Code:
/ 4.0 / 4.0 / DEVDIV_TFS / Dev10 / Releases / RTMRel / ndp / fx / src / Core / Microsoft / Scripting / Compiler / AssemblyGen.cs / 1407647 / AssemblyGen.cs
/* **************************************************************************** * * Copyright (c) Microsoft Corporation. * * This source code is subject to terms and conditions of the Microsoft Public License. A * copy of the license can be found in the License.html file at the root of this distribution. If * you cannot locate the Microsoft Public License, please send an email to * dlr@microsoft.com. By using this source code in any fashion, you are agreeing to be bound * by the terms of the Microsoft Public License. * * You must not remove this notice, or any other, from this software. * * * ***************************************************************************/ using System.Collections.Generic; using System.Dynamic.Utils; using System.IO; using System.Reflection; using System.Reflection.Emit; using System.Security; using System.Text; using System.Threading; namespace System.Linq.Expressions.Compiler { internal sealed class AssemblyGen { private static AssemblyGen _assembly; // Testing options. Only ever set in MICROSOFT_SCRIPTING_CORE build // configurations, see SetSaveAssemblies #if MICROSOFT_SCRIPTING_CORE private static string _saveAssembliesPath; private static bool _saveAssemblies; #endif private readonly AssemblyBuilder _myAssembly; private readonly ModuleBuilder _myModule; #if MICROSOFT_SCRIPTING_CORE && !SILVERLIGHT private readonly string _outFileName; // can be null iff !SaveAndReloadAssemblies private readonly string _outDir; // null means the current directory #endif private int _index; private static AssemblyGen Assembly { get { if (_assembly == null) { Interlocked.CompareExchange(ref _assembly, new AssemblyGen(), null); } return _assembly; } } private AssemblyGen() { var name = new AssemblyName("Snippets"); #if SILVERLIGHT // AssemblyBuilderAccess.RunAndSave, Environment.CurrentDirectory _myAssembly = AppDomain.CurrentDomain.DefineDynamicAssembly(name, AssemblyBuilderAccess.Run); _myModule = _myAssembly.DefineDynamicModule(name.Name, false); #else // mark the assembly transparent so that it works in partial trust: var attributes = new[] { new CustomAttributeBuilder(typeof(SecurityTransparentAttribute).GetConstructor(Type.EmptyTypes), new object[0]) }; #if MICROSOFT_SCRIPTING_CORE if (_saveAssemblies) { string outDir = _saveAssembliesPath ?? Directory.GetCurrentDirectory(); try { outDir = Path.GetFullPath(outDir); } catch (Exception) { throw Error.InvalidOutputDir(); } try { Path.Combine(outDir, name.Name + ".dll"); } catch (ArgumentException) { throw Error.InvalidAsmNameOrExtension(); } _outFileName = name.Name + ".dll"; _outDir = outDir; _myAssembly = AppDomain.CurrentDomain.DefineDynamicAssembly(name, AssemblyBuilderAccess.RunAndSave, outDir, false, attributes); _myModule = _myAssembly.DefineDynamicModule(name.Name, _outFileName, false); } else #endif { _myAssembly = AppDomain.CurrentDomain.DefineDynamicAssembly(name, AssemblyBuilderAccess.Run, attributes); _myModule = _myAssembly.DefineDynamicModule(name.Name, false); } _myAssembly.DefineVersionInfoResource(); #endif } private TypeBuilder DefineType(string name, Type parent, TypeAttributes attr) { ContractUtils.RequiresNotNull(name, "name"); ContractUtils.RequiresNotNull(parent, "parent"); StringBuilder sb = new StringBuilder(name); int index = Interlocked.Increment(ref _index); sb.Append("$"); sb.Append(index); // There is a bug in Reflection.Emit that leads to // Unhandled Exception: System.Runtime.InteropServices.COMException (0x80131130): Record not found on lookup. // if there is any of the characters []*&+,\ in the type name and a method defined on the type is called. sb.Replace('+', '_').Replace('[', '_').Replace(']', '_').Replace('*', '_').Replace('&', '_').Replace(',', '_').Replace('\\', '_'); name = sb.ToString(); return _myModule.DefineType(name, attr, parent); } internal static TypeBuilder DefineDelegateType(string name) { return Assembly.DefineType( name, typeof(MulticastDelegate), TypeAttributes.Class | TypeAttributes.Public | TypeAttributes.Sealed | TypeAttributes.AnsiClass | TypeAttributes.AutoClass ); } #if MICROSOFT_SCRIPTING_CORE //Return the location of the saved assembly file. //The file location is used by PE verification in Microsoft.Scripting. [System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Performance", "CA1811:AvoidUncalledPrivateCode")] internal string SaveAssembly() { #if !SILVERLIGHT // AssemblyBuilder.Save _myAssembly.Save(_outFileName, PortableExecutableKinds.ILOnly, ImageFileMachine.I386); return Path.Combine(_outDir, _outFileName); #else return null; #endif } // NOTE: this method is called through reflection from Microsoft.Scripting [System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Performance", "CA1811:AvoidUncalledPrivateCode")] internal static void SetSaveAssemblies(bool enable, string directory) { _saveAssemblies = enable; _saveAssembliesPath = directory; } // NOTE: this method is called through reflection from Microsoft.Scripting [System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Performance", "CA1811:AvoidUncalledPrivateCode")] internal static string[] SaveAssembliesToDisk() { if (!_saveAssemblies) { return new string[0]; } var assemlyLocations = new List(); // first save all assemblies to disk: if (_assembly != null) { string assemblyLocation = _assembly.SaveAssembly(); if (assemblyLocation != null) { assemlyLocations.Add(assemblyLocation); } _assembly = null; } return assemlyLocations.ToArray(); } #endif } internal static class SymbolGuids { internal static readonly Guid DocumentType_Text = new Guid(0x5a869d0b, 0x6611, 0x11d3, 0xbd, 0x2a, 0, 0, 0xf8, 8, 0x49, 0xbd); } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007. // Copyright (c) Microsoft Corporation. All rights reserved. /* **************************************************************************** * * Copyright (c) Microsoft Corporation. * * This source code is subject to terms and conditions of the Microsoft Public License. A * copy of the license can be found in the License.html file at the root of this distribution. If * you cannot locate the Microsoft Public License, please send an email to * dlr@microsoft.com. By using this source code in any fashion, you are agreeing to be bound * by the terms of the Microsoft Public License. * * You must not remove this notice, or any other, from this software. * * * ***************************************************************************/ using System.Collections.Generic; using System.Dynamic.Utils; using System.IO; using System.Reflection; using System.Reflection.Emit; using System.Security; using System.Text; using System.Threading; namespace System.Linq.Expressions.Compiler { internal sealed class AssemblyGen { private static AssemblyGen _assembly; // Testing options. Only ever set in MICROSOFT_SCRIPTING_CORE build // configurations, see SetSaveAssemblies #if MICROSOFT_SCRIPTING_CORE private static string _saveAssembliesPath; private static bool _saveAssemblies; #endif private readonly AssemblyBuilder _myAssembly; private readonly ModuleBuilder _myModule; #if MICROSOFT_SCRIPTING_CORE && !SILVERLIGHT private readonly string _outFileName; // can be null iff !SaveAndReloadAssemblies private readonly string _outDir; // null means the current directory #endif private int _index; private static AssemblyGen Assembly { get { if (_assembly == null) { Interlocked.CompareExchange(ref _assembly, new AssemblyGen(), null); } return _assembly; } } private AssemblyGen() { var name = new AssemblyName("Snippets"); #if SILVERLIGHT // AssemblyBuilderAccess.RunAndSave, Environment.CurrentDirectory _myAssembly = AppDomain.CurrentDomain.DefineDynamicAssembly(name, AssemblyBuilderAccess.Run); _myModule = _myAssembly.DefineDynamicModule(name.Name, false); #else // mark the assembly transparent so that it works in partial trust: var attributes = new[] { new CustomAttributeBuilder(typeof(SecurityTransparentAttribute).GetConstructor(Type.EmptyTypes), new object[0]) }; #if MICROSOFT_SCRIPTING_CORE if (_saveAssemblies) { string outDir = _saveAssembliesPath ?? Directory.GetCurrentDirectory(); try { outDir = Path.GetFullPath(outDir); } catch (Exception) { throw Error.InvalidOutputDir(); } try { Path.Combine(outDir, name.Name + ".dll"); } catch (ArgumentException) { throw Error.InvalidAsmNameOrExtension(); } _outFileName = name.Name + ".dll"; _outDir = outDir; _myAssembly = AppDomain.CurrentDomain.DefineDynamicAssembly(name, AssemblyBuilderAccess.RunAndSave, outDir, false, attributes); _myModule = _myAssembly.DefineDynamicModule(name.Name, _outFileName, false); } else #endif { _myAssembly = AppDomain.CurrentDomain.DefineDynamicAssembly(name, AssemblyBuilderAccess.Run, attributes); _myModule = _myAssembly.DefineDynamicModule(name.Name, false); } _myAssembly.DefineVersionInfoResource(); #endif } private TypeBuilder DefineType(string name, Type parent, TypeAttributes attr) { ContractUtils.RequiresNotNull(name, "name"); ContractUtils.RequiresNotNull(parent, "parent"); StringBuilder sb = new StringBuilder(name); int index = Interlocked.Increment(ref _index); sb.Append("$"); sb.Append(index); // There is a bug in Reflection.Emit that leads to // Unhandled Exception: System.Runtime.InteropServices.COMException (0x80131130): Record not found on lookup. // if there is any of the characters []*&+,\ in the type name and a method defined on the type is called. sb.Replace('+', '_').Replace('[', '_').Replace(']', '_').Replace('*', '_').Replace('&', '_').Replace(',', '_').Replace('\\', '_'); name = sb.ToString(); return _myModule.DefineType(name, attr, parent); } internal static TypeBuilder DefineDelegateType(string name) { return Assembly.DefineType( name, typeof(MulticastDelegate), TypeAttributes.Class | TypeAttributes.Public | TypeAttributes.Sealed | TypeAttributes.AnsiClass | TypeAttributes.AutoClass ); } #if MICROSOFT_SCRIPTING_CORE //Return the location of the saved assembly file. //The file location is used by PE verification in Microsoft.Scripting. [System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Performance", "CA1811:AvoidUncalledPrivateCode")] internal string SaveAssembly() { #if !SILVERLIGHT // AssemblyBuilder.Save _myAssembly.Save(_outFileName, PortableExecutableKinds.ILOnly, ImageFileMachine.I386); return Path.Combine(_outDir, _outFileName); #else return null; #endif } // NOTE: this method is called through reflection from Microsoft.Scripting [System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Performance", "CA1811:AvoidUncalledPrivateCode")] internal static void SetSaveAssemblies(bool enable, string directory) { _saveAssemblies = enable; _saveAssembliesPath = directory; } // NOTE: this method is called through reflection from Microsoft.Scripting [System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Performance", "CA1811:AvoidUncalledPrivateCode")] internal static string[] SaveAssembliesToDisk() { if (!_saveAssemblies) { return new string[0]; } var assemlyLocations = new List (); // first save all assemblies to disk: if (_assembly != null) { string assemblyLocation = _assembly.SaveAssembly(); if (assemblyLocation != null) { assemlyLocations.Add(assemblyLocation); } _assembly = null; } return assemlyLocations.ToArray(); } #endif } internal static class SymbolGuids { internal static readonly Guid DocumentType_Text = new Guid(0x5a869d0b, 0x6611, 0x11d3, 0xbd, 0x2a, 0, 0, 0xf8, 8, 0x49, 0xbd); } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007. // Copyright (c) Microsoft Corporation. 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