gdb/tui/tui-data.h

   1 /* TUI data manipulation routines.
   2
   3    Copyright 1998, 1999, 2000, 2001, 2002, 2004 Free Software
   4    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 2 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, write to the Free Software
  22    Foundation, Inc., 59 Temple Place - Suite 330,
  23    Boston, MA 02111-1307, USA.  */
  24
  25 #ifndef TUI_DATA_H
  26 #define TUI_DATA_H
  27
  28 #if defined (HAVE_NCURSES_H)
  29 #include <ncurses.h>
  30 #elif defined (HAVE_CURSES_H)
  31 #include <curses.h>
  32 #endif
  33
  34 /* Generic window information */
  35      typedef struct tui_gen_win_info
  36        {
  37          WINDOW *handle;        /* window handle */
  38          TuiWinType type;       /* type of window */
  39          int width;             /* window width */
  40          int height;            /* window height */
  41          TuiPoint origin;       /* origin of window */
  42          OpaquePtr content;     /* content of window */
  43          int contentSize;       /* Size of content (# of elements) */
  44          int contentInUse;      /* Can it be used, or is it already used? */
  45          int viewportHeight;    /* viewport height */
  46          int lastVisibleLine;   /* index of last visible line */
  47          int isVisible;         /* whether the window is visible or not */
  48          char* title;          /* Window title to display.  */
  49        }
  50 TuiGenWinInfo, *TuiGenWinInfoPtr;
  51
  52 /* Constant definitions */
  53 #define DEFAULT_TAB_LEN                8
  54 #define NO_SRC_STRING                  "[ No Source Available ]"
  55 #define NO_DISASSEM_STRING             "[ No Assembly Available ]"
  56 #define NO_REGS_STRING                 "[ Register Values Unavailable ]"
  57 #define NO_DATA_STRING                 "[ No Data Values Displayed ]"
  58 #define MAX_CONTENT_COUNT              100
  59 #define SRC_NAME                       "SRC"
  60 #define CMD_NAME                       "CMD"
  61 #define DATA_NAME                      "REGS"
  62 #define DISASSEM_NAME                  "ASM"
  63 #define TUI_NULL_STR                   ""
  64 #define DEFAULT_HISTORY_COUNT          25
  65 #define BOX_WINDOW                     TRUE
  66 #define DONT_BOX_WINDOW                FALSE
  67 #define HILITE                         TRUE
  68 #define NO_HILITE                      FALSE
  69 #define WITH_LOCATOR                   TRUE
  70 #define NO_LOCATOR                     FALSE
  71 #define EMPTY_SOURCE_PROMPT            TRUE
  72 #define NO_EMPTY_SOURCE_PROMPT         FALSE
  73 #define UNDEFINED_ITEM                 -1
  74 #define MIN_WIN_HEIGHT                 3
  75 #define MIN_CMD_WIN_HEIGHT             3
  76
  77 /* Strings to display in the TUI status line.  */
  78 #define PROC_PREFIX                    "In: "
  79 #define LINE_PREFIX                    "Line: "
  80 #define PC_PREFIX                      "PC: "
  81 #define SINGLE_KEY                     "(SingleKey)"
  82
  83 /* Minimum/Maximum length of some fields displayed in the TUI status line.  */
  84 #define MIN_LINE_WIDTH     4 /* Use at least 4 digits for line numbers.  */
  85 #define MIN_PROC_WIDTH    12
  86 #define MAX_TARGET_WIDTH  10
  87 #define MAX_PID_WIDTH     14
  88
  89 #define TUI_FLOAT_REGS_NAME                  "$FREGS"
  90 #define TUI_FLOAT_REGS_NAME_LOWER            "$fregs"
  91 #define TUI_GENERAL_REGS_NAME                "$GREGS"
  92 #define TUI_GENERAL_REGS_NAME_LOWER          "$gregs"
  93 #define TUI_SPECIAL_REGS_NAME                "$SREGS"
  94 #define TUI_SPECIAL_REGS_NAME_LOWER          "$sregs"
  95 #define TUI_GENERAL_SPECIAL_REGS_NAME        "$REGS"
  96 #define TUI_GENERAL_SPECIAL_REGS_NAME_LOWER  "$regs"
  97
  98 /* Scroll direction enum */
  99 typedef enum tui_scroll_direction
 100   {
 101     FORWARD_SCROLL,
 102     BACKWARD_SCROLL,
 103     LEFT_SCROLL,
 104     RIGHT_SCROLL
 105   }
 106 TuiScrollDirection, *TuiScrollDirectionPtr;
 107
 108
 109 /* General list struct */
 110 typedef struct tui_list
 111   {
 112     OpaqueList list;
 113     int count;
 114   }
 115 TuiList, *TuiListPtr;
 116
 117
 118 /* The kinds of layouts available */
 119 typedef enum tui_layout_type
 120   {
 121     SRC_COMMAND,
 122     DISASSEM_COMMAND,
 123     SRC_DISASSEM_COMMAND,
 124     SRC_DATA_COMMAND,
 125     DISASSEM_DATA_COMMAND,
 126     UNDEFINED_LAYOUT
 127   }
 128 TuiLayoutType, *TuiLayoutTypePtr;
 129
 130 /* Basic data types that can be displayed in the data window. */
 131 typedef enum tui_data_type
 132   {
 133     TUI_REGISTER,
 134     TUI_SCALAR,
 135     TUI_COMPLEX,
 136     TUI_STRUCT
 137   }
 138 TuiDataType, TuiDataTypePtr;
 139
 140 /* Types of register displays */
 141 typedef enum tui_register_display_type
 142   {
 143     TUI_UNDEFINED_REGS,
 144     TUI_GENERAL_REGS,
 145     TUI_SFLOAT_REGS,
 146     TUI_DFLOAT_REGS,
 147     TUI_SPECIAL_REGS,
 148     TUI_GENERAL_AND_SPECIAL_REGS
 149   }
 150 TuiRegisterDisplayType, *TuiRegisterDisplayTypePtr;
 151
 152 /* Structure describing source line or line address */
 153 typedef union tui_line_or_address
 154   {
 155     int lineNo;
 156     CORE_ADDR addr;
 157   }
 158 TuiLineOrAddress, *TuiLineOrAddressPtr;
 159
 160 /* Current Layout definition */
 161 typedef struct tui_layout_def
 162   {
 163     TuiWinType displayMode;
 164     int split;
 165     TuiRegisterDisplayType regsDisplayType;
 166     TuiRegisterDisplayType floatRegsDisplayType;
 167   }
 168 TuiLayoutDef, *TuiLayoutDefPtr;
 169
 170 /* Elements in the Source/Disassembly Window */
 171 typedef struct tui_source_element
 172   {
 173     char *line;
 174     TuiLineOrAddress lineOrAddr;
 175     int isExecPoint;
 176     int hasBreak;
 177   }
 178 TuiSourceElement, *TuiSourceElementPtr;
 179
 180
 181 /* Elements in the data display window content */
 182 typedef struct tui_data_element
 183   {
 184     const char *name;
 185     int itemNo;                 /* the register number, or data display number */
 186     TuiDataType type;
 187     Opaque value;
 188     int highlight;
 189   }
 190 TuiDataElement, *TuiDataElementPtr;
 191
 192
 193 /* Elements in the command window content */
 194 typedef struct tui_command_element
 195   {
 196     char *line;
 197   }
 198 TuiCommandElement, *TuiCommandElementPtr;
 199
 200
 201 #define MAX_LOCATOR_ELEMENT_LEN        100
 202
 203 /* Elements in the locator window content */
 204 typedef struct tui_locator_element
 205   {
 206     char fileName[MAX_LOCATOR_ELEMENT_LEN];
 207     char procName[MAX_LOCATOR_ELEMENT_LEN];
 208     int lineNo;
 209     CORE_ADDR addr;
 210   }
 211 TuiLocatorElement, *TuiLocatorElementPtr;
 212
 213 /* Flags to tell what kind of breakpoint is at current line.  */
 214 #define TUI_BP_ENABLED      0x01
 215 #define TUI_BP_DISABLED     0x02
 216 #define TUI_BP_HIT          0x04
 217 #define TUI_BP_CONDITIONAL  0x08
 218 #define TUI_BP_HARDWARE     0x10
 219
 220 /* Position of breakpoint markers in the exec info string.  */
 221 #define TUI_BP_HIT_POS      0
 222 #define TUI_BP_BREAK_POS    1
 223 #define TUI_EXEC_POS        2
 224 #define TUI_EXECINFO_SIZE   4
 225
 226 typedef char TuiExecInfoContent[TUI_EXECINFO_SIZE];
 227
 228 /* An content element in a window */
 229 typedef union tui_which_element
 230   {
 231     TuiSourceElement source;    /* the source elements */
 232     TuiGenWinInfo dataWindow;   /* data display elements */
 233     TuiDataElement data;        /* elements of dataWindow */
 234     TuiCommandElement command;  /* command elements */
 235     TuiLocatorElement locator;  /* locator elements */
 236     TuiExecInfoContent simpleString;    /* simple char based elements */
 237   }
 238 TuiWhichElement, *TuiWhichElementPtr;
 239
 240 typedef struct tui_win_element
 241   {
 242     int highlight;
 243     TuiWhichElement whichElement;
 244   }
 245 TuiWinElement, *TuiWinElementPtr;
 246
 247
 248 /* This describes the content of the window. */
 249 typedef TuiWinElementPtr *TuiWinContent;
 250
 251
 252 /* This struct defines the specific information about a data display window */
 253 typedef struct tui_data_info
 254   {
 255     TuiWinContent dataContent;  /* start of data display content */
 256     int dataContentCount;
 257     TuiWinContent regsContent;  /* start of regs display content */
 258     int regsContentCount;
 259     TuiRegisterDisplayType regsDisplayType;
 260     int regsColumnCount;
 261     int displayRegs;            /* Should regs be displayed at all? */
 262   }
 263 TuiDataInfo, *TuiDataInfoPtr;
 264
 265
 266 typedef struct tui_source_info
 267   {
 268     int hasLocator;             /* Does locator belongs to this window? */
 269     TuiGenWinInfoPtr executionInfo;     /* execution information window */
 270     int horizontalOffset;       /* used for horizontal scroll */
 271     TuiLineOrAddress startLineOrAddr;
 272     char* filename;
 273   }
 274 TuiSourceInfo, *TuiSourceInfoPtr;
 275
 276
 277 typedef struct tui_command_info
 278   {
 279     int curLine;                /* The current line position */
 280     int curch;                  /* The current cursor position */
 281     int start_line;
 282   }
 283 TuiCommandInfo, *TuiCommandInfoPtr;
 284
 285
 286 /* This defines information about each logical window */
 287 typedef struct tui_win_info
 288   {
 289     TuiGenWinInfo generic;      /* general window information */
 290     union
 291       {
 292         TuiSourceInfo sourceInfo;
 293         TuiDataInfo dataDisplayInfo;
 294         TuiCommandInfo commandInfo;
 295         Opaque opaque;
 296       }
 297     detail;
 298     int canHighlight;           /* Can this window ever be highlighted? */
 299     int isHighlighted;          /* Is this window highlighted? */
 300   }
 301 TuiWinInfo, *TuiWinInfoPtr;
 302
 303 /* MACROS (prefixed with m_) */
 304
 305 /* Testing macros */
 306 #define        m_genWinPtrIsNull(winInfo) \
 307                 ((winInfo) == (TuiGenWinInfoPtr)NULL)
 308 #define        m_genWinPtrNotNull(winInfo) \
 309                 ((winInfo) != (TuiGenWinInfoPtr)NULL)
 310 #define        m_winPtrIsNull(winInfo) \
 311                 ((winInfo) == (TuiWinInfoPtr)NULL)
 312 #define        m_winPtrNotNull(winInfo) \
 313                 ((winInfo) != (TuiWinInfoPtr)NULL)
 314
 315 #define        m_winIsSourceType(type) \
 316                 (type == SRC_WIN || type == DISASSEM_WIN)
 317 #define        m_winIsAuxillary(winType) \
 318                 (winType > MAX_MAJOR_WINDOWS)
 319 #define        m_hasLocator(winInfo) \
 320                 ( ((winInfo) != (TuiWinInfoPtr)NULL) ? \
 321                     (winInfo->detail.sourceInfo.hasLocator) : \
 322                     FALSE )
 323
 324 #define     m_setWinHighlightOn(winInfo) \
 325                 if ((winInfo) != (TuiWinInfoPtr)NULL) \
 326                               (winInfo)->isHighlighted = TRUE
 327 #define     m_setWinHighlightOff(winInfo) \
 328                 if ((winInfo) != (TuiWinInfoPtr)NULL) \
 329                               (winInfo)->isHighlighted = FALSE
 330
 331
 332 /* Global Data */
 333 extern TuiWinInfoPtr winList[MAX_MAJOR_WINDOWS];
 334
 335 /* Macros */
 336 #define srcWin            winList[SRC_WIN]
 337 #define disassemWin       winList[DISASSEM_WIN]
 338 #define dataWin           winList[DATA_WIN]
 339 #define cmdWin            winList[CMD_WIN]
 340
 341 /* Data Manipulation Functions */
 342 extern void tui_initialize_static_data (void);
 343 extern struct tui_gen_win_info *tui_alloc_generic_win_info (void);
 344 extern struct tui_win_info *tui_alloc_win_info (TuiWinType);
 345 extern void tui_init_generic_part (struct tui_gen_win_info *);
 346 extern void tui_init_win_info (struct tui_win_info *);
 347 extern TuiWinContent tui_alloc_content (int, enum tui_win_type);
 348 extern int tui_add_content_elements (struct tui_gen_win_info *, int);
 349 extern void tui_init_content_element (struct tui_win_element *, enum tui_win_type);
 350 extern void tui_free_window (struct tui_win_info *);
 351 extern void tui_free_win_content (struct tui_gen_win_info *);
 352 extern void tui_free_data_content (TuiWinContent, int);
 353 extern void tui_free_all_source_wins_content (void);
 354 extern void tui_del_window (struct tui_win_info *);
 355 extern void tui_del_data_windows (TuiWinContent, int);
 356 extern struct tui_win_info *tui_partial_win_by_name (char *);
 357 extern char *tui_win_name (struct tui_gen_win_info *);
 358 extern TuiLayoutType tui_current_layout (void);
 359 extern void tui_set_current_layout_to (TuiLayoutType);
 360 extern int tui_term_height (void);
 361 extern void tui_set_term_height_to (int);
 362 extern int tui_term_width (void);
 363 extern void tui_set_term_width_to (int);
 364 extern void tui_set_gen_win_origin (struct tui_gen_win_info *, int, int);
 365 extern struct tui_gen_win_info *tui_locator_win_info_ptr (void);
 366 extern struct tui_gen_win_info *tui_source_exec_info_win_ptr (void);
 367 extern struct tui_gen_win_info *tui_disassem_exec_info_win_ptr (void);
 368 extern TuiListPtr tui_source_windows (void);
 369 extern void tui_clear_source_windows (void);
 370 extern void tui_clear_source_windows_detail (void);
 371 extern void tui_clear_win_detail (struct tui_win_info * winInfo);
 372 extern void tui_add_to_source_windows (struct tui_win_info *);
 373 extern int tui_default_tab_len (void);
 374 extern void tui_set_default_tab_len (int);
 375 extern struct tui_win_info *tui_win_with_focus (void);
 376 extern void tui_set_win_with_focus (struct tui_win_info *);
 377 extern TuiLayoutDefPtr tui_layout_def (void);
 378 extern int tui_win_resized (void);
 379 extern void tui_set_win_resized_to (int);
 380
 381 extern struct tui_win_info *tui_next_win (struct tui_win_info *);
 382 extern struct tui_win_info *tui_prev_win (struct tui_win_info *);
 383
 384 extern void tui_add_to_source_windows (struct tui_win_info * winInfo);
 385
 386 #endif /* TUI_DATA_H */