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Kotlin Script Runtime

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/*
 * Copyright 2010-2017 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.
 */

@file:Suppress("unused")

package kotlin.script.dependencies

import java.io.File
import java.util.concurrent.Future
import java.util.concurrent.TimeUnit

typealias Environment = Map

interface ScriptDependenciesResolver {

    enum class ReportSeverity { FATAL, ERROR, WARNING, INFO, DEBUG }

    fun resolve(script: ScriptContents,
                environment: Environment?,
                report: (ReportSeverity, String, ScriptContents.Position?) -> Unit,
                previousDependencies: KotlinScriptExternalDependencies?
    ): Future = PseudoFuture(null)
}

class BasicScriptDependenciesResolver : ScriptDependenciesResolver

fun KotlinScriptExternalDependencies?.asFuture(): PseudoFuture = PseudoFuture(this)

class PseudoFuture(private val value: T): Future {
    override fun get(): T = value
    override fun get(p0: Long, p1: TimeUnit): T  = value
    override fun cancel(p0: Boolean): Boolean = false
    override fun isDone(): Boolean = true
    override fun isCancelled(): Boolean = false
}

interface ScriptContents {
    val file: File?
    val annotations: Iterable
    val text: CharSequence?

    data class Position(val line: Int, val col: Int)
}