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.AsmUtil
import org.jetbrains.org.objectweb.asm.Opcodes
import org.jetbrains.org.objectweb.asm.Type
import org.jetbrains.org.objectweb.asm.commons.InstructionAdapter

class HashCode {
    companion object {
        fun InstructionAdapter.invokeHashCode(type: Type) {
            if (AsmUtil.isPrimitive(type)) {
                val boxedType = AsmUtil.boxType(type)
                visitMethodInsn(
                    Opcodes.INVOKESTATIC, boxedType.internalName, "hashCode", Type.getMethodDescriptor(Type.INT_TYPE, type), false,
                )
            } else {
                visitMethodInsn(Opcodes.INVOKEVIRTUAL, "java/lang/Object", "hashCode", "()I", false)
            }
        }
    }
}