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

annotate Objects/object.c @ 44825:ef859cd754a7 legacy-trunk

Fixed a wrong assumption in configure.in and Include/pyport.h. The is finite function is not called isfinite() but finite(). Sorry, my fault. :)

author	Christian Heimes <christian@cheimes.de>
date	Sun, 20 Jan 2008 14:28:28 +0000
parents	387d48c3a0b3
children	ebbb7bb0033b

rev	line source
145 853b736a6a9e Added copyright notice. Guido van Rossum <guido@python.org> parents: 95 diff changeset	1
86 a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: 58 diff changeset	2 /* Generic object operations; and implementation of None (NoObject) */
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	3
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5006 diff changeset	4 #include "Python.h"
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	5
37655 2f3f2e32dfd9 spread the extern "C" { } magic pixie dust around. Python itself builds now Anthony Baxter <anthonybaxter@gmail.com> parents: 37638 diff changeset	6 #ifdef __cplusplus
2f3f2e32dfd9 spread the extern "C" { } magic pixie dust around. Python itself builds now Anthony Baxter <anthonybaxter@gmail.com> parents: 37638 diff changeset	7 extern "C" {
2f3f2e32dfd9 spread the extern "C" { } magic pixie dust around. Python itself builds now Anthony Baxter <anthonybaxter@gmail.com> parents: 37638 diff changeset	8 #endif
2f3f2e32dfd9 spread the extern "C" { } magic pixie dust around. Python itself builds now Anthony Baxter <anthonybaxter@gmail.com> parents: 37638 diff changeset	9
24184 c4dcb80f48ea object.h special-build macro minefield: renamed all the new lexical Tim Peters <tim.peters@gmail.com> parents: 24155 diff changeset	10 #ifdef Py_REF_DEBUG
36838 dedc2c94d112 Oops, forgot to include this in the last checkin. Neal Norwitz <nnorwitz@gmail.com> parents: 36759 diff changeset	11 Py_ssize_t _Py_RefTotal;
37638 65ecb83ea7dd Ignore the references to the dummy objects used as deleted keys Armin Rigo <arigo@tunes.org> parents: 37609 diff changeset	12
65ecb83ea7dd Ignore the references to the dummy objects used as deleted keys Armin Rigo <arigo@tunes.org> parents: 37609 diff changeset	13 Py_ssize_t
65ecb83ea7dd Ignore the references to the dummy objects used as deleted keys Armin Rigo <arigo@tunes.org> parents: 37609 diff changeset	14 _Py_GetRefTotal(void)
65ecb83ea7dd Ignore the references to the dummy objects used as deleted keys Armin Rigo <arigo@tunes.org> parents: 37609 diff changeset	15 {
65ecb83ea7dd Ignore the references to the dummy objects used as deleted keys Armin Rigo <arigo@tunes.org> parents: 37609 diff changeset	16 PyObject *o;
65ecb83ea7dd Ignore the references to the dummy objects used as deleted keys Armin Rigo <arigo@tunes.org> parents: 37609 diff changeset	17 Py_ssize_t total = _Py_RefTotal;
65ecb83ea7dd Ignore the references to the dummy objects used as deleted keys Armin Rigo <arigo@tunes.org> parents: 37609 diff changeset	18 /* ignore the references to the dummy object of the dicts and sets
65ecb83ea7dd Ignore the references to the dummy objects used as deleted keys Armin Rigo <arigo@tunes.org> parents: 37609 diff changeset	19 because they are not reliable and not useful (now that the
65ecb83ea7dd Ignore the references to the dummy objects used as deleted keys Armin Rigo <arigo@tunes.org> parents: 37609 diff changeset	20 hash table code is well-tested) */
65ecb83ea7dd Ignore the references to the dummy objects used as deleted keys Armin Rigo <arigo@tunes.org> parents: 37609 diff changeset	21 o = _PyDict_Dummy();
65ecb83ea7dd Ignore the references to the dummy objects used as deleted keys Armin Rigo <arigo@tunes.org> parents: 37609 diff changeset	22 if (o != NULL)
65ecb83ea7dd Ignore the references to the dummy objects used as deleted keys Armin Rigo <arigo@tunes.org> parents: 37609 diff changeset	23 total -= o->ob_refcnt;
65ecb83ea7dd Ignore the references to the dummy objects used as deleted keys Armin Rigo <arigo@tunes.org> parents: 37609 diff changeset	24 o = _PySet_Dummy();
65ecb83ea7dd Ignore the references to the dummy objects used as deleted keys Armin Rigo <arigo@tunes.org> parents: 37609 diff changeset	25 if (o != NULL)
65ecb83ea7dd Ignore the references to the dummy objects used as deleted keys Armin Rigo <arigo@tunes.org> parents: 37609 diff changeset	26 total -= o->ob_refcnt;
65ecb83ea7dd Ignore the references to the dummy objects used as deleted keys Armin Rigo <arigo@tunes.org> parents: 37609 diff changeset	27 return total;
65ecb83ea7dd Ignore the references to the dummy objects used as deleted keys Armin Rigo <arigo@tunes.org> parents: 37609 diff changeset	28 }
65ecb83ea7dd Ignore the references to the dummy objects used as deleted keys Armin Rigo <arigo@tunes.org> parents: 37609 diff changeset	29 #endif /* Py_REF_DEBUG */
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	30
24420 36e2fd3f08f7 Excise DL_IMPORT/EXPORT from object.h, and related files. This patch Mark Hammond <mhammond@skippinet.com.au> parents: 24184 diff changeset	31 int Py_DivisionWarningFlag;
41832 a0ee3b2ba361 Add -3 option to the interpreter to warn about features that are Neal Norwitz <nnorwitz@gmail.com> parents: 41214 diff changeset	32 int Py_Py3kWarningFlag;
19633 c0a44829bcd5 Add warning mode for classic division, almost exactly as specified in Guido van Rossum <guido@python.org> parents: 19620 diff changeset	33
86 a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: 58 diff changeset	34 /* Object allocation routines used by NEWOBJ and NEWVAROBJ macros.
a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: 58 diff changeset	35 These are used by the individual routines for object creation.
a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: 58 diff changeset	36 Do not call them otherwise, they do not initialize the object! */
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	37
28387 983e9291a7b4 When Py_TRACE_REFS is defined, a list of all live objects is maintained in Tim Peters <tim.peters@gmail.com> parents: 28320 diff changeset	38 #ifdef Py_TRACE_REFS
28396 d56282c28a1e Improved new Py_TRACE_REFS gimmicks. Tim Peters <tim.peters@gmail.com> parents: 28389 diff changeset	39 /* Head of circular doubly-linked list of all objects. These are linked
d56282c28a1e Improved new Py_TRACE_REFS gimmicks. Tim Peters <tim.peters@gmail.com> parents: 28389 diff changeset	40 * together via the _ob_prev and _ob_next members of a PyObject, which
d56282c28a1e Improved new Py_TRACE_REFS gimmicks. Tim Peters <tim.peters@gmail.com> parents: 28389 diff changeset	41 * exist only in a Py_TRACE_REFS build.
d56282c28a1e Improved new Py_TRACE_REFS gimmicks. Tim Peters <tim.peters@gmail.com> parents: 28389 diff changeset	42 */
28387 983e9291a7b4 When Py_TRACE_REFS is defined, a list of all live objects is maintained in Tim Peters <tim.peters@gmail.com> parents: 28320 diff changeset	43 static PyObject refchain = {&refchain, &refchain};
28389 4ede57a42c62 Refactored some of the Py_TRACE_REFS code. New private API function Tim Peters <tim.peters@gmail.com> parents: 28388 diff changeset	44
28396 d56282c28a1e Improved new Py_TRACE_REFS gimmicks. Tim Peters <tim.peters@gmail.com> parents: 28389 diff changeset	45 /* Insert op at the front of the list of all objects. If force is true,
d56282c28a1e Improved new Py_TRACE_REFS gimmicks. Tim Peters <tim.peters@gmail.com> parents: 28389 diff changeset	46 * op is added even if _ob_prev and _ob_next are non-NULL already. If
d56282c28a1e Improved new Py_TRACE_REFS gimmicks. Tim Peters <tim.peters@gmail.com> parents: 28389 diff changeset	47 * force is false amd _ob_prev or _ob_next are non-NULL, do nothing.
d56282c28a1e Improved new Py_TRACE_REFS gimmicks. Tim Peters <tim.peters@gmail.com> parents: 28389 diff changeset	48 * force should be true if and only if op points to freshly allocated,
d56282c28a1e Improved new Py_TRACE_REFS gimmicks. Tim Peters <tim.peters@gmail.com> parents: 28389 diff changeset	49 * uninitialized memory, or you've unlinked op from the list and are
28397 4f038d3a8878 Typo in comment. Tim Peters <tim.peters@gmail.com> parents: 28396 diff changeset	50 * relinking it into the front.
28396 d56282c28a1e Improved new Py_TRACE_REFS gimmicks. Tim Peters <tim.peters@gmail.com> parents: 28389 diff changeset	51 * Note that objects are normally added to the list via _Py_NewReference,
d56282c28a1e Improved new Py_TRACE_REFS gimmicks. Tim Peters <tim.peters@gmail.com> parents: 28389 diff changeset	52 * which is called by PyObject_Init. Not all objects are initialized that
d56282c28a1e Improved new Py_TRACE_REFS gimmicks. Tim Peters <tim.peters@gmail.com> parents: 28389 diff changeset	53 * way, though; exceptions include statically allocated type objects, and
d56282c28a1e Improved new Py_TRACE_REFS gimmicks. Tim Peters <tim.peters@gmail.com> parents: 28389 diff changeset	54 * statically allocated singletons (like Py_True and Py_None).
d56282c28a1e Improved new Py_TRACE_REFS gimmicks. Tim Peters <tim.peters@gmail.com> parents: 28389 diff changeset	55 */
28389 4ede57a42c62 Refactored some of the Py_TRACE_REFS code. New private API function Tim Peters <tim.peters@gmail.com> parents: 28388 diff changeset	56 void
28396 d56282c28a1e Improved new Py_TRACE_REFS gimmicks. Tim Peters <tim.peters@gmail.com> parents: 28389 diff changeset	57 _Py_AddToAllObjects(PyObject *op, int force)
28389 4ede57a42c62 Refactored some of the Py_TRACE_REFS code. New private API function Tim Peters <tim.peters@gmail.com> parents: 28388 diff changeset	58 {
28396 d56282c28a1e Improved new Py_TRACE_REFS gimmicks. Tim Peters <tim.peters@gmail.com> parents: 28389 diff changeset	59 #ifdef Py_DEBUG
d56282c28a1e Improved new Py_TRACE_REFS gimmicks. Tim Peters <tim.peters@gmail.com> parents: 28389 diff changeset	60 if (!force) {
d56282c28a1e Improved new Py_TRACE_REFS gimmicks. Tim Peters <tim.peters@gmail.com> parents: 28389 diff changeset	61 /* If it's initialized memory, op must be in or out of
d56282c28a1e Improved new Py_TRACE_REFS gimmicks. Tim Peters <tim.peters@gmail.com> parents: 28389 diff changeset	62 * the list unambiguously.
d56282c28a1e Improved new Py_TRACE_REFS gimmicks. Tim Peters <tim.peters@gmail.com> parents: 28389 diff changeset	63 */
d56282c28a1e Improved new Py_TRACE_REFS gimmicks. Tim Peters <tim.peters@gmail.com> parents: 28389 diff changeset	64 assert((op->_ob_prev == NULL) == (op->_ob_next == NULL));
d56282c28a1e Improved new Py_TRACE_REFS gimmicks. Tim Peters <tim.peters@gmail.com> parents: 28389 diff changeset	65 }
d56282c28a1e Improved new Py_TRACE_REFS gimmicks. Tim Peters <tim.peters@gmail.com> parents: 28389 diff changeset	66 #endif
d56282c28a1e Improved new Py_TRACE_REFS gimmicks. Tim Peters <tim.peters@gmail.com> parents: 28389 diff changeset	67 if (force \|\| op->_ob_prev == NULL) {
d56282c28a1e Improved new Py_TRACE_REFS gimmicks. Tim Peters <tim.peters@gmail.com> parents: 28389 diff changeset	68 op->_ob_next = refchain._ob_next;
d56282c28a1e Improved new Py_TRACE_REFS gimmicks. Tim Peters <tim.peters@gmail.com> parents: 28389 diff changeset	69 op->_ob_prev = &refchain;
d56282c28a1e Improved new Py_TRACE_REFS gimmicks. Tim Peters <tim.peters@gmail.com> parents: 28389 diff changeset	70 refchain._ob_next->_ob_prev = op;
d56282c28a1e Improved new Py_TRACE_REFS gimmicks. Tim Peters <tim.peters@gmail.com> parents: 28389 diff changeset	71 refchain._ob_next = op;
d56282c28a1e Improved new Py_TRACE_REFS gimmicks. Tim Peters <tim.peters@gmail.com> parents: 28389 diff changeset	72 }
28389 4ede57a42c62 Refactored some of the Py_TRACE_REFS code. New private API function Tim Peters <tim.peters@gmail.com> parents: 28388 diff changeset	73 }
28396 d56282c28a1e Improved new Py_TRACE_REFS gimmicks. Tim Peters <tim.peters@gmail.com> parents: 28389 diff changeset	74 #endif /* Py_TRACE_REFS */
28387 983e9291a7b4 When Py_TRACE_REFS is defined, a list of all live objects is maintained in Tim Peters <tim.peters@gmail.com> parents: 28320 diff changeset	75
1347 a22a350d3a5d * Extended X interface: pixmap objects, colormap objects visual objects, Sjoerd Mullender <sjoerd@acm.org> parents: 1324 diff changeset	76 #ifdef COUNT_ALLOCS
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5006 diff changeset	77 static PyTypeObject *type_list;
37832 174062f7c1be Comment typo fix Andrew M. Kuchling <amk@amk.ca> parents: 37831 diff changeset	78 /* All types are added to type_list, at least when
37831 d82dced6f1fa Remove types from type_list if they have no objects Martin v. Löwis <martin@v.loewis.de> parents: 37655 diff changeset	79 they get one object created. That makes them
d82dced6f1fa Remove types from type_list if they have no objects Martin v. Löwis <martin@v.loewis.de> parents: 37655 diff changeset	80 immortal, which unfortunately contributes to
d82dced6f1fa Remove types from type_list if they have no objects Martin v. Löwis <martin@v.loewis.de> parents: 37655 diff changeset	81 garbage itself. If unlist_types_without_objects
d82dced6f1fa Remove types from type_list if they have no objects Martin v. Löwis <martin@v.loewis.de> parents: 37655 diff changeset	82 is set, they will be removed from the type_list
d82dced6f1fa Remove types from type_list if they have no objects Martin v. Löwis <martin@v.loewis.de> parents: 37655 diff changeset	83 once the last object is deallocated. */
d82dced6f1fa Remove types from type_list if they have no objects Martin v. Löwis <martin@v.loewis.de> parents: 37655 diff changeset	84 int unlist_types_without_objects;
1352 4d1a15fc4748 intobject.c: Save references to small integers, so that they can be Sjoerd Mullender <sjoerd@acm.org> parents: 1347 diff changeset	85 extern int tuple_zero_allocs, fast_tuple_allocs;
4d1a15fc4748 intobject.c: Save references to small integers, so that they can be Sjoerd Mullender <sjoerd@acm.org> parents: 1347 diff changeset	86 extern int quick_int_allocs, quick_neg_int_allocs;
1356 043da19302ef Several optimizations and speed improvements. Sjoerd Mullender <sjoerd@acm.org> parents: 1352 diff changeset	87 extern int null_strings, one_strings;
1347 a22a350d3a5d * Extended X interface: pixmap objects, colormap objects visual objects, Sjoerd Mullender <sjoerd@acm.org> parents: 1324 diff changeset	88 void
37831 d82dced6f1fa Remove types from type_list if they have no objects Martin v. Löwis <martin@v.loewis.de> parents: 37655 diff changeset	89 dump_counts(FILE* f)
1347 a22a350d3a5d * Extended X interface: pixmap objects, colormap objects visual objects, Sjoerd Mullender <sjoerd@acm.org> parents: 1324 diff changeset	90 {
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5006 diff changeset	91 PyTypeObject *tp;
1347 a22a350d3a5d * Extended X interface: pixmap objects, colormap objects visual objects, Sjoerd Mullender <sjoerd@acm.org> parents: 1324 diff changeset	92
a22a350d3a5d * Extended X interface: pixmap objects, colormap objects visual objects, Sjoerd Mullender <sjoerd@acm.org> parents: 1324 diff changeset	93 for (tp = type_list; tp; tp = tp->tp_next)
37831 d82dced6f1fa Remove types from type_list if they have no objects Martin v. Löwis <martin@v.loewis.de> parents: 37655 diff changeset	94 fprintf(f, "%s alloc'd: %d, freed: %d, max in use: %d\n",
18933 09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	95 tp->tp_name, tp->tp_allocs, tp->tp_frees,
1361 7cd533cf194a import.c: When something is wrong with the .pyc, properly open the .py Sjoerd Mullender <sjoerd@acm.org> parents: 1356 diff changeset	96 tp->tp_maxalloc);
37831 d82dced6f1fa Remove types from type_list if they have no objects Martin v. Löwis <martin@v.loewis.de> parents: 37655 diff changeset	97 fprintf(f, "fast tuple allocs: %d, empty: %d\n",
1361 7cd533cf194a import.c: When something is wrong with the .pyc, properly open the .py Sjoerd Mullender <sjoerd@acm.org> parents: 1356 diff changeset	98 fast_tuple_allocs, tuple_zero_allocs);
37831 d82dced6f1fa Remove types from type_list if they have no objects Martin v. Löwis <martin@v.loewis.de> parents: 37655 diff changeset	99 fprintf(f, "fast int allocs: pos: %d, neg: %d\n",
1361 7cd533cf194a import.c: When something is wrong with the .pyc, properly open the .py Sjoerd Mullender <sjoerd@acm.org> parents: 1356 diff changeset	100 quick_int_allocs, quick_neg_int_allocs);
37831 d82dced6f1fa Remove types from type_list if they have no objects Martin v. Löwis <martin@v.loewis.de> parents: 37655 diff changeset	101 fprintf(f, "null strings: %d, 1-strings: %d\n",
1361 7cd533cf194a import.c: When something is wrong with the .pyc, properly open the .py Sjoerd Mullender <sjoerd@acm.org> parents: 1356 diff changeset	102 null_strings, one_strings);
1347 a22a350d3a5d * Extended X interface: pixmap objects, colormap objects visual objects, Sjoerd Mullender <sjoerd@acm.org> parents: 1324 diff changeset	103 }
a22a350d3a5d * Extended X interface: pixmap objects, colormap objects visual objects, Sjoerd Mullender <sjoerd@acm.org> parents: 1324 diff changeset	104
3024 54aa87b1ccee Implemented two new functions in sys: Sjoerd Mullender <sjoerd@acm.org> parents: 2827 diff changeset	105 PyObject *
13473 31b1f691a7d9 ANSI-fication of the sources. Fred Drake <fdrake@acm.org> parents: 13447 diff changeset	106 get_counts(void)
3024 54aa87b1ccee Implemented two new functions in sys: Sjoerd Mullender <sjoerd@acm.org> parents: 2827 diff changeset	107 {
54aa87b1ccee Implemented two new functions in sys: Sjoerd Mullender <sjoerd@acm.org> parents: 2827 diff changeset	108 PyTypeObject *tp;
54aa87b1ccee Implemented two new functions in sys: Sjoerd Mullender <sjoerd@acm.org> parents: 2827 diff changeset	109 PyObject *result;
54aa87b1ccee Implemented two new functions in sys: Sjoerd Mullender <sjoerd@acm.org> parents: 2827 diff changeset	110 PyObject *v;
54aa87b1ccee Implemented two new functions in sys: Sjoerd Mullender <sjoerd@acm.org> parents: 2827 diff changeset	111
54aa87b1ccee Implemented two new functions in sys: Sjoerd Mullender <sjoerd@acm.org> parents: 2827 diff changeset	112 result = PyList_New(0);
54aa87b1ccee Implemented two new functions in sys: Sjoerd Mullender <sjoerd@acm.org> parents: 2827 diff changeset	113 if (result == NULL)
54aa87b1ccee Implemented two new functions in sys: Sjoerd Mullender <sjoerd@acm.org> parents: 2827 diff changeset	114 return NULL;
54aa87b1ccee Implemented two new functions in sys: Sjoerd Mullender <sjoerd@acm.org> parents: 2827 diff changeset	115 for (tp = type_list; tp; tp = tp->tp_next) {
38485 dcf92dd7408a Correct some value converting strangenesses. Georg Brandl <georg@python.org> parents: 37832 diff changeset	116 v = Py_BuildValue("(snnn)", tp->tp_name, tp->tp_allocs,
18933 09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	117 tp->tp_frees, tp->tp_maxalloc);
3024 54aa87b1ccee Implemented two new functions in sys: Sjoerd Mullender <sjoerd@acm.org> parents: 2827 diff changeset	118 if (v == NULL) {
54aa87b1ccee Implemented two new functions in sys: Sjoerd Mullender <sjoerd@acm.org> parents: 2827 diff changeset	119 Py_DECREF(result);
54aa87b1ccee Implemented two new functions in sys: Sjoerd Mullender <sjoerd@acm.org> parents: 2827 diff changeset	120 return NULL;
54aa87b1ccee Implemented two new functions in sys: Sjoerd Mullender <sjoerd@acm.org> parents: 2827 diff changeset	121 }
54aa87b1ccee Implemented two new functions in sys: Sjoerd Mullender <sjoerd@acm.org> parents: 2827 diff changeset	122 if (PyList_Append(result, v) < 0) {
54aa87b1ccee Implemented two new functions in sys: Sjoerd Mullender <sjoerd@acm.org> parents: 2827 diff changeset	123 Py_DECREF(v);
54aa87b1ccee Implemented two new functions in sys: Sjoerd Mullender <sjoerd@acm.org> parents: 2827 diff changeset	124 Py_DECREF(result);
54aa87b1ccee Implemented two new functions in sys: Sjoerd Mullender <sjoerd@acm.org> parents: 2827 diff changeset	125 return NULL;
54aa87b1ccee Implemented two new functions in sys: Sjoerd Mullender <sjoerd@acm.org> parents: 2827 diff changeset	126 }
54aa87b1ccee Implemented two new functions in sys: Sjoerd Mullender <sjoerd@acm.org> parents: 2827 diff changeset	127 Py_DECREF(v);
54aa87b1ccee Implemented two new functions in sys: Sjoerd Mullender <sjoerd@acm.org> parents: 2827 diff changeset	128 }
54aa87b1ccee Implemented two new functions in sys: Sjoerd Mullender <sjoerd@acm.org> parents: 2827 diff changeset	129 return result;
54aa87b1ccee Implemented two new functions in sys: Sjoerd Mullender <sjoerd@acm.org> parents: 2827 diff changeset	130 }
54aa87b1ccee Implemented two new functions in sys: Sjoerd Mullender <sjoerd@acm.org> parents: 2827 diff changeset	131
1347 a22a350d3a5d * Extended X interface: pixmap objects, colormap objects visual objects, Sjoerd Mullender <sjoerd@acm.org> parents: 1324 diff changeset	132 void
13473 31b1f691a7d9 ANSI-fication of the sources. Fred Drake <fdrake@acm.org> parents: 13447 diff changeset	133 inc_count(PyTypeObject *tp)
1347 a22a350d3a5d * Extended X interface: pixmap objects, colormap objects visual objects, Sjoerd Mullender <sjoerd@acm.org> parents: 1324 diff changeset	134 {
37831 d82dced6f1fa Remove types from type_list if they have no objects Martin v. Löwis <martin@v.loewis.de> parents: 37655 diff changeset	135 if (tp->tp_next == NULL && tp->tp_prev == NULL) {
2639 f11ba9cc342f change in counting freed objects Guido van Rossum <guido@python.org> parents: 2612 diff changeset	136 /* first time; insert in linked list */
1347 a22a350d3a5d * Extended X interface: pixmap objects, colormap objects visual objects, Sjoerd Mullender <sjoerd@acm.org> parents: 1324 diff changeset	137 if (tp->tp_next != NULL) /* sanity check */
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5006 diff changeset	138 Py_FatalError("XXX inc_count sanity check");
37831 d82dced6f1fa Remove types from type_list if they have no objects Martin v. Löwis <martin@v.loewis.de> parents: 37655 diff changeset	139 if (type_list)
d82dced6f1fa Remove types from type_list if they have no objects Martin v. Löwis <martin@v.loewis.de> parents: 37655 diff changeset	140 type_list->tp_prev = tp;
1347 a22a350d3a5d * Extended X interface: pixmap objects, colormap objects visual objects, Sjoerd Mullender <sjoerd@acm.org> parents: 1324 diff changeset	141 tp->tp_next = type_list;
24144 d7d816e1f522 SF bug 578752: COUNT_ALLOCS vs heap types Tim Peters <tim.peters@gmail.com> parents: 24126 diff changeset	142 /* Note that as of Python 2.2, heap-allocated type objects
d7d816e1f522 SF bug 578752: COUNT_ALLOCS vs heap types Tim Peters <tim.peters@gmail.com> parents: 24126 diff changeset	143 * can go away, but this code requires that they stay alive
d7d816e1f522 SF bug 578752: COUNT_ALLOCS vs heap types Tim Peters <tim.peters@gmail.com> parents: 24126 diff changeset	144 * until program exit. That's why we're careful with
d7d816e1f522 SF bug 578752: COUNT_ALLOCS vs heap types Tim Peters <tim.peters@gmail.com> parents: 24126 diff changeset	145 * refcounts here. type_list gets a new reference to tp,
d7d816e1f522 SF bug 578752: COUNT_ALLOCS vs heap types Tim Peters <tim.peters@gmail.com> parents: 24126 diff changeset	146 * while ownership of the reference type_list used to hold
d7d816e1f522 SF bug 578752: COUNT_ALLOCS vs heap types Tim Peters <tim.peters@gmail.com> parents: 24126 diff changeset	147 * (if any) was transferred to tp->tp_next in the line above.
d7d816e1f522 SF bug 578752: COUNT_ALLOCS vs heap types Tim Peters <tim.peters@gmail.com> parents: 24126 diff changeset	148 * tp is thus effectively immortal after this.
d7d816e1f522 SF bug 578752: COUNT_ALLOCS vs heap types Tim Peters <tim.peters@gmail.com> parents: 24126 diff changeset	149 */
d7d816e1f522 SF bug 578752: COUNT_ALLOCS vs heap types Tim Peters <tim.peters@gmail.com> parents: 24126 diff changeset	150 Py_INCREF(tp);
1347 a22a350d3a5d * Extended X interface: pixmap objects, colormap objects visual objects, Sjoerd Mullender <sjoerd@acm.org> parents: 1324 diff changeset	151 type_list = tp;
28388 f81239c12c60 Oops! Used a wrong preprocessor symbol. Tim Peters <tim.peters@gmail.com> parents: 28387 diff changeset	152 #ifdef Py_TRACE_REFS
28396 d56282c28a1e Improved new Py_TRACE_REFS gimmicks. Tim Peters <tim.peters@gmail.com> parents: 28389 diff changeset	153 /* Also insert in the doubly-linked list of all objects,
d56282c28a1e Improved new Py_TRACE_REFS gimmicks. Tim Peters <tim.peters@gmail.com> parents: 28389 diff changeset	154 * if not already there.
d56282c28a1e Improved new Py_TRACE_REFS gimmicks. Tim Peters <tim.peters@gmail.com> parents: 28389 diff changeset	155 */
d56282c28a1e Improved new Py_TRACE_REFS gimmicks. Tim Peters <tim.peters@gmail.com> parents: 28389 diff changeset	156 _Py_AddToAllObjects((PyObject *)tp, 0);
28387 983e9291a7b4 When Py_TRACE_REFS is defined, a list of all live objects is maintained in Tim Peters <tim.peters@gmail.com> parents: 28320 diff changeset	157 #endif
1347 a22a350d3a5d * Extended X interface: pixmap objects, colormap objects visual objects, Sjoerd Mullender <sjoerd@acm.org> parents: 1324 diff changeset	158 }
18933 09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	159 tp->tp_allocs++;
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	160 if (tp->tp_allocs - tp->tp_frees > tp->tp_maxalloc)
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	161 tp->tp_maxalloc = tp->tp_allocs - tp->tp_frees;
1347 a22a350d3a5d * Extended X interface: pixmap objects, colormap objects visual objects, Sjoerd Mullender <sjoerd@acm.org> parents: 1324 diff changeset	162 }
37831 d82dced6f1fa Remove types from type_list if they have no objects Martin v. Löwis <martin@v.loewis.de> parents: 37655 diff changeset	163
d82dced6f1fa Remove types from type_list if they have no objects Martin v. Löwis <martin@v.loewis.de> parents: 37655 diff changeset	164 void dec_count(PyTypeObject *tp)
d82dced6f1fa Remove types from type_list if they have no objects Martin v. Löwis <martin@v.loewis.de> parents: 37655 diff changeset	165 {
d82dced6f1fa Remove types from type_list if they have no objects Martin v. Löwis <martin@v.loewis.de> parents: 37655 diff changeset	166 tp->tp_frees++;
d82dced6f1fa Remove types from type_list if they have no objects Martin v. Löwis <martin@v.loewis.de> parents: 37655 diff changeset	167 if (unlist_types_without_objects &&
d82dced6f1fa Remove types from type_list if they have no objects Martin v. Löwis <martin@v.loewis.de> parents: 37655 diff changeset	168 tp->tp_allocs == tp->tp_frees) {
d82dced6f1fa Remove types from type_list if they have no objects Martin v. Löwis <martin@v.loewis.de> parents: 37655 diff changeset	169 /* unlink the type from type_list */
d82dced6f1fa Remove types from type_list if they have no objects Martin v. Löwis <martin@v.loewis.de> parents: 37655 diff changeset	170 if (tp->tp_prev)
d82dced6f1fa Remove types from type_list if they have no objects Martin v. Löwis <martin@v.loewis.de> parents: 37655 diff changeset	171 tp->tp_prev->tp_next = tp->tp_next;
d82dced6f1fa Remove types from type_list if they have no objects Martin v. Löwis <martin@v.loewis.de> parents: 37655 diff changeset	172 else
d82dced6f1fa Remove types from type_list if they have no objects Martin v. Löwis <martin@v.loewis.de> parents: 37655 diff changeset	173 type_list = tp->tp_next;
d82dced6f1fa Remove types from type_list if they have no objects Martin v. Löwis <martin@v.loewis.de> parents: 37655 diff changeset	174 if (tp->tp_next)
d82dced6f1fa Remove types from type_list if they have no objects Martin v. Löwis <martin@v.loewis.de> parents: 37655 diff changeset	175 tp->tp_next->tp_prev = tp->tp_prev;
d82dced6f1fa Remove types from type_list if they have no objects Martin v. Löwis <martin@v.loewis.de> parents: 37655 diff changeset	176 tp->tp_next = tp->tp_prev = NULL;
d82dced6f1fa Remove types from type_list if they have no objects Martin v. Löwis <martin@v.loewis.de> parents: 37655 diff changeset	177 Py_DECREF(tp);
d82dced6f1fa Remove types from type_list if they have no objects Martin v. Löwis <martin@v.loewis.de> parents: 37655 diff changeset	178 }
d82dced6f1fa Remove types from type_list if they have no objects Martin v. Löwis <martin@v.loewis.de> parents: 37655 diff changeset	179 }
d82dced6f1fa Remove types from type_list if they have no objects Martin v. Löwis <martin@v.loewis.de> parents: 37655 diff changeset	180
1347 a22a350d3a5d * Extended X interface: pixmap objects, colormap objects visual objects, Sjoerd Mullender <sjoerd@acm.org> parents: 1324 diff changeset	181 #endif
a22a350d3a5d * Extended X interface: pixmap objects, colormap objects visual objects, Sjoerd Mullender <sjoerd@acm.org> parents: 1324 diff changeset	182
24155 9456a2ccda61 The Py_REF_DEBUG/COUNT_ALLOCS/Py_TRACE_REFS macro minefield: added Tim Peters <tim.peters@gmail.com> parents: 24144 diff changeset	183 #ifdef Py_REF_DEBUG
9456a2ccda61 The Py_REF_DEBUG/COUNT_ALLOCS/Py_TRACE_REFS macro minefield: added Tim Peters <tim.peters@gmail.com> parents: 24144 diff changeset	184 /* Log a fatal error; doesn't return. */
9456a2ccda61 The Py_REF_DEBUG/COUNT_ALLOCS/Py_TRACE_REFS macro minefield: added Tim Peters <tim.peters@gmail.com> parents: 24144 diff changeset	185 void
9456a2ccda61 The Py_REF_DEBUG/COUNT_ALLOCS/Py_TRACE_REFS macro minefield: added Tim Peters <tim.peters@gmail.com> parents: 24144 diff changeset	186 _Py_NegativeRefcount(const char fname, int lineno, PyObject op)
9456a2ccda61 The Py_REF_DEBUG/COUNT_ALLOCS/Py_TRACE_REFS macro minefield: added Tim Peters <tim.peters@gmail.com> parents: 24144 diff changeset	187 {
9456a2ccda61 The Py_REF_DEBUG/COUNT_ALLOCS/Py_TRACE_REFS macro minefield: added Tim Peters <tim.peters@gmail.com> parents: 24144 diff changeset	188 char buf[300];
9456a2ccda61 The Py_REF_DEBUG/COUNT_ALLOCS/Py_TRACE_REFS macro minefield: added Tim Peters <tim.peters@gmail.com> parents: 24144 diff changeset	189
9456a2ccda61 The Py_REF_DEBUG/COUNT_ALLOCS/Py_TRACE_REFS macro minefield: added Tim Peters <tim.peters@gmail.com> parents: 24144 diff changeset	190 PyOS_snprintf(buf, sizeof(buf),
37161 b2e6d6aa86d1 _Py_NegativeRefcount(): print the full value of ob_refcnt. Tim Peters <tim.peters@gmail.com> parents: 36977 diff changeset	191 "%s:%i object at %p has negative ref count "
b2e6d6aa86d1 _Py_NegativeRefcount(): print the full value of ob_refcnt. Tim Peters <tim.peters@gmail.com> parents: 36977 diff changeset	192 "%" PY_FORMAT_SIZE_T "d",
37163 0c602938ed8e Heh -- used the right format for a refcount, but forgot Tim Peters <tim.peters@gmail.com> parents: 37161 diff changeset	193 fname, lineno, op, op->ob_refcnt);
24155 9456a2ccda61 The Py_REF_DEBUG/COUNT_ALLOCS/Py_TRACE_REFS macro minefield: added Tim Peters <tim.peters@gmail.com> parents: 24144 diff changeset	194 Py_FatalError(buf);
9456a2ccda61 The Py_REF_DEBUG/COUNT_ALLOCS/Py_TRACE_REFS macro minefield: added Tim Peters <tim.peters@gmail.com> parents: 24144 diff changeset	195 }
9456a2ccda61 The Py_REF_DEBUG/COUNT_ALLOCS/Py_TRACE_REFS macro minefield: added Tim Peters <tim.peters@gmail.com> parents: 24144 diff changeset	196
9456a2ccda61 The Py_REF_DEBUG/COUNT_ALLOCS/Py_TRACE_REFS macro minefield: added Tim Peters <tim.peters@gmail.com> parents: 24144 diff changeset	197 #endif /* Py_REF_DEBUG */
9456a2ccda61 The Py_REF_DEBUG/COUNT_ALLOCS/Py_TRACE_REFS macro minefield: added Tim Peters <tim.peters@gmail.com> parents: 24144 diff changeset	198
31940 059740d52ae5 Two new public API functions, Py_IncRef and Py_DecRef. Useful for Thomas Heller <theller@ctypes.org> parents: 31738 diff changeset	199 void
059740d52ae5 Two new public API functions, Py_IncRef and Py_DecRef. Useful for Thomas Heller <theller@ctypes.org> parents: 31738 diff changeset	200 Py_IncRef(PyObject *o)
059740d52ae5 Two new public API functions, Py_IncRef and Py_DecRef. Useful for Thomas Heller <theller@ctypes.org> parents: 31738 diff changeset	201 {
059740d52ae5 Two new public API functions, Py_IncRef and Py_DecRef. Useful for Thomas Heller <theller@ctypes.org> parents: 31738 diff changeset	202 Py_XINCREF(o);
059740d52ae5 Two new public API functions, Py_IncRef and Py_DecRef. Useful for Thomas Heller <theller@ctypes.org> parents: 31738 diff changeset	203 }
059740d52ae5 Two new public API functions, Py_IncRef and Py_DecRef. Useful for Thomas Heller <theller@ctypes.org> parents: 31738 diff changeset	204
059740d52ae5 Two new public API functions, Py_IncRef and Py_DecRef. Useful for Thomas Heller <theller@ctypes.org> parents: 31738 diff changeset	205 void
059740d52ae5 Two new public API functions, Py_IncRef and Py_DecRef. Useful for Thomas Heller <theller@ctypes.org> parents: 31738 diff changeset	206 Py_DecRef(PyObject *o)
059740d52ae5 Two new public API functions, Py_IncRef and Py_DecRef. Useful for Thomas Heller <theller@ctypes.org> parents: 31738 diff changeset	207 {
059740d52ae5 Two new public API functions, Py_IncRef and Py_DecRef. Useful for Thomas Heller <theller@ctypes.org> parents: 31738 diff changeset	208 Py_XDECREF(o);
059740d52ae5 Two new public API functions, Py_IncRef and Py_DecRef. Useful for Thomas Heller <theller@ctypes.org> parents: 31738 diff changeset	209 }
059740d52ae5 Two new public API functions, Py_IncRef and Py_DecRef. Useful for Thomas Heller <theller@ctypes.org> parents: 31738 diff changeset	210
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5006 diff changeset	211 PyObject *
13473 31b1f691a7d9 ANSI-fication of the sources. Fred Drake <fdrake@acm.org> parents: 13447 diff changeset	212 PyObject_Init(PyObject op, PyTypeObject tp)
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	213 {
25737 b0fa5f6a8bb9 PyObject_Init[Var] is almost always called from the PyObject_NEW[_VAR] Guido van Rossum <guido@python.org> parents: 25015 diff changeset	214 if (op == NULL)
b0fa5f6a8bb9 PyObject_Init[Var] is almost always called from the PyObject_NEW[_VAR] Guido van Rossum <guido@python.org> parents: 25015 diff changeset	215 return PyErr_NoMemory();
12576 1c7c2dd1beb1 Vladimir Marangozov's long-awaited malloc restructuring. Guido van Rossum <guido@python.org> parents: 12481 diff changeset	216 /* Any changes should be reflected in PyObject_INIT (objimpl.h) */
44350 26384b8180c7 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT. Macros for b/w compatibility are available. Christian Heimes <christian@cheimes.de> parents: 43958 diff changeset	217 Py_TYPE(op) = tp;
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5006 diff changeset	218 _Py_NewReference(op);
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	219 return op;
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	220 }
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	221
12576 1c7c2dd1beb1 Vladimir Marangozov's long-awaited malloc restructuring. Guido van Rossum <guido@python.org> parents: 12481 diff changeset	222 PyVarObject *
36501 7fdc639bc5b4 Merge ssize_t branch. Martin v. Löwis <martin@v.loewis.de> parents: 35999 diff changeset	223 PyObject_InitVar(PyVarObject op, PyTypeObject tp, Py_ssize_t size)
12576 1c7c2dd1beb1 Vladimir Marangozov's long-awaited malloc restructuring. Guido van Rossum <guido@python.org> parents: 12481 diff changeset	224 {
25737 b0fa5f6a8bb9 PyObject_Init[Var] is almost always called from the PyObject_NEW[_VAR] Guido van Rossum <guido@python.org> parents: 25015 diff changeset	225 if (op == NULL)
b0fa5f6a8bb9 PyObject_Init[Var] is almost always called from the PyObject_NEW[_VAR] Guido van Rossum <guido@python.org> parents: 25015 diff changeset	226 return (PyVarObject *) PyErr_NoMemory();
12576 1c7c2dd1beb1 Vladimir Marangozov's long-awaited malloc restructuring. Guido van Rossum <guido@python.org> parents: 12481 diff changeset	227 /* Any changes should be reflected in PyObject_INIT_VAR */
1c7c2dd1beb1 Vladimir Marangozov's long-awaited malloc restructuring. Guido van Rossum <guido@python.org> parents: 12481 diff changeset	228 op->ob_size = size;
44350 26384b8180c7 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT. Macros for b/w compatibility are available. Christian Heimes <christian@cheimes.de> parents: 43958 diff changeset	229 Py_TYPE(op) = tp;
12576 1c7c2dd1beb1 Vladimir Marangozov's long-awaited malloc restructuring. Guido van Rossum <guido@python.org> parents: 12481 diff changeset	230 _Py_NewReference((PyObject *)op);
1c7c2dd1beb1 Vladimir Marangozov's long-awaited malloc restructuring. Guido van Rossum <guido@python.org> parents: 12481 diff changeset	231 return op;
1c7c2dd1beb1 Vladimir Marangozov's long-awaited malloc restructuring. Guido van Rossum <guido@python.org> parents: 12481 diff changeset	232 }
1c7c2dd1beb1 Vladimir Marangozov's long-awaited malloc restructuring. Guido van Rossum <guido@python.org> parents: 12481 diff changeset	233
1c7c2dd1beb1 Vladimir Marangozov's long-awaited malloc restructuring. Guido van Rossum <guido@python.org> parents: 12481 diff changeset	234 PyObject *
13473 31b1f691a7d9 ANSI-fication of the sources. Fred Drake <fdrake@acm.org> parents: 13447 diff changeset	235 _PyObject_New(PyTypeObject *tp)
12576 1c7c2dd1beb1 Vladimir Marangozov's long-awaited malloc restructuring. Guido van Rossum <guido@python.org> parents: 12481 diff changeset	236 {
1c7c2dd1beb1 Vladimir Marangozov's long-awaited malloc restructuring. Guido van Rossum <guido@python.org> parents: 12481 diff changeset	237 PyObject *op;
1c7c2dd1beb1 Vladimir Marangozov's long-awaited malloc restructuring. Guido van Rossum <guido@python.org> parents: 12481 diff changeset	238 op = (PyObject *) PyObject_MALLOC(_PyObject_SIZE(tp));
1c7c2dd1beb1 Vladimir Marangozov's long-awaited malloc restructuring. Guido van Rossum <guido@python.org> parents: 12481 diff changeset	239 if (op == NULL)
1c7c2dd1beb1 Vladimir Marangozov's long-awaited malloc restructuring. Guido van Rossum <guido@python.org> parents: 12481 diff changeset	240 return PyErr_NoMemory();
1c7c2dd1beb1 Vladimir Marangozov's long-awaited malloc restructuring. Guido van Rossum <guido@python.org> parents: 12481 diff changeset	241 return PyObject_INIT(op, tp);
1c7c2dd1beb1 Vladimir Marangozov's long-awaited malloc restructuring. Guido van Rossum <guido@python.org> parents: 12481 diff changeset	242 }
1c7c2dd1beb1 Vladimir Marangozov's long-awaited malloc restructuring. Guido van Rossum <guido@python.org> parents: 12481 diff changeset	243
5535 20c2b715188e Oops, another forgotten renaming: varobject -> PyVarObject. Guido van Rossum <guido@python.org> parents: 5396 diff changeset	244 PyVarObject *
36501 7fdc639bc5b4 Merge ssize_t branch. Martin v. Löwis <martin@v.loewis.de> parents: 35999 diff changeset	245 _PyObject_NewVar(PyTypeObject *tp, Py_ssize_t nitems)
12576 1c7c2dd1beb1 Vladimir Marangozov's long-awaited malloc restructuring. Guido van Rossum <guido@python.org> parents: 12481 diff changeset	246 {
5535 20c2b715188e Oops, another forgotten renaming: varobject -> PyVarObject. Guido van Rossum <guido@python.org> parents: 5396 diff changeset	247 PyVarObject *op;
20296 6cc0b48049ec Guido suggests, and I agree, to insist that SIZEOF_VOID_P be a power of 2. Tim Peters <tim.peters@gmail.com> parents: 20294 diff changeset	248 const size_t size = _PyObject_VAR_SIZE(tp, nitems);
20294 426b379a138b _PyObject_VAR_SIZE: always round up to a multiple-of-pointer-size value. Tim Peters <tim.peters@gmail.com> parents: 20292 diff changeset	249 op = (PyVarObject *) PyObject_MALLOC(size);
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	250 if (op == NULL)
5535 20c2b715188e Oops, another forgotten renaming: varobject -> PyVarObject. Guido van Rossum <guido@python.org> parents: 5396 diff changeset	251 return (PyVarObject *)PyErr_NoMemory();
20294 426b379a138b _PyObject_VAR_SIZE: always round up to a multiple-of-pointer-size value. Tim Peters <tim.peters@gmail.com> parents: 20292 diff changeset	252 return PyObject_INIT_VAR(op, tp, nitems);
12576 1c7c2dd1beb1 Vladimir Marangozov's long-awaited malloc restructuring. Guido van Rossum <guido@python.org> parents: 12481 diff changeset	253 }
1c7c2dd1beb1 Vladimir Marangozov's long-awaited malloc restructuring. Guido van Rossum <guido@python.org> parents: 12481 diff changeset	254
22982 d09740b2e03d Move PyObject_Malloc and PyObject_Free to obmalloc.c. Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 22785 diff changeset	255 /* for binary compatibility with 2.2 */
d09740b2e03d Move PyObject_Malloc and PyObject_Free to obmalloc.c. Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 22785 diff changeset	256 #undef _PyObject_Del
12576 1c7c2dd1beb1 Vladimir Marangozov's long-awaited malloc restructuring. Guido van Rossum <guido@python.org> parents: 12481 diff changeset	257 void
13473 31b1f691a7d9 ANSI-fication of the sources. Fred Drake <fdrake@acm.org> parents: 13447 diff changeset	258 _PyObject_Del(PyObject *op)
12576 1c7c2dd1beb1 Vladimir Marangozov's long-awaited malloc restructuring. Guido van Rossum <guido@python.org> parents: 12481 diff changeset	259 {
13265 e8bb0d536633 Neil Schemenauer: small fixes for GC Guido van Rossum <guido@python.org> parents: 13256 diff changeset	260 PyObject_FREE(op);
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	261 }
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	262
27234 e9f45b8efd6b Fix SF bug #667147, Segmentation fault printing str subclass Neal Norwitz <nnorwitz@gmail.com> parents: 26263 diff changeset	263 /* Implementation of PyObject_Print with recursion checking */
e9f45b8efd6b Fix SF bug #667147, Segmentation fault printing str subclass Neal Norwitz <nnorwitz@gmail.com> parents: 26263 diff changeset	264 static int
e9f45b8efd6b Fix SF bug #667147, Segmentation fault printing str subclass Neal Norwitz <nnorwitz@gmail.com> parents: 26263 diff changeset	265 internal_print(PyObject op, FILE fp, int flags, int nesting)
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	266 {
322 1a6cf1f8ccec Check for write errors after printing a value Guido van Rossum <guido@python.org> parents: 307 diff changeset	267 int ret = 0;
27234 e9f45b8efd6b Fix SF bug #667147, Segmentation fault printing str subclass Neal Norwitz <nnorwitz@gmail.com> parents: 26263 diff changeset	268 if (nesting > 10) {
e9f45b8efd6b Fix SF bug #667147, Segmentation fault printing str subclass Neal Norwitz <nnorwitz@gmail.com> parents: 26263 diff changeset	269 PyErr_SetString(PyExc_RuntimeError, "print recursion");
e9f45b8efd6b Fix SF bug #667147, Segmentation fault printing str subclass Neal Norwitz <nnorwitz@gmail.com> parents: 26263 diff changeset	270 return -1;
e9f45b8efd6b Fix SF bug #667147, Segmentation fault printing str subclass Neal Norwitz <nnorwitz@gmail.com> parents: 26263 diff changeset	271 }
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5006 diff changeset	272 if (PyErr_CheckSignals())
284 6ac402023cac printobject now returns an error code Guido van Rossum <guido@python.org> parents: 231 diff changeset	273 return -1;
8181 c69ad566aeb1 If USE_STACKCHECK is defined use PyOS_CheckStack() in the repr and str Guido van Rossum <guido@python.org> parents: 8111 diff changeset	274 #ifdef USE_STACKCHECK
c69ad566aeb1 If USE_STACKCHECK is defined use PyOS_CheckStack() in the repr and str Guido van Rossum <guido@python.org> parents: 8111 diff changeset	275 if (PyOS_CheckStack()) {
15318 8aa947e1eee8 Ka-Ping Yee <ping@lfw.org>: Fred Drake <fdrake@acm.org> parents: 14869 diff changeset	276 PyErr_SetString(PyExc_MemoryError, "stack overflow");
8181 c69ad566aeb1 If USE_STACKCHECK is defined use PyOS_CheckStack() in the repr and str Guido van Rossum <guido@python.org> parents: 8111 diff changeset	277 return -1;
c69ad566aeb1 If USE_STACKCHECK is defined use PyOS_CheckStack() in the repr and str Guido van Rossum <guido@python.org> parents: 8111 diff changeset	278 }
c69ad566aeb1 If USE_STACKCHECK is defined use PyOS_CheckStack() in the repr and str Guido van Rossum <guido@python.org> parents: 8111 diff changeset	279 #endif
11649 38560a3a3249 On Linux, one sometimes sees spurious errors after interrupting Guido van Rossum <guido@python.org> parents: 8695 diff changeset	280 clearerr(fp); /* Clear any previous error condition */
284 6ac402023cac printobject now returns an error code Guido van Rossum <guido@python.org> parents: 231 diff changeset	281 if (op == NULL) {
43378 7630248b593c Add a bunch of GIL release/acquire points in tp_print implementations and for Brett Cannon <bcannon@gmail.com> parents: 42333 diff changeset	282 Py_BEGIN_ALLOW_THREADS
284 6ac402023cac printobject now returns an error code Guido van Rossum <guido@python.org> parents: 231 diff changeset	283 fprintf(fp, "<nil>");
43378 7630248b593c Add a bunch of GIL release/acquire points in tp_print implementations and for Brett Cannon <bcannon@gmail.com> parents: 42333 diff changeset	284 Py_END_ALLOW_THREADS
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	285 }
284 6ac402023cac printobject now returns an error code Guido van Rossum <guido@python.org> parents: 231 diff changeset	286 else {
6ac402023cac printobject now returns an error code Guido van Rossum <guido@python.org> parents: 231 diff changeset	287 if (op->ob_refcnt <= 0)
36759 83b860acfe95 Use %ld and casts to long for refcount printing, in absense of a universally Thomas Wouters <thomas@python.org> parents: 36675 diff changeset	288 /* XXX(twouters) cast refcount to long until %zd is
83b860acfe95 Use %ld and casts to long for refcount printing, in absense of a universally Thomas Wouters <thomas@python.org> parents: 36675 diff changeset	289 universally available */
43378 7630248b593c Add a bunch of GIL release/acquire points in tp_print implementations and for Brett Cannon <bcannon@gmail.com> parents: 42333 diff changeset	290 Py_BEGIN_ALLOW_THREADS
36759 83b860acfe95 Use %ld and casts to long for refcount printing, in absense of a universally Thomas Wouters <thomas@python.org> parents: 36675 diff changeset	291 fprintf(fp, "<refcnt %ld at %p>",
83b860acfe95 Use %ld and casts to long for refcount printing, in absense of a universally Thomas Wouters <thomas@python.org> parents: 36675 diff changeset	292 (long)op->ob_refcnt, op);
43378 7630248b593c Add a bunch of GIL release/acquire points in tp_print implementations and for Brett Cannon <bcannon@gmail.com> parents: 42333 diff changeset	293 Py_END_ALLOW_THREADS
44350 26384b8180c7 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT. Macros for b/w compatibility are available. Christian Heimes <christian@cheimes.de> parents: 43958 diff changeset	294 else if (Py_TYPE(op)->tp_print == NULL) {
17646 d1ec679baa3d Printing objects to a real file still wasn't done right: if the Guido van Rossum <guido@python.org> parents: 17639 diff changeset	295 PyObject *s;
d1ec679baa3d Printing objects to a real file still wasn't done right: if the Guido van Rossum <guido@python.org> parents: 17639 diff changeset	296 if (flags & Py_PRINT_RAW)
d1ec679baa3d Printing objects to a real file still wasn't done right: if the Guido van Rossum <guido@python.org> parents: 17639 diff changeset	297 s = PyObject_Str(op);
d1ec679baa3d Printing objects to a real file still wasn't done right: if the Guido van Rossum <guido@python.org> parents: 17639 diff changeset	298 else
d1ec679baa3d Printing objects to a real file still wasn't done right: if the Guido van Rossum <guido@python.org> parents: 17639 diff changeset	299 s = PyObject_Repr(op);
d1ec679baa3d Printing objects to a real file still wasn't done right: if the Guido van Rossum <guido@python.org> parents: 17639 diff changeset	300 if (s == NULL)
d1ec679baa3d Printing objects to a real file still wasn't done right: if the Guido van Rossum <guido@python.org> parents: 17639 diff changeset	301 ret = -1;
1017 cb7ef9bd9ede If a type has a repr function but no print function, printing it now Guido van Rossum <guido@python.org> parents: 795 diff changeset	302 else {
27234 e9f45b8efd6b Fix SF bug #667147, Segmentation fault printing str subclass Neal Norwitz <nnorwitz@gmail.com> parents: 26263 diff changeset	303 ret = internal_print(s, fp, Py_PRINT_RAW,
e9f45b8efd6b Fix SF bug #667147, Segmentation fault printing str subclass Neal Norwitz <nnorwitz@gmail.com> parents: 26263 diff changeset	304 nesting+1);
1017 cb7ef9bd9ede If a type has a repr function but no print function, printing it now Guido van Rossum <guido@python.org> parents: 795 diff changeset	305 }
17646 d1ec679baa3d Printing objects to a real file still wasn't done right: if the Guido van Rossum <guido@python.org> parents: 17639 diff changeset	306 Py_XDECREF(s);
1017 cb7ef9bd9ede If a type has a repr function but no print function, printing it now Guido van Rossum <guido@python.org> parents: 795 diff changeset	307 }
284 6ac402023cac printobject now returns an error code Guido van Rossum <guido@python.org> parents: 231 diff changeset	308 else
44350 26384b8180c7 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT. Macros for b/w compatibility are available. Christian Heimes <christian@cheimes.de> parents: 43958 diff changeset	309 ret = (*Py_TYPE(op)->tp_print)(op, fp, flags);
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	310 }
322 1a6cf1f8ccec Check for write errors after printing a value Guido van Rossum <guido@python.org> parents: 307 diff changeset	311 if (ret == 0) {
1a6cf1f8ccec Check for write errors after printing a value Guido van Rossum <guido@python.org> parents: 307 diff changeset	312 if (ferror(fp)) {
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5006 diff changeset	313 PyErr_SetFromErrno(PyExc_IOError);
322 1a6cf1f8ccec Check for write errors after printing a value Guido van Rossum <guido@python.org> parents: 307 diff changeset	314 clearerr(fp);
1a6cf1f8ccec Check for write errors after printing a value Guido van Rossum <guido@python.org> parents: 307 diff changeset	315 ret = -1;
1a6cf1f8ccec Check for write errors after printing a value Guido van Rossum <guido@python.org> parents: 307 diff changeset	316 }
1a6cf1f8ccec Check for write errors after printing a value Guido van Rossum <guido@python.org> parents: 307 diff changeset	317 }
1a6cf1f8ccec Check for write errors after printing a value Guido van Rossum <guido@python.org> parents: 307 diff changeset	318 return ret;
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	319 }
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	320
27234 e9f45b8efd6b Fix SF bug #667147, Segmentation fault printing str subclass Neal Norwitz <nnorwitz@gmail.com> parents: 26263 diff changeset	321 int
e9f45b8efd6b Fix SF bug #667147, Segmentation fault printing str subclass Neal Norwitz <nnorwitz@gmail.com> parents: 26263 diff changeset	322 PyObject_Print(PyObject op, FILE fp, int flags)
e9f45b8efd6b Fix SF bug #667147, Segmentation fault printing str subclass Neal Norwitz <nnorwitz@gmail.com> parents: 26263 diff changeset	323 {
e9f45b8efd6b Fix SF bug #667147, Segmentation fault printing str subclass Neal Norwitz <nnorwitz@gmail.com> parents: 26263 diff changeset	324 return internal_print(op, fp, flags, 0);
e9f45b8efd6b Fix SF bug #667147, Segmentation fault printing str subclass Neal Norwitz <nnorwitz@gmail.com> parents: 26263 diff changeset	325 }
e9f45b8efd6b Fix SF bug #667147, Segmentation fault printing str subclass Neal Norwitz <nnorwitz@gmail.com> parents: 26263 diff changeset	326
e9f45b8efd6b Fix SF bug #667147, Segmentation fault printing str subclass Neal Norwitz <nnorwitz@gmail.com> parents: 26263 diff changeset	327
16165 0a72070eab6e A few miscellaneous helpers. Barry Warsaw <barry@python.org> parents: 16123 diff changeset	328 /* For debugging convenience. See Misc/gdbinit for some useful gdb hooks */
24122 d332484e394a Trashcan cleanup: Now that cyclic gc is always there, the trashcan Tim Peters <tim.peters@gmail.com> parents: 24121 diff changeset	329 void _PyObject_Dump(PyObject* op)
16165 0a72070eab6e A few miscellaneous helpers. Barry Warsaw <barry@python.org> parents: 16123 diff changeset	330 {
16742 db61894b0d6f _PyObject_Dump(): If argument is NULL, print "NULL" instead of Barry Warsaw <barry@python.org> parents: 16741 diff changeset	331 if (op == NULL)
db61894b0d6f _PyObject_Dump(): If argument is NULL, print "NULL" instead of Barry Warsaw <barry@python.org> parents: 16741 diff changeset	332 fprintf(stderr, "NULL\n");
db61894b0d6f _PyObject_Dump(): If argument is NULL, print "NULL" instead of Barry Warsaw <barry@python.org> parents: 16741 diff changeset	333 else {
19906 f39a9be7c9af _PyObject_Dump(): print the type of the object. This is by far the Guido van Rossum <guido@python.org> parents: 19846 diff changeset	334 fprintf(stderr, "object : ");
16742 db61894b0d6f _PyObject_Dump(): If argument is NULL, print "NULL" instead of Barry Warsaw <barry@python.org> parents: 16741 diff changeset	335 (void)PyObject_Print(op, stderr, 0);
36759 83b860acfe95 Use %ld and casts to long for refcount printing, in absense of a universally Thomas Wouters <thomas@python.org> parents: 36675 diff changeset	336 /* XXX(twouters) cast refcount to long until %zd is
83b860acfe95 Use %ld and casts to long for refcount printing, in absense of a universally Thomas Wouters <thomas@python.org> parents: 36675 diff changeset	337 universally available */
19906 f39a9be7c9af _PyObject_Dump(): print the type of the object. This is by far the Guido van Rossum <guido@python.org> parents: 19846 diff changeset	338 fprintf(stderr, "\n"
f39a9be7c9af _PyObject_Dump(): print the type of the object. This is by far the Guido van Rossum <guido@python.org> parents: 19846 diff changeset	339 "type : %s\n"
36759 83b860acfe95 Use %ld and casts to long for refcount printing, in absense of a universally Thomas Wouters <thomas@python.org> parents: 36675 diff changeset	340 "refcount: %ld\n"
19906 f39a9be7c9af _PyObject_Dump(): print the type of the object. This is by far the Guido van Rossum <guido@python.org> parents: 19846 diff changeset	341 "address : %p\n",
44350 26384b8180c7 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT. Macros for b/w compatibility are available. Christian Heimes <christian@cheimes.de> parents: 43958 diff changeset	342 Py_TYPE(op)==NULL ? "NULL" : Py_TYPE(op)->tp_name,
36759 83b860acfe95 Use %ld and casts to long for refcount printing, in absense of a universally Thomas Wouters <thomas@python.org> parents: 36675 diff changeset	343 (long)op->ob_refcnt,
19906 f39a9be7c9af _PyObject_Dump(): print the type of the object. This is by far the Guido van Rossum <guido@python.org> parents: 19846 diff changeset	344 op);
16742 db61894b0d6f _PyObject_Dump(): If argument is NULL, print "NULL" instead of Barry Warsaw <barry@python.org> parents: 16741 diff changeset	345 }
16165 0a72070eab6e A few miscellaneous helpers. Barry Warsaw <barry@python.org> parents: 16123 diff changeset	346 }
16167 71ceaba3f615 PyObject_Dump(): Use %p format to print the address of the pointer. Barry Warsaw <barry@python.org> parents: 16165 diff changeset	347
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5006 diff changeset	348 PyObject *
13473 31b1f691a7d9 ANSI-fication of the sources. Fred Drake <fdrake@acm.org> parents: 13447 diff changeset	349 PyObject_Repr(PyObject *v)
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	350 {
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5006 diff changeset	351 if (PyErr_CheckSignals())
284 6ac402023cac printobject now returns an error code Guido van Rossum <guido@python.org> parents: 231 diff changeset	352 return NULL;
8181 c69ad566aeb1 If USE_STACKCHECK is defined use PyOS_CheckStack() in the repr and str Guido van Rossum <guido@python.org> parents: 8111 diff changeset	353 #ifdef USE_STACKCHECK
c69ad566aeb1 If USE_STACKCHECK is defined use PyOS_CheckStack() in the repr and str Guido van Rossum <guido@python.org> parents: 8111 diff changeset	354 if (PyOS_CheckStack()) {
15318 8aa947e1eee8 Ka-Ping Yee <ping@lfw.org>: Fred Drake <fdrake@acm.org> parents: 14869 diff changeset	355 PyErr_SetString(PyExc_MemoryError, "stack overflow");
8181 c69ad566aeb1 If USE_STACKCHECK is defined use PyOS_CheckStack() in the repr and str Guido van Rossum <guido@python.org> parents: 8111 diff changeset	356 return NULL;
c69ad566aeb1 If USE_STACKCHECK is defined use PyOS_CheckStack() in the repr and str Guido van Rossum <guido@python.org> parents: 8111 diff changeset	357 }
c69ad566aeb1 If USE_STACKCHECK is defined use PyOS_CheckStack() in the repr and str Guido van Rossum <guido@python.org> parents: 8111 diff changeset	358 #endif
284 6ac402023cac printobject now returns an error code Guido van Rossum <guido@python.org> parents: 231 diff changeset	359 if (v == NULL)
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5006 diff changeset	360 return PyString_FromString("<NULL>");
44350 26384b8180c7 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT. Macros for b/w compatibility are available. Christian Heimes <christian@cheimes.de> parents: 43958 diff changeset	361 else if (Py_TYPE(v)->tp_repr == NULL)
19620 b706c027c3c0 PyObject_Repr(): add missing ">" back at end of format string: "<%s Guido van Rossum <guido@python.org> parents: 19580 diff changeset	362 return PyString_FromFormat("<%s object at %p>",
44350 26384b8180c7 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT. Macros for b/w compatibility are available. Christian Heimes <christian@cheimes.de> parents: 43958 diff changeset	363 Py_TYPE(v)->tp_name, v);
11969 74b7213fb609 Many changes for Unicode, by Marc-Andre Lemburg. Guido van Rossum <guido@python.org> parents: 11673 diff changeset	364 else {
74b7213fb609 Many changes for Unicode, by Marc-Andre Lemburg. Guido van Rossum <guido@python.org> parents: 11673 diff changeset	365 PyObject *res;
44350 26384b8180c7 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT. Macros for b/w compatibility are available. Christian Heimes <christian@cheimes.de> parents: 43958 diff changeset	366 res = (*Py_TYPE(v)->tp_repr)(v);
11969 74b7213fb609 Many changes for Unicode, by Marc-Andre Lemburg. Guido van Rossum <guido@python.org> parents: 11673 diff changeset	367 if (res == NULL)
74b7213fb609 Many changes for Unicode, by Marc-Andre Lemburg. Guido van Rossum <guido@python.org> parents: 11673 diff changeset	368 return NULL;
19343 7257e87e0720 Patch #445762: Support --disable-unicode Martin v. Löwis <martin@v.loewis.de> parents: 19294 diff changeset	369 #ifdef Py_USING_UNICODE
13293 e38be8717ec0 changed repr and str to always convert unicode strings Fredrik Lundh <fredrik@pythonware.com> parents: 13265 diff changeset	370 if (PyUnicode_Check(res)) {
e38be8717ec0 changed repr and str to always convert unicode strings Fredrik Lundh <fredrik@pythonware.com> parents: 13265 diff changeset	371 PyObject* str;
37300 e9e8098f6572 Fixed bug #1459029 - unicode reprs were double-escaped. Anthony Baxter <anthonybaxter@gmail.com> parents: 37163 diff changeset	372 str = PyUnicode_AsEncodedString(res, NULL, NULL);
13319 390e5d51ff73 If auto-conversion fails, the Unicode codecs will return NULL. Marc-André Lemburg <mal@egenix.com> parents: 13293 diff changeset	373 Py_DECREF(res);
390e5d51ff73 If auto-conversion fails, the Unicode codecs will return NULL. Marc-André Lemburg <mal@egenix.com> parents: 13293 diff changeset	374 if (str)
13293 e38be8717ec0 changed repr and str to always convert unicode strings Fredrik Lundh <fredrik@pythonware.com> parents: 13265 diff changeset	375 res = str;
13319 390e5d51ff73 If auto-conversion fails, the Unicode codecs will return NULL. Marc-André Lemburg <mal@egenix.com> parents: 13293 diff changeset	376 else
390e5d51ff73 If auto-conversion fails, the Unicode codecs will return NULL. Marc-André Lemburg <mal@egenix.com> parents: 13293 diff changeset	377 return NULL;
13293 e38be8717ec0 changed repr and str to always convert unicode strings Fredrik Lundh <fredrik@pythonware.com> parents: 13265 diff changeset	378 }
19343 7257e87e0720 Patch #445762: Support --disable-unicode Martin v. Löwis <martin@v.loewis.de> parents: 19294 diff changeset	379 #endif
11969 74b7213fb609 Many changes for Unicode, by Marc-Andre Lemburg. Guido van Rossum <guido@python.org> parents: 11673 diff changeset	380 if (!PyString_Check(res)) {
74b7213fb609 Many changes for Unicode, by Marc-Andre Lemburg. Guido van Rossum <guido@python.org> parents: 11673 diff changeset	381 PyErr_Format(PyExc_TypeError,
12320 5de0b939fe61 Skip Montanaro: add string precisions to calls to PyErr_Format Guido van Rossum <guido@python.org> parents: 12052 diff changeset	382 "__repr__ returned non-string (type %.200s)",
44350 26384b8180c7 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT. Macros for b/w compatibility are available. Christian Heimes <christian@cheimes.de> parents: 43958 diff changeset	383 Py_TYPE(res)->tp_name);
11969 74b7213fb609 Many changes for Unicode, by Marc-Andre Lemburg. Guido van Rossum <guido@python.org> parents: 11673 diff changeset	384 Py_DECREF(res);
74b7213fb609 Many changes for Unicode, by Marc-Andre Lemburg. Guido van Rossum <guido@python.org> parents: 11673 diff changeset	385 return NULL;
74b7213fb609 Many changes for Unicode, by Marc-Andre Lemburg. Guido van Rossum <guido@python.org> parents: 11673 diff changeset	386 }
74b7213fb609 Many changes for Unicode, by Marc-Andre Lemburg. Guido van Rossum <guido@python.org> parents: 11673 diff changeset	387 return res;
74b7213fb609 Many changes for Unicode, by Marc-Andre Lemburg. Guido van Rossum <guido@python.org> parents: 11673 diff changeset	388 }
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	389 }
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	390
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5006 diff changeset	391 PyObject *
35331 ef11cbc08dab Change the %s format specifier for str objects so that it returns a Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 34931 diff changeset	392 _PyObject_Str(PyObject *v)
1400 aac8231a715c * mpzmodule.c: removed redundant mpz_print function. Guido van Rossum <guido@python.org> parents: 1361 diff changeset	393 {
11969 74b7213fb609 Many changes for Unicode, by Marc-Andre Lemburg. Guido van Rossum <guido@python.org> parents: 11673 diff changeset	394 PyObject *res;
35331 ef11cbc08dab Change the %s format specifier for str objects so that it returns a Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 34931 diff changeset	395 int type_ok;
1400 aac8231a715c * mpzmodule.c: removed redundant mpz_print function. Guido van Rossum <guido@python.org> parents: 1361 diff changeset	396 if (v == NULL)
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5006 diff changeset	397 return PyString_FromString("<NULL>");
19846 662e22f99639 More on SF bug [#460020] bug or feature: unicode() and subclasses. Tim Peters <tim.peters@gmail.com> parents: 19833 diff changeset	398 if (PyString_CheckExact(v)) {
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5006 diff changeset	399 Py_INCREF(v);
1400 aac8231a715c * mpzmodule.c: removed redundant mpz_print function. Guido van Rossum <guido@python.org> parents: 1361 diff changeset	400 return v;
aac8231a715c * mpzmodule.c: removed redundant mpz_print function. Guido van Rossum <guido@python.org> parents: 1361 diff changeset	401 }
35331 ef11cbc08dab Change the %s format specifier for str objects so that it returns a Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 34931 diff changeset	402 #ifdef Py_USING_UNICODE
ef11cbc08dab Change the %s format specifier for str objects so that it returns a Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 34931 diff changeset	403 if (PyUnicode_CheckExact(v)) {
ef11cbc08dab Change the %s format specifier for str objects so that it returns a Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 34931 diff changeset	404 Py_INCREF(v);
ef11cbc08dab Change the %s format specifier for str objects so that it returns a Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 34931 diff changeset	405 return v;
ef11cbc08dab Change the %s format specifier for str objects so that it returns a Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 34931 diff changeset	406 }
ef11cbc08dab Change the %s format specifier for str objects so that it returns a Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 34931 diff changeset	407 #endif
44350 26384b8180c7 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT. Macros for b/w compatibility are available. Christian Heimes <christian@cheimes.de> parents: 43958 diff changeset	408 if (Py_TYPE(v)->tp_str == NULL)
17646 d1ec679baa3d Printing objects to a real file still wasn't done right: if the Guido van Rossum <guido@python.org> parents: 17639 diff changeset	409 return PyObject_Repr(v);
d1ec679baa3d Printing objects to a real file still wasn't done right: if the Guido van Rossum <guido@python.org> parents: 17639 diff changeset	410
43451 381ed41003e7 tuple.__repr__ did not consider a reference loop as it is not possible from Brett Cannon <bcannon@gmail.com> parents: 43378 diff changeset	411 /* It is possible for a type to have a tp_str representation that loops
381ed41003e7 tuple.__repr__ did not consider a reference loop as it is not possible from Brett Cannon <bcannon@gmail.com> parents: 43378 diff changeset	412 infinitely. */
381ed41003e7 tuple.__repr__ did not consider a reference loop as it is not possible from Brett Cannon <bcannon@gmail.com> parents: 43378 diff changeset	413 if (Py_EnterRecursiveCall(" while getting the str of an object"))
381ed41003e7 tuple.__repr__ did not consider a reference loop as it is not possible from Brett Cannon <bcannon@gmail.com> parents: 43378 diff changeset	414 return NULL;
44350 26384b8180c7 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT. Macros for b/w compatibility are available. Christian Heimes <christian@cheimes.de> parents: 43958 diff changeset	415 res = (*Py_TYPE(v)->tp_str)(v);
43451 381ed41003e7 tuple.__repr__ did not consider a reference loop as it is not possible from Brett Cannon <bcannon@gmail.com> parents: 43378 diff changeset	416 Py_LeaveRecursiveCall();
11969 74b7213fb609 Many changes for Unicode, by Marc-Andre Lemburg. Guido van Rossum <guido@python.org> parents: 11673 diff changeset	417 if (res == NULL)
74b7213fb609 Many changes for Unicode, by Marc-Andre Lemburg. Guido van Rossum <guido@python.org> parents: 11673 diff changeset	418 return NULL;
35331 ef11cbc08dab Change the %s format specifier for str objects so that it returns a Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 34931 diff changeset	419 type_ok = PyString_Check(res);
ef11cbc08dab Change the %s format specifier for str objects so that it returns a Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 34931 diff changeset	420 #ifdef Py_USING_UNICODE
ef11cbc08dab Change the %s format specifier for str objects so that it returns a Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 34931 diff changeset	421 type_ok = type_ok \|\| PyUnicode_Check(res);
ef11cbc08dab Change the %s format specifier for str objects so that it returns a Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 34931 diff changeset	422 #endif
ef11cbc08dab Change the %s format specifier for str objects so that it returns a Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 34931 diff changeset	423 if (!type_ok) {
ef11cbc08dab Change the %s format specifier for str objects so that it returns a Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 34931 diff changeset	424 PyErr_Format(PyExc_TypeError,
ef11cbc08dab Change the %s format specifier for str objects so that it returns a Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 34931 diff changeset	425 "__str__ returned non-string (type %.200s)",
44350 26384b8180c7 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT. Macros for b/w compatibility are available. Christian Heimes <christian@cheimes.de> parents: 43958 diff changeset	426 Py_TYPE(res)->tp_name);
35331 ef11cbc08dab Change the %s format specifier for str objects so that it returns a Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 34931 diff changeset	427 Py_DECREF(res);
ef11cbc08dab Change the %s format specifier for str objects so that it returns a Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 34931 diff changeset	428 return NULL;
ef11cbc08dab Change the %s format specifier for str objects so that it returns a Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 34931 diff changeset	429 }
ef11cbc08dab Change the %s format specifier for str objects so that it returns a Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 34931 diff changeset	430 return res;
ef11cbc08dab Change the %s format specifier for str objects so that it returns a Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 34931 diff changeset	431 }
ef11cbc08dab Change the %s format specifier for str objects so that it returns a Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 34931 diff changeset	432
ef11cbc08dab Change the %s format specifier for str objects so that it returns a Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 34931 diff changeset	433 PyObject *
ef11cbc08dab Change the %s format specifier for str objects so that it returns a Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 34931 diff changeset	434 PyObject_Str(PyObject *v)
ef11cbc08dab Change the %s format specifier for str objects so that it returns a Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 34931 diff changeset	435 {
ef11cbc08dab Change the %s format specifier for str objects so that it returns a Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 34931 diff changeset	436 PyObject *res = _PyObject_Str(v);
ef11cbc08dab Change the %s format specifier for str objects so that it returns a Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 34931 diff changeset	437 if (res == NULL)
ef11cbc08dab Change the %s format specifier for str objects so that it returns a Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 34931 diff changeset	438 return NULL;
19343 7257e87e0720 Patch #445762: Support --disable-unicode Martin v. Löwis <martin@v.loewis.de> parents: 19294 diff changeset	439 #ifdef Py_USING_UNICODE
13319 390e5d51ff73 If auto-conversion fails, the Unicode codecs will return NULL. Marc-André Lemburg <mal@egenix.com> parents: 13293 diff changeset	440 if (PyUnicode_Check(res)) {
390e5d51ff73 If auto-conversion fails, the Unicode codecs will return NULL. Marc-André Lemburg <mal@egenix.com> parents: 13293 diff changeset	441 PyObject* str;
390e5d51ff73 If auto-conversion fails, the Unicode codecs will return NULL. Marc-André Lemburg <mal@egenix.com> parents: 13293 diff changeset	442 str = PyUnicode_AsEncodedString(res, NULL, NULL);
390e5d51ff73 If auto-conversion fails, the Unicode codecs will return NULL. Marc-André Lemburg <mal@egenix.com> parents: 13293 diff changeset	443 Py_DECREF(res);
390e5d51ff73 If auto-conversion fails, the Unicode codecs will return NULL. Marc-André Lemburg <mal@egenix.com> parents: 13293 diff changeset	444 if (str)
390e5d51ff73 If auto-conversion fails, the Unicode codecs will return NULL. Marc-André Lemburg <mal@egenix.com> parents: 13293 diff changeset	445 res = str;
390e5d51ff73 If auto-conversion fails, the Unicode codecs will return NULL. Marc-André Lemburg <mal@egenix.com> parents: 13293 diff changeset	446 else
390e5d51ff73 If auto-conversion fails, the Unicode codecs will return NULL. Marc-André Lemburg <mal@egenix.com> parents: 13293 diff changeset	447 return NULL;
390e5d51ff73 If auto-conversion fails, the Unicode codecs will return NULL. Marc-André Lemburg <mal@egenix.com> parents: 13293 diff changeset	448 }
19343 7257e87e0720 Patch #445762: Support --disable-unicode Martin v. Löwis <martin@v.loewis.de> parents: 19294 diff changeset	449 #endif
35331 ef11cbc08dab Change the %s format specifier for str objects so that it returns a Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 34931 diff changeset	450 assert(PyString_Check(res));
11969 74b7213fb609 Many changes for Unicode, by Marc-Andre Lemburg. Guido van Rossum <guido@python.org> parents: 11673 diff changeset	451 return res;
1400 aac8231a715c * mpzmodule.c: removed redundant mpz_print function. Guido van Rossum <guido@python.org> parents: 1361 diff changeset	452 }
aac8231a715c * mpzmodule.c: removed redundant mpz_print function. Guido van Rossum <guido@python.org> parents: 1361 diff changeset	453
19343 7257e87e0720 Patch #445762: Support --disable-unicode Martin v. Löwis <martin@v.loewis.de> parents: 19294 diff changeset	454 #ifdef Py_USING_UNICODE
16001 f3740674ac5b Changes to recursive-object comparisons, having to do with a test case Guido van Rossum <guido@python.org> parents: 15962 diff changeset	455 PyObject *
f3740674ac5b Changes to recursive-object comparisons, having to do with a test case Guido van Rossum <guido@python.org> parents: 15962 diff changeset	456 PyObject_Unicode(PyObject *v)
f3740674ac5b Changes to recursive-object comparisons, having to do with a test case Guido van Rossum <guido@python.org> parents: 15962 diff changeset	457 {
f3740674ac5b Changes to recursive-object comparisons, having to do with a test case Guido van Rossum <guido@python.org> parents: 15962 diff changeset	458 PyObject *res;
34931 9a1b1e1ae653 Make subclasses of int, long, complex, float, and unicode perform type Brett Cannon <bcannon@gmail.com> parents: 34248 diff changeset	459 PyObject *func;
36977 95469e97fd90 Fix and test (manually w/xx module) passing NULLs to PyObject_Str() and Neal Norwitz <nnorwitz@gmail.com> parents: 36975 diff changeset	460 PyObject *str;
34931 9a1b1e1ae653 Make subclasses of int, long, complex, float, and unicode perform type Brett Cannon <bcannon@gmail.com> parents: 34248 diff changeset	461 static PyObject *unicodestr;
24122 d332484e394a Trashcan cleanup: Now that cyclic gc is always there, the trashcan Tim Peters <tim.peters@gmail.com> parents: 24121 diff changeset	462
36975 bdafca2192d3 Fix bug found by Coverity: don't allow NULL argument to PyUnicode_CheckExact Georg Brandl <georg@python.org> parents: 36866 diff changeset	463 if (v == NULL) {
16001 f3740674ac5b Changes to recursive-object comparisons, having to do with a test case Guido van Rossum <guido@python.org> parents: 15962 diff changeset	464 res = PyString_FromString("<NULL>");
36977 95469e97fd90 Fix and test (manually w/xx module) passing NULLs to PyObject_Str() and Neal Norwitz <nnorwitz@gmail.com> parents: 36975 diff changeset	465 if (res == NULL)
95469e97fd90 Fix and test (manually w/xx module) passing NULLs to PyObject_Str() and Neal Norwitz <nnorwitz@gmail.com> parents: 36975 diff changeset	466 return NULL;
95469e97fd90 Fix and test (manually w/xx module) passing NULLs to PyObject_Str() and Neal Norwitz <nnorwitz@gmail.com> parents: 36975 diff changeset	467 str = PyUnicode_FromEncodedObject(res, NULL, "strict");
95469e97fd90 Fix and test (manually w/xx module) passing NULLs to PyObject_Str() and Neal Norwitz <nnorwitz@gmail.com> parents: 36975 diff changeset	468 Py_DECREF(res);
95469e97fd90 Fix and test (manually w/xx module) passing NULLs to PyObject_Str() and Neal Norwitz <nnorwitz@gmail.com> parents: 36975 diff changeset	469 return str;
36975 bdafca2192d3 Fix bug found by Coverity: don't allow NULL argument to PyUnicode_CheckExact Georg Brandl <georg@python.org> parents: 36866 diff changeset	470 } else if (PyUnicode_CheckExact(v)) {
16001 f3740674ac5b Changes to recursive-object comparisons, having to do with a test case Guido van Rossum <guido@python.org> parents: 15962 diff changeset	471 Py_INCREF(v);
f3740674ac5b Changes to recursive-object comparisons, having to do with a test case Guido van Rossum <guido@python.org> parents: 15962 diff changeset	472 return v;
f3740674ac5b Changes to recursive-object comparisons, having to do with a test case Guido van Rossum <guido@python.org> parents: 15962 diff changeset	473 }
34931 9a1b1e1ae653 Make subclasses of int, long, complex, float, and unicode perform type Brett Cannon <bcannon@gmail.com> parents: 34248 diff changeset	474 /* XXX As soon as we have a tp_unicode slot, we should
9a1b1e1ae653 Make subclasses of int, long, complex, float, and unicode perform type Brett Cannon <bcannon@gmail.com> parents: 34248 diff changeset	475 check this before trying the __unicode__
9a1b1e1ae653 Make subclasses of int, long, complex, float, and unicode perform type Brett Cannon <bcannon@gmail.com> parents: 34248 diff changeset	476 method. */
9a1b1e1ae653 Make subclasses of int, long, complex, float, and unicode perform type Brett Cannon <bcannon@gmail.com> parents: 34248 diff changeset	477 if (unicodestr == NULL) {
9a1b1e1ae653 Make subclasses of int, long, complex, float, and unicode perform type Brett Cannon <bcannon@gmail.com> parents: 34248 diff changeset	478 unicodestr= PyString_InternFromString("__unicode__");
9a1b1e1ae653 Make subclasses of int, long, complex, float, and unicode perform type Brett Cannon <bcannon@gmail.com> parents: 34248 diff changeset	479 if (unicodestr == NULL)
9a1b1e1ae653 Make subclasses of int, long, complex, float, and unicode perform type Brett Cannon <bcannon@gmail.com> parents: 34248 diff changeset	480 return NULL;
20554 0336ee5b46d4 SF patch #470578: Fixes to synchronize unicode() and str() Guido van Rossum <guido@python.org> parents: 20464 diff changeset	481 }
34931 9a1b1e1ae653 Make subclasses of int, long, complex, float, and unicode perform type Brett Cannon <bcannon@gmail.com> parents: 34248 diff changeset	482 func = PyObject_GetAttr(v, unicodestr);
9a1b1e1ae653 Make subclasses of int, long, complex, float, and unicode perform type Brett Cannon <bcannon@gmail.com> parents: 34248 diff changeset	483 if (func != NULL) {
9a1b1e1ae653 Make subclasses of int, long, complex, float, and unicode perform type Brett Cannon <bcannon@gmail.com> parents: 34248 diff changeset	484 res = PyEval_CallObject(func, (PyObject *)NULL);
9a1b1e1ae653 Make subclasses of int, long, complex, float, and unicode perform type Brett Cannon <bcannon@gmail.com> parents: 34248 diff changeset	485 Py_DECREF(func);
9a1b1e1ae653 Make subclasses of int, long, complex, float, and unicode perform type Brett Cannon <bcannon@gmail.com> parents: 34248 diff changeset	486 }
16001 f3740674ac5b Changes to recursive-object comparisons, having to do with a test case Guido van Rossum <guido@python.org> parents: 15962 diff changeset	487 else {
34931 9a1b1e1ae653 Make subclasses of int, long, complex, float, and unicode perform type Brett Cannon <bcannon@gmail.com> parents: 34248 diff changeset	488 PyErr_Clear();
9a1b1e1ae653 Make subclasses of int, long, complex, float, and unicode perform type Brett Cannon <bcannon@gmail.com> parents: 34248 diff changeset	489 if (PyUnicode_Check(v)) {
9a1b1e1ae653 Make subclasses of int, long, complex, float, and unicode perform type Brett Cannon <bcannon@gmail.com> parents: 34248 diff changeset	490 /* For a Unicode subtype that's didn't overwrite __unicode__,
9a1b1e1ae653 Make subclasses of int, long, complex, float, and unicode perform type Brett Cannon <bcannon@gmail.com> parents: 34248 diff changeset	491 return a true Unicode object with the same data. */
9a1b1e1ae653 Make subclasses of int, long, complex, float, and unicode perform type Brett Cannon <bcannon@gmail.com> parents: 34248 diff changeset	492 return PyUnicode_FromUnicode(PyUnicode_AS_UNICODE(v),
9a1b1e1ae653 Make subclasses of int, long, complex, float, and unicode perform type Brett Cannon <bcannon@gmail.com> parents: 34248 diff changeset	493 PyUnicode_GET_SIZE(v));
16001 f3740674ac5b Changes to recursive-object comparisons, having to do with a test case Guido van Rossum <guido@python.org> parents: 15962 diff changeset	494 }
34931 9a1b1e1ae653 Make subclasses of int, long, complex, float, and unicode perform type Brett Cannon <bcannon@gmail.com> parents: 34248 diff changeset	495 if (PyString_CheckExact(v)) {
9a1b1e1ae653 Make subclasses of int, long, complex, float, and unicode perform type Brett Cannon <bcannon@gmail.com> parents: 34248 diff changeset	496 Py_INCREF(v);
9a1b1e1ae653 Make subclasses of int, long, complex, float, and unicode perform type Brett Cannon <bcannon@gmail.com> parents: 34248 diff changeset	497 res = v;
16001 f3740674ac5b Changes to recursive-object comparisons, having to do with a test case Guido van Rossum <guido@python.org> parents: 15962 diff changeset	498 }
f3740674ac5b Changes to recursive-object comparisons, having to do with a test case Guido van Rossum <guido@python.org> parents: 15962 diff changeset	499 else {
44350 26384b8180c7 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT. Macros for b/w compatibility are available. Christian Heimes <christian@cheimes.de> parents: 43958 diff changeset	500 if (Py_TYPE(v)->tp_str != NULL)
26384b8180c7 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT. Macros for b/w compatibility are available. Christian Heimes <christian@cheimes.de> parents: 43958 diff changeset	501 res = (*Py_TYPE(v)->tp_str)(v);
20554 0336ee5b46d4 SF patch #470578: Fixes to synchronize unicode() and str() Guido van Rossum <guido@python.org> parents: 20464 diff changeset	502 else
0336ee5b46d4 SF patch #470578: Fixes to synchronize unicode() and str() Guido van Rossum <guido@python.org> parents: 20464 diff changeset	503 res = PyObject_Repr(v);
16001 f3740674ac5b Changes to recursive-object comparisons, having to do with a test case Guido van Rossum <guido@python.org> parents: 15962 diff changeset	504 }
f3740674ac5b Changes to recursive-object comparisons, having to do with a test case Guido van Rossum <guido@python.org> parents: 15962 diff changeset	505 }
f3740674ac5b Changes to recursive-object comparisons, having to do with a test case Guido van Rossum <guido@python.org> parents: 15962 diff changeset	506 if (res == NULL)
f3740674ac5b Changes to recursive-object comparisons, having to do with a test case Guido van Rossum <guido@python.org> parents: 15962 diff changeset	507 return NULL;
f3740674ac5b Changes to recursive-object comparisons, having to do with a test case Guido van Rossum <guido@python.org> parents: 15962 diff changeset	508 if (!PyUnicode_Check(res)) {
20554 0336ee5b46d4 SF patch #470578: Fixes to synchronize unicode() and str() Guido van Rossum <guido@python.org> parents: 20464 diff changeset	509 str = PyUnicode_FromEncodedObject(res, NULL, "strict");
16001 f3740674ac5b Changes to recursive-object comparisons, having to do with a test case Guido van Rossum <guido@python.org> parents: 15962 diff changeset	510 Py_DECREF(res);
36977 95469e97fd90 Fix and test (manually w/xx module) passing NULLs to PyObject_Str() and Neal Norwitz <nnorwitz@gmail.com> parents: 36975 diff changeset	511 res = str;
16001 f3740674ac5b Changes to recursive-object comparisons, having to do with a test case Guido van Rossum <guido@python.org> parents: 15962 diff changeset	512 }
f3740674ac5b Changes to recursive-object comparisons, having to do with a test case Guido van Rossum <guido@python.org> parents: 15962 diff changeset	513 return res;
f3740674ac5b Changes to recursive-object comparisons, having to do with a test case Guido van Rossum <guido@python.org> parents: 15962 diff changeset	514 }
19343 7257e87e0720 Patch #445762: Support --disable-unicode Martin v. Löwis <martin@v.loewis.de> parents: 19294 diff changeset	515 #endif
16001 f3740674ac5b Changes to recursive-object comparisons, having to do with a test case Guido van Rossum <guido@python.org> parents: 15962 diff changeset	516
f3740674ac5b Changes to recursive-object comparisons, having to do with a test case Guido van Rossum <guido@python.org> parents: 15962 diff changeset	517
23598 2b1d61781d63 Implement the intention of SF patch 472523 (but coded differently). Guido van Rossum <guido@python.org> parents: 23542 diff changeset	518 /* Helper to warn about deprecated tp_compare return values. Return:
2b1d61781d63 Implement the intention of SF patch 472523 (but coded differently). Guido van Rossum <guido@python.org> parents: 23542 diff changeset	519 -2 for an exception;
2b1d61781d63 Implement the intention of SF patch 472523 (but coded differently). Guido van Rossum <guido@python.org> parents: 23542 diff changeset	520 -1 if v < w;
2b1d61781d63 Implement the intention of SF patch 472523 (but coded differently). Guido van Rossum <guido@python.org> parents: 23542 diff changeset	521 0 if v == w;
2b1d61781d63 Implement the intention of SF patch 472523 (but coded differently). Guido van Rossum <guido@python.org> parents: 23542 diff changeset	522 1 if v > w.
2b1d61781d63 Implement the intention of SF patch 472523 (but coded differently). Guido van Rossum <guido@python.org> parents: 23542 diff changeset	523 (This function cannot return 2.)
2b1d61781d63 Implement the intention of SF patch 472523 (but coded differently). Guido van Rossum <guido@python.org> parents: 23542 diff changeset	524 */
2b1d61781d63 Implement the intention of SF patch 472523 (but coded differently). Guido van Rossum <guido@python.org> parents: 23542 diff changeset	525 static int
2b1d61781d63 Implement the intention of SF patch 472523 (but coded differently). Guido van Rossum <guido@python.org> parents: 23542 diff changeset	526 adjust_tp_compare(int c)
2b1d61781d63 Implement the intention of SF patch 472523 (but coded differently). Guido van Rossum <guido@python.org> parents: 23542 diff changeset	527 {
2b1d61781d63 Implement the intention of SF patch 472523 (but coded differently). Guido van Rossum <guido@python.org> parents: 23542 diff changeset	528 if (PyErr_Occurred()) {
2b1d61781d63 Implement the intention of SF patch 472523 (but coded differently). Guido van Rossum <guido@python.org> parents: 23542 diff changeset	529 if (c != -1 && c != -2) {
2b1d61781d63 Implement the intention of SF patch 472523 (but coded differently). Guido van Rossum <guido@python.org> parents: 23542 diff changeset	530 PyObject t, v, *tb;
2b1d61781d63 Implement the intention of SF patch 472523 (but coded differently). Guido van Rossum <guido@python.org> parents: 23542 diff changeset	531 PyErr_Fetch(&t, &v, &tb);
2b1d61781d63 Implement the intention of SF patch 472523 (but coded differently). Guido van Rossum <guido@python.org> parents: 23542 diff changeset	532 if (PyErr_Warn(PyExc_RuntimeWarning,
2b1d61781d63 Implement the intention of SF patch 472523 (but coded differently). Guido van Rossum <guido@python.org> parents: 23542 diff changeset	533 "tp_compare didn't return -1 or -2 "
2b1d61781d63 Implement the intention of SF patch 472523 (but coded differently). Guido van Rossum <guido@python.org> parents: 23542 diff changeset	534 "for exception") < 0) {
2b1d61781d63 Implement the intention of SF patch 472523 (but coded differently). Guido van Rossum <guido@python.org> parents: 23542 diff changeset	535 Py_XDECREF(t);
2b1d61781d63 Implement the intention of SF patch 472523 (but coded differently). Guido van Rossum <guido@python.org> parents: 23542 diff changeset	536 Py_XDECREF(v);
2b1d61781d63 Implement the intention of SF patch 472523 (but coded differently). Guido van Rossum <guido@python.org> parents: 23542 diff changeset	537 Py_XDECREF(tb);
2b1d61781d63 Implement the intention of SF patch 472523 (but coded differently). Guido van Rossum <guido@python.org> parents: 23542 diff changeset	538 }
2b1d61781d63 Implement the intention of SF patch 472523 (but coded differently). Guido van Rossum <guido@python.org> parents: 23542 diff changeset	539 else
2b1d61781d63 Implement the intention of SF patch 472523 (but coded differently). Guido van Rossum <guido@python.org> parents: 23542 diff changeset	540 PyErr_Restore(t, v, tb);
2b1d61781d63 Implement the intention of SF patch 472523 (but coded differently). Guido van Rossum <guido@python.org> parents: 23542 diff changeset	541 }
2b1d61781d63 Implement the intention of SF patch 472523 (but coded differently). Guido van Rossum <guido@python.org> parents: 23542 diff changeset	542 return -2;
2b1d61781d63 Implement the intention of SF patch 472523 (but coded differently). Guido van Rossum <guido@python.org> parents: 23542 diff changeset	543 }
2b1d61781d63 Implement the intention of SF patch 472523 (but coded differently). Guido van Rossum <guido@python.org> parents: 23542 diff changeset	544 else if (c < -1 \|\| c > 1) {
2b1d61781d63 Implement the intention of SF patch 472523 (but coded differently). Guido van Rossum <guido@python.org> parents: 23542 diff changeset	545 if (PyErr_Warn(PyExc_RuntimeWarning,
2b1d61781d63 Implement the intention of SF patch 472523 (but coded differently). Guido van Rossum <guido@python.org> parents: 23542 diff changeset	546 "tp_compare didn't return -1, 0 or 1") < 0)
2b1d61781d63 Implement the intention of SF patch 472523 (but coded differently). Guido van Rossum <guido@python.org> parents: 23542 diff changeset	547 return -2;
2b1d61781d63 Implement the intention of SF patch 472523 (but coded differently). Guido van Rossum <guido@python.org> parents: 23542 diff changeset	548 else
2b1d61781d63 Implement the intention of SF patch 472523 (but coded differently). Guido van Rossum <guido@python.org> parents: 23542 diff changeset	549 return c < -1 ? -1 : 1;
2b1d61781d63 Implement the intention of SF patch 472523 (but coded differently). Guido van Rossum <guido@python.org> parents: 23542 diff changeset	550 }
2b1d61781d63 Implement the intention of SF patch 472523 (but coded differently). Guido van Rossum <guido@python.org> parents: 23542 diff changeset	551 else {
2b1d61781d63 Implement the intention of SF patch 472523 (but coded differently). Guido van Rossum <guido@python.org> parents: 23542 diff changeset	552 assert(c >= -1 && c <= 1);
2b1d61781d63 Implement the intention of SF patch 472523 (but coded differently). Guido van Rossum <guido@python.org> parents: 23542 diff changeset	553 return c;
2b1d61781d63 Implement the intention of SF patch 472523 (but coded differently). Guido van Rossum <guido@python.org> parents: 23542 diff changeset	554 }
2b1d61781d63 Implement the intention of SF patch 472523 (but coded differently). Guido van Rossum <guido@python.org> parents: 23542 diff changeset	555 }
2b1d61781d63 Implement the intention of SF patch 472523 (but coded differently). Guido van Rossum <guido@python.org> parents: 23542 diff changeset	556
2b1d61781d63 Implement the intention of SF patch 472523 (but coded differently). Guido van Rossum <guido@python.org> parents: 23542 diff changeset	557
16236 e5d59a9dbfc0 Check the Py_TPFLAGS_HAVE_RICHCOMPARE flag before using the Guido van Rossum <guido@python.org> parents: 16197 diff changeset	558 /* Macro to get the tp_richcompare field of a type if defined */
e5d59a9dbfc0 Check the Py_TPFLAGS_HAVE_RICHCOMPARE flag before using the Guido van Rossum <guido@python.org> parents: 16197 diff changeset	559 #define RICHCOMPARE(t) (PyType_HasFeature((t), Py_TPFLAGS_HAVE_RICHCOMPARE) \
e5d59a9dbfc0 Check the Py_TPFLAGS_HAVE_RICHCOMPARE flag before using the Guido van Rossum <guido@python.org> parents: 16197 diff changeset	560 ? (t)->tp_richcompare : NULL)
e5d59a9dbfc0 Check the Py_TPFLAGS_HAVE_RICHCOMPARE flag before using the Guido van Rossum <guido@python.org> parents: 16197 diff changeset	561
15941 5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	562 /* Map rich comparison operators to their swapped version, e.g. LT --> GT */
33571 a5682bc73e04 Remove 'extern' declaration for _Py_SwappedOp. Brett Cannon <bcannon@gmail.com> parents: 33541 diff changeset	563 int _Py_SwappedOp[] = {Py_GT, Py_GE, Py_EQ, Py_NE, Py_LT, Py_LE};
15941 5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	564
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	565 /* Try a genuine rich comparison, returning an object. Return:
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	566 NULL for exception;
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	567 NotImplemented if this particular rich comparison is not implemented or
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	568 undefined;
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	569 some object not equal to NotImplemented if it is implemented
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	570 (this latter object may not be a Boolean).
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	571 */
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	572 static PyObject *
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	573 try_rich_compare(PyObject v, PyObject w, int op)
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	574 {
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	575 richcmpfunc f;
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	576 PyObject *res;
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	577
20140 225f17ec8932 Merge branch changes (coercion, rich comparisons) into trunk. Guido van Rossum <guido@python.org> parents: 20002 diff changeset	578 if (v->ob_type != w->ob_type &&
225f17ec8932 Merge branch changes (coercion, rich comparisons) into trunk. Guido van Rossum <guido@python.org> parents: 20002 diff changeset	579 PyType_IsSubtype(w->ob_type, v->ob_type) &&
225f17ec8932 Merge branch changes (coercion, rich comparisons) into trunk. Guido van Rossum <guido@python.org> parents: 20002 diff changeset	580 (f = RICHCOMPARE(w->ob_type)) != NULL) {
33541 781aef974463 A static swapped_op[] array was defined in 3 different C files, & I think Tim Peters <tim.peters@gmail.com> parents: 33489 diff changeset	581 res = (*f)(w, v, _Py_SwappedOp[op]);
20140 225f17ec8932 Merge branch changes (coercion, rich comparisons) into trunk. Guido van Rossum <guido@python.org> parents: 20002 diff changeset	582 if (res != Py_NotImplemented)
225f17ec8932 Merge branch changes (coercion, rich comparisons) into trunk. Guido van Rossum <guido@python.org> parents: 20002 diff changeset	583 return res;
225f17ec8932 Merge branch changes (coercion, rich comparisons) into trunk. Guido van Rossum <guido@python.org> parents: 20002 diff changeset	584 Py_DECREF(res);
225f17ec8932 Merge branch changes (coercion, rich comparisons) into trunk. Guido van Rossum <guido@python.org> parents: 20002 diff changeset	585 }
16236 e5d59a9dbfc0 Check the Py_TPFLAGS_HAVE_RICHCOMPARE flag before using the Guido van Rossum <guido@python.org> parents: 16197 diff changeset	586 if ((f = RICHCOMPARE(v->ob_type)) != NULL) {
15941 5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	587 res = (*f)(v, w, op);
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	588 if (res != Py_NotImplemented)
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	589 return res;
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	590 Py_DECREF(res);
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	591 }
16236 e5d59a9dbfc0 Check the Py_TPFLAGS_HAVE_RICHCOMPARE flag before using the Guido van Rossum <guido@python.org> parents: 16197 diff changeset	592 if ((f = RICHCOMPARE(w->ob_type)) != NULL) {
33541 781aef974463 A static swapped_op[] array was defined in 3 different C files, & I think Tim Peters <tim.peters@gmail.com> parents: 33489 diff changeset	593 return (*f)(w, v, _Py_SwappedOp[op]);
15941 5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	594 }
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	595 res = Py_NotImplemented;
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	596 Py_INCREF(res);
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	597 return res;
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	598 }
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	599
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	600 /* Try a genuine rich comparison, returning an int. Return:
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	601 -1 for exception (including the case where try_rich_compare() returns an
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	602 object that's not a Boolean);
20863 d6ff1daae398 No code change -- just trying to document the return conditions for all Tim Peters <tim.peters@gmail.com> parents: 20612 diff changeset	603 0 if the outcome is false;
d6ff1daae398 No code change -- just trying to document the return conditions for all Tim Peters <tim.peters@gmail.com> parents: 20612 diff changeset	604 1 if the outcome is true;
d6ff1daae398 No code change -- just trying to document the return conditions for all Tim Peters <tim.peters@gmail.com> parents: 20612 diff changeset	605 2 if this particular rich comparison is not implemented or undefined.
15941 5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	606 */
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	607 static int
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	608 try_rich_compare_bool(PyObject v, PyObject w, int op)
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	609 {
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	610 PyObject *res;
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	611 int ok;
15726 db9f1893be01 Changes for PEP 208. PyObject_Compare has been rewritten. Instances no Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 15318 diff changeset	612
16236 e5d59a9dbfc0 Check the Py_TPFLAGS_HAVE_RICHCOMPARE flag before using the Guido van Rossum <guido@python.org> parents: 16197 diff changeset	613 if (RICHCOMPARE(v->ob_type) == NULL && RICHCOMPARE(w->ob_type) == NULL)
15941 5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	614 return 2; /* Shortcut, avoid INCREF+DECREF */
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	615 res = try_rich_compare(v, w, op);
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	616 if (res == NULL)
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	617 return -1;
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	618 if (res == Py_NotImplemented) {
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	619 Py_DECREF(res);
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	620 return 2;
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	621 }
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	622 ok = PyObject_IsTrue(res);
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	623 Py_DECREF(res);
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	624 return ok;
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	625 }
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	626
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	627 /* Try rich comparisons to determine a 3-way comparison. Return:
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	628 -2 for an exception;
20863 d6ff1daae398 No code change -- just trying to document the return conditions for all Tim Peters <tim.peters@gmail.com> parents: 20612 diff changeset	629 -1 if v < w;
d6ff1daae398 No code change -- just trying to document the return conditions for all Tim Peters <tim.peters@gmail.com> parents: 20612 diff changeset	630 0 if v == w;
d6ff1daae398 No code change -- just trying to document the return conditions for all Tim Peters <tim.peters@gmail.com> parents: 20612 diff changeset	631 1 if v > w;
d6ff1daae398 No code change -- just trying to document the return conditions for all Tim Peters <tim.peters@gmail.com> parents: 20612 diff changeset	632 2 if this particular rich comparison is not implemented or undefined.
15941 5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	633 */
15726 db9f1893be01 Changes for PEP 208. PyObject_Compare has been rewritten. Instances no Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 15318 diff changeset	634 static int
15941 5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	635 try_rich_to_3way_compare(PyObject v, PyObject w)
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	636 {
15962 f1751abf771f Deal properly (?) with comparing recursive datastructures. Guido van Rossum <guido@python.org> parents: 15952 diff changeset	637 static struct { int op; int outcome; } tries[3] = {
f1751abf771f Deal properly (?) with comparing recursive datastructures. Guido van Rossum <guido@python.org> parents: 15952 diff changeset	638 /* Try this operator, and if it is true, use this outcome: */
f1751abf771f Deal properly (?) with comparing recursive datastructures. Guido van Rossum <guido@python.org> parents: 15952 diff changeset	639 {Py_EQ, 0},
f1751abf771f Deal properly (?) with comparing recursive datastructures. Guido van Rossum <guido@python.org> parents: 15952 diff changeset	640 {Py_LT, -1},
f1751abf771f Deal properly (?) with comparing recursive datastructures. Guido van Rossum <guido@python.org> parents: 15952 diff changeset	641 {Py_GT, 1},
f1751abf771f Deal properly (?) with comparing recursive datastructures. Guido van Rossum <guido@python.org> parents: 15952 diff changeset	642 };
f1751abf771f Deal properly (?) with comparing recursive datastructures. Guido van Rossum <guido@python.org> parents: 15952 diff changeset	643 int i;
f1751abf771f Deal properly (?) with comparing recursive datastructures. Guido van Rossum <guido@python.org> parents: 15952 diff changeset	644
16236 e5d59a9dbfc0 Check the Py_TPFLAGS_HAVE_RICHCOMPARE flag before using the Guido van Rossum <guido@python.org> parents: 16197 diff changeset	645 if (RICHCOMPARE(v->ob_type) == NULL && RICHCOMPARE(w->ob_type) == NULL)
15941 5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	646 return 2; /* Shortcut */
15962 f1751abf771f Deal properly (?) with comparing recursive datastructures. Guido van Rossum <guido@python.org> parents: 15952 diff changeset	647
f1751abf771f Deal properly (?) with comparing recursive datastructures. Guido van Rossum <guido@python.org> parents: 15952 diff changeset	648 for (i = 0; i < 3; i++) {
f1751abf771f Deal properly (?) with comparing recursive datastructures. Guido van Rossum <guido@python.org> parents: 15952 diff changeset	649 switch (try_rich_compare_bool(v, w, tries[i].op)) {
f1751abf771f Deal properly (?) with comparing recursive datastructures. Guido van Rossum <guido@python.org> parents: 15952 diff changeset	650 case -1:
17698 aad0adf806ad SF bug #422108 - Error in rich comparisons. Tim Peters <tim.peters@gmail.com> parents: 17688 diff changeset	651 return -2;
15962 f1751abf771f Deal properly (?) with comparing recursive datastructures. Guido van Rossum <guido@python.org> parents: 15952 diff changeset	652 case 1:
f1751abf771f Deal properly (?) with comparing recursive datastructures. Guido van Rossum <guido@python.org> parents: 15952 diff changeset	653 return tries[i].outcome;
f1751abf771f Deal properly (?) with comparing recursive datastructures. Guido van Rossum <guido@python.org> parents: 15952 diff changeset	654 }
15941 5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	655 }
15962 f1751abf771f Deal properly (?) with comparing recursive datastructures. Guido van Rossum <guido@python.org> parents: 15952 diff changeset	656
f1751abf771f Deal properly (?) with comparing recursive datastructures. Guido van Rossum <guido@python.org> parents: 15952 diff changeset	657 return 2;
15941 5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	658 }
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	659
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	660 /* Try a 3-way comparison, returning an int. Return:
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	661 -2 for an exception;
20863 d6ff1daae398 No code change -- just trying to document the return conditions for all Tim Peters <tim.peters@gmail.com> parents: 20612 diff changeset	662 -1 if v < w;
d6ff1daae398 No code change -- just trying to document the return conditions for all Tim Peters <tim.peters@gmail.com> parents: 20612 diff changeset	663 0 if v == w;
d6ff1daae398 No code change -- just trying to document the return conditions for all Tim Peters <tim.peters@gmail.com> parents: 20612 diff changeset	664 1 if v > w;
d6ff1daae398 No code change -- just trying to document the return conditions for all Tim Peters <tim.peters@gmail.com> parents: 20612 diff changeset	665 2 if this particular 3-way comparison is not implemented or undefined.
15941 5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	666 */
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	667 static int
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	668 try_3way_compare(PyObject v, PyObject w)
15726 db9f1893be01 Changes for PEP 208. PyObject_Compare has been rewritten. Instances no Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 15318 diff changeset	669 {
db9f1893be01 Changes for PEP 208. PyObject_Compare has been rewritten. Instances no Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 15318 diff changeset	670 int c;
15941 5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	671 cmpfunc f;
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	672
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	673 /* Comparisons involving instances are given to instance_compare,
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	674 which has the same return conventions as this function. */
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	675
19970 f761cab28c1c Hopefully fix 3-way comparisons. This unfortunately adds yet another Guido van Rossum <guido@python.org> parents: 19932 diff changeset	676 f = v->ob_type->tp_compare;
15941 5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	677 if (PyInstance_Check(v))
19970 f761cab28c1c Hopefully fix 3-way comparisons. This unfortunately adds yet another Guido van Rossum <guido@python.org> parents: 19932 diff changeset	678 return (*f)(v, w);
15941 5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	679 if (PyInstance_Check(w))
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	680 return (*w->ob_type->tp_compare)(v, w);
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	681
19970 f761cab28c1c Hopefully fix 3-way comparisons. This unfortunately adds yet another Guido van Rossum <guido@python.org> parents: 19932 diff changeset	682 /* If both have the same (non-NULL) tp_compare, use it. */
f761cab28c1c Hopefully fix 3-way comparisons. This unfortunately adds yet another Guido van Rossum <guido@python.org> parents: 19932 diff changeset	683 if (f != NULL && f == w->ob_type->tp_compare) {
f761cab28c1c Hopefully fix 3-way comparisons. This unfortunately adds yet another Guido van Rossum <guido@python.org> parents: 19932 diff changeset	684 c = (*f)(v, w);
23598 2b1d61781d63 Implement the intention of SF patch 472523 (but coded differently). Guido van Rossum <guido@python.org> parents: 23542 diff changeset	685 return adjust_tp_compare(c);
19970 f761cab28c1c Hopefully fix 3-way comparisons. This unfortunately adds yet another Guido van Rossum <guido@python.org> parents: 19932 diff changeset	686 }
f761cab28c1c Hopefully fix 3-way comparisons. This unfortunately adds yet another Guido van Rossum <guido@python.org> parents: 19932 diff changeset	687
f761cab28c1c Hopefully fix 3-way comparisons. This unfortunately adds yet another Guido van Rossum <guido@python.org> parents: 19932 diff changeset	688 /* If either tp_compare is _PyObject_SlotCompare, that's safe. */
f761cab28c1c Hopefully fix 3-way comparisons. This unfortunately adds yet another Guido van Rossum <guido@python.org> parents: 19932 diff changeset	689 if (f == _PyObject_SlotCompare \|\|
f761cab28c1c Hopefully fix 3-way comparisons. This unfortunately adds yet another Guido van Rossum <guido@python.org> parents: 19932 diff changeset	690 w->ob_type->tp_compare == _PyObject_SlotCompare)
f761cab28c1c Hopefully fix 3-way comparisons. This unfortunately adds yet another Guido van Rossum <guido@python.org> parents: 19932 diff changeset	691 return _PyObject_SlotCompare(v, w);
f761cab28c1c Hopefully fix 3-way comparisons. This unfortunately adds yet another Guido van Rossum <guido@python.org> parents: 19932 diff changeset	692
34248 86c3a7c6b00a Dima Dorfman's patch for coercion/comparison of C types (patch #995939), with Armin Rigo <arigo@tunes.org> parents: 33571 diff changeset	693 /* If we're here, v and w,
86c3a7c6b00a Dima Dorfman's patch for coercion/comparison of C types (patch #995939), with Armin Rigo <arigo@tunes.org> parents: 33571 diff changeset	694 a) are not instances;
86c3a7c6b00a Dima Dorfman's patch for coercion/comparison of C types (patch #995939), with Armin Rigo <arigo@tunes.org> parents: 33571 diff changeset	695 b) have different types or a type without tp_compare; and
86c3a7c6b00a Dima Dorfman's patch for coercion/comparison of C types (patch #995939), with Armin Rigo <arigo@tunes.org> parents: 33571 diff changeset	696 c) don't have a user-defined tp_compare.
86c3a7c6b00a Dima Dorfman's patch for coercion/comparison of C types (patch #995939), with Armin Rigo <arigo@tunes.org> parents: 33571 diff changeset	697 tp_compare implementations in C assume that both arguments
86c3a7c6b00a Dima Dorfman's patch for coercion/comparison of C types (patch #995939), with Armin Rigo <arigo@tunes.org> parents: 33571 diff changeset	698 have their type, so we give up if the coercion fails or if
86c3a7c6b00a Dima Dorfman's patch for coercion/comparison of C types (patch #995939), with Armin Rigo <arigo@tunes.org> parents: 33571 diff changeset	699 it yields types which are still incompatible (which can
86c3a7c6b00a Dima Dorfman's patch for coercion/comparison of C types (patch #995939), with Armin Rigo <arigo@tunes.org> parents: 33571 diff changeset	700 happen with a user-defined nb_coerce).
86c3a7c6b00a Dima Dorfman's patch for coercion/comparison of C types (patch #995939), with Armin Rigo <arigo@tunes.org> parents: 33571 diff changeset	701 */
15941 5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	702 c = PyNumber_CoerceEx(&v, &w);
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	703 if (c < 0)
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	704 return -2;
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	705 if (c > 0)
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	706 return 2;
34248 86c3a7c6b00a Dima Dorfman's patch for coercion/comparison of C types (patch #995939), with Armin Rigo <arigo@tunes.org> parents: 33571 diff changeset	707 f = v->ob_type->tp_compare;
86c3a7c6b00a Dima Dorfman's patch for coercion/comparison of C types (patch #995939), with Armin Rigo <arigo@tunes.org> parents: 33571 diff changeset	708 if (f != NULL && f == w->ob_type->tp_compare) {
15941 5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	709 c = (*f)(v, w);
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	710 Py_DECREF(v);
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	711 Py_DECREF(w);
23598 2b1d61781d63 Implement the intention of SF patch 472523 (but coded differently). Guido van Rossum <guido@python.org> parents: 23542 diff changeset	712 return adjust_tp_compare(c);
15941 5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	713 }
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	714
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	715 /* No comparison defined */
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	716 Py_DECREF(v);
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	717 Py_DECREF(w);
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	718 return 2;
15726 db9f1893be01 Changes for PEP 208. PyObject_Compare has been rewritten. Instances no Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 15318 diff changeset	719 }
db9f1893be01 Changes for PEP 208. PyObject_Compare has been rewritten. Instances no Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 15318 diff changeset	720
15941 5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	721 /* Final fallback 3-way comparison, returning an int. Return:
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	722 -2 if an error occurred;
20863 d6ff1daae398 No code change -- just trying to document the return conditions for all Tim Peters <tim.peters@gmail.com> parents: 20612 diff changeset	723 -1 if v < w;
d6ff1daae398 No code change -- just trying to document the return conditions for all Tim Peters <tim.peters@gmail.com> parents: 20612 diff changeset	724 0 if v == w;
d6ff1daae398 No code change -- just trying to document the return conditions for all Tim Peters <tim.peters@gmail.com> parents: 20612 diff changeset	725 1 if v > w.
15941 5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	726 */
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	727 static int
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	728 default_3way_compare(PyObject v, PyObject w)
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	729 {
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	730 int c;
35999 9541369b0dca Add const to several API functions that take char . Jeremy Hylton <jeremy@alum.mit.edu>* parents: 35331 diff changeset	731 const char vname, wname;
15941 5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	732
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	733 if (v->ob_type == w->ob_type) {
16062 afc6f1137ea4 Tim chastens: Barry Warsaw <barry@python.org> parents: 16061 diff changeset	734 /* When comparing these pointers, they must be cast to
afc6f1137ea4 Tim chastens: Barry Warsaw <barry@python.org> parents: 16061 diff changeset	735 * integer types (i.e. Py_uintptr_t, our spelling of C9X's
afc6f1137ea4 Tim chastens: Barry Warsaw <barry@python.org> parents: 16061 diff changeset	736 * uintptr_t). ANSI specifies that pointer compares other
afc6f1137ea4 Tim chastens: Barry Warsaw <barry@python.org> parents: 16061 diff changeset	737 * than == and != to non-related structures are undefined.
afc6f1137ea4 Tim chastens: Barry Warsaw <barry@python.org> parents: 16061 diff changeset	738 */
16061 6b647a5d5b7e default_3way_compare(): When comparing the pointers, they must be cast Barry Warsaw <barry@python.org> parents: 16002 diff changeset	739 Py_uintptr_t vv = (Py_uintptr_t)v;
6b647a5d5b7e default_3way_compare(): When comparing the pointers, they must be cast Barry Warsaw <barry@python.org> parents: 16002 diff changeset	740 Py_uintptr_t ww = (Py_uintptr_t)w;
15941 5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	741 return (vv < ww) ? -1 : (vv > ww) ? 1 : 0;
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	742 }
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	743
16123 f997ded4e219 New special case in comparisons: None is smaller than any other object Guido van Rossum <guido@python.org> parents: 16108 diff changeset	744 /* None is smaller than anything */
f997ded4e219 New special case in comparisons: None is smaller than any other object Guido van Rossum <guido@python.org> parents: 16108 diff changeset	745 if (v == Py_None)
f997ded4e219 New special case in comparisons: None is smaller than any other object Guido van Rossum <guido@python.org> parents: 16108 diff changeset	746 return -1;
f997ded4e219 New special case in comparisons: None is smaller than any other object Guido van Rossum <guido@python.org> parents: 16108 diff changeset	747 if (w == Py_None)
f997ded4e219 New special case in comparisons: None is smaller than any other object Guido van Rossum <guido@python.org> parents: 16108 diff changeset	748 return 1;
f997ded4e219 New special case in comparisons: None is smaller than any other object Guido van Rossum <guido@python.org> parents: 16108 diff changeset	749
27938 c9401a36bae7 default_3way_compare(): use PyNumber_Check(), rather than testing for Guido van Rossum <guido@python.org> parents: 27702 diff changeset	750 /* different type: compare type names; numbers are smaller */
c9401a36bae7 default_3way_compare(): use PyNumber_Check(), rather than testing for Guido van Rossum <guido@python.org> parents: 27702 diff changeset	751 if (PyNumber_Check(v))
16108 28d8ccbe237f Once again, numeric-smelling objects compare smaller than non-numeric Guido van Rossum <guido@python.org> parents: 16079 diff changeset	752 vname = "";
28d8ccbe237f Once again, numeric-smelling objects compare smaller than non-numeric Guido van Rossum <guido@python.org> parents: 16079 diff changeset	753 else
28d8ccbe237f Once again, numeric-smelling objects compare smaller than non-numeric Guido van Rossum <guido@python.org> parents: 16079 diff changeset	754 vname = v->ob_type->tp_name;
27938 c9401a36bae7 default_3way_compare(): use PyNumber_Check(), rather than testing for Guido van Rossum <guido@python.org> parents: 27702 diff changeset	755 if (PyNumber_Check(w))
16108 28d8ccbe237f Once again, numeric-smelling objects compare smaller than non-numeric Guido van Rossum <guido@python.org> parents: 16079 diff changeset	756 wname = "";
28d8ccbe237f Once again, numeric-smelling objects compare smaller than non-numeric Guido van Rossum <guido@python.org> parents: 16079 diff changeset	757 else
28d8ccbe237f Once again, numeric-smelling objects compare smaller than non-numeric Guido van Rossum <guido@python.org> parents: 16079 diff changeset	758 wname = w->ob_type->tp_name;
28d8ccbe237f Once again, numeric-smelling objects compare smaller than non-numeric Guido van Rossum <guido@python.org> parents: 16079 diff changeset	759 c = strcmp(vname, wname);
28d8ccbe237f Once again, numeric-smelling objects compare smaller than non-numeric Guido van Rossum <guido@python.org> parents: 16079 diff changeset	760 if (c < 0)
28d8ccbe237f Once again, numeric-smelling objects compare smaller than non-numeric Guido van Rossum <guido@python.org> parents: 16079 diff changeset	761 return -1;
28d8ccbe237f Once again, numeric-smelling objects compare smaller than non-numeric Guido van Rossum <guido@python.org> parents: 16079 diff changeset	762 if (c > 0)
28d8ccbe237f Once again, numeric-smelling objects compare smaller than non-numeric Guido van Rossum <guido@python.org> parents: 16079 diff changeset	763 return 1;
28d8ccbe237f Once again, numeric-smelling objects compare smaller than non-numeric Guido van Rossum <guido@python.org> parents: 16079 diff changeset	764 /* Same type name, or (more likely) incomparable numeric types */
28d8ccbe237f Once again, numeric-smelling objects compare smaller than non-numeric Guido van Rossum <guido@python.org> parents: 16079 diff changeset	765 return ((Py_uintptr_t)(v->ob_type) < (
28d8ccbe237f Once again, numeric-smelling objects compare smaller than non-numeric Guido van Rossum <guido@python.org> parents: 16079 diff changeset	766 Py_uintptr_t)(w->ob_type)) ? -1 : 1;
15941 5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	767 }
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	768
17698 aad0adf806ad SF bug #422108 - Error in rich comparisons. Tim Peters <tim.peters@gmail.com> parents: 17688 diff changeset	769 /* Do a 3-way comparison, by hook or by crook. Return:
23598 2b1d61781d63 Implement the intention of SF patch 472523 (but coded differently). Guido van Rossum <guido@python.org> parents: 23542 diff changeset	770 -2 for an exception (but see below);
20863 d6ff1daae398 No code change -- just trying to document the return conditions for all Tim Peters <tim.peters@gmail.com> parents: 20612 diff changeset	771 -1 if v < w;
17698 aad0adf806ad SF bug #422108 - Error in rich comparisons. Tim Peters <tim.peters@gmail.com> parents: 17688 diff changeset	772 0 if v == w;
20863 d6ff1daae398 No code change -- just trying to document the return conditions for all Tim Peters <tim.peters@gmail.com> parents: 20612 diff changeset	773 1 if v > w;
23598 2b1d61781d63 Implement the intention of SF patch 472523 (but coded differently). Guido van Rossum <guido@python.org> parents: 23542 diff changeset	774 BUT: if the object implements a tp_compare function, it returns
18063 bbac2a6a5d16 Patch #424475: Speed-up tp_compare usage, by special-casing the common Martin v. Löwis <martin@v.loewis.de> parents: 17781 diff changeset	775 whatever this function returns (whether with an exception or not).
17698 aad0adf806ad SF bug #422108 - Error in rich comparisons. Tim Peters <tim.peters@gmail.com> parents: 17688 diff changeset	776 */
15726 db9f1893be01 Changes for PEP 208. PyObject_Compare has been rewritten. Instances no Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 15318 diff changeset	777 static int
13473 31b1f691a7d9 ANSI-fication of the sources. Fred Drake <fdrake@acm.org> parents: 13447 diff changeset	778 do_cmp(PyObject v, PyObject w)
2124 36847b8b575d properly implement cmp() for class instances Guido van Rossum <guido@python.org> parents: 2113 diff changeset	779 {
15726 db9f1893be01 Changes for PEP 208. PyObject_Compare has been rewritten. Instances no Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 15318 diff changeset	780 int c;
18063 bbac2a6a5d16 Patch #424475: Speed-up tp_compare usage, by special-casing the common Martin v. Löwis <martin@v.loewis.de> parents: 17781 diff changeset	781 cmpfunc f;
15726 db9f1893be01 Changes for PEP 208. PyObject_Compare has been rewritten. Instances no Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 15318 diff changeset	782
18063 bbac2a6a5d16 Patch #424475: Speed-up tp_compare usage, by special-casing the common Martin v. Löwis <martin@v.loewis.de> parents: 17781 diff changeset	783 if (v->ob_type == w->ob_type
19293 1e87db0ca248 Update to MvL's patch #424475 to avoid returning 2 when tp_compare Guido van Rossum <guido@python.org> parents: 19040 diff changeset	784 && (f = v->ob_type->tp_compare) != NULL) {
1e87db0ca248 Update to MvL's patch #424475 to avoid returning 2 when tp_compare Guido van Rossum <guido@python.org> parents: 19040 diff changeset	785 c = (*f)(v, w);
23598 2b1d61781d63 Implement the intention of SF patch 472523 (but coded differently). Guido van Rossum <guido@python.org> parents: 23542 diff changeset	786 if (PyInstance_Check(v)) {
2b1d61781d63 Implement the intention of SF patch 472523 (but coded differently). Guido van Rossum <guido@python.org> parents: 23542 diff changeset	787 /* Instance tp_compare has a different signature.
2b1d61781d63 Implement the intention of SF patch 472523 (but coded differently). Guido van Rossum <guido@python.org> parents: 23542 diff changeset	788 But if it returns undefined we fall through. */
2b1d61781d63 Implement the intention of SF patch 472523 (but coded differently). Guido van Rossum <guido@python.org> parents: 23542 diff changeset	789 if (c != 2)
2b1d61781d63 Implement the intention of SF patch 472523 (but coded differently). Guido van Rossum <guido@python.org> parents: 23542 diff changeset	790 return c;
23599 197fb305fc5c Fix typo Neal Norwitz <nnorwitz@gmail.com> parents: 23598 diff changeset	791 /* Else fall through to try_rich_to_3way_compare() */
23598 2b1d61781d63 Implement the intention of SF patch 472523 (but coded differently). Guido van Rossum <guido@python.org> parents: 23542 diff changeset	792 }
2b1d61781d63 Implement the intention of SF patch 472523 (but coded differently). Guido van Rossum <guido@python.org> parents: 23542 diff changeset	793 else
2b1d61781d63 Implement the intention of SF patch 472523 (but coded differently). Guido van Rossum <guido@python.org> parents: 23542 diff changeset	794 return adjust_tp_compare(c);
19293 1e87db0ca248 Update to MvL's patch #424475 to avoid returning 2 when tp_compare Guido van Rossum <guido@python.org> parents: 19040 diff changeset	795 }
23598 2b1d61781d63 Implement the intention of SF patch 472523 (but coded differently). Guido van Rossum <guido@python.org> parents: 23542 diff changeset	796 /* We only get here if one of the following is true:
2b1d61781d63 Implement the intention of SF patch 472523 (but coded differently). Guido van Rossum <guido@python.org> parents: 23542 diff changeset	797 a) v and w have different types
2b1d61781d63 Implement the intention of SF patch 472523 (but coded differently). Guido van Rossum <guido@python.org> parents: 23542 diff changeset	798 b) v and w have the same type, which doesn't have tp_compare
2b1d61781d63 Implement the intention of SF patch 472523 (but coded differently). Guido van Rossum <guido@python.org> parents: 23542 diff changeset	799 c) v and w are instances, and either __cmp__ is not defined or
2b1d61781d63 Implement the intention of SF patch 472523 (but coded differently). Guido van Rossum <guido@python.org> parents: 23542 diff changeset	800 __cmp__ returns NotImplemented
2b1d61781d63 Implement the intention of SF patch 472523 (but coded differently). Guido van Rossum <guido@python.org> parents: 23542 diff changeset	801 */
15941 5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	802 c = try_rich_to_3way_compare(v, w);
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	803 if (c < 2)
15726 db9f1893be01 Changes for PEP 208. PyObject_Compare has been rewritten. Instances no Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 15318 diff changeset	804 return c;
15941 5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	805 c = try_3way_compare(v, w);
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	806 if (c < 2)
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	807 return c;
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	808 return default_3way_compare(v, w);
2124 36847b8b575d properly implement cmp() for class instances Guido van Rossum <guido@python.org> parents: 2113 diff changeset	809 }
36847b8b575d properly implement cmp() for class instances Guido van Rossum <guido@python.org> parents: 2113 diff changeset	810
20863 d6ff1daae398 No code change -- just trying to document the return conditions for all Tim Peters <tim.peters@gmail.com> parents: 20612 diff changeset	811 /* Compare v to w. Return
d6ff1daae398 No code change -- just trying to document the return conditions for all Tim Peters <tim.peters@gmail.com> parents: 20612 diff changeset	812 -1 if v < w or exception (PyErr_Occurred() true in latter case).
d6ff1daae398 No code change -- just trying to document the return conditions for all Tim Peters <tim.peters@gmail.com> parents: 20612 diff changeset	813 0 if v == w.
d6ff1daae398 No code change -- just trying to document the return conditions for all Tim Peters <tim.peters@gmail.com> parents: 20612 diff changeset	814 1 if v > w.
d6ff1daae398 No code change -- just trying to document the return conditions for all Tim Peters <tim.peters@gmail.com> parents: 20612 diff changeset	815 XXX The docs (C API manual) say the return value is undefined in case
d6ff1daae398 No code change -- just trying to document the return conditions for all Tim Peters <tim.peters@gmail.com> parents: 20612 diff changeset	816 XXX of error.
d6ff1daae398 No code change -- just trying to document the return conditions for all Tim Peters <tim.peters@gmail.com> parents: 20612 diff changeset	817 */
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	818 int
13473 31b1f691a7d9 ANSI-fication of the sources. Fred Drake <fdrake@acm.org> parents: 13447 diff changeset	819 PyObject_Compare(PyObject v, PyObject w)
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	820 {
12406 ec6b6ca5d111 Fix PR#7 comparisons of recursive objects Jeremy Hylton <jeremy@alum.mit.edu> parents: 12327 diff changeset	821 int result;
ec6b6ca5d111 Fix PR#7 comparisons of recursive objects Jeremy Hylton <jeremy@alum.mit.edu> parents: 12327 diff changeset	822
5610 10e9cfa010f0 PyObject_Compare can raise an exception now. Guido van Rossum <guido@python.org> parents: 5560 diff changeset	823 if (v == NULL \|\| w == NULL) {
10e9cfa010f0 PyObject_Compare can raise an exception now. Guido van Rossum <guido@python.org> parents: 5560 diff changeset	824 PyErr_BadInternalCall();
10e9cfa010f0 PyObject_Compare can raise an exception now. Guido van Rossum <guido@python.org> parents: 5560 diff changeset	825 return -1;
10e9cfa010f0 PyObject_Compare can raise an exception now. Guido van Rossum <guido@python.org> parents: 5560 diff changeset	826 }
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	827 if (v == w)
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	828 return 0;
30801 c42c40034536 Deleting cyclic object comparison. Armin Rigo <arigo@tunes.org> parents: 30159 diff changeset	829 if (Py_EnterRecursiveCall(" in cmp"))
c42c40034536 Deleting cyclic object comparison. Armin Rigo <arigo@tunes.org> parents: 30159 diff changeset	830 return -1;
c42c40034536 Deleting cyclic object comparison. Armin Rigo <arigo@tunes.org> parents: 30159 diff changeset	831 result = do_cmp(v, w);
c42c40034536 Deleting cyclic object comparison. Armin Rigo <arigo@tunes.org> parents: 30159 diff changeset	832 Py_LeaveRecursiveCall();
15941 5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	833 return result < 0 ? -1 : result;
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	834 }
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	835
20863 d6ff1daae398 No code change -- just trying to document the return conditions for all Tim Peters <tim.peters@gmail.com> parents: 20612 diff changeset	836 /* Return (new reference to) Py_True or Py_False. */
15941 5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	837 static PyObject *
18063 bbac2a6a5d16 Patch #424475: Speed-up tp_compare usage, by special-casing the common Martin v. Löwis <martin@v.loewis.de> parents: 17781 diff changeset	838 convert_3way_to_object(int op, int c)
15941 5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	839 {
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	840 PyObject *result;
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	841 switch (op) {
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	842 case Py_LT: c = c < 0; break;
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	843 case Py_LE: c = c <= 0; break;
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	844 case Py_EQ: c = c == 0; break;
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	845 case Py_NE: c = c != 0; break;
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	846 case Py_GT: c = c > 0; break;
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	847 case Py_GE: c = c >= 0; break;
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	848 }
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	849 result = c ? Py_True : Py_False;
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	850 Py_INCREF(result);
12406 ec6b6ca5d111 Fix PR#7 comparisons of recursive objects Jeremy Hylton <jeremy@alum.mit.edu> parents: 12327 diff changeset	851 return result;
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	852 }
24122 d332484e394a Trashcan cleanup: Now that cyclic gc is always there, the trashcan Tim Peters <tim.peters@gmail.com> parents: 24121 diff changeset	853
20863 d6ff1daae398 No code change -- just trying to document the return conditions for all Tim Peters <tim.peters@gmail.com> parents: 20612 diff changeset	854 /* We want a rich comparison but don't have one. Try a 3-way cmp instead.
d6ff1daae398 No code change -- just trying to document the return conditions for all Tim Peters <tim.peters@gmail.com> parents: 20612 diff changeset	855 Return
d6ff1daae398 No code change -- just trying to document the return conditions for all Tim Peters <tim.peters@gmail.com> parents: 20612 diff changeset	856 NULL if error
d6ff1daae398 No code change -- just trying to document the return conditions for all Tim Peters <tim.peters@gmail.com> parents: 20612 diff changeset	857 Py_True if v op w
d6ff1daae398 No code change -- just trying to document the return conditions for all Tim Peters <tim.peters@gmail.com> parents: 20612 diff changeset	858 Py_False if not (v op w)
d6ff1daae398 No code change -- just trying to document the return conditions for all Tim Peters <tim.peters@gmail.com> parents: 20612 diff changeset	859 */
18063 bbac2a6a5d16 Patch #424475: Speed-up tp_compare usage, by special-casing the common Martin v. Löwis <martin@v.loewis.de> parents: 17781 diff changeset	860 static PyObject *
bbac2a6a5d16 Patch #424475: Speed-up tp_compare usage, by special-casing the common Martin v. Löwis <martin@v.loewis.de> parents: 17781 diff changeset	861 try_3way_to_rich_compare(PyObject v, PyObject w, int op)
bbac2a6a5d16 Patch #424475: Speed-up tp_compare usage, by special-casing the common Martin v. Löwis <martin@v.loewis.de> parents: 17781 diff changeset	862 {
bbac2a6a5d16 Patch #424475: Speed-up tp_compare usage, by special-casing the common Martin v. Löwis <martin@v.loewis.de> parents: 17781 diff changeset	863 int c;
bbac2a6a5d16 Patch #424475: Speed-up tp_compare usage, by special-casing the common Martin v. Löwis <martin@v.loewis.de> parents: 17781 diff changeset	864
bbac2a6a5d16 Patch #424475: Speed-up tp_compare usage, by special-casing the common Martin v. Löwis <martin@v.loewis.de> parents: 17781 diff changeset	865 c = try_3way_compare(v, w);
bbac2a6a5d16 Patch #424475: Speed-up tp_compare usage, by special-casing the common Martin v. Löwis <martin@v.loewis.de> parents: 17781 diff changeset	866 if (c >= 2)
bbac2a6a5d16 Patch #424475: Speed-up tp_compare usage, by special-casing the common Martin v. Löwis <martin@v.loewis.de> parents: 17781 diff changeset	867 c = default_3way_compare(v, w);
bbac2a6a5d16 Patch #424475: Speed-up tp_compare usage, by special-casing the common Martin v. Löwis <martin@v.loewis.de> parents: 17781 diff changeset	868 if (c <= -2)
bbac2a6a5d16 Patch #424475: Speed-up tp_compare usage, by special-casing the common Martin v. Löwis <martin@v.loewis.de> parents: 17781 diff changeset	869 return NULL;
bbac2a6a5d16 Patch #424475: Speed-up tp_compare usage, by special-casing the common Martin v. Löwis <martin@v.loewis.de> parents: 17781 diff changeset	870 return convert_3way_to_object(op, c);
bbac2a6a5d16 Patch #424475: Speed-up tp_compare usage, by special-casing the common Martin v. Löwis <martin@v.loewis.de> parents: 17781 diff changeset	871 }
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	872
20863 d6ff1daae398 No code change -- just trying to document the return conditions for all Tim Peters <tim.peters@gmail.com> parents: 20612 diff changeset	873 /* Do rich comparison on v and w. Return
d6ff1daae398 No code change -- just trying to document the return conditions for all Tim Peters <tim.peters@gmail.com> parents: 20612 diff changeset	874 NULL if error
d6ff1daae398 No code change -- just trying to document the return conditions for all Tim Peters <tim.peters@gmail.com> parents: 20612 diff changeset	875 Else a new reference to an object other than Py_NotImplemented, usually(?):
d6ff1daae398 No code change -- just trying to document the return conditions for all Tim Peters <tim.peters@gmail.com> parents: 20612 diff changeset	876 Py_True if v op w
d6ff1daae398 No code change -- just trying to document the return conditions for all Tim Peters <tim.peters@gmail.com> parents: 20612 diff changeset	877 Py_False if not (v op w)
d6ff1daae398 No code change -- just trying to document the return conditions for all Tim Peters <tim.peters@gmail.com> parents: 20612 diff changeset	878 */
16079 c4355905b044 Remove a smelly export. Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 16062 diff changeset	879 static PyObject *
15941 5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	880 do_richcmp(PyObject v, PyObject w, int op)
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	881 {
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	882 PyObject *res;
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	883
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	884 res = try_rich_compare(v, w, op);
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	885 if (res != Py_NotImplemented)
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	886 return res;
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	887 Py_DECREF(res);
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	888
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	889 return try_3way_to_rich_compare(v, w, op);
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	890 }
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	891
20863 d6ff1daae398 No code change -- just trying to document the return conditions for all Tim Peters <tim.peters@gmail.com> parents: 20612 diff changeset	892 /* Return:
d6ff1daae398 No code change -- just trying to document the return conditions for all Tim Peters <tim.peters@gmail.com> parents: 20612 diff changeset	893 NULL for exception;
d6ff1daae398 No code change -- just trying to document the return conditions for all Tim Peters <tim.peters@gmail.com> parents: 20612 diff changeset	894 some object not equal to NotImplemented if it is implemented
d6ff1daae398 No code change -- just trying to document the return conditions for all Tim Peters <tim.peters@gmail.com> parents: 20612 diff changeset	895 (this latter object may not be a Boolean).
d6ff1daae398 No code change -- just trying to document the return conditions for all Tim Peters <tim.peters@gmail.com> parents: 20612 diff changeset	896 */
15941 5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	897 PyObject *
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	898 PyObject_RichCompare(PyObject v, PyObject w, int op)
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	899 {
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	900 PyObject *res;
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	901
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	902 assert(Py_LT <= op && op <= Py_GE);
30801 c42c40034536 Deleting cyclic object comparison. Armin Rigo <arigo@tunes.org> parents: 30159 diff changeset	903 if (Py_EnterRecursiveCall(" in cmp"))
c42c40034536 Deleting cyclic object comparison. Armin Rigo <arigo@tunes.org> parents: 30159 diff changeset	904 return NULL;
15941 5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	905
30801 c42c40034536 Deleting cyclic object comparison. Armin Rigo <arigo@tunes.org> parents: 30159 diff changeset	906 /* If the types are equal, and not old-style instances, try to
20865 f54828eb8e07 Rehabilitated the fast-path richcmp code, and sped it up. It wasn't Tim Peters <tim.peters@gmail.com> parents: 20863 diff changeset	907 get out cheap (don't bother with coercions etc.). */
f54828eb8e07 Rehabilitated the fast-path richcmp code, and sped it up. It wasn't Tim Peters <tim.peters@gmail.com> parents: 20863 diff changeset	908 if (v->ob_type == w->ob_type && !PyInstance_Check(v)) {
f54828eb8e07 Rehabilitated the fast-path richcmp code, and sped it up. It wasn't Tim Peters <tim.peters@gmail.com> parents: 20863 diff changeset	909 cmpfunc fcmp;
f54828eb8e07 Rehabilitated the fast-path richcmp code, and sped it up. It wasn't Tim Peters <tim.peters@gmail.com> parents: 20863 diff changeset	910 richcmpfunc frich = RICHCOMPARE(v->ob_type);
f54828eb8e07 Rehabilitated the fast-path richcmp code, and sped it up. It wasn't Tim Peters <tim.peters@gmail.com> parents: 20863 diff changeset	911 /* If the type has richcmp, try it first. try_rich_compare
f54828eb8e07 Rehabilitated the fast-path richcmp code, and sped it up. It wasn't Tim Peters <tim.peters@gmail.com> parents: 20863 diff changeset	912 tries it two-sided, which is not needed since we've a
f54828eb8e07 Rehabilitated the fast-path richcmp code, and sped it up. It wasn't Tim Peters <tim.peters@gmail.com> parents: 20863 diff changeset	913 single type only. */
f54828eb8e07 Rehabilitated the fast-path richcmp code, and sped it up. It wasn't Tim Peters <tim.peters@gmail.com> parents: 20863 diff changeset	914 if (frich != NULL) {
f54828eb8e07 Rehabilitated the fast-path richcmp code, and sped it up. It wasn't Tim Peters <tim.peters@gmail.com> parents: 20863 diff changeset	915 res = (*frich)(v, w, op);
f54828eb8e07 Rehabilitated the fast-path richcmp code, and sped it up. It wasn't Tim Peters <tim.peters@gmail.com> parents: 20863 diff changeset	916 if (res != Py_NotImplemented)
f54828eb8e07 Rehabilitated the fast-path richcmp code, and sped it up. It wasn't Tim Peters <tim.peters@gmail.com> parents: 20863 diff changeset	917 goto Done;
f54828eb8e07 Rehabilitated the fast-path richcmp code, and sped it up. It wasn't Tim Peters <tim.peters@gmail.com> parents: 20863 diff changeset	918 Py_DECREF(res);
f54828eb8e07 Rehabilitated the fast-path richcmp code, and sped it up. It wasn't Tim Peters <tim.peters@gmail.com> parents: 20863 diff changeset	919 }
f54828eb8e07 Rehabilitated the fast-path richcmp code, and sped it up. It wasn't Tim Peters <tim.peters@gmail.com> parents: 20863 diff changeset	920 /* No richcmp, or this particular richmp not implemented.
f54828eb8e07 Rehabilitated the fast-path richcmp code, and sped it up. It wasn't Tim Peters <tim.peters@gmail.com> parents: 20863 diff changeset	921 Try 3-way cmp. */
f54828eb8e07 Rehabilitated the fast-path richcmp code, and sped it up. It wasn't Tim Peters <tim.peters@gmail.com> parents: 20863 diff changeset	922 fcmp = v->ob_type->tp_compare;
f54828eb8e07 Rehabilitated the fast-path richcmp code, and sped it up. It wasn't Tim Peters <tim.peters@gmail.com> parents: 20863 diff changeset	923 if (fcmp != NULL) {
f54828eb8e07 Rehabilitated the fast-path richcmp code, and sped it up. It wasn't Tim Peters <tim.peters@gmail.com> parents: 20863 diff changeset	924 int c = (*fcmp)(v, w);
23598 2b1d61781d63 Implement the intention of SF patch 472523 (but coded differently). Guido van Rossum <guido@python.org> parents: 23542 diff changeset	925 c = adjust_tp_compare(c);
2b1d61781d63 Implement the intention of SF patch 472523 (but coded differently). Guido van Rossum <guido@python.org> parents: 23542 diff changeset	926 if (c == -2) {
20865 f54828eb8e07 Rehabilitated the fast-path richcmp code, and sped it up. It wasn't Tim Peters <tim.peters@gmail.com> parents: 20863 diff changeset	927 res = NULL;
f54828eb8e07 Rehabilitated the fast-path richcmp code, and sped it up. It wasn't Tim Peters <tim.peters@gmail.com> parents: 20863 diff changeset	928 goto Done;
f54828eb8e07 Rehabilitated the fast-path richcmp code, and sped it up. It wasn't Tim Peters <tim.peters@gmail.com> parents: 20863 diff changeset	929 }
f54828eb8e07 Rehabilitated the fast-path richcmp code, and sped it up. It wasn't Tim Peters <tim.peters@gmail.com> parents: 20863 diff changeset	930 res = convert_3way_to_object(op, c);
f54828eb8e07 Rehabilitated the fast-path richcmp code, and sped it up. It wasn't Tim Peters <tim.peters@gmail.com> parents: 20863 diff changeset	931 goto Done;
f54828eb8e07 Rehabilitated the fast-path richcmp code, and sped it up. It wasn't Tim Peters <tim.peters@gmail.com> parents: 20863 diff changeset	932 }
15962 f1751abf771f Deal properly (?) with comparing recursive datastructures. Guido van Rossum <guido@python.org> parents: 15952 diff changeset	933 }
20865 f54828eb8e07 Rehabilitated the fast-path richcmp code, and sped it up. It wasn't Tim Peters <tim.peters@gmail.com> parents: 20863 diff changeset	934
f54828eb8e07 Rehabilitated the fast-path richcmp code, and sped it up. It wasn't Tim Peters <tim.peters@gmail.com> parents: 20863 diff changeset	935 /* Fast path not taken, or couldn't deliver a useful result. */
f54828eb8e07 Rehabilitated the fast-path richcmp code, and sped it up. It wasn't Tim Peters <tim.peters@gmail.com> parents: 20863 diff changeset	936 res = do_richcmp(v, w, op);
f54828eb8e07 Rehabilitated the fast-path richcmp code, and sped it up. It wasn't Tim Peters <tim.peters@gmail.com> parents: 20863 diff changeset	937 Done:
30801 c42c40034536 Deleting cyclic object comparison. Armin Rigo <arigo@tunes.org> parents: 30159 diff changeset	938 Py_LeaveRecursiveCall();
15941 5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	939 return res;
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	940 }
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	941
17688 1ebb4e566257 Make 'x in y' and 'x not in y' (PySequence_Contains) play nice w/ iterators. Tim Peters <tim.peters@gmail.com> parents: 17673 diff changeset	942 /* Return -1 if error; 1 if v op w; 0 if not (v op w). */
15941 5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	943 int
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	944 PyObject_RichCompareBool(PyObject v, PyObject w, int op)
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	945 {
31736 6fcbf6ac699a Add identity shortcut to PyObject_RichCompareBool. Raymond Hettinger <python@rcn.com> parents: 31433 diff changeset	946 PyObject *res;
15941 5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	947 int ok;
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	948
31736 6fcbf6ac699a Add identity shortcut to PyObject_RichCompareBool. Raymond Hettinger <python@rcn.com> parents: 31433 diff changeset	949 /* Quick result when objects are the same.
6fcbf6ac699a Add identity shortcut to PyObject_RichCompareBool. Raymond Hettinger <python@rcn.com> parents: 31433 diff changeset	950 Guarantees that identity implies equality. */
6fcbf6ac699a Add identity shortcut to PyObject_RichCompareBool. Raymond Hettinger <python@rcn.com> parents: 31433 diff changeset	951 if (v == w) {
6fcbf6ac699a Add identity shortcut to PyObject_RichCompareBool. Raymond Hettinger <python@rcn.com> parents: 31433 diff changeset	952 if (op == Py_EQ)
6fcbf6ac699a Add identity shortcut to PyObject_RichCompareBool. Raymond Hettinger <python@rcn.com> parents: 31433 diff changeset	953 return 1;
6fcbf6ac699a Add identity shortcut to PyObject_RichCompareBool. Raymond Hettinger <python@rcn.com> parents: 31433 diff changeset	954 else if (op == Py_NE)
6fcbf6ac699a Add identity shortcut to PyObject_RichCompareBool. Raymond Hettinger <python@rcn.com> parents: 31433 diff changeset	955 return 0;
6fcbf6ac699a Add identity shortcut to PyObject_RichCompareBool. Raymond Hettinger <python@rcn.com> parents: 31433 diff changeset	956 }
6fcbf6ac699a Add identity shortcut to PyObject_RichCompareBool. Raymond Hettinger <python@rcn.com> parents: 31433 diff changeset	957
6fcbf6ac699a Add identity shortcut to PyObject_RichCompareBool. Raymond Hettinger <python@rcn.com> parents: 31433 diff changeset	958 res = PyObject_RichCompare(v, w, op);
15941 5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	959 if (res == NULL)
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	960 return -1;
25013 68627e0acd15 Speedup for PyObject_RichCompareBool(): PyObject_RichCompare() almost Guido van Rossum <guido@python.org> parents: 24897 diff changeset	961 if (PyBool_Check(res))
68627e0acd15 Speedup for PyObject_RichCompareBool(): PyObject_RichCompare() almost Guido van Rossum <guido@python.org> parents: 24897 diff changeset	962 ok = (res == Py_True);
68627e0acd15 Speedup for PyObject_RichCompareBool(): PyObject_RichCompare() almost Guido van Rossum <guido@python.org> parents: 24897 diff changeset	963 else
68627e0acd15 Speedup for PyObject_RichCompareBool(): PyObject_RichCompare() almost Guido van Rossum <guido@python.org> parents: 24897 diff changeset	964 ok = PyObject_IsTrue(res);
15941 5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	965 Py_DECREF(res);
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	966 return ok;
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	967 }
13141 cca84745da3e This patch addresses two main issues: (1) There exist some non-fatal Fred Drake <fdrake@acm.org> parents: 13089 diff changeset	968
cca84745da3e This patch addresses two main issues: (1) There exist some non-fatal Fred Drake <fdrake@acm.org> parents: 13089 diff changeset	969 /* Set of hash utility functions to help maintaining the invariant that
31738 dba8db412e35 Fix typo in comment. Raymond Hettinger <python@rcn.com> parents: 31736 diff changeset	970 if a==b then hash(a)==hash(b)
13141 cca84745da3e This patch addresses two main issues: (1) There exist some non-fatal Fred Drake <fdrake@acm.org> parents: 13089 diff changeset	971
cca84745da3e This patch addresses two main issues: (1) There exist some non-fatal Fred Drake <fdrake@acm.org> parents: 13089 diff changeset	972 All the utility functions (_Py_Hash*()) return "-1" to signify an error.
cca84745da3e This patch addresses two main issues: (1) There exist some non-fatal Fred Drake <fdrake@acm.org> parents: 13089 diff changeset	973 */
cca84745da3e This patch addresses two main issues: (1) There exist some non-fatal Fred Drake <fdrake@acm.org> parents: 13089 diff changeset	974
cca84745da3e This patch addresses two main issues: (1) There exist some non-fatal Fred Drake <fdrake@acm.org> parents: 13089 diff changeset	975 long
13473 31b1f691a7d9 ANSI-fication of the sources. Fred Drake <fdrake@acm.org> parents: 13447 diff changeset	976 _Py_HashDouble(double v)
13141 cca84745da3e This patch addresses two main issues: (1) There exist some non-fatal Fred Drake <fdrake@acm.org> parents: 13089 diff changeset	977 {
13976 5ada9fa54801 Fix for http://sourceforge.net/bugs/?func=detailbug&bug_id=111866&group_id=5470. Tim Peters <tim.peters@gmail.com> parents: 13915 diff changeset	978 double intpart, fractpart;
5ada9fa54801 Fix for http://sourceforge.net/bugs/?func=detailbug&bug_id=111866&group_id=5470. Tim Peters <tim.peters@gmail.com> parents: 13915 diff changeset	979 int expo;
5ada9fa54801 Fix for http://sourceforge.net/bugs/?func=detailbug&bug_id=111866&group_id=5470. Tim Peters <tim.peters@gmail.com> parents: 13915 diff changeset	980 long hipart;
5ada9fa54801 Fix for http://sourceforge.net/bugs/?func=detailbug&bug_id=111866&group_id=5470. Tim Peters <tim.peters@gmail.com> parents: 13915 diff changeset	981 long x; /* the final hash value */
5ada9fa54801 Fix for http://sourceforge.net/bugs/?func=detailbug&bug_id=111866&group_id=5470. Tim Peters <tim.peters@gmail.com> parents: 13915 diff changeset	982 /* This is designed so that Python numbers of different types
5ada9fa54801 Fix for http://sourceforge.net/bugs/?func=detailbug&bug_id=111866&group_id=5470. Tim Peters <tim.peters@gmail.com> parents: 13915 diff changeset	983 * that compare equal hash to the same value; otherwise comparisons
5ada9fa54801 Fix for http://sourceforge.net/bugs/?func=detailbug&bug_id=111866&group_id=5470. Tim Peters <tim.peters@gmail.com> parents: 13915 diff changeset	984 * of mapping keys will turn out weird.
5ada9fa54801 Fix for http://sourceforge.net/bugs/?func=detailbug&bug_id=111866&group_id=5470. Tim Peters <tim.peters@gmail.com> parents: 13915 diff changeset	985 */
5ada9fa54801 Fix for http://sourceforge.net/bugs/?func=detailbug&bug_id=111866&group_id=5470. Tim Peters <tim.peters@gmail.com> parents: 13915 diff changeset	986
5ada9fa54801 Fix for http://sourceforge.net/bugs/?func=detailbug&bug_id=111866&group_id=5470. Tim Peters <tim.peters@gmail.com> parents: 13915 diff changeset	987 fractpart = modf(v, &intpart);
5ada9fa54801 Fix for http://sourceforge.net/bugs/?func=detailbug&bug_id=111866&group_id=5470. Tim Peters <tim.peters@gmail.com> parents: 13915 diff changeset	988 if (fractpart == 0.0) {
5ada9fa54801 Fix for http://sourceforge.net/bugs/?func=detailbug&bug_id=111866&group_id=5470. Tim Peters <tim.peters@gmail.com> parents: 13915 diff changeset	989 /* This must return the same hash as an equal int or long. */
5ada9fa54801 Fix for http://sourceforge.net/bugs/?func=detailbug&bug_id=111866&group_id=5470. Tim Peters <tim.peters@gmail.com> parents: 13915 diff changeset	990 if (intpart > LONG_MAX \|\| -intpart > LONG_MAX) {
5ada9fa54801 Fix for http://sourceforge.net/bugs/?func=detailbug&bug_id=111866&group_id=5470. Tim Peters <tim.peters@gmail.com> parents: 13915 diff changeset	991 /* Convert to long and use its hash. */
5ada9fa54801 Fix for http://sourceforge.net/bugs/?func=detailbug&bug_id=111866&group_id=5470. Tim Peters <tim.peters@gmail.com> parents: 13915 diff changeset	992 PyObject plong; / converted to Python long */
5ada9fa54801 Fix for http://sourceforge.net/bugs/?func=detailbug&bug_id=111866&group_id=5470. Tim Peters <tim.peters@gmail.com> parents: 13915 diff changeset	993 if (Py_IS_INFINITY(intpart))
5ada9fa54801 Fix for http://sourceforge.net/bugs/?func=detailbug&bug_id=111866&group_id=5470. Tim Peters <tim.peters@gmail.com> parents: 13915 diff changeset	994 /* can't convert to long int -- arbitrary */
5ada9fa54801 Fix for http://sourceforge.net/bugs/?func=detailbug&bug_id=111866&group_id=5470. Tim Peters <tim.peters@gmail.com> parents: 13915 diff changeset	995 v = v < 0 ? -271828.0 : 314159.0;
5ada9fa54801 Fix for http://sourceforge.net/bugs/?func=detailbug&bug_id=111866&group_id=5470. Tim Peters <tim.peters@gmail.com> parents: 13915 diff changeset	996 plong = PyLong_FromDouble(v);
5ada9fa54801 Fix for http://sourceforge.net/bugs/?func=detailbug&bug_id=111866&group_id=5470. Tim Peters <tim.peters@gmail.com> parents: 13915 diff changeset	997 if (plong == NULL)
5ada9fa54801 Fix for http://sourceforge.net/bugs/?func=detailbug&bug_id=111866&group_id=5470. Tim Peters <tim.peters@gmail.com> parents: 13915 diff changeset	998 return -1;
5ada9fa54801 Fix for http://sourceforge.net/bugs/?func=detailbug&bug_id=111866&group_id=5470. Tim Peters <tim.peters@gmail.com> parents: 13915 diff changeset	999 x = PyObject_Hash(plong);
5ada9fa54801 Fix for http://sourceforge.net/bugs/?func=detailbug&bug_id=111866&group_id=5470. Tim Peters <tim.peters@gmail.com> parents: 13915 diff changeset	1000 Py_DECREF(plong);
5ada9fa54801 Fix for http://sourceforge.net/bugs/?func=detailbug&bug_id=111866&group_id=5470. Tim Peters <tim.peters@gmail.com> parents: 13915 diff changeset	1001 return x;
5ada9fa54801 Fix for http://sourceforge.net/bugs/?func=detailbug&bug_id=111866&group_id=5470. Tim Peters <tim.peters@gmail.com> parents: 13915 diff changeset	1002 }
5ada9fa54801 Fix for http://sourceforge.net/bugs/?func=detailbug&bug_id=111866&group_id=5470. Tim Peters <tim.peters@gmail.com> parents: 13915 diff changeset	1003 /* Fits in a C long == a Python int, so is its own hash. */
5ada9fa54801 Fix for http://sourceforge.net/bugs/?func=detailbug&bug_id=111866&group_id=5470. Tim Peters <tim.peters@gmail.com> parents: 13915 diff changeset	1004 x = (long)intpart;
5ada9fa54801 Fix for http://sourceforge.net/bugs/?func=detailbug&bug_id=111866&group_id=5470. Tim Peters <tim.peters@gmail.com> parents: 13915 diff changeset	1005 if (x == -1)
5ada9fa54801 Fix for http://sourceforge.net/bugs/?func=detailbug&bug_id=111866&group_id=5470. Tim Peters <tim.peters@gmail.com> parents: 13915 diff changeset	1006 x = -2;
5ada9fa54801 Fix for http://sourceforge.net/bugs/?func=detailbug&bug_id=111866&group_id=5470. Tim Peters <tim.peters@gmail.com> parents: 13915 diff changeset	1007 return x;
5ada9fa54801 Fix for http://sourceforge.net/bugs/?func=detailbug&bug_id=111866&group_id=5470. Tim Peters <tim.peters@gmail.com> parents: 13915 diff changeset	1008 }
5ada9fa54801 Fix for http://sourceforge.net/bugs/?func=detailbug&bug_id=111866&group_id=5470. Tim Peters <tim.peters@gmail.com> parents: 13915 diff changeset	1009 /* The fractional part is non-zero, so we don't have to worry about
5ada9fa54801 Fix for http://sourceforge.net/bugs/?func=detailbug&bug_id=111866&group_id=5470. Tim Peters <tim.peters@gmail.com> parents: 13915 diff changeset	1010 * making this match the hash of some other type.
5ada9fa54801 Fix for http://sourceforge.net/bugs/?func=detailbug&bug_id=111866&group_id=5470. Tim Peters <tim.peters@gmail.com> parents: 13915 diff changeset	1011 * Use frexp to get at the bits in the double.
13141 cca84745da3e This patch addresses two main issues: (1) There exist some non-fatal Fred Drake <fdrake@acm.org> parents: 13089 diff changeset	1012 * Since the VAX D double format has 56 mantissa bits, which is the
cca84745da3e This patch addresses two main issues: (1) There exist some non-fatal Fred Drake <fdrake@acm.org> parents: 13089 diff changeset	1013 * most of any double format in use, each of these parts may have as
cca84745da3e This patch addresses two main issues: (1) There exist some non-fatal Fred Drake <fdrake@acm.org> parents: 13089 diff changeset	1014 * many as (but no more than) 56 significant bits.
13976 5ada9fa54801 Fix for http://sourceforge.net/bugs/?func=detailbug&bug_id=111866&group_id=5470. Tim Peters <tim.peters@gmail.com> parents: 13915 diff changeset	1015 * So, assuming sizeof(long) >= 4, each part can be broken into two
5ada9fa54801 Fix for http://sourceforge.net/bugs/?func=detailbug&bug_id=111866&group_id=5470. Tim Peters <tim.peters@gmail.com> parents: 13915 diff changeset	1016 * longs; frexp and multiplication are used to do that.
5ada9fa54801 Fix for http://sourceforge.net/bugs/?func=detailbug&bug_id=111866&group_id=5470. Tim Peters <tim.peters@gmail.com> parents: 13915 diff changeset	1017 * Also, since the Cray double format has 15 exponent bits, which is
5ada9fa54801 Fix for http://sourceforge.net/bugs/?func=detailbug&bug_id=111866&group_id=5470. Tim Peters <tim.peters@gmail.com> parents: 13915 diff changeset	1018 * the most of any double format in use, shifting the exponent field
5ada9fa54801 Fix for http://sourceforge.net/bugs/?func=detailbug&bug_id=111866&group_id=5470. Tim Peters <tim.peters@gmail.com> parents: 13915 diff changeset	1019 * left by 15 won't overflow a long (again assuming sizeof(long) >= 4).
13141 cca84745da3e This patch addresses two main issues: (1) There exist some non-fatal Fred Drake <fdrake@acm.org> parents: 13089 diff changeset	1020 */
13976 5ada9fa54801 Fix for http://sourceforge.net/bugs/?func=detailbug&bug_id=111866&group_id=5470. Tim Peters <tim.peters@gmail.com> parents: 13915 diff changeset	1021 v = frexp(v, &expo);
5ada9fa54801 Fix for http://sourceforge.net/bugs/?func=detailbug&bug_id=111866&group_id=5470. Tim Peters <tim.peters@gmail.com> parents: 13915 diff changeset	1022 v = 2147483648.0; / 2*31 /
5ada9fa54801 Fix for http://sourceforge.net/bugs/?func=detailbug&bug_id=111866&group_id=5470. Tim Peters <tim.peters@gmail.com> parents: 13915 diff changeset	1023 hipart = (long)v; /* take the top 32 bits */
5ada9fa54801 Fix for http://sourceforge.net/bugs/?func=detailbug&bug_id=111866&group_id=5470. Tim Peters <tim.peters@gmail.com> parents: 13915 diff changeset	1024 v = (v - (double)hipart) * 2147483648.0; /* get the next 32 bits */
5ada9fa54801 Fix for http://sourceforge.net/bugs/?func=detailbug&bug_id=111866&group_id=5470. Tim Peters <tim.peters@gmail.com> parents: 13915 diff changeset	1025 x = hipart + (long)v + (expo << 15);
5ada9fa54801 Fix for http://sourceforge.net/bugs/?func=detailbug&bug_id=111866&group_id=5470. Tim Peters <tim.peters@gmail.com> parents: 13915 diff changeset	1026 if (x == -1)
5ada9fa54801 Fix for http://sourceforge.net/bugs/?func=detailbug&bug_id=111866&group_id=5470. Tim Peters <tim.peters@gmail.com> parents: 13915 diff changeset	1027 x = -2;
5ada9fa54801 Fix for http://sourceforge.net/bugs/?func=detailbug&bug_id=111866&group_id=5470. Tim Peters <tim.peters@gmail.com> parents: 13915 diff changeset	1028 return x;
13141 cca84745da3e This patch addresses two main issues: (1) There exist some non-fatal Fred Drake <fdrake@acm.org> parents: 13089 diff changeset	1029 }
cca84745da3e This patch addresses two main issues: (1) There exist some non-fatal Fred Drake <fdrake@acm.org> parents: 13089 diff changeset	1030
cca84745da3e This patch addresses two main issues: (1) There exist some non-fatal Fred Drake <fdrake@acm.org> parents: 13089 diff changeset	1031 long
13473 31b1f691a7d9 ANSI-fication of the sources. Fred Drake <fdrake@acm.org> parents: 13447 diff changeset	1032 _Py_HashPointer(void *p)
13141 cca84745da3e This patch addresses two main issues: (1) There exist some non-fatal Fred Drake <fdrake@acm.org> parents: 13089 diff changeset	1033 {
cca84745da3e This patch addresses two main issues: (1) There exist some non-fatal Fred Drake <fdrake@acm.org> parents: 13089 diff changeset	1034 #if SIZEOF_LONG >= SIZEOF_VOID_P
cca84745da3e This patch addresses two main issues: (1) There exist some non-fatal Fred Drake <fdrake@acm.org> parents: 13089 diff changeset	1035 return (long)p;
cca84745da3e This patch addresses two main issues: (1) There exist some non-fatal Fred Drake <fdrake@acm.org> parents: 13089 diff changeset	1036 #else
cca84745da3e This patch addresses two main issues: (1) There exist some non-fatal Fred Drake <fdrake@acm.org> parents: 13089 diff changeset	1037 /* convert to a Python long and hash that */
cca84745da3e This patch addresses two main issues: (1) There exist some non-fatal Fred Drake <fdrake@acm.org> parents: 13089 diff changeset	1038 PyObject* longobj;
cca84745da3e This patch addresses two main issues: (1) There exist some non-fatal Fred Drake <fdrake@acm.org> parents: 13089 diff changeset	1039 long x;
24122 d332484e394a Trashcan cleanup: Now that cyclic gc is always there, the trashcan Tim Peters <tim.peters@gmail.com> parents: 24121 diff changeset	1040
13141 cca84745da3e This patch addresses two main issues: (1) There exist some non-fatal Fred Drake <fdrake@acm.org> parents: 13089 diff changeset	1041 if ((longobj = PyLong_FromVoidPtr(p)) == NULL) {
cca84745da3e This patch addresses two main issues: (1) There exist some non-fatal Fred Drake <fdrake@acm.org> parents: 13089 diff changeset	1042 x = -1;
cca84745da3e This patch addresses two main issues: (1) There exist some non-fatal Fred Drake <fdrake@acm.org> parents: 13089 diff changeset	1043 goto finally;
cca84745da3e This patch addresses two main issues: (1) There exist some non-fatal Fred Drake <fdrake@acm.org> parents: 13089 diff changeset	1044 }
cca84745da3e This patch addresses two main issues: (1) There exist some non-fatal Fred Drake <fdrake@acm.org> parents: 13089 diff changeset	1045 x = PyObject_Hash(longobj);
24122 d332484e394a Trashcan cleanup: Now that cyclic gc is always there, the trashcan Tim Peters <tim.peters@gmail.com> parents: 24121 diff changeset	1046
13141 cca84745da3e This patch addresses two main issues: (1) There exist some non-fatal Fred Drake <fdrake@acm.org> parents: 13089 diff changeset	1047 finally:
cca84745da3e This patch addresses two main issues: (1) There exist some non-fatal Fred Drake <fdrake@acm.org> parents: 13089 diff changeset	1048 Py_XDECREF(longobj);
cca84745da3e This patch addresses two main issues: (1) There exist some non-fatal Fred Drake <fdrake@acm.org> parents: 13089 diff changeset	1049 return x;
cca84745da3e This patch addresses two main issues: (1) There exist some non-fatal Fred Drake <fdrake@acm.org> parents: 13089 diff changeset	1050 #endif
cca84745da3e This patch addresses two main issues: (1) There exist some non-fatal Fred Drake <fdrake@acm.org> parents: 13089 diff changeset	1051 }
cca84745da3e This patch addresses two main issues: (1) There exist some non-fatal Fred Drake <fdrake@acm.org> parents: 13089 diff changeset	1052
cca84745da3e This patch addresses two main issues: (1) There exist some non-fatal Fred Drake <fdrake@acm.org> parents: 13089 diff changeset	1053
1257 1cabc2b6c970 * Changed all copyright messages to include 1993. Guido van Rossum <guido@python.org> parents: 1051 diff changeset	1054 long
13473 31b1f691a7d9 ANSI-fication of the sources. Fred Drake <fdrake@acm.org> parents: 13447 diff changeset	1055 PyObject_Hash(PyObject *v)
1257 1cabc2b6c970 * Changed all copyright messages to include 1993. Guido van Rossum <guido@python.org> parents: 1051 diff changeset	1056 {
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5006 diff changeset	1057 PyTypeObject *tp = v->ob_type;
1257 1cabc2b6c970 * Changed all copyright messages to include 1993. Guido van Rossum <guido@python.org> parents: 1051 diff changeset	1058 if (tp->tp_hash != NULL)
1cabc2b6c970 * Changed all copyright messages to include 1993. Guido van Rossum <guido@python.org> parents: 1051 diff changeset	1059 return (*tp->tp_hash)(v);
16236 e5d59a9dbfc0 Check the Py_TPFLAGS_HAVE_RICHCOMPARE flag before using the Guido van Rossum <guido@python.org> parents: 16197 diff changeset	1060 if (tp->tp_compare == NULL && RICHCOMPARE(tp) == NULL) {
13141 cca84745da3e This patch addresses two main issues: (1) There exist some non-fatal Fred Drake <fdrake@acm.org> parents: 13089 diff changeset	1061 return _Py_HashPointer(v); /* Use address as hash value */
cca84745da3e This patch addresses two main issues: (1) There exist some non-fatal Fred Drake <fdrake@acm.org> parents: 13089 diff changeset	1062 }
1257 1cabc2b6c970 * Changed all copyright messages to include 1993. Guido van Rossum <guido@python.org> parents: 1051 diff changeset	1063 /* If there's a cmp but no hash defined, the object can't be hashed */
38871 a3c61c648fc8 Patch #1507676: improve exception messages in abstract.c, object.c and typeobject.c. Georg Brandl <georg@python.org> parents: 38485 diff changeset	1064 PyErr_Format(PyExc_TypeError, "unhashable type: '%.200s'",
a3c61c648fc8 Patch #1507676: improve exception messages in abstract.c, object.c and typeobject.c. Georg Brandl <georg@python.org> parents: 38485 diff changeset	1065 v->ob_type->tp_name);
1257 1cabc2b6c970 * Changed all copyright messages to include 1993. Guido van Rossum <guido@python.org> parents: 1051 diff changeset	1066 return -1;
1cabc2b6c970 * Changed all copyright messages to include 1993. Guido van Rossum <guido@python.org> parents: 1051 diff changeset	1067 }
1cabc2b6c970 * Changed all copyright messages to include 1993. Guido van Rossum <guido@python.org> parents: 1051 diff changeset	1068
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5006 diff changeset	1069 PyObject *
35999 9541369b0dca Add const to several API functions that take char . Jeremy Hylton <jeremy@alum.mit.edu>* parents: 35331 diff changeset	1070 PyObject_GetAttrString(PyObject v, const char name)
86 a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: 58 diff changeset	1071 {
18933 09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1072 PyObject w, res;
3986 9c2cbf306864 Support for tp_getattro, tp_setattro (Sjoerd) Guido van Rossum <guido@python.org> parents: 3770 diff changeset	1073
44350 26384b8180c7 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT. Macros for b/w compatibility are available. Christian Heimes <christian@cheimes.de> parents: 43958 diff changeset	1074 if (Py_TYPE(v)->tp_getattr != NULL)
26384b8180c7 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT. Macros for b/w compatibility are available. Christian Heimes <christian@cheimes.de> parents: 43958 diff changeset	1075 return (Py_TYPE(v)->tp_getattr)(v, (char)name);
18933 09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1076 w = PyString_InternFromString(name);
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1077 if (w == NULL)
86 a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: 58 diff changeset	1078 return NULL;
18933 09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1079 res = PyObject_GetAttr(v, w);
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1080 Py_XDECREF(w);
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1081 return res;
86 a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: 58 diff changeset	1082 }
a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: 58 diff changeset	1083
a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: 58 diff changeset	1084 int
35999 9541369b0dca Add const to several API functions that take char . Jeremy Hylton <jeremy@alum.mit.edu>* parents: 35331 diff changeset	1085 PyObject_HasAttrString(PyObject v, const char name)
1324 716be765a79b * accessobject.c (ownercheck): allow a base class access to protected Guido van Rossum <guido@python.org> parents: 1282 diff changeset	1086 {
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5006 diff changeset	1087 PyObject *res = PyObject_GetAttrString(v, name);
1324 716be765a79b * accessobject.c (ownercheck): allow a base class access to protected Guido van Rossum <guido@python.org> parents: 1282 diff changeset	1088 if (res != NULL) {
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5006 diff changeset	1089 Py_DECREF(res);
1324 716be765a79b * accessobject.c (ownercheck): allow a base class access to protected Guido van Rossum <guido@python.org> parents: 1282 diff changeset	1090 return 1;
716be765a79b * accessobject.c (ownercheck): allow a base class access to protected Guido van Rossum <guido@python.org> parents: 1282 diff changeset	1091 }
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5006 diff changeset	1092 PyErr_Clear();
1324 716be765a79b * accessobject.c (ownercheck): allow a base class access to protected Guido van Rossum <guido@python.org> parents: 1282 diff changeset	1093 return 0;
716be765a79b * accessobject.c (ownercheck): allow a base class access to protected Guido van Rossum <guido@python.org> parents: 1282 diff changeset	1094 }
716be765a79b * accessobject.c (ownercheck): allow a base class access to protected Guido van Rossum <guido@python.org> parents: 1282 diff changeset	1095
716be765a79b * accessobject.c (ownercheck): allow a base class access to protected Guido van Rossum <guido@python.org> parents: 1282 diff changeset	1096 int
35999 9541369b0dca Add const to several API functions that take char . Jeremy Hylton <jeremy@alum.mit.edu>* parents: 35331 diff changeset	1097 PyObject_SetAttrString(PyObject v, const char name, PyObject *w)
86 a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: 58 diff changeset	1098 {
18933 09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1099 PyObject *s;
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1100 int res;
3986 9c2cbf306864 Support for tp_getattro, tp_setattro (Sjoerd) Guido van Rossum <guido@python.org> parents: 3770 diff changeset	1101
44350 26384b8180c7 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT. Macros for b/w compatibility are available. Christian Heimes <christian@cheimes.de> parents: 43958 diff changeset	1102 if (Py_TYPE(v)->tp_setattr != NULL)
26384b8180c7 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT. Macros for b/w compatibility are available. Christian Heimes <christian@cheimes.de> parents: 43958 diff changeset	1103 return (Py_TYPE(v)->tp_setattr)(v, (char)name, w);
18933 09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1104 s = PyString_InternFromString(name);
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1105 if (s == NULL)
95 a5bf7d5959ce Return -1 for errors. Guido van Rossum <guido@python.org> parents: 86 diff changeset	1106 return -1;
18933 09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1107 res = PyObject_SetAttr(v, s, w);
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1108 Py_XDECREF(s);
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1109 return res;
86 a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: 58 diff changeset	1110 }
a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: 58 diff changeset	1111
5560 8ec298b255a2 Moved PyObject_{Get,Set}Attr here (from dictobject) and add PyObject_HasAttr. Guido van Rossum <guido@python.org> parents: 5535 diff changeset	1112 PyObject *
13473 31b1f691a7d9 ANSI-fication of the sources. Fred Drake <fdrake@acm.org> parents: 13447 diff changeset	1113 PyObject_GetAttr(PyObject v, PyObject name)
5560 8ec298b255a2 Moved PyObject_{Get,Set}Attr here (from dictobject) and add PyObject_HasAttr. Guido van Rossum <guido@python.org> parents: 5535 diff changeset	1114 {
44350 26384b8180c7 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT. Macros for b/w compatibility are available. Christian Heimes <christian@cheimes.de> parents: 43958 diff changeset	1115 PyTypeObject *tp = Py_TYPE(v);
18933 09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1116
22302 a0cc52735e6e Patch #517521: Consider byte strings before Unicode strings Martin v. Löwis <martin@v.loewis.de> parents: 22112 diff changeset	1117 if (!PyString_Check(name)) {
19343 7257e87e0720 Patch #445762: Support --disable-unicode Martin v. Löwis <martin@v.loewis.de> parents: 19294 diff changeset	1118 #ifdef Py_USING_UNICODE
22302 a0cc52735e6e Patch #517521: Consider byte strings before Unicode strings Martin v. Löwis <martin@v.loewis.de> parents: 22112 diff changeset	1119 /* The Unicode to string conversion is done here because the
a0cc52735e6e Patch #517521: Consider byte strings before Unicode strings Martin v. Löwis <martin@v.loewis.de> parents: 22112 diff changeset	1120 existing tp_getattro slots expect a string object as name
a0cc52735e6e Patch #517521: Consider byte strings before Unicode strings Martin v. Löwis <martin@v.loewis.de> parents: 22112 diff changeset	1121 and we wouldn't want to break those. */
a0cc52735e6e Patch #517521: Consider byte strings before Unicode strings Martin v. Löwis <martin@v.loewis.de> parents: 22112 diff changeset	1122 if (PyUnicode_Check(name)) {
a0cc52735e6e Patch #517521: Consider byte strings before Unicode strings Martin v. Löwis <martin@v.loewis.de> parents: 22112 diff changeset	1123 name = _PyUnicode_AsDefaultEncodedString(name, NULL);
a0cc52735e6e Patch #517521: Consider byte strings before Unicode strings Martin v. Löwis <martin@v.loewis.de> parents: 22112 diff changeset	1124 if (name == NULL)
a0cc52735e6e Patch #517521: Consider byte strings before Unicode strings Martin v. Löwis <martin@v.loewis.de> parents: 22112 diff changeset	1125 return NULL;
a0cc52735e6e Patch #517521: Consider byte strings before Unicode strings Martin v. Löwis <martin@v.loewis.de> parents: 22112 diff changeset	1126 }
a0cc52735e6e Patch #517521: Consider byte strings before Unicode strings Martin v. Löwis <martin@v.loewis.de> parents: 22112 diff changeset	1127 else
a0cc52735e6e Patch #517521: Consider byte strings before Unicode strings Martin v. Löwis <martin@v.loewis.de> parents: 22112 diff changeset	1128 #endif
a0cc52735e6e Patch #517521: Consider byte strings before Unicode strings Martin v. Löwis <martin@v.loewis.de> parents: 22112 diff changeset	1129 {
38871 a3c61c648fc8 Patch #1507676: improve exception messages in abstract.c, object.c and typeobject.c. Georg Brandl <georg@python.org> parents: 38485 diff changeset	1130 PyErr_Format(PyExc_TypeError,
a3c61c648fc8 Patch #1507676: improve exception messages in abstract.c, object.c and typeobject.c. Georg Brandl <georg@python.org> parents: 38485 diff changeset	1131 "attribute name must be string, not '%.200s'",
44350 26384b8180c7 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT. Macros for b/w compatibility are available. Christian Heimes <christian@cheimes.de> parents: 43958 diff changeset	1132 Py_TYPE(name)->tp_name);
14660 983502b2cd43 PyObject_SetAttr() and PyObject_GetAttr() now also accept Unicode Marc-André Lemburg <mal@egenix.com> parents: 14375 diff changeset	1133 return NULL;
22302 a0cc52735e6e Patch #517521: Consider byte strings before Unicode strings Martin v. Löwis <martin@v.loewis.de> parents: 22112 diff changeset	1134 }
12991 1a40f00a48bf raise TypeError when PyObject_Get/SetAttr called with non-string name Jeremy Hylton <jeremy@alum.mit.edu> parents: 12904 diff changeset	1135 }
18933 09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1136 if (tp->tp_getattro != NULL)
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1137 return (*tp->tp_getattro)(v, name);
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1138 if (tp->tp_getattr != NULL)
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1139 return (*tp->tp_getattr)(v, PyString_AS_STRING(name));
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1140 PyErr_Format(PyExc_AttributeError,
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1141 "'%.50s' object has no attribute '%.400s'",
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1142 tp->tp_name, PyString_AS_STRING(name));
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1143 return NULL;
5560 8ec298b255a2 Moved PyObject_{Get,Set}Attr here (from dictobject) and add PyObject_HasAttr. Guido van Rossum <guido@python.org> parents: 5535 diff changeset	1144 }
8ec298b255a2 Moved PyObject_{Get,Set}Attr here (from dictobject) and add PyObject_HasAttr. Guido van Rossum <guido@python.org> parents: 5535 diff changeset	1145
8ec298b255a2 Moved PyObject_{Get,Set}Attr here (from dictobject) and add PyObject_HasAttr. Guido van Rossum <guido@python.org> parents: 5535 diff changeset	1146 int
13473 31b1f691a7d9 ANSI-fication of the sources. Fred Drake <fdrake@acm.org> parents: 13447 diff changeset	1147 PyObject_HasAttr(PyObject v, PyObject name)
5560 8ec298b255a2 Moved PyObject_{Get,Set}Attr here (from dictobject) and add PyObject_HasAttr. Guido van Rossum <guido@python.org> parents: 5535 diff changeset	1148 {
8ec298b255a2 Moved PyObject_{Get,Set}Attr here (from dictobject) and add PyObject_HasAttr. Guido van Rossum <guido@python.org> parents: 5535 diff changeset	1149 PyObject *res = PyObject_GetAttr(v, name);
8ec298b255a2 Moved PyObject_{Get,Set}Attr here (from dictobject) and add PyObject_HasAttr. Guido van Rossum <guido@python.org> parents: 5535 diff changeset	1150 if (res != NULL) {
8ec298b255a2 Moved PyObject_{Get,Set}Attr here (from dictobject) and add PyObject_HasAttr. Guido van Rossum <guido@python.org> parents: 5535 diff changeset	1151 Py_DECREF(res);
8ec298b255a2 Moved PyObject_{Get,Set}Attr here (from dictobject) and add PyObject_HasAttr. Guido van Rossum <guido@python.org> parents: 5535 diff changeset	1152 return 1;
8ec298b255a2 Moved PyObject_{Get,Set}Attr here (from dictobject) and add PyObject_HasAttr. Guido van Rossum <guido@python.org> parents: 5535 diff changeset	1153 }
8ec298b255a2 Moved PyObject_{Get,Set}Attr here (from dictobject) and add PyObject_HasAttr. Guido van Rossum <guido@python.org> parents: 5535 diff changeset	1154 PyErr_Clear();
8ec298b255a2 Moved PyObject_{Get,Set}Attr here (from dictobject) and add PyObject_HasAttr. Guido van Rossum <guido@python.org> parents: 5535 diff changeset	1155 return 0;
8ec298b255a2 Moved PyObject_{Get,Set}Attr here (from dictobject) and add PyObject_HasAttr. Guido van Rossum <guido@python.org> parents: 5535 diff changeset	1156 }
8ec298b255a2 Moved PyObject_{Get,Set}Attr here (from dictobject) and add PyObject_HasAttr. Guido van Rossum <guido@python.org> parents: 5535 diff changeset	1157
8ec298b255a2 Moved PyObject_{Get,Set}Attr here (from dictobject) and add PyObject_HasAttr. Guido van Rossum <guido@python.org> parents: 5535 diff changeset	1158 int
13473 31b1f691a7d9 ANSI-fication of the sources. Fred Drake <fdrake@acm.org> parents: 13447 diff changeset	1159 PyObject_SetAttr(PyObject v, PyObject name, PyObject *value)
5560 8ec298b255a2 Moved PyObject_{Get,Set}Attr here (from dictobject) and add PyObject_HasAttr. Guido van Rossum <guido@python.org> parents: 5535 diff changeset	1160 {
44350 26384b8180c7 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT. Macros for b/w compatibility are available. Christian Heimes <christian@cheimes.de> parents: 43958 diff changeset	1161 PyTypeObject *tp = Py_TYPE(v);
5560 8ec298b255a2 Moved PyObject_{Get,Set}Attr here (from dictobject) and add PyObject_HasAttr. Guido van Rossum <guido@python.org> parents: 5535 diff changeset	1162 int err;
14660 983502b2cd43 PyObject_SetAttr() and PyObject_GetAttr() now also accept Unicode Marc-André Lemburg <mal@egenix.com> parents: 14375 diff changeset	1163
22302 a0cc52735e6e Patch #517521: Consider byte strings before Unicode strings Martin v. Löwis <martin@v.loewis.de> parents: 22112 diff changeset	1164 if (!PyString_Check(name)){
19343 7257e87e0720 Patch #445762: Support --disable-unicode Martin v. Löwis <martin@v.loewis.de> parents: 19294 diff changeset	1165 #ifdef Py_USING_UNICODE
22302 a0cc52735e6e Patch #517521: Consider byte strings before Unicode strings Martin v. Löwis <martin@v.loewis.de> parents: 22112 diff changeset	1166 /* The Unicode to string conversion is done here because the
a0cc52735e6e Patch #517521: Consider byte strings before Unicode strings Martin v. Löwis <martin@v.loewis.de> parents: 22112 diff changeset	1167 existing tp_setattro slots expect a string object as name
a0cc52735e6e Patch #517521: Consider byte strings before Unicode strings Martin v. Löwis <martin@v.loewis.de> parents: 22112 diff changeset	1168 and we wouldn't want to break those. */
a0cc52735e6e Patch #517521: Consider byte strings before Unicode strings Martin v. Löwis <martin@v.loewis.de> parents: 22112 diff changeset	1169 if (PyUnicode_Check(name)) {
a0cc52735e6e Patch #517521: Consider byte strings before Unicode strings Martin v. Löwis <martin@v.loewis.de> parents: 22112 diff changeset	1170 name = PyUnicode_AsEncodedString(name, NULL, NULL);
a0cc52735e6e Patch #517521: Consider byte strings before Unicode strings Martin v. Löwis <martin@v.loewis.de> parents: 22112 diff changeset	1171 if (name == NULL)
a0cc52735e6e Patch #517521: Consider byte strings before Unicode strings Martin v. Löwis <martin@v.loewis.de> parents: 22112 diff changeset	1172 return -1;
a0cc52735e6e Patch #517521: Consider byte strings before Unicode strings Martin v. Löwis <martin@v.loewis.de> parents: 22112 diff changeset	1173 }
24122 d332484e394a Trashcan cleanup: Now that cyclic gc is always there, the trashcan Tim Peters <tim.peters@gmail.com> parents: 24121 diff changeset	1174 else
22302 a0cc52735e6e Patch #517521: Consider byte strings before Unicode strings Martin v. Löwis <martin@v.loewis.de> parents: 22112 diff changeset	1175 #endif
a0cc52735e6e Patch #517521: Consider byte strings before Unicode strings Martin v. Löwis <martin@v.loewis.de> parents: 22112 diff changeset	1176 {
38871 a3c61c648fc8 Patch #1507676: improve exception messages in abstract.c, object.c and typeobject.c. Georg Brandl <georg@python.org> parents: 38485 diff changeset	1177 PyErr_Format(PyExc_TypeError,
a3c61c648fc8 Patch #1507676: improve exception messages in abstract.c, object.c and typeobject.c. Georg Brandl <georg@python.org> parents: 38485 diff changeset	1178 "attribute name must be string, not '%.200s'",
44350 26384b8180c7 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT. Macros for b/w compatibility are available. Christian Heimes <christian@cheimes.de> parents: 43958 diff changeset	1179 Py_TYPE(name)->tp_name);
14660 983502b2cd43 PyObject_SetAttr() and PyObject_GetAttr() now also accept Unicode Marc-André Lemburg <mal@egenix.com> parents: 14375 diff changeset	1180 return -1;
22302 a0cc52735e6e Patch #517521: Consider byte strings before Unicode strings Martin v. Löwis <martin@v.loewis.de> parents: 22112 diff changeset	1181 }
18933 09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1182 }
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1183 else
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1184 Py_INCREF(name);
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1185
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1186 PyString_InternInPlace(&name);
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1187 if (tp->tp_setattro != NULL) {
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1188 err = (*tp->tp_setattro)(v, name, value);
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1189 Py_DECREF(name);
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1190 return err;
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1191 }
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1192 if (tp->tp_setattr != NULL) {
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1193 err = (*tp->tp_setattr)(v, PyString_AS_STRING(name), value);
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1194 Py_DECREF(name);
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1195 return err;
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1196 }
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1197 Py_DECREF(name);
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1198 if (tp->tp_getattr == NULL && tp->tp_getattro == NULL)
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1199 PyErr_Format(PyExc_TypeError,
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1200 "'%.100s' object has no attributes "
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1201 "(%s .%.100s)",
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1202 tp->tp_name,
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1203 value==NULL ? "del" : "assign to",
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1204 PyString_AS_STRING(name));
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1205 else
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1206 PyErr_Format(PyExc_TypeError,
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1207 "'%.100s' object has only read-only attributes "
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1208 "(%s .%.100s)",
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1209 tp->tp_name,
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1210 value==NULL ? "del" : "assign to",
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1211 PyString_AS_STRING(name));
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1212 return -1;
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1213 }
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1214
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1215 /* Helper to get a pointer to an object's __dict__ slot, if any */
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1216
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1217 PyObject **
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1218 _PyObject_GetDictPtr(PyObject *obj)
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1219 {
36866 9eb24f92a784 Change int to Py_ssize_t in several places. Martin v. Löwis <martin@v.loewis.de> parents: 36838 diff changeset	1220 Py_ssize_t dictoffset;
44350 26384b8180c7 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT. Macros for b/w compatibility are available. Christian Heimes <christian@cheimes.de> parents: 43958 diff changeset	1221 PyTypeObject *tp = Py_TYPE(obj);
18933 09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1222
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1223 if (!(tp->tp_flags & Py_TPFLAGS_HAVE_CLASS))
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1224 return NULL;
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1225 dictoffset = tp->tp_dictoffset;
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1226 if (dictoffset == 0)
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1227 return NULL;
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1228 if (dictoffset < 0) {
36501 7fdc639bc5b4 Merge ssize_t branch. Martin v. Löwis <martin@v.loewis.de> parents: 35999 diff changeset	1229 Py_ssize_t tsize;
22106 93eb4b61f687 SF patch 514641 (Naofumi Honda) - Negative ob_size of LongObjects Guido van Rossum <guido@python.org> parents: 21186 diff changeset	1230 size_t size;
93eb4b61f687 SF patch 514641 (Naofumi Honda) - Negative ob_size of LongObjects Guido van Rossum <guido@python.org> parents: 21186 diff changeset	1231
93eb4b61f687 SF patch 514641 (Naofumi Honda) - Negative ob_size of LongObjects Guido van Rossum <guido@python.org> parents: 21186 diff changeset	1232 tsize = ((PyVarObject *)obj)->ob_size;
93eb4b61f687 SF patch 514641 (Naofumi Honda) - Negative ob_size of LongObjects Guido van Rossum <guido@python.org> parents: 21186 diff changeset	1233 if (tsize < 0)
93eb4b61f687 SF patch 514641 (Naofumi Honda) - Negative ob_size of LongObjects Guido van Rossum <guido@python.org> parents: 21186 diff changeset	1234 tsize = -tsize;
93eb4b61f687 SF patch 514641 (Naofumi Honda) - Negative ob_size of LongObjects Guido van Rossum <guido@python.org> parents: 21186 diff changeset	1235 size = _PyObject_VAR_SIZE(tp, tsize);
93eb4b61f687 SF patch 514641 (Naofumi Honda) - Negative ob_size of LongObjects Guido van Rossum <guido@python.org> parents: 21186 diff changeset	1236
20294 426b379a138b _PyObject_VAR_SIZE: always round up to a multiple-of-pointer-size value. Tim Peters <tim.peters@gmail.com> parents: 20292 diff changeset	1237 dictoffset += (long)size;
426b379a138b _PyObject_VAR_SIZE: always round up to a multiple-of-pointer-size value. Tim Peters <tim.peters@gmail.com> parents: 20292 diff changeset	1238 assert(dictoffset > 0);
426b379a138b _PyObject_VAR_SIZE: always round up to a multiple-of-pointer-size value. Tim Peters <tim.peters@gmail.com> parents: 20292 diff changeset	1239 assert(dictoffset % SIZEOF_VOID_P == 0);
18933 09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1240 }
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1241 return (PyObject *) ((char )obj + dictoffset);
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1242 }
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1243
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1244 PyObject *
28320 fd5ef7003469 Renamed PyObject_GenericGetIter to PyObject_SelfIter Raymond Hettinger <python@rcn.com> parents: 28308 diff changeset	1245 PyObject_SelfIter(PyObject *obj)
28308 9c3572a5575f Created PyObject_GenericGetIter(). Raymond Hettinger <python@rcn.com> parents: 27966 diff changeset	1246 {
9c3572a5575f Created PyObject_GenericGetIter(). Raymond Hettinger <python@rcn.com> parents: 27966 diff changeset	1247 Py_INCREF(obj);
9c3572a5575f Created PyObject_GenericGetIter(). Raymond Hettinger <python@rcn.com> parents: 27966 diff changeset	1248 return obj;
9c3572a5575f Created PyObject_GenericGetIter(). Raymond Hettinger <python@rcn.com> parents: 27966 diff changeset	1249 }
9c3572a5575f Created PyObject_GenericGetIter(). Raymond Hettinger <python@rcn.com> parents: 27966 diff changeset	1250
33489 4cb1016525b7 Move a comment back to its rightful location. Michael W. Hudson <mwh@python.net> parents: 32981 diff changeset	1251 /* Generic GetAttr functions - put these in your tp_[gs]etattro slot */
4cb1016525b7 Move a comment back to its rightful location. Michael W. Hudson <mwh@python.net> parents: 32981 diff changeset	1252
28308 9c3572a5575f Created PyObject_GenericGetIter(). Raymond Hettinger <python@rcn.com> parents: 27966 diff changeset	1253 PyObject *
18933 09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1254 PyObject_GenericGetAttr(PyObject obj, PyObject name)
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1255 {
44350 26384b8180c7 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT. Macros for b/w compatibility are available. Christian Heimes <christian@cheimes.de> parents: 43958 diff changeset	1256 PyTypeObject *tp = Py_TYPE(obj);
24897 6310a4a21eb8 Another modest speedup in PyObject_GenericGetAttr(): inline the call Guido van Rossum <guido@python.org> parents: 24894 diff changeset	1257 PyObject *descr = NULL;
21186 0189186f4ed9 PyObject_Generic{Get,Set}Attr(): ensure that the attribute name is a Guido van Rossum <guido@python.org> parents: 20865 diff changeset	1258 PyObject *res = NULL;
18933 09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1259 descrgetfunc f;
36866 9eb24f92a784 Change int to Py_ssize_t in several places. Martin v. Löwis <martin@v.loewis.de> parents: 36838 diff changeset	1260 Py_ssize_t dictoffset;
18933 09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1261 PyObject **dictptr;
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1262
22302 a0cc52735e6e Patch #517521: Consider byte strings before Unicode strings Martin v. Löwis <martin@v.loewis.de> parents: 22112 diff changeset	1263 if (!PyString_Check(name)){
21186 0189186f4ed9 PyObject_Generic{Get,Set}Attr(): ensure that the attribute name is a Guido van Rossum <guido@python.org> parents: 20865 diff changeset	1264 #ifdef Py_USING_UNICODE
22302 a0cc52735e6e Patch #517521: Consider byte strings before Unicode strings Martin v. Löwis <martin@v.loewis.de> parents: 22112 diff changeset	1265 /* The Unicode to string conversion is done here because the
a0cc52735e6e Patch #517521: Consider byte strings before Unicode strings Martin v. Löwis <martin@v.loewis.de> parents: 22112 diff changeset	1266 existing tp_setattro slots expect a string object as name
a0cc52735e6e Patch #517521: Consider byte strings before Unicode strings Martin v. Löwis <martin@v.loewis.de> parents: 22112 diff changeset	1267 and we wouldn't want to break those. */
a0cc52735e6e Patch #517521: Consider byte strings before Unicode strings Martin v. Löwis <martin@v.loewis.de> parents: 22112 diff changeset	1268 if (PyUnicode_Check(name)) {
a0cc52735e6e Patch #517521: Consider byte strings before Unicode strings Martin v. Löwis <martin@v.loewis.de> parents: 22112 diff changeset	1269 name = PyUnicode_AsEncodedString(name, NULL, NULL);
a0cc52735e6e Patch #517521: Consider byte strings before Unicode strings Martin v. Löwis <martin@v.loewis.de> parents: 22112 diff changeset	1270 if (name == NULL)
a0cc52735e6e Patch #517521: Consider byte strings before Unicode strings Martin v. Löwis <martin@v.loewis.de> parents: 22112 diff changeset	1271 return NULL;
a0cc52735e6e Patch #517521: Consider byte strings before Unicode strings Martin v. Löwis <martin@v.loewis.de> parents: 22112 diff changeset	1272 }
24122 d332484e394a Trashcan cleanup: Now that cyclic gc is always there, the trashcan Tim Peters <tim.peters@gmail.com> parents: 24121 diff changeset	1273 else
22302 a0cc52735e6e Patch #517521: Consider byte strings before Unicode strings Martin v. Löwis <martin@v.loewis.de> parents: 22112 diff changeset	1274 #endif
a0cc52735e6e Patch #517521: Consider byte strings before Unicode strings Martin v. Löwis <martin@v.loewis.de> parents: 22112 diff changeset	1275 {
38871 a3c61c648fc8 Patch #1507676: improve exception messages in abstract.c, object.c and typeobject.c. Georg Brandl <georg@python.org> parents: 38485 diff changeset	1276 PyErr_Format(PyExc_TypeError,
a3c61c648fc8 Patch #1507676: improve exception messages in abstract.c, object.c and typeobject.c. Georg Brandl <georg@python.org> parents: 38485 diff changeset	1277 "attribute name must be string, not '%.200s'",
44350 26384b8180c7 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT. Macros for b/w compatibility are available. Christian Heimes <christian@cheimes.de> parents: 43958 diff changeset	1278 Py_TYPE(name)->tp_name);
21186 0189186f4ed9 PyObject_Generic{Get,Set}Attr(): ensure that the attribute name is a Guido van Rossum <guido@python.org> parents: 20865 diff changeset	1279 return NULL;
22302 a0cc52735e6e Patch #517521: Consider byte strings before Unicode strings Martin v. Löwis <martin@v.loewis.de> parents: 22112 diff changeset	1280 }
21186 0189186f4ed9 PyObject_Generic{Get,Set}Attr(): ensure that the attribute name is a Guido van Rossum <guido@python.org> parents: 20865 diff changeset	1281 }
0189186f4ed9 PyObject_Generic{Get,Set}Attr(): ensure that the attribute name is a Guido van Rossum <guido@python.org> parents: 20865 diff changeset	1282 else
0189186f4ed9 PyObject_Generic{Get,Set}Attr(): ensure that the attribute name is a Guido van Rossum <guido@python.org> parents: 20865 diff changeset	1283 Py_INCREF(name);
0189186f4ed9 PyObject_Generic{Get,Set}Attr(): ensure that the attribute name is a Guido van Rossum <guido@python.org> parents: 20865 diff changeset	1284
18933 09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1285 if (tp->tp_dict == NULL) {
19040 4df72ea78ae8 - Rename PyType_InitDict() to PyType_Ready(). Guido van Rossum <guido@python.org> parents: 18933 diff changeset	1286 if (PyType_Ready(tp) < 0)
21186 0189186f4ed9 PyObject_Generic{Get,Set}Attr(): ensure that the attribute name is a Guido van Rossum <guido@python.org> parents: 20865 diff changeset	1287 goto done;
12991 1a40f00a48bf raise TypeError when PyObject_Get/SetAttr called with non-string name Jeremy Hylton <jeremy@alum.mit.edu> parents: 12904 diff changeset	1288 }
18933 09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1289
44664 387d48c3a0b3 Re-apply patch #1700288 (first applied in r59931, rolled back in r59940) Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 44661 diff changeset	1290 #if 0 /* XXX this is not quite _PyType_Lookup anymore */
24897 6310a4a21eb8 Another modest speedup in PyObject_GenericGetAttr(): inline the call Guido van Rossum <guido@python.org> parents: 24894 diff changeset	1291 /* Inline _PyType_Lookup */
6310a4a21eb8 Another modest speedup in PyObject_GenericGetAttr(): inline the call Guido van Rossum <guido@python.org> parents: 24894 diff changeset	1292 {
36501 7fdc639bc5b4 Merge ssize_t branch. Martin v. Löwis <martin@v.loewis.de> parents: 35999 diff changeset	1293 Py_ssize_t i, n;
24897 6310a4a21eb8 Another modest speedup in PyObject_GenericGetAttr(): inline the call Guido van Rossum <guido@python.org> parents: 24894 diff changeset	1294 PyObject mro, base, *dict;
6310a4a21eb8 Another modest speedup in PyObject_GenericGetAttr(): inline the call Guido van Rossum <guido@python.org> parents: 24894 diff changeset	1295
6310a4a21eb8 Another modest speedup in PyObject_GenericGetAttr(): inline the call Guido van Rossum <guido@python.org> parents: 24894 diff changeset	1296 /* Look in tp_dict of types in MRO */
6310a4a21eb8 Another modest speedup in PyObject_GenericGetAttr(): inline the call Guido van Rossum <guido@python.org> parents: 24894 diff changeset	1297 mro = tp->tp_mro;
6310a4a21eb8 Another modest speedup in PyObject_GenericGetAttr(): inline the call Guido van Rossum <guido@python.org> parents: 24894 diff changeset	1298 assert(mro != NULL);
6310a4a21eb8 Another modest speedup in PyObject_GenericGetAttr(): inline the call Guido van Rossum <guido@python.org> parents: 24894 diff changeset	1299 assert(PyTuple_Check(mro));
6310a4a21eb8 Another modest speedup in PyObject_GenericGetAttr(): inline the call Guido van Rossum <guido@python.org> parents: 24894 diff changeset	1300 n = PyTuple_GET_SIZE(mro);
6310a4a21eb8 Another modest speedup in PyObject_GenericGetAttr(): inline the call Guido van Rossum <guido@python.org> parents: 24894 diff changeset	1301 for (i = 0; i < n; i++) {
6310a4a21eb8 Another modest speedup in PyObject_GenericGetAttr(): inline the call Guido van Rossum <guido@python.org> parents: 24894 diff changeset	1302 base = PyTuple_GET_ITEM(mro, i);
6310a4a21eb8 Another modest speedup in PyObject_GenericGetAttr(): inline the call Guido van Rossum <guido@python.org> parents: 24894 diff changeset	1303 if (PyClass_Check(base))
6310a4a21eb8 Another modest speedup in PyObject_GenericGetAttr(): inline the call Guido van Rossum <guido@python.org> parents: 24894 diff changeset	1304 dict = ((PyClassObject *)base)->cl_dict;
6310a4a21eb8 Another modest speedup in PyObject_GenericGetAttr(): inline the call Guido van Rossum <guido@python.org> parents: 24894 diff changeset	1305 else {
6310a4a21eb8 Another modest speedup in PyObject_GenericGetAttr(): inline the call Guido van Rossum <guido@python.org> parents: 24894 diff changeset	1306 assert(PyType_Check(base));
6310a4a21eb8 Another modest speedup in PyObject_GenericGetAttr(): inline the call Guido van Rossum <guido@python.org> parents: 24894 diff changeset	1307 dict = ((PyTypeObject *)base)->tp_dict;
6310a4a21eb8 Another modest speedup in PyObject_GenericGetAttr(): inline the call Guido van Rossum <guido@python.org> parents: 24894 diff changeset	1308 }
6310a4a21eb8 Another modest speedup in PyObject_GenericGetAttr(): inline the call Guido van Rossum <guido@python.org> parents: 24894 diff changeset	1309 assert(dict && PyDict_Check(dict));
6310a4a21eb8 Another modest speedup in PyObject_GenericGetAttr(): inline the call Guido van Rossum <guido@python.org> parents: 24894 diff changeset	1310 descr = PyDict_GetItem(dict, name);
6310a4a21eb8 Another modest speedup in PyObject_GenericGetAttr(): inline the call Guido van Rossum <guido@python.org> parents: 24894 diff changeset	1311 if (descr != NULL)
6310a4a21eb8 Another modest speedup in PyObject_GenericGetAttr(): inline the call Guido van Rossum <guido@python.org> parents: 24894 diff changeset	1312 break;
6310a4a21eb8 Another modest speedup in PyObject_GenericGetAttr(): inline the call Guido van Rossum <guido@python.org> parents: 24894 diff changeset	1313 }
6310a4a21eb8 Another modest speedup in PyObject_GenericGetAttr(): inline the call Guido van Rossum <guido@python.org> parents: 24894 diff changeset	1314 }
44664 387d48c3a0b3 Re-apply patch #1700288 (first applied in r59931, rolled back in r59940) Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 44661 diff changeset	1315 #else
387d48c3a0b3 Re-apply patch #1700288 (first applied in r59931, rolled back in r59940) Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 44661 diff changeset	1316 descr = _PyType_Lookup(tp, name);
387d48c3a0b3 Re-apply patch #1700288 (first applied in r59931, rolled back in r59940) Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 44661 diff changeset	1317 #endif
24897 6310a4a21eb8 Another modest speedup in PyObject_GenericGetAttr(): inline the call Guido van Rossum <guido@python.org> parents: 24894 diff changeset	1318
30159 941d49a65f06 Fix for Michael W. Hudson <mwh@python.net> parents: 28669 diff changeset	1319 Py_XINCREF(descr);
941d49a65f06 Fix for Michael W. Hudson <mwh@python.net> parents: 28669 diff changeset	1320
18933 09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1321 f = NULL;
27966 b28d4fde9e9f PyObject_Generic{Get,Set}Attr: Guido van Rossum <guido@python.org> parents: 27938 diff changeset	1322 if (descr != NULL &&
b28d4fde9e9f PyObject_Generic{Get,Set}Attr: Guido van Rossum <guido@python.org> parents: 27938 diff changeset	1323 PyType_HasFeature(descr->ob_type, Py_TPFLAGS_HAVE_CLASS)) {
18933 09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1324 f = descr->ob_type->tp_descr_get;
21186 0189186f4ed9 PyObject_Generic{Get,Set}Attr(): ensure that the attribute name is a Guido van Rossum <guido@python.org> parents: 20865 diff changeset	1325 if (f != NULL && PyDescr_IsData(descr)) {
0189186f4ed9 PyObject_Generic{Get,Set}Attr(): ensure that the attribute name is a Guido van Rossum <guido@python.org> parents: 20865 diff changeset	1326 res = f(descr, obj, (PyObject *)obj->ob_type);
30159 941d49a65f06 Fix for Michael W. Hudson <mwh@python.net> parents: 28669 diff changeset	1327 Py_DECREF(descr);
21186 0189186f4ed9 PyObject_Generic{Get,Set}Attr(): ensure that the attribute name is a Guido van Rossum <guido@python.org> parents: 20865 diff changeset	1328 goto done;
0189186f4ed9 PyObject_Generic{Get,Set}Attr(): ensure that the attribute name is a Guido van Rossum <guido@python.org> parents: 20865 diff changeset	1329 }
18933 09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1330 }
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1331
24894 8862bc59685a Inline call to _PyObject_GetDictPtr() in PyObject_GenericGetAttr(). Guido van Rossum <guido@python.org> parents: 24644 diff changeset	1332 /* Inline _PyObject_GetDictPtr */
8862bc59685a Inline call to _PyObject_GetDictPtr() in PyObject_GenericGetAttr(). Guido van Rossum <guido@python.org> parents: 24644 diff changeset	1333 dictoffset = tp->tp_dictoffset;
8862bc59685a Inline call to _PyObject_GetDictPtr() in PyObject_GenericGetAttr(). Guido van Rossum <guido@python.org> parents: 24644 diff changeset	1334 if (dictoffset != 0) {
8862bc59685a Inline call to _PyObject_GetDictPtr() in PyObject_GenericGetAttr(). Guido van Rossum <guido@python.org> parents: 24644 diff changeset	1335 PyObject *dict;
8862bc59685a Inline call to _PyObject_GetDictPtr() in PyObject_GenericGetAttr(). Guido van Rossum <guido@python.org> parents: 24644 diff changeset	1336 if (dictoffset < 0) {
36501 7fdc639bc5b4 Merge ssize_t branch. Martin v. Löwis <martin@v.loewis.de> parents: 35999 diff changeset	1337 Py_ssize_t tsize;
24894 8862bc59685a Inline call to _PyObject_GetDictPtr() in PyObject_GenericGetAttr(). Guido van Rossum <guido@python.org> parents: 24644 diff changeset	1338 size_t size;
8862bc59685a Inline call to _PyObject_GetDictPtr() in PyObject_GenericGetAttr(). Guido van Rossum <guido@python.org> parents: 24644 diff changeset	1339
8862bc59685a Inline call to _PyObject_GetDictPtr() in PyObject_GenericGetAttr(). Guido van Rossum <guido@python.org> parents: 24644 diff changeset	1340 tsize = ((PyVarObject *)obj)->ob_size;
8862bc59685a Inline call to _PyObject_GetDictPtr() in PyObject_GenericGetAttr(). Guido van Rossum <guido@python.org> parents: 24644 diff changeset	1341 if (tsize < 0)
8862bc59685a Inline call to _PyObject_GetDictPtr() in PyObject_GenericGetAttr(). Guido van Rossum <guido@python.org> parents: 24644 diff changeset	1342 tsize = -tsize;
8862bc59685a Inline call to _PyObject_GetDictPtr() in PyObject_GenericGetAttr(). Guido van Rossum <guido@python.org> parents: 24644 diff changeset	1343 size = _PyObject_VAR_SIZE(tp, tsize);
8862bc59685a Inline call to _PyObject_GetDictPtr() in PyObject_GenericGetAttr(). Guido van Rossum <guido@python.org> parents: 24644 diff changeset	1344
8862bc59685a Inline call to _PyObject_GetDictPtr() in PyObject_GenericGetAttr(). Guido van Rossum <guido@python.org> parents: 24644 diff changeset	1345 dictoffset += (long)size;
8862bc59685a Inline call to _PyObject_GetDictPtr() in PyObject_GenericGetAttr(). Guido van Rossum <guido@python.org> parents: 24644 diff changeset	1346 assert(dictoffset > 0);
8862bc59685a Inline call to _PyObject_GetDictPtr() in PyObject_GenericGetAttr(). Guido van Rossum <guido@python.org> parents: 24644 diff changeset	1347 assert(dictoffset % SIZEOF_VOID_P == 0);
8862bc59685a Inline call to _PyObject_GetDictPtr() in PyObject_GenericGetAttr(). Guido van Rossum <guido@python.org> parents: 24644 diff changeset	1348 }
8862bc59685a Inline call to _PyObject_GetDictPtr() in PyObject_GenericGetAttr(). Guido van Rossum <guido@python.org> parents: 24644 diff changeset	1349 dictptr = (PyObject *) ((char )obj + dictoffset);
8862bc59685a Inline call to _PyObject_GetDictPtr() in PyObject_GenericGetAttr(). Guido van Rossum <guido@python.org> parents: 24644 diff changeset	1350 dict = *dictptr;
18933 09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1351 if (dict != NULL) {
21186 0189186f4ed9 PyObject_Generic{Get,Set}Attr(): ensure that the attribute name is a Guido van Rossum <guido@python.org> parents: 20865 diff changeset	1352 res = PyDict_GetItem(dict, name);
18933 09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1353 if (res != NULL) {
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1354 Py_INCREF(res);
30159 941d49a65f06 Fix for Michael W. Hudson <mwh@python.net> parents: 28669 diff changeset	1355 Py_XDECREF(descr);
21186 0189186f4ed9 PyObject_Generic{Get,Set}Attr(): ensure that the attribute name is a Guido van Rossum <guido@python.org> parents: 20865 diff changeset	1356 goto done;
18933 09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1357 }
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1358 }
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1359 }
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1360
21186 0189186f4ed9 PyObject_Generic{Get,Set}Attr(): ensure that the attribute name is a Guido van Rossum <guido@python.org> parents: 20865 diff changeset	1361 if (f != NULL) {
44350 26384b8180c7 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT. Macros for b/w compatibility are available. Christian Heimes <christian@cheimes.de> parents: 43958 diff changeset	1362 res = f(descr, obj, (PyObject *)Py_TYPE(obj));
30159 941d49a65f06 Fix for Michael W. Hudson <mwh@python.net> parents: 28669 diff changeset	1363 Py_DECREF(descr);
21186 0189186f4ed9 PyObject_Generic{Get,Set}Attr(): ensure that the attribute name is a Guido van Rossum <guido@python.org> parents: 20865 diff changeset	1364 goto done;
0189186f4ed9 PyObject_Generic{Get,Set}Attr(): ensure that the attribute name is a Guido van Rossum <guido@python.org> parents: 20865 diff changeset	1365 }
18933 09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1366
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1367 if (descr != NULL) {
21186 0189186f4ed9 PyObject_Generic{Get,Set}Attr(): ensure that the attribute name is a Guido van Rossum <guido@python.org> parents: 20865 diff changeset	1368 res = descr;
30159 941d49a65f06 Fix for Michael W. Hudson <mwh@python.net> parents: 28669 diff changeset	1369 /* descr was already increfed above */
21186 0189186f4ed9 PyObject_Generic{Get,Set}Attr(): ensure that the attribute name is a Guido van Rossum <guido@python.org> parents: 20865 diff changeset	1370 goto done;
14660 983502b2cd43 PyObject_SetAttr() and PyObject_GetAttr() now also accept Unicode Marc-André Lemburg <mal@egenix.com> parents: 14375 diff changeset	1371 }
18933 09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1372
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1373 PyErr_Format(PyExc_AttributeError,
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1374 "'%.50s' object has no attribute '%.400s'",
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1375 tp->tp_name, PyString_AS_STRING(name));
21186 0189186f4ed9 PyObject_Generic{Get,Set}Attr(): ensure that the attribute name is a Guido van Rossum <guido@python.org> parents: 20865 diff changeset	1376 done:
0189186f4ed9 PyObject_Generic{Get,Set}Attr(): ensure that the attribute name is a Guido van Rossum <guido@python.org> parents: 20865 diff changeset	1377 Py_DECREF(name);
0189186f4ed9 PyObject_Generic{Get,Set}Attr(): ensure that the attribute name is a Guido van Rossum <guido@python.org> parents: 20865 diff changeset	1378 return res;
18933 09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1379 }
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1380
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1381 int
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1382 PyObject_GenericSetAttr(PyObject obj, PyObject name, PyObject *value)
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1383 {
44350 26384b8180c7 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT. Macros for b/w compatibility are available. Christian Heimes <christian@cheimes.de> parents: 43958 diff changeset	1384 PyTypeObject *tp = Py_TYPE(obj);
18933 09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1385 PyObject *descr;
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1386 descrsetfunc f;
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1387 PyObject **dictptr;
21186 0189186f4ed9 PyObject_Generic{Get,Set}Attr(): ensure that the attribute name is a Guido van Rossum <guido@python.org> parents: 20865 diff changeset	1388 int res = -1;
0189186f4ed9 PyObject_Generic{Get,Set}Attr(): ensure that the attribute name is a Guido van Rossum <guido@python.org> parents: 20865 diff changeset	1389
22302 a0cc52735e6e Patch #517521: Consider byte strings before Unicode strings Martin v. Löwis <martin@v.loewis.de> parents: 22112 diff changeset	1390 if (!PyString_Check(name)){
21186 0189186f4ed9 PyObject_Generic{Get,Set}Attr(): ensure that the attribute name is a Guido van Rossum <guido@python.org> parents: 20865 diff changeset	1391 #ifdef Py_USING_UNICODE
22302 a0cc52735e6e Patch #517521: Consider byte strings before Unicode strings Martin v. Löwis <martin@v.loewis.de> parents: 22112 diff changeset	1392 /* The Unicode to string conversion is done here because the
a0cc52735e6e Patch #517521: Consider byte strings before Unicode strings Martin v. Löwis <martin@v.loewis.de> parents: 22112 diff changeset	1393 existing tp_setattro slots expect a string object as name
a0cc52735e6e Patch #517521: Consider byte strings before Unicode strings Martin v. Löwis <martin@v.loewis.de> parents: 22112 diff changeset	1394 and we wouldn't want to break those. */
a0cc52735e6e Patch #517521: Consider byte strings before Unicode strings Martin v. Löwis <martin@v.loewis.de> parents: 22112 diff changeset	1395 if (PyUnicode_Check(name)) {
a0cc52735e6e Patch #517521: Consider byte strings before Unicode strings Martin v. Löwis <martin@v.loewis.de> parents: 22112 diff changeset	1396 name = PyUnicode_AsEncodedString(name, NULL, NULL);
a0cc52735e6e Patch #517521: Consider byte strings before Unicode strings Martin v. Löwis <martin@v.loewis.de> parents: 22112 diff changeset	1397 if (name == NULL)
a0cc52735e6e Patch #517521: Consider byte strings before Unicode strings Martin v. Löwis <martin@v.loewis.de> parents: 22112 diff changeset	1398 return -1;
a0cc52735e6e Patch #517521: Consider byte strings before Unicode strings Martin v. Löwis <martin@v.loewis.de> parents: 22112 diff changeset	1399 }
24122 d332484e394a Trashcan cleanup: Now that cyclic gc is always there, the trashcan Tim Peters <tim.peters@gmail.com> parents: 24121 diff changeset	1400 else
22302 a0cc52735e6e Patch #517521: Consider byte strings before Unicode strings Martin v. Löwis <martin@v.loewis.de> parents: 22112 diff changeset	1401 #endif
a0cc52735e6e Patch #517521: Consider byte strings before Unicode strings Martin v. Löwis <martin@v.loewis.de> parents: 22112 diff changeset	1402 {
38871 a3c61c648fc8 Patch #1507676: improve exception messages in abstract.c, object.c and typeobject.c. Georg Brandl <georg@python.org> parents: 38485 diff changeset	1403 PyErr_Format(PyExc_TypeError,
a3c61c648fc8 Patch #1507676: improve exception messages in abstract.c, object.c and typeobject.c. Georg Brandl <georg@python.org> parents: 38485 diff changeset	1404 "attribute name must be string, not '%.200s'",
44350 26384b8180c7 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT. Macros for b/w compatibility are available. Christian Heimes <christian@cheimes.de> parents: 43958 diff changeset	1405 Py_TYPE(name)->tp_name);
21186 0189186f4ed9 PyObject_Generic{Get,Set}Attr(): ensure that the attribute name is a Guido van Rossum <guido@python.org> parents: 20865 diff changeset	1406 return -1;
22302 a0cc52735e6e Patch #517521: Consider byte strings before Unicode strings Martin v. Löwis <martin@v.loewis.de> parents: 22112 diff changeset	1407 }
21186 0189186f4ed9 PyObject_Generic{Get,Set}Attr(): ensure that the attribute name is a Guido van Rossum <guido@python.org> parents: 20865 diff changeset	1408 }
0189186f4ed9 PyObject_Generic{Get,Set}Attr(): ensure that the attribute name is a Guido van Rossum <guido@python.org> parents: 20865 diff changeset	1409 else
0189186f4ed9 PyObject_Generic{Get,Set}Attr(): ensure that the attribute name is a Guido van Rossum <guido@python.org> parents: 20865 diff changeset	1410 Py_INCREF(name);
18933 09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1411
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1412 if (tp->tp_dict == NULL) {
19040 4df72ea78ae8 - Rename PyType_InitDict() to PyType_Ready(). Guido van Rossum <guido@python.org> parents: 18933 diff changeset	1413 if (PyType_Ready(tp) < 0)
21186 0189186f4ed9 PyObject_Generic{Get,Set}Attr(): ensure that the attribute name is a Guido van Rossum <guido@python.org> parents: 20865 diff changeset	1414 goto done;
18933 09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1415 }
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1416
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1417 descr = _PyType_Lookup(tp, name);
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1418 f = NULL;
27966 b28d4fde9e9f PyObject_Generic{Get,Set}Attr: Guido van Rossum <guido@python.org> parents: 27938 diff changeset	1419 if (descr != NULL &&
b28d4fde9e9f PyObject_Generic{Get,Set}Attr: Guido van Rossum <guido@python.org> parents: 27938 diff changeset	1420 PyType_HasFeature(descr->ob_type, Py_TPFLAGS_HAVE_CLASS)) {
18933 09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1421 f = descr->ob_type->tp_descr_set;
21186 0189186f4ed9 PyObject_Generic{Get,Set}Attr(): ensure that the attribute name is a Guido van Rossum <guido@python.org> parents: 20865 diff changeset	1422 if (f != NULL && PyDescr_IsData(descr)) {
0189186f4ed9 PyObject_Generic{Get,Set}Attr(): ensure that the attribute name is a Guido van Rossum <guido@python.org> parents: 20865 diff changeset	1423 res = f(descr, obj, value);
0189186f4ed9 PyObject_Generic{Get,Set}Attr(): ensure that the attribute name is a Guido van Rossum <guido@python.org> parents: 20865 diff changeset	1424 goto done;
0189186f4ed9 PyObject_Generic{Get,Set}Attr(): ensure that the attribute name is a Guido van Rossum <guido@python.org> parents: 20865 diff changeset	1425 }
18933 09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1426 }
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1427
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1428 dictptr = _PyObject_GetDictPtr(obj);
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1429 if (dictptr != NULL) {
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1430 PyObject dict = dictptr;
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1431 if (dict == NULL && value != NULL) {
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1432 dict = PyDict_New();
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1433 if (dict == NULL)
21186 0189186f4ed9 PyObject_Generic{Get,Set}Attr(): ensure that the attribute name is a Guido van Rossum <guido@python.org> parents: 20865 diff changeset	1434 goto done;
18933 09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1435 *dictptr = dict;
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1436 }
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1437 if (dict != NULL) {
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1438 if (value == NULL)
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1439 res = PyDict_DelItem(dict, name);
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1440 else
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1441 res = PyDict_SetItem(dict, name, value);
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1442 if (res < 0 && PyErr_ExceptionMatches(PyExc_KeyError))
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1443 PyErr_SetObject(PyExc_AttributeError, name);
21186 0189186f4ed9 PyObject_Generic{Get,Set}Attr(): ensure that the attribute name is a Guido van Rossum <guido@python.org> parents: 20865 diff changeset	1444 goto done;
18933 09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1445 }
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1446 }
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1447
21186 0189186f4ed9 PyObject_Generic{Get,Set}Attr(): ensure that the attribute name is a Guido van Rossum <guido@python.org> parents: 20865 diff changeset	1448 if (f != NULL) {
0189186f4ed9 PyObject_Generic{Get,Set}Attr(): ensure that the attribute name is a Guido van Rossum <guido@python.org> parents: 20865 diff changeset	1449 res = f(descr, obj, value);
0189186f4ed9 PyObject_Generic{Get,Set}Attr(): ensure that the attribute name is a Guido van Rossum <guido@python.org> parents: 20865 diff changeset	1450 goto done;
0189186f4ed9 PyObject_Generic{Get,Set}Attr(): ensure that the attribute name is a Guido van Rossum <guido@python.org> parents: 20865 diff changeset	1451 }
18933 09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1452
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1453 if (descr == NULL) {
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1454 PyErr_Format(PyExc_AttributeError,
38871 a3c61c648fc8 Patch #1507676: improve exception messages in abstract.c, object.c and typeobject.c. Georg Brandl <georg@python.org> parents: 38485 diff changeset	1455 "'%.100s' object has no attribute '%.200s'",
18933 09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1456 tp->tp_name, PyString_AS_STRING(name));
21186 0189186f4ed9 PyObject_Generic{Get,Set}Attr(): ensure that the attribute name is a Guido van Rossum <guido@python.org> parents: 20865 diff changeset	1457 goto done;
18933 09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1458 }
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1459
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1460 PyErr_Format(PyExc_AttributeError,
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1461 "'%.50s' object attribute '%.400s' is read-only",
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1462 tp->tp_name, PyString_AS_STRING(name));
21186 0189186f4ed9 PyObject_Generic{Get,Set}Attr(): ensure that the attribute name is a Guido van Rossum <guido@python.org> parents: 20865 diff changeset	1463 done:
0189186f4ed9 PyObject_Generic{Get,Set}Attr(): ensure that the attribute name is a Guido van Rossum <guido@python.org> parents: 20865 diff changeset	1464 Py_DECREF(name);
0189186f4ed9 PyObject_Generic{Get,Set}Attr(): ensure that the attribute name is a Guido van Rossum <guido@python.org> parents: 20865 diff changeset	1465 return res;
5560 8ec298b255a2 Moved PyObject_{Get,Set}Attr here (from dictobject) and add PyObject_HasAttr. Guido van Rossum <guido@python.org> parents: 5535 diff changeset	1466 }
8ec298b255a2 Moved PyObject_{Get,Set}Attr here (from dictobject) and add PyObject_HasAttr. Guido van Rossum <guido@python.org> parents: 5535 diff changeset	1467
1282 e0464e7115ca * pythonrun.c: Print exception type+arg after stack trace instead of Guido van Rossum <guido@python.org> parents: 1257 diff changeset	1468 /* Test a value used as condition, e.g., in a for or if statement.
e0464e7115ca * pythonrun.c: Print exception type+arg after stack trace instead of Guido van Rossum <guido@python.org> parents: 1257 diff changeset	1469 Return -1 if an error occurred */
e0464e7115ca * pythonrun.c: Print exception type+arg after stack trace instead of Guido van Rossum <guido@python.org> parents: 1257 diff changeset	1470
e0464e7115ca * pythonrun.c: Print exception type+arg after stack trace instead of Guido van Rossum <guido@python.org> parents: 1257 diff changeset	1471 int
13473 31b1f691a7d9 ANSI-fication of the sources. Fred Drake <fdrake@acm.org> parents: 13447 diff changeset	1472 PyObject_IsTrue(PyObject *v)
1282 e0464e7115ca * pythonrun.c: Print exception type+arg after stack trace instead of Guido van Rossum <guido@python.org> parents: 1257 diff changeset	1473 {
36501 7fdc639bc5b4 Merge ssize_t branch. Martin v. Löwis <martin@v.loewis.de> parents: 35999 diff changeset	1474 Py_ssize_t res;
25015 24e80d96bd0b Speedup for PyObject_IsTrue(): check for True and False first. Guido van Rossum <guido@python.org> parents: 25013 diff changeset	1475 if (v == Py_True)
24e80d96bd0b Speedup for PyObject_IsTrue(): check for True and False first. Guido van Rossum <guido@python.org> parents: 25013 diff changeset	1476 return 1;
24e80d96bd0b Speedup for PyObject_IsTrue(): check for True and False first. Guido van Rossum <guido@python.org> parents: 25013 diff changeset	1477 if (v == Py_False)
24e80d96bd0b Speedup for PyObject_IsTrue(): check for True and False first. Guido van Rossum <guido@python.org> parents: 25013 diff changeset	1478 return 0;
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5006 diff changeset	1479 if (v == Py_None)
23838 95263ccec819 SF # 561244 Micro optimizations Neal Norwitz <nnorwitz@gmail.com> parents: 23599 diff changeset	1480 return 0;
8404 64b88a178328 In PyObject_IsTrue(), don't call function pointers that are NULL Guido van Rossum <guido@python.org> parents: 8181 diff changeset	1481 else if (v->ob_type->tp_as_number != NULL &&
64b88a178328 In PyObject_IsTrue(), don't call function pointers that are NULL Guido van Rossum <guido@python.org> parents: 8181 diff changeset	1482 v->ob_type->tp_as_number->nb_nonzero != NULL)
1282 e0464e7115ca * pythonrun.c: Print exception type+arg after stack trace instead of Guido van Rossum <guido@python.org> parents: 1257 diff changeset	1483 res = (*v->ob_type->tp_as_number->nb_nonzero)(v);
8404 64b88a178328 In PyObject_IsTrue(), don't call function pointers that are NULL Guido van Rossum <guido@python.org> parents: 8181 diff changeset	1484 else if (v->ob_type->tp_as_mapping != NULL &&
64b88a178328 In PyObject_IsTrue(), don't call function pointers that are NULL Guido van Rossum <guido@python.org> parents: 8181 diff changeset	1485 v->ob_type->tp_as_mapping->mp_length != NULL)
1282 e0464e7115ca * pythonrun.c: Print exception type+arg after stack trace instead of Guido van Rossum <guido@python.org> parents: 1257 diff changeset	1486 res = (*v->ob_type->tp_as_mapping->mp_length)(v);
8404 64b88a178328 In PyObject_IsTrue(), don't call function pointers that are NULL Guido van Rossum <guido@python.org> parents: 8181 diff changeset	1487 else if (v->ob_type->tp_as_sequence != NULL &&
64b88a178328 In PyObject_IsTrue(), don't call function pointers that are NULL Guido van Rossum <guido@python.org> parents: 8181 diff changeset	1488 v->ob_type->tp_as_sequence->sq_length != NULL)
1282 e0464e7115ca * pythonrun.c: Print exception type+arg after stack trace instead of Guido van Rossum <guido@python.org> parents: 1257 diff changeset	1489 res = (*v->ob_type->tp_as_sequence->sq_length)(v);
e0464e7115ca * pythonrun.c: Print exception type+arg after stack trace instead of Guido van Rossum <guido@python.org> parents: 1257 diff changeset	1490 else
23838 95263ccec819 SF # 561244 Micro optimizations Neal Norwitz <nnorwitz@gmail.com> parents: 23599 diff changeset	1491 return 1;
36501 7fdc639bc5b4 Merge ssize_t branch. Martin v. Löwis <martin@v.loewis.de> parents: 35999 diff changeset	1492 /* if it is negative, it should be either -1 or -2 */
7fdc639bc5b4 Merge ssize_t branch. Martin v. Löwis <martin@v.loewis.de> parents: 35999 diff changeset	1493 return (res > 0) ? 1 : Py_SAFE_DOWNCAST(res, Py_ssize_t, int);
1282 e0464e7115ca * pythonrun.c: Print exception type+arg after stack trace instead of Guido van Rossum <guido@python.org> parents: 1257 diff changeset	1494 }
e0464e7115ca * pythonrun.c: Print exception type+arg after stack trace instead of Guido van Rossum <guido@python.org> parents: 1257 diff changeset	1495
24122 d332484e394a Trashcan cleanup: Now that cyclic gc is always there, the trashcan Tim Peters <tim.peters@gmail.com> parents: 24121 diff changeset	1496 /* equivalent of 'not v'
7935 aa7d69d67c81 Add PyObject_Not(). Guido van Rossum <guido@python.org> parents: 7119 diff changeset	1497 Return -1 if an error occurred */
aa7d69d67c81 Add PyObject_Not(). Guido van Rossum <guido@python.org> parents: 7119 diff changeset	1498
aa7d69d67c81 Add PyObject_Not(). Guido van Rossum <guido@python.org> parents: 7119 diff changeset	1499 int
13473 31b1f691a7d9 ANSI-fication of the sources. Fred Drake <fdrake@acm.org> parents: 13447 diff changeset	1500 PyObject_Not(PyObject *v)
7935 aa7d69d67c81 Add PyObject_Not(). Guido van Rossum <guido@python.org> parents: 7119 diff changeset	1501 {
aa7d69d67c81 Add PyObject_Not(). Guido van Rossum <guido@python.org> parents: 7119 diff changeset	1502 int res;
aa7d69d67c81 Add PyObject_Not(). Guido van Rossum <guido@python.org> parents: 7119 diff changeset	1503 res = PyObject_IsTrue(v);
aa7d69d67c81 Add PyObject_Not(). Guido van Rossum <guido@python.org> parents: 7119 diff changeset	1504 if (res < 0)
aa7d69d67c81 Add PyObject_Not(). Guido van Rossum <guido@python.org> parents: 7119 diff changeset	1505 return res;
aa7d69d67c81 Add PyObject_Not(). Guido van Rossum <guido@python.org> parents: 7119 diff changeset	1506 return res == 0;
aa7d69d67c81 Add PyObject_Not(). Guido van Rossum <guido@python.org> parents: 7119 diff changeset	1507 }
aa7d69d67c81 Add PyObject_Not(). Guido van Rossum <guido@python.org> parents: 7119 diff changeset	1508
2113 76c860a18d82 move coerce() from bltinmodule.c to object.c and implement builtin_coerce() differently Guido van Rossum <guido@python.org> parents: 2079 diff changeset	1509 /* Coerce two numeric types to the "larger" one.
76c860a18d82 move coerce() from bltinmodule.c to object.c and implement builtin_coerce() differently Guido van Rossum <guido@python.org> parents: 2079 diff changeset	1510 Increment the reference count on each argument.
15941 5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	1511 Return value:
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	1512 -1 if an error occurred;
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	1513 0 if the coercion succeeded (and then the reference counts are increased);
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	1514 1 if no coercion is possible (and no error is raised).
2113 76c860a18d82 move coerce() from bltinmodule.c to object.c and implement builtin_coerce() differently Guido van Rossum <guido@python.org> parents: 2079 diff changeset	1515 */
76c860a18d82 move coerce() from bltinmodule.c to object.c and implement builtin_coerce() differently Guido van Rossum <guido@python.org> parents: 2079 diff changeset	1516 int
13473 31b1f691a7d9 ANSI-fication of the sources. Fred Drake <fdrake@acm.org> parents: 13447 diff changeset	1517 PyNumber_CoerceEx(PyObject pv, PyObject pw)
2113 76c860a18d82 move coerce() from bltinmodule.c to object.c and implement builtin_coerce() differently Guido van Rossum <guido@python.org> parents: 2079 diff changeset	1518 {
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5006 diff changeset	1519 register PyObject v = pv;
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5006 diff changeset	1520 register PyObject w = pw;
2113 76c860a18d82 move coerce() from bltinmodule.c to object.c and implement builtin_coerce() differently Guido van Rossum <guido@python.org> parents: 2079 diff changeset	1521 int res;
76c860a18d82 move coerce() from bltinmodule.c to object.c and implement builtin_coerce() differently Guido van Rossum <guido@python.org> parents: 2079 diff changeset	1522
23282 a4e75d53d32b PyNumber_CoerceEx: this took a shortcut (not doing anything) when the Guido van Rossum <guido@python.org> parents: 22985 diff changeset	1523 /* Shortcut only for old-style types */
a4e75d53d32b PyNumber_CoerceEx: this took a shortcut (not doing anything) when the Guido van Rossum <guido@python.org> parents: 22985 diff changeset	1524 if (v->ob_type == w->ob_type &&
a4e75d53d32b PyNumber_CoerceEx: this took a shortcut (not doing anything) when the Guido van Rossum <guido@python.org> parents: 22985 diff changeset	1525 !PyType_HasFeature(v->ob_type, Py_TPFLAGS_CHECKTYPES))
a4e75d53d32b PyNumber_CoerceEx: this took a shortcut (not doing anything) when the Guido van Rossum <guido@python.org> parents: 22985 diff changeset	1526 {
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5006 diff changeset	1527 Py_INCREF(v);
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5006 diff changeset	1528 Py_INCREF(w);
2113 76c860a18d82 move coerce() from bltinmodule.c to object.c and implement builtin_coerce() differently Guido van Rossum <guido@python.org> parents: 2079 diff changeset	1529 return 0;
76c860a18d82 move coerce() from bltinmodule.c to object.c and implement builtin_coerce() differently Guido van Rossum <guido@python.org> parents: 2079 diff changeset	1530 }
76c860a18d82 move coerce() from bltinmodule.c to object.c and implement builtin_coerce() differently Guido van Rossum <guido@python.org> parents: 2079 diff changeset	1531 if (v->ob_type->tp_as_number && v->ob_type->tp_as_number->nb_coerce) {
76c860a18d82 move coerce() from bltinmodule.c to object.c and implement builtin_coerce() differently Guido van Rossum <guido@python.org> parents: 2079 diff changeset	1532 res = (*v->ob_type->tp_as_number->nb_coerce)(pv, pw);
76c860a18d82 move coerce() from bltinmodule.c to object.c and implement builtin_coerce() differently Guido van Rossum <guido@python.org> parents: 2079 diff changeset	1533 if (res <= 0)
76c860a18d82 move coerce() from bltinmodule.c to object.c and implement builtin_coerce() differently Guido van Rossum <guido@python.org> parents: 2079 diff changeset	1534 return res;
76c860a18d82 move coerce() from bltinmodule.c to object.c and implement builtin_coerce() differently Guido van Rossum <guido@python.org> parents: 2079 diff changeset	1535 }
76c860a18d82 move coerce() from bltinmodule.c to object.c and implement builtin_coerce() differently Guido van Rossum <guido@python.org> parents: 2079 diff changeset	1536 if (w->ob_type->tp_as_number && w->ob_type->tp_as_number->nb_coerce) {
76c860a18d82 move coerce() from bltinmodule.c to object.c and implement builtin_coerce() differently Guido van Rossum <guido@python.org> parents: 2079 diff changeset	1537 res = (*w->ob_type->tp_as_number->nb_coerce)(pw, pv);
76c860a18d82 move coerce() from bltinmodule.c to object.c and implement builtin_coerce() differently Guido van Rossum <guido@python.org> parents: 2079 diff changeset	1538 if (res <= 0)
76c860a18d82 move coerce() from bltinmodule.c to object.c and implement builtin_coerce() differently Guido van Rossum <guido@python.org> parents: 2079 diff changeset	1539 return res;
76c860a18d82 move coerce() from bltinmodule.c to object.c and implement builtin_coerce() differently Guido van Rossum <guido@python.org> parents: 2079 diff changeset	1540 }
6597 b88fd3894d5a Add a new function PyNumber_CoerceEx() which works just like Guido van Rossum <guido@python.org> parents: 5981 diff changeset	1541 return 1;
b88fd3894d5a Add a new function PyNumber_CoerceEx() which works just like Guido van Rossum <guido@python.org> parents: 5981 diff changeset	1542 }
b88fd3894d5a Add a new function PyNumber_CoerceEx() which works just like Guido van Rossum <guido@python.org> parents: 5981 diff changeset	1543
15941 5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	1544 /* Coerce two numeric types to the "larger" one.
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	1545 Increment the reference count on each argument.
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	1546 Return -1 and raise an exception if no coercion is possible
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	1547 (and then no reference count is incremented).
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	1548 */
6597 b88fd3894d5a Add a new function PyNumber_CoerceEx() which works just like Guido van Rossum <guido@python.org> parents: 5981 diff changeset	1549 int
13473 31b1f691a7d9 ANSI-fication of the sources. Fred Drake <fdrake@acm.org> parents: 13447 diff changeset	1550 PyNumber_Coerce(PyObject pv, PyObject pw)
6597 b88fd3894d5a Add a new function PyNumber_CoerceEx() which works just like Guido van Rossum <guido@python.org> parents: 5981 diff changeset	1551 {
b88fd3894d5a Add a new function PyNumber_CoerceEx() which works just like Guido van Rossum <guido@python.org> parents: 5981 diff changeset	1552 int err = PyNumber_CoerceEx(pv, pw);
b88fd3894d5a Add a new function PyNumber_CoerceEx() which works just like Guido van Rossum <guido@python.org> parents: 5981 diff changeset	1553 if (err <= 0)
b88fd3894d5a Add a new function PyNumber_CoerceEx() which works just like Guido van Rossum <guido@python.org> parents: 5981 diff changeset	1554 return err;
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5006 diff changeset	1555 PyErr_SetString(PyExc_TypeError, "number coercion failed");
2113 76c860a18d82 move coerce() from bltinmodule.c to object.c and implement builtin_coerce() differently Guido van Rossum <guido@python.org> parents: 2079 diff changeset	1556 return -1;
76c860a18d82 move coerce() from bltinmodule.c to object.c and implement builtin_coerce() differently Guido van Rossum <guido@python.org> parents: 2079 diff changeset	1557 }
76c860a18d82 move coerce() from bltinmodule.c to object.c and implement builtin_coerce() differently Guido van Rossum <guido@python.org> parents: 2079 diff changeset	1558
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	1559
2237 0b0b18d655d2 move callable() here Guido van Rossum <guido@python.org> parents: 2160 diff changeset	1560 /* Test whether an object can be called */
0b0b18d655d2 move callable() here Guido van Rossum <guido@python.org> parents: 2160 diff changeset	1561
0b0b18d655d2 move callable() here Guido van Rossum <guido@python.org> parents: 2160 diff changeset	1562 int
13473 31b1f691a7d9 ANSI-fication of the sources. Fred Drake <fdrake@acm.org> parents: 13447 diff changeset	1563 PyCallable_Check(PyObject *x)
2237 0b0b18d655d2 move callable() here Guido van Rossum <guido@python.org> parents: 2160 diff changeset	1564 {
0b0b18d655d2 move callable() here Guido van Rossum <guido@python.org> parents: 2160 diff changeset	1565 if (x == NULL)
0b0b18d655d2 move callable() here Guido van Rossum <guido@python.org> parents: 2160 diff changeset	1566 return 0;
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5006 diff changeset	1567 if (PyInstance_Check(x)) {
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5006 diff changeset	1568 PyObject *call = PyObject_GetAttrString(x, "__call__");
2237 0b0b18d655d2 move callable() here Guido van Rossum <guido@python.org> parents: 2160 diff changeset	1569 if (call == NULL) {
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5006 diff changeset	1570 PyErr_Clear();
2237 0b0b18d655d2 move callable() here Guido van Rossum <guido@python.org> parents: 2160 diff changeset	1571 return 0;
0b0b18d655d2 move callable() here Guido van Rossum <guido@python.org> parents: 2160 diff changeset	1572 }
0b0b18d655d2 move callable() here Guido van Rossum <guido@python.org> parents: 2160 diff changeset	1573 /* Could test recursively but don't, for fear of endless
0b0b18d655d2 move callable() here Guido van Rossum <guido@python.org> parents: 2160 diff changeset	1574 recursion if some joker sets self.__call__ = self */
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5006 diff changeset	1575 Py_DECREF(call);
2237 0b0b18d655d2 move callable() here Guido van Rossum <guido@python.org> parents: 2160 diff changeset	1576 return 1;
0b0b18d655d2 move callable() here Guido van Rossum <guido@python.org> parents: 2160 diff changeset	1577 }
18933 09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1578 else {
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1579 return x->ob_type->tp_call != NULL;
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1580 }
2237 0b0b18d655d2 move callable() here Guido van Rossum <guido@python.org> parents: 2160 diff changeset	1581 }
0b0b18d655d2 move callable() here Guido van Rossum <guido@python.org> parents: 2160 diff changeset	1582
41125 717bc2a4eee7 Backport from Py3k branch: Georg Brandl <georg@python.org> parents: 39487 diff changeset	1583 /* ------------------------- PyObject_Dir() helpers ------------------------- */
717bc2a4eee7 Backport from Py3k branch: Georg Brandl <georg@python.org> parents: 39487 diff changeset	1584
19705 b7f6fbc087a7 At Guido's suggestion, here's a new C API function, PyObject_Dir(), like Tim Peters <tim.peters@gmail.com> parents: 19633 diff changeset	1585 /* Helper for PyObject_Dir.
b7f6fbc087a7 At Guido's suggestion, here's a new C API function, PyObject_Dir(), like Tim Peters <tim.peters@gmail.com> parents: 19633 diff changeset	1586 Merge the __dict__ of aclass into dict, and recursively also all
b7f6fbc087a7 At Guido's suggestion, here's a new C API function, PyObject_Dir(), like Tim Peters <tim.peters@gmail.com> parents: 19633 diff changeset	1587 the __dict__s of aclass's base classes. The order of merging isn't
b7f6fbc087a7 At Guido's suggestion, here's a new C API function, PyObject_Dir(), like Tim Peters <tim.peters@gmail.com> parents: 19633 diff changeset	1588 defined, as it's expected that only the final set of dict keys is
b7f6fbc087a7 At Guido's suggestion, here's a new C API function, PyObject_Dir(), like Tim Peters <tim.peters@gmail.com> parents: 19633 diff changeset	1589 interesting.
b7f6fbc087a7 At Guido's suggestion, here's a new C API function, PyObject_Dir(), like Tim Peters <tim.peters@gmail.com> parents: 19633 diff changeset	1590 Return 0 on success, -1 on error.
b7f6fbc087a7 At Guido's suggestion, here's a new C API function, PyObject_Dir(), like Tim Peters <tim.peters@gmail.com> parents: 19633 diff changeset	1591 */
b7f6fbc087a7 At Guido's suggestion, here's a new C API function, PyObject_Dir(), like Tim Peters <tim.peters@gmail.com> parents: 19633 diff changeset	1592
b7f6fbc087a7 At Guido's suggestion, here's a new C API function, PyObject_Dir(), like Tim Peters <tim.peters@gmail.com> parents: 19633 diff changeset	1593 static int
b7f6fbc087a7 At Guido's suggestion, here's a new C API function, PyObject_Dir(), like Tim Peters <tim.peters@gmail.com> parents: 19633 diff changeset	1594 merge_class_dict(PyObject* dict, PyObject* aclass)
b7f6fbc087a7 At Guido's suggestion, here's a new C API function, PyObject_Dir(), like Tim Peters <tim.peters@gmail.com> parents: 19633 diff changeset	1595 {
b7f6fbc087a7 At Guido's suggestion, here's a new C API function, PyObject_Dir(), like Tim Peters <tim.peters@gmail.com> parents: 19633 diff changeset	1596 PyObject *classdict;
b7f6fbc087a7 At Guido's suggestion, here's a new C API function, PyObject_Dir(), like Tim Peters <tim.peters@gmail.com> parents: 19633 diff changeset	1597 PyObject *bases;
b7f6fbc087a7 At Guido's suggestion, here's a new C API function, PyObject_Dir(), like Tim Peters <tim.peters@gmail.com> parents: 19633 diff changeset	1598
b7f6fbc087a7 At Guido's suggestion, here's a new C API function, PyObject_Dir(), like Tim Peters <tim.peters@gmail.com> parents: 19633 diff changeset	1599 assert(PyDict_Check(dict));
b7f6fbc087a7 At Guido's suggestion, here's a new C API function, PyObject_Dir(), like Tim Peters <tim.peters@gmail.com> parents: 19633 diff changeset	1600 assert(aclass);
b7f6fbc087a7 At Guido's suggestion, here's a new C API function, PyObject_Dir(), like Tim Peters <tim.peters@gmail.com> parents: 19633 diff changeset	1601
b7f6fbc087a7 At Guido's suggestion, here's a new C API function, PyObject_Dir(), like Tim Peters <tim.peters@gmail.com> parents: 19633 diff changeset	1602 /* Merge in the type's dict (if any). */
b7f6fbc087a7 At Guido's suggestion, here's a new C API function, PyObject_Dir(), like Tim Peters <tim.peters@gmail.com> parents: 19633 diff changeset	1603 classdict = PyObject_GetAttrString(aclass, "__dict__");
b7f6fbc087a7 At Guido's suggestion, here's a new C API function, PyObject_Dir(), like Tim Peters <tim.peters@gmail.com> parents: 19633 diff changeset	1604 if (classdict == NULL)
b7f6fbc087a7 At Guido's suggestion, here's a new C API function, PyObject_Dir(), like Tim Peters <tim.peters@gmail.com> parents: 19633 diff changeset	1605 PyErr_Clear();
b7f6fbc087a7 At Guido's suggestion, here's a new C API function, PyObject_Dir(), like Tim Peters <tim.peters@gmail.com> parents: 19633 diff changeset	1606 else {
b7f6fbc087a7 At Guido's suggestion, here's a new C API function, PyObject_Dir(), like Tim Peters <tim.peters@gmail.com> parents: 19633 diff changeset	1607 int status = PyDict_Update(dict, classdict);
b7f6fbc087a7 At Guido's suggestion, here's a new C API function, PyObject_Dir(), like Tim Peters <tim.peters@gmail.com> parents: 19633 diff changeset	1608 Py_DECREF(classdict);
b7f6fbc087a7 At Guido's suggestion, here's a new C API function, PyObject_Dir(), like Tim Peters <tim.peters@gmail.com> parents: 19633 diff changeset	1609 if (status < 0)
b7f6fbc087a7 At Guido's suggestion, here's a new C API function, PyObject_Dir(), like Tim Peters <tim.peters@gmail.com> parents: 19633 diff changeset	1610 return -1;
b7f6fbc087a7 At Guido's suggestion, here's a new C API function, PyObject_Dir(), like Tim Peters <tim.peters@gmail.com> parents: 19633 diff changeset	1611 }
b7f6fbc087a7 At Guido's suggestion, here's a new C API function, PyObject_Dir(), like Tim Peters <tim.peters@gmail.com> parents: 19633 diff changeset	1612
b7f6fbc087a7 At Guido's suggestion, here's a new C API function, PyObject_Dir(), like Tim Peters <tim.peters@gmail.com> parents: 19633 diff changeset	1613 /* Recursively merge in the base types' (if any) dicts. */
b7f6fbc087a7 At Guido's suggestion, here's a new C API function, PyObject_Dir(), like Tim Peters <tim.peters@gmail.com> parents: 19633 diff changeset	1614 bases = PyObject_GetAttrString(aclass, "__bases__");
19931 c327a8ac9f2b merge_class_dict(): Clear the error if __bases__ doesn't exist. Tim Peters <tim.peters@gmail.com> parents: 19906 diff changeset	1615 if (bases == NULL)
c327a8ac9f2b merge_class_dict(): Clear the error if __bases__ doesn't exist. Tim Peters <tim.peters@gmail.com> parents: 19906 diff changeset	1616 PyErr_Clear();
c327a8ac9f2b merge_class_dict(): Clear the error if __bases__ doesn't exist. Tim Peters <tim.peters@gmail.com> parents: 19906 diff changeset	1617 else {
23436 f9d5e1fb2aa6 Jim Fulton reported a segfault in dir(). A heavily proxied object Guido van Rossum <guido@python.org> parents: 23282 diff changeset	1618 /* We have no guarantee that bases is a real tuple */
36501 7fdc639bc5b4 Merge ssize_t branch. Martin v. Löwis <martin@v.loewis.de> parents: 35999 diff changeset	1619 Py_ssize_t i, n;
23436 f9d5e1fb2aa6 Jim Fulton reported a segfault in dir(). A heavily proxied object Guido van Rossum <guido@python.org> parents: 23282 diff changeset	1620 n = PySequence_Size(bases); /* This better be right */
f9d5e1fb2aa6 Jim Fulton reported a segfault in dir(). A heavily proxied object Guido van Rossum <guido@python.org> parents: 23282 diff changeset	1621 if (n < 0)
f9d5e1fb2aa6 Jim Fulton reported a segfault in dir(). A heavily proxied object Guido van Rossum <guido@python.org> parents: 23282 diff changeset	1622 PyErr_Clear();
f9d5e1fb2aa6 Jim Fulton reported a segfault in dir(). A heavily proxied object Guido van Rossum <guido@python.org> parents: 23282 diff changeset	1623 else {
f9d5e1fb2aa6 Jim Fulton reported a segfault in dir(). A heavily proxied object Guido van Rossum <guido@python.org> parents: 23282 diff changeset	1624 for (i = 0; i < n; i++) {
27702 84f2c438c3f5 SF bug 681122: Built-in function dir() causes refcount leak in baseclasses. Tim Peters <tim.peters@gmail.com> parents: 27314 diff changeset	1625 int status;
23436 f9d5e1fb2aa6 Jim Fulton reported a segfault in dir(). A heavily proxied object Guido van Rossum <guido@python.org> parents: 23282 diff changeset	1626 PyObject *base = PySequence_GetItem(bases, i);
f9d5e1fb2aa6 Jim Fulton reported a segfault in dir(). A heavily proxied object Guido van Rossum <guido@python.org> parents: 23282 diff changeset	1627 if (base == NULL) {
f9d5e1fb2aa6 Jim Fulton reported a segfault in dir(). A heavily proxied object Guido van Rossum <guido@python.org> parents: 23282 diff changeset	1628 Py_DECREF(bases);
f9d5e1fb2aa6 Jim Fulton reported a segfault in dir(). A heavily proxied object Guido van Rossum <guido@python.org> parents: 23282 diff changeset	1629 return -1;
f9d5e1fb2aa6 Jim Fulton reported a segfault in dir(). A heavily proxied object Guido van Rossum <guido@python.org> parents: 23282 diff changeset	1630 }
27702 84f2c438c3f5 SF bug 681122: Built-in function dir() causes refcount leak in baseclasses. Tim Peters <tim.peters@gmail.com> parents: 27314 diff changeset	1631 status = merge_class_dict(dict, base);
84f2c438c3f5 SF bug 681122: Built-in function dir() causes refcount leak in baseclasses. Tim Peters <tim.peters@gmail.com> parents: 27314 diff changeset	1632 Py_DECREF(base);
84f2c438c3f5 SF bug 681122: Built-in function dir() causes refcount leak in baseclasses. Tim Peters <tim.peters@gmail.com> parents: 27314 diff changeset	1633 if (status < 0) {
23436 f9d5e1fb2aa6 Jim Fulton reported a segfault in dir(). A heavily proxied object Guido van Rossum <guido@python.org> parents: 23282 diff changeset	1634 Py_DECREF(bases);
f9d5e1fb2aa6 Jim Fulton reported a segfault in dir(). A heavily proxied object Guido van Rossum <guido@python.org> parents: 23282 diff changeset	1635 return -1;
f9d5e1fb2aa6 Jim Fulton reported a segfault in dir(). A heavily proxied object Guido van Rossum <guido@python.org> parents: 23282 diff changeset	1636 }
19705 b7f6fbc087a7 At Guido's suggestion, here's a new C API function, PyObject_Dir(), like Tim Peters <tim.peters@gmail.com> parents: 19633 diff changeset	1637 }
b7f6fbc087a7 At Guido's suggestion, here's a new C API function, PyObject_Dir(), like Tim Peters <tim.peters@gmail.com> parents: 19633 diff changeset	1638 }
b7f6fbc087a7 At Guido's suggestion, here's a new C API function, PyObject_Dir(), like Tim Peters <tim.peters@gmail.com> parents: 19633 diff changeset	1639 Py_DECREF(bases);
b7f6fbc087a7 At Guido's suggestion, here's a new C API function, PyObject_Dir(), like Tim Peters <tim.peters@gmail.com> parents: 19633 diff changeset	1640 }
b7f6fbc087a7 At Guido's suggestion, here's a new C API function, PyObject_Dir(), like Tim Peters <tim.peters@gmail.com> parents: 19633 diff changeset	1641 return 0;
b7f6fbc087a7 At Guido's suggestion, here's a new C API function, PyObject_Dir(), like Tim Peters <tim.peters@gmail.com> parents: 19633 diff changeset	1642 }
b7f6fbc087a7 At Guido's suggestion, here's a new C API function, PyObject_Dir(), like Tim Peters <tim.peters@gmail.com> parents: 19633 diff changeset	1643
19932 621ed13445de PyObject_Dir(): Merge in __members__ and __methods__ too (if they exist, Tim Peters <tim.peters@gmail.com> parents: 19931 diff changeset	1644 /* Helper for PyObject_Dir.
621ed13445de PyObject_Dir(): Merge in __members__ and __methods__ too (if they exist, Tim Peters <tim.peters@gmail.com> parents: 19931 diff changeset	1645 If obj has an attr named attrname that's a list, merge its string
621ed13445de PyObject_Dir(): Merge in __members__ and __methods__ too (if they exist, Tim Peters <tim.peters@gmail.com> parents: 19931 diff changeset	1646 elements into keys of dict.
621ed13445de PyObject_Dir(): Merge in __members__ and __methods__ too (if they exist, Tim Peters <tim.peters@gmail.com> parents: 19931 diff changeset	1647 Return 0 on success, -1 on error. Errors due to not finding the attr,
621ed13445de PyObject_Dir(): Merge in __members__ and __methods__ too (if they exist, Tim Peters <tim.peters@gmail.com> parents: 19931 diff changeset	1648 or the attr not being a list, are suppressed.
621ed13445de PyObject_Dir(): Merge in __members__ and __methods__ too (if they exist, Tim Peters <tim.peters@gmail.com> parents: 19931 diff changeset	1649 */
621ed13445de PyObject_Dir(): Merge in __members__ and __methods__ too (if they exist, Tim Peters <tim.peters@gmail.com> parents: 19931 diff changeset	1650
621ed13445de PyObject_Dir(): Merge in __members__ and __methods__ too (if they exist, Tim Peters <tim.peters@gmail.com> parents: 19931 diff changeset	1651 static int
35999 9541369b0dca Add const to several API functions that take char . Jeremy Hylton <jeremy@alum.mit.edu>* parents: 35331 diff changeset	1652 merge_list_attr(PyObject* dict, PyObject* obj, const char *attrname)
19932 621ed13445de PyObject_Dir(): Merge in __members__ and __methods__ too (if they exist, Tim Peters <tim.peters@gmail.com> parents: 19931 diff changeset	1653 {
621ed13445de PyObject_Dir(): Merge in __members__ and __methods__ too (if they exist, Tim Peters <tim.peters@gmail.com> parents: 19931 diff changeset	1654 PyObject *list;
621ed13445de PyObject_Dir(): Merge in __members__ and __methods__ too (if they exist, Tim Peters <tim.peters@gmail.com> parents: 19931 diff changeset	1655 int result = 0;
621ed13445de PyObject_Dir(): Merge in __members__ and __methods__ too (if they exist, Tim Peters <tim.peters@gmail.com> parents: 19931 diff changeset	1656
621ed13445de PyObject_Dir(): Merge in __members__ and __methods__ too (if they exist, Tim Peters <tim.peters@gmail.com> parents: 19931 diff changeset	1657 assert(PyDict_Check(dict));
621ed13445de PyObject_Dir(): Merge in __members__ and __methods__ too (if they exist, Tim Peters <tim.peters@gmail.com> parents: 19931 diff changeset	1658 assert(obj);
621ed13445de PyObject_Dir(): Merge in __members__ and __methods__ too (if they exist, Tim Peters <tim.peters@gmail.com> parents: 19931 diff changeset	1659 assert(attrname);
621ed13445de PyObject_Dir(): Merge in __members__ and __methods__ too (if they exist, Tim Peters <tim.peters@gmail.com> parents: 19931 diff changeset	1660
621ed13445de PyObject_Dir(): Merge in __members__ and __methods__ too (if they exist, Tim Peters <tim.peters@gmail.com> parents: 19931 diff changeset	1661 list = PyObject_GetAttrString(obj, attrname);
621ed13445de PyObject_Dir(): Merge in __members__ and __methods__ too (if they exist, Tim Peters <tim.peters@gmail.com> parents: 19931 diff changeset	1662 if (list == NULL)
621ed13445de PyObject_Dir(): Merge in __members__ and __methods__ too (if they exist, Tim Peters <tim.peters@gmail.com> parents: 19931 diff changeset	1663 PyErr_Clear();
621ed13445de PyObject_Dir(): Merge in __members__ and __methods__ too (if they exist, Tim Peters <tim.peters@gmail.com> parents: 19931 diff changeset	1664
621ed13445de PyObject_Dir(): Merge in __members__ and __methods__ too (if they exist, Tim Peters <tim.peters@gmail.com> parents: 19931 diff changeset	1665 else if (PyList_Check(list)) {
621ed13445de PyObject_Dir(): Merge in __members__ and __methods__ too (if they exist, Tim Peters <tim.peters@gmail.com> parents: 19931 diff changeset	1666 int i;
621ed13445de PyObject_Dir(): Merge in __members__ and __methods__ too (if they exist, Tim Peters <tim.peters@gmail.com> parents: 19931 diff changeset	1667 for (i = 0; i < PyList_GET_SIZE(list); ++i) {
621ed13445de PyObject_Dir(): Merge in __members__ and __methods__ too (if they exist, Tim Peters <tim.peters@gmail.com> parents: 19931 diff changeset	1668 PyObject *item = PyList_GET_ITEM(list, i);
621ed13445de PyObject_Dir(): Merge in __members__ and __methods__ too (if they exist, Tim Peters <tim.peters@gmail.com> parents: 19931 diff changeset	1669 if (PyString_Check(item)) {
621ed13445de PyObject_Dir(): Merge in __members__ and __methods__ too (if they exist, Tim Peters <tim.peters@gmail.com> parents: 19931 diff changeset	1670 result = PyDict_SetItem(dict, item, Py_None);
621ed13445de PyObject_Dir(): Merge in __members__ and __methods__ too (if they exist, Tim Peters <tim.peters@gmail.com> parents: 19931 diff changeset	1671 if (result < 0)
621ed13445de PyObject_Dir(): Merge in __members__ and __methods__ too (if they exist, Tim Peters <tim.peters@gmail.com> parents: 19931 diff changeset	1672 break;
621ed13445de PyObject_Dir(): Merge in __members__ and __methods__ too (if they exist, Tim Peters <tim.peters@gmail.com> parents: 19931 diff changeset	1673 }
621ed13445de PyObject_Dir(): Merge in __members__ and __methods__ too (if they exist, Tim Peters <tim.peters@gmail.com> parents: 19931 diff changeset	1674 }
621ed13445de PyObject_Dir(): Merge in __members__ and __methods__ too (if they exist, Tim Peters <tim.peters@gmail.com> parents: 19931 diff changeset	1675 }
621ed13445de PyObject_Dir(): Merge in __members__ and __methods__ too (if they exist, Tim Peters <tim.peters@gmail.com> parents: 19931 diff changeset	1676
621ed13445de PyObject_Dir(): Merge in __members__ and __methods__ too (if they exist, Tim Peters <tim.peters@gmail.com> parents: 19931 diff changeset	1677 Py_XDECREF(list);
621ed13445de PyObject_Dir(): Merge in __members__ and __methods__ too (if they exist, Tim Peters <tim.peters@gmail.com> parents: 19931 diff changeset	1678 return result;
621ed13445de PyObject_Dir(): Merge in __members__ and __methods__ too (if they exist, Tim Peters <tim.peters@gmail.com> parents: 19931 diff changeset	1679 }
621ed13445de PyObject_Dir(): Merge in __members__ and __methods__ too (if they exist, Tim Peters <tim.peters@gmail.com> parents: 19931 diff changeset	1680
41125 717bc2a4eee7 Backport from Py3k branch: Georg Brandl <georg@python.org> parents: 39487 diff changeset	1681 /* Helper for PyObject_Dir without arguments: returns the local scope. */
717bc2a4eee7 Backport from Py3k branch: Georg Brandl <georg@python.org> parents: 39487 diff changeset	1682 static PyObject *
41214 d1ba8134528e Remove warning: funcion declaration isn't a prototype Jeremy Hylton <jeremy@alum.mit.edu> parents: 41140 diff changeset	1683 _dir_locals(void)
19705 b7f6fbc087a7 At Guido's suggestion, here's a new C API function, PyObject_Dir(), like Tim Peters <tim.peters@gmail.com> parents: 19633 diff changeset	1684 {
41125 717bc2a4eee7 Backport from Py3k branch: Georg Brandl <georg@python.org> parents: 39487 diff changeset	1685 PyObject *names;
717bc2a4eee7 Backport from Py3k branch: Georg Brandl <georg@python.org> parents: 39487 diff changeset	1686 PyObject *locals = PyEval_GetLocals();
19705 b7f6fbc087a7 At Guido's suggestion, here's a new C API function, PyObject_Dir(), like Tim Peters <tim.peters@gmail.com> parents: 19633 diff changeset	1687
41125 717bc2a4eee7 Backport from Py3k branch: Georg Brandl <georg@python.org> parents: 39487 diff changeset	1688 if (locals == NULL) {
717bc2a4eee7 Backport from Py3k branch: Georg Brandl <georg@python.org> parents: 39487 diff changeset	1689 PyErr_SetString(PyExc_SystemError, "frame does not exist");
717bc2a4eee7 Backport from Py3k branch: Georg Brandl <georg@python.org> parents: 39487 diff changeset	1690 return NULL;
19705 b7f6fbc087a7 At Guido's suggestion, here's a new C API function, PyObject_Dir(), like Tim Peters <tim.peters@gmail.com> parents: 19633 diff changeset	1691 }
b7f6fbc087a7 At Guido's suggestion, here's a new C API function, PyObject_Dir(), like Tim Peters <tim.peters@gmail.com> parents: 19633 diff changeset	1692
41125 717bc2a4eee7 Backport from Py3k branch: Georg Brandl <georg@python.org> parents: 39487 diff changeset	1693 names = PyMapping_Keys(locals);
717bc2a4eee7 Backport from Py3k branch: Georg Brandl <georg@python.org> parents: 39487 diff changeset	1694 if (!names)
717bc2a4eee7 Backport from Py3k branch: Georg Brandl <georg@python.org> parents: 39487 diff changeset	1695 return NULL;
717bc2a4eee7 Backport from Py3k branch: Georg Brandl <georg@python.org> parents: 39487 diff changeset	1696 if (!PyList_Check(names)) {
717bc2a4eee7 Backport from Py3k branch: Georg Brandl <georg@python.org> parents: 39487 diff changeset	1697 PyErr_Format(PyExc_TypeError,
717bc2a4eee7 Backport from Py3k branch: Georg Brandl <georg@python.org> parents: 39487 diff changeset	1698 "dir(): expected keys() of locals to be a list, "
44350 26384b8180c7 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT. Macros for b/w compatibility are available. Christian Heimes <christian@cheimes.de> parents: 43958 diff changeset	1699 "not '%.200s'", Py_TYPE(names)->tp_name);
41125 717bc2a4eee7 Backport from Py3k branch: Georg Brandl <georg@python.org> parents: 39487 diff changeset	1700 Py_DECREF(names);
717bc2a4eee7 Backport from Py3k branch: Georg Brandl <georg@python.org> parents: 39487 diff changeset	1701 return NULL;
717bc2a4eee7 Backport from Py3k branch: Georg Brandl <georg@python.org> parents: 39487 diff changeset	1702 }
717bc2a4eee7 Backport from Py3k branch: Georg Brandl <georg@python.org> parents: 39487 diff changeset	1703 /* the locals don't need to be DECREF'd */
717bc2a4eee7 Backport from Py3k branch: Georg Brandl <georg@python.org> parents: 39487 diff changeset	1704 return names;
717bc2a4eee7 Backport from Py3k branch: Georg Brandl <georg@python.org> parents: 39487 diff changeset	1705 }
717bc2a4eee7 Backport from Py3k branch: Georg Brandl <georg@python.org> parents: 39487 diff changeset	1706
717bc2a4eee7 Backport from Py3k branch: Georg Brandl <georg@python.org> parents: 39487 diff changeset	1707 /* Helper for PyObject_Dir of type objects: returns __dict__ and __bases__.
717bc2a4eee7 Backport from Py3k branch: Georg Brandl <georg@python.org> parents: 39487 diff changeset	1708 We deliberately don't suck up its __class__, as methods belonging to the
717bc2a4eee7 Backport from Py3k branch: Georg Brandl <georg@python.org> parents: 39487 diff changeset	1709 metaclass would probably be more confusing than helpful.
717bc2a4eee7 Backport from Py3k branch: Georg Brandl <georg@python.org> parents: 39487 diff changeset	1710 */
717bc2a4eee7 Backport from Py3k branch: Georg Brandl <georg@python.org> parents: 39487 diff changeset	1711 static PyObject *
717bc2a4eee7 Backport from Py3k branch: Georg Brandl <georg@python.org> parents: 39487 diff changeset	1712 _specialized_dir_type(PyObject *obj)
717bc2a4eee7 Backport from Py3k branch: Georg Brandl <georg@python.org> parents: 39487 diff changeset	1713 {
717bc2a4eee7 Backport from Py3k branch: Georg Brandl <georg@python.org> parents: 39487 diff changeset	1714 PyObject *result = NULL;
717bc2a4eee7 Backport from Py3k branch: Georg Brandl <georg@python.org> parents: 39487 diff changeset	1715 PyObject *dict = PyDict_New();
717bc2a4eee7 Backport from Py3k branch: Georg Brandl <georg@python.org> parents: 39487 diff changeset	1716
717bc2a4eee7 Backport from Py3k branch: Georg Brandl <georg@python.org> parents: 39487 diff changeset	1717 if (dict != NULL && merge_class_dict(dict, obj) == 0)
717bc2a4eee7 Backport from Py3k branch: Georg Brandl <georg@python.org> parents: 39487 diff changeset	1718 result = PyDict_Keys(dict);
717bc2a4eee7 Backport from Py3k branch: Georg Brandl <georg@python.org> parents: 39487 diff changeset	1719
717bc2a4eee7 Backport from Py3k branch: Georg Brandl <georg@python.org> parents: 39487 diff changeset	1720 Py_XDECREF(dict);
717bc2a4eee7 Backport from Py3k branch: Georg Brandl <georg@python.org> parents: 39487 diff changeset	1721 return result;
717bc2a4eee7 Backport from Py3k branch: Georg Brandl <georg@python.org> parents: 39487 diff changeset	1722 }
717bc2a4eee7 Backport from Py3k branch: Georg Brandl <georg@python.org> parents: 39487 diff changeset	1723
717bc2a4eee7 Backport from Py3k branch: Georg Brandl <georg@python.org> parents: 39487 diff changeset	1724 /* Helper for PyObject_Dir of module objects: returns the module's __dict__. */
717bc2a4eee7 Backport from Py3k branch: Georg Brandl <georg@python.org> parents: 39487 diff changeset	1725 static PyObject *
717bc2a4eee7 Backport from Py3k branch: Georg Brandl <georg@python.org> parents: 39487 diff changeset	1726 _specialized_dir_module(PyObject *obj)
717bc2a4eee7 Backport from Py3k branch: Georg Brandl <georg@python.org> parents: 39487 diff changeset	1727 {
717bc2a4eee7 Backport from Py3k branch: Georg Brandl <georg@python.org> parents: 39487 diff changeset	1728 PyObject *result = NULL;
717bc2a4eee7 Backport from Py3k branch: Georg Brandl <georg@python.org> parents: 39487 diff changeset	1729 PyObject *dict = PyObject_GetAttrString(obj, "__dict__");
717bc2a4eee7 Backport from Py3k branch: Georg Brandl <georg@python.org> parents: 39487 diff changeset	1730
717bc2a4eee7 Backport from Py3k branch: Georg Brandl <georg@python.org> parents: 39487 diff changeset	1731 if (dict != NULL) {
717bc2a4eee7 Backport from Py3k branch: Georg Brandl <georg@python.org> parents: 39487 diff changeset	1732 if (PyDict_Check(dict))
717bc2a4eee7 Backport from Py3k branch: Georg Brandl <georg@python.org> parents: 39487 diff changeset	1733 result = PyDict_Keys(dict);
717bc2a4eee7 Backport from Py3k branch: Georg Brandl <georg@python.org> parents: 39487 diff changeset	1734 else {
717bc2a4eee7 Backport from Py3k branch: Georg Brandl <georg@python.org> parents: 39487 diff changeset	1735 PyErr_Format(PyExc_TypeError,
717bc2a4eee7 Backport from Py3k branch: Georg Brandl <georg@python.org> parents: 39487 diff changeset	1736 "%.200s.__dict__ is not a dictionary",
717bc2a4eee7 Backport from Py3k branch: Georg Brandl <georg@python.org> parents: 39487 diff changeset	1737 PyModule_GetName(obj));
19833 f44606b242c5 PyObject_Dir(): Guido van Rossum <guido@python.org> parents: 19705 diff changeset	1738 }
19705 b7f6fbc087a7 At Guido's suggestion, here's a new C API function, PyObject_Dir(), like Tim Peters <tim.peters@gmail.com> parents: 19633 diff changeset	1739 }
b7f6fbc087a7 At Guido's suggestion, here's a new C API function, PyObject_Dir(), like Tim Peters <tim.peters@gmail.com> parents: 19633 diff changeset	1740
41125 717bc2a4eee7 Backport from Py3k branch: Georg Brandl <georg@python.org> parents: 39487 diff changeset	1741 Py_XDECREF(dict);
717bc2a4eee7 Backport from Py3k branch: Georg Brandl <georg@python.org> parents: 39487 diff changeset	1742 return result;
717bc2a4eee7 Backport from Py3k branch: Georg Brandl <georg@python.org> parents: 39487 diff changeset	1743 }
717bc2a4eee7 Backport from Py3k branch: Georg Brandl <georg@python.org> parents: 39487 diff changeset	1744
717bc2a4eee7 Backport from Py3k branch: Georg Brandl <georg@python.org> parents: 39487 diff changeset	1745 /* Helper for PyObject_Dir of generic objects: returns __dict__, __class__,
717bc2a4eee7 Backport from Py3k branch: Georg Brandl <georg@python.org> parents: 39487 diff changeset	1746 and recursively up the __class__.__bases__ chain.
717bc2a4eee7 Backport from Py3k branch: Georg Brandl <georg@python.org> parents: 39487 diff changeset	1747 */
717bc2a4eee7 Backport from Py3k branch: Georg Brandl <georg@python.org> parents: 39487 diff changeset	1748 static PyObject *
717bc2a4eee7 Backport from Py3k branch: Georg Brandl <georg@python.org> parents: 39487 diff changeset	1749 _generic_dir(PyObject *obj)
717bc2a4eee7 Backport from Py3k branch: Georg Brandl <georg@python.org> parents: 39487 diff changeset	1750 {
717bc2a4eee7 Backport from Py3k branch: Georg Brandl <georg@python.org> parents: 39487 diff changeset	1751 PyObject *result = NULL;
717bc2a4eee7 Backport from Py3k branch: Georg Brandl <georg@python.org> parents: 39487 diff changeset	1752 PyObject *dict = NULL;
717bc2a4eee7 Backport from Py3k branch: Georg Brandl <georg@python.org> parents: 39487 diff changeset	1753 PyObject *itsclass = NULL;
717bc2a4eee7 Backport from Py3k branch: Georg Brandl <georg@python.org> parents: 39487 diff changeset	1754
717bc2a4eee7 Backport from Py3k branch: Georg Brandl <georg@python.org> parents: 39487 diff changeset	1755 /* Get __dict__ (which may or may not be a real dict...) */
717bc2a4eee7 Backport from Py3k branch: Georg Brandl <georg@python.org> parents: 39487 diff changeset	1756 dict = PyObject_GetAttrString(obj, "__dict__");
717bc2a4eee7 Backport from Py3k branch: Georg Brandl <georg@python.org> parents: 39487 diff changeset	1757 if (dict == NULL) {
717bc2a4eee7 Backport from Py3k branch: Georg Brandl <georg@python.org> parents: 39487 diff changeset	1758 PyErr_Clear();
717bc2a4eee7 Backport from Py3k branch: Georg Brandl <georg@python.org> parents: 39487 diff changeset	1759 dict = PyDict_New();
717bc2a4eee7 Backport from Py3k branch: Georg Brandl <georg@python.org> parents: 39487 diff changeset	1760 }
717bc2a4eee7 Backport from Py3k branch: Georg Brandl <georg@python.org> parents: 39487 diff changeset	1761 else if (!PyDict_Check(dict)) {
717bc2a4eee7 Backport from Py3k branch: Georg Brandl <georg@python.org> parents: 39487 diff changeset	1762 Py_DECREF(dict);
717bc2a4eee7 Backport from Py3k branch: Georg Brandl <georg@python.org> parents: 39487 diff changeset	1763 dict = PyDict_New();
717bc2a4eee7 Backport from Py3k branch: Georg Brandl <georg@python.org> parents: 39487 diff changeset	1764 }
717bc2a4eee7 Backport from Py3k branch: Georg Brandl <georg@python.org> parents: 39487 diff changeset	1765 else {
717bc2a4eee7 Backport from Py3k branch: Georg Brandl <georg@python.org> parents: 39487 diff changeset	1766 /* Copy __dict__ to avoid mutating it. */
717bc2a4eee7 Backport from Py3k branch: Georg Brandl <georg@python.org> parents: 39487 diff changeset	1767 PyObject *temp = PyDict_Copy(dict);
717bc2a4eee7 Backport from Py3k branch: Georg Brandl <georg@python.org> parents: 39487 diff changeset	1768 Py_DECREF(dict);
717bc2a4eee7 Backport from Py3k branch: Georg Brandl <georg@python.org> parents: 39487 diff changeset	1769 dict = temp;
717bc2a4eee7 Backport from Py3k branch: Georg Brandl <georg@python.org> parents: 39487 diff changeset	1770 }
717bc2a4eee7 Backport from Py3k branch: Georg Brandl <georg@python.org> parents: 39487 diff changeset	1771
717bc2a4eee7 Backport from Py3k branch: Georg Brandl <georg@python.org> parents: 39487 diff changeset	1772 if (dict == NULL)
717bc2a4eee7 Backport from Py3k branch: Georg Brandl <georg@python.org> parents: 39487 diff changeset	1773 goto error;
717bc2a4eee7 Backport from Py3k branch: Georg Brandl <georg@python.org> parents: 39487 diff changeset	1774
717bc2a4eee7 Backport from Py3k branch: Georg Brandl <georg@python.org> parents: 39487 diff changeset	1775 /* Merge in __members__ and __methods__ (if any).
717bc2a4eee7 Backport from Py3k branch: Georg Brandl <georg@python.org> parents: 39487 diff changeset	1776 * This is removed in Python 3000. */
717bc2a4eee7 Backport from Py3k branch: Georg Brandl <georg@python.org> parents: 39487 diff changeset	1777 if (merge_list_attr(dict, obj, "__members__") < 0)
717bc2a4eee7 Backport from Py3k branch: Georg Brandl <georg@python.org> parents: 39487 diff changeset	1778 goto error;
717bc2a4eee7 Backport from Py3k branch: Georg Brandl <georg@python.org> parents: 39487 diff changeset	1779 if (merge_list_attr(dict, obj, "__methods__") < 0)
717bc2a4eee7 Backport from Py3k branch: Georg Brandl <georg@python.org> parents: 39487 diff changeset	1780 goto error;
717bc2a4eee7 Backport from Py3k branch: Georg Brandl <georg@python.org> parents: 39487 diff changeset	1781
717bc2a4eee7 Backport from Py3k branch: Georg Brandl <georg@python.org> parents: 39487 diff changeset	1782 /* Merge in attrs reachable from its class. */
717bc2a4eee7 Backport from Py3k branch: Georg Brandl <georg@python.org> parents: 39487 diff changeset	1783 itsclass = PyObject_GetAttrString(obj, "__class__");
717bc2a4eee7 Backport from Py3k branch: Georg Brandl <georg@python.org> parents: 39487 diff changeset	1784 if (itsclass == NULL)
717bc2a4eee7 Backport from Py3k branch: Georg Brandl <georg@python.org> parents: 39487 diff changeset	1785 /* XXX(tomer): Perhaps fall back to obj->ob_type if no
717bc2a4eee7 Backport from Py3k branch: Georg Brandl <georg@python.org> parents: 39487 diff changeset	1786 __class__ exists? */
717bc2a4eee7 Backport from Py3k branch: Georg Brandl <georg@python.org> parents: 39487 diff changeset	1787 PyErr_Clear();
717bc2a4eee7 Backport from Py3k branch: Georg Brandl <georg@python.org> parents: 39487 diff changeset	1788 else {
717bc2a4eee7 Backport from Py3k branch: Georg Brandl <georg@python.org> parents: 39487 diff changeset	1789 if (merge_class_dict(dict, itsclass) != 0)
19705 b7f6fbc087a7 At Guido's suggestion, here's a new C API function, PyObject_Dir(), like Tim Peters <tim.peters@gmail.com> parents: 19633 diff changeset	1790 goto error;
b7f6fbc087a7 At Guido's suggestion, here's a new C API function, PyObject_Dir(), like Tim Peters <tim.peters@gmail.com> parents: 19633 diff changeset	1791 }
b7f6fbc087a7 At Guido's suggestion, here's a new C API function, PyObject_Dir(), like Tim Peters <tim.peters@gmail.com> parents: 19633 diff changeset	1792
41125 717bc2a4eee7 Backport from Py3k branch: Georg Brandl <georg@python.org> parents: 39487 diff changeset	1793 result = PyDict_Keys(dict);
717bc2a4eee7 Backport from Py3k branch: Georg Brandl <georg@python.org> parents: 39487 diff changeset	1794 /* fall through */
717bc2a4eee7 Backport from Py3k branch: Georg Brandl <georg@python.org> parents: 39487 diff changeset	1795 error:
717bc2a4eee7 Backport from Py3k branch: Georg Brandl <georg@python.org> parents: 39487 diff changeset	1796 Py_XDECREF(itsclass);
717bc2a4eee7 Backport from Py3k branch: Georg Brandl <georg@python.org> parents: 39487 diff changeset	1797 Py_XDECREF(dict);
717bc2a4eee7 Backport from Py3k branch: Georg Brandl <georg@python.org> parents: 39487 diff changeset	1798 return result;
717bc2a4eee7 Backport from Py3k branch: Georg Brandl <georg@python.org> parents: 39487 diff changeset	1799 }
717bc2a4eee7 Backport from Py3k branch: Georg Brandl <georg@python.org> parents: 39487 diff changeset	1800
717bc2a4eee7 Backport from Py3k branch: Georg Brandl <georg@python.org> parents: 39487 diff changeset	1801 /* Helper for PyObject_Dir: object introspection.
717bc2a4eee7 Backport from Py3k branch: Georg Brandl <georg@python.org> parents: 39487 diff changeset	1802 This calls one of the above specialized versions if no __dir__ method
717bc2a4eee7 Backport from Py3k branch: Georg Brandl <georg@python.org> parents: 39487 diff changeset	1803 exists. */
717bc2a4eee7 Backport from Py3k branch: Georg Brandl <georg@python.org> parents: 39487 diff changeset	1804 static PyObject *
717bc2a4eee7 Backport from Py3k branch: Georg Brandl <georg@python.org> parents: 39487 diff changeset	1805 _dir_object(PyObject *obj)
717bc2a4eee7 Backport from Py3k branch: Georg Brandl <georg@python.org> parents: 39487 diff changeset	1806 {
41140 7286d832ad27 Typo and grammar fixes. Georg Brandl <georg@python.org> parents: 41125 diff changeset	1807 PyObject *result = NULL;
7286d832ad27 Typo and grammar fixes. Georg Brandl <georg@python.org> parents: 41125 diff changeset	1808 PyObject dirfunc = PyObject_GetAttrString((PyObject )obj->ob_type,
7286d832ad27 Typo and grammar fixes. Georg Brandl <georg@python.org> parents: 41125 diff changeset	1809 "__dir__");
41125 717bc2a4eee7 Backport from Py3k branch: Georg Brandl <georg@python.org> parents: 39487 diff changeset	1810
717bc2a4eee7 Backport from Py3k branch: Georg Brandl <georg@python.org> parents: 39487 diff changeset	1811 assert(obj);
717bc2a4eee7 Backport from Py3k branch: Georg Brandl <georg@python.org> parents: 39487 diff changeset	1812 if (dirfunc == NULL) {
717bc2a4eee7 Backport from Py3k branch: Georg Brandl <georg@python.org> parents: 39487 diff changeset	1813 /* use default implementation */
717bc2a4eee7 Backport from Py3k branch: Georg Brandl <georg@python.org> parents: 39487 diff changeset	1814 PyErr_Clear();
717bc2a4eee7 Backport from Py3k branch: Georg Brandl <georg@python.org> parents: 39487 diff changeset	1815 if (PyModule_Check(obj))
717bc2a4eee7 Backport from Py3k branch: Georg Brandl <georg@python.org> parents: 39487 diff changeset	1816 result = _specialized_dir_module(obj);
717bc2a4eee7 Backport from Py3k branch: Georg Brandl <georg@python.org> parents: 39487 diff changeset	1817 else if (PyType_Check(obj) \|\| PyClass_Check(obj))
717bc2a4eee7 Backport from Py3k branch: Georg Brandl <georg@python.org> parents: 39487 diff changeset	1818 result = _specialized_dir_type(obj);
717bc2a4eee7 Backport from Py3k branch: Georg Brandl <georg@python.org> parents: 39487 diff changeset	1819 else
717bc2a4eee7 Backport from Py3k branch: Georg Brandl <georg@python.org> parents: 39487 diff changeset	1820 result = _generic_dir(obj);
717bc2a4eee7 Backport from Py3k branch: Georg Brandl <georg@python.org> parents: 39487 diff changeset	1821 }
19705 b7f6fbc087a7 At Guido's suggestion, here's a new C API function, PyObject_Dir(), like Tim Peters <tim.peters@gmail.com> parents: 19633 diff changeset	1822 else {
41125 717bc2a4eee7 Backport from Py3k branch: Georg Brandl <georg@python.org> parents: 39487 diff changeset	1823 /* use __dir__ */
717bc2a4eee7 Backport from Py3k branch: Georg Brandl <georg@python.org> parents: 39487 diff changeset	1824 result = PyObject_CallFunctionObjArgs(dirfunc, obj, NULL);
717bc2a4eee7 Backport from Py3k branch: Georg Brandl <georg@python.org> parents: 39487 diff changeset	1825 Py_DECREF(dirfunc);
717bc2a4eee7 Backport from Py3k branch: Georg Brandl <georg@python.org> parents: 39487 diff changeset	1826 if (result == NULL)
717bc2a4eee7 Backport from Py3k branch: Georg Brandl <georg@python.org> parents: 39487 diff changeset	1827 return NULL;
19705 b7f6fbc087a7 At Guido's suggestion, here's a new C API function, PyObject_Dir(), like Tim Peters <tim.peters@gmail.com> parents: 19633 diff changeset	1828
41125 717bc2a4eee7 Backport from Py3k branch: Georg Brandl <georg@python.org> parents: 39487 diff changeset	1829 /* result must be a list */
717bc2a4eee7 Backport from Py3k branch: Georg Brandl <georg@python.org> parents: 39487 diff changeset	1830 /* XXX(gbrandl): could also check if all items are strings */
717bc2a4eee7 Backport from Py3k branch: Georg Brandl <georg@python.org> parents: 39487 diff changeset	1831 if (!PyList_Check(result)) {
717bc2a4eee7 Backport from Py3k branch: Georg Brandl <georg@python.org> parents: 39487 diff changeset	1832 PyErr_Format(PyExc_TypeError,
717bc2a4eee7 Backport from Py3k branch: Georg Brandl <georg@python.org> parents: 39487 diff changeset	1833 "__dir__() must return a list, not %.200s",
44350 26384b8180c7 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT. Macros for b/w compatibility are available. Christian Heimes <christian@cheimes.de> parents: 43958 diff changeset	1834 Py_TYPE(result)->tp_name);
41125 717bc2a4eee7 Backport from Py3k branch: Georg Brandl <georg@python.org> parents: 39487 diff changeset	1835 Py_DECREF(result);
717bc2a4eee7 Backport from Py3k branch: Georg Brandl <georg@python.org> parents: 39487 diff changeset	1836 result = NULL;
19705 b7f6fbc087a7 At Guido's suggestion, here's a new C API function, PyObject_Dir(), like Tim Peters <tim.peters@gmail.com> parents: 19633 diff changeset	1837 }
b7f6fbc087a7 At Guido's suggestion, here's a new C API function, PyObject_Dir(), like Tim Peters <tim.peters@gmail.com> parents: 19633 diff changeset	1838 }
b7f6fbc087a7 At Guido's suggestion, here's a new C API function, PyObject_Dir(), like Tim Peters <tim.peters@gmail.com> parents: 19633 diff changeset	1839
41125 717bc2a4eee7 Backport from Py3k branch: Georg Brandl <georg@python.org> parents: 39487 diff changeset	1840 return result;
717bc2a4eee7 Backport from Py3k branch: Georg Brandl <georg@python.org> parents: 39487 diff changeset	1841 }
717bc2a4eee7 Backport from Py3k branch: Georg Brandl <georg@python.org> parents: 39487 diff changeset	1842
717bc2a4eee7 Backport from Py3k branch: Georg Brandl <georg@python.org> parents: 39487 diff changeset	1843 /* Implementation of dir() -- if obj is NULL, returns the names in the current
717bc2a4eee7 Backport from Py3k branch: Georg Brandl <georg@python.org> parents: 39487 diff changeset	1844 (local) scope. Otherwise, performs introspection of the object: returns a
717bc2a4eee7 Backport from Py3k branch: Georg Brandl <georg@python.org> parents: 39487 diff changeset	1845 sorted list of attribute names (supposedly) accessible from the object
717bc2a4eee7 Backport from Py3k branch: Georg Brandl <georg@python.org> parents: 39487 diff changeset	1846 */
717bc2a4eee7 Backport from Py3k branch: Georg Brandl <georg@python.org> parents: 39487 diff changeset	1847 PyObject *
717bc2a4eee7 Backport from Py3k branch: Georg Brandl <georg@python.org> parents: 39487 diff changeset	1848 PyObject_Dir(PyObject *obj)
717bc2a4eee7 Backport from Py3k branch: Georg Brandl <georg@python.org> parents: 39487 diff changeset	1849 {
717bc2a4eee7 Backport from Py3k branch: Georg Brandl <georg@python.org> parents: 39487 diff changeset	1850 PyObject * result;
19705 b7f6fbc087a7 At Guido's suggestion, here's a new C API function, PyObject_Dir(), like Tim Peters <tim.peters@gmail.com> parents: 19633 diff changeset	1851
41125 717bc2a4eee7 Backport from Py3k branch: Georg Brandl <georg@python.org> parents: 39487 diff changeset	1852 if (obj == NULL)
717bc2a4eee7 Backport from Py3k branch: Georg Brandl <georg@python.org> parents: 39487 diff changeset	1853 /* no object -- introspect the locals */
717bc2a4eee7 Backport from Py3k branch: Georg Brandl <georg@python.org> parents: 39487 diff changeset	1854 result = _dir_locals();
717bc2a4eee7 Backport from Py3k branch: Georg Brandl <georg@python.org> parents: 39487 diff changeset	1855 else
717bc2a4eee7 Backport from Py3k branch: Georg Brandl <georg@python.org> parents: 39487 diff changeset	1856 /* object -- introspect the object */
717bc2a4eee7 Backport from Py3k branch: Georg Brandl <georg@python.org> parents: 39487 diff changeset	1857 result = _dir_object(obj);
717bc2a4eee7 Backport from Py3k branch: Georg Brandl <georg@python.org> parents: 39487 diff changeset	1858
717bc2a4eee7 Backport from Py3k branch: Georg Brandl <georg@python.org> parents: 39487 diff changeset	1859 assert(result == NULL \|\| PyList_Check(result));
717bc2a4eee7 Backport from Py3k branch: Georg Brandl <georg@python.org> parents: 39487 diff changeset	1860
717bc2a4eee7 Backport from Py3k branch: Georg Brandl <georg@python.org> parents: 39487 diff changeset	1861 if (result != NULL && PyList_Sort(result) != 0) {
717bc2a4eee7 Backport from Py3k branch: Georg Brandl <georg@python.org> parents: 39487 diff changeset	1862 /* sorting the list failed */
717bc2a4eee7 Backport from Py3k branch: Georg Brandl <georg@python.org> parents: 39487 diff changeset	1863 Py_DECREF(result);
717bc2a4eee7 Backport from Py3k branch: Georg Brandl <georg@python.org> parents: 39487 diff changeset	1864 result = NULL;
32981 50c122bc7aac SF bug #1004669: Type returned from .keys() is not checked Raymond Hettinger <python@rcn.com> parents: 32531 diff changeset	1865 }
41125 717bc2a4eee7 Backport from Py3k branch: Georg Brandl <georg@python.org> parents: 39487 diff changeset	1866
19705 b7f6fbc087a7 At Guido's suggestion, here's a new C API function, PyObject_Dir(), like Tim Peters <tim.peters@gmail.com> parents: 19633 diff changeset	1867 return result;
b7f6fbc087a7 At Guido's suggestion, here's a new C API function, PyObject_Dir(), like Tim Peters <tim.peters@gmail.com> parents: 19633 diff changeset	1868 }
2237 0b0b18d655d2 move callable() here Guido van Rossum <guido@python.org> parents: 2160 diff changeset	1869
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	1870 /*
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	1871 NoObject is usable as a non-NULL undefined value, used by the macro None.
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	1872 There is (and should be!) no way to create other objects of this type,
86 a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: 58 diff changeset	1873 so there is exactly one (which is indestructible, by the way).
19294 1456ec735087 Add a function _Py_ReadyTypes() which initializes various and sundry Guido van Rossum <guido@python.org> parents: 19293 diff changeset	1874 (XXX This type and the type of NotImplemented below should be unified.)
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	1875 */
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	1876
739 ab1b3486b226 Fix lint bug Guido van Rossum <guido@python.org> parents: 512 diff changeset	1877 /* ARGSUSED */
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5006 diff changeset	1878 static PyObject *
13473 31b1f691a7d9 ANSI-fication of the sources. Fred Drake <fdrake@acm.org> parents: 13447 diff changeset	1879 none_repr(PyObject *op)
86 a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: 58 diff changeset	1880 {
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5006 diff changeset	1881 return PyString_FromString("None");
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	1882 }
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	1883
16165 0a72070eab6e A few miscellaneous helpers. Barry Warsaw <barry@python.org> parents: 16123 diff changeset	1884 /* ARGUSED */
0a72070eab6e A few miscellaneous helpers. Barry Warsaw <barry@python.org> parents: 16123 diff changeset	1885 static void
24122 d332484e394a Trashcan cleanup: Now that cyclic gc is always there, the trashcan Tim Peters <tim.peters@gmail.com> parents: 24121 diff changeset	1886 none_dealloc(PyObject* ignore)
16165 0a72070eab6e A few miscellaneous helpers. Barry Warsaw <barry@python.org> parents: 16123 diff changeset	1887 {
0a72070eab6e A few miscellaneous helpers. Barry Warsaw <barry@python.org> parents: 16123 diff changeset	1888 /* This should never get called, but we also don't want to SEGV if
0a72070eab6e A few miscellaneous helpers. Barry Warsaw <barry@python.org> parents: 16123 diff changeset	1889 * we accidently decref None out of existance.
0a72070eab6e A few miscellaneous helpers. Barry Warsaw <barry@python.org> parents: 16123 diff changeset	1890 */
24644 7ba3e5fbaad8 Replace abort with Py_FatalError. Martin v. Löwis <martin@v.loewis.de> parents: 24420 diff changeset	1891 Py_FatalError("deallocating None");
16165 0a72070eab6e A few miscellaneous helpers. Barry Warsaw <barry@python.org> parents: 16123 diff changeset	1892 }
0a72070eab6e A few miscellaneous helpers. Barry Warsaw <barry@python.org> parents: 16123 diff changeset	1893
0a72070eab6e A few miscellaneous helpers. Barry Warsaw <barry@python.org> parents: 16123 diff changeset	1894
19294 1456ec735087 Add a function _Py_ReadyTypes() which initializes various and sundry Guido van Rossum <guido@python.org> parents: 19293 diff changeset	1895 static PyTypeObject PyNone_Type = {
42333 6620a510e9a9 PEP 3123: Provide forward compatibility with Python 3.0, while keeping Martin v. Löwis <martin@v.loewis.de> parents: 41832 diff changeset	1896 PyVarObject_HEAD_INIT(&PyType_Type, 0)
19294 1456ec735087 Add a function _Py_ReadyTypes() which initializes various and sundry Guido van Rossum <guido@python.org> parents: 19293 diff changeset	1897 "NoneType",
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	1898 0,
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	1899 0,
37304 79a0f080f898 Remove unnecessary casts in type object initializers. Georg Brandl <georg@python.org> parents: 37300 diff changeset	1900 none_dealloc, /tp_dealloc/ /never called/
1051 f54e64c8b9b7 * Makefile: added IMGFILE; moved some stuff around. Guido van Rossum <guido@python.org> parents: 1017 diff changeset	1901 0, /tp_print/
86 a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: 58 diff changeset	1902 0, /tp_getattr/
a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: 58 diff changeset	1903 0, /tp_setattr/
a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: 58 diff changeset	1904 0, /tp_compare/
37304 79a0f080f898 Remove unnecessary casts in type object initializers. Georg Brandl <georg@python.org> parents: 37300 diff changeset	1905 none_repr, /tp_repr/
86 a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: 58 diff changeset	1906 0, /tp_as_number/
a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: 58 diff changeset	1907 0, /tp_as_sequence/
a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: 58 diff changeset	1908 0, /tp_as_mapping/
43958 103b7f955036 Backport of _abccoll.py by Benjamin Arangueren, issue 1383. Guido van Rossum <guido@python.org> parents: 43451 diff changeset	1909 (hashfunc)_Py_HashPointer, /tp_hash /
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	1910 };
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	1911
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5006 diff changeset	1912 PyObject _Py_NoneStruct = {
42333 6620a510e9a9 PEP 3123: Provide forward compatibility with Python 3.0, while keeping Martin v. Löwis <martin@v.loewis.de> parents: 41832 diff changeset	1913 _PyObject_EXTRA_INIT
6620a510e9a9 PEP 3123: Provide forward compatibility with Python 3.0, while keeping Martin v. Löwis <martin@v.loewis.de> parents: 41832 diff changeset	1914 1, &PyNone_Type
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	1915 };
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	1916
15726 db9f1893be01 Changes for PEP 208. PyObject_Compare has been rewritten. Instances no Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 15318 diff changeset	1917 /* NotImplemented is an object that can be used to signal that an
db9f1893be01 Changes for PEP 208. PyObject_Compare has been rewritten. Instances no Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 15318 diff changeset	1918 operation is not implemented for the given type combination. */
db9f1893be01 Changes for PEP 208. PyObject_Compare has been rewritten. Instances no Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 15318 diff changeset	1919
db9f1893be01 Changes for PEP 208. PyObject_Compare has been rewritten. Instances no Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 15318 diff changeset	1920 static PyObject *
db9f1893be01 Changes for PEP 208. PyObject_Compare has been rewritten. Instances no Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 15318 diff changeset	1921 NotImplemented_repr(PyObject *op)
db9f1893be01 Changes for PEP 208. PyObject_Compare has been rewritten. Instances no Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 15318 diff changeset	1922 {
db9f1893be01 Changes for PEP 208. PyObject_Compare has been rewritten. Instances no Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 15318 diff changeset	1923 return PyString_FromString("NotImplemented");
db9f1893be01 Changes for PEP 208. PyObject_Compare has been rewritten. Instances no Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 15318 diff changeset	1924 }
db9f1893be01 Changes for PEP 208. PyObject_Compare has been rewritten. Instances no Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 15318 diff changeset	1925
db9f1893be01 Changes for PEP 208. PyObject_Compare has been rewritten. Instances no Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 15318 diff changeset	1926 static PyTypeObject PyNotImplemented_Type = {
42333 6620a510e9a9 PEP 3123: Provide forward compatibility with Python 3.0, while keeping Martin v. Löwis <martin@v.loewis.de> parents: 41832 diff changeset	1927 PyVarObject_HEAD_INIT(&PyType_Type, 0)
19294 1456ec735087 Add a function _Py_ReadyTypes() which initializes various and sundry Guido van Rossum <guido@python.org> parents: 19293 diff changeset	1928 "NotImplementedType",
15726 db9f1893be01 Changes for PEP 208. PyObject_Compare has been rewritten. Instances no Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 15318 diff changeset	1929 0,
db9f1893be01 Changes for PEP 208. PyObject_Compare has been rewritten. Instances no Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 15318 diff changeset	1930 0,
37304 79a0f080f898 Remove unnecessary casts in type object initializers. Georg Brandl <georg@python.org> parents: 37300 diff changeset	1931 none_dealloc, /tp_dealloc/ /never called/
15726 db9f1893be01 Changes for PEP 208. PyObject_Compare has been rewritten. Instances no Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 15318 diff changeset	1932 0, /tp_print/
db9f1893be01 Changes for PEP 208. PyObject_Compare has been rewritten. Instances no Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 15318 diff changeset	1933 0, /tp_getattr/
db9f1893be01 Changes for PEP 208. PyObject_Compare has been rewritten. Instances no Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 15318 diff changeset	1934 0, /tp_setattr/
db9f1893be01 Changes for PEP 208. PyObject_Compare has been rewritten. Instances no Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 15318 diff changeset	1935 0, /tp_compare/
37304 79a0f080f898 Remove unnecessary casts in type object initializers. Georg Brandl <georg@python.org> parents: 37300 diff changeset	1936 NotImplemented_repr, /tp_repr/
15726 db9f1893be01 Changes for PEP 208. PyObject_Compare has been rewritten. Instances no Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 15318 diff changeset	1937 0, /tp_as_number/
db9f1893be01 Changes for PEP 208. PyObject_Compare has been rewritten. Instances no Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 15318 diff changeset	1938 0, /tp_as_sequence/
db9f1893be01 Changes for PEP 208. PyObject_Compare has been rewritten. Instances no Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 15318 diff changeset	1939 0, /tp_as_mapping/
db9f1893be01 Changes for PEP 208. PyObject_Compare has been rewritten. Instances no Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 15318 diff changeset	1940 0, /tp_hash /
db9f1893be01 Changes for PEP 208. PyObject_Compare has been rewritten. Instances no Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 15318 diff changeset	1941 };
db9f1893be01 Changes for PEP 208. PyObject_Compare has been rewritten. Instances no Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 15318 diff changeset	1942
db9f1893be01 Changes for PEP 208. PyObject_Compare has been rewritten. Instances no Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 15318 diff changeset	1943 PyObject _Py_NotImplementedStruct = {
42333 6620a510e9a9 PEP 3123: Provide forward compatibility with Python 3.0, while keeping Martin v. Löwis <martin@v.loewis.de> parents: 41832 diff changeset	1944 _PyObject_EXTRA_INIT
6620a510e9a9 PEP 3123: Provide forward compatibility with Python 3.0, while keeping Martin v. Löwis <martin@v.loewis.de> parents: 41832 diff changeset	1945 1, &PyNotImplemented_Type
15726 db9f1893be01 Changes for PEP 208. PyObject_Compare has been rewritten. Instances no Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 15318 diff changeset	1946 };
db9f1893be01 Changes for PEP 208. PyObject_Compare has been rewritten. Instances no Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 15318 diff changeset	1947
19294 1456ec735087 Add a function _Py_ReadyTypes() which initializes various and sundry Guido van Rossum <guido@python.org> parents: 19293 diff changeset	1948 void
1456ec735087 Add a function _Py_ReadyTypes() which initializes various and sundry Guido van Rossum <guido@python.org> parents: 19293 diff changeset	1949 _Py_ReadyTypes(void)
1456ec735087 Add a function _Py_ReadyTypes() which initializes various and sundry Guido van Rossum <guido@python.org> parents: 19293 diff changeset	1950 {
1456ec735087 Add a function _Py_ReadyTypes() which initializes various and sundry Guido van Rossum <guido@python.org> parents: 19293 diff changeset	1951 if (PyType_Ready(&PyType_Type) < 0)
1456ec735087 Add a function _Py_ReadyTypes() which initializes various and sundry Guido van Rossum <guido@python.org> parents: 19293 diff changeset	1952 Py_FatalError("Can't initialize 'type'");
1456ec735087 Add a function _Py_ReadyTypes() which initializes various and sundry Guido van Rossum <guido@python.org> parents: 19293 diff changeset	1953
32472 4383db77b19a Make weak references subclassable: Fred Drake <fdrake@acm.org> parents: 32463 diff changeset	1954 if (PyType_Ready(&_PyWeakref_RefType) < 0)
4383db77b19a Make weak references subclassable: Fred Drake <fdrake@acm.org> parents: 32463 diff changeset	1955 Py_FatalError("Can't initialize 'weakref'");
4383db77b19a Make weak references subclassable: Fred Drake <fdrake@acm.org> parents: 32463 diff changeset	1956
22785 aa8d59823add Add the 'bool' type and its values 'False' and 'True', as described in Guido van Rossum <guido@python.org> parents: 22649 diff changeset	1957 if (PyType_Ready(&PyBool_Type) < 0)
aa8d59823add Add the 'bool' type and its values 'False' and 'True', as described in Guido van Rossum <guido@python.org> parents: 22649 diff changeset	1958 Py_FatalError("Can't initialize 'bool'");
aa8d59823add Add the 'bool' type and its values 'False' and 'True', as described in Guido van Rossum <guido@python.org> parents: 22649 diff changeset	1959
23542 220b98f06415 - A new type object, 'string', is added. This is a common base type Guido van Rossum <guido@python.org> parents: 23436 diff changeset	1960 if (PyType_Ready(&PyString_Type) < 0)
220b98f06415 - A new type object, 'string', is added. This is a common base type Guido van Rossum <guido@python.org> parents: 23436 diff changeset	1961 Py_FatalError("Can't initialize 'str'");
220b98f06415 - A new type object, 'string', is added. This is a common base type Guido van Rossum <guido@python.org> parents: 23436 diff changeset	1962
19294 1456ec735087 Add a function _Py_ReadyTypes() which initializes various and sundry Guido van Rossum <guido@python.org> parents: 19293 diff changeset	1963 if (PyType_Ready(&PyList_Type) < 0)
1456ec735087 Add a function _Py_ReadyTypes() which initializes various and sundry Guido van Rossum <guido@python.org> parents: 19293 diff changeset	1964 Py_FatalError("Can't initialize 'list'");
1456ec735087 Add a function _Py_ReadyTypes() which initializes various and sundry Guido van Rossum <guido@python.org> parents: 19293 diff changeset	1965
1456ec735087 Add a function _Py_ReadyTypes() which initializes various and sundry Guido van Rossum <guido@python.org> parents: 19293 diff changeset	1966 if (PyType_Ready(&PyNone_Type) < 0)
1456ec735087 Add a function _Py_ReadyTypes() which initializes various and sundry Guido van Rossum <guido@python.org> parents: 19293 diff changeset	1967 Py_FatalError("Can't initialize type(None)");
1456ec735087 Add a function _Py_ReadyTypes() which initializes various and sundry Guido van Rossum <guido@python.org> parents: 19293 diff changeset	1968
1456ec735087 Add a function _Py_ReadyTypes() which initializes various and sundry Guido van Rossum <guido@python.org> parents: 19293 diff changeset	1969 if (PyType_Ready(&PyNotImplemented_Type) < 0)
1456ec735087 Add a function _Py_ReadyTypes() which initializes various and sundry Guido van Rossum <guido@python.org> parents: 19293 diff changeset	1970 Py_FatalError("Can't initialize type(NotImplemented)");
1456ec735087 Add a function _Py_ReadyTypes() which initializes various and sundry Guido van Rossum <guido@python.org> parents: 19293 diff changeset	1971 }
1456ec735087 Add a function _Py_ReadyTypes() which initializes various and sundry Guido van Rossum <guido@python.org> parents: 19293 diff changeset	1972
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	1973
3574 1ec154241747 TRACE_REFS -> Py_TRACE_REFS. Guido van Rossum <guido@python.org> parents: 3330 diff changeset	1974 #ifdef Py_TRACE_REFS
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	1975
4002 4241582636ad Define reference count admin debug functions to return void. Guido van Rossum <guido@python.org> parents: 3986 diff changeset	1976 void
13473 31b1f691a7d9 ANSI-fication of the sources. Fred Drake <fdrake@acm.org> parents: 13447 diff changeset	1977 _Py_NewReference(PyObject *op)
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	1978 {
24184 c4dcb80f48ea object.h special-build macro minefield: renamed all the new lexical Tim Peters <tim.peters@gmail.com> parents: 24155 diff changeset	1979 _Py_INC_REFTOTAL;
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	1980 op->ob_refcnt = 1;
28396 d56282c28a1e Improved new Py_TRACE_REFS gimmicks. Tim Peters <tim.peters@gmail.com> parents: 28389 diff changeset	1981 _Py_AddToAllObjects(op, 1);
24184 c4dcb80f48ea object.h special-build macro minefield: renamed all the new lexical Tim Peters <tim.peters@gmail.com> parents: 24155 diff changeset	1982 _Py_INC_TPALLOCS(op);
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	1983 }
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	1984
4002 4241582636ad Define reference count admin debug functions to return void. Guido van Rossum <guido@python.org> parents: 3986 diff changeset	1985 void
13473 31b1f691a7d9 ANSI-fication of the sources. Fred Drake <fdrake@acm.org> parents: 13447 diff changeset	1986 _Py_ForgetReference(register PyObject *op)
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	1987 {
11673 5e6e9e893acd The rest of the changes by Trent Mick and Dale Nagata for warning-free Guido van Rossum <guido@python.org> parents: 11649 diff changeset	1988 #ifdef SLOW_UNREF_CHECK
11969 74b7213fb609 Many changes for Unicode, by Marc-Andre Lemburg. Guido van Rossum <guido@python.org> parents: 11673 diff changeset	1989 register PyObject *p;
11673 5e6e9e893acd The rest of the changes by Trent Mick and Dale Nagata for warning-free Guido van Rossum <guido@python.org> parents: 11649 diff changeset	1990 #endif
2053 de49d49044d7 Lots of minor changes. Note for mappingobject.c: the hash table pointer Guido van Rossum <guido@python.org> parents: 1869 diff changeset	1991 if (op->ob_refcnt < 0)
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5006 diff changeset	1992 Py_FatalError("UNREF negative refcnt");
1017 cb7ef9bd9ede If a type has a repr function but no print function, printing it now Guido van Rossum <guido@python.org> parents: 795 diff changeset	1993 if (op == &refchain \|\|
2053 de49d49044d7 Lots of minor changes. Note for mappingobject.c: the hash table pointer Guido van Rossum <guido@python.org> parents: 1869 diff changeset	1994 op->_ob_prev->_ob_next != op \|\| op->_ob_next->_ob_prev != op)
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5006 diff changeset	1995 Py_FatalError("UNREF invalid object");
1017 cb7ef9bd9ede If a type has a repr function but no print function, printing it now Guido van Rossum <guido@python.org> parents: 795 diff changeset	1996 #ifdef SLOW_UNREF_CHECK
86 a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: 58 diff changeset	1997 for (p = refchain._ob_next; p != &refchain; p = p->_ob_next) {
a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: 58 diff changeset	1998 if (p == op)
a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: 58 diff changeset	1999 break;
a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: 58 diff changeset	2000 }
2053 de49d49044d7 Lots of minor changes. Note for mappingobject.c: the hash table pointer Guido van Rossum <guido@python.org> parents: 1869 diff changeset	2001 if (p == &refchain) /* Not found */
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5006 diff changeset	2002 Py_FatalError("UNREF unknown object");
1017 cb7ef9bd9ede If a type has a repr function but no print function, printing it now Guido van Rossum <guido@python.org> parents: 795 diff changeset	2003 #endif
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	2004 op->_ob_next->_ob_prev = op->_ob_prev;
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	2005 op->_ob_prev->_ob_next = op->_ob_next;
1017 cb7ef9bd9ede If a type has a repr function but no print function, printing it now Guido van Rossum <guido@python.org> parents: 795 diff changeset	2006 op->_ob_next = op->_ob_prev = NULL;
24184 c4dcb80f48ea object.h special-build macro minefield: renamed all the new lexical Tim Peters <tim.peters@gmail.com> parents: 24155 diff changeset	2007 _Py_INC_TPFREES(op);
86 a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: 58 diff changeset	2008 }
a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: 58 diff changeset	2009
4002 4241582636ad Define reference count admin debug functions to return void. Guido van Rossum <guido@python.org> parents: 3986 diff changeset	2010 void
13473 31b1f691a7d9 ANSI-fication of the sources. Fred Drake <fdrake@acm.org> parents: 13447 diff changeset	2011 _Py_Dealloc(PyObject *op)
86 a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: 58 diff changeset	2012 {
44350 26384b8180c7 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT. Macros for b/w compatibility are available. Christian Heimes <christian@cheimes.de> parents: 43958 diff changeset	2013 destructor dealloc = Py_TYPE(op)->tp_dealloc;
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5006 diff changeset	2014 _Py_ForgetReference(op);
1869 2cede61e9b1b rearranged code in debugging version of DELREF to avoid touching data Guido van Rossum <guido@python.org> parents: 1848 diff changeset	2015 (*dealloc)(op);
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	2016 }
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	2017
28653 56006d97bcef _Py_PrintReferences(): Changed to print object address at start of each Tim Peters <tim.peters@gmail.com> parents: 28616 diff changeset	2018 /* Print all live objects. Because PyObject_Print is called, the
56006d97bcef _Py_PrintReferences(): Changed to print object address at start of each Tim Peters <tim.peters@gmail.com> parents: 28616 diff changeset	2019 * interpreter must be in a healthy state.
56006d97bcef _Py_PrintReferences(): Changed to print object address at start of each Tim Peters <tim.peters@gmail.com> parents: 28616 diff changeset	2020 */
4002 4241582636ad Define reference count admin debug functions to return void. Guido van Rossum <guido@python.org> parents: 3986 diff changeset	2021 void
13473 31b1f691a7d9 ANSI-fication of the sources. Fred Drake <fdrake@acm.org> parents: 13447 diff changeset	2022 _Py_PrintReferences(FILE *fp)
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	2023 {
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5006 diff changeset	2024 PyObject *op;
5931 12fe5cc1516d Added _Py_ResetReferences(), if tracing references. Guido van Rossum <guido@python.org> parents: 5610 diff changeset	2025 fprintf(fp, "Remaining objects:\n");
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	2026 for (op = refchain._ob_next; op != &refchain; op = op->_ob_next) {
37609 e60b31647a6b _Py_PrintReferenceAddresses,_Py_PrintReferences: Tim Peters <tim.peters@gmail.com> parents: 37304 diff changeset	2027 fprintf(fp, "%p [%" PY_FORMAT_SIZE_T "d] ", op, op->ob_refcnt);
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5006 diff changeset	2028 if (PyObject_Print(op, fp, 0) != 0)
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5006 diff changeset	2029 PyErr_Clear();
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	2030 putc('\n', fp);
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	2031 }
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	2032 }
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	2033
28653 56006d97bcef _Py_PrintReferences(): Changed to print object address at start of each Tim Peters <tim.peters@gmail.com> parents: 28616 diff changeset	2034 /* Print the addresses of all live objects. Unlike _Py_PrintReferences, this
56006d97bcef _Py_PrintReferences(): Changed to print object address at start of each Tim Peters <tim.peters@gmail.com> parents: 28616 diff changeset	2035 * doesn't make any calls to the Python C API, so is always safe to call.
56006d97bcef _Py_PrintReferences(): Changed to print object address at start of each Tim Peters <tim.peters@gmail.com> parents: 28616 diff changeset	2036 */
56006d97bcef _Py_PrintReferences(): Changed to print object address at start of each Tim Peters <tim.peters@gmail.com> parents: 28616 diff changeset	2037 void
56006d97bcef _Py_PrintReferences(): Changed to print object address at start of each Tim Peters <tim.peters@gmail.com> parents: 28616 diff changeset	2038 _Py_PrintReferenceAddresses(FILE *fp)
56006d97bcef _Py_PrintReferences(): Changed to print object address at start of each Tim Peters <tim.peters@gmail.com> parents: 28616 diff changeset	2039 {
56006d97bcef _Py_PrintReferences(): Changed to print object address at start of each Tim Peters <tim.peters@gmail.com> parents: 28616 diff changeset	2040 PyObject *op;
56006d97bcef _Py_PrintReferences(): Changed to print object address at start of each Tim Peters <tim.peters@gmail.com> parents: 28616 diff changeset	2041 fprintf(fp, "Remaining object addresses:\n");
56006d97bcef _Py_PrintReferences(): Changed to print object address at start of each Tim Peters <tim.peters@gmail.com> parents: 28616 diff changeset	2042 for (op = refchain._ob_next; op != &refchain; op = op->_ob_next)
37609 e60b31647a6b _Py_PrintReferenceAddresses,_Py_PrintReferences: Tim Peters <tim.peters@gmail.com> parents: 37304 diff changeset	2043 fprintf(fp, "%p [%" PY_FORMAT_SIZE_T "d] %s\n", op,
44350 26384b8180c7 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT. Macros for b/w compatibility are available. Christian Heimes <christian@cheimes.de> parents: 43958 diff changeset	2044 op->ob_refcnt, Py_TYPE(op)->tp_name);
28653 56006d97bcef _Py_PrintReferences(): Changed to print object address at start of each Tim Peters <tim.peters@gmail.com> parents: 28616 diff changeset	2045 }
56006d97bcef _Py_PrintReferences(): Changed to print object address at start of each Tim Peters <tim.peters@gmail.com> parents: 28616 diff changeset	2046
3024 54aa87b1ccee Implemented two new functions in sys: Sjoerd Mullender <sjoerd@acm.org> parents: 2827 diff changeset	2047 PyObject *
13473 31b1f691a7d9 ANSI-fication of the sources. Fred Drake <fdrake@acm.org> parents: 13447 diff changeset	2048 _Py_GetObjects(PyObject self, PyObject args)
3024 54aa87b1ccee Implemented two new functions in sys: Sjoerd Mullender <sjoerd@acm.org> parents: 2827 diff changeset	2049 {
54aa87b1ccee Implemented two new functions in sys: Sjoerd Mullender <sjoerd@acm.org> parents: 2827 diff changeset	2050 int i, n;
54aa87b1ccee Implemented two new functions in sys: Sjoerd Mullender <sjoerd@acm.org> parents: 2827 diff changeset	2051 PyObject *t = NULL;
54aa87b1ccee Implemented two new functions in sys: Sjoerd Mullender <sjoerd@acm.org> parents: 2827 diff changeset	2052 PyObject res, op;
54aa87b1ccee Implemented two new functions in sys: Sjoerd Mullender <sjoerd@acm.org> parents: 2827 diff changeset	2053
54aa87b1ccee Implemented two new functions in sys: Sjoerd Mullender <sjoerd@acm.org> parents: 2827 diff changeset	2054 if (!PyArg_ParseTuple(args, "i\|O", &n, &t))
54aa87b1ccee Implemented two new functions in sys: Sjoerd Mullender <sjoerd@acm.org> parents: 2827 diff changeset	2055 return NULL;
54aa87b1ccee Implemented two new functions in sys: Sjoerd Mullender <sjoerd@acm.org> parents: 2827 diff changeset	2056 op = refchain._ob_next;
54aa87b1ccee Implemented two new functions in sys: Sjoerd Mullender <sjoerd@acm.org> parents: 2827 diff changeset	2057 res = PyList_New(0);
54aa87b1ccee Implemented two new functions in sys: Sjoerd Mullender <sjoerd@acm.org> parents: 2827 diff changeset	2058 if (res == NULL)
54aa87b1ccee Implemented two new functions in sys: Sjoerd Mullender <sjoerd@acm.org> parents: 2827 diff changeset	2059 return NULL;
54aa87b1ccee Implemented two new functions in sys: Sjoerd Mullender <sjoerd@acm.org> parents: 2827 diff changeset	2060 for (i = 0; (n == 0 \|\| i < n) && op != &refchain; i++) {
54aa87b1ccee Implemented two new functions in sys: Sjoerd Mullender <sjoerd@acm.org> parents: 2827 diff changeset	2061 while (op == self \|\| op == args \|\| op == res \|\| op == t \|\|
44350 26384b8180c7 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT. Macros for b/w compatibility are available. Christian Heimes <christian@cheimes.de> parents: 43958 diff changeset	2062 (t != NULL && Py_TYPE(op) != (PyTypeObject *) t)) {
3024 54aa87b1ccee Implemented two new functions in sys: Sjoerd Mullender <sjoerd@acm.org> parents: 2827 diff changeset	2063 op = op->_ob_next;
54aa87b1ccee Implemented two new functions in sys: Sjoerd Mullender <sjoerd@acm.org> parents: 2827 diff changeset	2064 if (op == &refchain)
54aa87b1ccee Implemented two new functions in sys: Sjoerd Mullender <sjoerd@acm.org> parents: 2827 diff changeset	2065 return res;
54aa87b1ccee Implemented two new functions in sys: Sjoerd Mullender <sjoerd@acm.org> parents: 2827 diff changeset	2066 }
54aa87b1ccee Implemented two new functions in sys: Sjoerd Mullender <sjoerd@acm.org> parents: 2827 diff changeset	2067 if (PyList_Append(res, op) < 0) {
54aa87b1ccee Implemented two new functions in sys: Sjoerd Mullender <sjoerd@acm.org> parents: 2827 diff changeset	2068 Py_DECREF(res);
54aa87b1ccee Implemented two new functions in sys: Sjoerd Mullender <sjoerd@acm.org> parents: 2827 diff changeset	2069 return NULL;
54aa87b1ccee Implemented two new functions in sys: Sjoerd Mullender <sjoerd@acm.org> parents: 2827 diff changeset	2070 }
54aa87b1ccee Implemented two new functions in sys: Sjoerd Mullender <sjoerd@acm.org> parents: 2827 diff changeset	2071 op = op->_ob_next;
54aa87b1ccee Implemented two new functions in sys: Sjoerd Mullender <sjoerd@acm.org> parents: 2827 diff changeset	2072 }
54aa87b1ccee Implemented two new functions in sys: Sjoerd Mullender <sjoerd@acm.org> parents: 2827 diff changeset	2073 return res;
54aa87b1ccee Implemented two new functions in sys: Sjoerd Mullender <sjoerd@acm.org> parents: 2827 diff changeset	2074 }
54aa87b1ccee Implemented two new functions in sys: Sjoerd Mullender <sjoerd@acm.org> parents: 2827 diff changeset	2075
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	2076 #endif
3330 9f1b6e2db8e0 Hack to force loading of cobject.o Guido van Rossum <guido@python.org> parents: 3024 diff changeset	2077
9f1b6e2db8e0 Hack to force loading of cobject.o Guido van Rossum <guido@python.org> parents: 3024 diff changeset	2078
9f1b6e2db8e0 Hack to force loading of cobject.o Guido van Rossum <guido@python.org> parents: 3024 diff changeset	2079 /* Hack to force loading of cobject.o */
4588 4dc67fdd9e0b Make gcc -Wall happy Guido van Rossum <guido@python.org> parents: 4503 diff changeset	2080 PyTypeObject *_Py_cobject_hack = &PyCObject_Type;
3574 1ec154241747 TRACE_REFS -> Py_TRACE_REFS. Guido van Rossum <guido@python.org> parents: 3330 diff changeset	2081
1ec154241747 TRACE_REFS -> Py_TRACE_REFS. Guido van Rossum <guido@python.org> parents: 3330 diff changeset	2082
1ec154241747 TRACE_REFS -> Py_TRACE_REFS. Guido van Rossum <guido@python.org> parents: 3330 diff changeset	2083 /* Hack to force loading of abstract.o */
36501 7fdc639bc5b4 Merge ssize_t branch. Martin v. Löwis <martin@v.loewis.de> parents: 35999 diff changeset	2084 Py_ssize_t (_Py_abstract_hack)(PyObject ) = PyObject_Size;
5931 12fe5cc1516d Added _Py_ResetReferences(), if tracing references. Guido van Rossum <guido@python.org> parents: 5610 diff changeset	2085
12fe5cc1516d Added _Py_ResetReferences(), if tracing references. Guido van Rossum <guido@python.org> parents: 5610 diff changeset	2086
14006 ed369f0aa32b Updated comment Andrew M. Kuchling <amk@amk.ca> parents: 13976 diff changeset	2087 /* Python's malloc wrappers (see pymem.h) */
5931 12fe5cc1516d Added _Py_ResetReferences(), if tracing references. Guido van Rossum <guido@python.org> parents: 5610 diff changeset	2088
13709 4e2aaf1e722a Use 'void' directly instead of the ANY #define, now that all code is ANSI C. Thomas Wouters <thomas@python.org> parents: 13620 diff changeset	2089 void *
13473 31b1f691a7d9 ANSI-fication of the sources. Fred Drake <fdrake@acm.org> parents: 13447 diff changeset	2090 PyMem_Malloc(size_t nbytes)
5931 12fe5cc1516d Added _Py_ResetReferences(), if tracing references. Guido van Rossum <guido@python.org> parents: 5610 diff changeset	2091 {
12576 1c7c2dd1beb1 Vladimir Marangozov's long-awaited malloc restructuring. Guido van Rossum <guido@python.org> parents: 12481 diff changeset	2092 return PyMem_MALLOC(nbytes);
5931 12fe5cc1516d Added _Py_ResetReferences(), if tracing references. Guido van Rossum <guido@python.org> parents: 5610 diff changeset	2093 }
12fe5cc1516d Added _Py_ResetReferences(), if tracing references. Guido van Rossum <guido@python.org> parents: 5610 diff changeset	2094
13709 4e2aaf1e722a Use 'void' directly instead of the ANY #define, now that all code is ANSI C. Thomas Wouters <thomas@python.org> parents: 13620 diff changeset	2095 void *
4e2aaf1e722a Use 'void' directly instead of the ANY #define, now that all code is ANSI C. Thomas Wouters <thomas@python.org> parents: 13620 diff changeset	2096 PyMem_Realloc(void *p, size_t nbytes)
5931 12fe5cc1516d Added _Py_ResetReferences(), if tracing references. Guido van Rossum <guido@python.org> parents: 5610 diff changeset	2097 {
22985 d9d82c1ef864 First stab at rationalizing the PyMem_ API. Mixing PyObject_xyz with Tim Peters <tim.peters@gmail.com> parents: 22982 diff changeset	2098 return PyMem_REALLOC(p, nbytes);
5931 12fe5cc1516d Added _Py_ResetReferences(), if tracing references. Guido van Rossum <guido@python.org> parents: 5610 diff changeset	2099 }
12fe5cc1516d Added _Py_ResetReferences(), if tracing references. Guido van Rossum <guido@python.org> parents: 5610 diff changeset	2100
12fe5cc1516d Added _Py_ResetReferences(), if tracing references. Guido van Rossum <guido@python.org> parents: 5610 diff changeset	2101 void
13709 4e2aaf1e722a Use 'void' directly instead of the ANY #define, now that all code is ANSI C. Thomas Wouters <thomas@python.org> parents: 13620 diff changeset	2102 PyMem_Free(void *p)
5931 12fe5cc1516d Added _Py_ResetReferences(), if tracing references. Guido van Rossum <guido@python.org> parents: 5610 diff changeset	2103 {
12576 1c7c2dd1beb1 Vladimir Marangozov's long-awaited malloc restructuring. Guido van Rossum <guido@python.org> parents: 12481 diff changeset	2104 PyMem_FREE(p);
1c7c2dd1beb1 Vladimir Marangozov's long-awaited malloc restructuring. Guido van Rossum <guido@python.org> parents: 12481 diff changeset	2105 }
1c7c2dd1beb1 Vladimir Marangozov's long-awaited malloc restructuring. Guido van Rossum <guido@python.org> parents: 12481 diff changeset	2106
1c7c2dd1beb1 Vladimir Marangozov's long-awaited malloc restructuring. Guido van Rossum <guido@python.org> parents: 12481 diff changeset	2107
7984 1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}. Guido van Rossum <guido@python.org> parents: 7935 diff changeset	2108 /* These methods are used to control infinite recursion in repr, str, print,
1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}. Guido van Rossum <guido@python.org> parents: 7935 diff changeset	2109 etc. Container objects that may recursively contain themselves,
1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}. Guido van Rossum <guido@python.org> parents: 7935 diff changeset	2110 e.g. builtin dictionaries and lists, should used Py_ReprEnter() and
1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}. Guido van Rossum <guido@python.org> parents: 7935 diff changeset	2111 Py_ReprLeave() to avoid infinite recursion.
1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}. Guido van Rossum <guido@python.org> parents: 7935 diff changeset	2112
1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}. Guido van Rossum <guido@python.org> parents: 7935 diff changeset	2113 Py_ReprEnter() returns 0 the first time it is called for a particular
1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}. Guido van Rossum <guido@python.org> parents: 7935 diff changeset	2114 object and 1 every time thereafter. It returns -1 if an exception
1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}. Guido van Rossum <guido@python.org> parents: 7935 diff changeset	2115 occurred. Py_ReprLeave() has no return value.
1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}. Guido van Rossum <guido@python.org> parents: 7935 diff changeset	2116
1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}. Guido van Rossum <guido@python.org> parents: 7935 diff changeset	2117 See dictobject.c and listobject.c for examples of use.
1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}. Guido van Rossum <guido@python.org> parents: 7935 diff changeset	2118 */
1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}. Guido van Rossum <guido@python.org> parents: 7935 diff changeset	2119
1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}. Guido van Rossum <guido@python.org> parents: 7935 diff changeset	2120 #define KEY "Py_Repr"
1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}. Guido van Rossum <guido@python.org> parents: 7935 diff changeset	2121
1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}. Guido van Rossum <guido@python.org> parents: 7935 diff changeset	2122 int
13473 31b1f691a7d9 ANSI-fication of the sources. Fred Drake <fdrake@acm.org> parents: 13447 diff changeset	2123 Py_ReprEnter(PyObject *obj)
7984 1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}. Guido van Rossum <guido@python.org> parents: 7935 diff changeset	2124 {
1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}. Guido van Rossum <guido@python.org> parents: 7935 diff changeset	2125 PyObject *dict;
1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}. Guido van Rossum <guido@python.org> parents: 7935 diff changeset	2126 PyObject *list;
36501 7fdc639bc5b4 Merge ssize_t branch. Martin v. Löwis <martin@v.loewis.de> parents: 35999 diff changeset	2127 Py_ssize_t i;
7984 1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}. Guido van Rossum <guido@python.org> parents: 7935 diff changeset	2128
1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}. Guido van Rossum <guido@python.org> parents: 7935 diff changeset	2129 dict = PyThreadState_GetDict();
1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}. Guido van Rossum <guido@python.org> parents: 7935 diff changeset	2130 if (dict == NULL)
28616 4f0b7acffc7d - pythunrun.c, Py_Finalize(): move the call to _Py_PrintReferences() Guido van Rossum <guido@python.org> parents: 28397 diff changeset	2131 return 0;
7984 1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}. Guido van Rossum <guido@python.org> parents: 7935 diff changeset	2132 list = PyDict_GetItemString(dict, KEY);
1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}. Guido van Rossum <guido@python.org> parents: 7935 diff changeset	2133 if (list == NULL) {
1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}. Guido van Rossum <guido@python.org> parents: 7935 diff changeset	2134 list = PyList_New(0);
1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}. Guido van Rossum <guido@python.org> parents: 7935 diff changeset	2135 if (list == NULL)
1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}. Guido van Rossum <guido@python.org> parents: 7935 diff changeset	2136 return -1;
1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}. Guido van Rossum <guido@python.org> parents: 7935 diff changeset	2137 if (PyDict_SetItemString(dict, KEY, list) < 0)
1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}. Guido van Rossum <guido@python.org> parents: 7935 diff changeset	2138 return -1;
1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}. Guido van Rossum <guido@python.org> parents: 7935 diff changeset	2139 Py_DECREF(list);
1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}. Guido van Rossum <guido@python.org> parents: 7935 diff changeset	2140 }
1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}. Guido van Rossum <guido@python.org> parents: 7935 diff changeset	2141 i = PyList_GET_SIZE(list);
1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}. Guido van Rossum <guido@python.org> parents: 7935 diff changeset	2142 while (--i >= 0) {
1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}. Guido van Rossum <guido@python.org> parents: 7935 diff changeset	2143 if (PyList_GET_ITEM(list, i) == obj)
1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}. Guido van Rossum <guido@python.org> parents: 7935 diff changeset	2144 return 1;
1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}. Guido van Rossum <guido@python.org> parents: 7935 diff changeset	2145 }
1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}. Guido van Rossum <guido@python.org> parents: 7935 diff changeset	2146 PyList_Append(list, obj);
1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}. Guido van Rossum <guido@python.org> parents: 7935 diff changeset	2147 return 0;
1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}. Guido van Rossum <guido@python.org> parents: 7935 diff changeset	2148 }
1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}. Guido van Rossum <guido@python.org> parents: 7935 diff changeset	2149
1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}. Guido van Rossum <guido@python.org> parents: 7935 diff changeset	2150 void
13473 31b1f691a7d9 ANSI-fication of the sources. Fred Drake <fdrake@acm.org> parents: 13447 diff changeset	2151 Py_ReprLeave(PyObject *obj)
7984 1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}. Guido van Rossum <guido@python.org> parents: 7935 diff changeset	2152 {
1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}. Guido van Rossum <guido@python.org> parents: 7935 diff changeset	2153 PyObject *dict;
1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}. Guido van Rossum <guido@python.org> parents: 7935 diff changeset	2154 PyObject *list;
36501 7fdc639bc5b4 Merge ssize_t branch. Martin v. Löwis <martin@v.loewis.de> parents: 35999 diff changeset	2155 Py_ssize_t i;
7984 1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}. Guido van Rossum <guido@python.org> parents: 7935 diff changeset	2156
1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}. Guido van Rossum <guido@python.org> parents: 7935 diff changeset	2157 dict = PyThreadState_GetDict();
8006 a842c9e63280 Some robustness checks in Py_ReprLeave() in the unlikely event someone Guido van Rossum <guido@python.org> parents: 7984 diff changeset	2158 if (dict == NULL)
a842c9e63280 Some robustness checks in Py_ReprLeave() in the unlikely event someone Guido van Rossum <guido@python.org> parents: 7984 diff changeset	2159 return;
7984 1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}. Guido van Rossum <guido@python.org> parents: 7935 diff changeset	2160 list = PyDict_GetItemString(dict, KEY);
8006 a842c9e63280 Some robustness checks in Py_ReprLeave() in the unlikely event someone Guido van Rossum <guido@python.org> parents: 7984 diff changeset	2161 if (list == NULL \|\| !PyList_Check(list))
a842c9e63280 Some robustness checks in Py_ReprLeave() in the unlikely event someone Guido van Rossum <guido@python.org> parents: 7984 diff changeset	2162 return;
7984 1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}. Guido van Rossum <guido@python.org> parents: 7935 diff changeset	2163 i = PyList_GET_SIZE(list);
1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}. Guido van Rossum <guido@python.org> parents: 7935 diff changeset	2164 /* Count backwards because we always expect obj to be list[-1] */
1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}. Guido van Rossum <guido@python.org> parents: 7935 diff changeset	2165 while (--i >= 0) {
1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}. Guido van Rossum <guido@python.org> parents: 7935 diff changeset	2166 if (PyList_GET_ITEM(list, i) == obj) {
1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}. Guido van Rossum <guido@python.org> parents: 7935 diff changeset	2167 PyList_SetSlice(list, i, i + 1, NULL);
1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}. Guido van Rossum <guido@python.org> parents: 7935 diff changeset	2168 break;
1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}. Guido van Rossum <guido@python.org> parents: 7935 diff changeset	2169 }
1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}. Guido van Rossum <guido@python.org> parents: 7935 diff changeset	2170 }
1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}. Guido van Rossum <guido@python.org> parents: 7935 diff changeset	2171 }
11999 c94247b5c355 Christian Tismer's "trashcan" patch: Guido van Rossum <guido@python.org> parents: 11969 diff changeset	2172
24122 d332484e394a Trashcan cleanup: Now that cyclic gc is always there, the trashcan Tim Peters <tim.peters@gmail.com> parents: 24121 diff changeset	2173 /* Trashcan support. */
12052 5d3165e30bce Christian Tismer: Guido van Rossum <guido@python.org> parents: 11999 diff changeset	2174
24122 d332484e394a Trashcan cleanup: Now that cyclic gc is always there, the trashcan Tim Peters <tim.peters@gmail.com> parents: 24121 diff changeset	2175 /* Current call-stack depth of tp_dealloc calls. */
11999 c94247b5c355 Christian Tismer's "trashcan" patch: Guido van Rossum <guido@python.org> parents: 11969 diff changeset	2176 int _PyTrash_delete_nesting = 0;
12481 a8898a172fe2 Christian Tismer -- total rewrite on trashcan code. Guido van Rossum <guido@python.org> parents: 12406 diff changeset	2177
24122 d332484e394a Trashcan cleanup: Now that cyclic gc is always there, the trashcan Tim Peters <tim.peters@gmail.com> parents: 24121 diff changeset	2178 /* List of objects that still need to be cleaned up, singly linked via their
d332484e394a Trashcan cleanup: Now that cyclic gc is always there, the trashcan Tim Peters <tim.peters@gmail.com> parents: 24121 diff changeset	2179 * gc headers' gc_prev pointers.
d332484e394a Trashcan cleanup: Now that cyclic gc is always there, the trashcan Tim Peters <tim.peters@gmail.com> parents: 24121 diff changeset	2180 */
d332484e394a Trashcan cleanup: Now that cyclic gc is always there, the trashcan Tim Peters <tim.peters@gmail.com> parents: 24121 diff changeset	2181 PyObject *_PyTrash_delete_later = NULL;
11999 c94247b5c355 Christian Tismer's "trashcan" patch: Guido van Rossum <guido@python.org> parents: 11969 diff changeset	2182
24122 d332484e394a Trashcan cleanup: Now that cyclic gc is always there, the trashcan Tim Peters <tim.peters@gmail.com> parents: 24121 diff changeset	2183 /* Add op to the _PyTrash_delete_later list. Called when the current
d332484e394a Trashcan cleanup: Now that cyclic gc is always there, the trashcan Tim Peters <tim.peters@gmail.com> parents: 24121 diff changeset	2184 * call-stack depth gets large. op must be a currently untracked gc'ed
d332484e394a Trashcan cleanup: Now that cyclic gc is always there, the trashcan Tim Peters <tim.peters@gmail.com> parents: 24121 diff changeset	2185 * object, with refcount 0. Py_DECREF must already have been called on it.
d332484e394a Trashcan cleanup: Now that cyclic gc is always there, the trashcan Tim Peters <tim.peters@gmail.com> parents: 24121 diff changeset	2186 */
11999 c94247b5c355 Christian Tismer's "trashcan" patch: Guido van Rossum <guido@python.org> parents: 11969 diff changeset	2187 void
13473 31b1f691a7d9 ANSI-fication of the sources. Fred Drake <fdrake@acm.org> parents: 13447 diff changeset	2188 _PyTrash_deposit_object(PyObject *op)
11999 c94247b5c355 Christian Tismer's "trashcan" patch: Guido van Rossum <guido@python.org> parents: 11969 diff changeset	2189 {
24122 d332484e394a Trashcan cleanup: Now that cyclic gc is always there, the trashcan Tim Peters <tim.peters@gmail.com> parents: 24121 diff changeset	2190 assert(PyObject_IS_GC(op));
d332484e394a Trashcan cleanup: Now that cyclic gc is always there, the trashcan Tim Peters <tim.peters@gmail.com> parents: 24121 diff changeset	2191 assert(_Py_AS_GC(op)->gc.gc_refs == _PyGC_REFS_UNTRACKED);
d332484e394a Trashcan cleanup: Now that cyclic gc is always there, the trashcan Tim Peters <tim.peters@gmail.com> parents: 24121 diff changeset	2192 assert(op->ob_refcnt == 0);
22649 1616bd8b31bc If the GC is enabled then don't use the ob_type pointer to create a list Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 22469 diff changeset	2193 _Py_AS_GC(op)->gc.gc_prev = (PyGC_Head *)_PyTrash_delete_later;
12481 a8898a172fe2 Christian Tismer -- total rewrite on trashcan code. Guido van Rossum <guido@python.org> parents: 12406 diff changeset	2194 _PyTrash_delete_later = op;
11999 c94247b5c355 Christian Tismer's "trashcan" patch: Guido van Rossum <guido@python.org> parents: 11969 diff changeset	2195 }
c94247b5c355 Christian Tismer's "trashcan" patch: Guido van Rossum <guido@python.org> parents: 11969 diff changeset	2196
24122 d332484e394a Trashcan cleanup: Now that cyclic gc is always there, the trashcan Tim Peters <tim.peters@gmail.com> parents: 24121 diff changeset	2197 /* Dealloccate all the objects in the _PyTrash_delete_later list. Called when
d332484e394a Trashcan cleanup: Now that cyclic gc is always there, the trashcan Tim Peters <tim.peters@gmail.com> parents: 24121 diff changeset	2198 * the call-stack unwinds again.
d332484e394a Trashcan cleanup: Now that cyclic gc is always there, the trashcan Tim Peters <tim.peters@gmail.com> parents: 24121 diff changeset	2199 */
11999 c94247b5c355 Christian Tismer's "trashcan" patch: Guido van Rossum <guido@python.org> parents: 11969 diff changeset	2200 void
13473 31b1f691a7d9 ANSI-fication of the sources. Fred Drake <fdrake@acm.org> parents: 13447 diff changeset	2201 _PyTrash_destroy_chain(void)
11999 c94247b5c355 Christian Tismer's "trashcan" patch: Guido van Rossum <guido@python.org> parents: 11969 diff changeset	2202 {
c94247b5c355 Christian Tismer's "trashcan" patch: Guido van Rossum <guido@python.org> parents: 11969 diff changeset	2203 while (_PyTrash_delete_later) {
24122 d332484e394a Trashcan cleanup: Now that cyclic gc is always there, the trashcan Tim Peters <tim.peters@gmail.com> parents: 24121 diff changeset	2204 PyObject *op = _PyTrash_delete_later;
44350 26384b8180c7 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT. Macros for b/w compatibility are available. Christian Heimes <christian@cheimes.de> parents: 43958 diff changeset	2205 destructor dealloc = Py_TYPE(op)->tp_dealloc;
22649 1616bd8b31bc If the GC is enabled then don't use the ob_type pointer to create a list Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 22469 diff changeset	2206
1616bd8b31bc If the GC is enabled then don't use the ob_type pointer to create a list Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 22469 diff changeset	2207 _PyTrash_delete_later =
24122 d332484e394a Trashcan cleanup: Now that cyclic gc is always there, the trashcan Tim Peters <tim.peters@gmail.com> parents: 24121 diff changeset	2208 (PyObject*) _Py_AS_GC(op)->gc.gc_prev;
22649 1616bd8b31bc If the GC is enabled then don't use the ob_type pointer to create a list Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 22469 diff changeset	2209
24122 d332484e394a Trashcan cleanup: Now that cyclic gc is always there, the trashcan Tim Peters <tim.peters@gmail.com> parents: 24121 diff changeset	2210 /* Call the deallocator directly. This used to try to
d332484e394a Trashcan cleanup: Now that cyclic gc is always there, the trashcan Tim Peters <tim.peters@gmail.com> parents: 24121 diff changeset	2211 * fool Py_DECREF into calling it indirectly, but
d332484e394a Trashcan cleanup: Now that cyclic gc is always there, the trashcan Tim Peters <tim.peters@gmail.com> parents: 24121 diff changeset	2212 * Py_DECREF was already called on this object, and in
d332484e394a Trashcan cleanup: Now that cyclic gc is always there, the trashcan Tim Peters <tim.peters@gmail.com> parents: 24121 diff changeset	2213 * assorted non-release builds calling Py_DECREF again ends
d332484e394a Trashcan cleanup: Now that cyclic gc is always there, the trashcan Tim Peters <tim.peters@gmail.com> parents: 24121 diff changeset	2214 * up distorting allocation statistics.
d332484e394a Trashcan cleanup: Now that cyclic gc is always there, the trashcan Tim Peters <tim.peters@gmail.com> parents: 24121 diff changeset	2215 */
d332484e394a Trashcan cleanup: Now that cyclic gc is always there, the trashcan Tim Peters <tim.peters@gmail.com> parents: 24121 diff changeset	2216 assert(op->ob_refcnt == 0);
11999 c94247b5c355 Christian Tismer's "trashcan" patch: Guido van Rossum <guido@python.org> parents: 11969 diff changeset	2217 ++_PyTrash_delete_nesting;
24122 d332484e394a Trashcan cleanup: Now that cyclic gc is always there, the trashcan Tim Peters <tim.peters@gmail.com> parents: 24121 diff changeset	2218 (*dealloc)(op);
11999 c94247b5c355 Christian Tismer's "trashcan" patch: Guido van Rossum <guido@python.org> parents: 11969 diff changeset	2219 --_PyTrash_delete_nesting;
c94247b5c355 Christian Tismer's "trashcan" patch: Guido van Rossum <guido@python.org> parents: 11969 diff changeset	2220 }
c94247b5c355 Christian Tismer's "trashcan" patch: Guido van Rossum <guido@python.org> parents: 11969 diff changeset	2221 }
37655 2f3f2e32dfd9 spread the extern "C" { } magic pixie dust around. Python itself builds now Anthony Baxter <anthonybaxter@gmail.com> parents: 37638 diff changeset	2222
2f3f2e32dfd9 spread the extern "C" { } magic pixie dust around. Python itself builds now Anthony Baxter <anthonybaxter@gmail.com> parents: 37638 diff changeset	2223 #ifdef __cplusplus
2f3f2e32dfd9 spread the extern "C" { } magic pixie dust around. Python itself builds now Anthony Baxter <anthonybaxter@gmail.com> parents: 37638 diff changeset	2224 }
2f3f2e32dfd9 spread the extern "C" { } magic pixie dust around. Python itself builds now Anthony Baxter <anthonybaxter@gmail.com> parents: 37638 diff changeset	2225 #endif

Mercurial > cpython-lru_cache-weakref

annotate Objects/object.c @ 44825:ef859cd754a7 legacy-trunk