110 lines
2.7 KiB
C
110 lines
2.7 KiB
C
/* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */
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/* All Rights Reserved */
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/* THIS IS UNPUBLISHED PROPRIETARY SOURCE CODE OF AT&T */
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/* The copyright notice above does not evidence any */
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/* actual or intended publication of such source code. */
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/* #ident "@(#)kbdload:symtab.h 1.1" */
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#ident "$Revision: 1.1 $"
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/*
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* symtab.h - symbol table structure & flags
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*/
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#define UNDEF 0 /* for undefined symbols... */
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#define S_FUNC 1 /* operator */
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#define S_PARM 2 /* parameter (string) */
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#define S_NAME 3 /* name of a binding set */
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#define S_SWTCH 4 /* is a value */
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/*
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* S_FUNC type nodes are parents. S_PARAM type nodes are children.
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* many children may point to the same parent.
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*/
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struct sym {
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char *s_name; /* pointer to name of item */
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char *s_value; /* symbol value */
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char s_type; /* symbol type (one of S_?) */
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struct sym *s_next; /* ptr to next in chain */
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};
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struct sym *s_find(), *s_create(), *s_lookup(), *s_value();
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char *strsave();
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#define N_CHILD 0 /* child node ptr */
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#define N_RESULT 0x01 /* result pointer */
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#define N_EMPTY 0x02 /* temp "filled" node */
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struct node {
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unsigned char n_val;
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char n_flag; /* N_CHILD / N_RESULT / N_EMPTY */
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unsigned short n_num; /* node number */
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struct node *n_next;
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union {
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struct node *n_child;
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char *n_result;
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} n_what;
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unsigned short n_node; /* number of child node or ptr to text */
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int n_lnum; /* during initial tree, N_RESULT line number */
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};
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#define E_DUP (-2)
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#define E_ERROR (-1)
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/*
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* For the "file" command, use following lines in /etc/magic:
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0 string kbd!map kbd map file
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>8 byte >0 Ver %d:
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>10 short >0 with %d table(s)
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*/
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#define KBD_MAGIC "kbd!map"
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#define KBD_HOFF 8 /* offset in h_magic[] of version number */
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/*
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* Version stamps: The 3B2 and 386 byte order are incompatible, therefore
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* they must have different version numbers to insure that tables compiled
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* for one don't get loaded on the other. The loader will reject them
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* right away. Don't define another unless it really won't work for
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* your machine.
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*/
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#ifdef u3b2
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# define KBD_VER 1 /* 3B2 version */
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#else
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# ifdef i386
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# define KBD_VER 2 /* 386 version */
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# else
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# define KBD_VER 3 /* other version */
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# endif
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#endif
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/*
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* kbd_map only used by the compiler.
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*/
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struct kbd_map {
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char *mapname;
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struct node *maproot;
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unsigned char *maptext; /* the text */
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struct cornode *mapnodes; /* the nodes */
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struct kbd_tab *maptab;
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unsigned char *mapone;
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unsigned char *maperr; /* error string */
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unsigned char map_min; /* min & max values */
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unsigned char map_max;
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};
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/*
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* For linkage maps (mapname is (-1), maptext points to string.
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* For external (ALP) maps, it's (-2), maptext points to string.
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*/
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#define LINKAGE ((char *) -1)
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#define EXTERNAL ((char *) -2)
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