handle PythonNativeVoidPtr in int constructor

Author: timfel

graalpython/com.oracle.graal.python/src/com/oracle/graal/python/builtins/modules/BuiltinConstructors.java

@@ -78,6 +78,7 @@
 import com.oracle.graal.python.builtins.objects.cell.PCell;
 import com.oracle.graal.python.builtins.objects.cext.CExtNodes;
 import com.oracle.graal.python.builtins.objects.cext.PythonNativeClass;
+import com.oracle.graal.python.builtins.objects.cext.PythonNativeVoidPtr;
 import com.oracle.graal.python.builtins.objects.code.PCode;
 import com.oracle.graal.python.builtins.objects.common.HashingCollectionNodes;
 import com.oracle.graal.python.builtins.objects.common.HashingStorage.DictEntry;
@@ -1002,6 +1003,16 @@ public Object createInt(LazyPythonClass cls, long arg, @SuppressWarnings("unused
             return factory().createInt(cls, arg);
         }
 
+        @Specialization(guards = "isNoValue(keywordArg)")
+        public Object createInt(LazyPythonClass cls, PythonNativeVoidPtr arg, @SuppressWarnings("unused") PNone keywordArg) {
+            if (isPrimitiveInt(cls)) {
+                return arg;
+            } else {
+                CompilerDirectives.transferToInterpreter();
+                throw new IllegalStateException("cannot wrap void ptr in int subclass");
+            }
+        }
+
         @Specialization(guards = "isNoValue(keywordArg)")
         public Object createInt(LazyPythonClass cls, double arg, @SuppressWarnings("unused") PNone keywordArg,
                         @Cached("createBinaryProfile()") ConditionProfile isIntProfile) {
@@ -1178,7 +1189,7 @@ public Object createInt(LazyPythonClass cls, Object obj, PNone keywordArg,
         }
 
         protected static boolean isHandledType(Object obj) {
-            return PGuards.isInteger(obj) || obj instanceof Double || obj instanceof Boolean || PGuards.isString(obj) || PGuards.isBytes(obj);
+            return PGuards.isInteger(obj) || obj instanceof Double || obj instanceof Boolean || PGuards.isString(obj) || PGuards.isBytes(obj) || obj instanceof PythonNativeVoidPtr;
         }
 
         private String toString(PIBytesLike pByteArray) {