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* tui/tui-interp.c (tui_is_toplevel): New.

Browse Source 
(tui_init): Set it.
	(tui_allowed_p): New.
	* tui/tui.c (tui_enable): Check if the TUI is allowed before
	enabling it.
	* tui/tui.h (tui_allowed_p): Declare.
This commit is contained in:
Pedro Alves
2010-03-30 22:21:34 +00:00
parent 8d9e771911
commit 956c2c8b9a
4 changed files with 33 additions and 0 deletions
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9
gdb/ChangeLog
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@ -1,3 +1,12 @@
2010-03-30 Pedro Alves <pedro@codesourcery.com>
* tui/tui-interp.c (tui_is_toplevel): New.
(tui_init): Set it.
(tui_allowed_p): New.
* tui/tui.c (tui_enable): Check if the TUI is allowed before
enabling it.
* tui/tui.h (tui_allowed_p): Declare.
2010-03-30 Ozkan Sezer <sezeroz@gmail.com> 2010-03-30 Ozkan Sezer <sezeroz@gmail.com>
* serial.h: Include winsock2.h before windows.h. * serial.h: Include winsock2.h before windows.h.

17
gdb/tui/tui-interp.c
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@ -45,11 +45,16 @@ tui_exit (void)
tui_disable (); tui_disable ();
} }
/* True if TUI is the top-level interpreter. */
static int tui_is_toplevel = 0;
/* These implement the TUI interpreter. */ /* These implement the TUI interpreter. */
static void * static void *
tui_init (int top_level) tui_init (int top_level)
{ {
tui_is_toplevel = top_level;
/* Install exit handler to leave the screen in a good shape. */ /* Install exit handler to leave the screen in a good shape. */
atexit (tui_exit); atexit (tui_exit);
@ -63,6 +68,18 @@ tui_init (int top_level)
return NULL; return NULL;
} }
/* True if enabling the TUI is allowed. Example, if the top level
interpreter is MI, enabling curses will certainly lose. */
int
tui_allowed_p (void)
{
/* Only if TUI is the top level interpreter. Also don't try to
setup curses (and print funny control characters) if we're not
outputting to a terminal. */
return tui_is_toplevel && ui_file_isatty (gdb_stdout);
}
static int static int
tui_resume (void *data) tui_resume (void *data)
{ {

3
gdb/tui/tui.c
View File

@ -364,6 +364,9 @@ tui_initialize_readline (void)
void void
tui_enable (void) tui_enable (void)
{ {
if (!tui_allowed_p ())
error (_("TUI mode not allowed"));
if (tui_active) if (tui_active)
return; return;

4
gdb/tui/tui.h
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@ -65,6 +65,10 @@ extern int tui_get_command_dimension (unsigned int *width,
key shortcut. */ key shortcut. */
extern void tui_initialize_readline (void); extern void tui_initialize_readline (void);
/* True if enabling the TUI is allowed. Example, if the top level
interpreter is MI, enabling curses will certainly lose. */
extern int tui_allowed_p (void);
/* Enter in the tui mode (curses). */ /* Enter in the tui mode (curses). */
extern void tui_enable (void); extern void tui_enable (void);