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;
018    
019    import com.intellij.lang.ASTNode;
020    import com.intellij.lang.Language;
021    import com.intellij.lang.PsiBuilder;
022    import com.intellij.lang.PsiBuilderFactory;
023    import com.intellij.openapi.project.Project;
024    import com.intellij.psi.PsiElement;
025    import org.jetbrains.annotations.NotNull;
026    import org.jetbrains.kotlin.parsing.KotlinParser;
027    import org.jetbrains.kotlin.psi.stubs.elements.KtFileElementType;
028    
029    public class KtExpressionCodeFragmentType extends KtFileElementType {
030        private static final String NAME = "kotlin.EXPRESSION_CODE_FRAGMENT";
031    
032        public KtExpressionCodeFragmentType() {
033            super(NAME);
034        }
035    
036        @NotNull
037        @Override
038        public String getExternalId() {
039            return NAME;
040        }
041    
042        @Override
043        protected ASTNode doParseContents(@NotNull ASTNode chameleon, @NotNull PsiElement psi) {
044            Project project = psi.getProject();
045            Language languageForParser = getLanguageForParser(psi);
046            PsiBuilder builder = PsiBuilderFactory.getInstance().createBuilder(project, chameleon, null, languageForParser, chameleon.getChars());
047            return KotlinParser.parseExpressionCodeFragment(builder).getFirstChildNode();
048        }
049    }