/* Copyright 1989-2024 Free Software Foundation, Inc.
     Written by James Clark (jjc@jclark.com)

This file is part of groff, the GNU roff typesetting system.

groff is free software; you can redistribute it and/or modify it under
the terms of the GNU General Public License as published by the Free
Software Foundation, either version 3 of the License, or
(at your option) any later version.

groff is distributed in the hope that it will be useful, but WITHOUT ANY
WARRANTY; without even the implied warranty of MERCHANTABILITY or
FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
for more details.

You should have received a copy of the GNU General Public License
along with this program.  If not, see <http://www.gnu.org/licenses/>. */

#include "lib.h"

#include "color.h"
#include "device.h"
#include "searchpath.h"

typedef int units;

extern units scale(units n, units x, units y); // scale n by x/y

extern bool want_abstract_output;
extern bool want_output_suppressed;
extern bool want_color_output;
extern bool is_writing_html;
extern bool in_nroff_mode;

extern bool device_has_tcommand;

extern units hresolution;
extern units vresolution;
extern units units_per_inch;
extern int sizescale;

extern search_path *mac_path;

#include "cset.h"
#include "cmap.h"
#include "errarg.h"
#include "error.h"

enum warning_type {
  WARN_CHAR = 01,
  //WARN_NUMBER = 02, // withdrawn in groff 1.24
  WARN_BREAK = 04,
  WARN_DELIM = 010,
  //WARN_EL = 020, // withdrawn in groff 1.24
  WARN_SCALE = 040,
  WARN_RANGE = 0100,
  WARN_SYNTAX = 0200,
  WARN_DI = 0400,
  WARN_MAC = 01000,
  WARN_REG = 02000,
  WARN_TAB = 04000,
  //WARN_RIGHT_BRACE = 010000, // withdrawn in groff 1.24
  WARN_MISSING = 020000,
  WARN_INPUT = 040000,
  WARN_ESCAPE = 0100000,
  WARN_SPACE = 0200000,
  WARN_FONT = 0400000,
  WARN_IG =  01000000,
  WARN_COLOR = 02000000,
  WARN_FILE = 04000000
  // change WARN_MAX if you add more warning types
};

const int WARN_MAX = 07777777;

int warning(warning_type, const char *,
	    const errarg & = empty_errarg,
	    const errarg & = empty_errarg,
	    const errarg & = empty_errarg);
int output_warning(warning_type, const char *,
		   const errarg & = empty_errarg,
		   const errarg & = empty_errarg,
		   const errarg & = empty_errarg);

// Local Variables:
// fill-column: 72
// mode: C++
// End:
// vim: set cindent noexpandtab shiftwidth=2 textwidth=72:
