/* Manages interpreters for GDB, the GNU debugger.
- Copyright (C) 2000, 2002, 2003, 2007 Free Software Foundation, Inc.
+ Copyright (C) 2000, 2002, 2003, 2007, 2008, 2009
+ Free Software Foundation, Inc.
Written by Jim Ingham <jingham@apple.com> of Apple Computer, Inc.
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 2 of the License, or
+ 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,
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, write to the Free Software
- Foundation, Inc., 51 Franklin Street, Fifth Floor,
- Boston, MA 02110-1301, USA. */
+ along with this program. If not, see <http://www.gnu.org/licenses/>. */
/* This is just a first cut at separating out the "interpreter"
functions of gdb into self-contained modules. There are a couple
#include "interps.h"
#include "completer.h"
#include "gdb_string.h"
-#include "gdb-events.h"
#include "gdb_assert.h"
#include "top.h" /* For command_loop. */
#include "exceptions.h"
static struct interp *interp_list = NULL;
static struct interp *current_interpreter = NULL;
+static struct interp *top_level_interpreter_ptr = NULL;
static int interpreter_initialized = 0;
init proc is successful, return 1, if it fails, set the old
interpreter back in place and return 0. If we can't restore the
old interpreter, then raise an internal error, since we are in
- pretty bad shape at this point. */
+ pretty bad shape at this point.
+
+ The TOP_LEVEL parameter tells if this new interpreter is
+ the top-level one. The top-level is what is requested
+ on the command line, and is responsible for reporting general
+ notification about target state changes. For example, if
+ MI is the top-level interpreter, then it will always report
+ events such as target stops and new thread creation, even if they
+ are caused by CLI commands. */
int
-interp_set (struct interp *interp)
+interp_set (struct interp *interp, int top_level)
{
struct interp *old_interp = current_interpreter;
int first_time = 0;
-
-
char buffer[64];
+ /* If we already have an interpreter, then trying to
+ set top level interpreter is kinda pointless. */
+ gdb_assert (!top_level || !current_interpreter);
+ gdb_assert (!top_level || !top_level_interpreter_ptr);
+
if (current_interpreter != NULL)
{
do_all_continuations ();
}
current_interpreter = interp;
+ if (top_level)
+ top_level_interpreter_ptr = interp;
/* We use interpreter_p for the "set interpreter" variable, so we need
to make sure we have a malloc'ed copy for the set command to free. */
{
if (interp->procs->init_proc != NULL)
{
- interp->data = interp->procs->init_proc ();
+ interp->data = interp->procs->init_proc (top_level);
}
interp->inited = 1;
}
if (interp->procs->resume_proc != NULL
&& (!interp->procs->resume_proc (interp->data)))
{
- if (old_interp == NULL || !interp_set (old_interp))
+ if (old_interp == NULL || !interp_set (old_interp, 0))
internal_error (__FILE__, __LINE__,
_("Failed to initialize new interp \"%s\" %s"),
interp->name, "and could not restore old interp!\n");
/*print_frame_more_info_hook = 0; */
deprecated_query_hook = 0;
deprecated_warning_hook = 0;
- deprecated_create_breakpoint_hook = 0;
- deprecated_delete_breakpoint_hook = 0;
- deprecated_modify_breakpoint_hook = 0;
deprecated_interactive_hook = 0;
- deprecated_registers_changed_hook = 0;
deprecated_readline_begin_hook = 0;
deprecated_readline_hook = 0;
deprecated_readline_end_hook = 0;
deprecated_error_hook = 0;
deprecated_error_begin_hook = 0;
deprecated_command_loop_hook = 0;
- clear_gdb_event_hooks ();
}
/* This is a lazy init routine, called the first time the interpreter
unsigned int i;
int old_quiet, use_quiet;
- prules = buildargv (args);
- if (prules == NULL)
- {
- error (_("unable to parse arguments"));
- }
+ if (args == NULL)
+ error_no_arg (_("interpreter-exec command"));
+
+ prules = gdb_buildargv (args);
+ make_cleanup_freeargv (prules);
nrules = 0;
- if (prules != NULL)
- {
- for (trule = prules; *trule != NULL; trule++)
- {
- nrules++;
- }
- }
+ for (trule = prules; *trule != NULL; trule++)
+ nrules++;
if (nrules < 2)
error (_("usage: interpreter-exec <interpreter> [ <command> ... ]"));
old_quiet = interp_set_quiet (old_interp, 1);
use_quiet = interp_set_quiet (interp_to_use, 1);
- if (!interp_set (interp_to_use))
+ if (!interp_set (interp_to_use, 0))
error (_("Could not switch to interpreter \"%s\"."), prules[0]);
for (i = 1; i < nrules; i++)
struct gdb_exception e = interp_exec (interp_to_use, prules[i]);
if (e.reason < 0)
{
- interp_set (old_interp);
+ interp_set (old_interp, 0);
interp_set_quiet (interp_to_use, use_quiet);
interp_set_quiet (old_interp, old_quiet);
error (_("error in command: \"%s\"."), prules[i]);
}
}
- interp_set (old_interp);
+ interp_set (old_interp, 0);
interp_set_quiet (interp_to_use, use_quiet);
interp_set_quiet (old_interp, old_quiet);
}
return matches;
}
+struct interp *
+top_level_interpreter (void)
+{
+ return top_level_interpreter_ptr;
+}
+
+void *
+top_level_interpreter_data (void)
+{
+ gdb_assert (top_level_interpreter_ptr);
+ return top_level_interpreter_ptr->data;
+}
+
/* This just adds the "interpreter-exec" command. */
void
_initialize_interpreter (void)
projects / deliverable / binutils-gdb.git / blobdiff