yzhanjsinterpreter
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A JavaScript Interpreter Using JS itself. JavaScript 解释器，包含词法分析、语法解析和执行
7 lines (6 loc) • 521 B
JavaScript
const { lex } = require('../../src/index')
describe('Test LR Parser', () => {
test('let a = null + 1 + "str"', () => {
expect(JSON.stringify(lex('let a = null + 1 + "str"'))).toEqual(JSON.stringify([{"type": "let", "value": "let"}, {"type": "Identifier", "value": "a"}, {"type": "=", "value": "="}, {"type": "NulLiteral", "value": "null"}, {"type": "+", "value": "+"}, {"type": "NumbericLiteral", "value": "1"}, {"type": "+", "value": "+"}, {"type": "StringLiteral", "value": "\"str\""}, {"type": "EOF"}]))
})
})