%%
S:
('a' S ) 'b' { shift; [ @_ ] }
| 'c'
;
%%
# eyapp -TC Parenthesis.eyp
# ./Parenthesis.pm -t -c 'acb'
%%
S:
('a' S ) 'b' { shift; [ @_ ] }
| 'c'
;
%%
# eyapp -TC Parenthesis.eyp
# ./Parenthesis.pm -t -c 'acb'