Move Sam(TypeAlias)ConstructorDescriptor to core

core/descriptors/src/org/jetbrains/kotlin/resolve/sam/SamConstructorDescriptor.kt

@@ -0,0 +1,37 @@
+/*
+ * Copyright 2010-2020 JetBrains s.r.o. and Kotlin Programming Language contributors.
+ * Use of this source code is governed by the Apache 2.0 license that can be found in the license/LICENSE.txt file.
+ */
+
+package org.jetbrains.kotlin.resolve.sam
+
+import org.jetbrains.kotlin.descriptors.CallableMemberDescriptor
+import org.jetbrains.kotlin.descriptors.ClassDescriptor
+import org.jetbrains.kotlin.descriptors.DeclarationDescriptor
+import org.jetbrains.kotlin.descriptors.SimpleFunctionDescriptor
+import org.jetbrains.kotlin.descriptors.impl.SimpleFunctionDescriptorImpl
+import org.jetbrains.kotlin.descriptors.synthetic.FunctionInterfaceConstructorDescriptor
+import org.jetbrains.kotlin.resolve.scopes.DescriptorKindExclude
+
+interface SamConstructorDescriptor : SimpleFunctionDescriptor, FunctionInterfaceConstructorDescriptor
+
+class SamConstructorDescriptorImpl(
+    containingDeclaration: DeclarationDescriptor,
+    private val samInterface: ClassDescriptor
+) : SimpleFunctionDescriptorImpl(
+    containingDeclaration,
+    null,
+    samInterface.annotations,
+    samInterface.name,
+    CallableMemberDescriptor.Kind.SYNTHESIZED,
+    samInterface.source
+), SamConstructorDescriptor {
+    override val baseDescriptorForSynthetic: ClassDescriptor
+        get() = samInterface
+}
+
+object SamConstructorDescriptorKindExclude : DescriptorKindExclude() {
+    override fun excludes(descriptor: DeclarationDescriptor) = descriptor is SamConstructorDescriptor
+
+    override val fullyExcludedDescriptorKinds: Int get() = 0
+}

core/descriptors/src/org/jetbrains/kotlin/resolve/sam/SamTypeAliasConstructorDescriptor.kt

@@ -0,0 +1,31 @@
+/*
+ * Copyright 2010-2020 JetBrains s.r.o. and Kotlin Programming Language contributors.
+ * Use of this source code is governed by the Apache 2.0 license that can be found in the license/LICENSE.txt file.
+ */
+
+package org.jetbrains.kotlin.resolve.sam
+
+import org.jetbrains.kotlin.descriptors.*
+import org.jetbrains.kotlin.descriptors.impl.SimpleFunctionDescriptorImpl
+
+interface SamTypeAliasConstructorDescriptor : SamConstructorDescriptor, DeclarationDescriptorWithNavigationSubstitute {
+    val typeAliasDescriptor: TypeAliasDescriptor
+
+    override val substitute: DeclarationDescriptor
+        get() = typeAliasDescriptor
+}
+
+class SamTypeAliasConstructorDescriptorImpl(
+    override val typeAliasDescriptor: TypeAliasDescriptor,
+    private val samInterfaceConstructorDescriptor: SamConstructorDescriptor
+) : SimpleFunctionDescriptorImpl(
+        typeAliasDescriptor.containingDeclaration,
+        null,
+        samInterfaceConstructorDescriptor.baseDescriptorForSynthetic.annotations,
+        typeAliasDescriptor.name,
+        CallableMemberDescriptor.Kind.SYNTHESIZED,
+        typeAliasDescriptor.source
+), SamTypeAliasConstructorDescriptor {
+    override val baseDescriptorForSynthetic: ClassDescriptor
+        get() = samInterfaceConstructorDescriptor.baseDescriptorForSynthetic
+}