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 org.jetbrains.annotations.NotNull;
021    import org.jetbrains.annotations.Nullable;
022    import org.jetbrains.kotlin.JetNodeTypes;
023    import org.jetbrains.kotlin.lexer.JetTokens;
024    
025    import java.util.List;
026    
027    public class JetFunctionLiteralExpression extends JetExpressionImpl {
028        public JetFunctionLiteralExpression(@NotNull ASTNode node) {
029            super(node);
030        }
031    
032        @Override
033        public <R, D> R accept(@NotNull JetVisitor<R, D> visitor, D data) {
034            return visitor.visitFunctionLiteralExpression(this, data);
035        }
036    
037        @NotNull
038        public JetFunctionLiteral getFunctionLiteral() {
039            return (JetFunctionLiteral) findChildByType(JetNodeTypes.FUNCTION_LITERAL);
040        }
041    
042        @NotNull
043        public List<JetParameter> getValueParameters() {
044            return getFunctionLiteral().getValueParameters();
045        }
046    
047        @Nullable
048        public JetBlockExpression getBodyExpression() {
049            return getFunctionLiteral().getBodyExpression();
050        }
051    
052        public boolean hasDeclaredReturnType() {
053            return getFunctionLiteral().getTypeReference() != null;
054        }
055    
056        @NotNull
057        public JetElement asElement() {
058            return this;
059        }
060    
061        @NotNull
062        public ASTNode getLeftCurlyBrace() {
063            return getFunctionLiteral().getNode().findChildByType(JetTokens.LBRACE);
064        }
065    
066        @Nullable
067        public ASTNode getRightCurlyBrace() {
068            return getFunctionLiteral().getNode().findChildByType(JetTokens.RBRACE);
069        }
070    }