From 437ce2d9bee35bcccfcf9912040a418f8125fbea Mon Sep 17 00:00:00 2001
From: Marijn Haverbeke <marijnh@gmail.com>
Date: Tue, 21 Oct 2014 12:35:06 +0200
Subject: [PATCH] [loose parser] Ignore shebang lines

Closes marijnh/tern#408
---
 acorn_loose.js | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/acorn_loose.js b/acorn_loose.js
index d94fb46c64..09fbf210fe 100644
--- a/acorn_loose.js
+++ b/acorn_loose.js
@@ -43,9 +43,11 @@
   exports.parse_dammit = function(inpt, opts) {
     if (!opts) opts = {};
     input = String(inpt);
+    if (/^#!.*/.test(input)) input = "//" + input.slice(2);
+
     options = opts;
     if (!opts.tabSize) opts.tabSize = 4;
-    fetchToken = acorn.tokenize(inpt, opts);
+    fetchToken = acorn.tokenize(input, opts);
     sourceFile = options.sourceFile || null;
     context = [];
     nextLineStart = 0;