我在Emacs 24中使用GDB,gdb-many-
windows设置为t,通常在自己的框架中.我喜欢有一个单独的编辑框架.它看起来像这样(为我粗略的ASCII图表道歉)：
+-------------+-------------+ | gdb | locals | +-------------+-------------+ | source | I/O | | | | +-------------+-------------+ | stack | breakpoints | +-------------+-------------+
除了一个大问题外,这种方法效果很好.每当gdb需要显示不同的源缓冲区时,例如,在上/下/步之后,它并不总是在“源”窗口中显示它.例如,如果我在不同帧的窗口中打开相同的缓冲区,它将提升该帧,同时将键盘焦点保持在gdb帧中.当帧相互覆盖时,这对于单显示器设置来说真的很烦人.
我希望gdb始终使用gdb-many-windows设置中的源窗口来显示源,无论是否在其他地方显示相同的源缓冲区.我怎样才能做到这一点？
编辑：更详细的重现说明.我正在使用Emacs 24.2.1和GDB 7.5-ubuntu.我在Ubuntu 10.04和Linux Mint Nadia与Cinnamon上看到过这个问题.
>评估此表达式：(setq gdb-many-windows t)
>使用至少两个文件编译C程序.
例如：
// foo.c
void bar(int);
void foo(int c) {
if (c > 0)
bar(c - 1);
}
int main(void) {
foo(100);
return 0;
}
// bar.c
void foo(int c);
void bar(int c) {
if (c > 0)
foo(c - 2);
}
// compile with gcc -g -O0 foo.c bar.c -o test
>让bar.c显示在主框架中.使用M-x 5打开一个新帧2.在该帧中,使用M-x gdb启动gdb.如上图所示,该帧中应该有六个窗口.将gdb框架放在源框架的顶部.
>在main中设置断点并逐步调用foo和bar.当调用bar时,主框架将在gdb框架上方抬起,因为bar.c已在那里可见,但键盘焦点将保留在gdb框架中.
我认为问题函数是gud.el.gz中的gdb-display-source-buffer.我打算尝试用defadvice来覆盖它,但我并不熟悉建议.如果我搞清楚,我会在这里发一个答案.
我有24.3.我无法重现这个版本的问题.
gud-display-line看起来如下：
gud-display-line看起来如下：
(defun gud-display-line (true-file line) (let* ((last-nonmenu-event t) ; Prevent use of dialog Box for questions. (buffer (with-current-buffer gud-comint-buffer (gud-find-file true-file))) (window (and buffer (or (get-buffer-window buffer) (display-buffer buffer)))) (pos)) (when buffer (with-current-buffer buffer (unless (or (verify-visited-file-modtime buffer) gud-keep-buffer) (if (yes-or-no-p (format "File %s changed on disk. Reread from disk? " (buffer-name))) (revert-buffer t t) (setq gud-keep-buffer t))) (save-restriction (widen) (goto-char (point-min)) (forward-line (1- line)) (setq pos (point)) (or gud-overlay-arrow-position (setq gud-overlay-arrow-position (make-marker))) (set-marker gud-overlay-arrow-position (point) (current-buffer)) ;; If they turned on hl-line,move the hl-line highlight to ;; the arrow's line. (when (featurep 'hl-line) (cond (global-hl-line-mode (global-hl-line-highlight)) ((and hl-line-mode hl-line-sticky-flag) (hl-line-highlight))))) (cond ((or (< pos (point-min)) (> pos (point-max))) (widen) (goto-char pos)))) (when window (set-window-point window gud-overlay-arrow-position) (if (eq gud-minor-mode 'gdbmi) (setq gdb-source-window window))))))
