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#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include "precedent.h"
#include "hashtable.h"
#include "parse.h"
#include "eval.h"

int main(int argc, char** argv) {
	if (argc > 1) {
		if (strcmp("--version", argv[1]) == 0) {
			printf("precedent, version 0.1\n");
			printf("Copyright 2023 Kai Stevenson\n");
			printf("This software was licensed under the MIT license;\n");
			printf("for more information, see the license file.\n");
			return 0;
		}
		else if (strcmp("--help", argv[1]) == 0) {
			printf("usage: precedent [--version] [--help] <file>\n");
			return 0;
		}
	}
	sym_t* finalSymbol = parse_symbol_final(read_file(argv[1]));
	printf("drawing program:\n");
	write_symbol_visual(finalSymbol, 0);
	printf("\nexecuting program:\n");
	init_eval();
	eval(finalSymbol);
	return 0;
}
char* read_file(char* path) {
	FILE* file = fopen(path, "r");
	fseek(file, 0, SEEK_END);
	unsigned long int length = ftell(file);
	fseek(file, 0, SEEK_SET);
	char* out = malloc((length + 1) * sizeof(char));
	fread(out, length, 1, file);
	fclose(file);
	out[length] = '\0';
	return out;
}