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#!/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); })
}
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