/// <summary>
/// Extracts all fields from the user type.
/// </summary>
/// <param name="factory">The user type factory.</param>
/// <param name="generationFlags">The user type generation flags.</param>
protected override IEnumerable <UserTypeField> ExtractFields(UserTypeFactory factory, UserTypeGenerationFlags generationFlags)
{
ExportStaticFields = true;
var fields = Symbol.Fields.OrderBy(s => s.Name).ToArray();
bool useThisClass = generationFlags.HasFlag(UserTypeGenerationFlags.UseDirectClassAccess);
HashSet <string> usedNames = new HashSet <string>();
foreach (var field in fields)
{
if (string.IsNullOrEmpty(field.Type.Name))
{
continue;
}
if (IsFieldFiltered(field))
{
continue;
}
field.PropertyName = NormalizeSymbolNamespace(UserTypeField.GetPropertyName(field, this));
while (usedNames.Contains(field.PropertyName))
{
field.PropertyName += "_";
}
if (field.Name.Contains("@") || field.PropertyName.Length > 511)
{
// Skip names containing '@'
continue;
}
// Skip fields that are actual values of enum values
if (field.Type.Tag == CodeTypeTag.Enum && field.Type.EnumValues.Any(t => t.Item1 == field.Name))
{
continue;
}
var userField = ExtractField(field, factory, generationFlags, forceIsStatic: true);
if (field.Type.Tag == CodeTypeTag.Pointer)
{
// Do not use const values for pointers.
// We do not allow user type implicit conversion from integers.
userField.ConstantValue = string.Empty;
}
userField.FieldName = NormalizeSymbolNamespace(userField.FieldName);
userField.PropertyName = NormalizeSymbolNamespace(userField.PropertyName);
yield return(userField);
usedNames.Add(field.PropertyName);
}
foreach (var field in GetAutoGeneratedFields(false, useThisClass))
{
yield return(field);
}
}
/// <summary>
/// Generates user type field based on the specified symbol field and all other fields that are prepared for this function.
/// Do not use this function directly, unless you are calling it from overridden function.
/// </summary>
/// <param name="field">The symbol field.</param>
/// <param name="fieldType">The field tree type.</param>
/// <param name="factory">The user type factory.</param>
/// <param name="simpleFieldValue">The code foe "simple field value" used when creating transformation.</param>
/// <param name="gettingField">The code for getting field variable.</param>
/// <param name="isStatic">if set to <c>true</c> generated field should be static.</param>
/// <param name="generationFlags">The user type generation flags.</param>
/// <param name="extractingBaseClass">if set to <c>true</c> user type field is being generated for getting base class.</param>
protected override UserTypeField ExtractFieldInternal(SymbolField field, TypeTree fieldType, UserTypeFactory factory, string simpleFieldValue, string gettingField, bool isStatic, UserTypeGenerationFlags generationFlags, bool extractingBaseClass)
{
// Physical code generation make sense only for non-static fields
if (!isStatic)
{
bool lazyCacheUserTypeFields = generationFlags.HasFlag(UserTypeGenerationFlags.LazyCacheUserTypeFields);
bool cacheUserTypeFields = generationFlags.HasFlag(UserTypeGenerationFlags.CacheUserTypeFields);
bool cacheStaticUserTypeFields = generationFlags.HasFlag(UserTypeGenerationFlags.CacheStaticUserTypeFields);
string constructorText = "";
string fieldName = field.Name;
string fieldTypeString = fieldType.GetTypeString();
BasicTypeTree baseType = fieldType as BasicTypeTree;
ArrayTypeTree codeArrayType = fieldType as ArrayTypeTree;
UserTypeTree userType = fieldType as UserTypeTree;
TransformationTypeTree transformationType = fieldType as TransformationTypeTree;
bool isEmbedded = field.Type.Tag != CodeTypeTag.Pointer;
// Specialization for basic types
if (baseType != null)
{
if (baseType.BasicType == "string")
{
int charSize = field.Type.ElementType.Size;
constructorText = string.Format("ReadString(GetCodeType().Module.Process, ReadPointer(memoryBuffer, memoryBufferOffset + {0}, {1}), {2})", field.Offset, field.Type.Size, charSize);
}
else if (baseType.BasicType != "NakedPointer")
{
if (field.LocationType == LocationType.BitField)
{
constructorText = string.Format("Read{0}(memoryBuffer, memoryBufferOffset + {1}, {2}, {3})", baseType.GetTypeString().UppercaseFirst(), field.Offset, field.Size, field.BitPosition);
}
else
{
constructorText = string.Format("Read{0}(memoryBuffer, memoryBufferOffset + {1})", baseType.GetTypeString().UppercaseFirst(), field.Offset);
}
}
}
// Specialization for arrays
else if (codeArrayType != null)
{
if (codeArrayType.ElementType is BasicTypeTree)
{
baseType = (BasicTypeTree)codeArrayType.ElementType;
if (baseType != null && baseType.BasicType != "string" && baseType.BasicType != "NakedPointer")
{
int arraySize = field.Type.Size;
int elementSize = field.Type.ElementType.Size;
if (baseType.BasicType == "char")
{
constructorText = string.Format("Read{0}Array(memoryBuffer, memoryBufferOffset + {1}, {2}, {3})", baseType.GetTypeString().UppercaseFirst(), field.Offset, arraySize / elementSize, elementSize);
}
else
{
constructorText = string.Format("Read{0}Array(memoryBuffer, memoryBufferOffset + {1}, {2})", baseType.GetTypeString().UppercaseFirst(), field.Offset, arraySize / elementSize);
}
fieldTypeString = baseType.GetTypeString() + "[]";
}
}
}
// Specialization for user types
else if (userType != null && !extractingBaseClass)
{
if (!(userType.UserType is EnumUserType))
{
string thisClassCodeType;
if (IsTypeUsingStaticCodeType(this))
{
thisClassCodeType = ClassCodeType;
}
else
{
thisClassCodeType = "thisClass.Value.GetCodeType()";
usedThisClass = true;
}
// Check if type is embedded
if (!isEmbedded)
{
// If user type is not embedded, we do have pointer inside of our memory buffer that we can read directly
if (IsTypeUsingStaticCodeType(this))
{
constructorText = string.Format("ReadPointer<{0}>({4}, \"{1}\", memoryBuffer, memoryBufferOffset + {2}, {3})", fieldTypeString, fieldName, field.Offset, field.Type.Size, ClassCodeType);
}
else
{
constructorText = string.Format("ReadPointer<{0}>(thisClass, \"{1}\", memoryBuffer, memoryBufferOffset + {2}, {3})", fieldTypeString, fieldName, field.Offset, field.Type.Size);
usedThisClass = true;
}
// Do downcasting if field has vtable
if (userType.UserType.Symbol.HasVTable() && userType.UserType.DerivedClasses.Count > 0)
{
constructorText += ".DowncastObject()";
}
}
else
{
// If user type is embedded, we can reuse memory buffer that we already have in this class
string fieldAddress = string.Format("memoryBufferAddress + (ulong)(memoryBufferOffset + {0})", field.Offset);
string fieldCodeType = string.Format("{0}.GetClassFieldType(\"{1}\")", thisClassCodeType, fieldName);
if (IsTypeUsingStaticCodeType(userType.UserType))
{
fieldCodeType = string.Format("{0}.{1}", userType.UserType.FullClassName, ClassCodeType);
}
else if (IsTypeUsingStaticCodeType(this))
{
fieldCodeType = AddFieldCodeType(fieldName);
}
constructorText = string.Format("new {0}(memoryBuffer, memoryBufferOffset + {1}, memoryBufferAddress, {2}, {3}, \"{4}\")", fieldTypeString, field.Offset, fieldCodeType, fieldAddress, fieldName);
}
}
else
{
// TODO: This is enum. Read how much enum base type is big and just cast to enum type...
}
}
// Specialization for transformations
else if (transformationType != null)
{
if (!isEmbedded)
{
string thisClassCodeType;
if (IsTypeUsingStaticCodeType(this))
{
thisClassCodeType = ClassCodeType;
}
else
{
thisClassCodeType = "thisClass.Value.GetCodeType()";
usedThisClass = true;
}
string fieldAddress = string.Format("memoryBufferAddress + (ulong)(memoryBufferOffset + {0})", field.Offset);
string fieldVariable = string.Format("Variable.CreateNoCast({0}.GetClassFieldType(\"{1}\"), {2}, \"{1}\")", thisClassCodeType, fieldName, fieldAddress);
if (transformationType.Transformation.Transformation.HasPhysicalConstructor)
{
fieldVariable = string.Format("{0}, memoryBuffer, memoryBufferOffset + {1}, memoryBufferAddress", fieldVariable, field.Offset);
}
simpleFieldValue = fieldVariable;
constructorText = string.Format("new {0}({1})", fieldTypeString, fieldVariable);
}
}
// If we found suitable physical representation, generate the field
if (!string.IsNullOrEmpty(constructorText))
{
return new UserTypeField()
{
ConstructorText = constructorText,
FieldName = "_" + fieldName,
FieldType = fieldTypeString,
FieldTypeInfoComment = string.Format("// {0} {1};", field.Type.Name, fieldName),
PropertyName = UserTypeField.GetPropertyName(field, this),
Static = isStatic,
UseUserMember = lazyCacheUserTypeFields,
CacheResult = cacheUserTypeFields || (isStatic && cacheStaticUserTypeFields),
SimpleFieldValue = simpleFieldValue,
}
}
;
}
return(base.ExtractFieldInternal(field, fieldType, factory, simpleFieldValue, gettingField, isStatic, generationFlags, extractingBaseClass));
}
