public int TransformSpecialConstant(SpecialConstant expr)
{
ExtractCILIndex(expr);
object value = expr.Eval(_eval);
Emit(ISet.LdConst(value), expr, 0, expr.ResultType);
return(0);
}
/// <summary>
/// Transforms a special constant expression. The default implementation clones it.
/// </summary>
/// <param name="expr">special constant expression</param>
/// <returns>transformation result</returns>
public virtual Expression TransformSpecialConstant(SpecialConstant expr)
{
return(expr);
}
public bool TransformSpecialConstant(SpecialConstant expr)
{
return(true);
}
public Expression TransformSpecialConstant(SpecialConstant expr)
{
return(SpecialConstant.ScalarZero);
}
public string GetSpecialConstantSymbol(SpecialConstant.Kind constant)
{
switch (constant)
{
case SpecialConstant.Kind.E: return "MATH_E";
case SpecialConstant.Kind.False: return "false";
case SpecialConstant.Kind.PI: return "MATH_PI";
case SpecialConstant.Kind.ScalarOne: return "1.0";
case SpecialConstant.Kind.ScalarZero: return "0.0";
case SpecialConstant.Kind.True: return "true";
default: throw new NotImplementedException();
}
}
/// <summary>
/// Transforms a special constant expression. The default implementation clones it.
/// </summary>
/// <param name="expr">special constant expression</param>
/// <returns>transformation result</returns>
public virtual Expression TransformSpecialConstant(SpecialConstant expr)
{
return expr;
}
