bpo-35134: Add Include/cpython/complexobject.h header (GH-32383)

Move the private _PyComplex_FormatAdvancedWriter() function to the
internal C API. This function is no longer exported.

1 files changed, 44 insertions, 0 deletions

diff --git a/Include/cpython/complexobject.h b/Include/cpython/complexobject.h
new file mode 100644
index 0000000..b7d7283
--- /dev/null
+++ b/Include/cpython/complexobject.h
@@ -0,0 +1,44 @@
+#ifndef Py_CPYTHON_COMPLEXOBJECT_H
+#  error "this header file must not be included directly"
+#endif
+
+typedef struct {
+    double real;
+    double imag;
+} Py_complex;
+
+/* Operations on complex numbers from complexmodule.c */
+
+PyAPI_FUNC(Py_complex) _Py_c_sum(Py_complex, Py_complex);
+PyAPI_FUNC(Py_complex) _Py_c_diff(Py_complex, Py_complex);
+PyAPI_FUNC(Py_complex) _Py_c_neg(Py_complex);
+PyAPI_FUNC(Py_complex) _Py_c_prod(Py_complex, Py_complex);
+PyAPI_FUNC(Py_complex) _Py_c_quot(Py_complex, Py_complex);
+PyAPI_FUNC(Py_complex) _Py_c_pow(Py_complex, Py_complex);
+PyAPI_FUNC(double) _Py_c_abs(Py_complex);
+
+/* Complex object interface */
+
+/*
+PyComplexObject represents a complex number with double-precision
+real and imaginary parts.
+*/
+typedef struct {
+    PyObject_HEAD
+    Py_complex cval;
+} PyComplexObject;
+
+PyAPI_FUNC(PyObject *) PyComplex_FromCComplex(Py_complex);
+
+PyAPI_FUNC(Py_complex) PyComplex_AsCComplex(PyObject *op);
+
+#ifdef Py_BUILD_CORE
+/* Format the object based on the format_spec, as defined in PEP 3101
+   (Advanced String Formatting). */
+extern int _PyComplex_FormatAdvancedWriter(
+    _PyUnicodeWriter *writer,
+    PyObject *obj,
+    PyObject *format_spec,
+    Py_ssize_t start,
+    Py_ssize_t end);
+#endif  // Py_BUILD_CORE