/** @license 2023 Neil Edelman, distributed under the terms of the
 [MIT License](https://opensource.org/licenses/MIT).

 Scan source files for meanings.

 @std C99 */

#include "journal.h"
#include "scan.h"
#include <stdio.h>
#include <errno.h>
#include <assert.h>

int main(void) {
	const char *intent = "start";
	struct journal jrnl = {0};
	struct scan scn = {0};
	errno = 0;

	intent = "../journal";
	jrnl = journal(intent);
	fprintf(stderr, "Journal: %s.\n", journal_to_string(&jrnl));
	if(errno) goto catch;

	intent = "parse";
	scn = scan(&jrnl);
	//fprintf(stderr, "Scan: %s.\n", scan_to_string(&scrs));
	// <- Not sure what that would do.
	if(errno) goto catch;

	intent = "derived/score.gnu";
	if(!freopen(intent, "w", stdout)) goto catch;
	scan_score_graph(&scn);

	intent = "derived/glider.gnu";
	if(!freopen(intent, "w", stdout)) goto catch;
	scan_glider_graph(&scn);

	intent = "derived/flight.gnu";
	if(!freopen(intent, "w", stdout)) goto catch;
	scan_flight_graph(&scn);

	intent = 0;
	goto finally;
catch:
	perror(intent);
finally:
	scan_(&scn);
	journal_(&jrnl);
	return intent ? EXIT_FAILURE : EXIT_SUCCESS;
}