Commit | Line | Data |
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fb40c209 | 1 | /* MI Console code. |
349c5d5f | 2 | |
ecd75fc8 | 3 | Copyright (C) 2000-2014 Free Software Foundation, Inc. |
349c5d5f | 4 | |
ab91fdd5 | 5 | Contributed by Cygnus Solutions (a Red Hat company). |
fb40c209 AC |
6 | |
7 | This file is part of GDB. | |
8 | ||
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 | |
a9762ec7 | 11 | the Free Software Foundation; either version 3 of the License, or |
fb40c209 AC |
12 | (at your option) any later version. |
13 | ||
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. | |
18 | ||
19 | You should have received a copy of the GNU General Public License | |
a9762ec7 | 20 | along with this program. If not, see <http://www.gnu.org/licenses/>. */ |
fb40c209 | 21 | |
2b03b41d SS |
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 | |
25 | "&". */ | |
26 | ||
fb40c209 AC |
27 | #include "defs.h" |
28 | #include "mi-console.h" | |
0e9f083f | 29 | #include <string.h> |
fb40c209 | 30 | |
fb40c209 AC |
31 | static ui_file_fputs_ftype mi_console_file_fputs; |
32 | static ui_file_flush_ftype mi_console_file_flush; | |
33 | static ui_file_delete_ftype mi_console_file_delete; | |
34 | ||
35 | struct mi_console_file | |
36 | { | |
37 | int *magic; | |
38 | struct ui_file *raw; | |
39 | struct ui_file *buffer; | |
40 | const char *prefix; | |
4389a95a | 41 | char quote; |
fb40c209 AC |
42 | }; |
43 | ||
2b03b41d SS |
44 | /* Use the address of this otherwise-unused global as a magic number |
45 | identifying this class of ui_file objects. */ | |
46 | static int mi_console_file_magic; | |
47 | ||
48 | /* Create a console that wraps the given output stream RAW with the | |
49 | string PREFIX and quoting it with QUOTE. */ | |
fb40c209 AC |
50 | |
51 | struct ui_file * | |
2b03b41d | 52 | mi_console_file_new (struct ui_file *raw, const char *prefix, char quote) |
fb40c209 AC |
53 | { |
54 | struct ui_file *ui_file = ui_file_new (); | |
70ba0933 | 55 | struct mi_console_file *mi_console = XNEW (struct mi_console_file); |
102040f0 | 56 | |
fb40c209 AC |
57 | mi_console->magic = &mi_console_file_magic; |
58 | mi_console->raw = raw; | |
59 | mi_console->buffer = mem_fileopen (); | |
60 | mi_console->prefix = prefix; | |
4389a95a | 61 | mi_console->quote = quote; |
fb40c209 AC |
62 | set_ui_file_fputs (ui_file, mi_console_file_fputs); |
63 | set_ui_file_flush (ui_file, mi_console_file_flush); | |
64 | set_ui_file_data (ui_file, mi_console, mi_console_file_delete); | |
2b03b41d | 65 | |
fb40c209 AC |
66 | return ui_file; |
67 | } | |
68 | ||
69 | static void | |
70 | mi_console_file_delete (struct ui_file *file) | |
71 | { | |
72 | struct mi_console_file *mi_console = ui_file_data (file); | |
102040f0 | 73 | |
fb40c209 | 74 | if (mi_console->magic != &mi_console_file_magic) |
8e65ff28 | 75 | internal_error (__FILE__, __LINE__, |
e2e0b3e5 | 76 | _("mi_console_file_delete: bad magic number")); |
2b03b41d | 77 | |
b8c9b27d | 78 | xfree (mi_console); |
fb40c209 AC |
79 | } |
80 | ||
81 | static void | |
2b03b41d | 82 | mi_console_file_fputs (const char *buf, struct ui_file *file) |
fb40c209 AC |
83 | { |
84 | struct mi_console_file *mi_console = ui_file_data (file); | |
102040f0 | 85 | |
fb40c209 | 86 | if (mi_console->magic != &mi_console_file_magic) |
8e65ff28 AC |
87 | internal_error (__FILE__, __LINE__, |
88 | "mi_console_file_fputs: bad magic number"); | |
2b03b41d SS |
89 | |
90 | /* Append the text to our internal buffer. */ | |
fb40c209 | 91 | fputs_unfiltered (buf, mi_console->buffer); |
2b03b41d | 92 | /* Flush when an embedded newline is present anywhere in the buffer. */ |
fb40c209 AC |
93 | if (strchr (buf, '\n') != NULL) |
94 | gdb_flush (file); | |
95 | } | |
96 | ||
2b03b41d SS |
97 | /* Transform a byte sequence into a console output packet. */ |
98 | ||
fb40c209 | 99 | static void |
2b03b41d | 100 | mi_console_raw_packet (void *data, const char *buf, long length_buf) |
fb40c209 AC |
101 | { |
102 | struct mi_console_file *mi_console = data; | |
102040f0 | 103 | |
fb40c209 | 104 | if (mi_console->magic != &mi_console_file_magic) |
8e65ff28 | 105 | internal_error (__FILE__, __LINE__, |
2b03b41d | 106 | _("mi_console_raw_packet: bad magic number")); |
fb40c209 AC |
107 | |
108 | if (length_buf > 0) | |
109 | { | |
110 | fputs_unfiltered (mi_console->prefix, mi_console->raw); | |
4389a95a AC |
111 | if (mi_console->quote) |
112 | { | |
113 | fputs_unfiltered ("\"", mi_console->raw); | |
9a2b4c1b MS |
114 | fputstrn_unfiltered (buf, length_buf, |
115 | mi_console->quote, mi_console->raw); | |
4389a95a AC |
116 | fputs_unfiltered ("\"\n", mi_console->raw); |
117 | } | |
118 | else | |
119 | { | |
120 | fputstrn_unfiltered (buf, length_buf, 0, mi_console->raw); | |
121 | fputs_unfiltered ("\n", mi_console->raw); | |
122 | } | |
fb40c209 AC |
123 | gdb_flush (mi_console->raw); |
124 | } | |
125 | } | |
126 | ||
127 | static void | |
128 | mi_console_file_flush (struct ui_file *file) | |
129 | { | |
130 | struct mi_console_file *mi_console = ui_file_data (file); | |
102040f0 | 131 | |
fb40c209 | 132 | if (mi_console->magic != &mi_console_file_magic) |
8e65ff28 | 133 | internal_error (__FILE__, __LINE__, |
e2e0b3e5 | 134 | _("mi_console_file_flush: bad magic number")); |
2b03b41d | 135 | |
fb40c209 AC |
136 | ui_file_put (mi_console->buffer, mi_console_raw_packet, mi_console); |
137 | ui_file_rewind (mi_console->buffer); | |
37ce89eb SS |
138 | |
139 | } | |
140 | ||
141 | /* Change the underlying stream of the console directly; this is | |
142 | useful as a minimum-impact way to reflect external changes like | |
143 | logging enable/disable. */ | |
144 | ||
145 | void | |
146 | mi_console_set_raw (struct ui_file *file, struct ui_file *raw) | |
147 | { | |
148 | struct mi_console_file *mi_console = ui_file_data (file); | |
149 | ||
150 | if (mi_console->magic != &mi_console_file_magic) | |
151 | internal_error (__FILE__, __LINE__, | |
152 | _("mi_console_file_set_raw: bad magic number")); | |
153 | ||
154 | mi_console->raw = raw; | |
fb40c209 | 155 | } |