The Yapps Parser Generator System Version 1.1

The Yapps Parser Generator System

http://theory.stanford.edu/~amitp/Yapps/

Version 1.1

Amit J. Patel

http://www-cs-students.stanford.edu/~amitp/

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• 1. Introduction
• 2. Examples
  • 2.1 Introduction to Grammars
  • 2.2 Lisp Expressions
    • Defining the Grammar
    • Running Yapps
  • 2.3 Calculator
• 3. Grammars
  • 3.1 Left Factoring
  • 3.2 Left Recursion
  • 3.3 Ambiguous Grammars
• 4. Customization
  • 4.1 Customizing Parsers
  • 4.2 Customizing Scanners
• 5. Parser Mechanics
  • 5.1 Parser Objects
  • 5.2 Context Sensitive Scanner
  • 5.3 Internal Variables
  • 5.4 Pre- and Post-Parser Code
  • 5.5 Python 1.5 Regular Expressions
  • 5.6 Optimizations Performed by Yapps
• 6. Future Extensions
• 7. Grammar for Parsers
• 8. Calculator Example
• 9. References