Implementing a Rust Parser with Logos and LALRPOP for AST Construction

Project Setup This guide demonstrates how to create a complete Rust application that combines logos for lexical analysis and lalrpop for parsing with abstract syntax tree (AST) generation. We'll build a mathematical expression processor with the following components: Dependency Configuration Begin by updating your Cargo.toml with the required ...

Posted on Mon, 03 Aug 2026 16:34:48 +0000 by AlGale

Integrating Logos with LALRPOP for Custom Lexing

Building a lexer from scratch can be complex and error-prone. Instead, leveraging existing libraries like Logos simplifies tokenization significantly. This guide demonstrates how to integrate Logos as the lexer for a toy language parsed with LALRPOP. Consider the follownig input: var a = 42; var b = 23; # a comment print (a - b); Depandency S ...

Posted on Wed, 27 May 2026 22:45:42 +0000 by sloth456