! Copyright (C) 2009 Philipp Brüschweiler ! See http://factorcode.org/license.txt for BSD license. IN: infix.ast TUPLE: ast-number value ; TUPLE: ast-local name ; TUPLE: ast-array name index ; TUPLE: ast-slice name from to step ; TUPLE: ast-function name arguments ; TUPLE: ast-op left right op ; TUPLE: ast-negation term ;