private static AssemblyResolutionResult ResolveAssembly(string assemblyName, IList <string> searchPaths, IList <string> targetFrameworkDirectories, bool checkDependencies)
{
ResolveAssemblyReference reference = new ResolveAssemblyReference();
MockEngine engine = new MockEngine();
reference.BuildEngine = engine;
if (searchPaths != null)
{
reference.SearchPaths = searchPaths.ToArray <string>();
}
if (targetFrameworkDirectories != null)
{
reference.TargetFrameworkDirectories = targetFrameworkDirectories.ToArray <string>();
}
reference.Assemblies = new ITaskItem[] { new TaskItem(assemblyName) };
reference.Silent = true;
reference.Execute();
AssemblyResolutionResult result = new AssemblyResolutionResult();
List <string> list = new List <string>();
foreach (ITaskItem item in reference.ResolvedFiles)
{
list.Add(item.ItemSpec);
}
if (checkDependencies)
{
CheckOutOfRangeDependencies(assemblyName);
}
result.ResolvedFiles = list.ToArray();
result.Warnings = engine.Warnings;
result.Errors = engine.Errors;
return(result);
}
internal static ReferenceAssemblyType GetPathToReferenceAssembly(Assembly a, out string path, ICollection <BuildErrorEventArgs> errors, ICollection <BuildWarningEventArgs> warnings, bool checkDependencies)
{
lock (s_lock)
{
if (AssemblyLocations.TryGetValue(a, out path))
{
return(ReferenceAssemblyTypes[a]);
}
}
if ((TargetFrameworkReferenceAssemblyPaths == null) || (TargetFrameworkReferenceAssemblyPaths.Count == 0))
{
path = Util.GetAssemblyCodeBase(a);
return(ReferenceAssemblyType.FrameworkAssembly);
}
AssemblyResolutionResult result = null;
ReferenceAssemblyType nonFrameworkAssembly = ReferenceAssemblyType.NonFrameworkAssembly;
if (BuildResultCompiledAssemblyBase.AssemblyIsInCodegenDir(a))
{
path = Util.GetAssemblyCodeBase(a);
}
else
{
nonFrameworkAssembly = GetPathToReferenceAssembly(a, out path, errors, warnings, checkDependencies, true, out result);
}
StoreResults(a, path, result, nonFrameworkAssembly);
return(nonFrameworkAssembly);
}
private static void StoreResults(Assembly a, string path, AssemblyResolutionResult result, ReferenceAssemblyType assemblyType)
{
lock (s_lock) {
if (!AssemblyLocations.ContainsKey(a))
{
AssemblyLocations.Add(a, path);
AssemblyResolutionResults.Add(a, result);
ReferenceAssemblyTypes.Add(a, assemblyType);
}
}
}
internal static ReferenceAssemblyType GetPathToReferenceAssembly(Assembly a, out string path,
ICollection <BuildErrorEventArgs> errors, ICollection <BuildWarningEventArgs> warnings,
bool checkDependencies)
{
lock (s_lock) {
if (AssemblyLocations.TryGetValue(a, out path))
{
return(ReferenceAssemblyTypes[a]);
}
}
// If there are no reference assemblies available, just use the path to the loaded assembly.
if (TargetFrameworkReferenceAssemblyPaths == null || TargetFrameworkReferenceAssemblyPaths.Count == 0)
{
path = System.Web.UI.Util.GetAssemblyCodeBase(a);
return(ReferenceAssemblyType.FrameworkAssembly);
}
AssemblyResolutionResult result = null;
ReferenceAssemblyType referenceAssemblyType = ReferenceAssemblyType.NonFrameworkAssembly;
// If the assembly is generated by us, it is a non framework assembly and does not need to be resolved.
if (BuildResultCompiledAssemblyBase.AssemblyIsInCodegenDir(a))
{
path = System.Web.UI.Util.GetAssemblyCodeBase(a);
}
else
{
// Try using the assembly full name.
referenceAssemblyType = GetPathToReferenceAssembly(a, out path, errors, warnings,
checkDependencies, true /*useFullName*/, out result);
}
StoreResults(a, path, result, referenceAssemblyType);
return(referenceAssemblyType);
}
private static ReferenceAssemblyType GetPathToReferenceAssembly(Assembly a, out string path, ICollection <BuildErrorEventArgs> errors, ICollection <BuildWarningEventArgs> warnings, bool checkDependencies, bool useFullName, out AssemblyResolutionResult result)
{
string originalAssemblyName;
string name = a.GetName().Name;
if (useFullName)
{
originalAssemblyName = CompilationSection.GetOriginalAssemblyName(a);
}
else
{
originalAssemblyName = name;
}
result = ResolveAssembly(originalAssemblyName, TargetFrameworkReferenceAssemblyPaths, TargetFrameworkReferenceAssemblyPaths, false);
if ((result.ResolvedFiles != null) && (result.ResolvedFiles.Count > 0))
{
path = result.ResolvedFiles.FirstOrDefault <string>();
FixMscorlibPath(a, ref path);
return(ReferenceAssemblyType.FrameworkAssembly);
}
result = ResolveAssembly(originalAssemblyName, HigherFrameworkReferenceAssemblyPaths, HigherFrameworkReferenceAssemblyPaths, false);
if ((result.ResolvedFiles != null) && (result.ResolvedFiles.Count > 0))
{
path = result.ResolvedFiles.FirstOrDefault <string>();
return(ReferenceAssemblyType.FrameworkAssemblyOnlyPresentInHigherVersion);
}
if (NeedToCheckFullProfile)
{
result = ResolveAssembly(originalAssemblyName, FullProfileReferenceAssemblyPaths, FullProfileReferenceAssemblyPaths, false);
if ((result.ResolvedFiles != null) && (result.ResolvedFiles.Count > 0))
{
path = result.ResolvedFiles.FirstOrDefault <string>();
string str3 = "";
if (!string.IsNullOrEmpty(MultiTargetingUtil.TargetFrameworkName.Profile))
{
str3 = " '" + MultiTargetingUtil.TargetFrameworkName.Profile + "'";
}
ReportWarningOrError(System.Web.SR.GetString("Assembly_not_found_in_profile", new object[] { originalAssemblyName, str3 }));
return(ReferenceAssemblyType.FrameworkAssemblyOnlyPresentInHigherVersion);
}
}
List <string> searchPaths = new List <string>();
searchPaths.AddRange(TargetFrameworkReferenceAssemblyPaths);
searchPaths.Add(Path.GetDirectoryName(a.Location));
if (useFullName)
{
searchPaths.Add("{GAC}");
}
if (!useFullName)
{
originalAssemblyName = a.GetName().FullName;
}
result = ResolveAssembly(originalAssemblyName, searchPaths, TargetFrameworkReferenceAssemblyPaths, checkDependencies);
path = result.ResolvedFiles.FirstOrDefault <string>();
if (string.IsNullOrEmpty(path))
{
path = Util.GetAssemblyCodeBase(a);
}
if (useFullName)
{
AssemblyResolutionResult result2 = ResolveAssembly(name, HigherFrameworkReferenceAssemblyPaths, HigherFrameworkReferenceAssemblyPaths, false);
if ((result2.ResolvedFiles != null) && (result2.ResolvedFiles.Count > 0))
{
return(ReferenceAssemblyType.FrameworkAssembly);
}
}
return(ReferenceAssemblyType.NonFrameworkAssembly);
}
private static ReferenceAssemblyType GetPathToReferenceAssembly(Assembly a, out string path,
ICollection <BuildErrorEventArgs> errors, ICollection <BuildWarningEventArgs> warnings,
bool checkDependencies, bool useFullName, out AssemblyResolutionResult result)
{
// 1. Find the assembly using RAR in the target framework.
// - If found, assembly is a framework assembly. Done
// 2. Find the assembly using RAR in higher frameworks.
// - If found, assembly is a framework assembly only present in a higher version. Done.
// 3. Find the assembly using RAR in the full profile framework.
// - If found, assembly is a framework assembly, but is only present in the full profile framework and not the current target profile. Done.
// 4. Is useFullName true?
// - Yes: Use GAC and directory of loaded assembly as search paths.
// - No: Use directory of loaded assembly as search path.
// - Use RAR to find assembly in search paths.
// - Check for out of range dependencies.
// 5. If useFullName
// - Check if the short name exists in a higher framework, if so, it is a framework assembly.
// Find the assembly in the target framework.
string assemblyName;
string partialName = a.GetName().Name;
if (useFullName)
{
// Use the actual assembly name as specified in the config.
assemblyName = CompilationSection.GetOriginalAssemblyName(a);
}
else
{
assemblyName = partialName;
}
result = ResolveAssembly(assemblyName, TargetFrameworkReferenceAssemblyPaths,
TargetFrameworkReferenceAssemblyPaths, false /*checkDependencies*/);
if (result.ResolvedFiles != null && result.ResolvedFiles.Count > 0)
{
path = result.ResolvedFiles.FirstOrDefault();
return(ReferenceAssemblyType.FrameworkAssembly);
}
// At this point, the assembly was not found in the target framework.
// Try finding it in the latest framework.
result = ResolveAssembly(assemblyName, HigherFrameworkReferenceAssemblyPaths, HigherFrameworkReferenceAssemblyPaths,
false /*checkDependencies*/);
if (result.ResolvedFiles != null && result.ResolvedFiles.Count > 0)
{
path = result.ResolvedFiles.FirstOrDefault();
// Assembly was found in a target framework of a later version.
return(ReferenceAssemblyType.FrameworkAssemblyOnlyPresentInHigherVersion);
}
// Try to find the assembly in the full profile, in case the user
// is using an assembly that is not in the target profile framework.
// For example, System.Web is not present in the Client profile, but is present in the full profile.
if (NeedToCheckFullProfile)
{
result = ResolveAssembly(assemblyName, FullProfileReferenceAssemblyPaths, FullProfileReferenceAssemblyPaths,
false /*checkDependencies*/);
if (result.ResolvedFiles != null && result.ResolvedFiles.Count > 0)
{
// Assembly was found in the full profile, but not in the target profile.
path = result.ResolvedFiles.FirstOrDefault();
// Report warning/error message.
string profile = "";
if (!string.IsNullOrEmpty(MultiTargetingUtil.TargetFrameworkName.Profile))
{
profile = " '" + MultiTargetingUtil.TargetFrameworkName.Profile + "'";
}
ReportWarningOrError(SR.GetString(SR.Assembly_not_found_in_profile, assemblyName, profile));
// Return as OnlyPresentInHigherVersion so that it will not be used as a reference assembly.
return(ReferenceAssemblyType.FrameworkAssemblyOnlyPresentInHigherVersion);
}
}
// Assembly is not found in the framework.
// Check whether it has any references to assemblies of a higher version.
List <string> searchPaths = new List <string>();
searchPaths.AddRange(TargetFrameworkReferenceAssemblyPaths);
searchPaths.Add(Path.GetDirectoryName(a.Location));
// If we are using full names, include the GAC so that we can retrieve the actual
// specified version of an OOB assembly even if it is unified/redirected to a later version.
// For example, System.Web.Extensions 1.0.61025 is available from the GAC, but the actual
// loaded assembly is 4.0 due to unification.
if (useFullName)
{
searchPaths.Add("{GAC}");
}
// When checking dependencies of a custom assembly, use the full
// name of the assembly as it might have a strong name or
// be in the GAC.
if (!useFullName)
{
assemblyName = a.GetName().FullName;
}
result = ResolveAssembly(assemblyName, searchPaths, TargetFrameworkReferenceAssemblyPaths, checkDependencies);
// Use the actual resolved path, in case the loaded assembly is different from the specified assembly
// due to unification or binding redirect.
path = result.ResolvedFiles.FirstOrDefault();
if (string.IsNullOrEmpty(path))
{
// In some cases, we might not be able to resolve the path to the assembly successfully, for example when
// the config specifies the full name as System.Web 4.0.10101.0. Assembly.Load returns the 4.0.0.0 version,
// but we can't find any actual assembly with such a full name.
path = System.Web.UI.Util.GetAssemblyCodeBase(a);
}
// If we are using full names, do another check using the partial name to see if the assembly is part of
// a higher framework.
// If so, then this is an OOB assembly that later got rolled into the framework, so we consider the assembly
// as a framework assembly.
if (useFullName)
{
AssemblyResolutionResult r = ResolveAssembly(partialName, HigherFrameworkReferenceAssemblyPaths, HigherFrameworkReferenceAssemblyPaths,
false /*checkDependencies*/);
if (r.ResolvedFiles != null && r.ResolvedFiles.Count > 0)
{
return(ReferenceAssemblyType.FrameworkAssembly);
}
}
return(ReferenceAssemblyType.NonFrameworkAssembly);
}
private static ReferenceAssemblyType GetPathToReferenceAssembly(Assembly a, out string path,
ICollection<BuildErrorEventArgs> errors, ICollection<BuildWarningEventArgs> warnings,
bool checkDependencies, bool useFullName, out AssemblyResolutionResult result) {
// 1. Find the assembly using RAR in the target framework.
// - If found, assembly is a framework assembly. Done
// 2. Find the assembly using RAR in higher frameworks.
// - If found, assembly is a framework assembly only present in a higher version. Done.
// 3. Find the assembly using RAR in the full profile framework.
// - If found, assembly is a framework assembly, but is only present in the full profile framework and not the current target profile. Done.
// 4. Is useFullName true?
// - Yes: Use GAC and directory of loaded assembly as search paths.
// - No: Use directory of loaded assembly as search path.
// - Use RAR to find assembly in search paths.
// - Check for out of range dependencies.
// 5. If useFullName
// - Check if the short name exists in a higher framework, if so, it is a framework assembly.
// Find the assembly in the target framework.
string assemblyName;
string partialName = a.GetName().Name;
if (useFullName) {
// Use the actual assembly name as specified in the config.
assemblyName = CompilationSection.GetOriginalAssemblyName(a);
}
else {
assemblyName = partialName;
}
result = ResolveAssembly(assemblyName, TargetFrameworkReferenceAssemblyPaths,
TargetFrameworkReferenceAssemblyPaths, false /*checkDependencies*/);
if (result.ResolvedFiles != null && result.ResolvedFiles.Count > 0) {
path = result.ResolvedFiles.FirstOrDefault();
return ReferenceAssemblyType.FrameworkAssembly;
}
// At this point, the assembly was not found in the target framework.
// Try finding it in the latest framework.
result = ResolveAssembly(assemblyName, HigherFrameworkReferenceAssemblyPaths, HigherFrameworkReferenceAssemblyPaths,
false /*checkDependencies*/);
if (result.ResolvedFiles != null && result.ResolvedFiles.Count > 0) {
path = result.ResolvedFiles.FirstOrDefault();
// Assembly was found in a target framework of a later version.
return ReferenceAssemblyType.FrameworkAssemblyOnlyPresentInHigherVersion;
}
// Try to find the assembly in the full profile, in case the user
// is using an assembly that is not in the target profile framework.
// For example, System.Web is not present in the Client profile, but is present in the full profile.
if (NeedToCheckFullProfile) {
result = ResolveAssembly(assemblyName, FullProfileReferenceAssemblyPaths, FullProfileReferenceAssemblyPaths,
false /*checkDependencies*/);
if (result.ResolvedFiles != null && result.ResolvedFiles.Count > 0) {
// Assembly was found in the full profile, but not in the target profile.
path = result.ResolvedFiles.FirstOrDefault();
// Report warning/error message.
string profile = "";
if (!string.IsNullOrEmpty(MultiTargetingUtil.TargetFrameworkName.Profile)) {
profile = " '" + MultiTargetingUtil.TargetFrameworkName.Profile + "'";
}
ReportWarningOrError(SR.GetString(SR.Assembly_not_found_in_profile, assemblyName, profile));
// Return as OnlyPresentInHigherVersion so that it will not be used as a reference assembly.
return ReferenceAssemblyType.FrameworkAssemblyOnlyPresentInHigherVersion;
}
}
// Assembly is not found in the framework.
// Check whether it has any references to assemblies of a higher version.
List<string> searchPaths = new List<string>();
searchPaths.AddRange(TargetFrameworkReferenceAssemblyPaths);
searchPaths.Add(Path.GetDirectoryName(a.Location));
// If we are using full names, include the GAC so that we can retrieve the actual
// specified version of an OOB assembly even if it is unified/redirected to a later version.
// For example, System.Web.Extensions 1.0.61025 is available from the GAC, but the actual
// loaded assembly is 4.0 due to unification.
if (useFullName) {
searchPaths.Add("{GAC}");
}
// When checking dependencies of a custom assembly, use the full
// name of the assembly as it might have a strong name or
// be in the GAC.
if (!useFullName) {
assemblyName = a.GetName().FullName;
}
result = ResolveAssembly(assemblyName, searchPaths, TargetFrameworkReferenceAssemblyPaths, checkDependencies);
// Use the actual resolved path, in case the loaded assembly is different from the specified assembly
// due to unification or binding redirect.
path = result.ResolvedFiles.FirstOrDefault();
if (string.IsNullOrEmpty(path)) {
// In some cases, we might not be able to resolve the path to the assembly successfully, for example when
// the config specifies the full name as System.Web 4.0.10101.0. Assembly.Load returns the 4.0.0.0 version,
// but we can't find any actual assembly with such a full name.
path = System.Web.UI.Util.GetAssemblyCodeBase(a);
}
// If we are using full names, do another check using the partial name to see if the assembly is part of
// a higher framework.
// If so, then this is an OOB assembly that later got rolled into the framework, so we consider the assembly
// as a framework assembly.
if (useFullName) {
AssemblyResolutionResult r = ResolveAssembly(partialName, HigherFrameworkReferenceAssemblyPaths, HigherFrameworkReferenceAssemblyPaths,
false /*checkDependencies*/);
if (r.ResolvedFiles != null && r.ResolvedFiles.Count > 0) {
return ReferenceAssemblyType.FrameworkAssembly;
}
}
return ReferenceAssemblyType.NonFrameworkAssembly;
}
private static void StoreResults(Assembly a, string path, AssemblyResolutionResult result, ReferenceAssemblyType assemblyType) {
lock (s_lock) {
if (!AssemblyLocations.ContainsKey(a)) {
AssemblyLocations.Add(a, path);
AssemblyResolutionResults.Add(a, result);
ReferenceAssemblyTypes.Add(a, assemblyType);
}
}
}
/// <summary>
/// Resolve a single assembly using the provided search paths and setting the targetframework directories.
/// </summary>
private static AssemblyResolutionResult ResolveAssembly(string assemblyName, IList<string> searchPaths, IList<string> targetFrameworkDirectories, bool checkDependencies) {
ResolveAssemblyReference rar = new ResolveAssemblyReference();
MockEngine engine = new MockEngine();
rar.BuildEngine = engine;
if (searchPaths != null) {
rar.SearchPaths = searchPaths.ToArray();
}
if (targetFrameworkDirectories != null) {
rar.TargetFrameworkDirectories = targetFrameworkDirectories.ToArray();
}
rar.Assemblies = new ITaskItem[] {
new TaskItem(assemblyName),
};
rar.Silent = true;
rar.Execute();
AssemblyResolutionResult result = new AssemblyResolutionResult();
List<string> resolvedFiles = new List<string>();
foreach (ITaskItem item in rar.ResolvedFiles) {
resolvedFiles.Add(item.ItemSpec);
}
if (checkDependencies) {
CheckOutOfRangeDependencies(assemblyName);
}
result.ResolvedFiles = resolvedFiles.ToArray();
result.Warnings = engine.Warnings;
result.Errors = engine.Errors;
return result;
}
private static ReferenceAssemblyType GetPathToReferenceAssembly(Assembly a, out string path, ICollection<BuildErrorEventArgs> errors, ICollection<BuildWarningEventArgs> warnings, bool checkDependencies, bool useFullName, out AssemblyResolutionResult result)
{
string originalAssemblyName;
string name = a.GetName().Name;
if (useFullName)
{
originalAssemblyName = CompilationSection.GetOriginalAssemblyName(a);
}
else
{
originalAssemblyName = name;
}
result = ResolveAssembly(originalAssemblyName, TargetFrameworkReferenceAssemblyPaths, TargetFrameworkReferenceAssemblyPaths, false);
if ((result.ResolvedFiles != null) && (result.ResolvedFiles.Count > 0))
{
path = result.ResolvedFiles.FirstOrDefault<string>();
FixMscorlibPath(a, ref path);
return ReferenceAssemblyType.FrameworkAssembly;
}
result = ResolveAssembly(originalAssemblyName, HigherFrameworkReferenceAssemblyPaths, HigherFrameworkReferenceAssemblyPaths, false);
if ((result.ResolvedFiles != null) && (result.ResolvedFiles.Count > 0))
{
path = result.ResolvedFiles.FirstOrDefault<string>();
return ReferenceAssemblyType.FrameworkAssemblyOnlyPresentInHigherVersion;
}
if (NeedToCheckFullProfile)
{
result = ResolveAssembly(originalAssemblyName, FullProfileReferenceAssemblyPaths, FullProfileReferenceAssemblyPaths, false);
if ((result.ResolvedFiles != null) && (result.ResolvedFiles.Count > 0))
{
path = result.ResolvedFiles.FirstOrDefault<string>();
string str3 = "";
if (!string.IsNullOrEmpty(MultiTargetingUtil.TargetFrameworkName.Profile))
{
str3 = " '" + MultiTargetingUtil.TargetFrameworkName.Profile + "'";
}
ReportWarningOrError(System.Web.SR.GetString("Assembly_not_found_in_profile", new object[] { originalAssemblyName, str3 }));
return ReferenceAssemblyType.FrameworkAssemblyOnlyPresentInHigherVersion;
}
}
List<string> searchPaths = new List<string>();
searchPaths.AddRange(TargetFrameworkReferenceAssemblyPaths);
searchPaths.Add(Path.GetDirectoryName(a.Location));
if (useFullName)
{
searchPaths.Add("{GAC}");
}
if (!useFullName)
{
originalAssemblyName = a.GetName().FullName;
}
result = ResolveAssembly(originalAssemblyName, searchPaths, TargetFrameworkReferenceAssemblyPaths, checkDependencies);
path = result.ResolvedFiles.FirstOrDefault<string>();
if (string.IsNullOrEmpty(path))
{
path = Util.GetAssemblyCodeBase(a);
}
if (useFullName)
{
AssemblyResolutionResult result2 = ResolveAssembly(name, HigherFrameworkReferenceAssemblyPaths, HigherFrameworkReferenceAssemblyPaths, false);
if ((result2.ResolvedFiles != null) && (result2.ResolvedFiles.Count > 0))
{
return ReferenceAssemblyType.FrameworkAssembly;
}
}
return ReferenceAssemblyType.NonFrameworkAssembly;
}