/*
$ eyapp -C shiftreduceconflict_fixed.eyp 
$ ./shiftreduceconflict_fixed.pm -t -i --dot t.png -m 1 -c 'if e then if e then o else o'

IFTHEN(
  TERMINAL[e],
  IFTHENELSE(
    TERMINAL[e],
    TERMINAL[o],
    TERMINAL[o]
  )
)
Also have a look at the t.png output file
*/
%syntactic token IF =/(?i:if)/ 
%syntactic token ELSE =/(?i:else)/ 
%syntactic token THEN =/(?i:then)/ 
%token EXPR =/(?i:(e))/ 
%token OTHERSTMT =/(?i:(o))/ 
%left THEN 
%left ELSE 
%tree bypass

%%

stmt:
      %name IFTHEN
      IF expr THEN stmt
    | %name IFTHENELSE
      IF expr THEN stmt ELSE stmt
    | OTHERSTMT 
;
expr:
      EXPR 
;

%%