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Move content_in_use to tui_source_window class

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From scanning the source now, it's clear that the content_in_use field
is only used for the source window.  This patch moves the field there,
and changes it to be a bool at the same time.  (A future patch will
clean this up further, removing the field entirely.)

gdb/ChangeLog
2019-07-17  Tom Tromey  <tom@tromey.com>

	* tui/tui-winsource.c (tui_clear_source_content)
	(tui_show_source_content, tui_show_exec_info_content)
	(tui_clear_exec_info_content): Update.
	* tui/tui-stack.c (tui_show_locator_content): Update.
	(tui_show_frame_info): Update.
	* tui/tui-source.h (tui_source_window): Don't declare.
	* tui/tui-source.c (tui_source_window::showing_source_p): Rename
	from tui_source_is_displayed.
	* tui/tui-data.h (struct tui_gen_win_info) <content_in_use>:
	Remove field.
	(struct tui_source_window_base) <content_in_use>: New field.  Now
	bool.
	(struct tui_source_window) <showing_source_p>: New method.
	(TUI_SRC_WIN): Change cast.
	* tui/tui-data.c (tui_initialize_static_data): Update.
This commit is contained in:
Tom Tromey
2019-06-28 16:44:23 -06:00
parent c2cd899466
commit a38da35d7b
7 changed files with 36 additions and 17 deletions
Download Patch File Download Diff File Expand all files Collapse all files

18
gdb/ChangeLog
View File

@ -1,3 +1,21 @@
2019-07-17 Tom Tromey <tom@tromey.com>
* tui/tui-winsource.c (tui_clear_source_content)
(tui_show_source_content, tui_show_exec_info_content)
(tui_clear_exec_info_content): Update.
* tui/tui-stack.c (tui_show_locator_content): Update.
(tui_show_frame_info): Update.
* tui/tui-source.h (tui_source_window): Don't declare.
* tui/tui-source.c (tui_source_window::showing_source_p): Rename
from tui_source_is_displayed.
* tui/tui-data.h (struct tui_gen_win_info) <content_in_use>:
Remove field.
(struct tui_source_window_base) <content_in_use>: New field. Now
bool.
(struct tui_source_window) <showing_source_p>: New method.
(TUI_SRC_WIN): Change cast.
* tui/tui-data.c (tui_initialize_static_data): Update.
2019-07-17 Tom Tromey <tom@tromey.com>
* tui/tui-winsource.c (tui_update_breakpoint_info): Use

1
gdb/tui/tui-data.c
View File

@ -321,7 +321,6 @@ tui_initialize_static_data ()
win->viewport_height =
win->last_visible_line = 0;
win->handle = NULL;
win->content_in_use = FALSE;
win->is_visible = false;
win->title = 0;
}

8
gdb/tui/tui-data.h
View File

@ -75,8 +75,6 @@ public:
int height = 0;
/* Origin of window. */
struct tui_point origin = {0, 0};
/* Can it be used, or is it already used? */
int content_in_use = FALSE;
/* Viewport height. */
int viewport_height = 0;
/* Index of last visible line. */
@ -408,6 +406,8 @@ public:
LINE_NO in this source window; false otherwise. */
virtual bool location_matches_p (struct bp_location *loc, int line_no) = 0;
/* Can it be used, or is it already used? */
bool content_in_use = false;
/* Does the locator belong to this window? */
bool m_has_locator = false;
/* Execution information window. */
@ -441,6 +441,8 @@ struct tui_source_window : public tui_source_window_base
bool location_matches_p (struct bp_location *loc, int line_no) override;
bool showing_source_p (const char *filename) const;
protected:
void do_scroll_vertical (int num_to_scroll) override;
@ -610,7 +612,7 @@ extern int tui_win_is_auxiliary (enum tui_win_type win_type);
/* Global Data. */
extern struct tui_win_info *tui_win_list[MAX_MAJOR_WINDOWS];
#define TUI_SRC_WIN ((tui_source_window_base *) tui_win_list[SRC_WIN])
#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])

7
gdb/tui/tui-source.c
View File

@ -287,11 +287,10 @@ tui_show_symtab_source (tui_source_window_base *win_info,
/* Answer whether the source is currently displayed in the source
window. */
int
tui_source_is_displayed (const char *fullname)
bool
tui_source_window::showing_source_p (const char *fullname) const
{
return (TUI_SRC_WIN != NULL
&& TUI_SRC_WIN->content_in_use
return (content_in_use
&& (filename_cmp (tui_locator_win_info_ptr ()->full_name,
fullname) == 0));
}

1
gdb/tui/tui-source.h
View File

@ -37,6 +37,5 @@ extern void tui_show_symtab_source (tui_source_window_base *,
struct gdbarch *, struct symtab *,
struct tui_line_or_address,
int);
extern int tui_source_is_displayed (const char *);
#endif /* TUI_TUI_SOURCE_H */

12
gdb/tui/tui-stack.c
View File

@ -266,7 +266,6 @@ tui_show_locator_content (void)
locator->refresh_window ();
wmove (locator->handle, 0, 0);
xfree (string);
locator->content_in_use = TRUE;
}
}
@ -347,14 +346,19 @@ tui_show_frame_info (struct frame_info *fi)
symtab_and_line sal = find_frame_sal (fi);
source_already_displayed = sal.symtab != 0
&& tui_source_is_displayed (symtab_to_fullname (sal.symtab));
const char *fullname = nullptr;
if (sal.symtab != nullptr)
fullname = symtab_to_fullname (sal.symtab);
source_already_displayed = (sal.symtab != 0
&& TUI_SRC_WIN != nullptr
&& TUI_SRC_WIN->showing_source_p (fullname));
if (get_frame_pc_if_available (fi, &pc))
locator_changed_p
= tui_set_locator_info (get_frame_arch (fi),
(sal.symtab == 0
? "??" : symtab_to_fullname (sal.symtab)),
? "??" : fullname),
tui_get_function_from_frame (fi),
sal.line,
pc);

6
gdb/tui/tui-winsource.c
View File

@ -212,7 +212,7 @@ tui_clear_source_content (struct tui_source_window_base *win_info,
{
int i;
win_info->content_in_use = FALSE;
win_info->content_in_use = false;
tui_erase_source_content (win_info, display_prompt);
for (i = 0; i < win_info->content.size (); i++)
{
@ -306,7 +306,7 @@ tui_show_source_content (struct tui_source_window_base *win_info)
tui_check_and_display_highlight_if_needed (win_info);
win_info->refresh_window ();
win_info->content_in_use = TRUE;
win_info->content_in_use = true;
}
/* See tui-data.h. */
@ -531,7 +531,6 @@ tui_show_exec_info_content (struct tui_source_window_base *win_info)
0,
content[cur_line - 1]);
exec_info->refresh_window ();
exec_info->content_in_use = TRUE;
}
@ -547,7 +546,6 @@ tui_erase_exec_info_content (struct tui_source_window_base *win_info)
void
tui_clear_exec_info_content (struct tui_source_window_base *win_info)
{
win_info->execution_info->content_in_use = FALSE;
tui_erase_exec_info_content (win_info);
}