| #!/usr/bin/env node |
| 'use strict'; |
| |
| var path = require('path'); |
| var fs = require('fs'); |
| var acorn = require('../dist/acorn.js'); |
| |
| var infile; |
| var forceFile; |
| var silent = false; |
| var compact = false; |
| var tokenize = false; |
| var options = {} |
| |
| function help(status) { |
| var print = (status == 0) ? console.log : console.error |
| print("usage: " + path.basename(process.argv[1]) + " [--ecma3|--ecma5|--ecma6|--ecma7]") |
| print(" [--tokenize] [--locations] [---allow-hash-bang] [--compact] [--silent] [--module] [--help] [--] [infile]") |
| process.exit(status) |
| } |
| |
| for (var i = 2; i < process.argv.length; ++i) { |
| var arg = process.argv[i] |
| if ((arg == "-" || arg[0] != "-") && !infile) infile = arg |
| else if (arg == "--" && !infile && i + 2 == process.argv.length) forceFile = infile = process.argv[++i] |
| else if (arg == "--ecma3") options.ecmaVersion = 3 |
| else if (arg == "--ecma5") options.ecmaVersion = 5 |
| else if (arg == "--ecma6") options.ecmaVersion = 6 |
| else if (arg == "--ecma7") options.ecmaVersion = 7 |
| else if (arg == "--locations") options.locations = true |
| else if (arg == "--allow-hash-bang") options.allowHashBang = true |
| else if (arg == "--silent") silent = true |
| else if (arg == "--compact") compact = true |
| else if (arg == "--help") help(0) |
| else if (arg == "--tokenize") tokenize = true |
| else if (arg == "--module") options.sourceType = 'module' |
| else help(1) |
| } |
| |
| function run(code) { |
| var result |
| if (!tokenize) { |
| try { result = acorn.parse(code, options) } |
| catch(e) { console.error(e.message); process.exit(1) } |
| } else { |
| result = [] |
| var tokenizer = acorn.tokenizer(code, options), token |
| while (true) { |
| try { token = tokenizer.getToken() } |
| catch(e) { console.error(e.message); process.exit(1) } |
| result.push(token) |
| if (token.type == acorn.tokTypes.eof) break |
| } |
| } |
| if (!silent) console.log(JSON.stringify(result, null, compact ? null : 2)) |
| } |
| |
| if (forceFile || infile && infile != "-") { |
| run(fs.readFileSync(infile, "utf8")) |
| } else { |
| var code = "" |
| process.stdin.resume() |
| process.stdin.on("data", function (chunk) { return code += chunk; }) |
| process.stdin.on("end", function () { return run(code); }) |
| } |