Support destructuring declarations in scripts and REPL

#KT-5620 In Progress
 #KT-15810 In Progress

compiler/testData/diagnostics/tests/script/destructuringDeclarationsScript.kts

@@ -0,0 +1,16 @@
+val (a1, a2) = A()
+val (b1: Int, b2: Int) = <!COMPONENT_FUNCTION_RETURN_TYPE_MISMATCH!>A()<!>
+val (c1) = <!UNRESOLVED_REFERENCE!>unresolved<!>
+
+<!WRONG_MODIFIER_TARGET!>private<!> val (d1) = A()
+
+val (e1, _) = A()
+
+a1
+a2
+e1
+
+class A {
+    operator fun component1() = 1
+    operator fun component2() = ""
+}

compiler/testData/diagnostics/tests/script/destructuringDeclarationsScript.txt

@@ -0,0 +1,18 @@
+package
+
+public final class DestructuringDeclarationsScript : kotlin.script.templates.standard.ScriptTemplateWithArgs {
+    public constructor DestructuringDeclarationsScript(/*0*/ args: kotlin.Array<kotlin.String>)
+    public final override /*1*/ /*fake_override*/ val args: kotlin.Array<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 A {
+        public constructor A()
+        public final operator fun component1(): kotlin.Int
+        public final operator fun component2(): 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/script/resolveInitializerOfDestructuringDeclarationOnce.kts

@@ -0,0 +1,7 @@
+val (a, b, c) = A(<!NO_VALUE_FOR_PARAMETER!>)<!>
+
+class A(val a: Int) {
+    operator fun component1() {}
+    operator fun component2() {}
+    operator fun component3() {}
+}

compiler/testData/diagnostics/tests/script/resolveInitializerOfDestructuringDeclarationOnce.txt

@@ -0,0 +1,20 @@
+package
+
+public final class ResolveInitializerOfDestructuringDeclarationOnce : kotlin.script.templates.standard.ScriptTemplateWithArgs {
+    public constructor ResolveInitializerOfDestructuringDeclarationOnce(/*0*/ args: kotlin.Array<kotlin.String>)
+    public final override /*1*/ /*fake_override*/ val args: kotlin.Array<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 A {
+        public constructor A(/*0*/ a: kotlin.Int)
+        public final val a: kotlin.Int
+        public final operator fun component1(): kotlin.Unit
+        public final operator fun component2(): kotlin.Unit
+        public final operator fun component3(): kotlin.Unit
+        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
+    }
+}