Fix long/unsigned long C++ primitive

Author: xoofx

src/CppAst/CppModelBuilder.cs

@@ -1816,7 +1816,7 @@ private CppType GetCppTypeInternal(CXCursor cursor, CXType type, CXCursor parent
                     return CppPrimitiveType.UnsignedInt;
 
                 case CXTypeKind.CXType_ULong:
-                    return type.SizeOf == 8 ? CppPrimitiveType.UnsignedLongLong : CppPrimitiveType.UnsignedInt;
+                    return CppPrimitiveType.UnsignedLong;
 
                 case CXTypeKind.CXType_ULongLong:
                     return CppPrimitiveType.UnsignedLongLong;
@@ -1837,7 +1837,7 @@ private CppType GetCppTypeInternal(CXCursor cursor, CXType type, CXCursor parent
                     return CppPrimitiveType.Int;
 
                 case CXTypeKind.CXType_Long:
-                    return CppPrimitiveType.Int;
+                    return CppPrimitiveType.Long;
 
                 case CXTypeKind.CXType_LongLong:
                     return CppPrimitiveType.LongLong;

src/CppAst/CppPrimitiveKind.cs

@@ -39,6 +39,11 @@ public enum CppPrimitiveKind
         /// </summary>
         Int,
 
+        /// <summary>
+        /// C++ `long`
+        /// </summary>
+        Long,
+        
         /// <summary>
         /// C++ `long long` (64bits)
         /// </summary>
@@ -59,6 +64,11 @@ public enum CppPrimitiveKind
         /// </summary>
         UnsignedInt,
 
+        /// <summary>
+        /// C++ `unsigned long`
+        /// </summary>
+        UnsignedLong,
+
         /// <summary>
         /// C++ `unsigned long long` (64 bits)
         /// </summary>

src/CppAst/CppPrimitiveType.cs

@@ -41,6 +41,11 @@ public sealed class CppPrimitiveType : CppType
         /// </summary>
         public static readonly CppPrimitiveType Int = new CppPrimitiveType(CppPrimitiveKind.Int);
 
+        /// <summary>
+        /// Singleton instance of the `long` type.
+        /// </summary>
+        public static readonly CppPrimitiveType Long = new CppPrimitiveType(CppPrimitiveKind.Long);
+
         /// <summary>
         /// Singleton instance of the `long long` type.
         /// </summary>
@@ -61,6 +66,11 @@ public sealed class CppPrimitiveType : CppType
         /// </summary>
         public static readonly CppPrimitiveType UnsignedInt = new CppPrimitiveType(CppPrimitiveKind.UnsignedInt);
 
+        /// <summary>
+        /// Singleton instance of the `unsigned long` type.
+        /// </summary>
+        public static readonly CppPrimitiveType UnsignedLong = new CppPrimitiveType(CppPrimitiveKind.UnsignedLong);
+        
         /// <summary>
         /// Singleton instance of the `unsigned long long` type.
         /// </summary>
@@ -120,6 +130,10 @@ private void UpdateSize(out int sizeOf)
                 case CppPrimitiveKind.Int:
                     sizeOf = 4;
                     break;
+                case CppPrimitiveKind.Long:
+                case CppPrimitiveKind.UnsignedLong:
+                    sizeOf = 4; // This is incorrect
+                    break;
                 case CppPrimitiveKind.LongLong:
                     sizeOf = 8;
                     break;