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FrameworkLocationHelper.cs
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FrameworkLocationHelper.cs
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// Copyright (c) Microsoft. All rights reserved.
// Licensed under the MIT license. See LICENSE file in the project root for full license information.
using System;
using System.Collections.Concurrent;
using System.Collections.Generic;
#if FEATURE_SYSTEM_CONFIGURATION
using System.Configuration;
#endif
using System.IO;
using System.Linq;
using System.Runtime.Versioning;
using Microsoft.Build.Evaluation;
using Microsoft.Win32;
#if FEATURE_SYSTEM_CONFIGURATION
using PropertyElement = Microsoft.Build.Evaluation.ToolsetElement.PropertyElement;
#endif
using System.Reflection;
using System.Runtime.InteropServices;
namespace Microsoft.Build.Shared
{
/// <summary>
/// Used to specify the targeted bitness of the .NET Framework for some methods of FrameworkLocationHelper
/// </summary>
internal enum DotNetFrameworkArchitecture
{
/// <summary>
/// Indicates the .NET Framework that is currently being run under.
/// </summary>
Current = 0,
/// <summary>
/// Indicates the 32-bit .NET Framework
/// </summary>
Bitness32 = 1,
/// <summary>
/// Indicates the 64-bit .NET Framework
/// </summary>
Bitness64 = 2
}
/// <summary>
/// FrameworkLocationHelper provides utility methods for locating .NET Framework and .NET Framework SDK directories and files
/// </summary>
internal static class FrameworkLocationHelper
{
#region Constants
internal const string dotNetFrameworkIdentifier = ".NETFramework";
// .net versions.
internal static readonly Version dotNetFrameworkVersion11 = new Version(1, 1);
internal static readonly Version dotNetFrameworkVersion20 = new Version(2, 0);
internal static readonly Version dotNetFrameworkVersion30 = new Version(3, 0);
internal static readonly Version dotNetFrameworkVersion35 = new Version(3, 5);
internal static readonly Version dotNetFrameworkVersion40 = new Version(4, 0);
internal static readonly Version dotNetFrameworkVersion45 = new Version(4, 5);
internal static readonly Version dotNetFrameworkVersion451 = new Version(4, 5, 1);
internal static readonly Version dotNetFrameworkVersion452 = new Version(4, 5, 2);
internal static readonly Version dotNetFrameworkVersion46 = new Version(4, 6);
internal static readonly Version dotNetFrameworkVersion461 = new Version(4, 6, 1);
internal static readonly Version dotNetFrameworkVersion462 = new Version(4, 6, 2);
// visual studio versions.
internal static readonly Version visualStudioVersion100 = new Version(10, 0);
internal static readonly Version visualStudioVersion110 = new Version(11, 0);
internal static readonly Version visualStudioVersion120 = new Version(12, 0);
internal static readonly Version visualStudioVersion140 = new Version(14, 0);
internal static readonly Version visualStudioVersion150 = new Version(15, 0);
// keep this up-to-date; always point to the latest visual studio version.
internal static readonly Version visualStudioVersionLatest = visualStudioVersion150;
private const string dotNetFrameworkRegistryPath = "SOFTWARE\\Microsoft\\.NETFramework";
private const string dotNetFrameworkSetupRegistryPath = "SOFTWARE\\Microsoft\\NET Framework Setup\\NDP";
private const string dotNetFrameworkSetupRegistryInstalledName = "Install";
internal const string fullDotNetFrameworkRegistryKey = "HKEY_LOCAL_MACHINE\\" + dotNetFrameworkRegistryPath;
private const string dotNetFrameworkAssemblyFoldersRegistryPath = dotNetFrameworkRegistryPath + "\\AssemblyFolders";
private const string referenceAssembliesRegistryValueName = "All Assemblies In";
internal const string dotNetFrameworkSdkInstallKeyValueV11 = "SDKInstallRootv1.1";
internal static string dotNetFrameworkVersionFolderPrefixV11 = NativeMethodsShared.IsWindows ? "v1.1" : "1.1"; // v1.1 is for Everett.
private const string dotNetFrameworkVersionV11 = "v1.1.4322"; // full Everett version to pass to NativeMethodsShared.GetRequestedRuntimeInfo().
private const string dotNetFrameworkRegistryKeyV11 = dotNetFrameworkSetupRegistryPath + "\\" + dotNetFrameworkVersionV11;
internal const string dotNetFrameworkSdkInstallKeyValueV20 = "SDKInstallRootv2.0";
internal static string dotNetFrameworkVersionFolderPrefixV20 = NativeMethodsShared.IsWindows ? "v2.0" : "2.0"; // v2.0 is for Whidbey.
private const string dotNetFrameworkVersionV20 = "v2.0.50727"; // full Whidbey version to pass to NativeMethodsShared.GetRequestedRuntimeInfo().
private const string dotNetFrameworkRegistryKeyV20 = dotNetFrameworkSetupRegistryPath + "\\" + dotNetFrameworkVersionV20;
internal static string dotNetFrameworkVersionFolderPrefixV30 = NativeMethodsShared.IsWindows ? "v3.0" : "3.0"; // v3.0 is for WinFx.
private static string s_dotNetFrameworkRegistryKeyV30 = dotNetFrameworkSetupRegistryPath + "\\" + dotNetFrameworkVersionFolderPrefixV30 + "\\Setup";
private const string fallbackDotNetFrameworkSdkRegistryInstallPath = "SOFTWARE\\Microsoft\\Microsoft SDKs\\Windows";
internal const string fallbackDotNetFrameworkSdkInstallKeyValue = "CurrentInstallFolder";
private const string dotNetFrameworkSdkRegistryPathForV35ToolsOnWinSDK70A = @"SOFTWARE\Microsoft\Microsoft SDKs\Windows\v7.0A\WinSDK-NetFx35Tools-x86";
private const string fullDotNetFrameworkSdkRegistryPathForV35ToolsOnWinSDK70A = "HKEY_LOCAL_MACHINE\\" + dotNetFrameworkSdkRegistryPathForV35ToolsOnWinSDK70A;
private const string dotNetFrameworkSdkRegistryPathForV35ToolsOnManagedToolsSDK80A = @"SOFTWARE\Microsoft\Microsoft SDKs\Windows\v8.0A\WinSDK-NetFx35Tools-x86";
private const string fullDotNetFrameworkSdkRegistryPathForV35ToolsOnManagedToolsSDK80A = "HKEY_LOCAL_MACHINE\\" + dotNetFrameworkSdkRegistryPathForV35ToolsOnManagedToolsSDK80A;
internal static string dotNetFrameworkVersionFolderPrefixV35 = NativeMethodsShared.IsWindows ? "v3.5" : "3.5"; // v3.5 is for Orcas.
private static string s_dotNetFrameworkRegistryKeyV35 = dotNetFrameworkSetupRegistryPath + "\\" + dotNetFrameworkVersionFolderPrefixV35;
internal const string fullDotNetFrameworkSdkRegistryKeyV35OnVS10 = fullDotNetFrameworkSdkRegistryPathForV35ToolsOnWinSDK70A;
internal const string fullDotNetFrameworkSdkRegistryKeyV35OnVS11 = fullDotNetFrameworkSdkRegistryPathForV35ToolsOnManagedToolsSDK80A;
internal static string dotNetFrameworkVersionFolderPrefixV40 = NativeMethodsShared.IsWindows ? "v4.0" : "4.0";
internal static string dotNetFrameworkVersionFolderPrefixV45 = NativeMethodsShared.IsWindows ? "v4.5" : "4.5";
/// <summary>
/// Path to the ToolsVersion definitions in the registry
/// </summary>
private const string ToolsVersionsRegistryPath = @"SOFTWARE\Microsoft\MSBuild\ToolsVersions";
#endregion // Constants
#region Static member variables
/// <summary>
/// By default when a root path is not specified we would like to use the program files directory \ reference assemblies\framework as the root location
/// to generate the reference assembly paths from.
/// </summary>
#if FEATURE_SPECIAL_FOLDERS
internal static readonly string programFiles = Environment.GetFolderPath(Environment.SpecialFolder.ProgramFiles);
#else
internal static readonly string programFiles = FileUtilities.GetFolderPath(FileUtilities.SpecialFolder.ProgramFiles);
#endif
internal static readonly string programFiles32 = GenerateProgramFiles32();
internal static readonly string programFiles64 = GenerateProgramFiles64();
internal static readonly string programFilesReferenceAssemblyLocation = GenerateProgramFilesReferenceAssemblyRoot();
private static string s_fallbackDotNetFrameworkSdkInstallPath;
private static string s_pathToV35ToolsInFallbackDotNetFrameworkSdk;
private static string s_pathToV4ToolsInFallbackDotNetFrameworkSdk;
/// <summary>
/// List the supported .net versions.
/// </summary>
private static readonly DotNetFrameworkSpec[] s_dotNetFrameworkSpecs =
{
// v1.1
new DotNetFrameworkSpecLegacy(
dotNetFrameworkVersion11,
dotNetFrameworkRegistryKeyV11,
dotNetFrameworkSetupRegistryInstalledName,
dotNetFrameworkVersionFolderPrefixV11,
dotNetFrameworkSdkInstallKeyValueV11,
hasMSBuild: false),
// v2.0
new DotNetFrameworkSpecLegacy(
dotNetFrameworkVersion20,
dotNetFrameworkRegistryKeyV20,
dotNetFrameworkSetupRegistryInstalledName,
dotNetFrameworkVersionFolderPrefixV20,
dotNetFrameworkSdkInstallKeyValueV20,
hasMSBuild: true),
// v3.0
new DotNetFrameworkSpecV3(
dotNetFrameworkVersion30,
s_dotNetFrameworkRegistryKeyV30,
"InstallSuccess",
dotNetFrameworkVersionFolderPrefixV30,
null,
null,
hasMSBuild: false),
// v3.5
new DotNetFrameworkSpecV3(
dotNetFrameworkVersion35,
s_dotNetFrameworkRegistryKeyV35,
dotNetFrameworkSetupRegistryInstalledName,
dotNetFrameworkVersionFolderPrefixV35,
"WinSDK-NetFx35Tools-x86",
"InstallationFolder",
hasMSBuild: true),
// v4.0
CreateDotNetFrameworkSpecForV4(dotNetFrameworkVersion40, visualStudioVersion100),
// v4.5
CreateDotNetFrameworkSpecForV4(dotNetFrameworkVersion45, visualStudioVersion110),
// v4.5.1
CreateDotNetFrameworkSpecForV4(dotNetFrameworkVersion451, visualStudioVersion120),
// v4.5.2
CreateDotNetFrameworkSpecForV4(dotNetFrameworkVersion452, visualStudioVersion120),
// v4.6
CreateDotNetFrameworkSpecForV4(dotNetFrameworkVersion46, visualStudioVersion140),
// v4.6.1
CreateDotNetFrameworkSpecForV4(dotNetFrameworkVersion461, visualStudioVersion140),
// v4.6.2
CreateDotNetFrameworkSpecForV4(dotNetFrameworkVersion462, visualStudioVersion150),
};
/// <summary>
/// List the supported visual studio versions.
/// </summary>
/// <remarks>
/// The items must be ordered by the version, because some methods depend on that fact to find the previous visual studio version.
/// </remarks>
private static readonly VisualStudioSpec[] s_visualStudioSpecs =
{
// VS10
new VisualStudioSpec(visualStudioVersion100, "Windows\\v7.0A", null, null, new []
{
dotNetFrameworkVersion11,
dotNetFrameworkVersion20,
dotNetFrameworkVersion35,
dotNetFrameworkVersion40,
}),
// VS11
new VisualStudioSpec(visualStudioVersion110, "Windows\\v8.0A", "v8.0", "InstallationFolder", new []
{
dotNetFrameworkVersion11,
dotNetFrameworkVersion20,
dotNetFrameworkVersion35,
dotNetFrameworkVersion40,
dotNetFrameworkVersion45,
}),
// VS12
new VisualStudioSpec(visualStudioVersion120, "Windows\\v8.1A", "v8.1", "InstallationFolder", new []
{
dotNetFrameworkVersion11,
dotNetFrameworkVersion20,
dotNetFrameworkVersion35,
dotNetFrameworkVersion40,
dotNetFrameworkVersion45,
dotNetFrameworkVersion451,
dotNetFrameworkVersion452
}),
// VS14
new VisualStudioSpec(visualStudioVersion140, "NETFXSDK\\{0}", "v8.1", "InstallationFolder", new []
{
dotNetFrameworkVersion11,
dotNetFrameworkVersion20,
dotNetFrameworkVersion35,
dotNetFrameworkVersion40,
dotNetFrameworkVersion45,
dotNetFrameworkVersion451,
dotNetFrameworkVersion452,
dotNetFrameworkVersion46,
dotNetFrameworkVersion461
}),
// VS15
new VisualStudioSpec(visualStudioVersion150, "NETFXSDK\\{0}", "v8.1", "InstallationFolder", new []
{
dotNetFrameworkVersion11,
dotNetFrameworkVersion20,
dotNetFrameworkVersion35,
dotNetFrameworkVersion40,
dotNetFrameworkVersion45,
dotNetFrameworkVersion451,
dotNetFrameworkVersion452,
dotNetFrameworkVersion46,
dotNetFrameworkVersion461,
dotNetFrameworkVersion462
}),
};
/// <summary>
/// Define explicit fallback rules for the request to get path of .net framework sdk tools folder.
/// The default rule is fallback to previous VS. However, there are some special cases that need
/// explicit rules, i.e. v4.5.1 on VS12 fallbacks to v4.5 on VS12.
/// </summary>
/// <remarks>
/// The rules are maintained in a 2-dimensions array. Each row defines a rule. The first column
/// defines the trigger condition. The second column defines the fallback .net and VS versions.
/// </remarks>
private static readonly Tuple<Version, Version>[,] s_explicitFallbackRulesForPathToDotNetFrameworkSdkTools =
{
// VS12
{ Tuple.Create(dotNetFrameworkVersion451, visualStudioVersion120), Tuple.Create(dotNetFrameworkVersion45, visualStudioVersion120) },
{ Tuple.Create(dotNetFrameworkVersion452, visualStudioVersion120), Tuple.Create(dotNetFrameworkVersion451, visualStudioVersion120) },
// VS14
{ Tuple.Create(dotNetFrameworkVersion451, visualStudioVersion140), Tuple.Create(dotNetFrameworkVersion45, visualStudioVersion140) },
{ Tuple.Create(dotNetFrameworkVersion452, visualStudioVersion140), Tuple.Create(dotNetFrameworkVersion451, visualStudioVersion140) },
{ Tuple.Create(dotNetFrameworkVersion46, visualStudioVersion140), Tuple.Create(dotNetFrameworkVersion451, visualStudioVersion140) },
{ Tuple.Create(dotNetFrameworkVersion461, visualStudioVersion140), Tuple.Create(dotNetFrameworkVersion46, visualStudioVersion140) },
// VS15
{ Tuple.Create(dotNetFrameworkVersion451, visualStudioVersion150), Tuple.Create(dotNetFrameworkVersion45, visualStudioVersion150) },
{ Tuple.Create(dotNetFrameworkVersion452, visualStudioVersion150), Tuple.Create(dotNetFrameworkVersion451, visualStudioVersion150) },
{ Tuple.Create(dotNetFrameworkVersion46, visualStudioVersion150), Tuple.Create(dotNetFrameworkVersion451, visualStudioVersion150) },
{ Tuple.Create(dotNetFrameworkVersion461, visualStudioVersion150), Tuple.Create(dotNetFrameworkVersion46, visualStudioVersion150) },
{ Tuple.Create(dotNetFrameworkVersion462, visualStudioVersion150), Tuple.Create(dotNetFrameworkVersion461, visualStudioVersion150) },
};
private static readonly IReadOnlyDictionary<Version, DotNetFrameworkSpec> s_dotNetFrameworkSpecDict;
private static readonly IReadOnlyDictionary<Version, VisualStudioSpec> s_visualStudioSpecDict;
#endregion // Static member variables
static FrameworkLocationHelper()
{
s_dotNetFrameworkSpecDict = s_dotNetFrameworkSpecs.ToDictionary(spec => spec.Version);
s_visualStudioSpecDict = s_visualStudioSpecs.ToDictionary(spec => spec.Version);
}
#region Static properties
internal static string PathToDotNetFrameworkV11
{
get
{
return NativeMethodsShared.IsUnixLike
? Path.Combine(NativeMethodsShared.FrameworkBasePath, dotNetFrameworkVersionFolderPrefixV11)
: GetPathToDotNetFrameworkV11(DotNetFrameworkArchitecture.Current);
}
}
internal static string PathToDotNetFrameworkV20
{
get
{
return NativeMethodsShared.IsUnixLike
? Path.Combine(NativeMethodsShared.FrameworkBasePath, dotNetFrameworkVersionFolderPrefixV20)
: GetPathToDotNetFrameworkV20(DotNetFrameworkArchitecture.Current);
}
}
internal static string PathToDotNetFrameworkV30
{
get
{
return NativeMethodsShared.IsUnixLike
? Path.Combine(NativeMethodsShared.FrameworkBasePath, dotNetFrameworkVersionFolderPrefixV30)
: GetPathToDotNetFrameworkV30(DotNetFrameworkArchitecture.Current);
}
}
internal static string PathToDotNetFrameworkV35
{
get
{
return NativeMethodsShared.IsUnixLike
? Path.Combine(NativeMethodsShared.FrameworkBasePath, dotNetFrameworkVersionFolderPrefixV35)
: GetPathToDotNetFrameworkV35(DotNetFrameworkArchitecture.Current);
}
}
internal static string PathToDotNetFrameworkV40
{
get
{
return NativeMethodsShared.IsUnixLike
? Path.Combine(NativeMethodsShared.FrameworkBasePath, dotNetFrameworkVersionFolderPrefixV40)
: GetPathToDotNetFrameworkV40(DotNetFrameworkArchitecture.Current);
}
}
internal static string PathToDotNetFrameworkV45
{
get
{
return NativeMethodsShared.IsUnixLike
? Path.Combine(NativeMethodsShared.FrameworkBasePath, dotNetFrameworkVersionFolderPrefixV45)
: GetPathToDotNetFrameworkV45(DotNetFrameworkArchitecture.Current);
}
}
internal static string PathToDotNetFrameworkSdkV11
{
get
{
return NativeMethodsShared.IsUnixLike
? Path.Combine(NativeMethodsShared.FrameworkBasePath, dotNetFrameworkVersionFolderPrefixV11)
: GetPathToDotNetFrameworkSdkTools(dotNetFrameworkVersion11, visualStudioVersionLatest);
}
}
internal static string PathToDotNetFrameworkSdkV20
{
get
{
return NativeMethodsShared.IsUnixLike
? Path.Combine(NativeMethodsShared.FrameworkBasePath, dotNetFrameworkVersionFolderPrefixV20)
: GetPathToDotNetFrameworkSdkTools(dotNetFrameworkVersion20, visualStudioVersionLatest);
}
}
/// <summary>
/// Because there is no longer a strong 1:1 mapping between FX versions and SDK
/// versions, if we're unable to locate the desired SDK version, we will try to
/// use whichever SDK version is installed by looking at the key pointing to the
/// "latest" version.
///
/// This isn't ideal, but it will allow our tasks to function on any of several
/// related SDKs even if they don't have exactly the same versions.
///
/// NOTE: This returns the path to the root of the fallback SDK
/// </summary>
private static string FallbackDotNetFrameworkSdkInstallPath
{
get
{
if (s_fallbackDotNetFrameworkSdkInstallPath == null)
{
// For non-Windows just get the current Framework path
if (!NativeMethodsShared.IsWindows)
{
s_fallbackDotNetFrameworkSdkInstallPath = NativeMethodsShared.FrameworkCurrentPath;
}
#if FEATURE_WIN32_REGISTRY
else
{
s_fallbackDotNetFrameworkSdkInstallPath =
FindRegistryValueUnderKey(
fallbackDotNetFrameworkSdkRegistryInstallPath,
fallbackDotNetFrameworkSdkInstallKeyValue);
if (EnvironmentUtilities.Is64BitProcess && s_fallbackDotNetFrameworkSdkInstallPath == null)
{
// Since we're 64-bit, what we just checked was the 64-bit fallback key -- so now let's
// check the 32-bit one too, just in case.
s_fallbackDotNetFrameworkSdkInstallPath =
FindRegistryValueUnderKey(
fallbackDotNetFrameworkSdkRegistryInstallPath,
fallbackDotNetFrameworkSdkInstallKeyValue,
RegistryView.Registry32);
}
}
#endif
}
return s_fallbackDotNetFrameworkSdkInstallPath;
}
}
/// <summary>
/// Because there is no longer a strong 1:1 mapping between FX versions and SDK
/// versions, if we're unable to locate the desired SDK version, we will try to
/// use whichever SDK version is installed by looking at the key pointing to the
/// "latest" version.
///
/// This isn't ideal, but it will allow our tasks to function on any of several
/// related SDKs even if they don't have exactly the same versions.
///
/// NOTE: This explicitly returns the path to the 3.5 tools (bin) under the fallback
/// SDK, to match the data we're pulling from the registry now.
/// </summary>
private static string PathToV35ToolsInFallbackDotNetFrameworkSdk
{
get
{
if (s_pathToV35ToolsInFallbackDotNetFrameworkSdk == null)
{
if (FallbackDotNetFrameworkSdkInstallPath != null)
{
if (NativeMethodsShared.IsWindows)
{
var endsWithASlash =
FallbackDotNetFrameworkSdkInstallPath.EndsWith(
Path.DirectorySeparatorChar.ToString(),
StringComparison.Ordinal);
s_pathToV35ToolsInFallbackDotNetFrameworkSdk =
Path.Combine(FallbackDotNetFrameworkSdkInstallPath, "bin");
// Path.Combine leaves no trailing slash, so if we had one before, be sure to add it back in
if (endsWithASlash)
{
s_pathToV35ToolsInFallbackDotNetFrameworkSdk = s_pathToV35ToolsInFallbackDotNetFrameworkSdk
+ Path.DirectorySeparatorChar;
}
}
else
{
s_pathToV35ToolsInFallbackDotNetFrameworkSdk = FallbackDotNetFrameworkSdkInstallPath;
}
}
}
return s_pathToV35ToolsInFallbackDotNetFrameworkSdk;
}
}
/// <summary>
/// Because there is no longer a strong 1:1 mapping between FX versions and SDK
/// versions, if we're unable to locate the desired SDK version, we will try to
/// use whichever SDK version is installed by looking at the key pointing to the
/// "latest" version.
///
/// This isn't ideal, but it will allow our tasks to function on any of several
/// related SDKs even if they don't have exactly the same versions.
///
/// NOTE: This explicitly returns the path to the 4.X tools (bin\NetFX 4.0 Tools)
/// under the fallback SDK, to match the data we're pulling from the registry now.
/// </summary>
private static string PathToV4ToolsInFallbackDotNetFrameworkSdk
{
get
{
if (s_pathToV4ToolsInFallbackDotNetFrameworkSdk == null)
{
if (FallbackDotNetFrameworkSdkInstallPath != null)
{
if (NativeMethodsShared.IsWindows)
{
bool endsWithASlash = FallbackDotNetFrameworkSdkInstallPath.EndsWith(
"\\",
StringComparison.Ordinal);
s_pathToV4ToolsInFallbackDotNetFrameworkSdk = Path.Combine(FallbackDotNetFrameworkSdkInstallPath, "bin", "NetFX 4.0 Tools");
// Path.Combine leaves no trailing slash, so if we had one before, be sure to add it back in
if (endsWithASlash)
{
s_pathToV4ToolsInFallbackDotNetFrameworkSdk = s_pathToV4ToolsInFallbackDotNetFrameworkSdk + "\\";
}
}
else
{
s_pathToV4ToolsInFallbackDotNetFrameworkSdk = FallbackDotNetFrameworkSdkInstallPath;
}
}
}
return s_pathToV4ToolsInFallbackDotNetFrameworkSdk;
}
}
#endregion // Static properties
#region Internal methods
internal static string GetDotNetFrameworkSdkRootRegistryKey(Version dotNetFrameworkVersion, Version visualStudioVersion)
{
RedirectVersionsIfNecessary(ref dotNetFrameworkVersion, ref visualStudioVersion);
var dotNetFrameworkSpec = GetDotNetFrameworkSpec(dotNetFrameworkVersion);
var visualStudioSpec = GetVisualStudioSpec(visualStudioVersion);
ErrorUtilities.VerifyThrowArgument(visualStudioSpec.SupportedDotNetFrameworkVersions.Contains(dotNetFrameworkVersion), "FrameworkLocationHelper.UnsupportedFrameworkVersion", dotNetFrameworkVersion);
return dotNetFrameworkSpec.GetDotNetFrameworkSdkRootRegistryKey(visualStudioSpec);
}
internal static string GetDotNetFrameworkSdkInstallKeyValue(Version dotNetFrameworkVersion, Version visualStudioVersion)
{
RedirectVersionsIfNecessary(ref dotNetFrameworkVersion, ref visualStudioVersion);
var dotNetFrameworkSpec = GetDotNetFrameworkSpec(dotNetFrameworkVersion);
var visualStudioSpec = GetVisualStudioSpec(visualStudioVersion);
ErrorUtilities.VerifyThrowArgument(visualStudioSpec.SupportedDotNetFrameworkVersions.Contains(dotNetFrameworkVersion), "FrameworkLocationHelper.UnsupportedFrameworkVersion", dotNetFrameworkVersion);
return dotNetFrameworkSpec.DotNetFrameworkSdkRegistryInstallationFolderName;
}
internal static string GetDotNetFrameworkVersionFolderPrefix(Version dotNetFrameworkVersion)
{
return GetDotNetFrameworkSpec(dotNetFrameworkVersion).DotNetFrameworkFolderPrefix;
}
internal static string GetPathToWindowsSdk(Version dotNetFrameworkVersion)
{
return GetDotNetFrameworkSpec(dotNetFrameworkVersion).GetPathToWindowsSdk();
}
internal static string GetPathToDotNetFrameworkReferenceAssemblies(Version dotNetFrameworkVersion)
{
return GetDotNetFrameworkSpec(dotNetFrameworkVersion).GetPathToDotNetFrameworkReferenceAssemblies();
}
internal static string GetPathToDotNetFrameworkSdkTools(Version dotNetFrameworkVersion, Version visualStudioVersion)
{
RedirectVersionsIfNecessary(ref dotNetFrameworkVersion, ref visualStudioVersion);
var dotNetFrameworkSpec = GetDotNetFrameworkSpec(dotNetFrameworkVersion);
var visualStudioSpec = GetVisualStudioSpec(visualStudioVersion);
ErrorUtilities.VerifyThrowArgument(visualStudioSpec.SupportedDotNetFrameworkVersions.Contains(dotNetFrameworkVersion), "FrameworkLocationHelper.UnsupportedFrameworkVersion", dotNetFrameworkVersion);
return dotNetFrameworkSpec.GetPathToDotNetFrameworkSdkTools(visualStudioSpec);
}
internal static string GetPathToDotNetFrameworkSdk(Version dotNetFrameworkVersion, Version visualStudioVersion)
{
RedirectVersionsIfNecessary(ref dotNetFrameworkVersion, ref visualStudioVersion);
var dotNetFrameworkSpec = GetDotNetFrameworkSpec(dotNetFrameworkVersion);
var visualStudioSpec = GetVisualStudioSpec(visualStudioVersion);
ErrorUtilities.VerifyThrowArgument(visualStudioSpec.SupportedDotNetFrameworkVersions.Contains(dotNetFrameworkVersion), "FrameworkLocationHelper.UnsupportedFrameworkVersion", dotNetFrameworkVersion);
return dotNetFrameworkSpec.GetPathToDotNetFrameworkSdk(visualStudioSpec);
}
internal static string GetPathToDotNetFrameworkV11(DotNetFrameworkArchitecture architecture)
{
return GetPathToDotNetFramework(dotNetFrameworkVersion11, architecture);
}
internal static string GetPathToDotNetFrameworkV20(DotNetFrameworkArchitecture architecture)
{
return GetPathToDotNetFramework(dotNetFrameworkVersion20, architecture);
}
internal static string GetPathToDotNetFrameworkV30(DotNetFrameworkArchitecture architecture)
{
return GetPathToDotNetFramework(dotNetFrameworkVersion30, architecture);
}
internal static string GetPathToDotNetFrameworkV35(DotNetFrameworkArchitecture architecture)
{
return GetPathToDotNetFramework(dotNetFrameworkVersion35, architecture);
}
internal static string GetPathToDotNetFrameworkV40(DotNetFrameworkArchitecture architecture)
{
return GetPathToDotNetFramework(dotNetFrameworkVersion40, architecture);
}
internal static string GetPathToDotNetFrameworkV45(DotNetFrameworkArchitecture architecture)
{
return GetPathToDotNetFramework(dotNetFrameworkVersion45, architecture);
}
internal static string GetPathToDotNetFramework(Version version)
{
return GetPathToDotNetFramework(version, DotNetFrameworkArchitecture.Current);
}
internal static string GetPathToDotNetFramework(Version version, DotNetFrameworkArchitecture architecture)
{
return GetDotNetFrameworkSpec(version).GetPathToDotNetFramework(architecture);
}
#if FEATURE_INSTALLED_MSBUILD
/// <summary>
/// Check the registry key and value to see if the .net Framework is installed on the machine.
/// </summary>
/// <param name="registryEntryToCheckInstall">Registry path to look for the value</param>
/// <param name="registryValueToCheckInstall">Key to retrieve the value from</param>
/// <returns>True if the registry key is 1 false if it is not there. This method also return true if the complus enviornment variables are set.</returns>
private static bool CheckForFrameworkInstallation(string registryEntryToCheckInstall, string registryValueToCheckInstall)
{
// Get the complus install root and version
string complusInstallRoot = Environment.GetEnvironmentVariable("COMPLUS_INSTALLROOT");
string complusVersion = Environment.GetEnvironmentVariable("COMPLUS_VERSION");
// Complus is not set we need to make sure the framework we are targeting is installed. Check the registry key before trying to find the directory.
// If complus is set then we will return that directory as the framework directory, there is no need to check the registry value for the framework and it may not even be installed.
if (String.IsNullOrEmpty(complusInstallRoot) && String.IsNullOrEmpty(complusVersion))
{
if (NativeMethodsShared.IsWindows)
{
// If the registry entry is 1 then the framework is installed. Go ahead and find the directory. If it is not 1 then the framework is not installed, return null.
return String.Compare("1", FindRegistryValueUnderKey(registryEntryToCheckInstall, registryValueToCheckInstall), StringComparison.OrdinalIgnoreCase) == 0;
}
// False for non-windows since there is nothing in the registry
else
{
return false;
}
}
return true;
}
#endif
/// <summary>
/// Heuristic that first considers the current runtime path and then searches the base of that path for the given
/// frameworks version.
/// </summary>
/// <param name="currentRuntimePath">The path to the runtime that is currently executing.</param>
/// <param name="prefix">Should be something like 'v1.2' that indicates the runtime version we want.</param>
/// <param name="directoryExists">Function that checks if directory exists.</param>
/// <param name="getDirectories">Delegate to method that can return filesystem entries.</param>
/// <param name="architecture">.NET framework architecture</param>
/// <returns>Will return 'null' if there is no target frameworks on this machine.</returns>
internal static string FindDotNetFrameworkPath
(
string currentRuntimePath,
string prefix,
DirectoryExists directoryExists,
GetDirectories getDirectories,
DotNetFrameworkArchitecture architecture
)
{
if (!NativeMethodsShared.IsWindows)
{
if (!string.IsNullOrEmpty(prefix)
&& prefix.Substring(0, 1).Equals("v", StringComparison.OrdinalIgnoreCase))
{
prefix = prefix.Substring(1);
}
var frameworkPath = Path.Combine(NativeMethodsShared.FrameworkBasePath, prefix ?? string.Empty);
return directoryExists(frameworkPath) ? frameworkPath : null;
}
// If the COMPLUS variables are set, they override everything -- that's the directory we want.
string complusInstallRoot = Environment.GetEnvironmentVariable("COMPLUS_INSTALLROOT");
string complusVersion = Environment.GetEnvironmentVariable("COMPLUS_VERSION");
if (!String.IsNullOrEmpty(complusInstallRoot) && !String.IsNullOrEmpty(complusVersion))
{
return Path.Combine(complusInstallRoot, complusVersion);
}
// If the current runtime starts with correct prefix, then this is the runtime we want to use.
// However, only if we're requesting current architecture -- otherwise, the base path may be different, so we'll need to look it up.
string leaf = Path.GetFileName(currentRuntimePath);
if (leaf.StartsWith(prefix, StringComparison.Ordinal) && architecture == DotNetFrameworkArchitecture.Current)
{
return currentRuntimePath;
}
// We haven't managed to use exact methods to locate the FX, so
// search for the correct path with a heuristic.
string baseLocation = Path.GetDirectoryName(currentRuntimePath);
string searchPattern = prefix + "*";
int indexOfFramework64 = baseLocation.IndexOf("Framework64", StringComparison.OrdinalIgnoreCase);
if (indexOfFramework64 != -1 && architecture == DotNetFrameworkArchitecture.Bitness32)
{
// need to get rid of just the 64, but want to look up 'Framework64' rather than '64' to avoid the case where
// the path is something like 'C:\MyPath\64\Framework64'. 9 = length of 'Framework', to make the index match
// the location of the '64'.
int indexOf64 = indexOfFramework64 + 9;
string tempLocation = baseLocation;
baseLocation = tempLocation.Substring(0, indexOf64) + tempLocation.Substring(indexOf64 + 2, tempLocation.Length - indexOf64 - 2);
}
else if (indexOfFramework64 == -1 && architecture == DotNetFrameworkArchitecture.Bitness64)
{
// need to add 64 -- since this is a heuristic, we assume that we just need to append.
baseLocation = baseLocation + "64";
}
// we don't need to do anything if it's DotNetFrameworkArchitecture.Current.
string[] directories;
if (directoryExists(baseLocation))
{
directories = getDirectories(baseLocation, searchPattern);
}
else
{
// If we can't even find the base path, might as well give up now.
return null;
}
if (directories.Length == 0)
{
// Couldn't find the path, return a null.
return null;
}
// We don't care which one we choose, but we want to be predictible.
// The intention here is to choose the alphabetical maximum.
string max = directories[0];
// the max.EndsWith condition: pre beta 2 versions of v3.5 have build number like v3.5.20111.
// This was removed in beta2
// We should favor \v3.5 over \v3.5.xxxxx
// versions previous to 2.0 have .xxxx version numbers. 3.0 and 3.5 do not.
if (!max.EndsWith(prefix, StringComparison.OrdinalIgnoreCase))
{
for (int i = 1; i < directories.Length; ++i)
{
if (directories[i].EndsWith(prefix, StringComparison.OrdinalIgnoreCase))
{
max = directories[i];
break;
}
else if (String.Compare(directories[i], max, StringComparison.OrdinalIgnoreCase) > 0)
{
max = directories[i];
}
}
}
return max;
}
/// <summary>
/// Determine the 32 bit program files directory, this is used for finding where the reference assemblies live.
/// </summary>
internal static string GenerateProgramFiles32()
{
// With Mono, all we look for in Files32 should be found in the below location
if (!NativeMethodsShared.IsWindows && NativeMethodsShared.IsMono)
{
return Path.Combine(NativeMethodsShared.FrameworkBasePath, "xbuild");
}
// On a 64 bit machine we always want to use the program files x86. If we are running as a 64 bit process then this variable will be set correctly
// If we are on a 32 bit machine or running as a 32 bit process then this variable will be null and the programFiles variable will be correct.
#if FEATURE_SPECIAL_FOLDERS
string programFilesX86 = Environment.GetFolderPath(Environment.SpecialFolder.ProgramFilesX86);
#else
string programFilesX86 = FileUtilities.GetFolderPath(FileUtilities.SpecialFolder.ProgramFilesX86);
#endif
if (String.IsNullOrEmpty(programFilesX86))
{
// 32 bit box
programFilesX86 = programFiles;
}
return programFilesX86;
}
/// <summary>
/// Determine the 64-bit program files directory, used as the basis for MSBuildExtensionsPath64.
/// Returns null if we're not on a 64-bit machine
/// </summary>
internal static string GenerateProgramFiles64()
{
// With Mono, all we look for in Files32 should be found in the below location
if (!NativeMethodsShared.IsWindows && NativeMethodsShared.IsMono)
{
return Path.Combine(NativeMethodsShared.FrameworkBasePath, "xbuild");
}
string programFilesX64 = null;
if (string.Equals(programFiles, programFiles32))
{
// either we're in a 32-bit window, or we're on a 32-bit machine.
// if we're on a 32-bit machine, ProgramW6432 won't exist
// if we're on a 64-bit machine, ProgramW6432 will point to the correct Program Files.
programFilesX64 = Environment.GetEnvironmentVariable("ProgramW6432");
}
else
{
// 64-bit window on a 64-bit machine; %ProgramFiles% points to the 64-bit
// Program Files already.
programFilesX64 = programFiles;
}
return programFilesX64;
}
/// <summary>
/// Generate the path to the program files reference assembly location by taking in the program files special folder and then
/// using that path to generate the path to the reference assemblies location.
/// </summary>
internal static string GenerateProgramFilesReferenceAssemblyRoot()
{
string combinedPath = Environment.GetEnvironmentVariable("ReferenceAssemblyRoot");
if (!String.IsNullOrEmpty(combinedPath))
{
combinedPath = Path.GetFullPath(combinedPath);
if (Directory.Exists(combinedPath))
{
return combinedPath;
}
}
combinedPath = NativeMethodsShared.IsWindows
? Path.Combine(programFiles32, "Reference Assemblies\\Microsoft\\Framework")
: Path.Combine(NativeMethodsShared.FrameworkBasePath, "xbuild-frameworks");
return Path.GetFullPath(combinedPath);
}
/// <summary>
/// Given a ToolsVersion, find the path to the build tools folder for that ToolsVersion.
/// </summary>
/// <param name="toolsVersion">The ToolsVersion to look up</param>
/// <param name="architecture">Target build tools architecture.</param>
/// <returns>The path to the build tools folder for that ToolsVersion, if it exists, or
/// null otherwise</returns>
internal static string GeneratePathToBuildToolsForToolsVersion(string toolsVersion, DotNetFrameworkArchitecture architecture)
{
if (string.Compare(toolsVersion, MSBuildConstants.CurrentToolsVersion, StringComparison.Ordinal) == 0)
{
return GetPathToBuildToolsFromEnvironment(architecture);
}
string toolsPath = null;
#if FEATURE_WIN32_REGISTRY
// If we're not looking for the current tools version, try the registry.
toolsPath = GetPathToBuildToolsFromRegistry(toolsVersion, architecture);
#endif
// If all else fails, always use the current environment.
return toolsPath ?? GetPathToBuildToolsFromEnvironment(architecture);
}
/// <summary>
/// Take the parts of the Target framework moniker and formulate the reference assembly path based on the the following pattern:
/// For a framework and version:
/// $(TargetFrameworkRootPath)\$(TargetFrameworkIdentifier)\$(TargetFrameworkVersion)
/// For a subtype:
/// $(TargetFrameworkRootPath)\$(TargetFrameworkIdentifier)\$(TargetFrameworkVersion)\SubType\$(TargetFrameworkSubType)
/// e.g.NET Framework v4.0 would locate its reference assemblies in:
/// \Program Files\Reference Assemblies\Microsoft\Framework\.NETFramework\v4.0
/// e.g.Silverlight v2.0 would locate its reference assemblies in:
/// \Program Files\Reference Assemblies\Microsoft\Framework\Silverlight\v2.0
/// e.g.NET Compact Framework v3.5, subtype PocketPC would locate its reference assemblies in:
/// \Program Files\Reference Assemblies\Microsoft\Framework\.NETCompactFramework\v3.5\SubType\PocketPC
/// </summary>
/// <returns>The path to the reference assembly location</returns>
internal static string GenerateReferenceAssemblyPath(string targetFrameworkRootPath, FrameworkName frameworkName)
{
ErrorUtilities.VerifyThrowArgumentNull(targetFrameworkRootPath, "targetFrameworkRootPath");
ErrorUtilities.VerifyThrowArgumentNull(frameworkName, "frameworkName");
try
{
string path = targetFrameworkRootPath;
path = Path.Combine(path, frameworkName.Identifier);
path = Path.Combine(path, "v" + frameworkName.Version.ToString());
if (!String.IsNullOrEmpty(frameworkName.Profile))
{
path = Path.Combine(path, "Profile");
path = Path.Combine(path, frameworkName.Profile);
}
path = Path.GetFullPath(path);
return path;
}
catch (Exception e) when (ExceptionHandling.IsIoRelatedException(e))
{
ErrorUtilities.ThrowInvalidOperation("FrameworkLocationHelper.CouldNotGenerateReferenceAssemblyDirectory", targetFrameworkRootPath, frameworkName.ToString(), e.Message);
// The compiler does not see the massage above an as exception;
return null;
}
}
/// <summary>
/// Given a path, subtracts the requested number of directories and returns the result.
/// </summary>
/// <comments>
/// Internal only so that I can have the unit tests use it too, instead of duplicating the same code
/// </comments>
internal static string RemoveDirectories(string path, int numberOfLevelsToRemove)
{
ErrorUtilities.VerifyThrowArgumentOutOfRange(numberOfLevelsToRemove > 0, "what are you doing passing a negative number to this function??");
string fixedPath = null;
if (path != null)
{
// Record whether we had a slash or not so that we can tack it back on if necessary
var endedWithASlash = path.EndsWith(Path.DirectorySeparatorChar.ToString(), StringComparison.Ordinal)
|| path.EndsWith(
Path.AltDirectorySeparatorChar.ToString(),
StringComparison.Ordinal);
DirectoryInfo fixedPathInfo = new DirectoryInfo(path);
for (int i = 0; i < numberOfLevelsToRemove; i++)
{
if (fixedPathInfo != null && fixedPathInfo.Parent != null)
{
fixedPathInfo = fixedPathInfo.Parent;
}
}
if (fixedPathInfo != null)
{
fixedPath = fixedPathInfo.FullName;
}
if (fixedPath != null && endedWithASlash)
{
fixedPath = fixedPath + Path.DirectorySeparatorChar;
}
}
return fixedPath;
}
/// <summary>
/// Look up the path to the build tools directory for the requested ToolsVersion in the .exe.config file of this executable
/// </summary>
private static string GetPathToBuildToolsFromEnvironment(DotNetFrameworkArchitecture architecture)
{
switch (architecture)
{
case DotNetFrameworkArchitecture.Bitness64:
return BuildEnvironmentHelper.Instance.MSBuildToolsDirectory64;
case DotNetFrameworkArchitecture.Bitness32:
return BuildEnvironmentHelper.Instance.MSBuildToolsDirectory32;
default:
return BuildEnvironmentHelper.Instance.CurrentMSBuildToolsDirectory;
}
}
#if FEATURE_WIN32_REGISTRY
/// <summary>
/// Look up the path to the build tools directory in the registry for the requested ToolsVersion and requested architecture
/// </summary>
private static string GetPathToBuildToolsFromRegistry(string toolsVersion, DotNetFrameworkArchitecture architecture)
{
string toolsVersionSpecificKey = ToolsVersionsRegistryPath + "\\" + toolsVersion;