2 /* Copyright (C) 1989, 1990, 1991, 1992, 2000, 2001, 2003, 2005
3 Free Software Foundation, Inc.
4 Written by James Clark (jjc@jclark.com)
6 This file is part of groff.
8 groff is free software; you can redistribute it and/or modify it under
9 the terms of the GNU General Public License as published by the Free
10 Software Foundation; either version 2, or (at your option) any later
13 groff is distributed in the hope that it will be useful, but WITHOUT ANY
14 WARRANTY; without even the implied warranty of MERCHANTABILITY or
15 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
18 You should have received a copy of the GNU General Public License along
19 with groff; see the file COPYING. If not, write to the Free Software
20 Foundation, 51 Franklin St - Fifth Floor, Boston, MA 02110-1301, USA. */
28 #ifdef NEED_DECLARATION_RAND
33 #endif /* NEED_DECLARATION_RAND */
35 #ifdef NEED_DECLARATION_SRAND
38 #ifdef RET_TYPE_SRAND_IS_VOID
39 void srand(unsigned int);
41 int srand(unsigned int);
44 #endif /* NEED_DECLARATION_SRAND */
48 double fmod(double, double);
54 #include "stringclass.h"
62 #define M_SQRT2 1.41421356237309504880
66 #define M_PI 3.14159265358979323846
74 virtual int get() = 0;
75 virtual int peek() = 0;
76 virtual int get_location(const char **, int *);
77 friend class input_stack;
78 friend class copy_rest_thru_input;
81 class file_input : public input {
89 file_input(FILE *, const char *);
93 int get_location(const char **, int *);
96 void lex_init(input *);
97 int get_location(char **, int *);
99 void do_copy(const char *file);
101 void parse_cleanup();
103 void lex_error(const char *message,
104 const errarg &arg1 = empty_errarg,
105 const errarg &arg2 = empty_errarg,
106 const errarg &arg3 = empty_errarg);
108 void lex_warning(const char *message,
109 const errarg &arg1 = empty_errarg,
110 const errarg &arg2 = empty_errarg,
111 const errarg &arg3 = empty_errarg);
115 extern int flyback_flag;
116 extern int command_char;
117 // zero_length_line_flag is non-zero if zero-length lines are drawn
118 // as dots by the output device
119 extern int zero_length_line_flag;
120 extern int driver_extension_flag;
121 extern int compatible_flag;
122 extern int safer_flag;
123 extern char *graphname;