testcase {
input "aabb";
- output "xbx:{abab:{a b}}";
+ output "xbx:{{a} abab:{a b} {b}}";
- x ::= ~[] => ()
+ x ::= ~[]
s ::= x* b x* => xbx
b ::= [ab][ab] => abab
&~ ( "aa" | "bb" )
s ::= [a-z] [a-z] [a-z] " "* => s
}
+
+testcase {
+
+ input "a+2";
+ output "";
+
+ s ::= Expr
+ Expr ::= [0-9]++
+ | Plus:: left:Expra "+" right:Expr
+ Expra ::= Foo:: ("a" | "b")
+
+}