/* UI_FILE - a generic STDIO like output stream.
|
/* UI_FILE - a generic STDIO like output stream.
|
Copyright (C) 1999, 2000 Free Software Foundation, Inc.
|
Copyright (C) 1999, 2000 Free Software Foundation, Inc.
|
|
|
This file is part of GDB.
|
This file is part of GDB.
|
|
|
This program is free software; you can redistribute it and/or modify
|
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
|
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 2 of the License, or
|
(at your option) any later version.
|
(at your option) any later version.
|
|
|
This program is distributed in the hope that it will be useful,
|
This program is distributed in the hope that it will be useful,
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
GNU General Public License for more details.
|
GNU General Public License for more details.
|
|
|
You should have received a copy of the GNU General Public License
|
You should have received a copy of the GNU General Public License
|
along with this program; if not, write to the Free Software
|
along with this program; if not, write to the Free Software
|
Foundation, Inc., 59 Temple Place - Suite 330,
|
Foundation, Inc., 59 Temple Place - Suite 330,
|
Boston, MA 02111-1307, USA. */
|
Boston, MA 02111-1307, USA. */
|
|
|
#include "defs.h"
|
#include "defs.h"
|
#include "ui-file.h"
|
#include "ui-file.h"
|
#include "tui/tui-file.h"
|
#include "tui/tui-file.h"
|
|
|
#include <string.h>
|
#include <string.h>
|
|
|
/* Called instead of fputs for all TUI_FILE output. */
|
/* Called instead of fputs for all TUI_FILE output. */
|
|
|
void (*fputs_unfiltered_hook) (const char *linebuffer,
|
void (*fputs_unfiltered_hook) (const char *linebuffer,
|
struct ui_file * stream);
|
struct ui_file * stream);
|
|
|
/* A ``struct ui_file'' that is compatible with all the legacy
|
/* A ``struct ui_file'' that is compatible with all the legacy
|
code. */
|
code. */
|
|
|
/* new */
|
/* new */
|
enum streamtype
|
enum streamtype
|
{
|
{
|
afile,
|
afile,
|
astring
|
astring
|
};
|
};
|
|
|
/* new */
|
/* new */
|
struct tui_stream
|
struct tui_stream
|
{
|
{
|
int *ts_magic;
|
int *ts_magic;
|
enum streamtype ts_streamtype;
|
enum streamtype ts_streamtype;
|
FILE *ts_filestream;
|
FILE *ts_filestream;
|
char *ts_strbuf;
|
char *ts_strbuf;
|
int ts_buflen;
|
int ts_buflen;
|
};
|
};
|
|
|
static ui_file_flush_ftype tui_file_flush;
|
static ui_file_flush_ftype tui_file_flush;
|
extern ui_file_fputs_ftype tui_file_fputs;
|
extern ui_file_fputs_ftype tui_file_fputs;
|
static ui_file_isatty_ftype tui_file_isatty;
|
static ui_file_isatty_ftype tui_file_isatty;
|
static ui_file_rewind_ftype tui_file_rewind;
|
static ui_file_rewind_ftype tui_file_rewind;
|
static ui_file_put_ftype tui_file_put;
|
static ui_file_put_ftype tui_file_put;
|
static ui_file_delete_ftype tui_file_delete;
|
static ui_file_delete_ftype tui_file_delete;
|
static struct ui_file *tui_file_new PARAMS ((void));
|
static struct ui_file *tui_file_new PARAMS ((void));
|
static int tui_file_magic;
|
static int tui_file_magic;
|
|
|
static struct ui_file *
|
static struct ui_file *
|
tui_file_new ()
|
tui_file_new ()
|
{
|
{
|
struct tui_stream *tui = xmalloc (sizeof (struct tui_stream));
|
struct tui_stream *tui = xmalloc (sizeof (struct tui_stream));
|
struct ui_file *file = ui_file_new ();
|
struct ui_file *file = ui_file_new ();
|
set_ui_file_data (file, tui, tui_file_delete);
|
set_ui_file_data (file, tui, tui_file_delete);
|
set_ui_file_flush (file, tui_file_flush);
|
set_ui_file_flush (file, tui_file_flush);
|
set_ui_file_fputs (file, tui_file_fputs);
|
set_ui_file_fputs (file, tui_file_fputs);
|
set_ui_file_isatty (file, tui_file_isatty);
|
set_ui_file_isatty (file, tui_file_isatty);
|
set_ui_file_rewind (file, tui_file_rewind);
|
set_ui_file_rewind (file, tui_file_rewind);
|
set_ui_file_put (file, tui_file_put);
|
set_ui_file_put (file, tui_file_put);
|
tui->ts_magic = &tui_file_magic;
|
tui->ts_magic = &tui_file_magic;
|
return file;
|
return file;
|
}
|
}
|
|
|
static void
|
static void
|
tui_file_delete (file)
|
tui_file_delete (file)
|
struct ui_file *file;
|
struct ui_file *file;
|
{
|
{
|
struct tui_stream *tmpstream = ui_file_data (file);
|
struct tui_stream *tmpstream = ui_file_data (file);
|
if (tmpstream->ts_magic != &tui_file_magic)
|
if (tmpstream->ts_magic != &tui_file_magic)
|
internal_error ("tui_file_delete: bad magic number");
|
internal_error ("tui_file_delete: bad magic number");
|
if ((tmpstream->ts_streamtype == astring) &&
|
if ((tmpstream->ts_streamtype == astring) &&
|
(tmpstream->ts_strbuf != NULL))
|
(tmpstream->ts_strbuf != NULL))
|
{
|
{
|
free (tmpstream->ts_strbuf);
|
free (tmpstream->ts_strbuf);
|
}
|
}
|
free (tmpstream);
|
free (tmpstream);
|
}
|
}
|
|
|
struct ui_file *
|
struct ui_file *
|
tui_fileopen (stream)
|
tui_fileopen (stream)
|
FILE *stream;
|
FILE *stream;
|
{
|
{
|
struct ui_file *file = tui_file_new ();
|
struct ui_file *file = tui_file_new ();
|
struct tui_stream *tmpstream = ui_file_data (file);
|
struct tui_stream *tmpstream = ui_file_data (file);
|
tmpstream->ts_streamtype = afile;
|
tmpstream->ts_streamtype = afile;
|
tmpstream->ts_filestream = stream;
|
tmpstream->ts_filestream = stream;
|
tmpstream->ts_strbuf = NULL;
|
tmpstream->ts_strbuf = NULL;
|
tmpstream->ts_buflen = 0;
|
tmpstream->ts_buflen = 0;
|
return file;
|
return file;
|
}
|
}
|
|
|
struct ui_file *
|
struct ui_file *
|
tui_sfileopen (n)
|
tui_sfileopen (n)
|
int n;
|
int n;
|
{
|
{
|
struct ui_file *file = tui_file_new ();
|
struct ui_file *file = tui_file_new ();
|
struct tui_stream *tmpstream = ui_file_data (file);
|
struct tui_stream *tmpstream = ui_file_data (file);
|
tmpstream->ts_streamtype = astring;
|
tmpstream->ts_streamtype = astring;
|
tmpstream->ts_filestream = NULL;
|
tmpstream->ts_filestream = NULL;
|
if (n > 0)
|
if (n > 0)
|
{
|
{
|
tmpstream->ts_strbuf = xmalloc ((n + 1) * sizeof (char));
|
tmpstream->ts_strbuf = xmalloc ((n + 1) * sizeof (char));
|
tmpstream->ts_strbuf[0] = '\0';
|
tmpstream->ts_strbuf[0] = '\0';
|
}
|
}
|
else
|
else
|
/* Do not allocate the buffer now. The first time something is printed
|
/* Do not allocate the buffer now. The first time something is printed
|
one will be allocated by tui_file_adjust_strbuf() */
|
one will be allocated by tui_file_adjust_strbuf() */
|
tmpstream->ts_strbuf = NULL;
|
tmpstream->ts_strbuf = NULL;
|
tmpstream->ts_buflen = n;
|
tmpstream->ts_buflen = n;
|
return file;
|
return file;
|
}
|
}
|
|
|
static int
|
static int
|
tui_file_isatty (file)
|
tui_file_isatty (file)
|
struct ui_file *file;
|
struct ui_file *file;
|
{
|
{
|
struct tui_stream *stream = ui_file_data (file);
|
struct tui_stream *stream = ui_file_data (file);
|
if (stream->ts_magic != &tui_file_magic)
|
if (stream->ts_magic != &tui_file_magic)
|
internal_error ("tui_file_isatty: bad magic number");
|
internal_error ("tui_file_isatty: bad magic number");
|
if (stream->ts_streamtype == afile)
|
if (stream->ts_streamtype == afile)
|
return (isatty (fileno (stream->ts_filestream)));
|
return (isatty (fileno (stream->ts_filestream)));
|
else
|
else
|
return 0;
|
return 0;
|
}
|
}
|
|
|
static void
|
static void
|
tui_file_rewind (file)
|
tui_file_rewind (file)
|
struct ui_file *file;
|
struct ui_file *file;
|
{
|
{
|
struct tui_stream *stream = ui_file_data (file);
|
struct tui_stream *stream = ui_file_data (file);
|
if (stream->ts_magic != &tui_file_magic)
|
if (stream->ts_magic != &tui_file_magic)
|
internal_error ("tui_file_rewind: bad magic number");
|
internal_error ("tui_file_rewind: bad magic number");
|
stream->ts_strbuf[0] = '\0';
|
stream->ts_strbuf[0] = '\0';
|
}
|
}
|
|
|
static void
|
static void
|
tui_file_put (struct ui_file *file,
|
tui_file_put (struct ui_file *file,
|
ui_file_put_method_ftype *write,
|
ui_file_put_method_ftype *write,
|
void *dest)
|
void *dest)
|
{
|
{
|
struct tui_stream *stream = ui_file_data (file);
|
struct tui_stream *stream = ui_file_data (file);
|
if (stream->ts_magic != &tui_file_magic)
|
if (stream->ts_magic != &tui_file_magic)
|
internal_error ("tui_file_put: bad magic number");
|
internal_error ("tui_file_put: bad magic number");
|
if (stream->ts_streamtype == astring)
|
if (stream->ts_streamtype == astring)
|
write (dest, stream->ts_strbuf, strlen (stream->ts_strbuf));
|
write (dest, stream->ts_strbuf, strlen (stream->ts_strbuf));
|
}
|
}
|
|
|
/* All TUI I/O sent to the *_filtered and *_unfiltered functions
|
/* All TUI I/O sent to the *_filtered and *_unfiltered functions
|
eventually ends up here. The fputs_unfiltered_hook is primarily
|
eventually ends up here. The fputs_unfiltered_hook is primarily
|
used by GUIs to collect all output and send it to the GUI, instead
|
used by GUIs to collect all output and send it to the GUI, instead
|
of the controlling terminal. Only output to gdb_stdout and
|
of the controlling terminal. Only output to gdb_stdout and
|
gdb_stderr are sent to the hook. Everything else is sent on to
|
gdb_stderr are sent to the hook. Everything else is sent on to
|
fputs to allow file I/O to be handled appropriately. */
|
fputs to allow file I/O to be handled appropriately. */
|
|
|
/* FIXME: Should be broken up and moved to a TUI specific file. */
|
/* FIXME: Should be broken up and moved to a TUI specific file. */
|
|
|
void
|
void
|
tui_file_fputs (linebuffer, file)
|
tui_file_fputs (linebuffer, file)
|
const char *linebuffer;
|
const char *linebuffer;
|
struct ui_file *file;
|
struct ui_file *file;
|
{
|
{
|
struct tui_stream *stream = ui_file_data (file);
|
struct tui_stream *stream = ui_file_data (file);
|
#if defined(TUI)
|
#if defined(TUI)
|
extern int tui_owns_terminal;
|
extern int tui_owns_terminal;
|
#endif
|
#endif
|
/* NOTE: cagney/1999-10-13: The use of fputs_unfiltered_hook is
|
/* NOTE: cagney/1999-10-13: The use of fputs_unfiltered_hook is
|
seriously discouraged. Those wanting to hook output should
|
seriously discouraged. Those wanting to hook output should
|
instead implement their own ui_file object and install that. See
|
instead implement their own ui_file object and install that. See
|
also tui_file_flush(). */
|
also tui_file_flush(). */
|
if (fputs_unfiltered_hook
|
if (fputs_unfiltered_hook
|
&& (file == gdb_stdout
|
&& (file == gdb_stdout
|
|| file == gdb_stderr))
|
|| file == gdb_stderr))
|
fputs_unfiltered_hook (linebuffer, file);
|
fputs_unfiltered_hook (linebuffer, file);
|
else
|
else
|
{
|
{
|
#if defined(TUI)
|
#if defined(TUI)
|
if (tui_version && tui_owns_terminal)
|
if (tui_version && tui_owns_terminal)
|
{
|
{
|
/* If we get here somehow while updating the TUI (from
|
/* If we get here somehow while updating the TUI (from
|
* within a tuiDo(), then we need to temporarily
|
* within a tuiDo(), then we need to temporarily
|
* set up the terminal for GDB output. This probably just
|
* set up the terminal for GDB output. This probably just
|
* happens on error output.
|
* happens on error output.
|
*/
|
*/
|
|
|
if (stream->ts_streamtype == astring)
|
if (stream->ts_streamtype == astring)
|
{
|
{
|
tui_file_adjust_strbuf (strlen (linebuffer), stream);
|
tui_file_adjust_strbuf (strlen (linebuffer), stream);
|
strcat (stream->ts_strbuf, linebuffer);
|
strcat (stream->ts_strbuf, linebuffer);
|
}
|
}
|
else
|
else
|
{
|
{
|
tuiTermUnsetup (0, (tui_version) ? cmdWin->detail.commandInfo.curch : 0);
|
tuiTermUnsetup (0, (tui_version) ? cmdWin->detail.commandInfo.curch : 0);
|
fputs (linebuffer, stream->ts_filestream);
|
fputs (linebuffer, stream->ts_filestream);
|
tuiTermSetup (0);
|
tuiTermSetup (0);
|
if (linebuffer[strlen (linebuffer) - 1] == '\n')
|
if (linebuffer[strlen (linebuffer) - 1] == '\n')
|
tuiClearCommandCharCount ();
|
tuiClearCommandCharCount ();
|
else
|
else
|
tuiIncrCommandCharCountBy (strlen (linebuffer));
|
tuiIncrCommandCharCountBy (strlen (linebuffer));
|
}
|
}
|
}
|
}
|
else
|
else
|
{
|
{
|
/* The normal case - just do a fputs() */
|
/* The normal case - just do a fputs() */
|
if (stream->ts_streamtype == astring)
|
if (stream->ts_streamtype == astring)
|
{
|
{
|
tui_file_adjust_strbuf (strlen (linebuffer), stream);
|
tui_file_adjust_strbuf (strlen (linebuffer), stream);
|
strcat (stream->ts_strbuf, linebuffer);
|
strcat (stream->ts_strbuf, linebuffer);
|
}
|
}
|
else
|
else
|
fputs (linebuffer, stream->ts_filestream);
|
fputs (linebuffer, stream->ts_filestream);
|
}
|
}
|
|
|
|
|
#else
|
#else
|
if (stream->ts_streamtype == astring)
|
if (stream->ts_streamtype == astring)
|
{
|
{
|
tui_file_adjust_strbuf (strlen (linebuffer), file);
|
tui_file_adjust_strbuf (strlen (linebuffer), file);
|
strcat (stream->ts_strbuf, linebuffer);
|
strcat (stream->ts_strbuf, linebuffer);
|
}
|
}
|
else
|
else
|
fputs (linebuffer, stream->ts_filestream);
|
fputs (linebuffer, stream->ts_filestream);
|
#endif
|
#endif
|
}
|
}
|
}
|
}
|
|
|
char *
|
char *
|
tui_file_get_strbuf (struct ui_file *file)
|
tui_file_get_strbuf (struct ui_file *file)
|
{
|
{
|
struct tui_stream *stream = ui_file_data (file);
|
struct tui_stream *stream = ui_file_data (file);
|
if (stream->ts_magic != &tui_file_magic)
|
if (stream->ts_magic != &tui_file_magic)
|
internal_error ("tui_file_get_strbuf: bad magic number");
|
internal_error ("tui_file_get_strbuf: bad magic number");
|
return (stream->ts_strbuf);
|
return (stream->ts_strbuf);
|
}
|
}
|
|
|
/* adjust the length of the buffer by the amount necessary
|
/* adjust the length of the buffer by the amount necessary
|
to accomodate appending a string of length N to the buffer contents */
|
to accomodate appending a string of length N to the buffer contents */
|
void
|
void
|
tui_file_adjust_strbuf (int n, struct ui_file *file)
|
tui_file_adjust_strbuf (int n, struct ui_file *file)
|
{
|
{
|
struct tui_stream *stream = ui_file_data (file);
|
struct tui_stream *stream = ui_file_data (file);
|
int non_null_chars;
|
int non_null_chars;
|
if (stream->ts_magic != &tui_file_magic)
|
if (stream->ts_magic != &tui_file_magic)
|
internal_error ("tui_file_adjust_strbuf: bad magic number");
|
internal_error ("tui_file_adjust_strbuf: bad magic number");
|
|
|
if (stream->ts_streamtype != astring)
|
if (stream->ts_streamtype != astring)
|
return;
|
return;
|
|
|
if (stream->ts_strbuf)
|
if (stream->ts_strbuf)
|
{
|
{
|
/* There is already a buffer allocated */
|
/* There is already a buffer allocated */
|
non_null_chars = strlen (stream->ts_strbuf);
|
non_null_chars = strlen (stream->ts_strbuf);
|
|
|
if (n > (stream->ts_buflen - non_null_chars - 1))
|
if (n > (stream->ts_buflen - non_null_chars - 1))
|
{
|
{
|
stream->ts_buflen = n + non_null_chars + 1;
|
stream->ts_buflen = n + non_null_chars + 1;
|
stream->ts_strbuf = xrealloc (stream->ts_strbuf, stream->ts_buflen);
|
stream->ts_strbuf = xrealloc (stream->ts_strbuf, stream->ts_buflen);
|
}
|
}
|
}
|
}
|
else
|
else
|
/* No buffer yet, so allocate one of the desired size */
|
/* No buffer yet, so allocate one of the desired size */
|
stream->ts_strbuf = xmalloc ((n + 1) * sizeof (char));
|
stream->ts_strbuf = xmalloc ((n + 1) * sizeof (char));
|
}
|
}
|
|
|
static void
|
static void
|
tui_file_flush (file)
|
tui_file_flush (file)
|
struct ui_file *file;
|
struct ui_file *file;
|
{
|
{
|
struct tui_stream *stream = ui_file_data (file);
|
struct tui_stream *stream = ui_file_data (file);
|
if (stream->ts_magic != &tui_file_magic)
|
if (stream->ts_magic != &tui_file_magic)
|
internal_error ("tui_file_flush: bad magic number");
|
internal_error ("tui_file_flush: bad magic number");
|
|
|
/* NOTE: cagney/1999-10-12: If we've been linked with code that uses
|
/* NOTE: cagney/1999-10-12: If we've been linked with code that uses
|
fputs_unfiltered_hook then we assume that it doesn't need to know
|
fputs_unfiltered_hook then we assume that it doesn't need to know
|
about flushes. Code that does need to know about flushes can
|
about flushes. Code that does need to know about flushes can
|
implement a proper ui_file object. */
|
implement a proper ui_file object. */
|
if (fputs_unfiltered_hook)
|
if (fputs_unfiltered_hook)
|
return;
|
return;
|
|
|
switch (stream->ts_streamtype)
|
switch (stream->ts_streamtype)
|
{
|
{
|
case astring:
|
case astring:
|
break;
|
break;
|
case afile:
|
case afile:
|
fflush (stream->ts_filestream);
|
fflush (stream->ts_filestream);
|
break;
|
break;
|
}
|
}
|
}
|
}
|
|
|
