Debugger: Allow to evaluate private properties from companion objects (KT-26795)

idea/testData/debugger/tinyApp/src/evaluate/singleBreakpoint/privateFieldInCompanion.kt

@@ -0,0 +1,42 @@
+package privateFieldInCompanion
+
+class Foo {
+    companion object {
+        private const val PRIVATE_CONST = 1
+        const val PUBLIC_CONST = 2
+
+        private val PRIVATE_VAL = 3
+        val PUBLIC_VAL = 4
+
+        private val PRIVATE_STATIC = 5
+        val PUBLIC_STATIC = 6
+    }
+
+
+    fun foo() {
+        //Breakpoint!
+        val a = 5
+    }
+}
+
+fun main(args: Array<String>) {
+    Foo().foo()
+}
+
+// EXPRESSION: PRIVATE_CONST
+// RESULT: 1: I
+
+// EXPRESSION: PUBLIC_CONST
+// RESULT: 2: I
+
+// EXPRESSION: PRIVATE_VAL
+// RESULT: 3: I
+
+// EXPRESSION: PUBLIC_VAL
+// RESULT: 4: I
+
+// EXPRESSION: PRIVATE_STATIC
+// RESULT: 5: I
+
+// EXPRESSION: PUBLIC_STATIC
+// RESULT: 6: I

idea/testData/debugger/tinyApp/src/evaluate/singleBreakpoint/privateFieldInCompanion.out

@@ -0,0 +1,13 @@
+LineBreakpoint created at privateFieldInCompanion.kt:18
+Run Java
+Connected to the target VM
+privateFieldInCompanion.kt:18
+Compile bytecode for PRIVATE_CONST
+Compile bytecode for PUBLIC_CONST
+Compile bytecode for PRIVATE_VAL
+Compile bytecode for PUBLIC_VAL
+Compile bytecode for PRIVATE_STATIC
+Compile bytecode for PUBLIC_STATIC
+Disconnected from the target VM
+
+Process finished with exit code 0