OLD | NEW |
1 /* MI Console code. | 1 /* MI Console code. |
2 | 2 |
3 Copyright (C) 2000-2002, 2007-2012 Free Software Foundation, Inc. | 3 Copyright (C) 2000-2002, 2007-2012 Free Software Foundation, Inc. |
4 | 4 |
5 Contributed by Cygnus Solutions (a Red Hat company). | 5 Contributed by Cygnus Solutions (a Red Hat company). |
6 | 6 |
7 This file is part of GDB. | 7 This file is part of GDB. |
8 | 8 |
9 This program is free software; you can redistribute it and/or modify | 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 | 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 | 11 the Free Software Foundation; either version 3 of the License, or |
12 (at your option) any later version. | 12 (at your option) any later version. |
13 | 13 |
14 This program is distributed in the hope that it will be useful, | 14 This program is distributed in the hope that it will be useful, |
15 but WITHOUT ANY WARRANTY; without even the implied warranty of | 15 but WITHOUT ANY WARRANTY; without even the implied warranty of |
16 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | 16 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
17 GNU General Public License for more details. | 17 GNU General Public License for more details. |
18 | 18 |
19 You should have received a copy of the GNU General Public License | 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/>. */ | 20 along with this program. If not, see <http://www.gnu.org/licenses/>. */ |
21 | 21 |
| 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 |
22 #include "defs.h" | 27 #include "defs.h" |
23 #include "mi-console.h" | 28 #include "mi-console.h" |
24 #include "gdb_string.h" | 29 #include "gdb_string.h" |
25 | 30 |
26 /* MI-console: send output to std-out but correcty encapsulated */ | |
27 | |
28 static ui_file_fputs_ftype mi_console_file_fputs; | 31 static ui_file_fputs_ftype mi_console_file_fputs; |
29 static ui_file_flush_ftype mi_console_file_flush; | 32 static ui_file_flush_ftype mi_console_file_flush; |
30 static ui_file_delete_ftype mi_console_file_delete; | 33 static ui_file_delete_ftype mi_console_file_delete; |
31 | 34 |
32 struct mi_console_file | 35 struct mi_console_file |
33 { | 36 { |
34 int *magic; | 37 int *magic; |
35 struct ui_file *raw; | 38 struct ui_file *raw; |
36 struct ui_file *buffer; | 39 struct ui_file *buffer; |
37 const char *prefix; | 40 const char *prefix; |
38 char quote; | 41 char quote; |
39 }; | 42 }; |
40 | 43 |
41 int mi_console_file_magic; | 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. */ |
42 | 50 |
43 struct ui_file * | 51 struct ui_file * |
44 mi_console_file_new (struct ui_file *raw, | 52 mi_console_file_new (struct ui_file *raw, const char *prefix, char quote) |
45 » » const char *prefix, char quote) | |
46 { | 53 { |
47 struct ui_file *ui_file = ui_file_new (); | 54 struct ui_file *ui_file = ui_file_new (); |
48 struct mi_console_file *mi_console = XMALLOC (struct mi_console_file); | 55 struct mi_console_file *mi_console = XMALLOC (struct mi_console_file); |
49 | 56 |
50 mi_console->magic = &mi_console_file_magic; | 57 mi_console->magic = &mi_console_file_magic; |
51 mi_console->raw = raw; | 58 mi_console->raw = raw; |
52 mi_console->buffer = mem_fileopen (); | 59 mi_console->buffer = mem_fileopen (); |
53 mi_console->prefix = prefix; | 60 mi_console->prefix = prefix; |
54 mi_console->quote = quote; | 61 mi_console->quote = quote; |
55 set_ui_file_fputs (ui_file, mi_console_file_fputs); | 62 set_ui_file_fputs (ui_file, mi_console_file_fputs); |
56 set_ui_file_flush (ui_file, mi_console_file_flush); | 63 set_ui_file_flush (ui_file, mi_console_file_flush); |
57 set_ui_file_data (ui_file, mi_console, mi_console_file_delete); | 64 set_ui_file_data (ui_file, mi_console, mi_console_file_delete); |
| 65 |
58 return ui_file; | 66 return ui_file; |
59 } | 67 } |
60 | 68 |
61 static void | 69 static void |
62 mi_console_file_delete (struct ui_file *file) | 70 mi_console_file_delete (struct ui_file *file) |
63 { | 71 { |
64 struct mi_console_file *mi_console = ui_file_data (file); | 72 struct mi_console_file *mi_console = ui_file_data (file); |
65 | 73 |
66 if (mi_console->magic != &mi_console_file_magic) | 74 if (mi_console->magic != &mi_console_file_magic) |
67 internal_error (__FILE__, __LINE__, | 75 internal_error (__FILE__, __LINE__, |
68 _("mi_console_file_delete: bad magic number")); | 76 _("mi_console_file_delete: bad magic number")); |
| 77 |
69 xfree (mi_console); | 78 xfree (mi_console); |
70 } | 79 } |
71 | 80 |
72 static void | 81 static void |
73 mi_console_file_fputs (const char *buf, | 82 mi_console_file_fputs (const char *buf, struct ui_file *file) |
74 » » struct ui_file *file) | |
75 { | 83 { |
76 struct mi_console_file *mi_console = ui_file_data (file); | 84 struct mi_console_file *mi_console = ui_file_data (file); |
77 | 85 |
78 if (mi_console->magic != &mi_console_file_magic) | 86 if (mi_console->magic != &mi_console_file_magic) |
79 internal_error (__FILE__, __LINE__, | 87 internal_error (__FILE__, __LINE__, |
80 "mi_console_file_fputs: bad magic number"); | 88 "mi_console_file_fputs: bad magic number"); |
81 /* Append the text to our internal buffer */ | 89 |
| 90 /* Append the text to our internal buffer. */ |
82 fputs_unfiltered (buf, mi_console->buffer); | 91 fputs_unfiltered (buf, mi_console->buffer); |
83 /* Flush when an embedded \n */ | 92 /* Flush when an embedded newline is present anywhere in the buffer. */ |
84 if (strchr (buf, '\n') != NULL) | 93 if (strchr (buf, '\n') != NULL) |
85 gdb_flush (file); | 94 gdb_flush (file); |
86 } | 95 } |
87 | 96 |
88 /* Transform a byte sequence into a console output packet. */ | 97 /* Transform a byte sequence into a console output packet. */ |
| 98 |
89 static void | 99 static void |
90 mi_console_raw_packet (void *data, | 100 mi_console_raw_packet (void *data, const char *buf, long length_buf) |
91 » » const char *buf, | |
92 » » long length_buf) | |
93 { | 101 { |
94 struct mi_console_file *mi_console = data; | 102 struct mi_console_file *mi_console = data; |
95 | 103 |
96 if (mi_console->magic != &mi_console_file_magic) | 104 if (mi_console->magic != &mi_console_file_magic) |
97 internal_error (__FILE__, __LINE__, | 105 internal_error (__FILE__, __LINE__, |
98 » » _("mi_console_file_transform: bad magic number")); | 106 » » _("mi_console_raw_packet: bad magic number")); |
99 | 107 |
100 if (length_buf > 0) | 108 if (length_buf > 0) |
101 { | 109 { |
102 fputs_unfiltered (mi_console->prefix, mi_console->raw); | 110 fputs_unfiltered (mi_console->prefix, mi_console->raw); |
103 if (mi_console->quote) | 111 if (mi_console->quote) |
104 { | 112 { |
105 fputs_unfiltered ("\"", mi_console->raw); | 113 fputs_unfiltered ("\"", mi_console->raw); |
106 fputstrn_unfiltered (buf, length_buf, | 114 fputstrn_unfiltered (buf, length_buf, |
107 mi_console->quote, mi_console->raw); | 115 mi_console->quote, mi_console->raw); |
108 fputs_unfiltered ("\"\n", mi_console->raw); | 116 fputs_unfiltered ("\"\n", mi_console->raw); |
109 } | 117 } |
110 else | 118 else |
111 { | 119 { |
112 fputstrn_unfiltered (buf, length_buf, 0, mi_console->raw); | 120 fputstrn_unfiltered (buf, length_buf, 0, mi_console->raw); |
113 fputs_unfiltered ("\n", mi_console->raw); | 121 fputs_unfiltered ("\n", mi_console->raw); |
114 } | 122 } |
115 gdb_flush (mi_console->raw); | 123 gdb_flush (mi_console->raw); |
116 } | 124 } |
117 } | 125 } |
118 | 126 |
119 static void | 127 static void |
120 mi_console_file_flush (struct ui_file *file) | 128 mi_console_file_flush (struct ui_file *file) |
121 { | 129 { |
122 struct mi_console_file *mi_console = ui_file_data (file); | 130 struct mi_console_file *mi_console = ui_file_data (file); |
123 | 131 |
124 if (mi_console->magic != &mi_console_file_magic) | 132 if (mi_console->magic != &mi_console_file_magic) |
125 internal_error (__FILE__, __LINE__, | 133 internal_error (__FILE__, __LINE__, |
126 _("mi_console_file_flush: bad magic number")); | 134 _("mi_console_file_flush: bad magic number")); |
| 135 |
127 ui_file_put (mi_console->buffer, mi_console_raw_packet, mi_console); | 136 ui_file_put (mi_console->buffer, mi_console_raw_packet, mi_console); |
128 ui_file_rewind (mi_console->buffer); | 137 ui_file_rewind (mi_console->buffer); |
| 138 |
129 } | 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; |
| 155 } |
OLD | NEW |