private UserMethod DefineInterfaceMethod(UserType type, string name, string _return, string[] parTypes, string[] parNames)
{
MethodAttributes attr = MethodAttributes.Public | MethodAttributes.HideBySig | MethodAttributes.Abstract | MethodAttributes.NewSlot | MethodAttributes.Virtual;
IdEntry[] pars = new IdEntry[parTypes.Length];
for (int i = 0; i < parTypes.Length; i++)
{
pars[i] = this.GetTypeIdEntry(parTypes[i]);
}
IdEntry ret = KeywordToType(_return) != null ? new IdEntry()
{
ReflectionObject = KeywordToType(_return)
} : this.GetTypeIdEntry(_return);
UserMethod metb = type.DefineMethod(name, attr, ret, pars, parNames);
return(metb);
}
private UserMethod DefineMethod(UserType type, String name, List <string> modifiers, String _return, String[] parTypes, String[] parNames)
{
bool overrid = modifiers.Remove("override");
if (overrid)
{
modifiers.Add("virtual");
}
if (!type.IsAbstract && modifiers.Contains("abstract"))
{
throw new CheckerException("Cannot declare abstract method " + name + " in a non-abstract class: " + type.Name);
}
if (modifiers.Contains("abstract"))
{
modifiers.Add("virtual");
}
MethodAttributes attr = MethodAttributes.HideBySig;
foreach (String s in modifiers)
{
attr |= (MethodAttributes)Enum.Parse(typeof(MethodAttributes), s, true);
}
IdEntry[] pars = new IdEntry[parTypes.Length];
for (int i = 0; i < parTypes.Length; i++)
{
pars[i] = this.GetTypeIdEntry(parTypes[i]);
}
IdEntry ret = KeywordToType(_return) != null ? new IdEntry()
{
ReflectionObject = KeywordToType(_return)
} : this.GetTypeIdEntry(_return);
if (overrid)
{
MethodInfo m = type.BaseType.GetMethod(name, BindingFlags.FlattenHierarchy | BindingFlags.Instance | BindingFlags.Public | BindingFlags.NonPublic, null, LibraryChecker.ToArray <Type>(pars), null);
if (m == null || m.ReturnType != ret.ReflectionObject)
{
throw new CheckerException("No suitable method found to override: " + name);
}
if (!m.IsVirtual)
{
throw new CheckerException("Cannot override a non-virtual method: " + m.Name);
}
}
else
{
MethodInfo m = type.GetMethod(name, BindingFlags.FlattenHierarchy | BindingFlags.ExactBinding | BindingFlags.Instance | BindingFlags.Public | BindingFlags.NonPublic, null, LibraryChecker.ToArray <Type>(pars), null);
if (m != null)
{
throw new CheckerException("Method already exists: " + m.Name);
}
if (type.GetInterfaceMethod(name, LibraryChecker.ToArray <Type>(pars)) != null)
{
attr |= MethodAttributes.NewSlot | MethodAttributes.Virtual;
}
}
UserMethod metb = type.DefineMethod(name, attr, ret, pars, parNames);
return(metb);
}