piet-interpreter v0.0.6

Piet-interpreter

how to use

code is array of array of color. equals piet-loder's output.

const loader = require('piet-loader'); // load
const interpreter = require('piet-interpreter');

const p1 = loader.load(...); // see https://github.com/nna774/piet-loader
const input = '42 3 14 hoge'.split(' '); // input is array

p1.then((code) => {
  const world = interpreter.create(code, input);
  while(world.halt) {
    console.log(world.env.output);
    world = interpreter.next(world); // step execution
  }
});

const p2 = loader.load(...); // another piet
p2.then((code) => {
  console.log(interpreter.run(code, input)); // run piet and returns output
});

public env members

• x: current codel position x
• y: current codel position y

like above

code(x,y)
  0,0 0,1 0,2...
  1,0 1,1...
  2,0...

• dp: direction pointer status
• cc: codel chooser statu

dp
  0, 4, 8...: right →
  1, 5, 9...: down ↓
  2, 6, 10..: left ←
  3, 7, 11..: up ↑

cc
  even: left ←
  odd: right →

• stack: stack status
• input: input

• output: output

• cmd: last executed command