[nullsafe][android] stop the analysis if there is no source file to analyze

Reviewed By: mbouaziz

Differential Revision: D13509512

fbshipit-source-id: 565a27eef

infer/src/java/jMain.ml

@@ -134,13 +134,11 @@ let main load_sources_and_classes =
   let classpath, sources, classes =
     match load_sources_and_classes with
     | `FromVerboseOut verbose_out_file ->
-        let classpath, sources, classes = JClasspath.load_from_verbose_output verbose_out_file in
-        if String.Map.is_empty sources then
-          L.(die InternalError) "Failed to load any Java source code"
-        else (classpath, sources, classes)
+        JClasspath.load_from_verbose_output verbose_out_file
     | `FromArguments path ->
         JClasspath.load_from_arguments path
   in
+  if String.Map.is_empty sources then L.(die InternalError) "Failed to load any Java source code" ;
   do_all_files classpath sources classes