3 Copyright (C) 2000-2015 Free Software Foundation, Inc.
5 Contributed by Cygnus Solutions (a Red Hat company).
7 This file is part of GDB.
9 This program is free software; you can redistribute it and/or modify
10 it under the terms of the GNU General Public License as published by
11 the Free Software Foundation; either version 3 of the License, or
12 (at your option) any later version.
14 This program is distributed in the hope that it will be useful,
15 but WITHOUT ANY WARRANTY; without even the implied warranty of
16 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 GNU General Public License for more details.
19 You should have received a copy of the GNU General Public License
20 along with this program. If not, see <http://www.gnu.org/licenses/>. */
22 /* An MI console is a kind of ui_file stream that sends output to
23 stdout, but encapsulated and prefixed with a distinctive string;
24 for instance, error output is normally identified by a leading
28 #include "mi-console.h"
29 static ui_file_fputs_ftype mi_console_file_fputs;
30 static ui_file_flush_ftype mi_console_file_flush;
31 static ui_file_delete_ftype mi_console_file_delete;
33 struct mi_console_file
37 struct ui_file *buffer;
42 /* Use the address of this otherwise-unused global as a magic number
43 identifying this class of ui_file objects. */
44 static int mi_console_file_magic;
46 /* Create a console that wraps the given output stream RAW with the
47 string PREFIX and quoting it with QUOTE. */
50 mi_console_file_new (struct ui_file *raw, const char *prefix, char quote)
52 struct ui_file *ui_file = ui_file_new ();
53 struct mi_console_file *mi_console = XNEW (struct mi_console_file);
55 mi_console->magic = &mi_console_file_magic;
56 mi_console->raw = raw;
57 mi_console->buffer = mem_fileopen ();
58 mi_console->prefix = prefix;
59 mi_console->quote = quote;
60 set_ui_file_fputs (ui_file, mi_console_file_fputs);
61 set_ui_file_flush (ui_file, mi_console_file_flush);
62 set_ui_file_data (ui_file, mi_console, mi_console_file_delete);
68 mi_console_file_delete (struct ui_file *file)
70 struct mi_console_file *mi_console = ui_file_data (file);
72 if (mi_console->magic != &mi_console_file_magic)
73 internal_error (__FILE__, __LINE__,
74 _("mi_console_file_delete: bad magic number"));
80 mi_console_file_fputs (const char *buf, struct ui_file *file)
82 struct mi_console_file *mi_console = ui_file_data (file);
84 if (mi_console->magic != &mi_console_file_magic)
85 internal_error (__FILE__, __LINE__,
86 "mi_console_file_fputs: bad magic number");
88 /* Append the text to our internal buffer. */
89 fputs_unfiltered (buf, mi_console->buffer);
90 /* Flush when an embedded newline is present anywhere in the buffer. */
91 if (strchr (buf, '\n') != NULL)
95 /* Transform a byte sequence into a console output packet. */
98 mi_console_raw_packet (void *data, const char *buf, long length_buf)
100 struct mi_console_file *mi_console = data;
102 if (mi_console->magic != &mi_console_file_magic)
103 internal_error (__FILE__, __LINE__,
104 _("mi_console_raw_packet: bad magic number"));
108 fputs_unfiltered (mi_console->prefix, mi_console->raw);
109 if (mi_console->quote)
111 fputc_unfiltered (mi_console->quote, mi_console->raw);
112 fputstrn_unfiltered (buf, length_buf,
113 mi_console->quote, mi_console->raw);
114 fputc_unfiltered (mi_console->quote, mi_console->raw);
115 fputc_unfiltered ('\n', mi_console->raw);
119 fputstrn_unfiltered (buf, length_buf, 0, mi_console->raw);
120 fputc_unfiltered ('\n', mi_console->raw);
122 gdb_flush (mi_console->raw);
127 mi_console_file_flush (struct ui_file *file)
129 struct mi_console_file *mi_console = ui_file_data (file);
131 if (mi_console->magic != &mi_console_file_magic)
132 internal_error (__FILE__, __LINE__,
133 _("mi_console_file_flush: bad magic number"));
135 ui_file_put (mi_console->buffer, mi_console_raw_packet, mi_console);
136 ui_file_rewind (mi_console->buffer);
140 /* Change the underlying stream of the console directly; this is
141 useful as a minimum-impact way to reflect external changes like
142 logging enable/disable. */
145 mi_console_set_raw (struct ui_file *file, struct ui_file *raw)
147 struct mi_console_file *mi_console = ui_file_data (file);
149 if (mi_console->magic != &mi_console_file_magic)
150 internal_error (__FILE__, __LINE__,
151 _("mi_console_file_set_raw: bad magic number"));
153 mi_console->raw = raw;