aboutsummaryrefslogtreecommitdiff
path: root/gdb/interps.h
blob: adccbb54ba6ebdf464bfe9b1f56cbb00ffd4f999 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
/* Manages interpreters for GDB, the GNU debugger.

   Copyright (C) 2000-2016 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

struct ui_out;
struct interp;
struct ui;

typedef struct interp *(*interp_factory_func) (const char *name);

/* Each interpreter kind (CLI, MI, etc.) registers itself with a call
   to this function, passing along its name, and a pointer to a
   function that creates a new instance of an interpreter with that
   name.  */
extern void interp_factory_register (const char *name,
				     interp_factory_func func);

extern int interp_resume (struct interp *interp);
extern int interp_suspend (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) (struct interp *self, int top_level);
typedef int (interp_resume_ftype) (void *data);
typedef int (interp_suspend_ftype) (void *data);
typedef struct gdb_exception (interp_exec_ftype) (void *data,
						  const char *command);
typedef void (interp_command_loop_ftype) (void *data);
typedef struct ui_out *(interp_ui_out_ftype) (struct interp *self);

typedef int (interp_set_logging_ftype) (struct interp *self, int start_log,
					struct ui_file *out,
					struct ui_file *logfile);

typedef int (interp_supports_command_editing_ftype) (struct interp *self);

struct interp_procs
{
  interp_init_ftype *init_proc;
  interp_resume_ftype *resume_proc;
  interp_suspend_ftype *suspend_proc;
  interp_exec_ftype *exec_proc;

  /* Returns the ui_out currently used to collect results for this
     interpreter.  It can be a formatter for stdout, as is the case
     for the console & mi outputs, or it might be a result
     formatter.  */
  interp_ui_out_ftype *ui_out_proc;

  /* Provides a hook for interpreters to do any additional
     setup/cleanup that they might need when logging is enabled or
     disabled.  */
  interp_set_logging_ftype *set_logging_proc;

  interp_command_loop_ftype *command_loop_proc;

  /* Returns true if this interpreter supports using the readline
     library; false if it uses GDB's own simplified readline
     emulation.  */
  interp_supports_command_editing_ftype *supports_command_editing_proc;
};

extern struct interp *interp_new (const char *name,
				  const struct interp_procs *procs,
				  void *data);
extern void interp_add (struct ui *ui, struct interp *interp);
extern int interp_set (struct interp *interp, int top_level);

/* Look up the interpreter for NAME, creating one if none exists yet.
   If NAME is not a interpreter type previously registered with
   interp_factory_register, return NULL; otherwise return a pointer to
   the interpreter.  */
extern struct interp *interp_lookup (struct ui *ui, const char *name);

extern struct ui_out *interp_ui_out (struct interp *interp);
extern void *interp_data (struct interp *interp);
extern const char *interp_name (struct interp *interp);
extern struct interp *interp_set_temp (const char *name);

extern int current_interp_named_p (const char *name);

extern void current_interp_command_loop (void);

/* Call this function to give the current interpreter an opportunity
   to do any special handling of streams when logging is enabled or
   disabled.  START_LOG is 1 when logging is starting, 0 when it ends,
   and OUT is the stream for the log file; it will be NULL when
   logging is ending.  LOGFILE is non-NULL if the output streams
   are to be tees, with the log file as one of the outputs.  */

extern int current_interp_set_logging (int start_log, struct ui_file *out,
				       struct ui_file *logfile);

/* Returns opaque data associated with the top-level interpreter.  */
extern void *top_level_interpreter_data (void);
extern struct interp *top_level_interpreter (void);

extern struct interp *command_interp (void);

extern void clear_interpreter_hooks (void);

/* Returns true if INTERP supports using the readline library; false
   if it uses GDB's own simplified form of readline.  */
extern int interp_supports_command_editing (struct interp *interp);

/* 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