scc

commit dd21e6a1c3601821e00992066fd65b5fe24c0e3f
parent e353903fa9ba4bbd405ca46c6ac651c8c8fb3cc2
Author: Quentin Rameau <quinq@fifth.space>
Date:   Fri,  3 Jun 2016 10:55:50 +0200

[cc2] add support for reading from filename argument

Diffstat:
M
cc2/main.c
 | 
10
+++++++++-

1 file changed, 9 insertions(+), 1 deletion(-)
diff --git a/cc2/main.c b/cc2/main.c
@@ -3,6 +3,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 
+#include "../inc/cc.h"
 #include "arch.h"
 #include "cc2.h"
 #include "error.h"
@@ -33,8 +34,15 @@ repeat:
 }
 
 int
-main(void)
+main(int argc, char *argv[])
 {
+	if (argc > 2)
+		die("usage: cc2 [irfile]");
+
+	if (argv[1]) {
+		if (!freopen(argv[1], "r", stdin))
+			die("cc2: cannot open %s", argv[1]);
+	}
 
 	while (moreinput()) {
 		parse();