/** Test JDI equals() and hashCode(). */
public void testJDIEquality() {
assertTrue("1", fField.equals(fField));
Field other = getField("fString");
assertTrue("2", !fField.equals(other));
assertTrue("3", !fField.equals(new Object()));
assertTrue("4", !fField.equals(null));
}
public FieldDescriptorImpl(Project project, ObjectReference objRef, @NotNull Field field) {
super(project);
myObject = objRef;
myField = field;
myIsStatic = field.isStatic();
setLvalue(!field.isFinal());
}
protected boolean shouldDisplay(
EvaluationContext context, @NotNull ObjectReference objInstance, @NotNull Field field) {
final boolean isSynthetic = DebuggerUtils.isSynthetic(field);
if (!SHOW_SYNTHETICS && isSynthetic) {
return false;
}
if (SHOW_VAL_FIELDS_AS_LOCAL_VARIABLES && isSynthetic) {
try {
final StackFrameProxy frameProxy = context.getFrameProxy();
if (frameProxy != null) {
final Location location = frameProxy.location();
if (location != null
&& objInstance.equals(context.getThisObject())
&& Comparing.equal(objInstance.referenceType(), location.declaringType())
&& StringUtil.startsWith(
field.name(), FieldDescriptorImpl.OUTER_LOCAL_VAR_FIELD_PREFIX)) {
return false;
}
}
} catch (EvaluateException ignored) {
}
}
if (!SHOW_STATIC && field.isStatic()) {
return false;
}
if (!SHOW_STATIC_FINAL && field.isStatic() && field.isFinal()) {
return false;
}
return true;
}
@Override
public String getName() {
String name = myField.name();
if (myField.isStatic()
&& !(myField.declaringType().name().equals(myParent.referenceType().name()))) {
name = name + " (" + myField.declaringType().name() + ")";
}
return name;
}
@Override
public String calcValueName() {
if (NodeRendererSettings.getInstance().getClassRenderer().SHOW_DECLARED_TYPE) {
return addDeclaredType(myField.typeName());
}
return super.calcValueName();
}
/** Test JDI type(). */
public void testJDIType() {
try {
assertEquals("1", getMainClass(), fField.type());
} catch (ClassNotLoadedException e) {
assertTrue("2", false);
}
}
public boolean isOuterLocalVariableValue() {
try {
return DebuggerUtils.isSynthetic(myField)
&& myField.name().startsWith(OUTER_LOCAL_VAR_FIELD_PREFIX);
} catch (UnsupportedOperationException ignored) {
return false;
}
}
@Override
public Value calcValue(EvaluationContextImpl evaluationContext) throws EvaluateException {
DebuggerManagerThreadImpl.assertIsManagerThread();
try {
return (myObject != null)
? myObject.getValue(myField)
: myField.declaringType().getValue(myField);
} catch (ObjectCollectedException ignored) {
throw EvaluateExceptionUtil.OBJECT_WAS_COLLECTED;
}
}
@Override
public String getName() {
final String fieldName = myField.name();
if (isOuterLocalVariableValue()
&& NodeRendererSettings.getInstance()
.getClassRenderer()
.SHOW_VAL_FIELDS_AS_LOCAL_VARIABLES) {
return StringUtil.trimStart(fieldName, OUTER_LOCAL_VAR_FIELD_PREFIX);
}
return fieldName;
}
@Override
public boolean isPrimitive() {
if (myIsPrimitive == null) {
final Value value = getValue();
if (value != null) {
myIsPrimitive = super.isPrimitive();
} else {
myIsPrimitive = DebuggerUtils.isPrimitiveType(myField.typeName());
}
}
return myIsPrimitive.booleanValue();
}
@Override
public String calcValueName() {
String res = super.calcValueName();
if (Boolean.TRUE.equals(getUserData(SHOW_DECLARING_TYPE))) {
return NodeRendererSettings.getInstance()
.getClassRenderer()
.renderTypeName(myField.declaringType().name())
+ "."
+ res;
}
return res;
}
private void dump(
OutputSink out, ObjectReference obj, ReferenceType refType, ReferenceType refTypeBase) {
for (Field field : refType.fields()) {
out.print(" ");
if (!refType.equals(refTypeBase)) {
out.print(refType.name() + ".");
}
out.print(field.name() + ": ");
Object o = obj.getValue(field);
out.println((o == null) ? "null" : o.toString()); // Bug ID 4374471
}
if (refType instanceof ClassType) {
ClassType sup = ((ClassType) refType).superclass();
if (sup != null) {
dump(out, obj, sup, refTypeBase);
}
} else if (refType instanceof InterfaceType) {
for (InterfaceType sup : ((InterfaceType) refType).superinterfaces()) {
dump(out, obj, sup, refTypeBase);
}
}
}
public void setValue(Field field, Value value)
throws InvalidTypeException, ClassNotLoadedException {
validateMirror(field);
validateMirrorOrNull(value);
validateFieldSet(field);
// More validation specific to setting from a ClassType
if (!field.isStatic()) {
throw new IllegalArgumentException("Must set non-static field through an instance");
}
try {
JDWP.ClassType.SetValues.FieldValue[] values = new JDWP.ClassType.SetValues.FieldValue[1];
values[0] =
new JDWP.ClassType.SetValues.FieldValue(
((FieldImpl) field).ref(),
// validate and convert if necessary
ValueImpl.prepareForAssignment(value, (FieldImpl) field));
try {
JDWP.ClassType.SetValues.process(vm, this, values);
} catch (JDWPException exc) {
throw exc.toJDIException();
}
} catch (ClassNotLoadedException e) {
/*
* Since we got this exception,
* the field type must be a reference type. The value
* we're trying to set is null, but if the field's
* class has not yet been loaded through the enclosing
* class loader, then setting to null is essentially a
* no-op, and we should allow it without an exception.
*/
if (value != null) {
throw e;
}
}
}
@Override
public PsiExpression getDescriptorEvaluation(DebuggerContext context) throws EvaluateException {
PsiElementFactory elementFactory = JavaPsiFacade.getInstance(myProject).getElementFactory();
String fieldName;
if (isStatic()) {
String typeName = myField.declaringType().name().replace('$', '.');
typeName =
DebuggerTreeNodeExpression.normalize(
typeName, PositionUtil.getContextElement(context), myProject);
fieldName = typeName + "." + getName();
} else {
//noinspection HardCodedStringLiteral
fieldName =
isOuterLocalVariableValue()
? StringUtil.trimStart(getName(), OUTER_LOCAL_VAR_FIELD_PREFIX)
: "this." + getName();
}
try {
return elementFactory.createExpressionFromText(fieldName, null);
} catch (IncorrectOperationException e) {
throw new EvaluateException(DebuggerBundle.message("error.invalid.field.name", getName()), e);
}
}
// copied from FrameVariablesTree
private void buildVariables(
DebuggerContextImpl debuggerContext,
final EvaluationContextImpl evaluationContext,
@NotNull DebugProcessImpl debugProcess,
XValueChildrenList children,
ObjectReference thisObjectReference,
Location location)
throws EvaluateException {
final Set<String> visibleLocals = new HashSet<String>();
if (NodeRendererSettings.getInstance().getClassRenderer().SHOW_VAL_FIELDS_AS_LOCAL_VARIABLES) {
if (thisObjectReference != null
&& debugProcess.getVirtualMachineProxy().canGetSyntheticAttribute()) {
final ReferenceType thisRefType = thisObjectReference.referenceType();
if (thisRefType instanceof ClassType
&& location != null
&& thisRefType.equals(location.declaringType())
&& thisRefType.name().contains("$")) { // makes sense for nested classes only
for (Field field : thisRefType.fields()) {
if (DebuggerUtils.isSynthetic(field)
&& StringUtil.startsWith(
field.name(), FieldDescriptorImpl.OUTER_LOCAL_VAR_FIELD_PREFIX)) {
final FieldDescriptorImpl fieldDescriptor =
myNodeManager.getFieldDescriptor(myDescriptor, thisObjectReference, field);
children.add(JavaValue.create(fieldDescriptor, evaluationContext, myNodeManager));
visibleLocals.add(fieldDescriptor.calcValueName());
}
}
}
}
}
boolean myAutoWatchMode = DebuggerSettings.getInstance().AUTO_VARIABLES_MODE;
if (evaluationContext == null) {
return;
}
final SourcePosition sourcePosition = debuggerContext.getSourcePosition();
if (sourcePosition == null) {
return;
}
try {
if (!XDebuggerSettingsManager.getInstance().getDataViewSettings().isAutoExpressions()
&& !myAutoWatchMode) {
// optimization
superBuildVariables(evaluationContext, children);
} else {
final Map<String, LocalVariableProxyImpl> visibleVariables =
getVisibleVariables(getStackFrameProxy());
final Pair<Set<String>, Set<TextWithImports>> usedVars =
ApplicationManager.getApplication()
.runReadAction(
new Computable<Pair<Set<String>, Set<TextWithImports>>>() {
@Override
public Pair<Set<String>, Set<TextWithImports>> compute() {
return findReferencedVars(
ContainerUtil.union(visibleVariables.keySet(), visibleLocals),
sourcePosition);
}
});
// add locals
if (myAutoWatchMode) {
for (String var : usedVars.first) {
LocalVariableProxyImpl local = visibleVariables.get(var);
if (local != null) {
children.add(
JavaValue.create(
myNodeManager.getLocalVariableDescriptor(null, local),
evaluationContext,
myNodeManager));
}
}
} else {
superBuildVariables(evaluationContext, children);
}
final EvaluationContextImpl evalContextCopy =
evaluationContext.createEvaluationContext(evaluationContext.getThisObject());
evalContextCopy.setAutoLoadClasses(false);
final Set<TextWithImports> extraVars =
computeExtraVars(usedVars, sourcePosition, evaluationContext);
// add extra vars
addToChildrenFrom(extraVars, children, evaluationContext);
// add expressions
addToChildrenFrom(usedVars.second, children, evalContextCopy);
}
} catch (EvaluateException e) {
if (e.getCause() instanceof AbsentInformationException) {
children.add(
new DummyMessageValueNode(
MessageDescriptor.LOCAL_VARIABLES_INFO_UNAVAILABLE.getLabel(),
XDebuggerUIConstants.INFORMATION_MESSAGE_ICON));
// trying to collect values from variable slots
try {
for (Map.Entry<DecompiledLocalVariable, Value> entry :
LocalVariablesUtil.fetchValues(getStackFrameProxy(), debugProcess).entrySet()) {
children.add(
JavaValue.create(
myNodeManager.getArgumentValueDescriptor(
null, entry.getKey(), entry.getValue()),
evaluationContext,
myNodeManager));
}
} catch (Exception ex) {
LOG.info(ex);
}
} else {
throw e;
}
}
}
/** Test JDI isTransient(). */
public void testJDIIsTransient() {
assertTrue("1", !fField.isTransient());
}
public int hashCode() {
return myField.hashCode();
}
@Nullable
@Override
public String getDeclaredType() {
return myField.typeName();
}
/** Test JDI typeName(). */
public void testJDITypeName() {
assertEquals("1", "org.eclipse.debug.jdi.tests.program.MainClass", fField.typeName());
}
/** Test JDI isVolatile(). */
public void testJDIIsVolatile() {
assertTrue("1", !fField.isVolatile());
}
@Override
public String getName() {
return myField.name();
}