Aptitude | GATE CS 1998 | Question 79
[5 Marks question]
Answer the following:
a. An identifier in a programming language consists of upto six letters and digits of which the first character must be a letter. Derive a regular expression for the identifier.
b. Build an LL(1) parsing table for the language defined by the LL(1) grammar with productions
Program → begin d semi X end X → d semi X | s Y Y → semi s Y | ε
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