Open topic with navigation

Lua 5.3 Reference Manual

The reference manual is the official definition of the Lua language.
For a complete introduction to Lua programming, see the book Programming in Lua.

Copyright © 2015 Lua.org, PUC-Rio. Freely available under the terms of the Lua license.

NOTE: Certain elements of the Lua 5.2 Reference Manual have been omitted here if they do not pertain to the Lua implementation within Q-SYS.

Contents

• Introduction

• Basic Concepts
  • 1 – Values and Types
  • 2 – Environments and the Global Environment
  • 3 – Error Handling
  • 4 – Metatables and Metamethods
  • 5 – Garbage Collection
    • 5.1 – Garbage-Collection Metamethods
    • 5.2 – Weak Tables

• The Language
  • 1 – Lexical Conventions
  • 2 – Variables
  • 3 – Statements
    • 3.1 – Blocks
    • 3.2 – Chunks
    • 3.3 – Assignment
    • 3.4 – Control Structures
    • 3.5 – For Statement
    • 3.6 – Function Calls as Statements
    • 3.7 – Local Declarations
  • 4 – Expressions
    • 4.1 – Arithmetic Operators
    • 4.2 – Bitwise Operators
    • 4.3 – Coercions and Conversions
    • 4.4 – Relational Operators
    • 4.5 – Logical Operators
    • 4.6 – Concatenation
    • 4.7 – The Length Operator
    • 4.8 – Precedence
    • 4.9 – Table Constructors
    • 4.10 – Function Calls
    • 4.11 – Function Definitions
  • 5 – Visibility Rules

• Standard Libraries
  • 1 – Basic Functions
  • 2 – Modules
  • 3 – String Manipulation
    • 3.1 – Patterns
    • 3.2 – Format Strings for Pack and Unpack
  • 4 – UTF-8 Support
  • 5 – Table Manipulation
  • 6 – Mathematical Functions
  • 7 – Operating System Facilities

• Incompatibilities with the Previous Version
  • 1 – Changes in the Language
  • 2 – Changes in the Libraries

• The Complete Syntax of Lua

Index

Last update: Wed Jun 17 08:30:41 BRT 2015