[kotlin] kmp find usages: find actual counterpart for expect annotation default property

^KTIJ-28958 fixed

GitOrigin-RevId: 9bcabbbc3d4718543e4c9785d7505d35a27ef784

plugins/kotlin/base/analysis/src/org/jetbrains/kotlin/idea/search/ideaExtensions/KotlinReferencesSearcher.kt

@@ -374,7 +374,26 @@ class KotlinReferencesSearcher : QueryExecutorBase<PsiReference, ReferencesSearc
 
         @RequiresReadLock
         private fun searchPropertyAccessorMethods(origin: KtParameter) {
-            origin.toLightElements().filterDataClassComponentsIfDisabled(kotlinOptions).forEach(::searchNamedElement)
+            val lightMethods = if (origin.isExpectDeclaration()) {
+                ExpectActualSupport.getInstance(origin.project)
+                    .actualsForExpected(origin)
+                    .filterIsInstance<KtParameter>()
+                    .flatMap { it.toLightElements() }
+                    .toList()
+            } else origin.toLightElements()
+            val namedElements = lightMethods.filterDataClassComponentsIfDisabled(kotlinOptions)
+            for (element in namedElements) {
+                searchMethodAware(element)
+            }
+        }
+
+        @RequiresReadLock
+        private fun searchMethodAware(element: PsiNamedElement) {
+            if (element is PsiMethod) {
+                MethodReferencesSearch.search(element, queryParameters.effectiveSearchScope, true).forEach(consumer)
+            } else {
+                searchNamedElement(element)
+            }
         }
 
         @RequiresReadLock

plugins/kotlin/idea/tests/test/org/jetbrains/kotlin/findUsages/FindUsagesMultiModuleTest.kt

@@ -45,6 +45,10 @@ open class FindUsagesMultiModuleTest : AbstractFindUsagesMultiModuleTest() {
         doTest()
     }
 
+    fun testFindExpectAnnotationValue() {
+        doTest()
+    }
+
     fun testFindExpectPropertyInJvm() {
         doTest()
     }

plugins/kotlin/idea/tests/testData/findUsages/kotlin/conventions/components/recursiveDataClass1.0.kt

@@ -7,6 +7,7 @@ fun f(a: A) {
     val (a1, n1) = a
     val (a2, n2) =
         a?.a ?: return
+    val (a3, n3) = a1 ?: return
 }
 
 

plugins/kotlin/idea/tests/testData/findUsages/kotlin/conventions/components/recursiveDataClass1.log

@@ -1,11 +1,16 @@
 Checked type of a1
 Checked type of a2
+Checked type of a3
 Checked type of n1
 Checked type of n2
+Checked type of n3
 ExpressionOfTypeProcessor is already started for A. Exit for operator parameter a of A(val a: A?, val n: Int).
 Resolved (a1, n1)
 Resolved (a2, n2)
+Resolved (a3, n3)
 Searched references to A
+Searched references to a1 in non-Java files
+Searched references to a2 in non-Java files
 Searched references to parameter a of A(val a: A?, val n: Int) in non-Java files
 Searched references to parameter a of f(a: A) in non-Java files
 Used plain search of parameter a of A(val a: A?, val n: Int) in LocalSearchScope:

plugins/kotlin/idea/tests/testData/findUsages/kotlin/conventions/components/recursiveDataClass1.results.txt

@@ -1,3 +1,4 @@
+Value read 10 val (a3, n3) = a1 ?: return
 Value read 7 val (a1, n1) = a
 Value read 8 val (a2, n2) =
 Value read 9 a?.a ?: return

plugins/kotlin/idea/tests/testData/multiModuleFindUsages/findExpectAnnotationValue/common/common.kt

@@ -0,0 +1,4 @@
+// PSI_ELEMENT: org.jetbrains.kotlin.psi.KtParameter
+// OPTIONS: usages
+
+expect annotation class A(val valu<caret>e: String)

plugins/kotlin/idea/tests/testData/multiModuleFindUsages/findExpectAnnotationValue/common/common.results.txt

@@ -0,0 +1,2 @@
+[Main.java] Unclassified 1 @A("main")
+[jvm.kt] Unclassified 3 @A("a")

plugins/kotlin/idea/tests/testData/multiModuleFindUsages/findExpectAnnotationValue/directives.txt

@@ -0,0 +1 @@
+// FIR_COMPARISON

plugins/kotlin/idea/tests/testData/multiModuleFindUsages/findExpectAnnotationValue/jvm/Main.java

@@ -0,0 +1,2 @@
+@A("main")
+class Main { }

plugins/kotlin/idea/tests/testData/multiModuleFindUsages/findExpectAnnotationValue/jvm/jvm.kt

@@ -0,0 +1,4 @@
+actual annotation class A(actual val value: String)
+
+@A("a")
+fun m() {}