[groovy] console: resolve to bundled Groovy classes if Groovy not present in module and its dependencies

plugins/groovy/src/META-INF/plugin.xml

@@ -576,6 +576,7 @@
 
     <java.elementFinder implementation="org.jetbrains.plugins.groovy.lang.psi.impl.javaView.GroovyClassFinder"/>
     <java.elementFinder implementation="org.jetbrains.plugins.groovy.gant.GantClassFinder"/>
+    <java.elementFinder implementation="org.jetbrains.plugins.groovy.console.GroovyBundledClassFinder"/>
     <java.shortNamesCache implementation="org.jetbrains.plugins.groovy.lang.stubs.GroovyShortNamesCache"/>
 
     <projectService

plugins/groovy/src/org/jetbrains/plugins/groovy/console/GroovyBundledClassFinder.java

@@ -0,0 +1,51 @@
+/*
+ * Copyright 2000-2016 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.plugins.groovy.console;
+
+import com.intellij.openapi.project.Project;
+import com.intellij.openapi.vfs.LocalFileSystem;
+import com.intellij.openapi.vfs.StandardFileSystems;
+import com.intellij.openapi.vfs.VirtualFile;
+import com.intellij.psi.NonClasspathClassFinder;
+import org.jetbrains.annotations.NotNull;
+import org.jetbrains.plugins.groovy.config.GroovyFacetUtil;
+
+import java.util.Collections;
+import java.util.List;
+
+public class GroovyBundledClassFinder extends NonClasspathClassFinder {
+
+  public GroovyBundledClassFinder(Project project) {
+    super(project);
+  }
+
+  @Override
+  protected List<VirtualFile> calcClassRoots() {
+    return getBundledGroovyJarRoots();
+  }
+
+  @NotNull
+  public static List<VirtualFile> getBundledGroovyJarRoots() {
+    final VirtualFile bundledJar = LocalFileSystem.getInstance().findFileByIoFile(GroovyFacetUtil.getBundledGroovyJar());
+    if (bundledJar != null) {
+      final VirtualFile root = StandardFileSystems.getJarRootForLocalFile(bundledJar);
+      if (root != null) {
+        return Collections.singletonList(root);
+      }
+    }
+    return Collections.emptyList();
+  }
+}

plugins/groovy/src/org/jetbrains/plugins/groovy/console/GroovyConsoleResolveScopeProvider.java

@@ -20,9 +20,12 @@ import com.intellij.openapi.project.Project;
 import com.intellij.openapi.vfs.VirtualFile;
 import com.intellij.psi.ResolveScopeProvider;
 import com.intellij.psi.search.GlobalSearchScope;
+import com.intellij.psi.search.NonClasspathDirectoriesScope;
 import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
 
+import java.util.List;
+
 public class GroovyConsoleResolveScopeProvider extends ResolveScopeProvider {
 
   @Nullable
@@ -30,6 +33,15 @@ public class GroovyConsoleResolveScopeProvider extends ResolveScopeProvider {
   public GlobalSearchScope getResolveScope(@NotNull VirtualFile file, Project project) {
     final GroovyConsoleStateService projectConsole = GroovyConsoleStateService.getInstance(project);
     final Module module = projectConsole.getSelectedModule(file);
-    return module == null || module.isDisposed() ? null : GlobalSearchScope.moduleWithDependenciesAndLibrariesScope(module);
+    if (module == null || module.isDisposed()) return null;
+
+    final GlobalSearchScope moduleScope = GlobalSearchScope.moduleWithDependenciesAndLibrariesScope(module);
+    if (!GroovyConsoleUtil.hasGroovyAll(module)) {
+      final List<VirtualFile> bundledGroovyJarRoots = GroovyBundledClassFinder.getBundledGroovyJarRoots();
+      if (!bundledGroovyJarRoots.isEmpty()) {
+        return new NonClasspathDirectoriesScope(bundledGroovyJarRoots).uniteWith(moduleScope);
+      }
+    }
+    return moduleScope;
   }
 }