Evaluate expression: refactor error messages

idea/testData/debugger/tinyApp/outs/errors.out

@@ -1,7 +1,7 @@
-LineBreakpoint created at syntacticError.kt:5
-!JDK_HOME!\bin\java -agentlib:jdwp=transport=dt_socket,address=!HOST_NAME!:!HOST_PORT!,suspend=y,server=n -Dfile.encoding=!FILE_ENCODING! -classpath !APP_PATH!\classes;!KOTLIN_RUNTIME!;!RT_JAR! syntacticError.SyntacticErrorPackage
+LineBreakpoint created at errors.kt:13
+!JDK_HOME!\bin\java -agentlib:jdwp=transport=dt_socket,address=!HOST_NAME!:!HOST_PORT!,suspend=y,server=n -Dfile.encoding=!FILE_ENCODING! -classpath !APP_PATH!\classes;!KOTLIN_RUNTIME!;!RT_JAR! errors.ErrorsPackage
 Connected to the target VM, address: '!HOST_NAME!:PORT_NAME!', transport: 'socket'
-syntacticError.kt:4
+errors.kt:12
 Disconnected from the target VM, address: '!HOST_NAME!:PORT_NAME!', transport: 'socket'
 
 Process finished with exit code 0

idea/testData/debugger/tinyApp/src/evaluate/errors.kt

@@ -0,0 +1,28 @@
+package errors
+
+fun main(args: Array<String>) {
+    MyClass().baseFun()
+}
+
+class MyClass: Base() {
+    override fun baseFun() {
+        var prop = 1
+        var prop2 = 2
+
+        //Breakpoint!
+        prop.minus(prop2)
+    }
+}
+
+open class Base {
+    open fun baseFun() {}
+}
+
+// EXPRESSION: a
+// RESULT: Unresolved reference: a
+
+// EXPRESSION: prop.
+// RESULT: Expecting an element; looking at ERROR_ELEMENT '(1,6) in /fragment.kt
+
+// EXPRESSION: super.baseFun()
+// RESULT: Cannot perform an action for expression with super call

idea/testData/debugger/tinyApp/src/evaluate/errors.kt.fragment

@@ -0,0 +1,5 @@
+prop += 1
+prop2 +=2
+prop + prop2
+
+// RESULT: Cannot perform an action because this code fragment changes more than one variable: prop, prop2

idea/testData/debugger/tinyApp/src/evaluate/errors.kt.fragment2

@@ -0,0 +1,3 @@
+object {}
+
+// RESULT: Cannot perform an action because following types are unavailable from debugger scope: errors.MyClass.baseFun.<no name provided>

idea/testData/debugger/tinyApp/src/evaluate/syntacticError.kt

@@ -1,9 +0,0 @@
-package syntacticError
-
-fun main(args: Array<String>) {
-    //Breakpoint!
-    args.size
-}
-
-// EXPRESSION: args.
-// RESULT: Expecting an element; looking at ERROR_ELEMENT '(1,6) in /fragment.kt