cpython/Python/future.c

#include "Python.h"
#include "pycore_ast.h"           // _PyAST_GetDocString()
#include "pycore_symtable.h"      // _PyFutureFeatures
#include "pycore_unicodeobject.h" // _PyUnicode_EqualToASCIIString()

#define UNDEFINED_FUTURE_FEATURE …

static int
future_check_features(_PyFutureFeatures *ff, stmt_ty s, PyObject *filename)
{ … }

static int
future_parse(_PyFutureFeatures *ff, mod_ty mod, PyObject *filename)
{ … }


int
_PyFuture_FromAST(mod_ty mod, PyObject *filename, _PyFutureFeatures *ff)
{ … }