refactored GetArrayDimensions method, ParseFSize now returns null if not found

CodeGenerator/StrExt.cs

@@ -1,3 +1,4 @@
+using System.Collections.Generic;
 using System.Runtime.CompilerServices;
 
 namespace CodeGenerator {
@@ -28,7 +29,7 @@ namespace CodeGenerator {
         }
         
         [MethodImpl(MethodImplOptions.AggressiveInlining)]
-        public static int ParseFSize(this string str) {
+        public static int? ParseFSize(this string str) {
             return str switch {
                 "char" => sizeof(sbyte),
                 "short" => sizeof(short),
@@ -40,8 +41,26 @@ namespace CodeGenerator {
                 "int64_t" => sizeof(long),
                 "int8_t" => sizeof(sbyte),
                 "uint64_t" => sizeof(ulong),
-                _ => throw new("Unknown type") 
+                _ => null
             };
         }
+        
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
+        public static List<int> GetArrayDimensions(this string name) {
+            var dimensions = new List<int>();
+            int startIndex = 0;
+            // Get all array dimensions
+            while ((startIndex = name.IndexOf('[', startIndex)) != -1) {
+                int endIndex = name.IndexOf(']', startIndex);
+                string sizeStr = name.Substring(startIndex + 1, endIndex - startIndex - 1);
+                if (int.TryParse(sizeStr, out int size)) {
+                    dimensions.Add(size);
+                }
+                startIndex = endIndex + 1;
+            }
+
+            return dimensions;
+        }
+
     }
 }