Comprehensive Lua Training Course

Introduction to Lua

• Historical context
• Objectives, features, and limitations of Lua
• Available documentation and tutorial resources
• Installing the Lua interpreter
• Configuring and utilizing LuaRocks

Basic syntax and semantics

• Identifiers
• Comments and block comments
• Global variables and strict mode enforcement
• Local variables
• Running standalone scripts and handling command-line arguments
• Compilation units, chunks, expressions, and semicolons

Data types and data structures

• Primitive types: nil, boolean, number, string
• Object types: function, userdata, thread, table
• Distinguishing between references/objects and primitive values
• The pivotal role of tables in Lua

Introduction to tables and their versatility

• Tables functioning as associative arrays
• Tables functioning as numeric arrays and sequences

Basic control structures

• Conditional statements: if, then, elseif, else, end
• The while loop
• The repeat loop
• The simple for loop

Error handling

• Contrasting return values with exceptions
• Transforming return values into exceptions
• Transforming exceptions into return values
• Understanding error levels

Example programs

• Evaluating polynomials
• Breadth-first search implementation
• Additional practice exercises

More about functions

• Named arguments
• Object-oriented function calls
• Closures
• Currying
• Tail calls
• Multiple assignment and return statements
• Varargs

Iterators and co-routines

• The generic for loop
• Stateless versus stateful iterators
• Distinguishing between iterators and co-routines

Metatables and metamethods

• Implementing sets
• The __tostring metamethod
• Arithmetic metamethods
• The __index and __newindex metamethods
• The __len metamethod

Modules and packages

• Utilizing existing modules
• Creating new modules
• Organizing modules into packages

Advanced tables

• Implementing queues and stacks with tables
• Representing graphs using tables
• Matrices as tables
• Linked lists as tables
• String buffers

Metatables through examples

• Proxies
• Read-only implementations
• Memoization
• Dynamic programming using memoization
• The Fibonacci sequence example

Environments

• The relationship between global variables and environments
• Free variables
• The _ENV and _G tables

More about modules

• Various approaches to module creation
• Modules that modify behavior
• Module initialization and argument passing
• Using environments to build secure modules

Advanced iterators and co-routines

• Producer, consumer, and filter patterns
• Wrapping co-routines to create iterators
• Stateless iterators for linked lists

Contributing to the Ecosystem

• Uploading packages to MoonRocks

Functional paradigm in Lua

• The map function
• The reduce/fold function

Object-oriented Programming

• Various OOP approaches
• Inheritance strategies
• Practical examples

A walkthrough of the Lua Standard Libraries

Compilation

• Compilation processes
• Evaluation
• Interactions with the environment
• Binary chunks

Garbage collection

• Weak tables
• Finalizers and the __gc meta-method

Lua bytecode and virtual machine

• Generating bytecode from source code
• Reading and analyzing bytecode
• Overview of the Lua VM source code

C modules

• Calling C code from Lua
• Search paths and loading C modules

Calling Lua from C

• The Stack
• Error handling
• Continuations

Handling Lua values and types from C

• Arrays
• Strings
• Userdata
• Metatables
• Object-oriented calls
• Light userdata

Memory management

• Allocators
• GC API

Threads in Lua

• Co-routines versus threads
• True multi-threading and Lua states