public override bool Scan(string[] tokens, int position, Replacer replacer)
{
var macroName = replacer.Replace(tokens[1]);
var parameterSource = replacer.Replace(tokens[2]);
var value = replacer.Replace(tokens[3]);
var parameters = parameterSource.Split("/s* ',' /s*");
var macro = new Macro(macroName, value);
foreach (var parameter in parameters)
{
assert(() => parameter).Must().MatchFriendly(REGEX_NAME)
.OrThrow(() => AssertionMessage(Source, position, "$name isn't a properly formed name"));
macro.AddParameter(parameter);
}
replacer.AddMacro(macro);
return(true);
}