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171
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1 /*
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2 main.c
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3 Copyright © 2009 William Astle
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4
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5 This file is part of LWAR.
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6
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7 LWAR is free software: you can redistribute it and/or modify it under the
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8 terms of the GNU General Public License as published by the Free Software
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9 Foundation, either version 3 of the License, or (at your option) any later
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10 version.
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11
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12 This program is distributed in the hope that it will be useful, but WITHOUT
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13 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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15 more details.
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16
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17 You should have received a copy of the GNU General Public License along with
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18 this program. If not, see <http://www.gnu.org/licenses/>.
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19
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20
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21 Implements the program startup code
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22
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23 */
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24
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25 #ifdef HAVE_CONFIG_H
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26 #include "config.h"
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27 #endif
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28
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29 #include <argp.h>
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30 #include <errno.h>
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31 #include <stdio.h>
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32 #include <stdlib.h>
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33
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34 #include "lwar.h"
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35
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36 // command line option handling
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37 const char *argp_program_version = "LWAR from " PACKAGE_STRING;
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38 const char *argp_program_bug_address = PACKAGE_BUGREPORT;
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39
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40 static error_t parse_opts(int key, char *arg, struct argp_state *state)
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41 {
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42 switch (key)
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43 {
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44 case 'd':
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45 // debug
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46 debug_level++;
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47 break;
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48
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49 // case ARGP_KEY_ARG:
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50 //
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51 // break;
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52
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53 default:
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54 return ARGP_ERR_UNKNOWN;
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55 }
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56 return 0;
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57 }
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58
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59 static struct argp_option options[] =
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60 {
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61 { "debug", 'd', 0, 0,
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62 "Set debug mode"},
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63 { 0 }
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64 };
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65
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66 static struct argp argp =
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67 {
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68 options,
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69 parse_opts,
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70 "<input file> ...",
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71 "LWLINK, a HD6309 and MC6809 cross-linker"
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72 };
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73
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74 // main function; parse command line, set up assembler state, and run the
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75 // assembler on the first file
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76 int main(int argc, char **argv)
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77 {
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78 argp_parse(&argp, argc, argv, 0, 0, NULL);
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79
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80 exit(0);
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81 }
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