public ProjectContext Build()
{
ProjectDirectory = Project?.ProjectDirectory ?? ProjectDirectory;
if (GlobalSettings == null)
{
RootDirectory = ProjectRootResolver.ResolveRootDirectory(ProjectDirectory);
GlobalSettings globalSettings;
if (GlobalSettings.TryGetGlobalSettings(RootDirectory, out globalSettings))
{
GlobalSettings = globalSettings;
}
}
RootDirectory = GlobalSettings?.DirectoryPath ?? RootDirectory;
PackagesDirectory = PackagesDirectory ?? PackageDependencyProvider.ResolvePackagesPath(RootDirectory, GlobalSettings);
ReferenceAssembliesPath = ReferenceAssembliesPath ?? GetDefaultReferenceAssembliesPath();
LockFileLookup lockFileLookup = null;
EnsureProjectLoaded();
var projectLockJsonPath = Path.Combine(ProjectDirectory, LockFile.FileName);
if (LockFile == null && File.Exists(projectLockJsonPath))
{
LockFile = LockFileReader.Read(projectLockJsonPath);
}
var validLockFile = true;
string lockFileValidationMessage = null;
if (LockFile != null)
{
validLockFile = LockFile.IsValidForProject(Project, out lockFileValidationMessage);
lockFileLookup = new LockFileLookup(LockFile);
}
var libraries = new Dictionary<LibraryKey, LibraryDescription>();
var projectResolver = new ProjectDependencyProvider();
var mainProject = projectResolver.GetDescription(TargetFramework, Project);
// Add the main project
libraries.Add(new LibraryKey(mainProject.Identity.Name), mainProject);
LockFileTarget target = null;
if (lockFileLookup != null)
{
target = SelectTarget(LockFile);
if (target != null)
{
var packageResolver = new PackageDependencyProvider(PackagesDirectory);
ScanLibraries(target, lockFileLookup, libraries, packageResolver, projectResolver);
}
}
var frameworkReferenceResolver = new FrameworkReferenceResolver(ReferenceAssembliesPath);
var referenceAssemblyDependencyResolver = new ReferenceAssemblyDependencyResolver(frameworkReferenceResolver);
bool requiresFrameworkAssemblies;
// Resolve the dependencies
ResolveDependencies(libraries, referenceAssemblyDependencyResolver, out requiresFrameworkAssemblies);
var diagnostics = new List<DiagnosticMessage>();
// REVIEW: Should this be in NuGet (possibly stored in the lock file?)
if (LockFile == null)
{
diagnostics.Add(new DiagnosticMessage(
ErrorCodes.NU1009,
$"The expected lock file doesn't exist. Please run \"dnu restore\" to generate a new lock file.",
Path.Combine(Project.ProjectDirectory, LockFile.FileName),
DiagnosticMessageSeverity.Error));
}
if (!validLockFile)
{
diagnostics.Add(new DiagnosticMessage(
ErrorCodes.NU1006,
$"{lockFileValidationMessage}. Please run \"dnu restore\" to generate a new lock file.",
Path.Combine(Project.ProjectDirectory, LockFile.FileName),
DiagnosticMessageSeverity.Warning));
}
if (requiresFrameworkAssemblies && !frameworkReferenceResolver.IsInstalled(TargetFramework))
{
var frameworkInfo = Project.GetTargetFramework(TargetFramework);
// If there was an attempt to use reference assemblies but they were not installed
// report an error
diagnostics.Add(new DiagnosticMessage(
ErrorCodes.DOTNET1011,
$"Framework not installed: {TargetFramework.DotNetFrameworkName}",
filePath: Project.ProjectFilePath,
severity: DiagnosticMessageSeverity.Error,
startLine: frameworkInfo.Line,
startColumn: frameworkInfo.Column
));
}
// Create a library manager
var libraryManager = new LibraryManager(libraries.Values.ToList(), diagnostics);
return new ProjectContext(
GlobalSettings,
mainProject,
TargetFramework,
target?.RuntimeIdentifier,
PackagesDirectory,
libraryManager);
}
private void ResolveDependencies(Dictionary<LibraryKey, LibraryDescription> libraries,
ReferenceAssemblyDependencyResolver referenceAssemblyDependencyResolver,
out bool requiresFrameworkAssemblies)
{
requiresFrameworkAssemblies = false;
foreach (var library in libraries.Values.ToList())
{
if (Equals(library.Identity.Type, LibraryType.Package) &&
!Directory.Exists(library.Path))
{
// If the package path doesn't exist then mark this dependency as unresolved
library.Resolved = false;
}
library.Framework = library.Framework ?? TargetFramework;
foreach (var dependency in library.Dependencies)
{
var keyType = dependency.Target == LibraryType.ReferenceAssembly ? LibraryType.ReferenceAssembly : LibraryType.Unspecified;
var key = new LibraryKey(dependency.Name, keyType);
LibraryDescription dep;
if (!libraries.TryGetValue(key, out dep))
{
if (Equals(LibraryType.ReferenceAssembly, dependency.Target))
{
requiresFrameworkAssemblies = true;
dep = referenceAssemblyDependencyResolver.GetDescription(dependency, TargetFramework) ??
UnresolvedDependencyProvider.GetDescription(dependency, TargetFramework);
dep.Framework = TargetFramework;
libraries[key] = dep;
}
else
{
dep = UnresolvedDependencyProvider.GetDescription(dependency, TargetFramework);
libraries[key] = dep;
}
}
dep.RequestedRanges.Add(dependency);
dep.Parents.Add(library);
}
}
}
