
printf ("OR");
break;
@@
-704,18
+710,18
@@
static void dfa_trav (struct DFA_parse *parse_info, struct Tnode *n)
break;
case EPSILON:
n->nullable = 1;
break;
case EPSILON:
n->nullable = 1;
- n->lastpos = mk_Set (poset);
- n->firstpos = mk_Set (poset);
+ n->lastpos = mk_DFASet (poset);
+ n->firstpos = mk_DFASet (poset);
if (debug_dfa_trav)
printf ("EPSILON");
break;
default:
posar[n->pos] = n;
n->nullable = 0;
if (debug_dfa_trav)
printf ("EPSILON");
break;
default:
posar[n->pos] = n;
n->nullable = 0;
- n->firstpos = mk_Set (poset);
- n->firstpos = add_Set (poset, n->firstpos, n->pos);
- n->lastpos = mk_Set (poset);
- n->lastpos = add_Set (poset, n->lastpos, n->pos);
+ n->firstpos = mk_DFASet (poset);
+ n->firstpos = add_DFASet (poset, n->firstpos, n->pos);
+ n->lastpos = mk_DFASet (poset);
+ n->lastpos = add_DFASet (poset, n->lastpos, n->pos);
if (debug_dfa_trav)
{
if (n->u.ch[0] < 0)
if (debug_dfa_trav)
{
if (n->u.ch[0] < 0)
@@
-737,20
+743,20
@@
static void dfa_trav (struct DFA_parse *parse_info, struct Tnode *n)
{
printf ("\n nullable : %c\n", n->nullable ? '1' : '0');
printf (" firstpos :");
{
printf ("\n nullable : %c\n", n->nullable ? '1' : '0');
printf (" firstpos :");
- pr_Set (poset, n->firstpos);
+ pr_DFASet (poset, n->firstpos);
printf (" lastpos :");
printf (" lastpos :");
- pr_Set (poset, n->lastpos);
+ pr_DFASet (poset, n->lastpos);
}
}
static void init_followpos (struct DFA_parse *parse_info)
{
}
}
static void init_followpos (struct DFA_parse *parse_info)
{
- Set *fa;
+ DFASet *fa;
int i;
parse_info->followpos = fa =
int i;
parse_info->followpos = fa =
- (Set *) imalloc (sizeof(Set) * (1+parse_info->position));
+ (DFASet *) imalloc (sizeof(DFASet) * (1+parse_info->position));
for (i = parse_info->position+1; --i >= 0; fa++)
for (i = parse_info->position+1; --i >= 0; fa++)
- *fa = mk_Set (parse_info->poset);
+ *fa = mk_DFASet (parse_info->poset);
}
static void mk_dfa_tran (struct DFA_parse *parse_info, struct DFA_states *dfas)
}
static void mk_dfa_tran (struct DFA_parse *parse_info, struct DFA_states *dfas)
@@
-758,12
+764,12
@@
static void mk_dfa_tran (struct DFA_parse *parse_info, struct DFA_states *dfas)
int i, j, c;
int max_char;
short *pos, *pos_i;
int i, j, c;
int max_char;
short *pos, *pos_i;
- Set tran_set;
+ DFASet tran_set;
int char_0, char_1;
struct DFA_state *dfa_from, *dfa_to;
struct Tnode **posar;
int char_0, char_1;
struct DFA_state *dfa_from, *dfa_to;
struct Tnode **posar;
- SetType poset;
- Set *followpos;
+ DFASetType poset;
+ DFASet *followpos;
assert (parse_info);
assert (parse_info);
@@
-771,7
+777,7
@@
static void mk_dfa_tran (struct DFA_parse *parse_info, struct DFA_states *dfas)
max_char = parse_info->charset->size;
pos = (short *) imalloc (sizeof(*pos) * (parse_info->position+1));
max_char = parse_info->charset->size;
pos = (short *) imalloc (sizeof(*pos) * (parse_info->position+1));
- tran_set = cp_Set (parse_info->poset, parse_info->root->firstpos);
+ tran_set = cp_DFASet (parse_info->poset, parse_info->root->firstpos);
i = add_DFA_state (dfas, &tran_set, &dfa_from);
assert (i);
dfa_from->rule_no = 0;
i = add_DFA_state (dfas, &tran_set, &dfa_from);
assert (i);
dfa_from->rule_no = 0;
@@
-814,7
+820,7
@@
static void mk_dfa_tran (struct DFA_parse *parse_info, struct DFA_states *dfas)
char_1 = max_char;
char_1 = max_char;
- tran_set = mk_Set (poset);
+ tran_set = mk_DFASet (poset);
for (pos_i = pos; (i = *pos_i) != -1; ++pos_i)
{
if ((c=posar[i]->u.ch[0]) > char_0 && c <= char_1)
for (pos_i = pos; (i = *pos_i) != -1; ++pos_i)
{
if ((c=posar[i]->u.ch[0]) > char_0 && c <= char_1)
@@
-822,7
+828,7
@@
static void mk_dfa_tran (struct DFA_parse *parse_info, struct DFA_states *dfas)
else if ((c=posar[i]->u.ch[1]) >= char_0 && c < char_1)
char_1 = c; /* backward chunk */
if (posar[i]->u.ch[1] >= char_0 && posar[i]->u.ch[0] <= char_0)
else if ((c=posar[i]->u.ch[1]) >= char_0 && c < char_1)
char_1 = c; /* backward chunk */
if (posar[i]->u.ch[1] >= char_0 && posar[i]->u.ch[0] <= char_0)
- tran_set = union_Set (poset, tran_set, followpos[i]);
+ tran_set = union_DFASet (poset, tran_set, followpos[i]);
}
if (tran_set)
{
}
if (tran_set)
{
@@
-852,7
+858,7
@@
static void pr_tran (struct DFA_parse *parse_info, struct DFA_states *dfas)
printf (" #%d", s->rule_nno);
putchar (':');
printf (" #%d", s->rule_nno);
putchar (':');
- pr_Set (parse_info->poset, s->set);
+ pr_DFASet (parse_info->poset, s->set);
prev_no = -1;
for (i=s->tran_no, tran=s->trans; --i >= 0; tran++)
{
prev_no = -1;
for (i=s->tran_no, tran=s->trans; --i >= 0; tran++)
{
@@
-876,12
+882,12
@@
static void pr_verbose (struct DFA_parse *parse_info, struct DFA_states *dfas)
{
long i, j;
int k;
{
long i, j;
int k;
- printf ("%d/%d tree nodes used, %d bytes each\n",
- parse_info->use_Tnode, parse_info->max_Tnode, sizeof (struct Tnode));
+ printf ("%d/%d tree nodes used, %ld bytes each\n",
+ parse_info->use_Tnode, parse_info->max_Tnode, (long) sizeof (struct Tnode));
k = inf_BSetHandle (parse_info->charset, &i, &j);
k = inf_BSetHandle (parse_info->charset, &i, &j);
- printf ("%ld/%ld character sets, %d bytes each\n",
- i/k, j/k, k*sizeof(BSetWord));
- k = inf_SetType (parse_info->poset, &i, &j);
+ printf ("%ld/%ld character sets, %ld bytes each\n",
+ i/k, j/k, (long) k*sizeof(BSetWord));
+ k = inf_DFASetType (parse_info->poset, &i, &j);
printf ("%ld/%ld poset items, %d bytes each\n", i, j, k);
printf ("%d DFA states\n", dfas->no);
}
printf ("%ld/%ld poset items, %d bytes each\n", i, j, k);
printf ("%d DFA states\n", dfas->no);
}
@@
-894,7
+900,7
@@
static void pr_followpos (struct DFA_parse *parse_info)
for (i=1; i <= parse_info->position; i++)
{
printf ("%3d:", i);
for (i=1; i <= parse_info->position; i++)
{
printf ("%3d:", i);
- pr_Set (parse_info->poset, parse_info->followpos[i]);
+ pr_DFASet (parse_info->poset, parse_info->followpos[i]);
putchar ('\t');
if (posar[i]->u.ch[0] < 0)
putchar ('\t');
if (posar[i]->u.ch[0] < 0)
@@
-1026,9
+1032,12
@@
static struct DFA_parse *dfa_parse_init (void)
parse_info->rule = 0;
parse_info->root = NULL;
parse_info->rule = 0;
parse_info->root = NULL;
+ /* initialize the anyset which by default does not include \n */
parse_info->anyset = mk_BSet (&parse_info->charset);
res_BSet (parse_info->charset, parse_info->anyset);
parse_info->anyset = mk_BSet (&parse_info->charset);
res_BSet (parse_info->charset, parse_info->anyset);
+ add_BSet (parse_info->charset, parse_info->anyset, '\n');
com_BSet (parse_info->charset, parse_info->anyset);
com_BSet (parse_info->charset, parse_info->anyset);
+
parse_info->use_Tnode = parse_info->max_Tnode = 0;
parse_info->start = parse_info->end = NULL;
parse_info->charMap = NULL;
parse_info->use_Tnode = parse_info->max_Tnode = 0;
parse_info->start = parse_info->end = NULL;
parse_info->charMap = NULL;
@@
-1056,7
+1065,7
@@
static struct DFA_states *mk_dfas (struct DFA_parse *dfap, int poset_chunk)
assert (poset_chunk > 10);
assert (dfap);
assert (poset_chunk > 10);
assert (dfap);
- parse_info->poset = mk_SetType (poset_chunk);
+ parse_info->poset = mk_DFASetType (poset_chunk);
init_pos(parse_info);
init_followpos(parse_info);
assert (parse_info->root);
init_pos(parse_info);
init_followpos(parse_info);
assert (parse_info->root);
@@
-1067,12
+1076,14
@@
static struct DFA_states *mk_dfas (struct DFA_parse *dfap, int poset_chunk)
init_DFA_states (&dfas, parse_info->poset, (int) (STATE_HASH));
mk_dfa_tran (parse_info, dfas);
if (debug_dfa_tran)
init_DFA_states (&dfas, parse_info->poset, (int) (STATE_HASH));
mk_dfa_tran (parse_info, dfas);
if (debug_dfa_tran)
+ {
pr_tran (parse_info, dfas);
pr_tran (parse_info, dfas);
+ }
if (dfa_verbose)
pr_verbose (parse_info, dfas);
del_pos(parse_info);
del_followpos(parse_info);
if (dfa_verbose)
pr_verbose (parse_info, dfas);
del_pos(parse_info);
del_followpos(parse_info);
- rm_SetType (parse_info->poset);
+ rm_DFASetType (parse_info->poset);
return dfas;
}
return dfas;
}
@@
-1088,6
+1099,11
@@
struct DFA *dfa_init (void)
return dfa;
}
return dfa;
}
+void dfa_anyset_includes_nl(struct DFA *dfa)
+{
+ add_BSet (dfa->parse_info->charset, dfa->parse_info->anyset, '\n');
+}
+
void dfa_set_cmap (struct DFA *dfa, void *vp,
const char **(*cmap)(void *vp, const char **from, int len))
{
void dfa_set_cmap (struct DFA *dfa, void *vp,
const char **(*cmap)(void *vp, const char **from, int len))
{
@@
-1095,6
+1111,11
@@
void dfa_set_cmap (struct DFA *dfa, void *vp,
dfa->parse_info->cmap_data = vp;
}
dfa->parse_info->cmap_data = vp;
}
+int dfa_get_last_rule (struct DFA *dfa)
+{
+ return dfa->parse_info->rule;
+}
+
int dfa_parse (struct DFA *dfa, const char **pattern)
{
struct Tnode *top;
int dfa_parse (struct DFA *dfa, const char **pattern)
{
struct Tnode *top;
@@
-1104,12
+1125,6
@@
int dfa_parse (struct DFA *dfa, const char **pattern)
assert (dfa->parse_info);
parse_info = dfa->parse_info;
assert (dfa->parse_info);
parse_info = dfa->parse_info;
- if (!parse_info->cmap)
- {
- res_BSet (parse_info->charset, parse_info->anyset);
- add_BSet (parse_info->charset, parse_info->anyset, '\n');
- com_BSet (parse_info->charset, parse_info->anyset);
- }
do_parse (parse_info, pattern, &top);
if (parse_info->err_code)
return parse_info->err_code;
do_parse (parse_info, pattern, &top);
if (parse_info->err_code)
return parse_info->err_code;
@@
-1149,3
+1164,12
@@
void dfa_delete (struct DFA **dfap)
ifree (*dfap);
*dfap = NULL;
}
ifree (*dfap);
*dfap = NULL;
}
+/*
+ * Local variables:
+ * c-basic-offset: 4
+ * c-file-style: "Stroustrup"
+ * indent-tabs-mode: nil
+ * End:
+ * vim: shiftwidth=4 tabstop=8 expandtab
+ */
+