xref: /dragonfly/contrib/gdb-7/gdb/interps.h (revision a32bc35d)
1 /* Manages interpreters for GDB, the GNU debugger.
2 
3    Copyright (C) 2000, 2002-2003, 2007-2012 Free Software Foundation,
4    Inc.
5 
6    Written by Jim Ingham <jingham@apple.com> of Apple Computer, Inc.
7 
8    This file is part of GDB.
9 
10    This program is free software; you can redistribute it and/or modify
11    it under the terms of the GNU General Public License as published by
12    the Free Software Foundation; either version 3 of the License, or
13    (at your option) any later version.
14 
15    This program is distributed in the hope that it will be useful,
16    but WITHOUT ANY WARRANTY; without even the implied warranty of
17    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
18    GNU General Public License for more details.
19 
20    You should have received a copy of the GNU General Public License
21    along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
22 
23 #ifndef INTERPS_H
24 #define INTERPS_H
25 
26 #include "exceptions.h"
27 
28 struct ui_out;
29 struct interp;
30 
31 extern int interp_resume (struct interp *interp);
32 extern int interp_suspend (struct interp *interp);
33 extern int interp_prompt_p (struct interp *interp);
34 extern int interp_exec_p (struct interp *interp);
35 extern struct gdb_exception interp_exec (struct interp *interp,
36 					 const char *command);
37 extern int interp_quiet_p (struct interp *interp);
38 
39 typedef void *(interp_init_ftype) (struct interp *self, int top_level);
40 typedef int (interp_resume_ftype) (void *data);
41 typedef int (interp_suspend_ftype) (void *data);
42 typedef int (interp_prompt_p_ftype) (void *data);
43 typedef struct gdb_exception (interp_exec_ftype) (void *data,
44 						  const char *command);
45 typedef void (interp_command_loop_ftype) (void *data);
46 typedef struct ui_out *(interp_ui_out_ftype) (struct interp *self);
47 
48 struct interp_procs
49 {
50   interp_init_ftype *init_proc;
51   interp_resume_ftype *resume_proc;
52   interp_suspend_ftype *suspend_proc;
53   interp_exec_ftype *exec_proc;
54   interp_prompt_p_ftype *prompt_proc_p;
55 
56   /* Returns the ui_out currently used to collect results for this
57      interpreter.  It can be a formatter for stdout, as is the case
58      for the console & mi outputs, or it might be a result
59      formatter.  */
60   interp_ui_out_ftype *ui_out_proc;
61 
62   interp_command_loop_ftype *command_loop_proc;
63 };
64 
65 extern struct interp *interp_new (const char *name, const struct interp_procs *procs);
66 extern void interp_add (struct interp *interp);
67 extern int interp_set (struct interp *interp, int top_level);
68 extern struct interp *interp_lookup (const char *name);
69 extern struct ui_out *interp_ui_out (struct interp *interp);
70 extern void *interp_data (struct interp *interp);
71 extern const char *interp_name (struct interp *interp);
72 
73 extern int current_interp_named_p (const char *name);
74 extern int current_interp_display_prompt_p (void);
75 extern void current_interp_command_loop (void);
76 /* Returns opaque data associated with the top-level interpreter.  */
77 extern void *top_level_interpreter_data (void);
78 extern struct interp *top_level_interpreter (void);
79 
80 /* True if the current interpreter is in async mode, false if in sync
81    mode.  If in sync mode, running a synchronous execution command
82    (with execute_command, e.g, "next") will not return until the
83    command is finished.  If in async mode, then running a synchronous
84    command returns right after resuming the target.  Waiting for the
85    command's completion is later done on the top event loop (using
86    continuations).  */
87 extern int interpreter_async;
88 
89 extern void clear_interpreter_hooks (void);
90 
91 /* well-known interpreters */
92 #define INTERP_CONSOLE		"console"
93 #define INTERP_MI1             "mi1"
94 #define INTERP_MI2             "mi2"
95 #define INTERP_MI3             "mi3"
96 #define INTERP_MI		"mi"
97 #define INTERP_TUI		"tui"
98 #define INTERP_INSIGHT		"insight"
99 
100 #endif
101