Example #1
0
        private string ApplyDefines(string parameter, DefineCollection defcol, bool firstParam)
        {
            parameter = parameter.Trim();
            if (parameter.StartsWith("@"))
            {
                messageHandler.AddWarning("Do not use @ in front of defined parameter or lable: " + parameter);
                parameter = parameter.TrimStart('@');
                if (firstParam)
                {
                    parameter += ":";
                }
            }
            if (parameter.ContainsAnyOf(extraLineSplitters))
            {
                string[] splitLine = parameter.Split(extraLineSplitters,
                                                     StringSplitOptions.RemoveEmptyEntries);

                StringBuilder newline = new StringBuilder();
                for (int i = 0; i < splitLine.Length; i++)
                {
                    splitLine[i] = ApplyDefines("\"" + splitLine[i] + "\"", defcol, firstParam && i == 0);
                    newline.Append(splitLine[i] + ";");
                }
                return(newline.ToString(0, newline.Length - 1));
            }

            int  index           = parameter.IndexOf('(');
            int  arithIndex      = parameter.IndexOfAny(wordArithmetchic);
            bool startsWith      = parameter.StartsWith("[");
            bool endsWith        = parameter.EndsWith("]");
            bool startsWithQuote = parameter.StartsWith("\"");
            bool endsWithQuote   = parameter.EndsWith("\"");

            if (startsWith && endsWith)//Coordinate handling
            {
                string[]      parameters = parameter.Trim('[', ']').Split(',');
                StringBuilder newLine    = new StringBuilder();
                if (parameters.Length > 1)
                {
                    newLine.Append("[");
                    for (int i = 0; true; i++)
                    {
                        newLine.Append(ApplyDefines(parameters[i], defcol, false));
                        if (i == parameters.Length - 1)
                        {
                            break;
                        }
                        newLine.Append(",");
                    }
                    newLine.Append("]");
                }
                else
                {
                    newLine.Append(ApplyDefines(parameters[0], defcol, false));
                }
                return(newLine.ToString());
            }
            else if (startsWith != endsWith)//Vector calculus: 1*[8,9] one day?
            {
                messageHandler.AddError("Error with parameter: " + parameter + ". Coordinate problem.");
                return("0");
            }
            else if (startsWithQuote && endsWithQuote)
            {
                string[]      parameters = parameter.Trim('\"').Split(' ');
                StringBuilder newLine    = new StringBuilder();
                if (parameters.Length > 1)
                {
                    for (int i = 0; true; i++)
                    {
                        newLine.Append(ApplyDefines(parameters[i], defcol, false));
                        if (i == parameters.Length - 1)
                        {
                            break;
                        }
                        newLine.Append(" ");
                    }
                }
                else
                {
                    newLine.Append(ApplyDefines(parameters[0], defcol, false));
                }
                return(newLine.ToString());
            }
            else if (startsWithQuote != endsWithQuote)
            {
                messageHandler.AddError("Error with parameter: " + parameter + ". Quote problem.");
                return("0");
            }
            else if (index > 0 && (index <= arithIndex || arithIndex < 0))//handle macros
            {
                string   macroName            = parameter.Substring(0, index);
                string   macroParameters      = parameter.Substring(index + 1, parameter.Length - index - 2);
                string[] macroParametersSplit = macroParameters.Split(
                    macroParameterSplitCharacters, parameterUniterCharacters);

                List <string> appliedParameters = new List <string>();

                for (int i = 0; i < macroParametersSplit.Length; i++)
                {
                    macroParametersSplit[i] = ApplyDefines(macroParametersSplit[i], defcol, false);
                    appliedParameters.AddRange(macroParametersSplit[i].Trim().Split(','));
                }

                string[] macroParametersArray            = appliedParameters.ToArray();
                KeyValuePair <string, string[]> replacer = defcol.GetReplacerAndParameters(
                    macroName, macroParametersArray);
                if (replacer.Key == null || replacer.Value == null)
                {
                    messageHandler.AddError("Match for macro not found: " + parameter);
                    return(parameter);
                }
                parameter = replacer.Key.ReplaceEach(replacer.Value, macroParametersArray);
                parameter = parameter.Trim('\"');
                return(ApplyDefines(parameter, defcol, false));
            }
            else if (arithIndex >= 0)//Arithmetic
            {
                #region Mess and lots of it
                int inBeg = parameter.AmountInTheBeginning('(');
                int inEnd = parameter.AmountInTheEnd(')');
                int min   = Math.Min(inBeg, inEnd);
                if (min > 0)
                {
                    parameter = parameter.Substring(min, parameter.Length - 2 * min);
                }

                int parenthIndex  = parameter.IndexOf('(');
                int multIndex     = parameter.IndexOfAny(new char[] { '*', '/', '%' });
                int additionIndex = parameter.IndexOfAny(new char[] { '+', '-' });
                int binaryIndex   = parameter.IndexOfAny(new char[] { '&', '|', '^' });
                if (parenthIndex >= 0)
                {
                    int endIndex = parameter.IndexOf(')', parenthIndex);
                    if (endIndex < 0)
                    {
                        //throw error
                    }

                    string first = parameter.Substring(parenthIndex + 1, endIndex - parenthIndex - 1);

                    int parenthValue = StringExtensions.GetValue(ApplyDefines(first, defcol, firstParam));
                    return(ApplyDefines(parameter.Replace("(" + first + ")", parenthValue.ToString()), defcol, false));
                }
                else
                {
                    //int index;
                    if (binaryIndex >= 0)
                    {
                        index = binaryIndex;
                    }
                    else if (additionIndex >= 0)
                    {
                        index = additionIndex;
                    }
                    else if (multIndex >= 0)
                    {
                        index = multIndex;
                    }
                    else
                    {
                        index = 0;
                    }

                    string first  = parameter.Substring(0, index);
                    string second = parameter.Substring(index + 1);
                    int    value1 = 0;
                    int    value2 = 0;
                    if (first.IsValidNumber())
                    {
                        value1 = StringExtensions.GetValue(ApplyDefines(first, defcol, firstParam));
                    }
                    if (second.IsValidNumber())
                    {
                        value2 = StringExtensions.GetValue(ApplyDefines(second, defcol, false));
                    }
                    int value;
                    switch (parameter[index])
                    {
                    case '*':
                        value = value1 * value2;
                        break;

                    case '/':
                        value = value1 / value2;
                        break;

                    case '%':
                        value = value1 % value2;
                        break;

                    case '+':
                        value = value1 + value2;
                        break;

                    case '-':
                        value = value1 - value2;
                        break;

                    case '&':
                        value = value1 & value2;
                        break;

                    case '|':
                        value = value1 | value2;
                        break;

                    case '^':
                        value = value1 ^ value2;
                        break;

                    default:
                        throw new InvalidOperationException();
                    }
                    return(value.ToString());
                }
                #endregion
            }
            else if (defcol.ContainsName(parameter))//The most common case
            {
                parameter = ApplyDefines(defcol.GetReplacer(parameter), defcol, firstParam);
                parameter = parameter.Trim('\"');
                return(parameter);
            }


            return(parameter);
        }
Example #2
0
        private void Preprocess(TextReader reader, string file, DefineCollection defCol,
                                ICollection <string> lines, Stack <bool> ifStack)
        {
            int    stackDepth = ifStack.Count;
            string line;
            bool   include = ifStack.And();

            while ((line = reader.ReadLine()) != null)
            {
                line = line.Trim();
                if (line.Length > 0)
                {
                    if (line[0] == '#')
                    {
                        string[] splitLine = StringExtensions.Split(line,
                                                                    parameterSplitCharacters, parameterUniterCharacters);
                        //string[] splitLine = StringHelper.DivideLine(line);

                        switch (splitLine[0].ToLower())
                        {
                        case define:
                            if (include)
                            {
                                if (splitLine.Length > 1)
                                {
                                    if (splitLine[1].Equals(defineFile))
                                    {
                                        string path = IOHelpers.FindFile(file, splitLine[2]);
                                        if (!string.IsNullOrEmpty(path))
                                        {
                                            IOHelpers.DefineFile(path, defCol);
                                        }
                                        else
                                        {
                                            messageHandler.AddFileNotFoundError(file, line, splitLine[2]);
                                        }
                                    }
                                    else
                                    {
                                        int indexBeg = splitLine[1].IndexOf('(');
                                        int indexEnd = splitLine[1].IndexOf(')');
                                        if (indexBeg >= 0 && indexEnd >= 0 && indexBeg < indexEnd)
                                        {
                                            string   parametersList = splitLine[1].Substring(indexBeg + 1, indexEnd - indexBeg - 1);
                                            string[] parameters     = parametersList.Split(',');
                                            string   original       = splitLine[1].Substring(0, indexBeg);
                                            for (int i = 0; i < parameters.Length; i++)
                                            {
                                                parameters[i] = parameters[i].Trim();
                                            }
                                            defCol.Add(original, splitLine[2], parameters);
                                        }
                                        else if (indexBeg == -1 && indexEnd == -1)
                                        {
                                            if (splitLine.Length > 2)
                                            {
                                                defCol.Add(splitLine[1], splitLine[2]);
                                            }
                                            else
                                            {
                                                defCol.Add(splitLine[1], "");
                                            }
                                        }
                                        else
                                        {
                                            messageHandler.AddError(define + " is improperly defined: " + line);
                                        }
                                    }
                                }
                                else
                                {
                                    messageHandler.AddNotEnoughParametersError(file, line, define, 1);
                                }
                            }
                            break;

                        case unDefine:
                            if (include)
                            {
                                if (splitLine.Length > 1)
                                {
                                    defCol.Remove(splitLine[1]);
                                }
                                else
                                {
                                    messageHandler.AddNotEnoughParametersError(file, line, unDefine, 1);
                                }
                            }
                            break;

                        case includeFile:
                            if (include)
                            {
                                if (splitLine.Length > 1)
                                {
                                    string path = IOHelpers.FindFile(file, splitLine[1]);
                                    if (!string.IsNullOrEmpty(path))
                                    {
                                        string moreText = File.ReadAllText(path);
                                        moreText = this.RemoveComments(moreText);
                                        lines.Add("{");
                                        using (StringReader newReader = new StringReader(moreText))
                                        {
                                            Preprocess(newReader, path, defCol, lines, ifStack);
                                            //Preprocess(moreText, path, defCol, lines, ifStack);
                                        }
                                        lines.Add("}");
                                    }
                                    else
                                    {
                                        messageHandler.AddFileNotFoundError(file, line, splitLine[1]);
                                    }
                                }
                                else
                                {
                                    messageHandler.AddNotEnoughParametersError(file, line, includeFile, 1);
                                }
                            }
                            break;

                        case includeBinary:
                            if (include)
                            {
                                if (splitLine.Length > 1)
                                {
                                    string path = IOHelpers.FindFile(file, splitLine[1]);
                                    if (!string.IsNullOrEmpty(path))
                                    {
                                        byte[]        data    = File.ReadAllBytes(path);
                                        StringBuilder newLine = new StringBuilder("CODE");
                                        for (int i = 0; i < data.Length; i++)
                                        {
                                            newLine.Append(data[i].ToHexString(" 0x"));
                                        }
                                        lines.Add(newLine.ToString());
                                    }
                                    else
                                    {
                                        messageHandler.AddFileNotFoundError(file, line, splitLine[1]);
                                    }
                                }
                                else
                                {
                                    messageHandler.AddNotEnoughParametersError(file, line, includeBinary, 1);
                                }
                            }
                            break;

                        case ifDefined:
                            if (splitLine.Length > 1)
                            {
                                ifStack.Push(defCol.ContainsName(splitLine[1]));
                                include = ifStack.And();
                            }
                            else
                            {
                                messageHandler.AddNotEnoughParametersError(file, line, ifDefined, 1);
                            }
                            break;

                        case ifNotDefined:
                            if (splitLine.Length > 1)
                            {
                                ifStack.Push(!defCol.ContainsName(splitLine[1]));
                                include = ifStack.And();
                            }
                            else
                            {
                                messageHandler.AddNotEnoughParametersError(file, line, ifNotDefined, 1);
                            }
                            break;

                        case ifElse:
                            bool top = ifStack.Pop();
                            ifStack.Push(!top);
                            include = ifStack.And();
                            break;

                        case ifEnd:
                            ifStack.Pop();
                            include = ifStack.And();
                            break;

                        case "#org":
                            lines.Add(line.Substring(1));
                            messageHandler.AddWarning("#ORG no longer exists. Use ORG instead.");
                            break;

                        default:
                            messageHandler.AddError(splitLine[0] + " is not usable preprocessor command: " + line);
                            break;
                        }
                    }
                    else if (include)
                    {
                        string[] newLines = line.Split(extraLineSplitters);
                        for (int i = 0; i < newLines.Length; i++)
                        {
                            lines.Add(newLines[i]);
                        }
                    }
                }
            }

            if (ifStack.Count != stackDepth)
            {
                messageHandler.AddWarning("#IFDEF stack unbalanced in file " + file + ".");
            }
        }