Activate Kotlin stack frame even if there is no Kotlin strata

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

@@ -40,7 +40,6 @@ import com.intellij.util.ThreeState
 import com.intellij.xdebugger.frame.XStackFrame
 import com.sun.jdi.AbsentInformationException
 import com.sun.jdi.Location
-import com.sun.jdi.Method
 import com.sun.jdi.ReferenceType
 import com.sun.jdi.request.ClassPrepareRequest
 import org.jetbrains.kotlin.codegen.inline.KOTLIN_STRATA_NAME
@@ -92,7 +91,9 @@ class KotlinPositionManager(private val myDebugProcess: DebugProcess) : MultiReq
     }
 
     override fun createStackFrame(frame: StackFrameProxyImpl, debugProcess: DebugProcessImpl, location: Location): XStackFrame? {
-        if (location.declaringType().containsKotlinStrata()) {
+        val declaringType = location.declaringType()
+        val fileExtension = declaringType.safeSourceName()?.toLowerCase()?.substringAfterLast('.') ?: ""
+        if (fileExtension in KotlinFileTypeFactory.KOTLIN_EXTENSIONS || declaringType.containsKotlinStrata()) {
             return KotlinStackFrame(frame)
         }
         return null

idea/testData/debugger/tinyApp/src/evaluate/singleBreakpoint/frame/suspendContinuation.kt

@@ -0,0 +1,16 @@
+package suspendContinuation
+
+suspend fun main() {
+    val a = 5
+    foo()
+    //Breakpoint!
+    val b = 4
+}
+
+suspend fun foo() {}
+
+// PRINT_FRAME
+// SHOW_KOTLIN_VARIABLES
+
+// EXPRESSION: a
+// RESULT: 5: I

idea/testData/debugger/tinyApp/src/evaluate/singleBreakpoint/frame/suspendContinuation.out

@@ -0,0 +1,42 @@
+LineBreakpoint created at suspendContinuation.kt:7
+Run Java
+Connected to the target VM
+suspendContinuation.kt:7
+Compile bytecode for a
+package suspendContinuation
+
+suspend fun main() {
+    val a = 5
+    foo()
+    //Breakpoint!
+    val b = 4
+}
+
+suspend fun foo() {}
+
+// PRINT_FRAME
+// SHOW_KOTLIN_VARIABLES
+
+// EXPRESSION: a
+// RESULT: 5: I
+ frame    = main:7, SuspendContinuationKt {suspendContinuation}
+   local    = $continuation: kotlin.coroutines.Continuation = {suspendContinuation.SuspendContinuationKt$main$1@uniqueID}Continuation at suspendContinuation.SuspendContinuationKt.main(suspendContinuation.kt:5) (sp = null)
+     field    = result: java.lang.Object = null (sp = null)
+     field    = label: int = 1 (sp = null)
+     field    = I$0: int = 5 (sp = null)
+     field    = intercepted: kotlin.coroutines.Continuation = null (sp = ContinuationImpl.!EXT!)
+     field    = _context: kotlin.coroutines.CoroutineContext = {kotlin.coroutines.EmptyCoroutineContext@uniqueID}EmptyCoroutineContext (sp = ContinuationImpl.!EXT!)
+                - No fields to display
+     field    = completion: kotlin.coroutines.Continuation = {kotlin.coroutines.intrinsics.IntrinsicsKt__IntrinsicsJvmKt$createCoroutineUnintercepted$$inlined$createCoroutineFromSuspendFunction$IntrinsicsKt__IntrinsicsJvmKt$1@uniqueID}Continuation at kotlin.coroutines.intrinsics.IntrinsicsKt__IntrinsicsJvmKt$createCoroutineUnintercepted$$inlined$createCoroutineFromSuspendFunction$IntrinsicsKt__IntrinsicsJvmKt$1 (sp = BaseContinuationImpl.!EXT!)
+       field    = label: int = 1 (sp = null)
+       field    = $completion: kotlin.coroutines.Continuation = {kotlin.coroutines.jvm.internal.RunSuspend@uniqueID} (sp = null)
+         field    = result: kotlin.Result = null (sp = RunSuspend.!EXT!)
+       field    = $this_createCoroutineUnintercepted$inlined: kotlin.jvm.functions.Function1 = {suspendContinuation.SuspendContinuationKt$$$main@uniqueID}interface kotlin.jvm.functions.Function1 (sp = null)
+         field    = args: java.lang.String[] = {java.lang.String[0]@uniqueID} (sp = null)
+         field    = arity: int = 1 (sp = Lambda.!EXT!)
+       field    = completion: kotlin.coroutines.Continuation = {kotlin.coroutines.jvm.internal.RunSuspend@uniqueID} (sp = BaseContinuationImpl.!EXT!)
+         field    = result: kotlin.Result = null (sp = RunSuspend.!EXT!)
+   local    = a: int = 5 (sp = suspendContinuation.kt, 4)
+Disconnected from the target VM
+
+Process finished with exit code 0

idea/tests/org/jetbrains/kotlin/idea/debugger/evaluate/KotlinEvaluateExpressionTestGenerated.java

@@ -724,6 +724,11 @@ public class KotlinEvaluateExpressionTestGenerated extends AbstractKotlinEvaluat
             public void testFrameThis0This0() throws Exception {
                 runTest("idea/testData/debugger/tinyApp/src/evaluate/singleBreakpoint/frame/frameThis0This0.kt");
             }
+
+            @TestMetadata("suspendContinuation.kt")
+            public void testSuspendContinuation() throws Exception {
+                runTest("idea/testData/debugger/tinyApp/src/evaluate/singleBreakpoint/frame/suspendContinuation.kt");
+            }
         }
 
         @TestMetadata("idea/testData/debugger/tinyApp/src/evaluate/singleBreakpoint/javaContext")