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Imported from the tarball published on npm (https://registry.npmjs.org/acorn/-/acorn-5.7.2.tgz). Update to emcaScript version 10 in order to get support for binding-less catch statements. Also needed to parse node.js lib API in #22405. PR-URL: #22488 Reviewed-By: Refael Ackermann <[email protected]> Reviewed-By: Ruben Bridgewater <[email protected]> Reviewed-By: John-David Dalton <[email protected]> Reviewed-By: Tiancheng "Timothy" Gu <[email protected]> Reviewed-By: Bryan English <[email protected]> Reviewed-By: Trivikram Kamat <[email protected]>
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,69 @@ | ||
| #!/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|--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$$1 = acorn.tokenizer(code, options), token; | ||
| do { | ||
| token = tokenizer$$1.getToken(); | ||
| result.push(token); | ||
| } while (token.type !== acorn.tokTypes.eof) | ||
| } | ||
| } catch (e) { | ||
| console.error(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); }); | ||
| } |
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