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| const _ = Symbol('_'); | |
| const chunk = (array, size) => array.length === 0 | |
| ? [] | |
| : [array.splice(0, size), ...chunk(array, size)]; | |
| const variables = {}; | |
| const clear = object => { | |
| for (const prop in object) delete object[prop]; | |
| return object; |
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| // Based on other parser gist | |
| const tokens = tokenize(code); | |
| const ast = parse(tokens); | |
| run(ast); |
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| const code = '(print "test" (+ 5 (- 4 2)) (print "bruh" (t "test")))'; | |
| const tokens = tokenize(code); | |
| console.log(parse(tokens)); |
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| console.log(match( | |
| [{ variable: 'x' }, 'test', ['_', 'coucou']], | |
| ['test', 'test', ['bruggh', 'coucou']] | |
| )); // true | |
| console.log(scope); // [ { name: 'x', value: 'test' } ] | |
| console.log(match( | |
| [{ variable: 'x' }, 'test', ['_', 'coucou']], | |
| ['test', 'test', ['bruggh', 'coucou']] |
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| const operators = [ | |
| { | |
| op: '!', | |
| precedence: 5, | |
| associativity: 'left', | |
| function: (a) => { | |
| let acc = 1; | |
| for (let i = 1; i < a + 1; i++) acc *= i; | |
| return acc; | |
| } |
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| const simpleGit = require('simple-git/promise'); | |
| const path = require('path'); | |
| const fs = require('fs/promises'); | |
| const git = new simpleGit(); | |
| const capitalize = (str) => str[0].toUpperCase() + str.slice(1); | |
| function parseProjectName(str) { | |
| const formatted = str | |
| .toLowerCase() | |
| .replace(/-/g, ' '); |
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| const tokens: Tokens = [ | |
| { | |
| token: Token.Word, | |
| value: 'print' | |
| }, | |
| { | |
| token: Token.Bracket, | |
| value: '(' | |
| }, | |
| { |
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| const code: string = ` | |
| if test = "brut": | |
| print "yay" | |
| if message = "Hello": | |
| print "World" | |
| else: | |
| print "brush" | |
| set "test" | |
| else: | |
| print "hobo" |
thomasvrgn
/ parser.js
Created
September 27, 2020 12:42
Simple recursive bracket parser written in Javascript
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| const test = 'test{bruh{coucou}eheh{yollo{ebeaz}}}test'; | |
| const ast = { | |
| type: 'Program', | |
| body: [], | |
| }; | |
| let string = ''; | |
| function parse(chars, index, ast) { |