if_node.py

#!/usr/bin/python
# -*- coding: utf-8 -*-


class if_node():
	node_name = "if"
	node_doc = "conditional evaluation"

	def __init__():
		
	def run():
		if run(self.expression):
			return run(self.then)
		else:
			if exists(self.else_):
				return run(self.else_)
			else:
				return None


code = if_node()
code.then = 

class function_declaration_node():
	node_name = "function declaration"

	def __init__():
		
	def draw():
		dprint [["to", self.