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/* 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
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-proto.h>
#include <kpathsea/c-std.h>
#include <kpathsea/c-fopen.h>
#include <kpathsea/tex-file.h>
#include "otp.h"
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 "
};
void ctp_abort
P1C (string, s)
{
fprintf (stderr, s);
exit (EXIT_FAILURE);
}
int no_words_read = 0;
int ctp_get
P1C (FILE *, input_file)
{
int ctpchar;
ctpchar = getc (input_file);
if (ctpchar == EOF)
{
ctp_abort ("Unexpected end of file\n");
}
return ctpchar;
}
int ctp_read
P1C (FILE *, input_file)
{
int ctpword;
no_words_read++;
ctpword = ctp_get (input_file);
if (ctpword > 127)
{
ctp_abort ("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;
}
void ctp_explain
P1C (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[100], room_states[100];
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 >= 100)
{
ctp_abort ("Too many tables\n");
}
if (ctp_no_states >= 100)
{
ctp_abort ("Too many states\n");
}
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
P2C (int, argc, string *, argv)
{
string input_name, full_input_name;
FILE *input_file;
kpse_set_progname (argv[0]);
switch (argc)
{
case 1:
fprintf (stderr, "outocp: No file given\n");
return EXIT_FAILURE;
case 2:
input_name = argv[1];
break;
default:
fprintf (stderr, "outocp: Too many arguments\n");
return EXIT_FAILURE;
}
full_input_name = kpse_find_file (input_name, kpse_ocp_format, true);
if (!full_input_name)
{
fprintf (stderr, "outocp: %s not found\n", input_name);
return EXIT_FAILURE;
}
input_file = xfopen (full_input_name, FOPEN_RBIN_MODE);
ctp_explain (input_file);
return EXIT_SUCCESS;
}
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