From 21e1c91ef99c3785d1c31314dff574747b4b6e68 Mon Sep 17 00:00:00 2001 From: Tom Tromey Date: Sat, 22 Jun 2019 12:49:06 -0600 Subject: [PATCH] Separate out data window This removes "data_window" from union tui_which_element and updates the uses. It also changes how tui_data_window refers to the register data, and changes it not to need the "content" field at all (though as this is in a base class, it can't yet be removed). gdb/ChangeLog 2019-06-25 Tom Tromey * tui/tui-wingeneral.c (tui_data_window::refresh_window): Update. * tui/tui-windata.c (tui_data_window::first_data_item_displayed) (tui_delete_data_content_windows, tui_display_all_data) (tui_data_window::do_scroll_vertical, tui_display_data_from): Update. * tui/tui-win.c (tui_data_window::set_new_height): Simplify. * tui/tui-regs.c (tui_last_regs_line_no) (tui_line_from_reg_element_no, tui_first_reg_element_no_inline) (tui_show_registers): Update. (tui_show_register_group): Return void. Update. (tui_display_registers_from, tui_display_reg_element_at_line) (tui_display_registers_from_line, tui_check_register_values): Update. * tui/tui-data.h (union tui_which_element) : Remove member. (struct tui_data_window) : Now a std::vector. : Remove. (tui_add_content_elements, tui_free_data_content): Don't declare. * tui/tui-data.c (tui_data_window::clear_detail): Update. (init_content_element): Remove DATA_WIN case. Add assert. (tui_add_content_elements): Remove. (tui_data_window): Update. (tui_free_data_content): Remove. (free_content_elements): Remove DATA_WIN case. --- gdb/ChangeLog | 27 ++++++++ gdb/tui/tui-data.c | 74 +-------------------- gdb/tui/tui-data.h | 9 +-- gdb/tui/tui-regs.c | 166 ++++++++++++++++++----------------------------- gdb/tui/tui-win.c | 8 +-- gdb/tui/tui-windata.c | 25 +++---- gdb/tui/tui-wingeneral.c | 12 ++-- 7 files changed, 110 insertions(+), 211 deletions(-) diff --git a/gdb/ChangeLog b/gdb/ChangeLog index 47972a6..d6848f0 100644 --- a/gdb/ChangeLog +++ b/gdb/ChangeLog @@ -1,5 +1,32 @@ 2019-06-25 Tom Tromey + * tui/tui-wingeneral.c (tui_data_window::refresh_window): Update. + * tui/tui-windata.c (tui_data_window::first_data_item_displayed) + (tui_delete_data_content_windows, tui_display_all_data) + (tui_data_window::do_scroll_vertical, tui_display_data_from): + Update. + * tui/tui-win.c (tui_data_window::set_new_height): Simplify. + * tui/tui-regs.c (tui_last_regs_line_no) + (tui_line_from_reg_element_no, tui_first_reg_element_no_inline) + (tui_show_registers): Update. + (tui_show_register_group): Return void. Update. + (tui_display_registers_from, tui_display_reg_element_at_line) + (tui_display_registers_from_line, tui_check_register_values): + Update. + * tui/tui-data.h (union tui_which_element) : Remove + member. + (struct tui_data_window) : Now a std::vector. + : Remove. + (tui_add_content_elements, tui_free_data_content): Don't declare. + * tui/tui-data.c (tui_data_window::clear_detail): Update. + (init_content_element): Remove DATA_WIN case. Add assert. + (tui_add_content_elements): Remove. + (tui_data_window): Update. + (tui_free_data_content): Remove. + (free_content_elements): Remove DATA_WIN case. + +2019-06-25 Tom Tromey + * tui/tui-data.c (tui_data_item_window): Update. * tui/tui-windata.h (tui_check_data_values): Don't declare. * tui/tui-windata.c (tui_display_all_data) diff --git a/gdb/tui/tui-data.c b/gdb/tui/tui-data.c index 5cf5433..7cf7d7f 100644 --- a/gdb/tui/tui-data.c +++ b/gdb/tui/tui-data.c @@ -175,8 +175,7 @@ tui_cmd_window::clear_detail () void tui_data_window::clear_detail () { - regs_content = NULL; - regs_content_count = 0; + regs_content.clear (); regs_column_count = 1; display_regs = false; } @@ -360,6 +359,7 @@ init_content_element (struct tui_win_element *element, gdb_assert (type != LOCATOR_WIN); gdb_assert (type != CMD_WIN); gdb_assert (type != DATA_ITEM_WIN); + gdb_assert (type != DATA_WIN); switch (type) { @@ -371,9 +371,6 @@ init_content_element (struct tui_win_element *element, element->which_element.source.is_exec_point = FALSE; element->which_element.source.has_break = FALSE; break; - case DATA_WIN: - element->which_element.data_window = new tui_data_item_window (); - break; default: break; } @@ -426,39 +423,6 @@ tui_alloc_content (int num_elements, enum tui_win_type type) } -/* Adds the input number of elements to the windows's content. If no - content has been allocated yet, alloc_content() is called to do - this. The index of the first element added is returned, unless - there is a memory allocation error, in which case, (-1) is - returned. */ -int -tui_add_content_elements (struct tui_gen_win_info *win_info, - int num_elements) -{ - struct tui_win_element *element_ptr; - int i, index_start; - - if (win_info->content == NULL) - { - win_info->content = tui_alloc_content (num_elements, win_info->type); - index_start = 0; - } - else - index_start = win_info->content_size; - if (win_info->content != NULL) - { - for (i = index_start; (i < num_elements + index_start); i++) - { - element_ptr = XNEW (struct tui_win_element); - win_info->content[i] = element_ptr; - init_content_element (element_ptr, win_info->type); - win_info->content_size++; - } - } - - return index_start; -} - tui_gen_win_info::~tui_gen_win_info () { if (handle != NULL) @@ -480,9 +444,6 @@ tui_data_window::~tui_data_window () { if (content != NULL) { - tui_free_data_content (regs_content, regs_content_count); - regs_content = NULL; - regs_content_count = 0; regs_column_count = 1; display_regs = false; content = NULL; @@ -515,33 +476,6 @@ tui_free_win_content (struct tui_gen_win_info *win_info) } -void -tui_free_data_content (tui_win_content content, - int content_size) -{ - int i; - - /* Remember that data window content elements are of type struct - tui_gen_win_info *, each of which whose single element is a data - element. */ - for (i = 0; i < content_size; i++) - { - struct tui_gen_win_info *generic_win - = content[i]->which_element.data_window; - - if (generic_win != NULL) - { - tui_delete_win (generic_win->handle); - generic_win->handle = NULL; - tui_free_win_content (generic_win); - } - } - free_content (content, - content_size, - DATA_WIN); -} - - /********************************** ** LOCAL STATIC FUNCTIONS ** **********************************/ @@ -596,10 +530,6 @@ free_content_elements (tui_win_content content, case SRC_WIN: xfree (element->which_element.source.line); break; - case DATA_WIN: - delete element->which_element.data_window; - xfree (element); - break; default: break; } diff --git a/gdb/tui/tui-data.h b/gdb/tui/tui-data.h index 7cbe376..2e13f30 100644 --- a/gdb/tui/tui-data.h +++ b/gdb/tui/tui-data.h @@ -204,7 +204,6 @@ typedef char tui_exec_info_content[TUI_EXECINFO_SIZE]; union tui_which_element { struct tui_source_element source; /* The source elements. */ - struct tui_data_item_window *data_window; /* Data display elements. */ }; struct tui_win_element @@ -477,9 +476,8 @@ struct tui_data_window : public tui_win_info return DATA_NAME; } - /* Start of regs display content. */ - tui_win_content regs_content = NULL; - int regs_content_count = 0; + /* Windows that are used to display registers. */ + std::vector> regs_content; int regs_column_count = 0; /* Should regs be displayed at all? */ bool display_regs = false; @@ -554,10 +552,7 @@ extern struct tui_win_info *tui_win_list[MAX_MAJOR_WINDOWS]; /* Data Manipulation Functions. */ extern void tui_initialize_static_data (void); 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 enum tui_layout_type tui_current_layout (void); diff --git a/gdb/tui/tui-regs.c b/gdb/tui/tui-regs.c index c3970ca..32e82b2 100644 --- a/gdb/tui/tui-regs.c +++ b/gdb/tui/tui-regs.c @@ -49,9 +49,9 @@ ******************************************/ static void tui_display_register (struct tui_data_item_window *data); -static enum tui_status tui_show_register_group (struct reggroup *group, - struct frame_info *frame, - int refresh_values_only); +static void tui_show_register_group (struct reggroup *group, + struct frame_info *frame, + int refresh_values_only); static enum tui_status tui_get_register (struct frame_info *frame, struct tui_data_item_window *data, @@ -70,11 +70,11 @@ tui_last_regs_line_no (void) { int num_lines = (-1); - if (TUI_DATA_WIN->regs_content_count > 0) + if (!TUI_DATA_WIN->regs_content.empty ()) { - num_lines = (TUI_DATA_WIN->regs_content_count + num_lines = (TUI_DATA_WIN->regs_content.size () / TUI_DATA_WIN->regs_column_count); - if (TUI_DATA_WIN->regs_content_count % TUI_DATA_WIN->regs_column_count) + if (TUI_DATA_WIN->regs_content.size () % TUI_DATA_WIN->regs_column_count) num_lines++; } return num_lines; @@ -87,7 +87,7 @@ tui_last_regs_line_no (void) int tui_line_from_reg_element_no (int element_no) { - if (element_no < TUI_DATA_WIN->regs_content_count) + if (element_no < TUI_DATA_WIN->regs_content.size ()) { int i, line = (-1); @@ -113,7 +113,7 @@ int tui_first_reg_element_no_inline (int line_no) { if ((line_no * TUI_DATA_WIN->regs_column_count) - <= TUI_DATA_WIN->regs_content_count) + <= TUI_DATA_WIN->regs_content.size ()) return (((line_no + 1) * TUI_DATA_WIN->regs_column_count) - TUI_DATA_WIN->regs_column_count); else @@ -145,8 +145,9 @@ tui_show_registers (struct reggroup *group) if (target_has_registers && target_has_stack && target_has_memory) { - ret = tui_show_register_group (group, get_selected_frame (NULL), - group == TUI_DATA_WIN->current_group); + tui_show_register_group (group, get_selected_frame (NULL), + group == TUI_DATA_WIN->current_group); + ret = TUI_SUCCESS; } if (ret == TUI_FAILURE) { @@ -155,16 +156,11 @@ tui_show_registers (struct reggroup *group) } else { - int i; - /* Clear all notation of changed values. */ - for (i = 0; i < TUI_DATA_WIN->regs_content_count; i++) + for (auto &&data_item_win : TUI_DATA_WIN->regs_content) { - struct tui_data_item_window *data_item_win; - - data_item_win = TUI_DATA_WIN->regs_content[i] - ->which_element.data_window; - data_item_win->highlight = false; + if (data_item_win != nullptr) + data_item_win->highlight = false; } TUI_DATA_WIN->current_group = group; tui_display_all_data (); @@ -176,15 +172,13 @@ tui_show_registers (struct reggroup *group) using the given frame. Values are refreshed only when refresh_values_only is TRUE. */ -static enum tui_status +static void tui_show_register_group (struct reggroup *group, struct frame_info *frame, int refresh_values_only) { struct gdbarch *gdbarch = get_frame_arch (frame); - enum tui_status ret = TUI_FAILURE; int nr_regs; - int allocated_here = FALSE; int regnum, pos; char title[80]; @@ -213,68 +207,47 @@ tui_show_register_group (struct reggroup *group, nr_regs++; } - if (TUI_DATA_WIN->regs_content_count > 0 && !refresh_values_only) - { - tui_free_data_content (TUI_DATA_WIN->regs_content, - TUI_DATA_WIN->regs_content_count); - TUI_DATA_WIN->regs_content_count = 0; - } + if (!refresh_values_only) + TUI_DATA_WIN->regs_content.clear (); - if (TUI_DATA_WIN->regs_content_count <= 0) + if (nr_regs < TUI_DATA_WIN->regs_content.size ()) + TUI_DATA_WIN->regs_content.resize (nr_regs); + else { - TUI_DATA_WIN->regs_content = tui_alloc_content (nr_regs, DATA_WIN); - allocated_here = TRUE; - refresh_values_only = FALSE; + for (int i = TUI_DATA_WIN->regs_content.size (); i < nr_regs; ++i) + TUI_DATA_WIN->regs_content.emplace_back (new tui_data_item_window ()); } - if (TUI_DATA_WIN->regs_content != NULL) + /* Now set the register names and values. */ + pos = 0; + for (regnum = 0; regnum < gdbarch_num_cooked_regs (gdbarch); regnum++) { - if (!refresh_values_only || allocated_here) - { - TUI_DATA_WIN->content = NULL; - TUI_DATA_WIN->content_size = 0; - tui_add_content_elements (TUI_DATA_WIN, nr_regs); - TUI_DATA_WIN->regs_content = TUI_DATA_WIN->content; - TUI_DATA_WIN->regs_content_count = nr_regs; - } + struct tui_data_item_window *data_item_win; + const char *name; - /* Now set the register names and values. */ - pos = 0; - for (regnum = 0; regnum < gdbarch_num_cooked_regs (gdbarch); regnum++) - { - struct tui_data_item_window *data_item_win; - const char *name; - - /* Must be in the group. */ - if (!gdbarch_register_reggroup_p (gdbarch, regnum, group)) - continue; - - /* If the register name is empty, it is undefined for this - processor, so don't display anything. */ - name = gdbarch_register_name (gdbarch, regnum); - if (name == 0 || *name == '\0') - continue; - - data_item_win = - TUI_DATA_WIN->regs_content[pos]->which_element.data_window; - if (data_item_win) - { - if (!refresh_values_only) - { - data_item_win->item_no = regnum; - data_item_win->name = name; - data_item_win->highlight = false; - } - tui_get_register (frame, data_item_win, regnum, 0); - } - pos++; - } + /* Must be in the group. */ + if (!gdbarch_register_reggroup_p (gdbarch, regnum, group)) + continue; - TUI_DATA_WIN->content_size = TUI_DATA_WIN->regs_content_count; - ret = TUI_SUCCESS; - } + /* If the register name is empty, it is undefined for this + processor, so don't display anything. */ + name = gdbarch_register_name (gdbarch, regnum); + if (name == 0 || *name == '\0') + continue; - return ret; + data_item_win = TUI_DATA_WIN->regs_content[pos].get (); + if (data_item_win) + { + if (!refresh_values_only) + { + data_item_win->item_no = regnum; + data_item_win->name = name; + data_item_win->highlight = false; + } + tui_get_register (frame, data_item_win, regnum, 0); + } + pos++; + } } /* Function to display the registers in the content from @@ -284,21 +257,16 @@ tui_show_register_group (struct reggroup *group, void tui_display_registers_from (int start_element_no) { - if (TUI_DATA_WIN->regs_content != NULL - && TUI_DATA_WIN->regs_content_count > 0) + if (!TUI_DATA_WIN->regs_content.empty ()) { - int i = start_element_no; int j, item_win_width, cur_y; int max_len = 0; - for (i = 0; i < TUI_DATA_WIN->regs_content_count; i++) + for (auto &&data_item_win : TUI_DATA_WIN->regs_content) { - struct tui_data_item_window *data_item_win; char *p; int len; - data_item_win - = TUI_DATA_WIN->regs_content[i]->which_element.data_window; len = 0; p = data_item_win->content; if (p != 0) @@ -314,7 +282,7 @@ tui_display_registers_from (int start_element_no) max_len = len; } item_win_width = max_len + 1; - i = start_element_no; + int i = start_element_no; TUI_DATA_WIN->regs_column_count = (TUI_DATA_WIN->width - 2) / item_win_width; @@ -326,19 +294,18 @@ tui_display_registers_from (int start_element_no) /* Now create each data "sub" window, and write the display into it. */ cur_y = 1; - while (i < TUI_DATA_WIN->regs_content_count + while (i < TUI_DATA_WIN->regs_content.size () && cur_y <= TUI_DATA_WIN->viewport_height) { for (j = 0; j < TUI_DATA_WIN->regs_column_count - && i < TUI_DATA_WIN->regs_content_count; + && i < TUI_DATA_WIN->regs_content.size (); j++) { struct tui_data_item_window *data_item_win; /* Create the window if necessary. */ - data_item_win = TUI_DATA_WIN->regs_content[i] - ->which_element.data_window; + data_item_win = TUI_DATA_WIN->regs_content[i].get (); if (data_item_win->handle != NULL && (data_item_win->height != 1 || data_item_win->width != item_win_width @@ -379,8 +346,7 @@ static void tui_display_reg_element_at_line (int start_element_no, int start_line_no) { - if (TUI_DATA_WIN->regs_content != NULL - && TUI_DATA_WIN->regs_content_count > 0) + if (!TUI_DATA_WIN->regs_content.empty ()) { int element_no = start_element_no; @@ -414,7 +380,7 @@ int tui_display_registers_from_line (int line_no, int force_display) { - if (TUI_DATA_WIN->regs_content_count > 0) + if (!TUI_DATA_WIN->regs_content.empty ()) { int line, element_no; @@ -427,7 +393,7 @@ tui_display_registers_from_line (int line_no, if (line_no >= tui_last_regs_line_no ()) { if ((line = tui_line_from_reg_element_no ( - TUI_DATA_WIN->regs_content_count - 1)) < 0) + TUI_DATA_WIN->regs_content.size () - 1)) < 0) line = 0; } else @@ -437,8 +403,7 @@ tui_display_registers_from_line (int line_no, line = line_no; element_no = tui_first_reg_element_no_inline (line); - if (element_no - < TUI_DATA_WIN->regs_content_count) + if (element_no < TUI_DATA_WIN->regs_content.size ()) tui_display_reg_element_at_line (element_no, line); else line = (-1); @@ -459,30 +424,23 @@ tui_check_register_values (struct frame_info *frame) if (TUI_DATA_WIN != NULL && TUI_DATA_WIN->is_visible) { - if (TUI_DATA_WIN->regs_content_count <= 0 + if (TUI_DATA_WIN->regs_content.empty () && TUI_DATA_WIN->display_regs) tui_show_registers (TUI_DATA_WIN->current_group); else { - int i; - - for (i = 0; (i < TUI_DATA_WIN->regs_content_count); i++) + for (auto &&data_item_win_ptr : TUI_DATA_WIN->regs_content) { - struct tui_data_item_window *data_item_win_ptr; int was_hilighted; - data_item_win_ptr = TUI_DATA_WIN->regs_content[i]-> - which_element.data_window; was_hilighted = data_item_win_ptr->highlight; - tui_get_register (frame, data_item_win_ptr, + tui_get_register (frame, data_item_win_ptr.get (), data_item_win_ptr->item_no, &data_item_win_ptr->highlight); if (data_item_win_ptr->highlight || was_hilighted) - { - tui_display_register (data_item_win_ptr); - } + tui_display_register (data_item_win_ptr.get ()); } } } diff --git a/gdb/tui/tui-win.c b/gdb/tui/tui-win.c index f43e11a..40b9627 100644 --- a/gdb/tui/tui-win.c +++ b/gdb/tui/tui-win.c @@ -1267,12 +1267,10 @@ void tui_data_window::set_new_height (int height) { /* Delete all data item windows. */ - for (int i = 0; i < content_size; i++) + for (auto &&win : regs_content) { - struct tui_gen_win_info *gen_win_info - = content[i]->which_element.data_window; - tui_delete_win (gen_win_info->handle); - gen_win_info->handle = NULL; + tui_delete_win (win->handle); + win->handle = NULL; } } diff --git a/gdb/tui/tui-windata.c b/gdb/tui/tui-windata.c index 23510f6..7ff50a0 100644 --- a/gdb/tui/tui-windata.c +++ b/gdb/tui/tui-windata.c @@ -44,11 +44,11 @@ int tui_data_window::first_data_item_displayed () { - for (int i = 0; i < content_size; i++) + for (int i = 0; i < regs_content.size (); i++) { struct tui_gen_win_info *data_item_win; - data_item_win = content[i]->which_element.data_window; + data_item_win = regs_content[i].get (); if (data_item_win->handle != NULL && data_item_win->is_visible) return i; } @@ -62,16 +62,11 @@ tui_data_window::first_data_item_displayed () void tui_delete_data_content_windows (void) { - int i; - struct tui_gen_win_info *data_item_win_ptr; - - for (i = 0; (i < TUI_DATA_WIN->content_size); i++) + for (auto &&win : TUI_DATA_WIN->regs_content) { - data_item_win_ptr - = TUI_DATA_WIN->content[i]->which_element.data_window; - tui_delete_win (data_item_win_ptr->handle); - data_item_win_ptr->handle = NULL; - data_item_win_ptr->is_visible = false; + tui_delete_win (win->handle); + win->handle = NULL; + win->is_visible = false; } } @@ -104,7 +99,7 @@ tui_erase_data_content (const char *prompt) void tui_display_all_data (void) { - if (TUI_DATA_WIN->content_size <= 0) + if (TUI_DATA_WIN->regs_content.empty ()) tui_erase_data_content (NO_DATA_STRING); else { @@ -138,7 +133,7 @@ tui_display_data_from (int element_no, int reuse_windows) { int first_line = (-1); - if (element_no < TUI_DATA_WIN->regs_content_count) + if (element_no < TUI_DATA_WIN->regs_content.size ()) first_line = tui_line_from_reg_element_no (element_no); else { /* Calculate the first_line from the element number. */ @@ -159,7 +154,7 @@ void tui_data_window::refresh_all () { tui_erase_data_content (NULL); - if (content_size > 0) + if (!regs_content.empty ()) { int first_element = first_data_item_displayed (); @@ -177,7 +172,7 @@ tui_data_window::do_scroll_vertical (int num_to_scroll) int first_line = (-1); first_element_no = first_data_item_displayed (); - if (first_element_no < regs_content_count) + if (first_element_no < regs_content.size ()) first_line = tui_line_from_reg_element_no (first_element_no); else { /* Calculate the first line from the element number which is in diff --git a/gdb/tui/tui-wingeneral.c b/gdb/tui/tui-wingeneral.c index 9bc4e2b..8f64e73 100644 --- a/gdb/tui/tui-wingeneral.c +++ b/gdb/tui/tui-wingeneral.c @@ -45,16 +45,12 @@ tui_gen_win_info::refresh_window () void tui_data_window::refresh_window () { - if (content_size > 0) + if (!regs_content.empty ()) { - for (int i = 0; i < content_size; i++) + for (auto &&win : regs_content) { - struct tui_gen_win_info *data_item_win_ptr; - - data_item_win_ptr = content[i]->which_element.data_window; - if (data_item_win_ptr != NULL - && data_item_win_ptr->handle != NULL) - wrefresh (data_item_win_ptr->handle); + if (win != NULL && win->handle != NULL) + wrefresh (win->handle); } } else -- 2.7.4