List of Programs as Assignments:

1. Lab Assignment No: 1 Objective: To Understand the concept of tokens. Q1. C program to count white spaces, numbers, words in a file.

2. Lab Assignment No: 2 Objective: To Understand the process of identification of tokens. Q1. C program to design Finite automata to identify different tokens(identifiers, constants, operators, etc.).

3. Lab Assignment No: 3 Objective: To have a brief Understanding to lex programming. Q1. Lex Program to Count number in given string. Q2. Identify different patterns like aa, ab, not containing a, etc. in given string .

4. Lab Assignment No: 4 Objective: To Understand lex programming tool. Q1. Lex program to Identify all tokens of C programs.

5. Lab Assignment No: 5 Objective: To Understand and Implement structure of any programming language. Q1.Design and Code individual programming code with all possible tokens in programming language.

6. Lab Assignment No: 6 Objective: To Understand lex programming tool in depth. Q1. Starting and ending with Q2. # divisible by 2 or divisble by 3. Q3. RHS. Q4. Output code after removing white spaces and comment.

7. Lab Assignment No: 7 Objective: To Understand and Implement Parser using yacc. Q1. Build parsers using yacc for L(G)={ | >= 1} over {a,b}

8. Lab Assignment No: 8 Objective: To Understand and Implement parser for different grammars. Q1.Build Parser using yacc for L(G) where rule set of G is { S ->aSb, S->bSa, S->c} over {a,b,c}.

9. Lab Assignment No: 9 Objective: To Understand and Implement parser coding. Q1. Build parser using yacc to convert the infix expression to postfix expression.

10. Lab Assignment No: 10 Objective: To Understand and Implement parser coding. Q1. Build a calculator in yacc which takes expression in postfix notation. Q2. Build parsers using yacc to convert the prefix expression into the postfix expression.

11. Lab Assignment No: 11 Objective: To Understand and Implement parser for validation and operations. Q1. Build parsers using yacc to validate the C statements. E.g int a,b,c;(valid) Q2. Build calculator in yacc.

Important

To run any lex File ~ flex prog.l
~ gcc lex.yy.c
~ ./a.out

To run any yacc File ~ lex prog.l ~ yacc -d prog.y ~ gcc -o prog y.tab.c lex.yy.c ~ ./prog