709 lines
26 KiB
C#
709 lines
26 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 CSharpSpecWriter : ISpecWriter
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{
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readonly char[] numbers = "0123456789".ToCharArray();
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IBind Generator { get; set; }
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Settings Settings { get { return Generator.Settings; } }
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#region ISpecWriter Members
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public void WriteBindings(IBind generator)
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{
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Generator = generator;
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WriteBindings(generator.Delegates, generator.Wrappers, generator.Enums);
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}
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#endregion
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#region Private Members
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private static void ConsoleRewrite(string text)
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{
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int left = Console.CursorLeft;
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int top = Console.CursorTop;
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Console.Write(text);
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for (int i = text.Length; i < 80; i++)
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Console.Write(" ");
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Console.WriteLine();
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Console.SetCursorPosition(left, top);
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}
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#region WriteBindings
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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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string temp_enums_file = Path.GetTempFileName();
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string temp_wrappers_file = Path.GetTempFileName();
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// Enums
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using (BindStreamWriter sw = new BindStreamWriter(temp_enums_file))
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{
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WriteLicense(sw);
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sw.WriteLine("using System;");
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sw.WriteLine();
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if ((Settings.Compatibility & Settings.Legacy.NestedEnums) != Settings.Legacy.None)
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{
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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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sw.WriteLine("static partial class {0}", Settings.OutputClass);
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}
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else
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sw.WriteLine("namespace {0}", Settings.EnumsOutput);
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sw.WriteLine("{");
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sw.Indent();
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WriteEnums(sw, enums, wrappers);
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sw.Unindent();
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if ((Settings.Compatibility & Settings.Legacy.NestedEnums) != Settings.Legacy.None)
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{
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sw.WriteLine("}");
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sw.Unindent();
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}
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sw.WriteLine("}");
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}
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// Wrappers
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using (BindStreamWriter sw = new BindStreamWriter(temp_wrappers_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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sw.WriteLine("using System;");
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sw.WriteLine("using System.Text;");
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sw.WriteLine("using System.Runtime.InteropServices;");
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WriteWrappers(sw, wrappers, delegates, enums, Generator.CSTypes);
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sw.Unindent();
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sw.WriteLine("}");
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}
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string output_enums = Path.Combine(Settings.OutputPath, Settings.EnumsFile);
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string output_delegates = Path.Combine(Settings.OutputPath, Settings.DelegatesFile);
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string output_core = Path.Combine(Settings.OutputPath, Settings.ImportsFile);
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string output_wrappers = Path.Combine(Settings.OutputPath, Settings.WrappersFile);
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if (File.Exists(output_enums)) File.Delete(output_enums);
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if (File.Exists(output_delegates)) File.Delete(output_delegates);
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if (File.Exists(output_core)) File.Delete(output_core);
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if (File.Exists(output_wrappers)) File.Delete(output_wrappers);
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File.Move(temp_enums_file, output_enums);
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File.Move(temp_wrappers_file, output_wrappers);
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}
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#endregion
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#region WriteWrappers
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void WriteWrappers(BindStreamWriter sw, FunctionCollection wrappers,
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DelegateCollection delegates, EnumCollection enums,
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IDictionary<string, string> CSTypes)
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{
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Trace.WriteLine(String.Format("Writing wrappers to:\t{0}.{1}", Settings.OutputNamespace, Settings.OutputClass));
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sw.WriteLine("#pragma warning disable 3019"); // CLSCompliant attribute
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sw.WriteLine("#pragma warning disable 1591"); // Missing doc comments
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sw.WriteLine("#pragma warning disable 1572"); // Wrong param comments
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sw.WriteLine("#pragma warning disable 1573"); // Missing param comments
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sw.WriteLine("#pragma warning disable 626"); // extern method without DllImport
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sw.WriteLine();
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sw.WriteLine("partial class {0}", Settings.OutputClass);
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sw.WriteLine("{");
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sw.Indent();
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// Write constructor
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sw.WriteLine("static {0}()", Settings.OutputClass);
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sw.WriteLine("{");
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sw.Indent();
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sw.WriteLine("EntryPointNames = new string[]", delegates.Count);
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sw.WriteLine("{");
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sw.Indent();
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foreach (var d in delegates.Values.Select(d => d.First()))
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sw.WriteLine("\"{0}{1}\",", Settings.FunctionPrefix, d.Name);
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sw.Unindent();
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sw.WriteLine("};");
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sw.WriteLine("EntryPoints = new IntPtr[EntryPointNames.Length];");
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sw.Unindent();
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sw.WriteLine("}");
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sw.WriteLine();
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int current_wrapper = 0;
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foreach (string key in wrappers.Keys)
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{
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if (((Settings.Compatibility & Settings.Legacy.NoSeparateFunctionNamespaces) == Settings.Legacy.None) && key != "Core")
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{
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if (!Char.IsDigit(key[0]))
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{
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sw.WriteLine("public static partial class {0}", key);
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}
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else
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{
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// Identifiers cannot start with a number:
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sw.WriteLine("public static partial class {0}{1}", Settings.ConstantPrefix, key);
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}
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sw.WriteLine("{");
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sw.Indent();
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}
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wrappers[key].Sort();
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foreach (Function f in wrappers[key])
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{
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WriteWrapper(sw, f, enums);
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current_wrapper++;
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}
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if (((Settings.Compatibility & Settings.Legacy.NoSeparateFunctionNamespaces) == Settings.Legacy.None) && key != "Core")
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{
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sw.Unindent();
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sw.WriteLine("}");
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sw.WriteLine();
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}
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}
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// Emit native signatures.
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// These are required by the patcher.
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int current_signature = 0;
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foreach (var d in wrappers.Values.SelectMany(e => e).Select(w => w.WrappedDelegate).Distinct())
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{
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sw.WriteLine("[Slot({0})]", d.Slot);
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sw.WriteLine("[DllImport(Library, ExactSpelling = true, CallingConvention = CallingConvention.Winapi)]");
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sw.WriteLine("static extern {0};", GetDeclarationString(d, false));
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current_signature++;
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}
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sw.Unindent();
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sw.WriteLine("}");
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Console.WriteLine("Wrote {0} wrappers for {1} signatures", current_wrapper, current_signature);
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}
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void WriteWrapper(BindStreamWriter sw, Function f, EnumCollection enums)
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{
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if ((Settings.Compatibility & Settings.Legacy.NoDocumentation) == 0)
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{
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WriteDocumentation(sw, f);
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}
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WriteMethod(sw, f, enums);
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sw.WriteLine();
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}
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private void WriteMethod(BindStreamWriter sw, Function f, EnumCollection enums)
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{
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if (!String.IsNullOrEmpty(f.Obsolete))
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{
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sw.WriteLine("[Obsolete(\"{0}\")]", f.Obsolete);
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}
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else if (f.Deprecated && Settings.IsEnabled(Settings.Legacy.AddDeprecationWarnings))
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{
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sw.WriteLine("[Obsolete(\"Deprecated in OpenGL {0}\")]", f.DeprecatedVersion);
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}
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sw.WriteLine("[AutoGenerated(Category = \"{0}\", Version = \"{1}\", EntryPoint = \"{2}\")]",
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f.Category, f.Version, Settings.FunctionPrefix + f.WrappedDelegate.EntryPoint);
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if (!f.CLSCompliant)
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{
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sw.WriteLine("[CLSCompliant(false)]");
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}
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sw.WriteLine("public static {0} {{ throw new NotImplementedException(); }}", GetDeclarationString(f, Settings.Compatibility));
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}
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DocProcessor processor_;
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DocProcessor Processor
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{
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get
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{
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if (processor_ == null)
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processor_ = new DocProcessor(Path.Combine(Settings.DocPath, Settings.DocFile));
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return processor_;
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}
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}
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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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var docs = new List<string>();
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if (docfiles.ContainsKey(docfile))
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{
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docs.AddRange(Processor.ProcessFile(docfiles[docfile]));
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}
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if (docs.Count == 0)
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{
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docs.Add("/// <summary></summary>");
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}
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int summary_start = docs[0].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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docs[0] = docs[0].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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docs[0] = docs[0].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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docs[0] = docs[0].Insert(summary_start, category);
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}
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foreach (var param in f.WrappedDelegate.Parameters)
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{
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var index = docs.IndexOf("/// <param name=\"" + param.Name +"\">");
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if (index != -1 && param.ComputeSize != "")
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{
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var compute_size = string.Format("[length: {0}]", param.ComputeSize);
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docs[index] = docs[index] + compute_size;
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}
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}
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foreach (var doc in docs)
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{
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sw.WriteLine(doc);
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}
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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("using {0} = System.{1};", s, CSTypes[s]);
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}
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}
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#endregion
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#region WriteConstants
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void WriteConstants(BindStreamWriter sw, IEnumerable<Constant> constants)
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{
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// Make sure everything is sorted. This will avoid random changes between
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// consecutive runs of the program.
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constants = constants.OrderBy(c => c);
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foreach (var c in constants)
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{
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if (!Settings.IsEnabled(Settings.Legacy.NoDocumentation))
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{
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sw.WriteLine("/// <summary>");
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sw.WriteLine("/// Original was " + Settings.ConstantPrefix + c.OriginalName + " = " + c.Value);
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sw.WriteLine("/// </summary>");
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}
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var str = String.Format("{0} = {1}((int){2}{3})", c.Name, c.Unchecked ? "unchecked" : "",
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!String.IsNullOrEmpty(c.Reference) ? c.Reference + Settings.NamespaceSeparator : "", c.Value);
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sw.Write(str);
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if (!String.IsNullOrEmpty(str))
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sw.WriteLine(",");
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}
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}
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#endregion
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#region WriteEnums
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void WriteEnums(BindStreamWriter sw, EnumCollection enums, FunctionCollection wrappers)
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{
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//sw.WriteLine("#pragma warning disable 3019"); // CLSCompliant attribute
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//sw.WriteLine("#pragma warning disable 1591"); // Missing doc comments
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//sw.WriteLine();
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if ((Settings.Compatibility & Settings.Legacy.NestedEnums) != Settings.Legacy.None)
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Trace.WriteLine(String.Format("Writing enums to:\t{0}.{1}.{2}", Settings.OutputNamespace, Settings.OutputClass, Settings.NestedEnumsClass));
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else
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Trace.WriteLine(String.Format("Writing enums to:\t{0}", Settings.EnumsOutput));
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if ((Settings.Compatibility & Settings.Legacy.ConstIntEnums) == Settings.Legacy.None)
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{
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if ((Settings.Compatibility & Settings.Legacy.NestedEnums) != Settings.Legacy.None &&
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!String.IsNullOrEmpty(Settings.NestedEnumsClass))
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{
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sw.WriteLine("public class Enums");
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sw.WriteLine("{");
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sw.Indent();
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}
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// Build a dictionary of which functions use which enums
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var enum_counts = new Dictionary<Enum, List<Function>>();
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foreach (var e in enums.Values)
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{
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// Initialize the dictionary
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enum_counts.Add(e, new List<Function>());
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}
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foreach (var wrapper in wrappers.Values.SelectMany(w => w))
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{
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// Add every function to every enum parameter it references
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foreach (var parameter in wrapper.Parameters.Where(p => p.IsEnum))
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{
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var e = enums[parameter.CurrentType];
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var list = enum_counts[e];
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list.Add(wrapper);
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}
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}
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foreach (Enum @enum in enums.Values)
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{
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if (!Settings.IsEnabled(Settings.Legacy.NoDocumentation))
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{
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// Document which functions use this enum.
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var functions = enum_counts[@enum]
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.Select(w => Settings.GLClass + (w.Extension != "Core" ? ("." + w.Extension) : "") + "." + w.TrimmedName)
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.Distinct();
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sw.WriteLine("/// <summary>");
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sw.WriteLine(String.Format("/// {0}",
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functions.Count() >= 3 ?
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String.Format("Used in {0} and {1} other function{2}",
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String.Join(", ", functions.Take(2).ToArray()),
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functions.Count() - 2,
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functions.Count() - 2 > 1 ? "s" : "") :
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functions.Count() >= 1 ?
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String.Format("Used in {0}",
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String.Join(", ", functions.ToArray())) :
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"Not used directly."));
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sw.WriteLine("/// </summary>");
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}
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if (@enum.IsFlagCollection)
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sw.WriteLine("[Flags]");
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sw.WriteLine("public enum " + @enum.Name + " : " + @enum.Type);
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sw.WriteLine("{");
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sw.Indent();
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WriteConstants(sw, @enum.ConstantCollection.Values);
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sw.Unindent();
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sw.WriteLine("}");
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sw.WriteLine();
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}
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if ((Settings.Compatibility & Settings.Legacy.NestedEnums) != Settings.Legacy.None &&
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!String.IsNullOrEmpty(Settings.NestedEnumsClass))
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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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else
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{
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// Tao legacy mode: dump all enums as constants in GLClass.
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foreach (Constant c in enums[Settings.CompleteEnumName].ConstantCollection.Values)
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{
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// Print constants avoiding circular definitions
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if (c.Name != c.Value)
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{
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sw.WriteLine(String.Format(
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"public const int {0} = {2}((int){1});",
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c.Name.StartsWith(Settings.ConstantPrefix) ? c.Name : Settings.ConstantPrefix + c.Name,
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Char.IsDigit(c.Value[0]) ? c.Value : c.Value.StartsWith(Settings.ConstantPrefix) ? c.Value : Settings.ConstantPrefix + c.Value,
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c.Unchecked ? "unchecked" : ""));
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}
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else
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{
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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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#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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// For example, if parameter foo has indirection level = 1, then it
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// is consumed as 'foo*' in the fixed_statements and the call string.
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readonly static string[] pointer_levels = new string[] { "", "*", "**", "***", "****" };
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readonly static string[] array_levels = new string[] { "", "[]", "[,]", "[,,]", "[,,,]" };
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static bool IsEnum(string s, EnumCollection enums)
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{
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return enums.ContainsKey(s);
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}
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string GetDeclarationString(Constant c)
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{
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if (String.IsNullOrEmpty(c.Name))
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{
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throw new InvalidOperationException("Invalid Constant: Name is empty");
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}
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return String.Format("{0} = {1}((int){2}{3})",
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c.Name,
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c.Unchecked ? "unchecked" : String.Empty,
|
|
!String.IsNullOrEmpty(c.Reference) ?
|
|
c.Reference + Settings.NamespaceSeparator :
|
|
String.Empty,
|
|
c.Value);
|
|
}
|
|
|
|
string GetDeclarationString(Delegate d, bool is_delegate)
|
|
{
|
|
StringBuilder sb = new StringBuilder();
|
|
|
|
sb.Append(d.Unsafe ? "unsafe " : "");
|
|
if (is_delegate)
|
|
sb.Append("delegate ");
|
|
sb.Append(GetDeclarationString(d.ReturnType, Settings.Legacy.ConstIntEnums));
|
|
sb.Append(" ");
|
|
sb.Append(Settings.FunctionPrefix);
|
|
sb.Append(d.Name);
|
|
sb.Append(GetDeclarationString(d.Parameters, Settings.Legacy.ConstIntEnums));
|
|
|
|
return sb.ToString();
|
|
}
|
|
|
|
string GetDeclarationString(Enum e)
|
|
{
|
|
StringBuilder sb = new StringBuilder();
|
|
List<Constant> constants = new List<Constant>(e.ConstantCollection.Values);
|
|
constants.Sort(delegate(Constant c1, Constant c2)
|
|
{
|
|
int ret = String.Compare(c1.Value, c2.Value);
|
|
if (ret == 0)
|
|
return String.Compare(c1.Name, c2.Name);
|
|
return ret;
|
|
});
|
|
|
|
if (e.IsFlagCollection)
|
|
sb.AppendLine("[Flags]");
|
|
sb.Append("public enum ");
|
|
sb.Append(e.Name);
|
|
sb.Append(" : ");
|
|
sb.AppendLine(e.Type);
|
|
sb.AppendLine("{");
|
|
|
|
foreach (Constant c in constants)
|
|
{
|
|
var declaration = GetDeclarationString(c);
|
|
sb.Append(" ");
|
|
sb.Append(declaration);
|
|
if (!String.IsNullOrEmpty(declaration))
|
|
sb.AppendLine(",");
|
|
}
|
|
sb.Append("}");
|
|
|
|
return sb.ToString();
|
|
}
|
|
|
|
string GetDeclarationString(Function f, Settings.Legacy settings)
|
|
{
|
|
StringBuilder sb = new StringBuilder();
|
|
|
|
sb.Append(f.Unsafe ? "unsafe " : "");
|
|
sb.Append(GetDeclarationString(f.ReturnType, settings));
|
|
sb.Append(" ");
|
|
if ((Settings.Compatibility & Settings.Legacy.NoTrimFunctionEnding) != Settings.Legacy.None)
|
|
{
|
|
sb.Append(Settings.FunctionPrefix);
|
|
}
|
|
sb.Append(!String.IsNullOrEmpty(f.TrimmedName) ? f.TrimmedName : f.Name);
|
|
|
|
if (f.Parameters.HasGenericParameters)
|
|
{
|
|
sb.Append("<");
|
|
foreach (Parameter p in f.Parameters)
|
|
{
|
|
if (p.Generic)
|
|
{
|
|
sb.Append(p.CurrentType);
|
|
sb.Append(",");
|
|
}
|
|
}
|
|
sb.Remove(sb.Length - 1, 1);
|
|
sb.Append(">");
|
|
}
|
|
|
|
sb.Append(GetDeclarationString(f.Parameters, settings));
|
|
|
|
if (f.Parameters.HasGenericParameters)
|
|
{
|
|
sb.AppendLine();
|
|
foreach (Parameter p in f.Parameters)
|
|
{
|
|
if (p.Generic)
|
|
sb.AppendLine(String.Format(" where {0} : struct", p.CurrentType));
|
|
}
|
|
}
|
|
|
|
return sb.ToString();
|
|
}
|
|
|
|
string GetDeclarationString(Parameter p, bool override_unsafe_setting, Settings.Legacy settings)
|
|
{
|
|
StringBuilder sb = new StringBuilder();
|
|
|
|
if (p.Flow == FlowDirection.Out)
|
|
sb.Append("[OutAttribute] ");
|
|
else if (p.Flow == FlowDirection.Undefined)
|
|
sb.Append("[InAttribute, OutAttribute] ");
|
|
|
|
if (p.Reference)
|
|
{
|
|
if (p.Flow == FlowDirection.Out)
|
|
sb.Append("out ");
|
|
else
|
|
sb.Append("ref ");
|
|
}
|
|
|
|
if (!override_unsafe_setting && ((Settings.Compatibility & Settings.Legacy.NoPublicUnsafeFunctions) != Settings.Legacy.None))
|
|
{
|
|
if (p.Pointer != 0)
|
|
{
|
|
sb.Append("IntPtr");
|
|
}
|
|
else
|
|
{
|
|
sb.Append(GetDeclarationString(p as Type, settings));
|
|
}
|
|
}
|
|
else
|
|
{
|
|
sb.Append(GetDeclarationString(p as Type, settings));
|
|
}
|
|
if (!String.IsNullOrEmpty(p.Name))
|
|
{
|
|
sb.Append(" ");
|
|
sb.Append(p.Name);
|
|
}
|
|
|
|
return sb.ToString();
|
|
}
|
|
|
|
string GetDeclarationString(ParameterCollection parameters, Settings.Legacy settings)
|
|
{
|
|
StringBuilder sb = new StringBuilder();
|
|
|
|
sb.Append("(");
|
|
if (parameters.Count > 0)
|
|
{
|
|
foreach (Parameter p in parameters)
|
|
{
|
|
sb.Append(GetDeclarationString(p, false, settings));
|
|
sb.Append(", ");
|
|
}
|
|
sb.Replace(", ", ")", sb.Length - 2, 2);
|
|
}
|
|
else
|
|
{
|
|
sb.Append(")");
|
|
}
|
|
|
|
return sb.ToString();
|
|
}
|
|
|
|
string GetDeclarationString(Type type, Settings.Legacy settings)
|
|
{
|
|
var t = type.QualifiedType;
|
|
if ((settings & Settings.Legacy.ConstIntEnums) != 0)
|
|
{
|
|
if (type.IsEnum)
|
|
{
|
|
t = "System.Int32";
|
|
}
|
|
}
|
|
|
|
return String.Format("{0}{1}{2}",
|
|
t,
|
|
pointer_levels[type.Pointer],
|
|
array_levels[type.Array]);
|
|
}
|
|
|
|
#endregion
|
|
}
|
|
}
|