org.jetbrains.kotlin.backend.jvm.intrinsics.IrIntrinsicMethods.kt Maven / Gradle / Ivy

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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.descriptors.CallableMemberDescriptor
import org.jetbrains.kotlin.descriptors.PropertyAccessorDescriptor
import org.jetbrains.kotlin.ir.descriptors.IrBuiltIns
import org.jetbrains.kotlin.lexer.KtTokens
import org.jetbrains.kotlin.resolve.DescriptorUtils

class IrIntrinsicMethods(irBuiltIns: IrBuiltIns) {

    val intrinsics = IntrinsicMethods()

    private val irMapping = hashMapOf()

    init {
        irMapping.put(irBuiltIns.eqeq, Equals(KtTokens.EQEQ))
        irMapping.put(irBuiltIns.eqeqeq, Equals(KtTokens.EQEQEQ))
        irMapping.put(irBuiltIns.booleanNot, Not())
        val compare = IrCompareTo()
        irMapping.put(irBuiltIns.lt0, compare)
        irMapping.put(irBuiltIns.lteq0, compare)
        irMapping.put(irBuiltIns.gt0, compare)
        irMapping.put(irBuiltIns.gteq0, compare)
        irMapping.put(irBuiltIns.enumValueOf, IrEnumValueOf())
        irMapping.put(irBuiltIns.noWhenBranchMatchedException, IrNoWhenBranchMatchedException())
    }

    fun getIntrinsic(descriptor: CallableMemberDescriptor): IntrinsicMethod? {
        return intrinsics.getIntrinsic(descriptor) ?:
               (if (descriptor is PropertyAccessorDescriptor)
                   intrinsics.getIntrinsic(DescriptorUtils.unwrapFakeOverride(descriptor.correspondingProperty))
               else null) ?: irMapping[descriptor.original]
    }

}