static int Main(string[] args) { var files = new List<string>(); var config = new Config(); config.ParseArgs(args); if (!config.Validate()) { ConsoleOps.Usage(true); } ConsoleOps.Info("{0}", config); ConsoleOps.Info("compiling..."); // we don't use the engine, but we create it so we can have a default context. ScriptEngine engine = Python.CreateEngine(); ClrModule.CompileModules(DefaultContext.DefaultCLS, config.Output + ".dll", new Dictionary<string, object> { { "mainModule", config.MainName } }, config.Files.ToArray()); if (config.Target != PEFileKinds.Dll) { GenerateExe(config); } ConsoleOps.Info("Saved to {0}", config.Output); return 0; }
/// <summary> /// Generates the stub .exe file for starting the app /// </summary> /// <param name="config"></param> static void GenerateExe(Config config) { var u = new Universe(); var aName = new AssemblyName(Path.GetFileNameWithoutExtension(new FileInfo(config.Output).Name)); if (config.FileInfoVersion != null) { aName.Version = config.FileInfoVersion; } var ab = u.DefineDynamicAssembly(aName, AssemblyBuilderAccess.Save, Path.GetDirectoryName(config.Output)); ab.DefineVersionInfoResource(config.FileInfoProduct, config.FileInfoProductVersion, config.FileInfoCompany, config.FileInfoCopyright, config.FileInfoTrademark); var mb = ab.DefineDynamicModule(config.Output, aName.Name + (aName.Name.EndsWith(".exe") ? string.Empty : ".exe")); var tb = mb.DefineType("PythonMain", IKVM.Reflection.TypeAttributes.Public); if (!string.IsNullOrEmpty(config.Win32Icon)) { ab.__DefineIconResource(File.ReadAllBytes(config.Win32Icon)); } MethodBuilder assemblyResolveMethod = null; ILGenerator gen = null; if (config.Standalone) { ConsoleOps.Info("Generating stand alone executable"); config.Embed = true; foreach (var a in System.AppDomain.CurrentDomain.GetAssemblies()) { var n = new AssemblyName(a.FullName); if (!a.IsDynamic && a.EntryPoint == null && (n.Name.StartsWith("IronPython") || n.Name == "Microsoft.Dynamic" || n.Name == "Microsoft.Scripting")) { ConsoleOps.Info("\tEmbedded {0} {1}", n.Name, n.Version); var f = new FileStream(a.Location, FileMode.Open, FileAccess.Read); mb.DefineManifestResource("Dll." + n.Name, f, IKVM.Reflection.ResourceAttributes.Public); } } // we currently do no error checking on what is passed in to the assemblyresolve event handler assemblyResolveMethod = tb.DefineMethod("AssemblyResolve", MethodAttributes.Public | MethodAttributes.Static, u.Import(typeof(System.Reflection.Assembly)), new IKVM.Reflection.Type[] { u.Import(typeof(System.Object)), u.Import(typeof(System.ResolveEventArgs)) }); gen = assemblyResolveMethod.GetILGenerator(); var s = gen.DeclareLocal(u.Import(typeof(System.IO.Stream))); // resource stream gen.Emit(OpCodes.Ldnull); gen.Emit(OpCodes.Stloc, s); var d = gen.DeclareLocal(u.Import(typeof(byte[]))); // data buffer; gen.EmitCall(OpCodes.Call, u.Import(typeof(System.Reflection.Assembly)).GetMethod("GetEntryAssembly"), Type.EmptyTypes); gen.Emit(OpCodes.Ldstr, "Dll."); gen.Emit(OpCodes.Ldarg_1); // The event args gen.EmitCall(OpCodes.Callvirt, u.Import(typeof(System.ResolveEventArgs)).GetMethod("get_Name"), Type.EmptyTypes); gen.Emit(OpCodes.Newobj, u.Import(typeof(System.Reflection.AssemblyName)).GetConstructor(new IKVM.Reflection.Type[] { u.Import(typeof(string)) })); gen.EmitCall(OpCodes.Call, u.Import(typeof(System.Reflection.AssemblyName)).GetMethod("get_Name"), Type.EmptyTypes); gen.EmitCall(OpCodes.Call, u.Import(typeof(string)).GetMethod("Concat", new IKVM.Reflection.Type[] { u.Import(typeof(string)), u.Import(typeof(string)) }), Type.EmptyTypes); gen.EmitCall(OpCodes.Callvirt, u.Import(typeof(System.Reflection.Assembly)).GetMethod("GetManifestResourceStream", new IKVM.Reflection.Type[] { u.Import(typeof(string)) }), Type.EmptyTypes); gen.Emit(OpCodes.Stloc, s); gen.Emit(OpCodes.Ldloc, s); gen.EmitCall(OpCodes.Callvirt, u.Import(typeof(System.IO.Stream)).GetMethod("get_Length"), Type.EmptyTypes); gen.Emit(OpCodes.Newarr, u.Import(typeof(System.Byte))); gen.Emit(OpCodes.Stloc, d); gen.Emit(OpCodes.Ldloc, s); gen.Emit(OpCodes.Ldloc, d); gen.Emit(OpCodes.Ldc_I4_0); gen.Emit(OpCodes.Ldloc, s); gen.EmitCall(OpCodes.Callvirt, u.Import(typeof(System.IO.Stream)).GetMethod("get_Length"), Type.EmptyTypes); gen.Emit(OpCodes.Conv_I4); gen.EmitCall(OpCodes.Callvirt, u.Import(typeof(System.IO.Stream)).GetMethod("Read", new IKVM.Reflection.Type[] { u.Import(typeof(byte[])), u.Import(typeof(int)), u.Import(typeof(int)) }), Type.EmptyTypes); gen.Emit(OpCodes.Pop); gen.Emit(OpCodes.Ldloc, d); gen.EmitCall(OpCodes.Call, u.Import(typeof(System.Reflection.Assembly)).GetMethod("Load", new IKVM.Reflection.Type[] { u.Import(typeof(byte[])) }), Type.EmptyTypes); gen.Emit(OpCodes.Ret); // generate a static constructor to assign the AssemblyResolve handler (otherwise it tries to use IronPython before it adds the handler) // the other way of handling this would be to move the call to InitializeModule into a separate method. var staticConstructor = tb.DefineConstructor(MethodAttributes.Public | MethodAttributes.Static, CallingConventions.Standard, Type.EmptyTypes); gen = staticConstructor.GetILGenerator(); gen.EmitCall(OpCodes.Call, u.Import(typeof(System.AppDomain)).GetMethod("get_CurrentDomain"), Type.EmptyTypes); gen.Emit(OpCodes.Ldnull); gen.Emit(OpCodes.Ldftn, assemblyResolveMethod); gen.Emit(OpCodes.Newobj, u.Import(typeof(System.ResolveEventHandler)).GetConstructor(new IKVM.Reflection.Type[] { u.Import(typeof(object)), u.Import(typeof(System.IntPtr)) })); gen.EmitCall(OpCodes.Callvirt, u.Import(typeof(System.AppDomain)).GetMethod("add_AssemblyResolve"), Type.EmptyTypes); gen.Emit(OpCodes.Ret); } var mainMethod = tb.DefineMethod("Main", MethodAttributes.Public | MethodAttributes.Static, u.Import(typeof(int)), Type.EmptyTypes); if (config.Target == PEFileKinds.WindowApplication && config.UseMta) { mainMethod.SetCustomAttribute(u.Import(typeof(System.MTAThreadAttribute)).GetConstructor(Type.EmptyTypes), new byte[0]); } else if (config.Target == PEFileKinds.WindowApplication) { mainMethod.SetCustomAttribute(u.Import(typeof(System.STAThreadAttribute)).GetConstructor(Type.EmptyTypes), new byte[0]); } gen = mainMethod.GetILGenerator(); // variables for saving original working directory and return code of script var strVar = gen.DeclareLocal(u.Import(typeof(string))); var intVar = gen.DeclareLocal(u.Import(typeof(int))); Label tryStart = gen.BeginExceptionBlock(); // get the ScriptCode assembly... if (config.Embed) { // put the generated DLL into the resources for the stub exe var mem = new MemoryStream(); var rw = new ResourceWriter(mem); rw.AddResource("IPDll." + Path.GetFileNameWithoutExtension(config.Output) + ".dll", File.ReadAllBytes(config.Output + ".dll")); rw.Generate(); mem.Position = 0; mb.DefineManifestResource("IPDll.resources", mem, ResourceAttributes.Public); File.Delete(config.Output + ".dll"); // generate code to load the resource gen.Emit(OpCodes.Ldstr, "IPDll"); gen.EmitCall(OpCodes.Call, u.Import(typeof(System.Reflection.Assembly)).GetMethod("GetEntryAssembly"), Type.EmptyTypes); gen.Emit(OpCodes.Newobj, u.Import(typeof(System.Resources.ResourceManager)).GetConstructor(new IKVM.Reflection.Type[] { u.Import(typeof(string)), u.Import(typeof(System.Reflection.Assembly)) })); gen.Emit(OpCodes.Ldstr, "IPDll." + Path.GetFileNameWithoutExtension(config.Output) + ".dll"); gen.EmitCall(OpCodes.Call, u.Import(typeof(System.Resources.ResourceManager)).GetMethod("GetObject", new IKVM.Reflection.Type[] { u.Import(typeof(string)) }), Type.EmptyTypes); gen.EmitCall(OpCodes.Call, u.Import(typeof(System.Reflection.Assembly)).GetMethod("Load", new IKVM.Reflection.Type[] { u.Import(typeof(byte[])) }), Type.EmptyTypes); } else { // save current working directory gen.EmitCall(OpCodes.Call, u.Import(typeof(System.Environment)).GetMethod("get_CurrentDirectory"), Type.EmptyTypes); gen.Emit(OpCodes.Stloc, strVar); gen.EmitCall(OpCodes.Call, u.Import(typeof(System.Reflection.Assembly)).GetMethod("GetEntryAssembly"), Type.EmptyTypes); gen.EmitCall(OpCodes.Callvirt, u.Import(typeof(System.Reflection.Assembly)).GetMethod("get_Location"), Type.EmptyTypes); gen.Emit(OpCodes.Newobj, u.Import(typeof(System.IO.FileInfo)).GetConstructor(new IKVM.Reflection.Type[] { u.Import(typeof(string)) })); gen.EmitCall(OpCodes.Call, u.Import(typeof(System.IO.FileInfo)).GetMethod("get_Directory"), Type.EmptyTypes); gen.EmitCall(OpCodes.Call, u.Import(typeof(System.IO.DirectoryInfo)).GetMethod("get_FullName"), Type.EmptyTypes); gen.EmitCall(OpCodes.Call, u.Import(typeof(System.Environment)).GetMethod("set_CurrentDirectory"), Type.EmptyTypes); gen.Emit(OpCodes.Ldstr, config.Output + ".dll"); gen.EmitCall(OpCodes.Call, u.Import(typeof(System.IO.Path)).GetMethod("GetFullPath", new IKVM.Reflection.Type[] { u.Import(typeof(string)) }), Type.EmptyTypes); // result of GetFullPath stays on the stack during the restore of the // original working directory // restore original working directory gen.Emit(OpCodes.Ldloc, strVar); gen.EmitCall(OpCodes.Call, u.Import(typeof(System.Environment)).GetMethod("set_CurrentDirectory"), Type.EmptyTypes); // for the LoadFile() call, the full path of the assembly is still is on the stack // as the result from the call to GetFullPath() gen.EmitCall(OpCodes.Call, u.Import(typeof(System.Reflection.Assembly)).GetMethod("LoadFile", new IKVM.Reflection.Type[] { u.Import(typeof(string)) }), Type.EmptyTypes); } // emit module name gen.Emit(OpCodes.Ldstr, "__main__"); // main module name gen.Emit(OpCodes.Ldnull); // no references gen.Emit(OpCodes.Ldc_I4_0); // don't ignore environment variables for engine startup // call InitializeModule // (this will also run the script) // and put the return code on the stack gen.EmitCall(OpCodes.Call, u.Import(typeof(PythonOps)).GetMethod("InitializeModuleEx"), Type.EmptyTypes); gen.Emit(OpCodes.Stloc, intVar); gen.BeginCatchBlock(u.Import(typeof(Exception))); if (config.Target == PEFileKinds.ConsoleApplication) { gen.EmitCall(OpCodes.Callvirt, u.Import(typeof(System.Exception)).GetMethod("get_Message", Type.EmptyTypes), Type.EmptyTypes); gen.Emit(OpCodes.Stloc, strVar); gen.Emit(OpCodes.Ldstr, config.ErrorMessageFormat); gen.Emit(OpCodes.Ldloc, strVar); gen.EmitCall(OpCodes.Call, u.Import(typeof(System.Console)).GetMethod("WriteLine", new IKVM.Reflection.Type[] { u.Import(typeof(string)), u.Import(typeof(string)) }), Type.EmptyTypes); } else { // what do we want to do in the case of a Windows app, show a MessageBox? } gen.Emit(OpCodes.Ldc_I4, -1); // return code is -1 to show failure gen.Emit(OpCodes.Stloc, intVar); gen.EndExceptionBlock(); gen.Emit(OpCodes.Ldloc, intVar); gen.Emit(OpCodes.Ret); tb.CreateType(); ab.SetEntryPoint(mainMethod, config.Target); string fileName = aName.Name.EndsWith(".exe") ? aName.Name : aName.Name + ".exe"; ab.Save(fileName, config.Platform, config.Machine); }
/// <summary> /// Generates the stub .exe file for starting the app /// </summary> /// <param name="config"></param> static void GenerateExe(Config config) { var u = new Universe(); var aName = new AssemblyName(Path.GetFileNameWithoutExtension(new FileInfo(config.Output).Name)); var ab = u.DefineDynamicAssembly(aName, AssemblyBuilderAccess.Save, Path.GetDirectoryName(config.Output)); var mb = ab.DefineDynamicModule(config.Output, aName.Name + (aName.Name.EndsWith(".exe") ? string.Empty : ".exe")); var tb = mb.DefineType("PythonMain", IKVM.Reflection.TypeAttributes.Public); if (!string.IsNullOrEmpty(config.Win32Icon)) { ab.__DefineIconResource(File.ReadAllBytes(config.Win32Icon)); } MethodBuilder assemblyResolveMethod = null; ILGenerator gen = null; if (config.Standalone) { ConsoleOps.Info("Generating stand alone executable"); config.Embed = true; foreach (var a in System.AppDomain.CurrentDomain.GetAssemblies()) { var n = new AssemblyName(a.FullName); if (!a.IsDynamic && a.EntryPoint == null && (n.Name.StartsWith("IronPython") || n.Name == "Microsoft.Dynamic" || n.Name == "Microsoft.Scripting")) { ConsoleOps.Info("\tEmbedded {0} {1}", n.Name, n.Version); var f = new FileStream(a.Location, FileMode.Open, FileAccess.Read); mb.DefineManifestResource("Dll." + n.Name, f, IKVM.Reflection.ResourceAttributes.Public); } } // we currently do no error checking on what is passed in to the assemblyresolve event handler assemblyResolveMethod = tb.DefineMethod("AssemblyResolve", MethodAttributes.Public | MethodAttributes.Static, u.Import(typeof(System.Reflection.Assembly)), new IKVM.Reflection.Type[] { u.Import(typeof(System.Object)), u.Import(typeof(System.ResolveEventArgs)) }); gen = assemblyResolveMethod.GetILGenerator(); var s = gen.DeclareLocal(u.Import(typeof(System.IO.Stream))); // resource stream gen.Emit(OpCodes.Ldnull); gen.Emit(OpCodes.Stloc, s); var d = gen.DeclareLocal(u.Import(typeof(byte[]))); // data buffer; gen.EmitCall(OpCodes.Call, u.Import(typeof(System.Reflection.Assembly)).GetMethod("GetEntryAssembly"), Type.EmptyTypes); gen.Emit(OpCodes.Ldstr, "Dll."); gen.Emit(OpCodes.Ldarg_1); // The event args gen.EmitCall(OpCodes.Callvirt, u.Import(typeof(System.ResolveEventArgs)).GetMethod("get_Name"), Type.EmptyTypes); gen.Emit(OpCodes.Newobj, u.Import(typeof(System.Reflection.AssemblyName)).GetConstructor(new IKVM.Reflection.Type[] { u.Import(typeof(string)) })); gen.EmitCall(OpCodes.Call, u.Import(typeof(System.Reflection.AssemblyName)).GetMethod("get_Name"), Type.EmptyTypes); gen.EmitCall(OpCodes.Call, u.Import(typeof(string)).GetMethod("Concat", new IKVM.Reflection.Type[] { u.Import(typeof(string)), u.Import(typeof(string)) }), Type.EmptyTypes); gen.EmitCall(OpCodes.Callvirt, u.Import(typeof(System.Reflection.Assembly)).GetMethod("GetManifestResourceStream", new IKVM.Reflection.Type[] { u.Import(typeof(string)) }), Type.EmptyTypes); gen.Emit(OpCodes.Stloc, s); gen.Emit(OpCodes.Ldloc, s); gen.EmitCall(OpCodes.Callvirt, u.Import(typeof(System.IO.Stream)).GetMethod("get_Length"), Type.EmptyTypes); gen.Emit(OpCodes.Newarr, u.Import(typeof(System.Byte))); gen.Emit(OpCodes.Stloc, d); gen.Emit(OpCodes.Ldloc, s); gen.Emit(OpCodes.Ldloc, d); gen.Emit(OpCodes.Ldc_I4_0); gen.Emit(OpCodes.Ldloc, s); gen.EmitCall(OpCodes.Callvirt, u.Import(typeof(System.IO.Stream)).GetMethod("get_Length"), Type.EmptyTypes); gen.Emit(OpCodes.Conv_I4); gen.EmitCall(OpCodes.Callvirt, u.Import(typeof(System.IO.Stream)).GetMethod("Read", new IKVM.Reflection.Type[] { u.Import(typeof(byte[])), u.Import(typeof(int)), u.Import(typeof(int)) }), Type.EmptyTypes); gen.Emit(OpCodes.Pop); gen.Emit(OpCodes.Ldloc, d); gen.EmitCall(OpCodes.Call, u.Import(typeof(System.Reflection.Assembly)).GetMethod("Load", new IKVM.Reflection.Type[] { u.Import(typeof(byte[])) }), Type.EmptyTypes); gen.Emit(OpCodes.Ret); // generate a static constructor to assign the AssemblyResolve handler (otherwise it tries to use IronPython before it adds the handler) // the other way of handling this would be to move the call to InitializeModule into a separate method. var staticConstructor = tb.DefineConstructor(MethodAttributes.Public | MethodAttributes.Static, CallingConventions.Standard, Type.EmptyTypes); gen = staticConstructor.GetILGenerator(); gen.EmitCall(OpCodes.Call, u.Import(typeof(System.AppDomain)).GetMethod("get_CurrentDomain"), Type.EmptyTypes); gen.Emit(OpCodes.Ldnull); gen.Emit(OpCodes.Ldftn, assemblyResolveMethod); gen.Emit(OpCodes.Newobj, u.Import(typeof(System.ResolveEventHandler)).GetConstructor(new IKVM.Reflection.Type[] { u.Import(typeof(object)), u.Import(typeof(System.IntPtr)) })); gen.EmitCall(OpCodes.Callvirt, u.Import(typeof(System.AppDomain)).GetMethod("add_AssemblyResolve"), Type.EmptyTypes); gen.Emit(OpCodes.Ret); } var mainMethod = tb.DefineMethod("Main", MethodAttributes.Public | MethodAttributes.Static, u.Import(typeof(int)), Type.EmptyTypes); if (config.Target == PEFileKinds.WindowApplication && config.UseMta) { mainMethod.SetCustomAttribute(u.Import(typeof(System.MTAThreadAttribute)).GetConstructor(Type.EmptyTypes), new byte[0]); } else if (config.Target == PEFileKinds.WindowApplication) { mainMethod.SetCustomAttribute(u.Import(typeof(System.STAThreadAttribute)).GetConstructor(Type.EmptyTypes), new byte[0]); } gen = mainMethod.GetILGenerator(); // variables for saving original working directory and return code of script var strVar = gen.DeclareLocal(u.Import(typeof(string))); var intVar = gen.DeclareLocal(u.Import(typeof(int))); LocalBuilder dictVar = null; if (config.PythonOptions.Count > 0) { var True = u.Import(typeof(ScriptingRuntimeHelpers)).GetField("True"); var False = u.Import(typeof(ScriptingRuntimeHelpers)).GetField("False"); dictVar = gen.DeclareLocal(u.Import(typeof(Dictionary <string, object>))); gen.Emit(OpCodes.Newobj, u.Import(typeof(Dictionary <string, object>)).GetConstructor(Type.EmptyTypes)); gen.Emit(OpCodes.Stloc, dictVar); foreach (var option in config.PythonOptions) { gen.Emit(OpCodes.Ldloc, dictVar); gen.Emit(OpCodes.Ldstr, option.Key); if (option.Value is int) { int val = (int)option.Value; if (val >= -128 && val <= 127) { gen.Emit(OpCodes.Ldc_I4_S, val); // this is more optimized } else { gen.Emit(OpCodes.Ldc_I4, val); } gen.Emit(OpCodes.Box, u.Import(typeof(System.Int32))); } else if (option.Value.Equals(ScriptingRuntimeHelpers.True)) { gen.Emit(OpCodes.Ldsfld, True); } else if (option.Value.Equals(ScriptingRuntimeHelpers.False)) { gen.Emit(OpCodes.Ldsfld, False); } gen.EmitCall(OpCodes.Callvirt, u.Import(typeof(Dictionary <string, object>)).GetMethod("Add", new IKVM.Reflection.Type[] { u.Import(typeof(string)), u.Import(typeof(object)) }), Type.EmptyTypes); } } Label tryStart = gen.BeginExceptionBlock(); // get the ScriptCode assembly... if (config.Embed) { // put the generated DLL into the resources for the stub exe var mem = new MemoryStream(); var rw = new ResourceWriter(mem); rw.AddResource("IPDll." + Path.GetFileNameWithoutExtension(config.Output) + ".dll", File.ReadAllBytes(config.Output + ".dll")); rw.Generate(); mem.Position = 0; mb.DefineManifestResource("IPDll.resources", mem, ResourceAttributes.Public); File.Delete(config.Output + ".dll"); // generate code to load the resource gen.Emit(OpCodes.Ldstr, "IPDll"); gen.EmitCall(OpCodes.Call, u.Import(typeof(System.Reflection.Assembly)).GetMethod("GetEntryAssembly"), Type.EmptyTypes); gen.Emit(OpCodes.Newobj, u.Import(typeof(System.Resources.ResourceManager)).GetConstructor(new IKVM.Reflection.Type[] { u.Import(typeof(string)), u.Import(typeof(System.Reflection.Assembly)) })); gen.Emit(OpCodes.Ldstr, "IPDll." + Path.GetFileNameWithoutExtension(config.Output) + ".dll"); gen.EmitCall(OpCodes.Call, u.Import(typeof(System.Resources.ResourceManager)).GetMethod("GetObject", new IKVM.Reflection.Type[] { u.Import(typeof(string)) }), Type.EmptyTypes); gen.EmitCall(OpCodes.Call, u.Import(typeof(System.Reflection.Assembly)).GetMethod("Load", new IKVM.Reflection.Type[] { u.Import(typeof(byte[])) }), Type.EmptyTypes); } else { // save current working directory gen.EmitCall(OpCodes.Call, u.Import(typeof(System.Environment)).GetMethod("get_CurrentDirectory"), Type.EmptyTypes); gen.Emit(OpCodes.Stloc, strVar); gen.EmitCall(OpCodes.Call, u.Import(typeof(System.Reflection.Assembly)).GetMethod("GetEntryAssembly"), Type.EmptyTypes); gen.EmitCall(OpCodes.Callvirt, u.Import(typeof(System.Reflection.Assembly)).GetMethod("get_Location"), Type.EmptyTypes); gen.Emit(OpCodes.Newobj, u.Import(typeof(System.IO.FileInfo)).GetConstructor(new IKVM.Reflection.Type[] { u.Import(typeof(string)) })); gen.EmitCall(OpCodes.Call, u.Import(typeof(System.IO.FileInfo)).GetMethod("get_Directory"), Type.EmptyTypes); gen.EmitCall(OpCodes.Call, u.Import(typeof(System.IO.DirectoryInfo)).GetMethod("get_FullName"), Type.EmptyTypes); gen.EmitCall(OpCodes.Call, u.Import(typeof(System.Environment)).GetMethod("set_CurrentDirectory"), Type.EmptyTypes); gen.Emit(OpCodes.Ldstr, config.Output + ".dll"); gen.EmitCall(OpCodes.Call, u.Import(typeof(System.IO.Path)).GetMethod("GetFullPath", new IKVM.Reflection.Type[] { u.Import(typeof(string)) }), Type.EmptyTypes); // result of GetFullPath stays on the stack during the restore of the // original working directory // restore original working directory gen.Emit(OpCodes.Ldloc, strVar); gen.EmitCall(OpCodes.Call, u.Import(typeof(System.Environment)).GetMethod("set_CurrentDirectory"), Type.EmptyTypes); // for the LoadFile() call, the full path of the assembly is still is on the stack // as the result from the call to GetFullPath() gen.EmitCall(OpCodes.Call, u.Import(typeof(System.Reflection.Assembly)).GetMethod("LoadFile", new IKVM.Reflection.Type[] { u.Import(typeof(string)) }), Type.EmptyTypes); } // emit module name gen.Emit(OpCodes.Ldstr, "__main__"); // main module name gen.Emit(OpCodes.Ldnull); // no references gen.Emit(OpCodes.Ldc_I4_0); // don't ignore environment variables for engine startup if (config.PythonOptions.Count > 0) { gen.Emit(OpCodes.Ldloc, dictVar); } else { gen.Emit(OpCodes.Ldnull); } // call InitializeModuleEx // (this will also run the script) // and put the return code on the stack gen.EmitCall(OpCodes.Call, u.Import(typeof(PythonOps)).GetMethod("InitializeModuleEx", new IKVM.Reflection.Type[] { u.Import(typeof(System.Reflection.Assembly)), u.Import(typeof(string)), u.Import(typeof(string[])), u.Import(typeof(bool)), u.Import(typeof(Dictionary <string, object>)) }), Type.EmptyTypes); gen.Emit(OpCodes.Stloc, intVar); gen.BeginCatchBlock(u.Import(typeof(Exception))); if (config.Target == PEFileKinds.ConsoleApplication) { gen.EmitCall(OpCodes.Callvirt, u.Import(typeof(System.Exception)).GetMethod("get_Message", Type.EmptyTypes), Type.EmptyTypes); gen.Emit(OpCodes.Stloc, strVar); gen.Emit(OpCodes.Ldstr, config.ErrorMessageFormat); gen.Emit(OpCodes.Ldloc, strVar); gen.EmitCall(OpCodes.Call, u.Import(typeof(System.Console)).GetMethod("WriteLine", new IKVM.Reflection.Type[] { u.Import(typeof(string)), u.Import(typeof(string)) }), Type.EmptyTypes); } else { gen.EmitCall(OpCodes.Callvirt, u.Import(typeof(System.Exception)).GetMethod("get_Message", Type.EmptyTypes), Type.EmptyTypes); gen.Emit(OpCodes.Stloc, strVar); gen.Emit(OpCodes.Ldstr, config.ErrorMessageFormat); gen.Emit(OpCodes.Ldloc, strVar); gen.EmitCall(OpCodes.Call, u.Import(typeof(string)).GetMethod("Format", new IKVM.Reflection.Type[] { u.Import(typeof(string)), u.Import(typeof(string)) }), Type.EmptyTypes); gen.Emit(OpCodes.Ldstr, "Error"); gen.Emit(OpCodes.Ldc_I4, (int)System.Windows.Forms.MessageBoxButtons.OK); gen.Emit(OpCodes.Ldc_I4, (int)System.Windows.Forms.MessageBoxIcon.Error); gen.EmitCall(OpCodes.Call, u.Import(typeof(System.Windows.Forms.MessageBox)).GetMethod("Show", new IKVM.Reflection.Type[] { u.Import(typeof(string)), u.Import(typeof(string)), u.Import(typeof(System.Windows.Forms.MessageBoxButtons)), u.Import(typeof(System.Windows.Forms.MessageBoxIcon)) }), Type.EmptyTypes); gen.Emit(OpCodes.Pop); } gen.Emit(OpCodes.Ldc_I4, -1); // return code is -1 to show failure gen.Emit(OpCodes.Stloc, intVar); gen.EndExceptionBlock(); gen.Emit(OpCodes.Ldloc, intVar); gen.Emit(OpCodes.Ret); tb.CreateType(); ab.SetEntryPoint(mainMethod, config.Target); string fileName = aName.Name.EndsWith(".exe") ? aName.Name : aName.Name + ".exe"; ab.Save(fileName, config.Platform, config.Machine); }