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vim-patch:8.0.1130: the qf_jump() function is still too long
Problem: The qf_jump() function is still too long.
Solution: Split of parts to separate functions. (Yegappan Lakshmanan)
9cb03716c9
This commit is contained in:
Marco Hinz
@@ -1726,8 +1726,7 @@ static bool is_qf_entry_present(qf_info_T *qi, qfline_T *qf_ptr)
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}
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/// Get the next valid entry in the current quickfix/location list. The search
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/// starts from the current entry. If next_file is true, then return the next
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/// valid entry in the next file in the list. Returns NULL on failure.
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/// starts from the current entry. Returns NULL on failure.
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static qfline_T *get_next_valid_entry(qf_info_T *qi, qfline_T *qf_ptr,
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int *qf_index, int dir)
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{
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@@ -1749,9 +1748,7 @@ static qfline_T *get_next_valid_entry(qf_info_T *qi, qfline_T *qf_ptr,
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}
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/// Get the previous valid entry in the current quickfix/location list. The
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/// search starts from the current entry. If prev_file is TRUE, then return the
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/// previous valid entry in the previous file in the list. Returns NULL on
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/// failure.
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/// search starts from the current entry. Returns NULL on failure.
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static qfline_T *get_prev_valid_entry(qf_info_T *qi, qfline_T *qf_ptr,
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int *qf_index, int dir)
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{
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@@ -1809,17 +1806,19 @@ static qfline_T *get_nth_valid_entry(qf_info_T *qi, int errornr,
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return qf_ptr;
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}
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/// Get n'th quickfix entry
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/// Get n'th (errornr) quickfix entry
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static qfline_T *get_nth_entry(qf_info_T *qi, int errornr, qfline_T *qf_ptr,
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int *qf_index)
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int *cur_qfidx)
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{
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int qf_idx = *qf_index;
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int qf_idx = *cur_qfidx;
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// New error number is less than the current error number
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while (errornr < qf_idx && qf_idx > 1 && qf_ptr->qf_prev != NULL) {
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qf_idx--;
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qf_ptr = qf_ptr->qf_prev;
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}
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// New error number is greater than the current error number
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while (errornr > qf_idx
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&& qf_idx < qi->qf_lists[qi->qf_curlist].qf_count
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&& qf_ptr->qf_next != NULL) {
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@@ -1827,7 +1826,7 @@ static qfline_T *get_nth_entry(qf_info_T *qi, int errornr, qfline_T *qf_ptr,
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qf_ptr = qf_ptr->qf_next;
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}
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*qf_index = qf_idx;
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*cur_qfidx = qf_idx;
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return qf_ptr;
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}
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@@ -1887,40 +1886,302 @@ static int jump_to_help_window(qf_info_T *qi, int *opened_window)
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return OK;
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}
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/*
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* jump to a quickfix line
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* if dir == FORWARD go "errornr" valid entries forward
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* if dir == BACKWARD go "errornr" valid entries backward
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* if dir == FORWARD_FILE go "errornr" valid entries files backward
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* if dir == BACKWARD_FILE go "errornr" valid entries files backward
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* else if "errornr" is zero, redisplay the same line
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* else go to entry "errornr"
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*/
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/// Find a suitable window for opening a file (qf_fnum) and jump to it.
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/// If the file is already opened in a window, jump to it.
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static int qf_jump_to_usable_window(int qf_fnum, int *opened_window)
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{
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win_T *usable_win_ptr = NULL;
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int usable_win;
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int flags;
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win_T *win = NULL;
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win_T *altwin;
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usable_win = 0;
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qf_info_T *ll_ref = curwin->w_llist_ref;
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if (ll_ref != NULL) {
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// Find a window using the same location list that is not a
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// quickfix window.
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FOR_ALL_WINDOWS_IN_TAB(usable_win_ptr2, curtab) {
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if (usable_win_ptr2->w_llist == ll_ref
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&& !bt_quickfix(usable_win_ptr2->w_buffer)) {
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usable_win_ptr = usable_win_ptr2;
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usable_win = 1;
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break;
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}
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}
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}
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if (!usable_win) {
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// Locate a window showing a normal buffer
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FOR_ALL_WINDOWS_IN_TAB(win2, curtab) {
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if (win2->w_buffer->b_p_bt[0] == NUL) {
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win = win2;
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usable_win = 1;
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break;
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}
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}
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}
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// If no usable window is found and 'switchbuf' contains "usetab"
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// then search in other tabs.
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if (!usable_win && (swb_flags & SWB_USETAB)) {
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FOR_ALL_TAB_WINDOWS(tp, wp) {
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if (wp->w_buffer->b_fnum == qf_fnum) {
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goto_tabpage_win(tp, wp);
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usable_win = 1;
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goto win_found;
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}
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}
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}
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win_found:
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// If there is only one window and it is the quickfix window, create a
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// new one above the quickfix window.
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if ((ONE_WINDOW && bt_quickfix(curbuf)) || !usable_win) {
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flags = WSP_ABOVE;
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if (ll_ref != NULL) {
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flags |= WSP_NEWLOC;
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}
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if (win_split(0, flags) == FAIL) {
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return FAIL; // not enough room for window
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}
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*opened_window = true; // close it when fail
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p_swb = empty_option; // don't split again
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swb_flags = 0;
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RESET_BINDING(curwin);
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if (ll_ref != NULL) {
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// The new window should use the location list from the
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// location list window
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curwin->w_llist = ll_ref;
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ll_ref->qf_refcount++;
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}
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} else {
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if (curwin->w_llist_ref != NULL) {
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// In a location window
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win = usable_win_ptr;
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if (win == NULL) {
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// Find the window showing the selected file
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FOR_ALL_WINDOWS_IN_TAB(win2, curtab) {
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if (win2->w_buffer->b_fnum == qf_fnum) {
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win = win2;
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break;
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}
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}
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if (win == NULL) {
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// Find a previous usable window
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win = curwin;
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do {
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if (win->w_buffer->b_p_bt[0] == NUL) {
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break;
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}
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if (win->w_prev == NULL) {
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win = lastwin; // wrap around the top
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} else {
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win = win->w_prev; // go to previous window
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}
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} while (win != curwin);
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}
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}
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win_goto(win);
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// If the location list for the window is not set, then set it
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// to the location list from the location window
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if (win->w_llist == NULL) {
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win->w_llist = ll_ref;
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ll_ref->qf_refcount++;
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}
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} else {
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// Try to find a window that shows the right buffer.
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// Default to the window just above the quickfix buffer.
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win = curwin;
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altwin = NULL;
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for (;;) {
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if (win->w_buffer->b_fnum == qf_fnum) {
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break;
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}
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if (win->w_prev == NULL) {
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win = lastwin; // wrap around the top
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} else {
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win = win->w_prev; // go to previous window
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}
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if (IS_QF_WINDOW(win)) {
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// Didn't find it, go to the window before the quickfix window.
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if (altwin != NULL) {
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win = altwin;
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} else if (curwin->w_prev != NULL) {
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win = curwin->w_prev;
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} else {
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win = curwin->w_next;
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}
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break;
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}
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// Remember a usable window.
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if (altwin == NULL && !win->w_p_pvw
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&& win->w_buffer->b_p_bt[0] == NUL) {
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altwin = win;
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}
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}
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win_goto(win);
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}
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}
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return OK;
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}
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/// Edit the selected file or help file.
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static int qf_jump_edit_buffer(qf_info_T *qi, qfline_T *qf_ptr, int forceit,
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win_T *oldwin, int *opened_window, int *abort)
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{
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int retval = OK;
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if (qf_ptr->qf_type == 1) {
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// Open help file (do_ecmd() will set b_help flag, readfile() will
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// set b_p_ro flag).
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if (!can_abandon(curbuf, forceit)) {
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EMSG(_(e_nowrtmsg));
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retval = false;
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} else {
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retval = do_ecmd(qf_ptr->qf_fnum, NULL, NULL, NULL, (linenr_T)1,
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ECMD_HIDE + ECMD_SET_HELP,
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oldwin == curwin ? curwin : NULL);
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}
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} else {
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int old_qf_curlist = qi->qf_curlist;
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retval = buflist_getfile(qf_ptr->qf_fnum, (linenr_T)1,
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GETF_SETMARK | GETF_SWITCH, forceit);
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if (qi != &ql_info && !win_valid_any_tab(oldwin)) {
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EMSG(_("E924: Current window was closed"));
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*abort = true;
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*opened_window = false;
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} else if (old_qf_curlist != qi->qf_curlist
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|| !is_qf_entry_present(qi, qf_ptr)) {
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if (qi == &ql_info) {
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EMSG(_("E925: Current quickfix was changed"));
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} else {
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EMSG(_("E926: Current location list was changed"));
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}
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*abort = true;
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}
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if (*abort) {
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retval = false;
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}
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}
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return retval;
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}
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/// Goto the error line in the current file using either line/column number or a
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/// search pattern.
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static void qf_jump_goto_line(linenr_T qf_lnum, int qf_col, char_u qf_viscol,
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char_u *qf_pattern)
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{
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linenr_T i;
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char_u *line;
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colnr_T screen_col;
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colnr_T char_col;
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if (qf_pattern == NULL) {
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// Go to line with error, unless qf_lnum is 0.
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i = qf_lnum;
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if (i > 0) {
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if (i > curbuf->b_ml.ml_line_count) {
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i = curbuf->b_ml.ml_line_count;
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}
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curwin->w_cursor.lnum = i;
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}
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if (qf_col > 0) {
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curwin->w_cursor.col = qf_col - 1;
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curwin->w_cursor.coladd = 0;
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if (qf_viscol == true) {
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// Check each character from the beginning of the error
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// line up to the error column. For each tab character
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// found, reduce the error column value by the length of
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// a tab character.
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line = get_cursor_line_ptr();
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screen_col = 0;
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for (char_col = 0; char_col < curwin->w_cursor.col; char_col++) {
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if (*line == NUL) {
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break;
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}
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if (*line++ == '\t') {
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curwin->w_cursor.col -= 7 - (screen_col % 8);
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screen_col += 8 - (screen_col % 8);
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} else {
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screen_col++;
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}
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}
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}
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check_cursor();
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} else {
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beginline(BL_WHITE | BL_FIX);
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}
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} else {
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// Move the cursor to the first line in the buffer
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pos_T save_cursor = curwin->w_cursor;
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curwin->w_cursor.lnum = 0;
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if (!do_search(NULL, '/', qf_pattern, (long)1, SEARCH_KEEP, NULL, NULL)) {
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curwin->w_cursor = save_cursor;
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}
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}
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}
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/// Display quickfix list index and size message
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static void qf_jump_print_msg(qf_info_T *qi, int qf_index, qfline_T *qf_ptr,
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buf_T *old_curbuf, linenr_T old_lnum)
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{
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// Update the screen before showing the message, unless the screen
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// scrolled up.
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if (!msg_scrolled) {
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update_topline_redraw();
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}
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snprintf((char *)IObuff, IOSIZE, _("(%d of %d)%s%s: "), qf_index,
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qi->qf_lists[qi->qf_curlist].qf_count,
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qf_ptr->qf_cleared ? _(" (line deleted)") : "",
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(char *)qf_types(qf_ptr->qf_type, qf_ptr->qf_nr));
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// Add the message, skipping leading whitespace and newlines.
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int len = (int)STRLEN(IObuff);
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qf_fmt_text(skipwhite(qf_ptr->qf_text), IObuff + len, IOSIZE - len);
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// Output the message. Overwrite to avoid scrolling when the 'O'
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// flag is present in 'shortmess'; But when not jumping, print the
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// whole message.
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linenr_T i = msg_scroll;
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if (curbuf == old_curbuf && curwin->w_cursor.lnum == old_lnum) {
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msg_scroll = true;
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} else if (!msg_scrolled && shortmess(SHM_OVERALL)) {
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msg_scroll = false;
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}
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msg_attr_keep(IObuff, 0, true, false);
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msg_scroll = (int)i;
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}
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/// jump to a quickfix line
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/// if dir == FORWARD go "errornr" valid entries forward
|
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/// if dir == BACKWARD go "errornr" valid entries backward
|
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/// if dir == FORWARD_FILE go "errornr" valid entries files backward
|
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/// if dir == BACKWARD_FILE go "errornr" valid entries files backward
|
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/// else if "errornr" is zero, redisplay the same line
|
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/// else go to entry "errornr"
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void qf_jump(qf_info_T *qi, int dir, int errornr, int forceit)
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{
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qf_info_T *ll_ref;
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qfline_T *qf_ptr;
|
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qfline_T *old_qf_ptr;
|
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int qf_index;
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int old_qf_index;
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linenr_T i;
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buf_T *old_curbuf;
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linenr_T old_lnum;
|
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colnr_T screen_col;
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colnr_T char_col;
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char_u *line;
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char_u *old_swb = p_swb;
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unsigned old_swb_flags = swb_flags;
|
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int opened_window = FALSE;
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win_T *win;
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win_T *altwin;
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int flags;
|
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int opened_window = false;
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win_T *oldwin = curwin;
|
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int print_message = TRUE;
|
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int len;
|
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int print_message = true;
|
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const bool old_KeyTyped = KeyTyped; // getting file may reset it
|
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int ok = OK;
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bool usable_win;
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int retval = OK;
|
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|
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if (qi == NULL)
|
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qi = &ql_info;
|
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@@ -1960,150 +2221,16 @@ void qf_jump(qf_info_T *qi, int dir, int errornr, int forceit)
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}
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}
|
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|
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/*
|
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* If currently in the quickfix window, find another window to show the
|
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* file in.
|
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*/
|
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// If currently in the quickfix window, find another window to show the
|
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// file in.
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if (bt_quickfix(curbuf) && !opened_window) {
|
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win_T *usable_win_ptr = NULL;
|
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|
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/*
|
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* If there is no file specified, we don't know where to go.
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* But do advance, otherwise ":cn" gets stuck.
|
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*/
|
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if (qf_ptr->qf_fnum == 0)
|
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// If there is no file specified, we don't know where to go.
|
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// But do advance, otherwise ":cn" gets stuck.
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if (qf_ptr->qf_fnum == 0) {
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goto theend;
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usable_win = false;
|
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ll_ref = curwin->w_llist_ref;
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if (ll_ref != NULL) {
|
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/* Find a window using the same location list that is not a
|
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* quickfix window. */
|
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FOR_ALL_WINDOWS_IN_TAB(wp, curtab) {
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if (wp->w_llist == ll_ref
|
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&& wp->w_buffer->b_p_bt[0] != 'q') {
|
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usable_win = true;
|
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usable_win_ptr = wp;
|
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break;
|
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}
|
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}
|
||||
}
|
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|
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if (!usable_win) {
|
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/* Locate a window showing a normal buffer */
|
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FOR_ALL_WINDOWS_IN_TAB(wp, curtab) {
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if (wp->w_buffer->b_p_bt[0] == NUL) {
|
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usable_win = true;
|
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break;
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}
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}
|
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}
|
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|
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/*
|
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* If no usable window is found and 'switchbuf' contains "usetab"
|
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* then search in other tabs.
|
||||
*/
|
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if (!usable_win && (swb_flags & SWB_USETAB)) {
|
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FOR_ALL_TAB_WINDOWS(tp, wp) {
|
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if (wp->w_buffer->b_fnum == qf_ptr->qf_fnum) {
|
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goto_tabpage_win(tp, wp);
|
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usable_win = true;
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goto win_found;
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}
|
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}
|
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}
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win_found:
|
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|
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/*
|
||||
* If there is only one window and it is the quickfix window, create a
|
||||
* new one above the quickfix window.
|
||||
*/
|
||||
if ((ONE_WINDOW && bt_quickfix(curbuf)) || !usable_win) {
|
||||
flags = WSP_ABOVE;
|
||||
if (ll_ref != NULL)
|
||||
flags |= WSP_NEWLOC;
|
||||
if (win_split(0, flags) == FAIL)
|
||||
goto failed; /* not enough room for window */
|
||||
opened_window = TRUE; /* close it when fail */
|
||||
p_swb = empty_option; /* don't split again */
|
||||
swb_flags = 0;
|
||||
RESET_BINDING(curwin);
|
||||
if (ll_ref != NULL) {
|
||||
/* The new window should use the location list from the
|
||||
* location list window */
|
||||
curwin->w_llist = ll_ref;
|
||||
ll_ref->qf_refcount++;
|
||||
}
|
||||
} else {
|
||||
if (curwin->w_llist_ref != NULL) {
|
||||
/* In a location window */
|
||||
win = usable_win_ptr;
|
||||
if (win == NULL) {
|
||||
/* Find the window showing the selected file */
|
||||
FOR_ALL_WINDOWS_IN_TAB(wp, curtab) {
|
||||
if (wp->w_buffer->b_fnum == qf_ptr->qf_fnum) {
|
||||
win = wp;
|
||||
break;
|
||||
}
|
||||
}
|
||||
if (win == NULL) {
|
||||
/* Find a previous usable window */
|
||||
win = curwin;
|
||||
do {
|
||||
if (win->w_buffer->b_p_bt[0] == NUL)
|
||||
break;
|
||||
if (win->w_prev == NULL)
|
||||
win = lastwin; /* wrap around the top */
|
||||
else
|
||||
win = win->w_prev; /* go to previous window */
|
||||
} while (win != curwin);
|
||||
}
|
||||
}
|
||||
win_goto(win);
|
||||
|
||||
/* If the location list for the window is not set, then set it
|
||||
* to the location list from the location window */
|
||||
if (win->w_llist == NULL) {
|
||||
win->w_llist = ll_ref;
|
||||
ll_ref->qf_refcount++;
|
||||
}
|
||||
} else {
|
||||
|
||||
/*
|
||||
* Try to find a window that shows the right buffer.
|
||||
* Default to the window just above the quickfix buffer.
|
||||
*/
|
||||
win = curwin;
|
||||
altwin = NULL;
|
||||
for (;; ) {
|
||||
if (win->w_buffer->b_fnum == qf_ptr->qf_fnum)
|
||||
break;
|
||||
if (win->w_prev == NULL)
|
||||
win = lastwin; /* wrap around the top */
|
||||
else
|
||||
win = win->w_prev; /* go to previous window */
|
||||
|
||||
if (IS_QF_WINDOW(win)) {
|
||||
/* Didn't find it, go to the window before the quickfix
|
||||
* window. */
|
||||
if (altwin != NULL)
|
||||
win = altwin;
|
||||
else if (curwin->w_prev != NULL)
|
||||
win = curwin->w_prev;
|
||||
else
|
||||
win = curwin->w_next;
|
||||
break;
|
||||
}
|
||||
|
||||
/* Remember a usable window. */
|
||||
if (altwin == NULL && !win->w_p_pvw
|
||||
&& win->w_buffer->b_p_bt[0] == NUL)
|
||||
altwin = win;
|
||||
}
|
||||
|
||||
win_goto(win);
|
||||
}
|
||||
if (qf_jump_to_usable_window(qf_ptr->qf_fnum, &opened_window) == FAIL) {
|
||||
goto failed;
|
||||
}
|
||||
}
|
||||
|
||||
@@ -2115,122 +2242,28 @@ win_found:
|
||||
old_lnum = curwin->w_cursor.lnum;
|
||||
|
||||
if (qf_ptr->qf_fnum != 0) {
|
||||
if (qf_ptr->qf_type == 1) {
|
||||
/* Open help file (do_ecmd() will set b_help flag, readfile() will
|
||||
* set b_p_ro flag). */
|
||||
if (!can_abandon(curbuf, forceit)) {
|
||||
EMSG(_(e_nowrtmsg));
|
||||
ok = false;
|
||||
} else {
|
||||
ok = do_ecmd(qf_ptr->qf_fnum, NULL, NULL, NULL, (linenr_T)1,
|
||||
ECMD_HIDE + ECMD_SET_HELP,
|
||||
oldwin == curwin ? curwin : NULL);
|
||||
}
|
||||
} else {
|
||||
int old_qf_curlist = qi->qf_curlist;
|
||||
bool is_abort = false;
|
||||
|
||||
ok = buflist_getfile(qf_ptr->qf_fnum, (linenr_T)1,
|
||||
GETF_SETMARK | GETF_SWITCH, forceit);
|
||||
if (qi != &ql_info && !win_valid_any_tab(oldwin)) {
|
||||
EMSG(_("E924: Current window was closed"));
|
||||
is_abort = true;
|
||||
opened_window = false;
|
||||
} else if (old_qf_curlist != qi->qf_curlist // -V560
|
||||
|| !is_qf_entry_present(qi, qf_ptr)) {
|
||||
if (qi == &ql_info) {
|
||||
EMSG(_("E925: Current quickfix was changed"));
|
||||
} else {
|
||||
EMSG(_("E926: Current location list was changed"));
|
||||
}
|
||||
is_abort = true;
|
||||
}
|
||||
|
||||
if (is_abort) {
|
||||
ok = false;
|
||||
int abort = false;
|
||||
retval = qf_jump_edit_buffer(qi, qf_ptr, forceit, oldwin, &opened_window,
|
||||
&abort);
|
||||
if (abort) {
|
||||
qi = NULL;
|
||||
qf_ptr = NULL;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
if (ok == OK) {
|
||||
/* When not switched to another buffer, still need to set pc mark */
|
||||
if (curbuf == old_curbuf)
|
||||
if (retval == OK) {
|
||||
// When not switched to another buffer, still need to set pc mark
|
||||
if (curbuf == old_curbuf) {
|
||||
setpcmark();
|
||||
}
|
||||
|
||||
if (qf_ptr->qf_pattern == NULL) {
|
||||
/*
|
||||
* Go to line with error, unless qf_lnum is 0.
|
||||
*/
|
||||
i = qf_ptr->qf_lnum;
|
||||
if (i > 0) {
|
||||
if (i > curbuf->b_ml.ml_line_count)
|
||||
i = curbuf->b_ml.ml_line_count;
|
||||
curwin->w_cursor.lnum = i;
|
||||
}
|
||||
if (qf_ptr->qf_col > 0) {
|
||||
curwin->w_cursor.col = qf_ptr->qf_col - 1;
|
||||
curwin->w_cursor.coladd = 0;
|
||||
if (qf_ptr->qf_viscol == true) {
|
||||
// Check each character from the beginning of the error
|
||||
// line up to the error column. For each tab character
|
||||
// found, reduce the error column value by the length of
|
||||
// a tab character.
|
||||
line = get_cursor_line_ptr();
|
||||
screen_col = 0;
|
||||
for (char_col = 0; char_col < curwin->w_cursor.col; ++char_col) {
|
||||
if (*line == NUL)
|
||||
break;
|
||||
if (*line++ == '\t') {
|
||||
curwin->w_cursor.col -= 7 - (screen_col % 8);
|
||||
screen_col += 8 - (screen_col % 8);
|
||||
} else
|
||||
++screen_col;
|
||||
}
|
||||
}
|
||||
check_cursor();
|
||||
} else
|
||||
beginline(BL_WHITE | BL_FIX);
|
||||
} else {
|
||||
pos_T save_cursor;
|
||||
|
||||
/* Move the cursor to the first line in the buffer */
|
||||
save_cursor = curwin->w_cursor;
|
||||
curwin->w_cursor.lnum = 0;
|
||||
if (!do_search(NULL, '/', qf_ptr->qf_pattern, (long)1,
|
||||
SEARCH_KEEP, NULL, NULL)) {
|
||||
curwin->w_cursor = save_cursor;
|
||||
}
|
||||
}
|
||||
qf_jump_goto_line(qf_ptr->qf_lnum, qf_ptr->qf_col, qf_ptr->qf_viscol,
|
||||
qf_ptr->qf_pattern);
|
||||
|
||||
if ((fdo_flags & FDO_QUICKFIX) && old_KeyTyped)
|
||||
foldOpenCursor();
|
||||
if (print_message) {
|
||||
/* Update the screen before showing the message, unless the screen
|
||||
* scrolled up. */
|
||||
if (!msg_scrolled)
|
||||
update_topline_redraw();
|
||||
sprintf((char *)IObuff, _("(%d of %d)%s%s: "), qf_index,
|
||||
qi->qf_lists[qi->qf_curlist].qf_count,
|
||||
qf_ptr->qf_cleared ? _(" (line deleted)") : "",
|
||||
(char *)qf_types(qf_ptr->qf_type, qf_ptr->qf_nr));
|
||||
/* Add the message, skipping leading whitespace and newlines. */
|
||||
len = (int)STRLEN(IObuff);
|
||||
qf_fmt_text(skipwhite(qf_ptr->qf_text), IObuff + len, IOSIZE - len);
|
||||
|
||||
/* Output the message. Overwrite to avoid scrolling when the 'O'
|
||||
* flag is present in 'shortmess'; But when not jumping, print the
|
||||
* whole message. */
|
||||
i = msg_scroll;
|
||||
if (curbuf == old_curbuf && curwin->w_cursor.lnum == old_lnum) {
|
||||
msg_scroll = true;
|
||||
} else if (!msg_scrolled && shortmess(SHM_OVERALL)) {
|
||||
msg_scroll = false;
|
||||
}
|
||||
msg_ext_set_kind("quickfix");
|
||||
msg_attr_keep(IObuff, 0, true, false);
|
||||
msg_scroll = (int)i;
|
||||
qf_jump_print_msg(qi, qf_index, qf_ptr, old_curbuf, old_lnum);
|
||||
}
|
||||
} else {
|
||||
if (opened_window) {
|
||||
|
||||
Reference in New Issue
Block a user