X-Git-Url: http://drtracing.org/?a=blobdiff_plain;f=gdb%2Ftui%2Ftui-data.h;h=264652361ef5ca536406f59f87168e505954fc68;hb=7226433c44e3792aeea6ad19c54cd3056ea4308e;hp=9b7364b1e85c4319e9334004bb6eb71cf67efc74;hpb=44f0e208eb32a7ac469cef2b6760f72534abac09;p=deliverable%2Fbinutils-gdb.git diff --git a/gdb/tui/tui-data.h b/gdb/tui/tui-data.h index 9b7364b1e8..264652361e 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, @@ -139,130 +136,8 @@ struct tui_line_or_address } u; }; -/* Current Layout definition. */ -struct tui_layout_def -{ - enum tui_win_type display_mode; - int split; -}; - -/* 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; -}; - - -/* 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; -}; - - -/* Elements in the command window content. */ -struct tui_command_element -{ - char *line; -}; - -#ifdef PATH_MAX -# define MAX_LOCATOR_ELEMENT_LEN PATH_MAX -#else -# define MAX_LOCATOR_ELEMENT_LEN 1024 -#endif - -/* 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; -}; - -/* 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 - -/* 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 - -typedef char tui_exec_info_content[TUI_EXECINFO_SIZE]; - -/* 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. */ -}; - -struct tui_win_element -{ - union tui_which_element which_element; -}; - -/* 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; -}; - - -struct tui_source_info -{ - /* Does the locator belong to this window? */ - bool has_locator; - /* 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; - - /* It is the resolved form as returned by symtab_to_fullname. */ - char *fullname; - - /* Architecture associated with code at this location. */ - struct gdbarch *gdbarch; -}; - - -struct tui_command_info -{ - int start_line; -}; - - /* This defines information about each logical window. */ -struct tui_win_info +struct tui_win_info : public tui_gen_win_info { protected: @@ -271,25 +146,34 @@ protected: /* Scroll the contents vertically. This is only called via forward_scroll and backward_scroll. */ - virtual void do_scroll_vertical (enum tui_scroll_direction, - int num_to_scroll) = 0; + virtual void do_scroll_vertical (int num_to_scroll) = 0; /* Scroll the contents horizontally. This is only called via left_scroll and right_scroll. */ - virtual void do_scroll_horizontal (enum tui_scroll_direction, - int num_to_scroll) = 0; + virtual void do_scroll_horizontal (int num_to_scroll) = 0; + + void rerender () override; + + void make_window () override; public: - virtual ~tui_win_info (); + ~tui_win_info () override + { + } + + /* Compute the maximum height of this window. */ + virtual int max_height () const; - /* Clear the pertinent detail in the window. */ - virtual void clear_detail () = 0; + /* Called after the tab width has been changed. */ + virtual void update_tab_width () + { + } - /* Return true if this window has the locator. */ - virtual bool has_locator () const + /* Set whether this window is highglighted. */ + void set_highlight (bool highlight) { - return false; + is_highlighted = highlight; } /* Methods to scroll the contents of this window. Note that they @@ -300,165 +184,129 @@ public: void left_scroll (int num_to_scroll); void right_scroll (int num_to_scroll); - struct tui_gen_win_info generic; /* General window information. */ - union + /* Return true if this window can be scrolled, false otherwise. */ + virtual bool can_scroll () const + { + return true; + } + + virtual bool can_box () const { - struct tui_source_info source_info; - struct tui_data_info data_display_info; - struct tui_command_info command_info; + return true; } - detail; + + void check_and_display_highlight_if_needed (); + + /* Window title to display. */ + std::string title; /* Can this window ever be highlighted? */ - int can_highlight = 0; + bool can_highlight = true; /* Is this window highlighted? */ - int is_highlighted = 0; + bool is_highlighted = false; }; -/* The base class for all source-like windows, namely the source and - disassembly windows. */ +extern int tui_win_is_auxiliary (enum tui_win_type win_type); -struct tui_source_window_base : public tui_win_info -{ -protected: - explicit tui_source_window_base (enum tui_win_type type); - ~tui_source_window_base () override; - DISABLE_COPY_AND_ASSIGN (tui_source_window_base); - void do_scroll_horizontal (enum tui_scroll_direction, - int num_to_scroll) override; +/* Global Data. */ +extern struct tui_win_info *tui_win_list[MAX_MAJOR_WINDOWS]; -public: +#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]) - void clear_detail () override; +/* An iterator that iterates over all windows. */ - /* Return true if this window has the locator. */ - bool has_locator () const override; -}; +class tui_window_iterator +{ +public: -/* A TUI source window. */ + 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; -struct tui_source_window : public tui_source_window_base -{ - tui_source_window () - : tui_source_window_base (SRC_WIN) + explicit tui_window_iterator (enum tui_win_type type) + : m_type (type) { + advance (); } - DISABLE_COPY_AND_ASSIGN (tui_source_window); - -protected: - - void do_scroll_vertical (enum tui_scroll_direction, - int num_to_scroll) override; -}; - -/* A TUI disassembly window. */ - -struct tui_disasm_window : public tui_source_window_base -{ - tui_disasm_window () - : tui_source_window_base (DISASSEM_WIN) + tui_window_iterator () + : m_type (MAX_MAJOR_WINDOWS) { } - DISABLE_COPY_AND_ASSIGN (tui_disasm_window); - -protected: - - void do_scroll_vertical (enum tui_scroll_direction, - int num_to_scroll) override; -}; + bool operator!= (const self_type &other) const + { + return m_type != other.m_type; + } -struct tui_data_window : public tui_win_info -{ - tui_data_window (); - ~tui_data_window () override; - DISABLE_COPY_AND_ASSIGN (tui_data_window); + value_type operator* () const + { + gdb_assert (m_type < MAX_MAJOR_WINDOWS); + return tui_win_list[m_type]; + } - void clear_detail () override; + self_type &operator++ () + { + ++m_type; + advance (); + return *this; + } -protected: +private: - void do_scroll_vertical (enum tui_scroll_direction, - int num_to_scroll) override; - void do_scroll_horizontal (enum tui_scroll_direction, - int num_to_scroll) override + void advance () { + while (m_type < MAX_MAJOR_WINDOWS && tui_win_list[m_type] == nullptr) + ++m_type; } -}; -struct tui_cmd_window : public tui_win_info -{ - tui_cmd_window (); - DISABLE_COPY_AND_ASSIGN (tui_cmd_window); + int m_type; +}; - void clear_detail () override; +/* A range adapter for iterating over TUI windows. */ -protected: - - void do_scroll_vertical (enum tui_scroll_direction, - int num_to_scroll) override +struct all_tui_windows +{ + tui_window_iterator begin () const { + return tui_window_iterator (SRC_WIN); } - void do_scroll_horizontal (enum tui_scroll_direction, - int num_to_scroll) 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 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 void tui_clear_source_windows_detail (void); -extern void tui_add_to_source_windows (struct tui_win_info *); +extern struct tui_locator_window *tui_locator_win_info_ptr (void); 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 bool tui_win_resized (); +extern void tui_set_win_resized_to (bool); 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;