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/*
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* Copyright (c) 2002-2005 The TenDRA Project <http://www.tendra.org/>.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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* 3. Neither the name of The TenDRA Project nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific, prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS ``AS
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* IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
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* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
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* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
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* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
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* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* $Id$
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*/
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/*
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Crown Copyright (c) 1997
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This TenDRA(r) Computer Program is subject to Copyright
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owned by the United Kingdom Secretary of State for Defence
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acting through the Defence Evaluation and Research Agency
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(DERA). It is made available to Recipients with a
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royalty-free licence for its use, reproduction, transfer
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to other parties and amendment for any purpose not excluding
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product development provided that any such use et cetera
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shall be deemed to be acceptance of the following conditions:-
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(1) Its Recipients shall ensure that this Notice is
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reproduced upon any copies or amended versions of it;
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(2) Any amended version of it shall be clearly marked to
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show both the nature of and the organisation responsible
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for the relevant amendment or amendments;
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(3) Its onward transfer from a recipient to another
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party shall be deemed to be that party's acceptance of
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these conditions;
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(4) DERA gives no warranty or assurance as to its
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quality or suitability for any purpose and DERA accepts
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no liability whatsoever in relation to any use to which
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it may be put.
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*/
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#ifndef PREPROC_INCLUDED
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#define PREPROC_INCLUDED
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/*
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PREPROCESSING DECLARATIONS
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The routines in this module are concerned with the processing of
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preprocessing directives. They include preprocess_file which is the
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stand-alone preprocessing action of the program.
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*/
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extern int read_preproc_dir(int, int);
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extern void patch_preproc_dir(PPTOKEN *);
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extern int read_include(int, int);
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extern unsigned check_macro(HASHID, int);
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extern IDENTIFIER make_assert(HASHID, int);
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extern void read_ident(int);
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extern void read_weak(int);
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extern void preprocess_file(void);
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extern void start_preproc_if (void);
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extern int clear_preproc_if (void);
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extern int patch_cond(int, int);
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/*
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PREPROCESSING VARIABLES
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These variables are used by the preprocessing routines.
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*/
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extern int preproc_only;
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extern int preproc_space;
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extern int pragma_number;
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extern int in_preproc_dir;
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extern int no_preproc_dir;
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extern int in_pragma_dir;
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extern int in_hash_if_exp;
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extern EXP crt_hash_if_exp;
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extern LOCATION preproc_loc;
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extern IDENTIFIER token_macro;
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/*
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CONDITIONAL COMPILATION STATES
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These values are used to identify the various conditional compilation
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states. The condition may be true, false, being skipped, or unresolved.
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In addition a conditional compilation may or may not have associated
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'#else' and '#elif' statements. There is a special value for indicating
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the end of an individual file.
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*/
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#define PP_FALSE ((unsigned)0x00)
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#define PP_TRUE ((unsigned)0x01)
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#define PP_PAST ((unsigned)0x02)
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#define PP_SKIP ((unsigned)0x03)
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#define PP_UNRESOLVED ((unsigned)0x04)
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#define PP_COND_MASK ((unsigned)0x0f)
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#define PP_HAVE_ELSE ((unsigned)0x10)
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#define PP_HAVE_ELIF ((unsigned)0x20)
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#define PP_TOKEN ((unsigned)0x40)
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#define PP_END ((unsigned)0xff)
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#endif
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