schedule_cmp.c

   1 /*
   2  * Copyright 2017      Sven Verdoolaege
   3  *
   4  * Use of this software is governed by the MIT license
   5  *
   6  * Written by Sven Verdoolaege.
   7  */
   8
   9 #include <stdlib.h>
  10
  11 #include <isl/arg.h>
  12 #include <isl/options.h>
  13 #include <isl/schedule.h>
  14
  15 struct options {
  16         struct isl_options *isl;
  17         char *schedule1;
  18         char *schedule2;
  19 };
  20
  21 ISL_ARGS_START(struct options, options_args)
  22 ISL_ARG_CHILD(struct options, isl, "isl", &isl_options_args, "isl options")
  23 ISL_ARG_ARG(struct options, schedule1, "schedule1", NULL)
  24 ISL_ARG_ARG(struct options, schedule2, "schedule2", NULL)
  25 ISL_ARGS_END
  26
  27 ISL_ARG_DEF(options, struct options, options_args)
  28
  29 static void die(const char *msg)
  30 {
  31         fprintf(stderr, "%s\n", msg);
  32         exit(EXIT_FAILURE);
  33 }
  34
  35 static FILE *open_or_die(const char *filename)
  36 {
  37         FILE *file;
  38
  39         file = fopen(filename, "r");
  40         if (!file) {
  41                 fprintf(stderr, "Unable to open %s\n", filename);
  42                 exit(EXIT_FAILURE);
  43         }
  44         return file;
  45 }
  46
  47 /* Given two YAML descriptions of isl_schedule objects, check whether
  48  * they are equivalent.
  49  * Return EXIT_SUCCESS if they are and EXIT_FAILURE if they are not
  50  * or if anything else went wrong.
  51  */
  52 int main(int argc, char **argv)
  53 {
  54         isl_ctx *ctx;
  55         struct options *options;
  56         FILE *input1, *input2;
  57         isl_bool equal;
  58         isl_schedule *s1, *s2;
  59
  60         options = options_new_with_defaults();
  61         if (!options)
  62                 return EXIT_FAILURE;
  63
  64         ctx = isl_ctx_alloc_with_options(&options_args, options);
  65         argc = options_parse(options, argc, argv, ISL_ARG_ALL);
  66
  67         input1 = open_or_die(options->schedule1);
  68         input2 = open_or_die(options->schedule2);
  69         s1 = isl_schedule_read_from_file(ctx, input1);
  70         s2 = isl_schedule_read_from_file(ctx, input2);
  71
  72         equal = isl_schedule_plain_is_equal(s1, s2);
  73         if (equal < 0)
  74                 return EXIT_FAILURE;
  75         if (!equal)
  76                 die("schedules differ");
  77
  78         isl_schedule_free(s1);
  79         isl_schedule_free(s2);
  80         fclose(input1);
  81         fclose(input2);
  82         isl_ctx_free(ctx);
  83
  84         return EXIT_SUCCESS;
  85 }