Make a marker interface to allow ScriptDependenciesClassFilter to be used in the resolving

compiler/frontend.java/src/org/jetbrains/kotlin/resolve/jvm/KotlinJavaPsiFacade.java

@@ -172,7 +172,8 @@ public class KotlinJavaPsiFacade {
                 getProject().getExtensions(PsiElementFinder.EP_NAME), new Function1<PsiElementFinder, Boolean>() {
                     @Override
                     public Boolean invoke(PsiElementFinder finder) {
-                        return !(finder instanceof NonClasspathClassFinder || finder instanceof KotlinFinderMarker || finder instanceof PsiElementFinderImpl);
+                        return (finder instanceof KotlinSafeClassFinder) ||
+                               !(finder instanceof NonClasspathClassFinder || finder instanceof KotlinFinderMarker || finder instanceof PsiElementFinderImpl);
                     }
                 });
 

compiler/frontend.java/src/org/jetbrains/kotlin/resolve/jvm/KotlinSafeClassFinder.kt

@@ -0,0 +1,19 @@
+/*
+ * Copyright 2010-2016 JetBrains s.r.o.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.jetbrains.kotlin.resolve.jvm
+
+interface KotlinSafeClassFinder

idea/idea-analysis/src/org/jetbrains/kotlin/idea/script/KotlinScriptDependenciesClassFinder.kt

@@ -27,11 +27,12 @@ import com.intellij.psi.search.GlobalSearchScope
 import com.intellij.util.containers.ConcurrentFactoryMap
 import org.jetbrains.kotlin.idea.caches.resolve.CustomizedScriptModuleSearchScope
 import org.jetbrains.kotlin.load.java.JavaClassFinderImpl
+import org.jetbrains.kotlin.resolve.jvm.KotlinSafeClassFinder
 
 @Suppress("unused") // project extension
 class KotlinScriptDependenciesClassFinder(project: Project,
                                          private val kotlinScriptConfigurationManager: KotlinScriptConfigurationManager
-) : NonClasspathClassFinder(project) {
+) : NonClasspathClassFinder(project), KotlinSafeClassFinder {
 
     private val myCaches = object : ConcurrentFactoryMap<VirtualFile, PackageDirectoryCache>() {
         override fun create(file: VirtualFile): PackageDirectoryCache? {