scc

commit ad6ddff27bb2d95a73341bfa53ca5e3ed070162b
parent 79f87ebac2588c8a6cc9e4304f61b1259a7355eb
Author: Roberto E. Vargas Caballero <k0ga@shike2.com>
Date:   Tue, 15 Apr 2014 14:43:19 +0200

Check against zero in ternary code

All expressions must be evaluated before of taking
decisions based in then.

Diffstat:
M
expr.c
 | 
5
+++--

1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/expr.c b/expr.c
@@ -637,9 +637,10 @@ ternary(void)
 	while (accept('?')) {
 		ifyes = expr();
 		expect(':');
-		ifno = expr();
+		ifno = ternary();
 		/* TODO: check the types of ifno and ifyes */
-		cond = ternarycode(cond, ifyes, ifno);
+		cond = ternarycode(compare(ONE, cond, constcode(zero)),
+	                           ifyes, ifno);
 	}
 	return cond;
 }