public static ParserResult CreateRule(Token token, Context context)
{
XElement input = token.Value;
if (input.Attribute(REFERNCENAME) != null) {
var resultName = input.Attribute(REFERNCENAME).Value;
var result = context.Get<ParserResult>(resultName);
if(result == null) throw new SyntaxException(token, string.Format("cannot find the refenerce: {0}", resultName));
return result;
}
TokenInfo info = TokenInfo.Create(input, context);
if(info != null) {
if (token.TokenType == TokenType.RULE) {
return CreateRule(info);
}else if (token.TokenType == TokenType.MAPRULE) {
return CreateMapRule(info);
} else if (token.TokenType == TokenType.REDUCERULE) {
return CreateReduceRule(info);
} else {
throw new SyntaxException(token, string.Format("error on create parse result, cannot find the rule: {0}", info.Image));
}
} else {
return null;
}
}
public SyntaxException(Token source, string message)
: this(message)
{
Source = source;
}
