yip-core/examples/.yipconfig.js

basic acces tp the yip (yet-interpreted-programming) c & dr models (Yip compiler & direct-runner)

const { Yip } = require('../yip');

const y = new Yip([]);

// Runtime command: print!("...")
y.register('print', 'Print to console', `print!("hello");`, function () {
  this.semicolonEnding(() => {
    const val = this.parseParen();
    console.log(this.resolve(val));
  });
});

// Runtime command: let! x = 42;
y.register('let', 'Declare one or more variables', `let! x = 10, y = 20;`, function () {
  this.semicolonEnding(() => {
    const name = this.next();
    this.expect('=');
    const value = this.next();
    this.vars[name] = this.resolve(value);
  });
});

// Compiler: print!("hello");
y.registerCompiler('print', 'Compile print to JS', `print!("hello");`, function () {
  let out = '';
  this.semicolonEnding(() => {
    const val = this.parseParen();
    out += `console.log(${JSON.stringify(this.resolve(val))});\n`;
  });
  return out;
});

module.exports = y;