/* UI_FILE - a generic STDIO like output stream.
- Copyright 1999, 2000, 2001 Free Software Foundation, Inc.
+ Copyright (C) 1999-2019 Free Software Foundation, Inc.
This file is part of GDB.
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., 59 Temple Place - Suite 330,
- Boston, MA 02111-1307, USA. */
+ along with this program. If not, see <http://www.gnu.org/licenses/>. */
#include "defs.h"
-#include "ui-file.h"
#include "tui/tui-file.h"
-
-#ifdef TUI
+#include "tui/tui-io.h"
+#include "tui/tui-command.h"
#include "tui.h"
-#include "tuiData.h"
-#include "tuiIO.h"
-#include "tuiCommand.h"
-#endif
-
-#include <string.h>
-
-/* Called instead of fputs for all TUI_FILE output. */
-
-void (*fputs_unfiltered_hook) (const char *linebuffer,
- struct ui_file * stream);
-
-/* A ``struct ui_file'' that is compatible with all the legacy
- code. */
-
-/* new */
-enum streamtype
-{
- afile,
- astring
-};
-
-/* new */
-struct tui_stream
-{
- int *ts_magic;
- enum streamtype ts_streamtype;
- FILE *ts_filestream;
- char *ts_strbuf;
- int ts_buflen;
-};
-
-static ui_file_flush_ftype tui_file_flush;
-extern ui_file_fputs_ftype tui_file_fputs;
-static ui_file_isatty_ftype tui_file_isatty;
-static ui_file_rewind_ftype tui_file_rewind;
-static ui_file_put_ftype tui_file_put;
-static ui_file_delete_ftype tui_file_delete;
-static struct ui_file *tui_file_new (void);
-static int tui_file_magic;
-
-static struct ui_file *
-tui_file_new (void)
-{
- struct tui_stream *tui = xmalloc (sizeof (struct tui_stream));
- struct ui_file *file = ui_file_new ();
- set_ui_file_data (file, tui, tui_file_delete);
- set_ui_file_flush (file, tui_file_flush);
- set_ui_file_fputs (file, tui_file_fputs);
- set_ui_file_isatty (file, tui_file_isatty);
- set_ui_file_rewind (file, tui_file_rewind);
- set_ui_file_put (file, tui_file_put);
- tui->ts_magic = &tui_file_magic;
- return file;
-}
-static void
-tui_file_delete (struct ui_file *file)
-{
- struct tui_stream *tmpstream = ui_file_data (file);
- if (tmpstream->ts_magic != &tui_file_magic)
- internal_error (__FILE__, __LINE__,
- "tui_file_delete: bad magic number");
- if ((tmpstream->ts_streamtype == astring) &&
- (tmpstream->ts_strbuf != NULL))
- {
- xfree (tmpstream->ts_strbuf);
- }
- xfree (tmpstream);
-}
-
-struct ui_file *
-tui_fileopen (FILE *stream)
-{
- struct ui_file *file = tui_file_new ();
- struct tui_stream *tmpstream = ui_file_data (file);
- tmpstream->ts_streamtype = afile;
- tmpstream->ts_filestream = stream;
- tmpstream->ts_strbuf = NULL;
- tmpstream->ts_buflen = 0;
- return file;
-}
-
-struct ui_file *
-tui_sfileopen (int n)
-{
- struct ui_file *file = tui_file_new ();
- struct tui_stream *tmpstream = ui_file_data (file);
- tmpstream->ts_streamtype = astring;
- tmpstream->ts_filestream = NULL;
- if (n > 0)
- {
- tmpstream->ts_strbuf = xmalloc ((n + 1) * sizeof (char));
- tmpstream->ts_strbuf[0] = '\0';
- }
- else
- /* Do not allocate the buffer now. The first time something is printed
- one will be allocated by tui_file_adjust_strbuf() */
- tmpstream->ts_strbuf = NULL;
- tmpstream->ts_buflen = n;
- return file;
-}
-
-static int
-tui_file_isatty (struct ui_file *file)
-{
- struct tui_stream *stream = ui_file_data (file);
- if (stream->ts_magic != &tui_file_magic)
- internal_error (__FILE__, __LINE__,
- "tui_file_isatty: bad magic number");
- if (stream->ts_streamtype == afile)
- return (isatty (fileno (stream->ts_filestream)));
- else
- return 0;
-}
-
-static void
-tui_file_rewind (struct ui_file *file)
-{
- struct tui_stream *stream = ui_file_data (file);
- if (stream->ts_magic != &tui_file_magic)
- internal_error (__FILE__, __LINE__,
- "tui_file_rewind: bad magic number");
- stream->ts_strbuf[0] = '\0';
-}
-
-static void
-tui_file_put (struct ui_file *file,
- ui_file_put_method_ftype *write,
- void *dest)
-{
- struct tui_stream *stream = ui_file_data (file);
- if (stream->ts_magic != &tui_file_magic)
- internal_error (__FILE__, __LINE__,
- "tui_file_put: bad magic number");
- if (stream->ts_streamtype == astring)
- write (dest, stream->ts_strbuf, strlen (stream->ts_strbuf));
-}
+tui_file::tui_file (FILE *stream)
+ : stdio_file (stream)
+{}
/* All TUI I/O sent to the *_filtered and *_unfiltered functions
eventually ends up here. The fputs_unfiltered_hook is primarily
gdb_stderr are sent to the hook. Everything else is sent on to
fputs to allow file I/O to be handled appropriately. */
-/* FIXME: Should be broken up and moved to a TUI specific file. */
-
void
-tui_file_fputs (const char *linebuffer, struct ui_file *file)
+tui_file::puts (const char *linebuffer)
{
- struct tui_stream *stream = ui_file_data (file);
-#if defined(TUI)
- extern int tui_owns_terminal;
-#endif
- /* NOTE: cagney/1999-10-13: The use of fputs_unfiltered_hook is
- seriously discouraged. Those wanting to hook output should
- instead implement their own ui_file object and install that. See
- also tui_file_flush(). */
- if (fputs_unfiltered_hook
- && (file == gdb_stdout
- || file == gdb_stderr))
- fputs_unfiltered_hook (linebuffer, file);
- else
- {
-#if defined(TUI)
- if (tui_version && tui_owns_terminal)
- {
- /* If we get here somehow while updating the TUI (from
- * within a tuiDo(), then we need to temporarily
- * set up the terminal for GDB output. This probably just
- * happens on error output.
- */
-
- if (stream->ts_streamtype == astring)
- {
- tui_file_adjust_strbuf (strlen (linebuffer), file);
- strcat (stream->ts_strbuf, linebuffer);
- }
- else
- {
- tuiTermUnsetup (0, (tui_version) ? cmdWin->detail.commandInfo.curch : 0);
- fputs (linebuffer, stream->ts_filestream);
- tuiTermSetup (0);
- if (linebuffer[strlen (linebuffer) - 1] == '\n')
- tuiClearCommandCharCount ();
- else
- tuiIncrCommandCharCountBy (strlen (linebuffer));
- }
- }
- else
- {
- /* The normal case - just do a fputs() */
- if (stream->ts_streamtype == astring)
- {
- tui_file_adjust_strbuf (strlen (linebuffer), file);
- strcat (stream->ts_strbuf, linebuffer);
- }
- else
- fputs (linebuffer, stream->ts_filestream);
- }
-
-
-#else
- if (stream->ts_streamtype == astring)
- {
- tui_file_adjust_strbuf (strlen (linebuffer), file);
- strcat (stream->ts_strbuf, linebuffer);
- }
- else
- fputs (linebuffer, stream->ts_filestream);
-#endif
- }
+ tui_puts (linebuffer);
+ /* gdb_stdout is buffered, and the caller must gdb_flush it at
+ appropriate times. Other streams are not so buffered. */
+ if (this != gdb_stdout)
+ tui_refresh_cmd_win ();
}
-char *
-tui_file_get_strbuf (struct ui_file *file)
-{
- struct tui_stream *stream = ui_file_data (file);
- if (stream->ts_magic != &tui_file_magic)
- internal_error (__FILE__, __LINE__,
- "tui_file_get_strbuf: bad magic number");
- return (stream->ts_strbuf);
-}
-
-/* adjust the length of the buffer by the amount necessary
- to accomodate appending a string of length N to the buffer contents */
void
-tui_file_adjust_strbuf (int n, struct ui_file *file)
+tui_file::write (const char *buf, long length_buf)
{
- struct tui_stream *stream = ui_file_data (file);
- int non_null_chars;
- if (stream->ts_magic != &tui_file_magic)
- internal_error (__FILE__, __LINE__,
- "tui_file_adjust_strbuf: bad magic number");
-
- if (stream->ts_streamtype != astring)
- return;
-
- if (stream->ts_strbuf)
- {
- /* There is already a buffer allocated */
- non_null_chars = strlen (stream->ts_strbuf);
-
- if (n > (stream->ts_buflen - non_null_chars - 1))
- {
- stream->ts_buflen = n + non_null_chars + 1;
- stream->ts_strbuf = xrealloc (stream->ts_strbuf, stream->ts_buflen);
- }
- }
- else
- /* No buffer yet, so allocate one of the desired size */
- stream->ts_strbuf = xmalloc ((n + 1) * sizeof (char));
+ tui_write (buf, length_buf);
+ /* gdb_stdout is buffered, and the caller must gdb_flush it at
+ appropriate times. Other streams are not so buffered. */
+ if (this != gdb_stdout)
+ tui_refresh_cmd_win ();
}
-static void
-tui_file_flush (struct ui_file *file)
+void
+tui_file::flush ()
{
- struct tui_stream *stream = ui_file_data (file);
- if (stream->ts_magic != &tui_file_magic)
- internal_error (__FILE__, __LINE__,
- "tui_file_flush: bad magic number");
-
- /* 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
- about flushes. Code that does need to know about flushes can
- implement a proper ui_file object. */
- if (fputs_unfiltered_hook)
- return;
-
- switch (stream->ts_streamtype)
- {
- case astring:
- break;
- case afile:
- fflush (stream->ts_filestream);
- break;
- }
+ /* gdb_stdout is buffered. Other files are always flushed on
+ every write. */
+ if (this == gdb_stdout)
+ tui_refresh_cmd_win ();
+ stdio_file::flush ();
}
projects / deliverable / binutils-gdb.git / blobdiff