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 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    
034    import java.io.IOException;
035    
036    public class KtFileElementType extends IStubFileElementType<KotlinFileStub> {
037        public static final int STUB_VERSION = 63;
038    
039        private static final String NAME = "kotlin.FILE";
040    
041        public KtFileElementType() {
042            super(NAME, KotlinLanguage.INSTANCE);
043        }
044    
045        protected KtFileElementType(@NonNls String debugName) {
046            super(debugName, KotlinLanguage.INSTANCE);
047        }
048    
049        @Override
050        public StubBuilder getBuilder() {
051            return new KtFileStubBuilder();
052        }
053    
054        @Override
055        public int getStubVersion() {
056            return STUB_VERSION;
057        }
058    
059        @NotNull
060        @Override
061        public String getExternalId() {
062            return NAME;
063        }
064    
065        @Override
066        public void serialize(@NotNull KotlinFileStub stub, @NotNull StubOutputStream dataStream)
067                throws IOException {
068            StubIndexService.getInstance().serializeFileStub(stub, dataStream);
069        }
070    
071        @NotNull
072        @Override
073        public KotlinFileStub deserialize(@NotNull StubInputStream dataStream, StubElement parentStub) throws IOException {
074            return StubIndexService.getInstance().deserializeFileStub(dataStream);
075        }
076    
077        @Override
078        protected ASTNode doParseContents(@NotNull ASTNode chameleon, @NotNull PsiElement psi) {
079            Project project = psi.getProject();
080            Language languageForParser = getLanguageForParser(psi);
081            PsiBuilder builder = PsiBuilderFactory.getInstance().createBuilder(project, chameleon, null, languageForParser, chameleon.getChars());
082            KotlinParser parser = (KotlinParser) LanguageParserDefinitions.INSTANCE.forLanguage(languageForParser).createParser(project);
083            return parser.parse(this, builder, psi.getContainingFile()).getFirstChildNode();
084        }
085    
086        @Override
087        public void indexStub(@NotNull KotlinFileStub stub, @NotNull IndexSink sink) {
088            StubIndexService.getInstance().indexFile(stub, sink);
089        }
090    }