cpython-lru_cache-weakref: Objects/setobject.c annotate

annotate Objects/setobject.c @ 39042:c02fa187e0f4 legacy-trunk

Part of SF patch #1484695. This removes dead code. The chksum was already verified in .frombuf() on the lines above. If there was a problem an exception is raised, so there was no way this condition could have been true.

author	Neal Norwitz <nnorwitz@gmail.com>
date	Mon, 10 Jul 2006 00:23:17 +0000
parents	805f41881e27
children	6064cb301209

rev	line source
35328 0ef64a93f3f2 * Add short-circuit code for in-place operations with self (such as Raymond Hettinger <python@rcn.com> parents: 35321 diff changeset	1
35311 541bfbb10030 * Move copyright notice to top and indicate derivation from sets.py and Raymond Hettinger <python@rcn.com> parents: 35301 diff changeset	2 /* set object implementation
541bfbb10030 * Move copyright notice to top and indicate derivation from sets.py and Raymond Hettinger <python@rcn.com> parents: 35301 diff changeset	3 Written and maintained by Raymond D. Hettinger <python@rcn.com>
541bfbb10030 * Move copyright notice to top and indicate derivation from sets.py and Raymond Hettinger <python@rcn.com> parents: 35301 diff changeset	4 Derived from Lib/sets.py and Objects/dictobject.c.
35292 35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	5
37602 ca95ad5b0fbc Remove "static forward" declaration. Move constructors Martin v. Löwis <martin@v.loewis.de> parents: 37315 diff changeset	6 Copyright (c) 2003-6 Python Software Foundation.
35311 541bfbb10030 * Move copyright notice to top and indicate derivation from sets.py and Raymond Hettinger <python@rcn.com> parents: 35301 diff changeset	7 All rights reserved.
35292 35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	8 */
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	9
30929 54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	10 #include "Python.h"
35311 541bfbb10030 * Move copyright notice to top and indicate derivation from sets.py and Raymond Hettinger <python@rcn.com> parents: 35301 diff changeset	11 #include "structmember.h"
35292 35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	12
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	13 /* This must be >= 1. */
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	14 #define PERTURB_SHIFT 5
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	15
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	16 /* Object used as dummy key to fill deleted entries */
35311 541bfbb10030 * Move copyright notice to top and indicate derivation from sets.py and Raymond Hettinger <python@rcn.com> parents: 35301 diff changeset	17 static PyObject dummy = NULL; / Initialized by first call to make_new_set() */
35292 35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	18
37638 65ecb83ea7dd Ignore the references to the dummy objects used as deleted keys Armin Rigo <arigo@tunes.org> parents: 37602 diff changeset	19 #ifdef Py_REF_DEBUG
65ecb83ea7dd Ignore the references to the dummy objects used as deleted keys Armin Rigo <arigo@tunes.org> parents: 37602 diff changeset	20 PyObject *
65ecb83ea7dd Ignore the references to the dummy objects used as deleted keys Armin Rigo <arigo@tunes.org> parents: 37602 diff changeset	21 _PySet_Dummy(void)
65ecb83ea7dd Ignore the references to the dummy objects used as deleted keys Armin Rigo <arigo@tunes.org> parents: 37602 diff changeset	22 {
65ecb83ea7dd Ignore the references to the dummy objects used as deleted keys Armin Rigo <arigo@tunes.org> parents: 37602 diff changeset	23 return dummy;
65ecb83ea7dd Ignore the references to the dummy objects used as deleted keys Armin Rigo <arigo@tunes.org> parents: 37602 diff changeset	24 }
65ecb83ea7dd Ignore the references to the dummy objects used as deleted keys Armin Rigo <arigo@tunes.org> parents: 37602 diff changeset	25 #endif
65ecb83ea7dd Ignore the references to the dummy objects used as deleted keys Armin Rigo <arigo@tunes.org> parents: 37602 diff changeset	26
35321 bdcb01a9b60c * Bring in INIT_NONZERO_SET_SLOTS macro from dictionary code. Raymond Hettinger <python@rcn.com> parents: 35317 diff changeset	27 #define INIT_NONZERO_SET_SLOTS(so) do { \
bdcb01a9b60c * Bring in INIT_NONZERO_SET_SLOTS macro from dictionary code. Raymond Hettinger <python@rcn.com> parents: 35317 diff changeset	28 (so)->table = (so)->smalltable; \
bdcb01a9b60c * Bring in INIT_NONZERO_SET_SLOTS macro from dictionary code. Raymond Hettinger <python@rcn.com> parents: 35317 diff changeset	29 (so)->mask = PySet_MINSIZE - 1; \
bdcb01a9b60c * Bring in INIT_NONZERO_SET_SLOTS macro from dictionary code. Raymond Hettinger <python@rcn.com> parents: 35317 diff changeset	30 (so)->hash = -1; \
bdcb01a9b60c * Bring in INIT_NONZERO_SET_SLOTS macro from dictionary code. Raymond Hettinger <python@rcn.com> parents: 35317 diff changeset	31 } while(0)
bdcb01a9b60c * Bring in INIT_NONZERO_SET_SLOTS macro from dictionary code. Raymond Hettinger <python@rcn.com> parents: 35317 diff changeset	32
35292 35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	33 #define EMPTY_TO_MINSIZE(so) do { \
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	34 memset((so)->smalltable, 0, sizeof((so)->smalltable)); \
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	35 (so)->used = (so)->fill = 0; \
35321 bdcb01a9b60c * Bring in INIT_NONZERO_SET_SLOTS macro from dictionary code. Raymond Hettinger <python@rcn.com> parents: 35317 diff changeset	36 INIT_NONZERO_SET_SLOTS(so); \
35292 35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	37 } while(0)
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	38
35321 bdcb01a9b60c * Bring in INIT_NONZERO_SET_SLOTS macro from dictionary code. Raymond Hettinger <python@rcn.com> parents: 35317 diff changeset	39 /* Reuse scheme to save calls to malloc, free, and memset */
bdcb01a9b60c * Bring in INIT_NONZERO_SET_SLOTS macro from dictionary code. Raymond Hettinger <python@rcn.com> parents: 35317 diff changeset	40 #define MAXFREESETS 80
bdcb01a9b60c * Bring in INIT_NONZERO_SET_SLOTS macro from dictionary code. Raymond Hettinger <python@rcn.com> parents: 35317 diff changeset	41 static PySetObject *free_sets[MAXFREESETS];
bdcb01a9b60c * Bring in INIT_NONZERO_SET_SLOTS macro from dictionary code. Raymond Hettinger <python@rcn.com> parents: 35317 diff changeset	42 static int num_free_sets = 0;
35292 35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	43
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	44 /*
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	45 The basic lookup function used by all operations.
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	46 This is based on Algorithm D from Knuth Vol. 3, Sec. 6.4.
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	47 Open addressing is preferred over chaining since the link overhead for
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	48 chaining would be substantial (100% with typical malloc overhead).
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	49
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	50 The initial probe index is computed as hash mod the table size. Subsequent
35321 bdcb01a9b60c * Bring in INIT_NONZERO_SET_SLOTS macro from dictionary code. Raymond Hettinger <python@rcn.com> parents: 35317 diff changeset	51 probe indices are computed as explained in Objects/dictobject.c.
35292 35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	52
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	53 All arithmetic on hash should ignore overflow.
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	54
35581 37859c6ad5bb No longer ignore exceptions raised by comparisons during key lookup. Raymond Hettinger <python@rcn.com> parents: 35449 diff changeset	55 Unlike the dictionary implementation, the lookkey functions can return
37859c6ad5bb No longer ignore exceptions raised by comparisons during key lookup. Raymond Hettinger <python@rcn.com> parents: 35449 diff changeset	56 NULL if the rich comparison returns an error.
35292 35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	57 */
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	58
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	59 static setentry *
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	60 set_lookkey(PySetObject so, PyObject key, register long hash)
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	61 {
36501 7fdc639bc5b4 Merge ssize_t branch. Martin v. Löwis <martin@v.loewis.de> parents: 36484 diff changeset	62 register Py_ssize_t i;
7fdc639bc5b4 Merge ssize_t branch. Martin v. Löwis <martin@v.loewis.de> parents: 36484 diff changeset	63 register size_t perturb;
35292 35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	64 register setentry *freeslot;
38872 805f41881e27 Use Py_ssize_t Neal Norwitz <nnorwitz@gmail.com> parents: 37747 diff changeset	65 register size_t mask = so->mask;
35312 8aa9bd80286b * Improve a variable name: entry0 --> table. Raymond Hettinger <python@rcn.com> parents: 35311 diff changeset	66 setentry *table = so->table;
35295 f30ebdc3bddf Improve variable names. Raymond Hettinger <python@rcn.com> parents: 35294 diff changeset	67 register setentry *entry;
35292 35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	68 register int cmp;
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	69 PyObject *startkey;
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	70
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	71 i = hash & mask;
35312 8aa9bd80286b * Improve a variable name: entry0 --> table. Raymond Hettinger <python@rcn.com> parents: 35311 diff changeset	72 entry = &table[i];
35295 f30ebdc3bddf Improve variable names. Raymond Hettinger <python@rcn.com> parents: 35294 diff changeset	73 if (entry->key == NULL \|\| entry->key == key)
f30ebdc3bddf Improve variable names. Raymond Hettinger <python@rcn.com> parents: 35294 diff changeset	74 return entry;
35292 35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	75
35295 f30ebdc3bddf Improve variable names. Raymond Hettinger <python@rcn.com> parents: 35294 diff changeset	76 if (entry->key == dummy)
f30ebdc3bddf Improve variable names. Raymond Hettinger <python@rcn.com> parents: 35294 diff changeset	77 freeslot = entry;
35292 35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	78 else {
35295 f30ebdc3bddf Improve variable names. Raymond Hettinger <python@rcn.com> parents: 35294 diff changeset	79 if (entry->hash == hash) {
f30ebdc3bddf Improve variable names. Raymond Hettinger <python@rcn.com> parents: 35294 diff changeset	80 startkey = entry->key;
35292 35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	81 cmp = PyObject_RichCompareBool(startkey, key, Py_EQ);
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	82 if (cmp < 0)
35581 37859c6ad5bb No longer ignore exceptions raised by comparisons during key lookup. Raymond Hettinger <python@rcn.com> parents: 35449 diff changeset	83 return NULL;
35312 8aa9bd80286b * Improve a variable name: entry0 --> table. Raymond Hettinger <python@rcn.com> parents: 35311 diff changeset	84 if (table == so->table && entry->key == startkey) {
35292 35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	85 if (cmp > 0)
35581 37859c6ad5bb No longer ignore exceptions raised by comparisons during key lookup. Raymond Hettinger <python@rcn.com> parents: 35449 diff changeset	86 return entry;
35292 35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	87 }
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	88 else {
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	89 /* The compare did major nasty stuff to the
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	90 * set: start over.
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	91 */
35581 37859c6ad5bb No longer ignore exceptions raised by comparisons during key lookup. Raymond Hettinger <python@rcn.com> parents: 35449 diff changeset	92 return set_lookkey(so, key, hash);
35292 35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	93 }
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	94 }
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	95 freeslot = NULL;
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	96 }
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	97
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	98 /* In the loop, key == dummy is by far (factor of 100s) the
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	99 least likely outcome, so test for that last. */
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	100 for (perturb = hash; ; perturb >>= PERTURB_SHIFT) {
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	101 i = (i << 2) + i + perturb + 1;
35312 8aa9bd80286b * Improve a variable name: entry0 --> table. Raymond Hettinger <python@rcn.com> parents: 35311 diff changeset	102 entry = &table[i & mask];
35295 f30ebdc3bddf Improve variable names. Raymond Hettinger <python@rcn.com> parents: 35294 diff changeset	103 if (entry->key == NULL) {
35292 35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	104 if (freeslot != NULL)
35295 f30ebdc3bddf Improve variable names. Raymond Hettinger <python@rcn.com> parents: 35294 diff changeset	105 entry = freeslot;
35292 35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	106 break;
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	107 }
35295 f30ebdc3bddf Improve variable names. Raymond Hettinger <python@rcn.com> parents: 35294 diff changeset	108 if (entry->key == key)
35292 35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	109 break;
35295 f30ebdc3bddf Improve variable names. Raymond Hettinger <python@rcn.com> parents: 35294 diff changeset	110 if (entry->hash == hash && entry->key != dummy) {
f30ebdc3bddf Improve variable names. Raymond Hettinger <python@rcn.com> parents: 35294 diff changeset	111 startkey = entry->key;
35292 35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	112 cmp = PyObject_RichCompareBool(startkey, key, Py_EQ);
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	113 if (cmp < 0)
35581 37859c6ad5bb No longer ignore exceptions raised by comparisons during key lookup. Raymond Hettinger <python@rcn.com> parents: 35449 diff changeset	114 return NULL;
35312 8aa9bd80286b * Improve a variable name: entry0 --> table. Raymond Hettinger <python@rcn.com> parents: 35311 diff changeset	115 if (table == so->table && entry->key == startkey) {
35292 35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	116 if (cmp > 0)
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	117 break;
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	118 }
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	119 else {
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	120 /* The compare did major nasty stuff to the
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	121 * set: start over.
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	122 */
35581 37859c6ad5bb No longer ignore exceptions raised by comparisons during key lookup. Raymond Hettinger <python@rcn.com> parents: 35449 diff changeset	123 return set_lookkey(so, key, hash);
35292 35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	124 }
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	125 }
35295 f30ebdc3bddf Improve variable names. Raymond Hettinger <python@rcn.com> parents: 35294 diff changeset	126 else if (entry->key == dummy && freeslot == NULL)
f30ebdc3bddf Improve variable names. Raymond Hettinger <python@rcn.com> parents: 35294 diff changeset	127 freeslot = entry;
35292 35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	128 }
35295 f30ebdc3bddf Improve variable names. Raymond Hettinger <python@rcn.com> parents: 35294 diff changeset	129 return entry;
35292 35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	130 }
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	131
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	132 /*
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	133 * Hacked up version of set_lookkey which can assume keys are always strings;
35581 37859c6ad5bb No longer ignore exceptions raised by comparisons during key lookup. Raymond Hettinger <python@rcn.com> parents: 35449 diff changeset	134 * This means we can always use _PyString_Eq directly and not have to check to
37859c6ad5bb No longer ignore exceptions raised by comparisons during key lookup. Raymond Hettinger <python@rcn.com> parents: 35449 diff changeset	135 * see if the comparison altered the table.
35292 35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	136 */
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	137 static setentry *
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	138 set_lookkey_string(PySetObject so, PyObject key, register long hash)
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	139 {
36501 7fdc639bc5b4 Merge ssize_t branch. Martin v. Löwis <martin@v.loewis.de> parents: 36484 diff changeset	140 register Py_ssize_t i;
7fdc639bc5b4 Merge ssize_t branch. Martin v. Löwis <martin@v.loewis.de> parents: 36484 diff changeset	141 register size_t perturb;
35292 35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	142 register setentry *freeslot;
38872 805f41881e27 Use Py_ssize_t Neal Norwitz <nnorwitz@gmail.com> parents: 37747 diff changeset	143 register size_t mask = so->mask;
35312 8aa9bd80286b * Improve a variable name: entry0 --> table. Raymond Hettinger <python@rcn.com> parents: 35311 diff changeset	144 setentry *table = so->table;
35295 f30ebdc3bddf Improve variable names. Raymond Hettinger <python@rcn.com> parents: 35294 diff changeset	145 register setentry *entry;
35292 35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	146
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	147 /* Make sure this function doesn't have to handle non-string keys,
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	148 including subclasses of str; e.g., one reason to subclass
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	149 strings is to override __eq__, and for speed we don't cater to
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	150 that here. */
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	151 if (!PyString_CheckExact(key)) {
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	152 so->lookup = set_lookkey;
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	153 return set_lookkey(so, key, hash);
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	154 }
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	155 i = hash & mask;
35312 8aa9bd80286b * Improve a variable name: entry0 --> table. Raymond Hettinger <python@rcn.com> parents: 35311 diff changeset	156 entry = &table[i];
35295 f30ebdc3bddf Improve variable names. Raymond Hettinger <python@rcn.com> parents: 35294 diff changeset	157 if (entry->key == NULL \|\| entry->key == key)
f30ebdc3bddf Improve variable names. Raymond Hettinger <python@rcn.com> parents: 35294 diff changeset	158 return entry;
35339 028e94a6efc5 * Bring lookkey() and lookkey_string() closer to dict version. Raymond Hettinger <python@rcn.com> parents: 35332 diff changeset	159 if (entry->key == dummy)
028e94a6efc5 * Bring lookkey() and lookkey_string() closer to dict version. Raymond Hettinger <python@rcn.com> parents: 35332 diff changeset	160 freeslot = entry;
028e94a6efc5 * Bring lookkey() and lookkey_string() closer to dict version. Raymond Hettinger <python@rcn.com> parents: 35332 diff changeset	161 else {
35295 f30ebdc3bddf Improve variable names. Raymond Hettinger <python@rcn.com> parents: 35294 diff changeset	162 if (entry->hash == hash && _PyString_Eq(entry->key, key))
f30ebdc3bddf Improve variable names. Raymond Hettinger <python@rcn.com> parents: 35294 diff changeset	163 return entry;
35339 028e94a6efc5 * Bring lookkey() and lookkey_string() closer to dict version. Raymond Hettinger <python@rcn.com> parents: 35332 diff changeset	164 freeslot = NULL;
028e94a6efc5 * Bring lookkey() and lookkey_string() closer to dict version. Raymond Hettinger <python@rcn.com> parents: 35332 diff changeset	165 }
028e94a6efc5 * Bring lookkey() and lookkey_string() closer to dict version. Raymond Hettinger <python@rcn.com> parents: 35332 diff changeset	166
028e94a6efc5 * Bring lookkey() and lookkey_string() closer to dict version. Raymond Hettinger <python@rcn.com> parents: 35332 diff changeset	167 /* In the loop, key == dummy is by far (factor of 100s) the
028e94a6efc5 * Bring lookkey() and lookkey_string() closer to dict version. Raymond Hettinger <python@rcn.com> parents: 35332 diff changeset	168 least likely outcome, so test for that last. */
028e94a6efc5 * Bring lookkey() and lookkey_string() closer to dict version. Raymond Hettinger <python@rcn.com> parents: 35332 diff changeset	169 for (perturb = hash; ; perturb >>= PERTURB_SHIFT) {
028e94a6efc5 * Bring lookkey() and lookkey_string() closer to dict version. Raymond Hettinger <python@rcn.com> parents: 35332 diff changeset	170 i = (i << 2) + i + perturb + 1;
028e94a6efc5 * Bring lookkey() and lookkey_string() closer to dict version. Raymond Hettinger <python@rcn.com> parents: 35332 diff changeset	171 entry = &table[i & mask];
028e94a6efc5 * Bring lookkey() and lookkey_string() closer to dict version. Raymond Hettinger <python@rcn.com> parents: 35332 diff changeset	172 if (entry->key == NULL)
028e94a6efc5 * Bring lookkey() and lookkey_string() closer to dict version. Raymond Hettinger <python@rcn.com> parents: 35332 diff changeset	173 return freeslot == NULL ? entry : freeslot;
028e94a6efc5 * Bring lookkey() and lookkey_string() closer to dict version. Raymond Hettinger <python@rcn.com> parents: 35332 diff changeset	174 if (entry->key == key
028e94a6efc5 * Bring lookkey() and lookkey_string() closer to dict version. Raymond Hettinger <python@rcn.com> parents: 35332 diff changeset	175 \|\| (entry->hash == hash
028e94a6efc5 * Bring lookkey() and lookkey_string() closer to dict version. Raymond Hettinger <python@rcn.com> parents: 35332 diff changeset	176 && entry->key != dummy
028e94a6efc5 * Bring lookkey() and lookkey_string() closer to dict version. Raymond Hettinger <python@rcn.com> parents: 35332 diff changeset	177 && _PyString_Eq(entry->key, key)))
028e94a6efc5 * Bring lookkey() and lookkey_string() closer to dict version. Raymond Hettinger <python@rcn.com> parents: 35332 diff changeset	178 return entry;
028e94a6efc5 * Bring lookkey() and lookkey_string() closer to dict version. Raymond Hettinger <python@rcn.com> parents: 35332 diff changeset	179 if (entry->key == dummy && freeslot == NULL)
028e94a6efc5 * Bring lookkey() and lookkey_string() closer to dict version. Raymond Hettinger <python@rcn.com> parents: 35332 diff changeset	180 freeslot = entry;
35292 35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	181 }
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	182 }
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	183
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	184 /*
35295 f30ebdc3bddf Improve variable names. Raymond Hettinger <python@rcn.com> parents: 35294 diff changeset	185 Internal routine to insert a new key into the table.
35292 35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	186 Used both by the internal resize routine and by the public insert routine.
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	187 Eats a reference to key.
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	188 */
35581 37859c6ad5bb No longer ignore exceptions raised by comparisons during key lookup. Raymond Hettinger <python@rcn.com> parents: 35449 diff changeset	189 static int
35292 35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	190 set_insert_key(register PySetObject so, PyObject key, long hash)
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	191 {
35295 f30ebdc3bddf Improve variable names. Raymond Hettinger <python@rcn.com> parents: 35294 diff changeset	192 register setentry *entry;
35292 35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	193 typedef setentry (lookupfunc)(PySetObject , PyObject , long);
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	194
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	195 assert(so->lookup != NULL);
35295 f30ebdc3bddf Improve variable names. Raymond Hettinger <python@rcn.com> parents: 35294 diff changeset	196 entry = so->lookup(so, key, hash);
35581 37859c6ad5bb No longer ignore exceptions raised by comparisons during key lookup. Raymond Hettinger <python@rcn.com> parents: 35449 diff changeset	197 if (entry == NULL)
37859c6ad5bb No longer ignore exceptions raised by comparisons during key lookup. Raymond Hettinger <python@rcn.com> parents: 35449 diff changeset	198 return -1;
35295 f30ebdc3bddf Improve variable names. Raymond Hettinger <python@rcn.com> parents: 35294 diff changeset	199 if (entry->key == NULL) {
35292 35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	200 /* UNUSED */
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	201 so->fill++;
35295 f30ebdc3bddf Improve variable names. Raymond Hettinger <python@rcn.com> parents: 35294 diff changeset	202 entry->key = key;
f30ebdc3bddf Improve variable names. Raymond Hettinger <python@rcn.com> parents: 35294 diff changeset	203 entry->hash = hash;
35292 35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	204 so->used++;
35295 f30ebdc3bddf Improve variable names. Raymond Hettinger <python@rcn.com> parents: 35294 diff changeset	205 } else if (entry->key == dummy) {
35292 35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	206 /* DUMMY */
35295 f30ebdc3bddf Improve variable names. Raymond Hettinger <python@rcn.com> parents: 35294 diff changeset	207 entry->key = key;
f30ebdc3bddf Improve variable names. Raymond Hettinger <python@rcn.com> parents: 35294 diff changeset	208 entry->hash = hash;
35292 35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	209 so->used++;
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	210 Py_DECREF(dummy);
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	211 } else {
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	212 /* ACTIVE */
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	213 Py_DECREF(key);
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	214 }
35581 37859c6ad5bb No longer ignore exceptions raised by comparisons during key lookup. Raymond Hettinger <python@rcn.com> parents: 35449 diff changeset	215 return 0;
35292 35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	216 }
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	217
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	218 /*
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	219 Restructure the table by allocating a new table and reinserting all
35295 f30ebdc3bddf Improve variable names. Raymond Hettinger <python@rcn.com> parents: 35294 diff changeset	220 keys again. When entries have been deleted, the new table may
35292 35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	221 actually be smaller than the old one.
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	222 */
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	223 static int
38872 805f41881e27 Use Py_ssize_t Neal Norwitz <nnorwitz@gmail.com> parents: 37747 diff changeset	224 set_table_resize(PySetObject *so, Py_ssize_t minused)
35292 35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	225 {
38872 805f41881e27 Use Py_ssize_t Neal Norwitz <nnorwitz@gmail.com> parents: 37747 diff changeset	226 Py_ssize_t newsize;
35295 f30ebdc3bddf Improve variable names. Raymond Hettinger <python@rcn.com> parents: 35294 diff changeset	227 setentry oldtable, newtable, *entry;
38872 805f41881e27 Use Py_ssize_t Neal Norwitz <nnorwitz@gmail.com> parents: 37747 diff changeset	228 Py_ssize_t i;
35292 35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	229 int is_oldtable_malloced;
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	230 setentry small_copy[PySet_MINSIZE];
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	231
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	232 assert(minused >= 0);
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	233
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	234 /* Find the smallest table size > minused. */
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	235 for (newsize = PySet_MINSIZE;
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	236 newsize <= minused && newsize > 0;
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	237 newsize <<= 1)
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	238 ;
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	239 if (newsize <= 0) {
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	240 PyErr_NoMemory();
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	241 return -1;
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	242 }
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	243
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	244 /* Get space for a new table. */
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	245 oldtable = so->table;
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	246 assert(oldtable != NULL);
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	247 is_oldtable_malloced = oldtable != so->smalltable;
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	248
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	249 if (newsize == PySet_MINSIZE) {
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	250 /* A large table is shrinking, or we can't get any smaller. */
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	251 newtable = so->smalltable;
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	252 if (newtable == oldtable) {
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	253 if (so->fill == so->used) {
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	254 /* No dummies, so no point doing anything. */
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	255 return 0;
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	256 }
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	257 /* We're not going to resize it, but rebuild the
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	258 table anyway to purge old dummy entries.
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	259 Subtle: This is necessary if fill==size,
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	260 as set_lookkey needs at least one virgin slot to
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	261 terminate failing searches. If fill < size, it's
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	262 merely desirable, as dummies slow searches. */
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	263 assert(so->fill > so->used);
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	264 memcpy(small_copy, oldtable, sizeof(small_copy));
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	265 oldtable = small_copy;
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	266 }
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	267 }
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	268 else {
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	269 newtable = PyMem_NEW(setentry, newsize);
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	270 if (newtable == NULL) {
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	271 PyErr_NoMemory();
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	272 return -1;
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	273 }
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	274 }
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	275
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	276 /* Make the set empty, using the new table. */
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	277 assert(newtable != oldtable);
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	278 so->table = newtable;
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	279 so->mask = newsize - 1;
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	280 memset(newtable, 0, sizeof(setentry) * newsize);
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	281 so->used = 0;
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	282 i = so->fill;
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	283 so->fill = 0;
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	284
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	285 /* Copy the data over; this is refcount-neutral for active entries;
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	286 dummy entries aren't copied over, of course */
35295 f30ebdc3bddf Improve variable names. Raymond Hettinger <python@rcn.com> parents: 35294 diff changeset	287 for (entry = oldtable; i > 0; entry++) {
f30ebdc3bddf Improve variable names. Raymond Hettinger <python@rcn.com> parents: 35294 diff changeset	288 if (entry->key == NULL) {
35292 35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	289 /* UNUSED */
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	290 ;
35295 f30ebdc3bddf Improve variable names. Raymond Hettinger <python@rcn.com> parents: 35294 diff changeset	291 } else if (entry->key == dummy) {
35292 35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	292 /* DUMMY */
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	293 --i;
35295 f30ebdc3bddf Improve variable names. Raymond Hettinger <python@rcn.com> parents: 35294 diff changeset	294 assert(entry->key == dummy);
f30ebdc3bddf Improve variable names. Raymond Hettinger <python@rcn.com> parents: 35294 diff changeset	295 Py_DECREF(entry->key);
35292 35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	296 } else {
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	297 /* ACTIVE */
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	298 --i;
35581 37859c6ad5bb No longer ignore exceptions raised by comparisons during key lookup. Raymond Hettinger <python@rcn.com> parents: 35449 diff changeset	299 if(set_insert_key(so, entry->key, entry->hash) == -1) {
37859c6ad5bb No longer ignore exceptions raised by comparisons during key lookup. Raymond Hettinger <python@rcn.com> parents: 35449 diff changeset	300 if (is_oldtable_malloced)
37859c6ad5bb No longer ignore exceptions raised by comparisons during key lookup. Raymond Hettinger <python@rcn.com> parents: 35449 diff changeset	301 PyMem_DEL(oldtable);
37859c6ad5bb No longer ignore exceptions raised by comparisons during key lookup. Raymond Hettinger <python@rcn.com> parents: 35449 diff changeset	302 return -1;
37859c6ad5bb No longer ignore exceptions raised by comparisons during key lookup. Raymond Hettinger <python@rcn.com> parents: 35449 diff changeset	303 }
35292 35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	304 }
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	305 }
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	306
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	307 if (is_oldtable_malloced)
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	308 PyMem_DEL(oldtable);
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	309 return 0;
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	310 }
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	311
35328 0ef64a93f3f2 * Add short-circuit code for in-place operations with self (such as Raymond Hettinger <python@rcn.com> parents: 35321 diff changeset	312 /* CAUTION: set_add_key/entry() must guarantee it won't resize the table */
0ef64a93f3f2 * Add short-circuit code for in-place operations with self (such as Raymond Hettinger <python@rcn.com> parents: 35321 diff changeset	313
35292 35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	314 static int
35328 0ef64a93f3f2 * Add short-circuit code for in-place operations with self (such as Raymond Hettinger <python@rcn.com> parents: 35321 diff changeset	315 set_add_entry(register PySetObject so, setentry entry)
0ef64a93f3f2 * Add short-circuit code for in-place operations with self (such as Raymond Hettinger <python@rcn.com> parents: 35321 diff changeset	316 {
38872 805f41881e27 Use Py_ssize_t Neal Norwitz <nnorwitz@gmail.com> parents: 37747 diff changeset	317 register Py_ssize_t n_used;
35328 0ef64a93f3f2 * Add short-circuit code for in-place operations with self (such as Raymond Hettinger <python@rcn.com> parents: 35321 diff changeset	318
0ef64a93f3f2 * Add short-circuit code for in-place operations with self (such as Raymond Hettinger <python@rcn.com> parents: 35321 diff changeset	319 assert(so->fill <= so->mask); /* at least one empty slot */
0ef64a93f3f2 * Add short-circuit code for in-place operations with self (such as Raymond Hettinger <python@rcn.com> parents: 35321 diff changeset	320 n_used = so->used;
0ef64a93f3f2 * Add short-circuit code for in-place operations with self (such as Raymond Hettinger <python@rcn.com> parents: 35321 diff changeset	321 Py_INCREF(entry->key);
35581 37859c6ad5bb No longer ignore exceptions raised by comparisons during key lookup. Raymond Hettinger <python@rcn.com> parents: 35449 diff changeset	322 if (set_insert_key(so, entry->key, entry->hash) == -1)
37859c6ad5bb No longer ignore exceptions raised by comparisons during key lookup. Raymond Hettinger <python@rcn.com> parents: 35449 diff changeset	323 return -1;
35328 0ef64a93f3f2 * Add short-circuit code for in-place operations with self (such as Raymond Hettinger <python@rcn.com> parents: 35321 diff changeset	324 if (!(so->used > n_used && so->fill3 >= (so->mask+1)2))
0ef64a93f3f2 * Add short-circuit code for in-place operations with self (such as Raymond Hettinger <python@rcn.com> parents: 35321 diff changeset	325 return 0;
0ef64a93f3f2 * Add short-circuit code for in-place operations with self (such as Raymond Hettinger <python@rcn.com> parents: 35321 diff changeset	326 return set_table_resize(so, so->used>50000 ? so->used2 : so->used4);
0ef64a93f3f2 * Add short-circuit code for in-place operations with self (such as Raymond Hettinger <python@rcn.com> parents: 35321 diff changeset	327 }
0ef64a93f3f2 * Add short-circuit code for in-place operations with self (such as Raymond Hettinger <python@rcn.com> parents: 35321 diff changeset	328
0ef64a93f3f2 * Add short-circuit code for in-place operations with self (such as Raymond Hettinger <python@rcn.com> parents: 35321 diff changeset	329 static int
0ef64a93f3f2 * Add short-circuit code for in-place operations with self (such as Raymond Hettinger <python@rcn.com> parents: 35321 diff changeset	330 set_add_key(register PySetObject so, PyObject key)
35292 35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	331 {
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	332 register long hash;
38872 805f41881e27 Use Py_ssize_t Neal Norwitz <nnorwitz@gmail.com> parents: 37747 diff changeset	333 register Py_ssize_t n_used;
35292 35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	334
35328 0ef64a93f3f2 * Add short-circuit code for in-place operations with self (such as Raymond Hettinger <python@rcn.com> parents: 35321 diff changeset	335 if (!PyString_CheckExact(key) \|\|
0ef64a93f3f2 * Add short-circuit code for in-place operations with self (such as Raymond Hettinger <python@rcn.com> parents: 35321 diff changeset	336 (hash = ((PyStringObject *) key)->ob_shash) == -1) {
35292 35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	337 hash = PyObject_Hash(key);
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	338 if (hash == -1)
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	339 return -1;
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	340 }
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	341 assert(so->fill <= so->mask); /* at least one empty slot */
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	342 n_used = so->used;
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	343 Py_INCREF(key);
35581 37859c6ad5bb No longer ignore exceptions raised by comparisons during key lookup. Raymond Hettinger <python@rcn.com> parents: 35449 diff changeset	344 if (set_insert_key(so, key, hash) == -1) {
37859c6ad5bb No longer ignore exceptions raised by comparisons during key lookup. Raymond Hettinger <python@rcn.com> parents: 35449 diff changeset	345 Py_DECREF(key);
37859c6ad5bb No longer ignore exceptions raised by comparisons during key lookup. Raymond Hettinger <python@rcn.com> parents: 35449 diff changeset	346 return -1;
37859c6ad5bb No longer ignore exceptions raised by comparisons during key lookup. Raymond Hettinger <python@rcn.com> parents: 35449 diff changeset	347 }
35292 35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	348 if (!(so->used > n_used && so->fill3 >= (so->mask+1)2))
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	349 return 0;
35321 bdcb01a9b60c * Bring in INIT_NONZERO_SET_SLOTS macro from dictionary code. Raymond Hettinger <python@rcn.com> parents: 35317 diff changeset	350 return set_table_resize(so, so->used>50000 ? so->used2 : so->used4);
35292 35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	351 }
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	352
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	353 #define DISCARD_NOTFOUND 0
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	354 #define DISCARD_FOUND 1
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	355
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	356 static int
35328 0ef64a93f3f2 * Add short-circuit code for in-place operations with self (such as Raymond Hettinger <python@rcn.com> parents: 35321 diff changeset	357 set_discard_entry(PySetObject so, setentry oldentry)
0ef64a93f3f2 * Add short-circuit code for in-place operations with self (such as Raymond Hettinger <python@rcn.com> parents: 35321 diff changeset	358 { register setentry *entry;
0ef64a93f3f2 * Add short-circuit code for in-place operations with self (such as Raymond Hettinger <python@rcn.com> parents: 35321 diff changeset	359 PyObject *old_key;
0ef64a93f3f2 * Add short-circuit code for in-place operations with self (such as Raymond Hettinger <python@rcn.com> parents: 35321 diff changeset	360
0ef64a93f3f2 * Add short-circuit code for in-place operations with self (such as Raymond Hettinger <python@rcn.com> parents: 35321 diff changeset	361 entry = (so->lookup)(so, oldentry->key, oldentry->hash);
35581 37859c6ad5bb No longer ignore exceptions raised by comparisons during key lookup. Raymond Hettinger <python@rcn.com> parents: 35449 diff changeset	362 if (entry == NULL)
37859c6ad5bb No longer ignore exceptions raised by comparisons during key lookup. Raymond Hettinger <python@rcn.com> parents: 35449 diff changeset	363 return -1;
35328 0ef64a93f3f2 * Add short-circuit code for in-place operations with self (such as Raymond Hettinger <python@rcn.com> parents: 35321 diff changeset	364 if (entry->key == NULL \|\| entry->key == dummy)
0ef64a93f3f2 * Add short-circuit code for in-place operations with self (such as Raymond Hettinger <python@rcn.com> parents: 35321 diff changeset	365 return DISCARD_NOTFOUND;
0ef64a93f3f2 * Add short-circuit code for in-place operations with self (such as Raymond Hettinger <python@rcn.com> parents: 35321 diff changeset	366 old_key = entry->key;
0ef64a93f3f2 * Add short-circuit code for in-place operations with self (such as Raymond Hettinger <python@rcn.com> parents: 35321 diff changeset	367 Py_INCREF(dummy);
0ef64a93f3f2 * Add short-circuit code for in-place operations with self (such as Raymond Hettinger <python@rcn.com> parents: 35321 diff changeset	368 entry->key = dummy;
0ef64a93f3f2 * Add short-circuit code for in-place operations with self (such as Raymond Hettinger <python@rcn.com> parents: 35321 diff changeset	369 so->used--;
0ef64a93f3f2 * Add short-circuit code for in-place operations with self (such as Raymond Hettinger <python@rcn.com> parents: 35321 diff changeset	370 Py_DECREF(old_key);
0ef64a93f3f2 * Add short-circuit code for in-place operations with self (such as Raymond Hettinger <python@rcn.com> parents: 35321 diff changeset	371 return DISCARD_FOUND;
0ef64a93f3f2 * Add short-circuit code for in-place operations with self (such as Raymond Hettinger <python@rcn.com> parents: 35321 diff changeset	372 }
0ef64a93f3f2 * Add short-circuit code for in-place operations with self (such as Raymond Hettinger <python@rcn.com> parents: 35321 diff changeset	373
0ef64a93f3f2 * Add short-circuit code for in-place operations with self (such as Raymond Hettinger <python@rcn.com> parents: 35321 diff changeset	374 static int
0ef64a93f3f2 * Add short-circuit code for in-place operations with self (such as Raymond Hettinger <python@rcn.com> parents: 35321 diff changeset	375 set_discard_key(PySetObject so, PyObject key)
35292 35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	376 {
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	377 register long hash;
35295 f30ebdc3bddf Improve variable names. Raymond Hettinger <python@rcn.com> parents: 35294 diff changeset	378 register setentry *entry;
35292 35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	379 PyObject *old_key;
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	380
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	381 assert (PyAnySet_Check(so));
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	382 if (!PyString_CheckExact(key) \|\|
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	383 (hash = ((PyStringObject *) key)->ob_shash) == -1) {
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	384 hash = PyObject_Hash(key);
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	385 if (hash == -1)
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	386 return -1;
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	387 }
35295 f30ebdc3bddf Improve variable names. Raymond Hettinger <python@rcn.com> parents: 35294 diff changeset	388 entry = (so->lookup)(so, key, hash);
35581 37859c6ad5bb No longer ignore exceptions raised by comparisons during key lookup. Raymond Hettinger <python@rcn.com> parents: 35449 diff changeset	389 if (entry == NULL)
37859c6ad5bb No longer ignore exceptions raised by comparisons during key lookup. Raymond Hettinger <python@rcn.com> parents: 35449 diff changeset	390 return -1;
35295 f30ebdc3bddf Improve variable names. Raymond Hettinger <python@rcn.com> parents: 35294 diff changeset	391 if (entry->key == NULL \|\| entry->key == dummy)
35292 35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	392 return DISCARD_NOTFOUND;
35295 f30ebdc3bddf Improve variable names. Raymond Hettinger <python@rcn.com> parents: 35294 diff changeset	393 old_key = entry->key;
35292 35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	394 Py_INCREF(dummy);
35295 f30ebdc3bddf Improve variable names. Raymond Hettinger <python@rcn.com> parents: 35294 diff changeset	395 entry->key = dummy;
35292 35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	396 so->used--;
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	397 Py_DECREF(old_key);
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	398 return DISCARD_FOUND;
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	399 }
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	400
35315 a6cbfcd0e691 Factor away a redundant clear() function. Raymond Hettinger <python@rcn.com> parents: 35312 diff changeset	401 static int
35292 35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	402 set_clear_internal(PySetObject *so)
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	403 {
35295 f30ebdc3bddf Improve variable names. Raymond Hettinger <python@rcn.com> parents: 35294 diff changeset	404 setentry entry, table;
35292 35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	405 int table_is_malloced;
38872 805f41881e27 Use Py_ssize_t Neal Norwitz <nnorwitz@gmail.com> parents: 37747 diff changeset	406 Py_ssize_t fill;
35292 35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	407 setentry small_copy[PySet_MINSIZE];
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	408 #ifdef Py_DEBUG
38872 805f41881e27 Use Py_ssize_t Neal Norwitz <nnorwitz@gmail.com> parents: 37747 diff changeset	409 Py_ssize_t i, n;
35312 8aa9bd80286b * Improve a variable name: entry0 --> table. Raymond Hettinger <python@rcn.com> parents: 35311 diff changeset	410 assert (PyAnySet_Check(so));
35292 35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	411
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	412 n = so->mask + 1;
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	413 i = 0;
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	414 #endif
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	415
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	416 table = so->table;
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	417 assert(table != NULL);
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	418 table_is_malloced = table != so->smalltable;
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	419
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	420 /* This is delicate. During the process of clearing the set,
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	421 * decrefs can cause the set to mutate. To avoid fatal confusion
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	422 * (voice of experience), we have to make the set empty before
35315 a6cbfcd0e691 Factor away a redundant clear() function. Raymond Hettinger <python@rcn.com> parents: 35312 diff changeset	423 * clearing the slots, and never refer to anything via so->ref while
35292 35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	424 * clearing.
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	425 */
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	426 fill = so->fill;
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	427 if (table_is_malloced)
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	428 EMPTY_TO_MINSIZE(so);
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	429
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	430 else if (fill > 0) {
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	431 /* It's a small table with something that needs to be cleared.
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	432 * Afraid the only safe way is to copy the set entries into
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	433 * another small table first.
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	434 */
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	435 memcpy(small_copy, table, sizeof(small_copy));
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	436 table = small_copy;
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	437 EMPTY_TO_MINSIZE(so);
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	438 }
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	439 /* else it's a small table that's already empty */
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	440
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	441 /* Now we can finally clear things. If C had refcounts, we could
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	442 * assert that the refcount on table is 1 now, i.e. that this function
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	443 * has unique access to it, so decref side-effects can't alter it.
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	444 */
35295 f30ebdc3bddf Improve variable names. Raymond Hettinger <python@rcn.com> parents: 35294 diff changeset	445 for (entry = table; fill > 0; ++entry) {
35292 35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	446 #ifdef Py_DEBUG
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	447 assert(i < n);
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	448 ++i;
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	449 #endif
35295 f30ebdc3bddf Improve variable names. Raymond Hettinger <python@rcn.com> parents: 35294 diff changeset	450 if (entry->key) {
35292 35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	451 --fill;
35295 f30ebdc3bddf Improve variable names. Raymond Hettinger <python@rcn.com> parents: 35294 diff changeset	452 Py_DECREF(entry->key);
35292 35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	453 }
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	454 #ifdef Py_DEBUG
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	455 else
37219 d7a6ec9de887 Tighten an overbroad and misleading assertion. Raymond Hettinger <python@rcn.com> parents: 36833 diff changeset	456 assert(entry->key == NULL);
35292 35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	457 #endif
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	458 }
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	459
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	460 if (table_is_malloced)
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	461 PyMem_DEL(table);
35315 a6cbfcd0e691 Factor away a redundant clear() function. Raymond Hettinger <python@rcn.com> parents: 35312 diff changeset	462 return 0;
35292 35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	463 }
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	464
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	465 /*
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	466 * Iterate over a set table. Use like so:
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	467 *
38872 805f41881e27 Use Py_ssize_t Neal Norwitz <nnorwitz@gmail.com> parents: 37747 diff changeset	468 * Py_ssize_t pos;
35328 0ef64a93f3f2 * Add short-circuit code for in-place operations with self (such as Raymond Hettinger <python@rcn.com> parents: 35321 diff changeset	469 * setentry *entry;
35297 26bf6c27e9ce * Improve code for the empty frozenset singleton: Raymond Hettinger <python@rcn.com> parents: 35296 diff changeset	470 * pos = 0; # important! pos should not otherwise be changed by you
35328 0ef64a93f3f2 * Add short-circuit code for in-place operations with self (such as Raymond Hettinger <python@rcn.com> parents: 35321 diff changeset	471 * while (set_next(yourset, &pos, &entry)) {
0ef64a93f3f2 * Add short-circuit code for in-place operations with self (such as Raymond Hettinger <python@rcn.com> parents: 35321 diff changeset	472 * Refer to borrowed reference in entry->key.
35292 35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	473 * }
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	474 *
35328 0ef64a93f3f2 * Add short-circuit code for in-place operations with self (such as Raymond Hettinger <python@rcn.com> parents: 35321 diff changeset	475 * CAUTION: In general, it isn't safe to use set_next in a loop that
35292 35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	476 * mutates the table.
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	477 */
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	478 static int
36501 7fdc639bc5b4 Merge ssize_t branch. Martin v. Löwis <martin@v.loewis.de> parents: 36484 diff changeset	479 set_next(PySetObject so, Py_ssize_t pos_ptr, setentry **entry_ptr)
35292 35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	480 {
36501 7fdc639bc5b4 Merge ssize_t branch. Martin v. Löwis <martin@v.loewis.de> parents: 36484 diff changeset	481 Py_ssize_t i;
38872 805f41881e27 Use Py_ssize_t Neal Norwitz <nnorwitz@gmail.com> parents: 37747 diff changeset	482 Py_ssize_t mask;
35328 0ef64a93f3f2 * Add short-circuit code for in-place operations with self (such as Raymond Hettinger <python@rcn.com> parents: 35321 diff changeset	483 register setentry *table;
35292 35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	484
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	485 assert (PyAnySet_Check(so));
35328 0ef64a93f3f2 * Add short-circuit code for in-place operations with self (such as Raymond Hettinger <python@rcn.com> parents: 35321 diff changeset	486 i = *pos_ptr;
35349 6f1cd28d6b87 Results of a line-by-line comparison back to dictobject.c. Raymond Hettinger <python@rcn.com> parents: 35348 diff changeset	487 assert(i >= 0);
35328 0ef64a93f3f2 * Add short-circuit code for in-place operations with self (such as Raymond Hettinger <python@rcn.com> parents: 35321 diff changeset	488 table = so->table;
35292 35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	489 mask = so->mask;
35328 0ef64a93f3f2 * Add short-circuit code for in-place operations with self (such as Raymond Hettinger <python@rcn.com> parents: 35321 diff changeset	490 while (i <= mask && (table[i].key == NULL \|\| table[i].key == dummy))
35292 35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	491 i++;
35328 0ef64a93f3f2 * Add short-circuit code for in-place operations with self (such as Raymond Hettinger <python@rcn.com> parents: 35321 diff changeset	492 *pos_ptr = i+1;
35292 35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	493 if (i > mask)
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	494 return 0;
35349 6f1cd28d6b87 Results of a line-by-line comparison back to dictobject.c. Raymond Hettinger <python@rcn.com> parents: 35348 diff changeset	495 assert(table[i].key != NULL);
6f1cd28d6b87 Results of a line-by-line comparison back to dictobject.c. Raymond Hettinger <python@rcn.com> parents: 35348 diff changeset	496 *entry_ptr = &table[i];
35292 35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	497 return 1;
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	498 }
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	499
35349 6f1cd28d6b87 Results of a line-by-line comparison back to dictobject.c. Raymond Hettinger <python@rcn.com> parents: 35348 diff changeset	500 static void
6f1cd28d6b87 Results of a line-by-line comparison back to dictobject.c. Raymond Hettinger <python@rcn.com> parents: 35348 diff changeset	501 set_dealloc(PySetObject *so)
6f1cd28d6b87 Results of a line-by-line comparison back to dictobject.c. Raymond Hettinger <python@rcn.com> parents: 35348 diff changeset	502 {
6f1cd28d6b87 Results of a line-by-line comparison back to dictobject.c. Raymond Hettinger <python@rcn.com> parents: 35348 diff changeset	503 register setentry *entry;
38872 805f41881e27 Use Py_ssize_t Neal Norwitz <nnorwitz@gmail.com> parents: 37747 diff changeset	504 Py_ssize_t fill = so->fill;
35349 6f1cd28d6b87 Results of a line-by-line comparison back to dictobject.c. Raymond Hettinger <python@rcn.com> parents: 35348 diff changeset	505 PyObject_GC_UnTrack(so);
6f1cd28d6b87 Results of a line-by-line comparison back to dictobject.c. Raymond Hettinger <python@rcn.com> parents: 35348 diff changeset	506 Py_TRASHCAN_SAFE_BEGIN(so)
6f1cd28d6b87 Results of a line-by-line comparison back to dictobject.c. Raymond Hettinger <python@rcn.com> parents: 35348 diff changeset	507 if (so->weakreflist != NULL)
6f1cd28d6b87 Results of a line-by-line comparison back to dictobject.c. Raymond Hettinger <python@rcn.com> parents: 35348 diff changeset	508 PyObject_ClearWeakRefs((PyObject *) so);
6f1cd28d6b87 Results of a line-by-line comparison back to dictobject.c. Raymond Hettinger <python@rcn.com> parents: 35348 diff changeset	509
6f1cd28d6b87 Results of a line-by-line comparison back to dictobject.c. Raymond Hettinger <python@rcn.com> parents: 35348 diff changeset	510 for (entry = so->table; fill > 0; entry++) {
6f1cd28d6b87 Results of a line-by-line comparison back to dictobject.c. Raymond Hettinger <python@rcn.com> parents: 35348 diff changeset	511 if (entry->key) {
6f1cd28d6b87 Results of a line-by-line comparison back to dictobject.c. Raymond Hettinger <python@rcn.com> parents: 35348 diff changeset	512 --fill;
6f1cd28d6b87 Results of a line-by-line comparison back to dictobject.c. Raymond Hettinger <python@rcn.com> parents: 35348 diff changeset	513 Py_DECREF(entry->key);
6f1cd28d6b87 Results of a line-by-line comparison back to dictobject.c. Raymond Hettinger <python@rcn.com> parents: 35348 diff changeset	514 }
6f1cd28d6b87 Results of a line-by-line comparison back to dictobject.c. Raymond Hettinger <python@rcn.com> parents: 35348 diff changeset	515 }
6f1cd28d6b87 Results of a line-by-line comparison back to dictobject.c. Raymond Hettinger <python@rcn.com> parents: 35348 diff changeset	516 if (so->table != so->smalltable)
6f1cd28d6b87 Results of a line-by-line comparison back to dictobject.c. Raymond Hettinger <python@rcn.com> parents: 35348 diff changeset	517 PyMem_DEL(so->table);
6f1cd28d6b87 Results of a line-by-line comparison back to dictobject.c. Raymond Hettinger <python@rcn.com> parents: 35348 diff changeset	518 if (num_free_sets < MAXFREESETS && PyAnySet_CheckExact(so))
6f1cd28d6b87 Results of a line-by-line comparison back to dictobject.c. Raymond Hettinger <python@rcn.com> parents: 35348 diff changeset	519 free_sets[num_free_sets++] = so;
6f1cd28d6b87 Results of a line-by-line comparison back to dictobject.c. Raymond Hettinger <python@rcn.com> parents: 35348 diff changeset	520 else
6f1cd28d6b87 Results of a line-by-line comparison back to dictobject.c. Raymond Hettinger <python@rcn.com> parents: 35348 diff changeset	521 so->ob_type->tp_free(so);
6f1cd28d6b87 Results of a line-by-line comparison back to dictobject.c. Raymond Hettinger <python@rcn.com> parents: 35348 diff changeset	522 Py_TRASHCAN_SAFE_END(so)
6f1cd28d6b87 Results of a line-by-line comparison back to dictobject.c. Raymond Hettinger <python@rcn.com> parents: 35348 diff changeset	523 }
6f1cd28d6b87 Results of a line-by-line comparison back to dictobject.c. Raymond Hettinger <python@rcn.com> parents: 35348 diff changeset	524
6f1cd28d6b87 Results of a line-by-line comparison back to dictobject.c. Raymond Hettinger <python@rcn.com> parents: 35348 diff changeset	525 static int
6f1cd28d6b87 Results of a line-by-line comparison back to dictobject.c. Raymond Hettinger <python@rcn.com> parents: 35348 diff changeset	526 set_tp_print(PySetObject so, FILE fp, int flags)
6f1cd28d6b87 Results of a line-by-line comparison back to dictobject.c. Raymond Hettinger <python@rcn.com> parents: 35348 diff changeset	527 {
6f1cd28d6b87 Results of a line-by-line comparison back to dictobject.c. Raymond Hettinger <python@rcn.com> parents: 35348 diff changeset	528 setentry *entry;
36501 7fdc639bc5b4 Merge ssize_t branch. Martin v. Löwis <martin@v.loewis.de> parents: 36484 diff changeset	529 Py_ssize_t pos=0;
35349 6f1cd28d6b87 Results of a line-by-line comparison back to dictobject.c. Raymond Hettinger <python@rcn.com> parents: 35348 diff changeset	530 char emit = ""; / No separator emitted on first pass */
6f1cd28d6b87 Results of a line-by-line comparison back to dictobject.c. Raymond Hettinger <python@rcn.com> parents: 35348 diff changeset	531 char *separator = ", ";
6f1cd28d6b87 Results of a line-by-line comparison back to dictobject.c. Raymond Hettinger <python@rcn.com> parents: 35348 diff changeset	532
6f1cd28d6b87 Results of a line-by-line comparison back to dictobject.c. Raymond Hettinger <python@rcn.com> parents: 35348 diff changeset	533 fprintf(fp, "%s([", so->ob_type->tp_name);
6f1cd28d6b87 Results of a line-by-line comparison back to dictobject.c. Raymond Hettinger <python@rcn.com> parents: 35348 diff changeset	534 while (set_next(so, &pos, &entry)) {
6f1cd28d6b87 Results of a line-by-line comparison back to dictobject.c. Raymond Hettinger <python@rcn.com> parents: 35348 diff changeset	535 fputs(emit, fp);
6f1cd28d6b87 Results of a line-by-line comparison back to dictobject.c. Raymond Hettinger <python@rcn.com> parents: 35348 diff changeset	536 emit = separator;
6f1cd28d6b87 Results of a line-by-line comparison back to dictobject.c. Raymond Hettinger <python@rcn.com> parents: 35348 diff changeset	537 if (PyObject_Print(entry->key, fp, 0) != 0)
6f1cd28d6b87 Results of a line-by-line comparison back to dictobject.c. Raymond Hettinger <python@rcn.com> parents: 35348 diff changeset	538 return -1;
6f1cd28d6b87 Results of a line-by-line comparison back to dictobject.c. Raymond Hettinger <python@rcn.com> parents: 35348 diff changeset	539 }
6f1cd28d6b87 Results of a line-by-line comparison back to dictobject.c. Raymond Hettinger <python@rcn.com> parents: 35348 diff changeset	540 fputs("])", fp);
6f1cd28d6b87 Results of a line-by-line comparison back to dictobject.c. Raymond Hettinger <python@rcn.com> parents: 35348 diff changeset	541 return 0;
6f1cd28d6b87 Results of a line-by-line comparison back to dictobject.c. Raymond Hettinger <python@rcn.com> parents: 35348 diff changeset	542 }
6f1cd28d6b87 Results of a line-by-line comparison back to dictobject.c. Raymond Hettinger <python@rcn.com> parents: 35348 diff changeset	543
6f1cd28d6b87 Results of a line-by-line comparison back to dictobject.c. Raymond Hettinger <python@rcn.com> parents: 35348 diff changeset	544 static PyObject *
6f1cd28d6b87 Results of a line-by-line comparison back to dictobject.c. Raymond Hettinger <python@rcn.com> parents: 35348 diff changeset	545 set_repr(PySetObject *so)
6f1cd28d6b87 Results of a line-by-line comparison back to dictobject.c. Raymond Hettinger <python@rcn.com> parents: 35348 diff changeset	546 {
6f1cd28d6b87 Results of a line-by-line comparison back to dictobject.c. Raymond Hettinger <python@rcn.com> parents: 35348 diff changeset	547 PyObject keys, result, *listrepr;
6f1cd28d6b87 Results of a line-by-line comparison back to dictobject.c. Raymond Hettinger <python@rcn.com> parents: 35348 diff changeset	548
6f1cd28d6b87 Results of a line-by-line comparison back to dictobject.c. Raymond Hettinger <python@rcn.com> parents: 35348 diff changeset	549 keys = PySequence_List((PyObject *)so);
6f1cd28d6b87 Results of a line-by-line comparison back to dictobject.c. Raymond Hettinger <python@rcn.com> parents: 35348 diff changeset	550 if (keys == NULL)
6f1cd28d6b87 Results of a line-by-line comparison back to dictobject.c. Raymond Hettinger <python@rcn.com> parents: 35348 diff changeset	551 return NULL;
6f1cd28d6b87 Results of a line-by-line comparison back to dictobject.c. Raymond Hettinger <python@rcn.com> parents: 35348 diff changeset	552 listrepr = PyObject_Repr(keys);
6f1cd28d6b87 Results of a line-by-line comparison back to dictobject.c. Raymond Hettinger <python@rcn.com> parents: 35348 diff changeset	553 Py_DECREF(keys);
6f1cd28d6b87 Results of a line-by-line comparison back to dictobject.c. Raymond Hettinger <python@rcn.com> parents: 35348 diff changeset	554 if (listrepr == NULL)
6f1cd28d6b87 Results of a line-by-line comparison back to dictobject.c. Raymond Hettinger <python@rcn.com> parents: 35348 diff changeset	555 return NULL;
6f1cd28d6b87 Results of a line-by-line comparison back to dictobject.c. Raymond Hettinger <python@rcn.com> parents: 35348 diff changeset	556
6f1cd28d6b87 Results of a line-by-line comparison back to dictobject.c. Raymond Hettinger <python@rcn.com> parents: 35348 diff changeset	557 result = PyString_FromFormat("%s(%s)", so->ob_type->tp_name,
6f1cd28d6b87 Results of a line-by-line comparison back to dictobject.c. Raymond Hettinger <python@rcn.com> parents: 35348 diff changeset	558 PyString_AS_STRING(listrepr));
6f1cd28d6b87 Results of a line-by-line comparison back to dictobject.c. Raymond Hettinger <python@rcn.com> parents: 35348 diff changeset	559 Py_DECREF(listrepr);
6f1cd28d6b87 Results of a line-by-line comparison back to dictobject.c. Raymond Hettinger <python@rcn.com> parents: 35348 diff changeset	560 return result;
6f1cd28d6b87 Results of a line-by-line comparison back to dictobject.c. Raymond Hettinger <python@rcn.com> parents: 35348 diff changeset	561 }
6f1cd28d6b87 Results of a line-by-line comparison back to dictobject.c. Raymond Hettinger <python@rcn.com> parents: 35348 diff changeset	562
36501 7fdc639bc5b4 Merge ssize_t branch. Martin v. Löwis <martin@v.loewis.de> parents: 36484 diff changeset	563 static Py_ssize_t
35349 6f1cd28d6b87 Results of a line-by-line comparison back to dictobject.c. Raymond Hettinger <python@rcn.com> parents: 35348 diff changeset	564 set_len(PyObject *so)
6f1cd28d6b87 Results of a line-by-line comparison back to dictobject.c. Raymond Hettinger <python@rcn.com> parents: 35348 diff changeset	565 {
6f1cd28d6b87 Results of a line-by-line comparison back to dictobject.c. Raymond Hettinger <python@rcn.com> parents: 35348 diff changeset	566 return ((PySetObject *)so)->used;
6f1cd28d6b87 Results of a line-by-line comparison back to dictobject.c. Raymond Hettinger <python@rcn.com> parents: 35348 diff changeset	567 }
6f1cd28d6b87 Results of a line-by-line comparison back to dictobject.c. Raymond Hettinger <python@rcn.com> parents: 35348 diff changeset	568
35292 35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	569 static int
35328 0ef64a93f3f2 * Add short-circuit code for in-place operations with self (such as Raymond Hettinger <python@rcn.com> parents: 35321 diff changeset	570 set_merge(PySetObject so, PyObject otherset)
35292 35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	571 {
35297 26bf6c27e9ce * Improve code for the empty frozenset singleton: Raymond Hettinger <python@rcn.com> parents: 35296 diff changeset	572 PySetObject *other;
38872 805f41881e27 Use Py_ssize_t Neal Norwitz <nnorwitz@gmail.com> parents: 37747 diff changeset	573 register Py_ssize_t i;
35349 6f1cd28d6b87 Results of a line-by-line comparison back to dictobject.c. Raymond Hettinger <python@rcn.com> parents: 35348 diff changeset	574 register setentry *entry;
35292 35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	575
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	576 assert (PyAnySet_Check(so));
35295 f30ebdc3bddf Improve variable names. Raymond Hettinger <python@rcn.com> parents: 35294 diff changeset	577 assert (PyAnySet_Check(otherset));
35292 35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	578
35295 f30ebdc3bddf Improve variable names. Raymond Hettinger <python@rcn.com> parents: 35294 diff changeset	579 other = (PySetObject*)otherset;
35292 35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	580 if (other == so \|\| other->used == 0)
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	581 /* a.update(a) or a.update({}); nothing to do */
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	582 return 0;
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	583 /* Do one big resize at the start, rather than
35295 f30ebdc3bddf Improve variable names. Raymond Hettinger <python@rcn.com> parents: 35294 diff changeset	584 * incrementally resizing as we insert new keys. Expect
35292 35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	585 * that there will be no (or few) overlapping keys.
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	586 */
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	587 if ((so->fill + other->used)3 >= (so->mask+1)2) {
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	588 if (set_table_resize(so, (so->used + other->used)*2) != 0)
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	589 return -1;
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	590 }
35349 6f1cd28d6b87 Results of a line-by-line comparison back to dictobject.c. Raymond Hettinger <python@rcn.com> parents: 35348 diff changeset	591 for (i = 0; i <= other->mask; i++) {
6f1cd28d6b87 Results of a line-by-line comparison back to dictobject.c. Raymond Hettinger <python@rcn.com> parents: 35348 diff changeset	592 entry = &other->table[i];
35292 35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	593 if (entry->key != NULL &&
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	594 entry->key != dummy) {
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	595 Py_INCREF(entry->key);
35581 37859c6ad5bb No longer ignore exceptions raised by comparisons during key lookup. Raymond Hettinger <python@rcn.com> parents: 35449 diff changeset	596 if (set_insert_key(so, entry->key, entry->hash) == -1) {
37859c6ad5bb No longer ignore exceptions raised by comparisons during key lookup. Raymond Hettinger <python@rcn.com> parents: 35449 diff changeset	597 Py_DECREF(entry->key);
37859c6ad5bb No longer ignore exceptions raised by comparisons during key lookup. Raymond Hettinger <python@rcn.com> parents: 35449 diff changeset	598 return -1;
37859c6ad5bb No longer ignore exceptions raised by comparisons during key lookup. Raymond Hettinger <python@rcn.com> parents: 35449 diff changeset	599 }
35292 35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	600 }
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	601 }
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	602 return 0;
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	603 }
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	604
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	605 static int
35328 0ef64a93f3f2 * Add short-circuit code for in-place operations with self (such as Raymond Hettinger <python@rcn.com> parents: 35321 diff changeset	606 set_contains_key(PySetObject so, PyObject key)
35292 35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	607 {
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	608 long hash;
35581 37859c6ad5bb No longer ignore exceptions raised by comparisons during key lookup. Raymond Hettinger <python@rcn.com> parents: 35449 diff changeset	609 setentry *entry;
35292 35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	610
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	611 if (!PyString_CheckExact(key) \|\|
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	612 (hash = ((PyStringObject *) key)->ob_shash) == -1) {
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	613 hash = PyObject_Hash(key);
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	614 if (hash == -1)
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	615 return -1;
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	616 }
35581 37859c6ad5bb No longer ignore exceptions raised by comparisons during key lookup. Raymond Hettinger <python@rcn.com> parents: 35449 diff changeset	617 entry = (so->lookup)(so, key, hash);
37859c6ad5bb No longer ignore exceptions raised by comparisons during key lookup. Raymond Hettinger <python@rcn.com> parents: 35449 diff changeset	618 if (entry == NULL)
37859c6ad5bb No longer ignore exceptions raised by comparisons during key lookup. Raymond Hettinger <python@rcn.com> parents: 35449 diff changeset	619 return -1;
37859c6ad5bb No longer ignore exceptions raised by comparisons during key lookup. Raymond Hettinger <python@rcn.com> parents: 35449 diff changeset	620 key = entry->key;
35292 35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	621 return key != NULL && key != dummy;
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	622 }
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	623
35328 0ef64a93f3f2 * Add short-circuit code for in-place operations with self (such as Raymond Hettinger <python@rcn.com> parents: 35321 diff changeset	624 static int
0ef64a93f3f2 * Add short-circuit code for in-place operations with self (such as Raymond Hettinger <python@rcn.com> parents: 35321 diff changeset	625 set_contains_entry(PySetObject so, setentry entry)
0ef64a93f3f2 * Add short-circuit code for in-place operations with self (such as Raymond Hettinger <python@rcn.com> parents: 35321 diff changeset	626 {
0ef64a93f3f2 * Add short-circuit code for in-place operations with self (such as Raymond Hettinger <python@rcn.com> parents: 35321 diff changeset	627 PyObject *key;
35581 37859c6ad5bb No longer ignore exceptions raised by comparisons during key lookup. Raymond Hettinger <python@rcn.com> parents: 35449 diff changeset	628 setentry *lu_entry;
35328 0ef64a93f3f2 * Add short-circuit code for in-place operations with self (such as Raymond Hettinger <python@rcn.com> parents: 35321 diff changeset	629
35581 37859c6ad5bb No longer ignore exceptions raised by comparisons during key lookup. Raymond Hettinger <python@rcn.com> parents: 35449 diff changeset	630 lu_entry = (so->lookup)(so, entry->key, entry->hash);
37859c6ad5bb No longer ignore exceptions raised by comparisons during key lookup. Raymond Hettinger <python@rcn.com> parents: 35449 diff changeset	631 if (lu_entry == NULL)
37859c6ad5bb No longer ignore exceptions raised by comparisons during key lookup. Raymond Hettinger <python@rcn.com> parents: 35449 diff changeset	632 return -1;
37859c6ad5bb No longer ignore exceptions raised by comparisons during key lookup. Raymond Hettinger <python@rcn.com> parents: 35449 diff changeset	633 key = lu_entry->key;
35328 0ef64a93f3f2 * Add short-circuit code for in-place operations with self (such as Raymond Hettinger <python@rcn.com> parents: 35321 diff changeset	634 return key != NULL && key != dummy;
0ef64a93f3f2 * Add short-circuit code for in-place operations with self (such as Raymond Hettinger <python@rcn.com> parents: 35321 diff changeset	635 }
0ef64a93f3f2 * Add short-circuit code for in-place operations with self (such as Raymond Hettinger <python@rcn.com> parents: 35321 diff changeset	636
35341 f6b462d2a3a3 More function re-ordering (placing like functions together). Raymond Hettinger <python@rcn.com> parents: 35339 diff changeset	637 static PyObject *
f6b462d2a3a3 More function re-ordering (placing like functions together). Raymond Hettinger <python@rcn.com> parents: 35339 diff changeset	638 set_pop(PySetObject *so)
f6b462d2a3a3 More function re-ordering (placing like functions together). Raymond Hettinger <python@rcn.com> parents: 35339 diff changeset	639 {
38872 805f41881e27 Use Py_ssize_t Neal Norwitz <nnorwitz@gmail.com> parents: 37747 diff changeset	640 register Py_ssize_t i = 0;
35341 f6b462d2a3a3 More function re-ordering (placing like functions together). Raymond Hettinger <python@rcn.com> parents: 35339 diff changeset	641 register setentry *entry;
35349 6f1cd28d6b87 Results of a line-by-line comparison back to dictobject.c. Raymond Hettinger <python@rcn.com> parents: 35348 diff changeset	642 PyObject *key;
35341 f6b462d2a3a3 More function re-ordering (placing like functions together). Raymond Hettinger <python@rcn.com> parents: 35339 diff changeset	643
f6b462d2a3a3 More function re-ordering (placing like functions together). Raymond Hettinger <python@rcn.com> parents: 35339 diff changeset	644 assert (PyAnySet_Check(so));
f6b462d2a3a3 More function re-ordering (placing like functions together). Raymond Hettinger <python@rcn.com> parents: 35339 diff changeset	645 if (so->used == 0) {
f6b462d2a3a3 More function re-ordering (placing like functions together). Raymond Hettinger <python@rcn.com> parents: 35339 diff changeset	646 PyErr_SetString(PyExc_KeyError, "pop from an empty set");
f6b462d2a3a3 More function re-ordering (placing like functions together). Raymond Hettinger <python@rcn.com> parents: 35339 diff changeset	647 return NULL;
f6b462d2a3a3 More function re-ordering (placing like functions together). Raymond Hettinger <python@rcn.com> parents: 35339 diff changeset	648 }
f6b462d2a3a3 More function re-ordering (placing like functions together). Raymond Hettinger <python@rcn.com> parents: 35339 diff changeset	649
f6b462d2a3a3 More function re-ordering (placing like functions together). Raymond Hettinger <python@rcn.com> parents: 35339 diff changeset	650 /* Set entry to "the first" unused or dummy set entry. We abuse
f6b462d2a3a3 More function re-ordering (placing like functions together). Raymond Hettinger <python@rcn.com> parents: 35339 diff changeset	651 * the hash field of slot 0 to hold a search finger:
f6b462d2a3a3 More function re-ordering (placing like functions together). Raymond Hettinger <python@rcn.com> parents: 35339 diff changeset	652 * If slot 0 has a value, use slot 0.
f6b462d2a3a3 More function re-ordering (placing like functions together). Raymond Hettinger <python@rcn.com> parents: 35339 diff changeset	653 * Else slot 0 is being used to hold a search finger,
f6b462d2a3a3 More function re-ordering (placing like functions together). Raymond Hettinger <python@rcn.com> parents: 35339 diff changeset	654 * and we use its hash value as the first index to look.
f6b462d2a3a3 More function re-ordering (placing like functions together). Raymond Hettinger <python@rcn.com> parents: 35339 diff changeset	655 */
f6b462d2a3a3 More function re-ordering (placing like functions together). Raymond Hettinger <python@rcn.com> parents: 35339 diff changeset	656 entry = &so->table[0];
f6b462d2a3a3 More function re-ordering (placing like functions together). Raymond Hettinger <python@rcn.com> parents: 35339 diff changeset	657 if (entry->key == NULL \|\| entry->key == dummy) {
38872 805f41881e27 Use Py_ssize_t Neal Norwitz <nnorwitz@gmail.com> parents: 37747 diff changeset	658 i = entry->hash;
35341 f6b462d2a3a3 More function re-ordering (placing like functions together). Raymond Hettinger <python@rcn.com> parents: 35339 diff changeset	659 /* The hash field may be a real hash value, or it may be a
f6b462d2a3a3 More function re-ordering (placing like functions together). Raymond Hettinger <python@rcn.com> parents: 35339 diff changeset	660 * legit search finger, or it may be a once-legit search
f6b462d2a3a3 More function re-ordering (placing like functions together). Raymond Hettinger <python@rcn.com> parents: 35339 diff changeset	661 * finger that's out of bounds now because it wrapped around
f6b462d2a3a3 More function re-ordering (placing like functions together). Raymond Hettinger <python@rcn.com> parents: 35339 diff changeset	662 * or the table shrunk -- simply make sure it's in bounds now.
f6b462d2a3a3 More function re-ordering (placing like functions together). Raymond Hettinger <python@rcn.com> parents: 35339 diff changeset	663 */
f6b462d2a3a3 More function re-ordering (placing like functions together). Raymond Hettinger <python@rcn.com> parents: 35339 diff changeset	664 if (i > so->mask \|\| i < 1)
f6b462d2a3a3 More function re-ordering (placing like functions together). Raymond Hettinger <python@rcn.com> parents: 35339 diff changeset	665 i = 1; /* skip slot 0 */
f6b462d2a3a3 More function re-ordering (placing like functions together). Raymond Hettinger <python@rcn.com> parents: 35339 diff changeset	666 while ((entry = &so->table[i])->key == NULL \|\| entry->key==dummy) {
f6b462d2a3a3 More function re-ordering (placing like functions together). Raymond Hettinger <python@rcn.com> parents: 35339 diff changeset	667 i++;
f6b462d2a3a3 More function re-ordering (placing like functions together). Raymond Hettinger <python@rcn.com> parents: 35339 diff changeset	668 if (i > so->mask)
f6b462d2a3a3 More function re-ordering (placing like functions together). Raymond Hettinger <python@rcn.com> parents: 35339 diff changeset	669 i = 1;
f6b462d2a3a3 More function re-ordering (placing like functions together). Raymond Hettinger <python@rcn.com> parents: 35339 diff changeset	670 }
f6b462d2a3a3 More function re-ordering (placing like functions together). Raymond Hettinger <python@rcn.com> parents: 35339 diff changeset	671 }
f6b462d2a3a3 More function re-ordering (placing like functions together). Raymond Hettinger <python@rcn.com> parents: 35339 diff changeset	672 key = entry->key;
f6b462d2a3a3 More function re-ordering (placing like functions together). Raymond Hettinger <python@rcn.com> parents: 35339 diff changeset	673 Py_INCREF(dummy);
f6b462d2a3a3 More function re-ordering (placing like functions together). Raymond Hettinger <python@rcn.com> parents: 35339 diff changeset	674 entry->key = dummy;
f6b462d2a3a3 More function re-ordering (placing like functions together). Raymond Hettinger <python@rcn.com> parents: 35339 diff changeset	675 so->used--;
f6b462d2a3a3 More function re-ordering (placing like functions together). Raymond Hettinger <python@rcn.com> parents: 35339 diff changeset	676 so->table[0].hash = i + 1; /* next place to start */
f6b462d2a3a3 More function re-ordering (placing like functions together). Raymond Hettinger <python@rcn.com> parents: 35339 diff changeset	677 return key;
f6b462d2a3a3 More function re-ordering (placing like functions together). Raymond Hettinger <python@rcn.com> parents: 35339 diff changeset	678 }
f6b462d2a3a3 More function re-ordering (placing like functions together). Raymond Hettinger <python@rcn.com> parents: 35339 diff changeset	679
f6b462d2a3a3 More function re-ordering (placing like functions together). Raymond Hettinger <python@rcn.com> parents: 35339 diff changeset	680 PyDoc_STRVAR(pop_doc, "Remove and return an arbitrary set element.");
f6b462d2a3a3 More function re-ordering (placing like functions together). Raymond Hettinger <python@rcn.com> parents: 35339 diff changeset	681
f6b462d2a3a3 More function re-ordering (placing like functions together). Raymond Hettinger <python@rcn.com> parents: 35339 diff changeset	682 static int
35349 6f1cd28d6b87 Results of a line-by-line comparison back to dictobject.c. Raymond Hettinger <python@rcn.com> parents: 35348 diff changeset	683 set_traverse(PySetObject so, visitproc visit, void arg)
6f1cd28d6b87 Results of a line-by-line comparison back to dictobject.c. Raymond Hettinger <python@rcn.com> parents: 35348 diff changeset	684 {
36501 7fdc639bc5b4 Merge ssize_t branch. Martin v. Löwis <martin@v.loewis.de> parents: 36484 diff changeset	685 Py_ssize_t pos = 0;
35349 6f1cd28d6b87 Results of a line-by-line comparison back to dictobject.c. Raymond Hettinger <python@rcn.com> parents: 35348 diff changeset	686 setentry *entry;
6f1cd28d6b87 Results of a line-by-line comparison back to dictobject.c. Raymond Hettinger <python@rcn.com> parents: 35348 diff changeset	687
6f1cd28d6b87 Results of a line-by-line comparison back to dictobject.c. Raymond Hettinger <python@rcn.com> parents: 35348 diff changeset	688 while (set_next(so, &pos, &entry))
6f1cd28d6b87 Results of a line-by-line comparison back to dictobject.c. Raymond Hettinger <python@rcn.com> parents: 35348 diff changeset	689 Py_VISIT(entry->key);
6f1cd28d6b87 Results of a line-by-line comparison back to dictobject.c. Raymond Hettinger <python@rcn.com> parents: 35348 diff changeset	690 return 0;
6f1cd28d6b87 Results of a line-by-line comparison back to dictobject.c. Raymond Hettinger <python@rcn.com> parents: 35348 diff changeset	691 }
6f1cd28d6b87 Results of a line-by-line comparison back to dictobject.c. Raymond Hettinger <python@rcn.com> parents: 35348 diff changeset	692
6f1cd28d6b87 Results of a line-by-line comparison back to dictobject.c. Raymond Hettinger <python@rcn.com> parents: 35348 diff changeset	693 static long
6f1cd28d6b87 Results of a line-by-line comparison back to dictobject.c. Raymond Hettinger <python@rcn.com> parents: 35348 diff changeset	694 frozenset_hash(PyObject *self)
35341 f6b462d2a3a3 More function re-ordering (placing like functions together). Raymond Hettinger <python@rcn.com> parents: 35339 diff changeset	695 {
35349 6f1cd28d6b87 Results of a line-by-line comparison back to dictobject.c. Raymond Hettinger <python@rcn.com> parents: 35348 diff changeset	696 PySetObject so = (PySetObject )self;
6f1cd28d6b87 Results of a line-by-line comparison back to dictobject.c. Raymond Hettinger <python@rcn.com> parents: 35348 diff changeset	697 long h, hash = 1927868237L;
6f1cd28d6b87 Results of a line-by-line comparison back to dictobject.c. Raymond Hettinger <python@rcn.com> parents: 35348 diff changeset	698 setentry *entry;
36501 7fdc639bc5b4 Merge ssize_t branch. Martin v. Löwis <martin@v.loewis.de> parents: 36484 diff changeset	699 Py_ssize_t pos = 0;
35349 6f1cd28d6b87 Results of a line-by-line comparison back to dictobject.c. Raymond Hettinger <python@rcn.com> parents: 35348 diff changeset	700
6f1cd28d6b87 Results of a line-by-line comparison back to dictobject.c. Raymond Hettinger <python@rcn.com> parents: 35348 diff changeset	701 if (so->hash != -1)
6f1cd28d6b87 Results of a line-by-line comparison back to dictobject.c. Raymond Hettinger <python@rcn.com> parents: 35348 diff changeset	702 return so->hash;
6f1cd28d6b87 Results of a line-by-line comparison back to dictobject.c. Raymond Hettinger <python@rcn.com> parents: 35348 diff changeset	703
6f1cd28d6b87 Results of a line-by-line comparison back to dictobject.c. Raymond Hettinger <python@rcn.com> parents: 35348 diff changeset	704 hash *= PySet_GET_SIZE(self) + 1;
6f1cd28d6b87 Results of a line-by-line comparison back to dictobject.c. Raymond Hettinger <python@rcn.com> parents: 35348 diff changeset	705 while (set_next(so, &pos, &entry)) {
6f1cd28d6b87 Results of a line-by-line comparison back to dictobject.c. Raymond Hettinger <python@rcn.com> parents: 35348 diff changeset	706 /* Work to increase the bit dispersion for closely spaced hash
6f1cd28d6b87 Results of a line-by-line comparison back to dictobject.c. Raymond Hettinger <python@rcn.com> parents: 35348 diff changeset	707 values. The is important because some use cases have many
6f1cd28d6b87 Results of a line-by-line comparison back to dictobject.c. Raymond Hettinger <python@rcn.com> parents: 35348 diff changeset	708 combinations of a small number of elements with nearby
6f1cd28d6b87 Results of a line-by-line comparison back to dictobject.c. Raymond Hettinger <python@rcn.com> parents: 35348 diff changeset	709 hashes so that many distinct combinations collapse to only
6f1cd28d6b87 Results of a line-by-line comparison back to dictobject.c. Raymond Hettinger <python@rcn.com> parents: 35348 diff changeset	710 a handful of distinct hash values. */
6f1cd28d6b87 Results of a line-by-line comparison back to dictobject.c. Raymond Hettinger <python@rcn.com> parents: 35348 diff changeset	711 h = entry->hash;
6f1cd28d6b87 Results of a line-by-line comparison back to dictobject.c. Raymond Hettinger <python@rcn.com> parents: 35348 diff changeset	712 hash ^= (h ^ (h << 16) ^ 89869747L) * 3644798167u;
6f1cd28d6b87 Results of a line-by-line comparison back to dictobject.c. Raymond Hettinger <python@rcn.com> parents: 35348 diff changeset	713 }
6f1cd28d6b87 Results of a line-by-line comparison back to dictobject.c. Raymond Hettinger <python@rcn.com> parents: 35348 diff changeset	714 hash = hash * 69069L + 907133923L;
6f1cd28d6b87 Results of a line-by-line comparison back to dictobject.c. Raymond Hettinger <python@rcn.com> parents: 35348 diff changeset	715 if (hash == -1)
6f1cd28d6b87 Results of a line-by-line comparison back to dictobject.c. Raymond Hettinger <python@rcn.com> parents: 35348 diff changeset	716 hash = 590923713L;
6f1cd28d6b87 Results of a line-by-line comparison back to dictobject.c. Raymond Hettinger <python@rcn.com> parents: 35348 diff changeset	717 so->hash = hash;
6f1cd28d6b87 Results of a line-by-line comparison back to dictobject.c. Raymond Hettinger <python@rcn.com> parents: 35348 diff changeset	718 return hash;
6f1cd28d6b87 Results of a line-by-line comparison back to dictobject.c. Raymond Hettinger <python@rcn.com> parents: 35348 diff changeset	719 }
6f1cd28d6b87 Results of a line-by-line comparison back to dictobject.c. Raymond Hettinger <python@rcn.com> parents: 35348 diff changeset	720
6f1cd28d6b87 Results of a line-by-line comparison back to dictobject.c. Raymond Hettinger <python@rcn.com> parents: 35348 diff changeset	721 static long
6f1cd28d6b87 Results of a line-by-line comparison back to dictobject.c. Raymond Hettinger <python@rcn.com> parents: 35348 diff changeset	722 set_nohash(PyObject *self)
6f1cd28d6b87 Results of a line-by-line comparison back to dictobject.c. Raymond Hettinger <python@rcn.com> parents: 35348 diff changeset	723 {
6f1cd28d6b87 Results of a line-by-line comparison back to dictobject.c. Raymond Hettinger <python@rcn.com> parents: 35348 diff changeset	724 PyErr_SetString(PyExc_TypeError, "set objects are unhashable");
6f1cd28d6b87 Results of a line-by-line comparison back to dictobject.c. Raymond Hettinger <python@rcn.com> parents: 35348 diff changeset	725 return -1;
35341 f6b462d2a3a3 More function re-ordering (placing like functions together). Raymond Hettinger <python@rcn.com> parents: 35339 diff changeset	726 }
f6b462d2a3a3 More function re-ordering (placing like functions together). Raymond Hettinger <python@rcn.com> parents: 35339 diff changeset	727
35311 541bfbb10030 * Move copyright notice to top and indicate derivation from sets.py and Raymond Hettinger <python@rcn.com> parents: 35301 diff changeset	728 /*** Set iterator type *********************************************/
35292 35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	729
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	730 typedef struct {
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	731 PyObject_HEAD
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	732 PySetObject si_set; / Set to NULL when iterator is exhausted */
38872 805f41881e27 Use Py_ssize_t Neal Norwitz <nnorwitz@gmail.com> parents: 37747 diff changeset	733 Py_ssize_t si_used;
805f41881e27 Use Py_ssize_t Neal Norwitz <nnorwitz@gmail.com> parents: 37747 diff changeset	734 Py_ssize_t si_pos;
805f41881e27 Use Py_ssize_t Neal Norwitz <nnorwitz@gmail.com> parents: 37747 diff changeset	735 Py_ssize_t len;
35292 35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	736 } setiterobject;
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	737
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	738 static void
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	739 setiter_dealloc(setiterobject *si)
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	740 {
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	741 Py_XDECREF(si->si_set);
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	742 PyObject_Del(si);
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	743 }
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	744
35636 e22334b1da67 Convert iterator __len__() methods to a private API. Raymond Hettinger <python@rcn.com> parents: 35581 diff changeset	745 static PyObject *
35292 35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	746 setiter_len(setiterobject *si)
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	747 {
38872 805f41881e27 Use Py_ssize_t Neal Norwitz <nnorwitz@gmail.com> parents: 37747 diff changeset	748 Py_ssize_t len = 0;
35292 35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	749 if (si->si_set != NULL && si->si_used == si->si_set->used)
35636 e22334b1da67 Convert iterator __len__() methods to a private API. Raymond Hettinger <python@rcn.com> parents: 35581 diff changeset	750 len = si->len;
e22334b1da67 Convert iterator __len__() methods to a private API. Raymond Hettinger <python@rcn.com> parents: 35581 diff changeset	751 return PyInt_FromLong(len);
35292 35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	752 }
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	753
36484 20f75d5e79e9 Renamed _length_cue() to __length_hint__(). See: Armin Rigo <arigo@tunes.org> parents: 36244 diff changeset	754 PyDoc_STRVAR(length_hint_doc, "Private method returning an estimate of len(list(it)).");
35636 e22334b1da67 Convert iterator __len__() methods to a private API. Raymond Hettinger <python@rcn.com> parents: 35581 diff changeset	755
e22334b1da67 Convert iterator __len__() methods to a private API. Raymond Hettinger <python@rcn.com> parents: 35581 diff changeset	756 static PyMethodDef setiter_methods[] = {
36484 20f75d5e79e9 Renamed _length_cue() to __length_hint__(). See: Armin Rigo <arigo@tunes.org> parents: 36244 diff changeset	757 {"__length_hint__", (PyCFunction)setiter_len, METH_NOARGS, length_hint_doc},
35636 e22334b1da67 Convert iterator __len__() methods to a private API. Raymond Hettinger <python@rcn.com> parents: 35581 diff changeset	758 {NULL, NULL} /* sentinel */
35292 35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	759 };
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	760
35295 f30ebdc3bddf Improve variable names. Raymond Hettinger <python@rcn.com> parents: 35294 diff changeset	761 static PyObject setiter_iternext(setiterobject si)
35292 35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	762 {
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	763 PyObject *key;
38872 805f41881e27 Use Py_ssize_t Neal Norwitz <nnorwitz@gmail.com> parents: 37747 diff changeset	764 register Py_ssize_t i, mask;
35295 f30ebdc3bddf Improve variable names. Raymond Hettinger <python@rcn.com> parents: 35294 diff changeset	765 register setentry *entry;
f30ebdc3bddf Improve variable names. Raymond Hettinger <python@rcn.com> parents: 35294 diff changeset	766 PySetObject *so = si->si_set;
35292 35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	767
35295 f30ebdc3bddf Improve variable names. Raymond Hettinger <python@rcn.com> parents: 35294 diff changeset	768 if (so == NULL)
35292 35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	769 return NULL;
35295 f30ebdc3bddf Improve variable names. Raymond Hettinger <python@rcn.com> parents: 35294 diff changeset	770 assert (PyAnySet_Check(so));
35292 35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	771
35295 f30ebdc3bddf Improve variable names. Raymond Hettinger <python@rcn.com> parents: 35294 diff changeset	772 if (si->si_used != so->used) {
35292 35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	773 PyErr_SetString(PyExc_RuntimeError,
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	774 "Set changed size during iteration");
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	775 si->si_used = -1; /* Make this state sticky */
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	776 return NULL;
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	777 }
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	778
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	779 i = si->si_pos;
35349 6f1cd28d6b87 Results of a line-by-line comparison back to dictobject.c. Raymond Hettinger <python@rcn.com> parents: 35348 diff changeset	780 assert(i>=0);
35295 f30ebdc3bddf Improve variable names. Raymond Hettinger <python@rcn.com> parents: 35294 diff changeset	781 entry = so->table;
f30ebdc3bddf Improve variable names. Raymond Hettinger <python@rcn.com> parents: 35294 diff changeset	782 mask = so->mask;
f30ebdc3bddf Improve variable names. Raymond Hettinger <python@rcn.com> parents: 35294 diff changeset	783 while (i <= mask && (entry[i].key == NULL \|\| entry[i].key == dummy))
35292 35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	784 i++;
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	785 si->si_pos = i+1;
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	786 if (i > mask)
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	787 goto fail;
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	788 si->len--;
35295 f30ebdc3bddf Improve variable names. Raymond Hettinger <python@rcn.com> parents: 35294 diff changeset	789 key = entry[i].key;
35292 35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	790 Py_INCREF(key);
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	791 return key;
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	792
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	793 fail:
35295 f30ebdc3bddf Improve variable names. Raymond Hettinger <python@rcn.com> parents: 35294 diff changeset	794 Py_DECREF(so);
35292 35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	795 si->si_set = NULL;
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	796 return NULL;
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	797 }
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	798
35296 d91964f5fe0d Fix build on gcc: PySetIter_Type should be static in definition Hye-Shik Chang <hyeshik@gmail.com> parents: 35295 diff changeset	799 static PyTypeObject PySetIter_Type = {
35292 35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	800 PyObject_HEAD_INIT(&PyType_Type)
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	801 0, /* ob_size */
35295 f30ebdc3bddf Improve variable names. Raymond Hettinger <python@rcn.com> parents: 35294 diff changeset	802 "setiterator", /* tp_name */
35292 35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	803 sizeof(setiterobject), /* tp_basicsize */
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	804 0, /* tp_itemsize */
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	805 /* methods */
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	806 (destructor)setiter_dealloc, /* tp_dealloc */
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	807 0, /* tp_print */
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	808 0, /* tp_getattr */
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	809 0, /* tp_setattr */
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	810 0, /* tp_compare */
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	811 0, /* tp_repr */
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	812 0, /* tp_as_number */
35636 e22334b1da67 Convert iterator __len__() methods to a private API. Raymond Hettinger <python@rcn.com> parents: 35581 diff changeset	813 0, /* tp_as_sequence */
35292 35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	814 0, /* tp_as_mapping */
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	815 0, /* tp_hash */
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	816 0, /* tp_call */
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	817 0, /* tp_str */
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	818 PyObject_GenericGetAttr, /* tp_getattro */
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	819 0, /* tp_setattro */
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	820 0, /* tp_as_buffer */
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	821 Py_TPFLAGS_DEFAULT, /* tp_flags */
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	822 0, /* tp_doc */
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	823 0, /* tp_traverse */
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	824 0, /* tp_clear */
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	825 0, /* tp_richcompare */
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	826 0, /* tp_weaklistoffset */
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	827 PyObject_SelfIter, /* tp_iter */
35295 f30ebdc3bddf Improve variable names. Raymond Hettinger <python@rcn.com> parents: 35294 diff changeset	828 (iternextfunc)setiter_iternext, /* tp_iternext */
35636 e22334b1da67 Convert iterator __len__() methods to a private API. Raymond Hettinger <python@rcn.com> parents: 35581 diff changeset	829 setiter_methods, /* tp_methods */
e22334b1da67 Convert iterator __len__() methods to a private API. Raymond Hettinger <python@rcn.com> parents: 35581 diff changeset	830 0,
35292 35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	831 };
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	832
37602 ca95ad5b0fbc Remove "static forward" declaration. Move constructors Martin v. Löwis <martin@v.loewis.de> parents: 37315 diff changeset	833 static PyObject *
ca95ad5b0fbc Remove "static forward" declaration. Move constructors Martin v. Löwis <martin@v.loewis.de> parents: 37315 diff changeset	834 set_iter(PySetObject *so)
ca95ad5b0fbc Remove "static forward" declaration. Move constructors Martin v. Löwis <martin@v.loewis.de> parents: 37315 diff changeset	835 {
ca95ad5b0fbc Remove "static forward" declaration. Move constructors Martin v. Löwis <martin@v.loewis.de> parents: 37315 diff changeset	836 setiterobject *si = PyObject_New(setiterobject, &PySetIter_Type);
ca95ad5b0fbc Remove "static forward" declaration. Move constructors Martin v. Löwis <martin@v.loewis.de> parents: 37315 diff changeset	837 if (si == NULL)
ca95ad5b0fbc Remove "static forward" declaration. Move constructors Martin v. Löwis <martin@v.loewis.de> parents: 37315 diff changeset	838 return NULL;
ca95ad5b0fbc Remove "static forward" declaration. Move constructors Martin v. Löwis <martin@v.loewis.de> parents: 37315 diff changeset	839 Py_INCREF(so);
ca95ad5b0fbc Remove "static forward" declaration. Move constructors Martin v. Löwis <martin@v.loewis.de> parents: 37315 diff changeset	840 si->si_set = so;
ca95ad5b0fbc Remove "static forward" declaration. Move constructors Martin v. Löwis <martin@v.loewis.de> parents: 37315 diff changeset	841 si->si_used = so->used;
ca95ad5b0fbc Remove "static forward" declaration. Move constructors Martin v. Löwis <martin@v.loewis.de> parents: 37315 diff changeset	842 si->si_pos = 0;
ca95ad5b0fbc Remove "static forward" declaration. Move constructors Martin v. Löwis <martin@v.loewis.de> parents: 37315 diff changeset	843 si->len = so->used;
ca95ad5b0fbc Remove "static forward" declaration. Move constructors Martin v. Löwis <martin@v.loewis.de> parents: 37315 diff changeset	844 return (PyObject *)si;
ca95ad5b0fbc Remove "static forward" declaration. Move constructors Martin v. Löwis <martin@v.loewis.de> parents: 37315 diff changeset	845 }
ca95ad5b0fbc Remove "static forward" declaration. Move constructors Martin v. Löwis <martin@v.loewis.de> parents: 37315 diff changeset	846
35297 26bf6c27e9ce * Improve code for the empty frozenset singleton: Raymond Hettinger <python@rcn.com> parents: 35296 diff changeset	847 static int
26bf6c27e9ce * Improve code for the empty frozenset singleton: Raymond Hettinger <python@rcn.com> parents: 35296 diff changeset	848 set_update_internal(PySetObject so, PyObject other)
31015 8d413578eb1a Factor out more duplicate code. Raymond Hettinger <python@rcn.com> parents: 31012 diff changeset	849 {
35295 f30ebdc3bddf Improve variable names. Raymond Hettinger <python@rcn.com> parents: 35294 diff changeset	850 PyObject key, it;
31015 8d413578eb1a Factor out more duplicate code. Raymond Hettinger <python@rcn.com> parents: 31012 diff changeset	851
35297 26bf6c27e9ce * Improve code for the empty frozenset singleton: Raymond Hettinger <python@rcn.com> parents: 35296 diff changeset	852 if (PyAnySet_Check(other))
35328 0ef64a93f3f2 * Add short-circuit code for in-place operations with self (such as Raymond Hettinger <python@rcn.com> parents: 35321 diff changeset	853 return set_merge(so, other);
31015 8d413578eb1a Factor out more duplicate code. Raymond Hettinger <python@rcn.com> parents: 31012 diff changeset	854
35292 35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	855 if (PyDict_Check(other)) {
36244 e7880f4f53a4 Remove some shadowed variables Neal Norwitz <nnorwitz@gmail.com> parents: 35862 diff changeset	856 PyObject *value;
36501 7fdc639bc5b4 Merge ssize_t branch. Martin v. Löwis <martin@v.loewis.de> parents: 36484 diff changeset	857 Py_ssize_t pos = 0;
35295 f30ebdc3bddf Improve variable names. Raymond Hettinger <python@rcn.com> parents: 35294 diff changeset	858 while (PyDict_Next(other, &pos, &key, &value)) {
35328 0ef64a93f3f2 * Add short-circuit code for in-place operations with self (such as Raymond Hettinger <python@rcn.com> parents: 35321 diff changeset	859 if (set_add_key(so, key) == -1)
35297 26bf6c27e9ce * Improve code for the empty frozenset singleton: Raymond Hettinger <python@rcn.com> parents: 35296 diff changeset	860 return -1;
35292 35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	861 }
35297 26bf6c27e9ce * Improve code for the empty frozenset singleton: Raymond Hettinger <python@rcn.com> parents: 35296 diff changeset	862 return 0;
35292 35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	863 }
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	864
31015 8d413578eb1a Factor out more duplicate code. Raymond Hettinger <python@rcn.com> parents: 31012 diff changeset	865 it = PyObject_GetIter(other);
8d413578eb1a Factor out more duplicate code. Raymond Hettinger <python@rcn.com> parents: 31012 diff changeset	866 if (it == NULL)
35297 26bf6c27e9ce * Improve code for the empty frozenset singleton: Raymond Hettinger <python@rcn.com> parents: 35296 diff changeset	867 return -1;
31015 8d413578eb1a Factor out more duplicate code. Raymond Hettinger <python@rcn.com> parents: 31012 diff changeset	868
35295 f30ebdc3bddf Improve variable names. Raymond Hettinger <python@rcn.com> parents: 35294 diff changeset	869 while ((key = PyIter_Next(it)) != NULL) {
35328 0ef64a93f3f2 * Add short-circuit code for in-place operations with self (such as Raymond Hettinger <python@rcn.com> parents: 35321 diff changeset	870 if (set_add_key(so, key) == -1) {
31015 8d413578eb1a Factor out more duplicate code. Raymond Hettinger <python@rcn.com> parents: 31012 diff changeset	871 Py_DECREF(it);
35295 f30ebdc3bddf Improve variable names. Raymond Hettinger <python@rcn.com> parents: 35294 diff changeset	872 Py_DECREF(key);
35297 26bf6c27e9ce * Improve code for the empty frozenset singleton: Raymond Hettinger <python@rcn.com> parents: 35296 diff changeset	873 return -1;
31015 8d413578eb1a Factor out more duplicate code. Raymond Hettinger <python@rcn.com> parents: 31012 diff changeset	874 }
35295 f30ebdc3bddf Improve variable names. Raymond Hettinger <python@rcn.com> parents: 35294 diff changeset	875 Py_DECREF(key);
31015 8d413578eb1a Factor out more duplicate code. Raymond Hettinger <python@rcn.com> parents: 31012 diff changeset	876 }
8d413578eb1a Factor out more duplicate code. Raymond Hettinger <python@rcn.com> parents: 31012 diff changeset	877 Py_DECREF(it);
8d413578eb1a Factor out more duplicate code. Raymond Hettinger <python@rcn.com> parents: 31012 diff changeset	878 if (PyErr_Occurred())
35297 26bf6c27e9ce * Improve code for the empty frozenset singleton: Raymond Hettinger <python@rcn.com> parents: 35296 diff changeset	879 return -1;
26bf6c27e9ce * Improve code for the empty frozenset singleton: Raymond Hettinger <python@rcn.com> parents: 35296 diff changeset	880 return 0;
26bf6c27e9ce * Improve code for the empty frozenset singleton: Raymond Hettinger <python@rcn.com> parents: 35296 diff changeset	881 }
26bf6c27e9ce * Improve code for the empty frozenset singleton: Raymond Hettinger <python@rcn.com> parents: 35296 diff changeset	882
26bf6c27e9ce * Improve code for the empty frozenset singleton: Raymond Hettinger <python@rcn.com> parents: 35296 diff changeset	883 static PyObject *
26bf6c27e9ce * Improve code for the empty frozenset singleton: Raymond Hettinger <python@rcn.com> parents: 35296 diff changeset	884 set_update(PySetObject so, PyObject other)
26bf6c27e9ce * Improve code for the empty frozenset singleton: Raymond Hettinger <python@rcn.com> parents: 35296 diff changeset	885 {
26bf6c27e9ce * Improve code for the empty frozenset singleton: Raymond Hettinger <python@rcn.com> parents: 35296 diff changeset	886 if (set_update_internal(so, other) == -1)
31015 8d413578eb1a Factor out more duplicate code. Raymond Hettinger <python@rcn.com> parents: 31012 diff changeset	887 return NULL;
8d413578eb1a Factor out more duplicate code. Raymond Hettinger <python@rcn.com> parents: 31012 diff changeset	888 Py_RETURN_NONE;
8d413578eb1a Factor out more duplicate code. Raymond Hettinger <python@rcn.com> parents: 31012 diff changeset	889 }
8d413578eb1a Factor out more duplicate code. Raymond Hettinger <python@rcn.com> parents: 31012 diff changeset	890
8d413578eb1a Factor out more duplicate code. Raymond Hettinger <python@rcn.com> parents: 31012 diff changeset	891 PyDoc_STRVAR(update_doc,
8d413578eb1a Factor out more duplicate code. Raymond Hettinger <python@rcn.com> parents: 31012 diff changeset	892 "Update a set with the union of itself and another.");
8d413578eb1a Factor out more duplicate code. Raymond Hettinger <python@rcn.com> parents: 31012 diff changeset	893
8d413578eb1a Factor out more duplicate code. Raymond Hettinger <python@rcn.com> parents: 31012 diff changeset	894 static PyObject *
30929 54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	895 make_new_set(PyTypeObject type, PyObject iterable)
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	896 {
35292 35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	897 register PySetObject *so = NULL;
30929 54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	898
35292 35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	899 if (dummy == NULL) { /* Auto-initialize dummy */
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	900 dummy = PyString_FromString("<dummy key>");
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	901 if (dummy == NULL)
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	902 return NULL;
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	903 }
30929 54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	904
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	905 /* create PySetObject structure */
35321 bdcb01a9b60c * Bring in INIT_NONZERO_SET_SLOTS macro from dictionary code. Raymond Hettinger <python@rcn.com> parents: 35317 diff changeset	906 if (num_free_sets &&
bdcb01a9b60c * Bring in INIT_NONZERO_SET_SLOTS macro from dictionary code. Raymond Hettinger <python@rcn.com> parents: 35317 diff changeset	907 (type == &PySet_Type \|\| type == &PyFrozenSet_Type)) {
bdcb01a9b60c * Bring in INIT_NONZERO_SET_SLOTS macro from dictionary code. Raymond Hettinger <python@rcn.com> parents: 35317 diff changeset	908 so = free_sets[--num_free_sets];
bdcb01a9b60c * Bring in INIT_NONZERO_SET_SLOTS macro from dictionary code. Raymond Hettinger <python@rcn.com> parents: 35317 diff changeset	909 assert (so != NULL && PyAnySet_CheckExact(so));
bdcb01a9b60c * Bring in INIT_NONZERO_SET_SLOTS macro from dictionary code. Raymond Hettinger <python@rcn.com> parents: 35317 diff changeset	910 so->ob_type = type;
bdcb01a9b60c * Bring in INIT_NONZERO_SET_SLOTS macro from dictionary code. Raymond Hettinger <python@rcn.com> parents: 35317 diff changeset	911 _Py_NewReference((PyObject *)so);
bdcb01a9b60c * Bring in INIT_NONZERO_SET_SLOTS macro from dictionary code. Raymond Hettinger <python@rcn.com> parents: 35317 diff changeset	912 EMPTY_TO_MINSIZE(so);
bdcb01a9b60c * Bring in INIT_NONZERO_SET_SLOTS macro from dictionary code. Raymond Hettinger <python@rcn.com> parents: 35317 diff changeset	913 PyObject_GC_Track(so);
bdcb01a9b60c * Bring in INIT_NONZERO_SET_SLOTS macro from dictionary code. Raymond Hettinger <python@rcn.com> parents: 35317 diff changeset	914 } else {
bdcb01a9b60c * Bring in INIT_NONZERO_SET_SLOTS macro from dictionary code. Raymond Hettinger <python@rcn.com> parents: 35317 diff changeset	915 so = (PySetObject *)type->tp_alloc(type, 0);
bdcb01a9b60c * Bring in INIT_NONZERO_SET_SLOTS macro from dictionary code. Raymond Hettinger <python@rcn.com> parents: 35317 diff changeset	916 if (so == NULL)
bdcb01a9b60c * Bring in INIT_NONZERO_SET_SLOTS macro from dictionary code. Raymond Hettinger <python@rcn.com> parents: 35317 diff changeset	917 return NULL;
bdcb01a9b60c * Bring in INIT_NONZERO_SET_SLOTS macro from dictionary code. Raymond Hettinger <python@rcn.com> parents: 35317 diff changeset	918 /* tp_alloc has already zeroed the structure */
bdcb01a9b60c * Bring in INIT_NONZERO_SET_SLOTS macro from dictionary code. Raymond Hettinger <python@rcn.com> parents: 35317 diff changeset	919 assert(so->table == NULL && so->fill == 0 && so->used == 0);
bdcb01a9b60c * Bring in INIT_NONZERO_SET_SLOTS macro from dictionary code. Raymond Hettinger <python@rcn.com> parents: 35317 diff changeset	920 INIT_NONZERO_SET_SLOTS(so);
bdcb01a9b60c * Bring in INIT_NONZERO_SET_SLOTS macro from dictionary code. Raymond Hettinger <python@rcn.com> parents: 35317 diff changeset	921 }
35292 35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	922
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	923 so->lookup = set_lookkey_string;
32158 679e5c8effae Make sets and deques weak referencable. Raymond Hettinger <python@rcn.com> parents: 31628 diff changeset	924 so->weakreflist = NULL;
30929 54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	925
31015 8d413578eb1a Factor out more duplicate code. Raymond Hettinger <python@rcn.com> parents: 31012 diff changeset	926 if (iterable != NULL) {
35297 26bf6c27e9ce * Improve code for the empty frozenset singleton: Raymond Hettinger <python@rcn.com> parents: 35296 diff changeset	927 if (set_update_internal(so, iterable) == -1) {
31015 8d413578eb1a Factor out more duplicate code. Raymond Hettinger <python@rcn.com> parents: 31012 diff changeset	928 Py_DECREF(so);
8d413578eb1a Factor out more duplicate code. Raymond Hettinger <python@rcn.com> parents: 31012 diff changeset	929 return NULL;
8d413578eb1a Factor out more duplicate code. Raymond Hettinger <python@rcn.com> parents: 31012 diff changeset	930 }
8d413578eb1a Factor out more duplicate code. Raymond Hettinger <python@rcn.com> parents: 31012 diff changeset	931 }
8d413578eb1a Factor out more duplicate code. Raymond Hettinger <python@rcn.com> parents: 31012 diff changeset	932
30929 54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	933 return (PyObject *)so;
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	934 }
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	935
35297 26bf6c27e9ce * Improve code for the empty frozenset singleton: Raymond Hettinger <python@rcn.com> parents: 35296 diff changeset	936 /* The empty frozenset is a singleton */
26bf6c27e9ce * Improve code for the empty frozenset singleton: Raymond Hettinger <python@rcn.com> parents: 35296 diff changeset	937 static PyObject *emptyfrozenset = NULL;
26bf6c27e9ce * Improve code for the empty frozenset singleton: Raymond Hettinger <python@rcn.com> parents: 35296 diff changeset	938
30929 54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	939 static PyObject *
30931 fa6e8d4f88c6 Various fixups (most suggested by Armin Rigo). Raymond Hettinger <python@rcn.com> parents: 30930 diff changeset	940 frozenset_new(PyTypeObject type, PyObject args, PyObject *kwds)
30929 54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	941 {
35297 26bf6c27e9ce * Improve code for the empty frozenset singleton: Raymond Hettinger <python@rcn.com> parents: 35296 diff changeset	942 PyObject iterable = NULL, result;
30929 54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	943
35449 1fdfd0130e28 Disallow keyword arguments for type constructors that don't use them. Georg Brandl <georg@python.org> parents: 35398 diff changeset	944 if (!_PyArg_NoKeywords("frozenset()", kwds))
1fdfd0130e28 Disallow keyword arguments for type constructors that don't use them. Georg Brandl <georg@python.org> parents: 35398 diff changeset	945 return NULL;
1fdfd0130e28 Disallow keyword arguments for type constructors that don't use them. Georg Brandl <georg@python.org> parents: 35398 diff changeset	946
30929 54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	947 if (!PyArg_UnpackTuple(args, type->tp_name, 0, 1, &iterable))
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	948 return NULL;
35297 26bf6c27e9ce * Improve code for the empty frozenset singleton: Raymond Hettinger <python@rcn.com> parents: 35296 diff changeset	949
26bf6c27e9ce * Improve code for the empty frozenset singleton: Raymond Hettinger <python@rcn.com> parents: 35296 diff changeset	950 if (type != &PyFrozenSet_Type)
26bf6c27e9ce * Improve code for the empty frozenset singleton: Raymond Hettinger <python@rcn.com> parents: 35296 diff changeset	951 return make_new_set(type, iterable);
26bf6c27e9ce * Improve code for the empty frozenset singleton: Raymond Hettinger <python@rcn.com> parents: 35296 diff changeset	952
26bf6c27e9ce * Improve code for the empty frozenset singleton: Raymond Hettinger <python@rcn.com> parents: 35296 diff changeset	953 if (iterable != NULL) {
26bf6c27e9ce * Improve code for the empty frozenset singleton: Raymond Hettinger <python@rcn.com> parents: 35296 diff changeset	954 /* frozenset(f) is idempotent */
26bf6c27e9ce * Improve code for the empty frozenset singleton: Raymond Hettinger <python@rcn.com> parents: 35296 diff changeset	955 if (PyFrozenSet_CheckExact(iterable)) {
26bf6c27e9ce * Improve code for the empty frozenset singleton: Raymond Hettinger <python@rcn.com> parents: 35296 diff changeset	956 Py_INCREF(iterable);
26bf6c27e9ce * Improve code for the empty frozenset singleton: Raymond Hettinger <python@rcn.com> parents: 35296 diff changeset	957 return iterable;
35292 35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	958 }
35297 26bf6c27e9ce * Improve code for the empty frozenset singleton: Raymond Hettinger <python@rcn.com> parents: 35296 diff changeset	959 result = make_new_set(type, iterable);
35346 dd2357953fe3 Add a C API for sets and frozensets. Raymond Hettinger <python@rcn.com> parents: 35341 diff changeset	960 if (result == NULL \|\| PySet_GET_SIZE(result))
35297 26bf6c27e9ce * Improve code for the empty frozenset singleton: Raymond Hettinger <python@rcn.com> parents: 35296 diff changeset	961 return result;
26bf6c27e9ce * Improve code for the empty frozenset singleton: Raymond Hettinger <python@rcn.com> parents: 35296 diff changeset	962 Py_DECREF(result);
31004 5b77bc4d25b1 * Simplify hash function and add test to show effectiveness of the hash Raymond Hettinger <python@rcn.com> parents: 31002 diff changeset	963 }
35297 26bf6c27e9ce * Improve code for the empty frozenset singleton: Raymond Hettinger <python@rcn.com> parents: 35296 diff changeset	964 /* The empty frozenset is a singleton */
26bf6c27e9ce * Improve code for the empty frozenset singleton: Raymond Hettinger <python@rcn.com> parents: 35296 diff changeset	965 if (emptyfrozenset == NULL)
26bf6c27e9ce * Improve code for the empty frozenset singleton: Raymond Hettinger <python@rcn.com> parents: 35296 diff changeset	966 emptyfrozenset = make_new_set(type, NULL);
26bf6c27e9ce * Improve code for the empty frozenset singleton: Raymond Hettinger <python@rcn.com> parents: 35296 diff changeset	967 Py_XINCREF(emptyfrozenset);
26bf6c27e9ce * Improve code for the empty frozenset singleton: Raymond Hettinger <python@rcn.com> parents: 35296 diff changeset	968 return emptyfrozenset;
26bf6c27e9ce * Improve code for the empty frozenset singleton: Raymond Hettinger <python@rcn.com> parents: 35296 diff changeset	969 }
26bf6c27e9ce * Improve code for the empty frozenset singleton: Raymond Hettinger <python@rcn.com> parents: 35296 diff changeset	970
26bf6c27e9ce * Improve code for the empty frozenset singleton: Raymond Hettinger <python@rcn.com> parents: 35296 diff changeset	971 void
26bf6c27e9ce * Improve code for the empty frozenset singleton: Raymond Hettinger <python@rcn.com> parents: 35296 diff changeset	972 PySet_Fini(void)
26bf6c27e9ce * Improve code for the empty frozenset singleton: Raymond Hettinger <python@rcn.com> parents: 35296 diff changeset	973 {
35321 bdcb01a9b60c * Bring in INIT_NONZERO_SET_SLOTS macro from dictionary code. Raymond Hettinger <python@rcn.com> parents: 35317 diff changeset	974 PySetObject *so;
bdcb01a9b60c * Bring in INIT_NONZERO_SET_SLOTS macro from dictionary code. Raymond Hettinger <python@rcn.com> parents: 35317 diff changeset	975
bdcb01a9b60c * Bring in INIT_NONZERO_SET_SLOTS macro from dictionary code. Raymond Hettinger <python@rcn.com> parents: 35317 diff changeset	976 while (num_free_sets) {
bdcb01a9b60c * Bring in INIT_NONZERO_SET_SLOTS macro from dictionary code. Raymond Hettinger <python@rcn.com> parents: 35317 diff changeset	977 num_free_sets--;
bdcb01a9b60c * Bring in INIT_NONZERO_SET_SLOTS macro from dictionary code. Raymond Hettinger <python@rcn.com> parents: 35317 diff changeset	978 so = free_sets[num_free_sets];
bdcb01a9b60c * Bring in INIT_NONZERO_SET_SLOTS macro from dictionary code. Raymond Hettinger <python@rcn.com> parents: 35317 diff changeset	979 PyObject_GC_Del(so);
bdcb01a9b60c * Bring in INIT_NONZERO_SET_SLOTS macro from dictionary code. Raymond Hettinger <python@rcn.com> parents: 35317 diff changeset	980 }
37747 a5902e0ec07c Clear dummy and emptyfrozenset, so that we don't have Martin v. Löwis <martin@v.loewis.de> parents: 37638 diff changeset	981 Py_CLEAR(dummy);
a5902e0ec07c Clear dummy and emptyfrozenset, so that we don't have Martin v. Löwis <martin@v.loewis.de> parents: 37638 diff changeset	982 Py_CLEAR(emptyfrozenset);
30929 54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	983 }
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	984
30931 fa6e8d4f88c6 Various fixups (most suggested by Armin Rigo). Raymond Hettinger <python@rcn.com> parents: 30930 diff changeset	985 static PyObject *
fa6e8d4f88c6 Various fixups (most suggested by Armin Rigo). Raymond Hettinger <python@rcn.com> parents: 30930 diff changeset	986 set_new(PyTypeObject type, PyObject args, PyObject *kwds)
fa6e8d4f88c6 Various fixups (most suggested by Armin Rigo). Raymond Hettinger <python@rcn.com> parents: 30930 diff changeset	987 {
35449 1fdfd0130e28 Disallow keyword arguments for type constructors that don't use them. Georg Brandl <georg@python.org> parents: 35398 diff changeset	988 if (!_PyArg_NoKeywords("set()", kwds))
1fdfd0130e28 Disallow keyword arguments for type constructors that don't use them. Georg Brandl <georg@python.org> parents: 35398 diff changeset	989 return NULL;
1fdfd0130e28 Disallow keyword arguments for type constructors that don't use them. Georg Brandl <georg@python.org> parents: 35398 diff changeset	990
30931 fa6e8d4f88c6 Various fixups (most suggested by Armin Rigo). Raymond Hettinger <python@rcn.com> parents: 30930 diff changeset	991 return make_new_set(type, NULL);
fa6e8d4f88c6 Various fixups (most suggested by Armin Rigo). Raymond Hettinger <python@rcn.com> parents: 30930 diff changeset	992 }
fa6e8d4f88c6 Various fixups (most suggested by Armin Rigo). Raymond Hettinger <python@rcn.com> parents: 30930 diff changeset	993
35293 8fffb4c95487 Comment on the set_swap_bodies() helper function. Raymond Hettinger <python@rcn.com> parents: 35292 diff changeset	994 /* set_swap_bodies() switches the contents of any two sets by moving their
8fffb4c95487 Comment on the set_swap_bodies() helper function. Raymond Hettinger <python@rcn.com> parents: 35292 diff changeset	995 internal data pointers and, if needed, copying the internal smalltables.
8fffb4c95487 Comment on the set_swap_bodies() helper function. Raymond Hettinger <python@rcn.com> parents: 35292 diff changeset	996 Semantically equivalent to:
8fffb4c95487 Comment on the set_swap_bodies() helper function. Raymond Hettinger <python@rcn.com> parents: 35292 diff changeset	997
8fffb4c95487 Comment on the set_swap_bodies() helper function. Raymond Hettinger <python@rcn.com> parents: 35292 diff changeset	998 t=set(a); a.clear(); a.update(b); b.clear(); b.update(t); del t
8fffb4c95487 Comment on the set_swap_bodies() helper function. Raymond Hettinger <python@rcn.com> parents: 35292 diff changeset	999
8fffb4c95487 Comment on the set_swap_bodies() helper function. Raymond Hettinger <python@rcn.com> parents: 35292 diff changeset	1000 The function always succeeds and it leaves both objects in a stable state.
8fffb4c95487 Comment on the set_swap_bodies() helper function. Raymond Hettinger <python@rcn.com> parents: 35292 diff changeset	1001 Useful for creating temporary frozensets from sets for membership testing
8fffb4c95487 Comment on the set_swap_bodies() helper function. Raymond Hettinger <python@rcn.com> parents: 35292 diff changeset	1002 in __contains__(), discard(), and remove(). Also useful for operations
8fffb4c95487 Comment on the set_swap_bodies() helper function. Raymond Hettinger <python@rcn.com> parents: 35292 diff changeset	1003 that update in-place (by allowing an intermediate result to be swapped
35294 3f1b48f9ff0d Fix frozenset() ref count and a comment typo. Raymond Hettinger <python@rcn.com> parents: 35293 diff changeset	1004 into one of the original inputs).
35293 8fffb4c95487 Comment on the set_swap_bodies() helper function. Raymond Hettinger <python@rcn.com> parents: 35292 diff changeset	1005 */
8fffb4c95487 Comment on the set_swap_bodies() helper function. Raymond Hettinger <python@rcn.com> parents: 35292 diff changeset	1006
35292 35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	1007 static void
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	1008 set_swap_bodies(PySetObject a, PySetObject b)
30929 54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1009 {
38872 805f41881e27 Use Py_ssize_t Neal Norwitz <nnorwitz@gmail.com> parents: 37747 diff changeset	1010 Py_ssize_t t;
35292 35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	1011 setentry *u;
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	1012 setentry (f)(PySetObject so, PyObject key, long hash);
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	1013 setentry tab[PySet_MINSIZE];
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	1014 long h;
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	1015
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	1016 t = a->fill; a->fill = b->fill; b->fill = t;
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	1017 t = a->used; a->used = b->used; b->used = t;
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	1018 t = a->mask; a->mask = b->mask; b->mask = t;
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	1019
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	1020 u = a->table;
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	1021 if (a->table == a->smalltable)
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	1022 u = b->smalltable;
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	1023 a->table = b->table;
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	1024 if (b->table == b->smalltable)
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	1025 a->table = a->smalltable;
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	1026 b->table = u;
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	1027
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	1028 f = a->lookup; a->lookup = b->lookup; b->lookup = f;
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	1029
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	1030 if (a->table == a->smalltable \|\| b->table == b->smalltable) {
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	1031 memcpy(tab, a->smalltable, sizeof(tab));
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	1032 memcpy(a->smalltable, b->smalltable, sizeof(tab));
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	1033 memcpy(b->smalltable, tab, sizeof(tab));
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	1034 }
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	1035
35312 8aa9bd80286b * Improve a variable name: entry0 --> table. Raymond Hettinger <python@rcn.com> parents: 35311 diff changeset	1036 if (PyType_IsSubtype(a->ob_type, &PyFrozenSet_Type) &&
8aa9bd80286b * Improve a variable name: entry0 --> table. Raymond Hettinger <python@rcn.com> parents: 35311 diff changeset	1037 PyType_IsSubtype(b->ob_type, &PyFrozenSet_Type)) {
8aa9bd80286b * Improve a variable name: entry0 --> table. Raymond Hettinger <python@rcn.com> parents: 35311 diff changeset	1038 h = a->hash; a->hash = b->hash; b->hash = h;
8aa9bd80286b * Improve a variable name: entry0 --> table. Raymond Hettinger <python@rcn.com> parents: 35311 diff changeset	1039 } else {
8aa9bd80286b * Improve a variable name: entry0 --> table. Raymond Hettinger <python@rcn.com> parents: 35311 diff changeset	1040 a->hash = -1;
8aa9bd80286b * Improve a variable name: entry0 --> table. Raymond Hettinger <python@rcn.com> parents: 35311 diff changeset	1041 b->hash = -1;
8aa9bd80286b * Improve a variable name: entry0 --> table. Raymond Hettinger <python@rcn.com> parents: 35311 diff changeset	1042 }
30929 54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1043 }
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1044
31172 e4fb6164158c * Added a new method flag, METH_COEXIST. Raymond Hettinger <python@rcn.com> parents: 31019 diff changeset	1045 static PyObject *
30929 54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1046 set_copy(PySetObject *so)
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1047 {
31015 8d413578eb1a Factor out more duplicate code. Raymond Hettinger <python@rcn.com> parents: 31012 diff changeset	1048 return make_new_set(so->ob_type, (PyObject *)so);
30929 54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1049 }
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1050
31004 5b77bc4d25b1 * Simplify hash function and add test to show effectiveness of the hash Raymond Hettinger <python@rcn.com> parents: 31002 diff changeset	1051 static PyObject *
5b77bc4d25b1 * Simplify hash function and add test to show effectiveness of the hash Raymond Hettinger <python@rcn.com> parents: 31002 diff changeset	1052 frozenset_copy(PySetObject *so)
5b77bc4d25b1 * Simplify hash function and add test to show effectiveness of the hash Raymond Hettinger <python@rcn.com> parents: 31002 diff changeset	1053 {
31008 4224d807911c * Checkin remaining documentation Raymond Hettinger <python@rcn.com> parents: 31004 diff changeset	1054 if (PyFrozenSet_CheckExact(so)) {
31004 5b77bc4d25b1 * Simplify hash function and add test to show effectiveness of the hash Raymond Hettinger <python@rcn.com> parents: 31002 diff changeset	1055 Py_INCREF(so);
5b77bc4d25b1 * Simplify hash function and add test to show effectiveness of the hash Raymond Hettinger <python@rcn.com> parents: 31002 diff changeset	1056 return (PyObject *)so;
5b77bc4d25b1 * Simplify hash function and add test to show effectiveness of the hash Raymond Hettinger <python@rcn.com> parents: 31002 diff changeset	1057 }
5b77bc4d25b1 * Simplify hash function and add test to show effectiveness of the hash Raymond Hettinger <python@rcn.com> parents: 31002 diff changeset	1058 return set_copy(so);
5b77bc4d25b1 * Simplify hash function and add test to show effectiveness of the hash Raymond Hettinger <python@rcn.com> parents: 31002 diff changeset	1059 }
5b77bc4d25b1 * Simplify hash function and add test to show effectiveness of the hash Raymond Hettinger <python@rcn.com> parents: 31002 diff changeset	1060
30929 54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1061 PyDoc_STRVAR(copy_doc, "Return a shallow copy of a set.");
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1062
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1063 static PyObject *
35328 0ef64a93f3f2 * Add short-circuit code for in-place operations with self (such as Raymond Hettinger <python@rcn.com> parents: 35321 diff changeset	1064 set_clear(PySetObject *so)
0ef64a93f3f2 * Add short-circuit code for in-place operations with self (such as Raymond Hettinger <python@rcn.com> parents: 35321 diff changeset	1065 {
0ef64a93f3f2 * Add short-circuit code for in-place operations with self (such as Raymond Hettinger <python@rcn.com> parents: 35321 diff changeset	1066 set_clear_internal(so);
0ef64a93f3f2 * Add short-circuit code for in-place operations with self (such as Raymond Hettinger <python@rcn.com> parents: 35321 diff changeset	1067 Py_RETURN_NONE;
0ef64a93f3f2 * Add short-circuit code for in-place operations with self (such as Raymond Hettinger <python@rcn.com> parents: 35321 diff changeset	1068 }
0ef64a93f3f2 * Add short-circuit code for in-place operations with self (such as Raymond Hettinger <python@rcn.com> parents: 35321 diff changeset	1069
0ef64a93f3f2 * Add short-circuit code for in-place operations with self (such as Raymond Hettinger <python@rcn.com> parents: 35321 diff changeset	1070 PyDoc_STRVAR(clear_doc, "Remove all elements from this set.");
0ef64a93f3f2 * Add short-circuit code for in-place operations with self (such as Raymond Hettinger <python@rcn.com> parents: 35321 diff changeset	1071
0ef64a93f3f2 * Add short-circuit code for in-place operations with self (such as Raymond Hettinger <python@rcn.com> parents: 35321 diff changeset	1072 static PyObject *
31008 4224d807911c * Checkin remaining documentation Raymond Hettinger <python@rcn.com> parents: 31004 diff changeset	1073 set_union(PySetObject so, PyObject other)
4224d807911c * Checkin remaining documentation Raymond Hettinger <python@rcn.com> parents: 31004 diff changeset	1074 {
4224d807911c * Checkin remaining documentation Raymond Hettinger <python@rcn.com> parents: 31004 diff changeset	1075 PySetObject *result;
4224d807911c * Checkin remaining documentation Raymond Hettinger <python@rcn.com> parents: 31004 diff changeset	1076
4224d807911c * Checkin remaining documentation Raymond Hettinger <python@rcn.com> parents: 31004 diff changeset	1077 result = (PySetObject *)set_copy(so);
4224d807911c * Checkin remaining documentation Raymond Hettinger <python@rcn.com> parents: 31004 diff changeset	1078 if (result == NULL)
4224d807911c * Checkin remaining documentation Raymond Hettinger <python@rcn.com> parents: 31004 diff changeset	1079 return NULL;
35353 e8806094d644 Add shortcuts for a\|a and a&a. Raymond Hettinger <python@rcn.com> parents: 35349 diff changeset	1080 if ((PyObject *)so == other)
e8806094d644 Add shortcuts for a\|a and a&a. Raymond Hettinger <python@rcn.com> parents: 35349 diff changeset	1081 return (PyObject *)result;
35297 26bf6c27e9ce * Improve code for the empty frozenset singleton: Raymond Hettinger <python@rcn.com> parents: 35296 diff changeset	1082 if (set_update_internal(result, other) == -1) {
31008 4224d807911c * Checkin remaining documentation Raymond Hettinger <python@rcn.com> parents: 31004 diff changeset	1083 Py_DECREF(result);
4224d807911c * Checkin remaining documentation Raymond Hettinger <python@rcn.com> parents: 31004 diff changeset	1084 return NULL;
4224d807911c * Checkin remaining documentation Raymond Hettinger <python@rcn.com> parents: 31004 diff changeset	1085 }
4224d807911c * Checkin remaining documentation Raymond Hettinger <python@rcn.com> parents: 31004 diff changeset	1086 return (PyObject *)result;
4224d807911c * Checkin remaining documentation Raymond Hettinger <python@rcn.com> parents: 31004 diff changeset	1087 }
4224d807911c * Checkin remaining documentation Raymond Hettinger <python@rcn.com> parents: 31004 diff changeset	1088
4224d807911c * Checkin remaining documentation Raymond Hettinger <python@rcn.com> parents: 31004 diff changeset	1089 PyDoc_STRVAR(union_doc,
4224d807911c * Checkin remaining documentation Raymond Hettinger <python@rcn.com> parents: 31004 diff changeset	1090 "Return the union of two sets as a new set.\n\
4224d807911c * Checkin remaining documentation Raymond Hettinger <python@rcn.com> parents: 31004 diff changeset	1091 \n\
4224d807911c * Checkin remaining documentation Raymond Hettinger <python@rcn.com> parents: 31004 diff changeset	1092 (i.e. all elements that are in either set.)");
4224d807911c * Checkin remaining documentation Raymond Hettinger <python@rcn.com> parents: 31004 diff changeset	1093
4224d807911c * Checkin remaining documentation Raymond Hettinger <python@rcn.com> parents: 31004 diff changeset	1094 static PyObject *
30929 54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1095 set_or(PySetObject so, PyObject other)
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1096 {
30931 fa6e8d4f88c6 Various fixups (most suggested by Armin Rigo). Raymond Hettinger <python@rcn.com> parents: 30930 diff changeset	1097 if (!PyAnySet_Check(so) \|\| !PyAnySet_Check(other)) {
30929 54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1098 Py_INCREF(Py_NotImplemented);
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1099 return Py_NotImplemented;
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1100 }
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1101 return set_union(so, other);
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1102 }
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1103
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1104 static PyObject *
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1105 set_ior(PySetObject so, PyObject other)
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1106 {
30931 fa6e8d4f88c6 Various fixups (most suggested by Armin Rigo). Raymond Hettinger <python@rcn.com> parents: 30930 diff changeset	1107 if (!PyAnySet_Check(other)) {
30929 54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1108 Py_INCREF(Py_NotImplemented);
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1109 return Py_NotImplemented;
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1110 }
35297 26bf6c27e9ce * Improve code for the empty frozenset singleton: Raymond Hettinger <python@rcn.com> parents: 35296 diff changeset	1111 if (set_update_internal(so, other) == -1)
30929 54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1112 return NULL;
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1113 Py_INCREF(so);
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1114 return (PyObject *)so;
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1115 }
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1116
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1117 static PyObject *
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1118 set_intersection(PySetObject so, PyObject other)
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1119 {
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1120 PySetObject *result;
35295 f30ebdc3bddf Improve variable names. Raymond Hettinger <python@rcn.com> parents: 35294 diff changeset	1121 PyObject key, it, *tmp;
30929 54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1122
35353 e8806094d644 Add shortcuts for a\|a and a&a. Raymond Hettinger <python@rcn.com> parents: 35349 diff changeset	1123 if ((PyObject *)so == other)
e8806094d644 Add shortcuts for a\|a and a&a. Raymond Hettinger <python@rcn.com> parents: 35349 diff changeset	1124 return set_copy(so);
35328 0ef64a93f3f2 * Add short-circuit code for in-place operations with self (such as Raymond Hettinger <python@rcn.com> parents: 35321 diff changeset	1125
30929 54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1126 result = (PySetObject *)make_new_set(so->ob_type, NULL);
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1127 if (result == NULL)
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1128 return NULL;
31008 4224d807911c * Checkin remaining documentation Raymond Hettinger <python@rcn.com> parents: 31004 diff changeset	1129
35328 0ef64a93f3f2 * Add short-circuit code for in-place operations with self (such as Raymond Hettinger <python@rcn.com> parents: 35321 diff changeset	1130 if (PyAnySet_Check(other)) {
36501 7fdc639bc5b4 Merge ssize_t branch. Martin v. Löwis <martin@v.loewis.de> parents: 36484 diff changeset	1131 Py_ssize_t pos = 0;
35328 0ef64a93f3f2 * Add short-circuit code for in-place operations with self (such as Raymond Hettinger <python@rcn.com> parents: 35321 diff changeset	1132 setentry *entry;
35332 fd02b84fb2db * Fix SF #1257731. Make __contains__(), remove(), and discard() only do Raymond Hettinger <python@rcn.com> parents: 35328 diff changeset	1133
35346 dd2357953fe3 Add a C API for sets and frozensets. Raymond Hettinger <python@rcn.com> parents: 35341 diff changeset	1134 if (PySet_GET_SIZE(other) > PySet_GET_SIZE(so)) {
35332 fd02b84fb2db * Fix SF #1257731. Make __contains__(), remove(), and discard() only do Raymond Hettinger <python@rcn.com> parents: 35328 diff changeset	1135 tmp = (PyObject *)so;
fd02b84fb2db * Fix SF #1257731. Make __contains__(), remove(), and discard() only do Raymond Hettinger <python@rcn.com> parents: 35328 diff changeset	1136 so = (PySetObject *)other;
fd02b84fb2db * Fix SF #1257731. Make __contains__(), remove(), and discard() only do Raymond Hettinger <python@rcn.com> parents: 35328 diff changeset	1137 other = tmp;
fd02b84fb2db * Fix SF #1257731. Make __contains__(), remove(), and discard() only do Raymond Hettinger <python@rcn.com> parents: 35328 diff changeset	1138 }
fd02b84fb2db * Fix SF #1257731. Make __contains__(), remove(), and discard() only do Raymond Hettinger <python@rcn.com> parents: 35328 diff changeset	1139
35328 0ef64a93f3f2 * Add short-circuit code for in-place operations with self (such as Raymond Hettinger <python@rcn.com> parents: 35321 diff changeset	1140 while (set_next((PySetObject *)other, &pos, &entry)) {
0ef64a93f3f2 * Add short-circuit code for in-place operations with self (such as Raymond Hettinger <python@rcn.com> parents: 35321 diff changeset	1141 if (set_contains_entry(so, entry)) {
0ef64a93f3f2 * Add short-circuit code for in-place operations with self (such as Raymond Hettinger <python@rcn.com> parents: 35321 diff changeset	1142 if (set_add_entry(result, entry) == -1) {
31300 bf8402a56fa4 * Simplify and speedup logic for tp_print. Raymond Hettinger <python@rcn.com> parents: 31203 diff changeset	1143 Py_DECREF(result);
bf8402a56fa4 * Simplify and speedup logic for tp_print. Raymond Hettinger <python@rcn.com> parents: 31203 diff changeset	1144 return NULL;
bf8402a56fa4 * Simplify and speedup logic for tp_print. Raymond Hettinger <python@rcn.com> parents: 31203 diff changeset	1145 }
bf8402a56fa4 * Simplify and speedup logic for tp_print. Raymond Hettinger <python@rcn.com> parents: 31203 diff changeset	1146 }
bf8402a56fa4 * Simplify and speedup logic for tp_print. Raymond Hettinger <python@rcn.com> parents: 31203 diff changeset	1147 }
bf8402a56fa4 * Simplify and speedup logic for tp_print. Raymond Hettinger <python@rcn.com> parents: 31203 diff changeset	1148 return (PyObject *)result;
31008 4224d807911c * Checkin remaining documentation Raymond Hettinger <python@rcn.com> parents: 31004 diff changeset	1149 }
4224d807911c * Checkin remaining documentation Raymond Hettinger <python@rcn.com> parents: 31004 diff changeset	1150
30929 54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1151 it = PyObject_GetIter(other);
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1152 if (it == NULL) {
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1153 Py_DECREF(result);
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1154 return NULL;
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1155 }
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1156
35295 f30ebdc3bddf Improve variable names. Raymond Hettinger <python@rcn.com> parents: 35294 diff changeset	1157 while ((key = PyIter_Next(it)) != NULL) {
35328 0ef64a93f3f2 * Add short-circuit code for in-place operations with self (such as Raymond Hettinger <python@rcn.com> parents: 35321 diff changeset	1158 if (set_contains_key(so, key)) {
0ef64a93f3f2 * Add short-circuit code for in-place operations with self (such as Raymond Hettinger <python@rcn.com> parents: 35321 diff changeset	1159 if (set_add_key(result, key) == -1) {
30929 54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1160 Py_DECREF(it);
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1161 Py_DECREF(result);
35295 f30ebdc3bddf Improve variable names. Raymond Hettinger <python@rcn.com> parents: 35294 diff changeset	1162 Py_DECREF(key);
30929 54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1163 return NULL;
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1164 }
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1165 }
35295 f30ebdc3bddf Improve variable names. Raymond Hettinger <python@rcn.com> parents: 35294 diff changeset	1166 Py_DECREF(key);
30929 54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1167 }
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1168 Py_DECREF(it);
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1169 if (PyErr_Occurred()) {
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1170 Py_DECREF(result);
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1171 return NULL;
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1172 }
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1173 return (PyObject *)result;
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1174 }
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1175
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1176 PyDoc_STRVAR(intersection_doc,
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1177 "Return the intersection of two sets as a new set.\n\
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1178 \n\
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1179 (i.e. all elements that are in both sets.)");
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1180
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1181 static PyObject *
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1182 set_intersection_update(PySetObject so, PyObject other)
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1183 {
35292 35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	1184 PyObject *tmp;
30929 54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1185
35292 35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	1186 tmp = set_intersection(so, other);
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	1187 if (tmp == NULL)
30929 54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1188 return NULL;
35292 35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	1189 set_swap_bodies(so, (PySetObject *)tmp);
30929 54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1190 Py_DECREF(tmp);
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1191 Py_RETURN_NONE;
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1192 }
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1193
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1194 PyDoc_STRVAR(intersection_update_doc,
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1195 "Update a set with the intersection of itself and another.");
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1196
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1197 static PyObject *
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1198 set_and(PySetObject so, PyObject other)
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1199 {
30931 fa6e8d4f88c6 Various fixups (most suggested by Armin Rigo). Raymond Hettinger <python@rcn.com> parents: 30930 diff changeset	1200 if (!PyAnySet_Check(so) \|\| !PyAnySet_Check(other)) {
30929 54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1201 Py_INCREF(Py_NotImplemented);
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1202 return Py_NotImplemented;
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1203 }
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1204 return set_intersection(so, other);
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1205 }
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1206
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1207 static PyObject *
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1208 set_iand(PySetObject so, PyObject other)
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1209 {
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1210 PyObject *result;
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1211
30931 fa6e8d4f88c6 Various fixups (most suggested by Armin Rigo). Raymond Hettinger <python@rcn.com> parents: 30930 diff changeset	1212 if (!PyAnySet_Check(other)) {
30929 54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1213 Py_INCREF(Py_NotImplemented);
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1214 return Py_NotImplemented;
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1215 }
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1216 result = set_intersection_update(so, other);
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1217 if (result == NULL)
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1218 return NULL;
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1219 Py_DECREF(result);
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1220 Py_INCREF(so);
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1221 return (PyObject *)so;
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1222 }
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1223
35862 6867995a18a7 Prevent name pollution by making lots of internal functions static. Neal Norwitz <nnorwitz@gmail.com> parents: 35636 diff changeset	1224 static int
35328 0ef64a93f3f2 * Add short-circuit code for in-place operations with self (such as Raymond Hettinger <python@rcn.com> parents: 35321 diff changeset	1225 set_difference_update_internal(PySetObject so, PyObject other)
0ef64a93f3f2 * Add short-circuit code for in-place operations with self (such as Raymond Hettinger <python@rcn.com> parents: 35321 diff changeset	1226 {
0ef64a93f3f2 * Add short-circuit code for in-place operations with self (such as Raymond Hettinger <python@rcn.com> parents: 35321 diff changeset	1227 if ((PyObject *)so == other)
0ef64a93f3f2 * Add short-circuit code for in-place operations with self (such as Raymond Hettinger <python@rcn.com> parents: 35321 diff changeset	1228 return set_clear_internal(so);
0ef64a93f3f2 * Add short-circuit code for in-place operations with self (such as Raymond Hettinger <python@rcn.com> parents: 35321 diff changeset	1229
0ef64a93f3f2 * Add short-circuit code for in-place operations with self (such as Raymond Hettinger <python@rcn.com> parents: 35321 diff changeset	1230 if (PyAnySet_Check(other)) {
0ef64a93f3f2 * Add short-circuit code for in-place operations with self (such as Raymond Hettinger <python@rcn.com> parents: 35321 diff changeset	1231 setentry *entry;
36501 7fdc639bc5b4 Merge ssize_t branch. Martin v. Löwis <martin@v.loewis.de> parents: 36484 diff changeset	1232 Py_ssize_t pos = 0;
35328 0ef64a93f3f2 * Add short-circuit code for in-place operations with self (such as Raymond Hettinger <python@rcn.com> parents: 35321 diff changeset	1233
0ef64a93f3f2 * Add short-circuit code for in-place operations with self (such as Raymond Hettinger <python@rcn.com> parents: 35321 diff changeset	1234 while (set_next((PySetObject *)other, &pos, &entry))
0ef64a93f3f2 * Add short-circuit code for in-place operations with self (such as Raymond Hettinger <python@rcn.com> parents: 35321 diff changeset	1235 set_discard_entry(so, entry);
0ef64a93f3f2 * Add short-circuit code for in-place operations with self (such as Raymond Hettinger <python@rcn.com> parents: 35321 diff changeset	1236 } else {
0ef64a93f3f2 * Add short-circuit code for in-place operations with self (such as Raymond Hettinger <python@rcn.com> parents: 35321 diff changeset	1237 PyObject key, it;
0ef64a93f3f2 * Add short-circuit code for in-place operations with self (such as Raymond Hettinger <python@rcn.com> parents: 35321 diff changeset	1238 it = PyObject_GetIter(other);
0ef64a93f3f2 * Add short-circuit code for in-place operations with self (such as Raymond Hettinger <python@rcn.com> parents: 35321 diff changeset	1239 if (it == NULL)
0ef64a93f3f2 * Add short-circuit code for in-place operations with self (such as Raymond Hettinger <python@rcn.com> parents: 35321 diff changeset	1240 return -1;
0ef64a93f3f2 * Add short-circuit code for in-place operations with self (such as Raymond Hettinger <python@rcn.com> parents: 35321 diff changeset	1241
0ef64a93f3f2 * Add short-circuit code for in-place operations with self (such as Raymond Hettinger <python@rcn.com> parents: 35321 diff changeset	1242 while ((key = PyIter_Next(it)) != NULL) {
0ef64a93f3f2 * Add short-circuit code for in-place operations with self (such as Raymond Hettinger <python@rcn.com> parents: 35321 diff changeset	1243 if (set_discard_key(so, key) == -1) {
0ef64a93f3f2 * Add short-circuit code for in-place operations with self (such as Raymond Hettinger <python@rcn.com> parents: 35321 diff changeset	1244 Py_DECREF(it);
0ef64a93f3f2 * Add short-circuit code for in-place operations with self (such as Raymond Hettinger <python@rcn.com> parents: 35321 diff changeset	1245 Py_DECREF(key);
0ef64a93f3f2 * Add short-circuit code for in-place operations with self (such as Raymond Hettinger <python@rcn.com> parents: 35321 diff changeset	1246 return -1;
0ef64a93f3f2 * Add short-circuit code for in-place operations with self (such as Raymond Hettinger <python@rcn.com> parents: 35321 diff changeset	1247 }
0ef64a93f3f2 * Add short-circuit code for in-place operations with self (such as Raymond Hettinger <python@rcn.com> parents: 35321 diff changeset	1248 Py_DECREF(key);
0ef64a93f3f2 * Add short-circuit code for in-place operations with self (such as Raymond Hettinger <python@rcn.com> parents: 35321 diff changeset	1249 }
0ef64a93f3f2 * Add short-circuit code for in-place operations with self (such as Raymond Hettinger <python@rcn.com> parents: 35321 diff changeset	1250 Py_DECREF(it);
0ef64a93f3f2 * Add short-circuit code for in-place operations with self (such as Raymond Hettinger <python@rcn.com> parents: 35321 diff changeset	1251 if (PyErr_Occurred())
0ef64a93f3f2 * Add short-circuit code for in-place operations with self (such as Raymond Hettinger <python@rcn.com> parents: 35321 diff changeset	1252 return -1;
0ef64a93f3f2 * Add short-circuit code for in-place operations with self (such as Raymond Hettinger <python@rcn.com> parents: 35321 diff changeset	1253 }
0ef64a93f3f2 * Add short-circuit code for in-place operations with self (such as Raymond Hettinger <python@rcn.com> parents: 35321 diff changeset	1254 /* If more than 1/5 are dummies, then resize them away. */
0ef64a93f3f2 * Add short-circuit code for in-place operations with self (such as Raymond Hettinger <python@rcn.com> parents: 35321 diff changeset	1255 if ((so->fill - so->used) * 5 < so->mask)
0ef64a93f3f2 * Add short-circuit code for in-place operations with self (such as Raymond Hettinger <python@rcn.com> parents: 35321 diff changeset	1256 return 0;
0ef64a93f3f2 * Add short-circuit code for in-place operations with self (such as Raymond Hettinger <python@rcn.com> parents: 35321 diff changeset	1257 return set_table_resize(so, so->used>50000 ? so->used2 : so->used4);
0ef64a93f3f2 * Add short-circuit code for in-place operations with self (such as Raymond Hettinger <python@rcn.com> parents: 35321 diff changeset	1258 }
0ef64a93f3f2 * Add short-circuit code for in-place operations with self (such as Raymond Hettinger <python@rcn.com> parents: 35321 diff changeset	1259
30929 54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1260 static PyObject *
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1261 set_difference_update(PySetObject so, PyObject other)
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1262 {
35328 0ef64a93f3f2 * Add short-circuit code for in-place operations with self (such as Raymond Hettinger <python@rcn.com> parents: 35321 diff changeset	1263 if (set_difference_update_internal(so, other) != -1)
35321 bdcb01a9b60c * Bring in INIT_NONZERO_SET_SLOTS macro from dictionary code. Raymond Hettinger <python@rcn.com> parents: 35317 diff changeset	1264 Py_RETURN_NONE;
35328 0ef64a93f3f2 * Add short-circuit code for in-place operations with self (such as Raymond Hettinger <python@rcn.com> parents: 35321 diff changeset	1265 return NULL;
30929 54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1266 }
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1267
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1268 PyDoc_STRVAR(difference_update_doc,
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1269 "Remove all elements of another set from this set.");
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1270
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1271 static PyObject *
31191 e4682af7aea9 Improve algorithm for set.difference when the input is not a set. Raymond Hettinger <python@rcn.com> parents: 31178 diff changeset	1272 set_difference(PySetObject so, PyObject other)
e4682af7aea9 Improve algorithm for set.difference when the input is not a set. Raymond Hettinger <python@rcn.com> parents: 31178 diff changeset	1273 {
35328 0ef64a93f3f2 * Add short-circuit code for in-place operations with self (such as Raymond Hettinger <python@rcn.com> parents: 35321 diff changeset	1274 PyObject *result;
0ef64a93f3f2 * Add short-circuit code for in-place operations with self (such as Raymond Hettinger <python@rcn.com> parents: 35321 diff changeset	1275 setentry *entry;
36501 7fdc639bc5b4 Merge ssize_t branch. Martin v. Löwis <martin@v.loewis.de> parents: 36484 diff changeset	1276 Py_ssize_t pos = 0;
31191 e4682af7aea9 Improve algorithm for set.difference when the input is not a set. Raymond Hettinger <python@rcn.com> parents: 31178 diff changeset	1277
35292 35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	1278 if (!PyAnySet_Check(other) && !PyDict_Check(other)) {
31191 e4682af7aea9 Improve algorithm for set.difference when the input is not a set. Raymond Hettinger <python@rcn.com> parents: 31178 diff changeset	1279 result = set_copy(so);
e4682af7aea9 Improve algorithm for set.difference when the input is not a set. Raymond Hettinger <python@rcn.com> parents: 31178 diff changeset	1280 if (result == NULL)
35328 0ef64a93f3f2 * Add short-circuit code for in-place operations with self (such as Raymond Hettinger <python@rcn.com> parents: 35321 diff changeset	1281 return NULL;
0ef64a93f3f2 * Add short-circuit code for in-place operations with self (such as Raymond Hettinger <python@rcn.com> parents: 35321 diff changeset	1282 if (set_difference_update_internal((PySetObject *)result, other) != -1)
31191 e4682af7aea9 Improve algorithm for set.difference when the input is not a set. Raymond Hettinger <python@rcn.com> parents: 31178 diff changeset	1283 return result;
e4682af7aea9 Improve algorithm for set.difference when the input is not a set. Raymond Hettinger <python@rcn.com> parents: 31178 diff changeset	1284 Py_DECREF(result);
e4682af7aea9 Improve algorithm for set.difference when the input is not a set. Raymond Hettinger <python@rcn.com> parents: 31178 diff changeset	1285 return NULL;
e4682af7aea9 Improve algorithm for set.difference when the input is not a set. Raymond Hettinger <python@rcn.com> parents: 31178 diff changeset	1286 }
e4682af7aea9 Improve algorithm for set.difference when the input is not a set. Raymond Hettinger <python@rcn.com> parents: 31178 diff changeset	1287
e4682af7aea9 Improve algorithm for set.difference when the input is not a set. Raymond Hettinger <python@rcn.com> parents: 31178 diff changeset	1288 result = make_new_set(so->ob_type, NULL);
e4682af7aea9 Improve algorithm for set.difference when the input is not a set. Raymond Hettinger <python@rcn.com> parents: 31178 diff changeset	1289 if (result == NULL)
e4682af7aea9 Improve algorithm for set.difference when the input is not a set. Raymond Hettinger <python@rcn.com> parents: 31178 diff changeset	1290 return NULL;
e4682af7aea9 Improve algorithm for set.difference when the input is not a set. Raymond Hettinger <python@rcn.com> parents: 31178 diff changeset	1291
35292 35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	1292 if (PyDict_Check(other)) {
35328 0ef64a93f3f2 * Add short-circuit code for in-place operations with self (such as Raymond Hettinger <python@rcn.com> parents: 35321 diff changeset	1293 while (set_next(so, &pos, &entry)) {
0ef64a93f3f2 * Add short-circuit code for in-place operations with self (such as Raymond Hettinger <python@rcn.com> parents: 35321 diff changeset	1294 setentry entrycopy;
0ef64a93f3f2 * Add short-circuit code for in-place operations with self (such as Raymond Hettinger <python@rcn.com> parents: 35321 diff changeset	1295 entrycopy.hash = entry->hash;
0ef64a93f3f2 * Add short-circuit code for in-place operations with self (such as Raymond Hettinger <python@rcn.com> parents: 35321 diff changeset	1296 entrycopy.key = entry->key;
0ef64a93f3f2 * Add short-circuit code for in-place operations with self (such as Raymond Hettinger <python@rcn.com> parents: 35321 diff changeset	1297 if (!PyDict_Contains(other, entry->key)) {
0ef64a93f3f2 * Add short-circuit code for in-place operations with self (such as Raymond Hettinger <python@rcn.com> parents: 35321 diff changeset	1298 if (set_add_entry((PySetObject *)result, &entrycopy) == -1)
35292 35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	1299 return NULL;
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	1300 }
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	1301 }
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	1302 return result;
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	1303 }
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	1304
35328 0ef64a93f3f2 * Add short-circuit code for in-place operations with self (such as Raymond Hettinger <python@rcn.com> parents: 35321 diff changeset	1305 while (set_next(so, &pos, &entry)) {
0ef64a93f3f2 * Add short-circuit code for in-place operations with self (such as Raymond Hettinger <python@rcn.com> parents: 35321 diff changeset	1306 if (!set_contains_entry((PySetObject *)other, entry)) {
0ef64a93f3f2 * Add short-circuit code for in-place operations with self (such as Raymond Hettinger <python@rcn.com> parents: 35321 diff changeset	1307 if (set_add_entry((PySetObject *)result, entry) == -1)
31191 e4682af7aea9 Improve algorithm for set.difference when the input is not a set. Raymond Hettinger <python@rcn.com> parents: 31178 diff changeset	1308 return NULL;
e4682af7aea9 Improve algorithm for set.difference when the input is not a set. Raymond Hettinger <python@rcn.com> parents: 31178 diff changeset	1309 }
e4682af7aea9 Improve algorithm for set.difference when the input is not a set. Raymond Hettinger <python@rcn.com> parents: 31178 diff changeset	1310 }
e4682af7aea9 Improve algorithm for set.difference when the input is not a set. Raymond Hettinger <python@rcn.com> parents: 31178 diff changeset	1311 return result;
e4682af7aea9 Improve algorithm for set.difference when the input is not a set. Raymond Hettinger <python@rcn.com> parents: 31178 diff changeset	1312 }
e4682af7aea9 Improve algorithm for set.difference when the input is not a set. Raymond Hettinger <python@rcn.com> parents: 31178 diff changeset	1313
e4682af7aea9 Improve algorithm for set.difference when the input is not a set. Raymond Hettinger <python@rcn.com> parents: 31178 diff changeset	1314 PyDoc_STRVAR(difference_doc,
e4682af7aea9 Improve algorithm for set.difference when the input is not a set. Raymond Hettinger <python@rcn.com> parents: 31178 diff changeset	1315 "Return the difference of two sets as a new set.\n\
e4682af7aea9 Improve algorithm for set.difference when the input is not a set. Raymond Hettinger <python@rcn.com> parents: 31178 diff changeset	1316 \n\
e4682af7aea9 Improve algorithm for set.difference when the input is not a set. Raymond Hettinger <python@rcn.com> parents: 31178 diff changeset	1317 (i.e. all elements that are in this set but not the other.)");
e4682af7aea9 Improve algorithm for set.difference when the input is not a set. Raymond Hettinger <python@rcn.com> parents: 31178 diff changeset	1318 static PyObject *
30929 54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1319 set_sub(PySetObject so, PyObject other)
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1320 {
30931 fa6e8d4f88c6 Various fixups (most suggested by Armin Rigo). Raymond Hettinger <python@rcn.com> parents: 30930 diff changeset	1321 if (!PyAnySet_Check(so) \|\| !PyAnySet_Check(other)) {
30929 54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1322 Py_INCREF(Py_NotImplemented);
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1323 return Py_NotImplemented;
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1324 }
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1325 return set_difference(so, other);
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1326 }
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1327
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1328 static PyObject *
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1329 set_isub(PySetObject so, PyObject other)
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1330 {
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1331 PyObject *result;
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1332
30931 fa6e8d4f88c6 Various fixups (most suggested by Armin Rigo). Raymond Hettinger <python@rcn.com> parents: 30930 diff changeset	1333 if (!PyAnySet_Check(other)) {
30929 54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1334 Py_INCREF(Py_NotImplemented);
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1335 return Py_NotImplemented;
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1336 }
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1337 result = set_difference_update(so, other);
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1338 if (result == NULL)
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1339 return NULL;
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1340 Py_DECREF(result);
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1341 Py_INCREF(so);
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1342 return (PyObject *)so;
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1343 }
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1344
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1345 static PyObject *
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1346 set_symmetric_difference_update(PySetObject so, PyObject other)
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1347 {
35292 35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	1348 PySetObject *otherset;
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	1349 PyObject *key;
36501 7fdc639bc5b4 Merge ssize_t branch. Martin v. Löwis <martin@v.loewis.de> parents: 36484 diff changeset	1350 Py_ssize_t pos = 0;
35328 0ef64a93f3f2 * Add short-circuit code for in-place operations with self (such as Raymond Hettinger <python@rcn.com> parents: 35321 diff changeset	1351 setentry *entry;
0ef64a93f3f2 * Add short-circuit code for in-place operations with self (such as Raymond Hettinger <python@rcn.com> parents: 35321 diff changeset	1352
0ef64a93f3f2 * Add short-circuit code for in-place operations with self (such as Raymond Hettinger <python@rcn.com> parents: 35321 diff changeset	1353 if ((PyObject *)so == other)
0ef64a93f3f2 * Add short-circuit code for in-place operations with self (such as Raymond Hettinger <python@rcn.com> parents: 35321 diff changeset	1354 return set_clear(so);
30929 54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1355
35292 35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	1356 if (PyDict_Check(other)) {
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	1357 PyObject *value;
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	1358 int rv;
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	1359 while (PyDict_Next(other, &pos, &key, &value)) {
35328 0ef64a93f3f2 * Add short-circuit code for in-place operations with self (such as Raymond Hettinger <python@rcn.com> parents: 35321 diff changeset	1360 rv = set_discard_key(so, key);
35292 35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	1361 if (rv == -1)
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	1362 return NULL;
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	1363 if (rv == DISCARD_NOTFOUND) {
35328 0ef64a93f3f2 * Add short-circuit code for in-place operations with self (such as Raymond Hettinger <python@rcn.com> parents: 35321 diff changeset	1364 if (set_add_key(so, key) == -1)
35292 35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	1365 return NULL;
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	1366 }
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	1367 }
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	1368 Py_RETURN_NONE;
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	1369 }
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	1370
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	1371 if (PyAnySet_Check(other)) {
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	1372 Py_INCREF(other);
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	1373 otherset = (PySetObject *)other;
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	1374 } else {
30929 54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1375 otherset = (PySetObject *)make_new_set(so->ob_type, other);
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1376 if (otherset == NULL)
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1377 return NULL;
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1378 }
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1379
35328 0ef64a93f3f2 * Add short-circuit code for in-place operations with self (such as Raymond Hettinger <python@rcn.com> parents: 35321 diff changeset	1380 while (set_next(otherset, &pos, &entry)) {
0ef64a93f3f2 * Add short-circuit code for in-place operations with self (such as Raymond Hettinger <python@rcn.com> parents: 35321 diff changeset	1381 int rv = set_discard_entry(so, entry);
35292 35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	1382 if (rv == -1) {
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	1383 Py_XDECREF(otherset);
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	1384 return NULL;
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	1385 }
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	1386 if (rv == DISCARD_NOTFOUND) {
35328 0ef64a93f3f2 * Add short-circuit code for in-place operations with self (such as Raymond Hettinger <python@rcn.com> parents: 35321 diff changeset	1387 if (set_add_entry(so, entry) == -1) {
30929 54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1388 Py_XDECREF(otherset);
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1389 return NULL;
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1390 }
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1391 }
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1392 }
35292 35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	1393 Py_DECREF(otherset);
30929 54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1394 Py_RETURN_NONE;
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1395 }
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1396
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1397 PyDoc_STRVAR(symmetric_difference_update_doc,
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1398 "Update a set with the symmetric difference of itself and another.");
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1399
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1400 static PyObject *
31008 4224d807911c * Checkin remaining documentation Raymond Hettinger <python@rcn.com> parents: 31004 diff changeset	1401 set_symmetric_difference(PySetObject so, PyObject other)
4224d807911c * Checkin remaining documentation Raymond Hettinger <python@rcn.com> parents: 31004 diff changeset	1402 {
35292 35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	1403 PyObject *rv;
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	1404 PySetObject *otherset;
31008 4224d807911c * Checkin remaining documentation Raymond Hettinger <python@rcn.com> parents: 31004 diff changeset	1405
35292 35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	1406 otherset = (PySetObject *)make_new_set(so->ob_type, other);
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	1407 if (otherset == NULL)
31008 4224d807911c * Checkin remaining documentation Raymond Hettinger <python@rcn.com> parents: 31004 diff changeset	1408 return NULL;
35292 35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	1409 rv = set_symmetric_difference_update(otherset, (PyObject *)so);
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	1410 if (rv == NULL)
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	1411 return NULL;
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	1412 Py_DECREF(rv);
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	1413 return (PyObject *)otherset;
31008 4224d807911c * Checkin remaining documentation Raymond Hettinger <python@rcn.com> parents: 31004 diff changeset	1414 }
4224d807911c * Checkin remaining documentation Raymond Hettinger <python@rcn.com> parents: 31004 diff changeset	1415
4224d807911c * Checkin remaining documentation Raymond Hettinger <python@rcn.com> parents: 31004 diff changeset	1416 PyDoc_STRVAR(symmetric_difference_doc,
4224d807911c * Checkin remaining documentation Raymond Hettinger <python@rcn.com> parents: 31004 diff changeset	1417 "Return the symmetric difference of two sets as a new set.\n\
4224d807911c * Checkin remaining documentation Raymond Hettinger <python@rcn.com> parents: 31004 diff changeset	1418 \n\
4224d807911c * Checkin remaining documentation Raymond Hettinger <python@rcn.com> parents: 31004 diff changeset	1419 (i.e. all elements that are in exactly one of the sets.)");
4224d807911c * Checkin remaining documentation Raymond Hettinger <python@rcn.com> parents: 31004 diff changeset	1420
4224d807911c * Checkin remaining documentation Raymond Hettinger <python@rcn.com> parents: 31004 diff changeset	1421 static PyObject *
30929 54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1422 set_xor(PySetObject so, PyObject other)
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1423 {
30931 fa6e8d4f88c6 Various fixups (most suggested by Armin Rigo). Raymond Hettinger <python@rcn.com> parents: 30930 diff changeset	1424 if (!PyAnySet_Check(so) \|\| !PyAnySet_Check(other)) {
30929 54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1425 Py_INCREF(Py_NotImplemented);
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1426 return Py_NotImplemented;
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1427 }
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1428 return set_symmetric_difference(so, other);
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1429 }
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1430
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1431 static PyObject *
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1432 set_ixor(PySetObject so, PyObject other)
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1433 {
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1434 PyObject *result;
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1435
30931 fa6e8d4f88c6 Various fixups (most suggested by Armin Rigo). Raymond Hettinger <python@rcn.com> parents: 30930 diff changeset	1436 if (!PyAnySet_Check(other)) {
30929 54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1437 Py_INCREF(Py_NotImplemented);
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1438 return Py_NotImplemented;
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1439 }
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1440 result = set_symmetric_difference_update(so, other);
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1441 if (result == NULL)
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1442 return NULL;
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1443 Py_DECREF(result);
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1444 Py_INCREF(so);
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1445 return (PyObject *)so;
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1446 }
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1447
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1448 static PyObject *
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1449 set_issubset(PySetObject so, PyObject other)
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1450 {
35339 028e94a6efc5 * Bring lookkey() and lookkey_string() closer to dict version. Raymond Hettinger <python@rcn.com> parents: 35332 diff changeset	1451 setentry *entry;
36501 7fdc639bc5b4 Merge ssize_t branch. Martin v. Löwis <martin@v.loewis.de> parents: 36484 diff changeset	1452 Py_ssize_t pos = 0;
30929 54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1453
30931 fa6e8d4f88c6 Various fixups (most suggested by Armin Rigo). Raymond Hettinger <python@rcn.com> parents: 30930 diff changeset	1454 if (!PyAnySet_Check(other)) {
35339 028e94a6efc5 * Bring lookkey() and lookkey_string() closer to dict version. Raymond Hettinger <python@rcn.com> parents: 35332 diff changeset	1455 PyObject tmp, result;
30994 632b223cb8e8 issubset() and issuperset() to work with general iterables Raymond Hettinger <python@rcn.com> parents: 30993 diff changeset	1456 tmp = make_new_set(&PySet_Type, other);
632b223cb8e8 issubset() and issuperset() to work with general iterables Raymond Hettinger <python@rcn.com> parents: 30993 diff changeset	1457 if (tmp == NULL)
632b223cb8e8 issubset() and issuperset() to work with general iterables Raymond Hettinger <python@rcn.com> parents: 30993 diff changeset	1458 return NULL;
632b223cb8e8 issubset() and issuperset() to work with general iterables Raymond Hettinger <python@rcn.com> parents: 30993 diff changeset	1459 result = set_issubset(so, tmp);
632b223cb8e8 issubset() and issuperset() to work with general iterables Raymond Hettinger <python@rcn.com> parents: 30993 diff changeset	1460 Py_DECREF(tmp);
632b223cb8e8 issubset() and issuperset() to work with general iterables Raymond Hettinger <python@rcn.com> parents: 30993 diff changeset	1461 return result;
30929 54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1462 }
35346 dd2357953fe3 Add a C API for sets and frozensets. Raymond Hettinger <python@rcn.com> parents: 35341 diff changeset	1463 if (PySet_GET_SIZE(so) > PySet_GET_SIZE(other))
30929 54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1464 Py_RETURN_FALSE;
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1465
35339 028e94a6efc5 * Bring lookkey() and lookkey_string() closer to dict version. Raymond Hettinger <python@rcn.com> parents: 35332 diff changeset	1466 while (set_next(so, &pos, &entry)) {
35328 0ef64a93f3f2 * Add short-circuit code for in-place operations with self (such as Raymond Hettinger <python@rcn.com> parents: 35321 diff changeset	1467 if (!set_contains_entry((PySetObject *)other, entry))
30929 54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1468 Py_RETURN_FALSE;
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1469 }
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1470 Py_RETURN_TRUE;
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1471 }
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1472
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1473 PyDoc_STRVAR(issubset_doc, "Report whether another set contains this set.");
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1474
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1475 static PyObject *
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1476 set_issuperset(PySetObject so, PyObject other)
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1477 {
30994 632b223cb8e8 issubset() and issuperset() to work with general iterables Raymond Hettinger <python@rcn.com> parents: 30993 diff changeset	1478 PyObject tmp, result;
632b223cb8e8 issubset() and issuperset() to work with general iterables Raymond Hettinger <python@rcn.com> parents: 30993 diff changeset	1479
30931 fa6e8d4f88c6 Various fixups (most suggested by Armin Rigo). Raymond Hettinger <python@rcn.com> parents: 30930 diff changeset	1480 if (!PyAnySet_Check(other)) {
30994 632b223cb8e8 issubset() and issuperset() to work with general iterables Raymond Hettinger <python@rcn.com> parents: 30993 diff changeset	1481 tmp = make_new_set(&PySet_Type, other);
632b223cb8e8 issubset() and issuperset() to work with general iterables Raymond Hettinger <python@rcn.com> parents: 30993 diff changeset	1482 if (tmp == NULL)
632b223cb8e8 issubset() and issuperset() to work with general iterables Raymond Hettinger <python@rcn.com> parents: 30993 diff changeset	1483 return NULL;
632b223cb8e8 issubset() and issuperset() to work with general iterables Raymond Hettinger <python@rcn.com> parents: 30993 diff changeset	1484 result = set_issuperset(so, tmp);
632b223cb8e8 issubset() and issuperset() to work with general iterables Raymond Hettinger <python@rcn.com> parents: 30993 diff changeset	1485 Py_DECREF(tmp);
632b223cb8e8 issubset() and issuperset() to work with general iterables Raymond Hettinger <python@rcn.com> parents: 30993 diff changeset	1486 return result;
30929 54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1487 }
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1488 return set_issubset((PySetObject )other, (PyObject )so);
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1489 }
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1490
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1491 PyDoc_STRVAR(issuperset_doc, "Report whether this set contains another set.");
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1492
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1493 static PyObject *
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1494 set_richcompare(PySetObject v, PyObject w, int op)
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1495 {
35292 35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	1496 PyObject r1, r2;
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	1497
30931 fa6e8d4f88c6 Various fixups (most suggested by Armin Rigo). Raymond Hettinger <python@rcn.com> parents: 30930 diff changeset	1498 if(!PyAnySet_Check(w)) {
fa6e8d4f88c6 Various fixups (most suggested by Armin Rigo). Raymond Hettinger <python@rcn.com> parents: 30930 diff changeset	1499 if (op == Py_EQ)
fa6e8d4f88c6 Various fixups (most suggested by Armin Rigo). Raymond Hettinger <python@rcn.com> parents: 30930 diff changeset	1500 Py_RETURN_FALSE;
fa6e8d4f88c6 Various fixups (most suggested by Armin Rigo). Raymond Hettinger <python@rcn.com> parents: 30930 diff changeset	1501 if (op == Py_NE)
fa6e8d4f88c6 Various fixups (most suggested by Armin Rigo). Raymond Hettinger <python@rcn.com> parents: 30930 diff changeset	1502 Py_RETURN_TRUE;
30929 54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1503 PyErr_SetString(PyExc_TypeError, "can only compare to a set");
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1504 return NULL;
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1505 }
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1506 switch (op) {
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1507 case Py_EQ:
35346 dd2357953fe3 Add a C API for sets and frozensets. Raymond Hettinger <python@rcn.com> parents: 35341 diff changeset	1508 if (PySet_GET_SIZE(v) != PySet_GET_SIZE(w))
35292 35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	1509 Py_RETURN_FALSE;
35398 1708479ade4d * Add a fast equality check path for frozensets where the hash value has Raymond Hettinger <python@rcn.com> parents: 35353 diff changeset	1510 if (v->hash != -1 &&
1708479ade4d * Add a fast equality check path for frozensets where the hash value has Raymond Hettinger <python@rcn.com> parents: 35353 diff changeset	1511 ((PySetObject *)w)->hash != -1 &&
1708479ade4d * Add a fast equality check path for frozensets where the hash value has Raymond Hettinger <python@rcn.com> parents: 35353 diff changeset	1512 v->hash != ((PySetObject *)w)->hash)
1708479ade4d * Add a fast equality check path for frozensets where the hash value has Raymond Hettinger <python@rcn.com> parents: 35353 diff changeset	1513 Py_RETURN_FALSE;
35292 35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	1514 return set_issubset(v, w);
30929 54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1515 case Py_NE:
35398 1708479ade4d * Add a fast equality check path for frozensets where the hash value has Raymond Hettinger <python@rcn.com> parents: 35353 diff changeset	1516 r1 = set_richcompare(v, w, Py_EQ);
1708479ade4d * Add a fast equality check path for frozensets where the hash value has Raymond Hettinger <python@rcn.com> parents: 35353 diff changeset	1517 if (r1 == NULL)
1708479ade4d * Add a fast equality check path for frozensets where the hash value has Raymond Hettinger <python@rcn.com> parents: 35353 diff changeset	1518 return NULL;
35292 35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	1519 r2 = PyBool_FromLong(PyObject_Not(r1));
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	1520 Py_DECREF(r1);
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	1521 return r2;
30929 54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1522 case Py_LE:
35292 35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	1523 return set_issubset(v, w);
30929 54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1524 case Py_GE:
35292 35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	1525 return set_issuperset(v, w);
30929 54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1526 case Py_LT:
35346 dd2357953fe3 Add a C API for sets and frozensets. Raymond Hettinger <python@rcn.com> parents: 35341 diff changeset	1527 if (PySet_GET_SIZE(v) >= PySet_GET_SIZE(w))
30929 54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1528 Py_RETURN_FALSE;
35292 35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	1529 return set_issubset(v, w);
30929 54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1530 case Py_GT:
35346 dd2357953fe3 Add a C API for sets and frozensets. Raymond Hettinger <python@rcn.com> parents: 35341 diff changeset	1531 if (PySet_GET_SIZE(v) <= PySet_GET_SIZE(w))
30929 54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1532 Py_RETURN_FALSE;
35292 35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	1533 return set_issuperset(v, w);
30929 54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1534 }
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1535 Py_INCREF(Py_NotImplemented);
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1536 return Py_NotImplemented;
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1537 }
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1538
35339 028e94a6efc5 * Bring lookkey() and lookkey_string() closer to dict version. Raymond Hettinger <python@rcn.com> parents: 35332 diff changeset	1539 static int
37304 79a0f080f898 Remove unnecessary casts in type object initializers. Georg Brandl <georg@python.org> parents: 37219 diff changeset	1540 set_nocmp(PyObject self, PyObject other)
35339 028e94a6efc5 * Bring lookkey() and lookkey_string() closer to dict version. Raymond Hettinger <python@rcn.com> parents: 35332 diff changeset	1541 {
028e94a6efc5 * Bring lookkey() and lookkey_string() closer to dict version. Raymond Hettinger <python@rcn.com> parents: 35332 diff changeset	1542 PyErr_SetString(PyExc_TypeError, "cannot compare sets using cmp()");
028e94a6efc5 * Bring lookkey() and lookkey_string() closer to dict version. Raymond Hettinger <python@rcn.com> parents: 35332 diff changeset	1543 return -1;
028e94a6efc5 * Bring lookkey() and lookkey_string() closer to dict version. Raymond Hettinger <python@rcn.com> parents: 35332 diff changeset	1544 }
028e94a6efc5 * Bring lookkey() and lookkey_string() closer to dict version. Raymond Hettinger <python@rcn.com> parents: 35332 diff changeset	1545
30929 54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1546 static PyObject *
35295 f30ebdc3bddf Improve variable names. Raymond Hettinger <python@rcn.com> parents: 35294 diff changeset	1547 set_add(PySetObject so, PyObject key)
30929 54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1548 {
35328 0ef64a93f3f2 * Add short-circuit code for in-place operations with self (such as Raymond Hettinger <python@rcn.com> parents: 35321 diff changeset	1549 if (set_add_key(so, key) == -1)
30929 54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1550 return NULL;
31178 1bbc2085f213 * Refactor set.__contains__() Raymond Hettinger <python@rcn.com> parents: 31177 diff changeset	1551 Py_RETURN_NONE;
30929 54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1552 }
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1553
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1554 PyDoc_STRVAR(add_doc,
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1555 "Add an element to a set.\n\
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1556 \n\
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1557 This has no effect if the element is already present.");
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1558
35341 f6b462d2a3a3 More function re-ordering (placing like functions together). Raymond Hettinger <python@rcn.com> parents: 35339 diff changeset	1559 static int
f6b462d2a3a3 More function re-ordering (placing like functions together). Raymond Hettinger <python@rcn.com> parents: 35339 diff changeset	1560 set_contains(PySetObject so, PyObject key)
f6b462d2a3a3 More function re-ordering (placing like functions together). Raymond Hettinger <python@rcn.com> parents: 35339 diff changeset	1561 {
f6b462d2a3a3 More function re-ordering (placing like functions together). Raymond Hettinger <python@rcn.com> parents: 35339 diff changeset	1562 PyObject *tmpkey;
f6b462d2a3a3 More function re-ordering (placing like functions together). Raymond Hettinger <python@rcn.com> parents: 35339 diff changeset	1563 int rv;
f6b462d2a3a3 More function re-ordering (placing like functions together). Raymond Hettinger <python@rcn.com> parents: 35339 diff changeset	1564
f6b462d2a3a3 More function re-ordering (placing like functions together). Raymond Hettinger <python@rcn.com> parents: 35339 diff changeset	1565 rv = set_contains_key(so, key);
f6b462d2a3a3 More function re-ordering (placing like functions together). Raymond Hettinger <python@rcn.com> parents: 35339 diff changeset	1566 if (rv == -1) {
f6b462d2a3a3 More function re-ordering (placing like functions together). Raymond Hettinger <python@rcn.com> parents: 35339 diff changeset	1567 if (!PyAnySet_Check(key) \|\| !PyErr_ExceptionMatches(PyExc_TypeError))
f6b462d2a3a3 More function re-ordering (placing like functions together). Raymond Hettinger <python@rcn.com> parents: 35339 diff changeset	1568 return -1;
f6b462d2a3a3 More function re-ordering (placing like functions together). Raymond Hettinger <python@rcn.com> parents: 35339 diff changeset	1569 PyErr_Clear();
f6b462d2a3a3 More function re-ordering (placing like functions together). Raymond Hettinger <python@rcn.com> parents: 35339 diff changeset	1570 tmpkey = make_new_set(&PyFrozenSet_Type, NULL);
f6b462d2a3a3 More function re-ordering (placing like functions together). Raymond Hettinger <python@rcn.com> parents: 35339 diff changeset	1571 if (tmpkey == NULL)
f6b462d2a3a3 More function re-ordering (placing like functions together). Raymond Hettinger <python@rcn.com> parents: 35339 diff changeset	1572 return -1;
f6b462d2a3a3 More function re-ordering (placing like functions together). Raymond Hettinger <python@rcn.com> parents: 35339 diff changeset	1573 set_swap_bodies((PySetObject )tmpkey, (PySetObject )key);
f6b462d2a3a3 More function re-ordering (placing like functions together). Raymond Hettinger <python@rcn.com> parents: 35339 diff changeset	1574 rv = set_contains(so, tmpkey);
f6b462d2a3a3 More function re-ordering (placing like functions together). Raymond Hettinger <python@rcn.com> parents: 35339 diff changeset	1575 set_swap_bodies((PySetObject )tmpkey, (PySetObject )key);
f6b462d2a3a3 More function re-ordering (placing like functions together). Raymond Hettinger <python@rcn.com> parents: 35339 diff changeset	1576 Py_DECREF(tmpkey);
f6b462d2a3a3 More function re-ordering (placing like functions together). Raymond Hettinger <python@rcn.com> parents: 35339 diff changeset	1577 }
f6b462d2a3a3 More function re-ordering (placing like functions together). Raymond Hettinger <python@rcn.com> parents: 35339 diff changeset	1578 return rv;
f6b462d2a3a3 More function re-ordering (placing like functions together). Raymond Hettinger <python@rcn.com> parents: 35339 diff changeset	1579 }
f6b462d2a3a3 More function re-ordering (placing like functions together). Raymond Hettinger <python@rcn.com> parents: 35339 diff changeset	1580
f6b462d2a3a3 More function re-ordering (placing like functions together). Raymond Hettinger <python@rcn.com> parents: 35339 diff changeset	1581 static PyObject *
f6b462d2a3a3 More function re-ordering (placing like functions together). Raymond Hettinger <python@rcn.com> parents: 35339 diff changeset	1582 set_direct_contains(PySetObject so, PyObject key)
f6b462d2a3a3 More function re-ordering (placing like functions together). Raymond Hettinger <python@rcn.com> parents: 35339 diff changeset	1583 {
f6b462d2a3a3 More function re-ordering (placing like functions together). Raymond Hettinger <python@rcn.com> parents: 35339 diff changeset	1584 long result;
f6b462d2a3a3 More function re-ordering (placing like functions together). Raymond Hettinger <python@rcn.com> parents: 35339 diff changeset	1585
f6b462d2a3a3 More function re-ordering (placing like functions together). Raymond Hettinger <python@rcn.com> parents: 35339 diff changeset	1586 result = set_contains(so, key);
f6b462d2a3a3 More function re-ordering (placing like functions together). Raymond Hettinger <python@rcn.com> parents: 35339 diff changeset	1587 if (result == -1)
f6b462d2a3a3 More function re-ordering (placing like functions together). Raymond Hettinger <python@rcn.com> parents: 35339 diff changeset	1588 return NULL;
f6b462d2a3a3 More function re-ordering (placing like functions together). Raymond Hettinger <python@rcn.com> parents: 35339 diff changeset	1589 return PyBool_FromLong(result);
f6b462d2a3a3 More function re-ordering (placing like functions together). Raymond Hettinger <python@rcn.com> parents: 35339 diff changeset	1590 }
f6b462d2a3a3 More function re-ordering (placing like functions together). Raymond Hettinger <python@rcn.com> parents: 35339 diff changeset	1591
f6b462d2a3a3 More function re-ordering (placing like functions together). Raymond Hettinger <python@rcn.com> parents: 35339 diff changeset	1592 PyDoc_STRVAR(contains_doc, "x.__contains__(y) <==> y in x.");
f6b462d2a3a3 More function re-ordering (placing like functions together). Raymond Hettinger <python@rcn.com> parents: 35339 diff changeset	1593
30929 54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1594 static PyObject *
35295 f30ebdc3bddf Improve variable names. Raymond Hettinger <python@rcn.com> parents: 35294 diff changeset	1595 set_remove(PySetObject so, PyObject key)
30929 54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1596 {
35295 f30ebdc3bddf Improve variable names. Raymond Hettinger <python@rcn.com> parents: 35294 diff changeset	1597 PyObject tmpkey, result;
35292 35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	1598 int rv;
31002 622a76bc0237 Extend temporary hashability to remove() and discard(). Raymond Hettinger <python@rcn.com> parents: 30995 diff changeset	1599
35332 fd02b84fb2db * Fix SF #1257731. Make __contains__(), remove(), and discard() only do Raymond Hettinger <python@rcn.com> parents: 35328 diff changeset	1600 rv = set_discard_key(so, key);
fd02b84fb2db * Fix SF #1257731. Make __contains__(), remove(), and discard() only do Raymond Hettinger <python@rcn.com> parents: 35328 diff changeset	1601 if (rv == -1) {
fd02b84fb2db * Fix SF #1257731. Make __contains__(), remove(), and discard() only do Raymond Hettinger <python@rcn.com> parents: 35328 diff changeset	1602 if (!PyAnySet_Check(key) \|\| !PyErr_ExceptionMatches(PyExc_TypeError))
fd02b84fb2db * Fix SF #1257731. Make __contains__(), remove(), and discard() only do Raymond Hettinger <python@rcn.com> parents: 35328 diff changeset	1603 return NULL;
fd02b84fb2db * Fix SF #1257731. Make __contains__(), remove(), and discard() only do Raymond Hettinger <python@rcn.com> parents: 35328 diff changeset	1604 PyErr_Clear();
35295 f30ebdc3bddf Improve variable names. Raymond Hettinger <python@rcn.com> parents: 35294 diff changeset	1605 tmpkey = make_new_set(&PyFrozenSet_Type, NULL);
f30ebdc3bddf Improve variable names. Raymond Hettinger <python@rcn.com> parents: 35294 diff changeset	1606 if (tmpkey == NULL)
31002 622a76bc0237 Extend temporary hashability to remove() and discard(). Raymond Hettinger <python@rcn.com> parents: 30995 diff changeset	1607 return NULL;
35332 fd02b84fb2db * Fix SF #1257731. Make __contains__(), remove(), and discard() only do Raymond Hettinger <python@rcn.com> parents: 35328 diff changeset	1608 set_swap_bodies((PySetObject )tmpkey, (PySetObject )key);
35295 f30ebdc3bddf Improve variable names. Raymond Hettinger <python@rcn.com> parents: 35294 diff changeset	1609 result = set_remove(so, tmpkey);
35332 fd02b84fb2db * Fix SF #1257731. Make __contains__(), remove(), and discard() only do Raymond Hettinger <python@rcn.com> parents: 35328 diff changeset	1610 set_swap_bodies((PySetObject )tmpkey, (PySetObject )key);
35295 f30ebdc3bddf Improve variable names. Raymond Hettinger <python@rcn.com> parents: 35294 diff changeset	1611 Py_DECREF(tmpkey);
31177 eeaa3660671c Refactor set.discard() and set.remove(). Raymond Hettinger <python@rcn.com> parents: 31175 diff changeset	1612 return result;
35332 fd02b84fb2db * Fix SF #1257731. Make __contains__(), remove(), and discard() only do Raymond Hettinger <python@rcn.com> parents: 35328 diff changeset	1613 } else if (rv == DISCARD_NOTFOUND) {
35295 f30ebdc3bddf Improve variable names. Raymond Hettinger <python@rcn.com> parents: 35294 diff changeset	1614 PyErr_SetObject(PyExc_KeyError, key);
35292 35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	1615 return NULL;
35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	1616 }
31178 1bbc2085f213 * Refactor set.__contains__() Raymond Hettinger <python@rcn.com> parents: 31177 diff changeset	1617 Py_RETURN_NONE;
30929 54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1618 }
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1619
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1620 PyDoc_STRVAR(remove_doc,
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1621 "Remove an element from a set; it must be a member.\n\
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1622 \n\
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1623 If the element is not a member, raise a KeyError.");
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1624
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1625 static PyObject *
35295 f30ebdc3bddf Improve variable names. Raymond Hettinger <python@rcn.com> parents: 35294 diff changeset	1626 set_discard(PySetObject so, PyObject key)
30929 54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1627 {
35295 f30ebdc3bddf Improve variable names. Raymond Hettinger <python@rcn.com> parents: 35294 diff changeset	1628 PyObject tmpkey, result;
35332 fd02b84fb2db * Fix SF #1257731. Make __contains__(), remove(), and discard() only do Raymond Hettinger <python@rcn.com> parents: 35328 diff changeset	1629 int rv;
31177 eeaa3660671c Refactor set.discard() and set.remove(). Raymond Hettinger <python@rcn.com> parents: 31175 diff changeset	1630
35332 fd02b84fb2db * Fix SF #1257731. Make __contains__(), remove(), and discard() only do Raymond Hettinger <python@rcn.com> parents: 35328 diff changeset	1631 rv = set_discard_key(so, key);
fd02b84fb2db * Fix SF #1257731. Make __contains__(), remove(), and discard() only do Raymond Hettinger <python@rcn.com> parents: 35328 diff changeset	1632 if (rv == -1) {
fd02b84fb2db * Fix SF #1257731. Make __contains__(), remove(), and discard() only do Raymond Hettinger <python@rcn.com> parents: 35328 diff changeset	1633 if (!PyAnySet_Check(key) \|\| !PyErr_ExceptionMatches(PyExc_TypeError))
fd02b84fb2db * Fix SF #1257731. Make __contains__(), remove(), and discard() only do Raymond Hettinger <python@rcn.com> parents: 35328 diff changeset	1634 return NULL;
fd02b84fb2db * Fix SF #1257731. Make __contains__(), remove(), and discard() only do Raymond Hettinger <python@rcn.com> parents: 35328 diff changeset	1635 PyErr_Clear();
35295 f30ebdc3bddf Improve variable names. Raymond Hettinger <python@rcn.com> parents: 35294 diff changeset	1636 tmpkey = make_new_set(&PyFrozenSet_Type, NULL);
f30ebdc3bddf Improve variable names. Raymond Hettinger <python@rcn.com> parents: 35294 diff changeset	1637 if (tmpkey == NULL)
31177 eeaa3660671c Refactor set.discard() and set.remove(). Raymond Hettinger <python@rcn.com> parents: 31175 diff changeset	1638 return NULL;
35332 fd02b84fb2db * Fix SF #1257731. Make __contains__(), remove(), and discard() only do Raymond Hettinger <python@rcn.com> parents: 35328 diff changeset	1639 set_swap_bodies((PySetObject )tmpkey, (PySetObject )key);
35295 f30ebdc3bddf Improve variable names. Raymond Hettinger <python@rcn.com> parents: 35294 diff changeset	1640 result = set_discard(so, tmpkey);
35332 fd02b84fb2db * Fix SF #1257731. Make __contains__(), remove(), and discard() only do Raymond Hettinger <python@rcn.com> parents: 35328 diff changeset	1641 set_swap_bodies((PySetObject )tmpkey, (PySetObject )key);
35295 f30ebdc3bddf Improve variable names. Raymond Hettinger <python@rcn.com> parents: 35294 diff changeset	1642 Py_DECREF(tmpkey);
31177 eeaa3660671c Refactor set.discard() and set.remove(). Raymond Hettinger <python@rcn.com> parents: 31175 diff changeset	1643 return result;
eeaa3660671c Refactor set.discard() and set.remove(). Raymond Hettinger <python@rcn.com> parents: 31175 diff changeset	1644 }
31178 1bbc2085f213 * Refactor set.__contains__() Raymond Hettinger <python@rcn.com> parents: 31177 diff changeset	1645 Py_RETURN_NONE;
30929 54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1646 }
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1647
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1648 PyDoc_STRVAR(discard_doc,
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1649 "Remove an element from a set if it is a member.\n\
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1650 \n\
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1651 If the element is not a member, do nothing.");
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1652
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1653 static PyObject *
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1654 set_reduce(PySetObject *so)
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1655 {
33948 f2ce15b02ba3 SF 1062353: set pickling problems Raymond Hettinger <python@rcn.com> parents: 33605 diff changeset	1656 PyObject keys=NULL, args=NULL, result=NULL, dict=NULL;
30929 54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1657
35292 35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	1658 keys = PySequence_List((PyObject *)so);
30929 54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1659 if (keys == NULL)
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1660 goto done;
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1661 args = PyTuple_Pack(1, keys);
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1662 if (args == NULL)
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1663 goto done;
33948 f2ce15b02ba3 SF 1062353: set pickling problems Raymond Hettinger <python@rcn.com> parents: 33605 diff changeset	1664 dict = PyObject_GetAttrString((PyObject *)so, "__dict__");
f2ce15b02ba3 SF 1062353: set pickling problems Raymond Hettinger <python@rcn.com> parents: 33605 diff changeset	1665 if (dict == NULL) {
f2ce15b02ba3 SF 1062353: set pickling problems Raymond Hettinger <python@rcn.com> parents: 33605 diff changeset	1666 PyErr_Clear();
f2ce15b02ba3 SF 1062353: set pickling problems Raymond Hettinger <python@rcn.com> parents: 33605 diff changeset	1667 dict = Py_None;
f2ce15b02ba3 SF 1062353: set pickling problems Raymond Hettinger <python@rcn.com> parents: 33605 diff changeset	1668 Py_INCREF(dict);
f2ce15b02ba3 SF 1062353: set pickling problems Raymond Hettinger <python@rcn.com> parents: 33605 diff changeset	1669 }
f2ce15b02ba3 SF 1062353: set pickling problems Raymond Hettinger <python@rcn.com> parents: 33605 diff changeset	1670 result = PyTuple_Pack(3, so->ob_type, args, dict);
30929 54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1671 done:
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1672 Py_XDECREF(args);
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1673 Py_XDECREF(keys);
33948 f2ce15b02ba3 SF 1062353: set pickling problems Raymond Hettinger <python@rcn.com> parents: 33605 diff changeset	1674 Py_XDECREF(dict);
30929 54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1675 return result;
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1676 }
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1677
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1678 PyDoc_STRVAR(reduce_doc, "Return state information for pickling.");
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1679
30931 fa6e8d4f88c6 Various fixups (most suggested by Armin Rigo). Raymond Hettinger <python@rcn.com> parents: 30930 diff changeset	1680 static int
fa6e8d4f88c6 Various fixups (most suggested by Armin Rigo). Raymond Hettinger <python@rcn.com> parents: 30930 diff changeset	1681 set_init(PySetObject self, PyObject args, PyObject *kwds)
fa6e8d4f88c6 Various fixups (most suggested by Armin Rigo). Raymond Hettinger <python@rcn.com> parents: 30930 diff changeset	1682 {
fa6e8d4f88c6 Various fixups (most suggested by Armin Rigo). Raymond Hettinger <python@rcn.com> parents: 30930 diff changeset	1683 PyObject *iterable = NULL;
fa6e8d4f88c6 Various fixups (most suggested by Armin Rigo). Raymond Hettinger <python@rcn.com> parents: 30930 diff changeset	1684
fa6e8d4f88c6 Various fixups (most suggested by Armin Rigo). Raymond Hettinger <python@rcn.com> parents: 30930 diff changeset	1685 if (!PyAnySet_Check(self))
fa6e8d4f88c6 Various fixups (most suggested by Armin Rigo). Raymond Hettinger <python@rcn.com> parents: 30930 diff changeset	1686 return -1;
fa6e8d4f88c6 Various fixups (most suggested by Armin Rigo). Raymond Hettinger <python@rcn.com> parents: 30930 diff changeset	1687 if (!PyArg_UnpackTuple(args, self->ob_type->tp_name, 0, 1, &iterable))
fa6e8d4f88c6 Various fixups (most suggested by Armin Rigo). Raymond Hettinger <python@rcn.com> parents: 30930 diff changeset	1688 return -1;
35292 35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	1689 set_clear_internal(self);
30931 fa6e8d4f88c6 Various fixups (most suggested by Armin Rigo). Raymond Hettinger <python@rcn.com> parents: 30930 diff changeset	1690 self->hash = -1;
fa6e8d4f88c6 Various fixups (most suggested by Armin Rigo). Raymond Hettinger <python@rcn.com> parents: 30930 diff changeset	1691 if (iterable == NULL)
fa6e8d4f88c6 Various fixups (most suggested by Armin Rigo). Raymond Hettinger <python@rcn.com> parents: 30930 diff changeset	1692 return 0;
35297 26bf6c27e9ce * Improve code for the empty frozenset singleton: Raymond Hettinger <python@rcn.com> parents: 35296 diff changeset	1693 return set_update_internal(self, iterable);
30931 fa6e8d4f88c6 Various fixups (most suggested by Armin Rigo). Raymond Hettinger <python@rcn.com> parents: 30930 diff changeset	1694 }
fa6e8d4f88c6 Various fixups (most suggested by Armin Rigo). Raymond Hettinger <python@rcn.com> parents: 30930 diff changeset	1695
30929 54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1696 static PySequenceMethods set_as_sequence = {
37304 79a0f080f898 Remove unnecessary casts in type object initializers. Georg Brandl <georg@python.org> parents: 37219 diff changeset	1697 set_len, /* sq_length */
30929 54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1698 0, /* sq_concat */
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1699 0, /* sq_repeat */
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1700 0, /* sq_item */
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1701 0, /* sq_slice */
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1702 0, /* sq_ass_item */
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1703 0, /* sq_ass_slice */
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1704 (objobjproc)set_contains, /* sq_contains */
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1705 };
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1706
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1707 /* set object ********************************************************/
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1708
35348 2f1bf64b837e Numerous fix-ups to C API and docs. Added tests for C API. Raymond Hettinger <python@rcn.com> parents: 35347 diff changeset	1709 #ifdef Py_DEBUG
2f1bf64b837e Numerous fix-ups to C API and docs. Added tests for C API. Raymond Hettinger <python@rcn.com> parents: 35347 diff changeset	1710 static PyObject test_c_api(PySetObject so);
2f1bf64b837e Numerous fix-ups to C API and docs. Added tests for C API. Raymond Hettinger <python@rcn.com> parents: 35347 diff changeset	1711
2f1bf64b837e Numerous fix-ups to C API and docs. Added tests for C API. Raymond Hettinger <python@rcn.com> parents: 35347 diff changeset	1712 PyDoc_STRVAR(test_c_api_doc, "Exercises C API. Returns True.\n\
2f1bf64b837e Numerous fix-ups to C API and docs. Added tests for C API. Raymond Hettinger <python@rcn.com> parents: 35347 diff changeset	1713 All is well if assertions don't fail.");
2f1bf64b837e Numerous fix-ups to C API and docs. Added tests for C API. Raymond Hettinger <python@rcn.com> parents: 35347 diff changeset	1714 #endif
2f1bf64b837e Numerous fix-ups to C API and docs. Added tests for C API. Raymond Hettinger <python@rcn.com> parents: 35347 diff changeset	1715
30929 54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1716 static PyMethodDef set_methods[] = {
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1717 {"add", (PyCFunction)set_add, METH_O,
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1718 add_doc},
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1719 {"clear", (PyCFunction)set_clear, METH_NOARGS,
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1720 clear_doc},
31177 eeaa3660671c Refactor set.discard() and set.remove(). Raymond Hettinger <python@rcn.com> parents: 31175 diff changeset	1721 {"__contains__",(PyCFunction)set_direct_contains, METH_O \| METH_COEXIST,
31172 e4fb6164158c * Added a new method flag, METH_COEXIST. Raymond Hettinger <python@rcn.com> parents: 31019 diff changeset	1722 contains_doc},
30929 54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1723 {"copy", (PyCFunction)set_copy, METH_NOARGS,
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1724 copy_doc},
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1725 {"discard", (PyCFunction)set_discard, METH_O,
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1726 discard_doc},
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1727 {"difference", (PyCFunction)set_difference, METH_O,
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1728 difference_doc},
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1729 {"difference_update", (PyCFunction)set_difference_update, METH_O,
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1730 difference_update_doc},
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1731 {"intersection",(PyCFunction)set_intersection, METH_O,
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1732 intersection_doc},
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1733 {"intersection_update",(PyCFunction)set_intersection_update, METH_O,
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1734 intersection_update_doc},
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1735 {"issubset", (PyCFunction)set_issubset, METH_O,
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1736 issubset_doc},
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1737 {"issuperset", (PyCFunction)set_issuperset, METH_O,
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1738 issuperset_doc},
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1739 {"pop", (PyCFunction)set_pop, METH_NOARGS,
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1740 pop_doc},
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1741 {"__reduce__", (PyCFunction)set_reduce, METH_NOARGS,
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1742 reduce_doc},
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1743 {"remove", (PyCFunction)set_remove, METH_O,
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1744 remove_doc},
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1745 {"symmetric_difference",(PyCFunction)set_symmetric_difference, METH_O,
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1746 symmetric_difference_doc},
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1747 {"symmetric_difference_update",(PyCFunction)set_symmetric_difference_update, METH_O,
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1748 symmetric_difference_update_doc},
35348 2f1bf64b837e Numerous fix-ups to C API and docs. Added tests for C API. Raymond Hettinger <python@rcn.com> parents: 35347 diff changeset	1749 #ifdef Py_DEBUG
2f1bf64b837e Numerous fix-ups to C API and docs. Added tests for C API. Raymond Hettinger <python@rcn.com> parents: 35347 diff changeset	1750 {"test_c_api", (PyCFunction)test_c_api, METH_NOARGS,
2f1bf64b837e Numerous fix-ups to C API and docs. Added tests for C API. Raymond Hettinger <python@rcn.com> parents: 35347 diff changeset	1751 test_c_api_doc},
2f1bf64b837e Numerous fix-ups to C API and docs. Added tests for C API. Raymond Hettinger <python@rcn.com> parents: 35347 diff changeset	1752 #endif
30929 54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1753 {"union", (PyCFunction)set_union, METH_O,
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1754 union_doc},
31015 8d413578eb1a Factor out more duplicate code. Raymond Hettinger <python@rcn.com> parents: 31012 diff changeset	1755 {"update", (PyCFunction)set_update, METH_O,
8d413578eb1a Factor out more duplicate code. Raymond Hettinger <python@rcn.com> parents: 31012 diff changeset	1756 update_doc},
30929 54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1757 {NULL, NULL} /* sentinel */
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1758 };
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1759
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1760 static PyNumberMethods set_as_number = {
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1761 0, /nb_add/
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1762 (binaryfunc)set_sub, /nb_subtract/
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1763 0, /nb_multiply/
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1764 0, /nb_divide/
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1765 0, /nb_remainder/
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1766 0, /nb_divmod/
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1767 0, /nb_power/
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1768 0, /nb_negative/
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1769 0, /nb_positive/
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1770 0, /nb_absolute/
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1771 0, /nb_nonzero/
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1772 0, /nb_invert/
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1773 0, /nb_lshift/
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1774 0, /nb_rshift/
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1775 (binaryfunc)set_and, /nb_and/
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1776 (binaryfunc)set_xor, /nb_xor/
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1777 (binaryfunc)set_or, /nb_or/
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1778 0, /nb_coerce/
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1779 0, /nb_int/
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1780 0, /nb_long/
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1781 0, /nb_float/
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1782 0, /nb_oct/
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1783 0, /nb_hex/
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1784 0, /nb_inplace_add/
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1785 (binaryfunc)set_isub, /nb_inplace_subtract/
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1786 0, /nb_inplace_multiply/
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1787 0, /nb_inplace_divide/
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1788 0, /nb_inplace_remainder/
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1789 0, /nb_inplace_power/
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1790 0, /nb_inplace_lshift/
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1791 0, /nb_inplace_rshift/
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1792 (binaryfunc)set_iand, /nb_inplace_and/
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1793 (binaryfunc)set_ixor, /nb_inplace_xor/
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1794 (binaryfunc)set_ior, /nb_inplace_or/
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1795 };
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1796
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1797 PyDoc_STRVAR(set_doc,
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1798 "set(iterable) --> set object\n\
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1799 \n\
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1800 Build an unordered collection.");
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1801
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1802 PyTypeObject PySet_Type = {
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1803 PyObject_HEAD_INIT(&PyType_Type)
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1804 0, /* ob_size */
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1805 "set", /* tp_name */
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1806 sizeof(PySetObject), /* tp_basicsize */
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1807 0, /* tp_itemsize */
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1808 /* methods */
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1809 (destructor)set_dealloc, /* tp_dealloc */
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1810 (printfunc)set_tp_print, /* tp_print */
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1811 0, /* tp_getattr */
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1812 0, /* tp_setattr */
37304 79a0f080f898 Remove unnecessary casts in type object initializers. Georg Brandl <georg@python.org> parents: 37219 diff changeset	1813 set_nocmp, /* tp_compare */
30929 54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1814 (reprfunc)set_repr, /* tp_repr */
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1815 &set_as_number, /* tp_as_number */
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1816 &set_as_sequence, /* tp_as_sequence */
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1817 0, /* tp_as_mapping */
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1818 set_nohash, /* tp_hash */
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1819 0, /* tp_call */
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1820 0, /* tp_str */
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1821 PyObject_GenericGetAttr, /* tp_getattro */
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1822 0, /* tp_setattro */
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1823 0, /* tp_as_buffer */
35110 f3d3151f8417 SF patch #1200018: Restore GC support to set objects Raymond Hettinger <python@rcn.com> parents: 33948 diff changeset	1824 Py_TPFLAGS_DEFAULT \| Py_TPFLAGS_HAVE_GC \| Py_TPFLAGS_CHECKTYPES \|
35292 35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	1825 Py_TPFLAGS_BASETYPE, /* tp_flags */
30929 54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1826 set_doc, /* tp_doc */
35110 f3d3151f8417 SF patch #1200018: Restore GC support to set objects Raymond Hettinger <python@rcn.com> parents: 33948 diff changeset	1827 (traverseproc)set_traverse, /* tp_traverse */
35315 a6cbfcd0e691 Factor away a redundant clear() function. Raymond Hettinger <python@rcn.com> parents: 35312 diff changeset	1828 (inquiry)set_clear_internal, /* tp_clear */
30929 54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1829 (richcmpfunc)set_richcompare, /* tp_richcompare */
32158 679e5c8effae Make sets and deques weak referencable. Raymond Hettinger <python@rcn.com> parents: 31628 diff changeset	1830 offsetof(PySetObject, weakreflist), /* tp_weaklistoffset */
35292 35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	1831 (getiterfunc)set_iter, /* tp_iter */
30929 54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1832 0, /* tp_iternext */
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1833 set_methods, /* tp_methods */
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1834 0, /* tp_members */
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1835 0, /* tp_getset */
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1836 0, /* tp_base */
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1837 0, /* tp_dict */
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1838 0, /* tp_descr_get */
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1839 0, /* tp_descr_set */
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1840 0, /* tp_dictoffset */
30931 fa6e8d4f88c6 Various fixups (most suggested by Armin Rigo). Raymond Hettinger <python@rcn.com> parents: 30930 diff changeset	1841 (initproc)set_init, /* tp_init */
30929 54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1842 PyType_GenericAlloc, /* tp_alloc */
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1843 set_new, /* tp_new */
35110 f3d3151f8417 SF patch #1200018: Restore GC support to set objects Raymond Hettinger <python@rcn.com> parents: 33948 diff changeset	1844 PyObject_GC_Del, /* tp_free */
30929 54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1845 };
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1846
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1847 /* frozenset object ********************************************************/
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1848
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1849
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1850 static PyMethodDef frozenset_methods[] = {
31177 eeaa3660671c Refactor set.discard() and set.remove(). Raymond Hettinger <python@rcn.com> parents: 31175 diff changeset	1851 {"__contains__",(PyCFunction)set_direct_contains, METH_O \| METH_COEXIST,
31172 e4fb6164158c * Added a new method flag, METH_COEXIST. Raymond Hettinger <python@rcn.com> parents: 31019 diff changeset	1852 contains_doc},
31004 5b77bc4d25b1 * Simplify hash function and add test to show effectiveness of the hash Raymond Hettinger <python@rcn.com> parents: 31002 diff changeset	1853 {"copy", (PyCFunction)frozenset_copy, METH_NOARGS,
30929 54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1854 copy_doc},
31004 5b77bc4d25b1 * Simplify hash function and add test to show effectiveness of the hash Raymond Hettinger <python@rcn.com> parents: 31002 diff changeset	1855 {"difference", (PyCFunction)set_difference, METH_O,
30929 54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1856 difference_doc},
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1857 {"intersection",(PyCFunction)set_intersection, METH_O,
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1858 intersection_doc},
31004 5b77bc4d25b1 * Simplify hash function and add test to show effectiveness of the hash Raymond Hettinger <python@rcn.com> parents: 31002 diff changeset	1859 {"issubset", (PyCFunction)set_issubset, METH_O,
30929 54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1860 issubset_doc},
31004 5b77bc4d25b1 * Simplify hash function and add test to show effectiveness of the hash Raymond Hettinger <python@rcn.com> parents: 31002 diff changeset	1861 {"issuperset", (PyCFunction)set_issuperset, METH_O,
30929 54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1862 issuperset_doc},
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1863 {"__reduce__", (PyCFunction)set_reduce, METH_NOARGS,
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1864 reduce_doc},
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1865 {"symmetric_difference",(PyCFunction)set_symmetric_difference, METH_O,
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1866 symmetric_difference_doc},
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1867 {"union", (PyCFunction)set_union, METH_O,
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1868 union_doc},
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1869 {NULL, NULL} /* sentinel */
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1870 };
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1871
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1872 static PyNumberMethods frozenset_as_number = {
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1873 0, /nb_add/
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1874 (binaryfunc)set_sub, /nb_subtract/
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1875 0, /nb_multiply/
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1876 0, /nb_divide/
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1877 0, /nb_remainder/
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1878 0, /nb_divmod/
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1879 0, /nb_power/
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1880 0, /nb_negative/
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1881 0, /nb_positive/
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1882 0, /nb_absolute/
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1883 0, /nb_nonzero/
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1884 0, /nb_invert/
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1885 0, /nb_lshift/
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1886 0, /nb_rshift/
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1887 (binaryfunc)set_and, /nb_and/
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1888 (binaryfunc)set_xor, /nb_xor/
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1889 (binaryfunc)set_or, /nb_or/
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1890 };
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1891
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1892 PyDoc_STRVAR(frozenset_doc,
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1893 "frozenset(iterable) --> frozenset object\n\
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1894 \n\
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1895 Build an immutable unordered collection.");
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1896
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1897 PyTypeObject PyFrozenSet_Type = {
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1898 PyObject_HEAD_INIT(&PyType_Type)
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1899 0, /* ob_size */
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1900 "frozenset", /* tp_name */
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1901 sizeof(PySetObject), /* tp_basicsize */
31300 bf8402a56fa4 * Simplify and speedup logic for tp_print. Raymond Hettinger <python@rcn.com> parents: 31203 diff changeset	1902 0, /* tp_itemsize */
bf8402a56fa4 * Simplify and speedup logic for tp_print. Raymond Hettinger <python@rcn.com> parents: 31203 diff changeset	1903 /* methods */
30929 54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1904 (destructor)set_dealloc, /* tp_dealloc */
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1905 (printfunc)set_tp_print, /* tp_print */
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1906 0, /* tp_getattr */
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1907 0, /* tp_setattr */
37304 79a0f080f898 Remove unnecessary casts in type object initializers. Georg Brandl <georg@python.org> parents: 37219 diff changeset	1908 set_nocmp, /* tp_compare */
30929 54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1909 (reprfunc)set_repr, /* tp_repr */
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1910 &frozenset_as_number, /* tp_as_number */
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1911 &set_as_sequence, /* tp_as_sequence */
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1912 0, /* tp_as_mapping */
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1913 frozenset_hash, /* tp_hash */
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1914 0, /* tp_call */
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1915 0, /* tp_str */
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1916 PyObject_GenericGetAttr, /* tp_getattro */
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1917 0, /* tp_setattro */
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1918 0, /* tp_as_buffer */
35110 f3d3151f8417 SF patch #1200018: Restore GC support to set objects Raymond Hettinger <python@rcn.com> parents: 33948 diff changeset	1919 Py_TPFLAGS_DEFAULT \| Py_TPFLAGS_HAVE_GC \| Py_TPFLAGS_CHECKTYPES \|
35292 35a698302c63 Revised the set() and frozenset() implementaion to use its own internal Raymond Hettinger <python@rcn.com> parents: 35110 diff changeset	1920 Py_TPFLAGS_BASETYPE, /* tp_flags */
30929 54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1921 frozenset_doc, /* tp_doc */
35110 f3d3151f8417 SF patch #1200018: Restore GC support to set objects Raymond Hettinger <python@rcn.com> parents: 33948 diff changeset	1922 (traverseproc)set_traverse, /* tp_traverse */
35315 a6cbfcd0e691 Factor away a redundant clear() function. Raymond Hettinger <python@rcn.com> parents: 35312 diff changeset	1923 (inquiry)set_clear_internal, /* tp_clear */
30929 54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1924 (richcmpfunc)set_richcompare, /* tp_richcompare */
32158 679e5c8effae Make sets and deques weak referencable. Raymond Hettinger <python@rcn.com> parents: 31628 diff changeset	1925 offsetof(PySetObject, weakreflist), /* tp_weaklistoffset */
30929 54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1926 (getiterfunc)set_iter, /* tp_iter */
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1927 0, /* tp_iternext */
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1928 frozenset_methods, /* tp_methods */
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1929 0, /* tp_members */
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1930 0, /* tp_getset */
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1931 0, /* tp_base */
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1932 0, /* tp_dict */
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1933 0, /* tp_descr_get */
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1934 0, /* tp_descr_set */
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1935 0, /* tp_dictoffset */
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1936 0, /* tp_init */
54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1937 PyType_GenericAlloc, /* tp_alloc */
30931 fa6e8d4f88c6 Various fixups (most suggested by Armin Rigo). Raymond Hettinger <python@rcn.com> parents: 30930 diff changeset	1938 frozenset_new, /* tp_new */
35110 f3d3151f8417 SF patch #1200018: Restore GC support to set objects Raymond Hettinger <python@rcn.com> parents: 33948 diff changeset	1939 PyObject_GC_Del, /* tp_free */
30929 54ff68e973ee * Migrate set() and frozenset() from the sandbox. Raymond Hettinger <python@rcn.com> parents: diff changeset	1940 };
35346 dd2357953fe3 Add a C API for sets and frozensets. Raymond Hettinger <python@rcn.com> parents: 35341 diff changeset	1941
dd2357953fe3 Add a C API for sets and frozensets. Raymond Hettinger <python@rcn.com> parents: 35341 diff changeset	1942
dd2357953fe3 Add a C API for sets and frozensets. Raymond Hettinger <python@rcn.com> parents: 35341 diff changeset	1943 /*** C API functions ***********************************************/
dd2357953fe3 Add a C API for sets and frozensets. Raymond Hettinger <python@rcn.com> parents: 35341 diff changeset	1944
dd2357953fe3 Add a C API for sets and frozensets. Raymond Hettinger <python@rcn.com> parents: 35341 diff changeset	1945 PyObject *
dd2357953fe3 Add a C API for sets and frozensets. Raymond Hettinger <python@rcn.com> parents: 35341 diff changeset	1946 PySet_New(PyObject *iterable)
dd2357953fe3 Add a C API for sets and frozensets. Raymond Hettinger <python@rcn.com> parents: 35341 diff changeset	1947 {
dd2357953fe3 Add a C API for sets and frozensets. Raymond Hettinger <python@rcn.com> parents: 35341 diff changeset	1948 return make_new_set(&PySet_Type, iterable);
dd2357953fe3 Add a C API for sets and frozensets. Raymond Hettinger <python@rcn.com> parents: 35341 diff changeset	1949 }
dd2357953fe3 Add a C API for sets and frozensets. Raymond Hettinger <python@rcn.com> parents: 35341 diff changeset	1950
dd2357953fe3 Add a C API for sets and frozensets. Raymond Hettinger <python@rcn.com> parents: 35341 diff changeset	1951 PyObject *
dd2357953fe3 Add a C API for sets and frozensets. Raymond Hettinger <python@rcn.com> parents: 35341 diff changeset	1952 PyFrozenSet_New(PyObject *iterable)
dd2357953fe3 Add a C API for sets and frozensets. Raymond Hettinger <python@rcn.com> parents: 35341 diff changeset	1953 {
35348 2f1bf64b837e Numerous fix-ups to C API and docs. Added tests for C API. Raymond Hettinger <python@rcn.com> parents: 35347 diff changeset	1954 PyObject args, result;
35346 dd2357953fe3 Add a C API for sets and frozensets. Raymond Hettinger <python@rcn.com> parents: 35341 diff changeset	1955
35348 2f1bf64b837e Numerous fix-ups to C API and docs. Added tests for C API. Raymond Hettinger <python@rcn.com> parents: 35347 diff changeset	1956 if (iterable == NULL)
2f1bf64b837e Numerous fix-ups to C API and docs. Added tests for C API. Raymond Hettinger <python@rcn.com> parents: 35347 diff changeset	1957 args = PyTuple_New(0);
2f1bf64b837e Numerous fix-ups to C API and docs. Added tests for C API. Raymond Hettinger <python@rcn.com> parents: 35347 diff changeset	1958 else
35346 dd2357953fe3 Add a C API for sets and frozensets. Raymond Hettinger <python@rcn.com> parents: 35341 diff changeset	1959 args = PyTuple_Pack(1, iterable);
35348 2f1bf64b837e Numerous fix-ups to C API and docs. Added tests for C API. Raymond Hettinger <python@rcn.com> parents: 35347 diff changeset	1960 if (args == NULL)
2f1bf64b837e Numerous fix-ups to C API and docs. Added tests for C API. Raymond Hettinger <python@rcn.com> parents: 35347 diff changeset	1961 return NULL;
2f1bf64b837e Numerous fix-ups to C API and docs. Added tests for C API. Raymond Hettinger <python@rcn.com> parents: 35347 diff changeset	1962 result = frozenset_new(&PyFrozenSet_Type, args, NULL);
2f1bf64b837e Numerous fix-ups to C API and docs. Added tests for C API. Raymond Hettinger <python@rcn.com> parents: 35347 diff changeset	1963 Py_DECREF(args);
2f1bf64b837e Numerous fix-ups to C API and docs. Added tests for C API. Raymond Hettinger <python@rcn.com> parents: 35347 diff changeset	1964 return result;
2f1bf64b837e Numerous fix-ups to C API and docs. Added tests for C API. Raymond Hettinger <python@rcn.com> parents: 35347 diff changeset	1965 }
2f1bf64b837e Numerous fix-ups to C API and docs. Added tests for C API. Raymond Hettinger <python@rcn.com> parents: 35347 diff changeset	1966
36833 9e81788b0d4b Use Py_ssize_t for PySet_Size() like all the other Py_Size() functions. Neal Norwitz <nnorwitz@gmail.com>* parents: 36501 diff changeset	1967 Py_ssize_t
35348 2f1bf64b837e Numerous fix-ups to C API and docs. Added tests for C API. Raymond Hettinger <python@rcn.com> parents: 35347 diff changeset	1968 PySet_Size(PyObject *anyset)
2f1bf64b837e Numerous fix-ups to C API and docs. Added tests for C API. Raymond Hettinger <python@rcn.com> parents: 35347 diff changeset	1969 {
2f1bf64b837e Numerous fix-ups to C API and docs. Added tests for C API. Raymond Hettinger <python@rcn.com> parents: 35347 diff changeset	1970 if (!PyAnySet_Check(anyset)) {
2f1bf64b837e Numerous fix-ups to C API and docs. Added tests for C API. Raymond Hettinger <python@rcn.com> parents: 35347 diff changeset	1971 PyErr_BadInternalCall();
2f1bf64b837e Numerous fix-ups to C API and docs. Added tests for C API. Raymond Hettinger <python@rcn.com> parents: 35347 diff changeset	1972 return -1;
35346 dd2357953fe3 Add a C API for sets and frozensets. Raymond Hettinger <python@rcn.com> parents: 35341 diff changeset	1973 }
35398 1708479ade4d * Add a fast equality check path for frozensets where the hash value has Raymond Hettinger <python@rcn.com> parents: 35353 diff changeset	1974 return PySet_GET_SIZE(anyset);
35346 dd2357953fe3 Add a C API for sets and frozensets. Raymond Hettinger <python@rcn.com> parents: 35341 diff changeset	1975 }
dd2357953fe3 Add a C API for sets and frozensets. Raymond Hettinger <python@rcn.com> parents: 35341 diff changeset	1976
dd2357953fe3 Add a C API for sets and frozensets. Raymond Hettinger <python@rcn.com> parents: 35341 diff changeset	1977 int
37315 19059df45cfe SF patch #1458476 with modifications based on discussions in python-dev. This Barry Warsaw <barry@python.org> parents: 37304 diff changeset	1978 PySet_Clear(PyObject *set)
19059df45cfe SF patch #1458476 with modifications based on discussions in python-dev. This Barry Warsaw <barry@python.org> parents: 37304 diff changeset	1979 {
19059df45cfe SF patch #1458476 with modifications based on discussions in python-dev. This Barry Warsaw <barry@python.org> parents: 37304 diff changeset	1980 if (!PyType_IsSubtype(set->ob_type, &PySet_Type)) {
19059df45cfe SF patch #1458476 with modifications based on discussions in python-dev. This Barry Warsaw <barry@python.org> parents: 37304 diff changeset	1981 PyErr_BadInternalCall();
19059df45cfe SF patch #1458476 with modifications based on discussions in python-dev. This Barry Warsaw <barry@python.org> parents: 37304 diff changeset	1982 return -1;
19059df45cfe SF patch #1458476 with modifications based on discussions in python-dev. This Barry Warsaw <barry@python.org> parents: 37304 diff changeset	1983 }
19059df45cfe SF patch #1458476 with modifications based on discussions in python-dev. This Barry Warsaw <barry@python.org> parents: 37304 diff changeset	1984 return set_clear_internal((PySetObject *)set);
19059df45cfe SF patch #1458476 with modifications based on discussions in python-dev. This Barry Warsaw <barry@python.org> parents: 37304 diff changeset	1985 }
19059df45cfe SF patch #1458476 with modifications based on discussions in python-dev. This Barry Warsaw <barry@python.org> parents: 37304 diff changeset	1986
19059df45cfe SF patch #1458476 with modifications based on discussions in python-dev. This Barry Warsaw <barry@python.org> parents: 37304 diff changeset	1987 int
35346 dd2357953fe3 Add a C API for sets and frozensets. Raymond Hettinger <python@rcn.com> parents: 35341 diff changeset	1988 PySet_Contains(PyObject anyset, PyObject key)
dd2357953fe3 Add a C API for sets and frozensets. Raymond Hettinger <python@rcn.com> parents: 35341 diff changeset	1989 {
dd2357953fe3 Add a C API for sets and frozensets. Raymond Hettinger <python@rcn.com> parents: 35341 diff changeset	1990 if (!PyAnySet_Check(anyset)) {
dd2357953fe3 Add a C API for sets and frozensets. Raymond Hettinger <python@rcn.com> parents: 35341 diff changeset	1991 PyErr_BadInternalCall();
dd2357953fe3 Add a C API for sets and frozensets. Raymond Hettinger <python@rcn.com> parents: 35341 diff changeset	1992 return -1;
dd2357953fe3 Add a C API for sets and frozensets. Raymond Hettinger <python@rcn.com> parents: 35341 diff changeset	1993 }
dd2357953fe3 Add a C API for sets and frozensets. Raymond Hettinger <python@rcn.com> parents: 35341 diff changeset	1994 return set_contains_key((PySetObject *)anyset, key);
dd2357953fe3 Add a C API for sets and frozensets. Raymond Hettinger <python@rcn.com> parents: 35341 diff changeset	1995 }
dd2357953fe3 Add a C API for sets and frozensets. Raymond Hettinger <python@rcn.com> parents: 35341 diff changeset	1996
dd2357953fe3 Add a C API for sets and frozensets. Raymond Hettinger <python@rcn.com> parents: 35341 diff changeset	1997 int
35348 2f1bf64b837e Numerous fix-ups to C API and docs. Added tests for C API. Raymond Hettinger <python@rcn.com> parents: 35347 diff changeset	1998 PySet_Discard(PyObject set, PyObject key)
35346 dd2357953fe3 Add a C API for sets and frozensets. Raymond Hettinger <python@rcn.com> parents: 35341 diff changeset	1999 {
35348 2f1bf64b837e Numerous fix-ups to C API and docs. Added tests for C API. Raymond Hettinger <python@rcn.com> parents: 35347 diff changeset	2000 if (!PyType_IsSubtype(set->ob_type, &PySet_Type)) {
35346 dd2357953fe3 Add a C API for sets and frozensets. Raymond Hettinger <python@rcn.com> parents: 35341 diff changeset	2001 PyErr_BadInternalCall();
dd2357953fe3 Add a C API for sets and frozensets. Raymond Hettinger <python@rcn.com> parents: 35341 diff changeset	2002 return -1;
dd2357953fe3 Add a C API for sets and frozensets. Raymond Hettinger <python@rcn.com> parents: 35341 diff changeset	2003 }
35348 2f1bf64b837e Numerous fix-ups to C API and docs. Added tests for C API. Raymond Hettinger <python@rcn.com> parents: 35347 diff changeset	2004 return set_discard_key((PySetObject *)set, key);
35346 dd2357953fe3 Add a C API for sets and frozensets. Raymond Hettinger <python@rcn.com> parents: 35341 diff changeset	2005 }
dd2357953fe3 Add a C API for sets and frozensets. Raymond Hettinger <python@rcn.com> parents: 35341 diff changeset	2006
dd2357953fe3 Add a C API for sets and frozensets. Raymond Hettinger <python@rcn.com> parents: 35341 diff changeset	2007 int
dd2357953fe3 Add a C API for sets and frozensets. Raymond Hettinger <python@rcn.com> parents: 35341 diff changeset	2008 PySet_Add(PyObject set, PyObject key)
dd2357953fe3 Add a C API for sets and frozensets. Raymond Hettinger <python@rcn.com> parents: 35341 diff changeset	2009 {
dd2357953fe3 Add a C API for sets and frozensets. Raymond Hettinger <python@rcn.com> parents: 35341 diff changeset	2010 if (!PyType_IsSubtype(set->ob_type, &PySet_Type)) {
dd2357953fe3 Add a C API for sets and frozensets. Raymond Hettinger <python@rcn.com> parents: 35341 diff changeset	2011 PyErr_BadInternalCall();
dd2357953fe3 Add a C API for sets and frozensets. Raymond Hettinger <python@rcn.com> parents: 35341 diff changeset	2012 return -1;
dd2357953fe3 Add a C API for sets and frozensets. Raymond Hettinger <python@rcn.com> parents: 35341 diff changeset	2013 }
dd2357953fe3 Add a C API for sets and frozensets. Raymond Hettinger <python@rcn.com> parents: 35341 diff changeset	2014 return set_add_key((PySetObject *)set, key);
dd2357953fe3 Add a C API for sets and frozensets. Raymond Hettinger <python@rcn.com> parents: 35341 diff changeset	2015 }
dd2357953fe3 Add a C API for sets and frozensets. Raymond Hettinger <python@rcn.com> parents: 35341 diff changeset	2016
37315 19059df45cfe SF patch #1458476 with modifications based on discussions in python-dev. This Barry Warsaw <barry@python.org> parents: 37304 diff changeset	2017 int
19059df45cfe SF patch #1458476 with modifications based on discussions in python-dev. This Barry Warsaw <barry@python.org> parents: 37304 diff changeset	2018 _PySet_Next(PyObject set, Py_ssize_t pos, PyObject **entry)
19059df45cfe SF patch #1458476 with modifications based on discussions in python-dev. This Barry Warsaw <barry@python.org> parents: 37304 diff changeset	2019 {
19059df45cfe SF patch #1458476 with modifications based on discussions in python-dev. This Barry Warsaw <barry@python.org> parents: 37304 diff changeset	2020 setentry *entry_ptr;
19059df45cfe SF patch #1458476 with modifications based on discussions in python-dev. This Barry Warsaw <barry@python.org> parents: 37304 diff changeset	2021
19059df45cfe SF patch #1458476 with modifications based on discussions in python-dev. This Barry Warsaw <barry@python.org> parents: 37304 diff changeset	2022 if (!PyAnySet_Check(set)) {
19059df45cfe SF patch #1458476 with modifications based on discussions in python-dev. This Barry Warsaw <barry@python.org> parents: 37304 diff changeset	2023 PyErr_BadInternalCall();
19059df45cfe SF patch #1458476 with modifications based on discussions in python-dev. This Barry Warsaw <barry@python.org> parents: 37304 diff changeset	2024 return -1;
19059df45cfe SF patch #1458476 with modifications based on discussions in python-dev. This Barry Warsaw <barry@python.org> parents: 37304 diff changeset	2025 }
19059df45cfe SF patch #1458476 with modifications based on discussions in python-dev. This Barry Warsaw <barry@python.org> parents: 37304 diff changeset	2026 if (set_next((PySetObject *)set, pos, &entry_ptr) == 0)
19059df45cfe SF patch #1458476 with modifications based on discussions in python-dev. This Barry Warsaw <barry@python.org> parents: 37304 diff changeset	2027 return 0;
19059df45cfe SF patch #1458476 with modifications based on discussions in python-dev. This Barry Warsaw <barry@python.org> parents: 37304 diff changeset	2028 *entry = entry_ptr->key;
19059df45cfe SF patch #1458476 with modifications based on discussions in python-dev. This Barry Warsaw <barry@python.org> parents: 37304 diff changeset	2029 return 1;
19059df45cfe SF patch #1458476 with modifications based on discussions in python-dev. This Barry Warsaw <barry@python.org> parents: 37304 diff changeset	2030 }
19059df45cfe SF patch #1458476 with modifications based on discussions in python-dev. This Barry Warsaw <barry@python.org> parents: 37304 diff changeset	2031
35346 dd2357953fe3 Add a C API for sets and frozensets. Raymond Hettinger <python@rcn.com> parents: 35341 diff changeset	2032 PyObject *
dd2357953fe3 Add a C API for sets and frozensets. Raymond Hettinger <python@rcn.com> parents: 35341 diff changeset	2033 PySet_Pop(PyObject *set)
dd2357953fe3 Add a C API for sets and frozensets. Raymond Hettinger <python@rcn.com> parents: 35341 diff changeset	2034 {
dd2357953fe3 Add a C API for sets and frozensets. Raymond Hettinger <python@rcn.com> parents: 35341 diff changeset	2035 if (!PyType_IsSubtype(set->ob_type, &PySet_Type)) {
dd2357953fe3 Add a C API for sets and frozensets. Raymond Hettinger <python@rcn.com> parents: 35341 diff changeset	2036 PyErr_BadInternalCall();
dd2357953fe3 Add a C API for sets and frozensets. Raymond Hettinger <python@rcn.com> parents: 35341 diff changeset	2037 return NULL;
dd2357953fe3 Add a C API for sets and frozensets. Raymond Hettinger <python@rcn.com> parents: 35341 diff changeset	2038 }
dd2357953fe3 Add a C API for sets and frozensets. Raymond Hettinger <python@rcn.com> parents: 35341 diff changeset	2039 return set_pop((PySetObject *)set);
dd2357953fe3 Add a C API for sets and frozensets. Raymond Hettinger <python@rcn.com> parents: 35341 diff changeset	2040 }
35348 2f1bf64b837e Numerous fix-ups to C API and docs. Added tests for C API. Raymond Hettinger <python@rcn.com> parents: 35347 diff changeset	2041
37315 19059df45cfe SF patch #1458476 with modifications based on discussions in python-dev. This Barry Warsaw <barry@python.org> parents: 37304 diff changeset	2042 int
19059df45cfe SF patch #1458476 with modifications based on discussions in python-dev. This Barry Warsaw <barry@python.org> parents: 37304 diff changeset	2043 _PySet_Update(PyObject set, PyObject iterable)
19059df45cfe SF patch #1458476 with modifications based on discussions in python-dev. This Barry Warsaw <barry@python.org> parents: 37304 diff changeset	2044 {
19059df45cfe SF patch #1458476 with modifications based on discussions in python-dev. This Barry Warsaw <barry@python.org> parents: 37304 diff changeset	2045 if (!PyType_IsSubtype(set->ob_type, &PySet_Type)) {
19059df45cfe SF patch #1458476 with modifications based on discussions in python-dev. This Barry Warsaw <barry@python.org> parents: 37304 diff changeset	2046 PyErr_BadInternalCall();
19059df45cfe SF patch #1458476 with modifications based on discussions in python-dev. This Barry Warsaw <barry@python.org> parents: 37304 diff changeset	2047 return -1;
19059df45cfe SF patch #1458476 with modifications based on discussions in python-dev. This Barry Warsaw <barry@python.org> parents: 37304 diff changeset	2048 }
19059df45cfe SF patch #1458476 with modifications based on discussions in python-dev. This Barry Warsaw <barry@python.org> parents: 37304 diff changeset	2049 return set_update_internal((PySetObject *)set, iterable);
19059df45cfe SF patch #1458476 with modifications based on discussions in python-dev. This Barry Warsaw <barry@python.org> parents: 37304 diff changeset	2050 }
35348 2f1bf64b837e Numerous fix-ups to C API and docs. Added tests for C API. Raymond Hettinger <python@rcn.com> parents: 35347 diff changeset	2051
2f1bf64b837e Numerous fix-ups to C API and docs. Added tests for C API. Raymond Hettinger <python@rcn.com> parents: 35347 diff changeset	2052 #ifdef Py_DEBUG
2f1bf64b837e Numerous fix-ups to C API and docs. Added tests for C API. Raymond Hettinger <python@rcn.com> parents: 35347 diff changeset	2053
2f1bf64b837e Numerous fix-ups to C API and docs. Added tests for C API. Raymond Hettinger <python@rcn.com> parents: 35347 diff changeset	2054 /* Test code to be called with any three element set.
2f1bf64b837e Numerous fix-ups to C API and docs. Added tests for C API. Raymond Hettinger <python@rcn.com> parents: 35347 diff changeset	2055 Returns True and original set is restored. */
2f1bf64b837e Numerous fix-ups to C API and docs. Added tests for C API. Raymond Hettinger <python@rcn.com> parents: 35347 diff changeset	2056
2f1bf64b837e Numerous fix-ups to C API and docs. Added tests for C API. Raymond Hettinger <python@rcn.com> parents: 35347 diff changeset	2057 #define assertRaises(call_return_value, exception) \
2f1bf64b837e Numerous fix-ups to C API and docs. Added tests for C API. Raymond Hettinger <python@rcn.com> parents: 35347 diff changeset	2058 do { \
2f1bf64b837e Numerous fix-ups to C API and docs. Added tests for C API. Raymond Hettinger <python@rcn.com> parents: 35347 diff changeset	2059 assert(call_return_value); \
2f1bf64b837e Numerous fix-ups to C API and docs. Added tests for C API. Raymond Hettinger <python@rcn.com> parents: 35347 diff changeset	2060 assert(PyErr_ExceptionMatches(exception)); \
2f1bf64b837e Numerous fix-ups to C API and docs. Added tests for C API. Raymond Hettinger <python@rcn.com> parents: 35347 diff changeset	2061 PyErr_Clear(); \
2f1bf64b837e Numerous fix-ups to C API and docs. Added tests for C API. Raymond Hettinger <python@rcn.com> parents: 35347 diff changeset	2062 } while(0)
2f1bf64b837e Numerous fix-ups to C API and docs. Added tests for C API. Raymond Hettinger <python@rcn.com> parents: 35347 diff changeset	2063
2f1bf64b837e Numerous fix-ups to C API and docs. Added tests for C API. Raymond Hettinger <python@rcn.com> parents: 35347 diff changeset	2064 static PyObject *
2f1bf64b837e Numerous fix-ups to C API and docs. Added tests for C API. Raymond Hettinger <python@rcn.com> parents: 35347 diff changeset	2065 test_c_api(PySetObject *so)
2f1bf64b837e Numerous fix-ups to C API and docs. Added tests for C API. Raymond Hettinger <python@rcn.com> parents: 35347 diff changeset	2066 {
38872 805f41881e27 Use Py_ssize_t Neal Norwitz <nnorwitz@gmail.com> parents: 37747 diff changeset	2067 Py_ssize_t count;
37315 19059df45cfe SF patch #1458476 with modifications based on discussions in python-dev. This Barry Warsaw <barry@python.org> parents: 37304 diff changeset	2068 char *s;
19059df45cfe SF patch #1458476 with modifications based on discussions in python-dev. This Barry Warsaw <barry@python.org> parents: 37304 diff changeset	2069 Py_ssize_t i;
19059df45cfe SF patch #1458476 with modifications based on discussions in python-dev. This Barry Warsaw <barry@python.org> parents: 37304 diff changeset	2070 PyObject elem, dup, t, f, *dup2;
19059df45cfe SF patch #1458476 with modifications based on discussions in python-dev. This Barry Warsaw <barry@python.org> parents: 37304 diff changeset	2071 PyObject ob = (PyObject )so;
35348 2f1bf64b837e Numerous fix-ups to C API and docs. Added tests for C API. Raymond Hettinger <python@rcn.com> parents: 35347 diff changeset	2072
2f1bf64b837e Numerous fix-ups to C API and docs. Added tests for C API. Raymond Hettinger <python@rcn.com> parents: 35347 diff changeset	2073 /* Verify preconditions and exercise type/size checks */
2f1bf64b837e Numerous fix-ups to C API and docs. Added tests for C API. Raymond Hettinger <python@rcn.com> parents: 35347 diff changeset	2074 assert(PyAnySet_Check(ob));
2f1bf64b837e Numerous fix-ups to C API and docs. Added tests for C API. Raymond Hettinger <python@rcn.com> parents: 35347 diff changeset	2075 assert(PyAnySet_CheckExact(ob));
2f1bf64b837e Numerous fix-ups to C API and docs. Added tests for C API. Raymond Hettinger <python@rcn.com> parents: 35347 diff changeset	2076 assert(!PyFrozenSet_CheckExact(ob));
2f1bf64b837e Numerous fix-ups to C API and docs. Added tests for C API. Raymond Hettinger <python@rcn.com> parents: 35347 diff changeset	2077 assert(PySet_Size(ob) == 3);
2f1bf64b837e Numerous fix-ups to C API and docs. Added tests for C API. Raymond Hettinger <python@rcn.com> parents: 35347 diff changeset	2078 assert(PySet_GET_SIZE(ob) == 3);
2f1bf64b837e Numerous fix-ups to C API and docs. Added tests for C API. Raymond Hettinger <python@rcn.com> parents: 35347 diff changeset	2079
2f1bf64b837e Numerous fix-ups to C API and docs. Added tests for C API. Raymond Hettinger <python@rcn.com> parents: 35347 diff changeset	2080 /* Raise TypeError for non-iterable constructor arguments */
2f1bf64b837e Numerous fix-ups to C API and docs. Added tests for C API. Raymond Hettinger <python@rcn.com> parents: 35347 diff changeset	2081 assertRaises(PySet_New(Py_None) == NULL, PyExc_TypeError);
2f1bf64b837e Numerous fix-ups to C API and docs. Added tests for C API. Raymond Hettinger <python@rcn.com> parents: 35347 diff changeset	2082 assertRaises(PyFrozenSet_New(Py_None) == NULL, PyExc_TypeError);
2f1bf64b837e Numerous fix-ups to C API and docs. Added tests for C API. Raymond Hettinger <python@rcn.com> parents: 35347 diff changeset	2083
2f1bf64b837e Numerous fix-ups to C API and docs. Added tests for C API. Raymond Hettinger <python@rcn.com> parents: 35347 diff changeset	2084 /* Raise TypeError for unhashable key */
2f1bf64b837e Numerous fix-ups to C API and docs. Added tests for C API. Raymond Hettinger <python@rcn.com> parents: 35347 diff changeset	2085 dup = PySet_New(ob);
2f1bf64b837e Numerous fix-ups to C API and docs. Added tests for C API. Raymond Hettinger <python@rcn.com> parents: 35347 diff changeset	2086 assertRaises(PySet_Discard(ob, dup) == -1, PyExc_TypeError);
2f1bf64b837e Numerous fix-ups to C API and docs. Added tests for C API. Raymond Hettinger <python@rcn.com> parents: 35347 diff changeset	2087 assertRaises(PySet_Contains(ob, dup) == -1, PyExc_TypeError);
2f1bf64b837e Numerous fix-ups to C API and docs. Added tests for C API. Raymond Hettinger <python@rcn.com> parents: 35347 diff changeset	2088 assertRaises(PySet_Add(ob, dup) == -1, PyExc_TypeError);
2f1bf64b837e Numerous fix-ups to C API and docs. Added tests for C API. Raymond Hettinger <python@rcn.com> parents: 35347 diff changeset	2089
2f1bf64b837e Numerous fix-ups to C API and docs. Added tests for C API. Raymond Hettinger <python@rcn.com> parents: 35347 diff changeset	2090 /* Exercise successful pop, contains, add, and discard */
2f1bf64b837e Numerous fix-ups to C API and docs. Added tests for C API. Raymond Hettinger <python@rcn.com> parents: 35347 diff changeset	2091 elem = PySet_Pop(ob);
2f1bf64b837e Numerous fix-ups to C API and docs. Added tests for C API. Raymond Hettinger <python@rcn.com> parents: 35347 diff changeset	2092 assert(PySet_Contains(ob, elem) == 0);
2f1bf64b837e Numerous fix-ups to C API and docs. Added tests for C API. Raymond Hettinger <python@rcn.com> parents: 35347 diff changeset	2093 assert(PySet_GET_SIZE(ob) == 2);
2f1bf64b837e Numerous fix-ups to C API and docs. Added tests for C API. Raymond Hettinger <python@rcn.com> parents: 35347 diff changeset	2094 assert(PySet_Add(ob, elem) == 0);
2f1bf64b837e Numerous fix-ups to C API and docs. Added tests for C API. Raymond Hettinger <python@rcn.com> parents: 35347 diff changeset	2095 assert(PySet_Contains(ob, elem) == 1);
2f1bf64b837e Numerous fix-ups to C API and docs. Added tests for C API. Raymond Hettinger <python@rcn.com> parents: 35347 diff changeset	2096 assert(PySet_GET_SIZE(ob) == 3);
2f1bf64b837e Numerous fix-ups to C API and docs. Added tests for C API. Raymond Hettinger <python@rcn.com> parents: 35347 diff changeset	2097 assert(PySet_Discard(ob, elem) == 1);
2f1bf64b837e Numerous fix-ups to C API and docs. Added tests for C API. Raymond Hettinger <python@rcn.com> parents: 35347 diff changeset	2098 assert(PySet_GET_SIZE(ob) == 2);
2f1bf64b837e Numerous fix-ups to C API and docs. Added tests for C API. Raymond Hettinger <python@rcn.com> parents: 35347 diff changeset	2099 assert(PySet_Discard(ob, elem) == 0);
2f1bf64b837e Numerous fix-ups to C API and docs. Added tests for C API. Raymond Hettinger <python@rcn.com> parents: 35347 diff changeset	2100 assert(PySet_GET_SIZE(ob) == 2);
2f1bf64b837e Numerous fix-ups to C API and docs. Added tests for C API. Raymond Hettinger <python@rcn.com> parents: 35347 diff changeset	2101
37315 19059df45cfe SF patch #1458476 with modifications based on discussions in python-dev. This Barry Warsaw <barry@python.org> parents: 37304 diff changeset	2102 /* Exercise clear */
19059df45cfe SF patch #1458476 with modifications based on discussions in python-dev. This Barry Warsaw <barry@python.org> parents: 37304 diff changeset	2103 dup2 = PySet_New(dup);
19059df45cfe SF patch #1458476 with modifications based on discussions in python-dev. This Barry Warsaw <barry@python.org> parents: 37304 diff changeset	2104 assert(PySet_Clear(dup2) == 0);
19059df45cfe SF patch #1458476 with modifications based on discussions in python-dev. This Barry Warsaw <barry@python.org> parents: 37304 diff changeset	2105 assert(PySet_Size(dup2) == 0);
19059df45cfe SF patch #1458476 with modifications based on discussions in python-dev. This Barry Warsaw <barry@python.org> parents: 37304 diff changeset	2106 Py_DECREF(dup2);
19059df45cfe SF patch #1458476 with modifications based on discussions in python-dev. This Barry Warsaw <barry@python.org> parents: 37304 diff changeset	2107
19059df45cfe SF patch #1458476 with modifications based on discussions in python-dev. This Barry Warsaw <barry@python.org> parents: 37304 diff changeset	2108 /* Raise SystemError on clear or update of frozen set */
19059df45cfe SF patch #1458476 with modifications based on discussions in python-dev. This Barry Warsaw <barry@python.org> parents: 37304 diff changeset	2109 f = PyFrozenSet_New(dup);
19059df45cfe SF patch #1458476 with modifications based on discussions in python-dev. This Barry Warsaw <barry@python.org> parents: 37304 diff changeset	2110 assertRaises(PySet_Clear(f) == -1, PyExc_SystemError);
19059df45cfe SF patch #1458476 with modifications based on discussions in python-dev. This Barry Warsaw <barry@python.org> parents: 37304 diff changeset	2111 assertRaises(_PySet_Update(f, dup) == -1, PyExc_SystemError);
19059df45cfe SF patch #1458476 with modifications based on discussions in python-dev. This Barry Warsaw <barry@python.org> parents: 37304 diff changeset	2112 Py_DECREF(f);
19059df45cfe SF patch #1458476 with modifications based on discussions in python-dev. This Barry Warsaw <barry@python.org> parents: 37304 diff changeset	2113
19059df45cfe SF patch #1458476 with modifications based on discussions in python-dev. This Barry Warsaw <barry@python.org> parents: 37304 diff changeset	2114 /* Exercise direct iteration */
19059df45cfe SF patch #1458476 with modifications based on discussions in python-dev. This Barry Warsaw <barry@python.org> parents: 37304 diff changeset	2115 i = 0, count = 0;
19059df45cfe SF patch #1458476 with modifications based on discussions in python-dev. This Barry Warsaw <barry@python.org> parents: 37304 diff changeset	2116 while (_PySet_Next((PyObject *)dup, &i, &elem)) {
19059df45cfe SF patch #1458476 with modifications based on discussions in python-dev. This Barry Warsaw <barry@python.org> parents: 37304 diff changeset	2117 s = PyString_AsString(elem);
19059df45cfe SF patch #1458476 with modifications based on discussions in python-dev. This Barry Warsaw <barry@python.org> parents: 37304 diff changeset	2118 assert(s && (s[0] == 'a' \|\| s[0] == 'b' \|\| s[0] == 'c'));
19059df45cfe SF patch #1458476 with modifications based on discussions in python-dev. This Barry Warsaw <barry@python.org> parents: 37304 diff changeset	2119 count++;
19059df45cfe SF patch #1458476 with modifications based on discussions in python-dev. This Barry Warsaw <barry@python.org> parents: 37304 diff changeset	2120 }
19059df45cfe SF patch #1458476 with modifications based on discussions in python-dev. This Barry Warsaw <barry@python.org> parents: 37304 diff changeset	2121 assert(count == 3);
19059df45cfe SF patch #1458476 with modifications based on discussions in python-dev. This Barry Warsaw <barry@python.org> parents: 37304 diff changeset	2122
19059df45cfe SF patch #1458476 with modifications based on discussions in python-dev. This Barry Warsaw <barry@python.org> parents: 37304 diff changeset	2123 /* Exercise updates */
19059df45cfe SF patch #1458476 with modifications based on discussions in python-dev. This Barry Warsaw <barry@python.org> parents: 37304 diff changeset	2124 dup2 = PySet_New(NULL);
19059df45cfe SF patch #1458476 with modifications based on discussions in python-dev. This Barry Warsaw <barry@python.org> parents: 37304 diff changeset	2125 assert(_PySet_Update(dup2, dup) == 0);
19059df45cfe SF patch #1458476 with modifications based on discussions in python-dev. This Barry Warsaw <barry@python.org> parents: 37304 diff changeset	2126 assert(PySet_Size(dup2) == 3);
19059df45cfe SF patch #1458476 with modifications based on discussions in python-dev. This Barry Warsaw <barry@python.org> parents: 37304 diff changeset	2127 assert(_PySet_Update(dup2, dup) == 0);
19059df45cfe SF patch #1458476 with modifications based on discussions in python-dev. This Barry Warsaw <barry@python.org> parents: 37304 diff changeset	2128 assert(PySet_Size(dup2) == 3);
19059df45cfe SF patch #1458476 with modifications based on discussions in python-dev. This Barry Warsaw <barry@python.org> parents: 37304 diff changeset	2129 Py_DECREF(dup2);
19059df45cfe SF patch #1458476 with modifications based on discussions in python-dev. This Barry Warsaw <barry@python.org> parents: 37304 diff changeset	2130
35348 2f1bf64b837e Numerous fix-ups to C API and docs. Added tests for C API. Raymond Hettinger <python@rcn.com> parents: 35347 diff changeset	2131 /* Raise SystemError when self argument is not a set or frozenset. */
2f1bf64b837e Numerous fix-ups to C API and docs. Added tests for C API. Raymond Hettinger <python@rcn.com> parents: 35347 diff changeset	2132 t = PyTuple_New(0);
2f1bf64b837e Numerous fix-ups to C API and docs. Added tests for C API. Raymond Hettinger <python@rcn.com> parents: 35347 diff changeset	2133 assertRaises(PySet_Size(t) == -1, PyExc_SystemError);
2f1bf64b837e Numerous fix-ups to C API and docs. Added tests for C API. Raymond Hettinger <python@rcn.com> parents: 35347 diff changeset	2134 assertRaises(PySet_Contains(t, elem) == -1, PyExc_SystemError);
2f1bf64b837e Numerous fix-ups to C API and docs. Added tests for C API. Raymond Hettinger <python@rcn.com> parents: 35347 diff changeset	2135 Py_DECREF(t);
2f1bf64b837e Numerous fix-ups to C API and docs. Added tests for C API. Raymond Hettinger <python@rcn.com> parents: 35347 diff changeset	2136
2f1bf64b837e Numerous fix-ups to C API and docs. Added tests for C API. Raymond Hettinger <python@rcn.com> parents: 35347 diff changeset	2137 /* Raise SystemError when self argument is not a set. */
2f1bf64b837e Numerous fix-ups to C API and docs. Added tests for C API. Raymond Hettinger <python@rcn.com> parents: 35347 diff changeset	2138 f = PyFrozenSet_New(dup);
2f1bf64b837e Numerous fix-ups to C API and docs. Added tests for C API. Raymond Hettinger <python@rcn.com> parents: 35347 diff changeset	2139 assert(PySet_Size(f) == 3);
2f1bf64b837e Numerous fix-ups to C API and docs. Added tests for C API. Raymond Hettinger <python@rcn.com> parents: 35347 diff changeset	2140 assert(PyFrozenSet_CheckExact(f));
2f1bf64b837e Numerous fix-ups to C API and docs. Added tests for C API. Raymond Hettinger <python@rcn.com> parents: 35347 diff changeset	2141 assertRaises(PySet_Add(f, elem) == -1, PyExc_SystemError);
2f1bf64b837e Numerous fix-ups to C API and docs. Added tests for C API. Raymond Hettinger <python@rcn.com> parents: 35347 diff changeset	2142 assertRaises(PySet_Discard(f, elem) == -1, PyExc_SystemError);
2f1bf64b837e Numerous fix-ups to C API and docs. Added tests for C API. Raymond Hettinger <python@rcn.com> parents: 35347 diff changeset	2143 assertRaises(PySet_Pop(f) == NULL, PyExc_SystemError);
2f1bf64b837e Numerous fix-ups to C API and docs. Added tests for C API. Raymond Hettinger <python@rcn.com> parents: 35347 diff changeset	2144 Py_DECREF(f);
2f1bf64b837e Numerous fix-ups to C API and docs. Added tests for C API. Raymond Hettinger <python@rcn.com> parents: 35347 diff changeset	2145
2f1bf64b837e Numerous fix-ups to C API and docs. Added tests for C API. Raymond Hettinger <python@rcn.com> parents: 35347 diff changeset	2146 /* Raise KeyError when popping from an empty set */
35353 e8806094d644 Add shortcuts for a\|a and a&a. Raymond Hettinger <python@rcn.com> parents: 35349 diff changeset	2147 assert(PyNumber_InPlaceSubtract(ob, ob) == ob);
e8806094d644 Add shortcuts for a\|a and a&a. Raymond Hettinger <python@rcn.com> parents: 35349 diff changeset	2148 Py_DECREF(ob);
35348 2f1bf64b837e Numerous fix-ups to C API and docs. Added tests for C API. Raymond Hettinger <python@rcn.com> parents: 35347 diff changeset	2149 assert(PySet_GET_SIZE(ob) == 0);
2f1bf64b837e Numerous fix-ups to C API and docs. Added tests for C API. Raymond Hettinger <python@rcn.com> parents: 35347 diff changeset	2150 assertRaises(PySet_Pop(ob) == NULL, PyExc_KeyError);
2f1bf64b837e Numerous fix-ups to C API and docs. Added tests for C API. Raymond Hettinger <python@rcn.com> parents: 35347 diff changeset	2151
35353 e8806094d644 Add shortcuts for a\|a and a&a. Raymond Hettinger <python@rcn.com> parents: 35349 diff changeset	2152 /* Restore the set from the copy using the PyNumber API */
e8806094d644 Add shortcuts for a\|a and a&a. Raymond Hettinger <python@rcn.com> parents: 35349 diff changeset	2153 assert(PyNumber_InPlaceOr(ob, dup) == ob);
e8806094d644 Add shortcuts for a\|a and a&a. Raymond Hettinger <python@rcn.com> parents: 35349 diff changeset	2154 Py_DECREF(ob);
35348 2f1bf64b837e Numerous fix-ups to C API and docs. Added tests for C API. Raymond Hettinger <python@rcn.com> parents: 35347 diff changeset	2155
2f1bf64b837e Numerous fix-ups to C API and docs. Added tests for C API. Raymond Hettinger <python@rcn.com> parents: 35347 diff changeset	2156 /* Verify constructors accept NULL arguments */
2f1bf64b837e Numerous fix-ups to C API and docs. Added tests for C API. Raymond Hettinger <python@rcn.com> parents: 35347 diff changeset	2157 f = PySet_New(NULL);
2f1bf64b837e Numerous fix-ups to C API and docs. Added tests for C API. Raymond Hettinger <python@rcn.com> parents: 35347 diff changeset	2158 assert(f != NULL);
2f1bf64b837e Numerous fix-ups to C API and docs. Added tests for C API. Raymond Hettinger <python@rcn.com> parents: 35347 diff changeset	2159 assert(PySet_GET_SIZE(f) == 0);
2f1bf64b837e Numerous fix-ups to C API and docs. Added tests for C API. Raymond Hettinger <python@rcn.com> parents: 35347 diff changeset	2160 Py_DECREF(f);
2f1bf64b837e Numerous fix-ups to C API and docs. Added tests for C API. Raymond Hettinger <python@rcn.com> parents: 35347 diff changeset	2161 f = PyFrozenSet_New(NULL);
2f1bf64b837e Numerous fix-ups to C API and docs. Added tests for C API. Raymond Hettinger <python@rcn.com> parents: 35347 diff changeset	2162 assert(f != NULL);
2f1bf64b837e Numerous fix-ups to C API and docs. Added tests for C API. Raymond Hettinger <python@rcn.com> parents: 35347 diff changeset	2163 assert(PyFrozenSet_CheckExact(f));
2f1bf64b837e Numerous fix-ups to C API and docs. Added tests for C API. Raymond Hettinger <python@rcn.com> parents: 35347 diff changeset	2164 assert(PySet_GET_SIZE(f) == 0);
2f1bf64b837e Numerous fix-ups to C API and docs. Added tests for C API. Raymond Hettinger <python@rcn.com> parents: 35347 diff changeset	2165 Py_DECREF(f);
2f1bf64b837e Numerous fix-ups to C API and docs. Added tests for C API. Raymond Hettinger <python@rcn.com> parents: 35347 diff changeset	2166
2f1bf64b837e Numerous fix-ups to C API and docs. Added tests for C API. Raymond Hettinger <python@rcn.com> parents: 35347 diff changeset	2167 Py_DECREF(elem);
2f1bf64b837e Numerous fix-ups to C API and docs. Added tests for C API. Raymond Hettinger <python@rcn.com> parents: 35347 diff changeset	2168 Py_DECREF(dup);
2f1bf64b837e Numerous fix-ups to C API and docs. Added tests for C API. Raymond Hettinger <python@rcn.com> parents: 35347 diff changeset	2169 Py_RETURN_TRUE;
2f1bf64b837e Numerous fix-ups to C API and docs. Added tests for C API. Raymond Hettinger <python@rcn.com> parents: 35347 diff changeset	2170 }
2f1bf64b837e Numerous fix-ups to C API and docs. Added tests for C API. Raymond Hettinger <python@rcn.com> parents: 35347 diff changeset	2171
35581 37859c6ad5bb No longer ignore exceptions raised by comparisons during key lookup. Raymond Hettinger <python@rcn.com> parents: 35449 diff changeset	2172 #undef assertRaises
37859c6ad5bb No longer ignore exceptions raised by comparisons during key lookup. Raymond Hettinger <python@rcn.com> parents: 35449 diff changeset	2173
35348 2f1bf64b837e Numerous fix-ups to C API and docs. Added tests for C API. Raymond Hettinger <python@rcn.com> parents: 35347 diff changeset	2174 #endif

Mercurial > cpython-lru_cache-weakref

annotate Objects/setobject.c @ 39042:c02fa187e0f4 legacy-trunk