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build/node_modules/acorn/bin/acorn

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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|...|--ecma2015|--ecma2016|...]")
+  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
+  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); })
+}