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
017package org.jetbrains.jet.lang.psi.stubs.elements;
018
019import com.intellij.lang.*;
020import com.intellij.openapi.project.Project;
021import com.intellij.psi.PsiElement;
022import com.intellij.psi.StubBuilder;
023import com.intellij.psi.stubs.IndexSink;
024import com.intellij.psi.stubs.StubElement;
025import com.intellij.psi.stubs.StubInputStream;
026import com.intellij.psi.stubs.StubOutputStream;
027import com.intellij.psi.tree.IStubFileElementType;
028import com.intellij.util.io.StringRef;
029import org.jetbrains.annotations.NonNls;
030import org.jetbrains.annotations.NotNull;
031import org.jetbrains.jet.lang.parsing.JetParser;
032import org.jetbrains.jet.lang.psi.stubs.PsiJetFileStub;
033import org.jetbrains.jet.lang.psi.stubs.impl.PsiJetFileStubImpl;
034import org.jetbrains.jet.plugin.JetLanguage;
035
036import java.io.IOException;
037
038public class JetFileElementType extends IStubFileElementType<PsiJetFileStub> {
039    public static final int STUB_VERSION = 23;
040
041    public JetFileElementType() {
042        super("jet.FILE", JetLanguage.INSTANCE);
043    }
044
045    protected JetFileElementType(@NonNls String debugName) {
046        super(debugName, JetLanguage.INSTANCE);
047    }
048
049    @Override
050    public StubBuilder getBuilder() {
051        return new JetFileStubBuilder();
052    }
053
054    @Override
055    public int getStubVersion() {
056        return STUB_VERSION;
057    }
058
059    @Override
060    public String getExternalId() {
061        return "jet.FILE";
062    }
063
064    @Override
065    public void serialize(PsiJetFileStub stub, StubOutputStream dataStream)
066            throws IOException {
067        dataStream.writeName(stub.getPackageName());
068        dataStream.writeBoolean(stub.isScript());
069    }
070
071    @Override
072    public PsiJetFileStub deserialize(StubInputStream dataStream, StubElement parentStub) throws IOException {
073        StringRef packName = dataStream.readName();
074        boolean isScript = dataStream.readBoolean();
075        return new PsiJetFileStubImpl(null, packName, isScript);
076    }
077
078    @Override
079    protected ASTNode doParseContents(@NotNull ASTNode chameleon, @NotNull PsiElement psi) {
080        Project project = psi.getProject();
081        Language languageForParser = getLanguageForParser(psi);
082        PsiBuilder builder = PsiBuilderFactory.getInstance().createBuilder(project, chameleon, null, languageForParser, chameleon.getChars());
083        JetParser parser = (JetParser) LanguageParserDefinitions.INSTANCE.forLanguage(languageForParser).createParser(project);
084        return parser.parse(this, builder, psi.getContainingFile()).getFirstChildNode();
085    }
086
087    @Override
088    public void indexStub(PsiJetFileStub stub, IndexSink sink) {
089        StubIndexServiceFactory.getInstance().indexFile(stub, sink);
090    }
091}