Add null pointer check code to WebView binding

Change-Id: Id71d0f2578b39b203267033cc683278cc93356e6
Signed-off-by: Jiyun Yang <ji.yang@samsung.com>

diff --git a/dali-csharp-binder/src/dali_wrap.cpp b/dali-csharp-binder/src/dali_wrap.cpp
index d64274c..1b4b8de 100755 (executable)
--- a/dali-csharp-binder/src/dali_wrap.cpp
+++ b/dali-csharp-binder/src/dali_wrap.cpp
@@ -103471,13 +103471,16 @@ SWIGEXPORT void SWIGSTDCALL CSharp_Dali_WebView_EvaluateJavaScript(void * jarg1,
   std::string jarg2_str = std::string(jarg2);
   arg2 = &jarg2_str;
 
-  void (*handler)(char*) = (void (*)(char*)) jarg3;
-
   {
     try {
-      (arg1)->EvaluateJavaScript((std::string const &)*arg2, [handler](const std::string& result) {
-        handler(SWIG_csharp_string_callback(result.c_str()));
-      });
+      if (jarg3) {
+        void (*handler)(char*) = (void (*)(char*)) jarg3;
+        (arg1)->EvaluateJavaScript((std::string const &)*arg2, [handler](const std::string& result) {
+          handler(SWIG_csharp_string_callback(result.c_str()));
+        });
+      } else {
+        (arg1)->EvaluateJavaScript((std::string const &)*arg2);
+      }
     } catch (std::out_of_range& e) {
       {
         SWIG_CSharpException(SWIG_IndexError, const_cast<char*>(e.what())); return ;