1 /* Manages interpreters for GDB, the GNU debugger.
3 Copyright (C) 2000-2016 Free Software Foundation, Inc.
5 Written by Jim Ingham <jingham@apple.com> of Apple Computer, Inc.
7 This file is part of GDB.
9 This program is free software; you can redistribute it and/or modify
10 it under the terms of the GNU General Public License as published by
11 the Free Software Foundation; either version 3 of the License, or
12 (at your option) any later version.
14 This program is distributed in the hope that it will be useful,
15 but WITHOUT ANY WARRANTY; without even the implied warranty of
16 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 GNU General Public License for more details.
19 You should have received a copy of the GNU General Public License
20 along with this program. If not, see <http://www.gnu.org/licenses/>. */
29 typedef struct interp *(*interp_factory_func) (const char *name);
31 /* Each interpreter kind (CLI, MI, etc.) registers itself with a call
32 to this function, passing along its name, and a pointer to a
33 function that creates a new instance of an interpreter with that
35 extern void interp_factory_register (const char *name,
36 interp_factory_func func);
38 extern int interp_resume (struct interp *interp);
39 extern int interp_suspend (struct interp *interp);
40 extern struct gdb_exception interp_exec (struct interp *interp,
42 extern int interp_quiet_p (struct interp *interp);
44 typedef void *(interp_init_ftype) (struct interp *self, int top_level);
45 typedef int (interp_resume_ftype) (void *data);
46 typedef int (interp_suspend_ftype) (void *data);
47 typedef struct gdb_exception (interp_exec_ftype) (void *data,
49 typedef void (interp_pre_command_loop_ftype) (struct interp *self);
50 typedef struct ui_out *(interp_ui_out_ftype) (struct interp *self);
52 typedef int (interp_set_logging_ftype) (struct interp *self, int start_log,
54 struct ui_file *logfile);
56 typedef int (interp_supports_command_editing_ftype) (struct interp *self);
60 interp_init_ftype *init_proc;
61 interp_resume_ftype *resume_proc;
62 interp_suspend_ftype *suspend_proc;
63 interp_exec_ftype *exec_proc;
65 /* Returns the ui_out currently used to collect results for this
66 interpreter. It can be a formatter for stdout, as is the case
67 for the console & mi outputs, or it might be a result
69 interp_ui_out_ftype *ui_out_proc;
71 /* Provides a hook for interpreters to do any additional
72 setup/cleanup that they might need when logging is enabled or
74 interp_set_logging_ftype *set_logging_proc;
76 /* Called before starting an event loop, to give the interpreter a
77 chance to e.g., print a prompt. */
78 interp_pre_command_loop_ftype *pre_command_loop_proc;
80 /* Returns true if this interpreter supports using the readline
81 library; false if it uses GDB's own simplified readline
83 interp_supports_command_editing_ftype *supports_command_editing_proc;
86 extern struct interp *interp_new (const char *name,
87 const struct interp_procs *procs,
89 extern void interp_add (struct ui *ui, struct interp *interp);
90 extern int interp_set (struct interp *interp, int top_level);
92 /* Look up the interpreter for NAME, creating one if none exists yet.
93 If NAME is not a interpreter type previously registered with
94 interp_factory_register, return NULL; otherwise return a pointer to
96 extern struct interp *interp_lookup (struct ui *ui, const char *name);
98 /* Set the current UI's top level interpreter to the interpreter named
99 NAME. Throws an error if NAME is not a known interpreter or the
100 interpreter fails to initialize. */
101 extern void set_top_level_interpreter (const char *name);
103 extern struct ui_out *interp_ui_out (struct interp *interp);
104 extern void *interp_data (struct interp *interp);
105 extern const char *interp_name (struct interp *interp);
106 extern struct interp *interp_set_temp (const char *name);
108 extern int current_interp_named_p (const char *name);
110 /* Call this function to give the current interpreter an opportunity
111 to do any special handling of streams when logging is enabled or
112 disabled. START_LOG is 1 when logging is starting, 0 when it ends,
113 and OUT is the stream for the log file; it will be NULL when
114 logging is ending. LOGFILE is non-NULL if the output streams
115 are to be tees, with the log file as one of the outputs. */
117 extern int current_interp_set_logging (int start_log, struct ui_file *out,
118 struct ui_file *logfile);
120 /* Returns opaque data associated with the top-level interpreter. */
121 extern void *top_level_interpreter_data (void);
122 extern struct interp *top_level_interpreter (void);
124 /* Return the current UI's current interpreter. */
125 extern struct interp *current_interpreter (void);
127 extern struct interp *command_interp (void);
129 extern void clear_interpreter_hooks (void);
131 /* Returns true if INTERP supports using the readline library; false
132 if it uses GDB's own simplified form of readline. */
133 extern int interp_supports_command_editing (struct interp *interp);
135 /* Called before starting an event loop, to give the interpreter a
136 chance to e.g., print a prompt. */
137 extern void interp_pre_command_loop (struct interp *interp);
139 /* List the possible interpreters which could complete the given
141 extern VEC (char_ptr) *interpreter_completer (struct cmd_list_element *ignore,
145 /* well-known interpreters */
146 #define INTERP_CONSOLE "console"
147 #define INTERP_MI1 "mi1"
148 #define INTERP_MI2 "mi2"
149 #define INTERP_MI3 "mi3"
150 #define INTERP_MI "mi"
151 #define INTERP_TUI "tui"
152 #define INTERP_INSIGHT "insight"