/// <summary>
/// Find all files that are to be considered SDK Resolvers. Pattern will match
/// Root\SdkResolver\(ResolverName)\(ResolverName).dll.
/// </summary>
/// <param name="rootFolder"></param>
/// <param name="location"></param>
/// <returns></returns>
internal virtual IList <string> FindPotentialSdkResolvers(string rootFolder, ElementLocation location)
{
var assembliesList = new List <string>();
if ((string.IsNullOrEmpty(rootFolder) || !FileUtilities.DirectoryExistsNoThrow(rootFolder)) && AdditionalResolversFolder == null)
{
return(assembliesList);
}
DirectoryInfo[] subfolders = GetSubfolders(rootFolder, AdditionalResolversFolder);
foreach (var subfolder in subfolders)
{
var assembly = Path.Combine(subfolder.FullName, $"{subfolder.Name}.dll");
var manifest = Path.Combine(subfolder.FullName, $"{subfolder.Name}.xml");
var assemblyAdded = TryAddAssembly(assembly, assembliesList);
if (!assemblyAdded)
{
assemblyAdded = TryAddAssemblyFromManifest(manifest, subfolder.FullName, assembliesList, location);
}
if (!assemblyAdded)
{
ProjectFileErrorUtilities.ThrowInvalidProjectFile(new BuildEventFileInfo(location), "SdkResolverNoDllOrManifest", subfolder.FullName);
}
}
return(assembliesList);
}
protected virtual void LoadResolvers(string resolverPath, LoggingContext loggingContext, ElementLocation location, List <SdkResolver> resolvers)
{
Assembly assembly;
try
{
assembly = LoadResolverAssembly(resolverPath, loggingContext, location);
}
catch (Exception e)
{
ProjectFileErrorUtilities.ThrowInvalidProjectFile(new BuildEventFileInfo(location), e, "CouldNotLoadSdkResolverAssembly", resolverPath, e.Message);
return;
}
foreach (Type type in GetResolverTypes(assembly))
{
try
{
resolvers.Add((SdkResolver)Activator.CreateInstance(type));
}
catch (TargetInvocationException e)
{
// .NET wraps the original exception inside of a TargetInvocationException which masks the original message
// Attempt to get the inner exception in this case, but fall back to the top exception message
string message = e.InnerException?.Message ?? e.Message;
ProjectFileErrorUtilities.ThrowInvalidProjectFile(new BuildEventFileInfo(location), e.InnerException ?? e, "CouldNotLoadSdkResolver", type.Name, message);
}
catch (Exception e)
{
ProjectFileErrorUtilities.ThrowInvalidProjectFile(new BuildEventFileInfo(location), e, "CouldNotLoadSdkResolver", type.Name, e.Message);
}
}
}
public RemoveOperation(RemoveOperationBuilder builder, LazyItemEvaluator <P, I, M, D> lazyEvaluator)
: base(builder, lazyEvaluator)
{
_matchOnMetadata = builder.MatchOnMetadata.ToImmutable();
ProjectFileErrorUtilities.VerifyThrowInvalidProjectFile(
_matchOnMetadata.IsEmpty || _itemSpec.Fragments.All(f => f is ItemSpec <P, I> .ItemExpressionFragment),
new BuildEventFileInfo(string.Empty),
"OM_MatchOnMetadataIsRestrictedToReferencedItems");
if (!_matchOnMetadata.IsEmpty)
{
_metadataSet = new MetadataTrie <P, I>(builder.MatchOnMetadataOptions, _matchOnMetadata, _itemSpec);
}
}
/// <summary>
/// Determines what the real tools version is.
/// </summary>
private string ResolveToolsVersion(BuildRequestData data, string defaultToolsVersion, Internal.Utilities.GetToolset getToolset)
{
if (data.ExplicitToolsVersionSpecified)
{
return(data.ExplicitlySpecifiedToolsVersion);
}
// None was specified by the call, fall back to the project's ToolsVersion attribute
if (data.ProjectInstance != null)
{
return(data.ProjectInstance.Toolset.ToolsVersion);
}
else if (FileUtilities.IsVCProjFilename(data.ProjectFullPath))
{
ProjectFileErrorUtilities.ThrowInvalidProjectFile(new BuildEventFileInfo(data.ProjectFullPath), "ProjectUpgradeNeededToVcxProj", data.ProjectFullPath);
}
else if (!FileUtilities.IsSolutionFilename(data.ProjectFullPath))
{
// If the file does not exist, it's a failure of the host, possibly msbuild.exe; so it's an ArgumentException here
ErrorUtilities.VerifyThrowArgument(File.Exists(data.ProjectFullPath), "ProjectFileNotFound", data.ProjectFullPath);
string toolsVersionFromFile = null;
// We use an XmlTextReader to sniff, rather than simply loading a ProjectRootElement into the cache, because
// quite likely this won't be the node on which the request will be built, so we'd be loading the ProjectRootElement
// on this node unnecessarily.
toolsVersionFromFile = XmlUtilities.SniffAttributeValueFromXmlFile(ProjectFullPath, XMakeAttributes.project, XMakeAttributes.toolsVersion);
// Instead of just using the ToolsVersion from the file, though, ask our "source of truth" what the ToolsVersion
// we should use is. This takes into account the various environment variables that can affect ToolsVersion, etc.,
// to make it more likely that the ToolsVersion we come up with is going to be the one actually being used by the
// project at build time.
string toolsVersionToUse = Utilities.GenerateToolsVersionToUse
(
data.ExplicitlySpecifiedToolsVersion,
toolsVersionFromFile,
getToolset,
defaultToolsVersion
);
return(toolsVersionToUse);
}
// Couldn't find out the right ToolsVersion any other way, so just return the default.
return(defaultToolsVersion);
}
private List <ProjectItemInstance> FindItemsMatchingMetadataSpecification(
ICollection <ProjectItemInstance> group,
ProjectItemGroupTaskItemInstance child,
Expander <ProjectPropertyInstance, ProjectItemInstance> expander,
HashSet <string> matchOnMetadata,
MatchOnMetadataOptions matchingOptions)
{
ItemSpec <ProjectPropertyInstance, ProjectItemInstance> itemSpec = new ItemSpec <ProjectPropertyInstance, ProjectItemInstance>(child.Remove, expander, child.RemoveLocation, Project.Directory, true);
ProjectFileErrorUtilities.VerifyThrowInvalidProjectFile(
itemSpec.Fragments.All(f => f is ItemSpec <ProjectPropertyInstance, ProjectItemInstance> .ItemExpressionFragment),
BuildEventFileInfo.Empty,
"OM_MatchOnMetadataIsRestrictedToReferencedItems",
child.RemoveLocation,
child.Remove);
MetadataTrie <ProjectPropertyInstance, ProjectItemInstance> metadataSet = new MetadataTrie <ProjectPropertyInstance, ProjectItemInstance>(matchingOptions, matchOnMetadata, itemSpec);
return(group.Where(item => metadataSet.Contains(matchOnMetadata.Select(m => item.GetMetadataValue(m)))).ToList());
}
private bool TryAddAssemblyFromManifest(string pathToManifest, string manifestFolder, List <string> assembliesList, ElementLocation location)
{
if (!string.IsNullOrEmpty(pathToManifest) && !FileUtilities.FileExistsNoThrow(pathToManifest))
{
return(false);
}
string path = null;
try
{
// <SdkResolver>
// <Path>...</Path>
// </SdkResolver>
var manifest = SdkResolverManifest.Load(pathToManifest);
if (manifest == null || string.IsNullOrEmpty(manifest.Path))
{
ProjectFileErrorUtilities.ThrowInvalidProjectFile(new BuildEventFileInfo(location), "SdkResolverDllInManifestMissing", pathToManifest, string.Empty);
}
path = FileUtilities.FixFilePath(manifest.Path);
}
catch (XmlException e)
{
// Note: Not logging e.ToString() as most of the information is not useful, the Message will contain what is wrong with the XML file.
ProjectFileErrorUtilities.ThrowInvalidProjectFile(new BuildEventFileInfo(location), e, "SdkResolverManifestInvalid", pathToManifest, e.Message);
}
if (!Path.IsPathRooted(path))
{
path = Path.Combine(manifestFolder, path);
path = Path.GetFullPath(path);
}
if (!TryAddAssembly(path, assembliesList))
{
ProjectFileErrorUtilities.ThrowInvalidProjectFile(new BuildEventFileInfo(location), "SdkResolverDllInManifestMissing", pathToManifest, path);
}
return(true);
}
/// <summary>
/// Apply the Remove operation.
/// </summary>
/// <remarks>
/// This operation is mostly implemented in terms of the default <see cref="LazyItemOperation.ApplyImpl(ImmutableList{ItemData}.Builder, ImmutableHashSet{string})"/>.
/// This override exists to apply the removing-everything short-circuit.
/// </remarks>
protected override void ApplyImpl(ImmutableList <ItemData> .Builder listBuilder, ImmutableHashSet <string> globsToIgnore)
{
var matchOnMetadataValid = !_matchOnMetadata.IsEmpty && _itemSpec.Fragments.Count == 1 &&
_itemSpec.Fragments.First() is ItemSpec <ProjectProperty, ProjectItem> .ItemExpressionFragment;
ProjectFileErrorUtilities.VerifyThrowInvalidProjectFile(
_matchOnMetadata.IsEmpty || (matchOnMetadataValid && _matchOnMetadata.Count == 1),
new BuildEventFileInfo(string.Empty),
"OM_MatchOnMetadataIsRestrictedToOnlyOneReferencedItem");
if (_matchOnMetadata.IsEmpty && ItemspecContainsASingleBareItemReference(_itemSpec, _itemElement.ItemType))
{
// Perf optimization: If the Remove operation references itself (e.g. <I Remove="@(I)"/>)
// then all items are removed and matching is not necessary
listBuilder.Clear();
return;
}
base.ApplyImpl(listBuilder, globsToIgnore);
}
// todo port the self referencing matching optimization (e.g. <I Remove="@(I)">) from Update to Remove as well. Ideally make one mechanism for both. https://github.com/Microsoft/msbuild/issues/2314
// todo Perf: do not match against the globs: https://github.com/Microsoft/msbuild/issues/2329
protected override ImmutableList <I> SelectItems(ImmutableList <ItemData> .Builder listBuilder, ImmutableHashSet <string> globsToIgnore)
{
var matchOnMetadataValid = !_matchOnMetadata.IsEmpty && _itemSpec.Fragments.Count == 1 &&
_itemSpec.Fragments.First() is ItemSpec <ProjectProperty, ProjectItem> .ItemExpressionFragment;
ProjectFileErrorUtilities.VerifyThrowInvalidProjectFile(
_matchOnMetadata.IsEmpty || matchOnMetadataValid && _matchOnMetadata.Count == 1,
new BuildEventFileInfo(string.Empty),
"OM_MatchOnMetadataIsRestrictedToOnlyOneReferencedItem");
var items = ImmutableHashSet.CreateBuilder <I>();
foreach (ItemData item in listBuilder)
{
if (_matchOnMetadata.IsEmpty ? _itemSpec.MatchesItem(item.Item) : _itemSpec.MatchesItemOnMetadata(item.Item, _matchOnMetadata, _matchOnMetadataOptions))
{
items.Add(item.Item);
}
}
return(items.ToImmutableList());
}
private List <ProjectItemInstance> FindItemsUsingMatchOnMetadata(
ICollection <ProjectItemInstance> items,
ProjectItemGroupTaskItemInstance child,
ItemBucket bucket,
HashSet <string> matchOnMetadata,
MatchOnMetadataOptions options)
{
ErrorUtilities.VerifyThrowArgumentNull(matchOnMetadata, nameof(matchOnMetadata));
var itemSpec = new ItemSpec <ProjectPropertyInstance, ProjectItemInstance>(child.Remove, bucket.Expander, child.RemoveLocation, Project.Directory, true);
ProjectFileErrorUtilities.VerifyThrowInvalidProjectFile(
itemSpec.Fragments.Count == 1 &&
itemSpec.Fragments.First() is ItemSpec <ProjectPropertyInstance, ProjectItemInstance> .ItemExpressionFragment &&
matchOnMetadata.Count == 1,
new BuildEventFileInfo(string.Empty),
"OM_MatchOnMetadataIsRestrictedToOnlyOneReferencedItem",
child.RemoveLocation,
child.Remove);
return(items.Where(item => itemSpec.MatchesItemOnMetadata(item, matchOnMetadata, options)).ToList());
}
/// <summary>
/// Determines what the real tools version is.
/// </summary>
private string ResolveToolsVersion(BuildRequestData data, string defaultToolsVersion)
{
if (data.ExplicitToolsVersionSpecified)
{
return(data.ExplicitlySpecifiedToolsVersion);
}
// None was specified by the call, fall back to the project's ToolsVersion attribute
if (data.ProjectInstance != null)
{
return(data.ProjectInstance.Toolset.ToolsVersion);
}
if (FileUtilities.IsVCProjFilename(data.ProjectFullPath))
{
ProjectFileErrorUtilities.ThrowInvalidProjectFile(new BuildEventFileInfo(data.ProjectFullPath), "ProjectUpgradeNeededToVcxProj", data.ProjectFullPath);
}
// We used to "sniff" the tools version from the project XML by opening it and reading the attribute.
// This was causing unnecessary overhead since the ToolsVersion is never really used. Instead we just
// return the default tools version
return(defaultToolsVersion);
}
private (IReadOnlyCollection <ProjectGraphEntryPoint> NewEntryPoints, IReadOnlyDictionary <string, IReadOnlyCollection <string> > SolutionDependencies) ExpandSolutionIfPresent(IReadOnlyCollection <ProjectGraphEntryPoint> entryPoints)
{
if (entryPoints.Count == 0 || !entryPoints.Any(e => FileUtilities.IsSolutionFilename(e.ProjectFile)))
{
return(entryPoints, null);
}
if (entryPoints.Count != 1)
{
throw new ArgumentException(
ResourceUtilities.FormatResourceStringIgnoreCodeAndKeyword(
"StaticGraphAcceptsSingleSolutionEntryPoint",
string.Join(";", entryPoints.Select(e => e.ProjectFile))));
}
ErrorUtilities.VerifyThrowArgument(entryPoints.Count == 1, "StaticGraphAcceptsSingleSolutionEntryPoint");
var solutionEntryPoint = entryPoints.Single();
var solutionGlobalProperties = ImmutableDictionary.CreateRange(
keyComparer: StringComparer.OrdinalIgnoreCase,
valueComparer: StringComparer.OrdinalIgnoreCase,
items: solutionEntryPoint.GlobalProperties ?? ImmutableDictionary <string, string> .Empty);
var solution = SolutionFile.Parse(FileUtilities.NormalizePath(solutionEntryPoint.ProjectFile));
if (solution.SolutionParserWarnings.Count != 0 || solution.SolutionParserErrorCodes.Count != 0)
{
throw new InvalidProjectFileException(
ResourceUtilities.FormatResourceStringIgnoreCodeAndKeyword(
"StaticGraphSolutionLoaderEncounteredSolutionWarningsAndErrors",
solutionEntryPoint.ProjectFile,
string.Join(";", solution.SolutionParserWarnings),
string.Join(";", solution.SolutionParserErrorCodes)));
}
var projectsInSolution = GetBuildableProjects(solution);
var currentSolutionConfiguration = SelectSolutionConfiguration(solution, solutionGlobalProperties);
var newEntryPoints = new List <ProjectGraphEntryPoint>(projectsInSolution.Count);
foreach (var project in projectsInSolution)
{
if (project.ProjectConfigurations.Count == 0)
{
continue;
}
var projectConfiguration = SelectProjectConfiguration(currentSolutionConfiguration, project.ProjectConfigurations);
if (projectConfiguration.IncludeInBuild)
{
newEntryPoints.Add(
new ProjectGraphEntryPoint(
FileUtilities.NormalizePath(project.AbsolutePath),
solutionGlobalProperties
.SetItem("Configuration", projectConfiguration.ConfigurationName)
.SetItem("Platform", projectConfiguration.PlatformName)
));
}
}
newEntryPoints.TrimExcess();
return(newEntryPoints, GetSolutionDependencies(solution));
IReadOnlyCollection <ProjectInSolution> GetBuildableProjects(SolutionFile solutionFile)
{
return(solutionFile.ProjectsInOrder.Where(p => p.ProjectType == SolutionProjectType.KnownToBeMSBuildFormat).ToImmutableArray());
}
SolutionConfigurationInSolution SelectSolutionConfiguration(SolutionFile solutionFile, ImmutableDictionary <string, string> globalProperties)
{
var solutionConfiguration = globalProperties.ContainsKey("Configuration")
? globalProperties["Configuration"]
: solutionFile.GetDefaultConfigurationName();
var solutionPlatform = globalProperties.ContainsKey("Platform")
? globalProperties["Platform"]
: solutionFile.GetDefaultPlatformName();
return(new SolutionConfigurationInSolution(solutionConfiguration, solutionPlatform));
}
ProjectConfigurationInSolution SelectProjectConfiguration(
SolutionConfigurationInSolution solutionConfig,
IReadOnlyDictionary <string, ProjectConfigurationInSolution> projectConfigs)
{
// implements the matching described in https://docs.microsoft.com/en-us/visualstudio/ide/understanding-build-configurations?view=vs-2019#how-visual-studio-assigns-project-configuration
var solutionConfigFullName = solutionConfig.FullName;
if (projectConfigs.ContainsKey(solutionConfigFullName))
{
return(projectConfigs[solutionConfigFullName]);
}
var partiallyMarchedConfig = projectConfigs.FirstOrDefault(pc => pc.Value.ConfigurationName.Equals(solutionConfig.ConfigurationName, StringComparison.OrdinalIgnoreCase)).Value;
return(partiallyMarchedConfig ?? projectConfigs.First().Value);
}
IReadOnlyDictionary <string, IReadOnlyCollection <string> > GetSolutionDependencies(SolutionFile solutionFile)
{
var solutionDependencies = new Dictionary <string, IReadOnlyCollection <string> >();
foreach (var projectWithDependencies in solutionFile.ProjectsInOrder.Where(p => p.Dependencies.Count != 0))
{
solutionDependencies[FileUtilities.NormalizePath(projectWithDependencies.AbsolutePath)] = projectWithDependencies.Dependencies.Select(
dependencyGuid =>
{
// code snippet cloned from SolutionProjectGenerator.AddPropertyGroupForSolutionConfiguration
if (!solutionFile.ProjectsByGuid.TryGetValue(dependencyGuid, out var dependencyProject))
{
// If it's not itself part of the solution, that's an invalid solution
ProjectFileErrorUtilities.VerifyThrowInvalidProjectFile(
dependencyProject != null,
"SubCategoryForSolutionParsingErrors",
new BuildEventFileInfo(solutionFile.FullPath),
"SolutionParseProjectDepNotFoundError",
projectWithDependencies.ProjectGuid,
dependencyGuid);
}
// Add it to the list of dependencies, but only if it should build in this solution configuration
// (If a project is not selected for build in the solution configuration, it won't build even if it's depended on by something that IS selected for build)
// .. and only if it's known to be MSBuild format, as projects can't use the information otherwise
return(dependencyProject?.ProjectType == SolutionProjectType.KnownToBeMSBuildFormat
? FileUtilities.NormalizePath(dependencyProject.AbsolutePath)
: null);
})
.Where(p => p != null)
.ToArray();
}
return(solutionDependencies);
}
}
/// <summary>
/// Used to load information about default MSBuild tasks i.e. tasks that do not need to be explicitly declared in projects
/// with the <UsingTask> element. Default task information is read from special files, which are located in the same
/// directory as the MSBuild binaries.
/// </summary>
/// <remarks>
/// 1) a default tasks file needs the <Project> root tag in order to be well-formed
/// 2) the XML declaration tag <?xml ...> is ignored
/// 3) comment tags are always ignored regardless of their placement
/// 4) the rest of the tags are expected to be <UsingTask> tags
/// </remarks>
private void RegisterDefaultTasks(BuildEventContext buildEventContext)
{
if (!defaultTasksRegistrationAttempted)
{
try
{
this.defaultTaskRegistry = new TaskRegistry();
string[] defaultTasksFiles = { };
try
{
defaultTasksFiles = getFiles(toolset.ToolsPath, defaultTasksFilePattern);
if (defaultTasksFiles.Length == 0)
{
loggingServices.LogWarning(buildEventContext, new BuildEventFileInfo(/* this warning truly does not involve any file */ String.Empty),
"DefaultTasksFileLoadFailureWarning",
defaultTasksFilePattern, toolset.ToolsPath, String.Empty);
}
}
// handle security problems when finding the default tasks files
catch (UnauthorizedAccessException e)
{
loggingServices.LogWarning(buildEventContext, new BuildEventFileInfo(/* this warning truly does not involve any file */ String.Empty),
"DefaultTasksFileLoadFailureWarning",
defaultTasksFilePattern, toolset.ToolsPath, e.Message);
}
// handle problems when reading the default tasks files
catch (Exception e) // Catching Exception, but rethrowing unless it's an IO related exception.
{
if (ExceptionHandling.NotExpectedException(e))
{
throw;
}
loggingServices.LogWarning(buildEventContext, new BuildEventFileInfo(/* this warning truly does not involve any file */ String.Empty),
"DefaultTasksFileLoadFailureWarning",
defaultTasksFilePattern, toolset.ToolsPath, e.Message);
}
BuildPropertyGroup propertyBag = null;
foreach (string defaultTasksFile in defaultTasksFiles)
{
try
{
XmlDocument defaultTasks = loadXmlFromPath(defaultTasksFile);
// look for the first root tag that is not a comment or an XML declaration -- this should be the <Project> tag
// NOTE: the XML parser will guarantee there is only one real root element in the file
// but we need to find it amongst the other types of XmlNode at the root.
foreach (XmlNode topLevelNode in defaultTasks.ChildNodes)
{
if (XmlUtilities.IsXmlRootElement(topLevelNode))
{
ProjectErrorUtilities.VerifyThrowInvalidProject(topLevelNode.LocalName == XMakeElements.project,
topLevelNode, "UnrecognizedElement", topLevelNode.Name);
ProjectErrorUtilities.VerifyThrowInvalidProject((topLevelNode.Prefix.Length == 0) && (String.Equals(topLevelNode.NamespaceURI, XMakeAttributes.defaultXmlNamespace, StringComparison.OrdinalIgnoreCase)),
topLevelNode, "ProjectMustBeInMSBuildXmlNamespace", XMakeAttributes.defaultXmlNamespace);
// the <Project> tag can only the XML namespace -- no other attributes
foreach (XmlAttribute projectAttribute in topLevelNode.Attributes)
{
ProjectXmlUtilities.VerifyThrowProjectInvalidAttribute(projectAttribute.Name == XMakeAttributes.xmlns, projectAttribute);
}
// look at all the child tags of the <Project> root tag we found
foreach (XmlNode usingTaskNode in topLevelNode.ChildNodes)
{
if (usingTaskNode.NodeType != XmlNodeType.Comment)
{
ProjectErrorUtilities.VerifyThrowInvalidProject(usingTaskNode.Name == XMakeElements.usingTask,
usingTaskNode, "UnrecognizedElement", usingTaskNode.Name);
// Initialize the property bag if it hasn't been already.
if (propertyBag == null)
{
// Set the value of the MSBuildBinPath/ToolsPath properties.
BuildPropertyGroup reservedPropertyBag = new BuildPropertyGroup();
reservedPropertyBag.SetProperty(
new BuildProperty(ReservedPropertyNames.binPath, EscapingUtilities.Escape(toolset.ToolsPath),
PropertyType.ReservedProperty));
reservedPropertyBag.SetProperty(
new BuildProperty(ReservedPropertyNames.toolsPath, EscapingUtilities.Escape(toolset.ToolsPath),
PropertyType.ReservedProperty));
// Also set MSBuildAssemblyVersion so that the tasks file can tell between v4 and v12 MSBuild
reservedPropertyBag.SetProperty(
new BuildProperty(ReservedPropertyNames.assemblyVersion, Constants.AssemblyVersion,
PropertyType.ReservedProperty));
propertyBag = new BuildPropertyGroup();
propertyBag.ImportInitialProperties(parentEngine.EnvironmentProperties, reservedPropertyBag, BuildProperties, parentEngine.GlobalProperties);
}
defaultTaskRegistry.RegisterTask(new UsingTask((XmlElement)usingTaskNode, true), new Expander(propertyBag), loggingServices, buildEventContext);
}
}
break;
}
}
}
// handle security problems when loading the default tasks file
catch (UnauthorizedAccessException e)
{
loggingServices.LogError(buildEventContext, new BuildEventFileInfo(defaultTasksFile), "DefaultTasksFileFailure", e.Message);
break;
}
// handle problems when loading the default tasks file
catch (IOException e)
{
loggingServices.LogError(buildEventContext, new BuildEventFileInfo(defaultTasksFile), "DefaultTasksFileFailure", e.Message);
break;
}
// handle XML errors in the default tasks file
catch (XmlException e)
{
ProjectFileErrorUtilities.VerifyThrowInvalidProjectFile(false, new BuildEventFileInfo(e),
"DefaultTasksFileFailure", e.Message);
}
}
}
finally
{
defaultTasksRegistrationAttempted = true;
}
}
}
/// <summary>
/// Validates a project against the given schema -- if no schema is provided, uses the default schema.
/// </summary>
/// <owner>JomoF</owner>
/// <param name="contentReader"></param>
/// <param name="schemaFile">Can be null.</param>
/// <param name="projectFile"></param>
private void VerifyProjectSchema
(
TextReader contentReader,
string schemaFile,
string projectFile
)
{
// Options for XmlReader object can be set only in constructor. After the object is created, they
// become read-only. Because of that we need to create
// XmlSettings structure, fill it in with correct parameters and pass into XmlReader constructor.
XmlReaderSettings validatorSettings = new XmlReaderSettings();
validatorSettings.ValidationType = ValidationType.Schema;
validatorSettings.XmlResolver = null;
validatorSettings.ValidationEventHandler += this.OnSchemaValidationError;
if (string.IsNullOrEmpty(schemaFile))
{
schemaFile = Path.Combine(binPath, "Microsoft.Build.xsd");
}
// Log the schema file we're using, particularly since it can vary
// according to the toolset being used
engineLoggingServices.LogComment(buildEventContext, "SchemaFileLocation", schemaFile);
XmlTextReader schemaReader = new XmlTextReader(schemaFile);
schemaReader.DtdProcessing = DtdProcessing.Ignore;
using (schemaReader)
{
try
{
validatorSettings.Schemas.Add(XMakeAttributes.defaultXmlNamespace, schemaReader);
// We need full path to the project file to be able handle it as URI in ValidationEventHandler.
// Uri class cannot instantiate with relative paths.
if (projectFile.Length != 0)
{
projectFile = Path.GetFullPath(projectFile);
}
using (XmlReader validator = XmlReader.Create(contentReader, validatorSettings, projectFile)) // May also throw XmlSchemaException
{
this.syntaxError = false;
bool couldRead = true;
while (couldRead)
{
try
{
couldRead = validator.Read();
}
catch (XmlException)
{
// We swallow exception here because XmlValidator fires the validation event to report the error
// And we handle the event. Also XmlValidator can continue parsing Xml text after throwing an exception.
// Thus we don't need any special recover here.
}
}
ProjectFileErrorUtilities.VerifyThrowInvalidProjectFile(!this.syntaxError, "SubCategoryForSchemaValidationErrors",
new BuildEventFileInfo(projectFile), "ProjectSchemaErrorHalt");
}
}
// handle errors in the schema itself
catch (XmlException e)
{
ProjectFileErrorUtilities.VerifyThrowInvalidProjectFile(false, "SubCategoryForSchemaValidationErrors", new BuildEventFileInfo(e),
"InvalidSchemaFile", schemaFile, e.Message);
}
// handle errors in the schema itself
catch (XmlSchemaException e)
{
ProjectFileErrorUtilities.VerifyThrowInvalidProjectFile(false, "SubCategoryForSchemaValidationErrors", new BuildEventFileInfo(e),
"InvalidSchemaFile", schemaFile, e.Message);
}
}
}
