defines.h

<B>Digital的Unix操作系统VAX 4.2源码</B>

/*
*	@(#)defines.h	1.2	(ULTRIX)	1/15/86
*/

/************************************************************************
 *									*
 *			Copyright (c) 1983 by				*
 *		Digital Equipment Corporation, Maynard, MA		*
 *			All rights reserved.				*
 *									*
 *   This software is furnished under a license and may be used and	*
 *   copied  only  in accordance with the terms of such license and	*
 *   with the  inclusion  of  the  above  copyright  notice.   This	*
 *   software  or  any  other copies thereof may not be provided or	*
 *   otherwise made available to any other person.  No title to and	*
 *   ownership of the software is hereby transferred.			*
 *									*
 *   This software is  derived  from  software  received  from  the	*
 *   University    of   California,   Berkeley,   and   from   Bell	*
 *   Laboratories.  Use, duplication, or disclosure is  subject  to	*
 *   restrictions  under  license  agreements  with  University  of	*
 *   California and with AT&T.						*
 *									*
 *   The information in this software is subject to change  without	*
 *   notice  and should not be construed as a commitment by Digital	*
 *   Equipment Corporation.						*
 *									*
 *   Digital assumes no responsibility for the use  or  reliability	*
 *   of its software on equipment which is not supplied by Digital.	*
 *									*
 ************************************************************************/

/************************************************************************
*
*			Modification History
*
*		David Metsky,	14-Jan-86
*
* 001	Replaced old version with BSD 4.3 version as part of upgrade
*
*	Based on:	defines.h	5.2		8/28/85
*
*************************************************************************/

/*
 * defines.h
 *
 * Global definitions for the first pass of the f77 compiler, Unix 4.3 BSD.
 *
 * University of Utah CS Dept modification history:
 *
 * $Log:	defines.h,v $
 * Revision 5.2  85/08/10  05:11:20  donn
 * Added comment header; added Jerry Berkman's changes to delete INTRCNST
 * and to ifdef 66 code.
 * 
 */

#define INTERDATA 2
#define GCOS 3
#define PDP11 4
#define IBM 5
#define CMACH 6
#define VAX 7

#define DMR 2
#define PCC 3

#ifndef FAMILY
FAMILY NOT DEFINED !!!
Family = FAMILY
#endif

#ifndef HERE
HERE NOT DEFINED !!!!
Here = HERE
#endif

#define M(x) (1<<x)
#define ALLOC(x)	(struct x *) ckalloc(sizeof(struct x))
#define ALLOCN(n,x)	(struct x *) ckalloc(n*sizeof(struct x))
#define ALLEXPR		(expptr) ckalloc( sizeof(union Expression) )
typedef int *ptr;
typedef char *charptr;
typedef FILE *FILEP;
typedef short flag;
typedef char field;	/* actually need only 4 bits */
typedef long int ftnint;
#define LOCAL static

#define NO 0
#define YES 1

#define CNULL (char *) 0
#define PNULL (ptr) 0
#define CHNULL (chainp) 0
#define ENULL (expptr) 0



/* block tag values */

#define TNAME 1
#define TCONST 2
#define TEXPR 3
#define TADDR 4
#define TTEMP 5
#define TPRIM 6
#define TLIST 7
#define TIMPLDO 8
#define TERROR 9


/* parser states */

#define OUTSIDE 0
#define INSIDE 1
#define INDCL 2
#define INDATA 3
#define INEXEC 4

/* procedure classes */

#define PROCMAIN 1
#define PROCBLOCK 2
#define PROCSUBR 3
#define PROCFUNCT 4


/* storage classes -- vstg values */

#define STGUNKNOWN 0
#define STGARG 1
#define STGAUTO 2
#define STGBSS 3
#define STGINIT 4
#define STGCONST 5
#define STGEXT 6
#define STGINTR 7
#define STGSTFUNCT 8
#define STGCOMMON 9
#define STGEQUIV 10
#define STGREG 11
#define STGLENG 12
#define STGNULL 13
#define STGPREG 14

/* name classes -- vclass values */

#define CLUNKNOWN 0
#define CLPARAM 1
#define CLVAR 2
#define CLENTRY 3
#define CLMAIN 4
#define CLBLOCK 5
#define CLPROC 6
#define CLNAMELIST 7


/* vprocclass values */

#define PUNKNOWN 0
#define PEXTERNAL 1
#define PINTRINSIC 2
#define PSTFUNCT 3
#define PTHISPROC 4

/* control stack codes */

#define CTLDO 1
#define CTLIF 2
#define CTLELSE 3


/* operators -- see also arrays 'ops' and 'ops2' in put.c */

#define OPPLUS 1
#define OPMINUS 2
#define OPSTAR 3
#define OPSLASH 4
#define OPPOWER 5
#define OPNEG 6
#define OPOR 7
#define OPAND 8
#define OPEQV 9
#define OPNEQV 10
#define OPNOT 11
#define OPCONCAT 12
#define OPLT 13
#define OPEQ 14
#define OPGT 15
#define OPLE 16
#define OPNE 17
#define OPGE 18
#define OPCALL 19
#define OPCCALL 20
#define OPASSIGN 21
#define OPPLUSEQ 22
#define OPSTAREQ 23
#define OPCONV 24
#define OPLSHIFT 25
#define OPMOD 26
#define OPCOMMA 27
#define OPQUEST 28
#define OPCOLON 29
#define OPABS 30
#define OPMIN 31
#define OPMAX 32
#define OPADDR 33
#define OPINDIRECT 34
#define OPBITOR 35
#define OPBITAND 36
#define OPBITXOR 37
#define OPBITNOT 38
#define OPRSHIFT 39
#define OPPAREN 40
#define	OPUNARYPLUS 41


/* label type codes */

#define LABUNKNOWN 0
#define LABEXEC 1
#define LABFORMAT 2
#define LABOTHER 3


/* INTRINSIC function codes*/

#define INTREND 0
#define INTRCONV 1
#define INTRMIN 2
#define INTRMAX 3
#define INTRGEN 4
#define INTRSPEC 5
#define INTRBOOL 6


/* I/O statement codes */

#define IOSTDIN ICON(5)
#define IOSTDOUT ICON(6)
#define IOSTDERR ICON(0)

#define IOSBAD (-1)
#define IOSPOSITIONAL 0
#define IOSUNIT 1
#define IOSFMT 2

#define IOINQUIRE 1
#define IOOPEN 2
#define IOCLOSE 3
#define IOREWIND 4
#define IOBACKSPACE 5
#define IOENDFILE 6
#define IOREAD 7
#define IOWRITE 8


/* type masks */

#define MSKLOGICAL	M(TYLOGICAL)
#define MSKADDR	M(TYADDR)
#define MSKCHAR	M(TYCHAR)
#define MSKINT	M(TYSHORT)|M(TYLONG)
#define MSKREAL	M(TYREAL)|M(TYDREAL)
#define MSKCOMPLEX	M(TYCOMPLEX)|M(TYDCOMPLEX)
#define MSKSTATIC (M(STGINIT)|M(STGBSS)|M(STGCOMMON)|M(STGEQUIV)|M(STGCONST))

/* miscellaneous macros */

#define ONEOF(x,y) (M(x) & (y))
#define ISCOMPLEX(z) ONEOF(z, MSKCOMPLEX)
#define ISREAL(z) ONEOF(z, MSKREAL)
#define ISNUMERIC(z) ONEOF(z, MSKINT|MSKREAL|MSKCOMPLEX)
#define ISICON(z) (z->tag==TCONST && ISINT(z->constblock.vtype))
#define ISCHAR(z) (z->headblock.vtype==TYCHAR)
#define ISINT(z)   ONEOF(z, MSKINT)
#define ISCONST(z) (z->tag==TCONST)
#define ISERROR(z) (z->tag==TERROR)
#define ISPLUSOP(z) (z->tag==TEXPR && z->exprblock.opcode==OPPLUS)
#define ISSTAROP(z) (z->tag==TEXPR && z->exprblock.opcode==OPSTAR)
#define ISONE(z) (ISICON(z) && z->constblock.const.ci==1)
#define INT(z) ONEOF(z, MSKINT|MSKCHAR)
#define ICON(z) mkintcon( (ftnint)(z) )

#ifdef ONLY66
#define NO66(s)	if(no66flag) err66(s)
#define NOEXT(s)	if(noextflag) errext(s)
#else
#define NO66(s)
#define NOEXT(s)
#endif

/* round a up to a multiple of b */
#define roundup(a,b)    ( b * ( (a+b-1)/b) )


/* optimization buffer slot types */

#define SKNULL		0
#define SKIFN		1
#define SKGOTO		2
#define SKLABEL		3
#define SKEQ		4
#define SKCALL		5
#define SKCMGOTO	6
#define SKSTOP		7
#define SKDOHEAD	8
#define SKENDDO		9
#define SKARIF		10
#define SKRETURN	11
#define SKASGOTO	12
#define SKPAUSE		13
#define SKASSIGN	14
#define SKIOIFN		15
#define SKFRTEMP	16