https://github.com/546669204/javascript-interpreter

用js实现js的解释器。
https://github.com/546669204/javascript-interpreter

ast interpreter javascript

Last synced: 12 days ago
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用js实现js的解释器。

• Host: GitHub
• URL: https://github.com/546669204/javascript-interpreter
• Owner: 546669204
• License: apache-2.0
• Created: 2021-09-12T07:21:32.000Z (over 3 years ago)
• Default Branch: master
• Last Pushed: 2021-09-14T02:30:49.000Z (over 3 years ago)
• Last Synced: 2024-11-07T11:23:55.173Z (2 months ago)
• Topics: ast, interpreter, javascript
• Language: TypeScript
• Homepage:
• Size: 146 KB
• Stars: 1
• Watchers: 2
• Forks: 0
• Open Issues: 1
• Metadata Files:
  • Readme: readme.md
  • License: LICENSE

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README

        
# Javascript-Interpreter

用js实现js的解释器。

demo: https://546669204.github.io/javascript-interpreter/

### Expression

* [x] ArrayExpression       [1,2,3,...]

* [x] AssignmentExpression  a = 1

* [x] BinaryExpression      a>b

* [x] CallExpression        x()

* [x] ConditionalExpression x?a:b

* [x] FunctionExpression    var x = function(){}

* [x] LogicalExpression     a || b

* [x] MemberExpression      a.b.c

* [x] NewExpression         new x

* [x] ObjectExpression      {a:"1",...}

* [x] SequenceExpression    expression1,expression2,...

* [x] ThisExpression        this

* [x] UnaryExpression       !x/~x/...

* [x] UpdateExpression      x++/x--/...

### Statement

* [x] BlockStatement        {}

* [x] BreakStatement        break

* [x] ContinueStatement     continue

* [x] DoWhileStatement      do while

* [x] EmptyStatement        ;

* [x] ExpressionStatement   exp;

* [x] ForInStatement        for in

* [x] ForStatement          for 

* [x] FunctionDeclaration   function

* [x] IfStatement           if else 

* [x] LabeledStatement      label:

* [x] ReturnStatement       return 

* [x] SwitchStatement       switch

* [x] ThrowStatement        throw

* [x] TryStatement          try catch

* [x] VariableDeclaration   var let const

* [x] WhileStatement        while

* [x] WithStatement         with

### TEST

```sh

# 安装依赖

yarn

# 构建成果

yarn build

# 运行jest测试

yarn test

```

### TODO

* [ ] 递归转循环

* [ ] 效率升级

* [x] jest test262 测试用例

### dep

https://github.com/facebook/jest  

https://github.com/acornjs/acorn  

https://github.com/babel/babel  

https://262.ecma-international.org/5.1/#sec-12.1  

https://developer.mozilla.org/  

https://astexplorer.net/  

https://github.com/tc39/test262