org.jetbrains.jet.lang.psi.JetCallableReferenceExpression Maven / Gradle / Ivy
/*
* Copyright 2010-2013 JetBrains s.r.o.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.jetbrains.jet.lang.psi;
import com.intellij.lang.ASTNode;
import com.intellij.psi.PsiElement;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
import org.jetbrains.jet.JetNodeTypes;
import org.jetbrains.jet.lexer.JetTokens;
public class JetCallableReferenceExpression extends JetExpressionImpl {
public JetCallableReferenceExpression(@NotNull ASTNode node) {
super(node);
}
@Nullable
public JetTypeReference getTypeReference() {
return (JetTypeReference) findChildByType(JetNodeTypes.TYPE_REFERENCE);
}
@NotNull
public PsiElement getDoubleColonTokenReference() {
//noinspection ConstantConditions
return findChildByType(JetTokens.COLONCOLON);
}
@NotNull
public JetSimpleNameExpression getCallableReference() {
PsiElement psi = getDoubleColonTokenReference();
while (psi != null) {
if (psi instanceof JetSimpleNameExpression) {
return (JetSimpleNameExpression) psi;
}
psi = psi.getNextSibling();
}
throw new IllegalStateException("Callable reference simple name shouldn't be parsed to null");
}
@Override
public R accept(@NotNull JetVisitor visitor, D data) {
return visitor.visitCallableReferenceExpression(this, data);
}
}