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lisp_complier's Introduction

JS_SCHEME_COMPLIER

SICP解释器- javascript实现

在学习SICP这本书的过程中,一直使用mit-Scheme来敲,但是用的很不习惯(个人感受)。所以希望有一个更简单的界面来操作,正好学习这本书可以实现一个解释器,所以索性打算 在实现解释器的基础上做一个简单的页面,然后就可以DIY各种功能啦!目前还在写解释器的阶段。。。任重而道远啊!

既然要拿出来用,当然测试方面要跟上,目前在写好一个函数后加基本的测试用例,除此之外,要能推广使用的话 当然书中的例子肯定要通过啊!所以目前也在重新刷一遍,边看边把书中出现的所有example加入到我的测试用例里,详情请看 第一章

现已实现的函数(偷懒直接贴代码啦。)

function initDefaultEnv() {
  let env = new Env();
  env.register('+', operaters.add);
  env.register('-', operaters.subtract);
  env.register('*', operaters.multi);
  env.register('/', operaters.divide);
  env.register('lambda', operaters.lambda);
  env.register('define', operaters.define);
  env.register('if', operaters.myIf);
  env.register('>', operaters.greaterThen);
  env.register('>=', operaters.greaterAndEqualsThen);
  env.register('<', operaters.lessThen);
  env.register('<=', operaters.lessAndEqualsThen);
  env.register('=', operaters.equals);
  env.register('cond', operaters.cond);
  env.register('and', operaters.and);
  env.register('or', operaters.or);
  env.register('not', operaters.not);
  return env;
}
$ npm i | yarn 

$ npm run dev | yarn run dev

2. test

$ npm test | yarn test

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