kolharsam

#! /usr/bin/env stack
-- stack --resolver lts-12.14 script

{-# LANGUAGE OverloadedStrings #-}

{-
This is a handy illustration of converting between five of the commonly-used
string types in Haskell (String, ByteString, lazy ByteString, Text and lazy
Text).

kolharsam

#!/bin/sh

#_(
   "exec" "clojure" "-Sdeps" "{:deps {org.clojure/clojurescript {:mvn/version \"1.10.520\"}}}" "$0" "$@"
   )

;; running js_parser.clj "function foo(x) { var y = x + 1; }" will print:
;; [{:type :function, :name "foo", :body [{:variable-statement [{:lvalue "y", :initializer {:type :binary-op, :left "x", :operator "+", :right "1"}}]}], :params ["x"]}]

kolharsam

Parsing CSS file with monadic parser in Clojure

Inspired by "Parsing CSS with Parsec".

Just quick notes and code that you can play with in REPL.

By @kachayev

0. Intro

kolharsam

; A simple demo of monadic composition of side effects
; Program to take 3 nubers as input and print their sum.

(defn read-and-add!
  [prev]
  (print "Enter a number: ")
  (+ prev (do (flush)
              (Integer/parseInt (read-line)))))

(defn bind

kolharsam

Introductory Material

• Add Graal JIT Compilation to Your JVM Language in 5 Steps, A Tutorial http://stefan-marr.de/2015/11/add-graal-jit-compilation-to-your-jvm-language-in-5-easy-steps-step-1/

• The SimpleLanguage, an example of using Truffle with great JavaDocs. It is the officle getting-started project: https://github.com/graalvm/simplelanguage

• Truffle Tutorial, Christan Wimmer, PLDI 2016, 3h recording https://youtu.be/FJY96_6Y3a4 Slides