/// <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 != SymTagEnum.SymTagPointerType;
// 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(fieldName, this),
Static = isStatic,
UseUserMember = lazyCacheUserTypeFields,
CacheResult = cacheUserTypeFields || (isStatic && cacheStaticUserTypeFields),
SimpleFieldValue = simpleFieldValue,
};
}
return base.ExtractFieldInternal(field, fieldType, factory, simpleFieldValue, gettingField, isStatic, generationFlags, extractingBaseClass);
}
/// <summary>
/// Initializes a new instance of the <see cref="TemplateTypeTree"/> class.
/// </summary>
/// <param name="templateSpecialization">The template specialization user type.</param>
/// <param name="factory">The user type factory.</param>
public TemplateTypeTree(UserType templateSpecialization, UserTypeFactory factory)
: base(templateSpecialization)
{
// Get all "parent" types
UserType type = templateSpecialization;
List <UserType> declaredInList = new List <UserType>();
while (type != null)
{
declaredInList.Add(type);
type = type.DeclaredInType;
}
declaredInList.Reverse();
DeclaredInTypeHierarchy = declaredInList.ToArray();
// Extract all template types and check if we can instantiate this instance
CanInstantiate = true;
SpecializedArguments = new TypeTree[DeclaredInTypeHierarchy.Length][];
for (int j = 0; j < DeclaredInTypeHierarchy.Length; j++)
{
// Check if current type in hierarchy is template type
TemplateUserType templateType = DeclaredInTypeHierarchy[j] as TemplateUserType;
if (templateType == null)
{
continue;
}
// Try to find specialized arguments for template type
IReadOnlyList <Symbol> arguments = templateType.TemplateArgumentsAsSymbols;
TypeTree[] specializedArguments = new TypeTree[arguments.Count];
for (int i = 0; i < arguments.Count; i++)
{
UserType userType;
factory.GetUserType(arguments[i], out userType);
if (userType != null)
{
specializedArguments[i] = UserTypeTree.Create(userType, factory);
TemplateTypeTree templateTypeTree = specializedArguments[i] as TemplateTypeTree;
if (templateTypeTree != null && !templateTypeTree.CanInstantiate)
{
CanInstantiate = false;
}
}
else
{
// TODO: Check why do we go one more round trip through module for getting argument symbol
Symbol symbol = templateSpecialization.Symbol.Module.GetSymbol(arguments[i].Name);
if (symbol.Tag != SymTagEnum.SymTagBaseType)
{
// Base Types (Primitive Types) can be used for specialization
CanInstantiate = false;
}
// #fixme can't deal with it
specializedArguments[i] = templateType.GetSymbolTypeTree(arguments[i], factory);
}
}
SpecializedArguments[j] = specializedArguments;
}
}
/// <summary>
/// Initializes a new instance of the <see cref="TemplateTypeTree"/> class.
/// </summary>
/// <param name="templateSpecialization">The template specialization user type.</param>
/// <param name="factory">The user type factory.</param>
public TemplateTypeTree(UserType templateSpecialization, UserTypeFactory factory)
: base(templateSpecialization)
{
// Get all "parent" types
UserType type = templateSpecialization;
List<UserType> declaredInList = new List<UserType>();
while (type != null)
{
declaredInList.Add(type);
type = type.DeclaredInType;
}
declaredInList.Reverse();
DeclaredInTypeHierarchy = declaredInList.ToArray();
// Extract all template types and check if we can instantiate this instance
CanInstantiate = true;
SpecializedArguments = new TypeTree[DeclaredInTypeHierarchy.Length][];
for (int j = 0; j < DeclaredInTypeHierarchy.Length; j++)
{
// Check if current type in hierarchy is template type
TemplateUserType templateType = DeclaredInTypeHierarchy[j] as TemplateUserType;
if (templateType == null)
continue;
// Try to find specialized arguments for template type
IReadOnlyList<Symbol> arguments = templateType.TemplateArgumentsAsSymbols;
TypeTree[] specializedArguments = new TypeTree[arguments.Count];
for (int i = 0; i < arguments.Count; i++)
{
UserType userType;
factory.GetUserType(arguments[i], out userType);
if (userType != null)
{
specializedArguments[i] = UserTypeTree.Create(userType, factory);
TemplateTypeTree templateTypeTree = specializedArguments[i] as TemplateTypeTree;
if (templateTypeTree != null && !templateTypeTree.CanInstantiate)
CanInstantiate = false;
}
else
{
// TODO: Check why do we go one more round trip through module for getting argument symbol
Symbol symbol = templateSpecialization.Symbol.Module.GetSymbol(arguments[i].Name);
if (symbol.Tag != SymTagEnum.SymTagBaseType)
{
// Base Types (Primitive Types) can be used for specialization
CanInstantiate = false;
}
// #fixme can't deal with it
specializedArguments[i] = templateType.GetSymbolTypeTree(arguments[i], factory);
}
}
SpecializedArguments[j] = specializedArguments;
}
}