bpo-36540: PEP 570 -- Implementation (GH-12701)

This commit contains the implementation of PEP570: Python positional-only parameters.

* Update Grammar/Grammar with new typedarglist and varargslist

* Regenerate grammar files

* Update and regenerate AST related files

* Update code object

* Update marshal.c

* Update compiler and symtable

* Regenerate importlib files

* Update callable objects

* Implement positional-only args logic in ceval.c

* Regenerate frozen data

* Update standard library to account for positional-only args

* Add test file for positional-only args

* Update other test files to account for positional-only args

* Add News entry

* Update inspect module and related tests

1 files changed, 2 insertions, 1 deletions

diff --git a/Include/code.h b/Include/code.h
index 2e661e8b36..933de97d07 100644
--- a/Include/code.h
+++ b/Include/code.h
@@ -21,6 +21,7 @@ typedef uint16_t _Py_CODEUNIT;
 typedef struct {
     PyObject_HEAD
     int co_argcount;            /* #arguments, except *args */
+    int co_posonlyargcount;     /* #positional only arguments */
     int co_kwonlyargcount;      /* #keyword only arguments */
     int co_nlocals;             /* #local variables */
     int co_stacksize;           /* #entries needed for evaluation stack */
@@ -102,7 +103,7 @@ PyAPI_DATA(PyTypeObject) PyCode_Type;
 
 /* Public interface */
 PyAPI_FUNC(PyCodeObject *) PyCode_New(
-        int, int, int, int, int, PyObject *, PyObject *,
+        int, int, int, int, int, int, PyObject *, PyObject *,
         PyObject *, PyObject *, PyObject *, PyObject *,
         PyObject *, PyObject *, int, PyObject *);
         /* same as struct above */