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.JetParameter;
030    import org.jetbrains.jet.lang.psi.JetTypeReference;
031    import org.jetbrains.jet.lang.psi.stubs.PsiJetParameterStub;
032    import org.jetbrains.jet.lang.psi.stubs.impl.PsiJetParameterStubImpl;
033    import org.jetbrains.jet.lang.resolve.name.FqName;
034    
035    import java.io.IOException;
036    
037    public class JetParameterElementType extends JetStubElementType<PsiJetParameterStub, JetParameter> {
038        public JetParameterElementType(@NotNull @NonNls String debugName) {
039            super(debugName);
040        }
041    
042        @Override
043        public JetParameter createPsiFromAst(@NotNull ASTNode node) {
044            return new JetParameter(node);
045        }
046    
047        @Override
048        public JetParameter createPsi(@NotNull PsiJetParameterStub stub) {
049            return new JetParameter(stub);
050        }
051    
052        @Override
053        public PsiJetParameterStub createStub(@NotNull JetParameter psi, StubElement parentStub) {
054            JetTypeReference typeReference = psi.getTypeReference();
055            JetExpression defaultValue = psi.getDefaultValue();
056    
057            return new PsiJetParameterStubImpl(parentStub, psi.getFqName(),
058                    psi.getName(), psi.isMutable(), psi.isVarArg(),
059                    typeReference != null ? typeReference.getText() : null,
060                    defaultValue != null ? defaultValue.getText() : null);
061        }
062    
063        @Override
064        public boolean shouldCreateStub(ASTNode node) {
065            if (!super.shouldCreateStub(node)) {
066                return false;
067            }
068            PsiElement psi = node.getPsi();
069            return psi instanceof JetParameter && !((JetParameter) psi).isLoopParameter();
070        }
071    
072        @Override
073        public void serialize(@NotNull PsiJetParameterStub stub, @NotNull StubOutputStream dataStream) throws IOException {
074            dataStream.writeName(stub.getName());
075            dataStream.writeBoolean(stub.isMutable());
076            dataStream.writeBoolean(stub.isVarArg());
077            dataStream.writeName(stub.getTypeText());
078            dataStream.writeName(stub.getDefaultValueText());
079            FqName name = stub.getFqName();
080            dataStream.writeName(name != null ? name.asString() : null);
081        }
082    
083        @NotNull
084        @Override
085        public PsiJetParameterStub deserialize(@NotNull StubInputStream dataStream, StubElement parentStub) throws IOException {
086            StringRef name = dataStream.readName();
087            boolean isMutable = dataStream.readBoolean();
088            boolean isVarArg = dataStream.readBoolean();
089            StringRef typeText = dataStream.readName();
090            StringRef defaultValueText = dataStream.readName();
091            StringRef fqNameAsString = dataStream.readName();
092            FqName fqName = fqNameAsString != null ? new FqName(fqNameAsString.toString()) : null;
093    
094             return new PsiJetParameterStubImpl(parentStub, fqName, name, isMutable, isVarArg,
095                                               typeText, defaultValueText);
096        }
097    
098        @Override
099        public void indexStub(@NotNull PsiJetParameterStub stub, @NotNull IndexSink sink) {
100            // No index
101        }
102    }