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bpo-43693: Add _PyCode_New(). (gh-26375)

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This is an internal-only API that helps us manage the many values used to create a code object.

https://bugs.python.org/issue43693
This commit is contained in:
Eric Snow 2021-05-27 09:54:34 -06:00 • committed by GitHub
parent 318adeba78
commit 9f494d4929
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GPG key ID: 4AEE18F83AFDEB23
12 changed files with 4736 additions and 4648 deletions
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45
Python/marshal.c
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@ -13,6 +13,7 @@
#include "code.h"
#include "marshal.h"
#include "pycore_hashtable.h"
#include "pycore_code.h" // _PyCode_New()
/*[clinic input]
module marshal
@ -512,7 +513,6 @@ w_complex_object(PyObject *v, char flag, WFILE *p)
w_long(co->co_argcount, p);
w_long(co->co_posonlyargcount, p);
w_long(co->co_kwonlyargcount, p);
w_long(co->co_nlocals, p);
w_long(co->co_stacksize, p);
w_long(co->co_flags, p);
w_object(co->co_code, p);
@ -1301,7 +1301,6 @@ r_object(RFILE *p)
int argcount;
int posonlyargcount;
int kwonlyargcount;
int nlocals;
int stacksize;
int flags;
PyObject *code = NULL;
@ -1331,9 +1330,6 @@ r_object(RFILE *p)
goto code_error;
}
kwonlyargcount = (int)r_long(p);
if (PyErr_Occurred())
goto code_error;
nlocals = (int)r_long(p);
if (PyErr_Occurred())
goto code_error;
stacksize = (int)r_long(p);
@ -1354,6 +1350,7 @@ r_object(RFILE *p)
varnames = r_object(p);
if (varnames == NULL)
goto code_error;
Py_ssize_t nlocals = PyTuple_GET_SIZE(varnames);
freevars = r_object(p);
if (freevars == NULL)
goto code_error;
@ -1376,19 +1373,43 @@ r_object(RFILE *p)
if (exceptiontable == NULL)
goto code_error;
if (PySys_Audit("code.__new__", "OOOiiiiii",
code, filename, name, argcount, posonlyargcount,
kwonlyargcount, nlocals, stacksize, flags) < 0) {
goto code_error;
}
v = (PyObject *) PyCode_NewWithPosOnlyArgs(
argcount, posonlyargcount, kwonlyargcount,
nlocals, stacksize, flags,
code, consts, names, varnames,
freevars, cellvars, filename, name,
firstlineno, linetable, exceptiontable);
struct _PyCodeConstructor con = {
.filename = filename,
.name = name,
.flags = flags,
.code = code,
.firstlineno = firstlineno,
.linetable = linetable,
.consts = consts,
.names = names,
.varnames = varnames,
.cellvars = cellvars,
.freevars = freevars,
.argcount = argcount,
.posonlyargcount = posonlyargcount,
.kwonlyargcount = kwonlyargcount,
.stacksize = stacksize,
.exceptiontable = exceptiontable,
};
if (_PyCode_Validate(&con) < 0) {
goto code_error;
}
v = (PyObject *)_PyCode_New(&con);
if (v == NULL) {
goto code_error;
}
v = r_ref_insert(v, idx, flag, p);
code_error: