private static object doTrap(object self, string name, List args, Type type)
{
Slot slot = type.slot(name, true);
if (slot is Method)
{
Method m = (Method)slot;
return(m.m_func.callOn(self, args));
}
else
{
Field f = (Field)slot;
int argSize = (args == null) ? 0 : args.sz();
if (argSize == 0)
{
return(FanUtil.box(f.get(self)));
}
if (argSize == 1)
{
object val = args.get(0);
f.set(self, val);
return(FanUtil.box(val));
}
throw ArgErr.make("Invalid number of args to get or set field '" + name + "'").val;
}
}
protected static Enum doFromStr(Type t, string name, bool check)
{
// the compiler marks the value fields with the Enum flag
Slot slot = t.slot(name, false);
if (slot != null && (slot.m_flags & FConst.Enum) != 0)
{
try
{
return (Enum)((Field)slot).get(null);
}
catch (System.Exception)
{
}
}
if (!check) return null;
throw ParseErr.make(t.qname(), name).val;
}
protected static Enum doFromStr(Type t, string name, bool check)
{
// the compiler marks the value fields with the Enum flag
Slot slot = t.slot(name, false);
if (slot != null && (slot.m_flags & FConst.Enum) != 0)
{
try
{
return((Enum)((Field)slot).get(null));
}
catch (System.Exception)
{
}
}
if (!check)
{
return(null);
}
throw ParseErr.make(t.qname(), name).val;
}
public static Slot find(string qname, bool check)
{
string typeName, slotName;
try
{
int dot = qname.IndexOf('.');
typeName = qname.Substring(0, dot);
slotName = qname.Substring(dot + 1);
}
catch (Exception)
{
throw Err.make("Invalid slot qname \"" + qname + "\", use <pod>::<type>.<slot>").val;
}
Type type = Type.find(typeName, check);
if (type == null)
{
return(null);
}
return(type.slot(slotName, check));
}
/// <summary>
/// typeLiteral := type "#"
/// slotLiteral := type "#" id
/// </summary>
private object readTypeOrSlotLiteral(int line, Type t)
{
consume(Token.POUND, "Expected '#' for type literal");
if (curt == Token.ID && !isEndOfStmt(line))
{
string slotName = consumeId("slot literal name");
return t.slot(slotName);
}
else
{
return t;
}
}
private static object doTrap(object self, string name, List args, Type type)
{
Slot slot = type.slot(name, true);
if (slot is Method)
{
Method m = (Method)slot;
return m.m_func.callOn(self, args);
}
else
{
Field f = (Field)slot;
int argSize = (args == null) ? 0 : args.sz();
if (argSize == 0)
{
return FanUtil.box(f.get(self));
}
if (argSize == 1)
{
object val = args.get(0);
f.set(self, val);
return FanUtil.box(val);
}
throw ArgErr.make("Invalid number of args to get or set field '" + name + "'").val;
}
}
