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ast_study

AST 结构在线解析

https://astexplorer.net/

AST 参考文章

https://evilrecluse.top/post/7389a59f/

AST 常用节点类型对照表

序号 类型原名称 中文名称 描述
1 Program 程序主体 整段代码的主体
2 VariableDeclaration 变量声明 声明一个变量,例如 var let const
3 FunctionDeclaration 函数声明 声明一个函数,例如 function
4 ExpressionStatement 表达式语句 通常是调用一个函数,例如 console.log()
5 BlockStatement 块语句 包裹在 {} 块内的代码,例如 if (condition){var a = 1;}
6 BreakStatement 中断语句 通常指 break
7 ContinueStatement 持续语句 通常指 continue
8 ReturnStatement 返回语句 通常指 return
9 SwitchStatement Switch 语句 通常指 Switch Case 语句中的 Switch
10 IfStatement If 控制流语句 控制流语句,通常指 if(condition){}else{}
11 Identifier 标识符 标识,例如声明变量时 var identi = 5 中的 identi
12 CallExpression 调用表达式 通常指调用一个函数,例如 console.log()
13 BinaryExpression 二进制表达式 通常指运算,例如 1+2
14 MemberExpression 成员表达式 通常指调用对象的成员,例如 console 对象的 log 成员
15 ArrayExpression 数组表达式 通常指一个数组,例如 [1, 3, 5]
16 NewExpression New 表达式 通常指使用 New 关键词
17 AssignmentExpression 赋值表达式 通常指将函数的返回值赋值给变量
18 UpdateExpression 更新表达式 通常指更新成员值,例如 i++
19 Literal 字面量 字面量
20 BooleanLiteral 布尔型字面量 布尔值,例如 true false
21 NumericLiteral 数字型字面量 数字,例如 100
22 StringLiteral 字符型字面量 字符串,例如 vansenb
23 SwitchCase Case 语句 通常指 Switch 语句中的 Case

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