/// <summary>
/// Constructs a new NugetAnalyzed Package.
/// </summary>
/// <remarks>
/// In case of failure it will log a detailed message and return null.
/// </remarks>
public static NugetAnalyzedPackage TryAnalyzeNugetPackage(
FrontEndContext context,
NugetFrameworkMonikers nugetFrameworkMonikers,
XDocument nuSpec,
PackageOnDisk packageOnDisk,
Dictionary <string, INugetPackage> packagesOnConfig,
bool doNotEnforceDependencyVersions)
{
Contract.Requires(context != null);
Contract.Requires(nuSpec != null);
Contract.Requires(packageOnDisk != null);
Contract.Requires(packageOnDisk.NuSpecFile.IsValid);
var analyzedPackage = new NugetAnalyzedPackage(context, nugetFrameworkMonikers, nuSpec, packageOnDisk,
packagesOnConfig, doNotEnforceDependencyVersions);
if (!analyzedPackage.TryParseDependenciesFromNuSpec())
{
return(null);
}
analyzedPackage.ParseManagedSemantics();
analyzedPackage.UpdateForMissingQualifierConversionFunction();
return(analyzedPackage);
}
/// <nodoc />
public NugetSpecGenerator(PathTable pathTable, NugetAnalyzedPackage analyzedPackage)
{
m_pathTable = pathTable;
m_analyzedPackage = analyzedPackage;
m_packageOnDisk = analyzedPackage.PackageOnDisk;
m_nugetFrameworkMonikers = new NugetFrameworkMonikers(pathTable.StringTable);
m_xmlExtension = PathAtom.Create(pathTable.StringTable, ".xml");
m_pdbExtension = PathAtom.Create(pathTable.StringTable, ".pdb");
}
/// <summary>
/// Given a dictionary of packageID -> NugetAnalyzedPackage that is closed under dependencies (if a nuget package A depends on B, if
/// A is in the dictionary then B is in the dictionary), updates the set of supported target frameworks for each package considering its package
/// dependencies.
/// </summary>
/// <remarks>
/// The way the patch works is as follows:
/// - For a managed package, the set of supported frameworks is explicit given the package directory structure, so it is left as is
/// - For a non-managed package, the patched set of supported frameworks is the union of the supported frameworks of all its dependencies, considering
/// that all its dependencies were already patched
/// </remarks>
public static bool TryPatchSupportedTargetFrameworksForPackageExtent(NugetFrameworkMonikers nugetFrameworkMonikers, IDictionary <string, NugetAnalyzedPackage> packageExtent, out NugetFailure failure)
{
// We topo sort the list of packages, where dependents are always after their dependencies
if (!TryToposortPackages(packageExtent, out List <NugetAnalyzedPackage> sortedAnalyzedPackages, out failure))
{
return(false);
}
// We traverse the list from head to tail, so when we retrieve a dependency, it is already patched
foreach (var analyzedPackage in sortedAnalyzedPackages)
{
var targetFrameworkWithFallBacks = analyzedPackage.TargetFrameworkWithFallbacks;
// If the package is managed, the qualifier space is already the right one
if (analyzedPackage.IsManagedPackage)
{
/*
* TODO:Nuget: Another workaround to make Nuget packages that are already exposing .NET Standard targets compatible to .NET Framework 452 qualifiers,
* unfortunately we have many of those in use with BuildXL already e.g. ProtocolReader. This makes coercing between .NETStandard1.1 packages and
* .NET Framework 4.5.1 work, until we have proper support built in. If we encounter more packages with different .NETStandard this would
* at least be the only place we introduce more special casing.
*/
if (targetFrameworkWithFallBacks.Count == 1)
{
if (targetFrameworkWithFallBacks.Keys.FirstOrDefault().Equals(nugetFrameworkMonikers.NetStandard10) ||
targetFrameworkWithFallBacks.Keys.FirstOrDefault().Equals(nugetFrameworkMonikers.NetStandard11))
{
targetFrameworkWithFallBacks.Add(nugetFrameworkMonikers.Net472);
targetFrameworkWithFallBacks.Add(nugetFrameworkMonikers.Net462);
targetFrameworkWithFallBacks.Add(nugetFrameworkMonikers.Net461);
targetFrameworkWithFallBacks.Add(nugetFrameworkMonikers.Net46);
targetFrameworkWithFallBacks.Add(nugetFrameworkMonikers.Net452);
targetFrameworkWithFallBacks.Add(nugetFrameworkMonikers.Net451);
targetFrameworkWithFallBacks.Add(nugetFrameworkMonikers.Net45);
}
}
continue;
}
// Otherwise, we compute the union of the qualifier spaces of its dependencies
foreach (var dependency in analyzedPackage.Dependencies)
{
Contract.Assert(packageExtent.Keys.Contains(dependency.GetPackageIdentity()));
var analyzedDependency = packageExtent[dependency.GetPackageIdentity()];
CombineTargetFrameworksForUnmanagedPackage(targetFrameworkWithFallBacks, analyzedDependency.TargetFrameworkWithFallbacks);
}
}
return(true);
}
/// <nodoc/>
private NugetAnalyzedPackage(
FrontEndContext context,
NugetFrameworkMonikers nugetFrameworkMonikers,
XDocument nuSpec,
PackageOnDisk packageOnDisk,
Dictionary <string, INugetPackage> packagesOnConfig,
bool doNotEnforceDependencyVersions)
{
m_context = context;
m_nuSpec = nuSpec;
PackageOnDisk = packageOnDisk;
NugetFrameworkMonikers = nugetFrameworkMonikers;
m_packagesOnConfig = packagesOnConfig;
m_doNotEnforceDependencyVersions = doNotEnforceDependencyVersions;
TargetFrameworkWithFallbacks = new MultiValueDictionary <Moniker, Moniker>();
}
/// <nodoc/>
private NugetAnalyzedPackage(
FrontEndContext context,
NugetFrameworkMonikers nugetFrameworkMonikers,
PackageOnDisk packageOnDisk,
Dictionary <string, INugetPackage> packagesOnConfig,
bool doNotEnforceDependencyVersions)
{
m_context = context;
PackageOnDisk = packageOnDisk;
NugetFrameworkMonikers = nugetFrameworkMonikers;
m_packagesOnConfig = packagesOnConfig;
m_doNotEnforceDependencyVersions = doNotEnforceDependencyVersions;
TargetFrameworks = new List <Moniker>();
References = new MultiValueDictionary <NugetTargetFramework, RelativePath>();
Libraries = new MultiValueDictionary <NugetTargetFramework, RelativePath>();
AssemblyToTargetFramework = new MultiValueDictionary <PathAtom, NugetTargetFramework>();
m_dependencies = new List <INugetPackage>();
DependenciesPerFramework = new MultiValueDictionary <PathAtom, INugetPackage>();
}
/// <summary>
/// Constructs a new NugetAnalyzed Package.
/// </summary>
/// <remarks>
/// In case of failure it will log a detailed message and return null.
/// </remarks>
public static NugetAnalyzedPackage TryAnalyzeNugetPackage(
FrontEndContext context,
NugetFrameworkMonikers nugetFrameworkMonikers,
[CanBeNull] XDocument nuSpec,
PackageOnDisk packageOnDisk,
Dictionary <string, INugetPackage> packagesOnConfig,
bool doNotEnforceDependencyVersions)
{
Contract.Requires(context != null);
Contract.Requires(packageOnDisk != null);
var analyzedPackage = new NugetAnalyzedPackage(context, nugetFrameworkMonikers, packageOnDisk,
packagesOnConfig, doNotEnforceDependencyVersions);
analyzedPackage.ParseManagedSemantics();
if (nuSpec != null && !analyzedPackage.TryParseDependenciesFromNuSpec(nuSpec))
{
return(null);
}
return(analyzedPackage);
}
