org.jetbrains.kotlin.preprocessor.Conditional.kt Maven / Gradle / Ivy
/*
* Copyright 2010-2015 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.preprocessor
import org.jetbrains.kotlin.psi.KtAnnotated
import org.jetbrains.kotlin.psi.KtAnnotationEntry
import org.jetbrains.kotlin.psi.KtUserType
interface Conditional {
interface PlatformVersion : Conditional
abstract class Parser(val name: String, val parse: (arguments: PositionalAndNamedArguments) -> Conditional)
data class JvmVersion(val minimum: Int, val maximum: Int): PlatformVersion {
val versionRange: IntRange = minimum..maximum
companion object : Parser("JvmVersion", parse = { arguments ->
val minimum = arguments[0, "minimum"]?.parseIntegerValue()
val maximum = arguments[1, "maximum"]?.parseIntegerValue()
JvmVersion(minimum ?: 6, maximum ?: 100)
})
}
data class JsVersion(val version: Int = 5): PlatformVersion {
companion object : Parser("JsVersion", parse = { JsVersion() })
}
data class TargetName(val name: String): Conditional {
companion object : Parser("RenameOnTargetPlatform", parse = { arguments ->
val name = arguments[0, "name"]!!.parseStringValue()
TargetName(name)
})
}
companion object {
val ANNOTATIONS: Map = listOf(JvmVersion, JsVersion, TargetName).associateBy { it.name }
}
}
fun KtAnnotated.parseConditionalAnnotations(): List =
annotationEntries.mapNotNull {
val parser = Conditional.ANNOTATIONS.get(it.typeReferenceName)
parser?.parse?.invoke(it.valueArguments.splitToPositionalAndNamed())
}
val KtAnnotationEntry.typeReferenceName: String? get() =
(typeReference?.typeElement as? KtUserType)?.referencedName