org.jetbrains.jet.lang.psi.JetFunctionLiteralArgument.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.PsiWhiteSpace
public class JetFunctionLiteralArgument(node: ASTNode) : JetValueArgument(node) {
private fun assertFL() = throw AssertionError("Function literal argument doesn't contain function literal expression: " +
"${super.getArgumentExpression()?.getText()} (it should be guaranteed by parser)")
override fun getArgumentExpression() = super.getArgumentExpression() ?: assertFL()
public fun getFunctionLiteral(): JetFunctionLiteralExpression {
val expression = getArgumentExpression()
return when (expression) {
is JetLabeledExpression -> expression.getBaseExpression() as? JetFunctionLiteralExpression ?: assertFL()
else -> expression as? JetFunctionLiteralExpression ?: assertFL()
}
}
}