1
|
'use strict';
|
2
|
|
3
|
var path = require('path');
|
4
|
var fs = require('fs');
|
5
|
var acorn = require('./acorn.js');
|
6
|
|
7
|
var infile, forceFile, silent = false, compact = false, tokenize = false;
|
8
|
var options = {};
|
9
|
|
10
|
function help(status) {
|
11
|
var print = (status === 0) ? console.log : console.error;
|
12
|
print("usage: " + path.basename(process.argv[1]) + " [--ecma3|--ecma5|--ecma6|--ecma7|--ecma8|--ecma9|...|--ecma2015|--ecma2016|--ecma2017|--ecma2018|...]");
|
13
|
print(" [--tokenize] [--locations] [---allow-hash-bang] [--compact] [--silent] [--module] [--help] [--] [infile]");
|
14
|
process.exit(status);
|
15
|
}
|
16
|
|
17
|
for (var i = 2; i < process.argv.length; ++i) {
|
18
|
var arg = process.argv[i];
|
19
|
if ((arg === "-" || arg[0] !== "-") && !infile) { infile = arg; }
|
20
|
else if (arg === "--" && !infile && i + 2 === process.argv.length) { forceFile = infile = process.argv[++i]; }
|
21
|
else if (arg === "--locations") { options.locations = true; }
|
22
|
else if (arg === "--allow-hash-bang") { options.allowHashBang = true; }
|
23
|
else if (arg === "--silent") { silent = true; }
|
24
|
else if (arg === "--compact") { compact = true; }
|
25
|
else if (arg === "--help") { help(0); }
|
26
|
else if (arg === "--tokenize") { tokenize = true; }
|
27
|
else if (arg === "--module") { options.sourceType = "module"; }
|
28
|
else {
|
29
|
var match = arg.match(/^--ecma(\d+)$/);
|
30
|
if (match)
|
31
|
{ options.ecmaVersion = +match[1]; }
|
32
|
else
|
33
|
{ help(1); }
|
34
|
}
|
35
|
}
|
36
|
|
37
|
function run(code) {
|
38
|
var result;
|
39
|
try {
|
40
|
if (!tokenize) {
|
41
|
result = acorn.parse(code, options);
|
42
|
} else {
|
43
|
result = [];
|
44
|
var tokenizer = acorn.tokenizer(code, options), token;
|
45
|
do {
|
46
|
token = tokenizer.getToken();
|
47
|
result.push(token);
|
48
|
} while (token.type !== acorn.tokTypes.eof)
|
49
|
}
|
50
|
} catch (e) {
|
51
|
console.error(infile && infile !== "-" ? e.message.replace(/\(\d+:\d+\)$/, function (m) { return m.slice(0, 1) + infile + " " + m.slice(1); }) : e.message);
|
52
|
process.exit(1);
|
53
|
}
|
54
|
if (!silent) { console.log(JSON.stringify(result, null, compact ? null : 2)); }
|
55
|
}
|
56
|
|
57
|
if (forceFile || infile && infile !== "-") {
|
58
|
run(fs.readFileSync(infile, "utf8"));
|
59
|
} else {
|
60
|
var code = "";
|
61
|
process.stdin.resume();
|
62
|
process.stdin.on("data", function (chunk) { return code += chunk; });
|
63
|
process.stdin.on("end", function () { return run(code); });
|
64
|
}
|