public abstract class CodeDomSerializerBase
{
+ private string _deserializationErrorTrace = null;
+ private string _deserializationError = null;
+
internal CodeDomSerializerBase ()
{
}
// CodeVariableReferenceExpression
//
-
CodeVariableReferenceExpression varRef = expression as CodeVariableReferenceExpression;
- if (deserialized == null && varRef != null)
- deserialized = manager.GetInstance (varRef.VariableName);
+ if (deserialized == null && varRef != null) {
+ deserialized = manager.GetInstance (varRef.VariableName);
+ if (deserialized == null)
+ _deserializationError = "Cannot find the value of the variable " + varRef.VariableName + "";
+ }
// CodeFieldReferenceExpression
//
CodeFieldReferenceExpression fieldRef = expression as CodeFieldReferenceExpression;
- if (deserialized == null && fieldRef != null)
+ if (deserialized == null && fieldRef != null) {
deserialized = manager.GetInstance (fieldRef.FieldName);
+ if (deserialized == null)
+ _deserializationError = "Cannot find the value of the field " + fieldRef.FieldName + "";
+ }
// CodePrimitiveExpression
// CodePropertyReferenceExpression
//
- // Enum references are represented by a PropertyReferenceExpression, where
- // PropertyName is the enum field name and the target object is a TypeReference
- // to the enum's type
- //
CodePropertyReferenceExpression propRef = expression as CodePropertyReferenceExpression;
if (deserialized == null && propRef != null) {
object target = DeserializeExpression (manager, null, propRef.TargetObject);
if (target != null) {
- if (target is Type) { // Enum reference
+ bool found = false;
+ if (target is Type) {
+ PropertyInfo property = ((Type)target).GetProperty (propRef.PropertyName,
+ BindingFlags.GetProperty |
+ BindingFlags.Public | BindingFlags.Static);
+ if (property != null) {
+ deserialized = property.GetValue (null, null);
+ found = true;
+ }
+
+ // NRefactory seems to produce PropertyReferences to reference some fields and enums
+ //
FieldInfo field = ((Type)target).GetField (propRef.PropertyName,
- BindingFlags.GetField | BindingFlags.Public | BindingFlags.Static);
- if (field != null)
+ BindingFlags.GetField | BindingFlags.Public | BindingFlags.Static);
+ if (field != null) {
deserialized = field.GetValue (null);
+ found = true;
+ }
} else {
PropertyDescriptor property = TypeDescriptor.GetProperties (target)[propRef.PropertyName];
- if (property != null)
+ if (property != null) {
deserialized = property.GetValue (target);
+ found = true;
+ }
+
+ FieldInfo field = target.GetType().GetField (propRef.PropertyName,
+ BindingFlags.GetField | BindingFlags.Public | BindingFlags.Instance);
+ if (field != null) {
+ deserialized = field.GetValue (null);
+ found = true;
+ }
+ }
+
+ if (!found) {
+ _deserializationError = "No property " + propRef.PropertyName + " found in type " +
+ (target is Type ? ((Type)target).Name : target.GetType ().Name);
+ _deserializationErrorTrace = "Property Name: " + propRef.PropertyName + System.Environment.NewLine +
+ "Property is: " + (target is Type ? "static" : "instance") + System.Environment.NewLine +
+ "Property Holder Type: " + (target is Type ? ((Type)target).Name : target.GetType ().Name) + System.Environment.NewLine +
+ "Property Holder Expression Type: " + propRef.TargetObject.GetType ().Name + System.Environment.NewLine;
}
}
}
CodeObjectCreateExpression createExpr = expression as CodeObjectCreateExpression;
if (deserialized == null && createExpr != null) {
Type type = manager.GetType (createExpr.CreateType.BaseType);
- object[] arguments = new object[createExpr.Parameters.Count];
- for (int i=0; i < createExpr.Parameters.Count; i++)
- arguments[i] = this.DeserializeExpression (manager, null, createExpr.Parameters[i]);
- bool addToContainer = false;
- if (typeof(IComponent).IsAssignableFrom (type))
- addToContainer = true;
- deserialized = this.DeserializeInstance (manager, type, arguments, name, addToContainer);
+ if (type == null) {
+ _deserializationError = "Unable to find the type " + createExpr.CreateType.BaseType;
+ } else {
+ object[] arguments = new object[createExpr.Parameters.Count];
+ for (int i=0; i < createExpr.Parameters.Count; i++) {
+ arguments[i] = this.DeserializeExpression (manager, null, createExpr.Parameters[i]);
+ if (_deserializationError != null) {
+ _deserializationErrorTrace = "Type to create: " + createExpr.CreateType.BaseType + System.Environment.NewLine +
+ "Parameter Number: " + i.ToString () + System.Environment.NewLine +
+ "Parameter Expression Type: " + createExpr.Parameters[i].GetType ().Name + System.Environment.NewLine +
+ "Parameters Count: " + createExpr.Parameters.Count + System.Environment.NewLine +
+ _deserializationErrorTrace;
+ break;
+ }
+ }
+ if (_deserializationError == null) {
+ bool addToContainer = false;
+ if (typeof(IComponent).IsAssignableFrom (type))
+ addToContainer = true;
+ deserialized = this.DeserializeInstance (manager, type, arguments, name, addToContainer);
+ if (deserialized == null) {
+ _deserializationError = "Unable to create an instance of type " + createExpr.CreateType.BaseType;
+ _deserializationErrorTrace = "Type to create: " + createExpr.CreateType.BaseType + System.Environment.NewLine +
+ "Name: " + name + System.Environment.NewLine +
+ "addToContainer: " + addToContainer.ToString () + System.Environment.NewLine +
+ "Parameters Count: " + createExpr.Parameters.Count + System.Environment.NewLine;
+
+ for (int i=0; i < arguments.Length; i++) {
+ _deserializationErrorTrace += "Parameter Number: " + i.ToString () + System.Environment.NewLine +
+ "Parameter Type: " + (arguments[i] == null ? "null" : arguments[i].GetType ().Name) +
+ System.Environment.NewLine +
+ "Parameter " + i.ToString () + " Value: " + arguments[i].ToString () + System.Environment.NewLine;
+ }
+ }
+ }
+ }
}
// CodeArrayCreateExpression
CodeArrayCreateExpression arrayCreateExpr = expression as CodeArrayCreateExpression;
if (deserialized == null && arrayCreateExpr != null) {
Type arrayType = manager.GetType (arrayCreateExpr.CreateType.BaseType);
- if (arrayType != null) {
+ if (arrayType == null) {
+ _deserializationError = "Unable to find the type " + arrayCreateExpr.CreateType.BaseType;
+ } else {
ArrayList initializers = new ArrayList ();
- foreach (CodeExpression initExpression in arrayCreateExpr.Initializers) {
- initializers.Add (this.DeserializeExpression (manager, null, initExpression));
+ Type elementType = arrayType.GetElementType ();
+ deserialized = Array.CreateInstance (arrayType, arrayCreateExpr.Initializers.Count);
+ for (int i = 0; i < arrayCreateExpr.Initializers.Count; i++) {
+ object element = this.DeserializeExpression (manager, null, arrayCreateExpr.Initializers[i]);
+ if (_deserializationError != null) {
+ _deserializationErrorTrace = "Array Type: " + arrayType.Name + System.Environment.NewLine +
+ "Array Element Type: " + elementType + System.Environment.NewLine +
+ "Initializer Number: " + i.ToString () + System.Environment.NewLine +
+ "Initializer Type: " + (element == null ? "null" : element.GetType ().Name) + System.Environment.NewLine +
+ "Initialzer Value" + (element == null ? "null" : element.ToString ()) + System.Environment.NewLine +
+ _deserializationErrorTrace;
+ } else {
+ if (arrayType.IsInstanceOfType (element)) {
+ initializers.Add (element);
+ } else {
+ _deserializationError = "Array initializer of incompatible type detected.";
+ _deserializationErrorTrace = "Array Type: " + arrayType.Name + System.Environment.NewLine +
+ "Array Element Type: " + elementType + System.Environment.NewLine +
+ "Initializer Type: " + (element == null ? "null" : element.GetType ().Name) + System.Environment.NewLine;
+ }
+ }
}
- deserialized = Array.CreateInstance (arrayType, initializers.Count);
- initializers.CopyTo ((Array)deserialized, 0);
+ if (_deserializationError == null)
+ initializers.CopyTo ((Array)deserialized, 0);
+ else
+ deserialized = null;
}
}
if (deserialized == null && methodExpr != null) {
object target = this.DeserializeExpression (manager, null, methodExpr.Method.TargetObject);
object[] parameters = new object[methodExpr.Parameters.Count];
- for (int i=0; i < methodExpr.Parameters.Count; i++)
+ for (int i=0; i < methodExpr.Parameters.Count; i++) {
parameters[i] = this.DeserializeExpression (manager, null, methodExpr.Parameters[i]);
-
- MethodInfo method = null;
- if (target is Type) {
- method = GetExactMethod ((Type)target, methodExpr.Method.MethodName,
- BindingFlags.InvokeMethod | BindingFlags.Public | BindingFlags.Static,
- parameters);
- } else {
- method = GetExactMethod (target.GetType(), methodExpr.Method.MethodName,
- BindingFlags.InvokeMethod | BindingFlags.Public | BindingFlags.Instance,
- parameters);
+ if (_deserializationError != null) {
+ _deserializationErrorTrace =
+ "Parameter Number: " + i.ToString () + System.Environment.NewLine +
+ "Parameter Expression Type: " + methodExpr.Parameters[i].GetType ().Name + System.Environment.NewLine +
+ _deserializationErrorTrace;
+ break;
+ }
}
- if (method == null)
- ReportError (manager, "Cannot find method " + methodExpr.Method.MethodName,
- "Method Name: " + methodExpr.Method.MethodName + System.Environment.NewLine +
- "Type: " + (target is Type ? ((Type)target).Name : target.GetType().Name));
- else
- deserialized = method.Invoke (target, parameters);
+ if (_deserializationError == null) {
+ MethodInfo method = null;
+ if (target is Type) {
+ method = GetExactMethod ((Type)target, methodExpr.Method.MethodName,
+ BindingFlags.InvokeMethod | BindingFlags.Public | BindingFlags.Static,
+ parameters);
+ } else {
+ method = GetExactMethod (target.GetType(), methodExpr.Method.MethodName,
+ BindingFlags.InvokeMethod | BindingFlags.Public | BindingFlags.Instance,
+ parameters);
+ }
+
+ if (method != null) {
+ deserialized = method.Invoke (target, parameters);
+ } else {
+ _deserializationError = "Unable to find a matching method " + methodExpr.Method.MethodName + " in type " +
+ (target is Type ? ((Type)target).Name : target.GetType ().Name);
+ for (int i = 0; i < parameters.Length; i++) {
+ _deserializationErrorTrace += "Parameter Number: " + i.ToString () + System.Environment.NewLine +
+ "Parameter Type: " + (parameters[i] == null ? "null" : parameters[i].GetType ().Name) +
+ System.Environment.NewLine +
+ "Parameter " + i.ToString () + " Value: " + parameters[i].ToString () + System.Environment.NewLine;
+ }
+ }
+
+ if (_deserializationError != null) {
+ _deserializationErrorTrace =
+ "Method Name: " + methodExpr.Method.MethodName + System.Environment.NewLine +
+ "Method is: " + (target is Type ? "static" : "instance") + System.Environment.NewLine +
+ "Method Holder Type: " + (target is Type ? ((Type)target).Name : target.GetType ().Name) + System.Environment.NewLine +
+ "Parameters Count: " + methodExpr.Parameters.Count + System.Environment.NewLine +
+ _deserializationErrorTrace;
+ }
+ }
}
// CodeTypeReferenceExpression
//
CodeTypeReferenceExpression typeRef = expression as CodeTypeReferenceExpression;
- if (deserialized == null && typeRef != null)
+ if (deserialized == null && typeRef != null) {
deserialized = manager.GetType (typeRef.Type.BaseType);
+ if (deserialized == null)
+ _deserializationError = "Unable to find the type " + typeRef.Type.BaseType;
+ }
// CodeCastExpression
//
CodeCastExpression castExpr = expression as CodeCastExpression;
if (deserialized == null && castExpr != null) {
Type targetType = manager.GetType (castExpr.TargetType.BaseType);
+ if (targetType == null)
+ _deserializationError = "Unable to find the type " + castExpr.TargetType.BaseType;
+
object instance = DeserializeExpression (manager, null, castExpr.Expression);
if (instance != null && targetType != null) {
IConvertible convertible = instance as IConvertible;
if (convertible != null) {
try {
instance = convertible.ToType (targetType, null);
- } catch {}
+ } catch {
+ _deserializationError = "Unable to convert type " + instance.GetType ().Name +
+ " to type " + castExpr.TargetType.BaseType;
+ }
+ } else {
+ _deserializationError = "Unable to convert type " + instance.GetType ().Name +
+ " to type " + castExpr.TargetType.BaseType;
}
+
deserialized = instance;
}
+ if (_deserializationError != null) {
+ _deserializationErrorTrace = "Target Type: " + castExpr.TargetType.BaseType + System.Environment.NewLine +
+ "Instance Type: " + (instance == null ? "null" : instance.GetType ().Name) + System.Environment.NewLine +
+ "Instance Value: " + (instance == null ? "null" : instance.ToString()) + System.Environment.NewLine +
+ "Instance is IConvertible: " + (instance is IConvertible).ToString() + System.Environment.NewLine +
+ _deserializationErrorTrace;
+ }
}
//
CodeBinaryOperatorExpression binOperator = expression as CodeBinaryOperatorExpression;
if (deserialized == null && binOperator != null) {
+ IConvertible left = null;
+ IConvertible right = null;
switch (binOperator.Operator) {
case CodeBinaryOperatorType.BitwiseOr:
- IConvertible left = DeserializeExpression (manager, null, binOperator.Left) as IConvertible;
- IConvertible right = DeserializeExpression (manager, null, binOperator.Right) as IConvertible;
- if (left is Enum)
+ left = DeserializeExpression (manager, null, binOperator.Left) as IConvertible;
+ right = DeserializeExpression (manager, null, binOperator.Right) as IConvertible;
+ if (left is Enum && right is Enum)
deserialized = Enum.ToObject (left.GetType (), Convert.ToInt64 (left) | Convert.ToInt64 (right));
+ else
+ _deserializationError = "CodeBinaryOperatorType.BitwiseOr only supported for Enum types";
+ break;
+ default:
+ _deserializationError = "Unsupported CodeBinaryOperatorType: " + binOperator.Operator.ToString ();
break;
}
+
+ if (_deserializationError != null) {
+ _deserializationErrorTrace = "BinaryOperator Type: " + binOperator.Operator.ToString() + System.Environment.NewLine +
+ "Left Type: " + (left == null ? "null" : left.GetType().Name) + System.Environment.NewLine +
+ "Left Value: " + (left == null ? "null" : left.ToString ()) + System.Environment.NewLine +
+ "Left Expression Type: " + binOperator.Left.GetType ().Name + System.Environment.NewLine +
+ "Right Type: " + (right == null ? "null" : right.GetType().Name) + System.Environment.NewLine +
+ "Right Value: " + (right == null ? "null" : right.ToString ()) + System.Environment.NewLine +
+ "Right Expression Type: " + binOperator.Right.GetType ().Name + System.Environment.NewLine +
+ _deserializationErrorTrace;
+ }
}
- // Methods are allowed to return a null value as well as CodePrimitiveExpression can contain a null value.
- //
- if (deserialized == null && methodExpr == null && primitiveExp == null)
- ReportError (manager, "Deserialization failed for " + expression.GetType().Name);
+
+ if (_deserializationError != null) {
+ _deserializationErrorTrace = "* DeserializeExpression (" + expression.GetType().Name + ")"
+ + System.Environment.NewLine + _deserializationErrorTrace;
+ } else {
+ if (deserialized == null && !(expression is CodePrimitiveExpression) && !(expression is CodeMethodInvokeExpression))
+ _deserializationError = "Unsupported Expression Type: " + expression.GetType ().Name;
+ }
return deserialized;
}
if (manager == null)
throw new ArgumentNullException ("manager");
- bool deserialized = false;
+ _deserializationErrorTrace = null;
+ _deserializationError = null;
// CodeAssignStatement
//
CodeAssignStatement assignment = statement as CodeAssignStatement;
- if (assignment != null) {
+ if (assignment != null)
DeserializeAssignmentStatement (manager, assignment);
- deserialized = true;
- }
// CodeExpressionStatement
//
CodeExpressionStatement expression = statement as CodeExpressionStatement;
- if (expression != null) {
+ if (expression != null)
this.DeserializeExpression (manager, null, expression.Expression);
- deserialized = true;
- }
-
// CodeAttachEventStatement
//
methodName = methodRef.MethodName;
object component = DeserializeExpression (manager, null, attachStatement.Event.TargetObject);
- if (component != null) {
+ if (component != null && methodName != null) {
EventDescriptor eventDescriptor = TypeDescriptor.GetEvents (component)[attachStatement.Event.EventName];
if (eventDescriptor != null) {
IEventBindingService service = manager.GetService (typeof (IEventBindingService)) as IEventBindingService;
- if (service != null) {
+ if (service != null)
service.GetEventProperty (eventDescriptor).SetValue (component, methodName);
- deserialized = true;
- }
+ else
+ _deserializationError = "IEventBindingService missing.";
+ } else {
+ _deserializationError = "No event " + attachStatement.Event.EventName +
+ " found in type " + component.GetType ().Name;
}
}
+
+ if (_deserializationError != null) {
+ _deserializationErrorTrace = "Method Name: " + methodName + System.Environment.NewLine +
+ "Event Name: " + attachStatement.Event.EventName + System.Environment.NewLine +
+ "Listener Expression Type: " + methodRef.GetType ().Name + System.Environment.NewLine +
+ "Event Holder Type: " + component.GetType ().Name + System.Environment.NewLine +
+ "Event Holder Expression Type: " + attachStatement.Event.TargetObject.GetType ().Name + System.Environment.NewLine;
+ }
}
- if (!deserialized)
- ReportError (manager, "Deserialization failed for " + statement.GetType().Name);
+ if (_deserializationErrorTrace != null) {
+ _deserializationErrorTrace = "* DeserializeStatement (" + statement.GetType().Name + ")"
+ + System.Environment.NewLine + _deserializationErrorTrace;
+ ReportError (manager, _deserializationError, _deserializationErrorTrace);
+ _deserializationErrorTrace = null;
+ _deserializationError = null;
+ }
}
private void DeserializeAssignmentStatement (IDesignerSerializationManager manager, CodeAssignStatement statement)
{
- bool deserialized = false;
CodeExpression leftExpr = statement.Left;
// Assign to a Property
//
CodePropertyReferenceExpression propRef = leftExpr as CodePropertyReferenceExpression;
if (propRef != null) {
- object target = DeserializeExpression (manager, null, propRef.TargetObject);
- object value = DeserializeExpression (manager, null, statement.Right);
- if (target != null) {
- PropertyDescriptor property = TypeDescriptor.GetProperties (target)[propRef.PropertyName];
+ object propertyHolder = DeserializeExpression (manager, null, propRef.TargetObject);
+ object value = null;
+ if (_deserializationError == null)
+ value = DeserializeExpression (manager, null, statement.Right);
+
+ if (_deserializationError == null && propertyHolder != null) {
+ PropertyDescriptor property = TypeDescriptor.GetProperties (propertyHolder)[propRef.PropertyName];
if (property != null) {
- try {
- property.SetValue (target, value);
- } catch {
- // FIXME: This is just for testing on MSNET
- }
- deserialized = true;
+ property.SetValue (propertyHolder, value);
+ } else {
+ _deserializationError = "No property " + propRef.PropertyName + " found in type " + propertyHolder.GetType ().Name;
+ _deserializationErrorTrace = "Property Name: " + propRef.PropertyName + System.Environment.NewLine +
+ "Property Value: " + (value == null ? "null" : value.ToString()) + System.Environment.NewLine +
+ "Property Type: " + propertyHolder.GetType ().Name + System.Environment.NewLine +
+ "Property Holder Expression Type: " + propRef.TargetObject.GetType ().Name + System.Environment.NewLine;
}
}
}
// Assign to a Field
//
- // This will fail for fields defined during the serialization process.
- //
CodeFieldReferenceExpression fieldRef = leftExpr as CodeFieldReferenceExpression;
if (fieldRef != null && fieldRef.FieldName != null) {
// Note that if the Right expression is a CodeCreationExpression the component will be created in this call
//
- object value = DeserializeExpression (manager, fieldRef.FieldName, statement.Right);
object fieldHolder = DeserializeExpression (manager, null, fieldRef.TargetObject);
+ object value = null;
+ if (_deserializationError == null)
+ value = DeserializeExpression (manager, fieldRef.FieldName, statement.Right);
FieldInfo field = null;
RootContext context = manager.Context[typeof (RootContext)] as RootContext;
- if (fieldHolder != null) {
+ if (_deserializationError == null && fieldHolder != null) {
if (fieldRef.TargetObject is CodeThisReferenceExpression && context != null && context.Value == fieldHolder) {
- // Do not actually deserialize fields of the root component, because the root component type won't have
- // the fields. The root component instance is of the base type of the root component declaration, e.g:
- // CustomControl : _UserControl_
- //
- deserialized = true;
+ // Do not deserialize the fields of the root component, because the root component type
+ // is actually an instance of the its parent type, e.g: CustomControl : _UserControl_
+ // and thus it doesn't contain the fields. The trick is that once DeserializeExpression
+ // is called on a CodeObjectCreateExpression the component is created and is added to the name-instance
+ // table.
+ //
} else {
if (fieldHolder is Type) // static field
field = ((Type)fieldHolder).GetField (fieldRef.FieldName,
else // instance field
field = fieldHolder.GetType().GetField (fieldRef.FieldName,
BindingFlags.GetField | BindingFlags.Public | BindingFlags.Instance);
- if (field != null) {
+ if (field != null)
field.SetValue (fieldHolder, value);
- deserialized = true;
+ else {
+ _deserializationError = "No field " + fieldRef.FieldName + " found in type " + fieldHolder.GetType ().Name;
+ _deserializationErrorTrace = "Field Name: " + fieldRef.FieldName + System.Environment.NewLine +
+ "Field is: " + (fieldHolder is Type ? "static" : "instance") + System.Environment.NewLine +
+ "Field Value: " + (value == null ? "null" : value.ToString()) + System.Environment.NewLine +
+ "Field Holder Type: " + fieldHolder.GetType ().Name + System.Environment.NewLine +
+ "Field Holder Expression Type: " + fieldRef.TargetObject.GetType ().Name + System.Environment.NewLine;
}
}
}
}
- if (!deserialized)
- ReportError (manager, "Failed to deserialize CodeAssignmentStatement",
- "Left Side Expression: " + statement.Left.GetType().Name + System.Environment.NewLine +
- "Right Side Expression: " + statement.Right.GetType().Name + System.Environment.NewLine);
+ if (_deserializationError != null) {
+ _deserializationErrorTrace = "* DeserializeAssignStatement" + System.Environment.NewLine +
+ "Left Expression Type: " + statement.Left.GetType().Name + System.Environment.NewLine +
+ "Right Expression Type: " + statement.Right.GetType().Name + System.Environment.NewLine +
+ _deserializationErrorTrace;
+ }
}
internal void ReportError (IDesignerSerializationManager manager, string message)
try {
throw new Exception (message);
} catch (Exception e) {
- e.Data["Details"] = details;
+ e.Data["Details"] = message + Environment.NewLine + Environment.NewLine + details;
manager.ReportError (e);
}
}
projects / mono.git / commitdiff