public override IAstNode Constant(Constant constant)
{
var unparsedNumber = constant.Value as UnparsedNumber;
if (unparsedNumber != null)
return new Constant(unparsedNumber.Parse());
return base.Constant(constant);
}
void Factor(out Expression e)
{
string name; Expression e1; e = null;
if (la.kind == 1) {
Ident(out name);
e = new Variable(name);
if (la.kind == 3) {
Get();
Expr(out e1);
Expect(4);
e = new FunctionCall(name, e1);
}
} else if (la.kind == 2) {
Get();
e = new Constant(int.Parse(t.val), Type.IntegerType);
} else if (la.kind == 18) {
Get();
Factor(out e1);
e = new UnaryOperation(Operator.Neg, e1);
} else if (la.kind == 3) {
Get();
Expr(out e1);
Expect(4);
e = e1;
} else SynErr(25);
}
public void Constant(Constant constant)
{
if (constant.Value == null)
{
ILUtil.EmitNull(_il);
}
else if (constant.Value is DateTime)
{
ILUtil.EmitConstant(_il, ((DateTime)constant.Value).Ticks);
ILUtil.EmitNew(_il, typeof(DateTime).GetConstructor(new[] { typeof(long) }));
}
else if (constant.Value is TimeSpan)
{
ILUtil.EmitConstant(_il, ((TimeSpan)constant.Value).Ticks);
ILUtil.EmitNew(_il, typeof(TimeSpan).GetConstructor(new[] { typeof(long) }));
}
else
{
ILUtil.EmitConstant(_il, constant.Value);
}
}