/* CLI Definitions for GDB, the GNU debugger.
- Copyright (C) 2002-2016 Free Software Foundation, Inc.
+ Copyright (C) 2002-2018 Free Software Foundation, Inc.
This file is part of GDB.
#include "top.h" /* for "execute_command" */
#include "event-top.h"
#include "infrun.h"
-#include "observer.h"
+#include "observable.h"
#include "gdbthread.h"
#include "thread-fsm.h"
+#include "inferior.h"
+
+cli_interp_base::cli_interp_base (const char *name)
+ : interp (name)
+{}
+
+cli_interp_base::~cli_interp_base ()
+{}
/* The console interpreter. */
-struct cli_interp
+
+class cli_interp final : public cli_interp_base
{
+ public:
+ explicit cli_interp (const char *name);
+ ~cli_interp ();
+
+ void init (bool top_level) override;
+ void resume () override;
+ void suspend () override;
+ gdb_exception exec (const char *command_str) override;
+ ui_out *interp_ui_out () override;
+
/* The ui_out for the console interpreter. */
cli_ui_out *cli_uiout;
};
+cli_interp::cli_interp (const char *name)
+ : cli_interp_base (name)
+{
+ /* Create a default uiout builder for the CLI. */
+ this->cli_uiout = cli_out_new (gdb_stdout);
+}
+
+cli_interp::~cli_interp ()
+{
+ delete cli_uiout;
+}
+
/* Suppress notification struct. */
struct cli_suppress_notification cli_suppress_notification =
{
static struct cli_interp *
as_cli_interp (struct interp *interp)
{
- if (strcmp (interp_name (interp), INTERP_CONSOLE) == 0)
- return (struct cli_interp *) interp_data (interp);
- return NULL;
+ return dynamic_cast<cli_interp *> (interp);
}
/* Longjmp-safe wrapper for "execute_command". */
static struct gdb_exception safe_execute_command (struct ui_out *uiout,
- char *command,
+ const char *command,
int from_tty);
/* See cli-interp.h.
/* pre_command_loop implementation. */
void
-cli_interpreter_pre_command_loop (struct interp *self)
+cli_interp_base::pre_command_loop ()
{
display_gdb_prompt (0);
}
/* These implement the cli out interpreter: */
-static void *
-cli_interpreter_init (struct interp *self, int top_level)
+void
+cli_interp::init (bool top_level)
{
- return interp_data (self);
}
-static int
-cli_interpreter_resume (void *data)
+void
+cli_interp::resume ()
{
struct ui *ui = current_ui;
- struct cli_interp *cli = (struct cli_interp *) data;
+ struct cli_interp *cli = this;
struct ui_file *stream;
/*sync_execution = 1; */
if (stream != NULL)
cli->cli_uiout->set_stream (gdb_stdout);
-
- return 1;
}
-static int
-cli_interpreter_suspend (void *data)
+void
+cli_interp::suspend ()
{
gdb_disable_readline ();
- return 1;
}
-static struct gdb_exception
-cli_interpreter_exec (void *data, const char *command_str)
+gdb_exception
+cli_interp::exec (const char *command_str)
{
- struct cli_interp *cli = (struct cli_interp *) data;
+ struct cli_interp *cli = this;
struct ui_file *old_stream;
struct gdb_exception result;
- /* FIXME: cagney/2003-02-01: Need to const char *propogate
- safe_execute_command. */
- char *str = (char *) alloca (strlen (command_str) + 1);
- strcpy (str, command_str);
-
/* gdb_stdout could change between the time cli_uiout was
initialized and now. Since we're probably using a different
interpreter which has a new ui_file for gdb_stdout, use that one
It is important that it gets reset everytime, since the user
could set gdb to use a different interpreter. */
old_stream = cli->cli_uiout->set_stream (gdb_stdout);
- result = safe_execute_command (cli->cli_uiout, str, 1);
+ result = safe_execute_command (cli->cli_uiout, command_str, 1);
cli->cli_uiout->set_stream (old_stream);
return result;
}
-int
-cli_interpreter_supports_command_editing (struct interp *interp)
+bool
+cli_interp_base::supports_command_editing ()
{
- return 1;
+ return true;
}
static struct gdb_exception
-safe_execute_command (struct ui_out *command_uiout, char *command, int from_tty)
+safe_execute_command (struct ui_out *command_uiout, const char *command,
+ int from_tty)
{
struct gdb_exception e = exception_none;
- struct ui_out *saved_uiout;
/* Save and override the global ``struct ui_out'' builder. */
- saved_uiout = current_uiout;
- current_uiout = command_uiout;
+ scoped_restore saved_uiout = make_scoped_restore (¤t_uiout,
+ command_uiout);
TRY
{
}
END_CATCH
- /* Restore the global builder. */
- current_uiout = saved_uiout;
-
/* FIXME: cagney/2005-01-13: This shouldn't be needed. Instead the
caller should print the exception. */
exception_print (gdb_stderr, e);
return e;
}
-static struct ui_out *
-cli_ui_out (struct interp *self)
+ui_out *
+cli_interp::interp_ui_out ()
{
- struct cli_interp *cli = (struct cli_interp *) interp_data (self);
+ struct cli_interp *cli = (struct cli_interp *) this;
return cli->cli_uiout;
}
-/* The CLI interpreter's vtable. */
-
-static const struct interp_procs cli_interp_procs = {
- cli_interpreter_init, /* init_proc */
- cli_interpreter_resume, /* resume_proc */
- cli_interpreter_suspend, /* suspend_proc */
- cli_interpreter_exec, /* exec_proc */
- cli_ui_out, /* ui_out_proc */
- NULL, /* set_logging_proc */
- cli_interpreter_pre_command_loop, /* pre_command_loop_proc */
- cli_interpreter_supports_command_editing, /* supports_command_editing_proc */
+/* These hold the pushed copies of the gdb output files.
+ If NULL then nothing has yet been pushed. */
+struct saved_output_files
+{
+ ui_file *out;
+ ui_file *err;
+ ui_file *log;
+ ui_file *targ;
+ ui_file *targerr;
};
+static saved_output_files saved_output;
+
+/* See cli-interp.h. */
+
+void
+cli_interp_base::set_logging (ui_file_up logfile, bool logging_redirect)
+{
+ if (logfile != NULL)
+ {
+ saved_output.out = gdb_stdout;
+ saved_output.err = gdb_stderr;
+ saved_output.log = gdb_stdlog;
+ saved_output.targ = gdb_stdtarg;
+ saved_output.targerr = gdb_stdtargerr;
+
+ /* A raw pointer since ownership is transferred to
+ gdb_stdout. */
+ ui_file *output = make_logging_output (gdb_stdout,
+ std::move (logfile),
+ logging_redirect);
+ gdb_stdout = output;
+ gdb_stdlog = output;
+ gdb_stderr = output;
+ gdb_stdtarg = output;
+ gdb_stdtargerr = output;
+ }
+ else
+ {
+ /* Only delete one of the files -- they are all set to the same
+ value. */
+ delete gdb_stdout;
+
+ gdb_stdout = saved_output.out;
+ gdb_stderr = saved_output.err;
+ gdb_stdlog = saved_output.log;
+ gdb_stdtarg = saved_output.targ;
+ gdb_stdtargerr = saved_output.targerr;
+
+ saved_output.out = NULL;
+ saved_output.err = NULL;
+ saved_output.log = NULL;
+ saved_output.targ = NULL;
+ saved_output.targerr = NULL;
+ }
+}
/* Factory for CLI interpreters. */
static struct interp *
cli_interp_factory (const char *name)
{
- struct cli_interp *cli = XNEW (struct cli_interp);
-
- /* Create a default uiout builder for the CLI. */
- cli->cli_uiout = cli_out_new (gdb_stdout);
-
- return interp_new (name, &cli_interp_procs, cli);
+ return new cli_interp (name);
}
/* Standard gdb initialization hook. */
-extern initialize_file_ftype _initialize_cli_interp; /* -Wmissing-prototypes */
void
_initialize_cli_interp (void)
interp_factory_register (INTERP_CONSOLE, cli_interp_factory);
/* If changing this, remember to update tui-interp.c as well. */
- observer_attach_normal_stop (cli_on_normal_stop);
- observer_attach_end_stepping_range (cli_on_end_stepping_range);
- observer_attach_signal_received (cli_on_signal_received);
- observer_attach_signal_exited (cli_on_signal_exited);
- observer_attach_exited (cli_on_exited);
- observer_attach_no_history (cli_on_no_history);
- observer_attach_sync_execution_done (cli_on_sync_execution_done);
- observer_attach_command_error (cli_on_command_error);
- observer_attach_user_selected_context_changed
+ gdb::observers::normal_stop.attach (cli_on_normal_stop);
+ gdb::observers::end_stepping_range.attach (cli_on_end_stepping_range);
+ gdb::observers::signal_received.attach (cli_on_signal_received);
+ gdb::observers::signal_exited.attach (cli_on_signal_exited);
+ gdb::observers::exited.attach (cli_on_exited);
+ gdb::observers::no_history.attach (cli_on_no_history);
+ gdb::observers::sync_execution_done.attach (cli_on_sync_execution_done);
+ gdb::observers::command_error.attach (cli_on_command_error);
+ gdb::observers::user_selected_context_changed.attach
(cli_on_user_selected_context_changed);
}