Vladimir Sukharev
47 lines
1012 B
Kotlin
Vendored
47 lines
1012 B
Kotlin
Vendored
/*
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* Copyright 2010-2020 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license
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* that can be found in the LICENSE file.
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*/
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// TODO: check mentioned debug output of escape analyser
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// Note: intentional infinite recursion for F(String). Don't try to execute the code.
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class F(val s: String) {
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var g = F("OK")
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}
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class A {
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var f = F("qzz")
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}
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// ----- Agressive -----
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// PointsTo:
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// P0.f -> D0
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// RET.v@lue -> P0.f
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// RET.v@lue -> D0
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// RET.v@lue -> D0.g
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// D0.g -> P0.f
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// D0.g -> D0
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// Escapes:
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// ----- Passive -----
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// PointsTo:
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// P0.f -> D0
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// RET.v@lue -> P0.f
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// RET.v@lue -> D0
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// RET.v@lue -> D0.g
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// D0.g -> P0.f
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// D0.g -> D0
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// D0.g -> D2
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// D1 -> D0
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// D2 -> D0
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// Escapes: D1 D2
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fun foo(a: A): F {
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a.f = F("zzz")
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a.f.g = a.f
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return a.f.g.g
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}
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fun box(): String {
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// When uncommented, execution of the following line would fall into infinite recursion
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// foo(A()).s
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return "OK"
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} |