Code:
/ 4.0 / 4.0 / untmp / DEVDIV_TFS / Dev10 / Releases / RTMRel / ndp / fx / src / CompMod / System / CodeDOM / Compiler / RedistVersionInfo.cs / 1305376 / RedistVersionInfo.cs
//------------------------------------------------------------------------------ //// // //----------------------------------------------------------------------------- namespace System.CodeDom.Compiler { using System; using System.Diagnostics; using System.IO; using System.CodeDom.Compiler; using System.Configuration; using System.Collections.Generic; using Microsoft.Win32; // The default compiler is the one corresponding to the current-running version of the runtime. // Customers can choose to use a different one by setting a provider option. internal static class RedistVersionInfo { // Version identifier added for Dev10. Takes the full path, doesn't depend on registry key internal const String DirectoryPath = "CompilerDirectoryPath"; // location // Version identifier added for Orcas. Depends on registry key. internal const String NameTag = "CompilerVersion"; // name of the tag for specifying the version internal const String DefaultVersion = InPlaceVersion; // should match one of the versions below internal const String InPlaceVersion = "v4.0"; // Default internal const String RedistVersion = "v3.5"; // May change with servicing internal const String RedistVersion20= "v2.0"; private const string MSBuildToolsPath = "MSBuildToolsPath"; private const string dotNetFrameworkRegistryPath = "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\MSBuild\\ToolsVersions\\"; public static string GetCompilerPath(IDictionary[....] // Copyright (c) Microsoft Corporation. All rights reserved. //provOptions, string compilerExecutable) { // Get the location of the runtime, the usual answer string compPath = Executor.GetRuntimeInstallDirectory(); // if provOptions is provided check to see if it alters what version we should bind to. // provOptions can be null if someone does new VB/CSCodeProvider(), in which case // they get the default behavior. if (provOptions != null) { string directoryPath; bool directoryPathPresent = provOptions.TryGetValue(DirectoryPath, out directoryPath); string versionVal; bool versionValPresent = provOptions.TryGetValue(NameTag, out versionVal); if(directoryPathPresent && versionValPresent) { throw new InvalidOperationException(SR.GetString(SR.Cannot_Specify_Both_Compiler_Path_And_Version, DirectoryPath, NameTag)); } // If they have an explicit path, use it. Otherwise, look it up from the registry. if (directoryPathPresent) { return directoryPath; } // If they have specified a version number in providerOptions, use it. if (versionValPresent) { switch (versionVal) { case RedistVersionInfo.InPlaceVersion: // Use the RuntimeInstallDirectory, already obtained break; case RedistVersionInfo.RedistVersion: // lock to the Orcas version, if it's not available throw (we'll throw at compile time) compPath = GetCompilerPathFromRegistry(versionVal); break; case RedistVersionInfo.RedistVersion20: //look up 2.0 compiler path from registry compPath = GetCompilerPathFromRegistry(versionVal); break; default: compPath = null; break; } } } if (compPath == null) throw new InvalidOperationException(SR.GetString(SR.CompilerNotFound, compilerExecutable)); return compPath; } /// this method returns the location of the Orcas compilers, but will return whatever /// version is requested via the COMPlus_ environment variables first private static string GetCompilerPathFromRegistry(String versionVal) { string dir = null; // if this is running in a private running environment such as Razzle, we would use the path // based on the environment variables: COMPLUS_InstallRoot and COMPLUS_Version. string comPlus_InstallRoot = Environment.GetEnvironmentVariable("COMPLUS_InstallRoot"); string comPlus_Version = Environment.GetEnvironmentVariable("COMPLUS_Version"); if (!string.IsNullOrEmpty(comPlus_InstallRoot) && !string.IsNullOrEmpty(comPlus_Version)) { dir = Path.Combine(comPlus_InstallRoot, comPlus_Version); if (Directory.Exists(dir)) return dir; } String versionWithoutV = versionVal.Substring(1); String registryPath = dotNetFrameworkRegistryPath + versionWithoutV; dir = Registry.GetValue(registryPath, MSBuildToolsPath, null) as string; if (dir != null && Directory.Exists(dir)) { return dir; } return null; } } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007.
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