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