/// <exception cref="Kirikiri.Tjs2.VariantException"></exception>
public virtual ExprNode MakeNP1(int opecode, ExprNode node1)
{
// 定数の最适化
if (node1 != null && node1.GetOpecode() == Token.T_CONSTVAL)
{
ExprNode ret = null;
switch (opecode)
{
case Token.T_EXCRAMATION:
{
ret = MakeConstValNode(node1.GetValue().GetNotValue());
break;
}
case Token.T_TILDE:
{
ret = MakeConstValNode(node1.GetValue().GetBitNotValue());
break;
}
case Token.T_SHARP:
{
Variant val = new Variant(node1.GetValue());
CharacterCodeOf(val);
ret = MakeConstValNode(val);
break;
}
case Token.T_DOLLAR:
{
Variant val = new Variant(node1.GetValue());
CharacterCodeFrom(val);
ret = MakeConstValNode(val);
break;
}
case Token.T_UPLUS:
{
Variant val = new Variant(node1.GetValue());
val.ToNumber();
ret = MakeConstValNode(val);
break;
}
case Token.T_UMINUS:
{
Variant val = new Variant(node1.GetValue());
val.ChangeSign();
ret = MakeConstValNode(val);
break;
}
case Token.T_INT:
{
Variant val = new Variant(node1.GetValue());
val.ToInteger();
ret = MakeConstValNode(val);
break;
}
case Token.T_REAL:
{
Variant val = new Variant(node1.GetValue());
val.ToReal();
ret = MakeConstValNode(val);
break;
}
case Token.T_STRING:
{
Variant val = new Variant(node1.GetValue());
val.ToString();
ret = MakeConstValNode(val);
break;
}
case Token.T_OCTET:
{
Variant val = new Variant(node1.GetValue());
val.ToOctet();
ret = MakeConstValNode(val);
break;
}
}
// swtich
if (ret != null)
{
node1.Clear();
return ret;
}
}
ExprNode node = new ExprNode();
mNodeToDeleteVector.AddItem(node);
node.SetOpecode(opecode);
node.SetPosition(GetLexPos());
node.Add(node1);
return node;
}