org.jetbrains.jet.lang.psi.JetExpressionWithLabel 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 org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
import org.jetbrains.jet.JetNodeTypes;
public class JetExpressionWithLabel extends JetExpressionImpl {
public JetExpressionWithLabel(@NotNull ASTNode node) {
super(node);
}
@Nullable
public JetSimpleNameExpression getTargetLabel() {
JetContainerNode qualifier = (JetContainerNode) findChildByType(JetNodeTypes.LABEL_QUALIFIER);
if (qualifier == null) return null;
return (JetSimpleNameExpression) qualifier.findChildByType(JetNodeTypes.LABEL);
}
@Nullable
public String getLabelName() {
JetSimpleNameExpression labelElement = getTargetLabel();
assert labelElement == null || labelElement.getText().startsWith("@");
return labelElement == null ? null : labelElement.getText().substring(1);
}
@Override
public R accept(@NotNull JetVisitor visitor, D data) {
return visitor.visitExpressionWithLabel(this, data);
}
}