add Initial support for comments in SIR #KT-65174 Fixed

Merge-request: KT-MR-14007
Merged-by: Artem Olkov <artem.olkov@jetbrains.com>

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

@@ -17,7 +17,7 @@ typealias Model = org.jetbrains.kotlin.generators.tree.Model<Element>
 
 fun main(args: Array<String>) {
     val generationPath = args.firstOrNull()?.let { File(it) }
-        ?: File("../../tree/gen").canonicalFile
+        ?: File("./native/swift/sir/gen/").canonicalFile
     val model = SwiftIrTree.build()
     generateTree(
         generationPath,

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

@@ -87,6 +87,8 @@ object SwiftIrTree : AbstractSwiftIrTreeBuilder() {
         +listField("parameters", parameterType)
         +field("returnType", typeType)
         +field("body", functionBodyType, nullable = true, mutable = true)
+
+        +field(name = "documentation", string, nullable = true, mutable = true)
     }
 
     val foreignFunction by element {
@@ -96,4 +98,4 @@ object SwiftIrTree : AbstractSwiftIrTreeBuilder() {
 
         visitorParameterName = "function"
     }
-}
+}