annotate Objects/tupleobject.c @ 34161:ca2ca1aeb080 2.4

Check in missing png version of pyfav.gif.
author Johannes Gijsbers <jlg@dds.nl>
date Mon, 13 Dec 2004 13:11:42 +0000
parents 418a0c6bdc7d
children e43d5d2ca50a e22334b1da67
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
145
853b736a6a9e Added copyright notice.
Guido van Rossum <guido@python.org>
parents: 86
diff changeset
1
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2 /* Tuple object implementation */
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 4733
diff changeset
4 #include "Python.h"
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
5
12439
456869eaa7d5 Patch by Charles G Waldman to avoid a sneaky memory leak in
Guido van Rossum <guido@python.org>
parents: 11999
diff changeset
6 /* Speed optimization to avoid frequent malloc/free of small tuples */
1352
4d1a15fc4748 intobject.c: Save references to small integers, so that they can be
Sjoerd Mullender <sjoerd@acm.org>
parents: 1347
diff changeset
7 #ifndef MAXSAVESIZE
12439
456869eaa7d5 Patch by Charles G Waldman to avoid a sneaky memory leak in
Guido van Rossum <guido@python.org>
parents: 11999
diff changeset
8 #define MAXSAVESIZE 20 /* Largest tuple to save on free list */
456869eaa7d5 Patch by Charles G Waldman to avoid a sneaky memory leak in
Guido van Rossum <guido@python.org>
parents: 11999
diff changeset
9 #endif
456869eaa7d5 Patch by Charles G Waldman to avoid a sneaky memory leak in
Guido van Rossum <guido@python.org>
parents: 11999
diff changeset
10 #ifndef MAXSAVEDTUPLES
456869eaa7d5 Patch by Charles G Waldman to avoid a sneaky memory leak in
Guido van Rossum <guido@python.org>
parents: 11999
diff changeset
11 #define MAXSAVEDTUPLES 2000 /* Maximum number of tuples of each size to save */
1352
4d1a15fc4748 intobject.c: Save references to small integers, so that they can be
Sjoerd Mullender <sjoerd@acm.org>
parents: 1347
diff changeset
12 #endif
4d1a15fc4748 intobject.c: Save references to small integers, so that they can be
Sjoerd Mullender <sjoerd@acm.org>
parents: 1347
diff changeset
13
4d1a15fc4748 intobject.c: Save references to small integers, so that they can be
Sjoerd Mullender <sjoerd@acm.org>
parents: 1347
diff changeset
14 #if MAXSAVESIZE > 0
12439
456869eaa7d5 Patch by Charles G Waldman to avoid a sneaky memory leak in
Guido van Rossum <guido@python.org>
parents: 11999
diff changeset
15 /* Entries 1 up to MAXSAVESIZE are free lists, entry 0 is the empty
1352
4d1a15fc4748 intobject.c: Save references to small integers, so that they can be
Sjoerd Mullender <sjoerd@acm.org>
parents: 1347
diff changeset
16 tuple () of which at most one instance will be allocated.
4d1a15fc4748 intobject.c: Save references to small integers, so that they can be
Sjoerd Mullender <sjoerd@acm.org>
parents: 1347
diff changeset
17 */
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 4733
diff changeset
18 static PyTupleObject *free_tuples[MAXSAVESIZE];
12439
456869eaa7d5 Patch by Charles G Waldman to avoid a sneaky memory leak in
Guido van Rossum <guido@python.org>
parents: 11999
diff changeset
19 static int num_free_tuples[MAXSAVESIZE];
1352
4d1a15fc4748 intobject.c: Save references to small integers, so that they can be
Sjoerd Mullender <sjoerd@acm.org>
parents: 1347
diff changeset
20 #endif
4d1a15fc4748 intobject.c: Save references to small integers, so that they can be
Sjoerd Mullender <sjoerd@acm.org>
parents: 1347
diff changeset
21 #ifdef COUNT_ALLOCS
4d1a15fc4748 intobject.c: Save references to small integers, so that they can be
Sjoerd Mullender <sjoerd@acm.org>
parents: 1347
diff changeset
22 int fast_tuple_allocs;
4d1a15fc4748 intobject.c: Save references to small integers, so that they can be
Sjoerd Mullender <sjoerd@acm.org>
parents: 1347
diff changeset
23 int tuple_zero_allocs;
4d1a15fc4748 intobject.c: Save references to small integers, so that they can be
Sjoerd Mullender <sjoerd@acm.org>
parents: 1347
diff changeset
24 #endif
4d1a15fc4748 intobject.c: Save references to small integers, so that they can be
Sjoerd Mullender <sjoerd@acm.org>
parents: 1347
diff changeset
25
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 4733
diff changeset
26 PyObject *
13459
0f95c93f200b ANSI-fication of the sources.
Fred Drake <fdrake@acm.org>
parents: 13265
diff changeset
27 PyTuple_New(register int size)
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
28 {
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 4733
diff changeset
29 register PyTupleObject *op;
31759
be5d2a07bc26 Restored revision 2.87.
Armin Rigo <arigo@tunes.org>
parents: 31756
diff changeset
30 int i;
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
31 if (size < 0) {
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 4733
diff changeset
32 PyErr_BadInternalCall();
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
33 return NULL;
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
34 }
1352
4d1a15fc4748 intobject.c: Save references to small integers, so that they can be
Sjoerd Mullender <sjoerd@acm.org>
parents: 1347
diff changeset
35 #if MAXSAVESIZE > 0
1380
a4aa83012af3 Fixed bugs in resizetuple and extended the interface.
Sjoerd Mullender <sjoerd@acm.org>
parents: 1369
diff changeset
36 if (size == 0 && free_tuples[0]) {
a4aa83012af3 Fixed bugs in resizetuple and extended the interface.
Sjoerd Mullender <sjoerd@acm.org>
parents: 1369
diff changeset
37 op = free_tuples[0];
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 4733
diff changeset
38 Py_INCREF(op);
1352
4d1a15fc4748 intobject.c: Save references to small integers, so that they can be
Sjoerd Mullender <sjoerd@acm.org>
parents: 1347
diff changeset
39 #ifdef COUNT_ALLOCS
4d1a15fc4748 intobject.c: Save references to small integers, so that they can be
Sjoerd Mullender <sjoerd@acm.org>
parents: 1347
diff changeset
40 tuple_zero_allocs++;
4d1a15fc4748 intobject.c: Save references to small integers, so that they can be
Sjoerd Mullender <sjoerd@acm.org>
parents: 1347
diff changeset
41 #endif
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 4733
diff changeset
42 return (PyObject *) op;
1352
4d1a15fc4748 intobject.c: Save references to small integers, so that they can be
Sjoerd Mullender <sjoerd@acm.org>
parents: 1347
diff changeset
43 }
31663
3f693a772694 Eliminate an unnecessary test on a common code path.
Raymond Hettinger <python@rcn.com>
parents: 31633
diff changeset
44 if (size < MAXSAVESIZE && (op = free_tuples[size]) != NULL) {
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 4733
diff changeset
45 free_tuples[size] = (PyTupleObject *) op->ob_item[0];
12439
456869eaa7d5 Patch by Charles G Waldman to avoid a sneaky memory leak in
Guido van Rossum <guido@python.org>
parents: 11999
diff changeset
46 num_free_tuples[size]--;
1352
4d1a15fc4748 intobject.c: Save references to small integers, so that they can be
Sjoerd Mullender <sjoerd@acm.org>
parents: 1347
diff changeset
47 #ifdef COUNT_ALLOCS
4d1a15fc4748 intobject.c: Save references to small integers, so that they can be
Sjoerd Mullender <sjoerd@acm.org>
parents: 1347
diff changeset
48 fast_tuple_allocs++;
4d1a15fc4748 intobject.c: Save references to small integers, so that they can be
Sjoerd Mullender <sjoerd@acm.org>
parents: 1347
diff changeset
49 #endif
24898
a869d2de536f Call me anal, but there was a particular phrase that was speading to
Guido van Rossum <guido@python.org>
parents: 24683
diff changeset
50 /* Inline PyObject_InitVar */
9632
ac5345814ba0 When tracing references, reset the type and size of tuples allocated
Guido van Rossum <guido@python.org>
parents: 9484
diff changeset
51 #ifdef Py_TRACE_REFS
12576
1c7c2dd1beb1 Vladimir Marangozov's long-awaited malloc restructuring.
Guido van Rossum <guido@python.org>
parents: 12516
diff changeset
52 op->ob_size = size;
9632
ac5345814ba0 When tracing references, reset the type and size of tuples allocated
Guido van Rossum <guido@python.org>
parents: 9484
diff changeset
53 op->ob_type = &PyTuple_Type;
ac5345814ba0 When tracing references, reset the type and size of tuples allocated
Guido van Rossum <guido@python.org>
parents: 9484
diff changeset
54 #endif
12576
1c7c2dd1beb1 Vladimir Marangozov's long-awaited malloc restructuring.
Guido van Rossum <guido@python.org>
parents: 12516
diff changeset
55 _Py_NewReference((PyObject *)op);
5936
80d24364b932 Added _Fini() routines to free up some memory
Guido van Rossum <guido@python.org>
parents: 5396
diff changeset
56 }
80d24364b932 Added _Fini() routines to free up some memory
Guido van Rossum <guido@python.org>
parents: 5396
diff changeset
57 else
1352
4d1a15fc4748 intobject.c: Save references to small integers, so that they can be
Sjoerd Mullender <sjoerd@acm.org>
parents: 1347
diff changeset
58 #endif
4d1a15fc4748 intobject.c: Save references to small integers, so that they can be
Sjoerd Mullender <sjoerd@acm.org>
parents: 1347
diff changeset
59 {
11127
9a20038f0b99 Appropriate overflow checks so that things like sys.maxint*(1,) can't
Guido van Rossum <guido@python.org>
parents: 9632
diff changeset
60 int nbytes = size * sizeof(PyObject *);
9a20038f0b99 Appropriate overflow checks so that things like sys.maxint*(1,) can't
Guido van Rossum <guido@python.org>
parents: 9632
diff changeset
61 /* Check for overflow */
9a20038f0b99 Appropriate overflow checks so that things like sys.maxint*(1,) can't
Guido van Rossum <guido@python.org>
parents: 9632
diff changeset
62 if (nbytes / sizeof(PyObject *) != (size_t)size ||
19581
fd48a55ac364 Use new GC API.
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 18933
diff changeset
63 (nbytes += sizeof(PyTupleObject) - sizeof(PyObject *))
11127
9a20038f0b99 Appropriate overflow checks so that things like sys.maxint*(1,) can't
Guido van Rossum <guido@python.org>
parents: 9632
diff changeset
64 <= 0)
9a20038f0b99 Appropriate overflow checks so that things like sys.maxint*(1,) can't
Guido van Rossum <guido@python.org>
parents: 9632
diff changeset
65 {
9a20038f0b99 Appropriate overflow checks so that things like sys.maxint*(1,) can't
Guido van Rossum <guido@python.org>
parents: 9632
diff changeset
66 return PyErr_NoMemory();
9a20038f0b99 Appropriate overflow checks so that things like sys.maxint*(1,) can't
Guido van Rossum <guido@python.org>
parents: 9632
diff changeset
67 }
19581
fd48a55ac364 Use new GC API.
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 18933
diff changeset
68 op = PyObject_GC_NewVar(PyTupleObject, &PyTuple_Type, size);
1352
4d1a15fc4748 intobject.c: Save references to small integers, so that they can be
Sjoerd Mullender <sjoerd@acm.org>
parents: 1347
diff changeset
69 if (op == NULL)
19581
fd48a55ac364 Use new GC API.
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 18933
diff changeset
70 return NULL;
1352
4d1a15fc4748 intobject.c: Save references to small integers, so that they can be
Sjoerd Mullender <sjoerd@acm.org>
parents: 1347
diff changeset
71 }
31759
be5d2a07bc26 Restored revision 2.87.
Armin Rigo <arigo@tunes.org>
parents: 31756
diff changeset
72 for (i=0; i < size; i++)
be5d2a07bc26 Restored revision 2.87.
Armin Rigo <arigo@tunes.org>
parents: 31756
diff changeset
73 op->ob_item[i] = NULL;
1352
4d1a15fc4748 intobject.c: Save references to small integers, so that they can be
Sjoerd Mullender <sjoerd@acm.org>
parents: 1347
diff changeset
74 #if MAXSAVESIZE > 0
4d1a15fc4748 intobject.c: Save references to small integers, so that they can be
Sjoerd Mullender <sjoerd@acm.org>
parents: 1347
diff changeset
75 if (size == 0) {
1380
a4aa83012af3 Fixed bugs in resizetuple and extended the interface.
Sjoerd Mullender <sjoerd@acm.org>
parents: 1369
diff changeset
76 free_tuples[0] = op;
12439
456869eaa7d5 Patch by Charles G Waldman to avoid a sneaky memory leak in
Guido van Rossum <guido@python.org>
parents: 11999
diff changeset
77 ++num_free_tuples[0];
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 4733
diff changeset
78 Py_INCREF(op); /* extra INCREF so that this is never freed */
1352
4d1a15fc4748 intobject.c: Save references to small integers, so that they can be
Sjoerd Mullender <sjoerd@acm.org>
parents: 1347
diff changeset
79 }
4d1a15fc4748 intobject.c: Save references to small integers, so that they can be
Sjoerd Mullender <sjoerd@acm.org>
parents: 1347
diff changeset
80 #endif
19581
fd48a55ac364 Use new GC API.
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 18933
diff changeset
81 _PyObject_GC_TRACK(op);
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 4733
diff changeset
82 return (PyObject *) op;
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
83 }
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
84
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
85 int
13459
0f95c93f200b ANSI-fication of the sources.
Fred Drake <fdrake@acm.org>
parents: 13265
diff changeset
86 PyTuple_Size(register PyObject *op)
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
87 {
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 4733
diff changeset
88 if (!PyTuple_Check(op)) {
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 4733
diff changeset
89 PyErr_BadInternalCall();
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
90 return -1;
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
91 }
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
92 else
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 4733
diff changeset
93 return ((PyTupleObject *)op)->ob_size;
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
94 }
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
95
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 4733
diff changeset
96 PyObject *
13459
0f95c93f200b ANSI-fication of the sources.
Fred Drake <fdrake@acm.org>
parents: 13265
diff changeset
97 PyTuple_GetItem(register PyObject *op, register int i)
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
98 {
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 4733
diff changeset
99 if (!PyTuple_Check(op)) {
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 4733
diff changeset
100 PyErr_BadInternalCall();
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
101 return NULL;
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
102 }
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 4733
diff changeset
103 if (i < 0 || i >= ((PyTupleObject *)op) -> ob_size) {
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 4733
diff changeset
104 PyErr_SetString(PyExc_IndexError, "tuple index out of range");
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
105 return NULL;
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
106 }
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 4733
diff changeset
107 return ((PyTupleObject *)op) -> ob_item[i];
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
108 }
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
109
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
110 int
13459
0f95c93f200b ANSI-fication of the sources.
Fred Drake <fdrake@acm.org>
parents: 13265
diff changeset
111 PyTuple_SetItem(register PyObject *op, register int i, PyObject *newitem)
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
112 {
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 4733
diff changeset
113 register PyObject *olditem;
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 4733
diff changeset
114 register PyObject **p;
6083
f159044530b1 PyTuple_SetItem should require that the tuple's refcnt is one!
Guido van Rossum <guido@python.org>
parents: 5936
diff changeset
115 if (!PyTuple_Check(op) || op->ob_refcnt != 1) {
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 4733
diff changeset
116 Py_XDECREF(newitem);
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 4733
diff changeset
117 PyErr_BadInternalCall();
27
82c7bab78bb1 New errors.
Guido van Rossum <guido@python.org>
parents: 6
diff changeset
118 return -1;
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
119 }
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 4733
diff changeset
120 if (i < 0 || i >= ((PyTupleObject *)op) -> ob_size) {
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 4733
diff changeset
121 Py_XDECREF(newitem);
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 4733
diff changeset
122 PyErr_SetString(PyExc_IndexError,
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 4733
diff changeset
123 "tuple assignment index out of range");
27
82c7bab78bb1 New errors.
Guido van Rossum <guido@python.org>
parents: 6
diff changeset
124 return -1;
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
125 }
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 4733
diff changeset
126 p = ((PyTupleObject *)op) -> ob_item + i;
2504
425835b88099 a few peephole optimizations
Guido van Rossum <guido@python.org>
parents: 2059
diff changeset
127 olditem = *p;
425835b88099 a few peephole optimizations
Guido van Rossum <guido@python.org>
parents: 2059
diff changeset
128 *p = newitem;
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 4733
diff changeset
129 Py_XDECREF(olditem);
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
130 return 0;
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
131 }
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
132
30682
473f4e2959a8 Extended tuple's C API to include a new function, PyTuple_Pack() that is
Raymond Hettinger <python@rcn.com>
parents: 29008
diff changeset
133 PyObject *
473f4e2959a8 Extended tuple's C API to include a new function, PyTuple_Pack() that is
Raymond Hettinger <python@rcn.com>
parents: 29008
diff changeset
134 PyTuple_Pack(int n, ...)
473f4e2959a8 Extended tuple's C API to include a new function, PyTuple_Pack() that is
Raymond Hettinger <python@rcn.com>
parents: 29008
diff changeset
135 {
473f4e2959a8 Extended tuple's C API to include a new function, PyTuple_Pack() that is
Raymond Hettinger <python@rcn.com>
parents: 29008
diff changeset
136 int i;
473f4e2959a8 Extended tuple's C API to include a new function, PyTuple_Pack() that is
Raymond Hettinger <python@rcn.com>
parents: 29008
diff changeset
137 PyObject *o;
473f4e2959a8 Extended tuple's C API to include a new function, PyTuple_Pack() that is
Raymond Hettinger <python@rcn.com>
parents: 29008
diff changeset
138 PyObject *result;
31633
5bd455638c7a Optimize inner loops for subscript, repeat, and concat.
Raymond Hettinger <python@rcn.com>
parents: 31623
diff changeset
139 PyObject **items;
30682
473f4e2959a8 Extended tuple's C API to include a new function, PyTuple_Pack() that is
Raymond Hettinger <python@rcn.com>
parents: 29008
diff changeset
140 va_list vargs;
473f4e2959a8 Extended tuple's C API to include a new function, PyTuple_Pack() that is
Raymond Hettinger <python@rcn.com>
parents: 29008
diff changeset
141
473f4e2959a8 Extended tuple's C API to include a new function, PyTuple_Pack() that is
Raymond Hettinger <python@rcn.com>
parents: 29008
diff changeset
142 va_start(vargs, n);
473f4e2959a8 Extended tuple's C API to include a new function, PyTuple_Pack() that is
Raymond Hettinger <python@rcn.com>
parents: 29008
diff changeset
143 result = PyTuple_New(n);
473f4e2959a8 Extended tuple's C API to include a new function, PyTuple_Pack() that is
Raymond Hettinger <python@rcn.com>
parents: 29008
diff changeset
144 if (result == NULL)
473f4e2959a8 Extended tuple's C API to include a new function, PyTuple_Pack() that is
Raymond Hettinger <python@rcn.com>
parents: 29008
diff changeset
145 return NULL;
31633
5bd455638c7a Optimize inner loops for subscript, repeat, and concat.
Raymond Hettinger <python@rcn.com>
parents: 31623
diff changeset
146 items = ((PyTupleObject *)result)->ob_item;
30682
473f4e2959a8 Extended tuple's C API to include a new function, PyTuple_Pack() that is
Raymond Hettinger <python@rcn.com>
parents: 29008
diff changeset
147 for (i = 0; i < n; i++) {
473f4e2959a8 Extended tuple's C API to include a new function, PyTuple_Pack() that is
Raymond Hettinger <python@rcn.com>
parents: 29008
diff changeset
148 o = va_arg(vargs, PyObject *);
473f4e2959a8 Extended tuple's C API to include a new function, PyTuple_Pack() that is
Raymond Hettinger <python@rcn.com>
parents: 29008
diff changeset
149 Py_INCREF(o);
31633
5bd455638c7a Optimize inner loops for subscript, repeat, and concat.
Raymond Hettinger <python@rcn.com>
parents: 31623
diff changeset
150 items[i] = o;
30682
473f4e2959a8 Extended tuple's C API to include a new function, PyTuple_Pack() that is
Raymond Hettinger <python@rcn.com>
parents: 29008
diff changeset
151 }
473f4e2959a8 Extended tuple's C API to include a new function, PyTuple_Pack() that is
Raymond Hettinger <python@rcn.com>
parents: 29008
diff changeset
152 va_end(vargs);
473f4e2959a8 Extended tuple's C API to include a new function, PyTuple_Pack() that is
Raymond Hettinger <python@rcn.com>
parents: 29008
diff changeset
153 return result;
473f4e2959a8 Extended tuple's C API to include a new function, PyTuple_Pack() that is
Raymond Hettinger <python@rcn.com>
parents: 29008
diff changeset
154 }
473f4e2959a8 Extended tuple's C API to include a new function, PyTuple_Pack() that is
Raymond Hettinger <python@rcn.com>
parents: 29008
diff changeset
155
473f4e2959a8 Extended tuple's C API to include a new function, PyTuple_Pack() that is
Raymond Hettinger <python@rcn.com>
parents: 29008
diff changeset
156
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
157 /* Methods */
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
158
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
159 static void
13459
0f95c93f200b ANSI-fication of the sources.
Fred Drake <fdrake@acm.org>
parents: 13265
diff changeset
160 tupledealloc(register PyTupleObject *op)
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
161 {
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
162 register int i;
12439
456869eaa7d5 Patch by Charles G Waldman to avoid a sneaky memory leak in
Guido van Rossum <guido@python.org>
parents: 11999
diff changeset
163 register int len = op->ob_size;
22626
0446eeb787b7 Backport to 2.2.1:
Guido van Rossum <guido@python.org>
parents: 21293
diff changeset
164 PyObject_GC_UnTrack(op);
11999
c94247b5c355 Christian Tismer's "trashcan" patch:
Guido van Rossum <guido@python.org>
parents: 11673
diff changeset
165 Py_TRASHCAN_SAFE_BEGIN(op)
12439
456869eaa7d5 Patch by Charles G Waldman to avoid a sneaky memory leak in
Guido van Rossum <guido@python.org>
parents: 11999
diff changeset
166 if (len > 0) {
456869eaa7d5 Patch by Charles G Waldman to avoid a sneaky memory leak in
Guido van Rossum <guido@python.org>
parents: 11999
diff changeset
167 i = len;
31759
be5d2a07bc26 Restored revision 2.87.
Armin Rigo <arigo@tunes.org>
parents: 31756
diff changeset
168 while (--i >= 0)
be5d2a07bc26 Restored revision 2.87.
Armin Rigo <arigo@tunes.org>
parents: 31756
diff changeset
169 Py_XDECREF(op->ob_item[i]);
1352
4d1a15fc4748 intobject.c: Save references to small integers, so that they can be
Sjoerd Mullender <sjoerd@acm.org>
parents: 1347
diff changeset
170 #if MAXSAVESIZE > 0
19612
c396afef1aa9 More stuff discovered while writing the simplest of testcases:
Guido van Rossum <guido@python.org>
parents: 19592
diff changeset
171 if (len < MAXSAVESIZE &&
c396afef1aa9 More stuff discovered while writing the simplest of testcases:
Guido van Rossum <guido@python.org>
parents: 19592
diff changeset
172 num_free_tuples[len] < MAXSAVEDTUPLES &&
c396afef1aa9 More stuff discovered while writing the simplest of testcases:
Guido van Rossum <guido@python.org>
parents: 19592
diff changeset
173 op->ob_type == &PyTuple_Type)
c396afef1aa9 More stuff discovered while writing the simplest of testcases:
Guido van Rossum <guido@python.org>
parents: 19592
diff changeset
174 {
12439
456869eaa7d5 Patch by Charles G Waldman to avoid a sneaky memory leak in
Guido van Rossum <guido@python.org>
parents: 11999
diff changeset
175 op->ob_item[0] = (PyObject *) free_tuples[len];
456869eaa7d5 Patch by Charles G Waldman to avoid a sneaky memory leak in
Guido van Rossum <guido@python.org>
parents: 11999
diff changeset
176 num_free_tuples[len]++;
456869eaa7d5 Patch by Charles G Waldman to avoid a sneaky memory leak in
Guido van Rossum <guido@python.org>
parents: 11999
diff changeset
177 free_tuples[len] = op;
11999
c94247b5c355 Christian Tismer's "trashcan" patch:
Guido van Rossum <guido@python.org>
parents: 11673
diff changeset
178 goto done; /* return */
8559
92267838feb9 Slight rearrangement of some code to make it faster, by Vladimir
Guido van Rossum <guido@python.org>
parents: 6083
diff changeset
179 }
1352
4d1a15fc4748 intobject.c: Save references to small integers, so that they can be
Sjoerd Mullender <sjoerd@acm.org>
parents: 1347
diff changeset
180 #endif
8559
92267838feb9 Slight rearrangement of some code to make it faster, by Vladimir
Guido van Rossum <guido@python.org>
parents: 6083
diff changeset
181 }
20277
2983b54256c7 Enable GC for new-style instances. This touches lots of files, since
Guido van Rossum <guido@python.org>
parents: 19872
diff changeset
182 op->ob_type->tp_free((PyObject *)op);
11999
c94247b5c355 Christian Tismer's "trashcan" patch:
Guido van Rossum <guido@python.org>
parents: 11673
diff changeset
183 done:
c94247b5c355 Christian Tismer's "trashcan" patch:
Guido van Rossum <guido@python.org>
parents: 11673
diff changeset
184 Py_TRASHCAN_SAFE_END(op)
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
185 }
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
186
288
9b43a983124c printobject now returns an error code
Guido van Rossum <guido@python.org>
parents: 258
diff changeset
187 static int
13459
0f95c93f200b ANSI-fication of the sources.
Fred Drake <fdrake@acm.org>
parents: 13265
diff changeset
188 tupleprint(PyTupleObject *op, FILE *fp, int flags)
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
189 {
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
190 int i;
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
191 fprintf(fp, "(");
288
9b43a983124c printobject now returns an error code
Guido van Rossum <guido@python.org>
parents: 258
diff changeset
192 for (i = 0; i < op->ob_size; i++) {
9b43a983124c printobject now returns an error code
Guido van Rossum <guido@python.org>
parents: 258
diff changeset
193 if (i > 0)
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
194 fprintf(fp, ", ");
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 4733
diff changeset
195 if (PyObject_Print(op->ob_item[i], fp, 0) != 0)
288
9b43a983124c printobject now returns an error code
Guido van Rossum <guido@python.org>
parents: 258
diff changeset
196 return -1;
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
197 }
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
198 if (op->ob_size == 1)
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
199 fprintf(fp, ",");
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
200 fprintf(fp, ")");
288
9b43a983124c printobject now returns an error code
Guido van Rossum <guido@python.org>
parents: 258
diff changeset
201 return 0;
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
202 }
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
203
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 4733
diff changeset
204 static PyObject *
13459
0f95c93f200b ANSI-fication of the sources.
Fred Drake <fdrake@acm.org>
parents: 13265
diff changeset
205 tuplerepr(PyTupleObject *v)
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
206 {
18129
9d533ae574d2 SF bug 433228: repr(list) woes when len(list) big.
Tim Peters <tim.peters@gmail.com>
parents: 17979
diff changeset
207 int i, n;
9d533ae574d2 SF bug 433228: repr(list) woes when len(list) big.
Tim Peters <tim.peters@gmail.com>
parents: 17979
diff changeset
208 PyObject *s, *temp;
9d533ae574d2 SF bug 433228: repr(list) woes when len(list) big.
Tim Peters <tim.peters@gmail.com>
parents: 17979
diff changeset
209 PyObject *pieces, *result = NULL;
9d533ae574d2 SF bug 433228: repr(list) woes when len(list) big.
Tim Peters <tim.peters@gmail.com>
parents: 17979
diff changeset
210
9d533ae574d2 SF bug 433228: repr(list) woes when len(list) big.
Tim Peters <tim.peters@gmail.com>
parents: 17979
diff changeset
211 n = v->ob_size;
9d533ae574d2 SF bug 433228: repr(list) woes when len(list) big.
Tim Peters <tim.peters@gmail.com>
parents: 17979
diff changeset
212 if (n == 0)
9d533ae574d2 SF bug 433228: repr(list) woes when len(list) big.
Tim Peters <tim.peters@gmail.com>
parents: 17979
diff changeset
213 return PyString_FromString("()");
9d533ae574d2 SF bug 433228: repr(list) woes when len(list) big.
Tim Peters <tim.peters@gmail.com>
parents: 17979
diff changeset
214
9d533ae574d2 SF bug 433228: repr(list) woes when len(list) big.
Tim Peters <tim.peters@gmail.com>
parents: 17979
diff changeset
215 pieces = PyTuple_New(n);
9d533ae574d2 SF bug 433228: repr(list) woes when len(list) big.
Tim Peters <tim.peters@gmail.com>
parents: 17979
diff changeset
216 if (pieces == NULL)
9d533ae574d2 SF bug 433228: repr(list) woes when len(list) big.
Tim Peters <tim.peters@gmail.com>
parents: 17979
diff changeset
217 return NULL;
9d533ae574d2 SF bug 433228: repr(list) woes when len(list) big.
Tim Peters <tim.peters@gmail.com>
parents: 17979
diff changeset
218
9d533ae574d2 SF bug 433228: repr(list) woes when len(list) big.
Tim Peters <tim.peters@gmail.com>
parents: 17979
diff changeset
219 /* Do repr() on each element. */
9d533ae574d2 SF bug 433228: repr(list) woes when len(list) big.
Tim Peters <tim.peters@gmail.com>
parents: 17979
diff changeset
220 for (i = 0; i < n; ++i) {
9d533ae574d2 SF bug 433228: repr(list) woes when len(list) big.
Tim Peters <tim.peters@gmail.com>
parents: 17979
diff changeset
221 s = PyObject_Repr(v->ob_item[i]);
9d533ae574d2 SF bug 433228: repr(list) woes when len(list) big.
Tim Peters <tim.peters@gmail.com>
parents: 17979
diff changeset
222 if (s == NULL)
9d533ae574d2 SF bug 433228: repr(list) woes when len(list) big.
Tim Peters <tim.peters@gmail.com>
parents: 17979
diff changeset
223 goto Done;
9d533ae574d2 SF bug 433228: repr(list) woes when len(list) big.
Tim Peters <tim.peters@gmail.com>
parents: 17979
diff changeset
224 PyTuple_SET_ITEM(pieces, i, s);
9d533ae574d2 SF bug 433228: repr(list) woes when len(list) big.
Tim Peters <tim.peters@gmail.com>
parents: 17979
diff changeset
225 }
9d533ae574d2 SF bug 433228: repr(list) woes when len(list) big.
Tim Peters <tim.peters@gmail.com>
parents: 17979
diff changeset
226
9d533ae574d2 SF bug 433228: repr(list) woes when len(list) big.
Tim Peters <tim.peters@gmail.com>
parents: 17979
diff changeset
227 /* Add "()" decorations to the first and last items. */
9d533ae574d2 SF bug 433228: repr(list) woes when len(list) big.
Tim Peters <tim.peters@gmail.com>
parents: 17979
diff changeset
228 assert(n > 0);
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 4733
diff changeset
229 s = PyString_FromString("(");
18129
9d533ae574d2 SF bug 433228: repr(list) woes when len(list) big.
Tim Peters <tim.peters@gmail.com>
parents: 17979
diff changeset
230 if (s == NULL)
9d533ae574d2 SF bug 433228: repr(list) woes when len(list) big.
Tim Peters <tim.peters@gmail.com>
parents: 17979
diff changeset
231 goto Done;
9d533ae574d2 SF bug 433228: repr(list) woes when len(list) big.
Tim Peters <tim.peters@gmail.com>
parents: 17979
diff changeset
232 temp = PyTuple_GET_ITEM(pieces, 0);
9d533ae574d2 SF bug 433228: repr(list) woes when len(list) big.
Tim Peters <tim.peters@gmail.com>
parents: 17979
diff changeset
233 PyString_ConcatAndDel(&s, temp);
9d533ae574d2 SF bug 433228: repr(list) woes when len(list) big.
Tim Peters <tim.peters@gmail.com>
parents: 17979
diff changeset
234 PyTuple_SET_ITEM(pieces, 0, s);
9d533ae574d2 SF bug 433228: repr(list) woes when len(list) big.
Tim Peters <tim.peters@gmail.com>
parents: 17979
diff changeset
235 if (s == NULL)
9d533ae574d2 SF bug 433228: repr(list) woes when len(list) big.
Tim Peters <tim.peters@gmail.com>
parents: 17979
diff changeset
236 goto Done;
9d533ae574d2 SF bug 433228: repr(list) woes when len(list) big.
Tim Peters <tim.peters@gmail.com>
parents: 17979
diff changeset
237
9d533ae574d2 SF bug 433228: repr(list) woes when len(list) big.
Tim Peters <tim.peters@gmail.com>
parents: 17979
diff changeset
238 s = PyString_FromString(n == 1 ? ",)" : ")");
9d533ae574d2 SF bug 433228: repr(list) woes when len(list) big.
Tim Peters <tim.peters@gmail.com>
parents: 17979
diff changeset
239 if (s == NULL)
9d533ae574d2 SF bug 433228: repr(list) woes when len(list) big.
Tim Peters <tim.peters@gmail.com>
parents: 17979
diff changeset
240 goto Done;
9d533ae574d2 SF bug 433228: repr(list) woes when len(list) big.
Tim Peters <tim.peters@gmail.com>
parents: 17979
diff changeset
241 temp = PyTuple_GET_ITEM(pieces, n-1);
9d533ae574d2 SF bug 433228: repr(list) woes when len(list) big.
Tim Peters <tim.peters@gmail.com>
parents: 17979
diff changeset
242 PyString_ConcatAndDel(&temp, s);
9d533ae574d2 SF bug 433228: repr(list) woes when len(list) big.
Tim Peters <tim.peters@gmail.com>
parents: 17979
diff changeset
243 PyTuple_SET_ITEM(pieces, n-1, temp);
9d533ae574d2 SF bug 433228: repr(list) woes when len(list) big.
Tim Peters <tim.peters@gmail.com>
parents: 17979
diff changeset
244 if (temp == NULL)
9d533ae574d2 SF bug 433228: repr(list) woes when len(list) big.
Tim Peters <tim.peters@gmail.com>
parents: 17979
diff changeset
245 goto Done;
9d533ae574d2 SF bug 433228: repr(list) woes when len(list) big.
Tim Peters <tim.peters@gmail.com>
parents: 17979
diff changeset
246
9d533ae574d2 SF bug 433228: repr(list) woes when len(list) big.
Tim Peters <tim.peters@gmail.com>
parents: 17979
diff changeset
247 /* Paste them all together with ", " between. */
9d533ae574d2 SF bug 433228: repr(list) woes when len(list) big.
Tim Peters <tim.peters@gmail.com>
parents: 17979
diff changeset
248 s = PyString_FromString(", ");
9d533ae574d2 SF bug 433228: repr(list) woes when len(list) big.
Tim Peters <tim.peters@gmail.com>
parents: 17979
diff changeset
249 if (s == NULL)
9d533ae574d2 SF bug 433228: repr(list) woes when len(list) big.
Tim Peters <tim.peters@gmail.com>
parents: 17979
diff changeset
250 goto Done;
9d533ae574d2 SF bug 433228: repr(list) woes when len(list) big.
Tim Peters <tim.peters@gmail.com>
parents: 17979
diff changeset
251 result = _PyString_Join(s, pieces);
9d533ae574d2 SF bug 433228: repr(list) woes when len(list) big.
Tim Peters <tim.peters@gmail.com>
parents: 17979
diff changeset
252 Py_DECREF(s);
9d533ae574d2 SF bug 433228: repr(list) woes when len(list) big.
Tim Peters <tim.peters@gmail.com>
parents: 17979
diff changeset
253
9d533ae574d2 SF bug 433228: repr(list) woes when len(list) big.
Tim Peters <tim.peters@gmail.com>
parents: 17979
diff changeset
254 Done:
9d533ae574d2 SF bug 433228: repr(list) woes when len(list) big.
Tim Peters <tim.peters@gmail.com>
parents: 17979
diff changeset
255 Py_DECREF(pieces);
9d533ae574d2 SF bug 433228: repr(list) woes when len(list) big.
Tim Peters <tim.peters@gmail.com>
parents: 17979
diff changeset
256 return result;
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
257 }
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
258
32242
0bdb49a5a8fa Replaced arbitrary addend in tuple_hash with one that is known to generate
Raymond Hettinger <python@rcn.com>
parents: 32171
diff changeset
259 /* The addend 82520, was selected from the range(0, 1000000) for
0bdb49a5a8fa Replaced arbitrary addend in tuple_hash with one that is known to generate
Raymond Hettinger <python@rcn.com>
parents: 32171
diff changeset
260 generating the greatest number of prime multipliers for tuples
0bdb49a5a8fa Replaced arbitrary addend in tuple_hash with one that is known to generate
Raymond Hettinger <python@rcn.com>
parents: 32171
diff changeset
261 upto length eight:
0bdb49a5a8fa Replaced arbitrary addend in tuple_hash with one that is known to generate
Raymond Hettinger <python@rcn.com>
parents: 32171
diff changeset
262
0bdb49a5a8fa Replaced arbitrary addend in tuple_hash with one that is known to generate
Raymond Hettinger <python@rcn.com>
parents: 32171
diff changeset
263 1082527, 1165049, 1082531, 1165057, 1247581, 1330103, 1082533,
0bdb49a5a8fa Replaced arbitrary addend in tuple_hash with one that is known to generate
Raymond Hettinger <python@rcn.com>
parents: 32171
diff changeset
264 1330111, 1412633, 1165069, 1247599, 1495177, 1577699
0bdb49a5a8fa Replaced arbitrary addend in tuple_hash with one that is known to generate
Raymond Hettinger <python@rcn.com>
parents: 32171
diff changeset
265 */
0bdb49a5a8fa Replaced arbitrary addend in tuple_hash with one that is known to generate
Raymond Hettinger <python@rcn.com>
parents: 32171
diff changeset
266
1257
1cabc2b6c970 * Changed all copyright messages to include 1993.
Guido van Rossum <guido@python.org>
parents: 795
diff changeset
267 static long
13459
0f95c93f200b ANSI-fication of the sources.
Fred Drake <fdrake@acm.org>
parents: 13265
diff changeset
268 tuplehash(PyTupleObject *v)
1257
1cabc2b6c970 * Changed all copyright messages to include 1993.
Guido van Rossum <guido@python.org>
parents: 795
diff changeset
269 {
1cabc2b6c970 * Changed all copyright messages to include 1993.
Guido van Rossum <guido@python.org>
parents: 795
diff changeset
270 register long x, y;
1cabc2b6c970 * Changed all copyright messages to include 1993.
Guido van Rossum <guido@python.org>
parents: 795
diff changeset
271 register int len = v->ob_size;
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 4733
diff changeset
272 register PyObject **p;
32171
97b908a9971a SF bug #942952: Weakness in tuple hash
Raymond Hettinger <python@rcn.com>
parents: 31759
diff changeset
273 long mult = 1000003L;
1257
1cabc2b6c970 * Changed all copyright messages to include 1993.
Guido van Rossum <guido@python.org>
parents: 795
diff changeset
274 x = 0x345678L;
1cabc2b6c970 * Changed all copyright messages to include 1993.
Guido van Rossum <guido@python.org>
parents: 795
diff changeset
275 p = v->ob_item;
1cabc2b6c970 * Changed all copyright messages to include 1993.
Guido van Rossum <guido@python.org>
parents: 795
diff changeset
276 while (--len >= 0) {
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 4733
diff changeset
277 y = PyObject_Hash(*p++);
1257
1cabc2b6c970 * Changed all copyright messages to include 1993.
Guido van Rossum <guido@python.org>
parents: 795
diff changeset
278 if (y == -1)
1cabc2b6c970 * Changed all copyright messages to include 1993.
Guido van Rossum <guido@python.org>
parents: 795
diff changeset
279 return -1;
32171
97b908a9971a SF bug #942952: Weakness in tuple hash
Raymond Hettinger <python@rcn.com>
parents: 31759
diff changeset
280 x = (x ^ y) * mult;
32242
0bdb49a5a8fa Replaced arbitrary addend in tuple_hash with one that is known to generate
Raymond Hettinger <python@rcn.com>
parents: 32171
diff changeset
281 mult += 82520L + len + len;
1257
1cabc2b6c970 * Changed all copyright messages to include 1993.
Guido van Rossum <guido@python.org>
parents: 795
diff changeset
282 }
32318
418a0c6bdc7d Add a final permutation step to the tuple hash function.
Raymond Hettinger <python@rcn.com>
parents: 32242
diff changeset
283 x += 97531L;
1257
1cabc2b6c970 * Changed all copyright messages to include 1993.
Guido van Rossum <guido@python.org>
parents: 795
diff changeset
284 if (x == -1)
1cabc2b6c970 * Changed all copyright messages to include 1993.
Guido van Rossum <guido@python.org>
parents: 795
diff changeset
285 x = -2;
1cabc2b6c970 * Changed all copyright messages to include 1993.
Guido van Rossum <guido@python.org>
parents: 795
diff changeset
286 return x;
1cabc2b6c970 * Changed all copyright messages to include 1993.
Guido van Rossum <guido@python.org>
parents: 795
diff changeset
287 }
1cabc2b6c970 * Changed all copyright messages to include 1993.
Guido van Rossum <guido@python.org>
parents: 795
diff changeset
288
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
289 static int
13459
0f95c93f200b ANSI-fication of the sources.
Fred Drake <fdrake@acm.org>
parents: 13265
diff changeset
290 tuplelength(PyTupleObject *a)
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
291 {
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
292 return a->ob_size;
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
293 }
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
294
12516
e6e914d5b207 add list_contains and tuplecontains: efficient implementations of tp_contains
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 12439
diff changeset
295 static int
13459
0f95c93f200b ANSI-fication of the sources.
Fred Drake <fdrake@acm.org>
parents: 13265
diff changeset
296 tuplecontains(PyTupleObject *a, PyObject *el)
12516
e6e914d5b207 add list_contains and tuplecontains: efficient implementations of tp_contains
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 12439
diff changeset
297 {
e6e914d5b207 add list_contains and tuplecontains: efficient implementations of tp_contains
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 12439
diff changeset
298 int i, cmp;
e6e914d5b207 add list_contains and tuplecontains: efficient implementations of tp_contains
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 12439
diff changeset
299
25125
172845c09afe Micro-optimization for list_contains. Factored double if test
Raymond Hettinger <python@rcn.com>
parents: 24898
diff changeset
300 for (i = 0, cmp = 0 ; cmp == 0 && i < a->ob_size; ++i)
15973
72139263f8a7 Same treatment as listobject.c:
Guido van Rossum <guido@python.org>
parents: 15037
diff changeset
301 cmp = PyObject_RichCompareBool(el, PyTuple_GET_ITEM(a, i),
25125
172845c09afe Micro-optimization for list_contains. Factored double if test
Raymond Hettinger <python@rcn.com>
parents: 24898
diff changeset
302 Py_EQ);
25128
f1c69c32c42b PyObject_RichCompareBool() already returns -1, 0, or 1, so return its value
Neal Norwitz <nnorwitz@gmail.com>
parents: 25125
diff changeset
303 return cmp;
12516
e6e914d5b207 add list_contains and tuplecontains: efficient implementations of tp_contains
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 12439
diff changeset
304 }
e6e914d5b207 add list_contains and tuplecontains: efficient implementations of tp_contains
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 12439
diff changeset
305
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 4733
diff changeset
306 static PyObject *
13459
0f95c93f200b ANSI-fication of the sources.
Fred Drake <fdrake@acm.org>
parents: 13265
diff changeset
307 tupleitem(register PyTupleObject *a, register int i)
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
308 {
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
309 if (i < 0 || i >= a->ob_size) {
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 4733
diff changeset
310 PyErr_SetString(PyExc_IndexError, "tuple index out of range");
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
311 return NULL;
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
312 }
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 4733
diff changeset
313 Py_INCREF(a->ob_item[i]);
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
314 return a->ob_item[i];
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
315 }
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
316
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 4733
diff changeset
317 static PyObject *
13459
0f95c93f200b ANSI-fication of the sources.
Fred Drake <fdrake@acm.org>
parents: 13265
diff changeset
318 tupleslice(register PyTupleObject *a, register int ilow, register int ihigh)
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
319 {
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 4733
diff changeset
320 register PyTupleObject *np;
31623
d34e7eaf4cd6 Optimize tuple_slice() and make further improvements to list_slice()
Raymond Hettinger <python@rcn.com>
parents: 30682
diff changeset
321 PyObject **src, **dest;
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
322 register int i;
31623
d34e7eaf4cd6 Optimize tuple_slice() and make further improvements to list_slice()
Raymond Hettinger <python@rcn.com>
parents: 30682
diff changeset
323 int len;
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
324 if (ilow < 0)
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
325 ilow = 0;
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
326 if (ihigh > a->ob_size)
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
327 ihigh = a->ob_size;
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
328 if (ihigh < ilow)
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
329 ihigh = ilow;
19872
51363348dcfa The endless 460020 bug.
Tim Peters <tim.peters@gmail.com>
parents: 19657
diff changeset
330 if (ilow == 0 && ihigh == a->ob_size && PyTuple_CheckExact(a)) {
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 4733
diff changeset
331 Py_INCREF(a);
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 4733
diff changeset
332 return (PyObject *)a;
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
333 }
31623
d34e7eaf4cd6 Optimize tuple_slice() and make further improvements to list_slice()
Raymond Hettinger <python@rcn.com>
parents: 30682
diff changeset
334 len = ihigh - ilow;
d34e7eaf4cd6 Optimize tuple_slice() and make further improvements to list_slice()
Raymond Hettinger <python@rcn.com>
parents: 30682
diff changeset
335 np = (PyTupleObject *)PyTuple_New(len);
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
336 if (np == NULL)
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
337 return NULL;
31623
d34e7eaf4cd6 Optimize tuple_slice() and make further improvements to list_slice()
Raymond Hettinger <python@rcn.com>
parents: 30682
diff changeset
338 src = a->ob_item + ilow;
d34e7eaf4cd6 Optimize tuple_slice() and make further improvements to list_slice()
Raymond Hettinger <python@rcn.com>
parents: 30682
diff changeset
339 dest = np->ob_item;
d34e7eaf4cd6 Optimize tuple_slice() and make further improvements to list_slice()
Raymond Hettinger <python@rcn.com>
parents: 30682
diff changeset
340 for (i = 0; i < len; i++) {
d34e7eaf4cd6 Optimize tuple_slice() and make further improvements to list_slice()
Raymond Hettinger <python@rcn.com>
parents: 30682
diff changeset
341 PyObject *v = src[i];
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 4733
diff changeset
342 Py_INCREF(v);
31623
d34e7eaf4cd6 Optimize tuple_slice() and make further improvements to list_slice()
Raymond Hettinger <python@rcn.com>
parents: 30682
diff changeset
343 dest[i] = v;
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
344 }
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 4733
diff changeset
345 return (PyObject *)np;
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
346 }
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
347
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 4733
diff changeset
348 PyObject *
13459
0f95c93f200b ANSI-fication of the sources.
Fred Drake <fdrake@acm.org>
parents: 13265
diff changeset
349 PyTuple_GetSlice(PyObject *op, int i, int j)
599
a347933a6d92 New function gettupleslice(v, i, j).
Guido van Rossum <guido@python.org>
parents: 288
diff changeset
350 {
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 4733
diff changeset
351 if (op == NULL || !PyTuple_Check(op)) {
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 4733
diff changeset
352 PyErr_BadInternalCall();
599
a347933a6d92 New function gettupleslice(v, i, j).
Guido van Rossum <guido@python.org>
parents: 288
diff changeset
353 return NULL;
a347933a6d92 New function gettupleslice(v, i, j).
Guido van Rossum <guido@python.org>
parents: 288
diff changeset
354 }
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 4733
diff changeset
355 return tupleslice((PyTupleObject *)op, i, j);
599
a347933a6d92 New function gettupleslice(v, i, j).
Guido van Rossum <guido@python.org>
parents: 288
diff changeset
356 }
a347933a6d92 New function gettupleslice(v, i, j).
Guido van Rossum <guido@python.org>
parents: 288
diff changeset
357
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 4733
diff changeset
358 static PyObject *
13459
0f95c93f200b ANSI-fication of the sources.
Fred Drake <fdrake@acm.org>
parents: 13265
diff changeset
359 tupleconcat(register PyTupleObject *a, register PyObject *bb)
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
360 {
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
361 register int size;
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
362 register int i;
31633
5bd455638c7a Optimize inner loops for subscript, repeat, and concat.
Raymond Hettinger <python@rcn.com>
parents: 31623
diff changeset
363 PyObject **src, **dest;
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 4733
diff changeset
364 PyTupleObject *np;
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 4733
diff changeset
365 if (!PyTuple_Check(bb)) {
12816
4272b368bf69 Michael Hudson <mwh21@cam.ac.uk>:
Fred Drake <fdrake@acm.org>
parents: 12576
diff changeset
366 PyErr_Format(PyExc_TypeError,
12929
2eef636ba1b6 Michael Hudson <mwh21@cam.ac.uk>:
Marc-André Lemburg <mal@egenix.com>
parents: 12925
diff changeset
367 "can only concatenate tuple (not \"%.200s\") to tuple",
12816
4272b368bf69 Michael Hudson <mwh21@cam.ac.uk>:
Fred Drake <fdrake@acm.org>
parents: 12576
diff changeset
368 bb->ob_type->tp_name);
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
369 return NULL;
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
370 }
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 4733
diff changeset
371 #define b ((PyTupleObject *)bb)
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
372 size = a->ob_size + b->ob_size;
25740
70f9026a2b16 Add checks for size overflow on list*n, list+list, tuple+tuple.
Guido van Rossum <guido@python.org>
parents: 25128
diff changeset
373 if (size < 0)
70f9026a2b16 Add checks for size overflow on list*n, list+list, tuple+tuple.
Guido van Rossum <guido@python.org>
parents: 25128
diff changeset
374 return PyErr_NoMemory();
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 4733
diff changeset
375 np = (PyTupleObject *) PyTuple_New(size);
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
376 if (np == NULL) {
288
9b43a983124c printobject now returns an error code
Guido van Rossum <guido@python.org>
parents: 258
diff changeset
377 return NULL;
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
378 }
31633
5bd455638c7a Optimize inner loops for subscript, repeat, and concat.
Raymond Hettinger <python@rcn.com>
parents: 31623
diff changeset
379 src = a->ob_item;
5bd455638c7a Optimize inner loops for subscript, repeat, and concat.
Raymond Hettinger <python@rcn.com>
parents: 31623
diff changeset
380 dest = np->ob_item;
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
381 for (i = 0; i < a->ob_size; i++) {
31633
5bd455638c7a Optimize inner loops for subscript, repeat, and concat.
Raymond Hettinger <python@rcn.com>
parents: 31623
diff changeset
382 PyObject *v = src[i];
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 4733
diff changeset
383 Py_INCREF(v);
31633
5bd455638c7a Optimize inner loops for subscript, repeat, and concat.
Raymond Hettinger <python@rcn.com>
parents: 31623
diff changeset
384 dest[i] = v;
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
385 }
31633
5bd455638c7a Optimize inner loops for subscript, repeat, and concat.
Raymond Hettinger <python@rcn.com>
parents: 31623
diff changeset
386 src = b->ob_item;
5bd455638c7a Optimize inner loops for subscript, repeat, and concat.
Raymond Hettinger <python@rcn.com>
parents: 31623
diff changeset
387 dest = np->ob_item + a->ob_size;
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
388 for (i = 0; i < b->ob_size; i++) {
31633
5bd455638c7a Optimize inner loops for subscript, repeat, and concat.
Raymond Hettinger <python@rcn.com>
parents: 31623
diff changeset
389 PyObject *v = src[i];
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 4733
diff changeset
390 Py_INCREF(v);
31633
5bd455638c7a Optimize inner loops for subscript, repeat, and concat.
Raymond Hettinger <python@rcn.com>
parents: 31623
diff changeset
391 dest[i] = v;
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
392 }
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 4733
diff changeset
393 return (PyObject *)np;
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
394 #undef b
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
395 }
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
396
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 4733
diff changeset
397 static PyObject *
13459
0f95c93f200b ANSI-fication of the sources.
Fred Drake <fdrake@acm.org>
parents: 13265
diff changeset
398 tuplerepeat(PyTupleObject *a, int n)
258
3b93bcea10f6 Finally implement tuple*number. From now on all sequence types
Guido van Rossum <guido@python.org>
parents: 145
diff changeset
399 {
3b93bcea10f6 Finally implement tuple*number. From now on all sequence types
Guido van Rossum <guido@python.org>
parents: 145
diff changeset
400 int i, j;
3b93bcea10f6 Finally implement tuple*number. From now on all sequence types
Guido van Rossum <guido@python.org>
parents: 145
diff changeset
401 int size;
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 4733
diff changeset
402 PyTupleObject *np;
31633
5bd455638c7a Optimize inner loops for subscript, repeat, and concat.
Raymond Hettinger <python@rcn.com>
parents: 31623
diff changeset
403 PyObject **p, **items;
258
3b93bcea10f6 Finally implement tuple*number. From now on all sequence types
Guido van Rossum <guido@python.org>
parents: 145
diff changeset
404 if (n < 0)
3b93bcea10f6 Finally implement tuple*number. From now on all sequence types
Guido van Rossum <guido@python.org>
parents: 145
diff changeset
405 n = 0;
11127
9a20038f0b99 Appropriate overflow checks so that things like sys.maxint*(1,) can't
Guido van Rossum <guido@python.org>
parents: 9632
diff changeset
406 if (a->ob_size == 0 || n == 1) {
19872
51363348dcfa The endless 460020 bug.
Tim Peters <tim.peters@gmail.com>
parents: 19657
diff changeset
407 if (PyTuple_CheckExact(a)) {
51363348dcfa The endless 460020 bug.
Tim Peters <tim.peters@gmail.com>
parents: 19657
diff changeset
408 /* Since tuples are immutable, we can return a shared
51363348dcfa The endless 460020 bug.
Tim Peters <tim.peters@gmail.com>
parents: 19657
diff changeset
409 copy in this case */
51363348dcfa The endless 460020 bug.
Tim Peters <tim.peters@gmail.com>
parents: 19657
diff changeset
410 Py_INCREF(a);
51363348dcfa The endless 460020 bug.
Tim Peters <tim.peters@gmail.com>
parents: 19657
diff changeset
411 return (PyObject *)a;
51363348dcfa The endless 460020 bug.
Tim Peters <tim.peters@gmail.com>
parents: 19657
diff changeset
412 }
51363348dcfa The endless 460020 bug.
Tim Peters <tim.peters@gmail.com>
parents: 19657
diff changeset
413 if (a->ob_size == 0)
51363348dcfa The endless 460020 bug.
Tim Peters <tim.peters@gmail.com>
parents: 19657
diff changeset
414 return PyTuple_New(0);
258
3b93bcea10f6 Finally implement tuple*number. From now on all sequence types
Guido van Rossum <guido@python.org>
parents: 145
diff changeset
415 }
3b93bcea10f6 Finally implement tuple*number. From now on all sequence types
Guido van Rossum <guido@python.org>
parents: 145
diff changeset
416 size = a->ob_size * n;
11128
a4b7242a4b74 Mark Favas was quick to note that the last checkin divides by zero
Guido van Rossum <guido@python.org>
parents: 11127
diff changeset
417 if (size/a->ob_size != n)
11127
9a20038f0b99 Appropriate overflow checks so that things like sys.maxint*(1,) can't
Guido van Rossum <guido@python.org>
parents: 9632
diff changeset
418 return PyErr_NoMemory();
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 4733
diff changeset
419 np = (PyTupleObject *) PyTuple_New(size);
258
3b93bcea10f6 Finally implement tuple*number. From now on all sequence types
Guido van Rossum <guido@python.org>
parents: 145
diff changeset
420 if (np == NULL)
3b93bcea10f6 Finally implement tuple*number. From now on all sequence types
Guido van Rossum <guido@python.org>
parents: 145
diff changeset
421 return NULL;
3b93bcea10f6 Finally implement tuple*number. From now on all sequence types
Guido van Rossum <guido@python.org>
parents: 145
diff changeset
422 p = np->ob_item;
31633
5bd455638c7a Optimize inner loops for subscript, repeat, and concat.
Raymond Hettinger <python@rcn.com>
parents: 31623
diff changeset
423 items = a->ob_item;
258
3b93bcea10f6 Finally implement tuple*number. From now on all sequence types
Guido van Rossum <guido@python.org>
parents: 145
diff changeset
424 for (i = 0; i < n; i++) {
3b93bcea10f6 Finally implement tuple*number. From now on all sequence types
Guido van Rossum <guido@python.org>
parents: 145
diff changeset
425 for (j = 0; j < a->ob_size; j++) {
31633
5bd455638c7a Optimize inner loops for subscript, repeat, and concat.
Raymond Hettinger <python@rcn.com>
parents: 31623
diff changeset
426 *p = items[j];
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 4733
diff changeset
427 Py_INCREF(*p);
258
3b93bcea10f6 Finally implement tuple*number. From now on all sequence types
Guido van Rossum <guido@python.org>
parents: 145
diff changeset
428 p++;
3b93bcea10f6 Finally implement tuple*number. From now on all sequence types
Guido van Rossum <guido@python.org>
parents: 145
diff changeset
429 }
3b93bcea10f6 Finally implement tuple*number. From now on all sequence types
Guido van Rossum <guido@python.org>
parents: 145
diff changeset
430 }
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 4733
diff changeset
431 return (PyObject *) np;
258
3b93bcea10f6 Finally implement tuple*number. From now on all sequence types
Guido van Rossum <guido@python.org>
parents: 145
diff changeset
432 }
3b93bcea10f6 Finally implement tuple*number. From now on all sequence types
Guido van Rossum <guido@python.org>
parents: 145
diff changeset
433
12990
e615596c5c47 Round 1 of Neil Schemenauer's GC patches:
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 12929
diff changeset
434 static int
e615596c5c47 Round 1 of Neil Schemenauer's GC patches:
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 12929
diff changeset
435 tupletraverse(PyTupleObject *o, visitproc visit, void *arg)
e615596c5c47 Round 1 of Neil Schemenauer's GC patches:
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 12929
diff changeset
436 {
e615596c5c47 Round 1 of Neil Schemenauer's GC patches:
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 12929
diff changeset
437 int i, err;
e615596c5c47 Round 1 of Neil Schemenauer's GC patches:
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 12929
diff changeset
438 PyObject *x;
e615596c5c47 Round 1 of Neil Schemenauer's GC patches:
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 12929
diff changeset
439
e615596c5c47 Round 1 of Neil Schemenauer's GC patches:
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 12929
diff changeset
440 for (i = o->ob_size; --i >= 0; ) {
e615596c5c47 Round 1 of Neil Schemenauer's GC patches:
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 12929
diff changeset
441 x = o->ob_item[i];
e615596c5c47 Round 1 of Neil Schemenauer's GC patches:
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 12929
diff changeset
442 if (x != NULL) {
e615596c5c47 Round 1 of Neil Schemenauer's GC patches:
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 12929
diff changeset
443 err = visit(x, arg);
e615596c5c47 Round 1 of Neil Schemenauer's GC patches:
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 12929
diff changeset
444 if (err)
e615596c5c47 Round 1 of Neil Schemenauer's GC patches:
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 12929
diff changeset
445 return err;
e615596c5c47 Round 1 of Neil Schemenauer's GC patches:
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 12929
diff changeset
446 }
e615596c5c47 Round 1 of Neil Schemenauer's GC patches:
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 12929
diff changeset
447 }
e615596c5c47 Round 1 of Neil Schemenauer's GC patches:
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 12929
diff changeset
448 return 0;
e615596c5c47 Round 1 of Neil Schemenauer's GC patches:
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 12929
diff changeset
449 }
e615596c5c47 Round 1 of Neil Schemenauer's GC patches:
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 12929
diff changeset
450
15973
72139263f8a7 Same treatment as listobject.c:
Guido van Rossum <guido@python.org>
parents: 15037
diff changeset
451 static PyObject *
72139263f8a7 Same treatment as listobject.c:
Guido van Rossum <guido@python.org>
parents: 15037
diff changeset
452 tuplerichcompare(PyObject *v, PyObject *w, int op)
72139263f8a7 Same treatment as listobject.c:
Guido van Rossum <guido@python.org>
parents: 15037
diff changeset
453 {
72139263f8a7 Same treatment as listobject.c:
Guido van Rossum <guido@python.org>
parents: 15037
diff changeset
454 PyTupleObject *vt, *wt;
72139263f8a7 Same treatment as listobject.c:
Guido van Rossum <guido@python.org>
parents: 15037
diff changeset
455 int i;
17841
2b5a9bff1b11 Speed tuple comparisons in two ways:
Tim Peters <tim.peters@gmail.com>
parents: 15973
diff changeset
456 int vlen, wlen;
15973
72139263f8a7 Same treatment as listobject.c:
Guido van Rossum <guido@python.org>
parents: 15037
diff changeset
457
72139263f8a7 Same treatment as listobject.c:
Guido van Rossum <guido@python.org>
parents: 15037
diff changeset
458 if (!PyTuple_Check(v) || !PyTuple_Check(w)) {
72139263f8a7 Same treatment as listobject.c:
Guido van Rossum <guido@python.org>
parents: 15037
diff changeset
459 Py_INCREF(Py_NotImplemented);
72139263f8a7 Same treatment as listobject.c:
Guido van Rossum <guido@python.org>
parents: 15037
diff changeset
460 return Py_NotImplemented;
72139263f8a7 Same treatment as listobject.c:
Guido van Rossum <guido@python.org>
parents: 15037
diff changeset
461 }
72139263f8a7 Same treatment as listobject.c:
Guido van Rossum <guido@python.org>
parents: 15037
diff changeset
462
72139263f8a7 Same treatment as listobject.c:
Guido van Rossum <guido@python.org>
parents: 15037
diff changeset
463 vt = (PyTupleObject *)v;
72139263f8a7 Same treatment as listobject.c:
Guido van Rossum <guido@python.org>
parents: 15037
diff changeset
464 wt = (PyTupleObject *)w;
72139263f8a7 Same treatment as listobject.c:
Guido van Rossum <guido@python.org>
parents: 15037
diff changeset
465
17841
2b5a9bff1b11 Speed tuple comparisons in two ways:
Tim Peters <tim.peters@gmail.com>
parents: 15973
diff changeset
466 vlen = vt->ob_size;
2b5a9bff1b11 Speed tuple comparisons in two ways:
Tim Peters <tim.peters@gmail.com>
parents: 15973
diff changeset
467 wlen = wt->ob_size;
15973
72139263f8a7 Same treatment as listobject.c:
Guido van Rossum <guido@python.org>
parents: 15037
diff changeset
468
17841
2b5a9bff1b11 Speed tuple comparisons in two ways:
Tim Peters <tim.peters@gmail.com>
parents: 15973
diff changeset
469 /* Note: the corresponding code for lists has an "early out" test
2b5a9bff1b11 Speed tuple comparisons in two ways:
Tim Peters <tim.peters@gmail.com>
parents: 15973
diff changeset
470 * here when op is EQ or NE and the lengths differ. That pays there,
2b5a9bff1b11 Speed tuple comparisons in two ways:
Tim Peters <tim.peters@gmail.com>
parents: 15973
diff changeset
471 * but Tim was unable to find any real code where EQ/NE tuple
2b5a9bff1b11 Speed tuple comparisons in two ways:
Tim Peters <tim.peters@gmail.com>
parents: 15973
diff changeset
472 * compares don't have the same length, so testing for it here would
2b5a9bff1b11 Speed tuple comparisons in two ways:
Tim Peters <tim.peters@gmail.com>
parents: 15973
diff changeset
473 * have cost without benefit.
2b5a9bff1b11 Speed tuple comparisons in two ways:
Tim Peters <tim.peters@gmail.com>
parents: 15973
diff changeset
474 */
2b5a9bff1b11 Speed tuple comparisons in two ways:
Tim Peters <tim.peters@gmail.com>
parents: 15973
diff changeset
475
2b5a9bff1b11 Speed tuple comparisons in two ways:
Tim Peters <tim.peters@gmail.com>
parents: 15973
diff changeset
476 /* Search for the first index where items are different.
2b5a9bff1b11 Speed tuple comparisons in two ways:
Tim Peters <tim.peters@gmail.com>
parents: 15973
diff changeset
477 * Note that because tuples are immutable, it's safe to reuse
2b5a9bff1b11 Speed tuple comparisons in two ways:
Tim Peters <tim.peters@gmail.com>
parents: 15973
diff changeset
478 * vlen and wlen across the comparison calls.
2b5a9bff1b11 Speed tuple comparisons in two ways:
Tim Peters <tim.peters@gmail.com>
parents: 15973
diff changeset
479 */
2b5a9bff1b11 Speed tuple comparisons in two ways:
Tim Peters <tim.peters@gmail.com>
parents: 15973
diff changeset
480 for (i = 0; i < vlen && i < wlen; i++) {
15973
72139263f8a7 Same treatment as listobject.c:
Guido van Rossum <guido@python.org>
parents: 15037
diff changeset
481 int k = PyObject_RichCompareBool(vt->ob_item[i],
72139263f8a7 Same treatment as listobject.c:
Guido van Rossum <guido@python.org>
parents: 15037
diff changeset
482 wt->ob_item[i], Py_EQ);
72139263f8a7 Same treatment as listobject.c:
Guido van Rossum <guido@python.org>
parents: 15037
diff changeset
483 if (k < 0)
72139263f8a7 Same treatment as listobject.c:
Guido van Rossum <guido@python.org>
parents: 15037
diff changeset
484 return NULL;
72139263f8a7 Same treatment as listobject.c:
Guido van Rossum <guido@python.org>
parents: 15037
diff changeset
485 if (!k)
72139263f8a7 Same treatment as listobject.c:
Guido van Rossum <guido@python.org>
parents: 15037
diff changeset
486 break;
72139263f8a7 Same treatment as listobject.c:
Guido van Rossum <guido@python.org>
parents: 15037
diff changeset
487 }
72139263f8a7 Same treatment as listobject.c:
Guido van Rossum <guido@python.org>
parents: 15037
diff changeset
488
17841
2b5a9bff1b11 Speed tuple comparisons in two ways:
Tim Peters <tim.peters@gmail.com>
parents: 15973
diff changeset
489 if (i >= vlen || i >= wlen) {
15973
72139263f8a7 Same treatment as listobject.c:
Guido van Rossum <guido@python.org>
parents: 15037
diff changeset
490 /* No more items to compare -- compare sizes */
72139263f8a7 Same treatment as listobject.c:
Guido van Rossum <guido@python.org>
parents: 15037
diff changeset
491 int cmp;
72139263f8a7 Same treatment as listobject.c:
Guido van Rossum <guido@python.org>
parents: 15037
diff changeset
492 PyObject *res;
72139263f8a7 Same treatment as listobject.c:
Guido van Rossum <guido@python.org>
parents: 15037
diff changeset
493 switch (op) {
17841
2b5a9bff1b11 Speed tuple comparisons in two ways:
Tim Peters <tim.peters@gmail.com>
parents: 15973
diff changeset
494 case Py_LT: cmp = vlen < wlen; break;
2b5a9bff1b11 Speed tuple comparisons in two ways:
Tim Peters <tim.peters@gmail.com>
parents: 15973
diff changeset
495 case Py_LE: cmp = vlen <= wlen; break;
2b5a9bff1b11 Speed tuple comparisons in two ways:
Tim Peters <tim.peters@gmail.com>
parents: 15973
diff changeset
496 case Py_EQ: cmp = vlen == wlen; break;
2b5a9bff1b11 Speed tuple comparisons in two ways:
Tim Peters <tim.peters@gmail.com>
parents: 15973
diff changeset
497 case Py_NE: cmp = vlen != wlen; break;
2b5a9bff1b11 Speed tuple comparisons in two ways:
Tim Peters <tim.peters@gmail.com>
parents: 15973
diff changeset
498 case Py_GT: cmp = vlen > wlen; break;
2b5a9bff1b11 Speed tuple comparisons in two ways:
Tim Peters <tim.peters@gmail.com>
parents: 15973
diff changeset
499 case Py_GE: cmp = vlen >= wlen; break;
15973
72139263f8a7 Same treatment as listobject.c:
Guido van Rossum <guido@python.org>
parents: 15037
diff changeset
500 default: return NULL; /* cannot happen */
72139263f8a7 Same treatment as listobject.c:
Guido van Rossum <guido@python.org>
parents: 15037
diff changeset
501 }
72139263f8a7 Same treatment as listobject.c:
Guido van Rossum <guido@python.org>
parents: 15037
diff changeset
502 if (cmp)
72139263f8a7 Same treatment as listobject.c:
Guido van Rossum <guido@python.org>
parents: 15037
diff changeset
503 res = Py_True;
72139263f8a7 Same treatment as listobject.c:
Guido van Rossum <guido@python.org>
parents: 15037
diff changeset
504 else
72139263f8a7 Same treatment as listobject.c:
Guido van Rossum <guido@python.org>
parents: 15037
diff changeset
505 res = Py_False;
72139263f8a7 Same treatment as listobject.c:
Guido van Rossum <guido@python.org>
parents: 15037
diff changeset
506 Py_INCREF(res);
72139263f8a7 Same treatment as listobject.c:
Guido van Rossum <guido@python.org>
parents: 15037
diff changeset
507 return res;
72139263f8a7 Same treatment as listobject.c:
Guido van Rossum <guido@python.org>
parents: 15037
diff changeset
508 }
72139263f8a7 Same treatment as listobject.c:
Guido van Rossum <guido@python.org>
parents: 15037
diff changeset
509
72139263f8a7 Same treatment as listobject.c:
Guido van Rossum <guido@python.org>
parents: 15037
diff changeset
510 /* We have an item that differs -- shortcuts for EQ/NE */
72139263f8a7 Same treatment as listobject.c:
Guido van Rossum <guido@python.org>
parents: 15037
diff changeset
511 if (op == Py_EQ) {
72139263f8a7 Same treatment as listobject.c:
Guido van Rossum <guido@python.org>
parents: 15037
diff changeset
512 Py_INCREF(Py_False);
72139263f8a7 Same treatment as listobject.c:
Guido van Rossum <guido@python.org>
parents: 15037
diff changeset
513 return Py_False;
72139263f8a7 Same treatment as listobject.c:
Guido van Rossum <guido@python.org>
parents: 15037
diff changeset
514 }
72139263f8a7 Same treatment as listobject.c:
Guido van Rossum <guido@python.org>
parents: 15037
diff changeset
515 if (op == Py_NE) {
72139263f8a7 Same treatment as listobject.c:
Guido van Rossum <guido@python.org>
parents: 15037
diff changeset
516 Py_INCREF(Py_True);
72139263f8a7 Same treatment as listobject.c:
Guido van Rossum <guido@python.org>
parents: 15037
diff changeset
517 return Py_True;
72139263f8a7 Same treatment as listobject.c:
Guido van Rossum <guido@python.org>
parents: 15037
diff changeset
518 }
72139263f8a7 Same treatment as listobject.c:
Guido van Rossum <guido@python.org>
parents: 15037
diff changeset
519
72139263f8a7 Same treatment as listobject.c:
Guido van Rossum <guido@python.org>
parents: 15037
diff changeset
520 /* Compare the final item again using the proper operator */
72139263f8a7 Same treatment as listobject.c:
Guido van Rossum <guido@python.org>
parents: 15037
diff changeset
521 return PyObject_RichCompare(vt->ob_item[i], wt->ob_item[i], op);
72139263f8a7 Same treatment as listobject.c:
Guido van Rossum <guido@python.org>
parents: 15037
diff changeset
522 }
72139263f8a7 Same treatment as listobject.c:
Guido van Rossum <guido@python.org>
parents: 15037
diff changeset
523
24280
1598a1e473e2 staticforward bites the dust.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 24184
diff changeset
524 static PyObject *
19592
85765e61deb0 Make str and tuple types subclassable.
Guido van Rossum <guido@python.org>
parents: 19581
diff changeset
525 tuple_subtype_new(PyTypeObject *type, PyObject *args, PyObject *kwds);
85765e61deb0 Make str and tuple types subclassable.
Guido van Rossum <guido@python.org>
parents: 19581
diff changeset
526
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18129
diff changeset
527 static PyObject *
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18129
diff changeset
528 tuple_new(PyTypeObject *type, PyObject *args, PyObject *kwds)
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18129
diff changeset
529 {
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18129
diff changeset
530 PyObject *arg = NULL;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18129
diff changeset
531 static char *kwlist[] = {"sequence", 0};
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18129
diff changeset
532
19592
85765e61deb0 Make str and tuple types subclassable.
Guido van Rossum <guido@python.org>
parents: 19581
diff changeset
533 if (type != &PyTuple_Type)
85765e61deb0 Make str and tuple types subclassable.
Guido van Rossum <guido@python.org>
parents: 19581
diff changeset
534 return tuple_subtype_new(type, args, kwds);
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18129
diff changeset
535 if (!PyArg_ParseTupleAndKeywords(args, kwds, "|O:tuple", kwlist, &arg))
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18129
diff changeset
536 return NULL;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18129
diff changeset
537
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18129
diff changeset
538 if (arg == NULL)
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18129
diff changeset
539 return PyTuple_New(0);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18129
diff changeset
540 else
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18129
diff changeset
541 return PySequence_Tuple(arg);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18129
diff changeset
542 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18129
diff changeset
543
19592
85765e61deb0 Make str and tuple types subclassable.
Guido van Rossum <guido@python.org>
parents: 19581
diff changeset
544 static PyObject *
85765e61deb0 Make str and tuple types subclassable.
Guido van Rossum <guido@python.org>
parents: 19581
diff changeset
545 tuple_subtype_new(PyTypeObject *type, PyObject *args, PyObject *kwds)
85765e61deb0 Make str and tuple types subclassable.
Guido van Rossum <guido@python.org>
parents: 19581
diff changeset
546 {
85765e61deb0 Make str and tuple types subclassable.
Guido van Rossum <guido@python.org>
parents: 19581
diff changeset
547 PyObject *tmp, *new, *item;
85765e61deb0 Make str and tuple types subclassable.
Guido van Rossum <guido@python.org>
parents: 19581
diff changeset
548 int i, n;
85765e61deb0 Make str and tuple types subclassable.
Guido van Rossum <guido@python.org>
parents: 19581
diff changeset
549
85765e61deb0 Make str and tuple types subclassable.
Guido van Rossum <guido@python.org>
parents: 19581
diff changeset
550 assert(PyType_IsSubtype(type, &PyTuple_Type));
85765e61deb0 Make str and tuple types subclassable.
Guido van Rossum <guido@python.org>
parents: 19581
diff changeset
551 tmp = tuple_new(&PyTuple_Type, args, kwds);
85765e61deb0 Make str and tuple types subclassable.
Guido van Rossum <guido@python.org>
parents: 19581
diff changeset
552 if (tmp == NULL)
85765e61deb0 Make str and tuple types subclassable.
Guido van Rossum <guido@python.org>
parents: 19581
diff changeset
553 return NULL;
85765e61deb0 Make str and tuple types subclassable.
Guido van Rossum <guido@python.org>
parents: 19581
diff changeset
554 assert(PyTuple_Check(tmp));
85765e61deb0 Make str and tuple types subclassable.
Guido van Rossum <guido@python.org>
parents: 19581
diff changeset
555 new = type->tp_alloc(type, n = PyTuple_GET_SIZE(tmp));
85765e61deb0 Make str and tuple types subclassable.
Guido van Rossum <guido@python.org>
parents: 19581
diff changeset
556 if (new == NULL)
85765e61deb0 Make str and tuple types subclassable.
Guido van Rossum <guido@python.org>
parents: 19581
diff changeset
557 return NULL;
85765e61deb0 Make str and tuple types subclassable.
Guido van Rossum <guido@python.org>
parents: 19581
diff changeset
558 for (i = 0; i < n; i++) {
85765e61deb0 Make str and tuple types subclassable.
Guido van Rossum <guido@python.org>
parents: 19581
diff changeset
559 item = PyTuple_GET_ITEM(tmp, i);
85765e61deb0 Make str and tuple types subclassable.
Guido van Rossum <guido@python.org>
parents: 19581
diff changeset
560 Py_INCREF(item);
85765e61deb0 Make str and tuple types subclassable.
Guido van Rossum <guido@python.org>
parents: 19581
diff changeset
561 PyTuple_SET_ITEM(new, i, item);
85765e61deb0 Make str and tuple types subclassable.
Guido van Rossum <guido@python.org>
parents: 19581
diff changeset
562 }
85765e61deb0 Make str and tuple types subclassable.
Guido van Rossum <guido@python.org>
parents: 19581
diff changeset
563 Py_DECREF(tmp);
85765e61deb0 Make str and tuple types subclassable.
Guido van Rossum <guido@python.org>
parents: 19581
diff changeset
564 return new;
85765e61deb0 Make str and tuple types subclassable.
Guido van Rossum <guido@python.org>
parents: 19581
diff changeset
565 }
85765e61deb0 Make str and tuple types subclassable.
Guido van Rossum <guido@python.org>
parents: 19581
diff changeset
566
23832
ed1ba37a46b7 Patch #568124: Add doc string macros.
Martin v. Löwis <martin@v.loewis.de>
parents: 23778
diff changeset
567 PyDoc_STRVAR(tuple_doc,
19657
937965516b54 Rewrite the tuple() docstring to parallel the list() docstring.
Tim Peters <tim.peters@gmail.com>
parents: 19656
diff changeset
568 "tuple() -> an empty tuple\n"
937965516b54 Rewrite the tuple() docstring to parallel the list() docstring.
Tim Peters <tim.peters@gmail.com>
parents: 19656
diff changeset
569 "tuple(sequence) -> tuple initialized from sequence's items\n"
937965516b54 Rewrite the tuple() docstring to parallel the list() docstring.
Tim Peters <tim.peters@gmail.com>
parents: 19656
diff changeset
570 "\n"
23832
ed1ba37a46b7 Patch #568124: Add doc string macros.
Martin v. Löwis <martin@v.loewis.de>
parents: 23778
diff changeset
571 "If the argument is a tuple, the return value is the same object.");
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18129
diff changeset
572
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 4733
diff changeset
573 static PySequenceMethods tuple_as_sequence = {
15973
72139263f8a7 Same treatment as listobject.c:
Guido van Rossum <guido@python.org>
parents: 15037
diff changeset
574 (inquiry)tuplelength, /* sq_length */
72139263f8a7 Same treatment as listobject.c:
Guido van Rossum <guido@python.org>
parents: 15037
diff changeset
575 (binaryfunc)tupleconcat, /* sq_concat */
72139263f8a7 Same treatment as listobject.c:
Guido van Rossum <guido@python.org>
parents: 15037
diff changeset
576 (intargfunc)tuplerepeat, /* sq_repeat */
72139263f8a7 Same treatment as listobject.c:
Guido van Rossum <guido@python.org>
parents: 15037
diff changeset
577 (intargfunc)tupleitem, /* sq_item */
72139263f8a7 Same treatment as listobject.c:
Guido van Rossum <guido@python.org>
parents: 15037
diff changeset
578 (intintargfunc)tupleslice, /* sq_slice */
72139263f8a7 Same treatment as listobject.c:
Guido van Rossum <guido@python.org>
parents: 15037
diff changeset
579 0, /* sq_ass_item */
72139263f8a7 Same treatment as listobject.c:
Guido van Rossum <guido@python.org>
parents: 15037
diff changeset
580 0, /* sq_ass_slice */
72139263f8a7 Same treatment as listobject.c:
Guido van Rossum <guido@python.org>
parents: 15037
diff changeset
581 (objobjproc)tuplecontains, /* sq_contains */
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
582 };
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
583
23778
245224d1b8c9 This is my nearly two year old patch
Michael W. Hudson <mwh@python.net>
parents: 22979
diff changeset
584 static PyObject*
245224d1b8c9 This is my nearly two year old patch
Michael W. Hudson <mwh@python.net>
parents: 22979
diff changeset
585 tuplesubscript(PyTupleObject* self, PyObject* item)
245224d1b8c9 This is my nearly two year old patch
Michael W. Hudson <mwh@python.net>
parents: 22979
diff changeset
586 {
245224d1b8c9 This is my nearly two year old patch
Michael W. Hudson <mwh@python.net>
parents: 22979
diff changeset
587 if (PyInt_Check(item)) {
245224d1b8c9 This is my nearly two year old patch
Michael W. Hudson <mwh@python.net>
parents: 22979
diff changeset
588 long i = PyInt_AS_LONG(item);
245224d1b8c9 This is my nearly two year old patch
Michael W. Hudson <mwh@python.net>
parents: 22979
diff changeset
589 if (i < 0)
245224d1b8c9 This is my nearly two year old patch
Michael W. Hudson <mwh@python.net>
parents: 22979
diff changeset
590 i += PyTuple_GET_SIZE(self);
245224d1b8c9 This is my nearly two year old patch
Michael W. Hudson <mwh@python.net>
parents: 22979
diff changeset
591 return tupleitem(self, i);
245224d1b8c9 This is my nearly two year old patch
Michael W. Hudson <mwh@python.net>
parents: 22979
diff changeset
592 }
245224d1b8c9 This is my nearly two year old patch
Michael W. Hudson <mwh@python.net>
parents: 22979
diff changeset
593 else if (PyLong_Check(item)) {
245224d1b8c9 This is my nearly two year old patch
Michael W. Hudson <mwh@python.net>
parents: 22979
diff changeset
594 long i = PyLong_AsLong(item);
245224d1b8c9 This is my nearly two year old patch
Michael W. Hudson <mwh@python.net>
parents: 22979
diff changeset
595 if (i == -1 && PyErr_Occurred())
245224d1b8c9 This is my nearly two year old patch
Michael W. Hudson <mwh@python.net>
parents: 22979
diff changeset
596 return NULL;
245224d1b8c9 This is my nearly two year old patch
Michael W. Hudson <mwh@python.net>
parents: 22979
diff changeset
597 if (i < 0)
245224d1b8c9 This is my nearly two year old patch
Michael W. Hudson <mwh@python.net>
parents: 22979
diff changeset
598 i += PyTuple_GET_SIZE(self);
245224d1b8c9 This is my nearly two year old patch
Michael W. Hudson <mwh@python.net>
parents: 22979
diff changeset
599 return tupleitem(self, i);
245224d1b8c9 This is my nearly two year old patch
Michael W. Hudson <mwh@python.net>
parents: 22979
diff changeset
600 }
245224d1b8c9 This is my nearly two year old patch
Michael W. Hudson <mwh@python.net>
parents: 22979
diff changeset
601 else if (PySlice_Check(item)) {
245224d1b8c9 This is my nearly two year old patch
Michael W. Hudson <mwh@python.net>
parents: 22979
diff changeset
602 int start, stop, step, slicelength, cur, i;
245224d1b8c9 This is my nearly two year old patch
Michael W. Hudson <mwh@python.net>
parents: 22979
diff changeset
603 PyObject* result;
245224d1b8c9 This is my nearly two year old patch
Michael W. Hudson <mwh@python.net>
parents: 22979
diff changeset
604 PyObject* it;
31633
5bd455638c7a Optimize inner loops for subscript, repeat, and concat.
Raymond Hettinger <python@rcn.com>
parents: 31623
diff changeset
605 PyObject **src, **dest;
23778
245224d1b8c9 This is my nearly two year old patch
Michael W. Hudson <mwh@python.net>
parents: 22979
diff changeset
606
245224d1b8c9 This is my nearly two year old patch
Michael W. Hudson <mwh@python.net>
parents: 22979
diff changeset
607 if (PySlice_GetIndicesEx((PySliceObject*)item,
245224d1b8c9 This is my nearly two year old patch
Michael W. Hudson <mwh@python.net>
parents: 22979
diff changeset
608 PyTuple_GET_SIZE(self),
245224d1b8c9 This is my nearly two year old patch
Michael W. Hudson <mwh@python.net>
parents: 22979
diff changeset
609 &start, &stop, &step, &slicelength) < 0) {
245224d1b8c9 This is my nearly two year old patch
Michael W. Hudson <mwh@python.net>
parents: 22979
diff changeset
610 return NULL;
245224d1b8c9 This is my nearly two year old patch
Michael W. Hudson <mwh@python.net>
parents: 22979
diff changeset
611 }
245224d1b8c9 This is my nearly two year old patch
Michael W. Hudson <mwh@python.net>
parents: 22979
diff changeset
612
245224d1b8c9 This is my nearly two year old patch
Michael W. Hudson <mwh@python.net>
parents: 22979
diff changeset
613 if (slicelength <= 0) {
245224d1b8c9 This is my nearly two year old patch
Michael W. Hudson <mwh@python.net>
parents: 22979
diff changeset
614 return PyTuple_New(0);
245224d1b8c9 This is my nearly two year old patch
Michael W. Hudson <mwh@python.net>
parents: 22979
diff changeset
615 }
245224d1b8c9 This is my nearly two year old patch
Michael W. Hudson <mwh@python.net>
parents: 22979
diff changeset
616 else {
245224d1b8c9 This is my nearly two year old patch
Michael W. Hudson <mwh@python.net>
parents: 22979
diff changeset
617 result = PyTuple_New(slicelength);
245224d1b8c9 This is my nearly two year old patch
Michael W. Hudson <mwh@python.net>
parents: 22979
diff changeset
618
31633
5bd455638c7a Optimize inner loops for subscript, repeat, and concat.
Raymond Hettinger <python@rcn.com>
parents: 31623
diff changeset
619 src = self->ob_item;
5bd455638c7a Optimize inner loops for subscript, repeat, and concat.
Raymond Hettinger <python@rcn.com>
parents: 31623
diff changeset
620 dest = ((PyTupleObject *)result)->ob_item;
23778
245224d1b8c9 This is my nearly two year old patch
Michael W. Hudson <mwh@python.net>
parents: 22979
diff changeset
621 for (cur = start, i = 0; i < slicelength;
245224d1b8c9 This is my nearly two year old patch
Michael W. Hudson <mwh@python.net>
parents: 22979
diff changeset
622 cur += step, i++) {
31633
5bd455638c7a Optimize inner loops for subscript, repeat, and concat.
Raymond Hettinger <python@rcn.com>
parents: 31623
diff changeset
623 it = src[cur];
23778
245224d1b8c9 This is my nearly two year old patch
Michael W. Hudson <mwh@python.net>
parents: 22979
diff changeset
624 Py_INCREF(it);
31633
5bd455638c7a Optimize inner loops for subscript, repeat, and concat.
Raymond Hettinger <python@rcn.com>
parents: 31623
diff changeset
625 dest[i] = it;
23778
245224d1b8c9 This is my nearly two year old patch
Michael W. Hudson <mwh@python.net>
parents: 22979
diff changeset
626 }
245224d1b8c9 This is my nearly two year old patch
Michael W. Hudson <mwh@python.net>
parents: 22979
diff changeset
627
245224d1b8c9 This is my nearly two year old patch
Michael W. Hudson <mwh@python.net>
parents: 22979
diff changeset
628 return result;
245224d1b8c9 This is my nearly two year old patch
Michael W. Hudson <mwh@python.net>
parents: 22979
diff changeset
629 }
245224d1b8c9 This is my nearly two year old patch
Michael W. Hudson <mwh@python.net>
parents: 22979
diff changeset
630 }
245224d1b8c9 This is my nearly two year old patch
Michael W. Hudson <mwh@python.net>
parents: 22979
diff changeset
631 else {
245224d1b8c9 This is my nearly two year old patch
Michael W. Hudson <mwh@python.net>
parents: 22979
diff changeset
632 PyErr_SetString(PyExc_TypeError,
245224d1b8c9 This is my nearly two year old patch
Michael W. Hudson <mwh@python.net>
parents: 22979
diff changeset
633 "tuple indices must be integers");
245224d1b8c9 This is my nearly two year old patch
Michael W. Hudson <mwh@python.net>
parents: 22979
diff changeset
634 return NULL;
245224d1b8c9 This is my nearly two year old patch
Michael W. Hudson <mwh@python.net>
parents: 22979
diff changeset
635 }
245224d1b8c9 This is my nearly two year old patch
Michael W. Hudson <mwh@python.net>
parents: 22979
diff changeset
636 }
245224d1b8c9 This is my nearly two year old patch
Michael W. Hudson <mwh@python.net>
parents: 22979
diff changeset
637
27521
17bfd5dbc0f1 Implement appropriate __getnewargs__ for all immutable subclassable builtin
Guido van Rossum <guido@python.org>
parents: 25740
diff changeset
638 static PyObject *
17bfd5dbc0f1 Implement appropriate __getnewargs__ for all immutable subclassable builtin
Guido van Rossum <guido@python.org>
parents: 25740
diff changeset
639 tuple_getnewargs(PyTupleObject *v)
17bfd5dbc0f1 Implement appropriate __getnewargs__ for all immutable subclassable builtin
Guido van Rossum <guido@python.org>
parents: 25740
diff changeset
640 {
17bfd5dbc0f1 Implement appropriate __getnewargs__ for all immutable subclassable builtin
Guido van Rossum <guido@python.org>
parents: 25740
diff changeset
641 return Py_BuildValue("(N)", tupleslice(v, 0, v->ob_size));
17bfd5dbc0f1 Implement appropriate __getnewargs__ for all immutable subclassable builtin
Guido van Rossum <guido@python.org>
parents: 25740
diff changeset
642
17bfd5dbc0f1 Implement appropriate __getnewargs__ for all immutable subclassable builtin
Guido van Rossum <guido@python.org>
parents: 25740
diff changeset
643 }
17bfd5dbc0f1 Implement appropriate __getnewargs__ for all immutable subclassable builtin
Guido van Rossum <guido@python.org>
parents: 25740
diff changeset
644
17bfd5dbc0f1 Implement appropriate __getnewargs__ for all immutable subclassable builtin
Guido van Rossum <guido@python.org>
parents: 25740
diff changeset
645 static PyMethodDef tuple_methods[] = {
17bfd5dbc0f1 Implement appropriate __getnewargs__ for all immutable subclassable builtin
Guido van Rossum <guido@python.org>
parents: 25740
diff changeset
646 {"__getnewargs__", (PyCFunction)tuple_getnewargs, METH_NOARGS},
17bfd5dbc0f1 Implement appropriate __getnewargs__ for all immutable subclassable builtin
Guido van Rossum <guido@python.org>
parents: 25740
diff changeset
647 {NULL, NULL} /* sentinel */
17bfd5dbc0f1 Implement appropriate __getnewargs__ for all immutable subclassable builtin
Guido van Rossum <guido@python.org>
parents: 25740
diff changeset
648 };
17bfd5dbc0f1 Implement appropriate __getnewargs__ for all immutable subclassable builtin
Guido van Rossum <guido@python.org>
parents: 25740
diff changeset
649
23778
245224d1b8c9 This is my nearly two year old patch
Michael W. Hudson <mwh@python.net>
parents: 22979
diff changeset
650 static PyMappingMethods tuple_as_mapping = {
245224d1b8c9 This is my nearly two year old patch
Michael W. Hudson <mwh@python.net>
parents: 22979
diff changeset
651 (inquiry)tuplelength,
245224d1b8c9 This is my nearly two year old patch
Michael W. Hudson <mwh@python.net>
parents: 22979
diff changeset
652 (binaryfunc)tuplesubscript,
245224d1b8c9 This is my nearly two year old patch
Michael W. Hudson <mwh@python.net>
parents: 22979
diff changeset
653 0
245224d1b8c9 This is my nearly two year old patch
Michael W. Hudson <mwh@python.net>
parents: 22979
diff changeset
654 };
245224d1b8c9 This is my nearly two year old patch
Michael W. Hudson <mwh@python.net>
parents: 22979
diff changeset
655
24683
567704bfa595 Moved special case for tuples from iterobject.c to
Raymond Hettinger <python@rcn.com>
parents: 24280
diff changeset
656 static PyObject *tuple_iter(PyObject *seq);
567704bfa595 Moved special case for tuples from iterobject.c to
Raymond Hettinger <python@rcn.com>
parents: 24280
diff changeset
657
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 4733
diff changeset
658 PyTypeObject PyTuple_Type = {
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 4733
diff changeset
659 PyObject_HEAD_INIT(&PyType_Type)
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
660 0,
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
661 "tuple",
19581
fd48a55ac364 Use new GC API.
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 18933
diff changeset
662 sizeof(PyTupleObject) - sizeof(PyObject *),
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 4733
diff changeset
663 sizeof(PyObject *),
15973
72139263f8a7 Same treatment as listobject.c:
Guido van Rossum <guido@python.org>
parents: 15037
diff changeset
664 (destructor)tupledealloc, /* tp_dealloc */
72139263f8a7 Same treatment as listobject.c:
Guido van Rossum <guido@python.org>
parents: 15037
diff changeset
665 (printfunc)tupleprint, /* tp_print */
72139263f8a7 Same treatment as listobject.c:
Guido van Rossum <guido@python.org>
parents: 15037
diff changeset
666 0, /* tp_getattr */
72139263f8a7 Same treatment as listobject.c:
Guido van Rossum <guido@python.org>
parents: 15037
diff changeset
667 0, /* tp_setattr */
72139263f8a7 Same treatment as listobject.c:
Guido van Rossum <guido@python.org>
parents: 15037
diff changeset
668 0, /* tp_compare */
72139263f8a7 Same treatment as listobject.c:
Guido van Rossum <guido@python.org>
parents: 15037
diff changeset
669 (reprfunc)tuplerepr, /* tp_repr */
72139263f8a7 Same treatment as listobject.c:
Guido van Rossum <guido@python.org>
parents: 15037
diff changeset
670 0, /* tp_as_number */
72139263f8a7 Same treatment as listobject.c:
Guido van Rossum <guido@python.org>
parents: 15037
diff changeset
671 &tuple_as_sequence, /* tp_as_sequence */
23778
245224d1b8c9 This is my nearly two year old patch
Michael W. Hudson <mwh@python.net>
parents: 22979
diff changeset
672 &tuple_as_mapping, /* tp_as_mapping */
15973
72139263f8a7 Same treatment as listobject.c:
Guido van Rossum <guido@python.org>
parents: 15037
diff changeset
673 (hashfunc)tuplehash, /* tp_hash */
72139263f8a7 Same treatment as listobject.c:
Guido van Rossum <guido@python.org>
parents: 15037
diff changeset
674 0, /* tp_call */
72139263f8a7 Same treatment as listobject.c:
Guido van Rossum <guido@python.org>
parents: 15037
diff changeset
675 0, /* tp_str */
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18129
diff changeset
676 PyObject_GenericGetAttr, /* tp_getattro */
15973
72139263f8a7 Same treatment as listobject.c:
Guido van Rossum <guido@python.org>
parents: 15037
diff changeset
677 0, /* tp_setattro */
72139263f8a7 Same treatment as listobject.c:
Guido van Rossum <guido@python.org>
parents: 15037
diff changeset
678 0, /* tp_as_buffer */
19592
85765e61deb0 Make str and tuple types subclassable.
Guido van Rossum <guido@python.org>
parents: 19581
diff changeset
679 Py_TPFLAGS_DEFAULT | Py_TPFLAGS_HAVE_GC |
85765e61deb0 Make str and tuple types subclassable.
Guido van Rossum <guido@python.org>
parents: 19581
diff changeset
680 Py_TPFLAGS_BASETYPE, /* tp_flags */
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18129
diff changeset
681 tuple_doc, /* tp_doc */
15973
72139263f8a7 Same treatment as listobject.c:
Guido van Rossum <guido@python.org>
parents: 15037
diff changeset
682 (traverseproc)tupletraverse, /* tp_traverse */
72139263f8a7 Same treatment as listobject.c:
Guido van Rossum <guido@python.org>
parents: 15037
diff changeset
683 0, /* tp_clear */
72139263f8a7 Same treatment as listobject.c:
Guido van Rossum <guido@python.org>
parents: 15037
diff changeset
684 tuplerichcompare, /* tp_richcompare */
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18129
diff changeset
685 0, /* tp_weaklistoffset */
24683
567704bfa595 Moved special case for tuples from iterobject.c to
Raymond Hettinger <python@rcn.com>
parents: 24280
diff changeset
686 tuple_iter, /* tp_iter */
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18129
diff changeset
687 0, /* tp_iternext */
27521
17bfd5dbc0f1 Implement appropriate __getnewargs__ for all immutable subclassable builtin
Guido van Rossum <guido@python.org>
parents: 25740
diff changeset
688 tuple_methods, /* tp_methods */
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18129
diff changeset
689 0, /* tp_members */
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18129
diff changeset
690 0, /* tp_getset */
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18129
diff changeset
691 0, /* tp_base */
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18129
diff changeset
692 0, /* tp_dict */
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18129
diff changeset
693 0, /* tp_descr_get */
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18129
diff changeset
694 0, /* tp_descr_set */
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18129
diff changeset
695 0, /* tp_dictoffset */
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18129
diff changeset
696 0, /* tp_init */
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18129
diff changeset
697 0, /* tp_alloc */
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18129
diff changeset
698 tuple_new, /* tp_new */
22979
9fe94c01eaf1 PyObject_GC_Del can now be used as a function designator.
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 22626
diff changeset
699 PyObject_GC_Del, /* tp_free */
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
700 };
1369
89e1e5d9ccbf * compile.[ch]: support for lambda()
Guido van Rossum <guido@python.org>
parents: 1352
diff changeset
701
89e1e5d9ccbf * compile.[ch]: support for lambda()
Guido van Rossum <guido@python.org>
parents: 1352
diff changeset
702 /* The following function breaks the notion that tuples are immutable:
89e1e5d9ccbf * compile.[ch]: support for lambda()
Guido van Rossum <guido@python.org>
parents: 1352
diff changeset
703 it changes the size of a tuple. We get away with this only if there
89e1e5d9ccbf * compile.[ch]: support for lambda()
Guido van Rossum <guido@python.org>
parents: 1352
diff changeset
704 is only one module referencing the object. You can also think of it
15037
c7d46eae95d8 Simplify _PyTuple_Resize by not using the tuple free list and dropping
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 14584
diff changeset
705 as creating a new tuple object and destroying the old one, only more
c7d46eae95d8 Simplify _PyTuple_Resize by not using the tuple free list and dropping
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 14584
diff changeset
706 efficiently. In any case, don't use this if the tuple may already be
17976
d579a5d8b3fe Cruft cleanup: Removed the unused last_is_sticky argument from the internal
Tim Peters <tim.peters@gmail.com>
parents: 17975
diff changeset
707 known to some other part of the code. */
1369
89e1e5d9ccbf * compile.[ch]: support for lambda()
Guido van Rossum <guido@python.org>
parents: 1352
diff changeset
708
89e1e5d9ccbf * compile.[ch]: support for lambda()
Guido van Rossum <guido@python.org>
parents: 1352
diff changeset
709 int
17976
d579a5d8b3fe Cruft cleanup: Removed the unused last_is_sticky argument from the internal
Tim Peters <tim.peters@gmail.com>
parents: 17975
diff changeset
710 _PyTuple_Resize(PyObject **pv, int newsize)
1369
89e1e5d9ccbf * compile.[ch]: support for lambda()
Guido van Rossum <guido@python.org>
parents: 1352
diff changeset
711 {
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 4733
diff changeset
712 register PyTupleObject *v;
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 4733
diff changeset
713 register PyTupleObject *sv;
1380
a4aa83012af3 Fixed bugs in resizetuple and extended the interface.
Sjoerd Mullender <sjoerd@acm.org>
parents: 1369
diff changeset
714 int i;
21293
b810c30b4aa1 _PyTuple_Resize(): this dumped core on tuple(globals()) for me. Turns
Guido van Rossum <guido@python.org>
parents: 20277
diff changeset
715 int oldsize;
1380
a4aa83012af3 Fixed bugs in resizetuple and extended the interface.
Sjoerd Mullender <sjoerd@acm.org>
parents: 1369
diff changeset
716
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 4733
diff changeset
717 v = (PyTupleObject *) *pv;
19612
c396afef1aa9 More stuff discovered while writing the simplest of testcases:
Guido van Rossum <guido@python.org>
parents: 19592
diff changeset
718 if (v == NULL || v->ob_type != &PyTuple_Type ||
17975
527d0ffdf099 _PyTuple_Resize: take into account the empty tuple. There can be only one.
Thomas Wouters <thomas@python.org>
parents: 17841
diff changeset
719 (v->ob_size != 0 && v->ob_refcnt != 1)) {
1369
89e1e5d9ccbf * compile.[ch]: support for lambda()
Guido van Rossum <guido@python.org>
parents: 1352
diff changeset
720 *pv = 0;
15037
c7d46eae95d8 Simplify _PyTuple_Resize by not using the tuple free list and dropping
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 14584
diff changeset
721 Py_XDECREF(v);
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 4733
diff changeset
722 PyErr_BadInternalCall();
1369
89e1e5d9ccbf * compile.[ch]: support for lambda()
Guido van Rossum <guido@python.org>
parents: 1352
diff changeset
723 return -1;
89e1e5d9ccbf * compile.[ch]: support for lambda()
Guido van Rossum <guido@python.org>
parents: 1352
diff changeset
724 }
21293
b810c30b4aa1 _PyTuple_Resize(): this dumped core on tuple(globals()) for me. Turns
Guido van Rossum <guido@python.org>
parents: 20277
diff changeset
725 oldsize = v->ob_size;
b810c30b4aa1 _PyTuple_Resize(): this dumped core on tuple(globals()) for me. Turns
Guido van Rossum <guido@python.org>
parents: 20277
diff changeset
726 if (oldsize == newsize)
1380
a4aa83012af3 Fixed bugs in resizetuple and extended the interface.
Sjoerd Mullender <sjoerd@acm.org>
parents: 1369
diff changeset
727 return 0;
15037
c7d46eae95d8 Simplify _PyTuple_Resize by not using the tuple free list and dropping
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 14584
diff changeset
728
21293
b810c30b4aa1 _PyTuple_Resize(): this dumped core on tuple(globals()) for me. Turns
Guido van Rossum <guido@python.org>
parents: 20277
diff changeset
729 if (oldsize == 0) {
17975
527d0ffdf099 _PyTuple_Resize: take into account the empty tuple. There can be only one.
Thomas Wouters <thomas@python.org>
parents: 17841
diff changeset
730 /* Empty tuples are often shared, so we should never
527d0ffdf099 _PyTuple_Resize: take into account the empty tuple. There can be only one.
Thomas Wouters <thomas@python.org>
parents: 17841
diff changeset
731 resize them in-place even if we do own the only
527d0ffdf099 _PyTuple_Resize: take into account the empty tuple. There can be only one.
Thomas Wouters <thomas@python.org>
parents: 17841
diff changeset
732 (current) reference */
527d0ffdf099 _PyTuple_Resize: take into account the empty tuple. There can be only one.
Thomas Wouters <thomas@python.org>
parents: 17841
diff changeset
733 Py_DECREF(v);
527d0ffdf099 _PyTuple_Resize: take into account the empty tuple. There can be only one.
Thomas Wouters <thomas@python.org>
parents: 17841
diff changeset
734 *pv = PyTuple_New(newsize);
17979
192d36869445 _PyTuple_Resize: guard against PyTuple_New() returning NULL, using Tim's
Thomas Wouters <thomas@python.org>
parents: 17976
diff changeset
735 return *pv == NULL ? -1 : 0;
17975
527d0ffdf099 _PyTuple_Resize: take into account the empty tuple. There can be only one.
Thomas Wouters <thomas@python.org>
parents: 17841
diff changeset
736 }
527d0ffdf099 _PyTuple_Resize: take into account the empty tuple. There can be only one.
Thomas Wouters <thomas@python.org>
parents: 17841
diff changeset
737
1369
89e1e5d9ccbf * compile.[ch]: support for lambda()
Guido van Rossum <guido@python.org>
parents: 1352
diff changeset
738 /* XXX UNREF/NEWREF interface should be more symmetrical */
24184
c4dcb80f48ea object.h special-build macro minefield: renamed all the new lexical
Tim Peters <tim.peters@gmail.com>
parents: 23952
diff changeset
739 _Py_DEC_REFTOTAL;
19581
fd48a55ac364 Use new GC API.
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 18933
diff changeset
740 _PyObject_GC_UNTRACK(v);
15037
c7d46eae95d8 Simplify _PyTuple_Resize by not using the tuple free list and dropping
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 14584
diff changeset
741 _Py_ForgetReference((PyObject *) v);
21293
b810c30b4aa1 _PyTuple_Resize(): this dumped core on tuple(globals()) for me. Turns
Guido van Rossum <guido@python.org>
parents: 20277
diff changeset
742 /* DECREF items deleted by shrinkage */
b810c30b4aa1 _PyTuple_Resize(): this dumped core on tuple(globals()) for me. Turns
Guido van Rossum <guido@python.org>
parents: 20277
diff changeset
743 for (i = newsize; i < oldsize; i++) {
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 4733
diff changeset
744 Py_XDECREF(v->ob_item[i]);
1380
a4aa83012af3 Fixed bugs in resizetuple and extended the interface.
Sjoerd Mullender <sjoerd@acm.org>
parents: 1369
diff changeset
745 v->ob_item[i] = NULL;
a4aa83012af3 Fixed bugs in resizetuple and extended the interface.
Sjoerd Mullender <sjoerd@acm.org>
parents: 1369
diff changeset
746 }
19581
fd48a55ac364 Use new GC API.
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 18933
diff changeset
747 sv = PyObject_GC_Resize(PyTupleObject, v, newsize);
15037
c7d46eae95d8 Simplify _PyTuple_Resize by not using the tuple free list and dropping
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 14584
diff changeset
748 if (sv == NULL) {
c7d46eae95d8 Simplify _PyTuple_Resize by not using the tuple free list and dropping
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 14584
diff changeset
749 *pv = NULL;
19581
fd48a55ac364 Use new GC API.
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 18933
diff changeset
750 PyObject_GC_Del(v);
15037
c7d46eae95d8 Simplify _PyTuple_Resize by not using the tuple free list and dropping
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 14584
diff changeset
751 return -1;
12439
456869eaa7d5 Patch by Charles G Waldman to avoid a sneaky memory leak in
Guido van Rossum <guido@python.org>
parents: 11999
diff changeset
752 }
15037
c7d46eae95d8 Simplify _PyTuple_Resize by not using the tuple free list and dropping
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 14584
diff changeset
753 _Py_NewReference((PyObject *) sv);
21293
b810c30b4aa1 _PyTuple_Resize(): this dumped core on tuple(globals()) for me. Turns
Guido van Rossum <guido@python.org>
parents: 20277
diff changeset
754 /* Zero out items added by growing */
23834
8ae26d9be1b4 SF #561244 Micro optimizations
Neal Norwitz <nnorwitz@gmail.com>
parents: 23832
diff changeset
755 if (newsize > oldsize)
23952
3834cb0e7be6 Fix for SF bug 571885
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 23834
diff changeset
756 memset(&sv->ob_item[oldsize], 0,
3834cb0e7be6 Fix for SF bug 571885
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 23834
diff changeset
757 sizeof(*sv->ob_item) * (newsize - oldsize));
15037
c7d46eae95d8 Simplify _PyTuple_Resize by not using the tuple free list and dropping
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 14584
diff changeset
758 *pv = (PyObject *) sv;
19581
fd48a55ac364 Use new GC API.
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 18933
diff changeset
759 _PyObject_GC_TRACK(sv);
1369
89e1e5d9ccbf * compile.[ch]: support for lambda()
Guido van Rossum <guido@python.org>
parents: 1352
diff changeset
760 return 0;
89e1e5d9ccbf * compile.[ch]: support for lambda()
Guido van Rossum <guido@python.org>
parents: 1352
diff changeset
761 }
5936
80d24364b932 Added _Fini() routines to free up some memory
Guido van Rossum <guido@python.org>
parents: 5396
diff changeset
762
80d24364b932 Added _Fini() routines to free up some memory
Guido van Rossum <guido@python.org>
parents: 5396
diff changeset
763 void
13459
0f95c93f200b ANSI-fication of the sources.
Fred Drake <fdrake@acm.org>
parents: 13265
diff changeset
764 PyTuple_Fini(void)
5936
80d24364b932 Added _Fini() routines to free up some memory
Guido van Rossum <guido@python.org>
parents: 5396
diff changeset
765 {
80d24364b932 Added _Fini() routines to free up some memory
Guido van Rossum <guido@python.org>
parents: 5396
diff changeset
766 #if MAXSAVESIZE > 0
80d24364b932 Added _Fini() routines to free up some memory
Guido van Rossum <guido@python.org>
parents: 5396
diff changeset
767 int i;
80d24364b932 Added _Fini() routines to free up some memory
Guido van Rossum <guido@python.org>
parents: 5396
diff changeset
768
80d24364b932 Added _Fini() routines to free up some memory
Guido van Rossum <guido@python.org>
parents: 5396
diff changeset
769 Py_XDECREF(free_tuples[0]);
80d24364b932 Added _Fini() routines to free up some memory
Guido van Rossum <guido@python.org>
parents: 5396
diff changeset
770 free_tuples[0] = NULL;
80d24364b932 Added _Fini() routines to free up some memory
Guido van Rossum <guido@python.org>
parents: 5396
diff changeset
771
80d24364b932 Added _Fini() routines to free up some memory
Guido van Rossum <guido@python.org>
parents: 5396
diff changeset
772 for (i = 1; i < MAXSAVESIZE; i++) {
80d24364b932 Added _Fini() routines to free up some memory
Guido van Rossum <guido@python.org>
parents: 5396
diff changeset
773 PyTupleObject *p, *q;
80d24364b932 Added _Fini() routines to free up some memory
Guido van Rossum <guido@python.org>
parents: 5396
diff changeset
774 p = free_tuples[i];
80d24364b932 Added _Fini() routines to free up some memory
Guido van Rossum <guido@python.org>
parents: 5396
diff changeset
775 free_tuples[i] = NULL;
80d24364b932 Added _Fini() routines to free up some memory
Guido van Rossum <guido@python.org>
parents: 5396
diff changeset
776 while (p) {
80d24364b932 Added _Fini() routines to free up some memory
Guido van Rossum <guido@python.org>
parents: 5396
diff changeset
777 q = p;
80d24364b932 Added _Fini() routines to free up some memory
Guido van Rossum <guido@python.org>
parents: 5396
diff changeset
778 p = (PyTupleObject *)(p->ob_item[0]);
19581
fd48a55ac364 Use new GC API.
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 18933
diff changeset
779 PyObject_GC_Del(q);
5936
80d24364b932 Added _Fini() routines to free up some memory
Guido van Rossum <guido@python.org>
parents: 5396
diff changeset
780 }
80d24364b932 Added _Fini() routines to free up some memory
Guido van Rossum <guido@python.org>
parents: 5396
diff changeset
781 }
80d24364b932 Added _Fini() routines to free up some memory
Guido van Rossum <guido@python.org>
parents: 5396
diff changeset
782 #endif
80d24364b932 Added _Fini() routines to free up some memory
Guido van Rossum <guido@python.org>
parents: 5396
diff changeset
783 }
24683
567704bfa595 Moved special case for tuples from iterobject.c to
Raymond Hettinger <python@rcn.com>
parents: 24280
diff changeset
784
567704bfa595 Moved special case for tuples from iterobject.c to
Raymond Hettinger <python@rcn.com>
parents: 24280
diff changeset
785 /*********************** Tuple Iterator **************************/
567704bfa595 Moved special case for tuples from iterobject.c to
Raymond Hettinger <python@rcn.com>
parents: 24280
diff changeset
786
567704bfa595 Moved special case for tuples from iterobject.c to
Raymond Hettinger <python@rcn.com>
parents: 24280
diff changeset
787 typedef struct {
567704bfa595 Moved special case for tuples from iterobject.c to
Raymond Hettinger <python@rcn.com>
parents: 24280
diff changeset
788 PyObject_HEAD
567704bfa595 Moved special case for tuples from iterobject.c to
Raymond Hettinger <python@rcn.com>
parents: 24280
diff changeset
789 long it_index;
567704bfa595 Moved special case for tuples from iterobject.c to
Raymond Hettinger <python@rcn.com>
parents: 24280
diff changeset
790 PyTupleObject *it_seq; /* Set to NULL when iterator is exhausted */
567704bfa595 Moved special case for tuples from iterobject.c to
Raymond Hettinger <python@rcn.com>
parents: 24280
diff changeset
791 } tupleiterobject;
567704bfa595 Moved special case for tuples from iterobject.c to
Raymond Hettinger <python@rcn.com>
parents: 24280
diff changeset
792
567704bfa595 Moved special case for tuples from iterobject.c to
Raymond Hettinger <python@rcn.com>
parents: 24280
diff changeset
793 PyTypeObject PyTupleIter_Type;
567704bfa595 Moved special case for tuples from iterobject.c to
Raymond Hettinger <python@rcn.com>
parents: 24280
diff changeset
794
567704bfa595 Moved special case for tuples from iterobject.c to
Raymond Hettinger <python@rcn.com>
parents: 24280
diff changeset
795 static PyObject *
567704bfa595 Moved special case for tuples from iterobject.c to
Raymond Hettinger <python@rcn.com>
parents: 24280
diff changeset
796 tuple_iter(PyObject *seq)
567704bfa595 Moved special case for tuples from iterobject.c to
Raymond Hettinger <python@rcn.com>
parents: 24280
diff changeset
797 {
567704bfa595 Moved special case for tuples from iterobject.c to
Raymond Hettinger <python@rcn.com>
parents: 24280
diff changeset
798 tupleiterobject *it;
567704bfa595 Moved special case for tuples from iterobject.c to
Raymond Hettinger <python@rcn.com>
parents: 24280
diff changeset
799
567704bfa595 Moved special case for tuples from iterobject.c to
Raymond Hettinger <python@rcn.com>
parents: 24280
diff changeset
800 if (!PyTuple_Check(seq)) {
567704bfa595 Moved special case for tuples from iterobject.c to
Raymond Hettinger <python@rcn.com>
parents: 24280
diff changeset
801 PyErr_BadInternalCall();
567704bfa595 Moved special case for tuples from iterobject.c to
Raymond Hettinger <python@rcn.com>
parents: 24280
diff changeset
802 return NULL;
567704bfa595 Moved special case for tuples from iterobject.c to
Raymond Hettinger <python@rcn.com>
parents: 24280
diff changeset
803 }
567704bfa595 Moved special case for tuples from iterobject.c to
Raymond Hettinger <python@rcn.com>
parents: 24280
diff changeset
804 it = PyObject_GC_New(tupleiterobject, &PyTupleIter_Type);
567704bfa595 Moved special case for tuples from iterobject.c to
Raymond Hettinger <python@rcn.com>
parents: 24280
diff changeset
805 if (it == NULL)
567704bfa595 Moved special case for tuples from iterobject.c to
Raymond Hettinger <python@rcn.com>
parents: 24280
diff changeset
806 return NULL;
567704bfa595 Moved special case for tuples from iterobject.c to
Raymond Hettinger <python@rcn.com>
parents: 24280
diff changeset
807 it->it_index = 0;
567704bfa595 Moved special case for tuples from iterobject.c to
Raymond Hettinger <python@rcn.com>
parents: 24280
diff changeset
808 Py_INCREF(seq);
567704bfa595 Moved special case for tuples from iterobject.c to
Raymond Hettinger <python@rcn.com>
parents: 24280
diff changeset
809 it->it_seq = (PyTupleObject *)seq;
567704bfa595 Moved special case for tuples from iterobject.c to
Raymond Hettinger <python@rcn.com>
parents: 24280
diff changeset
810 _PyObject_GC_TRACK(it);
567704bfa595 Moved special case for tuples from iterobject.c to
Raymond Hettinger <python@rcn.com>
parents: 24280
diff changeset
811 return (PyObject *)it;
567704bfa595 Moved special case for tuples from iterobject.c to
Raymond Hettinger <python@rcn.com>
parents: 24280
diff changeset
812 }
567704bfa595 Moved special case for tuples from iterobject.c to
Raymond Hettinger <python@rcn.com>
parents: 24280
diff changeset
813
567704bfa595 Moved special case for tuples from iterobject.c to
Raymond Hettinger <python@rcn.com>
parents: 24280
diff changeset
814 static void
567704bfa595 Moved special case for tuples from iterobject.c to
Raymond Hettinger <python@rcn.com>
parents: 24280
diff changeset
815 tupleiter_dealloc(tupleiterobject *it)
567704bfa595 Moved special case for tuples from iterobject.c to
Raymond Hettinger <python@rcn.com>
parents: 24280
diff changeset
816 {
567704bfa595 Moved special case for tuples from iterobject.c to
Raymond Hettinger <python@rcn.com>
parents: 24280
diff changeset
817 _PyObject_GC_UNTRACK(it);
567704bfa595 Moved special case for tuples from iterobject.c to
Raymond Hettinger <python@rcn.com>
parents: 24280
diff changeset
818 Py_XDECREF(it->it_seq);
567704bfa595 Moved special case for tuples from iterobject.c to
Raymond Hettinger <python@rcn.com>
parents: 24280
diff changeset
819 PyObject_GC_Del(it);
567704bfa595 Moved special case for tuples from iterobject.c to
Raymond Hettinger <python@rcn.com>
parents: 24280
diff changeset
820 }
567704bfa595 Moved special case for tuples from iterobject.c to
Raymond Hettinger <python@rcn.com>
parents: 24280
diff changeset
821
567704bfa595 Moved special case for tuples from iterobject.c to
Raymond Hettinger <python@rcn.com>
parents: 24280
diff changeset
822 static int
567704bfa595 Moved special case for tuples from iterobject.c to
Raymond Hettinger <python@rcn.com>
parents: 24280
diff changeset
823 tupleiter_traverse(tupleiterobject *it, visitproc visit, void *arg)
567704bfa595 Moved special case for tuples from iterobject.c to
Raymond Hettinger <python@rcn.com>
parents: 24280
diff changeset
824 {
567704bfa595 Moved special case for tuples from iterobject.c to
Raymond Hettinger <python@rcn.com>
parents: 24280
diff changeset
825 if (it->it_seq == NULL)
567704bfa595 Moved special case for tuples from iterobject.c to
Raymond Hettinger <python@rcn.com>
parents: 24280
diff changeset
826 return 0;
567704bfa595 Moved special case for tuples from iterobject.c to
Raymond Hettinger <python@rcn.com>
parents: 24280
diff changeset
827 return visit((PyObject *)it->it_seq, arg);
567704bfa595 Moved special case for tuples from iterobject.c to
Raymond Hettinger <python@rcn.com>
parents: 24280
diff changeset
828 }
567704bfa595 Moved special case for tuples from iterobject.c to
Raymond Hettinger <python@rcn.com>
parents: 24280
diff changeset
829
567704bfa595 Moved special case for tuples from iterobject.c to
Raymond Hettinger <python@rcn.com>
parents: 24280
diff changeset
830 static PyObject *
567704bfa595 Moved special case for tuples from iterobject.c to
Raymond Hettinger <python@rcn.com>
parents: 24280
diff changeset
831 tupleiter_next(tupleiterobject *it)
567704bfa595 Moved special case for tuples from iterobject.c to
Raymond Hettinger <python@rcn.com>
parents: 24280
diff changeset
832 {
567704bfa595 Moved special case for tuples from iterobject.c to
Raymond Hettinger <python@rcn.com>
parents: 24280
diff changeset
833 PyTupleObject *seq;
567704bfa595 Moved special case for tuples from iterobject.c to
Raymond Hettinger <python@rcn.com>
parents: 24280
diff changeset
834 PyObject *item;
567704bfa595 Moved special case for tuples from iterobject.c to
Raymond Hettinger <python@rcn.com>
parents: 24280
diff changeset
835
567704bfa595 Moved special case for tuples from iterobject.c to
Raymond Hettinger <python@rcn.com>
parents: 24280
diff changeset
836 assert(it != NULL);
567704bfa595 Moved special case for tuples from iterobject.c to
Raymond Hettinger <python@rcn.com>
parents: 24280
diff changeset
837 seq = it->it_seq;
567704bfa595 Moved special case for tuples from iterobject.c to
Raymond Hettinger <python@rcn.com>
parents: 24280
diff changeset
838 if (seq == NULL)
567704bfa595 Moved special case for tuples from iterobject.c to
Raymond Hettinger <python@rcn.com>
parents: 24280
diff changeset
839 return NULL;
567704bfa595 Moved special case for tuples from iterobject.c to
Raymond Hettinger <python@rcn.com>
parents: 24280
diff changeset
840 assert(PyTuple_Check(seq));
567704bfa595 Moved special case for tuples from iterobject.c to
Raymond Hettinger <python@rcn.com>
parents: 24280
diff changeset
841
567704bfa595 Moved special case for tuples from iterobject.c to
Raymond Hettinger <python@rcn.com>
parents: 24280
diff changeset
842 if (it->it_index < PyTuple_GET_SIZE(seq)) {
567704bfa595 Moved special case for tuples from iterobject.c to
Raymond Hettinger <python@rcn.com>
parents: 24280
diff changeset
843 item = PyTuple_GET_ITEM(seq, it->it_index);
567704bfa595 Moved special case for tuples from iterobject.c to
Raymond Hettinger <python@rcn.com>
parents: 24280
diff changeset
844 ++it->it_index;
567704bfa595 Moved special case for tuples from iterobject.c to
Raymond Hettinger <python@rcn.com>
parents: 24280
diff changeset
845 Py_INCREF(item);
567704bfa595 Moved special case for tuples from iterobject.c to
Raymond Hettinger <python@rcn.com>
parents: 24280
diff changeset
846 return item;
567704bfa595 Moved special case for tuples from iterobject.c to
Raymond Hettinger <python@rcn.com>
parents: 24280
diff changeset
847 }
567704bfa595 Moved special case for tuples from iterobject.c to
Raymond Hettinger <python@rcn.com>
parents: 24280
diff changeset
848
567704bfa595 Moved special case for tuples from iterobject.c to
Raymond Hettinger <python@rcn.com>
parents: 24280
diff changeset
849 Py_DECREF(seq);
567704bfa595 Moved special case for tuples from iterobject.c to
Raymond Hettinger <python@rcn.com>
parents: 24280
diff changeset
850 it->it_seq = NULL;
567704bfa595 Moved special case for tuples from iterobject.c to
Raymond Hettinger <python@rcn.com>
parents: 24280
diff changeset
851 return NULL;
567704bfa595 Moved special case for tuples from iterobject.c to
Raymond Hettinger <python@rcn.com>
parents: 24280
diff changeset
852 }
567704bfa595 Moved special case for tuples from iterobject.c to
Raymond Hettinger <python@rcn.com>
parents: 24280
diff changeset
853
31686
823279ae43eb Make iterators length transparent where possible.
Raymond Hettinger <python@rcn.com>
parents: 31663
diff changeset
854 static int
823279ae43eb Make iterators length transparent where possible.
Raymond Hettinger <python@rcn.com>
parents: 31663
diff changeset
855 tupleiter_len(tupleiterobject *it)
823279ae43eb Make iterators length transparent where possible.
Raymond Hettinger <python@rcn.com>
parents: 31663
diff changeset
856 {
823279ae43eb Make iterators length transparent where possible.
Raymond Hettinger <python@rcn.com>
parents: 31663
diff changeset
857 if (it->it_seq)
823279ae43eb Make iterators length transparent where possible.
Raymond Hettinger <python@rcn.com>
parents: 31663
diff changeset
858 return PyTuple_GET_SIZE(it->it_seq) - it->it_index;
823279ae43eb Make iterators length transparent where possible.
Raymond Hettinger <python@rcn.com>
parents: 31663
diff changeset
859 return 0;
823279ae43eb Make iterators length transparent where possible.
Raymond Hettinger <python@rcn.com>
parents: 31663
diff changeset
860 }
823279ae43eb Make iterators length transparent where possible.
Raymond Hettinger <python@rcn.com>
parents: 31663
diff changeset
861
823279ae43eb Make iterators length transparent where possible.
Raymond Hettinger <python@rcn.com>
parents: 31663
diff changeset
862 static PySequenceMethods tupleiter_as_sequence = {
823279ae43eb Make iterators length transparent where possible.
Raymond Hettinger <python@rcn.com>
parents: 31663
diff changeset
863 (inquiry)tupleiter_len, /* sq_length */
823279ae43eb Make iterators length transparent where possible.
Raymond Hettinger <python@rcn.com>
parents: 31663
diff changeset
864 0, /* sq_concat */
823279ae43eb Make iterators length transparent where possible.
Raymond Hettinger <python@rcn.com>
parents: 31663
diff changeset
865 };
823279ae43eb Make iterators length transparent where possible.
Raymond Hettinger <python@rcn.com>
parents: 31663
diff changeset
866
24683
567704bfa595 Moved special case for tuples from iterobject.c to
Raymond Hettinger <python@rcn.com>
parents: 24280
diff changeset
867 PyTypeObject PyTupleIter_Type = {
567704bfa595 Moved special case for tuples from iterobject.c to
Raymond Hettinger <python@rcn.com>
parents: 24280
diff changeset
868 PyObject_HEAD_INIT(&PyType_Type)
567704bfa595 Moved special case for tuples from iterobject.c to
Raymond Hettinger <python@rcn.com>
parents: 24280
diff changeset
869 0, /* ob_size */
567704bfa595 Moved special case for tuples from iterobject.c to
Raymond Hettinger <python@rcn.com>
parents: 24280
diff changeset
870 "tupleiterator", /* tp_name */
567704bfa595 Moved special case for tuples from iterobject.c to
Raymond Hettinger <python@rcn.com>
parents: 24280
diff changeset
871 sizeof(tupleiterobject), /* tp_basicsize */
567704bfa595 Moved special case for tuples from iterobject.c to
Raymond Hettinger <python@rcn.com>
parents: 24280
diff changeset
872 0, /* tp_itemsize */
567704bfa595 Moved special case for tuples from iterobject.c to
Raymond Hettinger <python@rcn.com>
parents: 24280
diff changeset
873 /* methods */
567704bfa595 Moved special case for tuples from iterobject.c to
Raymond Hettinger <python@rcn.com>
parents: 24280
diff changeset
874 (destructor)tupleiter_dealloc, /* tp_dealloc */
567704bfa595 Moved special case for tuples from iterobject.c to
Raymond Hettinger <python@rcn.com>
parents: 24280
diff changeset
875 0, /* tp_print */
567704bfa595 Moved special case for tuples from iterobject.c to
Raymond Hettinger <python@rcn.com>
parents: 24280
diff changeset
876 0, /* tp_getattr */
567704bfa595 Moved special case for tuples from iterobject.c to
Raymond Hettinger <python@rcn.com>
parents: 24280
diff changeset
877 0, /* tp_setattr */
567704bfa595 Moved special case for tuples from iterobject.c to
Raymond Hettinger <python@rcn.com>
parents: 24280
diff changeset
878 0, /* tp_compare */
567704bfa595 Moved special case for tuples from iterobject.c to
Raymond Hettinger <python@rcn.com>
parents: 24280
diff changeset
879 0, /* tp_repr */
567704bfa595 Moved special case for tuples from iterobject.c to
Raymond Hettinger <python@rcn.com>
parents: 24280
diff changeset
880 0, /* tp_as_number */
31686
823279ae43eb Make iterators length transparent where possible.
Raymond Hettinger <python@rcn.com>
parents: 31663
diff changeset
881 &tupleiter_as_sequence, /* tp_as_sequence */
24683
567704bfa595 Moved special case for tuples from iterobject.c to
Raymond Hettinger <python@rcn.com>
parents: 24280
diff changeset
882 0, /* tp_as_mapping */
567704bfa595 Moved special case for tuples from iterobject.c to
Raymond Hettinger <python@rcn.com>
parents: 24280
diff changeset
883 0, /* tp_hash */
567704bfa595 Moved special case for tuples from iterobject.c to
Raymond Hettinger <python@rcn.com>
parents: 24280
diff changeset
884 0, /* tp_call */
567704bfa595 Moved special case for tuples from iterobject.c to
Raymond Hettinger <python@rcn.com>
parents: 24280
diff changeset
885 0, /* tp_str */
567704bfa595 Moved special case for tuples from iterobject.c to
Raymond Hettinger <python@rcn.com>
parents: 24280
diff changeset
886 PyObject_GenericGetAttr, /* tp_getattro */
567704bfa595 Moved special case for tuples from iterobject.c to
Raymond Hettinger <python@rcn.com>
parents: 24280
diff changeset
887 0, /* tp_setattro */
567704bfa595 Moved special case for tuples from iterobject.c to
Raymond Hettinger <python@rcn.com>
parents: 24280
diff changeset
888 0, /* tp_as_buffer */
567704bfa595 Moved special case for tuples from iterobject.c to
Raymond Hettinger <python@rcn.com>
parents: 24280
diff changeset
889 Py_TPFLAGS_DEFAULT | Py_TPFLAGS_HAVE_GC,/* tp_flags */
567704bfa595 Moved special case for tuples from iterobject.c to
Raymond Hettinger <python@rcn.com>
parents: 24280
diff changeset
890 0, /* tp_doc */
567704bfa595 Moved special case for tuples from iterobject.c to
Raymond Hettinger <python@rcn.com>
parents: 24280
diff changeset
891 (traverseproc)tupleiter_traverse, /* tp_traverse */
567704bfa595 Moved special case for tuples from iterobject.c to
Raymond Hettinger <python@rcn.com>
parents: 24280
diff changeset
892 0, /* tp_clear */
567704bfa595 Moved special case for tuples from iterobject.c to
Raymond Hettinger <python@rcn.com>
parents: 24280
diff changeset
893 0, /* tp_richcompare */
567704bfa595 Moved special case for tuples from iterobject.c to
Raymond Hettinger <python@rcn.com>
parents: 24280
diff changeset
894 0, /* tp_weaklistoffset */
28320
fd5ef7003469 Renamed PyObject_GenericGetIter to PyObject_SelfIter
Raymond Hettinger <python@rcn.com>
parents: 28308
diff changeset
895 PyObject_SelfIter, /* tp_iter */
24683
567704bfa595 Moved special case for tuples from iterobject.c to
Raymond Hettinger <python@rcn.com>
parents: 24280
diff changeset
896 (iternextfunc)tupleiter_next, /* tp_iternext */
567704bfa595 Moved special case for tuples from iterobject.c to
Raymond Hettinger <python@rcn.com>
parents: 24280
diff changeset
897 };