void Literal(out OqlExpression expression)
{
OqlExpression result = null;
switch (la.kind)
{
case 2: {
Get();
result = new NumberExpression(double.Parse(t.val, CultureInfo.InvariantCulture), t.line, t.col);
break;
}
case 3: {
Get();
result = new NumberExpression(int.Parse(t.val), t.line, t.col);
break;
}
case 4: {
Get();
result = new StringLiteralExpression(t.val, t.line, t.col);
break;
}
case 13: {
Get();
result = new NamedConstantExpression("TRUE", t.line, t.col);
break;
}
case 38: {
Get();
result = new NamedConstantExpression("FALSE", t.line, t.col);
break;
}
case 12: {
Get();
result = new NamedConstantExpression("NULL", t.line, t.col);
break;
}
default: SynErr(45); break;
}
expression = result.Simplify();
}
