private Instruction SetCacheKeyLocalVariable(Instruction current, MethodDefinition methodDefinition, ILProcessor processor, int cacheKeyIndex, int objectArrayIndex) { if (methodDefinition.IsSetter || methodDefinition.IsGetter) { return current.AppendStloc(processor, cacheKeyIndex); } else { // Create object[] for string.format current = current.AppendLdcI4(processor, methodDefinition.Parameters.Count) .Append(processor.Create(OpCodes.Newarr, methodDefinition.Module.ImportType<object>()), processor) .AppendStloc(processor, objectArrayIndex); // Set object[] values for (int i = 0; i < methodDefinition.Parameters.Count; i++) { current = current.AppendLdloc(processor, objectArrayIndex) .AppendLdcI4(processor, i) .AppendLdarg(processor, !methodDefinition.IsStatic ? i + 1 : i) .AppendBoxIfNecessary(processor, methodDefinition.Parameters[i].ParameterType) .Append(processor.Create(OpCodes.Stelem_Ref), processor); } // Call string.format return current.AppendLdloc(processor, objectArrayIndex) .Append( processor.Create(OpCodes.Call, methodDefinition.Module.ImportMethod<string>("Format", new[] { typeof(string), typeof(object[]) })), processor) .AppendStloc(processor, cacheKeyIndex); } }