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winder.h
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C/C++ Source or Header
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1999-01-02
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2KB
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61 lines
/* -*-C-*-
$Id: winder.h,v 9.26 1999/01/02 06:11:34 cph Exp $
Copyright (c) 1987, 1988, 1989, 1999 Massachusetts Institute of Technology
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or (at
your option) any later version.
This program is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
/* Header file for dynamic winder. */
#define STATE_SPACE_P(object) \
((VECTOR_P (object)) && \
((VECTOR_LENGTH (object)) == STATE_SPACE_LENGTH) && \
((MEMORY_REF ((object), STATE_SPACE_TAG)) == \
(Get_Fixed_Obj_Slot (State_Space_Tag))))
#define STATE_SPACE_TAG 1
#define STATE_SPACE_NEAREST_POINT 2
#define STATE_SPACE_LENGTH 2
#define STATE_POINT_P(object) \
((VECTOR_P (object)) && \
((VECTOR_LENGTH (object)) == STATE_POINT_LENGTH) && \
((MEMORY_REF ((object), STATE_POINT_TAG)) == \
(Get_Fixed_Obj_Slot (State_Point_Tag))))
#define STATE_POINT_TAG 1
#define STATE_POINT_BEFORE_THUNK 2
#define STATE_POINT_AFTER_THUNK 3
#define STATE_POINT_NEARER_POINT 4
#define STATE_POINT_DISTANCE_TO_ROOT 5
#define STATE_POINT_LENGTH 5
#ifdef butterfly
#define guarantee_state_point() \
{ \
if (Current_State_Point == SHARP_F) \
Current_State_Point = (Get_Fixed_Obj_Slot (State_Space_Root)); \
}
#else
#define guarantee_state_point()
#endif