// Generate the C structure for a value type, such as an enum or struct
private (CppComplexType valueType, CppComplexType boxedType) GenerateValueFieldStruct(TypeInfo ti)
{
CppComplexType valueType, boxedType;
string name = TypeNamer.GetName(ti);
if (ti.IsEnum)
{
// Enums should be represented using enum syntax
// They otherwise behave like value types
var underlyingType = AsCType(ti.GetEnumUnderlyingType());
valueType = types.Enum(underlyingType, name);
foreach (var field in ti.DeclaredFields)
{
if (field.Name != "value__")
{
((CppEnumType)valueType).AddField(EnumNamer.GetName(field), field.DefaultValue);
}
}
boxedType = GenerateObjectStruct(name + "__Boxed", ti);
boxedType.AddField("value", AsCType(ti));
}
else
{
// This structure is passed by value, so it doesn't include Il2CppObject fields.
valueType = types.Struct(name);
GenerateFieldList(valueType, CreateNamespace(), ti);
// Also generate the boxed form of the structure which includes the Il2CppObject header.
boxedType = GenerateObjectStruct(name + "__Boxed", ti);
boxedType.AddField("fields", AsCType(ti));
}
return(valueType, boxedType);
}
// Generate the C structure for a value type, such as an enum or struct
private void GenerateValueFieldStruct(StringBuilder csrc, TypeInfo ti)
{
string name = TypeNamer.GetName(ti);
if (ti.IsEnum)
{
// Enums should be represented using enum syntax
// They otherwise behave like value types
csrc.Append($"enum {name} : {AsCType(ti.GetEnumUnderlyingType())} {{\n");
foreach (var field in ti.DeclaredFields)
{
if (field.Name != "value__")
{
csrc.Append($" {EnumNamer.GetName(field)} = {field.DefaultValue},\n");
}
}
csrc.Append($"}};\n");
// Use System.Enum base type as klass
csrc.Append($"struct {name}__Boxed {{\n");
GenerateObjectFields(csrc, ti.BaseType);
csrc.Append($" {AsCType(ti)} value;\n");
csrc.Append($"}};\n");
}
else
{
// This structure is passed by value, so it doesn't include Il2CppObject fields.
csrc.Append($"struct {name} {{\n");
GenerateFieldList(csrc, CreateNamespace(), ti);
csrc.Append($"}};\n");
// Also generate the boxed form of the structure which includes the Il2CppObject header.
csrc.Append($"struct {name}__Boxed {{\n");
GenerateObjectFields(csrc, ti);
csrc.Append($" {AsCType(ti)} fields;\n");
csrc.Append($"}};\n");
}
}
