November 2012
Intermediate to advanced
381 pages
13h 26m
English
book
Introduction to Compiler Construction in a Java World
by Bill Campbell, Swami Iyer, Bahar Akbal-Delibas
Content preview from Introduction to Compiler Construction in a Java World
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44 An Introduction to Compiler Construction in a Java World
• We then put them together using rule 3 to produce an NFA recognizing a|b.
• The NFA recognizing (a|b) is the same as that recognizing a|b, by rule 6. An NFA
recognizing the second instance of a is simple enough, by rule 1 again.
• The NFA recognizing a∗ can be constructed from that recognizing a, by applying rule
4.
• We then apply rule 2 to construct an NFA recognizing the concatenation (a|b)a∗.
Lexical Analysis 45
• An NFA recognizing the second instance of b is simple enough, by rule 1
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