private bool Match(AssemblyName assemblyDef, AssemblyName assemblyRef, ref AssemblyName bestMatch, ref int bestMatchLevel)
{
// Match levels:
// 0 = no match
// 1 = lower version match (i.e. not a suitable match, but used in error reporting: something was found but the version was too low)
// 2 = higher version potential match (i.e. we can use this version, but if it is available the exact match will be preferred)
//
// If we find a perfect match, bestMatch is not changed but we return true to signal that the search can end right now.
AssemblyComparisonResult result;
universe.CompareAssemblyIdentity(assemblyRef.FullName, false, assemblyDef.FullName, true, out result);
switch (result)
{
case AssemblyComparisonResult.EquivalentFullMatch:
case AssemblyComparisonResult.EquivalentPartialMatch:
case AssemblyComparisonResult.EquivalentFXUnified:
case AssemblyComparisonResult.EquivalentPartialFXUnified:
case AssemblyComparisonResult.EquivalentPartialWeakNamed:
case AssemblyComparisonResult.EquivalentWeakNamed:
return(true);
case AssemblyComparisonResult.NonEquivalentPartialVersion:
case AssemblyComparisonResult.NonEquivalentVersion:
if (bestMatchLevel < 1)
{
bestMatchLevel = 1;
bestMatch = assemblyDef;
}
return(true);
case AssemblyComparisonResult.EquivalentUnified:
case AssemblyComparisonResult.EquivalentPartialUnified:
// Hack: System.Runtime.Extensions
if (bestMatchLevel < 2)
{
bestMatchLevel = 2;
bestMatch = assemblyDef;
}
return(true);
case AssemblyComparisonResult.NonEquivalent:
case AssemblyComparisonResult.Unknown:
return(false);
default:
throw new NotImplementedException();
}
}
Assembly AssemblyReferenceResolver(object sender, IKVM.Reflection.ResolveEventArgs args)
{
var refname = args.Name;
if (refname == "mscorlib")
{
return(corlib);
}
Assembly version_mismatch = null;
bool is_fx_assembly = false;
foreach (var assembly in domain.GetAssemblies())
{
AssemblyComparisonResult result;
if (!domain.CompareAssemblyIdentity(refname, false, assembly.FullName, false, out result))
{
if ((result == AssemblyComparisonResult.NonEquivalentVersion || result == AssemblyComparisonResult.NonEquivalentPartialVersion) &&
(version_mismatch == null || version_mismatch.GetName().Version < assembly.GetName().Version) &&
!is_fx_assembly)
{
version_mismatch = assembly;
}
continue;
}
if (result == AssemblyComparisonResult.EquivalentFullMatch ||
result == AssemblyComparisonResult.EquivalentWeakNamed ||
result == AssemblyComparisonResult.EquivalentPartialMatch)
{
return(assembly);
}
if (result == AssemblyComparisonResult.EquivalentFXUnified)
{
is_fx_assembly = true;
if (version_mismatch == null || version_mismatch.GetName().Version < assembly.GetName().Version)
{
version_mismatch = assembly;
}
continue;
}
throw new NotImplementedException("Assembly equality = " + result.ToString());
}
if (version_mismatch != null)
{
if (version_mismatch is AssemblyBuilder)
{
return(version_mismatch);
}
var v1 = new AssemblyName(refname).Version;
var v2 = version_mismatch.GetName().Version;
if (v1 > v2)
{
if (resolved_version_mismatches == null)
{
resolved_version_mismatches = new Dictionary <AssemblyName, List <string[]> > ();
}
var an = args.RequestingAssembly.GetName();
List <string[]> names;
if (!resolved_version_mismatches.TryGetValue(an, out names))
{
names = new List <string[]> ();
resolved_version_mismatches.Add(an, names);
}
names.Add(new[] {
args.RequestingAssembly.Location,
string.Format("Assembly `{0}' depends on `{1}' which has a higher version number than referenced assembly `{2}'",
args.RequestingAssembly.FullName, refname, version_mismatch.GetName().FullName)
});
return(version_mismatch);
}
if (!is_fx_assembly)
{
if (v1.Major != v2.Major || v1.Minor != v2.Minor)
{
compiler.Report.Warning(1701, 2,
"Assuming assembly reference `{0}' matches assembly `{1}'. You may need to supply runtime policy",
refname, version_mismatch.GetName().FullName);
}
else
{
compiler.Report.Warning(1702, 3,
"Assuming assembly reference `{0}' matches assembly `{1}'. You may need to supply runtime policy",
refname, version_mismatch.GetName().FullName);
}
}
return(version_mismatch);
}
//
// Recursive reference to compiled assembly checks name only. Any other
// details (PublicKey, Version, etc) are not yet known hence cannot be checked
//
ParsedAssemblyName referenced_assembly;
if (Fusion.ParseAssemblyName(args.Name, out referenced_assembly) == ParseAssemblyResult.OK && CompiledAssembly.Name == referenced_assembly.Name)
{
return(CompiledAssembly.Builder);
}
// AssemblyReference has not been found in the domain
// create missing reference and continue
return(domain.CreateMissingAssembly(args.Name));
}
Assembly AssemblyReferenceResolver(object sender, IKVM.Reflection.ResolveEventArgs args)
{
var refname = args.Name;
if (refname == "mscorlib")
{
return(corlib);
}
Assembly version_mismatch = null;
bool is_fx_assembly = false;
foreach (var assembly in domain.GetAssemblies())
{
AssemblyComparisonResult result;
if (!domain.CompareAssemblyIdentity(refname, false, assembly.FullName, false, out result))
{
if ((result == AssemblyComparisonResult.NonEquivalentVersion || result == AssemblyComparisonResult.NonEquivalentPartialVersion) &&
(version_mismatch == null || version_mismatch.GetName().Version < assembly.GetName().Version) &&
!is_fx_assembly)
{
version_mismatch = assembly;
}
continue;
}
if (result == AssemblyComparisonResult.EquivalentFullMatch ||
result == AssemblyComparisonResult.EquivalentWeakNamed ||
result == AssemblyComparisonResult.EquivalentPartialMatch)
{
return(assembly);
}
if (result == AssemblyComparisonResult.EquivalentFXUnified)
{
is_fx_assembly = true;
if (version_mismatch == null || version_mismatch.GetName().Version < assembly.GetName().Version)
{
version_mismatch = assembly;
}
continue;
}
throw new NotImplementedException("Assembly equality = " + result.ToString());
}
if (version_mismatch != null)
{
if (version_mismatch is AssemblyBuilder)
{
return(version_mismatch);
}
var v1 = new AssemblyName(refname).Version;
var v2 = version_mismatch.GetName().Version;
if (v1 > v2)
{
// compiler.Report.SymbolRelatedToPreviousError (args.RequestingAssembly.Location);
compiler.Report.Error(1705, "Assembly `{0}' references `{1}' which has a higher version number than imported assembly `{2}'",
args.RequestingAssembly.FullName, refname, version_mismatch.GetName().FullName);
return(domain.CreateMissingAssembly(args.Name));
}
if (!is_fx_assembly)
{
if (v1.Major != v2.Major || v1.Minor != v2.Minor)
{
compiler.Report.Warning(1701, 2,
"Assuming assembly reference `{0}' matches assembly `{1}'. You may need to supply runtime policy",
refname, version_mismatch.GetName().FullName);
}
else
{
compiler.Report.Warning(1702, 3,
"Assuming assembly reference `{0}' matches assembly `{1}'. You may need to supply runtime policy",
refname, version_mismatch.GetName().FullName);
}
}
return(version_mismatch);
}
// AssemblyReference has not been found in the domain
// create missing reference and continue
return(domain.CreateMissingAssembly(args.Name));
}