parslet - Get Started

Let’s develop a small language that allows for simple computation together. Here’s a valid input file for that language: puts(1 + 2) puts(4 + 2) To install the parslet library, please do a gem install parslet Now let’s write the first part of our parser. For now, we’ll just recognize simple numbers like ‘1’ or ‘42’. require 'parslet' class Mini < Parslet::Parser rule(:integer) { match('[0-9]').rep

[yugui]

PEG parser library