コード例 #1
0
ファイル: Header.cs プロジェクト: vipyami/OpenGL.Net
        /// <summary>
        /// Append definitions recognized in a header file.
        /// </summary>
        /// <param name="path">
        /// A <see cref="System.String"/> that specified the path of the header file.
        /// </param>
        public void AppendHeader(string path)
        {
            if (path == null)
            {
                throw new ArgumentNullException("path");
            }

            string headerText;

            // Read the whole header
            using (FileStream fs = new FileStream(path, FileMode.Open, FileAccess.Read)) {
                using (StreamReader sr = new StreamReader(fs)) {
                    headerText = sr.ReadToEnd();
                }
            }

            // Remove comments
            string inlineComment = @"//(.*?)\r?\n";
            string blockComment  = @"/\*(.*?)\*/";

            headerText = Regex.Replace(headerText, String.Format("{0}|{1}", inlineComment, blockComment), delegate(Match match) {
                if (match.Value.StartsWith("/*"))
                {
                    return(String.Empty);
                }
                if (match.Value.StartsWith("//"))
                {
                    return(Environment.NewLine);
                }
                return(match.Value);
            }, RegexOptions.Singleline);

            // Extract C preprocessor #define directives
            string defineDirective = @"#define (?<Symbol>[\w\d_]+) +(?<Value>.*)\r?\n";

            EnumerantBlock definesBlock = new EnumerantBlock();

            definesBlock.Group = "Defines";

            headerText = Regex.Replace(headerText, defineDirective, delegate(Match match) {
                // Collect symbol/value
                if (match.Value.StartsWith("#define "))
                {
                    Enumerant enumerant = new Enumerant();

                    enumerant.Name  = match.Groups["Symbol"].Value;
                    enumerant.Value = match.Groups["Value"].Value;
                    enumerant.ParentEnumerantBlock = definesBlock;

                    definesBlock.Enums.Add(enumerant);

                    // Collect enumerant
                    _Enumerants.Add(enumerant);

                    return(String.Empty);
                }

                return(match.Value);
            }, RegexOptions.Multiline);

            // Remove no more necessary C preprocessor
            string preprocessorDirective = @"#(if|ifndef|else|endif|define|include) ?.*\r?\n";

            headerText = Regex.Replace(headerText, preprocessorDirective, String.Empty);

            // Remove new lines
            headerText = Regex.Replace(headerText, @"\r?\n", String.Empty);
            // Remove structures typedefs
            string structTypedef = @"typedef struct ?\{(.*?)\}( +?)(.*?);";

            headerText = Regex.Replace(headerText, structTypedef, String.Empty);
            // Remove multiple spaces
            headerText = Regex.Replace(headerText, @" +", " ");

            // Extract extern "C" scope
            string externBlock = "extern \"C\" {";

            if (headerText.StartsWith(externBlock))
            {
                headerText = headerText.Substring(externBlock.Length, headerText.Length - externBlock.Length - 1);
            }

            // Split into statements
            string[] statements = Regex.Split(headerText, ";");

            foreach (string statement in statements)
            {
                Match match;

                // Parse enumeration block
                if ((match = Regex.Match(statement, @"typedef enum ?\{(?<Enums>.*)\}( +?)(?<Tag>[\w\d_]+)")).Success)
                {
                    string name = match.Groups["Tag"].Value;

                    if (Regex.IsMatch(name, "WF(C|D)boolean"))
                    {
                        continue;
                    }

                    #region Enumeration

                    EnumerantBlock enumerantBlock = new EnumerantBlock();
                    enumerantBlock.Group = "WFD_VERSION_1_0";

                    EnumerantGroup enumerantGroup = new EnumerantGroup();
                    enumerantGroup.Name = name;

                    // Parse enumerations
                    string[] enumValues = Regex.Split(match.Groups["Enums"].Value, ",");

                    for (int i = 0; i < enumValues.Length; i++)
                    {
                        string enumValue = enumValues[i].Trim();

                        if ((match = Regex.Match(enumValue, @"(?<Name>(\w|_)+) = (?<Value>.*)")).Success)
                        {
                            Enumerant enumerant = new Enumerant();

                            enumerant.Name  = match.Groups["Name"].Value;
                            enumerant.Value = match.Groups["Value"].Value;
                            enumerant.ParentEnumerantBlock = enumerantBlock;

                            enumerantBlock.Enums.Add(enumerant);

                            enumerantGroup.Enums.Add(enumerant);

                            // Collect enumerant
                            _Enumerants.Add(enumerant);
                        }
                    }

                    _Groups.Add(enumerantGroup);

                    #endregion

                    continue;
                }
                else if ((match = Regex.Match(statement, @"WF(D|C)_API_CALL (?<Return>.*) WF(D|C)_APIENTRY (?<Name>.*)\((?<Args>.*)\) WF(D|C)_APIEXIT")).Success)
                {
                    #region Command

                    Command command = new Command();

                    command.Prototype      = new CommandPrototype();
                    command.Prototype.Type = match.Groups["Return"].Value;
                    command.Prototype.Name = match.Groups["Name"].Value;

                    string[] args = Regex.Split(match.Groups["Args"].Value, ",");

                    for (int i = 0; i < args.Length; i++)
                    {
                        string arg = args[i].Trim();

                        // '*' denotes types, not names
                        arg = arg.Replace(" **", "** ");
                        arg = arg.Replace(" *", "* ");

                        if ((match = Regex.Match(arg, @"(?<Type>(\w|_|\*)+) (?<Name>[\w\d_]+)$")).Success)
                        {
                            CommandParameter commandParameter = new CommandParameter();

                            commandParameter.Name = match.Groups["Name"].Value;
                            commandParameter.Type = match.Groups["Type"].Value;

                            command.Parameters.Add(commandParameter);
                        }
                        else
                        {
                            throw new InvalidOperationException(String.Format("unable to parse argument '{0}'", arg));
                        }
                    }

                    _Commands.Add(command);

                    #endregion
                }
            }

            Feature        wfdVersion1        = new Feature();
            FeatureCommand wfdVersion1Feature = new FeatureCommand();

            wfdVersion1.Name   = String.Format("{0}_VERSION_1_0", Class.ToUpperInvariant());
            wfdVersion1.Api    = Class.ToLowerInvariant();
            wfdVersion1.Number = "1.0";
            wfdVersion1.Requirements.Add(wfdVersion1Feature);

            wfdVersion1Feature.Enums.AddRange(_Enumerants.ConvertAll(delegate(Enumerant input) {
                return(new FeatureCommand.Item(input.Name));
            }));

            wfdVersion1Feature.Commands.AddRange(_Commands.ConvertAll(delegate(Command input) {
                return(new FeatureCommand.Item(input.Prototype.Name));
            }));

            _Features.Add(wfdVersion1);
        }
コード例 #2
0
ファイル: Header.cs プロジェクト: koson/OpenGL.Net
        /// <summary>
        /// Append definitions recognized in a header file.
        /// </summary>
        /// <param name="path">
        /// A <see cref="System.String"/> that specified the path of the header file.
        /// </param>
        public void AppendHeader(string path, string headerFeatureName)
        {
            if (path == null)
            {
                throw new ArgumentNullException(nameof(path));
            }

            string headerText;

            // Read the whole header
            using (FileStream fs = new FileStream(path, FileMode.Open, FileAccess.Read)) {
                using (StreamReader sr = new StreamReader(fs)) {
                    headerText = sr.ReadToEnd();
                }
            }

            // Remove comments
            string inlineComment = @"//(.*?)\r?\n";
            string blockComment  = @"/\*(.*?)\*/";

            headerText = Regex.Replace(headerText, String.Format("{0}|{1}", inlineComment, blockComment), delegate(Match match) {
                if (match.Value.StartsWith("/*"))
                {
                    return(String.Empty);
                }
                if (match.Value.StartsWith("//"))
                {
                    return(Environment.NewLine);
                }
                return(match.Value);
            }, RegexOptions.Singleline);

            // Extract C preprocessor #define directives
            string defineDirective = @"#define (?<Symbol>[\w\d_]+) +(?<Value>.*)\r?\n";

            EnumerantBlock definesBlock = new EnumerantBlock();

            definesBlock.Group = "Defines";

            headerText = Regex.Replace(headerText, defineDirective, delegate(Match match) {
                // Collect symbol/value
                if (match.Value.StartsWith("#define "))
                {
                    Enumerant enumerant = new Enumerant();

                    // Replace enumeration macros
                    string enumDefinition = ReplaceEnumMacros(match.Groups["Value"].Value.Trim());
                    // Replace constants in enumeration value
                    enumDefinition = ReplaceEnumConstants(enumDefinition);

                    enumerant.Name  = match.Groups["Symbol"].Value.Trim();
                    enumerant.Value = enumDefinition;
                    enumerant.ParentEnumerantBlock = definesBlock;

                    bool useDefine = true;

                    if (enumerant.Value.StartsWith("__"))
                    {
                        useDefine = false;
                    }
                    if (enumerant.Value.StartsWith("{") && enumerant.Value.EndsWith("}"))
                    {
                        useDefine = false;
                    }

                    if (useDefine)
                    {
                        definesBlock.Enums.Add(enumerant);
                        // Collect enumerant
                        _Enumerants.Add(enumerant);
                    }

                    return(String.Empty);
                }

                return(match.Value);
            }, RegexOptions.Multiline);

            // Remove no more necessary C preprocessor
            string preprocessorDirective = @"#(if|ifndef|else|endif|define|include) ?.*\r?\n";

            headerText = Regex.Replace(headerText, preprocessorDirective, String.Empty);

            // Remove new lines
            headerText = Regex.Replace(headerText, @"\r?\n", String.Empty);
            // Remove structures typedefs
            string structTypedef = @"typedef struct ?\{(.*?)\}( +?)(.*?);";

            headerText = Regex.Replace(headerText, structTypedef, String.Empty);
            // Remove multiple spaces
            headerText = Regex.Replace(headerText, @" +", " ");

            // Extract extern "C" scope
            string externBlock = "extern \"C\" {";

            if (headerText.StartsWith(externBlock))
            {
                headerText = headerText.Substring(externBlock.Length, headerText.Length - externBlock.Length - 1);
            }

            // Split into statements
            string[] statements = Regex.Split(headerText, ";");

            foreach (string statement in statements)
            {
                Match match;

                // Parse enumeration block
                if ((match = Regex.Match(statement, @"(typedef )?enum(?<Name> [\w\d_]+)? ?\{(?<Enums>.*)\}(?<Tag> +?[\w\d_]+)?")).Success)
                {
                    string name;

                    if (match.Groups["Tag"].Success)
                    {
                        name = match.Groups["Tag"].Value.Trim();
                    }
                    else if (match.Groups["Name"].Success)
                    {
                        name = match.Groups["Name"].Value.Trim();
                    }
                    else
                    {
                        throw new InvalidOperationException("unable to determine name of enum");
                    }

                    if (Regex.IsMatch(name, "WF(C|D)boolean"))
                    {
                        continue;
                    }

                    #region Enumeration

                    // Skip enumeration if required
                    CommandFlagsDatabase.EnumerantItem enumItem = CommandFlagsDatabase.FindEnumerant(name);
                    if (enumItem != null && enumItem.Disable)
                    {
                        continue;
                    }

                    EnumerantBlock enumerantBlock = new EnumerantBlock();
                    enumerantBlock.Group = headerFeatureName;

                    EnumerantGroup enumerantGroup = new EnumerantGroup();
                    enumerantGroup.Name = name;

                    // Override name
                    if (enumItem != null && enumItem.Alias != null)
                    {
                        enumerantGroup.Name = enumItem.Alias;
                    }

                    // Replace enumeration macros
                    string enumDefinition = ReplaceEnumMacros(match.Groups["Enums"].Value);
                    // Replace constants in enumeration value
                    enumDefinition = ReplaceEnumConstants(enumDefinition);
                    // Parse enumerations
                    string[] enumValues = Regex.Split(enumDefinition, ",");

                    for (int i = 0; i < enumValues.Length; i++)
                    {
                        string enumValue = enumValues[i].Trim();

                        if ((match = Regex.Match(enumValue, @"(?<Name>(\w|_)+)\s*=\s*(?<Value>.*)")).Success)
                        {
                            Enumerant enumerant = new Enumerant();

                            enumerant.Name  = match.Groups["Name"].Value;
                            enumerant.Value = match.Groups["Value"].Value.Trim();
                            enumerant.ParentEnumerantBlock = enumerantBlock;

                            enumerantBlock.Enums.Add(enumerant);

                            enumerantGroup.Enums.Add(enumerant);

                            // Collect enumerant
                            _Enumerants.Add(enumerant);
                        }
                    }

                    _Groups.Add(enumerantGroup);

                    #endregion

                    continue;
                }
                else if ((match = Regex.Match(statement, CommandExportRegex + @"(?<Return>.*) " + CommandCallConventionRegex + @"(?<Name>.*)\((?<Args>.*)\)" + CommandExitRegex)).Success)
                {
                    #region Command

                    Command command = new Command();

                    command.Prototype      = new CommandPrototype();
                    command.Prototype.Type = match.Groups["Return"].Value;
                    command.Prototype.Name = match.Groups["Name"].Value;

                    string[] args = Regex.Split(match.Groups["Args"].Value, ",");

                    for (int i = 0; i < args.Length; i++)
                    {
                        string arg = args[i].Trim();

                        if (arg == String.Empty)
                        {
                            break;
                        }

                        // '*' denotes types, not names
                        arg = arg.Replace(" **", "** ");
                        arg = arg.Replace(" *", "* ");

                        if ((match = Regex.Match(arg, @"(const +)?(?<Type>(\w|_|\* (const)?|\*)+) +(?<Name>[\w\d_]+)(?<ArraySize>\[([\w\d_]+)?\])?$")).Success)
                        {
                            string arraySize = match.Groups["ArraySize"].Success ? match.Groups["ArraySize"].Value : null;

                            CommandParameter commandParameter = new CommandParameter();

                            commandParameter.Name = match.Groups["Name"].Value;
                            commandParameter.Type = arraySize != null ? match.Groups["Type"].Value + "*" : match.Groups["Type"].Value;

                            command.Parameters.Add(commandParameter);
                        }
                        else if (arg == "...")
                        {
                            CommandParameter commandParameter = new CommandParameter();

                            commandParameter.Name = "vaArgs";
                            commandParameter.Type = "IntPtr";

                            command.Parameters.Add(commandParameter);
                        }
                        else
                        {
                            throw new InvalidOperationException(String.Format("unable to parse argument '{0}'", arg));
                        }
                    }

                    _Commands.Add(command);

                    #endregion
                }
            }

            Feature headerFeature = _Features.Find(delegate(Feature item) { return(item.Name == headerFeatureName); });
            if (headerFeature == null)
            {
                headerFeature      = new Feature();
                headerFeature.Name = headerFeatureName;
                headerFeature.Api  = Class.ToLowerInvariant();
                _Features.Add(headerFeature);
            }

            FeatureCommand headerFeatureCommand = new FeatureCommand();

            headerFeature.Requirements.Add(headerFeatureCommand);

            headerFeatureCommand.Enums.AddRange(_Enumerants.ConvertAll(delegate(Enumerant input) {
                return(new FeatureCommand.Item(input.Name));
            }));

            headerFeatureCommand.Commands.AddRange(_Commands.ConvertAll(delegate(Command input) {
                return(new FeatureCommand.Item(input.Prototype.Name));
            }));
        }