1 files changed, 15 insertions, 4 deletions
diff --git a/simulator.c b/simulator.c
index 4f99c4f..bbea893 100644
--- a/simulator.c
+++ b/simulator.c
@@ -7,13 +7,24 @@
 #include "parser.h"
 
 int main(int argc, char **argv) {
-	(void)argc;
-	(void)argv;
+	FILE *fd = NULL;
+
+	if (argc != 2) {
+		fprintf(stderr, "Syntax: %s file.hence\n", argv[0]);
+		return 1;
+	}
 
 //	gate_init();
 
-	struct token *tok = lex_file(stdin);
-	int p = parse(tok);
+	fd = fopen(argv[1], "r");
+	
+	if (!fd) {
+		perror("fopen");
+		return 1;
+	}
+
+	struct token *tok = lex_file(fd);
+	int p = parse(fd, tok);
 
 //	gate_set_input("a", LOGIC_LOW);
 //	gate_set_input("b", LOGIC_LOW);