/// <summary>
/// Returns the original location of the corresponding assembly if available, otherwise returns the location of the shadow copy.
/// If the corresponding assembly is not in the GAC, null is returned.
/// </summary>
public static string GetLocation(AssemblyReference assemblyReference){
if (assemblyReference == null) { Debug.Fail("assemblyReference == null"); return null; }
lock(GlobalAssemblyCache.Lock){
if (!GlobalAssemblyCache.FusionLoaded){
GlobalAssemblyCache.FusionLoaded = true;
System.Reflection.Assembly systemAssembly = typeof(object).Assembly;
//^ assume systemAssembly != null && systemAssembly.Location != null;
string dir = Path.GetDirectoryName(systemAssembly.Location);
//^ assume dir != null;
GlobalAssemblyCache.LoadLibrary(Path.Combine(dir, "fusion.dll"));
}
IAssemblyEnum assemblyEnum;
CreateAssemblyEnum(out assemblyEnum, null, null, ASM_CACHE.GAC, 0);
if (assemblyEnum == null) return null;
IApplicationContext applicationContext;
IAssemblyName currentName;
while (assemblyEnum.GetNextAssembly(out applicationContext, out currentName, 0) == 0){
//^ assume currentName != null;
AssemblyName aName = new AssemblyName(currentName);
if (assemblyReference.Matches(aName.Name, aName.Version, aName.Culture, aName.PublicKeyToken)){
string codeBase = aName.CodeBase;
if (codeBase != null && codeBase.StartsWith("file:///"))
return codeBase.Substring(8);
return aName.GetLocation();
}
}
return null;
}
}
/// <summary>
/// Returns the original location of the corresponding assembly if available, otherwise returns the
/// location of the shadow copy. If the corresponding assembly is not in the GAC, null is returned.
/// </summary>
public static string GetLocation(AssemblyReference assemblyReference)
{
if (assemblyReference == null)
{
Debug.Fail("assemblyReference == null");
return(null);
}
lock (GlobalAssemblyCache.Lock)
{
if (!GlobalAssemblyCache.FusionLoaded)
{
GlobalAssemblyCache.FusionLoaded = true;
System.Reflection.Assembly systemAssembly = typeof(object).Assembly;
//^ assume systemAssembly != null && systemAssembly.Location != null;
string dir = Path.GetDirectoryName(systemAssembly.Location);
//^ assume dir != null;
GlobalAssemblyCache.LoadLibrary(Path.Combine(dir, "fusion.dll"));
}
IAssemblyEnum assemblyEnum;
CreateAssemblyEnum(out assemblyEnum, null, null, GAC, 0);
if (assemblyEnum == null)
{
return(null);
}
IApplicationContext applicationContext;
IAssemblyName currentName;
while (assemblyEnum.GetNextAssembly(out applicationContext, out currentName, 0) == 0)
{
//^ assume currentName != null;
AssemblyName aName = new AssemblyName(currentName);
if (assemblyReference.Matches(aName.Name, aName.Version, aName.Culture, aName.PublicKeyToken))
{
string codeBase = aName.CodeBase;
if (codeBase != null && codeBase.StartsWith("file:///"))
{
return(codeBase.Substring(8));
}
return(aName.GetLocation());
}
}
return(null);
}
}
internal AssemblyNode/*!*/ GetAssemblyFromReference(AssemblyReference/*!*/ assemblyReference)
{
lock (this)
{
if (SystemAssemblyLocation.ParsedAssembly != null && (assemblyReference.Name == "mscorlib" || assemblyReference.Name == "basetypes" || assemblyReference.Name == "ioconfig"
|| assemblyReference.Name == "singularity.v1"))
return SystemAssemblyLocation.ParsedAssembly;
if (CoreSystemTypes.SystemAssembly != null && CoreSystemTypes.SystemAssembly.Name == assemblyReference.Name) return CoreSystemTypes.SystemAssembly;
string strongName = null;
object cachedValue = null;
if (assemblyReference.PublicKeyOrToken == null || assemblyReference.PublicKeyOrToken.Length == 0)
{
if (assemblyReference.Location != null)
cachedValue = this.localAssemblyCache[assemblyReference.Location];
if (cachedValue == null)
{
cachedValue = this.localAssemblyCache[assemblyReference.Name];
if (cachedValue != null && assemblyReference.Location != null)
this.localAssemblyCache[assemblyReference.Location] = cachedValue;
}
}
else
{
strongName = assemblyReference.StrongName;
if (this.useStaticCache)
{
//See if reference is to an assembly that lives in the GAC.
if (assemblyReference.Location != null)
cachedValue = Reader.StaticAssemblyCache[assemblyReference.Location];
if (cachedValue == null)
cachedValue = Reader.StaticAssemblyCache[strongName];
}
if (cachedValue == null)
cachedValue = this.localAssemblyCache[strongName];
}
if (cachedValue == null)
{
//See if assembly is a platform assembly (and apply unification)
AssemblyReference aRef = (AssemblyReference)TargetPlatform.AssemblyReferenceFor[Identifier.For(assemblyReference.Name).UniqueIdKey];
if (aRef != null && assemblyReference.Version != null && aRef.Version >= assemblyReference.Version && aRef.MatchesIgnoringVersion(assemblyReference))
{
AssemblyNode platformAssembly = aRef.assembly;
if (platformAssembly == null)
{
Debug.Assert(aRef.Location != null);
platformAssembly = AssemblyNode.GetAssembly(aRef.Location, this.doNotLockFile, this.getDebugSymbols, this.useStaticCache);
}
if (platformAssembly != null)
{
if (strongName == null) strongName = assemblyReference.Name;
lock (Reader.StaticAssemblyCache)
{
if (aRef.Location != null)
Reader.StaticAssemblyCache[aRef.Location] = platformAssembly;
Reader.StaticAssemblyCache[strongName] = platformAssembly;
}
return aRef.assembly = platformAssembly;
}
}
}
AssemblyNode assembly = cachedValue as AssemblyNode;
if (assembly != null) goto done;
//No cached assembly and no cached reader for this assembly. Look for a resolver.
if (this.module != null)
{
assembly = this.module.Resolve(assemblyReference);
if (assembly != null)
{
if (strongName == null)
{
this.localAssemblyCache[assembly.Name] = assembly;
if (assembly.Location != null) this.localAssemblyCache[assembly.Location] = assembly;
}
else
{
if (CoreSystemTypes.SystemAssembly != null && CoreSystemTypes.SystemAssembly.Name == assembly.Name) return CoreSystemTypes.SystemAssembly;
lock (Reader.StaticAssemblyCache)
{
if (this.useStaticCache)
{
if (assembly.Location != null)
Reader.StaticAssemblyCache[assembly.Location] = assembly;
Reader.StaticAssemblyCache[strongName] = assembly;
}
else
{
this.localAssemblyCache[strongName] = assembly;
if (assembly.Location != null) this.localAssemblyCache[assembly.Location] = assembly;
}
}
}
goto done;
}
}
//Look for an assembly with the given name in the same directory as the referencing module
if (this.directory != null)
{
string fileName = System.IO.Path.Combine(this.directory, assemblyReference.Name + ".dll");
if (System.IO.File.Exists(fileName))
{
assembly = AssemblyNode.GetAssembly(fileName, this.localAssemblyCache, this.doNotLockFile, this.getDebugSymbols, this.useStaticCache);
if (assembly != null)
{
if (strongName == null) goto cacheIt; //found something
//return assembly only if it matches the strong name of the reference
if (assemblyReference.Matches(assembly.Name, assembly.Version, assembly.Culture, assembly.PublicKeyToken)) goto cacheIt;
}
}
fileName = System.IO.Path.Combine(this.directory, assemblyReference.Name + ".exe");
if (System.IO.File.Exists(fileName))
{
assembly = AssemblyNode.GetAssembly(fileName, this.localAssemblyCache, this.doNotLockFile, this.getDebugSymbols, this.useStaticCache);
if (assembly != null)
{
if (strongName == null) goto cacheIt; //found something
//return assembly only if it matches the strong name of the reference
if (assemblyReference.Matches(assembly.Name, assembly.Version, assembly.Culture, assembly.PublicKeyToken)) goto cacheIt;
}
}
fileName = System.IO.Path.Combine(this.directory, assemblyReference.Name + ".ill");
if (System.IO.File.Exists(fileName))
{
assembly = AssemblyNode.GetAssembly(fileName, this.localAssemblyCache, this.doNotLockFile, this.getDebugSymbols, this.useStaticCache);
if (assembly != null)
{
if (strongName == null) goto cacheIt; //found something
//return assembly only if it matches the strong name of the reference
if (assemblyReference.Matches(assembly.Name, assembly.Version, assembly.Culture, assembly.PublicKeyToken)) goto cacheIt;
}
}
}
//Look for an assembly in the same directory as the application using Reader.
{
string fileName = System.IO.Path.Combine(AppDomain.CurrentDomain.BaseDirectory, assemblyReference.Name + ".dll");
if (System.IO.File.Exists(fileName))
{
assembly = AssemblyNode.GetAssembly(fileName, this.localAssemblyCache, this.doNotLockFile, this.getDebugSymbols, this.useStaticCache);
if (assembly != null)
{
if (strongName == null) goto cacheIt; //found something
//return assembly only if it matches the strong name of the reference
if (assemblyReference.Matches(assembly.Name, assembly.Version, assembly.Culture, assembly.PublicKeyToken)) goto cacheIt;
}
}
fileName = System.IO.Path.Combine(AppDomain.CurrentDomain.BaseDirectory, assemblyReference.Name + ".exe");
if (System.IO.File.Exists(fileName))
{
assembly = AssemblyNode.GetAssembly(fileName, this.localAssemblyCache, this.doNotLockFile, this.getDebugSymbols, this.useStaticCache);
if (assembly != null)
{
if (strongName == null) goto cacheIt; //found something
//return assembly only if it matches the strong name of the reference
if (assemblyReference.Matches(assembly.Name, assembly.Version, assembly.Culture, assembly.PublicKeyToken)) goto cacheIt;
}
}
}
assembly = null;
//Probe the GAC
string gacLocation = null;
if (strongName != null)
{
//Look for the assembly in the system's Global Assembly Cache
gacLocation = GlobalAssemblyCache.GetLocation(assemblyReference);
if (gacLocation != null && gacLocation.Length == 0) gacLocation = null;
if (gacLocation != null)
{
assembly = AssemblyNode.GetAssembly(gacLocation, this.useStaticCache ? Reader.StaticAssemblyCache : this.localAssemblyCache, this.doNotLockFile, this.getDebugSymbols, this.useStaticCache);
if (assembly != null)
{
lock (Reader.StaticAssemblyCache)
{
if (this.useStaticCache)
{
Reader.StaticAssemblyCache[gacLocation] = assembly;
Reader.StaticAssemblyCache[strongName] = assembly;
}
else
{
this.localAssemblyCache[gacLocation] = assembly;
this.localAssemblyCache[strongName] = assembly;
}
}
}
}
}
goto done;
cacheIt:
if (strongName == null)
{
this.localAssemblyCache[assembly.Name] = assembly;
if (assembly.Location != null) this.localAssemblyCache[assembly.Location] = assembly;
}
else
{
this.localAssemblyCache[strongName] = assembly;
if (assembly.Location != null) this.localAssemblyCache[assembly.Location] = assembly;
}
done:
if (assembly != null)
assembly.InitializeAssemblyReferenceResolution(this.module);
if (assembly == null)
{
if (this.module != null)
{
assembly = this.module.ResolveAfterProbingFailed(assemblyReference);
if (assembly != null) goto cacheIt;
HandleError(this.module, String.Format(CultureInfo.CurrentCulture, ExceptionStrings.AssemblyReferenceNotResolved, assemblyReference.StrongName));
}
assembly = new AssemblyNode();
assembly.Culture = assemblyReference.Culture;
assembly.Name = assemblyReference.Name;
assembly.PublicKeyOrToken = assemblyReference.PublicKeyOrToken;
assembly.Version = assemblyReference.Version;
assembly.Location = "unknown:location";
goto cacheIt;
}
return assembly;
}
}
