Find Usages: Use MethodReferencesSearch to find constructor usages

idea/src/org/jetbrains/kotlin/idea/findUsages/handlers/KotlinFindClassUsagesHandler.kt

@@ -24,6 +24,7 @@ import com.intellij.psi.PsiClass
 import com.intellij.psi.PsiElement
 import com.intellij.psi.search.PsiElementProcessor
 import com.intellij.psi.search.PsiElementProcessorAdapter
+import com.intellij.psi.search.searches.MethodReferencesSearch
 import com.intellij.psi.search.searches.ReferencesSearch
 import com.intellij.usageView.UsageInfo
 import com.intellij.util.FilteredQuery
@@ -34,7 +35,6 @@ import org.jetbrains.kotlin.idea.caches.resolve.analyze
 import org.jetbrains.kotlin.idea.findUsages.KotlinClassFindUsagesOptions
 import org.jetbrains.kotlin.idea.findUsages.KotlinFindUsagesHandlerFactory
 import org.jetbrains.kotlin.idea.findUsages.dialogs.KotlinFindClassUsagesDialog
-import org.jetbrains.kotlin.idea.references.mainReference
 import org.jetbrains.kotlin.idea.search.declarationsSearch.HierarchySearchRequest
 import org.jetbrains.kotlin.idea.search.declarationsSearch.searchInheritors
 import org.jetbrains.kotlin.idea.search.ideaExtensions.KotlinReferencesSearchOptions
@@ -42,7 +42,6 @@ import org.jetbrains.kotlin.idea.search.ideaExtensions.KotlinReferencesSearchPar
 import org.jetbrains.kotlin.idea.search.usagesSearch.descriptor
 import org.jetbrains.kotlin.idea.search.usagesSearch.isConstructorUsage
 import org.jetbrains.kotlin.idea.search.usagesSearch.isImportUsage
-import org.jetbrains.kotlin.idea.search.usagesSearch.buildProcessDelegationCallConstructorUsagesTask
 import org.jetbrains.kotlin.idea.util.application.runReadAction
 import org.jetbrains.kotlin.psi.*
 import org.jetbrains.kotlin.psi.psiUtil.anyDescendantOfType
@@ -99,10 +98,11 @@ class KotlinFindClassUsagesHandler(
             if (kotlinOptions.searchConstructorUsages) {
                 classOrObject.toLightClass()?.constructors?.filterIsInstance<KtLightMethod>()?.forEach { constructor ->
                     val scope = constructor.useScope.intersectWith(options.searchScope)
-                    val task = constructor.buildProcessDelegationCallConstructorUsagesTask(scope) {
-                        it.calleeExpression?.mainReference?.let { referenceProcessor.process(it) } ?: false
+                    var query = MethodReferencesSearch.search(constructor, scope, true)
+                    if (kotlinOptions.isSkipImportStatements) {
+                        query = FilteredQuery(query) { !it.isImportUsage() }
                     }
-                    addTask(task)
+                    addTask { query.forEach(Processor { referenceProcessor.process(it) }) }
                 }
             }
 

idea/testData/findUsages/kotlin/findClassUsages/kotlinDeeplyNestedClassAllUsages.results.txt

@@ -18,4 +18,5 @@
 [kotlinDeeplyNestedClassAllUsages.1.kt] Usage in cast target type 41 return if (this is Inner.A) this as Inner.A else null
 [kotlinDeeplyNestedClassAllUsages.2.java] Field declaration 6 Inner.A next = new Inner.A();
 [kotlinDeeplyNestedClassAllUsages.2.java] New instance creation 6 Inner.A next = new Inner.A();
-[kotlinDeeplyNestedClassAllUsages.2.java] Usage in extends/implements clause 5 public class X extends Inner.A {
+[kotlinDeeplyNestedClassAllUsages.2.java] Unclassified usage 5 public class X extends Inner.A {
+[kotlinDeeplyNestedClassAllUsages.2.java] Usage in extends/implements clause 5 public class X extends Inner.A {

idea/testData/findUsages/kotlin/findClassUsages/kotlinInnerClassAllUsages.results.txt

@@ -18,4 +18,5 @@
 [kotlinInnerClassAllUsages.1.kt] Usage in cast target type 38 return if (this is Outer.A) this as Outer.A else null
 [kotlinInnerClassAllUsages.2.java] Field declaration 10 A next = new A();
 [kotlinInnerClassAllUsages.2.java] New instance creation 10 A next = new A();
-[kotlinInnerClassAllUsages.2.java] Usage in extends/implements clause 6 class Y extends A {
+[kotlinInnerClassAllUsages.2.java] Unclassified usage 6 class Y extends A {
+[kotlinInnerClassAllUsages.2.java] Usage in extends/implements clause 6 class Y extends A {

idea/testData/findUsages/kotlin/findClassUsages/kotlinNestedClassAllUsages.results.txt

@@ -18,4 +18,5 @@
 [kotlinNestedClassAllUsages.1.kt] Usage in cast target type 41 return if (this is Outer.A) this as Outer.A else null
 [kotlinNestedClassAllUsages.2.java] Field declaration 6 Outer.A next = new Outer.A();
 [kotlinNestedClassAllUsages.2.java] New instance creation 6 Outer.A next = new Outer.A();
-[kotlinNestedClassAllUsages.2.java] Usage in extends/implements clause 5 public class X extends Outer.A {
+[kotlinNestedClassAllUsages.2.java] Unclassified usage 5 public class X extends Outer.A {
+[kotlinNestedClassAllUsages.2.java] Usage in extends/implements clause 5 public class X extends Outer.A {

idea/testData/findUsages/kotlin/unresolvedAnnotation/unresolvedAnnotation.results.txt

@@ -1 +1,2 @@
-Usage in extends/implements clause 1 public class Client extends Foo {}
+Unclassified usage 1 public class Client extends Foo {}
+Usage in extends/implements clause 1 public class Client extends Foo {}

idea/testData/findUsages/libraryUsages/kotlinLibrary/LibraryClassUsages.results.txt

@@ -7,6 +7,7 @@
 [LibraryClassUsages.1.java] Local variable declaration 12 A aa = new A(1);
 [LibraryClassUsages.1.java] New instance creation 11 A a = new A();
 [LibraryClassUsages.1.java] New instance creation 12 A aa = new A(1);
+[LibraryClassUsages.1.java] Unclassified usage 7 super(n);
 [LibraryClassUsages.1.java] Usage in extends/implements clause 5 class J extends A {
 [library.kt] Nested class/object 63 val t = A.T(1)
 [library.kt] Nested class/object 64 val tt = A.T()
@@ -21,4 +22,4 @@
 [library.kt] Supertype 34 class UU: A.T {
 [library.kt] Supertype 39 class CC(): A() {
 [library.kt] Supertype 40 class VV(): A.T()
-[library.kt] Unclassified usage 61 val ff = A::foo
+[library.kt] Unclassified usage 61 val ff = A::foo

idea/testData/findUsages/libraryUsages/kotlinLibrary/LibraryNestedClassUsages.results.txt

@@ -7,6 +7,7 @@
 [LibraryNestedClassUsages.1.java] Local variable declaration 12 A.T tt = new A.T(1);
 [LibraryNestedClassUsages.1.java] New instance creation 11 A.T t = new A.T();
 [LibraryNestedClassUsages.1.java] New instance creation 12 A.T tt = new A.T(1);
+[LibraryNestedClassUsages.1.java] Unclassified usage 7 super(n);
 [LibraryNestedClassUsages.1.java] Usage in extends/implements clause 5 class J extends A.T {
 [library.kt] New instance creation 63 val t = A.T(1)
 [library.kt] New instance creation 64 val tt = A.T()
@@ -14,4 +15,4 @@
 [library.kt] Supertype 28 class V(): A.T(1)
 [library.kt] Supertype 34 class UU: A.T {
 [library.kt] Supertype 40 class VV(): A.T()
-[library.kt] Unclassified usage 66 val fff = A.T::bar
+[library.kt] Unclassified usage 66 val fff = A.T::bar