Enhance assembly name reference resolution in ModuleDefinition

- Improve TryGetAssemblyNameReference to handle direct and forwarded assembly references.
- Implement helper methods for resolving direct and forwarded assembly references.

Author: Denis Kudelin

Mono.Cecil/Import.cs

@@ -756,21 +756,70 @@ public static void CheckModule (ModuleDefinition module)
 
 		public static bool TryGetAssemblyNameReference (this ModuleDefinition module, AssemblyNameReference name_reference, out AssemblyNameReference assembly_reference)
 		{
-			var references = module.AssemblyReferences;
-
-			for (int i = 0; i < references.Count; i++) {
-				var reference = references [i];
-				if (!Equals (name_reference, reference))
-					continue;
+			// Try to resolve the assembly using direct reference first
+			if (module.TryGetDirectAssemblyNameReference (name_reference, out assembly_reference)) {
+				return true;
+			}
 
-				assembly_reference = reference;
+			// If direct resolution fails, try to resolve using forwarded types
+			if (module.TryGetForwardedAssemblyNameReference (name_reference, out assembly_reference)) {
 				return true;
 			}
 
+			// If resolution fails, set the output reference to null
+			assembly_reference = null;
+			return false;
+		}
+
+		static bool TryGetDirectAssemblyNameReference (this ModuleDefinition module, AssemblyNameReference name_reference, out AssemblyNameReference assembly_reference)
+		{
+			// Check each assembly reference in the module for a match by full name
+			foreach (var reference in module.AssemblyReferences) {
+				if (reference.FullName == name_reference.FullName) {
+					assembly_reference = reference;
+					return true;
+				}
+			}
+
+			// If no direct reference is found, set the output reference to null
 			assembly_reference = null;
 			return false;
 		}
 
+		static bool TryGetForwardedAssemblyNameReference (this ModuleDefinition module, AssemblyNameReference nameReference, out AssemblyNameReference assemblyReference)
+		{
+			// Initialize the output parameter to null
+			assemblyReference = null;
+
+			// Iterate through all assembly references
+			foreach (var asm_ref in module.AssemblyReferences) {
+				AssemblyDefinition resolved_assembly;
+				try {
+					// Attempt to resolve the assembly reference
+					resolved_assembly = module.AssemblyResolver.Resolve (asm_ref);
+				}
+				catch (AssemblyResolutionException) {
+					// Skip the assembly if resolution fails
+					continue;
+				}
+
+				// Check exported types for type forwarding within the assembly
+				foreach (ModuleDefinition module_def in resolved_assembly.Modules) {
+					foreach (ExportedType exported_type in module_def.ExportedTypes) {
+						// Check if the exported type has a scope that matches the target assembly name
+						var scope = exported_type.Scope as AssemblyNameReference;
+						if (scope != null && Equals (scope, nameReference)) {
+							// If a match is found, return the assembly reference from which the type was forwarded
+							assemblyReference = asm_ref;
+							return true;
+						}
+					}
+				}
+			}
+
+			return false;
+		}
+
 		static bool Equals (byte [] a, byte [] b)
 		{
 			if (ReferenceEquals (a, b))