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/* macro.h -- declarations for macro.c.
$Id: macro.h,v 1.6 2007/07/01 21:20:32 karl Exp $
Copyright (C) 1998, 1999, 2007 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 3 of the License, 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, see <http://www.gnu.org/licenses/>. */
#ifndef MACRO_H
#define MACRO_H
extern FILE *macro_expansion_output_stream;
extern char *macro_expansion_filename;
extern int me_executing_string;
extern int only_macro_expansion;
/* Here is a structure used to remember input text strings and offsets
within them. */
typedef struct {
char *pointer; /* Pointer to the input text. */
int offset; /* Offset of the last character output. */
} ITEXT;
/* Macro definitions for user-defined commands. */
typedef struct {
char *name; /* Name of the macro. */
char **arglist; /* Args to replace when executing. */
int argcount; /* Number of args in arglist */
char *body; /* Macro body. */
char *source_file; /* File where this macro is defined. */
int source_lineno; /* Line number within FILENAME. */
int inhibited; /* Nonzero means make find_macro () fail. */
int flags; /* ME_RECURSE, etc. */
} MACRO_DEF;
/* flags for MACRO_DEF */
#define ME_RECURSE 0x01
extern void execute_macro (MACRO_DEF *def);
extern MACRO_DEF *find_macro (char *name);
extern char *expand_macro (MACRO_DEF *def);
extern ITEXT *remember_itext (char *pointer, int offset);
extern void forget_itext (char *pointer);
extern void maybe_write_itext (char *pointer, int offset);
extern void write_region_to_macro_output (char *string, int start, int end);
extern void append_to_expansion_output (int offset);
extern void me_append_before_this_command (void);
extern void me_execute_string (char *execution_string);
extern void me_execute_string_keep_state (char *execution_string,
char *append_string);
extern char *alias_expand (char *tok);
extern int enclosure_command (char *tok);
extern void enclosure_expand (int arg, int start, int end);
/* The @commands. */
extern void cm_macro (void), cm_rmacro (void), cm_unmacro (void);
extern void cm_alias (void), cm_definfoenclose (void);
extern int array_len (char **array);
extern void free_array (char **array);
enum quote_type { quote_none, quote_single, quote_many };
extern char **get_brace_args (enum quote_type type);
#endif /* not MACRO_H */
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