Stub for annotations

compiler/frontend/src/org/jetbrains/jet/JetNodeTypes.java

@@ -57,7 +57,7 @@ public interface JetNodeTypes {
     JetNodeType MODIFIER_LIST                       = new JetNodeType("MODIFIER_LIST", JetModifierList.class);
     JetNodeType PRIMARY_CONSTRUCTOR_MODIFIER_LIST   = new JetNodeType("PRIMARY_CONSTRUCTOR_MODIFIER_LIST", JetModifierList.class);
     JetNodeType ANNOTATION = new JetNodeType("ANNOTATION", JetAnnotation.class);
-    JetNodeType ANNOTATION_ENTRY = new JetNodeType("ANNOTATION_ENTRY", JetAnnotationEntry.class);
+    IElementType ANNOTATION_ENTRY = JetStubElementTypes.ANNOTATION_ENTRY;
 
     JetNodeType TYPE_ARGUMENT_LIST                  = new JetNodeType("TYPE_ARGUMENT_LIST", JetTypeArgumentList.class);
     JetNodeType VALUE_ARGUMENT_LIST                 = new JetNodeType("VALUE_ARGUMENT_LIST", JetValueArgumentList.class);

compiler/frontend/src/org/jetbrains/jet/lang/psi/JetAnnotationEntry.java

@@ -17,9 +17,12 @@
 package org.jetbrains.jet.lang.psi;
 
 import com.intellij.lang.ASTNode;
+import com.intellij.psi.stubs.IStubElementType;
 import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
 import org.jetbrains.jet.JetNodeTypes;
+import org.jetbrains.jet.lang.psi.stubs.PsiJetAnnotationStub;
+import org.jetbrains.jet.lang.psi.stubs.elements.JetStubElementTypes;
 
 import java.util.Collections;
 import java.util.List;
@@ -27,11 +30,21 @@ import java.util.List;
 /**
  * @author max
  */
-public class JetAnnotationEntry extends JetElementImpl implements JetCallElement {
+public class JetAnnotationEntry extends JetElementImplStub<PsiJetAnnotationStub> implements JetCallElement {
     public JetAnnotationEntry(@NotNull ASTNode node) {
         super(node);
     }
 
+    @NotNull
+    @Override
+    public IStubElementType getElementType() {
+        return JetStubElementTypes.ANNOTATION_ENTRY;
+    }
+
+    public JetAnnotationEntry(@NotNull PsiJetAnnotationStub stub) {
+        super(stub, JetStubElementTypes.ANNOTATION_ENTRY);
+    }
+
     @Override
     public void accept(@NotNull JetVisitorVoid visitor) {
         visitor.visitAnnotationEntry(this);

compiler/frontend/src/org/jetbrains/jet/lang/psi/stubs/PsiJetAnnotationStub.java

@@ -0,0 +1,24 @@
+/*
+ * Copyright 2010-2012 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.jet.lang.psi.stubs;
+
+import com.intellij.psi.stubs.StubElement;
+import org.jetbrains.jet.lang.psi.JetAnnotationEntry;
+
+public interface PsiJetAnnotationStub extends StubElement<JetAnnotationEntry> {
+     String getText();
+}

compiler/frontend/src/org/jetbrains/jet/lang/psi/stubs/elements/JetAnnotationElementType.java

@@ -0,0 +1,69 @@
+/*
+ * Copyright 2010-2012 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.jet.lang.psi.stubs.elements;
+
+import com.intellij.lang.ASTNode;
+import com.intellij.psi.stubs.IndexSink;
+import com.intellij.psi.stubs.StubElement;
+import com.intellij.psi.stubs.StubInputStream;
+import com.intellij.psi.stubs.StubOutputStream;
+import com.intellij.util.io.StringRef;
+import org.jetbrains.annotations.NonNls;
+import org.jetbrains.annotations.NotNull;
+import org.jetbrains.jet.lang.psi.JetAnnotationEntry;
+import org.jetbrains.jet.lang.psi.stubs.PsiJetAnnotationStub;
+import org.jetbrains.jet.lang.psi.stubs.impl.PsiJetAnnotationStubImpl;
+
+import java.io.IOException;
+
+public class JetAnnotationElementType extends JetStubElementType<PsiJetAnnotationStub, JetAnnotationEntry> {
+
+    public JetAnnotationElementType(@NotNull @NonNls String debugName) {
+        super(debugName);
+    }
+
+    @Override
+    public JetAnnotationEntry createPsiFromAst(@NotNull ASTNode node) {
+        return new JetAnnotationEntry(node);
+    }
+
+    @Override
+    public JetAnnotationEntry createPsi(@NotNull PsiJetAnnotationStub stub) {
+        return new JetAnnotationEntry(stub);
+    }
+
+    @Override
+    public PsiJetAnnotationStub createStub(@NotNull JetAnnotationEntry psi, StubElement parentStub) {
+        return new PsiJetAnnotationStubImpl(parentStub, JetStubElementTypes.ANNOTATION_ENTRY, psi.getText());
+    }
+
+    @Override
+    public void serialize(PsiJetAnnotationStub stub, StubOutputStream dataStream) throws IOException {
+        dataStream.writeName(stub.getText());
+    }
+
+    @Override
+    public PsiJetAnnotationStub deserialize(StubInputStream dataStream, StubElement parentStub) throws IOException {
+        StringRef text = dataStream.readName();
+        return new PsiJetAnnotationStubImpl(parentStub, JetStubElementTypes.ANNOTATION_ENTRY, text);
+    }
+
+    @Override
+    public void indexStub(PsiJetAnnotationStub stub, IndexSink sink) {
+        StubIndexServiceFactory.getInstance().indexAnnotation(stub, sink);
+    }
+}

compiler/frontend/src/org/jetbrains/jet/lang/psi/stubs/elements/JetStubElementTypes.java

@@ -33,4 +33,5 @@ public interface JetStubElementTypes {
 
     JetTypeParameterElementType TYPE_PARAMETER = new JetTypeParameterElementType("TYPE_PARAMETER");
     JetTypeParameterListElementType TYPE_PARAMETER_LIST = new JetTypeParameterListElementType("TYPE_PARAMETER_LIST");
+    JetAnnotationElementType ANNOTATION_ENTRY = new JetAnnotationElementType("ANNOTATION_ENTRY");
 }

compiler/frontend/src/org/jetbrains/jet/lang/psi/stubs/elements/StubIndexService.java

@@ -17,10 +17,7 @@
 package org.jetbrains.jet.lang.psi.stubs.elements;
 
 import com.intellij.psi.stubs.IndexSink;
-import org.jetbrains.jet.lang.psi.stubs.PsiJetClassStub;
+import org.jetbrains.jet.lang.psi.stubs.*;
-import org.jetbrains.jet.lang.psi.stubs.PsiJetFunctionStub;
-import org.jetbrains.jet.lang.psi.stubs.PsiJetObjectStub;
-import org.jetbrains.jet.lang.psi.stubs.PsiJetPropertyStub;
 
 /**
  * @author Nikolay Krasko
@@ -46,10 +43,15 @@ public interface StubIndexService {
         @Override
         public void indexProperty(PsiJetPropertyStub stub, IndexSink sink) {
         }
+
+        @Override
+        public void indexAnnotation(PsiJetAnnotationStub stub, IndexSink sink) {
+        }
     };
 
     void indexClass(PsiJetClassStub stub, IndexSink sink);
     void indexFunction(PsiJetFunctionStub stub, IndexSink sink);
     void indexObject(PsiJetObjectStub stub, IndexSink sink);
     void indexProperty(PsiJetPropertyStub stub, IndexSink sink);
+    void indexAnnotation(PsiJetAnnotationStub stub, IndexSink sink);
 }

compiler/frontend/src/org/jetbrains/jet/lang/psi/stubs/impl/PsiJetAnnotationStubImpl.java

@@ -0,0 +1,51 @@
+/*
+ * Copyright 2010-2012 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.jet.lang.psi.stubs.impl;
+
+import com.intellij.psi.stubs.IStubElementType;
+import com.intellij.psi.stubs.StubBase;
+import com.intellij.psi.stubs.StubElement;
+import com.intellij.util.io.StringRef;
+import org.jetbrains.jet.lang.psi.JetAnnotationEntry;
+import org.jetbrains.jet.lang.psi.stubs.PsiJetAnnotationStub;
+
+public class PsiJetAnnotationStubImpl extends StubBase<JetAnnotationEntry> implements PsiJetAnnotationStub  {
+    private final StringRef text;
+
+    public PsiJetAnnotationStubImpl(StubElement parent, IStubElementType elementType, String text) {
+        this(parent, elementType, StringRef.fromString(text));
+    }
+
+    public PsiJetAnnotationStubImpl(StubElement parent, IStubElementType elementType, StringRef text) {
+        super(parent, elementType);
+        this.text = text;
+    }
+
+    @Override
+    public String getText() {
+        return text.getString();
+    }
+
+    @Override
+    public String toString() {
+        StringBuilder builder = new StringBuilder();
+        builder.append("PsiJetAnnotationStubImpl[");
+        builder.append("text=").append(getText());
+        builder.append("]");
+        return builder.toString();
+    }
+}

idea/src/META-INF/plugin.xml

@@ -203,6 +203,7 @@
       <stubIndex implementation="org.jetbrains.jet.plugin.stubindex.JetSuperClassIndex"/>
       <stubIndex implementation="org.jetbrains.jet.plugin.stubindex.JetTopLevelFunctionsFqnNameIndex" />
       <stubIndex implementation="org.jetbrains.jet.plugin.stubindex.JetTopLevelPropertiesFqnNameIndex" />
+      <stubIndex implementation="org.jetbrains.jet.plugin.stubindex.JetAnnotationsIndex" />
 
       <contentBasedClassFileProcessor implementation="org.jetbrains.jet.plugin.libraries.JetContentBasedFileSubstitutor" />
       <psi.clsCustomNavigationPolicy implementation="org.jetbrains.jet.plugin.libraries.JetClsNavigationPolicy" />

idea/src/org/jetbrains/jet/plugin/stubindex/JetAnnotationsIndex.java

@@ -0,0 +1,45 @@
+/*
+ * Copyright 2010-2012 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.jet.plugin.stubindex;
+
+import com.intellij.openapi.project.Project;
+import com.intellij.psi.search.GlobalSearchScope;
+import com.intellij.psi.stubs.StringStubIndexExtension;
+import com.intellij.psi.stubs.StubIndexKey;
+import org.jetbrains.annotations.NotNull;
+import org.jetbrains.jet.lang.psi.JetAnnotationEntry;
+
+import java.util.Collection;
+
+public class JetAnnotationsIndex extends StringStubIndexExtension<JetAnnotationEntry> {
+    private static final JetAnnotationsIndex ourInstance = new JetAnnotationsIndex();
+
+    public static JetAnnotationsIndex getInstance() {
+        return ourInstance;
+    }
+
+    @NotNull
+    @Override
+    public StubIndexKey<String, JetAnnotationEntry> getKey() {
+        return JetIndexKeys.ANNOTATIONS_KEY;
+    }
+
+    @Override
+    public Collection<JetAnnotationEntry> get(final String s, final Project project, @NotNull final GlobalSearchScope scope) {
+        return super.get(s, project, new JetSourceFilterScope(scope));
+    }
+}

idea/src/org/jetbrains/jet/plugin/stubindex/JetIndexKeys.java

@@ -17,6 +17,7 @@
 package org.jetbrains.jet.plugin.stubindex;
 
 import com.intellij.psi.stubs.StubIndexKey;
+import org.jetbrains.jet.lang.psi.JetAnnotationEntry;
 import org.jetbrains.jet.lang.psi.JetClassOrObject;
 import org.jetbrains.jet.lang.psi.JetNamedFunction;
 import org.jetbrains.jet.lang.psi.JetProperty;
@@ -43,5 +44,7 @@ public interface JetIndexKeys {
             StubIndexKey.createIndexKey("jet.top.level.property.fqn.name");
 
     StubIndexKey<String, JetNamedFunction> FUNCTIONS_SHORT_NAME_KEY = StubIndexKey.createIndexKey("jet.functions.short.name");
+
+    StubIndexKey<String, JetAnnotationEntry> ANNOTATIONS_KEY = StubIndexKey.createIndexKey("jet.annotations");
 }
 

idea/src/org/jetbrains/jet/plugin/stubindex/StubIndexServiceImpl.java

@@ -17,10 +17,7 @@
 package org.jetbrains.jet.plugin.stubindex;
 
 import com.intellij.psi.stubs.IndexSink;
-import org.jetbrains.jet.lang.psi.stubs.PsiJetClassStub;
+import org.jetbrains.jet.lang.psi.stubs.*;
-import org.jetbrains.jet.lang.psi.stubs.PsiJetFunctionStub;
-import org.jetbrains.jet.lang.psi.stubs.PsiJetObjectStub;
-import org.jetbrains.jet.lang.psi.stubs.PsiJetPropertyStub;
 import org.jetbrains.jet.lang.psi.stubs.elements.StubIndexService;
 import org.jetbrains.jet.lang.resolve.name.FqName;
 
@@ -91,4 +88,9 @@ public class StubIndexServiceImpl implements StubIndexService {
             }
         }
     }
+
+    @Override
+    public void indexAnnotation(PsiJetAnnotationStub stub, IndexSink sink) {
+        sink.occurrence(JetIndexKeys.ANNOTATIONS_KEY, stub.getText());
+    }
 }

idea/tests/org/jetbrains/jet/plugin/stubs/JetStubsTest.java

@@ -164,6 +164,29 @@ public class JetStubsTest extends LightCodeInsightFixtureTestCase {
                     "  OBJECT_DECLARATION:PsiJetObjectStubImpl[name=Test fqName=Test]\n");
     }
 
+    public void testAnnotationOnClass() {
+        doBuildTest("Deprecated class Test {}",
+                    "PsiJetFileStubImpl[package=]\n" +
+                    "  CLASS:PsiJetClassStubImpl[name=Test fqn=Test superNames=[]]\n" +
+                    "    ANNOTATION_ENTRY:PsiJetAnnotationStubImpl[text=Deprecated]\n" +
+                    "    TYPE_PARAMETER_LIST:PsiJetTypeParameterListStubImpl\n");
+    }
+
+    public void testAnnotationOnFunction() {
+        doBuildTest("Deprecated fun foo() {}",
+                    "PsiJetFileStubImpl[package=]\n" +
+                    "  FUN:PsiJetFunctionStubImpl[top topFQName=foo name=foo]\n" +
+                    "    ANNOTATION_ENTRY:PsiJetAnnotationStubImpl[text=Deprecated]\n" +
+                    "    VALUE_PARAMETER_LIST:PsiJetParameterListStubImpl\n");
+    }
+
+    public void testAnnotationOnLocalFunction() {
+        doBuildTest("fun foo() { [Deprecated] fun innerFoo() {} }",
+                    "PsiJetFileStubImpl[package=]\n" +
+                    "  FUN:PsiJetFunctionStubImpl[top topFQName=foo name=foo]\n" +
+                    "    VALUE_PARAMETER_LIST:PsiJetParameterListStubImpl\n");
+    }
+
     private void doBuildTest(@NonNls final String source, @NonNls @NotNull final String tree) {
         final JetFile file = (JetFile) createLightFile(JetFileType.INSTANCE, source);
         final FileASTNode fileNode = file.getNode();