JSDOC/TokenStream.vala

diff --git a/JSDOC/TokenStream.vala b/JSDOC/TokenStream.vala
index 0e2fdf1..1bcbea9 100644 (file)
--- a/JSDOC/TokenStream.vala
+++ b/JSDOC/TokenStream.vala
@@ -215,6 +215,9 @@ namespace JSDOC {
                    if (stop=="") {
                                stop = Lang.matching(start);
                        }
+                       if (stop == null || stop == "") {
+                               throw new JSDOC.TokenStreamError("balance called with invalid stop : %d",howMany);
+                       
                    
                    var depth = 0;
                    var got = [];