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Compiler Construction

Build your own programming language. Master Lexing, Parsing, ASTs, and Code Generation using LLVM to understand how code runs.

Compilers are the ultimate meta-programming. This course guides you through building a real programming language from scratch. You will learn to tokenize source code (Lexing), define grammars and build Abstract Syntax Trees (Parsing), and perform Semantic Analysis. We cover Code Generation targeting LLVM IR (Intermediate Representation), allowing your language to compile to native machine code. You will gain a profound understanding of how high-level code maps to hardware.

✅ 100% Free & Lifetime Access
⏱️ 5-Minute Lessons (Bite-sized learning)
🚀 21-Lesson Path (Independent modules)
📱 Mobile Friendly (Learn anywhere)
Language Devs
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Complete Course Syllabus

  • 1
    Architecture
    The frontend, optimizer, and backend phases.
  • 2
    Lexing & Parsing
    Turning text into tokens and tree structures.
  • 3
    Semantic Analysis
    Checking types and scope rules on the AST.
  • 4
    LLVM IR Gen
    Translating the AST into LLVM Intermediate Representation.
  • 5
    Optimization
    Simple passes to make code smaller and faster.

Estimated completion time: 21 lessons • Self-paced learning • Lifetime access

Career Outlook

Estimated Salary
$130k - $190k

Career Paths

Compiler Engineer $140k-$200k
Language Designer $130k-$180k
Systems Tooling Eng $125k-$170k

What You Will Learn

Build a Lexer and Parser for a custom language syntax
Construct and traverse Abstract Syntax Trees (ASTs)
Perform Semantic Analysis and Type Checking
Generate LLVM IR to compile to native machine code
Optimize code through intermediate representation passes

Skills You Will Gain

Compiler Design LLVM Formal Grammars C++ Language Theory

Who Is This For

Language Enthusiasts
Systems Engineers
Tool Developers

Prerequisites

Data Structures
C++

Compiler Construction FAQs

Build logic?

Yes, you build a working compiler backend.

Hard?

Yes, one of the most challenging CS topics.

Language?

We use C++ to build the compiler (standard).

LLVM?

Industry standard toolchain used by Swift/Rust.

Need more info?
All Reork courses are 100% free, self-paced, and fully accessible on mobile devices. No prior experience is required. Read our full Platform FAQ.

Tech Stack & Tools

LLVM
Flex/Bison
C++
Make

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