VariableInfo (VariableInfo parent, TypeInfo type)
{
this.Name = parent.Name;
this.TypeInfo = type;
this.Offset = parent.Offset + type.Offset;
this.Length = type.TotalLength;
this.IsParameter = parent.IsParameter;
Initialize ();
}
//
// We only need one instance per type
//
StructInfo (TypeSpec type)
{
field_type_hash.Add (type, this);
fields = MemberCache.GetAllFieldsForDefiniteAssignment (type);
struct_field_hash = new Dictionary<string, TypeInfo> ();
field_hash = new Dictionary<string, int> (fields.Count);
StructFields = new TypeInfo[fields.Count];
StructInfo[] sinfo = new StructInfo[fields.Count];
InTransit = true;
for (int i = 0; i < fields.Count; i++) {
var field = fields [i];
if (field.MemberType.IsStruct)
sinfo [i] = GetStructInfo (field.MemberType);
if (sinfo [i] == null)
field_hash.Add (field.Name, ++Length);
else if (sinfo [i].InTransit) {
sinfo [i] = null;
return;
}
}
InTransit = false;
TotalLength = Length + 1;
for (int i = 0; i < fields.Count; i++) {
var field = fields [i];
if (sinfo [i] == null)
continue;
field_hash.Add (field.Name, TotalLength);
StructFields [i] = new TypeInfo (sinfo [i], TotalLength);
struct_field_hash.Add (field.Name, StructFields [i]);
TotalLength += sinfo [i].TotalLength;
}
}
VariableInfo (string name, TypeSpec type, int offset)
{
this.Name = name;
this.Offset = offset;
this.TypeInfo = TypeInfo.GetTypeInfo (type);
Length = TypeInfo.TotalLength;
Initialize ();
}
public static TypeInfo GetTypeInfo (TypeSpec type)
{
if (!type.IsStruct)
return simple_type;
TypeInfo info;
if (type_hash.TryGetValue (type, out info))
return info;
var struct_info = StructInfo.GetStructInfo (type);
if (struct_info != null) {
info = new TypeInfo (struct_info, 0);
} else {
info = simple_type;
}
type_hash.Add (type, info);
return info;
}