org.jetbrains.kotlin.backend.common.lower.matchers.IrFunctionMatcher.kt Maven / Gradle / Ivy
/*
* Copyright 2010-2019 JetBrains s.r.o. and Kotlin Programming Language contributors.
* Use of this source code is governed by the Apache 2.0 license that can be found in the license/LICENSE.txt file.
*/
package org.jetbrains.kotlin.backend.common.lower.matchers
import org.jetbrains.kotlin.ir.declarations.IrFunction
import org.jetbrains.kotlin.ir.declarations.IrValueParameter
import org.jetbrains.kotlin.ir.types.IrType
import org.jetbrains.kotlin.ir.util.kotlinFqName
import org.jetbrains.kotlin.name.FqName
internal interface IrFunctionMatcher : (IrFunction) -> Boolean
internal class ParameterMatcher(
val index: Int,
val restriction: (IrValueParameter) -> Boolean
) : IrFunctionMatcher {
override fun invoke(function: IrFunction): Boolean {
val params = function.valueParameters
return params.size > index && restriction(params[index])
}
}
internal class DispatchReceiverMatcher(
val restriction: (IrValueParameter?) -> Boolean
) : IrFunctionMatcher {
override fun invoke(function: IrFunction): Boolean {
return restriction(function.dispatchReceiverParameter)
}
}
internal class ExtensionReceiverMatcher(
val restriction: (IrValueParameter?) -> Boolean
) : IrFunctionMatcher {
override fun invoke(function: IrFunction): Boolean {
return restriction(function.extensionReceiverParameter)
}
}
internal class ParameterCountMatcher(
val restriction: (Int) -> Boolean
) : IrFunctionMatcher {
override fun invoke(function: IrFunction): Boolean {
return restriction(function.valueParameters.size)
}
}
internal class FqNameMatcher(
val restriction: (FqName) -> Boolean
) : IrFunctionMatcher {
override fun invoke(function: IrFunction): Boolean {
return restriction(function.kotlinFqName)
}
}
internal open class IrFunctionMatcherContainer : IrFunctionMatcher {
private val restrictions = mutableListOf()
fun add(restriction: IrFunctionMatcher) {
restrictions += restriction
}
fun fqName(restriction: (FqName) -> Boolean) =
add(FqNameMatcher(restriction))
fun parameterCount(restriction: (Int) -> Boolean) =
add(ParameterCountMatcher(restriction))
fun extensionReceiver(restriction: (IrValueParameter?) -> Boolean) =
add(ExtensionReceiverMatcher(restriction))
fun dispatchReceiver(restriction: (IrValueParameter?) -> Boolean) =
add(DispatchReceiverMatcher(restriction))
fun parameter(index: Int, restriction: (IrValueParameter) -> Boolean) =
add(ParameterMatcher(index, restriction))
override fun invoke(function: IrFunction) = restrictions.all { it(function) }
}
internal fun createIrFunctionRestrictions(restrictions: IrFunctionMatcherContainer.() -> Unit) =
IrFunctionMatcherContainer().apply(restrictions)
internal fun IrFunctionMatcherContainer.singleArgumentExtension(
fqName: FqName,
types: Collection
): IrFunctionMatcherContainer {
extensionReceiver { it != null && it.type in types }
parameterCount { it == 1 }
fqName { it == fqName }
return this
}