GitHub - rcebulko/LisPy: This was a little project written one night when a friend posed me the challenge of writing a Lisp interpreter in Python. Having no experience using Python for anything but Hello World, I thought it would be a fun project. It was.

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This was a little project written one night when a friend posed me the challenge of writing a Lisp interpreter in Python. Having no experience using Python for anything but Hello World, I thought it would be a fun project. It was.

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Name		Name	Last commit message	Last commit date
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.gitignore		.gitignore
Readme.txt		Readme.txt
ast.py		ast.py
core.py		core.py
env.py		env.py
interpreter.py		interpreter.py
lisp_exceptions.py		lisp_exceptions.py
lisp_parser.py		lisp_parser.py
repl.py		repl.py
val.py		val.py

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Lisp REPL and Interpreter
Author: Ryan Cebulko
Created: 1/2015

This was a little project written one night when a friend posed me the
challenge of writing a Lisp interpreter in Python. Having no experience
using Python for anything but Hello World, I thought it would be a fun
project. It was.

Data types:
    -integer
    -float
    -symbol
    -list/cons
    -boolean
    -lambda function
Current Features:
    -local bindings with 'let'
    -boolean operators
    -arithmetic operators
    -function currying
    -if branches
    -cond blocks
Missing Features:
    -global definitions
    -recursive bindings without using a Y-combinator
    -lazy evaluation
    -arbitrary number of arguments for functions like + and or
    -tests for the parser (I was tired and lazy writing that bit)
    -parser error handling (same reason as above)
    -(help) and (exit) functions