From a89d23331802cabb690ac817a5a7c93144a4f9c9 Mon Sep 17 00:00:00 2001
From: Mihai Bazon <mihai@bazon.net>
Date: Mon, 2 Sep 2013 09:55:34 +0300
Subject: [PATCH] Better reporting of parse errors

---
 bin/uglifyjs | 20 +++++++++++++++-----
 1 file changed, 15 insertions(+), 5 deletions(-)

diff --git a/bin/uglifyjs b/bin/uglifyjs
index 7a4f6224..90b71a20 100755
--- a/bin/uglifyjs
+++ b/bin/uglifyjs
@@ -257,11 +257,21 @@ async.eachLimit(files, 1, function (file, cb) {
                 });
             }
             else {
-                TOPLEVEL = UglifyJS.parse(code, {
-                    filename   : file,
-                    toplevel   : TOPLEVEL,
-                    expression : ARGS.expr,
-                });
+                try {
+                    TOPLEVEL = UglifyJS.parse(code, {
+                        filename   : file,
+                        toplevel   : TOPLEVEL,
+                        expression : ARGS.expr,
+                    });
+                } catch(ex) {
+                    if (ex instanceof UglifyJS.JS_Parse_Error) {
+                        sys.error("Parse error at " + file + ":" + ex.line + "," + ex.col);
+                        sys.error(ex.message);
+                        sys.error(ex.stack);
+                        process.exit(1);
+                    }
+                    throw ex;
+                }
             };
         });
         cb();
-- 
2.34.1