gcc/texinfo/makeinfo/makeinfo.h

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/* makeinfo.h -- Declarations for Makeinfo.
$Id: makeinfo.h,v 1.1.1.2 1998/03/22 20:43:08 law Exp $
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Copyright (C) 1996, 97 Free Software Foundation, Inc.
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This program 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 2, or (at your option)
any later version.
This program 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, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
Written by Brian Fox (bfox@ai.mit.edu). */
/* Why, oh why, did I ever listen to rms when he said:
"Don't make lots of small files, just make one big one!" I've
regretted it ever since with this program, and with readline.
bfox@ai.mit.edu Thu Jul 11 07:54:32 1996 */
#if !defined (MAKEINFO_H)
#define MAKEINFO_H
#if defined (COMPILING_MAKEINFO)
# define DECLARE(type, var, init) type var = init
#else
# define DECLARE(type, var, init) extern type var
#endif
enum insertion_type
{
cartouche, defcv, deffn, defivar, defmac, defmethod,
defop, defopt, defspec, deftp, deftypefn, deftypefun,
deftypemethod, deftypevar, deftypevr, defun, defvar,
defvr, detailmenu, direntry, display, enumerate, example,
flushleft, flushright, format, ftable, group, ifclear,
ifinfo, ifnothtml, ifnottex, ifset, itemize, lisp, menu,
multitable, quotation, smallexample, smalllisp, table, vtable,
bad_type
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};
DECLARE (int, insertion_level, 0);
#if defined (COMPILING_MAKEINFO)
char *insertion_type_names[] =
{
"cartouche", "defcv", "deffn", "defivar", "defmac", "defmethod",
"defop", "defopt", "defspec", "deftp", "deftypefn", "deftypefun",
"deftypemethod", "deftypevar", "deftypevr", "defun", "defvar",
"defvr", "detailmenu", "direntry", "display", "enumerate", "example",
"flushleft", "flushright", "format", "ftable", "group", "ifclear",
"ifinfo", "ifnothtml", "ifnottex", "ifset", "itemize", "lisp", "menu",
"multitable", "quotation", "smallexample", "smalllisp", "table", "vtable",
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"bad_type"
};
#endif
typedef struct istack_elt
{
struct istack_elt *next;
char *item_function;
char *filename;
int line_number;
int filling_enabled;
int indented_fill;
enum insertion_type insertion;
int inhibited;
int in_fixed_width_font;
} INSERTION_ELT;
DECLARE (INSERTION_ELT *, insertion_stack, (INSERTION_ELT *)NULL);
/* Current output stream. */
DECLARE (FILE *, output_stream, (FILE *)NULL);
/* Output paragraph buffer. */
DECLARE (unsigned char *, output_paragraph, (unsigned char *)NULL);
/* Offset into OUTPUT_PARAGRAPH. */
DECLARE (int, output_paragraph_offset, 0);
/* The output paragraph "cursor" horizontal position. */
DECLARE (int, output_column, 0);
/* Non-zero means output_paragraph contains text. */
DECLARE (int, paragraph_is_open, 0);
/* The amount of indentation to apply at the start of each line. */
DECLARE (int, current_indent, 0);
/* nonzero if we are currently processing a multitable command */
DECLARE (int, multitable_active, 0);
/* The column at which long lines are broken. */
DECLARE (int, fill_column, 72);
/* The current input file state. */
DECLARE (char *, input_filename, (char *)NULL);
DECLARE (char *, input_text, (char *)NULL);
DECLARE (int, size_of_input_text, 0);
DECLARE (int, input_text_offset, 0);
DECLARE (int, line_number, 0);
#define curchar() input_text[input_text_offset]
/* **************************************************************** */
/* */
/* Global Defines */
/* */
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/* **************************************************************** */
/* Error levels */
#define NO_ERROR 0
#define SYNTAX 2
#define FATAL 4
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/* C's standard macros don't check to make sure that the characters being
changed are within range. So I have to check explicitly. */
/* GNU Library doesn't have toupper(). Until GNU gets this fixed, I will
have to do it. */
#ifndef toupper
#define toupper(c) ((c) - 32)
#endif
#define coerce_to_upper(c) ((islower(c) ? toupper(c) : (c)))
#define coerce_to_lower(c) ((isupper(c) ? tolower(c) : (c)))
#define control_character_bit 0x40 /* %01000000, must be off. */
#define meta_character_bit 0x080/* %10000000, must be on. */
#define CTL(c) ((c) & (~control_character_bit))
#define UNCTL(c) coerce_to_upper(((c)|control_character_bit))
#define META(c) ((c) | (meta_character_bit))
#define UNMETA(c) ((c) & (~meta_character_bit))
#define whitespace(c) (((c) == '\t') || ((c) == ' '))
#define sentence_ender(c) ((c) == '.' || (c) == '?' || (c) == '!')
#define cr_or_whitespace(c) (((c) == '\t') || ((c) == ' ') || ((c) == '\n'))
#ifndef isletter
#define isletter(c) (((c) >= 'A' && (c) <= 'Z') || ((c) >= 'a' && (c) <= 'z'))
#endif
#ifndef isupper
#define isupper(c) ((c) >= 'A' && (c) <= 'Z')
#endif
#ifndef isdigit
#define isdigit(c) ((c) >= '0' && (c) <= '9')
#endif
#ifndef digit_value
#define digit_value(c) ((c) - '0')
#endif
#define member(c, s) (strchr (s, c) != NULL)
#define COMMAND_PREFIX '@'
/* Stuff for splitting large files. */
#define SPLIT_SIZE_THRESHOLD 70000 /* What's good enough for Stallman... */
#define DEFAULT_SPLIT_SIZE 50000 /* Is probably good enough for me. */
DECLARE (int, splitting, 1); /* Defaults to true for now. */
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typedef void COMMAND_FUNCTION (); /* So I can say COMMAND_FUNCTION *foo; */
#define command_char(c) ((!whitespace(c)) && \
((c) != '\n') && \
((c) != '{') && \
((c) != '}') && \
((c) != '='))
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#define skip_whitespace() \
while ((input_text_offset != size_of_input_text) && \
whitespace (curchar())) \
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input_text_offset++
#define skip_whitespace_and_newlines() \
do { \
while ((input_text_offset != size_of_input_text) && \
(whitespace (curchar ()) || (curchar () == '\n'))) \
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{ \
if (curchar () == '\n') \
line_number++; \
input_text_offset++; \
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} \
} while (0)
#endif /* !MAKEINFO_H */