/// <summary>
/// Parses the time expression.
/// - 12pm
/// - 12:30pm
/// - 12:30 pm
/// </summary>
/// <returns></returns>
public override Expr Parse()
{
var startToken = _tokenIt.NextToken;
var time = ParseTime(this, false, false);
return(Exprs.Const(new LTime(time), startToken));
}
/// <summary>
/// Parses the day expression.
/// Monday, Tuesday, Wednesday, Thursday, Friday, Saturday, Sunday
/// </summary>
/// <returns></returns>
public override Expr Parse()
{
var startToken = _tokenIt.NextToken;
_tokenIt.Advance();
var word = _tokenIt.NextToken.Token.Text;
_tokenIt.Advance();
return(Exprs.Const(new LString(word), startToken));
}
/// <summary>
/// @addwords( nasdaq, fluent script )
/// </summary>
/// <returns></returns>
public override Expr Parse()
{
var startToken = _tokenIt.NextToken;
if (_idCount > 0)
{
_tokenIt.Advance(_idCount);
}
// Finally move past this plugin.
_tokenIt.Advance();
return(Exprs.Const(new LString(_word), startToken));
}
/// <summary>
/// Sorts expression
/// </summary>
/// <returns></returns>
public override Expr Parse(object context)
{
var constExp = context as ConstantExpr;
var ctx = _parser.Context;
var t = _tokenIt.Advance();
var lobj = (LObject)constExp.Value;
// Validate.
if (lobj.Type != LTypes.Number)
{
throw _tokenIt.BuildSyntaxException("number required when using units : " + t.Token.Text, t);
}
var lval = ((LNumber)lobj).Value;
var result = ctx.Units.ConvertToUnits(lval, t.Token.Text);
var lclass = LangTypeHelper.ConvertToLangUnit(result);
var finalExp = Exprs.Const(lclass, t);
// Move past the plugin.
_tokenIt.Advance();
return(finalExp);
}