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ARCHIVED - Moved to gitlab

gendoxy

An emacs package to generate doxygen documentation from C code

This plugin generates doxygen documentation from C source code
It generates a doxygen documentation skeleton for the most common C constructs

Features

  • Dedicated command for module documentation (author, file, date, copyright, etc)
  • Support for macros, functions, variables, struct, enum and typedef
  • Return tag added on non-void functions
  • Function parameters have particular features:
    • Added only if a name is specified, ignored if type only is present
    • Direction is inferred by type (in, out, inout)
    • Documentation can be guessed by name ( * @param buffer_len The length of buffer)
  • Support for groups

Installation

Put file gendoxy.el in a path accessible to emacs (add-to-list 'load-path ...)
Load it in your init file (load "gendoxy.el")

Configuration

Once the package is loaded, there are four variables that control documentation generation:

  • gendoxy-backslash: if not nil, will use backslash instead of ampersat
  • gendoxy-default-text: Default string used in generated documentation
  • gendoxy-skip-details: If not nil, will omit details in header and functions
  • gendoxy-details-empty-line: If not nil, will use an empty line instead of the details tag to add details. Note that this has effect only if gendoxy-skip-details is nil

Groups

To to document a group of items (typically macros or variables), you can use the command:
M-x gendoxy-group
To document a group but not the single items, use the command:
M-x gendoxy-group-header
Since sometimes may not be easy to guess start and end of group, two explicit commands have been added:
gendoxy-group-start and gendoxy-group-end.

Example:
Assume you have these 4 macros. To properly identify a group, newlines must be present before and after

line 1:
line 2: #define M1 1
line 3: #define M2 2
line 4: #define M3 3
line 5: #define M4 4
line 6:

Now put your cursor on line 2: If you run command gendoxy-group, this will be the result:

/**
 * @name Group title
 * Description
 * @{
 */
#define M1 1 /**< Description */
#define M2 2 /**< Description */
#define M3 3 /**< Description */
#define M4 4 /**< Description */
/**
 * @}
 */

If gendoxy fails detecting your group, you can split the prologue and epilogue documentation with commands:
gendoxy-group-start and gendoxy-group-end

Usage

The first command is gendoxy-header, that generate documentation for current file
Then start documenting declarations with command gendoxy-tag:
Put the cursor on the first line of a declaration to document, (not necessarily at the beginning of line) and run M-x gendoxy-tag
This will document your declaration and all its sub-items (on structs/enums) if any
If you want to document a declaration, but not its subitems, then use command M-x gendoxy-tag-header

Notes

The gendoxy package doesn't define a new mode, just offers some commands to use
For a more productive environment, just bind your favorite key to gendoxy-tag and/or gendoxy-tag-header commands.
Additionally, you can set up your details/tag char configuration.
Once your setup is done, open a header file, add the header if missing and go with comments!

Special

gendoxy is written in purely functional elisp (no setq or equivalent)
gendoxy does not have any external dependency, even cl-lib is never called!