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    Length: 4867 (0x1303)
    Types: TextFile
    Names: »fixobj.h«

└─⟦a0efdde77⟧ Bits:30001252 EUUGD11 Tape, 1987 Spring Conference Helsinki
    └─⟦this⟧ »EUUGD11/gnu-31mar87/scheme/microcode/fixobj.h« 

TextFile

/* Emacs, -*-C-*-an't you guess? */

/****************************************************************
*                                                               *
*                         Copyright (c) 1986                    *
*               Massachusetts Institute of Technology           *
*                                                               *
* This material was developed by the Scheme project at the      *
* Massachusetts Institute of Technology, Department of          *
* Electrical Engineering and Computer Science.  Permission to   *
* copy this software, to redistribute it, and to use it for any *
* purpose is granted, subject to the following restrictions and *
* understandings.                                               *
*                                                               *
* 1. Any copy made of this software must include this copyright *
* notice in full.                                               *
*                                                               *
* 2. Users of this software agree to make their best efforts (a)*
* to return to the MIT Scheme project any improvements or       *
* extensions that they make, so that these may be included in   *
* future releases; and (b) to inform MIT of noteworthy uses of  *
* this software.                                                *
*                                                               *
* 3.  All materials developed as a consequence of the use of    *
* this software shall duly acknowledge such use, in accordance  *
* with the usual standards of acknowledging credit in academic  *
* research.                                                     *
*                                                               *
* 4. MIT has made no warrantee or representation that the       *
* operation of this software will be error-free, and MIT is     *
* under no obligation to provide any services, by way of        *
* maintenance, update, or otherwise.                            *
*                                                               *
* 5.  In conjunction with products arising from the use of this *
* material, there shall be no use of the name of the            *
* Massachusetts Institute of Technology nor of any adaptation   *
* thereof in any advertising, promotional, or sales literature  *
* without prior written consent from MIT in each case.          *
*                                                               *
****************************************************************/

/* File: FIXOBJ.H
 *
 * Declarations of user offsets into the Fixed Objects Vector.
 * This should correspond to the file UTABMD.SCM
 */
\f


#ifndef Get_Fixed_Obj_Slot
extern Pointer Fixed_Objects;
#define Get_Fixed_Obj_Slot(N)	Fast_User_Vector_Ref(Fixed_Objects, N)
#define Set_Fixed_Obj_Slot(N,S)	Fast_User_Vector_Set(Fixed_Objects, N, S)
#define Update_FObj_Slot(N, S)  Set_Fixed_Obj_Slot(N, S)
#define Declare_Fixed_Objects()	Pointer Fixed_Objects;
#define Valid_Fixed_Obj_Vector()				\
  (Type_Code(Fixed_Objects) == TC_VECTOR)
#define Save_Fixed_Obj(Save_FO)					\
  Save_FO = Fixed_Objects;					\
  Fixed_Objects = NIL;
#define Restore_Fixed_Obj(Save_FO)				\
  Fixed_Objects = Save_FO
#endif

#define Non_Object		0x00	/* Value for UNBOUND variables */
#define System_Interrupt_Vector	0x01	/* Handlers for interrups */
#define System_Error_Vector	0x02	/* Handlers for errors */
#define OBArray			0x03	/* Array for interning symbols */
#define Types_Vector		0x04	/* Type number -> Name map */
#define Returns_Vector		0x05	/* Return code -> Name map */
#define Primitives_Vector	0x06	/* Primitive code -> Name map */
#define Errors_Vector		0x07	/* Error code -> Name map */
#define Hash_Number		0x08	/* Next number for hashing */
#define Hash_Table		0x09	/* Table for hashing objects */
#define Unhash_Table		0x0A	/* Inverse hash table */
#define GC_Daemon		0x0B	/* Procedure to run after GC */
#define Stack_Overflow		0x0C	/* Stack overflow at GC flag */
#define Open_Files		0x0D	/* List of open files */
#define Stepper_State		0x0E	/* NOT IMPLEMENTED YET */
#define Fixed_Objects_Slots	0x0F	/* Names of these slots */
#define External_Primitives	0x10	/* Names of external prims */
#define State_Space_Tag		0x11	/* Tag for state spaces */
#define State_Point_Tag		0x12	/* Tag for state points */
#define Dummy_History		0x13	/* Empty history structure */
#define Bignum_One              0x14    /* Cache for bignum one */
#define System_Scheduler	0x15	/* Scheduler for touched futures */
#define Termination_Vector	0x16    /* Names for terminations */
#define Termination_Proc_Vector	0x17	/* Handlers for terminations */
#define Me_Myself		0x18	/* The actual shared vector */
/* The next slot is used only in multiprocessor mode */
#define The_Work_Queue		0x19	/* Where work is stored */

#define NFixed_Objects		0x1A