Exemplo n.º 1
0
        private static void Execute(string code, string fname, Context context, bool inlineOutput)
        {
            Tokenizer       tokenizer       = new Tokenizer(fname, code);
            TokenizerResult tokenizerResult = tokenizer.GenerateTokens();

            if (!tokenizerResult.HasError)
            {
                Parser       parser       = new Parser(tokenizerResult.Tokens);
                ParserResult parserResult = parser.Parse();
                if (!parserResult.HasError)
                {
                    Interpreter   interpreter   = new Interpreter();
                    RuntimeResult runtimeResult = interpreter.Visit(parserResult.Node, context);
                    if (!runtimeResult.HasError)
                    {
                        if (inlineOutput)
                        {
                            Console.WriteLine(runtimeResult.Value);
                        }
                    }
                    else
                    {
                        Console.WriteLine(runtimeResult.Error);
                    }
                }
                else
                {
                    Console.WriteLine(parserResult.Error);
                }
            }
            else
            {
                Console.WriteLine(tokenizerResult.Error);
            }
        }
Exemplo n.º 2
0
        private RuntimeResult VisitLoadNode(LoadNode node, Context context)
        {
            string fname    = node.Token.Value.ToString();
            string fileName = "";

            if (File.Exists(Program.FileDirectory + fname + Program.LibraryExt))
            {
                fileName = Program.FileDirectory + fname + Program.LibraryExt;
            }
            else if (File.Exists(Program.FileDirectory + "libs\\" + fname + Program.LibraryExt))
            {
                fileName = Program.FileDirectory + "libs\\" + fname + Program.LibraryExt;
            }
            else if (File.Exists(Program.FileDirectory + fname + ".si"))
            {
                fileName = Program.FileDirectory + fname + ".si";
            }
            else if (File.Exists(Program.FileDirectory + "libs\\" + fname + ".si"))
            {
                fileName = Program.FileDirectory + "libs\\" + fname + ".si";
            }
            else if (File.Exists(Program.BaseDirectory + fname + Program.LibraryExt))
            {
                fileName = Program.BaseDirectory + fname + Program.LibraryExt;
            }
            else if (File.Exists(Program.BaseDirectory + "libs\\" + fname + Program.LibraryExt))
            {
                fileName = Program.BaseDirectory + fname + "libs\\" + Program.LibraryExt;
            }
            else if (File.Exists(Program.BaseDirectory + fname + ".si"))
            {
                fileName = Program.BaseDirectory + fname + ".si";
            }
            else if (File.Exists(Program.BaseDirectory + "libs\\" + fname + ".si"))
            {
                fileName = Program.BaseDirectory + "libs\\" + fname + ".si";
            }

            if (fileName.Equals(""))
            {
                return(new RuntimeResult(new RuntimeError(node.Token.Position, "Assembly '" + fname + "' not found!", context)));
            }

            if (fileName.EndsWith(Program.LibraryExt))
            {
                if (node.ClassToken != null)
                {
                    Values.AssemblyValue value = new Values.AssemblyValue();
                    value.SetPositionAndContext(node.Token.Position, context);
                    value.LoadAsm("libs\\" + fname + Program.LibraryExt, fname, node.ClassToken.Value.ToString());
                    context.AddSymbol(node.ClassToken.Value.ToString(), value);
                    return(new RuntimeResult(value));
                }
                else
                {
                    //todo fix this system
                    Assembly asm   = Assembly.LoadFile(fileName);
                    Type[]   types = asm.GetTypes();
                    for (int i = 0; i < types.Length; i++)
                    {
                        Console.WriteLine(types[i].Name);
                    }
                    for (int i = 0; i < types.Length; i++)
                    {
                        Values.AssemblyValue value = new Values.AssemblyValue();
                        value.Assembly = asm;
                        value.AsmType  = types[i];
                        FieldInfo[] fields = types[i].GetFields();
                        for (int j = 0; j < fields.Length; j++)
                        {
                            context.AddSymbol(fields[j].Name, Values.AssemblyValue.ParseValue(fields[j].GetValue(null), node.Token.Position, context));
                        }
                        value.SetPositionAndContext(node.Token.Position, context);
                        context.AddSymbol(types[i].Name, value);
                        if (i == types.Length - 1)
                        {
                            return(new RuntimeResult(value));
                        }
                    }
                }
            }
            else
            {
                string          code            = File.ReadAllText(fileName).Replace("\r\n", "\n");
                Tokenizer       tokenizer       = new Tokenizer(fname, code);
                TokenizerResult tokenizerResult = tokenizer.GenerateTokens();
                if (!tokenizerResult.HasError)
                {
                    Parser       parser       = new Parser(tokenizerResult.Tokens);
                    ParserResult parserResult = parser.Parse();
                    if (!parserResult.HasError)
                    {
                        Interpreter interpreter = new Interpreter();
                        return(interpreter.Visit(parserResult.Node, context));
                    }
                    else
                    {
                        return(new RuntimeResult(parserResult.Error));
                    }
                }
                else
                {
                    return(new RuntimeResult(tokenizerResult.Error));
                }
            }
            return(new RuntimeResult(new RuntimeError(node.Token.Position, "Library " + fname + " not found!", context)));
        }
Exemplo n.º 3
0
        public TokenizerResult GenerateTokens()
        {
            List <Token> tokens = new List <Token>();

            while (currentChar != '\0')
            {
                if (SkipChars.Contains(currentChar))
                {
                    Advance();
                }
                else if (currentChar == '0')
                {
                    if (Peek() == 'x' || Peek() == 'X')
                    {
                        TokenizerResult result = MakeHexNumber();
                        if (result.HasError)
                        {
                            return(result);
                        }
                        tokens.Add(result.SingleToken);
                    }
                    else if (Peek() == 'o' || Peek() == 'O')
                    {
                        TokenizerResult result = MakeOctNumber();
                        if (result.HasError)
                        {
                            return(result);
                        }
                        tokens.Add(result.SingleToken);
                    }
                    else if (Peek() == 'b' || Peek() == 'B')
                    {
                        TokenizerResult result = MakeBinNumber();
                        if (result.HasError)
                        {
                            return(result);
                        }
                        tokens.Add(result.SingleToken);
                    }
                    else
                    {
                        TokenizerResult result = MakeNumber();
                        if (result.HasError)
                        {
                            return(result);
                        }
                        tokens.Add(result.SingleToken);
                    }
                }
                else if (Digits.Contains(currentChar))
                {
                    TokenizerResult result = MakeNumber();
                    if (result.HasError)
                    {
                        return(result);
                    }
                    tokens.Add(result.SingleToken);
                }
                else if (currentChar == 'b' || currentChar == 'B')
                {
                    if (Peek() == '\'' || Peek() == '"')
                    {
                        Advance();
                        Token strToken = MakeString(currentChar);
                        tokens.Add(new Token(TokenType.BYTE_ARRAY, strToken.Value).SetPosition(strToken.Position));
                    }
                    else
                    {
                        tokens.Add(MakeIdentifier());
                    }
                }
                else if (Letters.Contains(currentChar))
                {
                    tokens.Add(MakeIdentifier());
                }
                else if (currentChar == '"')
                {
                    tokens.Add(MakeString('"'));
                }
                else if (currentChar == '\'')
                {
                    tokens.Add(MakeString('\''));
                }
                else if (currentChar == '.')
                {
                    tokens.Add(new Token(TokenType.DOT).SetPosition(currentPosition.Clone()));
                    Advance();
                }
                else if (currentChar == ':')
                {
                    tokens.Add(new Token(TokenType.COLON).SetPosition(currentPosition.Clone()));
                    Advance();
                }
                else if (currentChar == '\n' || currentChar == ';')
                {
                    tokens.Add(new Token(TokenType.NEWLINE).SetPosition(currentPosition.Clone()));
                    Advance();
                }
                else if (currentChar == '+')
                {
                    if (Peek() == '=')
                    {
                        tokens.Add(new Token(TokenType.PLS_EQ).SetPosition(currentPosition.Clone()));
                        Advance(2);
                    }
                    else
                    {
                        tokens.Add(new Token(TokenType.PLUS).SetPosition(currentPosition.Clone()));
                        Advance();
                    }
                }
                else if (currentChar == '-')
                {
                    if (Peek() == '=')
                    {
                        tokens.Add(new Token(TokenType.MIN_EQ).SetPosition(currentPosition.Clone()));
                        Advance(2);
                    }
                    else
                    {
                        tokens.Add(new Token(TokenType.MINUS).SetPosition(currentPosition.Clone()));
                        Advance();
                    }
                }
                else if (currentChar == '*')
                {
                    if (Peek() == '*')
                    {
                        if (Peek(2) == '=')
                        {
                            tokens.Add(new Token(TokenType.EXP_EQ).SetPosition(currentPosition.Clone()));
                            Advance(3);
                        }
                        else
                        {
                            tokens.Add(new Token(TokenType.EXPONENT).SetPosition(currentPosition.Clone()));
                            Advance(2);
                        }
                    }
                    else if (Peek() == '=')
                    {
                        tokens.Add(new Token(TokenType.MUL_EQ).SetPosition(currentPosition.Clone()));
                        Advance(2);
                    }
                    else
                    {
                        tokens.Add(new Token(TokenType.MULTIPLY).SetPosition(currentPosition.Clone()));
                        Advance();
                    }
                }
                else if (currentChar == '/')
                {
                    if (Peek() == '=')
                    {
                        tokens.Add(new Token(TokenType.DIV_EQ).SetPosition(currentPosition.Clone()));
                        Advance(2);
                    }
                    else if (Peek() == '/')
                    {
                        while (currentChar != '\n')
                        {
                            if (currentChar == '\0')
                            {
                                break;
                            }
                            Advance();
                        }
                        Advance();
                        continue;
                    }
                    else if (Peek() == '*')
                    {
                        SkipMultilineComment();
                    }
                    else
                    {
                        tokens.Add(new Token(TokenType.DIVIDE).SetPosition(currentPosition.Clone()));
                        Advance();
                    }
                }
                else if (currentChar == '%')
                {
                    if (Peek() == '=')
                    {
                        tokens.Add(new Token(TokenType.MOD_EQ).SetPosition(currentPosition.Clone()));
                        Advance(2);
                    }
                    else
                    {
                        tokens.Add(new Token(TokenType.MODULUS).SetPosition(currentPosition.Clone()));
                        Advance();
                    }
                }
                else if (currentChar == '&')
                {
                    if (Peek() == '=')
                    {
                        tokens.Add(new Token(TokenType.AND_EQ).SetPosition(currentPosition.Clone()));
                        Advance(2);
                    }
                    else if (Peek() == '&')
                    {
                        tokens.Add(new Token(TokenType.BOOLEAN_AND).SetPosition(currentPosition.Clone()));
                        Advance(2);
                    }
                    else
                    {
                        tokens.Add(new Token(TokenType.BITWISE_AND).SetPosition(currentPosition.Clone()));
                        Advance();
                    }
                }
                else if (currentChar == '|')
                {
                    if (Peek() == '=')
                    {
                        tokens.Add(new Token(TokenType.OR_EQ).SetPosition(currentPosition.Clone()));
                        Advance(2);
                    }
                    else if (Peek() == '|')
                    {
                        tokens.Add(new Token(TokenType.BOOLEAN_OR).SetPosition(currentPosition.Clone()));
                        Advance(2);
                    }
                    else
                    {
                        tokens.Add(new Token(TokenType.BITWISE_OR).SetPosition(currentPosition.Clone()));
                        Advance();
                    }
                }
                else if (currentChar == '^')
                {
                    if (Peek() == '=')
                    {
                        tokens.Add(new Token(TokenType.XOR_EQ).SetPosition(currentPosition.Clone()));
                        Advance(2);
                    }
                    else
                    {
                        tokens.Add(new Token(TokenType.BITWISE_XOR).SetPosition(currentPosition.Clone()));
                        Advance();
                    }
                }
                else if (currentChar == '!')
                {
                    if (Peek() == '=')
                    {
                        tokens.Add(new Token(TokenType.NOT_EQUALS).SetPosition(currentPosition.Clone()));
                        Advance(2);
                    }
                    else
                    {
                        tokens.Add(new Token(TokenType.BOOLEAN_NOT).SetPosition(currentPosition.Clone()));
                        Advance();
                    }
                }
                else if (currentChar == '~')
                {
                    if (Peek() == '=')
                    {
                        tokens.Add(new Token(TokenType.COM_EQ).SetPosition(currentPosition.Clone()));
                        Advance(2);
                    }
                    else
                    {
                        tokens.Add(new Token(TokenType.COMPLEMENT).SetPosition(currentPosition.Clone()));
                        Advance();
                    }
                }
                else if (currentChar == '<')
                {
                    if (Peek() == '=')
                    {
                        tokens.Add(new Token(TokenType.LESS_TOE).SetPosition(currentPosition.Clone()));
                        Advance(2);
                    }
                    else if (Peek() == '<')
                    {
                        if (Peek(2) == '=')
                        {
                            tokens.Add(new Token(TokenType.LS_EQ).SetPosition(currentPosition.Clone()));
                            Advance(3);
                        }
                        else
                        {
                            tokens.Add(new Token(TokenType.LEFT_SHIFT).SetPosition(currentPosition.Clone()));
                            Advance(2);
                        }
                    }
                    else
                    {
                        tokens.Add(new Token(TokenType.LESS_THAN).SetPosition(currentPosition.Clone()));
                        Advance();
                    }
                }
                else if (currentChar == '>')
                {
                    if (Peek() == '=')
                    {
                        tokens.Add(new Token(TokenType.GREATER_TOE).SetPosition(currentPosition.Clone()));
                        Advance(2);
                    }
                    else if (Peek() == '>')
                    {
                        if (Peek(2) == '=')
                        {
                            tokens.Add(new Token(TokenType.RS_EQ).SetPosition(currentPosition.Clone()));
                            Advance(3);
                        }
                        else
                        {
                            tokens.Add(new Token(TokenType.RIGHT_SHIFT).SetPosition(currentPosition.Clone()));
                            Advance(2);
                        }
                    }
                    else
                    {
                        tokens.Add(new Token(TokenType.GREATER_THAN).SetPosition(currentPosition.Clone()));
                        Advance();
                    }
                }
                else if (currentChar == '=')
                {
                    if (Peek() == '=')
                    {
                        tokens.Add(new Token(TokenType.EQUALS_EQUALS).SetPosition(currentPosition.Clone()));
                        Advance(2);
                    }
                    else
                    {
                        tokens.Add(new Token(TokenType.EQUALS).SetPosition(currentPosition.Clone()));
                        Advance();
                    }
                }
                else if (currentChar == '(')
                {
                    tokens.Add(new Token(TokenType.LEFT_PAREN).SetPosition(currentPosition.Clone()));
                    Advance();
                }
                else if (currentChar == ')')
                {
                    tokens.Add(new Token(TokenType.RIGHT_PAREN).SetPosition(currentPosition.Clone()));
                    Advance();
                }
                else if (currentChar == '[')
                {
                    tokens.Add(new Token(TokenType.LEFT_SQB).SetPosition(currentPosition.Clone()));
                    Advance();
                }
                else if (currentChar == ']')
                {
                    tokens.Add(new Token(TokenType.RIGHT_SQB).SetPosition(currentPosition.Clone()));
                    Advance();
                }
                else if (currentChar == '{')
                {
                    tokens.Add(new Token(TokenType.LEFT_BRA).SetPosition(currentPosition.Clone()));
                    Advance();
                }
                else if (currentChar == '}')
                {
                    tokens.Add(new Token(TokenType.RIGHT_BRA).SetPosition(currentPosition.Clone()));
                    Advance();
                }
                else if (currentChar == ',')
                {
                    tokens.Add(new Token(TokenType.COMMA).SetPosition(currentPosition.Clone()));
                    Advance();
                }
                else
                {
                    return(new TokenizerResult(new InvalidCharError(currentPosition, currentChar.ToString())));
                }
            }
            tokens.Add(new Token(TokenType.EOF).SetPosition(currentPosition.Clone()));
            return(new TokenizerResult(tokens));
        }