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
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+68
@@ -0,0 +1,68 @@
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// FILE: inlined.kt
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// WITH_RUNTIME
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// NO_CHECK_LAMBDA_INLINING
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suspend inline fun crossinlineMe(crossinline c: suspend () -> Unit) {
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val l: suspend () -> Unit = { c() }
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l()
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}
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suspend inline fun crossinlineMe2(crossinline c: suspend () -> Unit) {
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crossinlineMe { c(); c() }
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}
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// FILE: inlineSite.kt
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import kotlin.coroutines.experimental.*
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import kotlin.coroutines.experimental.intrinsics.*
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var result = "FAIL"
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var i = 0
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var finished = false
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var proceed: () -> Unit = {}
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suspend fun suspendHere() = suspendCoroutine<Unit> { c ->
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i++
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proceed = { c.resume(Unit) }
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}
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fun builder(c: suspend () -> Unit) {
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val continuation = object: Continuation<Unit> {
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override val context: CoroutineContext
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get() = EmptyCoroutineContext
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override fun resume(value: Unit) {
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proceed = {
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result = "OK"
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finished = true
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}
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}
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override fun resumeWithException(exception: Throwable) {
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throw exception
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}
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}
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c.startCoroutine(continuation)
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}
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fun box(): String {
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builder {
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crossinlineMe2 {
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suspendHere()
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suspendHere()
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suspendHere()
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suspendHere()
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suspendHere()
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}
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}
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for (counter in 0 until 10) {
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if (i != counter + 1) return "Expected ${counter + 1}, got $i"
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proceed()
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}
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if (i != 10) return "FAIL $i"
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if (finished) return "resume on root continuation is called"
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proceed()
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if (!finished) return "resume on root continuation is not called"
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return result
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}
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