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/union_map.h>
14 #include <isl/stream.h>
15
16 struct options {
17 struct isl_options *isl;
18 char *flow1;
19 char *flow2;
20 };
21
ISL_ARGS_START(struct options,options_args)22 ISL_ARGS_START(struct options, options_args)
23 ISL_ARG_CHILD(struct options, isl, "isl", &isl_options_args, "isl options")
24 ISL_ARG_ARG(struct options, flow1, "flow1", NULL)
25 ISL_ARG_ARG(struct options, flow2, "flow2", NULL)
26 ISL_ARGS_END
27
28 ISL_ARG_DEF(options, struct options, options_args)
29
30 static void die(const char *msg)
31 {
32 fprintf(stderr, "%s\n", msg);
33 exit(EXIT_FAILURE);
34 }
35
open_or_die(const char * filename)36 static FILE *open_or_die(const char *filename)
37 {
38 FILE *file;
39
40 file = fopen(filename, "r");
41 if (!file) {
42 fprintf(stderr, "Unable to open %s\n", filename);
43 exit(EXIT_FAILURE);
44 }
45 return file;
46 }
47
48 #undef BASE
49 #define BASE union_map
50 #include "read_in_string_templ.c"
51
52 /* Given two YAML descriptions of isl_union_flow objects, check whether
53 * they are equivalent.
54 * Return EXIT_SUCCESS if they are and EXIT_FAILURE if they are not
55 * or if anything else went wrong.
56 *
57 * The descriptions are checked field by field, meaning that the fields
58 * are expected to appear in the same order in both inputs.
59 */
main(int argc,char ** argv)60 int main(int argc, char **argv)
61 {
62 int more;
63 isl_ctx *ctx;
64 struct options *options;
65 FILE *input1, *input2;
66 isl_stream *s1, *s2;
67
68 options = options_new_with_defaults();
69 if (!options)
70 return EXIT_FAILURE;
71
72 ctx = isl_ctx_alloc_with_options(&options_args, options);
73 argc = options_parse(options, argc, argv, ISL_ARG_ALL);
74
75 input1 = open_or_die(options->flow1);
76 input2 = open_or_die(options->flow2);
77 s1 = isl_stream_new_file(ctx, input1);
78 s2 = isl_stream_new_file(ctx, input2);
79
80 if (isl_stream_yaml_read_start_mapping(s1))
81 isl_die(ctx, isl_error_unknown, "arg1 not a YAML mapping",
82 return EXIT_FAILURE);
83 if (isl_stream_yaml_read_start_mapping(s2))
84 isl_die(ctx, isl_error_unknown, "arg2 not a YAML mapping",
85 return EXIT_FAILURE);
86
87 while ((more = isl_stream_yaml_next(s1)) > 0) {
88 int more2;
89 isl_bool equal;
90 isl_union_map *umap1, *umap2;
91
92 more2 = isl_stream_yaml_next(s2);
93 if (more2 < 0)
94 return EXIT_FAILURE;
95 if (!more2)
96 isl_die(ctx, isl_error_unknown, "arg2 shorter",
97 return EXIT_FAILURE);
98 if (isl_stream_eat(s1, ISL_TOKEN_IDENT) < 0)
99 return EXIT_FAILURE;
100 if (isl_stream_eat(s2, ISL_TOKEN_IDENT) < 0)
101 return EXIT_FAILURE;
102 more = isl_stream_yaml_next(s1);
103 more2 = isl_stream_yaml_next(s2);
104 if (more < 0 || more2 < 0)
105 return EXIT_FAILURE;
106 if (!more || !more2)
107 isl_die(ctx, isl_error_unknown, "missing value",
108 return EXIT_FAILURE);
109
110 umap1 = read_union_map(s1);
111 umap2 = read_union_map(s2);
112 equal = isl_union_map_is_equal(umap1, umap2);
113 isl_union_map_free(umap1);
114 isl_union_map_free(umap2);
115 if (equal < 0)
116 return EXIT_FAILURE;
117 if (!equal)
118 die("field not equal");
119 }
120 if (more < 0)
121 return EXIT_FAILURE;
122
123
124 if (isl_stream_yaml_read_end_mapping(s1) < 0) {
125 isl_stream_error(s1, NULL, "unexpected extra elements");
126 return EXIT_FAILURE;
127 }
128 if (isl_stream_yaml_read_end_mapping(s2) < 0) {
129 isl_stream_error(s2, NULL, "unexpected extra elements");
130 return EXIT_FAILURE;
131 }
132
133 isl_stream_free(s1);
134 isl_stream_free(s2);
135 fclose(input1);
136 fclose(input2);
137 isl_ctx_free(ctx);
138
139 return EXIT_SUCCESS;
140 }
141