Allow to find usages of Java class via references to its constructor #KT-4521 Fixed

idea/testData/findUsages/java/findJavaClassUsages/JKClassAllUsages.0.java

@@ -4,6 +4,10 @@ public class <caret>A {
     public String bar = "bar";
     public static String BAR = "BAR";
 
+    public A() {
+
+    }
+
     public void foo() {
 
     }

idea/testData/findUsages/java/findJavaClassUsages/JKClassDerivedAnonymousObjects.0.java

@@ -1,5 +1,7 @@
 // PSI_ELEMENT: com.intellij.psi.PsiClass
 // OPTIONS: derivedClasses
 public class <caret>A {
+    public A() {
 
+    }
 }

idea/testData/findUsages/java/findJavaClassUsages/JKClassDerivedClasses.0.java

@@ -1,5 +1,7 @@
 // PSI_ELEMENT: com.intellij.psi.PsiClass
 // OPTIONS: derivedClasses
 public class <caret>A {
+    public A() {
 
+    }
 }

idea/testData/findUsages/java/findJavaClassUsages/JKClassDerivedInnerClasses.0.java

@@ -1,5 +1,7 @@
 // PSI_ELEMENT: com.intellij.psi.PsiClass
 // OPTIONS: derivedClasses
 public class <caret>A {
+    public A() {
 
+    }
 }

idea/testData/findUsages/java/findJavaClassUsages/JKClassDerivedInnerObjects.0.java

@@ -1,5 +1,7 @@
 // PSI_ELEMENT: com.intellij.psi.PsiClass
 // OPTIONS: derivedClasses
 public class <caret>A {
+    public A() {
 
+    }
 }

idea/testData/findUsages/java/findJavaClassUsages/JKClassDerivedLocalClasses.0.java

@@ -1,5 +1,7 @@
 // PSI_ELEMENT: com.intellij.psi.PsiClass
 // OPTIONS: derivedClasses
 public class <caret>A {
+    public A() {
 
+    }
 }

idea/testData/findUsages/java/findJavaClassUsages/JKClassDerivedLocalObjects.0.java

@@ -1,5 +1,7 @@
 // PSI_ELEMENT: com.intellij.psi.PsiClass
 // OPTIONS: derivedClasses
 public class <caret>A {
+    public A() {
 
+    }
 }

idea/testData/findUsages/java/findJavaClassUsages/JKClassDerivedObjects.0.java

@@ -1,5 +1,7 @@
 // PSI_ELEMENT: com.intellij.psi.PsiClass
 // OPTIONS: derivedClasses
 public class <caret>A {
+    public A() {
 
+    }
 }

idea/testData/findUsages/java/findJavaClassUsages/JKClassFieldsUsages.0.java

@@ -4,6 +4,10 @@ public class <caret>A {
     public String bar = "bar";
     public static String BAR = "BAR";
 
+    public A() {
+
+    }
+
     public void foo() {
 
     }

idea/testData/findUsages/java/findJavaClassUsages/JKClassMethodsUsages.0.java

@@ -4,6 +4,10 @@ public class <caret>A {
     public String bar = "bar";
     public static String BAR = "BAR";
 
+    public A() {
+
+    }
+
     public void foo() {
 
     }

idea/testData/findUsages/java/findJavaClassUsages/JKClassMethodsUsages.results.txt

@@ -1,2 +1,7 @@
 Function call (20: 18) super<A>.foo()
 Function call (7: 11) A.foos()
+New instance creation (2: 20) var next: A? = A()
+New instance creation (32: 18) fun X.bar(a: A = A()) {
+Supertype (1: 39) public class X(bar: String? = A.BAR): A() {
+Supertype (23: 19) class object: A() {
+Supertype (28: 11) object O: A() {

idea/testData/findUsages/java/findJavaClassUsages/JKClassWithImplicitConstructorAllUsages.0.java

@@ -0,0 +1,14 @@
+// PSI_ELEMENT: com.intellij.psi.PsiClass
+// OPTIONS: usages
+public class <caret>A {
+    public String bar = "bar";
+    public static String BAR = "BAR";
+
+    public void foo() {
+
+    }
+
+    public static void foos() {
+
+    }
+}

idea/testData/findUsages/java/findJavaClassUsages/JKClassWithImplicitConstructorAllUsages.1.kt

@@ -0,0 +1,38 @@
+public class X(bar: String? = A.BAR): A() {
+    var next: A? = A()
+    val myBar: String? = A.BAR
+
+    {
+        A.BAR = ""
+        A.foos()
+    }
+
+    fun foo(a: A) {
+        val aa: A = a
+        aa.bar = ""
+    }
+
+    fun getNext(): A? {
+        return next
+    }
+
+    public override fun foo() {
+        super<A>.foo()
+    }
+
+    class object: A() {
+
+    }
+}
+
+object O: A() {
+
+}
+
+fun X.bar(a: A = A()) {
+
+}
+
+fun Any.toA(): A? {
+    return if (this is A) this as A else null
+}

idea/testData/findUsages/java/findJavaClassUsages/JKClassWithImplicitConstructorAllUsages.results.txt

@@ -0,0 +1,18 @@
+Class/object property type (2: 15) var next: A? = A()
+Function return types (15: 20) fun getNext(): A? {
+Function return types (36: 16) fun Any.toA(): A? {
+Local variable declaration (11: 17) val aa: A = a
+Nested class/object (1: 31) public class X(bar: String? = A.BAR): A() {
+Nested class/object (3: 26) val myBar: String? = A.BAR
+Nested class/object (6: 9) A.BAR = ""
+Nested class/object (7: 9) A.foos()
+New instance creation (2: 20) var next: A? = A()
+New instance creation (32: 18) fun X.bar(a: A = A()) {
+Parameter type (10: 16) fun foo(a: A) {
+Parameter type (32: 14) fun X.bar(a: A = A()) {
+Super type qualifier (20: 15) super<A>.foo()
+Supertype (1: 39) public class X(bar: String? = A.BAR): A() {
+Supertype (23: 19) class object: A() {
+Supertype (28: 11) object O: A() {
+Target type of 'is' operation (37: 24) return if (this is A) this as A else null
+Usage in cast target type (37: 35) return if (this is A) this as A else null

idea/testData/findUsages/java/findJavaClassUsages/JKInnerClassAllUsages.0.java

@@ -4,6 +4,10 @@ public class Outer {
     public class <caret>A {
         public String bar = "bar";
 
+        public A() {
+
+        }
+
         public void foo() {
 
         }

idea/testData/findUsages/java/findJavaClassUsages/JKNestedClassAllUsages.0.java

@@ -5,6 +5,10 @@ public class Outer {
         public String bar = "bar";
         public static String BAR = "BAR";
 
+        public A() {
+
+        }
+
         public void foo() {
 
         }