Alex Aiken

Compilers

NFA to DFA

Alex Aiken

NFA to DFA

Regular expressions

NFA

DFA

Lexical Specification

Table-driven Implementation of DFA

Alex Aiken

NFA to DFA

1

0

1

A B C

D

E

F G H I J

Alex Aiken

NFA to DFA

• An NFA may be in many states at any time

• How many different states?

Alex Aiken

NFA to DFA

Alex Aiken

NFA to DFA

1

0 1

A B C

D

E

F G H I J

FGHIABCD

EJGHIABCD

ABCDHI 0

1

0

1 0 1

Template block2x2-1 Ordering of buttons is: 13 24

NFA to DFA

1

0

0

1

1

0

0

1

1

0

0 0

1

0

0

1

0

Choose the DFA that represents the same language as the given NFA