Support generic constructors defined in Java

#KT-10686 Fixed
 #KT-10410 Fixed

compiler/testData/diagnostics/tests/j+k/genericConstructor/classTypeParameterInferredFromArgument.kt

@@ -0,0 +1,16 @@
+// !CHECK_TYPE
+// FILE: A.java
+
+public class A<E> {
+    public <T extends E> A(E x, java.util.List<T> y) {}
+}
+
+// FILE: main.kt
+
+fun test(x: List<Int>, y: List<String>) {
+    A("", x) checkType { _<A<Any?>>() }
+    A("", y) checkType { _<A<String?>>() }
+
+    A<CharSequence, String>("", <!TYPE_MISMATCH!>x<!>)
+    A<CharSequence, String>("", y)
+}

compiler/testData/diagnostics/tests/j+k/genericConstructor/classTypeParameterInferredFromArgument.txt

@@ -0,0 +1,10 @@
+package
+
+public fun test(/*0*/ x: kotlin.collections.List<kotlin.Int>, /*1*/ y: kotlin.collections.List<kotlin.String>): kotlin.Unit
+
+public open class A</*0*/ E : kotlin.Any!> {
+    public constructor A</*0*/ E : kotlin.Any!, /*1*/ T : E!>(/*0*/ x: E!, /*1*/ y: kotlin.collections.(Mutable)List<T!>!)
+    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
+}

compiler/testData/diagnostics/tests/j+k/genericConstructor/innerClass.kt

@@ -0,0 +1,17 @@
+// !CHECK_TYPE
+// FILE: Outer.java
+
+public class Outer<T> {
+    public class Inner<E> {
+        public <F extends E, G extends T> Inner(E x, java.util.List<F> y, G z) {}
+    }
+}
+
+// FILE: main.kt
+fun test(x: List<Int>, y: List<String>) {
+    Outer<Int>().Inner("", y, 1) checkType { _<Outer<Int>.Inner<String>>() }
+    Outer<Int>().Inner<CharSequence, String, Int>("", y, 1) checkType { _<Outer<Int>.Inner<CharSequence>>() }
+
+    Outer<Int>().Inner("", x, 1) checkType { _<Outer<Int>.Inner<Any>>() }
+    Outer<Int>().Inner<CharSequence, String, Int>("", <!TYPE_MISMATCH!>x<!>, 1)
+}

compiler/testData/diagnostics/tests/j+k/genericConstructor/innerClass.txt

@@ -0,0 +1,17 @@
+package
+
+public fun test(/*0*/ x: kotlin.collections.List<kotlin.Int>, /*1*/ y: kotlin.collections.List<kotlin.String>): kotlin.Unit
+
+public open class Outer</*0*/ T : kotlin.Any!> {
+    public constructor Outer</*0*/ T : kotlin.Any!>()
+    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 open inner class Inner</*0*/ E : kotlin.Any!> /*captured type parameters: /*1*/ T : kotlin.Any!*/ {
+        public constructor Inner</*0*/ E : kotlin.Any!, /*1*/ F : E!, /*2*/ G : T!>(/*0*/ x: E!, /*1*/ y: kotlin.collections.(Mutable)List<F!>!, /*2*/ z: G!)
+        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
+    }
+}

compiler/testData/diagnostics/tests/j+k/genericConstructor/noClassTypeParameters.kt

@@ -0,0 +1,18 @@
+// FILE: A.java
+
+public class A {
+    public <T> A(T x, java.util.List<T> y) {}
+}
+
+// FILE: main.kt
+
+fun test(x: List<Int>, y: List<String>) {
+    A("", x) // inferred as Any!
+    A("", y)
+
+    A<String>("", <!TYPE_MISMATCH!>x<!>)
+
+    A<Any>("", x)
+    A<String>("", y)
+    A<CharSequence>("", y)
+}

compiler/testData/diagnostics/tests/j+k/genericConstructor/noClassTypeParameters.txt

@@ -0,0 +1,10 @@
+package
+
+public fun test(/*0*/ x: kotlin.collections.List<kotlin.Int>, /*1*/ y: kotlin.collections.List<kotlin.String>): kotlin.Unit
+
+public open class A {
+    public constructor A</*0*/ T : kotlin.Any!>(/*0*/ x: T!, /*1*/ y: kotlin.collections.(Mutable)List<T!>!)
+    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
+}

compiler/testData/diagnostics/tests/j+k/genericConstructor/noClassTypeParametersInvParameter.kt

@@ -0,0 +1,20 @@
+// FILE: A.java
+
+public class A {
+    public <T> A(T x, Inv<T> y) {}
+}
+
+// FILE: main.kt
+
+class Inv<T>
+
+fun test(x: Inv<Int>, y: Inv<String>) {
+    <!TYPE_INFERENCE_CONFLICTING_SUBSTITUTIONS!>A<!>("", x)
+    A("", y)
+
+    A<String>("", <!TYPE_MISMATCH!>x<!>)
+
+    A<Any>("", <!TYPE_MISMATCH!>x<!>)
+    A<String>("", y)
+    A<CharSequence>("", <!TYPE_MISMATCH!>y<!>)
+}

compiler/testData/diagnostics/tests/j+k/genericConstructor/noClassTypeParametersInvParameter.txt

@@ -0,0 +1,17 @@
+package
+
+public fun test(/*0*/ x: Inv<kotlin.Int>, /*1*/ y: Inv<kotlin.String>): kotlin.Unit
+
+public open class A {
+    public constructor A</*0*/ T : kotlin.Any!>(/*0*/ x: T!, /*1*/ y: Inv<T!>!)
+    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 Inv</*0*/ T> {
+    public constructor Inv</*0*/ T>()
+    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
+}

compiler/testData/diagnostics/tests/j+k/genericConstructor/recursive.kt

@@ -0,0 +1,11 @@
+// FILE: C.java
+
+// See KT-10410
+public class C {
+    public <T extends T> C(T t) {
+    }
+}
+
+// FILE: main.kt
+
+fun foo() = <!TYPE_INFERENCE_NO_INFORMATION_FOR_PARAMETER!>C<!>(<!NO_VALUE_FOR_PARAMETER!>)<!>

compiler/testData/diagnostics/tests/j+k/genericConstructor/recursive.txt

@@ -0,0 +1,10 @@
+package
+
+public fun foo(): C
+
+public open class C {
+    public constructor C</*0*/ T : [ERROR : Cyclic upper bounds]>(/*0*/ t: T!)
+    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
+}

compiler/testData/diagnostics/tests/j+k/genericConstructor/selfTypes.kt

@@ -0,0 +1,19 @@
+// !DIAGNOSTICS: -UNUSED_VARIABLE
+// FILE: R.java
+public class R<T extends R<T>> {
+    public <F extends R<F>> R(F x) {
+    }
+}
+
+// FILE: RImpl.java
+public class RImpl extends R<RImpl> {
+    public RImpl() {
+        <RImpl>super(null);
+    }
+}
+
+// FILE: main.kt
+fun test() {
+    val x: R<RImpl> = R(RImpl())
+    R<RImpl, RImpl>(RImpl())
+}

compiler/testData/diagnostics/tests/j+k/genericConstructor/selfTypes.txt

@@ -0,0 +1,17 @@
+package
+
+public fun test(): kotlin.Unit
+
+public open class R</*0*/ T : R<T!>!> {
+    public constructor R</*0*/ T : R<T!>!, /*1*/ F : R<F!>!>(/*0*/ x: F!)
+    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 open class RImpl : R<RImpl!> {
+    public constructor RImpl()
+    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
+}

compiler/testData/diagnostics/tests/j+k/genericConstructor/superCall.kt

@@ -0,0 +1,17 @@
+// !DIAGNOSTICS: -UNUSED_PARAMETER
+// !CHECK_TYPE
+// FILE: A.java
+
+public class A<E> {
+    public <T extends E> A(E x, java.util.List<T> y) {}
+}
+
+// FILE: main.kt
+
+class B1(x: List<String>) : A<!WRONG_NUMBER_OF_TYPE_ARGUMENTS!><CharSequence><!>("", x)
+class B2(x: List<Int>) : A<!WRONG_NUMBER_OF_TYPE_ARGUMENTS!><CharSequence><!>("", x)
+
+class C : A<CharSequence> {
+    constructor(x: List<String>) : super("", <!TYPE_MISMATCH(kotlin.collections.\(Mutable\)List<T!>!; kotlin.collections.List<kotlin.String>)!>x<!>)
+    constructor(x: List<Int>, y: Int) : super("", <!TYPE_MISMATCH!>x<!>)
+}

compiler/testData/diagnostics/tests/j+k/genericConstructor/superCall.txt

@@ -0,0 +1,30 @@
+package
+
+public open class A</*0*/ E : kotlin.Any!> {
+    public constructor A</*0*/ E : kotlin.Any!, /*1*/ T : E!>(/*0*/ x: E!, /*1*/ y: kotlin.collections.(Mutable)List<T!>!)
+    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 B1 : A<kotlin.CharSequence> {
+    public constructor B1(/*0*/ x: kotlin.collections.List<kotlin.String>)
+    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 B2 : A<kotlin.CharSequence> {
+    public constructor B2(/*0*/ x: kotlin.collections.List<kotlin.Int>)
+    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 C : A<kotlin.CharSequence> {
+    public constructor C(/*0*/ x: kotlin.collections.List<kotlin.Int>, /*1*/ y: kotlin.Int)
+    public constructor C(/*0*/ x: kotlin.collections.List<kotlin.String>)
+    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
+}

compiler/testData/diagnostics/tests/j+k/genericConstructor/withClassTypeParameters.kt

@@ -0,0 +1,19 @@
+// !DIAGNOSTICS: -UNUSED_VALUE -ASSIGNED_BUT_NEVER_ACCESSED_VARIABLE
+// FILE: A.java
+
+public class A<E> {
+    public <T> A(T x, java.util.List<T> y) {}
+}
+
+// FILE: main.kt
+
+fun test(x: List<Int>, y: List<String>) {
+    var z: A<Double> = A("", x) // E inferred from expected type
+    z = A("", y)
+
+    z = A<Double, String>("", <!TYPE_MISMATCH!>x<!>)
+
+    z = A<Double, Any>("", x)
+    z = A<Double, String>("", y)
+    z = A<Double, CharSequence>("", y)
+}

compiler/testData/diagnostics/tests/j+k/genericConstructor/withClassTypeParameters.txt

@@ -0,0 +1,10 @@
+package
+
+public fun test(/*0*/ x: kotlin.collections.List<kotlin.Int>, /*1*/ y: kotlin.collections.List<kotlin.String>): kotlin.Unit
+
+public open class A</*0*/ E : kotlin.Any!> {
+    public constructor A</*0*/ E : kotlin.Any!, /*1*/ T : kotlin.Any!>(/*0*/ x: T!, /*1*/ y: kotlin.collections.(Mutable)List<T!>!)
+    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
+}

compiler/testData/diagnostics/tests/j+k/genericConstructorWithMultipleBounds.kt

@@ -10,9 +10,8 @@ public class J {
 
 import java.io.Serializable
 
-// TODO: report TYPE_MISMATCH here as well
-fun cloneable(c: Cloneable) = J(c)
+fun cloneable(c: Cloneable) = <!TYPE_INFERENCE_UPPER_BOUND_VIOLATED!>J<!>(c)
 
-fun serializable(s: Serializable) = J(<!TYPE_MISMATCH!>s<!>)
+fun serializable(s: Serializable) = <!TYPE_INFERENCE_UPPER_BOUND_VIOLATED!>J<!>(s)
 
 fun <T> both(t: T) where T : Cloneable, T : Serializable = J(t)

compiler/testData/diagnostics/tests/j+k/genericConstructorWithMultipleBounds.txt

@@ -5,7 +5,7 @@ public fun cloneable(/*0*/ c: kotlin.Cloneable): J
 public fun serializable(/*0*/ s: java.io.Serializable): J
 
 public open class J {
-    public constructor J(/*0*/ t: kotlin.Cloneable!)
+    public constructor J</*0*/ T : kotlin.Cloneable!>(/*0*/ t: T!) where T : java.io.Serializable!
     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