001    /*
002     * Copyright 2010-2013 JetBrains s.r.o.
003     *
004     * Licensed under the Apache License, Version 2.0 (the "License");
005     * you may not use this file except in compliance with the License.
006     * You may obtain a copy of the License at
007     *
008     * http://www.apache.org/licenses/LICENSE-2.0
009     *
010     * Unless required by applicable law or agreed to in writing, software
011     * distributed under the License is distributed on an "AS IS" BASIS,
012     * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013     * See the License for the specific language governing permissions and
014     * limitations under the License.
015     */
016    
017    package org.jetbrains.jet.lang.psi.stubs.elements;
018    
019    import com.intellij.lang.ASTNode;
020    import com.intellij.psi.PsiElement;
021    import com.intellij.psi.stubs.IndexSink;
022    import com.intellij.psi.stubs.StubElement;
023    import com.intellij.psi.stubs.StubInputStream;
024    import com.intellij.psi.stubs.StubOutputStream;
025    import com.intellij.util.io.StringRef;
026    import org.jetbrains.annotations.NonNls;
027    import org.jetbrains.annotations.NotNull;
028    import org.jetbrains.jet.lang.psi.JetExpression;
029    import org.jetbrains.jet.lang.psi.JetProperty;
030    import org.jetbrains.jet.lang.psi.JetTypeReference;
031    import org.jetbrains.jet.lang.psi.stubs.PsiJetPropertyStub;
032    import org.jetbrains.jet.lang.psi.stubs.impl.PsiJetPropertyStubImpl;
033    import org.jetbrains.jet.lang.resolve.lazy.ResolveSessionUtils;
034    import org.jetbrains.jet.lang.resolve.name.FqName;
035    
036    import java.io.IOException;
037    
038    public class JetPropertyElementType extends JetStubElementType<PsiJetPropertyStub, JetProperty> {
039        public JetPropertyElementType(@NotNull @NonNls String debugName) {
040            super(debugName);
041        }
042    
043        @Override
044        public JetProperty createPsiFromAst(@NotNull ASTNode node) {
045            return new JetProperty(node);
046        }
047    
048        @Override
049        public JetProperty createPsi(@NotNull PsiJetPropertyStub stub) {
050            return new JetProperty(stub);
051        }
052    
053        @Override
054        public boolean shouldCreateStub(ASTNode node) {
055            if (super.shouldCreateStub(node)) {
056                PsiElement psi = node.getPsi();
057                return psi instanceof JetProperty;
058            }
059    
060            return false;
061        }
062    
063        @Override
064        public PsiJetPropertyStub createStub(@NotNull JetProperty psi, StubElement parentStub) {
065            JetTypeReference typeRef = psi.getTypeRef();
066            JetExpression expression = psi.getInitializer();
067    
068            assert !psi.isLocal() :
069                    String.format("Should not store local property: %s, parent %s",
070                                  psi.getText(), psi.getParent() != null ? psi.getParent().getText() : "<no parent>");
071    
072            return new PsiJetPropertyStubImpl(parentStub,
073                psi.getName(), psi.isVar(), psi.isTopLevel(), ResolveSessionUtils.safeFqNameForLazyResolve(psi),
074                typeRef != null ? typeRef.getText() : null,
075                expression != null ? expression.getText() : null);
076        }
077    
078        @Override
079        public void serialize(@NotNull PsiJetPropertyStub stub, @NotNull StubOutputStream dataStream) throws IOException {
080            dataStream.writeName(stub.getName());
081            dataStream.writeBoolean(stub.isVar());
082            dataStream.writeBoolean(stub.isTopLevel());
083    
084            FqName fqName = stub.getFqName();
085            dataStream.writeName(fqName != null ? fqName.asString() : null);
086    
087            dataStream.writeName(stub.getTypeText());
088            dataStream.writeName(stub.getInferenceBodyText());
089        }
090    
091        @NotNull
092        @Override
093        public PsiJetPropertyStub deserialize(@NotNull StubInputStream dataStream, StubElement parentStub) throws IOException {
094            StringRef name = dataStream.readName();
095            boolean isVar = dataStream.readBoolean();
096            boolean isTopLevel = dataStream.readBoolean();
097    
098            StringRef fqNameAsString = dataStream.readName();
099            FqName fqName = fqNameAsString != null ? new FqName(fqNameAsString.toString()) : null;
100    
101            StringRef typeText = dataStream.readName();
102            StringRef inferenceBodyText = dataStream.readName();
103    
104            return new PsiJetPropertyStubImpl(parentStub,
105                                              name, isVar, isTopLevel, fqName, typeText, inferenceBodyText);
106        }
107    
108        @Override
109        public void indexStub(@NotNull PsiJetPropertyStub stub, @NotNull IndexSink sink) {
110            StubIndexServiceFactory.getInstance().indexProperty(stub, sink);
111        }
112    }