Reference manual for Lua 5.0

Copyright © 2003 Tecgraf, PUC-Rio. All rights reserved.

• 1 - Introduction
• 2 - The Language
  • 2.1 - Lexical Conventions
  • 2.2 - Values and Types
    • 2.2.1 - Coercion
  • 2.3 - Variables
  • 2.4 - Statements
    • 2.4.1 - Chunks
    • 2.4.2 - Blocks
    • 2.4.3 - Assignment
    • 2.4.4 - Control Structures
    • 2.4.5 - For Statement
    • 2.4.6 - Function Calls as Statements
    • 2.4.7 - Local Declarations
  • 2.5 - Expressions
    • 2.5.1 - Arithmetic Operators
    • 2.5.2 - Relational Operators
    • 2.5.3 - Logical Operators
    • 2.5.4 - Concatenation
    • 2.5.5 - Precedence
    • 2.5.6 - Table Constructors
    • 2.5.7 - Function Calls
    • 2.5.8 - Function Definitions
  • 2.6 - Visibility Rules
  • 2.7 - Error Handling
  • 2.8 - Metatables
  • 2.9 - Garbage Collection
    • 2.9.1 - Garbage-Collection Metamethods
    • 2.9.2 - Weak Tables
  • 2.10 - Coroutines
• 3 - The Application Program Interface
  • 3.1 - States
  • 3.2 - The Stack and Indices
  • 3.3 - Stack Manipulation
  • 3.4 - Querying the Stack
  • 3.5 - Getting Values from the Stack
  • 3.6 - Pushing Values onto the Stack
  • 3.7 - Controlling Garbage Collection
  • 3.8 - Userdata
  • 3.9 - Metatables
  • 3.10 - Loading Lua Chunks
  • 3.11 - Manipulating Tables
  • 3.12 - Manipulating Environments
  • 3.13 - Using Tables as Arrays
  • 3.14 - Calling Functions
  • 3.15 - Protected Calls
  • 3.16 - Defining C Functions
  • 3.17 - Defining C Closures
  • 3.18 - Registry
  • 3.19 - Error Handling in C
  • 3.20 - Threads
• 4 - The Debug Interface
  • 4.1 - Stack and Function Information
  • 4.2 - Manipulating Local Variables and Upvalues
  • 4.3 - Hooks
• 5 - Standard Libraries
  • 5.1 - Basic Functions
  • 5.2 - Coroutine Manipulation
  • 5.3 - String Manipulation
  • 5.4 - Table Manipulation
  • 5.5 - Mathematical Functions
  • 5.6 - Input and Output Facilities
  • 5.7 - Operating System Facilities
  • 5.8 - The Reflexive Debug Interface
• 6 - Lua Stand-alone
• The Complete Syntax of Lua