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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 FILE_INCLUDED
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#define FILE_INCLUDED
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/*
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FILE MANIPULATION DECLARATIONS
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The routines in this module are concerned with the low level file
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reading and manipulation, including the processing of #include
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directives, start-up and end-up files. The routine next_char is the
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lowest level file reading routine, which returns the next character
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in the input file.
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*/
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extern int refill_char PROTO_S ( ( void ) ) ;
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extern string init_buffer PROTO_S ( ( unsigned long ) ) ;
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extern string make_pathname PROTO_S ( ( string ) ) ;
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extern int is_full_pathname PROTO_S ( ( string ) ) ;
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extern string set_crt_loc PROTO_S ( ( string, int ) ) ;
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extern int start_include PROTO_S ( ( string, int, int, int ) ) ;
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extern int end_include PROTO_S ( ( int ) ) ;
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extern void open_startup PROTO_S ( ( void ) ) ;
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extern int open_input PROTO_S ( ( int ) ) ;
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extern int open_output PROTO_S ( ( int, int ) ) ;
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extern void close_input PROTO_S ( ( void ) ) ;
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extern void close_output PROTO_S ( ( int ) ) ;
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extern void set_incl_depth PROTO_S ( ( unsigned long ) ) ;
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extern void add_directory PROTO_S ( ( string, string ) ) ;
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extern void directory_mode PROTO_S ( ( string, OPTIONS * ) ) ;
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extern void builtin_startup PROTO_S ( ( void ) ) ;
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extern void term_input PROTO_S ( ( void ) ) ;
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extern long tell_buffer PROTO_S ( ( unsigned long ) ) ;
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extern void seek_buffer PROTO_S ( ( unsigned long, long, int ) ) ;
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extern void protection_macro PROTO_S ( ( HASHID, int, int ) ) ;
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extern void update_column PROTO_S ( ( void ) ) ;
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#ifdef SYSTEM_INCLUDED
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extern int already_included PROTO_S ( ( string, STAT_TYPE *, int ) ) ;
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#endif
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/*
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TYPE REPRESENTING AN INCLUSION DIRECTORY
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This type is used to represent a directory which is searched during
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file inclusion.
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*/
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typedef struct incl_dir_tag {
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string path ;
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string name ;
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OPTIONS *mode ;
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ulong no ;
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struct incl_dir_tag *next ;
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} INCL_DIR ;
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/*
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FILE READING VARIABLES
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These variables relate to the file reading and writing routines.
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*/
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extern int crt_line_changed ;
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extern int crt_file_changed ;
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extern int crt_col_changed ;
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extern int crt_file_type ;
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extern int bad_crt_loc ;
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extern unsigned long crt_spaces ;
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extern unsigned long tab_width ;
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extern BUFFER internal_buff ;
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extern BUFFER incl_buff ;
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extern LIST ( string ) startup_files, endup_files ;
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extern FILE *input_file, *output_file [] ;
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extern string input_name, output_name [] ;
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extern unsigned long crt_buff_no ;
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extern string input_start, input_end ;
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extern string input_posn, input_eof ;
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extern string input_crt ;
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extern INCL_DIR *dir_path ;
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/*
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CHARACTER READING AND UNREADING MACROS
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The macro next_char reads the next character from the input buffer.
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It needs to be checked against char_end to spot the end of the buffer.
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The macro unread_char unreads the character A by inserting it back
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into the input buffer.
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*/
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#define next_char() ( ( int ) ( *( input_posn++ ) ) )
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#define unread_char( A ) ( *( --input_posn ) = ( character ) ( A ) )
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/*
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OUTPUT FILE NUMBERS
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These values are used to represent the various output files.
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*/
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#define OUTPUT_TDF 0
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#define OUTPUT_PREPROC 1
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#define OUTPUT_SPEC 2
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#define OUTPUT_DUMP 3
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#define OUTPUT_ERROR 4
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#define OUTPUT_FILES 5
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#endif
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