kotlinx.reflect.lite.calls.Caller.kt Maven / Gradle / Ivy

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Experimental lightweight library that replaces existing 'kotlin-reflect' implementation

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/*
 * Copyright 2016-2022 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license.
 */

// Copy of: https://github.com/JetBrains/kotlin/blob/master/core/reflection.jvm/src/kotlin/reflect/jvm/internal/calls/Caller.kt
package kotlinx.reflect.lite.calls

import java.lang.reflect.Member
import java.lang.reflect.Type

internal interface Caller {
    val member: M

    val returnType: Type

    val parameterTypes: List

    fun checkArguments(args: Array<*>) {
        if (arity != args.size) {
            throw IllegalArgumentException("Callable expects $arity arguments, but ${args.size} were provided.")
        }
    }

    fun call(args: Array<*>): Any?
}

internal val Caller<*>.arity: Int
    get() = parameterTypes.size