Difference between revisions of "Fall 2021: System Programming Lab"

From MKWiki
Jump to navigation Jump to search
Line 51: Line 51:
 
|}
 
|}
  
== '''Lab 4:''' ( week of 06<sup>th</sup> &  13<sup>th</sup>September 2021 ) ==
+
== '''Lab 4 and Lab 5:''' ( week of 06<sup>th</sup> &  13<sup>th</sup>September 2021 ) ==
 
{| class="wikitable" style="text-align: left; width: 100%";  
 
{| class="wikitable" style="text-align: left; width: 100%";  
 
|-
 
|-
Line 65: Line 65:
 
| 2 || Write a Lex program to count the number of words ,characters ,blank spaces and lines in c file. || Lab Exercise No. 6 ||  
 
| 2 || Write a Lex program to count the number of words ,characters ,blank spaces and lines in c file. || Lab Exercise No. 6 ||  
 
|}
 
|}
 
  
 
== '''Lab 5:''' ( week of 20<sup>th</sup> September 2021 ) ==
 
== '''Lab 5:''' ( week of 20<sup>th</sup> September 2021 ) ==

Revision as of 01:07, 28 September 2021

Resources

  • An introductory tutorial on Lex.
  • LEX & YACC TUTORIAL by Tom Niemann [1]
  • Lex on Windows [2]

Lab 1: Getting Started ( week of 02nd August 2021 )

Q. NO. Program Lab Exercise No. Remarks
1 Write a Lex program to count the number of lines and characters in the input file. Lab Exercise No. 1
2 Write a Lex Program to count number of words. Practice Set No. 1(1)
3 Write a Lex Program to count the number of lines, tabs and spaces used in the input. Practice Set No. 1(2)
4 Write a Lex Program to count the number of lines, words, small letters, capital letters, digits, special characters, and finally all characters. Practice Set No. 1(3)

Lab 2: ( week of 09th August 2021 )

Q. NO. Program Lab Exercise No. Remarks
1 Write a Lex program that implements the Caesar cipher. It replaces every letter with the one three letters after(right shift) in an alphabetical order, wrapping around at Z e.g a is replaced by d ,b by e ,and so on z by c. Lab Exercise No. 2 Read about Caesar Cipher from [3]

Lab 3: ( week of 23rd August 2021 )

Q. NO. Program Lab Exercise No. Remarks
1 Write a Lex program that finds the longest word (defined as a contiguous string of upper and lower case letters) in the input. Lab Exercise No. 3
2 Write a Lex program that distinguishes keywords, integers, floats, identifiers, operators, and comments in any simple programming language. Lab Exercise No. 4

Lab 4 and Lab 5: ( week of 06th & 13thSeptember 2021 )

Q. NO. Program Lab Exercise No. Remarks
1 Write a Lex program to count the number of identifiers in a c file. Lab Exercise No. 5
2 Write a Lex program to count the number of words ,characters ,blank spaces and lines in c file. Lab Exercise No. 6

Lab 5: ( week of 20th September 2021 )

Q. NO. Program Lab Exercise No. Remarks
1 Write a Lex specification program that generates a C program which takes a string “abcd” and prints the following output:

abcd
abc
ab
a

Lab Exercise No. 7
2 Write a Lex program to recognize a valid arithmetic expression. Lab Exercise No. 8