001    /*
002     * Copyright 2010-2015 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.kotlin.psi.stubs.elements;
018    
019    import com.intellij.lang.*;
020    import com.intellij.openapi.project.Project;
021    import com.intellij.psi.PsiElement;
022    import com.intellij.psi.StubBuilder;
023    import com.intellij.psi.stubs.IndexSink;
024    import com.intellij.psi.stubs.StubElement;
025    import com.intellij.psi.stubs.StubInputStream;
026    import com.intellij.psi.stubs.StubOutputStream;
027    import com.intellij.psi.tree.IStubFileElementType;
028    import com.intellij.util.io.StringRef;
029    import org.jetbrains.annotations.NonNls;
030    import org.jetbrains.annotations.NotNull;
031    import org.jetbrains.kotlin.idea.JetLanguage;
032    import org.jetbrains.kotlin.parsing.JetParser;
033    import org.jetbrains.kotlin.psi.stubs.KotlinFileStub;
034    import org.jetbrains.kotlin.psi.stubs.impl.KotlinFileStubImpl;
035    
036    import java.io.IOException;
037    
038    public class JetFileElementType extends IStubFileElementType<KotlinFileStub> {
039        public static final int STUB_VERSION = 47;
040    
041        private static final String NAME = "kotlin.FILE";
042    
043        public JetFileElementType() {
044            super(NAME, JetLanguage.INSTANCE);
045        }
046    
047        protected JetFileElementType(@NonNls String debugName) {
048            super(debugName, JetLanguage.INSTANCE);
049        }
050    
051        @Override
052        public StubBuilder getBuilder() {
053            return new JetFileStubBuilder();
054        }
055    
056        @Override
057        public int getStubVersion() {
058            return STUB_VERSION;
059        }
060    
061        @NotNull
062        @Override
063        public String getExternalId() {
064            return NAME;
065        }
066    
067        @Override
068        public void serialize(@NotNull KotlinFileStub stub, @NotNull StubOutputStream dataStream)
069                throws IOException {
070            dataStream.writeName(stub.getPackageFqName().asString());
071            dataStream.writeBoolean(stub.isScript());
072        }
073    
074        @NotNull
075        @Override
076        public KotlinFileStub deserialize(@NotNull StubInputStream dataStream, StubElement parentStub) throws IOException {
077            StringRef packageFqNameAsString = dataStream.readName();
078            boolean isScript = dataStream.readBoolean();
079            return new KotlinFileStubImpl(null, packageFqNameAsString, isScript);
080        }
081    
082        @Override
083        protected ASTNode doParseContents(@NotNull ASTNode chameleon, @NotNull PsiElement psi) {
084            Project project = psi.getProject();
085            Language languageForParser = getLanguageForParser(psi);
086            PsiBuilder builder = PsiBuilderFactory.getInstance().createBuilder(project, chameleon, null, languageForParser, chameleon.getChars());
087            JetParser parser = (JetParser) LanguageParserDefinitions.INSTANCE.forLanguage(languageForParser).createParser(project);
088            return parser.parse(this, builder, psi.getContainingFile()).getFirstChildNode();
089        }
090    
091        @Override
092        public void indexStub(@NotNull KotlinFileStub stub, @NotNull IndexSink sink) {
093            StubIndexServiceFactory.getInstance().indexFile(stub, sink);
094        }
095    }