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//------------------------------------------------------------------------------
// <copyright file="RedistVersionInfo.cs" company="Microsoft">
//
// <OWNER>Microsoft</OWNER>
// Copyright (c) Microsoft Corporation. All rights reserved.
// </copyright>
//------------------------------------------------------------------------------
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<string, string> 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;
}
}
}
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