Press n or j to go to the next uncovered block, b, p or k for the previous block.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 | 1x 1x 1x | import React from 'react'; import {ASTNode} from '../../ast'; import Node from '../../components/Node'; export class Conditional extends ASTNode { constructor(from, to, condStatement, thenStatement, elseStatement, options={}) { super(from, to, 'conditional', options); this.condStatement = condStatement; this.thenStatement = thenStatement; this.elseStatement = elseStatement; } *[Symbol.iterator]() { yield this; for (let node of this.condStatement) { yield node; } for (let node of this.thenStatement) { yield node; } if (this.elseStatement) { for (let node of this.elseStatement) { yield node; } } } toString() { if (!this.elseStatement) { return `if (${this.condStatement}) { ${this.thenStatement.join(' ')} }`; } return `if (${this.condStatement}) { ${this.thenStatement.join(' ')} } else { ${this.body} })`; } } //TODO: add a toString() method export class Assignment extends ASTNode { constructor(from, to, operator, left, right, options={}) { super(from, to, 'assignment', options); this.operator = operator; this.left = left; this.right = right; } *[Symbol.iterator]() { yield this; for (let node of this.left) { yield node; } for (let node of this.right) { yield node; } } } //TODO: add a toString() method //is it possible to merge this somehow with assign class? Almost identical with it export class Binary extends ASTNode { constructor(from, to, operator, left, right, options={}) { super(from, to, 'binary', options); this.operator = operator; this.left = left; this.right = right; } *[Symbol.iterator]() { yield this; for (let node of this.left) { yield node; } for (let node of this.right) { yield node; } } } //TODO: add a toString() method //use struct toString method as template for this toString() method? export class Prog extends ASTNode { constructor(from, to, prog, options={}) { super(from, to, 'prog', options); this.prog = prog; } *[Symbol.iterator]() { yield this; for (let node of this.prog) { yield node; } } render(props) { return ( <Node node={this} {...props}> <h4>Your Lambda Program</h4> {this.prog.map((node, index) => ( <span key={index}> {node.reactElement()} </span> ))} </Node> ); } } //TODO: add a toString() method export class Let extends ASTNode { constructor(from, to, vars, body, options={}) { super(from, to, 'let', options); this.vars = vars; this.body = body; } *[Symbol.iterator]() { yield this; for (let node of this.vars) { yield node; } //why does body not need a for loop to be iterated over yield this.body; } } |