org.jetbrains.kotlin.cfg.pseudocode.instructions.jumps.ReturnValueInstruction.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.cfg.pseudocode.instructions.jumps
import org.jetbrains.kotlin.cfg.pseudocode.PseudoValue
import org.jetbrains.kotlin.psi.KtExpression
import org.jetbrains.kotlin.cfg.Label
import java.util.Collections
import org.jetbrains.kotlin.cfg.pseudocode.instructions.BlockScope
import org.jetbrains.kotlin.cfg.pseudocode.instructions.InstructionVisitor
import org.jetbrains.kotlin.cfg.pseudocode.instructions.InstructionVisitorWithResult
import org.jetbrains.kotlin.psi.KtReturnExpression
class ReturnValueInstruction(
returnExpression: KtExpression,
blockScope: BlockScope,
targetLabel: Label,
val returnedValue: PseudoValue
) : AbstractJumpInstruction(returnExpression, targetLabel, blockScope) {
override val inputValues: List get() = Collections.singletonList(returnedValue)
override fun accept(visitor: InstructionVisitor) {
visitor.visitReturnValue(this)
}
override fun accept(visitor: InstructionVisitorWithResult): R {
return visitor.visitReturnValue(this)
}
override fun toString(): String {
return "ret(*|$returnedValue) $targetLabel"
}
override fun createCopy(newLabel: Label, blockScope: BlockScope): AbstractJumpInstruction {
return ReturnValueInstruction((element as KtExpression), blockScope, newLabel, returnedValue)
}
val returnExpressionIfAny: KtReturnExpression? = element as? KtReturnExpression
}