| 1 | /* TUI data manipulation routines. |
| 2 | |
| 3 | Copyright (C) 1998-2019 Free Software Foundation, Inc. |
| 4 | |
| 5 | Contributed by Hewlett-Packard 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 "symtab.h" |
| 24 | #include "tui/tui.h" |
| 25 | #include "tui/tui-data.h" |
| 26 | #include "tui/tui-wingeneral.h" |
| 27 | #include "gdb_curses.h" |
| 28 | |
| 29 | /**************************** |
| 30 | ** GLOBAL DECLARATIONS |
| 31 | ****************************/ |
| 32 | struct tui_win_info *tui_win_list[MAX_MAJOR_WINDOWS]; |
| 33 | |
| 34 | /*************************** |
| 35 | ** Private data |
| 36 | ****************************/ |
| 37 | static enum tui_layout_type current_layout = UNDEFINED_LAYOUT; |
| 38 | static int term_height, term_width; |
| 39 | static struct tui_gen_win_info _locator; |
| 40 | static struct tui_gen_win_info exec_info[2]; |
| 41 | static std::vector<tui_source_window_base *> source_windows; |
| 42 | static struct tui_win_info *win_with_focus = NULL; |
| 43 | static struct tui_layout_def layout_def = { |
| 44 | SRC_WIN, /* DISPLAY_MODE */ |
| 45 | FALSE}; /* SPLIT */ |
| 46 | |
| 47 | static int win_resized = FALSE; |
| 48 | |
| 49 | |
| 50 | /********************************* |
| 51 | ** Static function forward decls |
| 52 | **********************************/ |
| 53 | static void free_content (tui_win_content, |
| 54 | int, |
| 55 | enum tui_win_type); |
| 56 | static void free_content_elements (tui_win_content, |
| 57 | int, |
| 58 | enum tui_win_type); |
| 59 | |
| 60 | |
| 61 | |
| 62 | /********************************* |
| 63 | ** PUBLIC FUNCTIONS |
| 64 | **********************************/ |
| 65 | |
| 66 | int |
| 67 | tui_win_is_auxillary (enum tui_win_type win_type) |
| 68 | { |
| 69 | return (win_type > MAX_MAJOR_WINDOWS); |
| 70 | } |
| 71 | |
| 72 | void |
| 73 | tui_set_win_highlight (struct tui_win_info *win_info, |
| 74 | int highlight) |
| 75 | { |
| 76 | if (win_info != NULL) |
| 77 | win_info->is_highlighted = highlight; |
| 78 | } |
| 79 | |
| 80 | /****************************************** |
| 81 | ** ACCESSORS & MUTATORS FOR PRIVATE DATA |
| 82 | ******************************************/ |
| 83 | |
| 84 | /* Answer a whether the terminal window has been resized or not. */ |
| 85 | int |
| 86 | tui_win_resized (void) |
| 87 | { |
| 88 | return win_resized; |
| 89 | } |
| 90 | |
| 91 | |
| 92 | /* Set a whether the terminal window has been resized or not. */ |
| 93 | void |
| 94 | tui_set_win_resized_to (int resized) |
| 95 | { |
| 96 | win_resized = resized; |
| 97 | } |
| 98 | |
| 99 | |
| 100 | /* Answer a pointer to the current layout definition. */ |
| 101 | struct tui_layout_def * |
| 102 | tui_layout_def (void) |
| 103 | { |
| 104 | return &layout_def; |
| 105 | } |
| 106 | |
| 107 | |
| 108 | /* Answer the window with the logical focus. */ |
| 109 | struct tui_win_info * |
| 110 | tui_win_with_focus (void) |
| 111 | { |
| 112 | return win_with_focus; |
| 113 | } |
| 114 | |
| 115 | |
| 116 | /* Set the window that has the logical focus. */ |
| 117 | void |
| 118 | tui_set_win_with_focus (struct tui_win_info *win_info) |
| 119 | { |
| 120 | win_with_focus = win_info; |
| 121 | } |
| 122 | |
| 123 | |
| 124 | /* Accessor for the current source window. Usually there is only one |
| 125 | source window (either source or disassembly), but both can be |
| 126 | displayed at the same time. */ |
| 127 | std::vector<tui_source_window_base *> & |
| 128 | tui_source_windows () |
| 129 | { |
| 130 | return source_windows; |
| 131 | } |
| 132 | |
| 133 | |
| 134 | /* Clear the list of source windows. Usually there is only one source |
| 135 | window (either source or disassembly), but both can be displayed at |
| 136 | the same time. */ |
| 137 | void |
| 138 | tui_clear_source_windows () |
| 139 | { |
| 140 | source_windows.clear (); |
| 141 | } |
| 142 | |
| 143 | |
| 144 | /* Clear the pertinant detail in the source windows. */ |
| 145 | void |
| 146 | tui_clear_source_windows_detail () |
| 147 | { |
| 148 | for (tui_source_window_base *win : tui_source_windows ()) |
| 149 | win->clear_detail (); |
| 150 | } |
| 151 | |
| 152 | |
| 153 | /* Add a window to the list of source windows. Usually there is only |
| 154 | one source window (either source or disassembly), but both can be |
| 155 | displayed at the same time. */ |
| 156 | void |
| 157 | tui_add_to_source_windows (struct tui_source_window_base *win_info) |
| 158 | { |
| 159 | if (source_windows.size () < 2) |
| 160 | source_windows.push_back (win_info); |
| 161 | } |
| 162 | |
| 163 | /* See tui-data.h. */ |
| 164 | |
| 165 | void |
| 166 | tui_source_window_base::clear_detail () |
| 167 | { |
| 168 | gdbarch = NULL; |
| 169 | start_line_or_addr.loa = LOA_ADDRESS; |
| 170 | start_line_or_addr.u.addr = 0; |
| 171 | horizontal_offset = 0; |
| 172 | } |
| 173 | |
| 174 | /* See tui-data.h. */ |
| 175 | |
| 176 | void |
| 177 | tui_cmd_window::clear_detail () |
| 178 | { |
| 179 | wmove (generic.handle, 0, 0); |
| 180 | } |
| 181 | |
| 182 | /* See tui-data.h. */ |
| 183 | |
| 184 | void |
| 185 | tui_data_window::clear_detail () |
| 186 | { |
| 187 | data_content = NULL; |
| 188 | data_content_count = 0; |
| 189 | regs_content = NULL; |
| 190 | regs_content_count = 0; |
| 191 | regs_column_count = 1; |
| 192 | display_regs = false; |
| 193 | } |
| 194 | |
| 195 | /* Accessor for the source execution info ptr. */ |
| 196 | struct tui_gen_win_info * |
| 197 | tui_source_exec_info_win_ptr (void) |
| 198 | { |
| 199 | return &exec_info[0]; |
| 200 | } |
| 201 | |
| 202 | |
| 203 | /* Accessor for the disassem execution info ptr. */ |
| 204 | struct tui_gen_win_info * |
| 205 | tui_disassem_exec_info_win_ptr (void) |
| 206 | { |
| 207 | return &exec_info[1]; |
| 208 | } |
| 209 | |
| 210 | |
| 211 | /* Accessor for the locator win info. Answers a pointer to the static |
| 212 | locator win info struct. */ |
| 213 | struct tui_gen_win_info * |
| 214 | tui_locator_win_info_ptr (void) |
| 215 | { |
| 216 | return &_locator; |
| 217 | } |
| 218 | |
| 219 | |
| 220 | /* Accessor for the term_height. */ |
| 221 | int |
| 222 | tui_term_height (void) |
| 223 | { |
| 224 | return term_height; |
| 225 | } |
| 226 | |
| 227 | |
| 228 | /* Mutator for the term height. */ |
| 229 | void |
| 230 | tui_set_term_height_to (int h) |
| 231 | { |
| 232 | term_height = h; |
| 233 | } |
| 234 | |
| 235 | |
| 236 | /* Accessor for the term_width. */ |
| 237 | int |
| 238 | tui_term_width (void) |
| 239 | { |
| 240 | return term_width; |
| 241 | } |
| 242 | |
| 243 | |
| 244 | /* Mutator for the term_width. */ |
| 245 | void |
| 246 | tui_set_term_width_to (int w) |
| 247 | { |
| 248 | term_width = w; |
| 249 | } |
| 250 | |
| 251 | |
| 252 | /* Accessor for the current layout. */ |
| 253 | enum tui_layout_type |
| 254 | tui_current_layout (void) |
| 255 | { |
| 256 | return current_layout; |
| 257 | } |
| 258 | |
| 259 | |
| 260 | /* Mutator for the current layout. */ |
| 261 | void |
| 262 | tui_set_current_layout_to (enum tui_layout_type new_layout) |
| 263 | { |
| 264 | current_layout = new_layout; |
| 265 | } |
| 266 | |
| 267 | |
| 268 | /***************************** |
| 269 | ** OTHER PUBLIC FUNCTIONS |
| 270 | *****************************/ |
| 271 | |
| 272 | |
| 273 | /* Answer the next window in the list, cycling back to the top if |
| 274 | necessary. */ |
| 275 | struct tui_win_info * |
| 276 | tui_next_win (struct tui_win_info *cur_win) |
| 277 | { |
| 278 | int type = cur_win->generic.type; |
| 279 | struct tui_win_info *next_win = NULL; |
| 280 | |
| 281 | if (cur_win->generic.type == CMD_WIN) |
| 282 | type = SRC_WIN; |
| 283 | else |
| 284 | type = cur_win->generic.type + 1; |
| 285 | while (type != cur_win->generic.type && (next_win == NULL)) |
| 286 | { |
| 287 | if (tui_win_list[type] |
| 288 | && tui_win_list[type]->generic.is_visible) |
| 289 | next_win = tui_win_list[type]; |
| 290 | else |
| 291 | { |
| 292 | if (type == CMD_WIN) |
| 293 | type = SRC_WIN; |
| 294 | else |
| 295 | type++; |
| 296 | } |
| 297 | } |
| 298 | |
| 299 | return next_win; |
| 300 | } |
| 301 | |
| 302 | |
| 303 | /* Answer the prev window in the list, cycling back to the bottom if |
| 304 | necessary. */ |
| 305 | struct tui_win_info * |
| 306 | tui_prev_win (struct tui_win_info *cur_win) |
| 307 | { |
| 308 | int type = cur_win->generic.type; |
| 309 | struct tui_win_info *prev = NULL; |
| 310 | |
| 311 | if (cur_win->generic.type == SRC_WIN) |
| 312 | type = CMD_WIN; |
| 313 | else |
| 314 | type = cur_win->generic.type - 1; |
| 315 | while (type != cur_win->generic.type && (prev == NULL)) |
| 316 | { |
| 317 | if (tui_win_list[type] |
| 318 | && tui_win_list[type]->generic.is_visible) |
| 319 | prev = tui_win_list[type]; |
| 320 | else |
| 321 | { |
| 322 | if (type == SRC_WIN) |
| 323 | type = CMD_WIN; |
| 324 | else |
| 325 | type--; |
| 326 | } |
| 327 | } |
| 328 | |
| 329 | return prev; |
| 330 | } |
| 331 | |
| 332 | |
| 333 | /* Answer the window represented by name. */ |
| 334 | struct tui_win_info * |
| 335 | tui_partial_win_by_name (const char *name) |
| 336 | { |
| 337 | struct tui_win_info *win_info = NULL; |
| 338 | |
| 339 | if (name != NULL) |
| 340 | { |
| 341 | int i = 0; |
| 342 | |
| 343 | while (i < MAX_MAJOR_WINDOWS && win_info == NULL) |
| 344 | { |
| 345 | if (tui_win_list[i] != 0) |
| 346 | { |
| 347 | const char *cur_name = |
| 348 | tui_win_name (&tui_win_list[i]->generic); |
| 349 | |
| 350 | if (strlen (name) <= strlen (cur_name) |
| 351 | && startswith (cur_name, name)) |
| 352 | win_info = tui_win_list[i]; |
| 353 | } |
| 354 | i++; |
| 355 | } |
| 356 | } |
| 357 | |
| 358 | return win_info; |
| 359 | } |
| 360 | |
| 361 | |
| 362 | /* Answer the name of the window. */ |
| 363 | const char * |
| 364 | tui_win_name (const struct tui_gen_win_info *win_info) |
| 365 | { |
| 366 | const char *name = NULL; |
| 367 | |
| 368 | switch (win_info->type) |
| 369 | { |
| 370 | case SRC_WIN: |
| 371 | name = SRC_NAME; |
| 372 | break; |
| 373 | case CMD_WIN: |
| 374 | name = CMD_NAME; |
| 375 | break; |
| 376 | case DISASSEM_WIN: |
| 377 | name = DISASSEM_NAME; |
| 378 | break; |
| 379 | case DATA_WIN: |
| 380 | name = DATA_NAME; |
| 381 | break; |
| 382 | default: |
| 383 | name = ""; |
| 384 | break; |
| 385 | } |
| 386 | |
| 387 | return name; |
| 388 | } |
| 389 | |
| 390 | |
| 391 | void |
| 392 | tui_initialize_static_data (void) |
| 393 | { |
| 394 | tui_init_generic_part (tui_source_exec_info_win_ptr ()); |
| 395 | tui_init_generic_part (tui_disassem_exec_info_win_ptr ()); |
| 396 | tui_init_generic_part (tui_locator_win_info_ptr ()); |
| 397 | } |
| 398 | |
| 399 | |
| 400 | struct tui_gen_win_info * |
| 401 | tui_alloc_generic_win_info (void) |
| 402 | { |
| 403 | struct tui_gen_win_info *win = XNEW (struct tui_gen_win_info); |
| 404 | |
| 405 | tui_init_generic_part (win); |
| 406 | |
| 407 | return win; |
| 408 | } |
| 409 | |
| 410 | |
| 411 | void |
| 412 | tui_init_generic_part (struct tui_gen_win_info *win) |
| 413 | { |
| 414 | win->width = |
| 415 | win->height = |
| 416 | win->origin.x = |
| 417 | win->origin.y = |
| 418 | win->viewport_height = |
| 419 | win->content_size = |
| 420 | win->last_visible_line = 0; |
| 421 | win->handle = NULL; |
| 422 | win->content = NULL; |
| 423 | win->content_in_use = FALSE; |
| 424 | win->is_visible = false; |
| 425 | win->title = 0; |
| 426 | } |
| 427 | |
| 428 | |
| 429 | /* init_content_element(). |
| 430 | */ |
| 431 | static void |
| 432 | init_content_element (struct tui_win_element *element, |
| 433 | enum tui_win_type type) |
| 434 | { |
| 435 | switch (type) |
| 436 | { |
| 437 | case SRC_WIN: |
| 438 | case DISASSEM_WIN: |
| 439 | element->which_element.source.line = NULL; |
| 440 | element->which_element.source.line_or_addr.loa = LOA_LINE; |
| 441 | element->which_element.source.line_or_addr.u.line_no = 0; |
| 442 | element->which_element.source.is_exec_point = FALSE; |
| 443 | element->which_element.source.has_break = FALSE; |
| 444 | break; |
| 445 | case DATA_WIN: |
| 446 | tui_init_generic_part (&element->which_element.data_window); |
| 447 | element->which_element.data_window.type = DATA_ITEM_WIN; |
| 448 | element->which_element.data_window.content = |
| 449 | tui_alloc_content (1, DATA_ITEM_WIN); |
| 450 | element->which_element.data_window.content_size = 1; |
| 451 | break; |
| 452 | case CMD_WIN: |
| 453 | element->which_element.command.line = NULL; |
| 454 | break; |
| 455 | case DATA_ITEM_WIN: |
| 456 | element->which_element.data.name = NULL; |
| 457 | element->which_element.data.type = TUI_REGISTER; |
| 458 | element->which_element.data.item_no = UNDEFINED_ITEM; |
| 459 | element->which_element.data.value = NULL; |
| 460 | element->which_element.data.highlight = FALSE; |
| 461 | element->which_element.data.content = NULL; |
| 462 | break; |
| 463 | case LOCATOR_WIN: |
| 464 | element->which_element.locator.full_name[0] = |
| 465 | element->which_element.locator.proc_name[0] = (char) 0; |
| 466 | element->which_element.locator.line_no = 0; |
| 467 | element->which_element.locator.addr = 0; |
| 468 | break; |
| 469 | case EXEC_INFO_WIN: |
| 470 | memset(element->which_element.simple_string, ' ', |
| 471 | sizeof(element->which_element.simple_string)); |
| 472 | break; |
| 473 | default: |
| 474 | break; |
| 475 | } |
| 476 | } |
| 477 | |
| 478 | tui_win_info::tui_win_info (enum tui_win_type type) |
| 479 | { |
| 480 | generic.type = type; |
| 481 | tui_init_generic_part (&generic); |
| 482 | } |
| 483 | |
| 484 | tui_source_window_base::tui_source_window_base (enum tui_win_type type) |
| 485 | : tui_win_info (type) |
| 486 | { |
| 487 | gdb_assert (type == SRC_WIN || type == DISASSEM_WIN); |
| 488 | start_line_or_addr.loa = LOA_ADDRESS; |
| 489 | start_line_or_addr.u.addr = 0; |
| 490 | } |
| 491 | |
| 492 | struct tui_win_info * |
| 493 | tui_alloc_win_info (enum tui_win_type type) |
| 494 | { |
| 495 | switch (type) |
| 496 | { |
| 497 | case SRC_WIN: |
| 498 | return new tui_source_window (); |
| 499 | |
| 500 | case DISASSEM_WIN: |
| 501 | return new tui_disasm_window (); |
| 502 | |
| 503 | case DATA_WIN: |
| 504 | return new tui_data_window (); |
| 505 | |
| 506 | case CMD_WIN: |
| 507 | return new tui_cmd_window (); |
| 508 | } |
| 509 | |
| 510 | gdb_assert_not_reached (_("Unhandled window type")); |
| 511 | } |
| 512 | |
| 513 | |
| 514 | /* Allocates the content and elements in a block. */ |
| 515 | tui_win_content |
| 516 | tui_alloc_content (int num_elements, enum tui_win_type type) |
| 517 | { |
| 518 | tui_win_content content; |
| 519 | struct tui_win_element *element_block_ptr; |
| 520 | int i; |
| 521 | |
| 522 | content = XNEWVEC (struct tui_win_element *, num_elements); |
| 523 | |
| 524 | /* |
| 525 | * All windows, except the data window, can allocate the |
| 526 | * elements in a chunk. The data window cannot because items |
| 527 | * can be added/removed from the data display by the user at any |
| 528 | * time. |
| 529 | */ |
| 530 | if (type != DATA_WIN) |
| 531 | { |
| 532 | element_block_ptr = XNEWVEC (struct tui_win_element, num_elements); |
| 533 | for (i = 0; i < num_elements; i++) |
| 534 | { |
| 535 | content[i] = element_block_ptr; |
| 536 | init_content_element (content[i], type); |
| 537 | element_block_ptr++; |
| 538 | } |
| 539 | } |
| 540 | |
| 541 | return content; |
| 542 | } |
| 543 | |
| 544 | |
| 545 | /* Adds the input number of elements to the windows's content. If no |
| 546 | content has been allocated yet, alloc_content() is called to do |
| 547 | this. The index of the first element added is returned, unless |
| 548 | there is a memory allocation error, in which case, (-1) is |
| 549 | returned. */ |
| 550 | int |
| 551 | tui_add_content_elements (struct tui_gen_win_info *win_info, |
| 552 | int num_elements) |
| 553 | { |
| 554 | struct tui_win_element *element_ptr; |
| 555 | int i, index_start; |
| 556 | |
| 557 | if (win_info->content == NULL) |
| 558 | { |
| 559 | win_info->content = tui_alloc_content (num_elements, win_info->type); |
| 560 | index_start = 0; |
| 561 | } |
| 562 | else |
| 563 | index_start = win_info->content_size; |
| 564 | if (win_info->content != NULL) |
| 565 | { |
| 566 | for (i = index_start; (i < num_elements + index_start); i++) |
| 567 | { |
| 568 | element_ptr = XNEW (struct tui_win_element); |
| 569 | win_info->content[i] = element_ptr; |
| 570 | init_content_element (element_ptr, win_info->type); |
| 571 | win_info->content_size++; |
| 572 | } |
| 573 | } |
| 574 | |
| 575 | return index_start; |
| 576 | } |
| 577 | |
| 578 | tui_source_window_base::~tui_source_window_base () |
| 579 | { |
| 580 | xfree (fullname); |
| 581 | struct tui_gen_win_info *generic_win = execution_info; |
| 582 | if (generic_win != NULL) |
| 583 | { |
| 584 | tui_delete_win (generic_win->handle); |
| 585 | generic_win->handle = NULL; |
| 586 | tui_free_win_content (generic_win); |
| 587 | } |
| 588 | } |
| 589 | |
| 590 | tui_data_window::~tui_data_window () |
| 591 | { |
| 592 | if (generic.content != NULL) |
| 593 | { |
| 594 | tui_free_data_content (regs_content, regs_content_count); |
| 595 | regs_content = NULL; |
| 596 | regs_content_count = 0; |
| 597 | tui_free_data_content (data_content, data_content_count); |
| 598 | data_content = NULL; |
| 599 | data_content_count = 0; |
| 600 | regs_column_count = 1; |
| 601 | display_regs = false; |
| 602 | generic.content = NULL; |
| 603 | generic.content_size = 0; |
| 604 | } |
| 605 | } |
| 606 | |
| 607 | tui_win_info::~tui_win_info () |
| 608 | { |
| 609 | if (generic.handle != NULL) |
| 610 | { |
| 611 | tui_delete_win (generic.handle); |
| 612 | generic.handle = NULL; |
| 613 | tui_free_win_content (&generic); |
| 614 | } |
| 615 | if (generic.title) |
| 616 | xfree (generic.title); |
| 617 | } |
| 618 | |
| 619 | |
| 620 | void |
| 621 | tui_free_all_source_wins_content () |
| 622 | { |
| 623 | for (tui_source_window_base *win_info : tui_source_windows ()) |
| 624 | { |
| 625 | tui_free_win_content (&(win_info->generic)); |
| 626 | tui_free_win_content (win_info->execution_info); |
| 627 | } |
| 628 | } |
| 629 | |
| 630 | |
| 631 | void |
| 632 | tui_free_win_content (struct tui_gen_win_info *win_info) |
| 633 | { |
| 634 | if (win_info->content != NULL) |
| 635 | { |
| 636 | free_content (win_info->content, |
| 637 | win_info->content_size, |
| 638 | win_info->type); |
| 639 | win_info->content = NULL; |
| 640 | } |
| 641 | win_info->content_size = 0; |
| 642 | } |
| 643 | |
| 644 | |
| 645 | void |
| 646 | tui_free_data_content (tui_win_content content, |
| 647 | int content_size) |
| 648 | { |
| 649 | int i; |
| 650 | |
| 651 | /* Remember that data window content elements are of type struct |
| 652 | tui_gen_win_info *, each of which whose single element is a data |
| 653 | element. */ |
| 654 | for (i = 0; i < content_size; i++) |
| 655 | { |
| 656 | struct tui_gen_win_info *generic_win |
| 657 | = &content[i]->which_element.data_window; |
| 658 | |
| 659 | if (generic_win != NULL) |
| 660 | { |
| 661 | tui_delete_win (generic_win->handle); |
| 662 | generic_win->handle = NULL; |
| 663 | tui_free_win_content (generic_win); |
| 664 | } |
| 665 | } |
| 666 | free_content (content, |
| 667 | content_size, |
| 668 | DATA_WIN); |
| 669 | } |
| 670 | |
| 671 | |
| 672 | /********************************** |
| 673 | ** LOCAL STATIC FUNCTIONS ** |
| 674 | **********************************/ |
| 675 | |
| 676 | |
| 677 | static void |
| 678 | free_content (tui_win_content content, |
| 679 | int content_size, |
| 680 | enum tui_win_type win_type) |
| 681 | { |
| 682 | if (content != NULL) |
| 683 | { |
| 684 | free_content_elements (content, content_size, win_type); |
| 685 | xfree (content); |
| 686 | } |
| 687 | } |
| 688 | |
| 689 | |
| 690 | /* free_content_elements(). |
| 691 | */ |
| 692 | static void |
| 693 | free_content_elements (tui_win_content content, |
| 694 | int content_size, |
| 695 | enum tui_win_type type) |
| 696 | { |
| 697 | if (content != NULL) |
| 698 | { |
| 699 | int i; |
| 700 | |
| 701 | if (type == DISASSEM_WIN) |
| 702 | { |
| 703 | /* Free whole source block. */ |
| 704 | xfree (content[0]->which_element.source.line); |
| 705 | } |
| 706 | else |
| 707 | { |
| 708 | for (i = 0; i < content_size; i++) |
| 709 | { |
| 710 | struct tui_win_element *element; |
| 711 | |
| 712 | element = content[i]; |
| 713 | if (element != NULL) |
| 714 | { |
| 715 | switch (type) |
| 716 | { |
| 717 | case SRC_WIN: |
| 718 | xfree (element->which_element.source.line); |
| 719 | break; |
| 720 | case DATA_WIN: |
| 721 | xfree (element); |
| 722 | break; |
| 723 | case DATA_ITEM_WIN: |
| 724 | /* Note that data elements are not allocated in |
| 725 | a single block, but individually, as |
| 726 | needed. */ |
| 727 | if (element->which_element.data.type != TUI_REGISTER) |
| 728 | xfree ((void *)element->which_element.data.name); |
| 729 | xfree (element->which_element.data.value); |
| 730 | xfree (element->which_element.data.content); |
| 731 | xfree (element); |
| 732 | break; |
| 733 | case CMD_WIN: |
| 734 | xfree (element->which_element.command.line); |
| 735 | break; |
| 736 | default: |
| 737 | break; |
| 738 | } |
| 739 | } |
| 740 | } |
| 741 | } |
| 742 | if (type != DATA_WIN && type != DATA_ITEM_WIN) |
| 743 | xfree (content[0]); /* Free the element block. */ |
| 744 | } |
| 745 | } |