scc

commit 31704f8d6cf7fe145c2e7c0109f46bf9a175bd21
parent da310fbe77b3276fa9554b91c3e28dd53399fe22
Author: Roberto E. Vargas Caballero <k0ga@shike2.com>
Date:   Tue, 11 Aug 2015 16:11:26 +0200

Fix labelled statements

After a label was allowed only an expression, but the C grammar
allows any statement.

Diffstat:
M
cc1/stmt.c
 | 
14
++++++--------

1 file changed, 6 insertions(+), 8 deletions(-)
diff --git a/cc1/stmt.c b/cc1/stmt.c
@@ -43,16 +43,14 @@ label(void)
 static void
 stmtexp(Symbol *lbreak, Symbol *lcont, Caselist *lswitch)
 {
-	Node *np;
-
-	if (ahead() == ':')
+	if (accept(';'))
+		return;
+	if (ahead() == ':') {
 		label();
-
-	if (yytoken != ';') {
-		np = expr();
-		emit(OEXPR, np);
+		stmt(lbreak, lcont, lswitch);
+		return;
 	}
-
+	emit(OEXPR, expr());
 	expect(';');
 }