/*
* 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.declarations.IrSimpleFunction
import org.jetbrains.kotlin.ir.descriptors.IrBuiltIns
import org.jetbrains.kotlin.lexer.KtSingleValueToken
import org.jetbrains.kotlin.lexer.KtTokens
import org.jetbrains.kotlin.resolve.DescriptorUtils
import org.jetbrains.kotlin.types.SimpleType
import org.jetbrains.org.objectweb.asm.Type
class IrIntrinsicMethods(irBuiltIns: IrBuiltIns) {
val intrinsics = IntrinsicMethods()
private val irMapping = hashMapOf<CallableMemberDescriptor, IntrinsicMethod>()
private fun createPrimitiveComparisonIntrinsics(typeToIrFun: Map<SimpleType, IrSimpleFunction>, operator: KtSingleValueToken) {
for ((type, irFun) in typeToIrFun) {
irMapping[irFun.descriptor] = PrimitiveComparison(type, operator)
}
}
init {
irMapping[irBuiltIns.eqeq] = Equals(KtTokens.EQEQ)
irMapping[irBuiltIns.eqeqeq] = Equals(KtTokens.EQEQEQ)
irMapping[irBuiltIns.ieee754equalsFunByOperandType[irBuiltIns.float]!!.descriptor] = Ieee754Equals(Type.FLOAT_TYPE)
irMapping[irBuiltIns.ieee754equalsFunByOperandType[irBuiltIns.double]!!.descriptor] = Ieee754Equals(Type.DOUBLE_TYPE)
irMapping[irBuiltIns.booleanNot] = Not()
createPrimitiveComparisonIntrinsics(irBuiltIns.lessFunByOperandType, KtTokens.LT)
createPrimitiveComparisonIntrinsics(irBuiltIns.lessOrEqualFunByOperandType, KtTokens.LTEQ)
createPrimitiveComparisonIntrinsics(irBuiltIns.greaterFunByOperandType, KtTokens.GT)
createPrimitiveComparisonIntrinsics(irBuiltIns.greaterOrEqualFunByOperandType, KtTokens.GTEQ)
irMapping[irBuiltIns.enumValueOf] = IrEnumValueOf()
irMapping[irBuiltIns.noWhenBranchMatchedException] = IrNoWhenBranchMatchedException()
irMapping[irBuiltIns.throwNpe] = ThrowNPE()
}
fun getIntrinsic(descriptor: CallableMemberDescriptor): IntrinsicMethod? {
intrinsics.getIntrinsic(descriptor)?.let { return it }
if (descriptor is PropertyAccessorDescriptor) {
return intrinsics.getIntrinsic(DescriptorUtils.unwrapFakeOverride(descriptor.correspondingProperty))
}
return irMapping[descriptor.original]
}
}