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Annotation of 43BSD/ucb/pascal/pdx/tree/tree.rep, revision 1.1.1.1

1.1       root        1: /*
                      2:  * Copyright (c) 1982 Regents of the University of California.
                      3:  * All rights reserved.  The Berkeley software License Agreement
                      4:  * specifies the terms and conditions for redistribution.
                      5:  *
                      6:  *     @(#)tree.rep    5.2 (Berkeley) 6/7/85
                      7:  */
                      8: 
                      9: /*
                     10:  * representation of a parse tree
                     11:  *
                     12:  * This should have a union in it, but unions just don't
                     13:  * seem to work right in C.  I don't want to have to specify an
                     14:  * extra level of referencing, e.g. a.b.c, because there's really
                     15:  * only one level there.
                     16:  */
                     17: 
                     18: struct node {
                     19:        OP op;
                     20:        SYM *nodetype;
                     21:        NODE *left, *right;
                     22:        SYM *nameval;
                     23:        long lconval;
                     24:        double fconval;
                     25:        char *sconval;
                     26:        NODE *what, *where, *cond;
                     27: };

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