IDEA-323195 "Object has been collected" error during breakpoint condition evaluation - method invoker helper prototype

GitOrigin-RevId: 0c00a502ca662d95e7ef7cb1274cf2031793c885
This commit is contained in:
Egor Ushakov
2024-09-13 11:59:20 +02:00
committed by intellij-monorepo-bot
parent 89a6bb2175
commit eac3151e29
5 changed files with 196 additions and 43 deletions

View File

@@ -6,6 +6,7 @@ import com.intellij.ReviseWhenPortedToJDK;
import com.intellij.debugger.*;
import com.intellij.debugger.actions.DebuggerAction;
import com.intellij.debugger.engine.evaluation.*;
import com.intellij.debugger.engine.evaluation.expression.BoxingEvaluator;
import com.intellij.debugger.engine.evaluation.expression.RetryEvaluationException;
import com.intellij.debugger.engine.events.DebuggerCommandImpl;
import com.intellij.debugger.engine.events.DebuggerContextCommandImpl;
@@ -63,14 +64,13 @@ import com.intellij.openapi.wm.impl.status.StatusBarUtil;
import com.intellij.psi.CommonClassNames;
import com.intellij.psi.PsiFile;
import com.intellij.psi.PsiManager;
import com.intellij.psi.impl.PsiJavaParserFacadeImpl;
import com.intellij.psi.search.GlobalSearchScope;
import com.intellij.rt.debugger.MethodInvoker;
import com.intellij.ui.awt.AnchoredPoint;
import com.intellij.ui.classFilter.ClassFilter;
import com.intellij.ui.classFilter.DebuggerClassFilterProvider;
import com.intellij.util.Alarm;
import com.intellij.util.EventDispatcher;
import com.intellij.util.ObjectUtils;
import com.intellij.util.SingleEdtTaskScheduler;
import com.intellij.util.*;
import com.intellij.util.concurrency.EdtScheduler;
import com.intellij.util.concurrency.Semaphore;
import com.intellij.util.containers.ContainerUtil;
@@ -1487,16 +1487,86 @@ public abstract class DebugProcessImpl extends UserDataHolderBase implements Deb
@NotNull List<? extends Value> args,
final int invocationOptions,
boolean internalEvaluate) throws EvaluateException {
return new InvokeCommand<>(method, args, (EvaluationContextImpl)evaluationContext) {
@Override
protected Value invokeMethod(ThreadReference thread, int invokePolicy, Method method, List<? extends Value> args)
throws InvocationException, ClassNotLoadedException, IncompatibleThreadStateException, InvalidTypeException {
if (LOG.isDebugEnabled()) {
LOG.debug("Invoking " + objRef.type().name() + "." + method.name());
if (!internalEvaluate && shouldInvokeWithHandler(method, invocationOptions)) {
return invokeWithHelper(method.declaringType(), objRef, method, args, (EvaluationContextImpl)evaluationContext);
}
else {
return new InvokeCommand<>(method, args, (EvaluationContextImpl)evaluationContext) {
@Override
protected Value invokeMethod(ThreadReference thread, int invokePolicy, Method method, List<? extends Value> args)
throws InvocationException, ClassNotLoadedException, IncompatibleThreadStateException, InvalidTypeException {
if (LOG.isDebugEnabled()) {
LOG.debug("Invoking " + objRef.type().name() + "." + method.name());
}
return objRef.invokeMethod(thread, method, args, invokePolicy | invocationOptions);
}
return objRef.invokeMethod(thread, method, args, invokePolicy | invocationOptions);
}.start(internalEvaluate);
}
}
private static boolean shouldInvokeWithHandler(@NotNull Method method, int invocationOptions) {
return Registry.is("debugger.evaluate.method.helper") &&
!BitUtil.isSet(invocationOptions, ObjectReference.INVOKE_NONVIRTUAL) &&
!DebuggerUtils.isPrimitiveType(method.returnTypeName()) &&
!DebuggerUtilsEx.isVoid(method) &&
method.isPublic();
}
private static @Nullable Value invokeWithHelper(@NotNull ReferenceType type,
@Nullable ObjectReference objRef,
@NotNull Method method,
@NotNull List<? extends Value> args,
@NotNull EvaluationContextImpl evaluationContext) throws EvaluateException {
try {
DebugProcessImpl debugProcess = evaluationContext.getDebugProcess();
VirtualMachineProxyImpl virtualMachineProxy = debugProcess.getVirtualMachineProxy();
ArrayList<Value> invokerArgs = new ArrayList<>();
invokerArgs.add(type.classObject()); // class
invokerArgs.add(objRef); // object
invokerArgs.add(DebuggerUtilsEx.mirrorOfString(method.name(), virtualMachineProxy, evaluationContext)); // method name
// argument types
List<ClassObjectReference> types = mapArgumentTypes(method, evaluationContext);
ArrayType objectArrayClass = (ArrayType)debugProcess.findClass(
evaluationContext,
CommonClassNames.JAVA_LANG_OBJECT + "[]",
evaluationContext.getClassLoader());
ArrayReference arrayTypes = DebuggerUtilsEx.mirrorOfArray(objectArrayClass, types, evaluationContext);
invokerArgs.add(arrayTypes);
// argument values
List<Value> boxedArgs = new ArrayList<>(args.size());
for (Value arg : args) {
boxedArgs.add((Value)BoxingEvaluator.box(arg, evaluationContext));
}
}.start(internalEvaluate);
if (method.isVarArgs() /*|| (method.isBridge() && ContainerUtil.getLastItem(method.argumentTypes()) instanceof ArrayType)*/) {
MethodImpl.handleVarArgs(method, boxedArgs);
}
ArrayReference arrayArgs = DebuggerUtilsEx.mirrorOfArray(objectArrayClass, boxedArgs, evaluationContext);
invokerArgs.add(arrayArgs);
return DebuggerUtilsImpl.invokeHelperMethod(evaluationContext, MethodInvoker.class, "invoke", invokerArgs, false);
}
catch (ClassNotLoadedException | InvalidTypeException e) {
throw new EvaluateException(e.getMessage(), e);
}
}
private static List<ClassObjectReference> mapArgumentTypes(@NotNull Method method, @NotNull EvaluationContextImpl evaluationContext)
throws ClassNotLoadedException, EvaluateException {
List<ClassObjectReference> res = new ArrayList<>();
for (Type type : method.argumentTypes()) {
if (type instanceof PrimitiveType) {
String boxedName = PsiJavaParserFacadeImpl.getPrimitiveType(type.name()).getBoxedTypeName();
ReferenceType boxedClass =
evaluationContext.getDebugProcess().findClass(evaluationContext, boxedName, method.declaringType().classLoader());
Value primitiveClass = boxedClass.getValue(boxedClass.fieldByName("TYPE"));
res.add((ClassObjectReference)primitiveClass);
}
else {
res.add(((ReferenceType)type).classObject());
}
}
return res;
}
private static ThreadReferenceProxy getEvaluationThread(final EvaluationContext evaluationContext) throws EvaluateException {
@@ -1535,41 +1605,51 @@ public abstract class DebugProcessImpl extends UserDataHolderBase implements Deb
@NotNull List<? extends Value> args,
int extraInvocationOptions,
boolean internalEvaluate) throws EvaluateException {
return new InvokeCommand<>(method, args, (EvaluationContextImpl)evaluationContext) {
@Override
protected Value invokeMethod(ThreadReference thread, int invokePolicy, Method method, List<? extends Value> args)
throws InvocationException, ClassNotLoadedException, IncompatibleThreadStateException, InvalidTypeException {
if (LOG.isDebugEnabled()) {
LOG.debug("Invoking " + classType.name() + "." + method.name());
if (!internalEvaluate && shouldInvokeWithHandler(method, extraInvocationOptions)) {
return invokeWithHelper(classType, null, method, args, (EvaluationContextImpl)evaluationContext);
}
else {
return new InvokeCommand<>(method, args, (EvaluationContextImpl)evaluationContext) {
@Override
protected Value invokeMethod(ThreadReference thread, int invokePolicy, Method method, List<? extends Value> args)
throws InvocationException, ClassNotLoadedException, IncompatibleThreadStateException, InvalidTypeException {
if (LOG.isDebugEnabled()) {
LOG.debug("Invoking " + classType.name() + "." + method.name());
}
return classType.invokeMethod(thread, method, args, invokePolicy | extraInvocationOptions);
}
return classType.invokeMethod(thread, method, args, invokePolicy | extraInvocationOptions);
}
}.start(internalEvaluate);
}.start(internalEvaluate);
}
}
public Value invokeMethod(EvaluationContext evaluationContext,
InterfaceType interfaceType,
Method method,
List<? extends Value> args) throws EvaluateException {
return new InvokeCommand<>(method, args, (EvaluationContextImpl)evaluationContext) {
@Override
protected Value invokeMethod(ThreadReference thread, int invokePolicy, Method method, List<? extends Value> args)
throws InvocationException, ClassNotLoadedException, IncompatibleThreadStateException, InvalidTypeException {
if (LOG.isDebugEnabled()) {
LOG.debug("Invoking " + interfaceType.name() + "." + method.name());
}
if (shouldInvokeWithHandler(method, 0)) {
return invokeWithHelper(interfaceType, null, method, args, (EvaluationContextImpl)evaluationContext);
}
else {
return new InvokeCommand<>(method, args, (EvaluationContextImpl)evaluationContext) {
@Override
protected Value invokeMethod(ThreadReference thread, int invokePolicy, Method method, List<? extends Value> args)
throws InvocationException, ClassNotLoadedException, IncompatibleThreadStateException, InvalidTypeException {
if (LOG.isDebugEnabled()) {
LOG.debug("Invoking " + interfaceType.name() + "." + method.name());
}
try {
return interfaceType.invokeMethod(thread, method, args, invokePolicy);
try {
return interfaceType.invokeMethod(thread, method, args, invokePolicy);
}
catch (LinkageError e) {
throw new IllegalStateException("Interface method invocation is not supported in JVM " +
SystemInfo.JAVA_VERSION +
". Use JVM 1.8.0_45 or higher to run " +
ApplicationNamesInfo.getInstance().getFullProductName());
}
}
catch (LinkageError e) {
throw new IllegalStateException("Interface method invocation is not supported in JVM " +
SystemInfo.JAVA_VERSION +
". Use JVM 1.8.0_45 or higher to run " +
ApplicationNamesInfo.getInstance().getFullProductName());
}
}
}.start(false);
}.start(false);
}
}

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@@ -1441,7 +1441,10 @@ public final class EvaluatorBuilderImpl implements EvaluatorBuilder {
public void visitMethodReferenceExpression(@NotNull PsiMethodReferenceExpression expression) {
PsiElement qualifier = expression.getQualifier();
PsiType interfaceType = expression.getFunctionalInterfaceType();
if (!Registry.is("debugger.compiling.evaluator.method.refs") && interfaceType != null && qualifier != null) {
if (!Registry.is("debugger.compiling.evaluator.method.refs") &&
!Registry.is("debugger.evaluate.method.helper") &&
interfaceType != null &&
qualifier != null) {
String code = null;
try {
PsiElement resolved = expression.resolve();

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@@ -560,20 +560,31 @@ public final class DebuggerUtilsImpl extends DebuggerUtilsEx {
return null;
}
public static Value invokeHelperMethod(EvaluationContextImpl evaluationContext, Class<?> cls, String methodName, List<Value> arguments)
throws EvaluateException {
public static Value invokeHelperMethod(EvaluationContextImpl evaluationContext,
Class<?> cls,
String methodName,
List<Value> arguments,
boolean keepResult) throws EvaluateException {
ClassType helperClass = ClassLoadingUtils.getHelperClass(cls, evaluationContext);
if (helperClass != null) {
Method method = findMethod(helperClass, methodName, null);
if (method != null) {
DebugProcessImpl debugProcess = evaluationContext.getDebugProcess();
return evaluationContext.computeAndKeep(
() -> debugProcess.invokeMethod(evaluationContext, helperClass, method, arguments, MethodImpl.SKIP_ASSIGNABLE_CHECK, true));
ThrowableComputable<Value, EvaluateException> invoker =
() -> debugProcess.invokeMethod(evaluationContext, helperClass, method, arguments, MethodImpl.SKIP_ASSIGNABLE_CHECK, true);
return keepResult ? evaluationContext.computeAndKeep(invoker) : invoker.compute();
}
}
return null;
}
public static Value invokeHelperMethod(EvaluationContextImpl evaluationContext,
Class<?> cls,
String methodName,
List<Value> arguments) throws EvaluateException {
return invokeHelperMethod(evaluationContext, cls, methodName, arguments, true);
}
@Nullable
public static String getExceptionText(EvaluationContextImpl evaluationContext, @NotNull ObjectReference exceptionObject)
throws EvaluateException {

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@@ -0,0 +1,57 @@
// Copyright 2000-2024 JetBrains s.r.o. and contributors. Use of this source code is governed by the Apache 2.0 license.
package com.intellij.rt.debugger;
import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;
import java.util.ArrayList;
import java.util.List;
public final class MethodInvoker {
// TODO: may leak objects here
static ThreadLocal<Object> returnValue = new ThreadLocal<>();
public static Object invoke(Class cls, Object obj, String name, Class[] parameterTypes, Object[] args)
throws Throwable {
ArrayList<Method> methods = new ArrayList<>();
// TODO: better collect methods lazily
addMatchingMethods(methods, cls, name, parameterTypes);
for (Method method : methods) {
try {
method.setAccessible(true);
Object res = method.invoke(obj, args);
returnValue.set(res); // to avoid gc for the result object
return res;
}
catch (InvocationTargetException e) {
throw e.getCause();
}
catch (IllegalAccessException | SecurityException e) {
// try the next method
}
catch (Exception e) {
// InaccessibleObjectException appeared in jdk 9
if (!"java.lang.reflect.InaccessibleObjectException".equals(e.getClass().getName())) {
throw e;
}
// try the next method
}
}
throw new RuntimeException("Unable to execute the method " + name);
}
//TODO: avoid recursion
private static void addMatchingMethods(List<Method> methods, Class cls, String name, Class[] parameterTypes) {
try {
methods.add(cls.getDeclaredMethod(name, parameterTypes));
}
catch (NoSuchMethodException ignored) {
}
Class superclass = cls.getSuperclass();
if (superclass != null) {
addMatchingMethods(methods, superclass, name, parameterTypes);
}
for (Class anInterface : cls.getInterfaces()) {
addMatchingMethods(methods, anInterface, name, parameterTypes);
}
}
}

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@@ -644,6 +644,8 @@ debugger.variablesView.rss.depth=4
debugger.variablesView.rss.depth.description=Depth of search in variables view
debugger.attach.to.process.action=false
debugger.sa.jdwp.debug=false
debugger.evaluate.method.helper=false
debugger.evaluate.method.helper.description=Use helper to invoke methods avoiding the immediate return value collection
debugger.evaluate.single.threaded.timeout=1000
debugger.evaluate.single.threaded.timeout.description=Number of milliseconds to evaluate resuming only the current thread, then resume all threads
debugger.new.invocation.watcher=true