add distinction between functions and methods in SIR #KT-65046 fixed

Merge-request: KT-MR-14667
Merged-by: Artem Olkov <artem.olkov@jetbrains.com>

native/swift/sir-compiler-bridge/test/org/jetbrains/kotlin/sir/bridge/AbstractKotlinSirBridgeTest.kt

@@ -6,6 +6,7 @@
 package org.jetbrains.kotlin.sir.bridge
 
 import com.intellij.testFramework.TestDataFile
+import org.jetbrains.kotlin.sir.SirCallableKind
 import org.jetbrains.kotlin.sir.SirNominalType
 import org.jetbrains.kotlin.sir.SirParameter
 import org.jetbrains.kotlin.sir.SirType
@@ -97,30 +98,34 @@ private fun readRequestFromFile(file: File): BridgeRequest {
             this.name = fqName.last()
             this.returnType = returnType
             this.parameters += parameters
-            this.isStatic = false
+            this.kind = SirCallableKind.FUNCTION
         }
         BridgeRequestKind.PROPERTY_GETTER -> {
-            val getter = buildGetter()
+            val getter = buildGetter {
+                this.kind = SirCallableKind.FUNCTION
+            }
 
             getter.parent = buildVariable {
                 this.name = fqName.last()
                 this.type = returnType
                 check(parameters.isEmpty())
-                this.isStatic = false
                 this.getter = getter
             }
 
             getter
         }
         BridgeRequestKind.PROPERTY_SETTER -> {
-            val setter = buildSetter()
+            val setter = buildSetter {
+                this.kind = SirCallableKind.FUNCTION
+            }
 
             setter.parent = buildVariable {
                 this.name = fqName.last()
                 this.type = returnType
                 check(parameters.isEmpty())
-                this.isStatic = false
-                this.getter = buildGetter()
+                this.getter = buildGetter {
+                    this.kind = SirCallableKind.FUNCTION
+                }
                 this.setter = setter
             }
 

native/swift/sir-passes/src/org/jetbrains/sir/passes/builder/SirFromPsiBuilder.kt

@@ -5,13 +5,13 @@
 
 package org.jetbrains.sir.passes.builder
 
+import com.sun.org.apache.xpath.internal.operations.Bool
 import org.jetbrains.kotlin.analysis.api.KtAnalysisSession
-import org.jetbrains.kotlin.analysis.api.symbols.KtClassKind
-import org.jetbrains.kotlin.analysis.api.symbols.KtNamedClassOrObjectSymbol
-import org.jetbrains.kotlin.analysis.api.symbols.KtFunctionSymbol
-import org.jetbrains.kotlin.analysis.api.symbols.KtSymbol
+import org.jetbrains.kotlin.analysis.api.symbols.*
+import org.jetbrains.kotlin.analysis.api.symbols.markers.KtSymbolKind
 import org.jetbrains.kotlin.analysis.api.types.KtType
 import org.jetbrains.kotlin.descriptors.Modality
+import org.jetbrains.kotlin.name.CallableId
 import org.jetbrains.kotlin.psi.*
 import org.jetbrains.kotlin.psi.psiUtil.isPublic
 import org.jetbrains.kotlin.sir.*
@@ -124,14 +124,7 @@ internal fun buildSirFunctionFromPsi(function: KtNamedFunction): SirFunction = b
     val callableId = symbol.callableIdIfNonLocal
     origin = KotlinSource(symbol)
 
-    // this check is not ideal. We assume that there will be no further moves of the declaration,
-    // especially that there will be no changes in "static" quality.
-    // That is not fully true. For example, during KT-65127
-    // we may end up removing the whole enum structure at top of the declaration, and that will
-    // lift the need to keep it static.
-    // this problem will be addressed somewhere in the future
-    val isRootPackage = callableId?.packageName?.isRoot
-    isStatic = if (isRootPackage == true) false else function.isTopLevel
+    kind = symbol.sirCallableKind
 
     name = callableId?.callableName?.asString() ?: "UNKNOWN_FUNCTION_NAME"
 
@@ -151,21 +144,18 @@ internal fun buildSirVariableFromPsi(variable: KtProperty): SirVariable = buildV
     val callableId = symbol.callableIdIfNonLocal
     origin = KotlinSource(symbol)
 
-    // this check is not ideal. We assume that there will be no further moves of the declaration,
-    // especially that there will be no changes in "static" quality.
-    // That is not fully true. For example, during KT-65127
-    // we may end up removing the whole enum structure at top of the declaration, and that will
-    // lift the need to keep it static.
-    // this problem will be addressed somewhere in the future
-    val isRootPackage = callableId?.packageName?.isRoot
-    isStatic = if (isRootPackage == true) false else variable.isTopLevel
+    val accessorKind = symbol.sirCallableKind
 
     name = callableId?.callableName?.asString() ?: "UNKNOWN_VARIABLE_NAME"
 
     type = buildSirNominalType(symbol.returnType)
 
-    getter = buildGetter {}
-    setter = if (variable.isVar) buildSetter {} else null
+    getter = buildGetter {
+        kind = accessorKind
+    }
+    setter = if (variable.isVar) buildSetter {
+        kind = accessorKind
+    } else null
 }.also {
     it.getter.parent = it
     it.setter?.parent = it
@@ -207,3 +197,19 @@ private fun KtNamedClassOrObjectSymbol.isConsumableBySirBuilder(): Boolean =
             && !isData
             && !isInline
             && modality == Modality.FINAL
+
+private val KtCallableSymbol.sirCallableKind: SirCallableKind
+    get() = when (symbolKind) {
+        KtSymbolKind.TOP_LEVEL -> {
+            val isRootPackage = callableIdIfNonLocal?.packageName?.isRoot
+            if (isRootPackage == true) {
+                SirCallableKind.FUNCTION
+            } else {
+                SirCallableKind.STATIC_METHOD
+            }
+        }
+        KtSymbolKind.CLASS_MEMBER, KtSymbolKind.ACCESSOR -> SirCallableKind.INSTANCE_METHOD
+        KtSymbolKind.LOCAL,
+        KtSymbolKind.SAM_CONSTRUCTOR ->
+            TODO("encountered callable kind($symbolKind) that is not translatable currently. Fix this crash during KT-65980.")
+    }

native/swift/sir-printer/src/org/jetbrains/sir/printer/SirAsSwiftSourcesPrinter.kt

@@ -56,8 +56,8 @@ public class SirAsSwiftSourcesPrinter(private val printer: SmartPrinter) : SirVi
 
     override fun visitVariable(variable: SirVariable): Unit = with(printer) {
         printVisibility(variable)
+        printCallableKind(variable.kind)
         print(
-            if (variable.isStatic) "static " else "",
             "var ",
             variable.name.swiftIdentifier,
             ": ",
@@ -96,12 +96,8 @@ public class SirAsSwiftSourcesPrinter(private val printer: SmartPrinter) : SirVi
     override fun visitFunction(function: SirFunction): Unit = with(printer) {
         function.documentation?.let { println(it) }
         printVisibility(function)
+        printCallableKind(function.kind)
         print(
-            if (function.isStatic) {
-                "static "
-            } else {
-                ""
-            },
             "func ",
             function.name.swiftIdentifier,
             "("
@@ -186,4 +182,15 @@ internal fun SmartPrinter.printVisibility(decl: SirDeclaration) {
     print(
         decl.visibility.takeIf { it != SirVisibility.INTERNAL }?.let { "${it.swift} " } ?: ""
     )
-}
+}
+
+internal fun SmartPrinter.printCallableKind(callableKind: SirCallableKind) {
+    print(
+        when (callableKind) {
+            SirCallableKind.FUNCTION -> ""
+            SirCallableKind.INSTANCE_METHOD -> ""
+            SirCallableKind.CLASS_METHOD -> "class "
+            SirCallableKind.STATIC_METHOD -> "static "
+        }
+    )
+}

native/swift/sir-printer/testData/class_function.golden.swift

@@ -0,0 +1,5 @@
+public class func foo(
+    arg1: Swift.Int32
+) -> Swift.Bool {
+    return foo_wrapped(arg1)
+}

native/swift/sir-printer/tests/org/jetbrains/kotlin/sir/printer/SirAsSwiftSourcesPrinterTests.kt

@@ -26,7 +26,7 @@ class SirAsSwiftSourcesPrinterTests {
             declarations.add(
                 buildFunction {
                     origin = SirOrigin.Unknown
-                    isStatic = false
+                    kind = SirCallableKind.FUNCTION
                     visibility = SirVisibility.PUBLIC
                     name = "foo"
                     returnType = SirNominalType(SirSwiftModule.bool)
@@ -47,7 +47,7 @@ class SirAsSwiftSourcesPrinterTests {
             declarations.add(
                 buildFunction {
                     origin = SirOrigin.Unknown
-                    isStatic = false
+                    kind = SirCallableKind.FUNCTION
                     visibility = SirVisibility.PUBLIC
                     name = "foo1"
                     returnType = SirNominalType(SirSwiftModule.bool)
@@ -56,7 +56,7 @@ class SirAsSwiftSourcesPrinterTests {
             declarations.add(
                 buildFunction {
                     origin = SirOrigin.Unknown
-                    isStatic = false
+                    kind = SirCallableKind.FUNCTION
                     visibility = SirVisibility.PUBLIC
                     name = "foo2"
                     returnType = SirNominalType(SirSwiftModule.bool)
@@ -77,7 +77,7 @@ class SirAsSwiftSourcesPrinterTests {
             declarations.add(
                 buildFunction {
                     origin = SirOrigin.Unknown
-                    isStatic = false
+                    kind = SirCallableKind.FUNCTION
                     visibility = SirVisibility.PUBLIC
                     name = "foo"
                     parameters.add(
@@ -105,7 +105,7 @@ class SirAsSwiftSourcesPrinterTests {
             declarations.add(
                 buildFunction {
                     origin = SirOrigin.Unknown
-                    isStatic = false
+                    kind = SirCallableKind.FUNCTION
                     visibility = SirVisibility.PUBLIC
                     name = "foo"
                     parameters.add(
@@ -139,7 +139,7 @@ class SirAsSwiftSourcesPrinterTests {
             declarations.add(
                 buildFunction {
                     origin = SirOrigin.Unknown
-                    isStatic = false
+                    kind = SirCallableKind.FUNCTION
                     visibility = SirVisibility.PUBLIC
                     name = "foo"
                     parameters.addAll(
@@ -193,7 +193,7 @@ class SirAsSwiftSourcesPrinterTests {
             declarations.add(
                 buildFunction {
                     origin = SirOrigin.Unknown
-                    isStatic = false
+                    kind = SirCallableKind.FUNCTION
                     visibility = SirVisibility.PUBLIC
                     name = "foo"
                     parameters.add(
@@ -215,14 +215,14 @@ class SirAsSwiftSourcesPrinterTests {
     }
 
     @Test
-    fun `should print static`() {
+    fun `should print static function`() {
 
         val module = buildModule {
             name = "Test"
             declarations.add(
                 buildFunction {
                     origin = SirOrigin.Unknown
-                    isStatic = true
+                    kind = SirCallableKind.STATIC_METHOD
                     visibility = SirVisibility.PUBLIC
                     name = "foo"
                     parameters.add(
@@ -243,6 +243,35 @@ class SirAsSwiftSourcesPrinterTests {
         )
     }
 
+    @Test
+    fun `should print class function`() {
+
+        val module = buildModule {
+            name = "Test"
+            declarations.add(
+                buildFunction {
+                    origin = SirOrigin.Unknown
+                    kind = SirCallableKind.CLASS_METHOD
+                    visibility = SirVisibility.PUBLIC
+                    name = "foo"
+                    parameters.add(
+                        SirParameter(
+                            argumentName = "arg1",
+                            type = SirNominalType(SirSwiftModule.int32)
+                        )
+                    )
+                    returnType = SirNominalType(SirSwiftModule.bool)
+                    body = SirFunctionBody(listOf("return foo_wrapped(arg1)"))
+                }
+            )
+        }
+
+        runTest(
+            module,
+            "testData/class_function"
+        )
+    }
+
     @Test
     fun `should print DocC comment`() {
 
@@ -251,7 +280,7 @@ class SirAsSwiftSourcesPrinterTests {
             declarations.add(
                 buildFunction {
                     origin = SirOrigin.Unknown
-                    isStatic = false
+                    kind = SirCallableKind.FUNCTION
                     visibility = SirVisibility.PUBLIC
                     name = "foo"
                     parameters.add(

native/swift/sir/gen/org/jetbrains/kotlin/sir/SirAccessor.kt

@@ -18,6 +18,7 @@ sealed class SirAccessor : SirCallable() {
     abstract override val origin: SirOrigin
     abstract override val visibility: SirVisibility
     abstract override var parent: SirDeclarationParent
+    abstract override val kind: SirCallableKind
     abstract var body: SirFunctionBody?
 
     override fun <R, D> accept(visitor: SirVisitor<R, D>, data: D): R =

native/swift/sir/gen/org/jetbrains/kotlin/sir/SirCallable.kt

@@ -18,6 +18,7 @@ sealed class SirCallable : SirElementBase(), SirDeclaration {
     abstract override val origin: SirOrigin
     abstract override val visibility: SirVisibility
     abstract override var parent: SirDeclarationParent
+    abstract val kind: SirCallableKind
 
     override fun <R, D> accept(visitor: SirVisitor<R, D>, data: D): R =
         visitor.visitCallable(this, data)

native/swift/sir/gen/org/jetbrains/kotlin/sir/SirFunction.kt

@@ -18,7 +18,7 @@ abstract class SirFunction : SirCallable() {
     abstract override val origin: SirOrigin
     abstract override val visibility: SirVisibility
     abstract override var parent: SirDeclarationParent
-    abstract val isStatic: Boolean
+    abstract override val kind: SirCallableKind
     abstract val name: String
     abstract val parameters: List<SirParameter>
     abstract val returnType: SirType

native/swift/sir/gen/org/jetbrains/kotlin/sir/SirGetter.kt

@@ -18,6 +18,7 @@ abstract class SirGetter : SirAccessor() {
     abstract override val origin: SirOrigin
     abstract override val visibility: SirVisibility
     abstract override var parent: SirDeclarationParent
+    abstract override val kind: SirCallableKind
     abstract override var body: SirFunctionBody?
 
     override fun <R, D> accept(visitor: SirVisitor<R, D>, data: D): R =

native/swift/sir/gen/org/jetbrains/kotlin/sir/SirSetter.kt

@@ -18,6 +18,7 @@ abstract class SirSetter : SirAccessor() {
     abstract override val origin: SirOrigin
     abstract override val visibility: SirVisibility
     abstract override var parent: SirDeclarationParent
+    abstract override val kind: SirCallableKind
     abstract override var body: SirFunctionBody?
     abstract val parameterName: String
 

native/swift/sir/gen/org/jetbrains/kotlin/sir/SirVariable.kt

@@ -22,7 +22,6 @@ abstract class SirVariable : SirDeclarationParent(), SirDeclaration {
     abstract val type: SirType
     abstract val getter: SirGetter
     abstract val setter: SirSetter?
-    abstract val isStatic: Boolean
 
     override fun <R, D> accept(visitor: SirVisitor<R, D>, data: D): R =
         visitor.visitVariable(this, data)

native/swift/sir/gen/org/jetbrains/kotlin/sir/builder/SirFunctionBuilder.kt

@@ -18,7 +18,7 @@ import org.jetbrains.kotlin.sir.impl.SirFunctionImpl
 class SirFunctionBuilder {
     var origin: SirOrigin = SirOrigin.Unknown
     var visibility: SirVisibility = SirVisibility.PUBLIC
-    var isStatic: Boolean by kotlin.properties.Delegates.notNull<Boolean>()
+    lateinit var kind: SirCallableKind
     lateinit var name: String
     val parameters: MutableList<SirParameter> = mutableListOf()
     lateinit var returnType: SirType
@@ -29,7 +29,7 @@ class SirFunctionBuilder {
         return SirFunctionImpl(
             origin,
             visibility,
-            isStatic,
+            kind,
             name,
             parameters,
             returnType,
@@ -56,7 +56,7 @@ inline fun buildFunctionCopy(original: SirFunction, init: SirFunctionBuilder.()
     val copyBuilder = SirFunctionBuilder()
     copyBuilder.origin = original.origin
     copyBuilder.visibility = original.visibility
-    copyBuilder.isStatic = original.isStatic
+    copyBuilder.kind = original.kind
     copyBuilder.name = original.name
     copyBuilder.parameters.addAll(original.parameters)
     copyBuilder.returnType = original.returnType

native/swift/sir/gen/org/jetbrains/kotlin/sir/builder/SirGetterBuilder.kt

@@ -18,12 +18,14 @@ import org.jetbrains.kotlin.sir.impl.SirGetterImpl
 class SirGetterBuilder {
     var origin: SirOrigin = SirOrigin.Unknown
     var visibility: SirVisibility = SirVisibility.PUBLIC
+    lateinit var kind: SirCallableKind
     var body: SirFunctionBody? = null
 
     fun build(): SirGetter {
         return SirGetterImpl(
             origin,
             visibility,
+            kind,
             body,
         )
     }
@@ -31,7 +33,7 @@ class SirGetterBuilder {
 }
 
 @OptIn(ExperimentalContracts::class)
-inline fun buildGetter(init: SirGetterBuilder.() -> Unit = {}): SirGetter {
+inline fun buildGetter(init: SirGetterBuilder.() -> Unit): SirGetter {
     contract {
         callsInPlace(init, InvocationKind.EXACTLY_ONCE)
     }
@@ -39,13 +41,14 @@ inline fun buildGetter(init: SirGetterBuilder.() -> Unit = {}): SirGetter {
 }
 
 @OptIn(ExperimentalContracts::class)
-inline fun buildGetterCopy(original: SirGetter, init: SirGetterBuilder.() -> Unit = {}): SirGetter {
+inline fun buildGetterCopy(original: SirGetter, init: SirGetterBuilder.() -> Unit): SirGetter {
     contract {
         callsInPlace(init, InvocationKind.EXACTLY_ONCE)
     }
     val copyBuilder = SirGetterBuilder()
     copyBuilder.origin = original.origin
     copyBuilder.visibility = original.visibility
+    copyBuilder.kind = original.kind
     copyBuilder.body = original.body
     return copyBuilder.apply(init).build()
 }

native/swift/sir/gen/org/jetbrains/kotlin/sir/builder/SirSetterBuilder.kt

@@ -18,6 +18,7 @@ import org.jetbrains.kotlin.sir.impl.SirSetterImpl
 class SirSetterBuilder {
     var origin: SirOrigin = SirOrigin.Unknown
     var visibility: SirVisibility = SirVisibility.PUBLIC
+    lateinit var kind: SirCallableKind
     var body: SirFunctionBody? = null
     var parameterName: String = "newValue"
 
@@ -25,6 +26,7 @@ class SirSetterBuilder {
         return SirSetterImpl(
             origin,
             visibility,
+            kind,
             body,
             parameterName,
         )
@@ -33,7 +35,7 @@ class SirSetterBuilder {
 }
 
 @OptIn(ExperimentalContracts::class)
-inline fun buildSetter(init: SirSetterBuilder.() -> Unit = {}): SirSetter {
+inline fun buildSetter(init: SirSetterBuilder.() -> Unit): SirSetter {
     contract {
         callsInPlace(init, InvocationKind.EXACTLY_ONCE)
     }
@@ -41,13 +43,14 @@ inline fun buildSetter(init: SirSetterBuilder.() -> Unit = {}): SirSetter {
 }
 
 @OptIn(ExperimentalContracts::class)
-inline fun buildSetterCopy(original: SirSetter, init: SirSetterBuilder.() -> Unit = {}): SirSetter {
+inline fun buildSetterCopy(original: SirSetter, init: SirSetterBuilder.() -> Unit): SirSetter {
     contract {
         callsInPlace(init, InvocationKind.EXACTLY_ONCE)
     }
     val copyBuilder = SirSetterBuilder()
     copyBuilder.origin = original.origin
     copyBuilder.visibility = original.visibility
+    copyBuilder.kind = original.kind
     copyBuilder.body = original.body
     copyBuilder.parameterName = original.parameterName
     return copyBuilder.apply(init).build()

native/swift/sir/gen/org/jetbrains/kotlin/sir/builder/SirVariableBuilder.kt

@@ -22,7 +22,6 @@ class SirVariableBuilder {
     lateinit var type: SirType
     lateinit var getter: SirGetter
     var setter: SirSetter? = null
-    var isStatic: Boolean by kotlin.properties.Delegates.notNull<Boolean>()
 
     fun build(): SirVariable {
         return SirVariableImpl(
@@ -32,7 +31,6 @@ class SirVariableBuilder {
             type,
             getter,
             setter,
-            isStatic,
         )
     }
 
@@ -58,6 +56,5 @@ inline fun buildVariableCopy(original: SirVariable, init: SirVariableBuilder.()
     copyBuilder.type = original.type
     copyBuilder.getter = original.getter
     copyBuilder.setter = original.setter
-    copyBuilder.isStatic = original.isStatic
     return copyBuilder.apply(init).build()
 }

native/swift/sir/gen/org/jetbrains/kotlin/sir/impl/SirFunctionImpl.kt

@@ -17,7 +17,7 @@ import org.jetbrains.kotlin.sir.visitors.SirVisitor
 internal class SirFunctionImpl(
     override val origin: SirOrigin,
     override val visibility: SirVisibility,
-    override val isStatic: Boolean,
+    override val kind: SirCallableKind,
     override val name: String,
     override val parameters: MutableList<SirParameter>,
     override val returnType: SirType,

native/swift/sir/gen/org/jetbrains/kotlin/sir/impl/SirGetterImpl.kt

@@ -17,6 +17,7 @@ import org.jetbrains.kotlin.sir.visitors.SirVisitor
 internal class SirGetterImpl(
     override val origin: SirOrigin,
     override val visibility: SirVisibility,
+    override val kind: SirCallableKind,
     override var body: SirFunctionBody?,
 ) : SirGetter() {
     override lateinit var parent: SirDeclarationParent

native/swift/sir/gen/org/jetbrains/kotlin/sir/impl/SirSetterImpl.kt

@@ -17,6 +17,7 @@ import org.jetbrains.kotlin.sir.visitors.SirVisitor
 internal class SirSetterImpl(
     override val origin: SirOrigin,
     override val visibility: SirVisibility,
+    override val kind: SirCallableKind,
     override var body: SirFunctionBody?,
     override val parameterName: String,
 ) : SirSetter() {

native/swift/sir/gen/org/jetbrains/kotlin/sir/impl/SirVariableImpl.kt

@@ -21,7 +21,6 @@ internal class SirVariableImpl(
     override val type: SirType,
     override val getter: SirGetter,
     override val setter: SirSetter?,
-    override val isStatic: Boolean,
 ) : SirVariable() {
     override lateinit var parent: SirDeclarationParent
 

native/swift/sir/src/org/jetbrains/kotlin/sir/SirCallableKind.kt

@@ -0,0 +1,16 @@
+/*
+ * Copyright 2010-2024 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.sir
+
+enum class SirCallableKind {
+    FUNCTION,
+    INSTANCE_METHOD,
+    CLASS_METHOD,
+    STATIC_METHOD,
+}
+
+val SirVariable.kind: SirCallableKind
+    get() = getter.kind

native/swift/sir/src/org/jetbrains/kotlin/sir/SirOrigin.kt

@@ -22,4 +22,4 @@ sealed interface SirOrigin {
      * (e.g. objects created in/for tests)
      */
     data object Unknown : SirOrigin
-}
+}

native/swift/sir/tree-generator/src/org/jetbrains/kotlin/sir/tree/generator/SwiftIrTree.kt

@@ -76,13 +76,14 @@ object SwiftIrTree : AbstractSwiftIrTreeBuilder() {
 
     val callable by sealedElement {
         parent(declaration)
+
+        +field("kind", callableKind)
     }
 
     val function by element {
         customParentInVisitor = callable
         parent(callable)
 
-        +field("isStatic", boolean) // todo: KT-65046 Method|function distinction in SIR
         +field("name", string)
         +listField("parameters", parameterType)
         +field("returnType", typeType)
@@ -118,8 +119,6 @@ object SwiftIrTree : AbstractSwiftIrTreeBuilder() {
 
         +field("getter", getter)
         +field("setter", setter, nullable = true)
-
-        +field("isStatic", boolean) // todo: KT-65046 Method|function distinction in SIR
     }
 
     val import by element {

native/swift/sir/tree-generator/src/org/jetbrains/kotlin/sir/tree/generator/Types.kt

@@ -15,6 +15,7 @@ val parameterType = type(BASE_PACKAGE, "SirParameter", TypeKind.Class)
 val typeType = type(BASE_PACKAGE, "SirType", TypeKind.Class)
 val enumCaseType = type(BASE_PACKAGE, "SirEnumCase", TypeKind.Class)
 val functionBodyType = type(BASE_PACKAGE, "SirFunctionBody", TypeKind.Class)
+val callableKind = type(BASE_PACKAGE, "SirCallableKind", TypeKind.Class)
 
 private const val VISITORS_PACKAGE = "$BASE_PACKAGE.visitors"