[FIR] KT-59368 context receiver subtyping checker

2023-11-29 16:52:01 +01:00
parent 3d77d09260
commit d7eb67a436
17 changed files with 181 additions and 268 deletions
@@ -1,221 +0,0 @@
-// !DIAGNOSTICS: -UNCHECKED_CAST
-// !LANGUAGE: +ContextReceivers
-
-interface A
-interface B : A
-typealias C = B
-
-interface Inv<T>
-interface Cov<out T>
-
-// Functions
-
-context(A, A)
-fun f1() {}
-
-context(A, B)
-fun f2() {}
-
-context(A, C)
-fun f3() {}
-
-context(B, C)
-fun f4() {}
-
-context(C, C)
-fun f5() {}
-
-context(A, A, A)
-fun f6() {}
-
-context(Inv<A>, Inv<B>)
-fun f7() {}
-
-context(Inv<A>, Inv<A>)
-fun f8() {}
-
-context(Inv<T>, Inv<A>)
-fun <T> f9() {}
-
-context(Cov<A>, Cov<B>)
-fun f10() {}
-
-context(Cov<T>, Cov<A>)
-fun <T> f11() {}
-
-context(T, A)
-fun <T> f12() {}
-
-// Classes
-
-context(A, A)
-class C1 {
-    context(A, A)
-    val p: Any get() = 42
-
-    context(A, A)
-    fun m() {}
-}
-
-context(A, B)
-class C2 {
-    context(A, B)
-    val p: Any get() = 42
-
-    context(A, B)
-    fun m() {}
-}
-
-context(A, C)
-class C3  {
-    context(A, C)
-    val p: Any get() = 42
-
-    context(A, C)
-    fun m() {}
-}
-
-context(B, C)
-class C4 {
-    context(B, C)
-    val p: Any get() = 42
-
-    context(B, C)
-    fun m() {}
-}
-
-context(C, C)
-class C5 {
-    context(C, C)
-    val p: Any get() = 42
-
-    context(C, C)
-    fun m() {}
-}
-
-context(A, A, A)
-class C6 {
-    context(A, A, A)
-    val p: Any get() = 42
-
-    context(A, A, A)
-    fun m() {}
-}
-
-context(Inv<A>, Inv<B>)
-class C7 {
-    context(Inv<A>, Inv<B>)
-    val p: Any get() = 42
-
-    context(Inv<A>, Inv<B>)
-    fun m() {}
-}
-
-context(Inv<A>, Inv<A>)
-class C8 {
-    context(Inv<A>, Inv<A>)
-    val p: Any get() = 42
-
-    context(Inv<A>, Inv<A>)
-    fun m() {}
-}
-
-context(Inv<T>, Inv<A>)
-class C9<T> {
-    context(Inv<T>, Inv<A>)
-    val p: Any get() = 42
-
-    context(Inv<T>, Inv<A>)
-    fun m() {}
-}
-
-context(Cov<A>, Cov<B>)
-class C10 {
-    context(Cov<A>, Cov<B>)
-    val p: Any get() = 42
-
-    context(Cov<A>, Cov<B>)
-    fun m() {}
-}
-
-context(Cov<T>, Cov<A>)
-class C11<T> {
-    context(Cov<T>, Cov<A>)
-    val p: Any get() = 42
-
-    context(Cov<T>, Cov<A>)
-    fun m() {}
-}
-
-context(T, A)
-class C12<T> {
-    context(T, A)
-    val p: Any get() = 42
-
-    context(T, A)
-    fun m() {}
-}
-
-// Properties
-
-context(A, A)
-val p1: Any?
-    get() { return null }
-
-context(A, B)
-val p2: Any?
-    get() { return null }
-
-context(A, C)
-val p3: Any?
-    get() { return null }
-
-context(B, C)
-val p4: Any?
-    get() { return null }
-
-context(C, C)
-val p5: Any?
-    get() { return null }
-
-context(A, A, A)
-val p6: Any?
-    get() { return null }
-
-context(Inv<A>, Inv<B>)
-val p7: Any?
-    get() { return null }
-
-context(Inv<A>, Inv<A>)
-val p8: Any?
-    get() { return null }
-
-context(Inv<T>, Inv<A>)
-val <T> p9: Any?
-    get() { return null }
-
-context(Cov<A>, Cov<B>)
-val p10: Any?
-    get() { return null }
-
-context(Cov<T>, Cov<A>)
-val <T> p11: Any?
-    get() { return null }
-
-context(T, A)
-val <T> p12: Any?
-    get() { return null }
-
-// Function types
-
-// Function types are processed with the same function that is used for checking contextual declarations
-// So we check here only one simple case: `context(A, B)`
-
-context(A, B)
-fun f(g: context(A, B) () -> Unit, value: Any): context(A, B) () -> Unit {
-    return value as (context(A, B) () -> Unit)
-}
-
-fun test() {
-    val lf: context(A, B) () -> Unit = { }
-}
@@ -1,3 +1,4 @@
+// FIR_IDENTICAL
 // !DIAGNOSTICS: -UNCHECKED_CAST
 // !LANGUAGE: +ContextReceivers

@@ -1,8 +1,8 @@
 // !DIAGNOSTICS: -UNCHECKED_CAST

 <!UNSUPPORTED_FEATURE!>context(Any)<!>
-fun f(g: <!UNSUPPORTED_FEATURE!>context(Any) () -> Unit<!>, value: Any): <!UNSUPPORTED_FEATURE!>context(A) () -> Unit<!> {
-    return value as <!UNSUPPORTED_FEATURE!>(context(A) () -> Unit)<!>
+fun f(g: <!UNSUPPORTED_FEATURE!>context(Any)<!> () -> Unit, value: Any): <!UNSUPPORTED_FEATURE!>context(A)<!> () -> Unit {
+    return value as (<!UNSUPPORTED_FEATURE!>context(A)<!> () -> Unit)
 }

 fun f(g: () -> Unit, value: Any) : () -> Unit {