/Rx/NET/tools/HomoIcon/Program.cs
C# | 929 lines | 768 code | 148 blank | 13 comment | 208 complexity | e6df851ef640e5b212c3cfcd786b9bb2 MD5 | raw file
Possible License(s): Apache-2.0, LGPL-2.0, MIT, WTFPL, GPL-2.0
- using System;
- using System.Collections.Generic;
- using System.IO;
- using System.Linq;
- using System.Linq.Expressions;
- using System.Reflection;
- using System.Threading.Tasks;
- using System.Xml.Linq;
- namespace HomoIconize
- {
- static class Program
- {
- static void Main(string[] args)
- {
- Console.WriteLine("Auto-homoiconizer for Qbservable[Ex]");
- Console.WriteLine("------------------------------------");
- Console.WriteLine();
- var uri = new Uri(Assembly.GetEntryAssembly().CodeBase);
- var root = Path.Combine(Path.GetDirectoryName(uri.LocalPath), @"..\..\..\..\Source");
- if (!Directory.Exists(root))
- {
- Console.WriteLine("Error: Could not find directory \"" + root + "\"");
- return;
- }
- Process(root, "System.Reactive.Linq", "System.Reactive.Providers", @"Reactive\Linq\Qbservable.Generated.cs", "System.Reactive.Linq.Observable", "Qbservable", true);
- Console.WriteLine();
- Process(root, "System.Reactive.Experimental", "System.Reactive.Experimental", @"Reactive\Linq\QbservableEx.Generated.cs", "System.Reactive.Linq.ObservableEx", "QbservableEx");
- Console.WriteLine();
- }
- static void Process(string root, string sourceAssembly, string targetAssembly, string targetFile, string sourceTypeName, string targetTypeName, bool includeAsync = false)
- {
- var rxRoot = Path.Combine(root, sourceAssembly);
- if (!Directory.Exists(rxRoot))
- {
- Console.WriteLine("Error: Could not find directory \"" + rxRoot + "\"");
- return;
- }
- var qbRoot = Path.Combine(root, targetAssembly);
- if (!Directory.Exists(qbRoot))
- {
- Console.WriteLine("Error: Could not find directory \"" + qbRoot + "\"");
- return;
- }
- var dll = Path.Combine(rxRoot, @"bin\debug40\" + sourceAssembly + ".dll");
- if (!File.Exists(dll))
- {
- Console.WriteLine("Error: Could not find file \"" + dll + "\"");
- return;
- }
- var xml = Path.Combine(rxRoot, @"bin\debug40\" + sourceAssembly + ".xml");
- if (!File.Exists(xml))
- {
- Console.WriteLine("Error: Could not find file \"" + xml + "\"");
- return;
- }
- var qbsgen = Path.Combine(qbRoot, targetFile);
- if (!File.Exists(qbsgen))
- {
- Console.WriteLine("Error: Could not find file \"" + qbsgen + "\"");
- return;
- }
- Generate(dll, xml, qbsgen, sourceTypeName, targetTypeName, includeAsync);
- }
- // Prototype interface to break dependencies. Only used for ToString2 ultimately.
- interface IQbservable<T>
- {
- }
- static void Generate(string input, string xml, string output, string sourceTypeName, string targetTypeName, bool includeAsync)
- {
- var docs = XDocument.Load(xml).Root.Element("members").Elements("member").ToDictionary(m => m.Attribute("name").Value, m => m);
- Console.WriteLine("Loading {0}...", input);
- var asm = Assembly.LoadFrom(input);
- var t = asm.GetType(sourceTypeName);
- _qbs = typeof(IQbservable<>); //asm.GetType("System.Reactive.Linq.IQbservable`1");
- Console.WriteLine("Checking {0}...", output);
- var attr = File.GetAttributes(output);
- if ((attr & FileAttributes.ReadOnly) == FileAttributes.ReadOnly)
- {
- Console.Write("Attempting to check out generated files... ");
- try
- {
- System.Diagnostics.Process.Start("tf.exe", "edit \"" + output + "\"").WaitForExit();
- }
- catch { /* no comment */ }
- attr = File.GetAttributes(output);
- if ((attr & FileAttributes.ReadOnly) == FileAttributes.ReadOnly)
- {
- Console.WriteLine("Failed.");
- Console.ForegroundColor = ConsoleColor.Yellow;
- Console.WriteLine("Making file writable. DON'T FORGET TO INCLUDE IN CHECK-IN!");
- Console.ResetColor();
- File.SetAttributes(output, attr & ~FileAttributes.ReadOnly);
- }
- else
- {
- Console.WriteLine("Succeeded.");
- }
- }
- Console.WriteLine("Deleting {0}...", output);
- File.Delete(output);
- Console.WriteLine("Creating {0}...", output);
- using (var fs = File.OpenWrite(output))
- {
- using (Out = new StreamWriter(fs))
- {
- Generate(t, docs, targetTypeName, includeAsync);
- }
- }
- }
- static Type _qbs;
- static void Generate(Type t, IDictionary<string, XElement> docs, string typeName, bool includeAsync)
- {
- WriteLine(
- @"/*
- * WARNING: Auto-generated file (" + DateTime.Now + @")
- * Run Rx's auto-homoiconizer tool to generate this file (in the HomoIcon directory).
- */
- ");
- WriteLine(
- @"#pragma warning disable 1591
- ");
- WriteLine(
- @"#if !NO_EXPRESSIONS
- ");
- WriteLine(
- @"using System;
- using System.Reactive.Concurrency;
- using System.Collections.Generic;
- using System.Reactive.Joins;
- using System.Linq;
- using System.Linq.Expressions;
- using System.Reflection;
- using System.Threading;
- using System.Reactive;
- using System.Reactive.Subjects;
- #if !NO_TPL
- using System.Threading.Tasks;
- #endif
- #if !NO_REMOTING
- using System.Runtime.Remoting.Lifetime;
- #endif
- ");
- WriteLine(
- @"namespace System.Reactive.Linq
- {");
- Indent();
- WriteLine(
- @"public static partial class " + typeName + @"
- {");
- Indent();
- var except = new[] { "ToAsync", "FromAsyncPattern", "And", "Then", "GetEnumerator", "get_Provider", "Wait", "ForEach", "ForEachAsync", "GetAwaiter", "First", "FirstOrDefault", "Last", "LastOrDefault", "Single", "SingleOrDefault", "Subscribe", "AsQbservable", "AsObservable", "ToEvent", "ToEventPattern" };
- foreach (var m in t.GetMethods(BindingFlags.Public | BindingFlags.Static).OrderBy(m => m.Name).ThenBy(m => !m.IsGenericMethod ? "" : string.Join(",", m.GetGenericArguments().Select(p => p.Name))).ThenBy(m => string.Join(",", m.GetParameters().Select(p => p.Name + ":" + p.ParameterType.FullName))).Where(m => !except.Contains(m.Name)))
- {
- var docName = ToDocName(m);
- var xmlDoc = default(XElement);
- if (!docs.TryGetValue(docName, out xmlDoc))
- {
- Console.ForegroundColor = ConsoleColor.Yellow;
- Console.WriteLine("Missing XML documentation for {0}", docName);
- Console.ResetColor();
- }
- var p = m.GetParameters();
- if (m.Name == "When" && p.Length == 1 && p.Single().ParameterType.ToString().Contains("Plan"))
- continue;
- var funky = from pi in p
- let pt = pi.ParameterType
- where pt.IsGenericType
- let ptgtd = pt.GetGenericTypeDefinition()
- where ptgtd.Name.StartsWith("Func")
- where ptgtd.GetGenericArguments().Count() > 5
- select pi;
- var isLargeArity = funky.Any();
- var hasTask = p.Any(pa => ContainsTask(pa.ParameterType));
- var ret = m.ReturnType;
- if (ret.IsGenericType)
- {
- var d = ret.GetGenericTypeDefinition();
- if (d.Name.StartsWith("IConnectableObservable") || d.Name.StartsWith("ListObservable"))
- continue;
- if (d != typeof(IObservable<>) && d != typeof(IEnumerable<>))
- throw new InvalidOperationException("Invalid return type for " + m.Name);
- }
- else
- throw new InvalidOperationException("Invalid return type for " + m.Name);
- ret = ret.Iconize();
- var hasProvider = true;
- if (p.Length > 0)
- {
- var f = p.First();
- if (f.ParameterType.IsGenericType)
- {
- var d = f.ParameterType.GetGenericTypeDefinition();
- if (d == typeof(IObservable<>)) // Check - e.g. Amb || d == typeof(IEnumerable<>))
- hasProvider = false;
- }
- }
- var nulls = new List<string>();
- var pars = new List<string>();
- var ptps = new List<string>();
- var args = new List<string>();
- var firstArg = hasProvider ? "IQbservableProvider" : p.First().ParameterType.Iconize().ToString2();
- var firstName = hasProvider ? "provider" : p.First().Name;
- pars.Add("this " + firstArg + " " + firstName);
- ptps.Add(firstArg);
- if (!hasProvider)
- args.Add(firstName + ".Expression");
- else
- args.Add("Expression.Constant(provider, typeof(IQbservableProvider))");
- nulls.Add(firstName);
- var rem = hasProvider ? p : p.Skip(1);
- var isCreateAsync = false;
- foreach (var q in rem)
- {
- var pt = q.ParameterType;
- if (pt.Name.StartsWith("Func") || pt.Name.StartsWith("Action"))
- {
- if (pt.Name.StartsWith("Func") && pt.GetGenericArguments().Last().Name.StartsWith("Task"))
- {
- isCreateAsync = true;
- }
- pt = typeof(Expression<>).MakeGenericType(pt);
- args.Add(q.Name);
- }
- else
- {
- var isObs = new Func<Type, bool>(tt => tt.IsGenericType && tt.GetGenericTypeDefinition() == typeof(IObservable<>));
- var isEnm = new Func<Type, bool>(tt => tt.IsGenericType && tt.GetGenericTypeDefinition() == typeof(IEnumerable<>));
- if (isObs(pt) || pt.IsArray && isObs(pt.GetElementType()) || isEnm(pt) || pt.IsArray && isEnm(pt.GetElementType()))
- args.Add("GetSourceExpression(" + q.Name + ")");
- else
- args.Add("Expression.Constant(" + q.Name + ", typeof(" + pt.ToString2() + "))");
- }
- var pts = pt.ToString2();
- var par = pts + " " + q.Name;
- if (q.IsDefined(typeof(ParamArrayAttribute), false))
- par = "params " + par;
- pars.Add(par);
- ptps.Add(pts);
- if (!q.ParameterType.IsValueType && !q.ParameterType.IsGenericParameter)
- nulls.Add(q.Name);
- }
- var factory = hasProvider ? "provider" : p.First().Name + ".Provider";
- var requiresQueryProvider = ret.GetGenericTypeDefinition() == typeof(IQueryable<>);
- if (requiresQueryProvider)
- factory = "((IQueryProvider)" + factory + ")";
-
- var genArgs = m.GetGenericArguments().Select(a => a.ToString2()).ToList();
- var g = genArgs.Count > 0 ? "<" + string.Join(", ", genArgs) + ">" : "";
- var name = m.Name;
- if (name == "ToEnumerable")
- name = "ToQueryable";
- var isExp = m.GetCustomAttributes(true).Where(a => a.GetType().Name.Equals("ExperimentalAttribute")).Any();
- if (isExp)
- WriteLine("#if !STABLE", true);
- var obsolete = m.GetCustomAttributes(typeof(ObsoleteAttribute), false).Cast<ObsoleteAttribute>().SingleOrDefault();
- var poundIf = false;
- if (name == "ObserveOn" || name == "SubscribeOn")
- {
- if (p.Last().ParameterType.Name == "DispatcherScheduler")
- {
- WriteLine("#if !MONO", true);
- poundIf = true;
- }
- if (p.Last().ParameterType.Name == "ControlScheduler")
- {
- WriteLine("#if DESKTOPCLR", true);
- poundIf = true;
- }
- }
- if (name == "ObserveOnDispatcher" || name == "SubscribeOnDispatcher")
- {
- WriteLine("#if !MONO", true);
- poundIf = true;
- }
- if (isCreateAsync || hasTask)
- {
- WriteLine("#if !NO_TPL", true);
- poundIf = true;
- }
- //if (name == "Remotable")
- //{
- // WriteLine("#if DESKTOPCLR", true);
- // poundIf = true;
- // if (nulls.Contains("lease"))
- // nulls.Remove("lease");
- //}
- if (isLargeArity)
- {
- WriteLine("#if !NO_LARGEARITY", true);
- }
- var isFep = m.Name == "FromEventPattern";
- var isGenFep = isFep && m.GetGenericArguments().Any(a => a.Name == "TEventArgs");
- var isNonGenFep = isFep && !isGenFep;
- for (var r = 0; r < (isNonGenFep ? 2 : 1); r++)
- {
- var retStr = ret.ToString2();
- if (isNonGenFep)
- {
- if (r == 0)
- {
- WriteLine("#if !NO_EVENTARGS_CONSTRAINT", true);
- }
- else if (r == 1)
- {
- WriteLine("#else", true);
- retStr = retStr.Replace("EventPattern<EventArgs>", "EventPattern<object>");
- }
- }
- if (xmlDoc != null)
- {
- foreach (var docLine in xmlDoc.Element("summary").ToString().Split('\n'))
- WriteLine("/// " + docLine.TrimStart().TrimEnd('\r'));
- if (hasProvider)
- WriteLine("/// <param name=\"provider\">Query provider used to construct the IQbservable<T> data source.</param>");
- foreach (var docLine in xmlDoc.Elements().Where(e => e.Name != "summary").SelectMany(e => e.ToString().Split('\n')))
- WriteLine("/// " + docLine.TrimStart().TrimEnd('\r'));
- if (requiresQueryProvider)
- WriteLine("/// <remarks>This operator requires the source's <see cref=\"IQbservableProvider\"/> object (see <see cref=\"IQbservable.Provider\"/>) to implement <see cref=\"IQueryProvider\"/>.</remarks>");
- }
- if (isExp)
- WriteLine("[Experimental]");
- if (obsolete != null)
- WriteLine("[Obsolete(\"" + obsolete.Message + "\")]");
- WriteLine("public static " + retStr + " " + name + g + "(" + string.Join(", ", pars) + ")");
- if (isGenFep)
- {
- WriteLine("#if !NO_EVENTARGS_CONSTRAINT", true);
- Indent();
- WriteLine("where TEventArgs : EventArgs");
- Outdent();
- WriteLine("#endif", true);
- }
- else
- {
- var genCons = (from a in m.GetGenericArguments()
- from c in a.GetGenericParameterConstraints()
- select new { a, c })
- .ToList();
- if (genCons.Count > 0)
- {
- Indent();
- foreach (var gc in genCons)
- WriteLine("where " + gc.a.Name + " : " + gc.c.Name);
- Outdent();
- }
- }
- WriteLine("{");
- Indent();
- foreach (var n in nulls)
- {
- WriteLine("if (" + n + " == null)");
- Indent();
- WriteLine("throw new ArgumentNullException(\"" + n + "\");");
- Outdent();
- }
- WriteLine("");
- var gArg = ret.GetGenericArguments().Single().ToString2();
- if (isNonGenFep && r == 1)
- {
- gArg = gArg.Replace("EventPattern<EventArgs>", "EventPattern<object>");
- }
- WriteLine("return " + factory + ".CreateQuery<" + gArg + ">(");
- Indent();
- WriteLine("Expression.Call(");
- Indent();
- WriteLine("null,");
- var cma = args.Count > 0 ? "," : "";
- WriteLine("#if CRIPPLED_REFLECTION", true);
- WriteLine("InfoOf(() => " + typeName + "." + name + g + "(" + string.Join(", ", ptps.Select(pt => "default(" + pt + ")")) + "))" + cma);
- WriteLine("#else", true);
- if (!m.IsGenericMethod)
- WriteLine("(MethodInfo)MethodInfo.GetCurrentMethod()" + cma);
- else
- WriteLine("((MethodInfo)MethodInfo.GetCurrentMethod()).MakeGenericMethod(" + string.Join(", ", m.GetGenericArguments().Select(ga => "typeof(" + ga.Name + ")").ToArray()) + ")" + cma);
- WriteLine("#endif", true);
- for (int j = 0; j < args.Count; j++)
- WriteLine(args[j] + (j < args.Count - 1 ? "," : ""));
- Outdent();
- WriteLine(")");
- Outdent();
- WriteLine(");");
- Outdent();
- WriteLine("}");
- if (isNonGenFep && r == 1)
- WriteLine("#endif", true);
- }
- if (poundIf)
- WriteLine("#endif", true);
- if (isExp)
- WriteLine("#endif", true);
- if (isLargeArity)
- WriteLine("#endif", true);
- WriteLine("");
- }
- if (includeAsync)
- {
- GenerateAsync(docs, typeName);
- }
- Outdent();
- WriteLine(
- @"}");
- Outdent();
- WriteLine(
- @"}
- ");
- WriteLine(
- @"#endif
- ");
- WriteLine(
- @"#pragma warning restore 1591
- ");
- }
- static bool ContainsTask(Type t)
- {
- if (t == typeof(Task))
- return true;
- if (t.IsGenericType)
- {
- if (t.GetGenericTypeDefinition() == typeof(Task<>))
- return true;
- return t.GetGenericArguments().Any(ContainsTask);
- }
- if (t.IsArray)
- return ContainsTask(t.GetElementType());
- return false;
- }
- static void GenerateAsync(IDictionary<string, XElement> docs, string typeName)
- {
- foreach (var ret in new[] { "Unit", "TResult" })
- {
- for (int i = 0; i <= 16; i++)
- {
- if (i == 5)
- WriteLine("#if !NO_LARGEARITY", true);
- foreach (var withScheduler in new[] { false, true })
- {
- var genArgs = default(string[]);
- var lamPars = default(string[]);
- if (i == 0)
- {
- genArgs = new string[0];
- lamPars = new string[0];
- }
- //else if (i == 1)
- //{
- // genArgs = new[] { "TSource" };
- // lamPars = new[] { "t" };
- //}
- else
- {
- genArgs = Enumerable.Range(1, i).Select(j => "TArg" + j).ToArray();
- lamPars = Enumerable.Range(1, i).Select(j => "t" + j).ToArray();
- }
- var fParam = ret == "Unit" ? "action" : "function";
- var gConst = ret == "Unit" ? "Action" : "Func";
- var retType = "Func<" + string.Join(", ", genArgs.Concat(new[] { "IQbservable<" + ret + ">" }).ToArray()) + ">";
- if (ret != "Unit")
- genArgs = genArgs.Concat(new[] { "TResult" }).ToArray();
- var docName = "M:System.Reactive.Linq.Observable.ToAsync";
- if (genArgs.Length > 0)
- docName += "``" + genArgs.Length;
- var docArg = ret == "Unit" ? "System.Action" : "System.Func";
- if (genArgs.Length > 0)
- docArg += "{" + string.Join(",", Enumerable.Range(0, genArgs.Length).Select(j => "``" + j)) + "}";
- docName += "(" + docArg + (withScheduler ? ",System.Reactive.Concurrency.IScheduler" : "") + ")";
- var xmlDoc = default(XElement);
- if (!docs.TryGetValue(docName, out xmlDoc))
- {
- Console.ForegroundColor = ConsoleColor.Yellow;
- Console.WriteLine("Missing XML documentation for {0}", docName);
- Console.ResetColor();
- }
- var actType = "Expression<" + gConst + (genArgs.Length > 0 ? "<" + string.Join(", ", genArgs) + ">" : "") + ">";
- var genArgss = genArgs.Length > 0 ? "<" + string.Join(", ", genArgs) + ">" : "";
- if (xmlDoc != null)
- {
- foreach (var docLine in xmlDoc.Element("summary").ToString().Split('\n'))
- WriteLine("/// " + docLine.TrimStart().TrimEnd('\r'));
- WriteLine("/// <param name=\"provider\">Query provider used to construct the IQbservable<T> data source.</param>");
- foreach (var docLine in xmlDoc.Elements().Where(e => e.Name != "summary").SelectMany(e => e.ToString().Split('\n')))
- WriteLine("/// " + docLine.TrimStart().TrimEnd('\r'));
- }
- WriteLine("public static " + retType + " ToAsync" + genArgss + "(this IQbservableProvider provider, " + actType + " " + fParam + (withScheduler ? ", IScheduler scheduler" : "") + ")");
- WriteLine("{");
- Indent();
- WriteLine("if (provider == null)");
- Indent();
- WriteLine("throw new ArgumentNullException(\"provider\");");
- Outdent();
- WriteLine("if (" + fParam + " == null)");
- Indent();
- WriteLine("throw new ArgumentNullException(\"" + fParam + "\");");
- Outdent();
- if (withScheduler)
- {
- WriteLine("if (scheduler == null)");
- Indent();
- WriteLine("throw new ArgumentNullException(\"scheduler\");");
- Outdent();
- }
- WriteLine("");
- WriteLine("#if CRIPPLED_REFLECTION", true);
- var aprs = new List<string> { "IQbservableProvider", actType };
- if (withScheduler)
- aprs.Add("IScheduler");
- WriteLine("var m = InfoOf(() => " + typeName + ".ToAsync" + genArgss + "(" + string.Join(", ", aprs.Select(pt => "default(" + pt + ")")) + "));");
- WriteLine("#else", true);
- if (genArgs.Length == 0)
- WriteLine("var m = (MethodInfo)MethodInfo.GetCurrentMethod();");
- else
- WriteLine("var m = ((MethodInfo)MethodInfo.GetCurrentMethod()).MakeGenericMethod(" + string.Join(", ", genArgs.Select(a => "typeof(" + a + ")").ToArray()) + ");");
- WriteLine("#endif", true);
- WriteLine("return (" + string.Join(", ", lamPars) + ") => provider.CreateQuery<" + ret + ">(");
- Indent();
- WriteLine("Expression.Invoke(");
- Indent();
- WriteLine("Expression.Call(");
- Indent();
- WriteLine("null,");
- WriteLine("m,");
- WriteLine("Expression.Constant(provider, typeof(IQbservableProvider)),");
- WriteLine(fParam + (withScheduler ? "," : ""));
- if (withScheduler)
- WriteLine("Expression.Constant(scheduler, typeof(IScheduler))");
- Outdent();
- WriteLine(")" + (lamPars.Length > 0 ? "," : ""));
- var k = 0;
- foreach (var e in genArgs.Zip(lamPars, (g, l) => new { g, l }))
- {
- WriteLine("Expression.Constant(" + e.l + ", typeof(" + e.g + "))" + (k < i - 1 ? "," : ""));
- k++;
- }
- Outdent();
- WriteLine(")");
- Outdent();
- WriteLine(");");
- Outdent();
- WriteLine("}");
- WriteLine("");
- }
- if (i == 16)
- WriteLine("#endif", true);
- }
- }
- WriteLine("");
- foreach (var ret in new[] { "Unit", "TResult" })
- {
- for (int i = 0; i < 15; i++)
- {
- if (i == 3)
- WriteLine("#if !NO_LARGEARITY", true);
- var genArgs = default(string[]);
- var lamPars = default(string[]);
- if (i == 0)
- {
- genArgs = new string[0];
- lamPars = new string[0];
- }
- else
- {
- genArgs = Enumerable.Range(1, i).Select(j => "TArg" + j).ToArray();
- lamPars = Enumerable.Range(1, i).Select(j => "t" + j).ToArray();
- }
- var fParam = ret == "Unit" ? "action" : "function";
- var retType = "Func<" + string.Join(", ", genArgs.Concat(new[] { "IQbservable<" + ret + ">" }).ToArray()) + ">";
- var begType = "Expression<Func<" + string.Join(", ", genArgs.Concat(new[] { "AsyncCallback", "object", "IAsyncResult" }).ToArray()) + ">>";
- var endType = ret == "Unit" ? "Expression<Action<IAsyncResult>>" : "Expression<Func<IAsyncResult, TResult>>";
- if (ret != "Unit")
- genArgs = genArgs.Concat(new[] { "TResult" }).ToArray();
- var docName = "M:System.Reactive.Linq.Observable.FromAsyncPattern";
- if (genArgs.Length > 0)
- docName += "``" + genArgs.Length;
- if (ret == "Unit")
- {
- var docArgB = "System.Func{" + string.Join(",", Enumerable.Range(0, genArgs.Length).Select(j => "``" + j)) + (genArgs.Length > 0 ? "," : "") + "System.AsyncCallback,System.Object,System.IAsyncResult}";
- var docArgE = "System.Action{System.IAsyncResult}";
- docName += "(" + docArgB + "," + docArgE + ")";
- }
- else
- {
- var docArgB = "System.Func{" + string.Join(",", Enumerable.Range(0, genArgs.Length - 1).Select(j => "``" + j)) + (genArgs.Length > 1 ? "," : "") + "System.AsyncCallback,System.Object,System.IAsyncResult}";
- var docArgE = "System.Func{System.IAsyncResult,``" + (genArgs.Length - 1) + "}";
- docName += "(" + docArgB + "," + docArgE + ")";
- }
- var xmlDoc = default(XElement);
- if (!docs.TryGetValue(docName, out xmlDoc))
- {
- Console.ForegroundColor = ConsoleColor.Yellow;
- Console.WriteLine("Missing XML documentation for {0}", docName);
- Console.ResetColor();
- }
- var genArgss = genArgs.Length > 0 ? "<" + string.Join(", ", genArgs) + ">" : "";
- if (xmlDoc != null)
- {
- foreach (var docLine in xmlDoc.Element("summary").ToString().Split('\n'))
- WriteLine("/// " + docLine.TrimStart().TrimEnd('\r'));
- WriteLine("/// <param name=\"provider\">Query provider used to construct the IQbservable<T> data source.</param>");
- foreach (var docLine in xmlDoc.Elements().Where(e => e.Name != "summary").SelectMany(e => e.ToString().Split('\n')))
- WriteLine("/// " + docLine.TrimStart().TrimEnd('\r'));
- }
- WriteLine("#if PREFERASYNC", true);
- WriteLine("[Obsolete(Constants_Linq.USE_TASK_FROMASYNCPATTERN)]");
- WriteLine("#endif", true);
- WriteLine("public static " + retType + " FromAsyncPattern" + genArgss + "(this IQbservableProvider provider, " + begType + " begin, " + endType + "end)");
- WriteLine("{");
- Indent();
- WriteLine("if (provider == null)");
- Indent();
- WriteLine("throw new ArgumentNullException(\"provider\");");
- Outdent();
- WriteLine("if (begin == null)");
- Indent();
- WriteLine("throw new ArgumentNullException(\"begin\");");
- Outdent();
- WriteLine("if (end == null)");
- Indent();
- WriteLine("throw new ArgumentNullException(\"end\");");
- Outdent();
- WriteLine("");
- WriteLine("#if CRIPPLED_REFLECTION", true);
- var aprs = new List<string> { "IQbservableProvider", begType, endType };
- WriteLine("var m = InfoOf(() => " + typeName + ".FromAsyncPattern" + genArgss + "(" + string.Join(", ", aprs.Select(pt => "default(" + pt + ")")) + "));");
- WriteLine("#else", true);
- if (genArgs.Length == 0)
- WriteLine("var m = (MethodInfo)MethodInfo.GetCurrentMethod();");
- else
- WriteLine("var m = ((MethodInfo)MethodInfo.GetCurrentMethod()).MakeGenericMethod(" + string.Join(", ", genArgs.Select(a => "typeof(" + a + ")").ToArray()) + ");");
- WriteLine("#endif", true);
- WriteLine("return (" + string.Join(", ", lamPars) + ") => provider.CreateQuery<" + ret + ">(");
- Indent();
- WriteLine("Expression.Invoke(");
- Indent();
- WriteLine("Expression.Call(");
- Indent();
- WriteLine("null,");
- WriteLine("m,");
- WriteLine("Expression.Constant(provider, typeof(IQbservableProvider)),");
- WriteLine("begin,");
- WriteLine("end");
- Outdent();
- WriteLine(")" + (lamPars.Length > 0 ? "," : ""));
- var k = 0;
- foreach (var e in genArgs.Zip(lamPars, (g, l) => new { g, l }))
- {
- WriteLine("Expression.Constant(" + e.l + ", typeof(" + e.g + "))" + (k < i - 1 ? "," : ""));
- k++;
- }
- Outdent();
- WriteLine(")");
- Outdent();
- WriteLine(");");
- Outdent();
- WriteLine("}");
- WriteLine("");
- if (i == 14)
- WriteLine("#endif", true);
- }
- }
- }
- static TextWriter Out { get; set; }
- static int _indent;
- static void WriteLine(string s, bool noIndent = false)
- {
- foreach (var t in s.Split('\n'))
- Out.WriteLine((noIndent ? "" : new string(' ', _indent * 4)) + t.TrimEnd('\r'));
- }
- static void Indent()
- {
- _indent++;
- }
- static void Outdent()
- {
- _indent--;
- }
- static Type Iconize(this Type type)
- {
- if (type.IsGenericType && !type.IsGenericTypeDefinition)
- {
- var g = type.GetGenericTypeDefinition();
- if (g == typeof(IObservable<>))
- {
- return _qbs.MakeGenericType(type.GetGenericArguments());
- }
- else if (g == typeof(IEnumerable<>))
- {
- return typeof(IQueryable<>).MakeGenericType(type.GetGenericArguments());
- }
- }
- return type;
- }
- static string ToString2(this Type type)
- {
- if (type == typeof(int))
- return "int";
- else if (type == typeof(uint))
- return "uint";
- else if (type == typeof(long))
- return "long";
- else if (type == typeof(ulong))
- return "ulong";
- else if (type == typeof(float))
- return "float";
- else if (type == typeof(double))
- return "double";
- else if (type == typeof(byte))
- return "byte";
- else if (type == typeof(sbyte))
- return "sbyte";
- else if (type == typeof(bool))
- return "bool";
- else if (type == typeof(short))
- return "short";
- else if (type == typeof(ushort))
- return "ushort";
- else if (type == typeof(string))
- return "string";
- else if (type == typeof(object))
- return "object";
- else if (type == typeof(void))
- return "void";
- else if (type == typeof(decimal))
- return "decimal";
- if (type.IsArray)
- return type.GetElementType().ToString2() + "[" + new string(',', type.GetArrayRank() - 1) + "]";
- if (type.IsGenericType)
- {
- if (!type.IsGenericTypeDefinition)
- {
- var g = type.GetGenericTypeDefinition();
- if (g == typeof(Nullable<>))
- return type.GetGenericArguments()[0].ToString2() + "?";
- else
- return g.ToString2() + "<" + string.Join(", ", type.GetGenericArguments().Select(t => t.ToString2()).ToArray()) + ">";
- }
- else
- {
- var s = type.Name;
- return s.Substring(0, s.LastIndexOf('`'));
- }
- }
- return type.Name;
- }
- static string ToDocName(MethodInfo method)
- {
- var name = "M:" + ToDocName(method.DeclaringType) + "." + method.Name;
- var genArgs = new Type[0];
- if (method.IsGenericMethod)
- {
- genArgs = method.GetGenericArguments();
- name += "``" + genArgs.Length;
- }
- var pars = method.GetParameters();
- if (pars.Length > 0)
- {
- name += "(" + string.Join(",", method.GetParameters().Select(p => ToDocName(p.ParameterType, genArgs))) + ")";
- }
- return name;
- }
- static string ToDocName(Type t, params Type[] genArgs)
- {
- var i = Array.IndexOf(genArgs, t);
- if (i >= 0)
- return "``" + i;
- if (t.IsArray)
- {
- return ToDocName(t.GetElementType(), genArgs) + "[]";
- }
- if (t.IsGenericType)
- {
- var def = t.GetGenericTypeDefinition();
- var name = def.FullName.Substring(0, def.FullName.LastIndexOf("`"));
- var args = t.GetGenericArguments();
- name += "{" + string.Join(",", args.Select(a => ToDocName(a, genArgs))) + "}";
- return name;
- }
- else
- {
- return t.FullName;
- }
- }
- }
- }