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
16struct options {
17 struct isl_options *isl;
18 char *flow1;
19 char *flow2;
20};
21
22ISL_ARGS_START(struct options, options_args)
23ISL_ARG_CHILD(struct options, isl, "isl", &isl_options_args, "isl options")
24ISL_ARG_ARG(struct options, flow1, "flow1", NULL)
25ISL_ARG_ARG(struct options, flow2, "flow2", NULL)
26ISL_ARGS_END
27
28ISL_ARG_DEF(options, struct options, options_args)
29
30static void die(const char *msg)
31{
32 fprintf(stderr, format: "%s\n", msg);
33 exit(EXIT_FAILURE);
34}
35
36static FILE *open_or_die(const char *filename)
37{
38 FILE *file;
39
40 file = fopen(filename: filename, modes: "r");
41 if (!file) {
42 fprintf(stderr, format: "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 */
60int main(int argc, char **argv)
61{
62 isl_bool 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(args: &options_args, opt: options);
73 argc = options_parse(opt: options, argc, argv, ISL_ARG_ALL);
74
75 input1 = open_or_die(filename: options->flow1);
76 input2 = open_or_die(filename: options->flow2);
77 s1 = isl_stream_new_file(ctx, file: input1);
78 s2 = isl_stream_new_file(ctx, file: input2);
79
80 if (isl_stream_yaml_read_start_mapping(s: s1) < 0)
81 isl_die(ctx, isl_error_unknown, "arg1 not a YAML mapping",
82 return EXIT_FAILURE);
83 if (isl_stream_yaml_read_start_mapping(s: s2) < 0)
84 isl_die(ctx, isl_error_unknown, "arg2 not a YAML mapping",
85 return EXIT_FAILURE);
86
87 while ((more = isl_stream_yaml_next(s: s1)) == isl_bool_true) {
88 isl_bool more2;
89 isl_bool equal;
90 isl_union_map *umap1, *umap2;
91
92 more2 = isl_stream_yaml_next(s: 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(s: s1, type: ISL_TOKEN_IDENT) < 0)
99 return EXIT_FAILURE;
100 if (isl_stream_eat(s: s2, type: ISL_TOKEN_IDENT) < 0)
101 return EXIT_FAILURE;
102 more = isl_stream_yaml_next(s: s1);
103 more2 = isl_stream_yaml_next(s: 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(s: s1);
111 umap2 = read_union_map(s: s2);
112 equal = isl_union_map_is_equal(umap1, umap2);
113 isl_union_map_free(umap: umap1);
114 isl_union_map_free(umap: umap2);
115 if (equal < 0)
116 return EXIT_FAILURE;
117 if (!equal)
118 die(msg: "field not equal");
119 }
120 if (more < 0)
121 return EXIT_FAILURE;
122
123
124 if (isl_stream_yaml_read_end_mapping(s: s1) < 0)
125 return EXIT_FAILURE;
126 if (isl_stream_yaml_read_end_mapping(s: s2) < 0)
127 return EXIT_FAILURE;
128
129 isl_stream_free(s: s1);
130 isl_stream_free(s: s2);
131 fclose(stream: input1);
132 fclose(stream: input2);
133 isl_ctx_free(ctx);
134
135 return EXIT_SUCCESS;
136}
137

source code of polly/lib/External/isl/flow_cmp.c