main.c

   1 /*
   2  * Copyright (C) 2012
   3  *     Dale Weiler
   4  *
   5  * Permission is hereby granted, free of charge, to any person obtaining a copy of
   6  * this software and associated documentation files (the "Software"), to deal in
   7  * the Software without restriction, including without limitation the rights to
   8  * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
   9  * of the Software, and to permit persons to whom the Software is furnished to do
  10  * so, subject to the following conditions:
  11  *
  12  * The above copyright notice and this permission notice shall be included in all
  13  * copies or substantial portions of the Software.
  14  *
  15  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  16  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  17  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
  18  * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  19  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  20  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  21  * SOFTWARE.
  22  */
  23 #include "gmqcc.h"
  24
  25 static const char *output = "progs.dat";
  26 static const char *input  = NULL;
  27
  28 #define OptReq(opt, body)                                         \
  29     case opt:                                                     \
  30         if (argv[0][2]) argarg = argv[0]+2;                       \
  31         else {                                                    \
  32             if (argc < 2) {                                       \
  33                 printf("option -%c requires an argument\n", opt); \
  34                 exit(1);                                          \
  35             }                                                     \
  36             argarg = argv[1];                                     \
  37             --argc;                                               \
  38             ++argv;                                               \
  39         }                                                         \
  40         do { body } while (0);                                    \
  41         break;
  42
  43 #define LongReq(opt, body)                                   \
  44     if (!strcmp(argv[0], opt)) {                             \
  45         if (argc < 2) {                                      \
  46             printf("option " opt " requires an argument\n"); \
  47             exit(1);                                         \
  48         }                                                    \
  49         argarg = argv[1];                                    \
  50         --argc;                                              \
  51         ++argv;                                              \
  52         do { body } while (0);                               \
  53         break;                                               \
  54     } else if (!strncmp(argv[0], opt "=", sizeof(opt "=")))  \
  55     {                                                        \
  56         argarg = argv[0] + sizeof(opt "=");                  \
  57         do { body } while (0);                               \
  58         break;                                               \
  59     }
  60
  61 bool parser_compile(const char *filename, const char *datfile);
  62 int main(int argc, char **argv) {
  63     const char *argarg;
  64     char opt;
  65
  66     util_debug("COM", "starting ...\n");
  67
  68     --argc;
  69     ++argv;
  70     while (argc > 0) {
  71         if (argv[0][0] == '-') {
  72             opt = argv[0][1];
  73             switch (opt)
  74             {
  75                 OptReq('o', output = argarg; );
  76                 case '-':
  77                     LongReq("--output", output = argarg; );
  78                 default:
  79                     printf("Unrecognized option: %s\n", argv[0]);
  80                     break;
  81             }
  82         }
  83         else
  84         {
  85             if (input) {
  86                 printf("Onlyh 1 input file allowed\n");
  87                 exit(1);
  88             }
  89             input = argv[0];
  90         }
  91         --argc;
  92         ++argv;
  93     }
  94
  95     if (!input) {
  96         printf("must specify an input file\n");
  97     }
  98
  99     if (!parser_compile(input, output)) {
 100         printf("There were compile errors\n");
 101     }
 102
 103     util_debug("COM", "cleaning ...\n");
 104
 105     util_meminfo();
 106     return 0;
 107 }