/* Function to display source in the source window. */
enum tui_status
-tui_set_source_content (tui_source_window_base *win_info,
- struct symtab *s,
- int line_no,
- int noerror)
+tui_source_window::set_contents (struct gdbarch *arch,
+ struct symtab *s,
+ struct tui_line_or_address line_or_addr)
{
+ gdb_assert (line_or_addr.loa == LOA_LINE);
+ int line_no = line_or_addr.u.line_no;
+
enum tui_status ret = TUI_FAILURE;
if (s != NULL)
int line_width, nlines;
ret = TUI_SUCCESS;
- tui_alloc_source_buffer (win_info);
- line_width = win_info->width - 1;
+ line_width = width - TUI_EXECINFO_SIZE - 1;
/* Take hilite (window border) into account, when
calculating the number of lines. */
- nlines = (line_no + (win_info->height - 2)) - line_no;
+ nlines = (line_no + (height - 2)) - line_no;
std::string srclines;
if (!g_source_cache.get_source_lines (s, line_no, line_no + nlines,
&srclines))
- {
- if (!noerror)
- {
- const char *filename = symtab_to_filename_for_display (s);
- char *name = (char *) alloca (strlen (filename) + 100);
-
- sprintf (name, "%s:%d", filename, line_no);
- print_sys_errmsg (name, errno);
- }
- ret = TUI_FAILURE;
- }
+ ret = TUI_FAILURE;
else
{
int cur_line_no, cur_line;
= tui_locator_win_info_ptr ();
const char *s_filename = symtab_to_filename_for_display (s);
- xfree (win_info->title);
- win_info->title = xstrdup (s_filename);
+ title = s_filename;
- xfree (win_info->fullname);
- win_info->fullname = xstrdup (symtab_to_fullname (s));
+ xfree (fullname);
+ fullname = xstrdup (symtab_to_fullname (s));
cur_line = 0;
- win_info->gdbarch = get_objfile_arch (SYMTAB_OBJFILE (s));
- win_info->start_line_or_addr.loa = LOA_LINE;
- cur_line_no = win_info->start_line_or_addr.u.line_no = line_no;
+ gdbarch = get_objfile_arch (SYMTAB_OBJFILE (s));
+ start_line_or_addr.loa = LOA_LINE;
+ cur_line_no = start_line_or_addr.u.line_no = line_no;
const char *iter = srclines.c_str ();
- win_info->content.resize (nlines);
+ content.resize (nlines);
while (cur_line < nlines)
{
struct tui_source_element *element
- = &win_info->content[cur_line];
+ = &content[cur_line];
std::string text;
if (*iter != '\0')
- text = copy_source_line (&iter, cur_line_no,
- win_info->horizontal_offset,
+ text = copy_source_line (&iter, cur_line_no, horizontal_offset,
line_width);
/* Set whether element is the execution point
symtab_to_fullname (s)) == 0
&& cur_line_no == locator->line_no);
- xfree (win_info->content[cur_line].line);
- win_info->content[cur_line].line
+ xfree (content[cur_line].line);
+ content[cur_line].line
= xstrdup (text.c_str ());
cur_line++;
}
-/* elz: This function sets the contents of the source window to empty
- except for a line in the middle with a warning message about the
- source not being available. This function is called by
- tui_erase_source_contents(), which in turn is invoked when the
- source files cannot be accessed. */
-
-void
-tui_set_source_content_nil (struct tui_source_window_base *win_info,
- const char *warning_string)
-{
- int line_width;
- int n_lines;
- int curr_line = 0;
-
- line_width = win_info->width - 1;
- n_lines = win_info->height - 2;
-
- /* Set to empty each line in the window, except for the one which
- contains the message. */
- while (curr_line < win_info->content.size ())
- {
- /* Set the information related to each displayed line to null:
- i.e. the line number is 0, there is no bp, it is not where
- the program is stopped. */
-
- struct tui_source_element *element = &win_info->content[curr_line];
-
- element->line_or_addr.loa = LOA_LINE;
- element->line_or_addr.u.line_no = 0;
- element->is_exec_point = false;
- element->break_mode = 0;
-
- /* Set the contents of the line to blank. */
- element->line[0] = (char) 0;
-
- /* If the current line is in the middle of the screen, then we
- want to display the 'no source available' message in it.
- Note: the 'weird' arithmetic with the line width and height
- comes from the function tui_erase_source_content(). We need
- to keep the screen and the window's actual contents in
- synch. */
-
- if (curr_line == (n_lines / 2 + 1))
- {
- int xpos;
- int warning_length = strlen (warning_string);
- char *src_line;
-
- if (warning_length >= ((line_width - 1) / 2))
- xpos = 1;
- else
- xpos = (line_width - 1) / 2 - warning_length;
-
- src_line = xstrprintf ("%s%s", n_spaces (xpos), warning_string);
- xfree (element->line);
- element->line = src_line;
- }
-
- curr_line++;
- }
-}
-
-
/* Function to display source in the source window. This function
initializes the horizontal scroll to 0. */
void
-tui_show_symtab_source (tui_source_window_base *win_info,
- struct gdbarch *gdbarch, struct symtab *s,
- struct tui_line_or_address line,
- int noerror)
+tui_source_window::show_symtab_source (struct gdbarch *gdbarch,
+ struct symtab *s,
+ struct tui_line_or_address line)
{
- win_info->horizontal_offset = 0;
- tui_update_source_window_as_is (win_info, gdbarch, s, line, noerror);
+ horizontal_offset = 0;
+ update_source_window_as_is (gdbarch, s, line);
}
bool
tui_source_window::showing_source_p (const char *fullname) const
{
- return (content_in_use
+ return (!content.empty ()
&& (filename_cmp (tui_locator_win_info_ptr ()->full_name,
fullname) == 0));
}
l.loa = LOA_LINE;
l.u.line_no = content[0].line_or_addr.u.line_no
+ num_to_scroll;
- if (l.u.line_no > s->nlines)
+ const std::vector<off_t> *offsets;
+ if (g_source_cache.get_line_charpos (s, &offsets)
+ && l.u.line_no > offsets->size ())
/* line = s->nlines - win_info->content_size + 1; */
/* elz: fix for dts 23398. */
l.u.line_no = content[0].line_or_addr.u.line_no;
void
tui_source_window::style_changed ()
{
- if (tui_active && is_visible)
+ if (tui_active && is_visible ())
refill ();
}
&& filename_cmp (fullname,
symtab_to_fullname (loc->symtab)) == 0);
}
+
+/* See tui-source.h. */
+
+bool
+tui_source_window::line_is_displayed (int line) const
+{
+ bool is_displayed = false;
+ int threshold = SCROLL_THRESHOLD;
+ int i = 0;
+ while (i < content.size () - threshold && !is_displayed)
+ {
+ is_displayed
+ = (content[i].line_or_addr.loa == LOA_LINE
+ && content[i].line_or_addr.u.line_no == line);
+ i++;
+ }
+
+ return is_displayed;
+}
+
+void
+tui_source_window::maybe_update (struct frame_info *fi, symtab_and_line sal,
+ int line_no, CORE_ADDR addr)
+{
+ int start_line = (line_no - (viewport_height / 2)) + 1;
+ if (start_line <= 0)
+ start_line = 1;
+
+ bool source_already_displayed = (sal.symtab != 0
+ && showing_source_p (fullname));
+
+ struct tui_line_or_address l;
+
+ l.loa = LOA_LINE;
+ l.u.line_no = start_line;
+ if (!(source_already_displayed
+ && line_is_displayed (line_no)))
+ update_source_window (get_frame_arch (fi), sal.symtab, l);
+ else
+ {
+ l.u.line_no = line_no;
+ set_is_exec_point_at (l);
+ }
+}