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Make Py_BuildValue, PyObject_CallFunction and 

PyObject_CallMethod aware of PY_SSIZE_T_CLEAN.
This commit is contained in:
Martin v. Löwis 2006-04-14 09:08:42 +00:00
parent 38a76a1017
commit 5cb6936672
8 changed files with 176 additions and 69 deletions
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5
Include/abstract.h
View File

@ -4,6 +4,11 @@
extern "C" {
#endif
#ifdef PY_SSIZE_T_CLEAN
#define PyObject_CallFunction _PyObject_CallFunction_SizeT
#define PyObject_CallMethod _PyObject_CallMethod_SizeT
#endif
/* Abstract Object Interface (many thanks to Jim Fulton) */
/*

14
Include/modsupport.h
View File

@ -17,21 +17,11 @@ extern "C" {
#define PyArg_ParseTupleAndKeywords _PyArg_ParseTupleAndKeywords_SizeT
#define PyArg_VaParse _PyArg_VaParse_SizeT
#define PyArg_VaParseTupleAndKeywords _PyArg_VaParseTupleAndKeywords_SizeT
#define PyArg_BuildValue _PyArg_BuildValue_SizeT
#define PyArg_VaBuildValue _PyArg_VaBuildValue_SizeT
#define Py_BuildValue _Py_BuildValue_SizeT
#define Py_VaBuildValue _Py_VaBuildValue_SizeT
#else
#ifdef HAVE_DECLSPEC_DLL
PyAPI_FUNC(int) _PyArg_Parse_SizeT(PyObject *, char *, ...);
PyAPI_FUNC(int) _PyArg_ParseTuple_SizeT(PyObject *, char *, ...);
PyAPI_FUNC(int) _PyArg_ParseTupleAndKeywords_SizeT(PyObject *, PyObject *,
const char *, char **, ...);
PyAPI_FUNC(PyObject *) _Py_BuildValue_SizeT(const char *, ...);
PyAPI_FUNC(int) _PyArg_VaParse_SizeT(PyObject *, char *, va_list);
PyAPI_FUNC(int) _PyArg_VaParseTupleAndKeywords_SizeT(PyObject *, PyObject *,
const char *, char **, va_list);
PyAPI_FUNC(PyObject *) _Py_VaBuildValue_SizeT(const char *, va_list);
#endif
#endif
PyAPI_FUNC(int) PyArg_Parse(PyObject *, const char *, ...);
PyAPI_FUNC(int) PyArg_ParseTuple(PyObject *, const char *, ...);

126
Objects/abstract.c
View File

@ -10,6 +10,14 @@
#define HASINDEX(o) PyType_HasFeature((o)->ob_type, Py_TPFLAGS_HAVE_INDEX)
#ifdef HAVE_DECLSPEC_DLL
PyAPI_FUNC(PyObject *) _PyObject_CallFunction_SizeT(PyObject *callable_object,
char *format, ...);
PyAPI_FUNC(PyObject *) _PyObject_CallMethod_SizeT(PyObject *o, char *m,
char *format, ...);
#endif
/* Shorthands to return certain errors */
static PyObject *
@ -1800,11 +1808,37 @@ PyObject_Call(PyObject *func, PyObject *arg, PyObject *kw)
return NULL;
}
static PyObject*
call_function_tail(PyObject *callable, PyObject *args)
{
PyObject *retval;
if (args == NULL)
return NULL;
if (!PyTuple_Check(args)) {
PyObject *a;
a = PyTuple_New(1);
if (a == NULL) {
Py_DECREF(args);
return NULL;
}
PyTuple_SET_ITEM(a, 0, args);
args = a;
}
retval = PyObject_Call(callable, args, NULL);
Py_DECREF(args);
return retval;
}
PyObject *
PyObject_CallFunction(PyObject *callable, char *format, ...)
{
va_list va;
PyObject *args, *retval;
PyObject *args;
if (callable == NULL)
return null_error();
@ -1817,31 +1851,34 @@ PyObject_CallFunction(PyObject *callable, char *format, ...)
else
args = PyTuple_New(0);
if (args == NULL)
return NULL;
return call_function_tail(callable, args);
}
if (!PyTuple_Check(args)) {
PyObject *a;
PyObject *
_PyObject_CallFunction_SizeT(PyObject *callable, char *format, ...)
{
va_list va;
PyObject *args;
a = PyTuple_New(1);
if (a == NULL)
return NULL;
if (PyTuple_SetItem(a, 0, args) < 0)
return NULL;
args = a;
if (callable == NULL)
return null_error();
if (format && *format) {
va_start(va, format);
args = _Py_VaBuildValue_SizeT(format, va);
va_end(va);
}
retval = PyObject_Call(callable, args, NULL);
else
args = PyTuple_New(0);
Py_DECREF(args);
return retval;
return call_function_tail(callable, args);
}
PyObject *
PyObject_CallMethod(PyObject *o, char *name, char *format, ...)
{
va_list va;
PyObject *args = NULL;
PyObject *args;
PyObject *func = NULL;
PyObject *retval = NULL;
@ -1867,24 +1904,49 @@ PyObject_CallMethod(PyObject *o, char *name, char *format, ...)
else
args = PyTuple_New(0);
if (!args)
goto exit;
if (!PyTuple_Check(args)) {
PyObject *a;
a = PyTuple_New(1);
if (a == NULL)
goto exit;
if (PyTuple_SetItem(a, 0, args) < 0)
goto exit;
args = a;
}
retval = PyObject_Call(func, args, NULL);
retval = call_function_tail(func, args);
exit:
Py_XDECREF(args);
/* args gets consumed in call_function_tail */
Py_XDECREF(func);
return retval;
}
PyObject *
_PyObject_CallMethod_SizeT(PyObject *o, char *name, char *format, ...)
{
va_list va;
PyObject *args;
PyObject *func = NULL;
PyObject *retval = NULL;
if (o == NULL || name == NULL)
return null_error();
func = PyObject_GetAttrString(o, name);
if (func == NULL) {
PyErr_SetString(PyExc_AttributeError, name);
return 0;
}
if (!PyCallable_Check(func)) {
type_error("call of non-callable attribute");
goto exit;
}
if (format && *format) {
va_start(va, format);
args = _Py_VaBuildValue_SizeT(format, va);
va_end(va);
}
else
args = PyTuple_New(0);
retval = call_function_tail(func, args);
exit:
/* args gets consumed in call_function_tail */
Py_XDECREF(func);
return retval;

1
Objects/stringobject.c
View File

@ -1,5 +1,6 @@
/* String object implementation */
#define PY_SSIZE_T_CLEAN
#include "Python.h"
#include <ctype.h>

1
Objects/unicodeobject.c
View File

@ -36,6 +36,7 @@ OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#define PY_SSIZE_T_CLEAN
#include "Python.h"
#include "unicodeobject.h"

7
Python/exceptions.c
View File

@ -14,6 +14,7 @@
* Copyright (c) 1998-2000 by Secret Labs AB. All rights reserved.
*/
#define PY_SSIZE_T_CLEAN
#include "Python.h"
#include "osdefs.h"
@ -1450,8 +1451,8 @@ PyObject * PyUnicodeDecodeError_Create(
assert(length < INT_MAX);
assert(start < INT_MAX);
assert(end < INT_MAX);
return PyObject_CallFunction(PyExc_UnicodeDecodeError, "ss#iis",
encoding, object, (int)length, (int)start, (int)end, reason);
return PyObject_CallFunction(PyExc_UnicodeDecodeError, "ss#nns",
encoding, object, length, start, end, reason);
}
@ -1565,7 +1566,7 @@ PyObject * PyUnicodeTranslateError_Create(
const Py_UNICODE *object, Py_ssize_t length,
Py_ssize_t start, Py_ssize_t end, const char *reason)
{
return PyObject_CallFunction(PyExc_UnicodeTranslateError, "u#iis",
return PyObject_CallFunction(PyExc_UnicodeTranslateError, "u#nns",
object, length, start, end, reason);
}
#endif

12
Python/getargs.c
View File

@ -18,6 +18,18 @@ int PyArg_ParseTupleAndKeywords(PyObject *, PyObject *,
int PyArg_VaParseTupleAndKeywords(PyObject *, PyObject *,
const char *, char **, va_list);
#ifdef HAVE_DECLSPEC_DLL
/* Export functions */
PyAPI_FUNC(int) _PyArg_Parse_SizeT(PyObject *, char *, ...);
PyAPI_FUNC(int) _PyArg_ParseTuple_SizeT(PyObject *, char *, ...);
PyAPI_FUNC(int) _PyArg_ParseTupleAndKeywords_SizeT(PyObject *, PyObject *,
const char *, char **, ...);
PyAPI_FUNC(PyObject *) _Py_BuildValue_SizeT(const char *, ...);
PyAPI_FUNC(int) _PyArg_VaParse_SizeT(PyObject *, char *, va_list);
PyAPI_FUNC(int) _PyArg_VaParseTupleAndKeywords_SizeT(PyObject *, PyObject *,
const char *, char **, va_list);
#endif
#define FLAG_COMPAT 1
#define FLAG_SIZE_T 2

79
Python/modsupport.c
View File

@ -3,8 +3,14 @@
#include "Python.h"
#define FLAG_SIZE_T 1
typedef double va_double;
static PyObject *va_build_value(const char *, va_list, int);
#ifdef HAVE_DECLSPEC_DLL
PyAPI_FUNC(PyObject *) _Py_BuildValue_SizeT(const char *, ...);
#endif
/* Package context -- the full module name for package imports */
char *_Py_PackageContext = NULL;
@ -146,14 +152,14 @@ countformat(const char *format, int endchar)
/* Generic function to create a value -- the inverse of getargs() */
/* After an original idea and first implementation by Steven Miale */
static PyObject *do_mktuple(const char**, va_list *, int, int);
static PyObject *do_mklist(const char**, va_list *, int, int);
static PyObject *do_mkdict(const char**, va_list *, int, int);
static PyObject *do_mkvalue(const char**, va_list *);
static PyObject *do_mktuple(const char**, va_list *, int, int, int);
static PyObject *do_mklist(const char**, va_list *, int, int, int);
static PyObject *do_mkdict(const char**, va_list *, int, int, int);
static PyObject *do_mkvalue(const char**, va_list *, int);
static PyObject *
do_mkdict(const char **p_format, va_list *p_va, int endchar, int n)
do_mkdict(const char **p_format, va_list *p_va, int endchar, int n, int flags)
{
PyObject *d;
int i;
@ -167,13 +173,13 @@ do_mkdict(const char **p_format, va_list *p_va, int endchar, int n)
for (i = 0; i < n; i+= 2) {
PyObject *k, *v;
int err;
k = do_mkvalue(p_format, p_va);
k = do_mkvalue(p_format, p_va, flags);
if (k == NULL) {
itemfailed = 1;
Py_INCREF(Py_None);
k = Py_None;
}
v = do_mkvalue(p_format, p_va);
v = do_mkvalue(p_format, p_va, flags);
if (v == NULL) {
itemfailed = 1;
Py_INCREF(Py_None);
@ -199,7 +205,7 @@ do_mkdict(const char **p_format, va_list *p_va, int endchar, int n)
}
static PyObject *
do_mklist(const char **p_format, va_list *p_va, int endchar, int n)
do_mklist(const char **p_format, va_list *p_va, int endchar, int n, int flags)
{
PyObject *v;
int i;
@ -212,7 +218,7 @@ do_mklist(const char **p_format, va_list *p_va, int endchar, int n)
/* Note that we can't bail immediately on error as this will leak
refcounts on any 'N' arguments. */
for (i = 0; i < n; i++) {
PyObject *w = do_mkvalue(p_format, p_va);
PyObject *w = do_mkvalue(p_format, p_va, flags);
if (w == NULL) {
itemfailed = 1;
Py_INCREF(Py_None);
@ -249,7 +255,7 @@ _ustrlen(Py_UNICODE *u)
#endif
static PyObject *
do_mktuple(const char **p_format, va_list *p_va, int endchar, int n)
do_mktuple(const char **p_format, va_list *p_va, int endchar, int n, int flags)
{
PyObject *v;
int i;
@ -261,7 +267,7 @@ do_mktuple(const char **p_format, va_list *p_va, int endchar, int n)
/* Note that we can't bail immediately on error as this will leak
refcounts on any 'N' arguments. */
for (i = 0; i < n; i++) {
PyObject *w = do_mkvalue(p_format, p_va);
PyObject *w = do_mkvalue(p_format, p_va, flags);
if (w == NULL) {
itemfailed = 1;
Py_INCREF(Py_None);
@ -286,21 +292,21 @@ do_mktuple(const char **p_format, va_list *p_va, int endchar, int n)
}
static PyObject *
do_mkvalue(const char **p_format, va_list *p_va)
do_mkvalue(const char **p_format, va_list *p_va, int flags)
{
for (;;) {
switch (*(*p_format)++) {
case '(':
return do_mktuple(p_format, p_va, ')',
countformat(*p_format, ')'));
countformat(*p_format, ')'), flags);
case '[':
return do_mklist(p_format, p_va, ']',
countformat(*p_format, ']'));
countformat(*p_format, ']'), flags);
case '{':
return do_mkdict(p_format, p_va, '}',
countformat(*p_format, '}'));
countformat(*p_format, '}'), flags);
case 'b':
case 'B':
@ -351,10 +357,13 @@ do_mkvalue(const char **p_format, va_list *p_va)
{
PyObject *v;
Py_UNICODE *u = va_arg(*p_va, Py_UNICODE *);
int n;
Py_ssize_t n;
if (**p_format == '#') {
++*p_format;
n = va_arg(*p_va, int);
if (flags & FLAG_SIZE_T)
n = va_arg(*p_va, Py_ssize_t);
else
n = va_arg(*p_va, int);
}
else
n = -1;
@ -393,10 +402,13 @@ do_mkvalue(const char **p_format, va_list *p_va)
{
PyObject *v;
char *str = va_arg(*p_va, char *);
int n;
Py_ssize_t n;
if (**p_format == '#') {
++*p_format;
n = va_arg(*p_va, int);
if (flags & FLAG_SIZE_T)
n = va_arg(*p_va, Py_ssize_t);
else
n = va_arg(*p_va, int);
}
else
n = -1;
@ -472,13 +484,36 @@ Py_BuildValue(const char *format, ...)
va_list va;
PyObject* retval;
va_start(va, format);
retval = Py_VaBuildValue(format, va);
retval = va_build_value(format, va, 0);
va_end(va);
return retval;
}
PyObject *
_Py_BuildValue_SizeT(const char *format, ...)
{
va_list va;
PyObject* retval;
va_start(va, format);
retval = va_build_value(format, va, FLAG_SIZE_T);
va_end(va);
return retval;
}
PyObject *
Py_VaBuildValue(const char *format, va_list va)
{
return va_build_value(format, va, 0);
}
PyObject *
_Py_VaBuildValue_SizeT(const char *format, va_list va)
{
return va_build_value(format, va, FLAG_SIZE_T);
}
static PyObject *
va_build_value(const char *format, va_list va, int flags)
{
const char *f = format;
int n = countformat(f, '\0');
@ -501,8 +536,8 @@ Py_VaBuildValue(const char *format, va_list va)
return Py_None;
}
if (n == 1)
return do_mkvalue(&f, &lva);
return do_mktuple(&f, &lva, '\0', n);
return do_mkvalue(&f, &lva, flags);
return do_mktuple(&f, &lva, '\0', n, flags);
}