bpo-35134: Add Include/cpython/longobject.h (GH-29044)

Move Include/longobject.h non-limited API to a new
Include/cpython/longobject.h header file.

Move the following definitions to the internal C API:

* _PyLong_DigitValue
* _PyLong_FormatAdvancedWriter()
* _PyLong_FormatWriter()

1 files changed, 26 insertions, 0 deletions

diff --git a/Include/internal/pycore_long.h b/Include/internal/pycore_long.h
index 8edc902..8bdf8e5 100644
--- a/Include/internal/pycore_long.h
+++ b/Include/internal/pycore_long.h
@@ -37,6 +37,32 @@ static inline PyObject* _PyLong_GetOne(void)
 PyObject *_PyLong_Add(PyLongObject *left, PyLongObject *right);
 PyObject *_PyLong_Multiply(PyLongObject *left, PyLongObject *right);
 
+/* Used by Python/mystrtoul.c, _PyBytes_FromHex(),
+   _PyBytes_DecodeEscape(), etc. */
+PyAPI_DATA(unsigned char) _PyLong_DigitValue[256];
+
+/* Format the object based on the format_spec, as defined in PEP 3101
+   (Advanced String Formatting). */
+PyAPI_FUNC(int) _PyLong_FormatAdvancedWriter(
+    _PyUnicodeWriter *writer,
+    PyObject *obj,
+    PyObject *format_spec,
+    Py_ssize_t start,
+    Py_ssize_t end);
+
+PyAPI_FUNC(int) _PyLong_FormatWriter(
+    _PyUnicodeWriter *writer,
+    PyObject *obj,
+    int base,
+    int alternate);
+
+PyAPI_FUNC(char*) _PyLong_FormatBytesWriter(
+    _PyBytesWriter *writer,
+    char *str,
+    PyObject *obj,
+    int base,
+    int alternate);
+
 #ifdef __cplusplus
 }
 #endif