lua-doc-extractor

Extracts lua documentation from C-style comments.

Install

$ npm install -g lua-doc-extractor

Usage

Example

Input

/***
 * Main API
 * @table Api
 * @field Version integer
 */

/***
 * The absolute path to the executable.
 * @global ExecutablePath string
 */

/***
 * @enum NameType
 * @field FirstName 1 First name.
 * @field LastName 2 Last name.
 */

/***
 * @field NameType.FullName 3 Full name, including middle names.
 */

/***
 * Get name by ID
 * @function Api.GetName
 * @param id integer The integer of the person.
 * @param nameType NameType Which name to return.
 * @return string name The full or first name of the person.
 */
int SomeClass::GetName(lua_State *L)
{

Output

---@meta

---Main API
Api = {
	---@type integer
	Version = nil
}

---The absolute path to the executable.
---@type string
ExectablePath = nil

---@enum NameType
NameType = {
	--- First name.
	FirstName = 1,

	---Last name.
	LastName = 2,

	---Full name, including middle names.
	FullName = 3
}

---Get name by ID
---
---@param id integer The integer of the person.
---@param nameType NameType Which name to return.
---@return string name The full or first name of the person.
function Api.GetName(id, nameType) end

CLI

Process files:

$ lua-doc-extractor some-file.cpp other-files/*.cpp --dest output

Show usage:

$ lua-doc-extractor --help

To add GitHub source links to the exported library. Provide the --repo argument.

$ lua-doc-extractor **/*.cpp --dest library --repo https://github.com/beyond-all-reason/spring/blob/62ee0b4/

Comments

Lua docs in document comment blocks (/*** <docs> */) will be parsed.

Annotations

All lua language server annotations can be used, some with special handling. Some additional annotations are required by lua-doc-extractor.

@global

@global <name> <type> [description]

Defines a global variable.

@field

@field <name> <type> [description]

Add fields to a table (@table, @class or @enum) by including them in the same comment.

@field <table>.<name> <type> [description]

You can also add fields to a table defined in a different comment.

@function

@function <name> [description]

Defines a global function.

@function <table>.<name> [description]
@function <table>:<name> [description]

Adds a function to a @table or @class defined in a different comment.

Should be paired with @param, @return and @generic attributes.

@table

@table <name>

Defines a global table. Fields can be added with @field.

@enum

@enum <name>

Defines a global table marked with the @enum attribute. Entries can be added with @field.

@class

@class <name>

Defines a class. Fields can be added with @field, methods can be added with @function.

Contributing

PRs accepted.

License

MIT