protected IEnumerable <ProcessedFieldInfo> PostProcessFields(IEnumerable <FieldInfo> fields)
{
foreach (FieldInfo field in fields)
{
ProcessedFieldInfo processedField = new ProcessedFieldInfo(field, this);
yield return(processedField);
}
}
protected void Generate(ProcessedFieldInfo field)
{
FieldInfo fi = field.Field;
bool read_only = fi.IsInitOnly || fi.IsLiteral;
headers.Write("@property (nonatomic");
if (fi.IsStatic)
{
headers.Write(", class");
}
if (read_only)
{
headers.Write(", readonly");
}
var ft = fi.FieldType;
var bound = types.Contains(ft);
if (bound && ft.IsValueType)
{
headers.Write(", nonnull");
}
var field_type = NameGenerator.GetTypeName(ft);
if (bound)
{
field_type += " *";
}
var name = fi.Name.CamelCase();
var spacing = field_type [field_type.Length - 1] == '*' ? string.Empty : " ";
headers.WriteLine($") {field_type}{spacing}{name};");
// it's similar, but different from implementing a method
var type = fi.DeclaringType;
var managed_type_name = NameGenerator.GetObjCName(type);
var return_type = GetReturnType(type, fi.FieldType);
implementation.Write(fi.IsStatic ? '+' : '-');
implementation.WriteLine($" ({return_type}) {name}");
implementation.WriteLine("{");
implementation.Indent++;
implementation.WriteLine("static MonoClassField* __field = nil;");
implementation.WriteLine("if (!__field) {");
implementation.Indent++;
implementation.WriteLineUnindented("#if TOKENLOOKUP");
implementation.WriteLine($"__field = mono_class_get_field ({managed_type_name}_class, 0x{fi.MetadataToken:X8});");
implementation.WriteLineUnindented("#else");
implementation.WriteLine($"const char __field_name [] = \"{fi.Name}\";");
implementation.WriteLine($"__field = mono_class_get_field_from_name ({managed_type_name}_class, __field_name);");
implementation.WriteLineUnindented("#endif");
implementation.Indent--;
implementation.WriteLine("}");
var instance = "nil";
if (!fi.IsStatic)
{
implementation.WriteLine($"MonoObject* __instance = mono_gchandle_get_target (_object->_handle);");
instance = "__instance";
}
implementation.WriteLine($"MonoObject* __result = mono_field_get_value_object (__mono_context.domain, __field, {instance});");
if (types.Contains(ft))
{
implementation.WriteLine("if (!__result)");
implementation.Indent++;
implementation.WriteLine("return nil;");
implementation.Indent--;
}
ReturnValue(fi.FieldType);
implementation.Indent--;
implementation.WriteLine("}");
implementation.WriteLine();
if (read_only)
{
return;
}
implementation.Write(fi.IsStatic ? '+' : '-');
implementation.WriteLine($" (void) set{fi.Name}:({field_type})value");
implementation.WriteLine("{");
implementation.Indent++;
implementation.WriteLine("static MonoClassField* __field = nil;");
implementation.WriteLine("if (!__field) {");
implementation.Indent++;
implementation.WriteLineUnindented("#if TOKENLOOKUP");
implementation.WriteLine($"__field = mono_class_get_field ({managed_type_name}_class, 0x{fi.MetadataToken:X8});");
implementation.WriteLineUnindented("#else");
implementation.WriteLine($"const char __field_name [] = \"{fi.Name}\";");
implementation.WriteLine($"__field = mono_class_get_field_from_name ({managed_type_name}_class, __field_name);");
implementation.WriteLineUnindented("#endif");
implementation.Indent--;
implementation.WriteLine("}");
StringBuilder sb = null;
implementation.WriteLine($"void* __value;");
GenerateArgument("value", "__value", fi.FieldType, ref sb);
if (fi.IsStatic)
{
implementation.WriteLine($"MonoVTable *__vtable = mono_class_vtable (__mono_context.domain, {managed_type_name}_class);");
implementation.WriteLine("mono_field_static_set_value (__vtable, __field, __value);");
}
else
{
implementation.WriteLine($"MonoObject* __instance = mono_gchandle_get_target (_object->_handle);");
implementation.WriteLine("mono_field_set_value (__instance, __field, __value);");
}
implementation.Indent--;
implementation.WriteLine("}");
implementation.WriteLine();
}
