org.jetbrains.kotlin.codegen.intrinsics.HashCode.kt Maven / Gradle / Ivy

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/*
 * 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.codegen.intrinsics

import org.jetbrains.kotlin.codegen.Callable
import org.jetbrains.kotlin.codegen.CallableMethod
import org.jetbrains.org.objectweb.asm.Opcodes
import org.jetbrains.org.objectweb.asm.Type
import org.jetbrains.org.objectweb.asm.commons.InstructionAdapter

class HashCode : IntrinsicMethod() {
    override fun toCallable(method: CallableMethod): Callable =
            object : IntrinsicCallable(
                    Type.INT_TYPE,
                    emptyList(),
                    nullOrObject(method.dispatchReceiverType),
                    nullOrObject(method.extensionReceiverType)
            ) {
                override fun invokeIntrinsic(v: InstructionAdapter) {
                    v.visitMethodInsn(Opcodes.INVOKEVIRTUAL, "java/lang/Object", "hashCode", "()I", false)
                }
            }
}