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Commit Description:
add model solution
Commit Description:
add model solution
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node_modules/acorn/dist/bin.js
| 64 lines
| 2.2 KiB
| application/javascript
| JavascriptLexer
|
r789 | 'use strict'; | |||
var path = require('path'); | ||||
var fs = require('fs'); | ||||
var acorn = require('./acorn.js'); | ||||
var infile, forceFile, silent = false, compact = false, 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|--ecma8|--ecma9|...|--ecma2015|--ecma2016|--ecma2017|--ecma2018|...]"); | ||||
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 === "--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 { | ||||
var match = arg.match(/^--ecma(\d+)$/); | ||||
if (match) | ||||
{ options.ecmaVersion = +match[1]; } | ||||
else | ||||
{ help(1); } | ||||
} | ||||
} | ||||
function run(code) { | ||||
var result; | ||||
try { | ||||
if (!tokenize) { | ||||
result = acorn.parse(code, options); | ||||
} else { | ||||
result = []; | ||||
var tokenizer = acorn.tokenizer(code, options), token; | ||||
do { | ||||
token = tokenizer.getToken(); | ||||
result.push(token); | ||||
} while (token.type !== acorn.tokTypes.eof) | ||||
} | ||||
} catch (e) { | ||||
console.error(infile && infile !== "-" ? e.message.replace(/\(\d+:\d+\)$/, function (m) { return m.slice(0, 1) + infile + " " + m.slice(1); }) : e.message); | ||||
process.exit(1); | ||||
} | ||||
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); }); | ||||
} | ||||