Files
kotlin-fork/compiler/testData/codegen/boxInline/suspend/stateMachine/numberOfSuspentions.kt
T
Ilmir Usmanov 6854135077 Support crossinline suspend lambda as parameter of inline function
Use fake continuation instead of ALOAD 0 while inlining
Do not generate state machine for inner lambdas and inner objects,
which capture crossinline suspend lambda.

 #KT-19159: Fixed
2018-03-16 16:26:11 +03:00

68 lines
1.6 KiB
Kotlin
Vendored

// FILE: inlined.kt
// WITH_RUNTIME
// NO_CHECK_LAMBDA_INLINING
suspend inline fun crossinlineMe(crossinline c: suspend () -> Unit) {
val l: suspend () -> Unit = { c() }
l()
}
suspend inline fun crossinlineMe2(crossinline c: suspend () -> Unit) {
crossinlineMe { c(); c() }
}
// FILE: inlineSite.kt
import kotlin.coroutines.experimental.*
import kotlin.coroutines.experimental.intrinsics.*
var result = "FAIL"
var i = 0
var finished = false
var proceed: () -> Unit = {}
suspend fun suspendHere() = suspendCoroutine<Unit> { c ->
i++
proceed = { c.resume(Unit) }
}
fun builder(c: suspend () -> Unit) {
val continuation = object: Continuation<Unit> {
override val context: CoroutineContext
get() = EmptyCoroutineContext
override fun resume(value: Unit) {
proceed = {
result = "OK"
finished = true
}
}
override fun resumeWithException(exception: Throwable) {
throw exception
}
}
c.startCoroutine(continuation)
}
fun box(): String {
builder {
crossinlineMe2 {
suspendHere()
suspendHere()
suspendHere()
suspendHere()
suspendHere()
}
}
for (counter in 0 until 10) {
if (i != counter + 1) return "Expected ${counter + 1}, got $i"
proceed()
}
if (i != 10) return "FAIL $i"
if (finished) return "resume on root continuation is called"
proceed()
if (!finished) return "resume on root continuation is not called"
return result
}