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Implementing a Domain-Specific Language (DSL) with LLVM and C++

Tutorial February 12, 2025

In this tutorial, you learned how to build a DSL from scratch with modern C++ and LLVM:

  • Lexing & Parsing: Tokenizing input and building an AST using recursive-descent parsing.
  • AST & Code Generation: Creating an AST that maps directly to LLVM IR, enabling advanced optimizations.
  • Optimization & Execution: Leveraging LLVM’s optimization passes and setting the stage for JIT compilation.