1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
|
#include <stdio.h>
#include <string.h>
struct forder
{
int cs;
};
static const char _forder_trans_keys [] = { 1, 0, 0, 3, 2, 2, 0, 3, 0, 3, 0, 2, 0, 3, 0, 3, 0, 3, 0, 2, 0, 2, 1, 0, 0 , };
static const char _forder_char_class [] = { 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 3, 0 , };
static const char _forder_index_offsets [] = { 0, 0, 4, 5, 9, 13, 16, 20, 24, 28, 31, 34, 0 , };
static const char _forder_indices [] = { 0, 1, 2, 3, 4, 5, 1, 6, 7, 8, 1, 9, 10, 8, 1, 9, 8, 1, 9, 11, 8, 1, 9, 12, 13, 1, 14, 15, 8, 1, 16, 13, 1, 14, 0 , };
static const char _forder_index_defaults [] = { 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0 , };
static const char _forder_trans_cond_spaces [] = { -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 0 , };
static const char _forder_cond_targs [] = { 11, 0, 2, 6, 3, 11, 2, 4, 11, 5, 4, 7, 8, 11, 9, 6, 10, 0 , };
static const char _forder_cond_actions [] = { 1, 0, 2, 3, 0, 4, 0, 5, 6, 0, 0, 0, 0, 7, 0, 0, 0, 0 , };
static const char _forder_nfa_targs [] = { 0, 0 , };
static const char _forder_nfa_offsets [] = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 , };
static const char _forder_nfa_push_actions [] = { 0, 0 , };
static const char _forder_nfa_pop_trans [] = { 0, 0 , };
static const int forder_start = 1;
static const int forder_first_final = 11;
static const int forder_error = 0;
static const int forder_en_main = 1;
void forder_init( struct forder *fsm )
{
{
(fsm->cs) = ( int ) forder_start;
}
}
void forder_execute( struct forder *fsm, const char *_data, int _len )
{
const char *p = _data;
const char *pe = _data+_len;
{
unsigned int _trans = 0;
unsigned int _have = 0;
unsigned int _cont = 1;
const char *_keys;
const char *_inds;
while ( _cont == 1 )
{
if ( (fsm->cs) == 0 )
_cont = 0;
_have = 0;
if ( p == pe )
{
if ( _have == 0 )
_cont = 0;
}
if ( _cont == 1 )
{
if ( _have == 0 )
{
_keys = _forder_trans_keys + ((fsm->cs)<<1);
_inds = _forder_indices + _forder_index_offsets[(fsm->cs)];
if ( ((*( p ))
)<= 98 && ((*( p ))
)>= 10 )
{
int _ic = ( int ) _forder_char_class[( int ) ((*( p ))
)- 10];
if ( _ic <= ( int ) (*( _keys+1 ))
&& _ic >= ( int ) (*( _keys ))
)
_trans = ( unsigned int ) (*( _inds + ( int ) (_ic - ( int ) (*( _keys ))
) ))
;
else
_trans = ( unsigned int ) _forder_index_defaults[(fsm->cs)];
}
else
{
_trans = ( unsigned int ) _forder_index_defaults[(fsm->cs)];
}
}
if ( _cont == 1 )
{
(fsm->cs) = ( int ) _forder_cond_targs[_trans];
switch ( _forder_cond_actions[_trans] ) {
case 6 :
{
printf("accept m1\n");
}
break;
case 4 :
{
printf("accept m2\n");
}
break;
case 2 :
{
printf("enter m1 aa\n");
}
{
printf("enter m2\n");
}
break;
case 5 :
{
printf("leave m1 aa\n");
}
{
printf("through m1 b\n");
}
break;
case 7 :
{
printf("accept m1\n");
}
{
printf("accept m2\n");
}
break;
case 1 :
{
printf("enter m2\n");
}
{
printf("enter m2\n");
}
{
printf("accept m2\n");
}
break;
case 3 :
{
printf("enter m1 aa\n");
}
{
printf("enter m1 aa\n");
}
{
printf("leave m1 aa\n");
}
{
printf("through m1 b\n");
}
{
printf("enter m2\n");
}
break;
}
if ( (fsm->cs) == 0 )
_cont = 0;
if ( _cont == 1 )
p += 1;
}
}
}
}
}
int forder_finish( struct forder *fsm )
{
if ( fsm->cs == forder_error )
return -1;
if ( fsm->cs >= forder_first_final )
return 1;
return 0;
}
struct forder fsm;
void test( char *buf )
{
int len = strlen( buf );
forder_init( &fsm );
forder_execute( &fsm, buf, len );
if ( forder_finish( &fsm ) > 0 )
printf("ACCEPT\n");
else
printf("FAIL\n");
}
int main()
{
test( "aaaaaabbbaa\n" );
test( "\n" );
test( "bbbbbbaaaaaaa\n" );
test( "bbbbbbaaaaaa\n" );
test( "aaaaa\n" );
return 0;
}
|