contrib/texinfo-4/makeinfo/macro.h

   1 /* macro.h -- declarations for macro.c.
   2    $Id: macro.h,v 1.2 2004/04/11 17:56:47 karl Exp $
   3
   4    Copyright (C) 1998, 99 Free Software Foundation, Inc.
   5
   6    This program is free software; you can redistribute it and/or modify
   7    it under the terms of the GNU General Public License as published by
   8    the Free Software Foundation; either version 2, or (at your option)
   9    any later version.
  10
  11    This program is distributed in the hope that it will be useful,
  12    but WITHOUT ANY WARRANTY; without even the implied warranty of
  13    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14    GNU General Public License for more details.
  15
  16    You should have received a copy of the GNU General Public License
  17    along with this program; if not, write to the Free Software
  18    Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  19    */
  20
  21 #ifndef MACRO_H
  22 #define MACRO_H
  23
  24 extern FILE *macro_expansion_output_stream;
  25 extern char *macro_expansion_filename;
  26 extern int me_executing_string;
  27 extern int only_macro_expansion;
  28
  29 /* Here is a structure used to remember input text strings and offsets
  30    within them. */
  31 typedef struct {
  32   char *pointer;                /* Pointer to the input text. */
  33   int offset;                   /* Offset of the last character output. */
  34 } ITEXT;
  35
  36 /* Macro definitions for user-defined commands. */
  37 typedef struct {
  38   char *name;                   /* Name of the macro. */
  39   char **arglist;               /* Args to replace when executing. */
  40   char *body;                   /* Macro body. */
  41   char *source_file;            /* File where this macro is defined. */
  42   int source_lineno;            /* Line number within FILENAME. */
  43   int inhibited;                /* Nonzero means make find_macro () fail. */
  44   int flags;                    /* ME_RECURSE, ME_QUOTE_ARG, etc. */
  45 } MACRO_DEF;
  46
  47 /* flags for MACRO_DEF */
  48 #define ME_RECURSE      0x01
  49 #define ME_QUOTE_ARG    0x02
  50
  51 extern void execute_macro (MACRO_DEF *def);
  52 extern MACRO_DEF *find_macro (char *name);
  53 extern char *expand_macro (MACRO_DEF *def);
  54
  55 extern ITEXT *remember_itext (char *pointer, int offset);
  56 extern void forget_itext (char *pointer);
  57 extern void maybe_write_itext (char *pointer, int offset);
  58 extern void write_region_to_macro_output (char *string, int start, int end);
  59 extern void append_to_expansion_output (int offset);
  60 extern void me_append_before_this_command (void);
  61 extern void me_execute_string (char *execution_string);
  62 extern void me_execute_string_keep_state (char *execution_string,
  63     char *append_string);
  64
  65 extern char *alias_expand (char *tok);
  66 extern int enclosure_command (char *tok);
  67 extern void enclosure_expand (int arg, int start, int end);
  68
  69 /* The @commands.  */
  70 extern void cm_macro (void), cm_rmacro (void), cm_unmacro (void);
  71 extern void cm_alias (void), cm_definfoenclose (void);
  72
  73 extern int array_len (char **array);
  74 extern void free_array (char **array);
  75 extern char **get_brace_args (int quote_single);
  76
  77 #endif /* not MACRO_H */