public void VisitBoolConstant(OBoolConstant oBoolConstant)
{
throw new NotImplementedException();
}
/// <summary>
/// constant :
/// TIMESTAMP(string | bind_variable) (AT TIME ZONE string)?
/// | INTERVAL(string | bind_variable | general_element_part) (YEAR | MONTH | DAY | HOUR | MINUTE | SECOND)
/// (LEFT_PAREN (UNSIGNED_INTEGER | bind_variable) (COMMA (UNSIGNED_INTEGER | bind_variable) )? RIGHT_PAREN )?
/// (TO (DAY | HOUR | MINUTE | SECOND(LEFT_PAREN (UNSIGNED_INTEGER | bind_variable) RIGHT_PAREN )?))?
/// | numeric
/// | DATE string
/// | string
/// | NULL
/// | TRUE
/// | FALSE
/// | DBTIMEZONE
/// | SESSIONTIMEZONE
/// | MINVALUE
/// | MAXVALUE
/// | DEFAULT
/// ;
/// </summary>
/// <param name="context"></param>
/// <returns></returns>
public override object VisitConstant([NotNull] PlSqlParser.ConstantContext context)
{
OConstant _result = null;
if (context.TIMESTAMP() != null)
{
Stop();
// TIMESTAMP (string | bind_variable) (AT TIME ZONE string)?
}
else if (context.INTERVAL() != null)
{
Stop();
/*INTERVAL (string | bind_variable | general_element_part) (YEAR | MONTH | DAY | HOUR | MINUTE | SECOND)
* ( LEFT_PAREN (UNSIGNED_INTEGER | bind_variable) (COMMA (UNSIGNED_INTEGER | bind_variable) )? RIGHT_PAREN )?
* (TO ( DAY | HOUR | MINUTE | SECOND ( LEFT_PAREN (UNSIGNED_INTEGER | bind_variable) RIGHT_PAREN )?))?*/
}
else if (context.DEFAULT() != null)
{
Stop();
}
else if (context.MAXVALUE() != null)
{
Stop();
}
else if (context.MINVALUE() != null)
{
Stop();
}
else if (context.SESSIONTIMEZONE() != null)
{
Stop();
}
else if (context.DBTIMEZONE() != null)
{
Stop();
}
else if (context.NULL() != null)
{
Stop();
}
else if (context.DATE() != null)
{
Stop();
}
else if (context.FALSE() != null)
{
_result = new OBoolConstant()
{
Value = false
}
}
;
else if (context.TRUE() != null)
{
_result = new OBoolConstant()
{
Value = true
}
}
;
else
{
var _numeric = context.numeric();
if (_numeric != null)
{
if (_numeric.APPROXIMATE_NUM_LIT() != null)
{
Stop();
}
else
{
var i = _numeric.ToInteger();
_result = new OIntegerConstant()
{
Value = i
};
}
}
else
{
var _string = context.@string();
if (_string != null)
{
StringBuilder sb = new StringBuilder();
foreach (var item in _string)
{
sb.Append(item.GetText());
}
_result = new OStringConstant()
{
Value = sb.ToString().Trim('\'')
};
}
}
}
Debug.Assert(_result != null);
return(_result);
}
public void VisitBoolConstant(OBoolConstant oBoolConstant)
{
}
