/* TUI display source window.
- Copyright (C) 1998, 1999, 2000, 2001, 2002, 2003, 2004 Free Software
- Foundation, Inc.
+ Copyright (C) 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2007
+ Free Software Foundation, Inc.
Contributed by Hewlett-Packard Company.
/* Function to display source in the source window. */
enum tui_status
-tui_set_source_content (struct symtab *s, int line_no, int noerror)
+tui_set_source_content (struct symtab *s,
+ int line_no,
+ int noerror)
{
enum tui_status ret = TUI_FAILURE;
if ((ret = tui_alloc_source_buffer (TUI_SRC_WIN)) == TUI_SUCCESS)
{
line_width = TUI_SRC_WIN->generic.width - 1;
- /* Take hilite (window border) into account, when calculating
- the number of lines */
+ /* Take hilite (window border) into account, when
+ calculating the number of lines. */
nlines = (line_no + (TUI_SRC_WIN->generic.height - 2)) - line_no;
desc = open_source_file (s);
if (desc < 0)
else
{
int offset, cur_line_no, cur_line, cur_len, threshold;
- struct tui_gen_win_info * locator = tui_locator_win_info_ptr ();
- struct tui_source_info * src = &TUI_SRC_WIN->detail.source_info;
+ struct tui_gen_win_info *locator = tui_locator_win_info_ptr ();
+ struct tui_source_info *src = &TUI_SRC_WIN->detail.source_info;
if (TUI_SRC_WIN->generic.title)
xfree (TUI_SRC_WIN->generic.title);
xfree (src->filename);
src->filename = xstrdup (s->filename);
- /* Determine the threshold for the length of the line
- and the offset to start the display. */
+ /* Determine the threshold for the length of the
+ line and the offset to start the display. */
offset = src->horizontal_offset;
threshold = (line_width - 1) + offset;
stream = fdopen (desc, FOPEN_RT);
(threshold + 1) * sizeof (char));
while (cur_line < nlines)
{
- struct tui_win_element * element = (struct tui_win_element *)
+ struct tui_win_element *element = (struct tui_win_element *)
TUI_SRC_WIN->generic.content[cur_line];
- /* get the first character in the line */
+ /* Get the first character in the line. */
c = fgetc (stream);
if (offset == 0)
src_line = ((struct tui_win_element *)
TUI_SRC_WIN->generic.content[
cur_line])->which_element.source.line;
- /* Init the line with the line number */
+ /* Init the line with the line number. */
sprintf (src_line, "%-6d", cur_line_no);
cur_len = strlen (src_line);
i = cur_len -
}
src_line[cur_len] = (char) 0;
- /* Set whether element is the execution point and
- whether there is a break point on it. */
+ /* Set whether element is the execution point
+ and whether there is a break point on it. */
element->which_element.source.line_or_addr.loa =
LOA_LINE;
element->which_element.source.line_or_addr.u.line_no =
cur_line_no;
element->which_element.source.is_exec_point =
(strcmp (((struct tui_win_element *)
- locator->content[0])->which_element.locator.file_name,
+ locator->content[0])->which_element.locator.file_name,
s->filename) == 0
&& cur_line_no == ((struct tui_win_element *)
- locator->content[0])->which_element.locator.line_no);
+ locator->content[0])->which_element.locator.line_no);
if (c != EOF)
{
i = strlen (src_line) - 1;
do
{
- if ((c != '\n') &&
- (c != '\r') && (++i < threshold))
+ if ((c != '\n') && (c != '\r')
+ && (++i < threshold))
{
if (c < 040 && c != '\t')
{
src_line[i] = '?';
}
else
- { /* Store the charcter in the line
- buffer. If it is a tab, then
- translate to the correct number of
- chars so we don't overwrite our
- buffer. */
+ { /* Store the charcter in the
+ line buffer. If it is a tab,
+ then translate to the correct
+ number of chars so we don't
+ overwrite our buffer. */
if (c == '\t')
{
int j, max_tab_len = tui_default_tab_len ();
- for (j = i - (
- (i / max_tab_len) * max_tab_len);
- ((j < max_tab_len) &&
- i < threshold);
+ for (j = i - ((i / max_tab_len) * max_tab_len);
+ j < max_tab_len
+ && i < threshold;
i++, j++)
src_line[i] = ' ';
i--;
src_line[i + 1] = 0;
}
else
- { /* If we have not reached EOL, then eat
- chars until we do */
+ { /* If we have not reached EOL, then
+ eat chars until we do. */
while (c != EOF && c != '\n' && c != '\r')
c = fgetc (stream);
+ /* Handle non-'\n' end-of-line. */
+ if (c == '\r'
+ && (c = fgetc (stream)) != '\n'
+ && c != EOF)
+ {
+ ungetc (c, stream);
+ c = '\r';
+ }
+
}
}
- while (c != EOF && c != '\n' && c != '\r' &&
- i < threshold && (c = fgetc (stream)));
+ while (c != EOF && c != '\n' && c != '\r'
+ && i < threshold
+ && (c = fgetc (stream)));
}
- /* Now copy the line taking the offset into account */
+ /* Now copy the line taking the offset into
+ account. */
if (strlen (src_line) > offset)
strcpy (((struct tui_win_element *) TUI_SRC_WIN->generic.content[
cur_line])->which_element.source.line,
}
-/* elz: this function sets the contents of the source window to empty
+/* 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
+ 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_win_info * win_info, char *warning_string)
+tui_set_source_content_nil (struct tui_win_info *win_info,
+ char *warning_string)
{
int line_width;
int n_lines;
line_width = win_info->generic.width - 1;
n_lines = win_info->generic.height - 2;
- /* set to empty each line in the window, except for the one
- which contains the message */
+ /* Set to empty each line in the window, except for the one which
+ contains the message. */
while (curr_line < win_info->generic.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 */
+ /* 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_win_element * element =
- (struct tui_win_element *) win_info->generic.content[curr_line];
+ struct tui_win_element *element =
+ (struct tui_win_element *) win_info->generic.content[curr_line];
element->which_element.source.line_or_addr.loa = LOA_LINE;
element->which_element.source.line_or_addr.u.line_no = 0;
element->which_element.source.is_exec_point = FALSE;
element->which_element.source.has_break = FALSE;
- /* set the contents of the line to blank */
+ /* Set the contents of the line to blank. */
element->which_element.source.line[0] = (char) 0;
- /* if the current line is in the middle of the screen, then we
+ /* 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. */
+ 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))
{
/* Function to display source in the source window. This function
initializes the horizontal scroll to 0. */
void
-tui_show_symtab_source (struct symtab *s, struct tui_line_or_address line, int noerror)
+tui_show_symtab_source (struct symtab *s,
+ struct tui_line_or_address line,
+ int noerror)
{
TUI_SRC_WIN->detail.source_info.horizontal_offset = 0;
tui_update_source_window_as_is (TUI_SRC_WIN, s, line, noerror);
int
tui_source_is_displayed (char *fname)
{
- return (TUI_SRC_WIN->generic.content_in_use &&
- (strcmp (((struct tui_win_element *) (tui_locator_win_info_ptr ())->
- content[0])->which_element.locator.file_name, fname) == 0));
+ return (TUI_SRC_WIN->generic.content_in_use
+ && (strcmp (((struct tui_win_element *) (tui_locator_win_info_ptr ())->
+ content[0])->which_element.locator.file_name, fname) == 0));
}
struct symtab_and_line cursal = get_current_source_symtab_and_line ();
if (cursal.symtab == (struct symtab *) NULL)
- s = find_pc_symtab (get_frame_pc (deprecated_selected_frame));
+ s = find_pc_symtab (get_frame_pc (get_selected_frame (NULL)));
else
s = cursal.symtab;
l.u.line_no = content[0]->which_element.source.line_or_addr.u.line_no
+ num_to_scroll;
if (l.u.line_no > s->nlines)
- /*line = s->nlines - win_info->generic.content_size + 1; */
- /*elz: fix for dts 23398 */
+ /* line = s->nlines - win_info->generic.content_size + 1; */
+ /* elz: fix for dts 23398. */
l.u.line_no = content[0]->which_element.source.line_or_addr.u.line_no;
}
else
projects / deliverable / binutils-gdb.git / blobdiff