Made AttributeBuilder not a singleton, replaced multiple methods per attribute with a single method that returns all the attributes in a single sweep.

CodeGenerator/AttributeBuilder.cs

@@ -5,23 +5,29 @@ using System.Collections.Generic;
 namespace CodeGenerator {
     public class AttributeBuilder {
         
-        private static AttributeBuilder _instance;
-        public static AttributeBuilder Instance => _instance ??= new();
-        
         private CodeTypeDeclaration _attrDecl = new();
         
         private List<(Type, string)> _fields = new();
         private List<(Type, string, string)> _properties = new();
         
-        public AttributeBuilder New() {
+        public AttributeBuilder() {
             _attrDecl.IsClass = true;
             _attrDecl.Attributes = MemberAttributes.Public;
             _attrDecl.BaseTypes.Add(typeof(Attribute));
+        }
+
+        public AttributeBuilder(string name) : this() {
+            _attrDecl.Name = name;
+        }
+
+        public AttributeBuilder New() {
+            _attrDecl = new CodeTypeDeclaration();
+            _fields.Clear();
+            _properties.Clear();
             return this;
         }
 
-        public AttributeBuilder New(string name) {
-            New();
+        public AttributeBuilder SetName(string name) {
             _attrDecl.Name = name;
             return this;
         }