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50ea67ba13
@platformName is now supported for final non-overriding class member functions (including property accessors). Front-end provides diagnostics for inapplicable annotation cases. Code generation updated: - ignore kotlin.platform.platformName annotation for Java class methods; - bridges generation generates proper JVM declarations in case of methods renamed with @platformName. @platformName-related tests added. #KT-5524 Fixed
122 lines
3.9 KiB
Kotlin
Vendored
122 lines
3.9 KiB
Kotlin
Vendored
import kotlin.platform.*
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// See:
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// http://kotlinlang.org/docs/reference/java-interop.html#handling-signature-clashes-with-platformname
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// https://youtrack.jetbrains.com/issue/KT-5524
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val strs = listOf("abc", "def")
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val ints = listOf(1, 2, 3)
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class C {
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// Instance methods
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@platformName("instMethodStr")
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fun instMethod(list: List<String>): String = "instMethodStr"
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@platformName("instMethodInt")
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fun instMethod(list: List<Int>): String = "instMethodInt"
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// Properties
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var rwProperty: Int
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@platformName("get_rwProperty")
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get() = 123
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@platformName("set_rwProperty")
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set(v) {}
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var rwValue = 111
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fun getRwProperty(): Int = rwValue
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fun setRwProperty(v: Int) {
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rwValue = v
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}
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// Extension methods
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class Inner
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@platformName("extMethodWithGenericParamStr")
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fun Inner.extMethodWithGenericParam(list: List<String>): String = "extMethodWithGenericParamStr"
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@platformName("extMethodWithGenericParamInt")
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fun Inner.extMethodWithGenericParam(list: List<Int>): String = "extMethodWithGenericParamInt"
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// This is already covered by extMethodWithGenericParam(), but might be relevant for a platform
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// with extension method code generation strategy different from Java 6.
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@platformName("extMethodWithGenericReceiverStr")
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fun List<String>.extMethodWithGenericReceiver(): String = "extMethodWithGenericReceiverStr"
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@platformName("extMethodWithGenericReceiverInt")
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fun List<Int>.extMethodWithGenericReceiver(): String = "extMethodWithGenericReceiverInt"
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// Extension method vs instance method
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@platformName("ambigMethod1")
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fun ambigMethod(str: String): String = "ambigMethod1"
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@platformName("ambigMethod2")
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fun String.ambigMethod(): String = "ambigMethod2"
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}
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fun box(): String {
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val c = C()
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// Instance methods:
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// method signatures with erased types SHOULD NOT clash
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val test1 = c.instMethod(strs)
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if (test1 != "instMethodStr") return "Fail: c.instMethod(strs)==$test1"
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val test2 = c.instMethod(ints)
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if (test2 != "instMethodInt") return "Fail: c.instMethod(ints)==$test2"
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// Properties:
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// property accessors SHOULD NOT clash with class methods
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val test3 = c.rwProperty
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if (test3 != 123) return "Fail: c.rwProperty==$test3"
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val test3a = c.getRwProperty()
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if (test3a != 111) return "Fail: c.getRwProperty()==$test3a"
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c.setRwProperty(444)
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val test3b = c.rwProperty
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if (test3b != 123) return "Fail: c.rwProperty==$test3b after c.setRwProperty(1234)"
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val test3c = c.getRwProperty()
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if (test3c != 444) return "Fail: c.getRwProperty()==$test3c after c.setRwProperty(1234)"
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// Extension methods:
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// method signatures with erased types SHOULD NOT clash
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val test4 = with(c) { C.Inner().extMethodWithGenericParam(strs) }
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if (test4 != "extMethodWithGenericParamStr") return "Fail: with(c) { C.Inner().extMethodWithGenericParam(strs) }==$test4"
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val test5 = with(c) { C.Inner().extMethodWithGenericParam(ints) }
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if (test5 != "extMethodWithGenericParamInt") return "Fail: with(c) { C.Inner().extMethodWithGenericParam(ints) }==$test5"
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val test6 = with(c) { strs.extMethodWithGenericReceiver() }
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if (test6 != "extMethodWithGenericReceiverStr") return "Fail: with(c) { strs.extMethodWithGenericReceiver() }==$test6"
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val test7 = with(c) { ints.extMethodWithGenericReceiver() }
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if (test7 != "extMethodWithGenericReceiverInt") return "Fail: with(c) { ints.extMethodWithGenericReceiver() }==$test7"
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// Extension method SHOULD NOT clash with instance method with the same Java signature.
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val str = "abc"
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val test8 = with(c) { ambigMethod(str) }
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if (test8 != "ambigMethod1") return "Fail: with(c) { ambigMethod(str) }==$test8"
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val test9 = with(c) { str.ambigMethod() }
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if (test9 != "ambigMethod2") return "Fail: with(c) { str.ambigMethod() }==$test9"
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// Everything is fine.
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return "OK"
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}
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