Parser-generator lab

Fix and extend an existing implementation of an interpreter that uses a parser-generator.

Goals

The main goals of this lab are to:

1. Practice using parser generators.
2. Practice extending a language implementation, to add new features.
3. Become familiar with running Haskell programs that take command-line arguments.

Resources

• Slides from class: Explains the structure of the lexer- and parser-generator files.
• Alex documentation: Documentation for the lexer-generator tool.
• Happy documentation: Documentation for the parser-generator tool.