%token IF THEN ELSE EXPR OTHERSTMT
%%
stmt:
IF expr THEN stmt
| IF expr THEN stmt ELSE stmt
| OTHERSTMT
;
expr:
EXPR
;
%%
%token IF THEN ELSE EXPR OTHERSTMT
%%
stmt:
IF expr THEN stmt
| IF expr THEN stmt ELSE stmt
| OTHERSTMT
;
expr:
EXPR
;
%%