001    /*
002     * Copyright 2010-2016 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 org.jetbrains.annotations.NonNls;
029    import org.jetbrains.annotations.NotNull;
030    import org.jetbrains.kotlin.idea.KotlinLanguage;
031    import org.jetbrains.kotlin.parsing.KotlinParser;
032    import org.jetbrains.kotlin.psi.stubs.KotlinFileStub;
033    import org.jetbrains.kotlin.psi.stubs.KotlinStubVersions;
034    
035    import java.io.IOException;
036    
037    public class KtFileElementType extends IStubFileElementType<KotlinFileStub> {
038        private static final String NAME = "kotlin.FILE";
039    
040        public KtFileElementType() {
041            super(NAME, KotlinLanguage.INSTANCE);
042        }
043    
044        protected KtFileElementType(@NonNls String debugName) {
045            super(debugName, KotlinLanguage.INSTANCE);
046        }
047    
048        @Override
049        public StubBuilder getBuilder() {
050            return new KtFileStubBuilder();
051        }
052    
053        @Override
054        public int getStubVersion() {
055            return KotlinStubVersions.SOURCE_STUB_VERSION;
056        }
057    
058        @NotNull
059        @Override
060        public String getExternalId() {
061            return NAME;
062        }
063    
064        @Override
065        public void serialize(@NotNull KotlinFileStub stub, @NotNull StubOutputStream dataStream)
066                throws IOException {
067            StubIndexService.getInstance().serializeFileStub(stub, dataStream);
068        }
069    
070        @NotNull
071        @Override
072        public KotlinFileStub deserialize(@NotNull StubInputStream dataStream, StubElement parentStub) throws IOException {
073            return StubIndexService.getInstance().deserializeFileStub(dataStream);
074        }
075    
076        @Override
077        protected ASTNode doParseContents(@NotNull ASTNode chameleon, @NotNull PsiElement psi) {
078            Project project = psi.getProject();
079            Language languageForParser = getLanguageForParser(psi);
080            PsiBuilder builder = PsiBuilderFactory.getInstance().createBuilder(project, chameleon, null, languageForParser, chameleon.getChars());
081            KotlinParser parser = (KotlinParser) LanguageParserDefinitions.INSTANCE.forLanguage(languageForParser).createParser(project);
082            return parser.parse(this, builder, psi.getContainingFile()).getFirstChildNode();
083        }
084    
085        @Override
086        public void indexStub(@NotNull KotlinFileStub stub, @NotNull IndexSink sink) {
087            StubIndexService.getInstance().indexFile(stub, sink);
088        }
089    }