Code:
/ 4.0 / 4.0 / untmp / DEVDIV_TFS / Dev10 / Releases / RTMRel / ndp / cdf / src / WF / Activities / Common / CompilerHelpers.cs / 1305376 / CompilerHelpers.cs
// Copyright (c) Microsoft Corporation. All rights reserved. // // THIS CODE AND INFORMATION IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND, // WHETHER EXPRESSED OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE IMPLIED // WARRANTIES OF MERCHANTABILITY AND/OR FITNESS FOR A PARTICULAR PURPOSE. // THE ENTIRE RISK OF USE OR RESULTS IN CONNECTION WITH THE USE OF THIS CODE // AND INFORMATION REMAINS WITH THE USER. // /********************************************************************** * NOTE: A copy of this file exists at: WF\Common\Shared * The two files must be kept in [....]. Any change made here must also * be made to WF\Common\Shared\CompilerHelpers.cs *********************************************************************/ namespace System.Workflow.Activities.Common { using System; using System.Collections; using System.Collections.Specialized; using System.Collections.Generic; using System.CodeDom; using System.CodeDom.Compiler; using System.Workflow.ComponentModel; using Microsoft.CSharp; using Microsoft.VisualBasic; using System.Reflection; using Microsoft.Win32; using System.Security; using System.ComponentModel; using System.IO; using System.Diagnostics.CodeAnalysis; using System.Workflow.ComponentModel.Compiler; internal enum SupportedLanguages { VB, CSharp } internal static class CompilerHelpers { private const string CompilerVersionKeyword = "CompilerVersion"; private static Dictionary> providers = null; private static object providersLock = new object(); [SuppressMessage("Microsoft.Performance", "CA1811:AvoidUncalledPrivateCode")] internal static CodeDomProvider CreateCodeProviderInstance(Type type) { return CreateCodeProviderInstance(type, string.Empty); } [SuppressMessage("Microsoft.Performance", "CA1811:AvoidUncalledPrivateCode")] internal static CodeDomProvider CreateCodeProviderInstance(Type type, string compilerVersion) { CodeDomProvider provider = null; if (string.IsNullOrEmpty(compilerVersion)) { if (type == typeof(CSharpCodeProvider)) provider = new CSharpCodeProvider(); else if (type == typeof(VBCodeProvider)) provider = new VBCodeProvider(); else provider = (CodeDomProvider)Activator.CreateInstance(type); } else { //otherwise pass the compiler version parameter into it Dictionary options = new Dictionary (); options.Add(CompilerHelpers.CompilerVersionKeyword, compilerVersion); provider = (CodeDomProvider)Activator.CreateInstance(type, new object[] { options }); } return provider; } [SuppressMessage("Microsoft.Performance", "CA1811:AvoidUncalledPrivateCode")] static CodeDomProvider GetCodeProviderInstance(Type type, string compilerVersion) { CodeDomProvider provider; lock (providersLock) { if (providers == null) { providers = new Dictionary >(); } Dictionary typedProviders; if (!providers.TryGetValue(type, out typedProviders)) { typedProviders = new Dictionary (); providers.Add(type, typedProviders); } if (!typedProviders.TryGetValue(compilerVersion, out provider)) { provider = CreateCodeProviderInstance(type, compilerVersion); typedProviders.Add(compilerVersion, provider); } } return provider; } [SuppressMessage("Microsoft.Performance", "CA1811:AvoidUncalledPrivateCode")] internal static CodeDomProvider GetCodeDomProvider(SupportedLanguages language) { return CompilerHelpers.GetCodeDomProvider(language, string.Empty); } [SuppressMessage("Microsoft.Performance", "CA1811:AvoidUncalledPrivateCode")] internal static CodeDomProvider GetCodeDomProvider(SupportedLanguages language, string compilerVersion) { if (language == SupportedLanguages.CSharp) { return GetCodeProviderInstance(typeof(CSharpCodeProvider), compilerVersion); } else { return GetCodeProviderInstance(typeof(VBCodeProvider), compilerVersion); } } [SuppressMessage("Microsoft.Performance", "CA1811:AvoidUncalledPrivateCode")] internal static SupportedLanguages GetSupportedLanguage(IServiceProvider serviceProvider) { SupportedLanguages supportedLanguage = SupportedLanguages.CSharp; IWorkflowCompilerOptionsService workflowCompilerOptions = serviceProvider.GetService(typeof(IWorkflowCompilerOptionsService)) as IWorkflowCompilerOptionsService; if (workflowCompilerOptions != null) supportedLanguage = GetSupportedLanguage(workflowCompilerOptions.Language); return supportedLanguage; } [SuppressMessage("Microsoft.Performance", "CA1811:AvoidUncalledPrivateCode")] internal static SupportedLanguages GetSupportedLanguage(string language) { SupportedLanguages supportedLanguage = SupportedLanguages.CSharp; if (!String.IsNullOrEmpty(language) && (string.Compare(language, "VB", StringComparison.OrdinalIgnoreCase) == 0 || string.Compare(language, "VisualBasic", StringComparison.OrdinalIgnoreCase) == 0)) supportedLanguage = SupportedLanguages.VB; return supportedLanguage; } } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007.
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