/// <summary>
/// used while generating a boxed value type for a native cls type, i.e.
/// no attributes other than a single IdlSequenceAttribute is needed on boxed field.
/// </summary>
private FieldBuilder DefineBoxedField(TypeBuilder boxBuilder, Type boxedType,
BoxedValueRuntimeTypeGenerator gen)
{
Type fieldType = boxedType;
if (boxedType.IsArray)
{
if (boxedType.GetElementType().IsArray)
{
// recursive boxing needed: fieldType is an array of boxed values
fieldType = Array.CreateInstance(gen.GetOrCreateBoxedTypeForArray(boxedType.GetElementType()), 0).GetType();
}
else
{
// last step, can box directly
fieldType = boxedType;
}
}
// create the field for the boxed value
FieldBuilder fieldBuild = boxBuilder.DefineField("m_val", fieldType, FieldAttributes.Private);
if (boxedType.IsArray)
{
CustomAttributeBuilder attrBuilder = (new IdlSequenceAttribute(0)).CreateAttributeBuilder();
fieldBuild.SetCustomAttribute(attrBuilder);
}
return(fieldBuild);
}
/// <summary>define the box-Type for the CLS arrayType</summary>
private void DefineBoxedTypeForCLSArray(TypeBuilder boxBuilder, Type arrayType,
BoxedValueRuntimeTypeGenerator gen)
{
IlEmitHelper.GetSingleton().AddSerializableAttribute(boxBuilder);
// add the field for the boxed value content
FieldBuilder valField = DefineBoxedField(boxBuilder, arrayType, gen);
// define getValue method
DefineGetValue(boxBuilder, valField);
// define getBoxed type methods:
DefineGetBoxedType(boxBuilder, valField);
DefineGetBoxedTypeAttributes(boxBuilder, valField);
DefineGetFirstNonBoxedType(boxBuilder, arrayType);
DefineGetFirstNonBoxedTypeName(boxBuilder, arrayType);
// define the constructors
DefineEmptyDefaultConstr(boxBuilder);
// define the constructor which sets the valField directly
DefineAssignConstr(boxBuilder, valField);
// define the constructor which transforms a .NET array to the form assignable to the valField, if types are different
if (!valField.FieldType.Equals(arrayType))
{
// need a constructor which transforms instance before assigning
DefineTransformAndAssignConstrForArray(boxBuilder, valField, arrayType);
}
}
/// <summary>create the boxed value type(s) for a .NET arrayType</summary>
internal TypeBuilder CreateBoxedTypeForArray(Type arrayType, ModuleBuilder modBuilder,
BoxedValueRuntimeTypeGenerator gen)
{
// create the boxed value type(s) for the array
string boxedTypeFullName = CreateBoxedArrayFullTypeName(arrayType);
TypeBuilder boxBuilder = modBuilder.DefineType(boxedTypeFullName,
TypeAttributes.Class | TypeAttributes.Public,
ReflectionHelper.BoxedValueBaseType);
DefineBoxedTypeForCLSArray(boxBuilder, arrayType, gen);
return(boxBuilder);
}
/// <summary>
/// used while generating a boxed value type for a native cls type, i.e.
/// no attributes other than a single IdlSequenceAttribute is needed on boxed field.
/// </summary>
private FieldBuilder DefineBoxedField(TypeBuilder boxBuilder, Type boxedType,
BoxedValueRuntimeTypeGenerator gen) {
Type fieldType = boxedType;
if (boxedType.IsArray) {
if (boxedType.GetElementType().IsArray) {
// recursive boxing needed: fieldType is an array of boxed values
fieldType = Array.CreateInstance(gen.GetOrCreateBoxedTypeForArray(boxedType.GetElementType()), 0).GetType();
} else {
// last step, can box directly
fieldType = boxedType;
}
}
// create the field for the boxed value
FieldBuilder fieldBuild = boxBuilder.DefineField("m_val", fieldType, FieldAttributes.Private);
if (boxedType.IsArray) {
CustomAttributeBuilder attrBuilder = (new IdlSequenceAttribute(0)).CreateAttributeBuilder();
fieldBuild.SetCustomAttribute(attrBuilder);
}
return fieldBuild;
}
/// <summary>define the box-Type for the CLS arrayType</summary>
private void DefineBoxedTypeForCLSArray(TypeBuilder boxBuilder, Type arrayType,
BoxedValueRuntimeTypeGenerator gen) {
IlEmitHelper.GetSingleton().AddSerializableAttribute(boxBuilder);
// add the field for the boxed value content
FieldBuilder valField = DefineBoxedField(boxBuilder, arrayType, gen);
// define getValue method
DefineGetValue(boxBuilder, valField);
// define getBoxed type methods:
DefineGetBoxedType(boxBuilder, valField);
DefineGetBoxedTypeAttributes(boxBuilder, valField);
DefineGetFirstNonBoxedType(boxBuilder, arrayType);
DefineGetFirstNonBoxedTypeName(boxBuilder, arrayType);
// define the constructors
DefineEmptyDefaultConstr(boxBuilder);
// define the constructor which sets the valField directly
DefineAssignConstr(boxBuilder, valField);
// define the constructor which transforms a .NET array to the form assignable to the valField, if types are different
if (!valField.FieldType.Equals(arrayType)) {
// need a constructor which transforms instance before assigning
DefineTransformAndAssignConstrForArray(boxBuilder, valField, arrayType);
}
}
/// <summary>create the boxed value type(s) for a .NET arrayType</summary>
internal TypeBuilder CreateBoxedTypeForArray(Type arrayType, ModuleBuilder modBuilder,
BoxedValueRuntimeTypeGenerator gen) {
// create the boxed value type(s) for the array
string boxedTypeFullName = CreateBoxedArrayFullTypeName(arrayType);
TypeBuilder boxBuilder = modBuilder.DefineType(boxedTypeFullName,
TypeAttributes.Class | TypeAttributes.Public,
ReflectionHelper.BoxedValueBaseType);
DefineBoxedTypeForCLSArray(boxBuilder, arrayType, gen);
return boxBuilder;
}
