some new features

.venv/lib/python3.12/site-packages/Cython/Utility/CppSupport.cpp

@@ -0,0 +1,133 @@
+/////////////// CppExceptionConversion.proto ///////////////
+
+#ifndef __Pyx_CppExn2PyErr
+#include <new>
+#include <typeinfo>
+#include <stdexcept>
+#include <ios>
+
+static void __Pyx_CppExn2PyErr() {
+  // Catch a handful of different errors here and turn them into the
+  // equivalent Python errors.
+  try {
+    if (PyErr_Occurred())
+      ; // let the latest Python exn pass through and ignore the current one
+    else
+      throw;
+  } catch (const std::bad_alloc& exn) {
+    PyErr_SetString(PyExc_MemoryError, exn.what());
+  } catch (const std::bad_cast& exn) {
+    PyErr_SetString(PyExc_TypeError, exn.what());
+  } catch (const std::bad_typeid& exn) {
+    PyErr_SetString(PyExc_TypeError, exn.what());
+  } catch (const std::domain_error& exn) {
+    PyErr_SetString(PyExc_ValueError, exn.what());
+  } catch (const std::invalid_argument& exn) {
+    PyErr_SetString(PyExc_ValueError, exn.what());
+  } catch (const std::ios_base::failure& exn) {
+    // Unfortunately, in standard C++ we have no way of distinguishing EOF
+    // from other errors here; be careful with the exception mask
+    PyErr_SetString(PyExc_IOError, exn.what());
+  } catch (const std::out_of_range& exn) {
+    // Change out_of_range to IndexError
+    PyErr_SetString(PyExc_IndexError, exn.what());
+  } catch (const std::overflow_error& exn) {
+    PyErr_SetString(PyExc_OverflowError, exn.what());
+  } catch (const std::range_error& exn) {
+    PyErr_SetString(PyExc_ArithmeticError, exn.what());
+  } catch (const std::underflow_error& exn) {
+    PyErr_SetString(PyExc_ArithmeticError, exn.what());
+  } catch (const std::exception& exn) {
+    PyErr_SetString(PyExc_RuntimeError, exn.what());
+  }
+  catch (...)
+  {
+    PyErr_SetString(PyExc_RuntimeError, "Unknown exception");
+  }
+}
+#endif
+
+/////////////// PythranConversion.proto ///////////////
+
+template <class T>
+auto __Pyx_pythran_to_python(T &&value) -> decltype(to_python(
+      typename pythonic::returnable<typename std::remove_cv<typename std::remove_reference<T>::type>::type>::type{std::forward<T>(value)}))
+{
+  using returnable_type = typename pythonic::returnable<typename std::remove_cv<typename std::remove_reference<T>::type>::type>::type;
+  return to_python(returnable_type{std::forward<T>(value)});
+}
+
+#define __Pyx_PythranShapeAccessor(x) (pythonic::builtins::getattr(pythonic::types::attr::SHAPE{}, x))
+
+////////////// MoveIfSupported.proto //////////////////
+
+#if CYTHON_USE_CPP_STD_MOVE
+  #include <utility>
+  #define __PYX_STD_MOVE_IF_SUPPORTED(x) std::move(x)
+#else
+  #define __PYX_STD_MOVE_IF_SUPPORTED(x) x
+#endif
+
+////////////// EnumClassDecl.proto //////////////////
+//@proto_block: utility_code_proto_before_types
+
+#if defined (_MSC_VER)
+  #if _MSC_VER >= 1910
+    #define __PYX_ENUM_CLASS_DECL enum
+  #else
+    #define __PYX_ENUM_CLASS_DECL
+  #endif
+#else
+  #define __PYX_ENUM_CLASS_DECL enum
+#endif
+
+////////////// OptionalLocals.proto ////////////////
+//@proto_block: utility_code_proto_before_types
+
+#include <utility>
+#if defined(CYTHON_USE_BOOST_OPTIONAL)
+    // fallback mode - std::optional is preferred but this gives
+    // people with a less up-to-date compiler a chance
+    #include <boost/optional.hpp>
+    #define __Pyx_Optional_BaseType boost::optional
+#else
+    #include <optional>
+    // since std::optional is a C++17 features, a templated using declaration should be safe
+    // (although it could be replaced with a define)
+    template <typename T>
+    using __Pyx_Optional_BaseType = std::optional<T>;
+#endif
+
+// This class reuses as much of the implementation of std::optional as possible.
+// The only place it differs significantly is the assignment operators, which use
+// "emplace" (thus requiring move/copy constructors, but not move/copy
+// assignment operators). This is preferred because it lets us work with assignable
+// types (for example those with const members)
+template <typename T>
+class __Pyx_Optional_Type : private __Pyx_Optional_BaseType<T> {
+public:
+    using __Pyx_Optional_BaseType<T>::__Pyx_Optional_BaseType;
+    using __Pyx_Optional_BaseType<T>::has_value;
+    using __Pyx_Optional_BaseType<T>::operator*;
+    using __Pyx_Optional_BaseType<T>::operator->;
+#if __cplusplus >= 201103L || (defined(_MSC_VER) && _MSC_VER >= 1600)
+    __Pyx_Optional_Type& operator=(const __Pyx_Optional_Type& rhs) {
+        this->emplace(*rhs);
+        return *this;
+    }
+    __Pyx_Optional_Type& operator=(__Pyx_Optional_Type&& rhs) {
+        this->emplace(std::move(*rhs));
+        return *this;
+    }
+    template <typename U=T>
+    __Pyx_Optional_Type& operator=(U&& rhs) {
+        this->emplace(std::forward<U>(rhs));
+        return *this;
+    }
+#else
+    // Note - the "cpp_locals" feature is designed to require C++14.
+    // This pre-c++11 fallback is largely untested, and definitely won't work
+    // in all the cases that the more modern version does
+    using __Pyx_Optional_BaseType<T>::operator=; // the chances are emplace can't work...
+#endif
+};