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;
018
019import com.intellij.lang.ASTNode;
020import com.intellij.psi.PsiElement;
021import org.jetbrains.annotations.NotNull;
022import org.jetbrains.annotations.Nullable;
023import org.jetbrains.jet.JetNodeTypes;
024import org.jetbrains.jet.lexer.JetTokens;
025
026public class JetCallableReferenceExpression extends JetExpressionImpl {
027    public JetCallableReferenceExpression(@NotNull ASTNode node) {
028        super(node);
029    }
030
031    @Nullable
032    public JetTypeReference getTypeReference() {
033        return (JetTypeReference) findChildByType(JetNodeTypes.TYPE_REFERENCE);
034    }
035
036    @NotNull
037    public JetSimpleNameExpression getCallableReference() {
038        ASTNode node = getNode().findChildByType(JetTokens.COLONCOLON);
039        while (node != null) {
040            PsiElement psi = node.getPsi();
041            if (psi instanceof JetSimpleNameExpression) {
042                return (JetSimpleNameExpression) psi;
043            }
044            node = node.getTreeNext();
045        }
046
047        throw new IllegalStateException("Callable reference simple name shouldn't be parsed to null");
048    }
049
050    @Override
051    public void accept(@NotNull JetVisitorVoid visitor) {
052        visitor.visitCallableReferenceExpression(this);
053    }
054
055    @Override
056    public <R, D> R accept(@NotNull JetVisitor<R, D> visitor, D data) {
057        return visitor.visitCallableReferenceExpression(this, data);
058    }
059}