LEX-YACC

Lex Programs

• Implement finite automata: Odd number of a
• Line numbering
• Comment removal
• Replace multiple white spaces
• Count of a word
• Remove word
• Count of lines,words and characters
• Select lines starting with m
• Count of lines ending with com
• Count of vowels
• Count of positive numbers, negative numbers and fractions
• Base conversion: Convert decimal numbers to hexadecimal
• Select Lines Ending with "com"
• Count of words starting with 'a'
• Convert lowercase to uppercase & reverse

Yacc Programs

• Expression Evaluation 1
• Expression Evaluation 2
• Desk Calculator with error recovery
• Postfix Evaluation
• Postfix Evaluation 2
• Infix expression to postfix expression
• Postfix expression to infix expression
• Parser
  • If then
  • If then else
  • For
  • While
  • Do while
  • Switch
  • Function definition
  • SQL Query - Select
• Intermediate Code Generator
  • Arithmetic expression
  • Arithmetic expression 2
  • If then else
  • For
  • While