org.jetbrains.kotlin.backend.jvm.intrinsics.IsArrayOf.kt Maven / Gradle / Ivy
/*
* 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.
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package org.jetbrains.kotlin.backend.jvm.intrinsics
import org.jetbrains.kotlin.backend.jvm.JvmBackendContext
import org.jetbrains.kotlin.ir.expressions.IrMemberAccessExpression
import org.jetbrains.kotlin.resolve.descriptorUtil.module
import org.jetbrains.kotlin.resolve.jvm.jvmSignature.JvmMethodSignature
import org.jetbrains.kotlin.types.Variance
class IsArrayOf : IntrinsicMethod() {
override fun toCallable(expression: IrMemberAccessExpression, signature: JvmMethodSignature, context: JvmBackendContext): IrIntrinsicFunction {
val typeMapper = context.state.typeMapper
val descriptor = expression.descriptor
val builtIns = descriptor.module.builtIns
assert(descriptor.typeParameters.size == 1) {
"Expected only one type parameter for Any?.isArrayOf(), got: ${descriptor.typeParameters}"
}
/*TODO original?*/
val elementType = expression.getTypeArgument(descriptor.original.typeParameters.first())!!
val arrayKtType = builtIns.getArrayType(Variance.INVARIANT, elementType)
val arrayType = typeMapper.mapType(arrayKtType)
return IrIntrinsicFunction.create(expression, signature, context) {
it.instanceOf(arrayType)
}
}
}