/// <summary>
/// Internal constructor
/// </summary>
/// <param name="engine"></param>
/// <param name="toolset"></param>
internal ToolsetState(Engine engine, Toolset toolset)
: this(engine,
toolset,
new GetFiles(Directory.GetFiles),
new LoadXmlFromPath(ToolsetState.LoadXmlDocumentFromPath)
)
{
}
/// <summary>
/// Additional constructor to make unit testing the TaskRegistry support easier
/// </summary>
/// <remarks>
/// Internal for unit test purposes only.
/// </remarks>
/// <param name="engine"></param>
/// <param name="toolset"></param>
/// <param name="getFiles"></param>
/// <param name="loadXmlFromPath"></param>
internal ToolsetState(Engine engine,
Toolset toolset,
GetFiles getFiles,
LoadXmlFromPath loadXmlFromPath
)
{
this.parentEngine = engine;
this.loggingServices = engine.LoggingServices;
ErrorUtilities.VerifyThrowArgumentNull(toolset, "toolset");
this.toolset = toolset;
this.getFiles = getFiles;
this.loadXmlFromPath = loadXmlFromPath;
}
/// <summary>
/// Reads all the toolsets and populates the given ToolsetCollection with them
/// </summary>
/// <param name="toolsets"></param>
/// <param name="globalProperties"></param>
/// <param name="initialProperties"></param>
/// <param name="accumulateProperties"></param>
private void ReadEachToolset(ToolsetCollection toolsets,
BuildPropertyGroup globalProperties,
BuildPropertyGroup initialProperties,
bool accumulateProperties)
{
foreach (PropertyDefinition toolsVersion in ToolsVersions)
{
// We clone here because we don't want to interfere with the evaluation
// of subsequent Toolsets; otherwise, properties found during the evaluation
// of this Toolset would be persisted in initialProperties and appear
// to later Toolsets as Global or Environment properties from the Engine.
BuildPropertyGroup initialPropertiesClone = initialProperties.Clone(true /* deep clone */);
Toolset toolset = ReadToolset(toolsVersion, globalProperties, initialPropertiesClone, accumulateProperties);
if (toolset != null)
{
toolsets.Add(toolset);
}
}
}
/// <summary>
/// Reads the settings for a specified tools version
/// </summary>
/// <param name="toolsVersion"></param>
/// <param name="globalProperties"></param>
/// <param name="initialProperties"></param>
/// <param name="accumulateProperties"></param>
/// <returns></returns>
private Toolset ReadToolset(PropertyDefinition toolsVersion,
BuildPropertyGroup globalProperties,
BuildPropertyGroup initialProperties,
bool accumulateProperties)
{
// Initial properties is the set of properties we're going to use to expand property expressions like $(foo)
// in the values we read out of the registry or config file. We'll add to it as we pick up properties (including binpath)
// from the registry or config file, so that properties there can be referenced in values below them.
// After processing all the properties, we don't need initialProperties anymore.
string toolsPath = null;
string binPath = null;
BuildPropertyGroup properties = new BuildPropertyGroup();
IEnumerable <PropertyDefinition> rawProperties = GetPropertyDefinitions(toolsVersion.Name);
Expander expander = new Expander(initialProperties);
foreach (PropertyDefinition property in rawProperties)
{
if (0 == String.Compare(property.Name, ReservedPropertyNames.toolsPath, StringComparison.OrdinalIgnoreCase))
{
toolsPath = ExpandProperty(property, expander);
toolsPath = ExpandRelativePathsRelativeToExeLocation(toolsPath);
if (accumulateProperties)
{
SetProperty
(
new PropertyDefinition(ReservedPropertyNames.toolsPath, toolsPath, property.Source),
initialProperties,
globalProperties
);
}
}
else if (0 == String.Compare(property.Name, ReservedPropertyNames.binPath, StringComparison.OrdinalIgnoreCase))
{
binPath = ExpandProperty(property, expander);
binPath = ExpandRelativePathsRelativeToExeLocation(binPath);
if (accumulateProperties)
{
SetProperty
(
new PropertyDefinition(ReservedPropertyNames.binPath, binPath, property.Source),
initialProperties,
globalProperties
);
}
}
else if (ReservedPropertyNames.IsReservedProperty(property.Name))
{
// We don't allow toolsets to define reserved properties
string baseMessage = ResourceUtilities.FormatResourceString("CannotModifyReservedProperty", property.Name);
InvalidToolsetDefinitionException.Throw("InvalidPropertyNameInToolset", property.Name, property.Source, baseMessage);
}
else
{
// It's an arbitrary property
string propertyValue = ExpandProperty(property, expander);
PropertyDefinition expandedProperty = new PropertyDefinition(property.Name, propertyValue, property.Source);
SetProperty(expandedProperty, properties, globalProperties);
if (accumulateProperties)
{
SetProperty(expandedProperty, initialProperties, globalProperties);
}
}
if (accumulateProperties)
{
expander = new Expander(initialProperties);
}
}
// All tools versions must specify a value for MSBuildToolsPath (or MSBuildBinPath)
if (String.IsNullOrEmpty(toolsPath) && String.IsNullOrEmpty(binPath))
{
InvalidToolsetDefinitionException.Throw("MSBuildToolsPathIsNotSpecified", toolsVersion.Name, toolsVersion.Source);
}
// If both MSBuildBinPath and MSBuildToolsPath are present, they must be the same
if (toolsPath != null && binPath != null && !toolsPath.Equals(binPath, StringComparison.OrdinalIgnoreCase))
{
return(null);
}
Toolset toolset = null;
try
{
toolset = new Toolset(toolsVersion.Name, toolsPath == null ? binPath : toolsPath, properties);
}
catch (ArgumentException e)
{
InvalidToolsetDefinitionException.Throw("ErrorCreatingToolset", toolsVersion.Name, e.Message);
}
return(toolset);
}
/// <summary>
/// Gathers toolset data from the registry and configuration file, if any.
/// NOTE: this method is internal for unit testing purposes only.
/// </summary>
/// <param name="toolsets"></param>
/// <param name="registryReader"></param>
/// <param name="configurationReader"></param>
/// <param name="globalProperties"></param>
/// <param name="initialProperties"></param>
/// <param name="locations"></param>
/// <returns></returns>
internal static string ReadAllToolsets(ToolsetCollection toolsets,
ToolsetRegistryReader registryReader,
ToolsetConfigurationReader configurationReader,
BuildPropertyGroup globalProperties,
BuildPropertyGroup initialProperties,
ToolsetDefinitionLocations locations)
{
// The 2.0 .NET Framework installer did not write a ToolsVersion key for itself in the registry.
// The 3.5 installer writes one for 2.0, but 3.5 might not be installed.
// The 4.0 and subsequent installers can't keep writing the 2.0 one, because (a) it causes SxS issues and (b) we
// don't want it unless 2.0 is installed.
// So if the 2.0 framework is actually installed, and we're reading the registry, create a toolset for it.
// The registry and config file can overwrite it.
if (
((locations & ToolsetDefinitionLocations.Registry) != 0) &&
!toolsets.Contains("2.0") &&
FrameworkLocationHelper.PathToDotNetFrameworkV20 != null
)
{
Toolset synthetic20Toolset = new Toolset("2.0", FrameworkLocationHelper.PathToDotNetFrameworkV20, initialProperties);
toolsets.Add(synthetic20Toolset);
}
// The ordering here is important because the configuration file should have greater precedence
// than the registry
string defaultToolsVersionFromRegistry = null;
ToolsetRegistryReader registryReaderToUse = null;
if ((locations & ToolsetDefinitionLocations.Registry) == ToolsetDefinitionLocations.Registry)
{
registryReaderToUse = registryReader == null ? new ToolsetRegistryReader() : registryReader;
// We do not accumulate properties when reading them from the registry, because the order
// in which values are returned to us is essentially random: so we disallow one property
// in the registry to refer to another also in the registry
defaultToolsVersionFromRegistry =
registryReaderToUse.ReadToolsets(toolsets, globalProperties, initialProperties, false /* do not accumulate properties */);
}
string defaultToolsVersionFromConfiguration = null;
ToolsetConfigurationReader configurationReaderToUse = null;
if ((locations & ToolsetDefinitionLocations.ConfigurationFile) == ToolsetDefinitionLocations.ConfigurationFile)
{
if (configurationReader == null && ConfigurationFileMayHaveToolsets())
{
// We haven't been passed in a fake configuration reader by a unit test,
// and it looks like we have a .config file to read, so create a real
// configuration reader
configurationReader = new ToolsetConfigurationReader();
}
if (configurationReader != null)
{
configurationReaderToUse = configurationReader == null ? new ToolsetConfigurationReader() : configurationReader;
// Accumulation of properties is okay in the config file because it's deterministically ordered
defaultToolsVersionFromConfiguration =
configurationReaderToUse.ReadToolsets(toolsets, globalProperties, initialProperties, true /* accumulate properties */);
}
}
// We'll use the default from the configuration file if it was specified, otherwise we'll try
// the one from the registry. It's possible (and valid) that neither the configuration file
// nor the registry specify a default, in which case we'll just return null.
string defaultToolsVersion = defaultToolsVersionFromConfiguration ?? defaultToolsVersionFromRegistry;
// If we got a default version from the registry or config file, and it
// actually exists, fine.
// Otherwise we have to come up with one.
if (defaultToolsVersion == null || !toolsets.Contains(defaultToolsVersion))
{
// We're going to choose a hard coded default tools version of 2.0.
defaultToolsVersion = Constants.defaultToolsVersion;
// But don't overwrite any existing tools path for this default we're choosing.
if (!toolsets.Contains(Constants.defaultToolsVersion))
{
// There's no tools path already for 2.0, so use the path to the v2.0 .NET Framework.
// If an old-fashioned caller sets BinPath property, or passed a BinPath to the constructor,
// that will overwrite what we're setting here.
ErrorUtilities.VerifyThrow(Constants.defaultToolsVersion == "2.0", "Getting 2.0 FX path so default should be 2.0");
string pathToFramework = FrameworkLocationHelper.PathToDotNetFrameworkV20;
// We could not find the default toolsversion because it was not installed on the machine. Fallback to the
// one we expect to always be there when running msbuild 4.0.
if (pathToFramework == null)
{
pathToFramework = FrameworkLocationHelper.PathToDotNetFrameworkV40;
defaultToolsVersion = Constants.defaultFallbackToolsVersion;
}
// Again don't overwrite any existing tools path for this default we're choosing.
if (!toolsets.Contains(defaultToolsVersion))
{
Toolset defaultToolset = new Toolset(defaultToolsVersion, pathToFramework, initialProperties);
toolsets.Add(defaultToolset);
}
}
}
return(defaultToolsVersion);
}
