private EvaluatedExpression GetArrayElement(EvaluatedExpression array, EvaluatedExpression index)
{
Contract.Requires <ArgumentNullException>(array != null, "array");
Contract.Requires <ArgumentNullException>(index != null, "index");
Contract.Ensures(Contract.Result <EvaluatedExpression>() != null);
IArrayReference arrayReference = array.Value as IArrayReference;
if (arrayReference == null)
{
throw new InvalidOperationException();
}
long indexValue;
if (TryGetIntegralValue(index.Value, out indexValue))
{
string name = string.Format("[{0}]", indexValue);
string fullName = string.Format("({0})[{1}]", array.FullName, index.FullName);
ILocalVariable localVariable = array.LocalVariable;
IObjectReference referencer = array.Value as IObjectReference;
IField field = array.Field;
IMethod method = null;
IValue value = arrayReference.GetValue((int)indexValue);
IType valueType = ((IArrayType)arrayReference.GetReferenceType()).GetComponentType();
bool strongReference = false;
return(new EvaluatedExpression(name, fullName, localVariable, referencer, field, method, (int)indexValue, value, valueType, strongReference, array.HasSideEffects || index.HasSideEffects));
}
throw new InvalidOperationException();
}
private static bool TryGetCollectionValues(IObjectReference objectReference, out ReadOnlyCollection <IValue> values, out IType elementType)
{
IArrayReference arrayReference = objectReference as IArrayReference;
if (arrayReference == null)
{
int size;
if (TryGetCollectionSize(objectReference, out size))
{
IClassType classType = objectReference.GetReferenceType() as IClassType;
if (classType != null)
{
IObjectReference collectionObject = null;
ReadOnlyCollection <IInterfaceType> interfaces = classType.GetInterfaces(true);
if (interfaces.Any(i => i.GetName() == "java.util.Collection"))
{
collectionObject = objectReference;
}
else if (interfaces.Any(i => i.GetName() == "java.util.Map"))
{
IMethod entrySetMethod = classType.GetConcreteMethod("entrySet", "()Ljava/util/Set;");
IStrongValueHandle <IValue> result = objectReference.InvokeMethod(null, entrySetMethod, InvokeOptions.None);
if (result != null)
{
collectionObject = result.Value as IObjectReference;
}
}
if (collectionObject != null)
{
IClassType collectionObjectType = collectionObject.GetReferenceType() as IClassType;
if (collectionObjectType != null)
{
IMethod toArrayMethod = collectionObjectType.GetConcreteMethod("toArray", "()[Ljava/lang/Object;");
IStrongValueHandle <IValue> result = collectionObject.InvokeMethod(null, toArrayMethod, InvokeOptions.None);
if (result != null)
{
arrayReference = result.Value as IArrayReference;
}
}
}
}
}
}
if (arrayReference != null)
{
values = arrayReference.GetValues();
IArrayType arrayType = (IArrayType)arrayReference.GetReferenceType();
elementType = arrayType.GetComponentType();
return(true);
}
values = null;
elementType = null;
return(false);
}
private EvaluatedExpression GetField(EvaluatedExpression value, string name)
{
Contract.Requires <ArgumentNullException>(value != null, "value");
Contract.Requires <ArgumentNullException>(name != null, "name");
Contract.Requires <ArgumentException>(!string.IsNullOrEmpty(name));
IArrayReference arrayValue = value.Value as IArrayReference;
if (arrayValue != null)
{
if (name == "length")
{
string fullName = string.Format("({0}).{1}", value.FullName, name);
return(new EvaluatedExpression(name, fullName, _stackFrame.GetVirtualMachine().GetMirrorOf(arrayValue.GetLength()), value.HasSideEffects));
}
else
{
throw new InvalidOperationException();
}
}
IReferenceType declaringType = value.ValueType as IReferenceType;
if (declaringType == null)
{
throw new InvalidOperationException();
}
IField field = declaringType.GetFieldByName(name);
if (field != null)
{
string fullName = string.Format("({0}).{1}", value.FullName, name);
if (field.GetIsStatic())
{
return(new EvaluatedExpression(name, fullName, null, field, declaringType.GetValue(field), value.HasSideEffects));
}
else
{
IObjectReference objectReference = value.Value as IObjectReference;
if (objectReference == null)
{
throw new InvalidOperationException("Evaluation failed (todo: distinguish between null pointer and instance field referenced as a static field).");
}
return(new EvaluatedExpression(name, fullName, objectReference, field, objectReference.GetValue(field), value.HasSideEffects));
}
}
throw new NotImplementedException();
}
private static bool TryGetCollectionSize(IObjectReference objectReference, out int size)
{
size = 0;
IArrayReference arrayReference = objectReference as IArrayReference;
if (arrayReference != null)
{
size = arrayReference.GetLength();
return(true);
}
IClassType classType = objectReference.GetReferenceType() as IClassType;
if (classType == null)
{
return(false);
}
ReadOnlyCollection <IInterfaceType> interfaces = classType.GetInterfaces(true);
if (interfaces.Any(i => _collectionInterfaces.Contains(i.GetName())))
{
IMethod sizeMethod = classType.GetConcreteMethod("size", "()I");
using (IStrongValueHandle <IValue> result = objectReference.InvokeMethod(null, sizeMethod, InvokeOptions.None))
{
if (result == null)
{
return(false);
}
IIntegerValue integerValue = result.Value as IIntegerValue;
if (integerValue != null)
{
size = integerValue.GetValue();
return(true);
}
}
}
return(false);
}
/// <summary>
/// Gets the DEBUG_PROPERTY_INFO structure that describes a property.
/// </summary>
/// <param name="dwFields">[in] A combination of values from the DEBUGPROP_INFO_FLAGS enumeration that specifies which fields are to be filled out in the pPropertyInfo structure.</param>
/// <param name="dwRadix">[in] Radix to be used in formatting any numerical information.</param>
/// <param name="dwTimeout">[in] Specifies the maximum time, in milliseconds, to wait before returning from this method. Use INFINITE to wait indefinitely.</param>
/// <param name="rgpArgs">[in, out] Reserved for future use; set to a null value.</param>
/// <param name="dwArgCount">[in] Reserved for future use; set to zero.</param>
/// <param name="pPropertyInfo">[out] A DEBUG_PROPERTY_INFO structure that is filled in with the description of the property.</param>
/// <returns>If successful, returns S_OK; otherwise returns error code.</returns>
public int GetPropertyInfo(enum_DEBUGPROP_INFO_FLAGS dwFields, uint dwRadix, uint dwTimeout, IDebugReference2[] rgpArgs, uint dwArgCount, DEBUG_PROPERTY_INFO[] pPropertyInfo)
{
if (pPropertyInfo == null)
{
throw new ArgumentNullException("pPropertyInfo");
}
if (pPropertyInfo.Length == 0)
{
throw new ArgumentException();
}
bool getFullName = (dwFields & enum_DEBUGPROP_INFO_FLAGS.DEBUGPROP_INFO_FULLNAME) != 0;
bool getName = (dwFields & enum_DEBUGPROP_INFO_FLAGS.DEBUGPROP_INFO_NAME) != 0;
bool getType = (dwFields & enum_DEBUGPROP_INFO_FLAGS.DEBUGPROP_INFO_TYPE) != 0;
bool getValue = (dwFields & enum_DEBUGPROP_INFO_FLAGS.DEBUGPROP_INFO_VALUE) != 0;
bool getAttributes = (dwFields & enum_DEBUGPROP_INFO_FLAGS.DEBUGPROP_INFO_ATTRIB) != 0;
bool getProperty = (dwFields & enum_DEBUGPROP_INFO_FLAGS.DEBUGPROP_INFO_PROP) != 0;
bool useAutoExpandValue = (dwFields & enum_DEBUGPROP_INFO_FLAGS.DEBUGPROP_INFO_VALUE_AUTOEXPAND) != 0;
bool noFormatting = (dwFields & enum_DEBUGPROP_INFO_FLAGS.DEBUGPROP_INFO_VALUE_RAW) != 0;
bool noToString = (dwFields & enum_DEBUGPROP_INFO_FLAGS.DEBUGPROP_INFO_VALUE_NO_TOSTRING) != 0;
if (getFullName)
{
pPropertyInfo[0].bstrFullName = _evaluatedExpression.FullName;
pPropertyInfo[0].dwFields |= enum_DEBUGPROP_INFO_FLAGS.DEBUGPROP_INFO_FULLNAME;
}
if (getName)
{
pPropertyInfo[0].bstrName = _evaluatedExpression.Name;
pPropertyInfo[0].dwFields |= enum_DEBUGPROP_INFO_FLAGS.DEBUGPROP_INFO_NAME;
}
if (getType)
{
pPropertyInfo[0].bstrType = _evaluatedExpression.ValueType.GetName();
if (_evaluatedExpression.Value != null && !_evaluatedExpression.Value.GetValueType().Equals(_evaluatedExpression.ValueType))
{
pPropertyInfo[0].bstrType += " {" + _evaluatedExpression.Value.GetValueType().GetName() + "}";
}
pPropertyInfo[0].dwFields |= enum_DEBUGPROP_INFO_FLAGS.DEBUGPROP_INFO_TYPE;
}
if (getValue)
{
if (_evaluatedExpression.Value == null)
{
pPropertyInfo[0].bstrValue = "null";
}
if (_evaluatedExpression.Value is IVoidValue)
{
pPropertyInfo[0].bstrValue = "The expression has been evaluated and has no value.";
}
else if (_evaluatedExpression.Value is IPrimitiveValue)
{
IBooleanValue booleanValue = _evaluatedExpression.Value as IBooleanValue;
if (booleanValue != null)
{
pPropertyInfo[0].bstrValue = booleanValue.GetValue().ToString().ToLowerInvariant();
pPropertyInfo[0].dwAttrib |= enum_DBG_ATTRIB_FLAGS.DBG_ATTRIB_VALUE_BOOLEAN;
if (booleanValue.GetValue())
{
pPropertyInfo[0].dwAttrib |= enum_DBG_ATTRIB_FLAGS.DBG_ATTRIB_VALUE_BOOLEAN_TRUE;
}
}
IByteValue byteValue = _evaluatedExpression.Value as IByteValue;
if (byteValue != null)
{
pPropertyInfo[0].bstrValue = byteValue.GetValue().ToString();
}
ICharValue charValue = _evaluatedExpression.Value as ICharValue;
if (charValue != null)
{
pPropertyInfo[0].bstrValue = EscapeSpecialCharacters(charValue.GetValue().ToString(), 10, '\'');
}
IShortValue shortValue = _evaluatedExpression.Value as IShortValue;
if (shortValue != null)
{
pPropertyInfo[0].bstrValue = shortValue.GetValue().ToString();
}
IIntegerValue integerValue = _evaluatedExpression.Value as IIntegerValue;
if (integerValue != null)
{
pPropertyInfo[0].bstrValue = integerValue.GetValue().ToString();
}
ILongValue longValue = _evaluatedExpression.Value as ILongValue;
if (longValue != null)
{
pPropertyInfo[0].bstrValue = longValue.GetValue().ToString();
}
IFloatValue floatValue = _evaluatedExpression.Value as IFloatValue;
if (floatValue != null)
{
pPropertyInfo[0].bstrValue = floatValue.GetValue().ToString();
}
IDoubleValue doubleValue = _evaluatedExpression.Value as IDoubleValue;
if (doubleValue != null)
{
pPropertyInfo[0].bstrValue = doubleValue.GetValue().ToString();
}
}
else if (_evaluatedExpression.Value is IArrayReference)
{
IArrayReference arrayReference = _evaluatedExpression.Value as IArrayReference;
int length = arrayReference.GetLength();
IArrayType arrayType = (IArrayType)arrayReference.GetReferenceType();
pPropertyInfo[0].bstrValue = string.Format("{{{0}[{1}]}}", arrayType.GetComponentTypeName(), length);
if (length > 0)
{
pPropertyInfo[0].dwAttrib |= enum_DBG_ATTRIB_FLAGS.DBG_ATTRIB_OBJ_IS_EXPANDABLE;
}
}
else if (_evaluatedExpression.Value is IObjectReference)
{
IStringReference stringReference = _evaluatedExpression.Value as IStringReference;
if (stringReference != null)
{
pPropertyInfo[0].bstrValue = EscapeSpecialCharacters(stringReference.GetValue(), 120, '"');
}
else
{
IObjectReference objectReference = _evaluatedExpression.Value as IObjectReference;
if (objectReference != null)
{
int collectionSize;
if (TryGetCollectionSize(objectReference, out collectionSize))
{
pPropertyInfo[0].bstrValue = string.Format("{{size() = {0}}}", collectionSize);
pPropertyInfo[0].dwAttrib |= enum_DBG_ATTRIB_FLAGS.DBG_ATTRIB_OBJ_IS_EXPANDABLE;
}
else
{
string displayValue = null;
IClassType classType = objectReference.GetReferenceType() as IClassType;
if (noToString || classType == null)
{
displayValue = objectReference.GetReferenceType().GetName();
}
else
{
IMethod method = classType.GetConcreteMethod("toString", "()Ljava/lang/String;");
using (IStrongValueHandle <IValue> result = objectReference.InvokeMethod(null, method, InvokeOptions.None))
{
if (result != null)
{
stringReference = result.Value as IStringReference;
if (stringReference != null)
{
displayValue = stringReference.GetValue();
}
}
}
if (displayValue == null)
{
IClassType objectClass = classType;
while (true)
{
IClassType parentClass = objectClass.GetSuperclass();
if (parentClass != null)
{
objectClass = parentClass;
}
else
{
break;
}
}
IMethod objectToStringMethod = objectClass.GetConcreteMethod("toString", "()Ljava/lang/String;");
// fall back to a non-virtual call
using (IStrongValueHandle <IValue> result = objectReference.InvokeMethod(null, objectToStringMethod, InvokeOptions.NonVirtual | InvokeOptions.SingleThreaded))
{
if (result != null)
{
stringReference = result.Value as IStringReference;
if (stringReference != null)
{
displayValue = stringReference.GetValue();
}
}
}
}
}
pPropertyInfo[0].bstrValue = "{" + displayValue + "}";
pPropertyInfo[0].dwAttrib |= enum_DBG_ATTRIB_FLAGS.DBG_ATTRIB_OBJ_IS_EXPANDABLE;
}
}
else
{
pPropertyInfo[0].bstrValue = "Unrecognized value";
pPropertyInfo[0].dwAttrib |= enum_DBG_ATTRIB_FLAGS.DBG_ATTRIB_VALUE_ERROR;
}
}
}
pPropertyInfo[0].dwFields |= enum_DEBUGPROP_INFO_FLAGS.DEBUGPROP_INFO_VALUE;
}
if (getAttributes)
{
if (_evaluatedExpression.Field != null)
{
if (_evaluatedExpression.Field.GetIsPrivate())
{
pPropertyInfo[0].dwAttrib |= enum_DBG_ATTRIB_FLAGS.DBG_ATTRIB_ACCESS_PRIVATE;
}
if (_evaluatedExpression.Field.GetIsProtected())
{
pPropertyInfo[0].dwAttrib |= enum_DBG_ATTRIB_FLAGS.DBG_ATTRIB_ACCESS_PROTECTED;
}
if (_evaluatedExpression.Field.GetIsPublic())
{
pPropertyInfo[0].dwAttrib |= enum_DBG_ATTRIB_FLAGS.DBG_ATTRIB_ACCESS_PUBLIC;
}
}
pPropertyInfo[0].dwAttrib |= enum_DBG_ATTRIB_FLAGS.DBG_ATTRIB_VALUE_READONLY;
pPropertyInfo[0].dwFields |= enum_DEBUGPROP_INFO_FLAGS.DEBUGPROP_INFO_ATTRIB;
#if false
bool expandable;
bool hasId;
bool canHaveId;
bool readOnly;
bool error;
bool sideEffect;
bool overloadedContainer;
bool boolean;
bool booleanTrue;
bool invalid;
bool notAThing;
bool autoExpanded;
bool timeout;
bool rawString;
bool customViewer;
bool accessNone;
bool accessPrivate;
bool accessProtected;
bool accessPublic;
bool storageNone;
bool storageGlobal;
bool storageStatic;
bool storageRegister;
bool noModifiers;
bool @virtual;
bool constant;
bool synchronized;
bool @volatile;
bool dataField;
bool method;
bool property;
bool @class;
bool baseClass;
bool @interface;
bool innerClass;
bool mostDerived;
bool multiCustomViewers;
#endif
}
if (getProperty)
{
pPropertyInfo[0].pProperty = this;
pPropertyInfo[0].dwFields |= enum_DEBUGPROP_INFO_FLAGS.DEBUGPROP_INFO_PROP;
}
return(VSConstants.S_OK);
}