implementation module gCons

/*
	Pieter Koopman 2015
	pieter@cs.ru.nl
	Radboud University, Nijmegen, The Netherlands
	ARDSL project
*/

import StdEnv, StdGeneric

generic consName a :: a -> String
consName{|CONS of {gcd_name}|} f x = gcd_name
consName{|UNIT|}   _ = "UNIT"
consName{|PAIR|}   f g (PAIR x y) = f x
consName{|EITHER|} f g (LEFT x)   = f x
consName{|EITHER|} f g (RIGHT y)  = g y
consName{|OBJECT|} f   (OBJECT x) = f x
consName{|RECORD|} f   (RECORD x) = f x
consName{|FIELD|}  f   (FIELD x)  = f x
consName{|Int|}        i = toString i
consName{|Bool|}       b = toString b
consName{|Char|}       c = toString c
consName{|(->)|}   f g x = g (x undef)

generic consIndex a :: a -> Int
consIndex{|CONS of {gcd_index}|} f x = gcd_index
consIndex{|UNIT|} _ = 0
consIndex{|PAIR|} f g (PAIR x y) = f x
consIndex{|EITHER|} f g (LEFT x) = f x
consIndex{|EITHER|} f g (RIGHT y) = g y
consIndex{|OBJECT|} f (OBJECT x) = f x
consIndex{|Int|} i = i
consIndex{|Bool|} b = if b 1 0
consIndex{|Char|} c = toInt c