#region --- License --- /* MIT License Copyright ©2006-2007 Tao Framework Team http://www.taoframework.com Copyright ©2005-2007 OpenTK http://sourceforge.net/projects/opentk All rights reserved. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #endregion License #region --- Using Directives --- using System; using System.Collections.Generic; using System.Text; using System.IO; using System.CodeDom; #endregion namespace OpenTK.OpenGL.Bind { static class SpecReader { #region internal static string FilePath internal static string FilePath { get { string filePath = Path.Combine("..", ".."); string fileDirectory = Settings.InputPath; string fileName = "gl.spec"; if (File.Exists(fileName)) { filePath = ""; fileDirectory = ""; } else if (File.Exists(Path.Combine(fileDirectory, fileName))) { filePath = ""; } return Path.Combine(filePath, fileDirectory); } } #endregion #region private static StreamReader OpenSpecFile(string file) private static StreamReader OpenSpecFile(string file) { string path = Path.Combine(FilePath, file); StreamReader sr; try { sr = new StreamReader(path); } catch (Exception e) { Console.WriteLine("Error opening spec file: {0}", path); Console.WriteLine("Error: {0}", e.Message); throw e; } return sr; } #endregion #region private static bool IsExtension(string function_name) private static bool IsExtension(string function_name) { return (function_name.EndsWith("ARB") || function_name.EndsWith("EXT") || function_name.EndsWith("ATI") || function_name.EndsWith("NV") || function_name.EndsWith("SUN") || function_name.EndsWith("SUNX") || function_name.EndsWith("SGI") || function_name.EndsWith("SGIS") || function_name.EndsWith("SGIX") || function_name.EndsWith("MESA") || function_name.EndsWith("3DFX") || function_name.EndsWith("IBM") || function_name.EndsWith("GREMEDY") || function_name.EndsWith("HP") || function_name.EndsWith("INTEL") || function_name.EndsWith("PGI") || function_name.EndsWith("INGR") || function_name.EndsWith("APPLE") || function_name.EndsWith("OML") || function_name.EndsWith("I3D")); } #endregion #region private static string NextValidLine(StreamReader sr) private static string NextValidLine(StreamReader sr) { string line; do { if (sr.EndOfStream) return null; line = sr.ReadLine().Trim(); if (String.IsNullOrEmpty(line) || line.StartsWith("#") || // Disregard comments. line.StartsWith("passthru") || // Disregard passthru statements. line.StartsWith("required-props:") || line.StartsWith("param:") || line.StartsWith("dlflags:") || line.StartsWith("glxflags:") || line.StartsWith("vectorequiv:") || //line.StartsWith("category:") || line.StartsWith("version:") || line.StartsWith("glxsingle:") || line.StartsWith("glxropcode:") || line.StartsWith("glxvendorpriv:") || line.StartsWith("glsflags:") || line.StartsWith("glsopcode:") || line.StartsWith("glsalias:") || line.StartsWith("wglflags:") || line.StartsWith("extension:") || line.StartsWith("alias:") || line.StartsWith("offset:")) continue; return line; } while (true); } #endregion #region public static void ReadFunctionSpecs(string file, out List delegates, out List functions) public static List ReadFunctionSpecs(string file) { StreamReader sr = OpenSpecFile(file); Console.WriteLine("Reading function specs from file: {0}", file); List delegates = new List(); do { string line = NextValidLine(sr); if (String.IsNullOrEmpty(line)) break; // Get next OpenGL function while (line.Contains("(") && !sr.EndOfStream) { CodeTypeDelegate d = new CodeTypeDelegate(); d.Attributes = MemberAttributes.Static; d.CustomAttributes.Add(new CodeAttributeDeclaration("System.Security.SuppressUnmanagedCodeSecurity")); // Get function name: d.Name = line.Split(SpecTranslator.Separators, StringSplitOptions.RemoveEmptyEntries)[0]; if (IsExtension(d.Name)) { d.UserData.Add("Extension", true); } else { d.UserData.Add("Extension", false); } //d.StartDirectives.Add(new CodeRegionDirective(CodeRegionMode.Start, d.Name)); //d.EndDirectives.Add(new CodeRegionDirective(CodeRegionMode.End, d.Name)); // Get function parameters and return value: do { line = sr.ReadLine(); List words = new List( line.Replace('\t', ' ').Split(SpecTranslator.Separators, StringSplitOptions.RemoveEmptyEntries)); if (words.Count == 0) break; // Identify line: switch (words[0]) { case "return": // Line denotes return value CodeTypeReference tr = new CodeTypeReference( words[1] ); //if (tr.BaseType == "GLvoid") // tr.BaseType = "System.Void"; d.ReturnType = tr; break; case "param": // Line denotes parameter CodeParameterDeclarationExpression p = new CodeParameterDeclarationExpression(); p.Name = words[1]; p.Type = new CodeTypeReference(words[2]); p.Direction = words[3] == "in" ? FieldDirection.In : FieldDirection.Out; if (words[3] != "in") p.CustomAttributes.Add(new CodeAttributeDeclaration("In, Out")); p.Type.ArrayRank = words[4] == "array" ? 1 : 0; d.Parameters.Add(p); break; /* version directive is not used. GetTexParameterIivEXT and GetTexParameterIuivEXT define two(!) versions (why?) case "version": // Line denotes function version (i.e. 1.0, 1.2, 1.5) d.UserData.Add("version", words[1]); break; */ case "category": d.UserData.Add("Category", words[1]); break; } } while (!sr.EndOfStream); delegates.Add(d); } } while (!sr.EndOfStream); return delegates; } #endregion #region public static void ReadEnumSpecs(string file, out List enums) public static void ReadEnumSpecs(string file, out CodeTypeDeclarationCollection enums) { enums = new CodeTypeDeclarationCollection(); // comple_enum contains all opengl enumerants. CodeTypeDeclaration complete_enum = new CodeTypeDeclaration(); complete_enum.IsEnum = true; complete_enum.Name = "GLenum"; StreamReader sr = OpenSpecFile(file); Console.WriteLine("Reading constant specs from file: {0}", file); do { string line = NextValidLine(sr); if (String.IsNullOrEmpty(line)) break; line = line.Replace('\t', ' '); // We just encountered the start of a new enumerant: while (!String.IsNullOrEmpty(line) && line.Contains("enum")) { string[] words = line.Split(SpecTranslator.Separators, StringSplitOptions.RemoveEmptyEntries); if (words.Length == 0) continue; // Declare a new enumerant CodeTypeDeclaration e = new CodeTypeDeclaration(); e.IsEnum = true; e.Name = SpecTranslator.GetTranslatedEnum(words[0]); //d.Attributes = MemberAttributes.Const | MemberAttributes.Public; // And fill in the values for this enumerant do { line = NextValidLine(sr); if (String.IsNullOrEmpty(line) || line.StartsWith("#")) continue; if (line.Contains("enum:") || sr.EndOfStream) break; line = line.Replace('\t', ' '); words = line.Split(SpecTranslator.Separators, StringSplitOptions.RemoveEmptyEntries); if (words.Length == 0) continue; // If we reach this point, we have found a new value for the current enumerant CodeMemberField c = new CodeMemberField(); if (line.Contains("=")) { c.Name = SpecTranslator.GetTranslatedEnum(words[0]); uint number; if (UInt32.TryParse(words[2].Replace("0x", String.Empty), System.Globalization.NumberStyles.AllowHexSpecifier, null, out number)) { if (number > 0x7FFFFFFF) { words[2] = "unchecked((Int32)" + words[2] + ")"; } } else if (words[2].StartsWith("GL_")) { words[2] = words[2].Substring(3); } //c.InitExpression = new CodeFieldReferenceExpression(null, words[2]); //c.UserData.Add("InitExpression", " = " + words[2]); c.UserData.Add("ObjectReference", null); c.UserData.Add("FieldReference", words[2]); } else if (words[0] == "use") { c.Name = SpecTranslator.GetTranslatedEnum(words[2]); //c.InitExpression = new CodeFieldReferenceExpression(new CodeSnippetExpression(words[1]), SpecTranslator.GetTranslatedEnum(words[2])); //c.UserData.Add("InitExpression", " = " + words[1] + "." + SpecTranslator.GetTranslatedEnum(words[2])); c.UserData.Add("ObjectReference", words[1]); c.UserData.Add("FieldReference", words[2]); } //if (!String.IsNullOrEmpty(c.Name) && !e.Members.Contains.Contains(c)) SpecTranslator.Merge(e.Members, c); // Insert the current constant in the list of all constants. SpecTranslator.Merge(complete_enum.Members, c); } while (!sr.EndOfStream); // At this point, the complete value list for the current enumerant has been read, so add this // enumerant to the list. e.StartDirectives.Add(new CodeRegionDirective(CodeRegionMode.Start, "public enum " + e.Name)); e.EndDirectives.Add(new CodeRegionDirective(CodeRegionMode.End, "public enum " + e.Name)); // (disabled) Hack - discard Boolean enum, it fsucks up the fragile translation code ahead. //if (!e.Name.Contains("Bool")) SpecTranslator.Merge(enums, e); } SpecTranslator.Merge(enums, complete_enum); } while (!sr.EndOfStream); } #endregion #region public static bool ListContainsConstant(List enums, CodeMemberField c) public static bool ListContainsConstant(List constants, CodeMemberField c) { foreach (CodeMemberField d in constants) if (d.Name == c.Name) return true; return false; } #endregion #region public static Dictionary ReadTypeMap(string file) public static Dictionary ReadTypeMap(string file) { Dictionary map = new Dictionary(); string path = Path.Combine(FilePath, file); StreamReader sr; try { sr = new StreamReader(path); } catch (Exception) { Console.WriteLine("Error opening typemap file: {0}", path); return null; } Console.WriteLine("Reading typemaps from file: {0}", file); do { string line = sr.ReadLine(); if (String.IsNullOrEmpty(line) || line.StartsWith("#")) continue; string[] words = line.Split(new char[] { ' ', ',', '*', '\t' }, StringSplitOptions.RemoveEmptyEntries); if (words[0] == "void") { // Special case for "void" -> "" map.Add(words[0], new CodeTypeReference(String.Empty)); } else if (words[0] == "VoidPointer") { // Special case for "VoidPointer" -> "GLvoid*" map.Add(words[0], new CodeTypeReference("System.Object")); } else if (words[0] == "CharPointer" || words[0] == "charPointerARB") { map.Add(words[0], new CodeTypeReference("System.String")); } else if (words[0].Contains("Pointer")) { map.Add(words[0], new CodeTypeReference(words[1], 1)); } //else if (words[1].Contains("Boolean")) //{ // // Do not add this to the typemap! //} /*else if (words[1] == "GLenum") { // Do not throw away the type to generic GLenum. We want type checking! }*/ else { map.Add(words[0], new CodeTypeReference(words[1])); } } while (!sr.EndOfStream); return map; } #endregion } }