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

PostgreSQL's Parser Implementation with Flex and Bison

Understanding PostgreSQL's Parser Architecture When examining PostgreSQL's source code, one might notice that the conventional Bison parser function yyparse is replaced by base\_yyparse(). This modification is part of PostgreSQL's customized implementation of Flex and Bison for its SQL parsing needs. The PostgreSQL parser configuration in gram. ...

Posted on Tue, 23 Jun 2026 16:50:25 +0000 by jstarkweather

Lexical Analysis Implementation in C Language

char prog[200], token[20]; char ch; int syn, p, m = 0, n, row, sum = 0; const char* kwList[10] = {"if","int","for","while","do","return","break","continue","using","namesapce"}; const char* idList[8] = {"main","a","b&quot ...

Posted on Mon, 15 Jun 2026 17:22:14 +0000 by pacome