From 6c9e48d80024ed4548de6d969eff21d1583ba256 Mon Sep 17 00:00:00 2001
From: Maria Sokolova <maria.sokolova@jetbrains.com>
Date: Mon, 26 Jan 2026 14:08:49 +0100
Subject: [PATCH] [debugger] Introduced XExecutionStackGroupContainer.

IJPL-223919

GitOrigin-RevId: c92bbec303d07f4bfe42b8dc771cf8233b5fe626
---
 .../debugger/engine/JavaDebugProcess.java     |  1 +
 .../xdebugger/frame/XSuspendContext.java      | 24 +++++++++++++++++++
 2 files changed, 25 insertions(+)

diff --git a/java/debugger/impl/src/com/intellij/debugger/engine/JavaDebugProcess.java b/java/debugger/impl/src/com/intellij/debugger/engine/JavaDebugProcess.java
index c403219cd2d8..92f9ef7ec951 100644
--- a/java/debugger/impl/src/com/intellij/debugger/engine/JavaDebugProcess.java
+++ b/java/debugger/impl/src/com/intellij/debugger/engine/JavaDebugProcess.java
@@ -14,6 +14,7 @@ import com.intellij.debugger.impl.DebuggerContextListener;
 import com.intellij.debugger.impl.DebuggerContextUtil;
 import com.intellij.debugger.impl.DebuggerSession;
 import com.intellij.debugger.impl.DebuggerStateManager;
+import com.intellij.debugger.impl.DebuggerUtilsAsync;
 import com.intellij.debugger.impl.DebuggerUtilsEx;
 import com.intellij.debugger.impl.DebuggerUtilsImpl;
 import com.intellij.debugger.impl.PrioritizedTask;
diff --git a/platform/xdebugger-api/src/com/intellij/xdebugger/frame/XSuspendContext.java b/platform/xdebugger-api/src/com/intellij/xdebugger/frame/XSuspendContext.java
index 66aa67c3715a..eb5a312fff09 100644
--- a/platform/xdebugger-api/src/com/intellij/xdebugger/frame/XSuspendContext.java
+++ b/platform/xdebugger-api/src/com/intellij/xdebugger/frame/XSuspendContext.java
@@ -7,6 +7,7 @@ import org.jetbrains.annotations.ApiStatus;
 import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
 
+import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.List;
 
@@ -45,4 +46,27 @@ public abstract class XSuspendContext {
   public interface XExecutionStackContainer extends XValueCallback, Obsolescent {
     void addExecutionStack(@NotNull List<? extends XExecutionStack> executionStacks, final boolean last);
   }
+
+  @ApiStatus.Internal
+  public interface XExecutionStackGroupContainer extends XExecutionStackContainer {
+    default void addExecutionStackGroups(@NotNull List<? extends XExecutionStackGroup> executionStackGroups, final boolean last) {
+      addExecutionStack(flattenGroups(executionStackGroups), last);
+    }
+
+    private static List<XExecutionStack> flattenGroups(List<? extends XExecutionStackGroup> groups) {
+      List<XExecutionStack> result = new ArrayList<>();
+      collectStacks(groups, result);
+      return result;
+    }
+
+    private static void collectStacks(List<? extends XExecutionStackGroup> groups, List<XExecutionStack> result) {
+      for (XExecutionStackGroup group : groups) {
+        result.addAll(group.getStacks());
+        var subGroups = group.getGroups();
+        if (!subGroups.isEmpty()) {
+          collectStacks(subGroups, result);
+        }
+      }
+    }
+  }
 }