X-Git-Url: http://drtracing.org/?a=blobdiff_plain;f=gdb%2Ftui%2Ftui-data.h;h=23f769f6ba578e64c82a506784b3d9b6b0aad046;hb=8634b4628ea00a95ce3dfe8f9915724e8d710dad;hp=7adeb5687c91e69775def9bbf187aed07f001edf;hpb=ee1d42d6c1a05725868a8ea4855eaa81cbbda635;p=deliverable%2Fbinutils-gdb.git diff --git a/gdb/tui/tui-data.h b/gdb/tui/tui-data.h index 7adeb5687c..23f769f6ba 100644 --- a/gdb/tui/tui-data.h +++ b/gdb/tui/tui-data.h @@ -24,6 +24,11 @@ #include "tui/tui.h" /* For enum tui_win_type. */ #include "gdb_curses.h" /* For WINDOW. */ +#include "observable.h" + +struct tui_cmd_window; +struct tui_source_window_base; +struct tui_source_window; /* This is a point definition. */ struct tui_point @@ -31,77 +36,78 @@ struct tui_point int x, y; }; -struct tui_win_element; - -/* This describes the content of the window. */ -typedef struct tui_win_element **tui_win_content; - /* Generic window information. */ struct tui_gen_win_info { - WINDOW *handle; /* Window handle. */ - enum tui_win_type type; /* Type of window. */ - int width; /* Window width. */ - int height; /* Window height. */ - struct tui_point origin; /* Origin of window. */ - tui_win_content content; /* Content of window. */ - int content_size; /* Size of content (# of elements). */ - int content_in_use; /* Can it be used, or is it already used? */ - int viewport_height; /* Viewport height. */ - int last_visible_line; /* Index of last visible line. */ - int is_visible; /* Whether the window is visible or not. */ - char *title; /* Window title to display. */ +protected: + + explicit tui_gen_win_info (enum tui_win_type t) + : type (t) + { + } + + /* This is called after the window is resized, and should update the + window's contents. */ + virtual void rerender () + { + } + + virtual void make_window (); + +public: + tui_gen_win_info (tui_gen_win_info &&) = default; + + virtual ~tui_gen_win_info (); + + /* Call to refresh this window. */ + virtual void refresh_window (); + + /* Make this window visible or invisible. */ + virtual void make_visible (bool visible); + + /* Return the name of this type of window. */ + virtual const char *name () const + { + return ""; + } + + /* Resize this window. The parameters are used to set the window's + size and position. */ + virtual void resize (int height, int width, + int origin_x, int origin_y); + + /* Return true if this window is visible. */ + bool is_visible () const + { + return handle != nullptr; + } + + /* Window handle. */ + WINDOW *handle = nullptr; + /* Type of window. */ + enum tui_win_type type; + /* Window width. */ + int width = 0; + /* Window height. */ + int height = 0; + /* Origin of window. */ + struct tui_point origin = {0, 0}; + /* Viewport height. */ + int viewport_height = 0; }; /* Constant definitions. */ #define DEFAULT_TAB_LEN 8 -#define NO_SRC_STRING "[ No Source Available ]" -#define NO_DISASSEM_STRING "[ No Assembly Available ]" -#define NO_REGS_STRING "[ Register Values Unavailable ]" -#define NO_DATA_STRING "[ No Data Values Displayed ]" -#define MAX_CONTENT_COUNT 100 #define SRC_NAME "src" #define CMD_NAME "cmd" #define DATA_NAME "regs" #define DISASSEM_NAME "asm" -#define TUI_NULL_STR "" -#define DEFAULT_HISTORY_COUNT 25 -#define BOX_WINDOW TRUE -#define DONT_BOX_WINDOW FALSE -#define HILITE TRUE -#define NO_HILITE FALSE -#define WITH_LOCATOR TRUE -#define NO_LOCATOR FALSE -#define EMPTY_SOURCE_PROMPT TRUE -#define NO_EMPTY_SOURCE_PROMPT FALSE -#define UNDEFINED_ITEM -1 #define MIN_WIN_HEIGHT 3 #define MIN_CMD_WIN_HEIGHT 3 /* Strings to display in the TUI status line. */ -#define PROC_PREFIX "In: " -#define LINE_PREFIX "L" -#define PC_PREFIX "PC: " #define SINGLE_KEY "(SingleKey)" -/* Minimum/Maximum length of some fields displayed in the TUI status - line. */ -#define MIN_LINE_WIDTH 4 /* Use at least 4 digits for line - numbers. */ -#define MIN_PROC_WIDTH 12 -#define MAX_TARGET_WIDTH 10 -#define MAX_PID_WIDTH 19 - -/* Scroll direction enum. */ -enum tui_scroll_direction -{ - FORWARD_SCROLL, - BACKWARD_SCROLL, - LEFT_SCROLL, - RIGHT_SCROLL -}; - - /* The kinds of layouts available. */ enum tui_layout_type { @@ -113,15 +119,6 @@ enum tui_layout_type UNDEFINED_LAYOUT }; -/* Basic data types that can be displayed in the data window. */ -enum tui_data_type -{ - TUI_REGISTER, - TUI_SCALAR, - TUI_COMPLEX, - TUI_STRUCT -}; - enum tui_line_or_address_kind { LOA_LINE, @@ -139,236 +136,178 @@ struct tui_line_or_address } u; }; -/* Current Layout definition. */ -struct tui_layout_def +/* This defines information about each logical window. */ +struct tui_win_info : public tui_gen_win_info { - enum tui_win_type display_mode; - int split; -}; +protected: -/* Elements in the Source/Disassembly Window. */ -struct tui_source_element -{ - char *line; - struct tui_line_or_address line_or_addr; - int is_exec_point; - int has_break; -}; + explicit tui_win_info (enum tui_win_type type); + DISABLE_COPY_AND_ASSIGN (tui_win_info); + /* Scroll the contents vertically. This is only called via + forward_scroll and backward_scroll. */ + virtual void do_scroll_vertical (int num_to_scroll) = 0; -/* Elements in the data display window content. */ -struct tui_data_element -{ - const char *name; - int item_no; /* The register number, or data display - number. */ - enum tui_data_type type; - void *value; - int highlight; - char *content; -}; + /* Scroll the contents horizontally. This is only called via + left_scroll and right_scroll. */ + virtual void do_scroll_horizontal (int num_to_scroll) = 0; + void rerender () override; -/* Elements in the command window content. */ -struct tui_command_element -{ - char *line; -}; + void make_window () override; -#ifdef PATH_MAX -# define MAX_LOCATOR_ELEMENT_LEN PATH_MAX -#else -# define MAX_LOCATOR_ELEMENT_LEN 1024 -#endif +public: -/* Elements in the locator window content. */ -struct tui_locator_element -{ - /* Resolved absolute filename as returned by symtab_to_fullname. */ - char full_name[MAX_LOCATOR_ELEMENT_LEN]; - char proc_name[MAX_LOCATOR_ELEMENT_LEN]; - int line_no; - CORE_ADDR addr; - /* Architecture associated with code at this location. */ - struct gdbarch *gdbarch; -}; + ~tui_win_info () override + { + } -/* Flags to tell what kind of breakpoint is at current line. */ -#define TUI_BP_ENABLED 0x01 -#define TUI_BP_DISABLED 0x02 -#define TUI_BP_HIT 0x04 -#define TUI_BP_CONDITIONAL 0x08 -#define TUI_BP_HARDWARE 0x10 + /* Compute the maximum height of this window. */ + virtual int max_height () const; -/* Position of breakpoint markers in the exec info string. */ -#define TUI_BP_HIT_POS 0 -#define TUI_BP_BREAK_POS 1 -#define TUI_EXEC_POS 2 -#define TUI_EXECINFO_SIZE 4 + /* Called after the tab width has been changed. */ + virtual void update_tab_width () + { + } -typedef char tui_exec_info_content[TUI_EXECINFO_SIZE]; + /* Set whether this window is highglighted. */ + void set_highlight (bool highlight) + { + is_highlighted = highlight; + } -/* An content element in a window. */ -union tui_which_element -{ - struct tui_source_element source; /* The source elements. */ - struct tui_gen_win_info data_window; /* Data display elements. */ - struct tui_data_element data; /* Elements of data_window. */ - struct tui_command_element command; /* Command elements. */ - struct tui_locator_element locator; /* Locator elements. */ - tui_exec_info_content simple_string; /* Simple char based elements. */ -}; + /* Methods to scroll the contents of this window. Note that they + are named with "_scroll" coming at the end because the more + obvious "scroll_forward" is defined as a macro in term.h. */ + void forward_scroll (int num_to_scroll); + void backward_scroll (int num_to_scroll); + void left_scroll (int num_to_scroll); + void right_scroll (int num_to_scroll); -struct tui_win_element -{ - union tui_which_element which_element; -}; + /* Return true if this window can be scrolled, false otherwise. */ + virtual bool can_scroll () const + { + return true; + } -/* This struct defines the specific information about a data display - window. */ -struct tui_data_info -{ - tui_win_content data_content; /* Start of data display content. */ - int data_content_count; - tui_win_content regs_content; /* Start of regs display content. */ - int regs_content_count; - int regs_column_count; - int display_regs; /* Should regs be displayed at all? */ - struct reggroup *current_group; -}; + virtual bool can_box () const + { + return true; + } + void check_and_display_highlight_if_needed (); -struct tui_source_info -{ - int has_locator; /* Does locator belongs to this window? */ - /* Execution information window. */ - struct tui_gen_win_info *execution_info; - int horizontal_offset; /* Used for horizontal scroll. */ - struct tui_line_or_address start_line_or_addr; + /* Window title to display. */ + std::string title; - /* It is the resolved form as returned by symtab_to_fullname. */ - char *fullname; + /* Can this window ever be highlighted? */ + bool can_highlight = true; - /* Architecture associated with code at this location. */ - struct gdbarch *gdbarch; + /* Is this window highlighted? */ + bool is_highlighted = false; }; +extern int tui_win_is_auxiliary (enum tui_win_type win_type); -struct tui_command_info -{ - int start_line; -}; +/* Global Data. */ +extern struct tui_win_info *tui_win_list[MAX_MAJOR_WINDOWS]; -/* This defines information about each logical window. */ -struct tui_win_info -{ -protected: +#define TUI_SRC_WIN ((tui_source_window *) tui_win_list[SRC_WIN]) +#define TUI_DISASM_WIN ((tui_source_window_base *) tui_win_list[DISASSEM_WIN]) +#define TUI_DATA_WIN ((tui_data_window *) tui_win_list[DATA_WIN]) +#define TUI_CMD_WIN ((tui_cmd_window *) tui_win_list[CMD_WIN]) - explicit tui_win_info (enum tui_win_type type); - DISABLE_COPY_AND_ASSIGN (tui_win_info); +/* An iterator that iterates over all windows. */ +class tui_window_iterator +{ public: - virtual ~tui_win_info (); + typedef tui_window_iterator self_type; + typedef struct tui_win_info *value_type; + typedef struct tui_win_info *&reference; + typedef struct tui_win_info **pointer; + typedef std::forward_iterator_tag iterator_category; + typedef int difference_type; - /* Clear the pertinent detail in the window. */ - virtual void clear_detail () = 0; + explicit tui_window_iterator (enum tui_win_type type) + : m_type (type) + { + advance (); + } - struct tui_gen_win_info generic; /* General window information. */ - union + tui_window_iterator () + : m_type (MAX_MAJOR_WINDOWS) { - struct tui_source_info source_info; - struct tui_data_info data_display_info; - struct tui_command_info command_info; } - detail; - /* Can this window ever be highlighted? */ - int can_highlight = 0; + bool operator!= (const self_type &other) const + { + return m_type != other.m_type; + } - /* Is this window highlighted? */ - int is_highlighted = 0; -}; + value_type operator* () const + { + gdb_assert (m_type < MAX_MAJOR_WINDOWS); + return tui_win_list[m_type]; + } -struct tui_source_window : public tui_win_info -{ - explicit tui_source_window (enum tui_win_type type); - ~tui_source_window () override; - DISABLE_COPY_AND_ASSIGN (tui_source_window); + self_type &operator++ () + { + ++m_type; + advance (); + return *this; + } - void clear_detail () override; -}; +private: -struct tui_data_window : public tui_win_info -{ - tui_data_window (); - ~tui_data_window () override; - DISABLE_COPY_AND_ASSIGN (tui_data_window); + void advance () + { + while (m_type < MAX_MAJOR_WINDOWS && tui_win_list[m_type] == nullptr) + ++m_type; + } - void clear_detail () override; + int m_type; }; -struct tui_cmd_window : public tui_win_info +/* A range adapter for iterating over TUI windows. */ + +struct all_tui_windows { - tui_cmd_window (); - DISABLE_COPY_AND_ASSIGN (tui_cmd_window); + tui_window_iterator begin () const + { + return tui_window_iterator (SRC_WIN); + } - void clear_detail () override; + tui_window_iterator end () const + { + return tui_window_iterator (); + } }; -extern int tui_win_is_source_type (enum tui_win_type win_type); -extern int tui_win_is_auxillary (enum tui_win_type win_type); -extern int tui_win_has_locator (struct tui_win_info *win_info); -extern void tui_set_win_highlight (struct tui_win_info *win_info, - int highlight); - - -/* Global Data. */ -extern struct tui_win_info *tui_win_list[MAX_MAJOR_WINDOWS]; - -#define TUI_SRC_WIN tui_win_list[SRC_WIN] -#define TUI_DISASM_WIN tui_win_list[DISASSEM_WIN] -#define TUI_DATA_WIN tui_win_list[DATA_WIN] -#define TUI_CMD_WIN tui_win_list[CMD_WIN] /* Data Manipulation Functions. */ -extern void tui_initialize_static_data (void); -extern struct tui_gen_win_info *tui_alloc_generic_win_info (void); -extern struct tui_win_info *tui_alloc_win_info (enum tui_win_type); -extern void tui_init_generic_part (struct tui_gen_win_info *); -extern tui_win_content tui_alloc_content (int, enum tui_win_type); -extern int tui_add_content_elements (struct tui_gen_win_info *, - int); -extern void tui_free_win_content (struct tui_gen_win_info *); -extern void tui_free_data_content (tui_win_content, int); -extern void tui_free_all_source_wins_content (void); extern struct tui_win_info *tui_partial_win_by_name (const char *); -extern const char *tui_win_name (const struct tui_gen_win_info *); extern enum tui_layout_type tui_current_layout (void); -extern void tui_set_current_layout_to (enum tui_layout_type); extern int tui_term_height (void); extern void tui_set_term_height_to (int); extern int tui_term_width (void); extern void tui_set_term_width_to (int); -extern struct tui_gen_win_info *tui_locator_win_info_ptr (void); -extern struct tui_gen_win_info *tui_source_exec_info_win_ptr (void); -extern struct tui_gen_win_info *tui_disassem_exec_info_win_ptr (void); -extern std::vector &tui_source_windows (); -extern void tui_clear_source_windows (void); +extern struct tui_locator_window *tui_locator_win_info_ptr (void); extern void tui_clear_source_windows_detail (void); -extern void tui_clear_win_detail (struct tui_win_info *); -extern void tui_add_to_source_windows (struct tui_win_info *); extern struct tui_win_info *tui_win_with_focus (void); extern void tui_set_win_with_focus (struct tui_win_info *); -extern struct tui_layout_def *tui_layout_def (void); extern int tui_win_resized (void); extern void tui_set_win_resized_to (int); extern struct tui_win_info *tui_next_win (struct tui_win_info *); extern struct tui_win_info *tui_prev_win (struct tui_win_info *); -extern void tui_add_to_source_windows (struct tui_win_info *); +/* Delete all the invisible windows. Note that it is an error to call + this when the command window is invisible -- we don't allow the + command window to be removed from the layout. */ +extern void tui_delete_invisible_windows (); extern unsigned int tui_tab_width;