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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 PROTO_S ( ( int, int ) ) ;
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extern void patch_preproc_dir PROTO_S ( ( PPTOKEN * ) ) ;
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extern int read_include PROTO_S ( ( int, int ) ) ;
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extern unsigned check_macro PROTO_S ( ( HASHID, int ) ) ;
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extern IDENTIFIER make_assert PROTO_S ( ( HASHID, int ) ) ;
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extern void read_ident PROTO_S ( ( int ) ) ;
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extern void read_weak PROTO_S ( ( int ) ) ;
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extern void preprocess_file PROTO_S ( ( void ) ) ;
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extern void start_preproc_if PROTO_S ( ( void ) ) ;
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extern int clear_preproc_if PROTO_S ( ( void ) ) ;
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extern int patch_cond PROTO_S ( ( 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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