from typing import *
from agast import *

def typecheck(program: List[Decl]) -> None:
	i = 0
	def gen(name: str = "") -> str:
		return f"__ag{i:03}{name}"

	# collect a list of name -> iface declarations
	ifaces: Dict[str, Decl] = dict(
		map(lambda c: (c.name, c),
		filter(lambda c: isinstance(c, Iface),
			program)))
	print(ifaces)

	for node in filter(lambda c: isinstance(c, Node), program):
		print(node)