fix property accessor modifier logic

(cherry picked from commit e649b3b)

Author: neetopia

kotlin-analysis-api/src/main/kotlin/com/google/devtools/ksp/impl/symbol/kotlin/KSFunctionDeclarationImpl.kt

@@ -238,6 +238,14 @@ internal fun KtFunctionLikeSymbol.toModifiers(): Set<Modifier> {
                 result.add(Modifier.OVERRIDE)
             }
         }
+        is KtPropertyAccessorSymbol -> {
+            if (visibility != JavaVisibilities.PackageVisibility) {
+                result.add(visibility.toModifier())
+            }
+            if (modality != Modality.OPEN) {
+                result.add(modality.toModifier())
+            }
+        }
         else -> Unit
     }
     return result

kotlin-analysis-api/src/main/kotlin/com/google/devtools/ksp/impl/symbol/kotlin/KSPropertyAccessorImpl.kt

@@ -50,7 +50,13 @@ abstract class KSPropertyAccessorImpl(
     }
 
     override val modifiers: Set<Modifier> by lazy {
-        ((ktPropertyAccessorSymbol.psi as? KtModifierListOwner)?.toKSModifiers() ?: emptySet()).let {
+        (
+            if (origin == Origin.JAVA_LIB || origin == Origin.KOTLIN_LIB || origin == Origin.SYNTHETIC) {
+                (ktPropertyAccessorSymbol.toModifiers())
+            } else {
+                (ktPropertyAccessorSymbol.psi as? KtModifierListOwner)?.toKSModifiers() ?: emptySet()
+            }
+            ).let {
             if (origin == Origin.SYNTHETIC &&
                 (receiver.parentDeclaration as? KSClassDeclaration)?.classKind == ClassKind.INTERFACE
             ) {

test-utils/src/main/kotlin/com/google/devtools/ksp/processor/LateinitPropertiesProcessor.kt

@@ -31,6 +31,8 @@ class LateinitPropertiesProcessor : AbstractTestProcessor() {
         }
 
         override fun visitPropertyDeclaration(property: KSPropertyDeclaration, data: Unit) {
+            lateinitPropertiesNames.add("setter, ${property.setter?.modifiers?.sorted()}, $property")
+            lateinitPropertiesNames.add("getter, ${property.getter?.modifiers?.sorted()}, $property")
             if (Modifier.LATEINIT in property.modifiers) {
                 lateinitPropertiesNames += property.simpleName.asString()
             }

test-utils/testData/api/lateinitProperties.kt

@@ -18,19 +18,31 @@
 // WITH_RUNTIME
 // TEST PROCESSOR: LateinitPropertiesProcessor
 // EXPECTED:
+// getter, [PRIVATE, FINAL], prop1
+// getter, [PRIVATE, FINAL], propSource1
+// getter, [PUBLIC, FINAL], prop2
+// getter, [PUBLIC, FINAL], prop3
+// getter, [PUBLIC, FINAL], propSource2
+// getter, [PUBLIC, FINAL], propSource3
 // prop1
 // prop2
 // prop3
 // propSource1
 // propSource2
 // propSource3
+// setter, [PRIVATE, FINAL], prop1
+// setter, [PRIVATE, FINAL], propSource1
+// setter, [PUBLIC, FINAL], prop2
+// setter, [PUBLIC, FINAL], prop3
+// setter, [PUBLIC, FINAL], propSource2
+// setter, [PUBLIC, FINAL], propSource3
 // END
 // MODULE: lib
 // FILE: compiledProperties.kt
 package test.compiled
 
 open class Foo {
-    lateinit var prop1: Any
+    lateinit private var prop1: Any
     companion object {
         lateinit var prop2: Any
     }
@@ -45,7 +57,7 @@ object Bar : Foo() {
 package test.source
 
 open class FooSource {
-    lateinit var propSource1: Any
+    lateinit private var propSource1: Any
     companion object {
         lateinit var propSource2: Any
     }