462 lines
17 KiB
C#
462 lines
17 KiB
C#
#region License
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//
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// The Open Toolkit Library License
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//
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// Copyright (c) 2006 - 2010 the Open Toolkit library.
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to deal
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// in the Software without restriction, including without limitation the rights to
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// use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
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// the Software, and to permit persons to whom the Software is furnished to do
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// so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in all
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// copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
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// OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
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// HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
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// WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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// OTHER DEALINGS IN THE SOFTWARE.
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//
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#endregion
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using System;
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using System.Collections.Generic;
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using System.Diagnostics;
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using System.IO;
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using System.Linq;
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using System.Text;
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using Bind.Structures;
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namespace Bind
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{
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using Delegate = Bind.Structures.Delegate;
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using Enum = Bind.Structures.Enum;
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using Type = Bind.Structures.Type;
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sealed class CppSpecWriter : ISpecWriter
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{
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readonly char[] numbers = "0123456789".ToCharArray();
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const string AllowDeprecated = "ALLOW_DEPRECATED_GL";
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#region WriteBindings
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public void WriteBindings(IBind generator)
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{
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WriteBindings(generator.Delegates, generator.Wrappers, generator.Enums);
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}
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void WriteBindings(DelegateCollection delegates, FunctionCollection wrappers, EnumCollection enums)
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{
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Console.WriteLine("Writing bindings to {0}", Settings.OutputPath);
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if (!Directory.Exists(Settings.OutputPath))
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Directory.CreateDirectory(Settings.OutputPath);
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// Hack: Fix 3dfx extension category so it doesn't start with a digit
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if (wrappers.ContainsKey("3dfx"))
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{
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var three_dee_fx = wrappers["3dfx"];
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wrappers.Remove("3dfx");
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wrappers.Add("T3dfx", three_dee_fx);
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}
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Settings.DefaultOutputNamespace = "OpenTK";
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string temp_header_file = Path.GetTempFileName();
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string temp_cpp_file = Path.GetTempFileName();
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using (BindStreamWriter sw = new BindStreamWriter(temp_header_file))
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{
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WriteLicense(sw);
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sw.WriteLine("namespace {0}", Settings.OutputNamespace);
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sw.WriteLine("{");
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sw.Indent();
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WriteEnums(sw, enums);
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sw.WriteLine("struct {0}", Settings.GLClass);
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sw.WriteLine("{");
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sw.Indent();
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WriteWrappers(sw, wrappers, Type.CSTypes);
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sw.Unindent();
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sw.WriteLine("};");
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sw.Unindent();
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sw.WriteLine("}");
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}
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using (BindStreamWriter sw = new BindStreamWriter(temp_cpp_file))
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{
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WriteLicense(sw);
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sw.WriteLine("namespace {0}", Settings.OutputNamespace);
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sw.WriteLine("{");
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sw.Indent();
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WriteLoader(sw, wrappers, Type.CSTypes);
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sw.Unindent();
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sw.WriteLine("}");
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}
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string output_header = Path.Combine(Settings.OutputPath, "gldef++.h");
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string output_cpp = Path.Combine(Settings.OutputPath, "gldef++.cpp");
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if (File.Exists(output_header))
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File.Delete(output_header);
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File.Move(temp_header_file, output_header);
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if (File.Exists(output_cpp))
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File.Delete(output_cpp);
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File.Move(temp_cpp_file, output_cpp);
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}
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#endregion
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#region WriteLoader
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void WriteLoader(BindStreamWriter sw, FunctionCollection wrappers,
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Dictionary<string, string> CSTypes)
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{
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// Used to avoid multiple declarations of the same function
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Delegate last_delegate = null;
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// Declare all functions
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foreach (var ext in wrappers.Keys)
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{
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var forward_compatible = wrappers[ext].Where(f => !f.Deprecated);
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var deprecated = wrappers[ext].Where(f => f.Deprecated);
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last_delegate = null;
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foreach (var current in new IEnumerable<Function>[] { forward_compatible, deprecated })
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{
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if (current == deprecated)
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{
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sw.WriteLine("#ifdef {0}", AllowDeprecated);
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sw.Indent();
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}
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foreach (var function in current)
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{
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if (function.WrappedDelegate == last_delegate)
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continue;
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last_delegate = function.WrappedDelegate;
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if (ext == "Core")
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sw.WriteLine("{0}::Delegates::p{1} {0}::Delegates::{1} = 0;", Settings.GLClass, function.Name);
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else
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sw.WriteLine("{0}::{1}::Delegates::p{2} {0}::{1}::Delegates::{2} = 0;", Settings.GLClass,
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function.Extension, function.Name);
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}
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if (current == deprecated)
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{
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sw.Unindent();
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sw.WriteLine("#endif");
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}
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}
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}
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sw.WriteLine();
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// Add Init() methods
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foreach (var ext in wrappers.Keys)
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{
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string path = null;
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if (ext == "Core")
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path = Settings.GLClass;
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else
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path = String.Format("{0}::{1}", Settings.GLClass, ext);
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sw.WriteLine("void {0}::Init()", path);
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sw.WriteLine("{");
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sw.Indent();
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var forward_compatible = wrappers[ext].Where(f => !f.Deprecated);
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var deprecated = wrappers[ext].Where(f => f.Deprecated);
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foreach (var current in new IEnumerable<Function>[] { forward_compatible, deprecated })
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{
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if (current == deprecated)
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{
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sw.WriteLine("#ifdef {0}", AllowDeprecated);
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sw.Indent();
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}
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last_delegate = null;
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foreach (var function in wrappers[ext])
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{
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if (function.WrappedDelegate == last_delegate)
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continue;
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last_delegate = function.WrappedDelegate;
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sw.WriteLine("{0}::Delegates::{1} = ({0}::Delegates::p{1})GetAddress(\"gl{1}\");",
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path, function.WrappedDelegate.Name);
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}
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if (current == deprecated)
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{
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sw.Unindent();
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sw.WriteLine("#endif");
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}
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}
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sw.Unindent();
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sw.WriteLine("}");
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}
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}
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#endregion
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#region WriteDelegates
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public void WriteDelegates(BindStreamWriter sw, DelegateCollection delegates)
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{
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throw new NotSupportedException();
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}
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static void WriteDelegate(BindStreamWriter sw, Delegate d, ref Delegate last_delegate)
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{
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// Avoid multiple definitions of the same function
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if (d != last_delegate)
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{
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last_delegate = d;
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var parameters = d.Parameters.ToString()
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.Replace("String[]", "String*")
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.Replace("[OutAttribute]", String.Empty);
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sw.WriteLine("typedef {0} (*p{1}){2};", d.ReturnType, d.Name, parameters);
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sw.WriteLine("static p{0} {0};", d.Name);
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}
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}
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#endregion
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#region WriteImports
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public void WriteImports(BindStreamWriter sw, DelegateCollection delegates)
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{
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throw new NotSupportedException();
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}
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#endregion
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#region WriteWrappers
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public void WriteWrappers(BindStreamWriter sw, FunctionCollection wrappers,
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Dictionary<string, string> CSTypes)
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{
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foreach (string extension in wrappers.Keys)
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{
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if (extension != "Core")
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{
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sw.WriteLine("struct {0}", extension);
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sw.WriteLine("{");
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sw.Indent();
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}
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// Avoid multiple definitions of the same function
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Delegate last_delegate = null;
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// Write forward-compatible functions
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var forward_compatible = wrappers[extension].Where(f => !f.Deprecated);
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var deprecated = wrappers[extension].Where(f => f.Deprecated);
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// Write delegates
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sw.WriteLine("private:");
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sw.WriteLine("struct Delegates");
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sw.WriteLine("{");
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sw.Indent();
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foreach (var current in new IEnumerable<Function>[] { forward_compatible, deprecated })
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{
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if (current == deprecated)
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{
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sw.WriteLine("#ifdef {0}", AllowDeprecated);
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sw.Indent();
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}
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last_delegate = null;
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foreach (var f in current)
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{
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WriteDelegate(sw, f.WrappedDelegate, ref last_delegate);
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}
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if (current == deprecated)
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{
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sw.Unindent();
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sw.WriteLine("#endif");
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}
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}
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sw.Unindent();
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sw.WriteLine("};");
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// Write wrappers
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sw.WriteLine("public:");
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sw.WriteLine("static void Init();");
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foreach (var current in new IEnumerable<Function>[] { forward_compatible, deprecated })
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{
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if (current == deprecated)
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{
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sw.WriteLine("#ifdef {0}", AllowDeprecated);
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sw.Indent();
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}
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last_delegate = null;
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foreach (var f in current)
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{
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if (last_delegate == f.WrappedDelegate)
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continue;
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last_delegate = f.WrappedDelegate;
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var parameters = f.WrappedDelegate.Parameters.ToString()
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.Replace("String[]", "String*")
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.Replace("[OutAttribute]", String.Empty);
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sw.WriteLine("static inline {0} {1}{2}", f.WrappedDelegate.ReturnType,
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f.TrimmedName, parameters);
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sw.WriteLine("{");
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sw.Indent();
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WriteMethodBody(sw, f);
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sw.Unindent();
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sw.WriteLine("}");
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}
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if (current == deprecated)
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{
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sw.Unindent();
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sw.WriteLine("#endif");
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}
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}
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if (extension != "Core")
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{
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sw.Unindent();
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sw.WriteLine("};");
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}
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}
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}
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static void WriteMethodBody(BindStreamWriter sw, Function f)
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{
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var callstring = f.Parameters.CallString()
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.Replace("String[]", "String*");
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if (f.ReturnType != null && !f.ReturnType.ToString().ToLower().Contains("void"))
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sw.WriteLine("return Delegates::{0}{1};", f.WrappedDelegate.Name, callstring);
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else
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sw.WriteLine("Delegates::{0}{1};", f.WrappedDelegate.Name, callstring);
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}
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static DocProcessor processor = new DocProcessor(Path.Combine(Settings.DocPath, Settings.DocFile));
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static Dictionary<string, string> docfiles;
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void WriteDocumentation(BindStreamWriter sw, Function f)
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{
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if (docfiles == null)
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{
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docfiles = new Dictionary<string, string>();
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foreach (string file in Directory.GetFiles(Settings.DocPath))
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{
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docfiles.Add(Path.GetFileName(file), file);
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}
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}
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string docfile = null;
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try
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{
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docfile = Settings.FunctionPrefix + f.WrappedDelegate.Name + ".xml";
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if (!docfiles.ContainsKey(docfile))
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docfile = Settings.FunctionPrefix + f.TrimmedName + ".xml";
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if (!docfiles.ContainsKey(docfile))
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docfile = Settings.FunctionPrefix + f.TrimmedName.TrimEnd(numbers) + ".xml";
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string doc = null;
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if (docfiles.ContainsKey(docfile))
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{
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doc = processor.ProcessFile(docfiles[docfile]);
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}
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if (doc == null)
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{
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doc = "/// <summary></summary>";
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}
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int summary_start = doc.IndexOf("<summary>") + "<summary>".Length;
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string warning = "[deprecated: v{0}]";
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string category = "[requires: {0}]";
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if (f.Deprecated)
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{
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warning = String.Format(warning, f.DeprecatedVersion);
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doc = doc.Insert(summary_start, warning);
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}
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if (f.Extension != "Core" && !String.IsNullOrEmpty(f.Category))
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{
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category = String.Format(category, f.Category);
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doc = doc.Insert(summary_start, category);
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}
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else if (!String.IsNullOrEmpty(f.Version))
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{
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if (f.Category.StartsWith("VERSION"))
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category = String.Format(category, "v" + f.Version);
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else
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category = String.Format(category, "v" + f.Version + " and " + f.Category);
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doc = doc.Insert(summary_start, category);
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}
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sw.WriteLine(doc);
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}
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catch (Exception e)
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{
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Console.WriteLine("[Warning] Error processing file {0}: {1}", docfile, e.ToString());
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}
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}
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#endregion
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#region WriteTypes
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public void WriteTypes(BindStreamWriter sw, Dictionary<string, string> CSTypes)
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{
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sw.WriteLine();
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foreach (string s in CSTypes.Keys)
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{
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sw.WriteLine("typedef {0} {1};", s, CSTypes[s]);
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}
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}
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#endregion
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#region WriteEnums
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public void WriteEnums(BindStreamWriter sw, EnumCollection enums)
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{
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foreach (Enum @enum in enums.Values)
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{
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sw.WriteLine("ENUM({0})", @enum.Name);
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sw.WriteLine("{");
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sw.Indent();
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foreach (var c in @enum.ConstantCollection.Values)
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{
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// C++ doesn't have the concept of "unchecked", so remove this.
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if (!c.Unchecked)
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sw.WriteLine("{0},", c);
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else
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sw.WriteLine("{0},", c.ToString().Replace("unchecked", String.Empty));
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}
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sw.Unindent();
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sw.WriteLine("};");
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sw.WriteLine("END_ENUM({0})", @enum.Name);
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sw.WriteLine();
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}
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}
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#endregion
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#region WriteLicense
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public void WriteLicense(BindStreamWriter sw)
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{
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sw.WriteLine(File.ReadAllText(Path.Combine(Settings.InputPath, Settings.LicenseFile)));
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sw.WriteLine();
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}
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#endregion
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}
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}
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