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/* Manages interpreters for GDB, the GNU debugger.
Copyright (C) 2000-2017 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_pre_command_loop_ftype) (struct interp *self);
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;
/* Called before starting an event loop, to give the interpreter a
chance to e.g., print a prompt. */
interp_pre_command_loop_ftype *pre_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);
/* Set the current UI's top level interpreter to the interpreter named
NAME. Throws an error if NAME is not a known interpreter or the
interpreter fails to initialize. */
extern void set_top_level_interpreter (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);
/* 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);
/* Return the current UI's current interpreter. */
extern struct interp *current_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);
/* Called before starting an event loop, to give the interpreter a
chance to e.g., print a prompt. */
extern void interp_pre_command_loop (struct interp *interp);
/* List the possible interpreters which could complete the given
text. */
extern VEC (char_ptr) *interpreter_completer (struct cmd_list_element *ignore,
const char *text,
const char *word);
/* 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
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