private LiteralExpr TranslateLiteral(TokenLiteral l)
{
LiteralExpr m;
if (l.OnBooleanValue)
{
m = LiteralExpr.CreateBooleanValue(l.BooleanValue);
}
else if (l.OnIntValue)
{
m = LiteralExpr.CreateIntValue(l.IntValue);
}
else if (l.OnRealValue)
{
m = LiteralExpr.CreateRealValue(l.RealValue);
}
else
{
throw new InvalidOperationException();
}
Positions.Add(m, Positions[l]);
return(m);
}
/// <summary>字面量表达式</summary>
public static Expr CreateLiteral(LiteralExpr Value)
{
return(new Expr {
_Tag = ExprTag.Literal, Literal = Value
});
}
