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Assignment No. 02
Semester: Fall 2014
Compiler Construction CS606

 

Total Marks: 20

 

Due Date: 08/12/2014

 

Objective:

 

To learn and understand basic concepts of Parse Trees, Top Down Parsers, Predictive

Parsing, First and Follow Sets in building a Lexical analyzer.

Instructions:

It should be clear that your assignment will not get any credit (zero marks will be awarded) if:

 

  • The assignment is submitted after due date.
  • The submitted assignment does not open or file corrupt.
  • The assignment is copied (from other student or copy from handouts or internet).
  • Student name and ID are not mentioned in the assignment file.
  • It is in some format other than .doc or .docx(MS Word Document).

For any query about the assignment, contact at cs606@vu.edu.pk

Question No 1:                                                                                                                       Marks 10

Consider the following grammar; you are required to write left most derivation of the string “aebb”.

           

Question No 2:                                                                                                                        Marks 10             

Consider the following grammar for arithmetic expressions:

 

A à id X

X àA Y |ε

Y à- X | + X | / X | * X

 

Show the first set for the non-terminals X and Y in the grammar.

 

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This assignment coverz 14 Lecturez. 

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CS606 QNo complete Solution....  See the given Link ....

http://www.seas.gwu.edu/~hchoi/teaching/cs160d/exam1Sol(2008).pdf

first set kesay nikalty hain?

given link me jo solution hai is k just (a) part  he krna hai???

First question's solution 

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what's about 2nd question..any idea??

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