/************************************************************
 * Copyright (c) 1994 by Silicon Graphics Computer Systems, Inc.
 *
 * Permission to use, copy, modify, and distribute this
 * software and its documentation for any purpose and without
 * fee is hereby granted, provided that the above copyright
 * notice appear in all copies and that both that copyright
 * notice and this permission notice appear in supporting
 * documentation, and that the name of Silicon Graphics not be
 * used in advertising or publicity pertaining to distribution
 * of the software without specific prior written permission.
 * Silicon Graphics makes no representation about the suitability
 * of this software for any purpose. It is provided "as is"
 * without any express or implied warranty.
 *
 * SILICON GRAPHICS DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS
 * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
 * AND FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT SHALL SILICON
 * GRAPHICS BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL
 * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
 * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
 * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION  WITH
 * THE USE OR PERFORMANCE OF THIS SOFTWARE.
 *
 ********************************************************/

#ifndef XKBCOMP_VMOD_H
#define XKBCOMP_VMOD_H

typedef struct _VModInfo {
    xkb_mod_mask_t defined;
    xkb_mod_mask_t available;
} VModInfo;

void
InitVModInfo(VModInfo *info, struct xkb_keymap *keymap);

void
ClearVModInfo(VModInfo *info);

bool
HandleVModDef(VModDef *stmt, struct xkb_keymap *keymap,
              enum merge_mode mergeMode, VModInfo *info);

bool
ResolveVirtualModifier(ExprDef *def, struct xkb_keymap *keymap,
                       xkb_mod_index_t *ndx_rtrn, VModInfo *info);

#endif