Don't rank local classes (KT-27712)

Allow enable ranking even for single source file in tests

 #KT-27712

idea/idea-jvm/src/org/jetbrains/kotlin/idea/debugger/DebuggerUtils.kt

@@ -21,6 +21,7 @@ import com.intellij.openapi.project.Project
 import com.intellij.openapi.util.io.FileUtilRt
 import com.intellij.psi.search.GlobalSearchScope
 import com.sun.jdi.Location
+import org.jetbrains.annotations.TestOnly
 import org.jetbrains.kotlin.asJava.finder.JavaElementFinder
 import org.jetbrains.kotlin.descriptors.CallableDescriptor
 import org.jetbrains.kotlin.idea.KotlinFileTypeFactory
@@ -42,6 +43,9 @@ import org.jetbrains.kotlin.utils.addIfNotNull
 import java.util.*
 
 object DebuggerUtils {
+    @TestOnly
+    var forceRanking = false
+
     fun findSourceFileForClassIncludeLibrarySources(
         project: Project,
         scope: GlobalSearchScope,
@@ -74,7 +78,7 @@ object DebuggerUtils {
 
         if (filesWithExactName.isEmpty()) return null
 
-        if (filesWithExactName.size == 1) {
+        if (filesWithExactName.size == 1 && !forceRanking) {
             return filesWithExactName.single()
         }
 

idea/idea-jvm/src/org/jetbrains/kotlin/idea/debugger/FileRankingCalculator.kt

@@ -28,6 +28,7 @@ import org.jetbrains.kotlin.psi.psiUtil.getParentOfTypes2
 import org.jetbrains.kotlin.psi.psiUtil.getParentOfTypes3
 import org.jetbrains.kotlin.psi.psiUtil.isAncestor
 import org.jetbrains.kotlin.resolve.BindingContext
+import org.jetbrains.kotlin.resolve.DescriptorUtils
 import org.jetbrains.kotlin.resolve.descriptorUtil.varargParameterPosition
 import org.jetbrains.kotlin.resolve.lazy.BodyResolveMode
 import org.jetbrains.kotlin.utils.keysToMap
@@ -107,6 +108,8 @@ abstract class FileRankingCalculator(private val checkClassFqName: Boolean = tru
     }
 
     private fun rankingForClassName(fqName: String, descriptor: ClassDescriptor, bindingContext: BindingContext): Ranking {
+        if (DescriptorUtils.isLocal(descriptor)) return Ranking.ZERO
+
         val expectedFqName = makeTypeMapper(bindingContext).mapType(descriptor).className
         return when {
             checkClassFqName -> if (expectedFqName == fqName) MAJOR else LOW

idea/testData/debugger/tinyApp/src/stepping/stepOver/stopInObjectLiteralInInlineCallWithClosureInAnonymous.kt

@@ -1,5 +1,7 @@
 package stopInObjectLiteralInInlineCallWithClosureInAnonymous
 
+// FORCE_RANKING
+
 fun main(args: Array<String>) {
     val a = 12
 

idea/tests/org/jetbrains/kotlin/idea/debugger/KotlinDebuggerTestBase.kt

@@ -65,7 +65,6 @@ import org.jetbrains.kotlin.test.InTextDirectivesUtils
 import org.jetbrains.kotlin.test.InTextDirectivesUtils.findStringWithPrefixes
 import org.jetbrains.kotlin.utils.addToStdlib.firstIsInstance
 import java.io.File
-import java.lang.AssertionError
 import javax.swing.SwingUtilities
 
 abstract class KotlinDebuggerTestBase : KotlinDebuggerTestCase() {
@@ -113,6 +112,8 @@ abstract class KotlinDebuggerTestBase : KotlinDebuggerTestCase() {
         debuggerSettings.SKIP_CLASSLOADERS = fileText.getValueForSetting("SKIP_CLASSLOADERS", oldSettings!!.SKIP_CLASSLOADERS)
         debuggerSettings.TRACING_FILTERS_ENABLED = fileText.getValueForSetting("TRACING_FILTERS_ENABLED", oldSettings!!.TRACING_FILTERS_ENABLED)
         debuggerSettings.SKIP_GETTERS = fileText.getValueForSetting("SKIP_GETTERS", oldSettings!!.SKIP_GETTERS)
+
+        DebuggerUtils.forceRanking = InTextDirectivesUtils.isDirectiveDefined(fileText, "FORCE_RANKING")
     }
 
     private fun String.getValueForSetting(name: String, defaultValue: Boolean): Boolean {
@@ -137,6 +138,8 @@ abstract class KotlinDebuggerTestBase : KotlinDebuggerTestCase() {
         debuggerSettings.SKIP_CLASSLOADERS = oldSettings!!.SKIP_CLASSLOADERS
         debuggerSettings.TRACING_FILTERS_ENABLED = oldSettings!!.TRACING_FILTERS_ENABLED
         debuggerSettings.SKIP_GETTERS = oldSettings!!.SKIP_GETTERS
+
+        DebuggerUtils.forceRanking = false
     }
 
     protected val dp: DebugProcessImpl