ra-parser
v0.1.6
Published
Defines Relation Algebra syntax and exposes a parser and lexer. Retuns simple AST. Look at compatible runtimes
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Relational Algebra Parser
This package parses a relational algebra syntax into a simple AST. To interpret this Ast,
###To build the parser, from the commandline:
npm install
npm run build
###To use it in your code:
const parser = require('ra-parser');
try {
const programAST = parser.parse('ValidId01 := [[attr1, attr2] -> [[1,2],[2,3]]];');
/*
Do cool things with the AST
*/
} catch(e){
// Won't reach here since there won't be a parsing error
console.log(e.toString());
}
author: Adel Lahlou