コード例 #1
0
        public List<TokenDefinition> Parse()
        {
            List<TokenDefinition> definitions = new List<TokenDefinition>();
            if (!Valid) return definitions;

            StreamReader rd = new StreamReader(Filename);
            while (rd.EndOfStream == false)
            {
                string line = rd.ReadLine();
                if (!string.IsNullOrEmpty(line))
                {
                    TokenDefinition token = null;

                    if(line.StartsWith("//"))
                    {
                        // skip annotations
                        continue;
                    }

                    if (line.Contains(' '))
                    {
                        var value = line.Split(' ');
                        bool ignored = false;

                        var attributes = new TokenAttributes();

                        if (value.Length > 2)
                        {
                            for (var i = 2; i < value.Length; i++)
                            {
                                if (value[i].ToLower().Contains("ignore"))
                                    ignored = true;
                                else
                                {
                                    var _value = value[i].ToString();
                                    if (string.IsNullOrEmpty(_value) == false)
                                        attributes.Add(value[i].ToString());
                                }
                            }
                        }

                        token = new TokenDefinition(value[0], new Regex(value[1]), ignored);
                        token.Attributes = attributes;
                    }
                    else
                    {
                        token = new TokenDefinition(line, new Regex(line));
                    }

                    if (token != null)
                        definitions.Add(token);
                }
            }
            return definitions;
        }
コード例 #2
0
ファイル: Token.cs プロジェクト: vitodtagliente/MyCompiler
        public static Token Parse(string line)
        {
            var pieces = parsePieces(line);
            if (pieces.Count <= 4)
                return null;

            try
            {
                var position = new TokenPosition(int.Parse(pieces[2]), int.Parse(pieces[3]), int.Parse(pieces[4]));
                var attributes = new TokenAttributes();
                if(pieces.Count >= 5)
                {
                    for (int i = 5; i < pieces.Count; i++)
                        attributes.Add(pieces[i]);
                }
                var token = new Token(pieces[0], pieces[1], position, attributes);
                return token;
            }
            catch (Exception)
            {
                return null;
            }
        }