| 1 | /* MI Command Set - varobj commands. |
| 2 | |
| 3 | Copyright (C) 2000, 2002, 2004, 2005, 2007, 2008 |
| 4 | Free Software Foundation, Inc. |
| 5 | |
| 6 | Contributed by Cygnus Solutions (a Red Hat company). |
| 7 | |
| 8 | This file is part of GDB. |
| 9 | |
| 10 | This program is free software; you can redistribute it and/or modify |
| 11 | it under the terms of the GNU General Public License as published by |
| 12 | the Free Software Foundation; either version 3 of the License, or |
| 13 | (at your option) any later version. |
| 14 | |
| 15 | This program is distributed in the hope that it will be useful, |
| 16 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 17 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 18 | GNU General Public License for more details. |
| 19 | |
| 20 | You should have received a copy of the GNU General Public License |
| 21 | along with this program. If not, see <http://www.gnu.org/licenses/>. */ |
| 22 | |
| 23 | #include "defs.h" |
| 24 | #include "mi-cmds.h" |
| 25 | #include "ui-out.h" |
| 26 | #include "mi-out.h" |
| 27 | #include "varobj.h" |
| 28 | #include "value.h" |
| 29 | #include <ctype.h> |
| 30 | #include "gdb_string.h" |
| 31 | #include "mi-getopt.h" |
| 32 | #include "gdbthread.h" |
| 33 | |
| 34 | const char mi_no_values[] = "--no-values"; |
| 35 | const char mi_simple_values[] = "--simple-values"; |
| 36 | const char mi_all_values[] = "--all-values"; |
| 37 | |
| 38 | extern int varobjdebug; /* defined in varobj.c. */ |
| 39 | |
| 40 | static void varobj_update_one (struct varobj *var, |
| 41 | enum print_values print_values, |
| 42 | int explicit); |
| 43 | |
| 44 | static int mi_print_value_p (struct type *type, enum print_values print_values); |
| 45 | |
| 46 | /* Print variable object VAR. The PRINT_VALUES parameter controls |
| 47 | if the value should be printed. The PRINT_EXPRESSION parameter |
| 48 | controls if the expression should be printed. */ |
| 49 | static void |
| 50 | print_varobj (struct varobj *var, enum print_values print_values, |
| 51 | int print_expression) |
| 52 | { |
| 53 | struct type *gdb_type; |
| 54 | char *type; |
| 55 | int thread_id; |
| 56 | |
| 57 | ui_out_field_string (uiout, "name", varobj_get_objname (var)); |
| 58 | if (print_expression) |
| 59 | ui_out_field_string (uiout, "exp", varobj_get_expression (var)); |
| 60 | ui_out_field_int (uiout, "numchild", varobj_get_num_children (var)); |
| 61 | |
| 62 | if (mi_print_value_p (varobj_get_gdb_type (var), print_values)) |
| 63 | ui_out_field_string (uiout, "value", varobj_get_value (var)); |
| 64 | |
| 65 | type = varobj_get_type (var); |
| 66 | if (type != NULL) |
| 67 | { |
| 68 | ui_out_field_string (uiout, "type", type); |
| 69 | xfree (type); |
| 70 | } |
| 71 | |
| 72 | thread_id = varobj_get_thread_id (var); |
| 73 | if (thread_id > 0) |
| 74 | ui_out_field_int (uiout, "thread-id", thread_id); |
| 75 | |
| 76 | if (varobj_get_frozen (var)) |
| 77 | ui_out_field_int (uiout, "frozen", 1); |
| 78 | } |
| 79 | |
| 80 | /* VAROBJ operations */ |
| 81 | |
| 82 | void |
| 83 | mi_cmd_var_create (char *command, char **argv, int argc) |
| 84 | { |
| 85 | CORE_ADDR frameaddr = 0; |
| 86 | struct varobj *var; |
| 87 | char *name; |
| 88 | char *frame; |
| 89 | char *expr; |
| 90 | struct cleanup *old_cleanups; |
| 91 | enum varobj_type var_type; |
| 92 | |
| 93 | if (argc != 3) |
| 94 | { |
| 95 | /* mi_error_message = xstrprintf ("mi_cmd_var_create: Usage: |
| 96 | ...."); return MI_CMD_ERROR; */ |
| 97 | error (_("mi_cmd_var_create: Usage: NAME FRAME EXPRESSION.")); |
| 98 | } |
| 99 | |
| 100 | name = xstrdup (argv[0]); |
| 101 | /* Add cleanup for name. Must be free_current_contents as |
| 102 | name can be reallocated */ |
| 103 | old_cleanups = make_cleanup (free_current_contents, &name); |
| 104 | |
| 105 | frame = xstrdup (argv[1]); |
| 106 | make_cleanup (xfree, frame); |
| 107 | |
| 108 | expr = xstrdup (argv[2]); |
| 109 | make_cleanup (xfree, expr); |
| 110 | |
| 111 | if (strcmp (name, "-") == 0) |
| 112 | { |
| 113 | xfree (name); |
| 114 | name = varobj_gen_name (); |
| 115 | } |
| 116 | else if (!isalpha (*name)) |
| 117 | error (_("mi_cmd_var_create: name of object must begin with a letter")); |
| 118 | |
| 119 | if (strcmp (frame, "*") == 0) |
| 120 | var_type = USE_CURRENT_FRAME; |
| 121 | else if (strcmp (frame, "@") == 0) |
| 122 | var_type = USE_SELECTED_FRAME; |
| 123 | else |
| 124 | { |
| 125 | var_type = USE_SPECIFIED_FRAME; |
| 126 | frameaddr = string_to_core_addr (frame); |
| 127 | } |
| 128 | |
| 129 | if (varobjdebug) |
| 130 | fprintf_unfiltered (gdb_stdlog, |
| 131 | "Name=\"%s\", Frame=\"%s\" (0x%s), Expression=\"%s\"\n", |
| 132 | name, frame, paddr (frameaddr), expr); |
| 133 | |
| 134 | var = varobj_create (name, expr, frameaddr, var_type); |
| 135 | |
| 136 | if (var == NULL) |
| 137 | error (_("mi_cmd_var_create: unable to create variable object")); |
| 138 | |
| 139 | print_varobj (var, PRINT_ALL_VALUES, 0 /* don't print expression */); |
| 140 | |
| 141 | do_cleanups (old_cleanups); |
| 142 | } |
| 143 | |
| 144 | void |
| 145 | mi_cmd_var_delete (char *command, char **argv, int argc) |
| 146 | { |
| 147 | char *name; |
| 148 | struct varobj *var; |
| 149 | int numdel; |
| 150 | int children_only_p = 0; |
| 151 | struct cleanup *old_cleanups; |
| 152 | |
| 153 | if (argc < 1 || argc > 2) |
| 154 | error (_("mi_cmd_var_delete: Usage: [-c] EXPRESSION.")); |
| 155 | |
| 156 | name = xstrdup (argv[0]); |
| 157 | /* Add cleanup for name. Must be free_current_contents as |
| 158 | name can be reallocated */ |
| 159 | old_cleanups = make_cleanup (free_current_contents, &name); |
| 160 | |
| 161 | /* If we have one single argument it cannot be '-c' or any string |
| 162 | starting with '-'. */ |
| 163 | if (argc == 1) |
| 164 | { |
| 165 | if (strcmp (name, "-c") == 0) |
| 166 | error (_("mi_cmd_var_delete: Missing required argument after '-c': variable object name")); |
| 167 | if (*name == '-') |
| 168 | error (_("mi_cmd_var_delete: Illegal variable object name")); |
| 169 | } |
| 170 | |
| 171 | /* If we have 2 arguments they must be '-c' followed by a string |
| 172 | which would be the variable name. */ |
| 173 | if (argc == 2) |
| 174 | { |
| 175 | if (strcmp (name, "-c") != 0) |
| 176 | error (_("mi_cmd_var_delete: Invalid option.")); |
| 177 | children_only_p = 1; |
| 178 | do_cleanups (old_cleanups); |
| 179 | name = xstrdup (argv[1]); |
| 180 | make_cleanup (free_current_contents, &name); |
| 181 | } |
| 182 | |
| 183 | /* If we didn't error out, now NAME contains the name of the |
| 184 | variable. */ |
| 185 | |
| 186 | var = varobj_get_handle (name); |
| 187 | |
| 188 | if (var == NULL) |
| 189 | error (_("mi_cmd_var_delete: Variable object not found.")); |
| 190 | |
| 191 | numdel = varobj_delete (var, NULL, children_only_p); |
| 192 | |
| 193 | ui_out_field_int (uiout, "ndeleted", numdel); |
| 194 | |
| 195 | do_cleanups (old_cleanups); |
| 196 | } |
| 197 | |
| 198 | /* Parse a string argument into a format value. */ |
| 199 | |
| 200 | static enum varobj_display_formats |
| 201 | mi_parse_format (const char *arg) |
| 202 | { |
| 203 | if (arg != NULL) |
| 204 | { |
| 205 | int len; |
| 206 | |
| 207 | len = strlen (arg); |
| 208 | |
| 209 | if (strncmp (arg, "natural", len) == 0) |
| 210 | return FORMAT_NATURAL; |
| 211 | else if (strncmp (arg, "binary", len) == 0) |
| 212 | return FORMAT_BINARY; |
| 213 | else if (strncmp (arg, "decimal", len) == 0) |
| 214 | return FORMAT_DECIMAL; |
| 215 | else if (strncmp (arg, "hexadecimal", len) == 0) |
| 216 | return FORMAT_HEXADECIMAL; |
| 217 | else if (strncmp (arg, "octal", len) == 0) |
| 218 | return FORMAT_OCTAL; |
| 219 | } |
| 220 | |
| 221 | error (_("Must specify the format as: \"natural\", \"binary\", \"decimal\", \"hexadecimal\", or \"octal\"")); |
| 222 | } |
| 223 | |
| 224 | void |
| 225 | mi_cmd_var_set_format (char *command, char **argv, int argc) |
| 226 | { |
| 227 | enum varobj_display_formats format; |
| 228 | struct varobj *var; |
| 229 | |
| 230 | if (argc != 2) |
| 231 | error (_("mi_cmd_var_set_format: Usage: NAME FORMAT.")); |
| 232 | |
| 233 | /* Get varobj handle, if a valid var obj name was specified */ |
| 234 | var = varobj_get_handle (argv[0]); |
| 235 | |
| 236 | if (var == NULL) |
| 237 | error (_("mi_cmd_var_set_format: Variable object not found")); |
| 238 | |
| 239 | format = mi_parse_format (argv[1]); |
| 240 | |
| 241 | /* Set the format of VAR to given format */ |
| 242 | varobj_set_display_format (var, format); |
| 243 | |
| 244 | /* Report the new current format */ |
| 245 | ui_out_field_string (uiout, "format", varobj_format_string[(int) format]); |
| 246 | |
| 247 | /* Report the value in the new format */ |
| 248 | ui_out_field_string (uiout, "value", varobj_get_value (var)); |
| 249 | } |
| 250 | |
| 251 | void |
| 252 | mi_cmd_var_set_frozen (char *command, char **argv, int argc) |
| 253 | { |
| 254 | struct varobj *var; |
| 255 | int frozen; |
| 256 | |
| 257 | if (argc != 2) |
| 258 | error (_("-var-set-format: Usage: NAME FROZEN_FLAG.")); |
| 259 | |
| 260 | var = varobj_get_handle (argv[0]); |
| 261 | if (var == NULL) |
| 262 | error (_("Variable object not found")); |
| 263 | |
| 264 | if (strcmp (argv[1], "0") == 0) |
| 265 | frozen = 0; |
| 266 | else if (strcmp (argv[1], "1") == 0) |
| 267 | frozen = 1; |
| 268 | else |
| 269 | error (_("Invalid flag value")); |
| 270 | |
| 271 | varobj_set_frozen (var, frozen); |
| 272 | |
| 273 | /* We don't automatically return the new value, or what varobjs got new |
| 274 | values during unfreezing. If this information is required, client |
| 275 | should call -var-update explicitly. */ |
| 276 | } |
| 277 | |
| 278 | |
| 279 | void |
| 280 | mi_cmd_var_show_format (char *command, char **argv, int argc) |
| 281 | { |
| 282 | enum varobj_display_formats format; |
| 283 | struct varobj *var; |
| 284 | |
| 285 | if (argc != 1) |
| 286 | error (_("mi_cmd_var_show_format: Usage: NAME.")); |
| 287 | |
| 288 | /* Get varobj handle, if a valid var obj name was specified */ |
| 289 | var = varobj_get_handle (argv[0]); |
| 290 | if (var == NULL) |
| 291 | error (_("mi_cmd_var_show_format: Variable object not found")); |
| 292 | |
| 293 | format = varobj_get_display_format (var); |
| 294 | |
| 295 | /* Report the current format */ |
| 296 | ui_out_field_string (uiout, "format", varobj_format_string[(int) format]); |
| 297 | } |
| 298 | |
| 299 | void |
| 300 | mi_cmd_var_info_num_children (char *command, char **argv, int argc) |
| 301 | { |
| 302 | struct varobj *var; |
| 303 | |
| 304 | if (argc != 1) |
| 305 | error (_("mi_cmd_var_info_num_children: Usage: NAME.")); |
| 306 | |
| 307 | /* Get varobj handle, if a valid var obj name was specified */ |
| 308 | var = varobj_get_handle (argv[0]); |
| 309 | if (var == NULL) |
| 310 | error (_("mi_cmd_var_info_num_children: Variable object not found")); |
| 311 | |
| 312 | ui_out_field_int (uiout, "numchild", varobj_get_num_children (var)); |
| 313 | } |
| 314 | |
| 315 | /* Parse a string argument into a print_values value. */ |
| 316 | |
| 317 | static enum print_values |
| 318 | mi_parse_values_option (const char *arg) |
| 319 | { |
| 320 | if (strcmp (arg, "0") == 0 |
| 321 | || strcmp (arg, mi_no_values) == 0) |
| 322 | return PRINT_NO_VALUES; |
| 323 | else if (strcmp (arg, "1") == 0 |
| 324 | || strcmp (arg, mi_all_values) == 0) |
| 325 | return PRINT_ALL_VALUES; |
| 326 | else if (strcmp (arg, "2") == 0 |
| 327 | || strcmp (arg, mi_simple_values) == 0) |
| 328 | return PRINT_SIMPLE_VALUES; |
| 329 | else |
| 330 | error (_("Unknown value for PRINT_VALUES\n\ |
| 331 | Must be: 0 or \"%s\", 1 or \"%s\", 2 or \"%s\""), |
| 332 | mi_no_values, mi_simple_values, mi_all_values); |
| 333 | } |
| 334 | |
| 335 | /* Return 1 if given the argument PRINT_VALUES we should display |
| 336 | a value of type TYPE. */ |
| 337 | |
| 338 | static int |
| 339 | mi_print_value_p (struct type *type, enum print_values print_values) |
| 340 | { |
| 341 | |
| 342 | if (print_values == PRINT_NO_VALUES) |
| 343 | return 0; |
| 344 | |
| 345 | if (print_values == PRINT_ALL_VALUES) |
| 346 | return 1; |
| 347 | |
| 348 | if (type == NULL) |
| 349 | return 1; |
| 350 | else |
| 351 | { |
| 352 | type = check_typedef (type); |
| 353 | |
| 354 | /* For PRINT_SIMPLE_VALUES, only print the value if it has a type |
| 355 | and that type is not a compound type. */ |
| 356 | return (TYPE_CODE (type) != TYPE_CODE_ARRAY |
| 357 | && TYPE_CODE (type) != TYPE_CODE_STRUCT |
| 358 | && TYPE_CODE (type) != TYPE_CODE_UNION); |
| 359 | } |
| 360 | } |
| 361 | |
| 362 | void |
| 363 | mi_cmd_var_list_children (char *command, char **argv, int argc) |
| 364 | { |
| 365 | struct varobj *var; |
| 366 | VEC(varobj_p) *children; |
| 367 | struct varobj *child; |
| 368 | struct cleanup *cleanup_children; |
| 369 | int numchild; |
| 370 | enum print_values print_values; |
| 371 | int ix; |
| 372 | |
| 373 | if (argc != 1 && argc != 2) |
| 374 | error (_("mi_cmd_var_list_children: Usage: [PRINT_VALUES] NAME")); |
| 375 | |
| 376 | /* Get varobj handle, if a valid var obj name was specified */ |
| 377 | if (argc == 1) |
| 378 | var = varobj_get_handle (argv[0]); |
| 379 | else |
| 380 | var = varobj_get_handle (argv[1]); |
| 381 | if (var == NULL) |
| 382 | error (_("Variable object not found")); |
| 383 | |
| 384 | children = varobj_list_children (var); |
| 385 | ui_out_field_int (uiout, "numchild", VEC_length (varobj_p, children)); |
| 386 | if (argc == 2) |
| 387 | print_values = mi_parse_values_option (argv[0]); |
| 388 | else |
| 389 | print_values = PRINT_NO_VALUES; |
| 390 | |
| 391 | if (VEC_length (varobj_p, children) == 0) |
| 392 | return; |
| 393 | |
| 394 | if (mi_version (uiout) == 1) |
| 395 | cleanup_children = make_cleanup_ui_out_tuple_begin_end (uiout, "children"); |
| 396 | else |
| 397 | cleanup_children = make_cleanup_ui_out_list_begin_end (uiout, "children"); |
| 398 | for (ix = 0; VEC_iterate (varobj_p, children, ix, child); ++ix) |
| 399 | { |
| 400 | struct cleanup *cleanup_child; |
| 401 | cleanup_child = make_cleanup_ui_out_tuple_begin_end (uiout, "child"); |
| 402 | print_varobj (child, print_values, 1 /* print expression */); |
| 403 | do_cleanups (cleanup_child); |
| 404 | } |
| 405 | do_cleanups (cleanup_children); |
| 406 | } |
| 407 | |
| 408 | void |
| 409 | mi_cmd_var_info_type (char *command, char **argv, int argc) |
| 410 | { |
| 411 | struct varobj *var; |
| 412 | |
| 413 | if (argc != 1) |
| 414 | error (_("mi_cmd_var_info_type: Usage: NAME.")); |
| 415 | |
| 416 | /* Get varobj handle, if a valid var obj name was specified */ |
| 417 | var = varobj_get_handle (argv[0]); |
| 418 | if (var == NULL) |
| 419 | error (_("mi_cmd_var_info_type: Variable object not found")); |
| 420 | |
| 421 | ui_out_field_string (uiout, "type", varobj_get_type (var)); |
| 422 | } |
| 423 | |
| 424 | void |
| 425 | mi_cmd_var_info_path_expression (char *command, char **argv, int argc) |
| 426 | { |
| 427 | struct varobj *var; |
| 428 | char *path_expr; |
| 429 | |
| 430 | if (argc != 1) |
| 431 | error (_("Usage: NAME.")); |
| 432 | |
| 433 | /* Get varobj handle, if a valid var obj name was specified. */ |
| 434 | var = varobj_get_handle (argv[0]); |
| 435 | if (var == NULL) |
| 436 | error (_("Variable object not found")); |
| 437 | |
| 438 | path_expr = varobj_get_path_expr (var); |
| 439 | |
| 440 | ui_out_field_string (uiout, "path_expr", path_expr); |
| 441 | } |
| 442 | |
| 443 | void |
| 444 | mi_cmd_var_info_expression (char *command, char **argv, int argc) |
| 445 | { |
| 446 | enum varobj_languages lang; |
| 447 | struct varobj *var; |
| 448 | |
| 449 | if (argc != 1) |
| 450 | error (_("mi_cmd_var_info_expression: Usage: NAME.")); |
| 451 | |
| 452 | /* Get varobj handle, if a valid var obj name was specified */ |
| 453 | var = varobj_get_handle (argv[0]); |
| 454 | if (var == NULL) |
| 455 | error (_("mi_cmd_var_info_expression: Variable object not found")); |
| 456 | |
| 457 | lang = varobj_get_language (var); |
| 458 | |
| 459 | ui_out_field_string (uiout, "lang", varobj_language_string[(int) lang]); |
| 460 | ui_out_field_string (uiout, "exp", varobj_get_expression (var)); |
| 461 | } |
| 462 | |
| 463 | void |
| 464 | mi_cmd_var_show_attributes (char *command, char **argv, int argc) |
| 465 | { |
| 466 | int attr; |
| 467 | char *attstr; |
| 468 | struct varobj *var; |
| 469 | |
| 470 | if (argc != 1) |
| 471 | error (_("mi_cmd_var_show_attributes: Usage: NAME.")); |
| 472 | |
| 473 | /* Get varobj handle, if a valid var obj name was specified */ |
| 474 | var = varobj_get_handle (argv[0]); |
| 475 | if (var == NULL) |
| 476 | error (_("mi_cmd_var_show_attributes: Variable object not found")); |
| 477 | |
| 478 | attr = varobj_get_attributes (var); |
| 479 | /* FIXME: define masks for attributes */ |
| 480 | if (attr & 0x00000001) |
| 481 | attstr = "editable"; |
| 482 | else |
| 483 | attstr = "noneditable"; |
| 484 | |
| 485 | ui_out_field_string (uiout, "attr", attstr); |
| 486 | } |
| 487 | |
| 488 | void |
| 489 | mi_cmd_var_evaluate_expression (char *command, char **argv, int argc) |
| 490 | { |
| 491 | struct varobj *var; |
| 492 | |
| 493 | enum varobj_display_formats format; |
| 494 | int formatFound; |
| 495 | int optind; |
| 496 | char *optarg; |
| 497 | |
| 498 | enum opt |
| 499 | { |
| 500 | OP_FORMAT |
| 501 | }; |
| 502 | static struct mi_opt opts[] = |
| 503 | { |
| 504 | {"f", OP_FORMAT, 1}, |
| 505 | { 0, 0, 0 } |
| 506 | }; |
| 507 | |
| 508 | /* Parse arguments */ |
| 509 | format = FORMAT_NATURAL; |
| 510 | formatFound = 0; |
| 511 | optind = 0; |
| 512 | while (1) |
| 513 | { |
| 514 | int opt = mi_getopt ("-var-evaluate-expression", argc, argv, opts, &optind, &optarg); |
| 515 | if (opt < 0) |
| 516 | break; |
| 517 | switch ((enum opt) opt) |
| 518 | { |
| 519 | case OP_FORMAT: |
| 520 | if (formatFound) |
| 521 | error (_("Cannot specify format more than once")); |
| 522 | |
| 523 | format = mi_parse_format (optarg); |
| 524 | formatFound = 1; |
| 525 | break; |
| 526 | } |
| 527 | } |
| 528 | |
| 529 | if (optind >= argc) |
| 530 | error (_("Usage: [-f FORMAT] NAME")); |
| 531 | |
| 532 | if (optind < argc - 1) |
| 533 | error (_("Garbage at end of command")); |
| 534 | |
| 535 | /* Get varobj handle, if a valid var obj name was specified */ |
| 536 | var = varobj_get_handle (argv[optind]); |
| 537 | if (var == NULL) |
| 538 | error (_("Variable object not found")); |
| 539 | |
| 540 | if (formatFound) |
| 541 | ui_out_field_string (uiout, "value", varobj_get_formatted_value (var, format)); |
| 542 | else |
| 543 | ui_out_field_string (uiout, "value", varobj_get_value (var)); |
| 544 | } |
| 545 | |
| 546 | void |
| 547 | mi_cmd_var_assign (char *command, char **argv, int argc) |
| 548 | { |
| 549 | struct varobj *var; |
| 550 | char *expression; |
| 551 | |
| 552 | if (argc != 2) |
| 553 | error (_("mi_cmd_var_assign: Usage: NAME EXPRESSION.")); |
| 554 | |
| 555 | /* Get varobj handle, if a valid var obj name was specified */ |
| 556 | var = varobj_get_handle (argv[0]); |
| 557 | if (var == NULL) |
| 558 | error (_("mi_cmd_var_assign: Variable object not found")); |
| 559 | |
| 560 | if (!varobj_editable_p (var)) |
| 561 | error (_("mi_cmd_var_assign: Variable object is not editable")); |
| 562 | |
| 563 | expression = xstrdup (argv[1]); |
| 564 | |
| 565 | if (!varobj_set_value (var, expression)) |
| 566 | error (_("mi_cmd_var_assign: Could not assign expression to variable object")); |
| 567 | |
| 568 | ui_out_field_string (uiout, "value", varobj_get_value (var)); |
| 569 | } |
| 570 | |
| 571 | void |
| 572 | mi_cmd_var_update (char *command, char **argv, int argc) |
| 573 | { |
| 574 | struct varobj *var; |
| 575 | struct varobj **rootlist; |
| 576 | struct varobj **cr; |
| 577 | struct cleanup *cleanup; |
| 578 | char *name; |
| 579 | int nv; |
| 580 | enum print_values print_values; |
| 581 | |
| 582 | if (argc != 1 && argc != 2) |
| 583 | error (_("mi_cmd_var_update: Usage: [PRINT_VALUES] NAME.")); |
| 584 | |
| 585 | if (argc == 1) |
| 586 | name = argv[0]; |
| 587 | else |
| 588 | name = (argv[1]); |
| 589 | |
| 590 | if (argc == 2) |
| 591 | print_values = mi_parse_values_option (argv[0]); |
| 592 | else |
| 593 | print_values = PRINT_NO_VALUES; |
| 594 | |
| 595 | /* Check if the parameter is a "*" which means that we want |
| 596 | to update all variables */ |
| 597 | |
| 598 | if ((*name == '*' || *name == '@') && (*(name + 1) == '\0')) |
| 599 | { |
| 600 | nv = varobj_list (&rootlist); |
| 601 | cleanup = make_cleanup (xfree, rootlist); |
| 602 | if (mi_version (uiout) <= 1) |
| 603 | make_cleanup_ui_out_tuple_begin_end (uiout, "changelist"); |
| 604 | else |
| 605 | make_cleanup_ui_out_list_begin_end (uiout, "changelist"); |
| 606 | if (nv <= 0) |
| 607 | { |
| 608 | do_cleanups (cleanup); |
| 609 | return; |
| 610 | } |
| 611 | cr = rootlist; |
| 612 | while (*cr != NULL) |
| 613 | { |
| 614 | int thread_id = varobj_get_thread_id (*cr); |
| 615 | int thread_stopped = 0; |
| 616 | if (thread_id == -1 && is_stopped (inferior_ptid)) |
| 617 | thread_stopped = 1; |
| 618 | else |
| 619 | { |
| 620 | struct thread_info *tp = find_thread_id (thread_id); |
| 621 | if (tp) |
| 622 | thread_stopped = is_stopped (tp->ptid); |
| 623 | else |
| 624 | thread_stopped = 1; |
| 625 | } |
| 626 | if (thread_stopped) |
| 627 | if (*name == '*' || varobj_floating_p (*cr)) |
| 628 | varobj_update_one (*cr, print_values, 0 /* implicit */); |
| 629 | cr++; |
| 630 | } |
| 631 | do_cleanups (cleanup); |
| 632 | } |
| 633 | else |
| 634 | { |
| 635 | /* Get varobj handle, if a valid var obj name was specified */ |
| 636 | var = varobj_get_handle (name); |
| 637 | if (var == NULL) |
| 638 | error (_("mi_cmd_var_update: Variable object not found")); |
| 639 | |
| 640 | if (mi_version (uiout) <= 1) |
| 641 | cleanup = make_cleanup_ui_out_tuple_begin_end (uiout, "changelist"); |
| 642 | else |
| 643 | cleanup = make_cleanup_ui_out_list_begin_end (uiout, "changelist"); |
| 644 | varobj_update_one (var, print_values, 1 /* explicit */); |
| 645 | do_cleanups (cleanup); |
| 646 | } |
| 647 | } |
| 648 | |
| 649 | /* Helper for mi_cmd_var_update(). */ |
| 650 | |
| 651 | static void |
| 652 | varobj_update_one (struct varobj *var, enum print_values print_values, |
| 653 | int explicit) |
| 654 | { |
| 655 | struct varobj **cc; |
| 656 | struct cleanup *cleanup = NULL; |
| 657 | VEC (varobj_update_result) *changes; |
| 658 | varobj_update_result *r; |
| 659 | int i; |
| 660 | |
| 661 | changes = varobj_update (&var, explicit); |
| 662 | |
| 663 | for (i = 0; VEC_iterate (varobj_update_result, changes, i, r); ++i) |
| 664 | { |
| 665 | if (mi_version (uiout) > 1) |
| 666 | cleanup = make_cleanup_ui_out_tuple_begin_end (uiout, NULL); |
| 667 | ui_out_field_string (uiout, "name", varobj_get_objname (r->varobj)); |
| 668 | |
| 669 | switch (r->status) |
| 670 | { |
| 671 | case VAROBJ_IN_SCOPE: |
| 672 | if (mi_print_value_p (varobj_get_gdb_type (r->varobj), print_values)) |
| 673 | ui_out_field_string (uiout, "value", varobj_get_value (r->varobj)); |
| 674 | ui_out_field_string (uiout, "in_scope", "true"); |
| 675 | break; |
| 676 | case VAROBJ_NOT_IN_SCOPE: |
| 677 | ui_out_field_string (uiout, "in_scope", "false"); |
| 678 | break; |
| 679 | case VAROBJ_INVALID: |
| 680 | ui_out_field_string (uiout, "in_scope", "invalid"); |
| 681 | break; |
| 682 | } |
| 683 | |
| 684 | if (r->status != VAROBJ_INVALID) |
| 685 | { |
| 686 | if (r->type_changed) |
| 687 | ui_out_field_string (uiout, "type_changed", "true"); |
| 688 | else |
| 689 | ui_out_field_string (uiout, "type_changed", "false"); |
| 690 | } |
| 691 | |
| 692 | if (r->type_changed) |
| 693 | { |
| 694 | ui_out_field_string (uiout, "new_type", varobj_get_type (r->varobj)); |
| 695 | ui_out_field_int (uiout, "new_num_children", |
| 696 | varobj_get_num_children (r->varobj)); |
| 697 | } |
| 698 | |
| 699 | if (mi_version (uiout) > 1) |
| 700 | do_cleanups (cleanup); |
| 701 | } |
| 702 | VEC_free (varobj_update_result, changes); |
| 703 | } |