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Annotation of 42BSD/ucb/pascal/pdx/tree/tree.rep, revision 1.1

1.1     ! root        1: /* Copyright (c) 1982 Regents of the University of California */
        !             2: 
        !             3: /* static char sccsid[] = "@(#)tree.rep 1.2 1/18/82"; */
        !             4: 
        !             5: /*
        !             6:  * representation of a parse tree
        !             7:  *
        !             8:  * This should have a union in it, but unions just don't
        !             9:  * seem to work right in C.  I don't want to have to specify an
        !            10:  * extra level of referencing, e.g. a.b.c, because there's really
        !            11:  * only one level there.
        !            12:  */
        !            13: 
        !            14: struct node {
        !            15:        OP op;
        !            16:        SYM *nodetype;
        !            17:        NODE *left, *right;
        !            18:        SYM *nameval;
        !            19:        long lconval;
        !            20:        double fconval;
        !            21:        char *sconval;
        !            22:        NODE *what, *where, *cond;
        !            23: };

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