/* Top level stuff for GDB, the GNU debugger.
- Copyright 1999, 2000, 2001 Free Software Foundation, Inc.
+ Copyright 1999, 2000, 2001, 2002 Free Software Foundation, Inc.
Written by Elena Zannoni <ezannoni@cygnus.com> of Cygnus Solutions.
This file is part of GDB.
#include "terminal.h" /* for job_control */
#include "event-loop.h"
#include "event-top.h"
+#include "interps.h"
#include <signal.h>
/* For dont_repeat() */
/* readline defines this. */
#undef savestring
-extern void _initialize_event_loop (void);
-
static void rl_callback_read_char_wrapper (gdb_client_data client_data);
static void command_line_handler (char *rl);
static void command_line_handler_continuation (struct continuation_arg *arg);
static void change_line_handler (void);
static void change_annotation_level (void);
static void command_handler (char *command);
-void cli_command_loop (void);
static void async_do_nothing (gdb_client_data arg);
static void async_disconnect (gdb_client_data arg);
static void async_stop_sig (gdb_client_data arg);
int prompt_length = 0;
char *gdb_prompt = get_prompt ();
-#ifdef UI_OUT
- /* When an alternative interpreter has been installed, do not
- display the comand prompt. */
- if (interpreter_p)
+ /* Each interpreter has its own rules on displaying the command
+ prompt. */
+ if (!current_interp_display_prompt_p ())
return;
-#endif
if (target_executing && sync_execution)
{
character position to be off, since the newline we read from
the user is not accounted for. */
fputs_unfiltered (new_prompt, gdb_stdout);
-
- /* OBSOLETE #ifdef MPW */
- /* OBSOLETE *//* Move to a new line so the entered line doesn't have a prompt */
- /* OBSOLETE on the front of it. */
- /* OBSOLETE fputs_unfiltered ("\n", gdb_stdout); */
- /* OBSOLETE #endif *//* MPW */
gdb_flush (gdb_stdout);
}
}
(struct continuation_arg *) xmalloc (sizeof (struct continuation_arg));
arg1->next = arg2;
arg2->next = NULL;
- arg1->data.integer = time_at_cmd_start;
- arg2->data.integer = space_at_cmd_start;
+ arg1->data.longint = time_at_cmd_start;
+#ifdef HAVE_SBRK
+ arg2->data.longint = space_at_cmd_start;
+#endif
add_continuation (command_line_handler_continuation, arg1);
}
xfree (rl); /* Allocated in readline. */
- if (*(p - 1) == '\\')
+ if (p > linebuffer && *(p - 1) == '\\')
{
p--; /* Put on top of '\'. */
- if (*p == '\\')
- {
- readline_input_state.linebuffer = savestring (linebuffer,
- strlen (linebuffer));
- readline_input_state.linebuffer_ptr = p;
-
- /* We will not invoke a execute_command if there is more
- input expected to complete the command. So, we need to
- print an empty prompt here. */
- more_to_come = 1;
- push_prompt ("", "", "");
- display_gdb_prompt (0);
- return;
- }
+ readline_input_state.linebuffer = savestring (linebuffer,
+ strlen (linebuffer));
+ readline_input_state.linebuffer_ptr = p;
+
+ /* We will not invoke a execute_command if there is more
+ input expected to complete the command. So, we need to
+ print an empty prompt here. */
+ more_to_come = 1;
+ push_prompt ("", "", "");
+ display_gdb_prompt (0);
+ return;
}
#ifdef STOP_SIGNAL
interface, i.e. via a callback function (rl_callback_read_char),
and hook up instream to the event loop. */
void
-_initialize_event_loop (void)
+gdb_setup_readline (void)
{
+ /* This function is a noop for the sync case. The assumption is that
+ the sync setup is ALL done in gdb_init, and we would only mess it up
+ here. The sync stuff should really go away over time. */
+
if (event_loop_p)
{
+ gdb_stdout = stdio_fileopen (stdout);
+ gdb_stderr = stdio_fileopen (stderr);
+ gdb_stdlog = gdb_stderr; /* for moment */
+ gdb_stdtarg = gdb_stderr; /* for moment */
+
/* If the input stream is connected to a terminal, turn on
editing. */
if (ISATTY (instream))
register it with the event loop. */
input_fd = fileno (instream);
- /* Tell gdb to use the cli_command_loop as the main loop. */
- command_loop_hook = cli_command_loop;
-
/* Now we need to create the event sources for the input file
descriptor. */
/* At this point in time, this is the only event source that we
add_file_handler (input_fd, stdin_event_handler, 0);
}
}
+
+/* Disable command input through the standard CLI channels. Used in
+ the suspend proc for interpreters that use the standard gdb readline
+ interface, like the cli & the mi. */
+void
+gdb_disable_readline (void)
+{
+ if (event_loop_p)
+ {
+ /* FIXME - It is too heavyweight to delete and remake these
+ every time you run an interpreter that needs readline.
+ It is probably better to have the interpreters cache these,
+ which in turn means that this needs to be moved into interpreter
+ specific code. */
+
+#if 0
+ ui_file_delete (gdb_stdout);
+ ui_file_delete (gdb_stderr);
+ gdb_stdlog = NULL;
+ gdb_stdtarg = NULL;
+#endif
+
+ rl_callback_handler_remove ();
+ delete_file_handler (input_fd);
+ }
+}
projects / deliverable / binutils-gdb.git / blobdiff