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37ce89ebb2
* NEWS: Mention it. * interps.h (interp_set_logging_ftype): New typedef. (struct interp_procs): New field set_logging_proc. (current_interp_set_logging): Declare. * interps.c (current_interp_set_logging): New function. * cli/cli-logging.c: Include interps.h. (set_logging_redirect): Call current_interp_set_logging. (pop_output_files): Ditto. (handle_redirections): Ditto, plus skip ui-out redirect if MI. * mi/mi-console.h (mi_console_set_raw): Declare. * mi/mi-console.c (mi_console_set_raw): New function. * mi/mi-interp.c (saved_raw_stdout): New global. (mi_set_logging): New function. (_initialize_mi_interp): Add it to interp procs. * gdb.mi/mi-logging.exp: New file.
156 lines
4.6 KiB
C
156 lines
4.6 KiB
C
/* MI Console code.
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Copyright (C) 2000-2002, 2007-2012 Free Software Foundation, Inc.
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Contributed by Cygnus Solutions (a Red Hat company).
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This file is part of GDB.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>. */
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/* An MI console is a kind of ui_file stream that sends output to
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stdout, but encapsulated and prefixed with a distinctive string;
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for instance, error output is normally identified by a leading
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"&". */
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#include "defs.h"
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#include "mi-console.h"
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#include "gdb_string.h"
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static ui_file_fputs_ftype mi_console_file_fputs;
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static ui_file_flush_ftype mi_console_file_flush;
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static ui_file_delete_ftype mi_console_file_delete;
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struct mi_console_file
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{
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int *magic;
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struct ui_file *raw;
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struct ui_file *buffer;
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const char *prefix;
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char quote;
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};
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/* Use the address of this otherwise-unused global as a magic number
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identifying this class of ui_file objects. */
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static int mi_console_file_magic;
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/* Create a console that wraps the given output stream RAW with the
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string PREFIX and quoting it with QUOTE. */
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struct ui_file *
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mi_console_file_new (struct ui_file *raw, const char *prefix, char quote)
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{
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struct ui_file *ui_file = ui_file_new ();
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struct mi_console_file *mi_console = XMALLOC (struct mi_console_file);
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mi_console->magic = &mi_console_file_magic;
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mi_console->raw = raw;
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mi_console->buffer = mem_fileopen ();
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mi_console->prefix = prefix;
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mi_console->quote = quote;
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set_ui_file_fputs (ui_file, mi_console_file_fputs);
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set_ui_file_flush (ui_file, mi_console_file_flush);
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set_ui_file_data (ui_file, mi_console, mi_console_file_delete);
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return ui_file;
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}
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static void
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mi_console_file_delete (struct ui_file *file)
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{
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struct mi_console_file *mi_console = ui_file_data (file);
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if (mi_console->magic != &mi_console_file_magic)
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internal_error (__FILE__, __LINE__,
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_("mi_console_file_delete: bad magic number"));
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xfree (mi_console);
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}
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static void
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mi_console_file_fputs (const char *buf, struct ui_file *file)
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{
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struct mi_console_file *mi_console = ui_file_data (file);
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if (mi_console->magic != &mi_console_file_magic)
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internal_error (__FILE__, __LINE__,
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"mi_console_file_fputs: bad magic number");
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/* Append the text to our internal buffer. */
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fputs_unfiltered (buf, mi_console->buffer);
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/* Flush when an embedded newline is present anywhere in the buffer. */
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if (strchr (buf, '\n') != NULL)
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gdb_flush (file);
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}
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/* Transform a byte sequence into a console output packet. */
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static void
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mi_console_raw_packet (void *data, const char *buf, long length_buf)
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{
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struct mi_console_file *mi_console = data;
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if (mi_console->magic != &mi_console_file_magic)
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internal_error (__FILE__, __LINE__,
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_("mi_console_raw_packet: bad magic number"));
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if (length_buf > 0)
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{
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fputs_unfiltered (mi_console->prefix, mi_console->raw);
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if (mi_console->quote)
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{
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fputs_unfiltered ("\"", mi_console->raw);
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fputstrn_unfiltered (buf, length_buf,
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mi_console->quote, mi_console->raw);
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fputs_unfiltered ("\"\n", mi_console->raw);
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}
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else
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{
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fputstrn_unfiltered (buf, length_buf, 0, mi_console->raw);
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fputs_unfiltered ("\n", mi_console->raw);
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}
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gdb_flush (mi_console->raw);
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}
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}
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static void
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mi_console_file_flush (struct ui_file *file)
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{
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struct mi_console_file *mi_console = ui_file_data (file);
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if (mi_console->magic != &mi_console_file_magic)
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internal_error (__FILE__, __LINE__,
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_("mi_console_file_flush: bad magic number"));
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ui_file_put (mi_console->buffer, mi_console_raw_packet, mi_console);
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ui_file_rewind (mi_console->buffer);
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}
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/* Change the underlying stream of the console directly; this is
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useful as a minimum-impact way to reflect external changes like
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logging enable/disable. */
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void
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mi_console_set_raw (struct ui_file *file, struct ui_file *raw)
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{
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struct mi_console_file *mi_console = ui_file_data (file);
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if (mi_console->magic != &mi_console_file_magic)
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internal_error (__FILE__, __LINE__,
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_("mi_console_file_set_raw: bad magic number"));
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mi_console->raw = raw;
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}
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