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Diffstat (limited to 'texinfo/makeinfo/makeinfo.h')
| -rw-r--r-- | texinfo/makeinfo/makeinfo.h | 193 |
1 files changed, 193 insertions, 0 deletions
diff --git a/texinfo/makeinfo/makeinfo.h b/texinfo/makeinfo/makeinfo.h new file mode 100644 index 00000000000..399764eb88b --- /dev/null +++ b/texinfo/makeinfo/makeinfo.h @@ -0,0 +1,193 @@ +/* makeinfo.h -- Declarations for Makeinfo. + $Id: makeinfo.h,v 1.1 1997/08/21 22:58:08 jason Exp $ + + Copyright (C) 1996 Free Software Foundation, Inc. + + 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 +{ + menu, detailmenu, quotation, lisp, smalllisp, example, smallexample, + display, itemize, format, enumerate, cartouche, multitable, table, + ftable, vtable, group, ifinfo, flushleft, flushright, ifset, + ifclear, deffn, defun, defmac, defspec, defvr, defvar, defopt, + deftypefn, deftypefun, deftypevr, deftypevar, defcv, defivar, defop, + defmethod, deftypemethod, deftp, direntry, bad_type +}; + +DECLARE (int, insertion_level, 0); + +#if defined (COMPILING_MAKEINFO) +char *insertion_type_names[] = +{ + "menu", "detailmenu", "quotation", "lisp", "smalllisp", "example", + "smallexample", "display", "itemize", "format", "enumerate", + "cartouche", "multitable", "table", "ftable", "vtable", "group", + "ifinfo", "flushleft", "flushright", "ifset", "ifclear", "deffn", + "defun", "defmac", "defspec", "defvr", "defvar", "defopt", + "deftypefn", "deftypefun", "deftypevr", "deftypevar", "defcv", + "defivar", "defop", "defmethod", "deftypemethod", "deftp", "direntry", + "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 */ +/* */ +/* **************************************************************** */ + +/* Error levels */ +#define NO_ERROR 0 +#define SYNTAX 2 +#define FATAL 4 + +/* 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. */ + +typedef void COMMAND_FUNCTION (); /* So I can say COMMAND_FUNCTION *foo; */ + +#define command_char(c) ((!whitespace(c)) && \ + ((c) != '\n') && \ + ((c) != '{') && \ + ((c) != '}') && \ + ((c) != '=')) + +#define skip_whitespace() \ + while ((input_text_offset != size_of_input_text) && \ + whitespace (curchar())) \ + input_text_offset++ + +#define skip_whitespace_and_newlines() \ + do { \ + while ((input_text_offset != size_of_input_text) && \ + (whitespace (curchar ()) || (curchar () == '\n'))) \ + { \ + if (curchar () == '\n') \ + line_number++; \ + input_text_offset++; \ + } \ + } while (0) + +#endif /* !MAKEINFO_H */ |