dpctl_capi ctor initialize all members, dtor resets smart pointers

This addressed accessing uninitialized variables SDL tool warnings.

Author: oleksandr-pavlyk

dpctl/apis/include/dpctl4pybind11.hpp

@@ -150,7 +150,13 @@ class dpctl_capi
         return PyObject_TypeCheck(obj, PySyclProgramType_) != 0;
     }
 
-    ~dpctl_capi(){};
+    ~dpctl_capi()
+    {
+        as_usm_memory_.reset();
+        default_usm_ndarray_.reset();
+        default_usm_memory_.reset();
+        default_sycl_queue_.reset();
+    };
 
     static auto &get()
     {
@@ -194,8 +200,36 @@ class dpctl_capi
     std::shared_ptr<py::object> as_usm_memory_;
 
     dpctl_capi()
-        : default_sycl_queue_{}, default_usm_memory_{}, default_usm_ndarray_{},
-          as_usm_memory_{}
+        : Py_SyclDeviceType_(nullptr), PySyclDeviceType_(nullptr),
+          Py_SyclContextType_(nullptr), Py_SyclEventType_(nullptr),
+          PySyclEventType_(nullptr), Py_SyclQueueType_(nullptr),
+          PySyclQueueType_(nullptr), Py_MemoryType_(nullptr),
+          PyMemoryUSMDeviceType_(nullptr), PyMemoryUSMSharedType_(nullptr),
+          PyMemoryUSMHostType_(nullptr), PyUSMArrayType_(nullptr),
+          PySyclProgramType_(nullptr), PySyclKernelType_(nullptr),
+          SyclDevice_GetDeviceRef_(nullptr), SyclDevice_Make_(nullptr),
+          SyclContext_GetContextRef_(nullptr), SyclContext_Make_(nullptr),
+          SyclEvent_GetEventRef_(nullptr), SyclEvent_Make_(nullptr),
+          SyclQueue_GetQueueRef_(nullptr), SyclQueue_Make_(nullptr),
+          Memory_GetUsmPointer_(nullptr), Memory_GetContextRef_(nullptr),
+          Memory_GetQueueRef_(nullptr), Memory_GetNumBytes_(nullptr),
+          Memory_Make_(nullptr), SyclKernel_GetKernelRef_(nullptr),
+          SyclKernel_Make_(nullptr), SyclProgram_GetKernelBundleRef_(nullptr),
+          SyclProgram_Make_(nullptr), UsmNDArray_GetData_(nullptr),
+          UsmNDArray_GetNDim_(nullptr), UsmNDArray_GetShape_(nullptr),
+          UsmNDArray_GetStrides_(nullptr), UsmNDArray_GetTypenum_(nullptr),
+          UsmNDArray_GetElementSize_(nullptr), UsmNDArray_GetFlags_(nullptr),
+          UsmNDArray_GetQueueRef_(nullptr), UsmNDArray_GetOffset_(nullptr),
+          USM_ARRAY_C_CONTIGUOUS_(0), USM_ARRAY_F_CONTIGUOUS_(0),
+          USM_ARRAY_WRITABLE_(0), UAR_BOOL_(-1), UAR_SHORT_(-1),
+          UAR_USHORT_(-1), UAR_INT_(-1), UAR_UINT_(-1), UAR_LONG_(-1),
+          UAR_ULONG_(-1), UAR_LONGLONG_(-1), UAR_ULONGLONG_(-1), UAR_FLOAT_(-1),
+          UAR_DOUBLE_(-1), UAR_CFLOAT_(-1), UAR_CDOUBLE_(-1),
+          UAR_TYPE_SENTINEL_(-1), UAR_HALF_(-1), UAR_INT8_(-1), UAR_UINT8_(-1),
+          UAR_INT16_(-1), UAR_UINT16_(-1), UAR_INT32_(-1), UAR_UINT32_(-1),
+          UAR_INT64_(-1), UAR_UINT64_(-1), default_sycl_queue_{},
+          default_usm_memory_{}, default_usm_ndarray_{}, as_usm_memory_{}
+
     {
         // Import Cython-generated C-API for dpctl
         // This imports python modules and initializes