K1: implement warning for upper bound violated in type alias constructors

Partially implements KT-47473
This commit is contained in:
Mikhail Glukhikh
2022-09-14 16:59:37 +02:00
committed by Space
parent b314672130
commit fb9b1ad0dc
17 changed files with 108 additions and 24 deletions
@@ -31,7 +31,7 @@ fun main1(x: <!UPPER_BOUND_VIOLATED_IN_TYPEALIAS_EXPANSION!>A<Int?><!>) {}
fun main2(x: A2<Int?>) {}
fun main3(x: <!UPPER_BOUND_VIOLATED_IN_TYPEALIAS_EXPANSION!>A3<Int?><!>) {}
fun main3() {
val x = <!UPPER_BOUND_VIOLATED!>A3<Int?>()<!> // TODO: support reporting errors on typealias constructor calls
val x = <!UPPER_BOUND_VIOLATED!>A3<Int?>()<!>
val x2 = <!UPPER_BOUND_VIOLATED!>A<Int?>()<!>
val y: <!UPPER_BOUND_VIOLATED_IN_TYPEALIAS_EXPANSION!>A3<Int?><!> = <!UPPER_BOUND_VIOLATED!>A3<Int?>()<!>
}
@@ -31,7 +31,7 @@ fun main1(x: A<<!UPPER_BOUND_VIOLATED!>Int?<!>>) {}
fun main2(x: A2<<!UPPER_BOUND_VIOLATED!>Int?<!>>) {}
fun main3(x: <!UPPER_BOUND_VIOLATED_IN_TYPEALIAS_EXPANSION!>A3<Int?><!>) {}
fun main3() {
val x = A3<Int?>() // TODO: support reporting errors on typealias constructor calls
val x = A3<<!UPPER_BOUND_VIOLATED_WARNING!>Int?<!>>()
val x2 = A<<!UPPER_BOUND_VIOLATED!>Int?<!>>()
val y: <!UPPER_BOUND_VIOLATED_IN_TYPEALIAS_EXPANSION!>A3<Int?><!> = A3<Int?>()
val y: <!UPPER_BOUND_VIOLATED_IN_TYPEALIAS_EXPANSION!>A3<Int?><!> = A3<<!UPPER_BOUND_VIOLATED_WARNING!>Int?<!>>()
}
@@ -4,7 +4,3 @@ typealias AliasOfNumList<A3> = NumList<A3>
val falseUpperBoundViolation = AliasOfNumList<Int>() // Shouldn't be error
val missedUpperBoundViolation = <!UPPER_BOUND_VIOLATED!>NumList<Any>()<!> // Should be error
class Base<T : List<CharSequence>>
typealias Alias<T> = Base<List<T>>
val a = <!UPPER_BOUND_VIOLATED!>Alias<Any>()<!> // Also should be error
@@ -2,9 +2,5 @@ class NumColl<T : Collection<Number>>
typealias NumList<T2> = NumColl<List<T2>>
typealias AliasOfNumList<A3> = NumList<A3>
val falseUpperBoundViolation = AliasOfNumList<<!UPPER_BOUND_VIOLATED!>Int<!>>() // Shouldn't be error
val missedUpperBoundViolation = NumList<Any>() // Should be error
class Base<T : List<CharSequence>>
typealias Alias<T> = Base<List<T>>
val a = Alias<Any>() // Also should be error
val falseUpperBoundViolation = AliasOfNumList<<!UPPER_BOUND_VIOLATED("Collection<Number>; Int")!>Int<!>>() // Shouldn't be error
val missedUpperBoundViolation = NumList<<!UPPER_BOUND_VIOLATED_WARNING("Collection<Number>; List<Any>")!>Any<!>>() // Should be error
@@ -1,22 +1,14 @@
package
public val a: Alias<kotlin.Any> /* = Base<kotlin.collections.List<kotlin.Any>> */
public val falseUpperBoundViolation: AliasOfNumList<kotlin.Int> /* = NumColl<kotlin.collections.List<kotlin.Int>> */
public val missedUpperBoundViolation: NumList<kotlin.Any> /* = NumColl<kotlin.collections.List<kotlin.Any>> */
public final class Base</*0*/ T : kotlin.collections.List<kotlin.CharSequence>> {
public constructor Base</*0*/ T : kotlin.collections.List<kotlin.CharSequence>>()
public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
}
public final class NumColl</*0*/ T : kotlin.collections.Collection<kotlin.Number>> {
public constructor NumColl</*0*/ T : kotlin.collections.Collection<kotlin.Number>>()
public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
}
public typealias Alias</*0*/ T> = Base<kotlin.collections.List<T>>
public typealias AliasOfNumList</*0*/ A3> = NumList<A3>
public typealias NumList</*0*/ T2> = NumColl<kotlin.collections.List<T2>>
@@ -0,0 +1,3 @@
/upperBoundViolated2.kt:4:15: warning: type argument is not within its bounds: 'List<Any>' should be subtype of 'List<CharSequence>'. This warning will become an error in K2
val a = Alias<Any>() // Also should be error
^
@@ -0,0 +1,4 @@
// !RENDER_DIAGNOSTICS_FULL_TEXT
class Base<T : List<CharSequence>>
typealias Alias<T> = Base<List<T>>
val a = <!UPPER_BOUND_VIOLATED!>Alias<Any>()<!> // Also should be error
@@ -0,0 +1,4 @@
// !RENDER_DIAGNOSTICS_FULL_TEXT
class Base<T : List<CharSequence>>
typealias Alias<T> = Base<List<T>>
val a = Alias<<!UPPER_BOUND_VIOLATED_WARNING("List<CharSequence>; List<Any>")!>Any<!>>() // Also should be error
@@ -0,0 +1,11 @@
package
public val a: Alias<kotlin.Any> /* = Base<kotlin.collections.List<kotlin.Any>> */
public final class Base</*0*/ T : kotlin.collections.List<kotlin.CharSequence>> {
public constructor Base</*0*/ T : kotlin.collections.List<kotlin.CharSequence>>()
public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
}
public typealias Alias</*0*/ T> = Base<kotlin.collections.List<T>>