internal override EvaluationContextBase CreateTypeContext(
DkmClrAppDomain appDomain,
ImmutableArray<MetadataBlock> metadataBlocks,
Guid moduleVersionId,
int typeToken,
bool useReferencedModulesOnly)
{
if (useReferencedModulesOnly)
{
// Avoid using the cache for referenced assemblies only
// since this should be the exceptional case.
var compilation = metadataBlocks.ToCompilationReferencedModulesOnly(moduleVersionId);
return EvaluationContext.CreateTypeContext(
compilation,
moduleVersionId,
typeToken);
}
var previous = appDomain.GetMetadataContext<CSharpMetadataContext>();
var context = EvaluationContext.CreateTypeContext(
previous,
metadataBlocks,
moduleVersionId,
typeToken);
// New type context is not attached to the AppDomain since it is less
// re-usable than the previous attached method context. (We could hold
// on to it if we don't have a previous method context but it's unlikely
// that we evaluated a type-level expression before a method-level.)
Debug.Assert(context != previous.EvaluationContext);
return context;
}
internal override EvaluationContextBase CreateMethodContext(
DkmClrAppDomain appDomain,
ImmutableArray<MetadataBlock> metadataBlocks,
Lazy<ImmutableArray<AssemblyReaders>> unusedLazyAssemblyReaders,
object symReader,
Guid moduleVersionId,
int methodToken,
int methodVersion,
uint ilOffset,
int localSignatureToken,
bool useReferencedModulesOnly)
{
if (useReferencedModulesOnly)
{
// Avoid using the cache for referenced assemblies only
// since this should be the exceptional case.
var compilation = metadataBlocks.ToCompilationReferencedModulesOnly(moduleVersionId);
return EvaluationContext.CreateMethodContext(
compilation,
symReader,
moduleVersionId,
methodToken,
methodVersion,
ilOffset,
localSignatureToken);
}
var previous = appDomain.GetMetadataContext<CSharpMetadataContext>();
var context = EvaluationContext.CreateMethodContext(
previous,
metadataBlocks,
symReader,
moduleVersionId,
methodToken,
methodVersion,
ilOffset,
localSignatureToken);
if (context != previous.EvaluationContext)
{
appDomain.SetMetadataContext(new CSharpMetadataContext(metadataBlocks, context));
}
return context;
}