From f6530934d36fbb977c2b7c4eb3669a8f581dd9f5 Mon Sep 17 00:00:00 2001
From: "sebastian.sellmair" <sebastian.sellmair@jetbrains.com>
Date: Mon, 22 Jun 2020 12:15:50 +0200
Subject: Prevent ReportUndocumentedTransformer.kt from reporting "componentN"
 functions fromd data classes

---
 .../documentables/ReportUndocumentedTransformer.kt | 26 ++++++++++++++++------
 1 file changed, 19 insertions(+), 7 deletions(-)

(limited to 'plugins/base/src/main/kotlin')

diff --git a/plugins/base/src/main/kotlin/transformers/documentables/ReportUndocumentedTransformer.kt b/plugins/base/src/main/kotlin/transformers/documentables/ReportUndocumentedTransformer.kt
index bb26ceef..7d475571 100644
--- a/plugins/base/src/main/kotlin/transformers/documentables/ReportUndocumentedTransformer.kt
+++ b/plugins/base/src/main/kotlin/transformers/documentables/ReportUndocumentedTransformer.kt
@@ -7,6 +7,7 @@ import org.jetbrains.dokka.plugability.DokkaContext
 import org.jetbrains.dokka.transformers.documentation.DocumentableTransformer
 import org.jetbrains.kotlin.descriptors.CallableMemberDescriptor
 import org.jetbrains.kotlin.descriptors.CallableMemberDescriptor.Kind.FAKE_OVERRIDE
+import org.jetbrains.kotlin.descriptors.CallableMemberDescriptor.Kind.SYNTHESIZED
 import org.jetbrains.kotlin.utils.addToStdlib.safeAs
 
 internal class ReportUndocumentedTransformer : DocumentableTransformer {
@@ -45,6 +46,10 @@ internal class ReportUndocumentedTransformer : DocumentableTransformer {
             return false
         }
 
+        if (isSynthesized(documentable, sourceSet)) {
+            return false
+        }
+
         if (isPrivateOrInternalApi(documentable, sourceSet)) {
             return false
         }
@@ -124,16 +129,23 @@ internal class ReportUndocumentedTransformer : DocumentableTransformer {
     }
 
     private fun isFakeOverride(documentable: Documentable, sourceSet: SourceSetData): Boolean {
+        return callableMemberDescriptorOrNull(documentable, sourceSet)?.kind == FAKE_OVERRIDE
+    }
+
+    private fun isSynthesized(documentable: Documentable, sourceSet: SourceSetData): Boolean {
+        return callableMemberDescriptorOrNull(documentable, sourceSet)?.kind == SYNTHESIZED
+    }
+
+    private fun callableMemberDescriptorOrNull(
+        documentable: Documentable, sourceSet: SourceSetData
+    ): CallableMemberDescriptor? {
         if (documentable is WithExpectActual) {
-            val callableMemberDescriptor = documentable.sources[sourceSet]
+            return documentable.sources[sourceSet]
                 .safeAs<DescriptorDocumentableSource>()?.descriptor
-                .safeAs<CallableMemberDescriptor>()
-
-            if (callableMemberDescriptor?.kind == FAKE_OVERRIDE) {
-                return true
-            }
+                .safeAs()
         }
-        return false
+
+        return null
     }
 
     private fun isPrivateOrInternalApi(documentable: Documentable, sourceSet: SourceSetData): Boolean {
-- 
cgit