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/* Manages interpreters for GDB, the GNU debugger.
 
   Copyright (C) 2000, 2002, 2003, 2007, 2008, 2009, 2010
   Free Software Foundation, Inc.
 
   Written by Jim Ingham <jingham@apple.com> of Apple Computer, Inc.
 
   This file is part of GDB.
 
   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 INTERPS_H
#define INTERPS_H
 
#include "exceptions.h"
 
struct ui_out;
struct interp;
 
extern int interp_resume (struct interp *interp);
extern int interp_suspend (struct interp *interp);
extern int interp_prompt_p (struct interp *interp);
extern int interp_exec_p (struct interp *interp);
extern struct gdb_exception interp_exec (struct interp *interp,
					 const char *command);
extern int interp_quiet_p (struct interp *interp);
 
typedef void *(interp_init_ftype) (int top_level);
typedef int (interp_resume_ftype) (void *data);
typedef int (interp_suspend_ftype) (void *data);
typedef int (interp_prompt_p_ftype) (void *data);
typedef struct gdb_exception (interp_exec_ftype) (void *data,
						  const char *command);
typedef void (interp_command_loop_ftype) (void *data);
 
struct interp_procs
{
  interp_init_ftype *init_proc;
  interp_resume_ftype *resume_proc;
  interp_suspend_ftype *suspend_proc;
  interp_exec_ftype *exec_proc;
  interp_prompt_p_ftype *prompt_proc_p;
  interp_command_loop_ftype *command_loop_proc;
};
 
extern struct interp *interp_new (const char *name, void *data,
				  struct ui_out *uiout,
				  const struct interp_procs *procs);
extern void interp_add (struct interp *interp);
extern int interp_set (struct interp *interp, int top_level);
extern struct interp *interp_lookup (const char *name);
extern struct ui_out *interp_ui_out (struct interp *interp);
 
extern int current_interp_named_p (const char *name);
extern int current_interp_display_prompt_p (void);
extern void current_interp_command_loop (void);
/* Returns opaque data associated with the top-level interpreter.  */
extern void *top_level_interpreter_data (void);
extern struct interp *top_level_interpreter (void);
 
extern void clear_interpreter_hooks (void);
 
/* well-known interpreters */
#define INTERP_CONSOLE		"console"
#define INTERP_MI1             "mi1"
#define INTERP_MI2             "mi2"
#define INTERP_MI3             "mi3"
#define INTERP_MI		"mi"
#define INTERP_TUI		"tui"
#define INTERP_INSIGHT		"insight"
 
#endif