The implementation described in this manual is available at Lua's official web site, .
Lua is intended to be used as a powerful, light-weight scripting language for any program that needs one. This host program can invoke functions to execute a piece of Lua code, can write and read Lua variables, and can register C functions to be called by Lua code.
Through the use of C functions, Lua can be augmented to cope with a wide range of different domains, thus creating customized programming languages sharing a syntactical framework.
The Lua distribution includes a sample host program called , which uses the Lua library to offer a complete, stand-alone Lua interpreter.
Lua is free software, and is provided as usual with no guarantees, as stated in its license.
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contents · index · other versions · english · portugus · espaol Lua is an extension programming language designed to support general procedural programming with data description facilities.
It also offers good support for object-oriented programming, functional programming, and data-driven programming.
This section describes the lexis, the syntax, and the semantics of Lua.