org.jetbrains.kotlin.cli.common.arguments.argumentUtils.kt Maven / Gradle / Ivy

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Kotlin Jps Plugin
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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.cli.common.arguments

import com.intellij.util.text.VersionComparatorUtil
import java.util.*
import kotlin.reflect.KClass
import kotlin.reflect.KMutableProperty1
import kotlin.reflect.KProperty1
import kotlin.reflect.KVisibility
import kotlin.reflect.full.declaredMemberProperties
import kotlin.reflect.full.memberProperties

@Suppress("UNCHECKED_CAST")
fun  copyBean(bean: T) = copyBeanTo(bean, bean::class.java.newInstance()!!)

@Suppress("UNCHECKED_CAST")
fun  copyBeanTo(from: T, to: T, filter: ((KProperty1, Any?) -> Boolean)? = null) =
    copyProperties(from, to, true, collectProperties(from::class as KClass, false), filter)

fun  mergeBeans(from: From, to: To): To {
    // TODO: rewrite when updated version of com.intellij.util.xmlb is available on TeamCity
    @Suppress("UNCHECKED_CAST")
    return copyProperties(from, to, false, collectProperties(from::class as KClass, false))
}

@Suppress("UNCHECKED_CAST")
fun  copyInheritedFields(from: From, to: To) =
    copyProperties(from, to, true, collectProperties(from::class as KClass, true))

@Suppress("UNCHECKED_CAST")
fun  copyFieldsSatisfying(from: From, to: To, predicate: (KProperty1) -> Boolean) =
    copyProperties(from, to, true, collectProperties(from::class as KClass, false).filter(predicate))

private fun  copyProperties(
    from: From,
    to: To,
    deepCopyWhenNeeded: Boolean,
    propertiesToCopy: List>,
    filter: ((KProperty1, Any?) -> Boolean)? = null
): To {
    if (from == to) return to

    val toMemberProperties = to::class.memberProperties.associateBy { it.name }

    for (fromProperty in propertiesToCopy) {
        @Suppress("UNCHECKED_CAST")
        val toProperty = toMemberProperties[fromProperty.name] as? KMutableProperty1
            ?: continue
        val fromValue = fromProperty.get(from)
        if (filter != null && !filter(fromProperty, fromValue)) continue
        toProperty.set(to, if (deepCopyWhenNeeded) fromValue?.copyValueIfNeeded() else fromValue)
    }
    return to
}

private fun Any.copyValueIfNeeded(): Any {
    @Suppress("UNCHECKED_CAST")
    return when (this) {
        is ByteArray -> this.copyOf(size)
        is CharArray -> this.copyOf(size)
        is ShortArray -> this.copyOf(size)
        is IntArray -> this.copyOf(size)
        is LongArray -> this.copyOf(size)
        is FloatArray -> this.copyOf(size)
        is DoubleArray -> this.copyOf(size)
        is BooleanArray -> this.copyOf(size)

        is Array<*> -> java.lang.reflect.Array.newInstance(this::class.java.componentType, size).apply {
            this as Array
            (this@copyValueIfNeeded as Array).forEachIndexed { i, value -> this[i] = value?.copyValueIfNeeded() }
        }

        is MutableCollection<*> -> (this as Collection).mapTo(this::class.java.newInstance() as MutableCollection) { it?.copyValueIfNeeded() }

        is MutableMap<*, *> -> (this::class.java.newInstance() as MutableMap).apply {
            for ((k, v) in [email protected]) {
                put(k?.copyValueIfNeeded(), v?.copyValueIfNeeded())
            }
        }

        else -> this
    }
}

fun  collectProperties(kClass: KClass, inheritedOnly: Boolean): List> {
    val properties = ArrayList(kClass.memberProperties)
    if (inheritedOnly) {
        properties.removeAll(kClass.declaredMemberProperties)
    }
    return properties.filter { property ->
        property.visibility == KVisibility.PUBLIC && (property.annotations.firstOrNull { it is Transient } as Transient?) == null
    }
}

fun CommonCompilerArguments.setApiVersionToLanguageVersionIfNeeded() {
    if (languageVersion != null && VersionComparatorUtil.compare(languageVersion, apiVersion) < 0) {
        apiVersion = languageVersion
    }
}