The Yapps Parser Generator System Version 1.1

The Yapps Parser Generator Systemhttp://theory.stanford.edu/~amitp/Yapps/Version 1.1 Amit J. Patelhttp://www-cs-students.stanford.edu/~amitp/

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