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bpo-20201: variadic arguments support for AC (GH-18609)

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Implement support for `*args` in AC, and port `print()` to use it.
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Batuhan Taskaya 2021-07-16 18:43:02 +03:00 • committed by GitHub
parent 7915c96ffd
commit 9af34c9351
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GPG key ID: 4AEE18F83AFDEB23
8 changed files with 664 additions and 100 deletions
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11
Include/modsupport.h
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@ -50,6 +50,7 @@ PyAPI_FUNC(PyObject *) Py_BuildValue(const char *, ...);
PyAPI_FUNC(PyObject *) _Py_BuildValue_SizeT(const char *, ...);
#define ANY_VARARGS(n) (n == PY_SSIZE_T_MAX)
#ifndef Py_LIMITED_API
PyAPI_FUNC(int) _PyArg_UnpackStack(
PyObject *const *args,
@ -73,7 +74,7 @@ PyAPI_FUNC(void) _PyArg_BadArgument(const char *, const char *, const char *, Py
PyAPI_FUNC(int) _PyArg_CheckPositional(const char *, Py_ssize_t,
Py_ssize_t, Py_ssize_t);
#define _PyArg_CheckPositional(funcname, nargs, min, max) \
(((min) <= (nargs) && (nargs) <= (max)) \
((!ANY_VARARGS(max) && (min) <= (nargs) && (nargs) <= (max)) \
|| _PyArg_CheckPositional((funcname), (nargs), (min), (max)))
#endif
@ -127,6 +128,14 @@ PyAPI_FUNC(PyObject * const *) _PyArg_UnpackKeywords(
struct _PyArg_Parser *parser,
int minpos, int maxpos, int minkw,
PyObject **buf);
PyAPI_FUNC(PyObject * const *) _PyArg_UnpackKeywordsWithVararg(
PyObject *const *args, Py_ssize_t nargs,
PyObject *kwargs, PyObject *kwnames,
struct _PyArg_Parser *parser,
int minpos, int maxpos, int minkw,
int vararg, PyObject **buf);
#define _PyArg_UnpackKeywords(args, nargs, kwargs, kwnames, parser, minpos, maxpos, minkw, buf) \
(((minkw) == 0 && (kwargs) == NULL && (kwnames) == NULL && \
(minpos) <= (nargs) && (nargs) <= (maxpos) && args != NULL) ? (args) : \