380 lines
12 KiB
C
380 lines
12 KiB
C
/*************************************************************************
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*
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* $RCSfile: cppdef.h,v $
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*
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* $Revision: 1.5 $
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*
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* last change: $Author: vg $ $Date: 2003-04-15 15:56:54 $
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*
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* The Contents of this file are made available subject to the terms of
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* either of the following licenses
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*
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* - GNU Lesser General Public License Version 2.1
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* - Sun Industry Standards Source License Version 1.1
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*
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* Sun Microsystems Inc., October, 2000
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*
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* GNU Lesser General Public License Version 2.1
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* =============================================
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* Copyright 2000 by Sun Microsystems, Inc.
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* 901 San Antonio Road, Palo Alto, CA 94303, USA
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License version 2.1, as published by the Free Software Foundation.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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* MA 02111-1307 USA
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*
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*
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* Sun Industry Standards Source License Version 1.1
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* =================================================
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* The contents of this file are subject to the Sun Industry Standards
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* Source License Version 1.1 (the "License"); You may not use this file
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* except in compliance with the License. You may obtain a copy of the
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* License at http://www.openoffice.org/license.html.
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*
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* Software provided under this License is provided on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING,
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* WITHOUT LIMITATION, WARRANTIES THAT THE SOFTWARE IS FREE OF DEFECTS,
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* MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE, OR NON-INFRINGING.
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* See the License for the specific provisions governing your rights and
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* obligations concerning the Software.
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*
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* The Initial Developer of the Original Code is: Sun Microsystems, Inc.
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*
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* Copyright: 2000 by Sun Microsystems, Inc.
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*
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* All Rights Reserved.
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*
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* Contributor(s): _______________________________________
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*
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*
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************************************************************************/
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/*
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* This redundant definition of TRUE and FALSE works around
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* a limitation of Decus C.
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*/
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#ifndef TRUE
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#define TRUE 1
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#define FALSE 0
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#endif
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/*
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* Define the HOST operating system. This is needed so that
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* cpp can use appropriate filename conventions.
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*/
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#define SYS_UNKNOWN 0
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#define SYS_UNIX 1
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#define SYS_VMS 2
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#define SYS_RSX 3
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#define SYS_RT11 4
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#define SYS_LATTICE 5
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#define SYS_ONYX 6
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#define SYS_68000 7
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#ifndef HOST
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#ifdef unix
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#define HOST SYS_UNIX
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#else
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#ifdef vms
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#define HOST SYS_VMS
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#else
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#ifdef rsx
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#define HOST SYS_RSX
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#else
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#ifdef rt11
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#define HOST SYS_RT11
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#endif
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#endif
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#endif
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#endif
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#endif
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#ifndef HOST
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#define HOST SYS_UNKNOWN
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#endif
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/*
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* We assume that the target is the same as the host system
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*/
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#ifndef TARGET
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#define TARGET HOST
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#endif
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/*
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* In order to predefine machine-dependent constants,
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* several strings are defined here:
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*
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* MACHINE defines the target cpu (by name)
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* SYSTEM defines the target operating system
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* COMPILER defines the target compiler
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*
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* The above may be #defined as "" if they are not wanted.
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* They should not be #defined as NULL.
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*
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* LINE_PREFIX defines the # output line prefix, if not "line"
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* This should be defined as "" if cpp is to replace
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* the "standard" C pre-processor.
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*
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* FILE_LOCAL marks functions which are referenced only in the
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* file they reside. Some C compilers allow these
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* to be marked "static" even though they are referenced
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* by "extern" statements elsewhere.
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*
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* OK_DOLLAR Should be set TRUE if $ is a valid alphabetic character
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* in identifiers (default), or zero if $ is invalid.
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* Default is TRUE.
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*
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* OK_CONCAT Should be set TRUE if # may be used to concatenate
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* tokens in macros (per the Ansi Draft Standard) or
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* FALSE for old-style # processing (needed if cpp is
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* to process assembler source code).
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*
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* OK_DATE Predefines the compilation date if set TRUE.
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* Not permitted by the Nov. 12, 1984 Draft Standard.
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*
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* S_CHAR etc. Define the sizeof the basic TARGET machine word types.
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* By default, sizes are set to the values for the HOST
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* computer. If this is inappropriate, see the code in
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* cpp3.c for details on what to change. Also, if you
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* have a machine where sizeof (signed int) differs from
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* sizeof (unsigned int), you will have to edit code and
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* tables in cpp3.c (and extend the -S option definition.)
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*
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* CPP_LIBRARY May be defined if you have a site-specific include directory
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* which is to be searched *before* the operating-system
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* specific directories.
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*/
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#if TARGET == SYS_LATTICE
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/*
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* We assume the operating system is pcdos for the IBM-PC.
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* We also assume the small model (just like the PDP-11)
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*/
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#define MACHINE "i8086"
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#define SYSTEM "pcdos"
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#endif
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#if TARGET == SYS_ONYX
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#define MACHINE "z8000"
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#define SYSTEM "unix"
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#endif
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#if TARGET == SYS_VMS
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#define MACHINE "vax"
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#define SYSTEM "vms"
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#define COMPILER "vax11c"
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#endif
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#if TARGET == SYS_RSX
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#define MACHINE "pdp11"
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#define SYSTEM "rsx"
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#define COMPILER "decus"
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#endif
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#if TARGET == SYS_RT11
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#define MACHINE "pdp11"
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#define SYSTEM "rt11"
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#define COMPILER "decus"
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#endif
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#if TARGET == SYS_68000 || defined(M68000) || defined(m68000) || defined(m68k)
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/*
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* All three machine designators have been seen in various systems.
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* Warning -- compilers differ as to sizeof (int). cpp3 assumes that
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* sizeof (int) == 2
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*/
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#define MACHINE "M68000", "m68000", "m68k"
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#define SYSTEM "unix"
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#endif
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#if TARGET == SYS_UNIX
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#define SYSTEM "unix"
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#ifdef pdp11
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#define MACHINE "pdp11"
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#endif
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#ifdef vax
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#define MACHINE "vax"
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#endif
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#endif
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/*
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* defaults
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*/
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#ifndef MSG_PREFIX
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#define MSG_PREFIX "cpp: "
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#endif
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#ifndef LINE_PREFIX
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#define LINE_PREFIX ""
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#endif
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/*
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* OLD_PREPROCESSOR forces the definition of OK_DOLLAR, OK_CONCAT,
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* COMMENT_INVISIBLE, and STRING_FORMAL to values appropriate for
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* an old-style preprocessor.
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*/
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#ifndef OLD_PREPROCESSOR
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#define OLD_PREPROCESSOR FALSE
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#endif
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#if OLD_PREPROCESSOR
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#define OK_DOLLAR FALSE
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#define OK_CONCAT TRUE
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#define COMMENT_INVISIBLE TRUE
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#define STRING_FORMAL TRUE
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#define IDMAX 63 /* actually, seems to be unlimited */
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#endif
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/*
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* RECURSION_LIMIT may be set to -1 to disable the macro recursion test.
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*/
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#ifndef RECURSION_LIMIT
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#define RECURSION_LIMIT 1000
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#endif
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/*
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* BITS_CHAR may be defined to set the number of bits per character.
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* it is needed only for multi-byte character constants.
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*/
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#ifndef BITS_CHAR
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#define BITS_CHAR 8
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#endif
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/*
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* BIG_ENDIAN is set TRUE on machines (such as the IBM 360 series)
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* where 'ab' stores 'a' in the high-bits and 'b' in the low-bits.
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* It is set FALSE on machines (such as the PDP-11 and Vax-11)
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* where 'ab' stores 'a' in the low-bits and 'b' in the high-bits.
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* (Or is it the other way around?) -- Warning: BIG_ENDIAN code is untested.
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*/
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#ifndef BIG_ENDIAN
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#define BIG_ENDIAN FALSE
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#endif
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/*
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* COMMENT_INVISIBLE may be defined to allow "old-style" comment
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* processing, whereby the comment becomes a zero-length token
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* delimiter. This permitted tokens to be concatenated in macro
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* expansions. This was removed from the Draft Ansi Standard.
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*/
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#ifndef COMMENT_INVISIBLE
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#define COMMENT_INVISIBLE FALSE
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#endif
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/*
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* STRING_FORMAL may be defined to allow recognition of macro parameters
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* anywhere in replacement strings. This was removed from the Draft Ansi
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* Standard and a limited recognition capability added.
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*/
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#ifndef STRING_FORMAL
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#define STRING_FORMAL FALSE
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#endif
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/*
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* OK_DOLLAR enables use of $ as a valid "letter" in identifiers.
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* This is a permitted extension to the Ansi Standard and is required
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* for e.g., VMS, RSX-11M, etc. It should be set FALSE if cpp is
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* used to preprocess assembler source on Unix systems. OLD_PREPROCESSOR
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* sets OK_DOLLAR FALSE for that reason.
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*/
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#ifndef OK_DOLLAR
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#define OK_DOLLAR TRUE
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#endif
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/*
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* OK_CONCAT enables (one possible implementation of) token concatenation.
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* If cpp is used to preprocess Unix assembler source, this should be
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* set FALSE as the concatenation character, #, is used by the assembler.
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*/
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#ifndef OK_CONCAT
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#define OK_CONCAT TRUE
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#endif
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/*
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* OK_DATE may be enabled to predefine today's date as a string
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* at the start of each compilation. This is apparently not permitted
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* by the Draft Ansi Standard.
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*/
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#ifndef OK_DATE
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#define OK_DATE TRUE
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#endif
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/*
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* The following definitions are used to allocate memory for
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* work buffers. In general, they should not be modified
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* by implementors.
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*
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* PAR_MAC The maximum number of #define parameters (31 per Standard)
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* Note: we need another one for strings.
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* IDMAX The longest identifier, 31 per Ansi Standard
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* NBUFF Input buffer size
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* NWORK Work buffer size -- the longest macro
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* must fit here after expansion.
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* NEXP The nesting depth of #if expressions
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* NINCLUDE The number of directories that may be specified
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* on a per-system basis, or by the -I option.
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* BLK_NEST The number of nested #if's permitted.
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* NFWORK FileNameWorkBuffer (added by erAck, was NWORK)
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*/
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#ifndef IDMAX
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#define IDMAX 127
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#endif
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#ifdef SOLAR
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#define PAR_MAC (253 + 1)
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#else
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#define PAR_MAC (31 + 1)
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#endif
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/* ER 13.06.95 19:33
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da Makros im file->buffer expandiert werden, muss NBUFF mindestens NWORK sein
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#define NWORK 4096
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#define NBUFF 4096
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*/
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/* ER 13.06.95 20:05 NWORK wg. grooossen Makros in *.src erhoeht,
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da wir bald 10 Sprachen haben werden gleich ordentlich reingehauen.. */
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#define NWORK 32512
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#define NBUFF NWORK
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#define NFWORK 1024
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#define NEXP 128
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#define NINCLUDE 100
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#define NPARMWORK (NWORK * 2)
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#define BLK_NEST 32
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#ifndef ALERT
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#ifdef EBCDIC
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#define ALERT '\057'
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#else
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#define ALERT '\007' /* '\a' is "Bell" */
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#endif
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#endif
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#ifndef VT
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#define VT '\013' /* Vertical Tab CTRL/K */
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#endif
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#ifndef FILE_LOCAL
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#ifdef decus
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#define FILE_LOCAL static
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#else
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#ifdef vax11c
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#define FILE_LOCAL static
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#else
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#define FILE_LOCAL /* Others are global */
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#endif
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#endif
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#endif
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