Using XML instead of module scripts when running from IDE

ide-compiler-runner/src/org/jetbrains/jet/compiler/runner/KotlinModuleDescriptionGenerator.java

@@ -32,6 +32,8 @@ public interface KotlinModuleDescriptionGenerator {
             Set<File> directoriesToFilterOut
     );
 
+    String getFileExtension();
+
     interface DependencyProvider {
         void processClassPath(@NotNull DependencyProcessor processor);
     }

ide-compiler-runner/src/org/jetbrains/jet/compiler/runner/KotlinModuleScriptGenerator.java

@@ -85,4 +85,9 @@ public class KotlinModuleScriptGenerator implements KotlinModuleDescriptionGener
         script.append("}\n");
         return script;
     }
+
+    @Override
+    public String getFileExtension() {
+        return "kts";
+    }
 }

ide-compiler-runner/src/org/jetbrains/jet/compiler/runner/KotlinModuleXmlGenerator.java

@@ -100,6 +100,11 @@ public class KotlinModuleXmlGenerator implements KotlinModuleDescriptionGenerato
         return xml;
     }
 
+    @Override
+    public String getFileExtension() {
+        return "xml";
+    }
+
     private static void openTag(Printer p, String tag) {
         p.println("<" + tag + ">");
         p.pushIndent();