Welcome to an engaging journey into the world of compilers and interpreters! This course is designed to be a beginner-friendly introduction to compilers, where you will gradually learn to develop an interpreter for a simple scripting language.
Course Overview
Throughout this course, you will explore the following topics:
Lexical analysis: Understanding the process of tokenizing source code.
Syntax analysis: Delving into the structure of the language.
Parsing algorithms: Implementing strategies to parse code effectively.
Intermediate Representation (AST): Building Abstract Syntax Trees.
Formal languages and grammars: Learning foundational theories.
Backus-Naur Form (BNF) and syntax diagrams: Notating grammars concisely.
Error detection and handling: Managing and correcting syntax errors.
Code generation: Transforming high-level code into machine-executable form.
Creating your own virtual machine (VM): Designing an environment for running bytecode.
Compilers have long been perceived as a complex topic, often symbolized by "dragons," a notion perpetuated by the famous Dragon Book. Contrary to the myth, this course aims to demystify compilers, with a teaching approach tailored for beginners. Think of it as your first step into the world of compilers for those who have yet to write their own interpreters.
What We Will Create
Project Focus: Over the span of this course, you will develop a compiler for a simple programming language called Pinky. Named after its playful inspiration from Lua and ALGOL W, Pinky will serve as a perfect foundation for understanding key compiler concepts.
The course primarily utilizes Python, promoting a focus on compiler-specific principles while enhancing productivity. We also provide valuable insights into implementing these concepts in C for those interested.
Required Tools and Prerequisites
To get started, ensure you have the following:
A command line interface
A simple text editor
A Python interpreter
These tools are cross-platform, so whether you are on Windows, macOS, or Linux, you can seamlessly follow along. While this course does not require any pre-existing knowledge, familiarity with basic programming concepts such as if-else statements, loops, and functions will greatly aid your understanding.
Gustavo Pezzi is a UK-based computer-science lecturer (Pikuma) and one of the most distinctive teachers working at the intersection of low-level programming and game development. His material is unusual in the modern course market for how deep it goes into the foundations: assembly, computer architecture, classical raycasting / rasterisation algorithms, and the math underneath modern graphics.
His CourseFlix listing reflects that range: courses on 3D Computer Graphics Programming, Raycasting Engine Programming, 2D Game Physics Programming, NES Programming with 6502 Assembly, PS1 Programming with MIPS Assembly & C, Atari 2600 Programming, Compilers, Interpreters and Formal Languages, plus C++ engine programming and Lua scripting. Material is paid and aimed at developers who want to understand systems from the ground up rather than ship CRUD apps.
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Frequently asked questions
What prerequisites are needed for this course?
The course is designed for beginners and does not require prior experience with compilers or interpreters. However, a basic understanding of programming concepts and familiarity with Python will be beneficial, as the course includes setting up Python and using Makefiles for project configuration.
What projects will I build during the course?
Students will develop an interpreter for a simple scripting language. Key projects include building an Abstract Syntax Tree (AST), creating a virtual machine for running bytecode, and implementing a tree-walking interpreter. Exercises such as coding a simple tree-walking interpreter and parsing equality and comparison operators are part of the hands-on experience.
Who is the target audience for this course?
This course is ideal for beginners interested in understanding compilers and interpreters. It is also suitable for programmers who want to gain foundational knowledge in lexical analysis, syntax parsing, and code generation, regardless of their prior experience with these topics.
How does this course compare in depth to other courses?
The course offers a comprehensive introduction to compilers and interpreters, covering foundational theories such as formal languages and grammars, Backus-Naur Form (BNF), and syntax diagrams. It also delves into practical aspects like error handling, bytecode generation, and basic code optimization, making it a well-rounded beginner's course.
What specific tools or platforms will I learn?
Students will work with Python for setting up and configuring their projects. The course also covers the use of Makefiles, creating a virtual machine for bytecode execution, and understanding LLVM Intermediate Representation (IR), which are critical tools in the field of compilers.
What topics are not covered in this course?
While the course provides a thorough introduction to compilers and interpreters, it does not cover advanced compiler optimization techniques or the development of full-fledged production-level compilers. It focuses on foundational and intermediate concepts suitable for beginners.
How will this course benefit my future career or studies?
The skills learned in this course, such as lexical and syntax analysis, code generation, and type checking, are foundational for further studies in computer science and software development. Understanding these concepts can be beneficial for careers in software engineering, particularly in roles involving language processing, development tools, or systems programming.
