bool GreaterThan(MetaSymbol a, MetaSymbol b)
{
if (a.Type != b.Type)
{
return(false);
}
switch (a.Type)
{
case Tokens.NUM:
return(MetaSymbol.Cast <float>(Tokens.NUM, a).Value > MetaSymbol.Cast <float>(Tokens.NUM, b).Value);
case Tokens.INT:
return(MetaSymbol.Cast <int>(Tokens.INT, a).Value < MetaSymbol.Cast <int>(Tokens.INT, b).Value);
default:
throw new SyntaxError("<num>|<int>", a.Type);
}
}
bool Equal(MetaSymbol a, MetaSymbol b)
{
if (a.Type != b.Type)
{
return(false);
}
switch (a.Type)
{
case Tokens.NUM:
return(MetaSymbol.Cast <float>(Tokens.NUM, a).Value == MetaSymbol.Cast <float>(Tokens.NUM, b).Value);
case Tokens.STR:
return(MetaSymbol.Cast <string>(Tokens.STR, a).Value == MetaSymbol.Cast <string>(Tokens.STR, b).Value);
case Tokens.INT:
return(MetaSymbol.Cast <int>(Tokens.INT, a).Value == MetaSymbol.Cast <int>(Tokens.INT, b).Value);
default:
throw new SyntaxError("<num>|<str>|<int>", a.Type);
}
}