| 1 | /* MI Command Set - output generating routines. |
| 2 | |
| 3 | Copyright (C) 2000-2016 Free Software Foundation, Inc. |
| 4 | |
| 5 | Contributed by Cygnus Solutions (a Red Hat company). |
| 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 |
| 11 | the Free Software Foundation; either version 3 of the License, or |
| 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 |
| 20 | along with this program. If not, see <http://www.gnu.org/licenses/>. */ |
| 21 | |
| 22 | #include "defs.h" |
| 23 | #include "ui-out.h" |
| 24 | #include "mi-out.h" |
| 25 | #include <vector> |
| 26 | |
| 27 | /* Mark beginning of a table. */ |
| 28 | |
| 29 | void |
| 30 | mi_ui_out::do_table_begin (int nr_cols, int nr_rows, |
| 31 | const char *tblid) |
| 32 | { |
| 33 | open (tblid, ui_out_type_tuple); |
| 34 | do_field_int (-1, -1, ui_left, "nr_rows", nr_rows); |
| 35 | do_field_int (-1, -1, ui_left, "nr_cols", nr_cols); |
| 36 | open ("hdr", ui_out_type_list); |
| 37 | } |
| 38 | |
| 39 | /* Mark beginning of a table body. */ |
| 40 | |
| 41 | void |
| 42 | mi_ui_out::do_table_body () |
| 43 | { |
| 44 | /* close the table header line if there were any headers */ |
| 45 | close (ui_out_type_list); |
| 46 | open ("body", ui_out_type_list); |
| 47 | } |
| 48 | |
| 49 | /* Mark end of a table. */ |
| 50 | |
| 51 | void |
| 52 | mi_ui_out::do_table_end () |
| 53 | { |
| 54 | close (ui_out_type_list); /* body */ |
| 55 | close (ui_out_type_tuple); |
| 56 | } |
| 57 | |
| 58 | /* Specify table header. */ |
| 59 | |
| 60 | void |
| 61 | mi_ui_out::do_table_header (int width, ui_align alignment, |
| 62 | const std::string &col_name, |
| 63 | const std::string &col_hdr) |
| 64 | { |
| 65 | open (NULL, ui_out_type_tuple); |
| 66 | do_field_int (0, 0, ui_center, "width", width); |
| 67 | do_field_int (0, 0, ui_center, "alignment", alignment); |
| 68 | do_field_string (0, 0, ui_center, "col_name", col_name.c_str ()); |
| 69 | do_field_string (0, width, alignment, "colhdr", col_hdr.c_str ()); |
| 70 | close (ui_out_type_tuple); |
| 71 | } |
| 72 | |
| 73 | /* Mark beginning of a list. */ |
| 74 | |
| 75 | void |
| 76 | mi_ui_out::do_begin (ui_out_type type, const char *id) |
| 77 | { |
| 78 | open (id, type); |
| 79 | } |
| 80 | |
| 81 | /* Mark end of a list. */ |
| 82 | |
| 83 | void |
| 84 | mi_ui_out::do_end (ui_out_type type) |
| 85 | { |
| 86 | close (type); |
| 87 | } |
| 88 | |
| 89 | /* Output an int field. */ |
| 90 | |
| 91 | void |
| 92 | mi_ui_out::do_field_int (int fldno, int width, ui_align alignment, |
| 93 | const char *fldname, int value) |
| 94 | { |
| 95 | char buffer[20]; /* FIXME: how many chars long a %d can become? */ |
| 96 | |
| 97 | xsnprintf (buffer, sizeof (buffer), "%d", value); |
| 98 | do_field_string (fldno, width, alignment, fldname, buffer); |
| 99 | } |
| 100 | |
| 101 | /* Used to omit a field. */ |
| 102 | |
| 103 | void |
| 104 | mi_ui_out::do_field_skip (int fldno, int width, ui_align alignment, |
| 105 | const char *fldname) |
| 106 | { |
| 107 | } |
| 108 | |
| 109 | /* Other specific mi_field_* end up here so alignment and field |
| 110 | separators are both handled by mi_field_string. */ |
| 111 | |
| 112 | void |
| 113 | mi_ui_out::do_field_string (int fldno, int width, ui_align align, |
| 114 | const char *fldname, const char *string) |
| 115 | { |
| 116 | ui_file *stream = m_streams.back (); |
| 117 | field_separator (); |
| 118 | |
| 119 | if (fldname) |
| 120 | fprintf_unfiltered (stream, "%s=", fldname); |
| 121 | fprintf_unfiltered (stream, "\""); |
| 122 | if (string) |
| 123 | fputstr_unfiltered (string, '"', stream); |
| 124 | fprintf_unfiltered (stream, "\""); |
| 125 | } |
| 126 | |
| 127 | /* This is the only field function that does not align. */ |
| 128 | |
| 129 | void |
| 130 | mi_ui_out::do_field_fmt (int fldno, int width, ui_align align, |
| 131 | const char *fldname, const char *format, |
| 132 | va_list args) |
| 133 | { |
| 134 | ui_file *stream = m_streams.back (); |
| 135 | field_separator (); |
| 136 | |
| 137 | if (fldname) |
| 138 | fprintf_unfiltered (stream, "%s=\"", fldname); |
| 139 | else |
| 140 | fputs_unfiltered ("\"", stream); |
| 141 | vfprintf_unfiltered (stream, format, args); |
| 142 | fputs_unfiltered ("\"", stream); |
| 143 | } |
| 144 | |
| 145 | void |
| 146 | mi_ui_out::do_spaces (int numspaces) |
| 147 | { |
| 148 | } |
| 149 | |
| 150 | void |
| 151 | mi_ui_out::do_text (const char *string) |
| 152 | { |
| 153 | } |
| 154 | |
| 155 | void |
| 156 | mi_ui_out::do_message (const char *format, va_list args) |
| 157 | { |
| 158 | } |
| 159 | |
| 160 | void |
| 161 | mi_ui_out::do_wrap_hint (const char *identstring) |
| 162 | { |
| 163 | wrap_here (identstring); |
| 164 | } |
| 165 | |
| 166 | void |
| 167 | mi_ui_out::do_flush () |
| 168 | { |
| 169 | |
| 170 | gdb_flush (m_streams.back ()); |
| 171 | } |
| 172 | |
| 173 | int |
| 174 | mi_ui_out::do_redirect (ui_file *outstream) |
| 175 | { |
| 176 | if (outstream != NULL) |
| 177 | m_streams.push_back (outstream); |
| 178 | else |
| 179 | m_streams.pop_back (); |
| 180 | |
| 181 | return 0; |
| 182 | } |
| 183 | |
| 184 | void |
| 185 | mi_ui_out::field_separator () |
| 186 | { |
| 187 | if (m_suppress_field_separator) |
| 188 | m_suppress_field_separator = false; |
| 189 | else |
| 190 | fputc_unfiltered (',', m_streams.back ()); |
| 191 | } |
| 192 | |
| 193 | void |
| 194 | mi_ui_out::open (const char *name, ui_out_type type) |
| 195 | { |
| 196 | ui_file *stream = m_streams.back (); |
| 197 | |
| 198 | field_separator (); |
| 199 | m_suppress_field_separator = true; |
| 200 | |
| 201 | if (name) |
| 202 | fprintf_unfiltered (stream, "%s=", name); |
| 203 | |
| 204 | switch (type) |
| 205 | { |
| 206 | case ui_out_type_tuple: |
| 207 | fputc_unfiltered ('{', stream); |
| 208 | break; |
| 209 | |
| 210 | case ui_out_type_list: |
| 211 | fputc_unfiltered ('[', stream); |
| 212 | break; |
| 213 | |
| 214 | default: |
| 215 | internal_error (__FILE__, __LINE__, _("bad switch")); |
| 216 | } |
| 217 | } |
| 218 | |
| 219 | void |
| 220 | mi_ui_out::close (ui_out_type type) |
| 221 | { |
| 222 | ui_file *stream = m_streams.back (); |
| 223 | |
| 224 | switch (type) |
| 225 | { |
| 226 | case ui_out_type_tuple: |
| 227 | fputc_unfiltered ('}', stream); |
| 228 | break; |
| 229 | |
| 230 | case ui_out_type_list: |
| 231 | fputc_unfiltered (']', stream); |
| 232 | break; |
| 233 | |
| 234 | default: |
| 235 | internal_error (__FILE__, __LINE__, _("bad switch")); |
| 236 | } |
| 237 | |
| 238 | m_suppress_field_separator = false; |
| 239 | } |
| 240 | |
| 241 | /* Clear the buffer. */ |
| 242 | |
| 243 | void |
| 244 | mi_ui_out::rewind () |
| 245 | { |
| 246 | ui_file_rewind (m_streams.back ()); |
| 247 | } |
| 248 | |
| 249 | /* Dump the buffer onto the specified stream. */ |
| 250 | |
| 251 | void |
| 252 | mi_ui_out::put (ui_file *stream) |
| 253 | { |
| 254 | ui_file *outstream = m_streams.back (); |
| 255 | |
| 256 | ui_file_put (outstream, ui_file_write_for_put, stream); |
| 257 | ui_file_rewind (outstream); |
| 258 | } |
| 259 | |
| 260 | /* Return the current MI version. */ |
| 261 | |
| 262 | int |
| 263 | mi_ui_out::version () |
| 264 | { |
| 265 | return m_mi_version; |
| 266 | } |
| 267 | |
| 268 | /* Constructor for an `mi_out_data' object. */ |
| 269 | |
| 270 | mi_ui_out::mi_ui_out (int mi_version, ui_file *stream) |
| 271 | : m_suppress_field_separator (false), |
| 272 | m_suppress_output (false), |
| 273 | m_mi_version (mi_version) |
| 274 | { |
| 275 | gdb_assert (stream != NULL); |
| 276 | |
| 277 | m_streams.push_back (stream); |
| 278 | } |
| 279 | |
| 280 | mi_ui_out::~mi_ui_out () |
| 281 | { |
| 282 | } |
| 283 | |
| 284 | /* Initialize private members at startup. */ |
| 285 | |
| 286 | mi_ui_out * |
| 287 | mi_out_new (int mi_version) |
| 288 | { |
| 289 | ui_file *stream = mem_fileopen (); |
| 290 | |
| 291 | return new mi_ui_out (mi_version, stream); |
| 292 | } |
| 293 | |
| 294 | /* Helper function to return the given UIOUT as an mi_ui_out. It is an error |
| 295 | to call this function with an ui_out that is not an MI. */ |
| 296 | |
| 297 | static mi_ui_out * |
| 298 | as_mi_ui_out (ui_out *uiout) |
| 299 | { |
| 300 | mi_ui_out *mi_uiout = dynamic_cast<mi_ui_out *> (uiout); |
| 301 | |
| 302 | gdb_assert (mi_uiout != NULL); |
| 303 | |
| 304 | return mi_uiout; |
| 305 | } |
| 306 | |
| 307 | int |
| 308 | mi_version (ui_out *uiout) |
| 309 | { |
| 310 | return as_mi_ui_out (uiout)->version (); |
| 311 | } |
| 312 | |
| 313 | void |
| 314 | mi_out_put (ui_out *uiout, struct ui_file *stream) |
| 315 | { |
| 316 | return as_mi_ui_out (uiout)->put (stream); |
| 317 | } |
| 318 | |
| 319 | void |
| 320 | mi_out_rewind (ui_out *uiout) |
| 321 | { |
| 322 | return as_mi_ui_out (uiout)->rewind (); |
| 323 | } |