usr/src/usr.bin/pascal/pdx/sym/sym.rep

/*
 * Copyright (c) 1982 Regents of the University of California.
 * All rights reserved.  The Berkeley software License Agreement
 * specifies the terms and conditions for redistribution.
 *
 *      @(#)sym.rep     5.2 (Berkeley) %G%
 */

/*
 * This file contains the definition of the representation of the SYM type.
 */

struct sym {
        char *symbol;
        char class;
        char blkno;
        SYM *type;
        SYM *chain;
        union {
                int offset;             /* variable address */
                long iconval;           /* integer constant value */
                double fconval;         /* floating constant value */
                struct {                /* range bounds */
                        long lower;
                        long upper;
                } rangev;
                struct {                /* address of function value, code */
                        int offset;
                        ADDRESS codeloc;
                } funcv;
                struct {                /* variant record info */
                        int size;
                        SYM *vtorec;
                        SYM *vtag;
                } varnt;
                struct {                /* information for reserved words */
                        int toknum;
                        int tokval;
                } token;
        } symvalue;
        SYM *func;
        SYM *next_sym;
};