emacs cscope

  cscope -Rbkq

这个命令会生成三个文件：cscope.out, cscope.in.out, cscope.po.out。
其中cscope.out是基本的符号索引，后两个文件是使用”-q”选项生成的，可以加快cscope的索引速度。
上面所用到的命令参数，含义如下：

-R: 在生成索引文件时，搜索子目录树中的代码
-b: 只生成索引文件，不进入cscope的界面
-k: 在生成索引文件时，不搜索/usr/include目录
-q: 生成cscope.in.out和cscope.po.out文件，加快cscope的索引速度

默认的按键绑定

;; * Keybindings: ;; ;; All keybindings use the "C-c s" prefix, but are usable only while ;; editing a source file, or in the cscope results buffer: ;; ;;      C-c s s         Find symbol. ;;      C-c s d         Find global definition. ;;      C-c s g         Find global definition (alternate binding). ;;      C-c s G         Find global definition without prompting. ;;      C-c s c         Find functions calling a function. ;;      C-c s C         Find called functions (list functions called ;;                      from a function). ;;      C-c s t         Find text string. ;;      C-c s e         Find egrep pattern. ;;      C-c s f         Find a file. ;;      C-c s i         Find files #including a file. ;; ;; These pertain to navigation through the search results: ;; ;;      C-c s b         Display *cscope* buffer. ;;      C-c s B         Auto display *cscope* buffer toggle. ;;      C-c s n         Next symbol. ;;      C-c s N         Next file. ;;      C-c s p         Previous symbol. ;;      C-c s P         Previous file. ;;      C-c s u         Pop mark. ;; ;; These pertain to setting and unsetting the variable, ;; `cscope-initial-directory', (location searched for the cscope database ;;  directory): ;; ;;      C-c s a         Set initial directory. ;;      C-c s A         Unset initial directory. ;; ;; These pertain to cscope database maintenance: ;; ;;      C-c s L         Create list of files to index. ;;      C-c s I         Create list and index. ;;      C-c s E         Edit list of files to index. ;;      C-c s W         Locate this buffer's cscope directory ;;                      ("W" --> "where"). ;;      C-c s S         Locate this buffer's cscope directory. ;;                      (alternate binding: "S" --> "show"). ;;      C-c s T         Locate this buffer's cscope directory. ;;                      (alternate binding: "T" --> "tell"). ;;      C-c s D         Dired this buffer's directory.