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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 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(void);
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extern string init_buffer(unsigned long);
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extern string make_pathname(string);
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extern int is_full_pathname(string);
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extern string set_crt_loc(string, int);
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extern int start_include(string, int, int, int);
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extern int end_include(int);
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extern void open_startup(void);
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extern int open_input(int);
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extern int open_output(int, int);
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extern void close_input(void);
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extern void close_output(int);
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extern void set_incl_depth(unsigned long);
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extern void add_directory(string, string);
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extern void directory_mode(string, OPTIONS *);
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extern void builtin_startup(void);
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extern void term_input(void);
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extern long tell_buffer(unsigned long);
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extern void seek_buffer(unsigned long, long, int);
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extern void protection_macro(HASHID, int, int);
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extern void update_column(void);
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#ifdef SYSTEM_INCLUDED
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extern int already_included(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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