flow_cmp.c
3.32 KB
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/*
* Copyright 2017 Sven Verdoolaege
*
* Use of this software is governed by the MIT license
*
* Written by Sven Verdoolaege.
*/
#include <stdlib.h>
#include <isl/arg.h>
#include <isl/options.h>
#include <isl/union_map.h>
#include <isl/stream.h>
struct options {
struct isl_options *isl;
char *flow1;
char *flow2;
};
ISL_ARGS_START(struct options, options_args)
ISL_ARG_CHILD(struct options, isl, "isl", &isl_options_args, "isl options")
ISL_ARG_ARG(struct options, flow1, "flow1", NULL)
ISL_ARG_ARG(struct options, flow2, "flow2", NULL)
ISL_ARGS_END
ISL_ARG_DEF(options, struct options, options_args)
static void die(const char *msg)
{
fprintf(stderr, "%s\n", msg);
exit(EXIT_FAILURE);
}
static FILE *open_or_die(const char *filename)
{
FILE *file;
file = fopen(filename, "r");
if (!file) {
fprintf(stderr, "Unable to open %s\n", filename);
exit(EXIT_FAILURE);
}
return file;
}
#undef BASE
#define BASE union_map
#include "read_in_string_templ.c"
/* Given two YAML descriptions of isl_union_flow objects, check whether
* they are equivalent.
* Return EXIT_SUCCESS if they are and EXIT_FAILURE if they are not
* or if anything else went wrong.
*
* The descriptions are checked field by field, meaning that the fields
* are expected to appear in the same order in both inputs.
*/
int main(int argc, char **argv)
{
int more;
isl_ctx *ctx;
struct options *options;
FILE *input1, *input2;
isl_stream *s1, *s2;
options = options_new_with_defaults();
if (!options)
return EXIT_FAILURE;
ctx = isl_ctx_alloc_with_options(&options_args, options);
argc = options_parse(options, argc, argv, ISL_ARG_ALL);
input1 = open_or_die(options->flow1);
input2 = open_or_die(options->flow2);
s1 = isl_stream_new_file(ctx, input1);
s2 = isl_stream_new_file(ctx, input2);
if (isl_stream_yaml_read_start_mapping(s1))
isl_die(ctx, isl_error_unknown, "arg1 not a YAML mapping",
return EXIT_FAILURE);
if (isl_stream_yaml_read_start_mapping(s2))
isl_die(ctx, isl_error_unknown, "arg2 not a YAML mapping",
return EXIT_FAILURE);
while ((more = isl_stream_yaml_next(s1)) > 0) {
int more2;
isl_bool equal;
isl_union_map *umap1, *umap2;
more2 = isl_stream_yaml_next(s2);
if (more2 < 0)
return EXIT_FAILURE;
if (!more2)
isl_die(ctx, isl_error_unknown, "arg2 shorter",
return EXIT_FAILURE);
if (isl_stream_eat(s1, ISL_TOKEN_IDENT) < 0)
return EXIT_FAILURE;
if (isl_stream_eat(s2, ISL_TOKEN_IDENT) < 0)
return EXIT_FAILURE;
more = isl_stream_yaml_next(s1);
more2 = isl_stream_yaml_next(s2);
if (more < 0 || more2 < 0)
return EXIT_FAILURE;
if (!more || !more2)
isl_die(ctx, isl_error_unknown, "missing value",
return EXIT_FAILURE);
umap1 = read_union_map(s1);
umap2 = read_union_map(s2);
equal = isl_union_map_is_equal(umap1, umap2);
isl_union_map_free(umap1);
isl_union_map_free(umap2);
if (equal < 0)
return EXIT_FAILURE;
if (!equal)
die("field not equal");
}
if (more < 0)
return EXIT_FAILURE;
if (isl_stream_yaml_read_end_mapping(s1) < 0) {
isl_stream_error(s1, NULL, "unexpected extra elements");
return EXIT_FAILURE;
}
if (isl_stream_yaml_read_end_mapping(s2) < 0) {
isl_stream_error(s2, NULL, "unexpected extra elements");
return EXIT_FAILURE;
}
isl_stream_free(s1);
isl_stream_free(s2);
fclose(input1);
fclose(input2);
isl_ctx_free(ctx);
return EXIT_SUCCESS;
}