gdb/tui/tui-data.c

   1 /* TUI data manipulation routines.
   2
   3    Copyright (C) 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2006, 2007, 2008,
   4    2009, 2010 Free Software Foundation, Inc.
   5
   6    Contributed by Hewlett-Packard 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 "symtab.h"
  25 #include "tui/tui.h"
  26 #include "tui/tui-data.h"
  27 #include "tui/tui-wingeneral.h"
  28
  29 #include "gdb_string.h"
  30 #include "gdb_curses.h"
  31
  32 /****************************
  33 ** GLOBAL DECLARATIONS
  34 ****************************/
  35 struct tui_win_info *(tui_win_list[MAX_MAJOR_WINDOWS]);
  36
  37 /***************************
  38 ** Private data
  39 ****************************/
  40 static enum tui_layout_type current_layout = UNDEFINED_LAYOUT;
  41 static int term_height, term_width;
  42 static struct tui_gen_win_info _locator;
  43 static struct tui_gen_win_info exec_info[2];
  44 static struct tui_win_info *src_win_list[2];
  45 static struct tui_list source_windows = {src_win_list, 0};
  46 static int default_tab_len = DEFAULT_TAB_LEN;
  47 static struct tui_win_info *win_with_focus = (struct tui_win_info *) NULL;
  48 static struct tui_layout_def layout_def = {
  49   SRC_WIN,                      /* DISPLAY_MODE */
  50   FALSE,                        /* SPLIT */
  51   TUI_UNDEFINED_REGS,           /* REGS_DISPLAY_TYPE */
  52   TUI_SFLOAT_REGS};             /* FLOAT_REGS_DISPLAY_TYPE */
  53
  54 static int win_resized = FALSE;
  55
  56
  57 /*********************************
  58 ** Static function forward decls
  59 **********************************/
  60 static void free_content (tui_win_content,
  61                           int,
  62                           enum tui_win_type);
  63 static void free_content_elements (tui_win_content,
  64                                    int,
  65                                    enum tui_win_type);
  66
  67
  68
  69 /*********************************
  70 ** PUBLIC FUNCTIONS
  71 **********************************/
  72
  73 int
  74 tui_win_is_source_type (enum tui_win_type win_type)
  75 {
  76   return (win_type == SRC_WIN || win_type == DISASSEM_WIN);
  77 }
  78
  79 int
  80 tui_win_is_auxillary (enum tui_win_type win_type)
  81 {
  82   return (win_type > MAX_MAJOR_WINDOWS);
  83 }
  84
  85 int
  86 tui_win_has_locator (struct tui_win_info *win_info)
  87 {
  88   return (win_info != NULL
  89           && win_info->detail.source_info.has_locator);
  90 }
  91
  92 void
  93 tui_set_win_highlight (struct tui_win_info *win_info,
  94                        int highlight)
  95 {
  96   if (win_info != NULL)
  97     win_info->is_highlighted = highlight;
  98 }
  99
 100 /******************************************
 101 ** ACCESSORS & MUTATORS FOR PRIVATE DATA
 102 ******************************************/
 103
 104 /* Answer a whether the terminal window has been resized or not.  */
 105 int
 106 tui_win_resized (void)
 107 {
 108   return win_resized;
 109 }
 110
 111
 112 /* Set a whether the terminal window has been resized or not.  */
 113 void
 114 tui_set_win_resized_to (int resized)
 115 {
 116   win_resized = resized;
 117 }
 118
 119
 120 /* Answer a pointer to the current layout definition.  */
 121 struct tui_layout_def *
 122 tui_layout_def (void)
 123 {
 124   return &layout_def;
 125 }
 126
 127
 128 /* Answer the window with the logical focus.  */
 129 struct tui_win_info *
 130 tui_win_with_focus (void)
 131 {
 132   return win_with_focus;
 133 }
 134
 135
 136 /* Set the window that has the logical focus.  */
 137 void
 138 tui_set_win_with_focus (struct tui_win_info *win_info)
 139 {
 140   win_with_focus = win_info;
 141 }
 142
 143
 144 /* Answer the length in chars, of tabs.  */
 145 int
 146 tui_default_tab_len (void)
 147 {
 148   return default_tab_len;
 149 }
 150
 151
 152 /* Set the length in chars, of tabs.  */
 153 void
 154 tui_set_default_tab_len (int len)
 155 {
 156   default_tab_len = len;
 157 }
 158
 159
 160 /* Accessor for the current source window.  Usually there is only one
 161    source window (either source or disassembly), but both can be
 162    displayed at the same time.  */
 163 struct tui_list *
 164 tui_source_windows (void)
 165 {
 166   return &source_windows;
 167 }
 168
 169
 170 /* Clear the list of source windows.  Usually there is only one source
 171    window (either source or disassembly), but both can be displayed at
 172    the same time.  */
 173 void
 174 tui_clear_source_windows (void)
 175 {
 176   source_windows.list[0] = NULL;
 177   source_windows.list[1] = NULL;
 178   source_windows.count = 0;
 179 }
 180
 181
 182 /* Clear the pertinant detail in the source windows.  */
 183 void
 184 tui_clear_source_windows_detail (void)
 185 {
 186   int i;
 187
 188   for (i = 0; i < (tui_source_windows ())->count; i++)
 189     tui_clear_win_detail ((tui_source_windows ())->list[i]);
 190 }
 191
 192
 193 /* Add a window to the list of source windows.  Usually there is only
 194    one source window (either source or disassembly), but both can be
 195    displayed at the same time.  */
 196 void
 197 tui_add_to_source_windows (struct tui_win_info *win_info)
 198 {
 199   if (source_windows.count < 2)
 200     source_windows.list[source_windows.count++] = (void *) win_info;
 201 }
 202
 203
 204 /* Clear the pertinant detail in the windows.  */
 205 void
 206 tui_clear_win_detail (struct tui_win_info *win_info)
 207 {
 208   if (win_info != NULL)
 209     {
 210       switch (win_info->generic.type)
 211         {
 212         case SRC_WIN:
 213         case DISASSEM_WIN:
 214           win_info->detail.source_info.gdbarch = NULL;
 215           win_info->detail.source_info.start_line_or_addr.loa = LOA_ADDRESS;
 216           win_info->detail.source_info.start_line_or_addr.u.addr = 0;
 217           win_info->detail.source_info.horizontal_offset = 0;
 218           break;
 219         case CMD_WIN:
 220           win_info->detail.command_info.cur_line =
 221             win_info->detail.command_info.curch = 0;
 222           break;
 223         case DATA_WIN:
 224           win_info->detail.data_display_info.data_content =
 225             (tui_win_content) NULL;
 226           win_info->detail.data_display_info.data_content_count = 0;
 227           win_info->detail.data_display_info.regs_content =
 228             (tui_win_content) NULL;
 229           win_info->detail.data_display_info.regs_content_count = 0;
 230           win_info->detail.data_display_info.regs_display_type =
 231             TUI_UNDEFINED_REGS;
 232           win_info->detail.data_display_info.regs_column_count = 1;
 233           win_info->detail.data_display_info.display_regs = FALSE;
 234           break;
 235         default:
 236           break;
 237         }
 238     }
 239 }
 240
 241
 242 /* Accessor for the source execution info ptr.  */
 243 struct tui_gen_win_info *
 244 tui_source_exec_info_win_ptr (void)
 245 {
 246   return &exec_info[0];
 247 }
 248
 249
 250 /* Accessor for the disassem execution info ptr.  */
 251 struct tui_gen_win_info *
 252 tui_disassem_exec_info_win_ptr (void)
 253 {
 254   return &exec_info[1];
 255 }
 256
 257
 258 /* Accessor for the locator win info.  Answers a pointer to the static
 259    locator win info struct.  */
 260 struct tui_gen_win_info *
 261 tui_locator_win_info_ptr (void)
 262 {
 263   return &_locator;
 264 }
 265
 266
 267 /* Accessor for the term_height.  */
 268 int
 269 tui_term_height (void)
 270 {
 271   return term_height;
 272 }
 273
 274
 275 /* Mutator for the term height.  */
 276 void
 277 tui_set_term_height_to (int h)
 278 {
 279   term_height = h;
 280 }
 281
 282
 283 /* Accessor for the term_width.  */
 284 int
 285 tui_term_width (void)
 286 {
 287   return term_width;
 288 }
 289
 290
 291 /* Mutator for the term_width.  */
 292 void
 293 tui_set_term_width_to (int w)
 294 {
 295   term_width = w;
 296 }
 297
 298
 299 /* Accessor for the current layout.  */
 300 enum tui_layout_type
 301 tui_current_layout (void)
 302 {
 303   return current_layout;
 304 }
 305
 306
 307 /* Mutator for the current layout.  */
 308 void
 309 tui_set_current_layout_to (enum tui_layout_type new_layout)
 310 {
 311   current_layout = new_layout;
 312 }
 313
 314
 315 /* Set the origin of the window.  */
 316 void
 317 set_gen_win_origin (struct tui_gen_win_info *win_info,
 318                     int x, int y)
 319 {
 320   win_info->origin.x = x;
 321   win_info->origin.y = y;
 322 }
 323
 324
 325 /*****************************
 326 ** OTHER PUBLIC FUNCTIONS
 327 *****************************/
 328
 329
 330 /* Answer the next window in the list, cycling back to the top if
 331    necessary.  */
 332 struct tui_win_info *
 333 tui_next_win (struct tui_win_info *cur_win)
 334 {
 335   enum tui_win_type type = cur_win->generic.type;
 336   struct tui_win_info *next_win = (struct tui_win_info *) NULL;
 337
 338   if (cur_win->generic.type == CMD_WIN)
 339     type = SRC_WIN;
 340   else
 341     type = cur_win->generic.type + 1;
 342   while (type != cur_win->generic.type && (next_win == NULL))
 343     {
 344       if (tui_win_list[type]
 345           && tui_win_list[type]->generic.is_visible)
 346         next_win = tui_win_list[type];
 347       else
 348         {
 349           if (type == CMD_WIN)
 350             type = SRC_WIN;
 351           else
 352             type++;
 353         }
 354     }
 355
 356   return next_win;
 357 }
 358
 359
 360 /* Answer the prev window in the list, cycling back to the bottom if
 361    necessary.  */
 362 struct tui_win_info *
 363 tui_prev_win (struct tui_win_info *cur_win)
 364 {
 365   enum tui_win_type type = cur_win->generic.type;
 366   struct tui_win_info *prev = (struct tui_win_info *) NULL;
 367
 368   if (cur_win->generic.type == SRC_WIN)
 369     type = CMD_WIN;
 370   else
 371     type = cur_win->generic.type - 1;
 372   while (type != cur_win->generic.type && (prev == NULL))
 373     {
 374       if (tui_win_list[type]
 375           && tui_win_list[type]->generic.is_visible)
 376         prev = tui_win_list[type];
 377       else
 378         {
 379           if (type == SRC_WIN)
 380             type = CMD_WIN;
 381           else
 382             type--;
 383         }
 384     }
 385
 386   return prev;
 387 }
 388
 389
 390 /* Answer the window represented by name.  */
 391 struct tui_win_info *
 392 tui_partial_win_by_name (char *name)
 393 {
 394   struct tui_win_info *win_info = (struct tui_win_info *) NULL;
 395
 396   if (name != (char *) NULL)
 397     {
 398       int i = 0;
 399
 400       while (i < MAX_MAJOR_WINDOWS && win_info == NULL)
 401         {
 402           if (tui_win_list[i] != 0)
 403             {
 404               char *cur_name = tui_win_name (&tui_win_list[i]->generic);
 405
 406               if (strlen (name) <= strlen (cur_name)
 407                   && strncmp (name, cur_name, strlen (name)) == 0)
 408                 win_info = tui_win_list[i];
 409             }
 410           i++;
 411         }
 412     }
 413
 414   return win_info;
 415 }
 416
 417
 418 /* Answer the name of the window.  */
 419 char *
 420 tui_win_name (struct tui_gen_win_info *win_info)
 421 {
 422   char *name = (char *) NULL;
 423
 424   switch (win_info->type)
 425     {
 426     case SRC_WIN:
 427       name = SRC_NAME;
 428       break;
 429     case CMD_WIN:
 430       name = CMD_NAME;
 431       break;
 432     case DISASSEM_WIN:
 433       name = DISASSEM_NAME;
 434       break;
 435     case DATA_WIN:
 436       name = DATA_NAME;
 437       break;
 438     default:
 439       name = "";
 440       break;
 441     }
 442
 443   return name;
 444 }
 445
 446
 447 void
 448 tui_initialize_static_data (void)
 449 {
 450   tui_init_generic_part (tui_source_exec_info_win_ptr ());
 451   tui_init_generic_part (tui_disassem_exec_info_win_ptr ());
 452   tui_init_generic_part (tui_locator_win_info_ptr ());
 453 }
 454
 455
 456 struct tui_gen_win_info *
 457 tui_alloc_generic_win_info (void)
 458 {
 459   struct tui_gen_win_info *win;
 460
 461   if ((win = XMALLOC (struct tui_gen_win_info)) != NULL)
 462     tui_init_generic_part (win);
 463
 464   return win;
 465 }
 466
 467
 468 void
 469 tui_init_generic_part (struct tui_gen_win_info *win)
 470 {
 471   win->width =
 472     win->height =
 473     win->origin.x =
 474     win->origin.y =
 475     win->viewport_height =
 476     win->content_size =
 477     win->last_visible_line = 0;
 478   win->handle = (WINDOW *) NULL;
 479   win->content = NULL;
 480   win->content_in_use =
 481     win->is_visible = FALSE;
 482   win->title = 0;
 483 }
 484
 485
 486 /* init_content_element().
 487  */
 488 static void
 489 init_content_element (struct tui_win_element *element,
 490                       enum tui_win_type type)
 491 {
 492   element->highlight = FALSE;
 493   switch (type)
 494     {
 495     case SRC_WIN:
 496     case DISASSEM_WIN:
 497       element->which_element.source.line = (char *) NULL;
 498       element->which_element.source.line_or_addr.loa = LOA_LINE;
 499       element->which_element.source.line_or_addr.u.line_no = 0;
 500       element->which_element.source.is_exec_point = FALSE;
 501       element->which_element.source.has_break = FALSE;
 502       break;
 503     case DATA_WIN:
 504       tui_init_generic_part (&element->which_element.data_window);
 505       element->which_element.data_window.type = DATA_ITEM_WIN;
 506       ((struct tui_gen_win_info *) & element->which_element.data_window)->content =
 507         (void **) tui_alloc_content (1, DATA_ITEM_WIN);
 508       ((struct tui_gen_win_info *)
 509        & element->which_element.data_window)->content_size = 1;
 510       break;
 511     case CMD_WIN:
 512       element->which_element.command.line = (char *) NULL;
 513       break;
 514     case DATA_ITEM_WIN:
 515       element->which_element.data.name = (char *) NULL;
 516       element->which_element.data.type = TUI_REGISTER;
 517       element->which_element.data.item_no = UNDEFINED_ITEM;
 518       element->which_element.data.value = NULL;
 519       element->which_element.data.highlight = FALSE;
 520       element->which_element.data.content = (char*) NULL;
 521       break;
 522     case LOCATOR_WIN:
 523       element->which_element.locator.file_name[0] =
 524         element->which_element.locator.proc_name[0] = (char) 0;
 525       element->which_element.locator.line_no = 0;
 526       element->which_element.locator.addr = 0;
 527       break;
 528     case EXEC_INFO_WIN:
 529       memset(element->which_element.simple_string, ' ',
 530              sizeof(element->which_element.simple_string));
 531       break;
 532     default:
 533       break;
 534     }
 535 }
 536
 537 static void
 538 init_win_info (struct tui_win_info *win_info)
 539 {
 540   tui_init_generic_part (&win_info->generic);
 541   win_info->can_highlight =
 542     win_info->is_highlighted = FALSE;
 543   switch (win_info->generic.type)
 544     {
 545     case SRC_WIN:
 546     case DISASSEM_WIN:
 547       win_info->detail.source_info.execution_info = (struct tui_gen_win_info *) NULL;
 548       win_info->detail.source_info.has_locator = FALSE;
 549       win_info->detail.source_info.horizontal_offset = 0;
 550       win_info->detail.source_info.gdbarch = NULL;
 551       win_info->detail.source_info.start_line_or_addr.loa = LOA_ADDRESS;
 552       win_info->detail.source_info.start_line_or_addr.u.addr = 0;
 553       win_info->detail.source_info.filename = 0;
 554       break;
 555     case DATA_WIN:
 556       win_info->detail.data_display_info.data_content = (tui_win_content) NULL;
 557       win_info->detail.data_display_info.data_content_count = 0;
 558       win_info->detail.data_display_info.regs_content = (tui_win_content) NULL;
 559       win_info->detail.data_display_info.regs_content_count = 0;
 560       win_info->detail.data_display_info.regs_display_type =
 561         TUI_UNDEFINED_REGS;
 562       win_info->detail.data_display_info.regs_column_count = 1;
 563       win_info->detail.data_display_info.display_regs = FALSE;
 564       win_info->detail.data_display_info.current_group = 0;
 565       break;
 566     case CMD_WIN:
 567       win_info->detail.command_info.cur_line = 0;
 568       win_info->detail.command_info.curch = 0;
 569       break;
 570     default:
 571       win_info->detail.opaque = NULL;
 572       break;
 573     }
 574 }
 575
 576
 577 struct tui_win_info *
 578 tui_alloc_win_info (enum tui_win_type type)
 579 {
 580   struct tui_win_info *win_info;
 581
 582   win_info = XMALLOC (struct tui_win_info);
 583   if (win_info != NULL)
 584     {
 585       win_info->generic.type = type;
 586       init_win_info (win_info);
 587     }
 588
 589   return win_info;
 590 }
 591
 592
 593 /* Allocates the content and elements in a block.  */
 594 tui_win_content
 595 tui_alloc_content (int num_elements, enum tui_win_type type)
 596 {
 597   tui_win_content content;
 598   char *element_block_ptr;
 599   int i;
 600
 601   content = xmalloc (sizeof (struct tui_win_element *) *num_elements);
 602   if (content != NULL)
 603     {
 604       /*
 605        * All windows, except the data window, can allocate the
 606        * elements in a chunk.  The data window cannot because items
 607        * can be added/removed from the data display by the user at any
 608        * time.
 609        */
 610       if (type != DATA_WIN)
 611         {
 612           element_block_ptr =
 613             xmalloc (sizeof (struct tui_win_element) * num_elements);
 614           if (element_block_ptr != NULL)
 615             {
 616               for (i = 0; i < num_elements; i++)
 617                 {
 618                   content[i] = (struct tui_win_element *) element_block_ptr;
 619                   init_content_element (content[i], type);
 620                   element_block_ptr += sizeof (struct tui_win_element);
 621                 }
 622             }
 623           else
 624             {
 625               xfree (content);
 626               content = (tui_win_content) NULL;
 627             }
 628         }
 629     }
 630
 631   return content;
 632 }
 633
 634
 635 /* Adds the input number of elements to the windows's content.  If no
 636    content has been allocated yet, alloc_content() is called to do
 637    this.  The index of the first element added is returned, unless
 638    there is a memory allocation error, in which case, (-1) is
 639    returned.  */
 640 int
 641 tui_add_content_elements (struct tui_gen_win_info *win_info,
 642                           int num_elements)
 643 {
 644   struct tui_win_element *element_ptr;
 645   int i, index_start;
 646
 647   if (win_info->content == NULL)
 648     {
 649       win_info->content = (void **) tui_alloc_content (num_elements, win_info->type);
 650       index_start = 0;
 651     }
 652   else
 653     index_start = win_info->content_size;
 654   if (win_info->content != NULL)
 655     {
 656       for (i = index_start; (i < num_elements + index_start); i++)
 657         {
 658           if ((element_ptr = XMALLOC (struct tui_win_element)) != NULL)
 659             {
 660               win_info->content[i] = (void *) element_ptr;
 661               init_content_element (element_ptr, win_info->type);
 662               win_info->content_size++;
 663             }
 664           else  /* Things must be really hosed now!  We ran out of
 665                    memory!?  */
 666             return (-1);
 667         }
 668     }
 669
 670   return index_start;
 671 }
 672
 673
 674 /* Delete all curses windows associated with win_info, leaving
 675    everything else intact.  */
 676 void
 677 tui_del_window (struct tui_win_info *win_info)
 678 {
 679   struct tui_gen_win_info *generic_win;
 680
 681   switch (win_info->generic.type)
 682     {
 683     case SRC_WIN:
 684     case DISASSEM_WIN:
 685       generic_win = tui_locator_win_info_ptr ();
 686       if (generic_win != (struct tui_gen_win_info *) NULL)
 687         {
 688           tui_delete_win (generic_win->handle);
 689           generic_win->handle = (WINDOW *) NULL;
 690           generic_win->is_visible = FALSE;
 691         }
 692       if (win_info->detail.source_info.filename)
 693         {
 694           xfree (win_info->detail.source_info.filename);
 695           win_info->detail.source_info.filename = 0;
 696         }
 697       generic_win = win_info->detail.source_info.execution_info;
 698       if (generic_win != (struct tui_gen_win_info *) NULL)
 699         {
 700           tui_delete_win (generic_win->handle);
 701           generic_win->handle = (WINDOW *) NULL;
 702           generic_win->is_visible = FALSE;
 703         }
 704       break;
 705     case DATA_WIN:
 706       if (win_info->generic.content != NULL)
 707         {
 708           tui_del_data_windows (win_info->detail.data_display_info.regs_content,
 709                                 win_info->detail.data_display_info.regs_content_count);
 710           tui_del_data_windows (win_info->detail.data_display_info.data_content,
 711                                 win_info->detail.data_display_info.data_content_count);
 712         }
 713       break;
 714     default:
 715       break;
 716     }
 717   if (win_info->generic.handle != (WINDOW *) NULL)
 718     {
 719       tui_delete_win (win_info->generic.handle);
 720       win_info->generic.handle = (WINDOW *) NULL;
 721       win_info->generic.is_visible = FALSE;
 722     }
 723 }
 724
 725
 726 void
 727 tui_free_window (struct tui_win_info *win_info)
 728 {
 729   struct tui_gen_win_info *generic_win;
 730
 731   switch (win_info->generic.type)
 732     {
 733     case SRC_WIN:
 734     case DISASSEM_WIN:
 735       generic_win = tui_locator_win_info_ptr ();
 736       if (generic_win != (struct tui_gen_win_info *) NULL)
 737         {
 738           tui_delete_win (generic_win->handle);
 739           generic_win->handle = (WINDOW *) NULL;
 740         }
 741       tui_free_win_content (generic_win);
 742       if (win_info->detail.source_info.filename)
 743         {
 744           xfree (win_info->detail.source_info.filename);
 745           win_info->detail.source_info.filename = 0;
 746         }
 747       generic_win = win_info->detail.source_info.execution_info;
 748       if (generic_win != (struct tui_gen_win_info *) NULL)
 749         {
 750           tui_delete_win (generic_win->handle);
 751           generic_win->handle = (WINDOW *) NULL;
 752           tui_free_win_content (generic_win);
 753         }
 754       break;
 755     case DATA_WIN:
 756       if (win_info->generic.content != NULL)
 757         {
 758           tui_free_data_content (win_info->detail.data_display_info.regs_content,
 759                                  win_info->detail.data_display_info.regs_content_count);
 760           win_info->detail.data_display_info.regs_content =
 761             (tui_win_content) NULL;
 762           win_info->detail.data_display_info.regs_content_count = 0;
 763           tui_free_data_content (win_info->detail.data_display_info.data_content,
 764                                  win_info->detail.data_display_info.data_content_count);
 765           win_info->detail.data_display_info.data_content =
 766             (tui_win_content) NULL;
 767           win_info->detail.data_display_info.data_content_count = 0;
 768           win_info->detail.data_display_info.regs_display_type =
 769             TUI_UNDEFINED_REGS;
 770           win_info->detail.data_display_info.regs_column_count = 1;
 771           win_info->detail.data_display_info.display_regs = FALSE;
 772           win_info->generic.content = NULL;
 773           win_info->generic.content_size = 0;
 774         }
 775       break;
 776     default:
 777       break;
 778     }
 779   if (win_info->generic.handle != (WINDOW *) NULL)
 780     {
 781       tui_delete_win (win_info->generic.handle);
 782       win_info->generic.handle = (WINDOW *) NULL;
 783       tui_free_win_content (&win_info->generic);
 784     }
 785   if (win_info->generic.title)
 786     xfree (win_info->generic.title);
 787   xfree (win_info);
 788 }
 789
 790
 791 void
 792 tui_free_all_source_wins_content (void)
 793 {
 794   int i;
 795
 796   for (i = 0; i < (tui_source_windows ())->count; i++)
 797     {
 798       struct tui_win_info *win_info = (tui_source_windows ())->list[i];
 799
 800       if (win_info != NULL)
 801         {
 802           tui_free_win_content (&(win_info->generic));
 803           tui_free_win_content (win_info->detail.source_info.execution_info);
 804         }
 805     }
 806 }
 807
 808
 809 void
 810 tui_free_win_content (struct tui_gen_win_info *win_info)
 811 {
 812   if (win_info->content != NULL)
 813     {
 814       free_content ((tui_win_content) win_info->content,
 815                    win_info->content_size,
 816                    win_info->type);
 817       win_info->content = NULL;
 818     }
 819   win_info->content_size = 0;
 820 }
 821
 822
 823 void
 824 tui_del_data_windows (tui_win_content content,
 825                       int content_size)
 826 {
 827   int i;
 828
 829   /* Remember that data window content elements are of type struct
 830      tui_gen_win_info *, each of which whose single element is a data
 831      element.  */
 832   for (i = 0; i < content_size; i++)
 833     {
 834       struct tui_gen_win_info *generic_win = &content[i]->which_element.data_window;
 835
 836       if (generic_win != (struct tui_gen_win_info *) NULL)
 837         {
 838           tui_delete_win (generic_win->handle);
 839           generic_win->handle = (WINDOW *) NULL;
 840           generic_win->is_visible = FALSE;
 841         }
 842     }
 843 }
 844
 845
 846 void
 847 tui_free_data_content (tui_win_content content,
 848                        int content_size)
 849 {
 850   int i;
 851
 852   /* Remember that data window content elements are of type struct
 853      tui_gen_win_info *, each of which whose single element is a data
 854      element.  */
 855   for (i = 0; i < content_size; i++)
 856     {
 857       struct tui_gen_win_info *generic_win = &content[i]->which_element.data_window;
 858
 859       if (generic_win != (struct tui_gen_win_info *) NULL)
 860         {
 861           tui_delete_win (generic_win->handle);
 862           generic_win->handle = (WINDOW *) NULL;
 863           tui_free_win_content (generic_win);
 864         }
 865     }
 866   free_content (content,
 867                 content_size,
 868                 DATA_WIN);
 869 }
 870
 871
 872 /**********************************
 873 ** LOCAL STATIC FUNCTIONS        **
 874 **********************************/
 875
 876
 877 static void
 878 free_content (tui_win_content content,
 879               int content_size,
 880               enum tui_win_type win_type)
 881 {
 882   if (content != (tui_win_content) NULL)
 883     {
 884       free_content_elements (content, content_size, win_type);
 885       xfree (content);
 886     }
 887 }
 888
 889
 890 /* free_content_elements().
 891  */
 892 static void
 893 free_content_elements (tui_win_content content,
 894                        int content_size,
 895                        enum tui_win_type type)
 896 {
 897   if (content != (tui_win_content) NULL)
 898     {
 899       int i;
 900
 901       if (type == SRC_WIN || type == DISASSEM_WIN)
 902         {
 903           /* Free whole source block.  */
 904           xfree (content[0]->which_element.source.line);
 905         }
 906       else
 907         {
 908           for (i = 0; i < content_size; i++)
 909             {
 910               struct tui_win_element *element;
 911
 912               element = content[i];
 913               if (element != (struct tui_win_element *) NULL)
 914                 {
 915                   switch (type)
 916                     {
 917                     case DATA_WIN:
 918                       xfree (element);
 919                       break;
 920                     case DATA_ITEM_WIN:
 921                       /* Note that data elements are not allocated in
 922                          a single block, but individually, as
 923                          needed.  */
 924                       if (element->which_element.data.type != TUI_REGISTER)
 925                         xfree ((void *)element->which_element.data.name);
 926                       xfree (element->which_element.data.value);
 927                       xfree (element->which_element.data.content);
 928                       xfree (element);
 929                       break;
 930                     case CMD_WIN:
 931                       xfree (element->which_element.command.line);
 932                       break;
 933                     default:
 934                       break;
 935                     }
 936                 }
 937             }
 938         }
 939       if (type != DATA_WIN && type != DATA_ITEM_WIN)
 940         xfree (content[0]);     /* Free the element block.  */
 941     }
 942 }