Fix incomplete initializer lists, unused vars, and some type warnings

src/API.cxx

@@ -66,7 +66,7 @@ static bool Initialize()
     // try again to see if the interpreter is initialized
         if (!Py_IsInitialized()) {
         // give up ...
-            std::cerr << "Error: python has not been intialized; returning." << std::endl;
+            std::cerr << "Error: python has not been initialized; returning." << std::endl;
             return false;
         }
 
@@ -315,7 +315,7 @@ void CPyCppyy::ExecScript(const std::string& name, const std::vector<std::string
         oldargv = l;
     }
 
-// create and set (add progam name) the new command line
+// create and set (add program name) the new command line
 #if PY_VERSION_HEX < 0x03000000
     int argc = args.size() + 1;
     const char** argv = new const char*[argc];
@@ -386,7 +386,7 @@ const CPyCppyy::PyResult CPyCppyy::Eval(const std::string& expr)
         return PyResult();
     }
 
-// results that require no convserion
+// results that require no conversion
     if (result == Py_None || CPPInstance_Check(result) ||
             PyBytes_Check(result) ||
             PyFloat_Check(result) || PyLong_Check(result) || PyInt_Check(result))

src/CPPClassMethod.cxx

@@ -24,7 +24,7 @@ PyObject* CPyCppyy::CPPClassMethod::Call(CPPInstance*&
 
 // translate the arguments
 #if PY_VERSION_HEX >= 0x03080000
-// TODO: The following is not robust and should be revisited e.g. by makeing CPPOverloads
+// TODO: The following is not robust and should be revisited e.g. by making CPPOverloads
 // that have only CPPClassMethods be true Python classmethods? Note that the original
 // implementation wasn't 100% correct either (e.g. static size() mapped to len()).
 //

src/CPPDataMember.cxx

@@ -216,7 +216,7 @@ static void dm_dealloc(CPPDataMember* dm)
 static PyMemberDef dm_members[] = {
         {(char*)"__doc__", T_OBJECT, offsetof(CPPDataMember, fDoc), 0,
                 (char*)"writable documentation"},
-        {NULL}  /* Sentinel */
+        {NULL, 0, 0, 0, nullptr}  /* Sentinel */
 };
 
 //= CPyCppyy datamember proxy access to internals ============================
@@ -304,6 +304,9 @@ PyTypeObject CPPDataMember_Type = {
 #if PY_VERSION_HEX >= 0x03040000
     , 0                            // tp_finalize
 #endif
+#if PY_VERSION_HEX >= 0x03080000
+    , 0                           // tp_vectorcall
+#endif
 };
 
 } // namespace CPyCppyy

src/CPPExcInstance.cxx

@@ -29,7 +29,7 @@ static PyObject* ep_new(PyTypeObject* subtype, PyObject* args, PyObject* kwds)
         PyObject* ulc = PyObject_GetAttr((PyObject*)subtype, PyStrings::gUnderlying);
         excobj->fCppInstance = PyType_Type.tp_call(ulc, args, kwds);
         if (!excobj->fCppInstance) {
-        // if this fails, then the contruction may have been attempted from a string
+        // if this fails, then the construction may have been attempted from a string
         // (e.g. from PyErr_Format); if so, drop the proxy and use fTopMessage instead
             PyErr_Clear();
             if (PyTuple_GET_SIZE(args) == 1) {
@@ -286,6 +286,9 @@ PyTypeObject CPPExcInstance_Type = {
 #if PY_VERSION_HEX >= 0x03040000
     , 0                            // tp_finalize
 #endif
+#if PY_VERSION_HEX >= 0x03080000
+    , 0                            // tp_vectorcall
+#endif
 };
 
 } // namespace CPyCppyy

src/CPPInstance.cxx

@@ -1083,6 +1083,9 @@ PyTypeObject CPPInstance_Type = {
 #if PY_VERSION_HEX >= 0x03040000
     , 0                            // tp_finalize
 #endif
+#if PY_VERSION_HEX >= 0x03080000
+    , 0                           // tp_vectorcall
+#endif
 };
 
 } // namespace CPyCppyy

src/CPPInstance.h

@@ -75,7 +75,7 @@ class CPPInstance {
     void* GetSmartObject() { return GetObjectRaw(); }
     Cppyy::TCppType_t GetSmartIsA() const;
 
-// cross-inheritence dispatch
+// cross-inheritance dispatch
     void SetDispatchPtr(void*);
 
 // redefine pointer to object as fixed-size array

src/CPPOverload.cxx

@@ -342,8 +342,15 @@ static PyObject* mp_func_closure(CPPOverload* /* pymeth */, void*)
     Py_RETURN_NONE;
 }
 
+// To declare a variable as unused only when compiling for Python 3.
+#if PY_VERSION_HEX < 0x03000000
+#define CPyCppyy_Py3_UNUSED(name) name
+#else
+#define CPyCppyy_Py3_UNUSED(name)
+#endif
+
 //----------------------------------------------------------------------------
-static PyObject* mp_func_code(CPPOverload* pymeth, void*)
+static PyObject* mp_func_code(CPPOverload* CPyCppyy_Py3_UNUSED(pymeth), void*)
 {
 // Code details are used in module inspect to fill out interactive help()
 #if PY_VERSION_HEX < 0x03000000
@@ -410,7 +417,6 @@ static PyObject* mp_func_code(CPPOverload* pymeth, void*)
     return code;
 #else
 // not important for functioning of most code, so not implemented for p3 for now (TODO)
-    pymeth = 0;
     Py_RETURN_NONE;
 #endif
 }
@@ -821,7 +827,7 @@ static CPPOverload* mp_descr_get(CPPOverload* pymeth, CPPInstance* pyobj, PyObje
     }
 
 // vector calls don't get here, unless a method is looked up on an instance, for
-// e.g. class mathods (C++ static); notify downstream to expect a 'self'
+// e.g. class methods (C++ static); notify downstream to expect a 'self'
     newPyMeth->fFlags |= CallContext::kFromDescr;
 
 #else
@@ -1043,6 +1049,9 @@ PyTypeObject CPPOverload_Type = {
 #if PY_VERSION_HEX >= 0x03040000
     , 0                                // tp_finalize
 #endif
+#if PY_VERSION_HEX >= 0x03080000
+    , 0                                // tp_vectorcall
+#endif
 };
 
 } // namespace CPyCppyy

src/CPPScope.cxx

@@ -704,6 +704,9 @@ PyTypeObject CPPScope_Type = {
 #if PY_VERSION_HEX >= 0x03040000
     , 0                            // tp_finalize
 #endif
+#if PY_VERSION_HEX >= 0x03080000
+    , 0                           // tp_vectorcall
+#endif
 };
 
 } // namespace CPyCppyy

src/CPyCppyyModule.cxx

@@ -158,6 +158,9 @@ static PyTypeObject PyNullPtr_t_Type = {
 #if PY_VERSION_HEX >= 0x03040000
     , 0                  // tp_finalize
 #endif
+#if PY_VERSION_HEX >= 0x03080000
+    , 0                  // tp_vectorcall
+#endif
 };
 
 
@@ -192,6 +195,9 @@ static PyTypeObject PyDefault_t_Type = {
 #if PY_VERSION_HEX >= 0x03040000
     , 0                  // tp_finalize
 #endif
+#if PY_VERSION_HEX >= 0x03080000
+    , 0                           // tp_vectorcall
+#endif
 };
 
 namespace {
@@ -206,7 +212,7 @@ PyObject _CPyCppyy_DefaultStruct = {
     1, &PyDefault_t_Type
 };
 
-// TOOD: refactor with Converters.cxx
+// TODO: refactor with Converters.cxx
 struct CPyCppyy_tagCDataObject {       // non-public (but stable)
     PyObject_HEAD
     char* b_ptr;
@@ -477,7 +483,7 @@ static void* GetCPPInstanceAddress(const char* fname, PyObject* args, PyObject*
             return &((CPPInstance*)pyobj)->GetObjectRaw();
 
         } else if (CPyCppyy_PyText_Check(pyobj)) {
-        // special cases for acces to the CPyCppyy API
+        // special cases for access to the CPyCppyy API
             std::string req = CPyCppyy_PyText_AsString((PyObject*)pyobj);
             if (req == "Instance_AsVoidPtr")
                 return (void*)&Instance_AsVoidPtr;
@@ -516,8 +522,8 @@ static PyObject* addressof(PyObject* /* dummy */, PyObject* args, PyObject* kwds
                 return nullptr;
             }
 
-            Cppyy::TCppFuncAddr_t addr = methods[0]->GetFunctionAddress();
-            return PyLong_FromLongLong((intptr_t)addr);
+            Cppyy::TCppFuncAddr_t caddr = methods[0]->GetFunctionAddress();
+            return PyLong_FromLongLong((intptr_t)caddr);
         }
 
     // C functions (incl. ourselves)
@@ -1054,7 +1060,7 @@ extern "C" void initlibcppyy()
 #endif
 
 #if PY_VERSION_HEX < 0x030b0000
-// prepare for lazyness (the insert is needed to capture the most generic lookup
+// prepare for laziness (the insert is needed to capture the most generic lookup
 // function, just in case ...)
     PyObject* dict = PyDict_New();
     PyObject* notstring = PyInt_FromLong(5);

src/CallContext.h

@@ -58,7 +58,7 @@ struct CallContext {
         kIsCreator      = 0x000002, // if method creates python-owned objects
         kIsConstructor  = 0x000004, // if method is a C++ constructor
         kHaveImplicit   = 0x000008, // indicate that implicit converters are available
-        kAllowImplicit  = 0x000010, // indicate that implicit coversions are allowed
+        kAllowImplicit  = 0x000010, // indicate that implicit conversions are allowed
         kNoImplicit     = 0x000020, // disable implicit to prevent recursion
         kCallDirect     = 0x000040, // call wrapped method directly, no inheritance
         kFromDescr      = 0x000080, // initiated from a descriptor

src/Converters.cxx

@@ -1234,7 +1234,7 @@ bool CPyCppyy::CStringConverter::SetArg(
     // use internal buffer as workaround
         fBuffer = std::string(cstr, len);
         if (fMaxSize != std::string::npos)
-            fBuffer.resize(fMaxSize, '\0');      // padd remainder of buffer as needed
+            fBuffer.resize(fMaxSize, '\0');      // pad remainder of buffer as needed
         cstr = fBuffer.c_str();
     } else
         SetLifeLine(ctxt->fPyContext, pyobject, (intptr_t)this);
@@ -1297,7 +1297,7 @@ bool CPyCppyy::CStringConverter::ToMemory(PyObject* value, void* address, PyObje
 
 // the pointer value is non-zero and not ours: assume byte copy
     if (fMaxSize != std::string::npos)
-        strncpy(*(char**)address, cstr, fMaxSize);    // padds remainder
+        strncpy(*(char**)address, cstr, fMaxSize);    // pads remainder
     else
     // coverity[secure_coding] - can't help it, it's intentional.
         strcpy(*(char**)address, cstr);
@@ -2512,7 +2512,7 @@ static PyObject* WrapperCacheEraser(PyObject*, PyObject* pyref)
     Py_RETURN_NONE;
 }
 static PyMethodDef gWrapperCacheEraserMethodDef = {
-    const_cast<char*>("interal_WrapperCacheEraser"),
+    const_cast<char*>("internal_WrapperCacheEraser"),
     (PyCFunction)WrapperCacheEraser,
     METH_O, nullptr
 };
@@ -2612,7 +2612,7 @@ static void* PyFunction_AsCPointer(PyObject* pyobject,
         // start function body
             Utility::ConstructCallbackPreamble(rettype, argtypes, code);
 
-        // create a referencable pointer
+        // create a referenceable pointer
             PyObject** ref = new PyObject*{pyobject};
 
         // function call itself and cleanup

src/CustomPyTypes.cxx

@@ -164,6 +164,9 @@ PyTypeObject TypedefPointerToClass_Type = {
 #if PY_VERSION_HEX >= 0x03040000
     , 0                           // tp_finalize
 #endif
+#if PY_VERSION_HEX >= 0x03080000
+    , 0                           // tp_vectorcall
+#endif
 };
 
 //= instancemethod object with a more efficient call function ================
@@ -329,6 +332,9 @@ PyTypeObject CustomInstanceMethod_Type = {
 #if PY_VERSION_HEX >= 0x03040000
     , 0                            // tp_finalize
 #endif
+#if PY_VERSION_HEX >= 0x03080000
+    , 0                           // tp_vectorcall
+#endif
 };
 
 
@@ -380,6 +386,9 @@ PyTypeObject IndexIter_Type = {
 #if PY_VERSION_HEX >= 0x03040000
     , 0                           // tp_finalize
 #endif
+#if PY_VERSION_HEX >= 0x03080000
+    , 0                           // tp_vectorcall
+#endif
 };
 
 
@@ -439,6 +448,9 @@ PyTypeObject VectorIter_Type = {
 #if PY_VERSION_HEX >= 0x03040000
     , 0                           // tp_finalize
 #endif
+#if PY_VERSION_HEX >= 0x03080000
+    , 0                           // tp_vectorcall
+#endif
 };
 
 } // namespace CPyCppyy

src/Executors.cxx

@@ -1074,9 +1074,9 @@ struct InitExecFactories_t {
         gf[CCOMPLEX_D " ptr"] =             gf["std::complex<double> ptr"];
 
     // factories for special cases
-        gf["const char*"] =                 (ef_t)+[]() { static CStringExecutor e{};     return &e; };
+        gf["const char*"] =                 (ef_t)+[](cdims_t) { static CStringExecutor e{};     return &e; };
         gf["char*"] =                       gf["const char*"];
-        gf["const char*&"] =                (ef_t)+[]() { static CStringRefExecutor e{};     return &e; };
+        gf["const char*&"] =                (ef_t)+[](cdims_t) { static CStringRefExecutor e{};     return &e; };
         gf["char*&"] =                      gf["const char*&"];
         gf["const signed char*"] =          gf["const char*"];
         gf["signed char*"] =                gf["char*"];

src/LowLevelViews.cxx

@@ -247,14 +247,14 @@ static char* lookup_dimension(Py_buffer& view, char* ptr, int dim, Py_ssize_t in
             index += nitems;
         else {
             PyErr_Format(PyExc_IndexError,
-                "negative index not supporte on dimension %d with unknown size", dim + 1);
+                "negative index not supported on dimension %d with unknown size", dim + 1);
             return nullptr;
         }
     }
 
     if (view.strides[dim] == CPyCppyy::UNKNOWN_SIZE) {
         PyErr_Format(PyExc_IndexError,
-            "multi index not supporte on dimension %d with unknown stride", dim + 1);
+            "multi index not supported on dimension %d with unknown stride", dim + 1);
         return nullptr;
     }
 
@@ -953,6 +953,9 @@ PyTypeObject LowLevelView_Type = {
 #if PY_VERSION_HEX >= 0x03040000
     , 0                            // tp_finalize
 #endif
+#if PY_VERSION_HEX >= 0x03080000
+    , 0                            // tp_vectorcall
+#endif
 };
 
 } // namespace CPyCppyy

src/MemoryRegulator.cxx

@@ -99,7 +99,7 @@ CPyCppyy::MemoryRegulator::MemoryRegulator()
 bool CPyCppyy::MemoryRegulator::RecursiveRemove(
     Cppyy::TCppObject_t cppobj, Cppyy::TCppType_t klass)
 {
-// if registerd by the framework, called whenever a cppobj gets destroyed
+// if registered by the framework, called whenever a cppobj gets destroyed
     if (!cppobj)
         return false;
 

src/ProxyWrappers.cxx

@@ -579,7 +579,7 @@ PyObject* CPyCppyy::CreateScopeProxy(const std::string& name, PyObject* parent,
     }
 
     if (!(bool)klass) {
-    // could be an enum, which are treated seperately in CPPScope (TODO: maybe they
+    // could be an enum, which are treated separately in CPPScope (TODO: maybe they
     // should be handled here instead anyway??)
         if (Cppyy::IsEnum(lookup))
             return nullptr;

src/Pythonize.cxx

@@ -824,7 +824,7 @@ static PyObject* MapFromPairs(PyObject* self, PyObject* pairs)
 PyObject* MapInit(PyObject* self, PyObject* args, PyObject* /* kwds */)
 {
 // Specialized map constructor to allow construction from mapping containers and
-// from tuples of pairs ("intializer_list style").
+// from tuples of pairs ("initializer_list style").
 
 // PyMapping_Check is not very discriminatory, as it basically only checks for the
 // existence of  __getitem__, hence the most common cases of tuple and list are
@@ -1026,7 +1026,7 @@ PyObject* CheckedGetItem(PyObject* self, PyObject* obj)
 {
 // Implement a generic python __getitem__ for STL-like classes that are missing the
 // reflection info for their iterators. This is then used for iteration by means of
-// consecutive indeces, it such index is of integer type.
+// consecutive indices, it such index is of integer type.
     Py_ssize_t size = PySequence_Size(self);
     Py_ssize_t idx  = PyInt_AsSsize_t(obj);
     if ((size == (Py_ssize_t)-1 || idx == (Py_ssize_t)-1) && PyErr_Occurred()) {
@@ -1653,7 +1653,7 @@ bool CPyCppyy::Pythonize(PyObject* pyclass, const std::string& name)
         // Python will iterate over __getitem__ using integers, but C++ operator[] will never raise
         // a StopIteration. A checked getitem (raising IndexError if beyond size()) works in some
         // cases but would mess up if operator[] is meant to implement an associative container. So,
-        // this has to be implemented as an interator protocol.
+        // this has to be implemented as an iterator protocol.
             ((PyTypeObject*)pyclass)->tp_iter = (getiterfunc)index_iter;
             Utility::AddToClass(pyclass, "__iter__", (PyCFunction)index_iter, METH_NOARGS);
         }

src/TemplateProxy.cxx

@@ -957,6 +957,9 @@ PyTypeObject TemplateProxy_Type = {
 #if PY_VERSION_HEX >= 0x03040000
     , 0                                // tp_finalize
 #endif
+#if PY_VERSION_HEX >= 0x03080000
+    , 0                                // tp_vectorcall
+#endif
 };
 
 } // namespace CPyCppyy