📄 testdb.txt
字号:
1.grammer1 for left recursive eliminate
A->aB
A->Bb
B->Ac
B->d
2.a normal grammer
S->aH
H->aMd
H->d
M->Ab
M->z
A->aM
A->e
3.simple left recursive eliminate
S->Sa
S->b
4.
S->Sa
S->Sb
S->c
S->d
5
A->Ba
B->Ab
6
S->AB
S->bC
A->z
A->b
B->z
B->aD
C->AD
C->b
D->aS
D->c
7
E
E->E+T
E->T
T->T*F
T->F
F->i
F->(E)
i+i*i#
i*(i+i*i)#
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