org.jetbrains.jet.lang.psi.JetQualifiedExpressionImpl.kt Maven / Gradle / Ivy
/*
* Copyright 2010-2014 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.Nullable
import org.jetbrains.jet.lexer.JetToken
import org.jetbrains.jet.lexer.JetTokens
import com.intellij.psi.util.PsiTreeUtil
object JetQualifiedExpressionImpl {
public fun JetQualifiedExpression.getOperationTokenNode(): ASTNode {
val operationNode = this.getNode()!!.findChildByType(JetTokens.OPERATIONS)
return operationNode!!
}
public fun JetQualifiedExpression.getOperationSign(): JetToken {
return this.getOperationTokenNode().getElementType() as JetToken
}
public fun JetQualifiedExpression.getReceiverExpression(): JetExpression {
val left = PsiTreeUtil.findChildOfType(this, javaClass())
return left!!
}
public fun JetQualifiedExpression.getSelectorExpression(): JetExpression? {
var node: ASTNode? = getOperationTokenNode()
while (node != null) {
val psi = node!!.getPsi()
if (psi is JetExpression) {
return (psi as JetExpression)
}
node = node!!.getTreeNext()
}
return null
}
}