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/*
 * Copyright 2010-2016 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.backend.jvm.intrinsics

import org.jetbrains.kotlin.backend.jvm.JvmBackendContext
import org.jetbrains.kotlin.codegen.*
import org.jetbrains.kotlin.ir.expressions.IrCall
import org.jetbrains.kotlin.ir.expressions.IrMemberAccessExpression
import org.jetbrains.kotlin.psi.KtPrefixExpression
import org.jetbrains.kotlin.resolve.calls.model.ResolvedCall
import org.jetbrains.kotlin.resolve.jvm.jvmSignature.JvmMethodSignature
import org.jetbrains.org.objectweb.asm.Type

class Not : IntrinsicMethod() {
    override fun toCallable(expression: IrMemberAccessExpression, signature: JvmMethodSignature, context: JvmBackendContext): IrIntrinsicFunction {
        return IrIntrinsicFunction.create(expression, signature, context) {
            StackValue.not(StackValue.onStack(Type.BOOLEAN_TYPE)).put(Type.BOOLEAN_TYPE, it)
        }
    }

    override fun toCallable(method: CallableMethod): Callable =
            object : IntrinsicCallable(method) {
                override fun invokeMethodWithArguments(
                        resolvedCall: ResolvedCall<*>,
                        receiver: StackValue,
                        codegen: ExpressionCodegen
                ): StackValue {
                    val element = resolvedCall.call.callElement
                    val stackValue =
                            if (element is KtPrefixExpression) {
                                codegen.gen(element.baseExpression)
                            }
                            else {
                                StackValue.receiver(resolvedCall, receiver, codegen, this)
                            }
                    return StackValue.not(stackValue)
                }
            }
}




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