Support loading Java records

^KT-43677 In Progress

compiler/testData/diagnostics/testsWithJava15/simpleRecords.kt

@@ -0,0 +1,16 @@
+// FILE: MyRecord.java
+public record MyRecord(int x, CharSequence y) {
+
+}
+
+// FILE: main.kt
+
+fun foo(mr: MyRecord) {
+    MyRecord(1, "")
+
+    mr.x()
+    mr.y()
+
+    mr.x
+    mr.y
+}

compiler/testData/diagnostics/testsWithJava15/simpleRecords.txt

@@ -0,0 +1,12 @@
+package
+
+public fun foo(/*0*/ mr: MyRecord): kotlin.Unit
+
+/*record*/ public final class MyRecord : java.lang.Record {
+    public constructor MyRecord(/*0*/ x: kotlin.Int, /*1*/ y: kotlin.CharSequence!)
+    public abstract override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+    public abstract override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
+    public abstract override /*1*/ /*fake_override*/ fun toString(): kotlin.String
+    /*record component*/ public open fun x(): kotlin.Int
+    /*record component*/ public open fun y(): kotlin.CharSequence!
+}

compiler/testData/loadJava15/GenericRecord.compiled.psi.txt

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+package test
+
+public final class GenericRecord</*0*/ T : kotlin.Any!, /*1*/ E : kotlin.Any!> : java.lang.Record {
+    public constructor GenericRecord</*0*/ T : kotlin.Any!, /*1*/ E : kotlin.Any!>(/*0*/ x: T!, /*1*/ y: E!)
+    private final val x: T!
+    private final val y: E!
+    public open fun x(): T!
+    public open fun y(): E!
+    public open fun y(/*0*/ p0: E!): E!
+    public open fun z(): kotlin.Double
+}

compiler/testData/loadJava15/GenericRecord.compiled.txt

@@ -0,0 +1,11 @@
+package test
+
+/*record*/ public final class GenericRecord</*0*/ T : kotlin.Any!, /*1*/ E : kotlin.Any!> : java.lang.Record {
+    public constructor GenericRecord</*0*/ T : kotlin.Any!, /*1*/ E : kotlin.Any!>(/*0*/ x: T!, /*1*/ y: E!)
+    private final val x: T!
+    private final val y: E!
+    /*record component*/ public open fun x(): T!
+    /*record component*/ public open fun y(): E!
+    public open fun y(/*0*/ p0: E!): E!
+    public open fun z(): kotlin.Double
+}

compiler/testData/loadJava15/GenericRecord.java

@@ -0,0 +1,6 @@
+package test;
+public record GenericRecord<T, E>(T x, E y) {
+    public E y() { return y; }
+    public E y(E n) { return y; }
+    public double z() { return 0.0; }
+}

compiler/testData/loadJava15/GenericRecord.txt

@@ -0,0 +1,9 @@
+package test
+
+/*record*/ public final class GenericRecord</*0*/ T : kotlin.Any!, /*1*/ E : kotlin.Any!> : java.lang.Record {
+    public constructor GenericRecord</*0*/ T : kotlin.Any!, /*1*/ E : kotlin.Any!>(/*0*/ x: T!, /*1*/ y: E!)
+    /*record component*/ public open fun x(): T!
+    /*record component*/ public open fun y(): E!
+    public open fun y(/*0*/ n: E!): E!
+    public open fun z(): kotlin.Double
+}

compiler/testData/loadJava15/SimpleRecord.compiled.psi.txt

@@ -0,0 +1,11 @@
+package test
+
+public final class SimpleRecord : java.lang.Record {
+    public constructor SimpleRecord(/*0*/ x: kotlin.Int, /*1*/ y: kotlin.CharSequence!)
+    private final val x: kotlin.Int
+    private final val y: kotlin.CharSequence!
+    public open fun x(): kotlin.Int
+    public open fun y(): kotlin.CharSequence!
+    public open fun y(/*0*/ p0: kotlin.Int): kotlin.CharSequence!
+    public open fun z(): kotlin.Double
+}

compiler/testData/loadJava15/SimpleRecord.compiled.txt

@@ -0,0 +1,11 @@
+package test
+
+/*record*/ public final class SimpleRecord : java.lang.Record {
+    public constructor SimpleRecord(/*0*/ x: kotlin.Int, /*1*/ y: kotlin.CharSequence!)
+    private final val x: kotlin.Int
+    private final val y: kotlin.CharSequence!
+    /*record component*/ public open fun x(): kotlin.Int
+    /*record component*/ public open fun y(): kotlin.CharSequence!
+    public open fun y(/*0*/ p0: kotlin.Int): kotlin.CharSequence!
+    public open fun z(): kotlin.Double
+}

compiler/testData/loadJava15/SimpleRecord.java

@@ -0,0 +1,6 @@
+package test;
+public record SimpleRecord(int x, CharSequence y) {
+    public CharSequence y() { return y; }
+    public CharSequence y(int n) { return y; }
+    public double z() { return 0.0; }
+}

compiler/testData/loadJava15/SimpleRecord.txt

@@ -0,0 +1,9 @@
+package test
+
+/*record*/ public final class SimpleRecord : java.lang.Record {
+    public constructor SimpleRecord(/*0*/ x: kotlin.Int, /*1*/ y: kotlin.CharSequence!)
+    /*record component*/ public open fun x(): kotlin.Int
+    /*record component*/ public open fun y(): kotlin.CharSequence!
+    public open fun y(/*0*/ n: kotlin.Int): kotlin.CharSequence!
+    public open fun z(): kotlin.Double
+}