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242 lines
12 KiB
C#
242 lines
12 KiB
C#
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/* Copyright (c) 2006 Stephen Apostolopoulos
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* See license.txt for license info
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*/
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using System;
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using System.Collections.Generic;
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using System.Text;
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using System.IO;
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namespace OpenTK.OpenGL.Bind
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{
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partial class Process
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{
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#region Write Wrappers
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void WriteWrappers(string output_path)
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{
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if (!Directory.Exists(output_path))
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Directory.CreateDirectory(output_path);
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output_path = Path.Combine(output_path, "GLWrappers.cs");
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StreamWriter sw = new StreamWriter(output_path, false);
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Console.WriteLine("Writing wrappers to {0}", output_path);
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sw.WriteLine("using System;");
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sw.WriteLine("using System.Runtime.InteropServices;");
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sw.WriteLine();
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sw.WriteLine("namespace {0}", Properties.Bind.Default.OutputNamespace);
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sw.WriteLine("{");
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sw.WriteLine(" public partial class {0}", Properties.Bind.Default.OutputGLClass);
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sw.WriteLine(" {");
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sw.WriteLine(" #region Wrappers");
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sw.WriteLine();
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foreach (Function fw in WrapperCollection)
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{
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sw.WriteLine(" // Wrapper for function {0}", fw.Name);
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if (fw.Parameters.ContainsType("object"))
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{
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Function f = WeakNameLookup(fw.Name, FunctionCollection);
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sw.WriteLine(" public {0} {1}{2}", fw.ReturnValue, fw.Name, fw.Parameters.ToString());
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sw.WriteLine(" {");
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int i = 0;
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StringBuilder sb = new StringBuilder();
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sb.Append("(");
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foreach (Parameter p in fw.Parameters)
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{
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if (p.Type == "object")
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{
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sw.WriteLine(" GCHandle h{0} = GCHandle.Alloc({1}, GCHandleType.Pinned);", i, p.Name);
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sb.Append("h" + i + ".AddrOfPinnedObject()" + ", ");
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i++;
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}
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else
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{
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sb.Append(p.Name + ", ");
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}
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}
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sb.Replace(", ", ")", sb.Length - 2, 2);
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sw.WriteLine(" try");
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sw.WriteLine(" {");
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if (fw.ReturnValue == "void")
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sw.WriteLine(" {0}{1};", f.Name, sb.ToString());
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else
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sw.WriteLine(" return {0}{1};", f.Name, sb.ToString());
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sw.WriteLine(" }");
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sw.WriteLine(" finally");
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sw.WriteLine(" {");
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while (i > 0)
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{
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sw.WriteLine(" h{0}.Free();", --i);
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}
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sw.WriteLine(" }");
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sw.WriteLine(" }");
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sw.WriteLine();
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}
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}
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#region Commented out
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/*
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foreach (Function f in FunctionCollection)
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{
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if (f.NeedsWrapper)
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{
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sw.WriteLine(" // Wrapper for function {0}", f.Name);
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if (f.ReturnValue == "IntPtr")
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{
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sw.WriteLine(" public {0} {1}{2}", f.ReturnValue, f.Name.TrimEnd('_'), f.Parameters.ToString());
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sw.WriteLine(" {");
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// sw.WriteLine(" return Marshal.PtrToStructure(_{0}{1}, new byte[]);", f.Name.TrimStart('g', 'l'), f.Parameters.GetNameString());
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sw.WriteLine(" throw new NotImplementedException(\"Wrapper not implemented yet.\");");
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sw.WriteLine(" }");
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sw.WriteLine();
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}
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}
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}
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*/
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/*
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foreach (Block b in BlockCollection)
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{
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foreach (Function f in b.Functions)
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{
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if (f.NeedsWrapper)
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{
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sw.WriteLine(" // Wrapper for function _{0}", f.Name);
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if (f.Name == "glGetString") // Wraps GLubyte* glGetString(GLenum name);
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{
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sw.WriteLine(" public {0} {1}{2}", "string", f.Name.TrimStart('g', 'l'), f.Parameters.ToString());
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sw.WriteLine(" {");
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sw.WriteLine(" return Marshal.PtrToStringAnsi(_{0}{1});", f.Name.TrimStart('g', 'l'), f.Parameters.GetNameString());
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sw.WriteLine(" }");
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sw.WriteLine();
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}
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else if (f.ReturnValue == "Array") // For the 3 functions that return a GLvoid*.
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{
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sw.WriteLine(" public {0} {1}{2}", f.ReturnValue, f.Name.TrimStart('g', 'l'), f.Parameters.ToString());
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sw.WriteLine(" {");
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// sw.WriteLine(" return Marshal.PtrToStructure(_{0}{1}, new byte[]);", f.Name.TrimStart('g', 'l'), f.Parameters.GetNameString());
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sw.WriteLine(" throw new NotImplementedException(\"Wrapper not implemented yet.\");");
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sw.WriteLine(" }");
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sw.WriteLine();
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}
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else if (f.Parameters.ToString().Contains("out Object[]"))
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{
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sw.WriteLine(" public {0} {1}{2}", f.ReturnValue, f.Name.TrimStart('g', 'l'), f.Parameters.ToString());
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sw.WriteLine(" {");
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sw.WriteLine(" throw new NotImplementedException(\"Wrapper not implemented yet.\");");
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sw.WriteLine(" }");
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sw.WriteLine();
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}
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else if (f.Parameters.ToString().Contains("Object[]"))
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{
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sw.WriteLine(" public {0} {1}{2}", f.ReturnValue, f.Name.TrimStart('g', 'l'), f.Parameters.ToString());
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sw.WriteLine(" {");
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sw.WriteLine(" throw new NotImplementedException(\"Wrapper not implemented yet.\");");
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sw.WriteLine(" }");
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sw.WriteLine();
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}
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else if (f.Parameters.ToString().Contains("out Object")) // For those functions that have an Array 'out' parameter:
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{
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sw.WriteLine(" public {0} {1}{2}", f.ReturnValue, f.Name.TrimStart('g', 'l'), f.Parameters.ToString());
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sw.WriteLine(" {");
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sw.WriteLine(" throw new NotImplementedException(\"Wrapper not implemented yet.\");");
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// HACK: The Array parameter is always the last one (I think)
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// sw.WriteLine(" GCHandle h = GCHandle.Alloc({0}, GCHandleType.Pinned);", f.Parameters[f.Parameters.Count-1].Name);
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// sw.WriteLine(" try");
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// sw.WriteLine(" {");
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// sw.WriteLine(" _{0}{1};", f.Name, f.ParameterNamesWithArrayRenamingString);
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// sw.WriteLine(" }");
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// sw.WriteLine(" finally");
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// sw.WriteLine(" {");
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// sw.WriteLine(" h.Free();");
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// sw.WriteLine(" }");
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sw.WriteLine(" }");
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sw.WriteLine();
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}
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else if (f.Parameters.ToString().Contains("Object"))
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{
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sw.WriteLine(" public {0} {1}{2}", f.ReturnValue, f.Name.TrimStart('g', 'l'), f.Parameters.ToString());
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sw.WriteLine(" {");
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int i = 0;
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StringBuilder sb = new StringBuilder();
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sb.Append("(");
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foreach (Parameter p in f.Parameters)
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{
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if (p.Type == "Object")
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{
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sw.WriteLine(" GCHandle h{0} = GCHandle.Alloc({1}, GCHandleType.Pinned);", i, p.Name);
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sb.Append("h" + i + ".AddrOfPinnedObject()" + ", ");
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i++;
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}
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else
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{
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sb.Append(p.Name + ", ");
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}
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}
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sb.Replace(", ", ")", sb.Length - 2, 2);
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sw.WriteLine(" try");
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sw.WriteLine(" {");
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if (f.ReturnValue == "void")
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sw.WriteLine(" _{0}{1};", f.Name.TrimStart('g', 'l'), sb.ToString());
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else
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sw.WriteLine(" return _{0}{1};", f.Name.TrimStart('g', 'l'), sb.ToString());
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sw.WriteLine(" }");
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sw.WriteLine(" finally");
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sw.WriteLine(" {");
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while (i > 0)
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{
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sw.WriteLine(" h{0}.Free();", --i);
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}
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sw.WriteLine(" }");
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sw.WriteLine(" }");
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sw.WriteLine();
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}
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else
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{
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sw.WriteLine(" public {0} {1}{2}", f.ReturnValue, f.Name.TrimStart('g', 'l'), f.Parameters.ToString());
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sw.WriteLine(" {");
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sw.WriteLine(" throw new NotImplementedException(\"Wrapper not implemented yet.\");");
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sw.WriteLine(" }");
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sw.WriteLine();
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}
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//sw.WriteLine(" public static extern {0} {1} {2};", f.ReturnValue, f.Name.TrimStart('g', 'l'), f.ParameterString);
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}
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}
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}
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*/
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#endregion
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sw.WriteLine(" #endregion");
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sw.WriteLine(" }");
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sw.WriteLine("}");
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sw.Flush();
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sw.Close();
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}
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#endregion
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Function WeakNameLookup(string name, List<Function> function_list)
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{
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foreach (Function f in FunctionCollection)
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{
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if (f.Name.Contains(name))
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return f;
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}
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return null;
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}
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}
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}
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