Commit | Line | Data |
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fb40c209 | 1 | /* MI Console code. |
349c5d5f | 2 | |
618f726f | 3 | Copyright (C) 2000-2016 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" | |
fb40c209 AC |
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; | |
32 | ||
33 | struct mi_console_file | |
34 | { | |
35 | int *magic; | |
36 | struct ui_file *raw; | |
37 | struct ui_file *buffer; | |
38 | const char *prefix; | |
4389a95a | 39 | char quote; |
fb40c209 AC |
40 | }; |
41 | ||
2b03b41d SS |
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; | |
45 | ||
46 | /* Create a console that wraps the given output stream RAW with the | |
47 | string PREFIX and quoting it with QUOTE. */ | |
fb40c209 AC |
48 | |
49 | struct ui_file * | |
2b03b41d | 50 | mi_console_file_new (struct ui_file *raw, const char *prefix, char quote) |
fb40c209 AC |
51 | { |
52 | struct ui_file *ui_file = ui_file_new (); | |
70ba0933 | 53 | struct mi_console_file *mi_console = XNEW (struct mi_console_file); |
102040f0 | 54 | |
fb40c209 AC |
55 | mi_console->magic = &mi_console_file_magic; |
56 | mi_console->raw = raw; | |
57 | mi_console->buffer = mem_fileopen (); | |
58 | mi_console->prefix = prefix; | |
4389a95a | 59 | mi_console->quote = quote; |
fb40c209 AC |
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); | |
2b03b41d | 63 | |
fb40c209 AC |
64 | return ui_file; |
65 | } | |
66 | ||
67 | static void | |
68 | mi_console_file_delete (struct ui_file *file) | |
69 | { | |
19ba03f4 SM |
70 | struct mi_console_file *mi_console |
71 | = (struct mi_console_file *) ui_file_data (file); | |
102040f0 | 72 | |
fb40c209 | 73 | if (mi_console->magic != &mi_console_file_magic) |
8e65ff28 | 74 | internal_error (__FILE__, __LINE__, |
e2e0b3e5 | 75 | _("mi_console_file_delete: bad magic number")); |
2b03b41d | 76 | |
b8c9b27d | 77 | xfree (mi_console); |
fb40c209 AC |
78 | } |
79 | ||
80 | static void | |
2b03b41d | 81 | mi_console_file_fputs (const char *buf, struct ui_file *file) |
fb40c209 | 82 | { |
19ba03f4 SM |
83 | struct mi_console_file *mi_console |
84 | = (struct mi_console_file *) 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 | 101 | { |
19ba03f4 | 102 | struct mi_console_file *mi_console = (struct mi_console_file *) 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 | { | |
303a33fa | 113 | fputc_unfiltered (mi_console->quote, mi_console->raw); |
9a2b4c1b MS |
114 | fputstrn_unfiltered (buf, length_buf, |
115 | mi_console->quote, mi_console->raw); | |
303a33fa SM |
116 | fputc_unfiltered (mi_console->quote, mi_console->raw); |
117 | fputc_unfiltered ('\n', mi_console->raw); | |
4389a95a AC |
118 | } |
119 | else | |
120 | { | |
121 | fputstrn_unfiltered (buf, length_buf, 0, mi_console->raw); | |
303a33fa | 122 | fputc_unfiltered ('\n', mi_console->raw); |
4389a95a | 123 | } |
fb40c209 AC |
124 | gdb_flush (mi_console->raw); |
125 | } | |
126 | } | |
127 | ||
128 | static void | |
129 | mi_console_file_flush (struct ui_file *file) | |
130 | { | |
19ba03f4 SM |
131 | struct mi_console_file *mi_console |
132 | = (struct mi_console_file *) ui_file_data (file); | |
102040f0 | 133 | |
fb40c209 | 134 | if (mi_console->magic != &mi_console_file_magic) |
8e65ff28 | 135 | internal_error (__FILE__, __LINE__, |
e2e0b3e5 | 136 | _("mi_console_file_flush: bad magic number")); |
2b03b41d | 137 | |
fb40c209 AC |
138 | ui_file_put (mi_console->buffer, mi_console_raw_packet, mi_console); |
139 | ui_file_rewind (mi_console->buffer); | |
37ce89eb SS |
140 | |
141 | } | |
142 | ||
143 | /* Change the underlying stream of the console directly; this is | |
144 | useful as a minimum-impact way to reflect external changes like | |
145 | logging enable/disable. */ | |
146 | ||
147 | void | |
148 | mi_console_set_raw (struct ui_file *file, struct ui_file *raw) | |
149 | { | |
19ba03f4 SM |
150 | struct mi_console_file *mi_console |
151 | = (struct mi_console_file *) ui_file_data (file); | |
37ce89eb SS |
152 | |
153 | if (mi_console->magic != &mi_console_file_magic) | |
154 | internal_error (__FILE__, __LINE__, | |
155 | _("mi_console_file_set_raw: bad magic number")); | |
156 | ||
157 | mi_console->raw = raw; | |
fb40c209 | 158 | } |