语义，cedet如何强制解析源文件

Question

我一直在我的 emacs c/c++ 开发设置中试验 cedet 和语义，我对它非常满意，除了一个小细节。

我使用ede-cpp-root-project 创建一个项目，并提供我的项目的根目录以及包含文件所在的目录，如下所示：

(ede-cpp-root-project "My Project"
                :name "My Project"
                :file "/path/to/rootdir/AFILE"
                :include-path '( 
                "/include2"
                "/include1"
                               )

                )

这让我可以轻松地跳转到带有semantic-ia-fast-jump 的函数声明，但它无法让我了解这些函数的定义。所以它似乎只处理头文件而完全忽略源文件。即使我继续声明函数并触发semantic-analyze-proto-impl-toggle，它也会告诉我找不到合适的实现。

如果我手动打开函数实现所在的源文件，那么只有这样它被语义解析并且上述所有函数都起作用。

所以我的问题是，除了手动打开项目根目录下包含的所有源文件或通过:spp-files 参数手动将它们包含在ede-cpp-root-project 中之外，还有其他方法可以强制解析目录下的所有源文件?

谢谢！

Answer 1

在长时间忽略这个问题后，我想我应该花一些时间阅读 elisp 并尝试找出解决方法。它不是最漂亮的 elisp 代码，因为我仅将 elisp 用于我的 emacs 需求，但它可以满足我的需求。

(defvar c-files-regex ".*\\.\\(c\\|cpp\\|h\\|hpp\\)"
  "A regular expression to match any c/c++ related files under a directory")

(defun my-semantic-parse-dir (root regex)
  "
   This function is an attempt of mine to force semantic to
   parse all source files under a root directory. Arguments:
   -- root: The full path to the root directory
   -- regex: A regular expression against which to match all files in the directory
  "
  (let (
        ;;make sure that root has a trailing slash and is a dir
        (root (file-name-as-directory root))
        (files (directory-files root t ))
       )
    ;; remove current dir and parent dir from list
    (setq files (delete (format "%s." root) files))
    (setq files (delete (format "%s.." root) files))
    (while files
      (setq file (pop files))
      (if (not(file-accessible-directory-p file))
          ;;if it's a file that matches the regex we seek
          (progn (when (string-match-p regex file)
               (save-excursion
                 (semanticdb-file-table-object file))
           ))
          ;;else if it's a directory
          (my-semantic-parse-dir file regex)
      )
     )
  )
)

(defun my-semantic-parse-current-dir (regex)
  "
   Parses all files under the current directory matching regex
  "
  (my-semantic-parse-dir (file-name-directory(buffer-file-name)) regex)
)

(defun lk-parse-curdir-c ()
  "
   Parses all the c/c++ related files under the current directory
   and inputs their data into semantic
  "
  (interactive)
  (my-semantic-parse-current-dir c-files-regex)
)

(defun lk-parse-dir-c (dir)
  "Prompts the user for a directory and parses all c/c++ related files
   under the directory
  "
  (interactive (list (read-directory-name "Provide the directory to search in:")))
  (my-semantic-parse-dir (expand-file-name dir) c-files-regex)
)

(provide 'lk-file-search)

要使用它，可以像这样直接调用函数：(my-semantic-parse-dir "path/to/dir/root/" ".*regex") 或从缓冲区按 M-x lk-parse-curdir-c 以递归扫描该缓冲区的访问文件名目录中的所有 c/c++ 相关文件。

调用该函数的另一种可能更可取的方法是交互式调用lk-parse-dir-c，这反过来会提示您输入要解析的目录。

如果任何 elisp 大师有更好的解决方案或建议来改进代码，我很乐意听到他们。

Answer 2

我最近为 Python 实现了这个。稍作改动即可用于 C/C++。

(defvar python-extention-list (list "py"))

(defun semanticdb-rescan-directory (pathname)
  (dolist (file (cddr (directory-files pathname t)))
    (if (file-directory-p file)
        (semanticdb-rescan-directory file)
      (when (member (file-name-extension file) python-extention-list)
        (message "Parsing %s file." file)
        (ignore-errors
            (semanticdb-file-table-object file))))))

(defun semantic-python-rescan-includes ()
  (interactive)
  (dolist (includes (semantic-python-get-system-include-path))
    (message "Parsing %s" includes)
    (semanticdb-rescan-directory includes)))

Answer 3

尝试运行命令“bovinate”。这可以通过组合键 Meta + X 然后键入“bovinate”，然后按“Enter”键来完成。 “Meta”键在 Windows 中称为“Alt”键。