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[debugger] Collect ALL continuations up to the CoroutineOwner for the top stack frame.

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`CoroutinesDebugHelper#getCoroutineStackTraceDump` added a frame to the async stack trace only if the corresponding continuation was an instance of `kotlin.coroutines.BaseContinuationImpl`. But that's not always true, e.g. for `DispatchedContinuation` in case of `withContext`.

So, collect frames with `kotlin.coroutines.CoroutineStackFrame#callerFrame` and extract spilled variables if a continuation is an instance of `BaseContinuationImpl`

IDEA-370748

GitOrigin-RevId: 4a722eba06bbc6e893d9f4edba3ac773510c7ea0
This commit is contained in:
Maria Sokolova
2025-04-22 09:56:24 +02:00
committed by intellij-monorepo-bot
parent e457877aa4
commit a3fc531e9f
1 changed files with 22 additions and 12 deletions
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34
java/java-runtime/src/com/intellij/rt/debugger/coroutines/CoroutinesDebugHelper.java
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@@ -6,6 +6,7 @@ import com.intellij.rt.debugger.JsonUtils;
import java.lang.reflect.Field;
import java.lang.reflect.Method;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
public final class CoroutinesDebugHelper {
@@ -13,6 +14,7 @@ public final class CoroutinesDebugHelper {
private static final String COROUTINE_OWNER_CLASS = "CoroutineOwner";
private static final String DEBUG_METADATA_FQN = "kotlin.coroutines.jvm.internal.DebugMetadataKt";
private static final String BASE_CONTINUATION_FQN = "kotlin.coroutines.jvm.internal.BaseContinuationImpl";
private static final String COROUTINE_STACK_FRAME_FQN = "kotlin.coroutines.jvm.internal.CoroutineStackFrame";
private static final String DEBUG_COROUTINE_INFO_FQN = "kotlinx.coroutines.debug.internal.DebugCoroutineInfo";
private static final String COROUTINE_CONTEXT_FQN = "kotlin.coroutines.CoroutineContext";
private static final String COROUTINE_JOB_FQN = "kotlinx.coroutines.Job";
@@ -99,26 +101,34 @@ public final class CoroutinesDebugHelper {
ClassLoader loader = continuation.getClass().getClassLoader();
Class<?> debugMetadata = Class.forName(DEBUG_METADATA_FQN, false, loader);
Class<?> baseContinuation = Class.forName(BASE_CONTINUATION_FQN, false, loader);
Method getStackTraceElement = debugMetadata.getDeclaredMethod("getStackTraceElement", baseContinuation);
getStackTraceElement.setAccessible(true);
Class<?> coroutineStackFrame = Class.forName(COROUTINE_STACK_FRAME_FQN, false, loader);
Method getStackTraceElement = coroutineStackFrame.getDeclaredMethod("getStackTraceElement");
Method callerFrame = coroutineStackFrame.getDeclaredMethod("getCallerFrame");
Method getSpilledVariableFieldMapping = debugMetadata.getDeclaredMethod("getSpilledVariableFieldMapping", baseContinuation);
getSpilledVariableFieldMapping.setAccessible(true);
Object current = continuation;
do {
StackTraceElement stackTraceElement = (StackTraceElement)getStackTraceElement.invoke(null, current);
while(current != null && coroutineStackFrame.isInstance(current) && !isCoroutineOwner(current)) {
StackTraceElement stackTraceElement = (StackTraceElement)getStackTraceElement.invoke(current);
continuationStackElements.add(stackTraceElement);
List<String> fields = new ArrayList<>();
List<String> names = new ArrayList<>();
extractSpilledVariables(current, names, fields, getSpilledVariableFieldMapping);
variableNames.add(names);
fieldNames.add(fields);
continuationStack.add(current);
if (baseContinuation.isInstance(current)) {
List<String> fields = new ArrayList<>();
List<String> names = new ArrayList<>();
current = invoke(current, "getCompletion");
extractSpilledVariables(current, names, fields, getSpilledVariableFieldMapping);
variableNames.add(names);
fieldNames.add(fields);
} else {
variableNames.add(Collections.<String>emptyList());
fieldNames.add(Collections.<String>emptyList());
}
continuationStack.add(current);
current = invoke(current, callerFrame);
}
while (current != null && baseContinuation.isInstance(current));
List<StackTraceElement> creationStack = null;
if (current != null && isCoroutineOwner(current)) {