/* Manages interpreters for GDB, the GNU debugger.
- Copyright (C) 2000, 2002, 2003, 2007, 2008, 2009
- Free Software Foundation, Inc.
+ Copyright (C) 2000-2016 Free Software Foundation, Inc.
Written by Jim Ingham <jingham@apple.com> of Apple Computer, Inc.
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/>. */
+ 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;
+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 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 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 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);
+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_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;
+
+ /* 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, void *data,
- struct ui_out *uiout,
- const struct interp_procs *procs);
-extern void interp_add (struct interp *interp);
+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);
-extern struct interp *interp_lookup (const char *name);
+
+/* 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);
-extern int current_interp_display_prompt_p (void);
-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);
+/* 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"