/* * Copyright (c) 1982 Regents of the University of California. * All rights reserved. The Berkeley software License Agreement * specifies the terms and conditions for redistribution. * * @(#)tree.rep 5.2 (Berkeley) 6/7/85 */ /* * representation of a parse tree * * This should have a union in it, but unions just don't * seem to work right in C. I don't want to have to specify an * extra level of referencing, e.g. a.b.c, because there's really * only one level there. */ struct node { OP op; SYM *nodetype; NODE *left, *right; SYM *nameval; long lconval; double fconval; char *sconval; NODE *what, *where, *cond; };