LR(1)

LR(0)

    A -> aBdFr

    [A -> .aBdFr]
    [A -> a.BdFr]
    [A -> aB.dFr]
    [A -> aBd.Fr]
    [A -> aBdF.r]
    [A -> aBdFr.]

    A -> eps

    [A -> .]

S' -> S
S -> apS | ap

H0= closure({[S'->.S]}) =
        { [S' -> .S],
          [S -> .apS], [S -> .ap]
        }
H1= read(H0, S) = [S'->S.]
H2= read(H0, a) = [S -> a.pS], [S -> a.p]
H3= read(H2, p) = [S -> ap.S], [S -> ap.]
                  [S -> .apS], [S -> .ap]
H4= read(H3, S) = [S -> apS.]
H2= read(H3, a) = [S -> a.pS], [S -> a.p]

léptetés  (step)
redukálás (reduce)

    action          ---goto-----
                    S   a   p
0   léptet          1   2
1   redukál(S'->S)
2   léptet                  3
3   léptet,r(S->ap) 4   2
4   r(S->apS)