org.jetbrains.kotlin.resolve.StatementFilter.kt Maven / Gradle / Ivy
/*
* Copyright 2010-2015 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.kotlin.resolve
import org.jetbrains.kotlin.psi.KtBlockExpression
import org.jetbrains.kotlin.psi.KtElement
import org.jetbrains.kotlin.psi.KtExpression
import org.jetbrains.kotlin.psi.KtPsiUtil
open class StatementFilter {
open val filter: ((KtExpression) -> Boolean)?
get() = null
companion object {
@JvmField val NONE: StatementFilter = StatementFilter()
}
}
fun StatementFilter.filterStatements(block: KtBlockExpression): List {
if (filter == null || block is KtPsiUtil.KtExpressionWrapper) return block.getStatements()
return block.getStatements().filter { filter!!(it) }
}
fun StatementFilter.getLastStatementInABlock(block: KtBlockExpression) = filterStatements(block).lastOrNull()