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
215
216
217
218
219
|
/* outocp.c: ASCII output for OCP files, mainly for debugging purposes.
This file is part of Omega,
which is based on the web2c distribution of TeX.
Copyright (c) 1994--2001 John Plaice and Yannis Haralambous
Copyright (C) 2005 Roozbeh Pournader
Omega 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 Software Foundation; either version 2 of the License, or
(at your option) any later version.
Omega is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or 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
along with Omega; if not, write to the Free Software Foundation, Inc.,
59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
*/
#include <kpathsea/config.h>
#include <kpathsea/types.h>
#include <kpathsea/c-std.h>
#include <kpathsea/c-fopen.h>
#include <kpathsea/tex-file.h>
#include "otp.h"
const char *otp_names[] = {
" ",
"OTP_RIGHT_OUTPUT ",
"OTP_RIGHT_NUM ",
"OTP_RIGHT_CHAR ",
"OTP_RIGHT_LCHAR ",
"OTP_RIGHT_SOME ",
"OTP_PBACK_OUTPUT ",
"OTP_PBACK_NUM ",
"OTP_PBACK_CHAR ",
"OTP_PBACK_LCHAR ",
"OTP_PBACK_SOME ",
"OTP_ADD ",
"OTP_SUB ",
"OTP_MULT ",
"OTP_DIV ",
"OTP_MOD ",
"OTP_LOOKUP ",
"OTP_PUSH_NUM ",
"OTP_PUSH_CHAR ",
"OTP_PUSH_LCHAR ",
"OTP_STATE_CHANGE ",
"OTP_STATE_PUSH ",
"OTP_STATE_POP ",
"OTP_LEFT_START ",
"OTP_LEFT_RETURN ",
"OTP_LEFT_BACKUP ",
"OTP_GOTO ",
"OTP_GOTO_NE ",
"OTP_GOTO_EQ ",
"OTP_GOTO_LT ",
"OTP_GOTO_LE ",
"OTP_GOTO_GT ",
"OTP_GOTO_GE ",
"OTP_GOTO_NO_ADVANCE",
"OTP_GOTO_BEG ",
"OTP_GOTO_END ",
"OTP_STOP "
};
int no_words_read = 0;
static int
ctp_get(FILE *input_file)
{
int ctpchar;
ctpchar = getc (input_file);
if (ctpchar == EOF)
{
FATAL ("Unexpected end of file");
}
return ctpchar;
}
static int
ctp_read(FILE *input_file)
{
int ctpword;
no_words_read++;
ctpword = ctp_get (input_file);
if (ctpword > 127)
{
FATAL ("First octet > 127");
}
ctpword = ctpword * 256 + ctp_get (input_file);
ctpword = ctpword * 256 + ctp_get (input_file);
ctpword = ctpword * 256 + ctp_get (input_file);
return ctpword;
}
static void
ctp_explain(FILE *input_file)
{
int i, j, arg, entry, instruction;
int ctp_length, real_ctp_length, ctp_input, ctp_output,
ctp_no_tables, ctp_room_tables, ctp_no_states, ctp_room_states;
int room_tables[OTP_MAXTABLES], room_states[OTP_MAXSTATES];
ctp_length = ctp_read (input_file);
fprintf (stdout, "ctp_length : %3x(%3d)\n", ctp_length, ctp_length);
real_ctp_length = ctp_length - 7;
fprintf (stdout, "real_ctp_length: %3x(%3d)\n",
real_ctp_length, real_ctp_length);
ctp_input = ctp_read (input_file);
fprintf (stdout, "ctp_input : %3x(%3d)\n", ctp_input, ctp_input);
ctp_output = ctp_read (input_file);
fprintf (stdout, "ctp_output : %3x(%3d)\n", ctp_output, ctp_output);
ctp_no_tables = ctp_read (input_file);
fprintf (stdout, "ctp_no_tables : %3x(%3d)\n",
ctp_no_tables, ctp_no_tables);
ctp_room_tables = ctp_read (input_file);
fprintf (stdout, "ctp_room_tables: %3x(%3d)\n",
ctp_room_tables, ctp_room_tables);
ctp_no_states = ctp_read (input_file);
fprintf (stdout, "ctp_no_states : %3x(%3d)\n",
ctp_no_states, ctp_no_states);
ctp_room_states = ctp_read (input_file);
fprintf (stdout, "ctp_room_states: %3x(%3d)\n\n",
ctp_room_states, ctp_room_states);
if (ctp_no_tables >= OTP_MAXTABLES)
{
FATAL ("Too many tables");
}
if (ctp_no_states >= OTP_MAXSTATES)
{
FATAL ("Too many states");
}
if (ctp_no_tables != 0)
{
for (i = 0; i < ctp_no_tables; i++)
{
room_tables[i] = ctp_read (input_file);
fprintf (stdout, "Table %2x(%2d): %3x(%3d)entries\n",
i, i, room_tables[i], room_tables[i]);
}
fprintf (stdout, "\n");
for (i = 0; i < ctp_no_tables; i++)
{
for (j = 0; j < room_tables[i]; j++)
{
entry = ctp_read (input_file);
fprintf (stdout, "Table %2x(%2d), entry %3x(%3d): %2x(%3d)\n",
i, i, j, j, entry, entry);
}
}
fprintf (stdout, "\n");
}
if (ctp_no_states != 0)
{
for (i = 0; i < ctp_no_states; i++)
{
room_states[i] = ctp_read (input_file);
fprintf (stdout, "State %2x(%2d): %3x(%3d) entries\n",
i, i, room_states[i], room_states[i]);
}
fprintf (stdout, "\n");
for (i = 0; i < ctp_no_states; i++)
{
for (j = 0; j < room_states[i]; j++)
{
instruction = ctp_read (input_file);
arg = instruction & 0xffffff;
if ((arg >= 32) && (arg < 127))
fprintf (stdout,
"State %2x(%2d), entry %3x(%3d): %s %2x(%3d,`%c')\n",
i, i, j, j, otp_names[instruction >> 24],
arg, arg, arg);
else
fprintf (stdout,
"State %2x(%2d), entry %3x(%3d): %s %2x(%3d)\n",
i, i, j, j, otp_names[instruction >> 24], arg, arg);
}
}
}
fprintf (stdout, "\nfile length should be: %3x(%3d)\n",
ctp_length, ctp_length);
fprintf (stdout, "number words read : %3x(%3d)\n",
no_words_read, no_words_read);
}
int
main(int argc, string *argv)
{
string input_name, full_input_name;
FILE *input_file;
kpse_set_program_name (argv[0], "outocp");
switch (argc)
{
case 1:
FATAL ("No file given");
case 2:
input_name = argv[1];
break;
default:
FATAL ("Too many arguments");
}
full_input_name = kpse_find_file (input_name, kpse_ocp_format, true);
if (!full_input_name)
{
FATAL1 ("%s not found", input_name);
}
input_file = xfopen (full_input_name, FOPEN_RBIN_MODE);
ctp_explain (input_file);
return EXIT_SUCCESS;
}
|
