org.jetbrains.kotlin.fir.resolve.calls.ResolutionStageRunner.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.fir.resolve.calls
import org.jetbrains.kotlin.resolve.calls.tower.CandidateApplicability
import org.jetbrains.kotlin.resolve.calls.tower.isSuccess
import kotlin.coroutines.Continuation
import kotlin.coroutines.CoroutineContext
import kotlin.coroutines.EmptyCoroutineContext
import kotlin.coroutines.intrinsics.createCoroutineUnintercepted
import kotlin.coroutines.resume
class ResolutionStageRunner {
fun processCandidate(candidate: Candidate, context: ResolutionContext, stopOnFirstError: Boolean = true): CandidateApplicability {
val sink = CheckerSinkImpl(candidate, stopOnFirstError = stopOnFirstError)
var finished = false
sink.continuation = suspend {
candidate.callInfo.callKind.resolutionSequence.forEachIndexed { index, stage ->
if (index < candidate.passedStages) return@forEachIndexed
candidate.passedStages++
stage.check(candidate, candidate.callInfo, sink, context)
}
}.createCoroutineUnintercepted(completion = object : Continuation {
override val context: CoroutineContext
get() = EmptyCoroutineContext
override fun resumeWith(result: Result) {
result.exceptionOrNull()?.let { throw it }
finished = true
}
})
while (!finished) {
sink.continuation!!.resume(Unit)
if (!candidate.isSuccessful) {
break
}
}
return candidate.currentApplicability
}
}