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

annotate Objects/object.c @ 37639:bc4fbbb2db30 2.4

Ignore the references to the dummy objects used as deleted keys in dicts and sets when computing the total number of references.

author	Armin Rigo <arigo@tunes.org>
date	Wed, 12 Apr 2006 17:06:58 +0000
parents	4808ee62b156
children

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
24184 c4dcb80f48ea object.h special-build macro minefield: renamed all the new lexical Tim Peters <tim.peters@gmail.com> parents: 24155 diff changeset	6 #ifdef Py_REF_DEBUG
24420 36e2fd3f08f7 Excise DL_IMPORT/EXPORT from object.h, and related files. This patch Mark Hammond <mhammond@skippinet.com.au> parents: 24184 diff changeset	7 long _Py_RefTotal;
37639 bc4fbbb2db30 Ignore the references to the dummy objects used as deleted keys Armin Rigo <arigo@tunes.org> parents: 36978 diff changeset	8 long
bc4fbbb2db30 Ignore the references to the dummy objects used as deleted keys Armin Rigo <arigo@tunes.org> parents: 36978 diff changeset	9 _Py_GetRefTotal(void)
bc4fbbb2db30 Ignore the references to the dummy objects used as deleted keys Armin Rigo <arigo@tunes.org> parents: 36978 diff changeset	10 {
bc4fbbb2db30 Ignore the references to the dummy objects used as deleted keys Armin Rigo <arigo@tunes.org> parents: 36978 diff changeset	11 PyObject *o;
bc4fbbb2db30 Ignore the references to the dummy objects used as deleted keys Armin Rigo <arigo@tunes.org> parents: 36978 diff changeset	12 long total = _Py_RefTotal;
bc4fbbb2db30 Ignore the references to the dummy objects used as deleted keys Armin Rigo <arigo@tunes.org> parents: 36978 diff changeset	13 /* ignore the references to the dummy object of the dicts
bc4fbbb2db30 Ignore the references to the dummy objects used as deleted keys Armin Rigo <arigo@tunes.org> parents: 36978 diff changeset	14 because they are not reliable and not useful (now that the
bc4fbbb2db30 Ignore the references to the dummy objects used as deleted keys Armin Rigo <arigo@tunes.org> parents: 36978 diff changeset	15 hash table code is well-tested) */
bc4fbbb2db30 Ignore the references to the dummy objects used as deleted keys Armin Rigo <arigo@tunes.org> parents: 36978 diff changeset	16 o = _PyDict_Dummy();
bc4fbbb2db30 Ignore the references to the dummy objects used as deleted keys Armin Rigo <arigo@tunes.org> parents: 36978 diff changeset	17 if (o != NULL)
bc4fbbb2db30 Ignore the references to the dummy objects used as deleted keys Armin Rigo <arigo@tunes.org> parents: 36978 diff changeset	18 total -= o->ob_refcnt;
bc4fbbb2db30 Ignore the references to the dummy objects used as deleted keys Armin Rigo <arigo@tunes.org> parents: 36978 diff changeset	19 return total;
bc4fbbb2db30 Ignore the references to the dummy objects used as deleted keys Armin Rigo <arigo@tunes.org> parents: 36978 diff changeset	20 }
bc4fbbb2db30 Ignore the references to the dummy objects used as deleted keys Armin Rigo <arigo@tunes.org> parents: 36978 diff changeset	21 #endif /* Py_REF_DEBUG */
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	22
24420 36e2fd3f08f7 Excise DL_IMPORT/EXPORT from object.h, and related files. This patch Mark Hammond <mhammond@skippinet.com.au> parents: 24184 diff changeset	23 int Py_DivisionWarningFlag;
19633 c0a44829bcd5 Add warning mode for classic division, almost exactly as specified in Guido van Rossum <guido@python.org> parents: 19620 diff changeset	24
86 a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: 58 diff changeset	25 /* Object allocation routines used by NEWOBJ and NEWVAROBJ macros.
a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: 58 diff changeset	26 These are used by the individual routines for object creation.
a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: 58 diff changeset	27 Do not call them otherwise, they do not initialize the object! */
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	28
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	29 #ifdef Py_TRACE_REFS
28396 d56282c28a1e Improved new Py_TRACE_REFS gimmicks. Tim Peters <tim.peters@gmail.com> parents: 28389 diff changeset	30 /* 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	31 * 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	32 * 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	33 */
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	34 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	35
28396 d56282c28a1e Improved new Py_TRACE_REFS gimmicks. Tim Peters <tim.peters@gmail.com> parents: 28389 diff changeset	36 /* 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	37 * 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	38 * 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	39 * 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	40 * 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	41 * relinking it into the front.
28396 d56282c28a1e Improved new Py_TRACE_REFS gimmicks. Tim Peters <tim.peters@gmail.com> parents: 28389 diff changeset	42 * 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	43 * 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	44 * 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	45 * 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	46 */
28389 4ede57a42c62 Refactored some of the Py_TRACE_REFS code. New private API function Tim Peters <tim.peters@gmail.com> parents: 28388 diff changeset	47 void
28396 d56282c28a1e Improved new Py_TRACE_REFS gimmicks. Tim Peters <tim.peters@gmail.com> parents: 28389 diff changeset	48 _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	49 {
28396 d56282c28a1e Improved new Py_TRACE_REFS gimmicks. Tim Peters <tim.peters@gmail.com> parents: 28389 diff changeset	50 #ifdef Py_DEBUG
d56282c28a1e Improved new Py_TRACE_REFS gimmicks. Tim Peters <tim.peters@gmail.com> parents: 28389 diff changeset	51 if (!force) {
d56282c28a1e Improved new Py_TRACE_REFS gimmicks. Tim Peters <tim.peters@gmail.com> parents: 28389 diff changeset	52 /* 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	53 * the list unambiguously.
d56282c28a1e Improved new Py_TRACE_REFS gimmicks. Tim Peters <tim.peters@gmail.com> parents: 28389 diff changeset	54 */
d56282c28a1e Improved new Py_TRACE_REFS gimmicks. Tim Peters <tim.peters@gmail.com> parents: 28389 diff changeset	55 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	56 }
d56282c28a1e Improved new Py_TRACE_REFS gimmicks. Tim Peters <tim.peters@gmail.com> parents: 28389 diff changeset	57 #endif
d56282c28a1e Improved new Py_TRACE_REFS gimmicks. Tim Peters <tim.peters@gmail.com> parents: 28389 diff changeset	58 if (force \|\| op->_ob_prev == NULL) {
d56282c28a1e Improved new Py_TRACE_REFS gimmicks. Tim Peters <tim.peters@gmail.com> parents: 28389 diff changeset	59 op->_ob_next = refchain._ob_next;
d56282c28a1e Improved new Py_TRACE_REFS gimmicks. Tim Peters <tim.peters@gmail.com> parents: 28389 diff changeset	60 op->_ob_prev = &refchain;
d56282c28a1e Improved new Py_TRACE_REFS gimmicks. Tim Peters <tim.peters@gmail.com> parents: 28389 diff changeset	61 refchain._ob_next->_ob_prev = op;
d56282c28a1e Improved new Py_TRACE_REFS gimmicks. Tim Peters <tim.peters@gmail.com> parents: 28389 diff changeset	62 refchain._ob_next = op;
d56282c28a1e Improved new Py_TRACE_REFS gimmicks. Tim Peters <tim.peters@gmail.com> parents: 28389 diff changeset	63 }
28389 4ede57a42c62 Refactored some of the Py_TRACE_REFS code. New private API function Tim Peters <tim.peters@gmail.com> parents: 28388 diff changeset	64 }
28396 d56282c28a1e Improved new Py_TRACE_REFS gimmicks. Tim Peters <tim.peters@gmail.com> parents: 28389 diff changeset	65 #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	66
1347 a22a350d3a5d * Extended X interface: pixmap objects, colormap objects visual objects, Sjoerd Mullender <sjoerd@acm.org> parents: 1324 diff changeset	67 #ifdef COUNT_ALLOCS
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5006 diff changeset	68 static PyTypeObject *type_list;
1352 4d1a15fc4748 intobject.c: Save references to small integers, so that they can be Sjoerd Mullender <sjoerd@acm.org> parents: 1347 diff changeset	69 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	70 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	71 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	72 void
13473 31b1f691a7d9 ANSI-fication of the sources. Fred Drake <fdrake@acm.org> parents: 13447 diff changeset	73 dump_counts(void)
1347 a22a350d3a5d * Extended X interface: pixmap objects, colormap objects visual objects, Sjoerd Mullender <sjoerd@acm.org> parents: 1324 diff changeset	74 {
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5006 diff changeset	75 PyTypeObject *tp;
1347 a22a350d3a5d * Extended X interface: pixmap objects, colormap objects visual objects, Sjoerd Mullender <sjoerd@acm.org> parents: 1324 diff changeset	76
a22a350d3a5d * Extended X interface: pixmap objects, colormap objects visual objects, Sjoerd Mullender <sjoerd@acm.org> parents: 1324 diff changeset	77 for (tp = type_list; tp; tp = tp->tp_next)
1361 7cd533cf194a import.c: When something is wrong with the .pyc, properly open the .py Sjoerd Mullender <sjoerd@acm.org> parents: 1356 diff changeset	78 fprintf(stderr, "%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	79 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	80 tp->tp_maxalloc);
7cd533cf194a import.c: When something is wrong with the .pyc, properly open the .py Sjoerd Mullender <sjoerd@acm.org> parents: 1356 diff changeset	81 fprintf(stderr, "fast tuple allocs: %d, empty: %d\n",
7cd533cf194a import.c: When something is wrong with the .pyc, properly open the .py Sjoerd Mullender <sjoerd@acm.org> parents: 1356 diff changeset	82 fast_tuple_allocs, tuple_zero_allocs);
7cd533cf194a import.c: When something is wrong with the .pyc, properly open the .py Sjoerd Mullender <sjoerd@acm.org> parents: 1356 diff changeset	83 fprintf(stderr, "fast int allocs: pos: %d, neg: %d\n",
7cd533cf194a import.c: When something is wrong with the .pyc, properly open the .py Sjoerd Mullender <sjoerd@acm.org> parents: 1356 diff changeset	84 quick_int_allocs, quick_neg_int_allocs);
7cd533cf194a import.c: When something is wrong with the .pyc, properly open the .py Sjoerd Mullender <sjoerd@acm.org> parents: 1356 diff changeset	85 fprintf(stderr, "null strings: %d, 1-strings: %d\n",
7cd533cf194a import.c: When something is wrong with the .pyc, properly open the .py Sjoerd Mullender <sjoerd@acm.org> parents: 1356 diff changeset	86 null_strings, one_strings);
1347 a22a350d3a5d * Extended X interface: pixmap objects, colormap objects visual objects, Sjoerd Mullender <sjoerd@acm.org> parents: 1324 diff changeset	87 }
a22a350d3a5d * Extended X interface: pixmap objects, colormap objects visual objects, Sjoerd Mullender <sjoerd@acm.org> parents: 1324 diff changeset	88
3024 54aa87b1ccee Implemented two new functions in sys: Sjoerd Mullender <sjoerd@acm.org> parents: 2827 diff changeset	89 PyObject *
13473 31b1f691a7d9 ANSI-fication of the sources. Fred Drake <fdrake@acm.org> parents: 13447 diff changeset	90 get_counts(void)
3024 54aa87b1ccee Implemented two new functions in sys: Sjoerd Mullender <sjoerd@acm.org> parents: 2827 diff changeset	91 {
54aa87b1ccee Implemented two new functions in sys: Sjoerd Mullender <sjoerd@acm.org> parents: 2827 diff changeset	92 PyTypeObject *tp;
54aa87b1ccee Implemented two new functions in sys: Sjoerd Mullender <sjoerd@acm.org> parents: 2827 diff changeset	93 PyObject *result;
54aa87b1ccee Implemented two new functions in sys: Sjoerd Mullender <sjoerd@acm.org> parents: 2827 diff changeset	94 PyObject *v;
54aa87b1ccee Implemented two new functions in sys: Sjoerd Mullender <sjoerd@acm.org> parents: 2827 diff changeset	95
54aa87b1ccee Implemented two new functions in sys: Sjoerd Mullender <sjoerd@acm.org> parents: 2827 diff changeset	96 result = PyList_New(0);
54aa87b1ccee Implemented two new functions in sys: Sjoerd Mullender <sjoerd@acm.org> parents: 2827 diff changeset	97 if (result == NULL)
54aa87b1ccee Implemented two new functions in sys: Sjoerd Mullender <sjoerd@acm.org> parents: 2827 diff changeset	98 return NULL;
54aa87b1ccee Implemented two new functions in sys: Sjoerd Mullender <sjoerd@acm.org> parents: 2827 diff changeset	99 for (tp = type_list; tp; tp = tp->tp_next) {
18933 09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	100 v = Py_BuildValue("(siii)", tp->tp_name, tp->tp_allocs,
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	101 tp->tp_frees, tp->tp_maxalloc);
3024 54aa87b1ccee Implemented two new functions in sys: Sjoerd Mullender <sjoerd@acm.org> parents: 2827 diff changeset	102 if (v == NULL) {
54aa87b1ccee Implemented two new functions in sys: Sjoerd Mullender <sjoerd@acm.org> parents: 2827 diff changeset	103 Py_DECREF(result);
54aa87b1ccee Implemented two new functions in sys: Sjoerd Mullender <sjoerd@acm.org> parents: 2827 diff changeset	104 return NULL;
54aa87b1ccee Implemented two new functions in sys: Sjoerd Mullender <sjoerd@acm.org> parents: 2827 diff changeset	105 }
54aa87b1ccee Implemented two new functions in sys: Sjoerd Mullender <sjoerd@acm.org> parents: 2827 diff changeset	106 if (PyList_Append(result, v) < 0) {
54aa87b1ccee Implemented two new functions in sys: Sjoerd Mullender <sjoerd@acm.org> parents: 2827 diff changeset	107 Py_DECREF(v);
54aa87b1ccee Implemented two new functions in sys: Sjoerd Mullender <sjoerd@acm.org> parents: 2827 diff changeset	108 Py_DECREF(result);
54aa87b1ccee Implemented two new functions in sys: Sjoerd Mullender <sjoerd@acm.org> parents: 2827 diff changeset	109 return NULL;
54aa87b1ccee Implemented two new functions in sys: Sjoerd Mullender <sjoerd@acm.org> parents: 2827 diff changeset	110 }
54aa87b1ccee Implemented two new functions in sys: Sjoerd Mullender <sjoerd@acm.org> parents: 2827 diff changeset	111 Py_DECREF(v);
54aa87b1ccee Implemented two new functions in sys: Sjoerd Mullender <sjoerd@acm.org> parents: 2827 diff changeset	112 }
54aa87b1ccee Implemented two new functions in sys: Sjoerd Mullender <sjoerd@acm.org> parents: 2827 diff changeset	113 return result;
54aa87b1ccee Implemented two new functions in sys: Sjoerd Mullender <sjoerd@acm.org> parents: 2827 diff changeset	114 }
54aa87b1ccee Implemented two new functions in sys: Sjoerd Mullender <sjoerd@acm.org> parents: 2827 diff changeset	115
1347 a22a350d3a5d * Extended X interface: pixmap objects, colormap objects visual objects, Sjoerd Mullender <sjoerd@acm.org> parents: 1324 diff changeset	116 void
13473 31b1f691a7d9 ANSI-fication of the sources. Fred Drake <fdrake@acm.org> parents: 13447 diff changeset	117 inc_count(PyTypeObject *tp)
1347 a22a350d3a5d * Extended X interface: pixmap objects, colormap objects visual objects, Sjoerd Mullender <sjoerd@acm.org> parents: 1324 diff changeset	118 {
18933 09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	119 if (tp->tp_allocs == 0) {
2639 f11ba9cc342f change in counting freed objects Guido van Rossum <guido@python.org> parents: 2612 diff changeset	120 /* 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	121 if (tp->tp_next != NULL) /* sanity check */
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5006 diff changeset	122 Py_FatalError("XXX inc_count sanity check");
1347 a22a350d3a5d * Extended X interface: pixmap objects, colormap objects visual objects, Sjoerd Mullender <sjoerd@acm.org> parents: 1324 diff changeset	123 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	124 /* 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	125 * 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	126 * 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	127 * 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	128 * 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	129 * (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	130 * 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	131 */
d7d816e1f522 SF bug 578752: COUNT_ALLOCS vs heap types Tim Peters <tim.peters@gmail.com> parents: 24126 diff changeset	132 Py_INCREF(tp);
1347 a22a350d3a5d * Extended X interface: pixmap objects, colormap objects visual objects, Sjoerd Mullender <sjoerd@acm.org> parents: 1324 diff changeset	133 type_list = tp;
28388 f81239c12c60 Oops! Used a wrong preprocessor symbol. Tim Peters <tim.peters@gmail.com> parents: 28387 diff changeset	134 #ifdef Py_TRACE_REFS
28396 d56282c28a1e Improved new Py_TRACE_REFS gimmicks. Tim Peters <tim.peters@gmail.com> parents: 28389 diff changeset	135 /* 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	136 * if not already there.
d56282c28a1e Improved new Py_TRACE_REFS gimmicks. Tim Peters <tim.peters@gmail.com> parents: 28389 diff changeset	137 */
d56282c28a1e Improved new Py_TRACE_REFS gimmicks. Tim Peters <tim.peters@gmail.com> parents: 28389 diff changeset	138 _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	139 #endif
1347 a22a350d3a5d * Extended X interface: pixmap objects, colormap objects visual objects, Sjoerd Mullender <sjoerd@acm.org> parents: 1324 diff changeset	140 }
18933 09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	141 tp->tp_allocs++;
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	142 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	143 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	144 }
a22a350d3a5d * Extended X interface: pixmap objects, colormap objects visual objects, Sjoerd Mullender <sjoerd@acm.org> parents: 1324 diff changeset	145 #endif
a22a350d3a5d * Extended X interface: pixmap objects, colormap objects visual objects, Sjoerd Mullender <sjoerd@acm.org> parents: 1324 diff changeset	146
24155 9456a2ccda61 The Py_REF_DEBUG/COUNT_ALLOCS/Py_TRACE_REFS macro minefield: added Tim Peters <tim.peters@gmail.com> parents: 24144 diff changeset	147 #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	148 /* 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	149 void
9456a2ccda61 The Py_REF_DEBUG/COUNT_ALLOCS/Py_TRACE_REFS macro minefield: added Tim Peters <tim.peters@gmail.com> parents: 24144 diff changeset	150 _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	151 {
9456a2ccda61 The Py_REF_DEBUG/COUNT_ALLOCS/Py_TRACE_REFS macro minefield: added Tim Peters <tim.peters@gmail.com> parents: 24144 diff changeset	152 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	153
9456a2ccda61 The Py_REF_DEBUG/COUNT_ALLOCS/Py_TRACE_REFS macro minefield: added Tim Peters <tim.peters@gmail.com> parents: 24144 diff changeset	154 PyOS_snprintf(buf, sizeof(buf),
9456a2ccda61 The Py_REF_DEBUG/COUNT_ALLOCS/Py_TRACE_REFS macro minefield: added Tim Peters <tim.peters@gmail.com> parents: 24144 diff changeset	155 "%s:%i object at %p has negative ref count %i",
9456a2ccda61 The Py_REF_DEBUG/COUNT_ALLOCS/Py_TRACE_REFS macro minefield: added Tim Peters <tim.peters@gmail.com> parents: 24144 diff changeset	156 fname, lineno, op, op->ob_refcnt);
9456a2ccda61 The Py_REF_DEBUG/COUNT_ALLOCS/Py_TRACE_REFS macro minefield: added Tim Peters <tim.peters@gmail.com> parents: 24144 diff changeset	157 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	158 }
9456a2ccda61 The Py_REF_DEBUG/COUNT_ALLOCS/Py_TRACE_REFS macro minefield: added Tim Peters <tim.peters@gmail.com> parents: 24144 diff changeset	159
9456a2ccda61 The Py_REF_DEBUG/COUNT_ALLOCS/Py_TRACE_REFS macro minefield: added Tim Peters <tim.peters@gmail.com> parents: 24144 diff changeset	160 #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	161
31940 059740d52ae5 Two new public API functions, Py_IncRef and Py_DecRef. Useful for Thomas Heller <theller@ctypes.org> parents: 31738 diff changeset	162 void
059740d52ae5 Two new public API functions, Py_IncRef and Py_DecRef. Useful for Thomas Heller <theller@ctypes.org> parents: 31738 diff changeset	163 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	164 {
059740d52ae5 Two new public API functions, Py_IncRef and Py_DecRef. Useful for Thomas Heller <theller@ctypes.org> parents: 31738 diff changeset	165 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	166 }
059740d52ae5 Two new public API functions, Py_IncRef and Py_DecRef. Useful for Thomas Heller <theller@ctypes.org> parents: 31738 diff changeset	167
059740d52ae5 Two new public API functions, Py_IncRef and Py_DecRef. Useful for Thomas Heller <theller@ctypes.org> parents: 31738 diff changeset	168 void
059740d52ae5 Two new public API functions, Py_IncRef and Py_DecRef. Useful for Thomas Heller <theller@ctypes.org> parents: 31738 diff changeset	169 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	170 {
059740d52ae5 Two new public API functions, Py_IncRef and Py_DecRef. Useful for Thomas Heller <theller@ctypes.org> parents: 31738 diff changeset	171 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	172 }
059740d52ae5 Two new public API functions, Py_IncRef and Py_DecRef. Useful for Thomas Heller <theller@ctypes.org> parents: 31738 diff changeset	173
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5006 diff changeset	174 PyObject *
13473 31b1f691a7d9 ANSI-fication of the sources. Fred Drake <fdrake@acm.org> parents: 13447 diff changeset	175 PyObject_Init(PyObject op, PyTypeObject tp)
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	176 {
25737 b0fa5f6a8bb9 PyObject_Init[Var] is almost always called from the PyObject_NEW[_VAR] Guido van Rossum <guido@python.org> parents: 25015 diff changeset	177 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	178 return PyErr_NoMemory();
12576 1c7c2dd1beb1 Vladimir Marangozov's long-awaited malloc restructuring. Guido van Rossum <guido@python.org> parents: 12481 diff changeset	179 /* Any changes should be reflected in PyObject_INIT (objimpl.h) */
1347 a22a350d3a5d * Extended X interface: pixmap objects, colormap objects visual objects, Sjoerd Mullender <sjoerd@acm.org> parents: 1324 diff changeset	180 op->ob_type = tp;
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5006 diff changeset	181 _Py_NewReference(op);
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	182 return op;
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	183 }
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	184
12576 1c7c2dd1beb1 Vladimir Marangozov's long-awaited malloc restructuring. Guido van Rossum <guido@python.org> parents: 12481 diff changeset	185 PyVarObject *
13473 31b1f691a7d9 ANSI-fication of the sources. Fred Drake <fdrake@acm.org> parents: 13447 diff changeset	186 PyObject_InitVar(PyVarObject op, PyTypeObject tp, int size)
12576 1c7c2dd1beb1 Vladimir Marangozov's long-awaited malloc restructuring. Guido van Rossum <guido@python.org> parents: 12481 diff changeset	187 {
25737 b0fa5f6a8bb9 PyObject_Init[Var] is almost always called from the PyObject_NEW[_VAR] Guido van Rossum <guido@python.org> parents: 25015 diff changeset	188 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	189 return (PyVarObject *) PyErr_NoMemory();
12576 1c7c2dd1beb1 Vladimir Marangozov's long-awaited malloc restructuring. Guido van Rossum <guido@python.org> parents: 12481 diff changeset	190 /* 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	191 op->ob_size = size;
1c7c2dd1beb1 Vladimir Marangozov's long-awaited malloc restructuring. Guido van Rossum <guido@python.org> parents: 12481 diff changeset	192 op->ob_type = tp;
1c7c2dd1beb1 Vladimir Marangozov's long-awaited malloc restructuring. Guido van Rossum <guido@python.org> parents: 12481 diff changeset	193 _Py_NewReference((PyObject *)op);
1c7c2dd1beb1 Vladimir Marangozov's long-awaited malloc restructuring. Guido van Rossum <guido@python.org> parents: 12481 diff changeset	194 return op;
1c7c2dd1beb1 Vladimir Marangozov's long-awaited malloc restructuring. Guido van Rossum <guido@python.org> parents: 12481 diff changeset	195 }
1c7c2dd1beb1 Vladimir Marangozov's long-awaited malloc restructuring. Guido van Rossum <guido@python.org> parents: 12481 diff changeset	196
1c7c2dd1beb1 Vladimir Marangozov's long-awaited malloc restructuring. Guido van Rossum <guido@python.org> parents: 12481 diff changeset	197 PyObject *
13473 31b1f691a7d9 ANSI-fication of the sources. Fred Drake <fdrake@acm.org> parents: 13447 diff changeset	198 _PyObject_New(PyTypeObject *tp)
12576 1c7c2dd1beb1 Vladimir Marangozov's long-awaited malloc restructuring. Guido van Rossum <guido@python.org> parents: 12481 diff changeset	199 {
1c7c2dd1beb1 Vladimir Marangozov's long-awaited malloc restructuring. Guido van Rossum <guido@python.org> parents: 12481 diff changeset	200 PyObject *op;
1c7c2dd1beb1 Vladimir Marangozov's long-awaited malloc restructuring. Guido van Rossum <guido@python.org> parents: 12481 diff changeset	201 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	202 if (op == NULL)
1c7c2dd1beb1 Vladimir Marangozov's long-awaited malloc restructuring. Guido van Rossum <guido@python.org> parents: 12481 diff changeset	203 return PyErr_NoMemory();
1c7c2dd1beb1 Vladimir Marangozov's long-awaited malloc restructuring. Guido van Rossum <guido@python.org> parents: 12481 diff changeset	204 return PyObject_INIT(op, tp);
1c7c2dd1beb1 Vladimir Marangozov's long-awaited malloc restructuring. Guido van Rossum <guido@python.org> parents: 12481 diff changeset	205 }
1c7c2dd1beb1 Vladimir Marangozov's long-awaited malloc restructuring. Guido van Rossum <guido@python.org> parents: 12481 diff changeset	206
5535 20c2b715188e Oops, another forgotten renaming: varobject -> PyVarObject. Guido van Rossum <guido@python.org> parents: 5396 diff changeset	207 PyVarObject *
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	208 _PyObject_NewVar(PyTypeObject *tp, int nitems)
12576 1c7c2dd1beb1 Vladimir Marangozov's long-awaited malloc restructuring. Guido van Rossum <guido@python.org> parents: 12481 diff changeset	209 {
5535 20c2b715188e Oops, another forgotten renaming: varobject -> PyVarObject. Guido van Rossum <guido@python.org> parents: 5396 diff changeset	210 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	211 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	212 op = (PyVarObject *) PyObject_MALLOC(size);
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	213 if (op == NULL)
5535 20c2b715188e Oops, another forgotten renaming: varobject -> PyVarObject. Guido van Rossum <guido@python.org> parents: 5396 diff changeset	214 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	215 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	216 }
1c7c2dd1beb1 Vladimir Marangozov's long-awaited malloc restructuring. Guido van Rossum <guido@python.org> parents: 12481 diff changeset	217
22982 d09740b2e03d Move PyObject_Malloc and PyObject_Free to obmalloc.c. Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 22785 diff changeset	218 /* 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	219 #undef _PyObject_Del
12576 1c7c2dd1beb1 Vladimir Marangozov's long-awaited malloc restructuring. Guido van Rossum <guido@python.org> parents: 12481 diff changeset	220 void
13473 31b1f691a7d9 ANSI-fication of the sources. Fred Drake <fdrake@acm.org> parents: 13447 diff changeset	221 _PyObject_Del(PyObject *op)
12576 1c7c2dd1beb1 Vladimir Marangozov's long-awaited malloc restructuring. Guido van Rossum <guido@python.org> parents: 12481 diff changeset	222 {
13265 e8bb0d536633 Neil Schemenauer: small fixes for GC Guido van Rossum <guido@python.org> parents: 13256 diff changeset	223 PyObject_FREE(op);
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	224 }
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	225
27234 e9f45b8efd6b Fix SF bug #667147, Segmentation fault printing str subclass Neal Norwitz <nnorwitz@gmail.com> parents: 26263 diff changeset	226 /* 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	227 static int
e9f45b8efd6b Fix SF bug #667147, Segmentation fault printing str subclass Neal Norwitz <nnorwitz@gmail.com> parents: 26263 diff changeset	228 internal_print(PyObject op, FILE fp, int flags, int nesting)
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	229 {
322 1a6cf1f8ccec Check for write errors after printing a value Guido van Rossum <guido@python.org> parents: 307 diff changeset	230 int ret = 0;
27234 e9f45b8efd6b Fix SF bug #667147, Segmentation fault printing str subclass Neal Norwitz <nnorwitz@gmail.com> parents: 26263 diff changeset	231 if (nesting > 10) {
e9f45b8efd6b Fix SF bug #667147, Segmentation fault printing str subclass Neal Norwitz <nnorwitz@gmail.com> parents: 26263 diff changeset	232 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	233 return -1;
e9f45b8efd6b Fix SF bug #667147, Segmentation fault printing str subclass Neal Norwitz <nnorwitz@gmail.com> parents: 26263 diff changeset	234 }
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5006 diff changeset	235 if (PyErr_CheckSignals())
284 6ac402023cac printobject now returns an error code Guido van Rossum <guido@python.org> parents: 231 diff changeset	236 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	237 #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	238 if (PyOS_CheckStack()) {
15318 8aa947e1eee8 Ka-Ping Yee <ping@lfw.org>: Fred Drake <fdrake@acm.org> parents: 14869 diff changeset	239 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	240 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	241 }
c69ad566aeb1 If USE_STACKCHECK is defined use PyOS_CheckStack() in the repr and str Guido van Rossum <guido@python.org> parents: 8111 diff changeset	242 #endif
11649 38560a3a3249 On Linux, one sometimes sees spurious errors after interrupting Guido van Rossum <guido@python.org> parents: 8695 diff changeset	243 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	244 if (op == NULL) {
6ac402023cac printobject now returns an error code Guido van Rossum <guido@python.org> parents: 231 diff changeset	245 fprintf(fp, "<nil>");
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	246 }
284 6ac402023cac printobject now returns an error code Guido van Rossum <guido@python.org> parents: 231 diff changeset	247 else {
6ac402023cac printobject now returns an error code Guido van Rossum <guido@python.org> parents: 231 diff changeset	248 if (op->ob_refcnt <= 0)
13210 ff243b0f16ee Trent Mick <trentm@activestate.com>: Fred Drake <fdrake@acm.org> parents: 13183 diff changeset	249 fprintf(fp, "<refcnt %u at %p>",
ff243b0f16ee Trent Mick <trentm@activestate.com>: Fred Drake <fdrake@acm.org> parents: 13183 diff changeset	250 op->ob_refcnt, op);
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	251 else if (op->ob_type->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	252 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	253 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	254 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	255 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	256 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	257 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	258 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	259 else {
27234 e9f45b8efd6b Fix SF bug #667147, Segmentation fault printing str subclass Neal Norwitz <nnorwitz@gmail.com> parents: 26263 diff changeset	260 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	261 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	262 }
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	263 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	264 }
284 6ac402023cac printobject now returns an error code Guido van Rossum <guido@python.org> parents: 231 diff changeset	265 else
322 1a6cf1f8ccec Check for write errors after printing a value Guido van Rossum <guido@python.org> parents: 307 diff changeset	266 ret = (*op->ob_type->tp_print)(op, fp, flags);
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	267 }
322 1a6cf1f8ccec Check for write errors after printing a value Guido van Rossum <guido@python.org> parents: 307 diff changeset	268 if (ret == 0) {
1a6cf1f8ccec Check for write errors after printing a value Guido van Rossum <guido@python.org> parents: 307 diff changeset	269 if (ferror(fp)) {
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5006 diff changeset	270 PyErr_SetFromErrno(PyExc_IOError);
322 1a6cf1f8ccec Check for write errors after printing a value Guido van Rossum <guido@python.org> parents: 307 diff changeset	271 clearerr(fp);
1a6cf1f8ccec Check for write errors after printing a value Guido van Rossum <guido@python.org> parents: 307 diff changeset	272 ret = -1;
1a6cf1f8ccec Check for write errors after printing a value Guido van Rossum <guido@python.org> parents: 307 diff changeset	273 }
1a6cf1f8ccec Check for write errors after printing a value Guido van Rossum <guido@python.org> parents: 307 diff changeset	274 }
1a6cf1f8ccec Check for write errors after printing a value Guido van Rossum <guido@python.org> parents: 307 diff changeset	275 return ret;
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	276 }
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	277
27234 e9f45b8efd6b Fix SF bug #667147, Segmentation fault printing str subclass Neal Norwitz <nnorwitz@gmail.com> parents: 26263 diff changeset	278 int
e9f45b8efd6b Fix SF bug #667147, Segmentation fault printing str subclass Neal Norwitz <nnorwitz@gmail.com> parents: 26263 diff changeset	279 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	280 {
e9f45b8efd6b Fix SF bug #667147, Segmentation fault printing str subclass Neal Norwitz <nnorwitz@gmail.com> parents: 26263 diff changeset	281 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	282 }
e9f45b8efd6b Fix SF bug #667147, Segmentation fault printing str subclass Neal Norwitz <nnorwitz@gmail.com> parents: 26263 diff changeset	283
e9f45b8efd6b Fix SF bug #667147, Segmentation fault printing str subclass Neal Norwitz <nnorwitz@gmail.com> parents: 26263 diff changeset	284
16165 0a72070eab6e A few miscellaneous helpers. Barry Warsaw <barry@python.org> parents: 16123 diff changeset	285 /* 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	286 void _PyObject_Dump(PyObject* op)
16165 0a72070eab6e A few miscellaneous helpers. Barry Warsaw <barry@python.org> parents: 16123 diff changeset	287 {
16742 db61894b0d6f _PyObject_Dump(): If argument is NULL, print "NULL" instead of Barry Warsaw <barry@python.org> parents: 16741 diff changeset	288 if (op == NULL)
db61894b0d6f _PyObject_Dump(): If argument is NULL, print "NULL" instead of Barry Warsaw <barry@python.org> parents: 16741 diff changeset	289 fprintf(stderr, "NULL\n");
db61894b0d6f _PyObject_Dump(): If argument is NULL, print "NULL" instead of Barry Warsaw <barry@python.org> parents: 16741 diff changeset	290 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	291 fprintf(stderr, "object : ");
16742 db61894b0d6f _PyObject_Dump(): If argument is NULL, print "NULL" instead of Barry Warsaw <barry@python.org> parents: 16741 diff changeset	292 (void)PyObject_Print(op, stderr, 0);
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	293 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	294 "type : %s\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	295 "refcount: %d\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	296 "address : %p\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	297 op->ob_type==NULL ? "NULL" : op->ob_type->tp_name,
f39a9be7c9af _PyObject_Dump(): print the type of the object. This is by far the Guido van Rossum <guido@python.org> parents: 19846 diff changeset	298 op->ob_refcnt,
f39a9be7c9af _PyObject_Dump(): print the type of the object. This is by far the Guido van Rossum <guido@python.org> parents: 19846 diff changeset	299 op);
16742 db61894b0d6f _PyObject_Dump(): If argument is NULL, print "NULL" instead of Barry Warsaw <barry@python.org> parents: 16741 diff changeset	300 }
16165 0a72070eab6e A few miscellaneous helpers. Barry Warsaw <barry@python.org> parents: 16123 diff changeset	301 }
16167 71ceaba3f615 PyObject_Dump(): Use %p format to print the address of the pointer. Barry Warsaw <barry@python.org> parents: 16165 diff changeset	302
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5006 diff changeset	303 PyObject *
13473 31b1f691a7d9 ANSI-fication of the sources. Fred Drake <fdrake@acm.org> parents: 13447 diff changeset	304 PyObject_Repr(PyObject *v)
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	305 {
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5006 diff changeset	306 if (PyErr_CheckSignals())
284 6ac402023cac printobject now returns an error code Guido van Rossum <guido@python.org> parents: 231 diff changeset	307 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	308 #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	309 if (PyOS_CheckStack()) {
15318 8aa947e1eee8 Ka-Ping Yee <ping@lfw.org>: Fred Drake <fdrake@acm.org> parents: 14869 diff changeset	310 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	311 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	312 }
c69ad566aeb1 If USE_STACKCHECK is defined use PyOS_CheckStack() in the repr and str Guido van Rossum <guido@python.org> parents: 8111 diff changeset	313 #endif
284 6ac402023cac printobject now returns an error code Guido van Rossum <guido@python.org> parents: 231 diff changeset	314 if (v == NULL)
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5006 diff changeset	315 return PyString_FromString("<NULL>");
19476 0e70df98424e repr's converted to using PyString_FromFormat() instead of sprintf'ing Barry Warsaw <barry@python.org> parents: 19343 diff changeset	316 else if (v->ob_type->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	317 return PyString_FromFormat("<%s object at %p>",
19476 0e70df98424e repr's converted to using PyString_FromFormat() instead of sprintf'ing Barry Warsaw <barry@python.org> parents: 19343 diff changeset	318 v->ob_type->tp_name, v);
11969 74b7213fb609 Many changes for Unicode, by Marc-Andre Lemburg. Guido van Rossum <guido@python.org> parents: 11673 diff changeset	319 else {
74b7213fb609 Many changes for Unicode, by Marc-Andre Lemburg. Guido van Rossum <guido@python.org> parents: 11673 diff changeset	320 PyObject *res;
74b7213fb609 Many changes for Unicode, by Marc-Andre Lemburg. Guido van Rossum <guido@python.org> parents: 11673 diff changeset	321 res = (*v->ob_type->tp_repr)(v);
74b7213fb609 Many changes for Unicode, by Marc-Andre Lemburg. Guido van Rossum <guido@python.org> parents: 11673 diff changeset	322 if (res == NULL)
74b7213fb609 Many changes for Unicode, by Marc-Andre Lemburg. Guido van Rossum <guido@python.org> parents: 11673 diff changeset	323 return NULL;
19343 7257e87e0720 Patch #445762: Support --disable-unicode Martin v. Löwis <martin@v.loewis.de> parents: 19294 diff changeset	324 #ifdef Py_USING_UNICODE
13293 e38be8717ec0 changed repr and str to always convert unicode strings Fredrik Lundh <fredrik@pythonware.com> parents: 13265 diff changeset	325 if (PyUnicode_Check(res)) {
e38be8717ec0 changed repr and str to always convert unicode strings Fredrik Lundh <fredrik@pythonware.com> parents: 13265 diff changeset	326 PyObject* str;
13436 bc9e22ad5c46 - changed __repr__ to use "unicode escape" encoding for unicode Fredrik Lundh <fredrik@pythonware.com> parents: 13432 diff changeset	327 str = PyUnicode_AsUnicodeEscapeString(res);
13319 390e5d51ff73 If auto-conversion fails, the Unicode codecs will return NULL. Marc-André Lemburg <mal@egenix.com> parents: 13293 diff changeset	328 Py_DECREF(res);
390e5d51ff73 If auto-conversion fails, the Unicode codecs will return NULL. Marc-André Lemburg <mal@egenix.com> parents: 13293 diff changeset	329 if (str)
13293 e38be8717ec0 changed repr and str to always convert unicode strings Fredrik Lundh <fredrik@pythonware.com> parents: 13265 diff changeset	330 res = str;
13319 390e5d51ff73 If auto-conversion fails, the Unicode codecs will return NULL. Marc-André Lemburg <mal@egenix.com> parents: 13293 diff changeset	331 else
390e5d51ff73 If auto-conversion fails, the Unicode codecs will return NULL. Marc-André Lemburg <mal@egenix.com> parents: 13293 diff changeset	332 return NULL;
13293 e38be8717ec0 changed repr and str to always convert unicode strings Fredrik Lundh <fredrik@pythonware.com> parents: 13265 diff changeset	333 }
19343 7257e87e0720 Patch #445762: Support --disable-unicode Martin v. Löwis <martin@v.loewis.de> parents: 19294 diff changeset	334 #endif
11969 74b7213fb609 Many changes for Unicode, by Marc-Andre Lemburg. Guido van Rossum <guido@python.org> parents: 11673 diff changeset	335 if (!PyString_Check(res)) {
74b7213fb609 Many changes for Unicode, by Marc-Andre Lemburg. Guido van Rossum <guido@python.org> parents: 11673 diff changeset	336 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	337 "__repr__ returned non-string (type %.200s)",
11969 74b7213fb609 Many changes for Unicode, by Marc-Andre Lemburg. Guido van Rossum <guido@python.org> parents: 11673 diff changeset	338 res->ob_type->tp_name);
74b7213fb609 Many changes for Unicode, by Marc-Andre Lemburg. Guido van Rossum <guido@python.org> parents: 11673 diff changeset	339 Py_DECREF(res);
74b7213fb609 Many changes for Unicode, by Marc-Andre Lemburg. Guido van Rossum <guido@python.org> parents: 11673 diff changeset	340 return NULL;
74b7213fb609 Many changes for Unicode, by Marc-Andre Lemburg. Guido van Rossum <guido@python.org> parents: 11673 diff changeset	341 }
74b7213fb609 Many changes for Unicode, by Marc-Andre Lemburg. Guido van Rossum <guido@python.org> parents: 11673 diff changeset	342 return res;
74b7213fb609 Many changes for Unicode, by Marc-Andre Lemburg. Guido van Rossum <guido@python.org> parents: 11673 diff changeset	343 }
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	344 }
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	345
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5006 diff changeset	346 PyObject *
13473 31b1f691a7d9 ANSI-fication of the sources. Fred Drake <fdrake@acm.org> parents: 13447 diff changeset	347 PyObject_Str(PyObject *v)
1400 aac8231a715c * mpzmodule.c: removed redundant mpz_print function. Guido van Rossum <guido@python.org> parents: 1361 diff changeset	348 {
11969 74b7213fb609 Many changes for Unicode, by Marc-Andre Lemburg. Guido van Rossum <guido@python.org> parents: 11673 diff changeset	349 PyObject *res;
24122 d332484e394a Trashcan cleanup: Now that cyclic gc is always there, the trashcan Tim Peters <tim.peters@gmail.com> parents: 24121 diff changeset	350
1400 aac8231a715c * mpzmodule.c: removed redundant mpz_print function. Guido van Rossum <guido@python.org> parents: 1361 diff changeset	351 if (v == NULL)
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5006 diff changeset	352 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	353 if (PyString_CheckExact(v)) {
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5006 diff changeset	354 Py_INCREF(v);
1400 aac8231a715c * mpzmodule.c: removed redundant mpz_print function. Guido van Rossum <guido@python.org> parents: 1361 diff changeset	355 return v;
aac8231a715c * mpzmodule.c: removed redundant mpz_print function. Guido van Rossum <guido@python.org> parents: 1361 diff changeset	356 }
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	357 if (v->ob_type->tp_str == 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	358 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	359
d1ec679baa3d Printing objects to a real file still wasn't done right: if the Guido van Rossum <guido@python.org> parents: 17639 diff changeset	360 res = (*v->ob_type->tp_str)(v);
11969 74b7213fb609 Many changes for Unicode, by Marc-Andre Lemburg. Guido van Rossum <guido@python.org> parents: 11673 diff changeset	361 if (res == NULL)
74b7213fb609 Many changes for Unicode, by Marc-Andre Lemburg. Guido van Rossum <guido@python.org> parents: 11673 diff changeset	362 return NULL;
19343 7257e87e0720 Patch #445762: Support --disable-unicode Martin v. Löwis <martin@v.loewis.de> parents: 19294 diff changeset	363 #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	364 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	365 PyObject* str;
390e5d51ff73 If auto-conversion fails, the Unicode codecs will return NULL. Marc-André Lemburg <mal@egenix.com> parents: 13293 diff changeset	366 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	367 Py_DECREF(res);
390e5d51ff73 If auto-conversion fails, the Unicode codecs will return NULL. Marc-André Lemburg <mal@egenix.com> parents: 13293 diff changeset	368 if (str)
390e5d51ff73 If auto-conversion fails, the Unicode codecs will return NULL. Marc-André Lemburg <mal@egenix.com> parents: 13293 diff changeset	369 res = str;
390e5d51ff73 If auto-conversion fails, the Unicode codecs will return NULL. Marc-André Lemburg <mal@egenix.com> parents: 13293 diff changeset	370 else
390e5d51ff73 If auto-conversion fails, the Unicode codecs will return NULL. Marc-André Lemburg <mal@egenix.com> parents: 13293 diff changeset	371 return NULL;
390e5d51ff73 If auto-conversion fails, the Unicode codecs will return NULL. Marc-André Lemburg <mal@egenix.com> parents: 13293 diff changeset	372 }
19343 7257e87e0720 Patch #445762: Support --disable-unicode Martin v. Löwis <martin@v.loewis.de> parents: 19294 diff changeset	373 #endif
11969 74b7213fb609 Many changes for Unicode, by Marc-Andre Lemburg. Guido van Rossum <guido@python.org> parents: 11673 diff changeset	374 if (!PyString_Check(res)) {
74b7213fb609 Many changes for Unicode, by Marc-Andre Lemburg. Guido van Rossum <guido@python.org> parents: 11673 diff changeset	375 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	376 "__str__ returned non-string (type %.200s)",
11969 74b7213fb609 Many changes for Unicode, by Marc-Andre Lemburg. Guido van Rossum <guido@python.org> parents: 11673 diff changeset	377 res->ob_type->tp_name);
74b7213fb609 Many changes for Unicode, by Marc-Andre Lemburg. Guido van Rossum <guido@python.org> parents: 11673 diff changeset	378 Py_DECREF(res);
74b7213fb609 Many changes for Unicode, by Marc-Andre Lemburg. Guido van Rossum <guido@python.org> parents: 11673 diff changeset	379 return NULL;
74b7213fb609 Many changes for Unicode, by Marc-Andre Lemburg. Guido van Rossum <guido@python.org> parents: 11673 diff changeset	380 }
74b7213fb609 Many changes for Unicode, by Marc-Andre Lemburg. Guido van Rossum <guido@python.org> parents: 11673 diff changeset	381 return res;
1400 aac8231a715c * mpzmodule.c: removed redundant mpz_print function. Guido van Rossum <guido@python.org> parents: 1361 diff changeset	382 }
aac8231a715c * mpzmodule.c: removed redundant mpz_print function. Guido van Rossum <guido@python.org> parents: 1361 diff changeset	383
19343 7257e87e0720 Patch #445762: Support --disable-unicode Martin v. Löwis <martin@v.loewis.de> parents: 19294 diff changeset	384 #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	385 PyObject *
f3740674ac5b Changes to recursive-object comparisons, having to do with a test case Guido van Rossum <guido@python.org> parents: 15962 diff changeset	386 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	387 {
f3740674ac5b Changes to recursive-object comparisons, having to do with a test case Guido van Rossum <guido@python.org> parents: 15962 diff changeset	388 PyObject *res;
36978 4808ee62b156 Backport 43022: Neal Norwitz <nnorwitz@gmail.com> parents: 36976 diff changeset	389 PyObject *str;
24122 d332484e394a Trashcan cleanup: Now that cyclic gc is always there, the trashcan Tim Peters <tim.peters@gmail.com> parents: 24121 diff changeset	390
36976 8c1bf799952c Fix bug found by Coverity: don't allow NULL argument to PyUnicode_CheckExact Georg Brandl <georg@python.org> parents: 33571 diff changeset	391 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	392 res = PyString_FromString("<NULL>");
36978 4808ee62b156 Backport 43022: Neal Norwitz <nnorwitz@gmail.com> parents: 36976 diff changeset	393 if (res == NULL)
4808ee62b156 Backport 43022: Neal Norwitz <nnorwitz@gmail.com> parents: 36976 diff changeset	394 return NULL;
4808ee62b156 Backport 43022: Neal Norwitz <nnorwitz@gmail.com> parents: 36976 diff changeset	395 str = PyUnicode_FromEncodedObject(res, NULL, "strict");
4808ee62b156 Backport 43022: Neal Norwitz <nnorwitz@gmail.com> parents: 36976 diff changeset	396 Py_DECREF(res);
4808ee62b156 Backport 43022: Neal Norwitz <nnorwitz@gmail.com> parents: 36976 diff changeset	397 return str;
36976 8c1bf799952c Fix bug found by Coverity: don't allow NULL argument to PyUnicode_CheckExact Georg Brandl <georg@python.org> parents: 33571 diff changeset	398 } 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	399 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	400 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	401 }
20554 0336ee5b46d4 SF patch #470578: Fixes to synchronize unicode() and str() Guido van Rossum <guido@python.org> parents: 20464 diff changeset	402 if (PyUnicode_Check(v)) {
0336ee5b46d4 SF patch #470578: Fixes to synchronize unicode() and str() Guido van Rossum <guido@python.org> parents: 20464 diff changeset	403 /* For a Unicode subtype that's not a Unicode object,
0336ee5b46d4 SF patch #470578: Fixes to synchronize unicode() and str() Guido van Rossum <guido@python.org> parents: 20464 diff changeset	404 return a true Unicode object with the same data. */
0336ee5b46d4 SF patch #470578: Fixes to synchronize unicode() and str() Guido van Rossum <guido@python.org> parents: 20464 diff changeset	405 return PyUnicode_FromUnicode(PyUnicode_AS_UNICODE(v),
0336ee5b46d4 SF patch #470578: Fixes to synchronize unicode() and str() Guido van Rossum <guido@python.org> parents: 20464 diff changeset	406 PyUnicode_GET_SIZE(v));
0336ee5b46d4 SF patch #470578: Fixes to synchronize unicode() and str() Guido van Rossum <guido@python.org> parents: 20464 diff changeset	407 }
0336ee5b46d4 SF patch #470578: Fixes to synchronize unicode() and str() Guido van Rossum <guido@python.org> parents: 20464 diff changeset	408 if (PyString_Check(v)) {
17220 b60096d5001a Fixed ref count bug. Patch #411191. Found by Walter Dörwald. Marc-André Lemburg <mal@egenix.com> parents: 16782 diff changeset	409 Py_INCREF(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	410 res = v;
17220 b60096d5001a Fixed ref count bug. Patch #411191. Found by Walter Dörwald. Marc-André Lemburg <mal@egenix.com> parents: 16782 diff changeset	411 }
16001 f3740674ac5b Changes to recursive-object comparisons, having to do with a test case Guido van Rossum <guido@python.org> parents: 15962 diff changeset	412 else {
f3740674ac5b Changes to recursive-object comparisons, having to do with a test case Guido van Rossum <guido@python.org> parents: 15962 diff changeset	413 PyObject *func;
20554 0336ee5b46d4 SF patch #470578: Fixes to synchronize unicode() and str() Guido van Rossum <guido@python.org> parents: 20464 diff changeset	414 static PyObject *unicodestr;
0336ee5b46d4 SF patch #470578: Fixes to synchronize unicode() and str() Guido van Rossum <guido@python.org> parents: 20464 diff changeset	415 /* XXX As soon as we have a tp_unicode slot, we should
0336ee5b46d4 SF patch #470578: Fixes to synchronize unicode() and str() Guido van Rossum <guido@python.org> parents: 20464 diff changeset	416 check this before trying the __unicode__
0336ee5b46d4 SF patch #470578: Fixes to synchronize unicode() and str() Guido van Rossum <guido@python.org> parents: 20464 diff changeset	417 method. */
0336ee5b46d4 SF patch #470578: Fixes to synchronize unicode() and str() Guido van Rossum <guido@python.org> parents: 20464 diff changeset	418 if (unicodestr == NULL) {
0336ee5b46d4 SF patch #470578: Fixes to synchronize unicode() and str() Guido van Rossum <guido@python.org> parents: 20464 diff changeset	419 unicodestr= PyString_InternFromString(
0336ee5b46d4 SF patch #470578: Fixes to synchronize unicode() and str() Guido van Rossum <guido@python.org> parents: 20464 diff changeset	420 "__unicode__");
0336ee5b46d4 SF patch #470578: Fixes to synchronize unicode() and str() Guido van Rossum <guido@python.org> parents: 20464 diff changeset	421 if (unicodestr == 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	422 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	423 }
20554 0336ee5b46d4 SF patch #470578: Fixes to synchronize unicode() and str() Guido van Rossum <guido@python.org> parents: 20464 diff changeset	424 func = PyObject_GetAttr(v, unicodestr);
0336ee5b46d4 SF patch #470578: Fixes to synchronize unicode() and str() Guido van Rossum <guido@python.org> parents: 20464 diff changeset	425 if (func != NULL) {
0336ee5b46d4 SF patch #470578: Fixes to synchronize unicode() and str() Guido van Rossum <guido@python.org> parents: 20464 diff changeset	426 res = PyEval_CallObject(func, (PyObject *)NULL);
0336ee5b46d4 SF patch #470578: Fixes to synchronize unicode() and str() Guido van Rossum <guido@python.org> parents: 20464 diff changeset	427 Py_DECREF(func);
16001 f3740674ac5b Changes to recursive-object comparisons, having to do with a test case Guido van Rossum <guido@python.org> parents: 15962 diff changeset	428 }
f3740674ac5b Changes to recursive-object comparisons, having to do with a test case Guido van Rossum <guido@python.org> parents: 15962 diff changeset	429 else {
20554 0336ee5b46d4 SF patch #470578: Fixes to synchronize unicode() and str() Guido van Rossum <guido@python.org> parents: 20464 diff changeset	430 PyErr_Clear();
0336ee5b46d4 SF patch #470578: Fixes to synchronize unicode() and str() Guido van Rossum <guido@python.org> parents: 20464 diff changeset	431 if (v->ob_type->tp_str != NULL)
0336ee5b46d4 SF patch #470578: Fixes to synchronize unicode() and str() Guido van Rossum <guido@python.org> parents: 20464 diff changeset	432 res = (*v->ob_type->tp_str)(v);
0336ee5b46d4 SF patch #470578: Fixes to synchronize unicode() and str() Guido van Rossum <guido@python.org> parents: 20464 diff changeset	433 else
0336ee5b46d4 SF patch #470578: Fixes to synchronize unicode() and str() Guido van Rossum <guido@python.org> parents: 20464 diff changeset	434 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	435 }
f3740674ac5b Changes to recursive-object comparisons, having to do with a test case Guido van Rossum <guido@python.org> parents: 15962 diff changeset	436 }
f3740674ac5b Changes to recursive-object comparisons, having to do with a test case Guido van Rossum <guido@python.org> parents: 15962 diff changeset	437 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	438 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	439 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	440 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	441 Py_DECREF(res);
36978 4808ee62b156 Backport 43022: Neal Norwitz <nnorwitz@gmail.com> parents: 36976 diff changeset	442 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	443 }
f3740674ac5b Changes to recursive-object comparisons, having to do with a test case Guido van Rossum <guido@python.org> parents: 15962 diff changeset	444 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	445 }
19343 7257e87e0720 Patch #445762: Support --disable-unicode Martin v. Löwis <martin@v.loewis.de> parents: 19294 diff changeset	446 #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	447
f3740674ac5b Changes to recursive-object comparisons, having to do with a test case Guido van Rossum <guido@python.org> parents: 15962 diff changeset	448
23598 2b1d61781d63 Implement the intention of SF patch 472523 (but coded differently). Guido van Rossum <guido@python.org> parents: 23542 diff changeset	449 /* 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	450 -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	451 -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	452 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	453 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	454 (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	455 */
2b1d61781d63 Implement the intention of SF patch 472523 (but coded differently). Guido van Rossum <guido@python.org> parents: 23542 diff changeset	456 static int
2b1d61781d63 Implement the intention of SF patch 472523 (but coded differently). Guido van Rossum <guido@python.org> parents: 23542 diff changeset	457 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	458 {
2b1d61781d63 Implement the intention of SF patch 472523 (but coded differently). Guido van Rossum <guido@python.org> parents: 23542 diff changeset	459 if (PyErr_Occurred()) {
2b1d61781d63 Implement the intention of SF patch 472523 (but coded differently). Guido van Rossum <guido@python.org> parents: 23542 diff changeset	460 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	461 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	462 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	463 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	464 "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	465 "for exception") < 0) {
2b1d61781d63 Implement the intention of SF patch 472523 (but coded differently). Guido van Rossum <guido@python.org> parents: 23542 diff changeset	466 Py_XDECREF(t);
2b1d61781d63 Implement the intention of SF patch 472523 (but coded differently). Guido van Rossum <guido@python.org> parents: 23542 diff changeset	467 Py_XDECREF(v);
2b1d61781d63 Implement the intention of SF patch 472523 (but coded differently). Guido van Rossum <guido@python.org> parents: 23542 diff changeset	468 Py_XDECREF(tb);
2b1d61781d63 Implement the intention of SF patch 472523 (but coded differently). Guido van Rossum <guido@python.org> parents: 23542 diff changeset	469 }
2b1d61781d63 Implement the intention of SF patch 472523 (but coded differently). Guido van Rossum <guido@python.org> parents: 23542 diff changeset	470 else
2b1d61781d63 Implement the intention of SF patch 472523 (but coded differently). Guido van Rossum <guido@python.org> parents: 23542 diff changeset	471 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	472 }
2b1d61781d63 Implement the intention of SF patch 472523 (but coded differently). Guido van Rossum <guido@python.org> parents: 23542 diff changeset	473 return -2;
2b1d61781d63 Implement the intention of SF patch 472523 (but coded differently). Guido van Rossum <guido@python.org> parents: 23542 diff changeset	474 }
2b1d61781d63 Implement the intention of SF patch 472523 (but coded differently). Guido van Rossum <guido@python.org> parents: 23542 diff changeset	475 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	476 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	477 "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	478 return -2;
2b1d61781d63 Implement the intention of SF patch 472523 (but coded differently). Guido van Rossum <guido@python.org> parents: 23542 diff changeset	479 else
2b1d61781d63 Implement the intention of SF patch 472523 (but coded differently). Guido van Rossum <guido@python.org> parents: 23542 diff changeset	480 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	481 }
2b1d61781d63 Implement the intention of SF patch 472523 (but coded differently). Guido van Rossum <guido@python.org> parents: 23542 diff changeset	482 else {
2b1d61781d63 Implement the intention of SF patch 472523 (but coded differently). Guido van Rossum <guido@python.org> parents: 23542 diff changeset	483 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	484 return c;
2b1d61781d63 Implement the intention of SF patch 472523 (but coded differently). Guido van Rossum <guido@python.org> parents: 23542 diff changeset	485 }
2b1d61781d63 Implement the intention of SF patch 472523 (but coded differently). Guido van Rossum <guido@python.org> parents: 23542 diff changeset	486 }
2b1d61781d63 Implement the intention of SF patch 472523 (but coded differently). Guido van Rossum <guido@python.org> parents: 23542 diff changeset	487
2b1d61781d63 Implement the intention of SF patch 472523 (but coded differently). Guido van Rossum <guido@python.org> parents: 23542 diff changeset	488
16236 e5d59a9dbfc0 Check the Py_TPFLAGS_HAVE_RICHCOMPARE flag before using the Guido van Rossum <guido@python.org> parents: 16197 diff changeset	489 /* 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	490 #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	491 ? (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	492
15941 5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	493 /* 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	494 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	495
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	496 /* 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	497 NULL for exception;
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	498 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	499 undefined;
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	500 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	501 (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	502 */
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	503 static PyObject *
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	504 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	505 {
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	506 richcmpfunc f;
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	507 PyObject *res;
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	508
20140 225f17ec8932 Merge branch changes (coercion, rich comparisons) into trunk. Guido van Rossum <guido@python.org> parents: 20002 diff changeset	509 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	510 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	511 (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	512 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	513 if (res != Py_NotImplemented)
225f17ec8932 Merge branch changes (coercion, rich comparisons) into trunk. Guido van Rossum <guido@python.org> parents: 20002 diff changeset	514 return res;
225f17ec8932 Merge branch changes (coercion, rich comparisons) into trunk. Guido van Rossum <guido@python.org> parents: 20002 diff changeset	515 Py_DECREF(res);
225f17ec8932 Merge branch changes (coercion, rich comparisons) into trunk. Guido van Rossum <guido@python.org> parents: 20002 diff changeset	516 }
16236 e5d59a9dbfc0 Check the Py_TPFLAGS_HAVE_RICHCOMPARE flag before using the Guido van Rossum <guido@python.org> parents: 16197 diff changeset	517 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	518 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	519 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	520 return res;
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	521 Py_DECREF(res);
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	522 }
16236 e5d59a9dbfc0 Check the Py_TPFLAGS_HAVE_RICHCOMPARE flag before using the Guido van Rossum <guido@python.org> parents: 16197 diff changeset	523 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	524 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	525 }
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	526 res = Py_NotImplemented;
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	527 Py_INCREF(res);
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	528 return res;
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	529 }
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	530
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	531 /* 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	532 -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	533 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	534 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	535 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	536 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	537 */
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	538 static int
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	539 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	540 {
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	541 PyObject *res;
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	542 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	543
16236 e5d59a9dbfc0 Check the Py_TPFLAGS_HAVE_RICHCOMPARE flag before using the Guido van Rossum <guido@python.org> parents: 16197 diff changeset	544 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	545 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	546 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	547 if (res == NULL)
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	548 return -1;
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	549 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	550 Py_DECREF(res);
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	551 return 2;
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	552 }
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	553 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	554 Py_DECREF(res);
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	555 return ok;
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	556 }
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	557
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	558 /* 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	559 -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	560 -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	561 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	562 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	563 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	564 */
15726 db9f1893be01 Changes for PEP 208. PyObject_Compare has been rewritten. Instances no Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 15318 diff changeset	565 static int
15941 5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	566 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	567 {
15962 f1751abf771f Deal properly (?) with comparing recursive datastructures. Guido van Rossum <guido@python.org> parents: 15952 diff changeset	568 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	569 /* 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	570 {Py_EQ, 0},
f1751abf771f Deal properly (?) with comparing recursive datastructures. Guido van Rossum <guido@python.org> parents: 15952 diff changeset	571 {Py_LT, -1},
f1751abf771f Deal properly (?) with comparing recursive datastructures. Guido van Rossum <guido@python.org> parents: 15952 diff changeset	572 {Py_GT, 1},
f1751abf771f Deal properly (?) with comparing recursive datastructures. Guido van Rossum <guido@python.org> parents: 15952 diff changeset	573 };
f1751abf771f Deal properly (?) with comparing recursive datastructures. Guido van Rossum <guido@python.org> parents: 15952 diff changeset	574 int i;
f1751abf771f Deal properly (?) with comparing recursive datastructures. Guido van Rossum <guido@python.org> parents: 15952 diff changeset	575
16236 e5d59a9dbfc0 Check the Py_TPFLAGS_HAVE_RICHCOMPARE flag before using the Guido van Rossum <guido@python.org> parents: 16197 diff changeset	576 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	577 return 2; /* Shortcut */
15962 f1751abf771f Deal properly (?) with comparing recursive datastructures. Guido van Rossum <guido@python.org> parents: 15952 diff changeset	578
f1751abf771f Deal properly (?) with comparing recursive datastructures. Guido van Rossum <guido@python.org> parents: 15952 diff changeset	579 for (i = 0; i < 3; i++) {
f1751abf771f Deal properly (?) with comparing recursive datastructures. Guido van Rossum <guido@python.org> parents: 15952 diff changeset	580 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	581 case -1:
17698 aad0adf806ad SF bug #422108 - Error in rich comparisons. Tim Peters <tim.peters@gmail.com> parents: 17688 diff changeset	582 return -2;
15962 f1751abf771f Deal properly (?) with comparing recursive datastructures. Guido van Rossum <guido@python.org> parents: 15952 diff changeset	583 case 1:
f1751abf771f Deal properly (?) with comparing recursive datastructures. Guido van Rossum <guido@python.org> parents: 15952 diff changeset	584 return tries[i].outcome;
f1751abf771f Deal properly (?) with comparing recursive datastructures. Guido van Rossum <guido@python.org> parents: 15952 diff changeset	585 }
15941 5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	586 }
15962 f1751abf771f Deal properly (?) with comparing recursive datastructures. Guido van Rossum <guido@python.org> parents: 15952 diff changeset	587
f1751abf771f Deal properly (?) with comparing recursive datastructures. Guido van Rossum <guido@python.org> parents: 15952 diff changeset	588 return 2;
15941 5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	589 }
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	590
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	591 /* 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	592 -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	593 -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	594 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	595 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	596 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	597 */
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	598 static int
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	599 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	600 {
db9f1893be01 Changes for PEP 208. PyObject_Compare has been rewritten. Instances no Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 15318 diff changeset	601 int c;
15941 5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	602 cmpfunc f;
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	603
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	604 /* 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	605 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	606
19970 f761cab28c1c Hopefully fix 3-way comparisons. This unfortunately adds yet another Guido van Rossum <guido@python.org> parents: 19932 diff changeset	607 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	608 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	609 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	610 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	611 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	612
19970 f761cab28c1c Hopefully fix 3-way comparisons. This unfortunately adds yet another Guido van Rossum <guido@python.org> parents: 19932 diff changeset	613 /* 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	614 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	615 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	616 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	617 }
f761cab28c1c Hopefully fix 3-way comparisons. This unfortunately adds yet another Guido van Rossum <guido@python.org> parents: 19932 diff changeset	618
f761cab28c1c Hopefully fix 3-way comparisons. This unfortunately adds yet another Guido van Rossum <guido@python.org> parents: 19932 diff changeset	619 /* 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	620 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	621 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	622 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	623
15941 5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	624 /* Try coercion; if it fails, give up */
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	625 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	626 if (c < 0)
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	627 return -2;
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	628 if (c > 0)
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	629 return 2;
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	630
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	631 /* Try v's comparison, if defined */
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	632 if ((f = v->ob_type->tp_compare) != NULL) {
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	633 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	634 Py_DECREF(v);
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	635 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	636 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	637 }
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	638
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	639 /* Try w's comparison, if defined */
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	640 if ((f = w->ob_type->tp_compare) != NULL) {
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	641 c = (f)(w, v); / swapped! */
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	642 Py_DECREF(v);
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	643 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	644 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	645 if (c >= -1)
2b1d61781d63 Implement the intention of SF patch 472523 (but coded differently). Guido van Rossum <guido@python.org> parents: 23542 diff changeset	646 return -c; /* Swapped! */
2b1d61781d63 Implement the intention of SF patch 472523 (but coded differently). Guido van Rossum <guido@python.org> parents: 23542 diff changeset	647 else
2b1d61781d63 Implement the intention of SF patch 472523 (but coded differently). Guido van Rossum <guido@python.org> parents: 23542 diff changeset	648 return c;
15726 db9f1893be01 Changes for PEP 208. PyObject_Compare has been rewritten. Instances no Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 15318 diff changeset	649 }
15941 5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	650
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	651 /* No comparison defined */
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	652 Py_DECREF(v);
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	653 Py_DECREF(w);
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	654 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	655 }
db9f1893be01 Changes for PEP 208. PyObject_Compare has been rewritten. Instances no Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 15318 diff changeset	656
15941 5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	657 /* 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	658 -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	659 -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	660 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	661 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	662 */
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	663 static int
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	664 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	665 {
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	666 int c;
16108 28d8ccbe237f Once again, numeric-smelling objects compare smaller than non-numeric Guido van Rossum <guido@python.org> parents: 16079 diff changeset	667 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	668
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	669 if (v->ob_type == w->ob_type) {
16062 afc6f1137ea4 Tim chastens: Barry Warsaw <barry@python.org> parents: 16061 diff changeset	670 /* When comparing these pointers, they must be cast to
afc6f1137ea4 Tim chastens: Barry Warsaw <barry@python.org> parents: 16061 diff changeset	671 * integer types (i.e. Py_uintptr_t, our spelling of C9X's
afc6f1137ea4 Tim chastens: Barry Warsaw <barry@python.org> parents: 16061 diff changeset	672 * uintptr_t). ANSI specifies that pointer compares other
afc6f1137ea4 Tim chastens: Barry Warsaw <barry@python.org> parents: 16061 diff changeset	673 * than == and != to non-related structures are undefined.
afc6f1137ea4 Tim chastens: Barry Warsaw <barry@python.org> parents: 16061 diff changeset	674 */
16061 6b647a5d5b7e default_3way_compare(): When comparing the pointers, they must be cast Barry Warsaw <barry@python.org> parents: 16002 diff changeset	675 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	676 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	677 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	678 }
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	679
19343 7257e87e0720 Patch #445762: Support --disable-unicode Martin v. Löwis <martin@v.loewis.de> parents: 19294 diff changeset	680 #ifdef Py_USING_UNICODE
15941 5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	681 /* Special case for Unicode */
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	682 if (PyUnicode_Check(v) \|\| PyUnicode_Check(w)) {
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	683 c = PyUnicode_Compare(v, w);
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	684 if (!PyErr_Occurred())
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	685 return c;
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	686 /* TypeErrors are ignored: if Unicode coercion fails due
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	687 to one of the arguments not having the right type, we
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	688 continue as defined by the coercion protocol (see
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	689 above). Luckily, decoding errors are reported as
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	690 ValueErrors and are not masked by this technique. */
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	691 if (!PyErr_ExceptionMatches(PyExc_TypeError))
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	692 return -2;
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	693 PyErr_Clear();
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	694 }
19343 7257e87e0720 Patch #445762: Support --disable-unicode Martin v. Löwis <martin@v.loewis.de> parents: 19294 diff changeset	695 #endif
15941 5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	696
16123 f997ded4e219 New special case in comparisons: None is smaller than any other object Guido van Rossum <guido@python.org> parents: 16108 diff changeset	697 /* 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	698 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	699 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	700 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	701 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	702
27938 c9401a36bae7 default_3way_compare(): use PyNumber_Check(), rather than testing for Guido van Rossum <guido@python.org> parents: 27702 diff changeset	703 /* 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	704 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	705 vname = "";
28d8ccbe237f Once again, numeric-smelling objects compare smaller than non-numeric Guido van Rossum <guido@python.org> parents: 16079 diff changeset	706 else
28d8ccbe237f Once again, numeric-smelling objects compare smaller than non-numeric Guido van Rossum <guido@python.org> parents: 16079 diff changeset	707 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	708 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	709 wname = "";
28d8ccbe237f Once again, numeric-smelling objects compare smaller than non-numeric Guido van Rossum <guido@python.org> parents: 16079 diff changeset	710 else
28d8ccbe237f Once again, numeric-smelling objects compare smaller than non-numeric Guido van Rossum <guido@python.org> parents: 16079 diff changeset	711 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	712 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	713 if (c < 0)
28d8ccbe237f Once again, numeric-smelling objects compare smaller than non-numeric Guido van Rossum <guido@python.org> parents: 16079 diff changeset	714 return -1;
28d8ccbe237f Once again, numeric-smelling objects compare smaller than non-numeric Guido van Rossum <guido@python.org> parents: 16079 diff changeset	715 if (c > 0)
28d8ccbe237f Once again, numeric-smelling objects compare smaller than non-numeric Guido van Rossum <guido@python.org> parents: 16079 diff changeset	716 return 1;
28d8ccbe237f Once again, numeric-smelling objects compare smaller than non-numeric Guido van Rossum <guido@python.org> parents: 16079 diff changeset	717 /* 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	718 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	719 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	720 }
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	721
17698 aad0adf806ad SF bug #422108 - Error in rich comparisons. Tim Peters <tim.peters@gmail.com> parents: 17688 diff changeset	722 /* 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	723 -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	724 -1 if v < w;
17698 aad0adf806ad SF bug #422108 - Error in rich comparisons. Tim Peters <tim.peters@gmail.com> parents: 17688 diff changeset	725 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	726 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	727 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	728 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	729 */
15726 db9f1893be01 Changes for PEP 208. PyObject_Compare has been rewritten. Instances no Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 15318 diff changeset	730 static int
13473 31b1f691a7d9 ANSI-fication of the sources. Fred Drake <fdrake@acm.org> parents: 13447 diff changeset	731 do_cmp(PyObject v, PyObject w)
2124 36847b8b575d properly implement cmp() for class instances Guido van Rossum <guido@python.org> parents: 2113 diff changeset	732 {
15726 db9f1893be01 Changes for PEP 208. PyObject_Compare has been rewritten. Instances no Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 15318 diff changeset	733 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	734 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	735
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	736 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	737 && (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	738 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	739 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	740 /* 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	741 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	742 if (c != 2)
2b1d61781d63 Implement the intention of SF patch 472523 (but coded differently). Guido van Rossum <guido@python.org> parents: 23542 diff changeset	743 return c;
23599 197fb305fc5c Fix typo Neal Norwitz <nnorwitz@gmail.com> parents: 23598 diff changeset	744 /* 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	745 }
2b1d61781d63 Implement the intention of SF patch 472523 (but coded differently). Guido van Rossum <guido@python.org> parents: 23542 diff changeset	746 else
2b1d61781d63 Implement the intention of SF patch 472523 (but coded differently). Guido van Rossum <guido@python.org> parents: 23542 diff changeset	747 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	748 }
23598 2b1d61781d63 Implement the intention of SF patch 472523 (but coded differently). Guido van Rossum <guido@python.org> parents: 23542 diff changeset	749 /* 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	750 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	751 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	752 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	753 __cmp__ returns NotImplemented
2b1d61781d63 Implement the intention of SF patch 472523 (but coded differently). Guido van Rossum <guido@python.org> parents: 23542 diff changeset	754 */
15941 5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	755 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	756 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	757 return c;
15941 5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	758 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	759 if (c < 2)
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	760 return c;
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	761 return default_3way_compare(v, w);
2124 36847b8b575d properly implement cmp() for class instances Guido van Rossum <guido@python.org> parents: 2113 diff changeset	762 }
36847b8b575d properly implement cmp() for class instances Guido van Rossum <guido@python.org> parents: 2113 diff changeset	763
20863 d6ff1daae398 No code change -- just trying to document the return conditions for all Tim Peters <tim.peters@gmail.com> parents: 20612 diff changeset	764 /* 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	765 -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	766 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	767 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	768 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	769 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	770 */
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	771 int
13473 31b1f691a7d9 ANSI-fication of the sources. Fred Drake <fdrake@acm.org> parents: 13447 diff changeset	772 PyObject_Compare(PyObject v, PyObject w)
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	773 {
12406 ec6b6ca5d111 Fix PR#7 comparisons of recursive objects Jeremy Hylton <jeremy@alum.mit.edu> parents: 12327 diff changeset	774 int result;
ec6b6ca5d111 Fix PR#7 comparisons of recursive objects Jeremy Hylton <jeremy@alum.mit.edu> parents: 12327 diff changeset	775
5610 10e9cfa010f0 PyObject_Compare can raise an exception now. Guido van Rossum <guido@python.org> parents: 5560 diff changeset	776 if (v == NULL \|\| w == NULL) {
10e9cfa010f0 PyObject_Compare can raise an exception now. Guido van Rossum <guido@python.org> parents: 5560 diff changeset	777 PyErr_BadInternalCall();
10e9cfa010f0 PyObject_Compare can raise an exception now. Guido van Rossum <guido@python.org> parents: 5560 diff changeset	778 return -1;
10e9cfa010f0 PyObject_Compare can raise an exception now. Guido van Rossum <guido@python.org> parents: 5560 diff changeset	779 }
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	780 if (v == w)
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	781 return 0;
30801 c42c40034536 Deleting cyclic object comparison. Armin Rigo <arigo@tunes.org> parents: 30159 diff changeset	782 if (Py_EnterRecursiveCall(" in cmp"))
c42c40034536 Deleting cyclic object comparison. Armin Rigo <arigo@tunes.org> parents: 30159 diff changeset	783 return -1;
c42c40034536 Deleting cyclic object comparison. Armin Rigo <arigo@tunes.org> parents: 30159 diff changeset	784 result = do_cmp(v, w);
c42c40034536 Deleting cyclic object comparison. Armin Rigo <arigo@tunes.org> parents: 30159 diff changeset	785 Py_LeaveRecursiveCall();
15941 5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	786 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	787 }
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	788
20863 d6ff1daae398 No code change -- just trying to document the return conditions for all Tim Peters <tim.peters@gmail.com> parents: 20612 diff changeset	789 /* 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	790 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	791 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	792 {
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	793 PyObject *result;
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	794 switch (op) {
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	795 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	796 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	797 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	798 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	799 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	800 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	801 }
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	802 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	803 Py_INCREF(result);
12406 ec6b6ca5d111 Fix PR#7 comparisons of recursive objects Jeremy Hylton <jeremy@alum.mit.edu> parents: 12327 diff changeset	804 return result;
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	805 }
24122 d332484e394a Trashcan cleanup: Now that cyclic gc is always there, the trashcan Tim Peters <tim.peters@gmail.com> parents: 24121 diff changeset	806
20863 d6ff1daae398 No code change -- just trying to document the return conditions for all Tim Peters <tim.peters@gmail.com> parents: 20612 diff changeset	807 /* 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	808 Return
d6ff1daae398 No code change -- just trying to document the return conditions for all Tim Peters <tim.peters@gmail.com> parents: 20612 diff changeset	809 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	810 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	811 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	812 */
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	813 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	814 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	815 {
bbac2a6a5d16 Patch #424475: Speed-up tp_compare usage, by special-casing the common Martin v. Löwis <martin@v.loewis.de> parents: 17781 diff changeset	816 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	817
bbac2a6a5d16 Patch #424475: Speed-up tp_compare usage, by special-casing the common Martin v. Löwis <martin@v.loewis.de> parents: 17781 diff changeset	818 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	819 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	820 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	821 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	822 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	823 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	824 }
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	825
20863 d6ff1daae398 No code change -- just trying to document the return conditions for all Tim Peters <tim.peters@gmail.com> parents: 20612 diff changeset	826 /* 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	827 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	828 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	829 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	830 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	831 */
16079 c4355905b044 Remove a smelly export. Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 16062 diff changeset	832 static PyObject *
15941 5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	833 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	834 {
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	835 PyObject *res;
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	836
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	837 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	838 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	839 return res;
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	840 Py_DECREF(res);
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	841
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	842 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	843 }
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	844
20863 d6ff1daae398 No code change -- just trying to document the return conditions for all Tim Peters <tim.peters@gmail.com> parents: 20612 diff changeset	845 /* Return:
d6ff1daae398 No code change -- just trying to document the return conditions for all Tim Peters <tim.peters@gmail.com> parents: 20612 diff changeset	846 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	847 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	848 (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	849 */
15941 5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	850 PyObject *
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	851 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	852 {
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	853 PyObject *res;
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	854
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	855 assert(Py_LT <= op && op <= Py_GE);
30801 c42c40034536 Deleting cyclic object comparison. Armin Rigo <arigo@tunes.org> parents: 30159 diff changeset	856 if (Py_EnterRecursiveCall(" in cmp"))
c42c40034536 Deleting cyclic object comparison. Armin Rigo <arigo@tunes.org> parents: 30159 diff changeset	857 return NULL;
15941 5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	858
30801 c42c40034536 Deleting cyclic object comparison. Armin Rigo <arigo@tunes.org> parents: 30159 diff changeset	859 /* 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	860 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	861 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	862 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	863 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	864 /* 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	865 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	866 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	867 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	868 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	869 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	870 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	871 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	872 }
f54828eb8e07 Rehabilitated the fast-path richcmp code, and sped it up. It wasn't Tim Peters <tim.peters@gmail.com> parents: 20863 diff changeset	873 /* 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	874 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	875 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	876 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	877 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	878 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	879 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	880 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	881 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	882 }
f54828eb8e07 Rehabilitated the fast-path richcmp code, and sped it up. It wasn't Tim Peters <tim.peters@gmail.com> parents: 20863 diff changeset	883 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	884 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	885 }
15962 f1751abf771f Deal properly (?) with comparing recursive datastructures. Guido van Rossum <guido@python.org> parents: 15952 diff changeset	886 }
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	887
f54828eb8e07 Rehabilitated the fast-path richcmp code, and sped it up. It wasn't Tim Peters <tim.peters@gmail.com> parents: 20863 diff changeset	888 /* 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	889 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	890 Done:
30801 c42c40034536 Deleting cyclic object comparison. Armin Rigo <arigo@tunes.org> parents: 30159 diff changeset	891 Py_LeaveRecursiveCall();
15941 5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	892 return res;
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	893 }
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	894
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	895 /* 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	896 int
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	897 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	898 {
31736 6fcbf6ac699a Add identity shortcut to PyObject_RichCompareBool. Raymond Hettinger <python@rcn.com> parents: 31433 diff changeset	899 PyObject *res;
15941 5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	900 int ok;
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	901
31736 6fcbf6ac699a Add identity shortcut to PyObject_RichCompareBool. Raymond Hettinger <python@rcn.com> parents: 31433 diff changeset	902 /* Quick result when objects are the same.
6fcbf6ac699a Add identity shortcut to PyObject_RichCompareBool. Raymond Hettinger <python@rcn.com> parents: 31433 diff changeset	903 Guarantees that identity implies equality. */
6fcbf6ac699a Add identity shortcut to PyObject_RichCompareBool. Raymond Hettinger <python@rcn.com> parents: 31433 diff changeset	904 if (v == w) {
6fcbf6ac699a Add identity shortcut to PyObject_RichCompareBool. Raymond Hettinger <python@rcn.com> parents: 31433 diff changeset	905 if (op == Py_EQ)
6fcbf6ac699a Add identity shortcut to PyObject_RichCompareBool. Raymond Hettinger <python@rcn.com> parents: 31433 diff changeset	906 return 1;
6fcbf6ac699a Add identity shortcut to PyObject_RichCompareBool. Raymond Hettinger <python@rcn.com> parents: 31433 diff changeset	907 else if (op == Py_NE)
6fcbf6ac699a Add identity shortcut to PyObject_RichCompareBool. Raymond Hettinger <python@rcn.com> parents: 31433 diff changeset	908 return 0;
6fcbf6ac699a Add identity shortcut to PyObject_RichCompareBool. Raymond Hettinger <python@rcn.com> parents: 31433 diff changeset	909 }
6fcbf6ac699a Add identity shortcut to PyObject_RichCompareBool. Raymond Hettinger <python@rcn.com> parents: 31433 diff changeset	910
6fcbf6ac699a Add identity shortcut to PyObject_RichCompareBool. Raymond Hettinger <python@rcn.com> parents: 31433 diff changeset	911 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	912 if (res == NULL)
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	913 return -1;
25013 68627e0acd15 Speedup for PyObject_RichCompareBool(): PyObject_RichCompare() almost Guido van Rossum <guido@python.org> parents: 24897 diff changeset	914 if (PyBool_Check(res))
68627e0acd15 Speedup for PyObject_RichCompareBool(): PyObject_RichCompare() almost Guido van Rossum <guido@python.org> parents: 24897 diff changeset	915 ok = (res == Py_True);
68627e0acd15 Speedup for PyObject_RichCompareBool(): PyObject_RichCompare() almost Guido van Rossum <guido@python.org> parents: 24897 diff changeset	916 else
68627e0acd15 Speedup for PyObject_RichCompareBool(): PyObject_RichCompare() almost Guido van Rossum <guido@python.org> parents: 24897 diff changeset	917 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	918 Py_DECREF(res);
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	919 return ok;
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	920 }
13141 cca84745da3e This patch addresses two main issues: (1) There exist some non-fatal Fred Drake <fdrake@acm.org> parents: 13089 diff changeset	921
cca84745da3e This patch addresses two main issues: (1) There exist some non-fatal Fred Drake <fdrake@acm.org> parents: 13089 diff changeset	922 /* 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	923 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	924
cca84745da3e This patch addresses two main issues: (1) There exist some non-fatal Fred Drake <fdrake@acm.org> parents: 13089 diff changeset	925 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	926 */
cca84745da3e This patch addresses two main issues: (1) There exist some non-fatal Fred Drake <fdrake@acm.org> parents: 13089 diff changeset	927
cca84745da3e This patch addresses two main issues: (1) There exist some non-fatal Fred Drake <fdrake@acm.org> parents: 13089 diff changeset	928 long
13473 31b1f691a7d9 ANSI-fication of the sources. Fred Drake <fdrake@acm.org> parents: 13447 diff changeset	929 _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	930 {
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	931 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	932 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	933 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	934 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	935 /* 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	936 * 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	937 * 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	938 */
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	939
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	940 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	941 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	942 /* 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	943 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	944 /* 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	945 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	946 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	947 /* 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	948 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	949 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	950 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	951 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	952 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	953 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	954 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	955 }
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	956 /* 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	957 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	958 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	959 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	960 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	961 }
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	962 /* 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	963 * 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	964 * 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	965 * 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	966 * 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	967 * 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	968 * 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	969 * 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	970 * 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	971 * 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	972 * 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	973 */
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	974 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	975 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	976 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	977 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	978 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	979 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	980 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	981 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	982 }
cca84745da3e This patch addresses two main issues: (1) There exist some non-fatal Fred Drake <fdrake@acm.org> parents: 13089 diff changeset	983
cca84745da3e This patch addresses two main issues: (1) There exist some non-fatal Fred Drake <fdrake@acm.org> parents: 13089 diff changeset	984 long
13473 31b1f691a7d9 ANSI-fication of the sources. Fred Drake <fdrake@acm.org> parents: 13447 diff changeset	985 _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	986 {
cca84745da3e This patch addresses two main issues: (1) There exist some non-fatal Fred Drake <fdrake@acm.org> parents: 13089 diff changeset	987 #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	988 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	989 #else
cca84745da3e This patch addresses two main issues: (1) There exist some non-fatal Fred Drake <fdrake@acm.org> parents: 13089 diff changeset	990 /* 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	991 PyObject* longobj;
cca84745da3e This patch addresses two main issues: (1) There exist some non-fatal Fred Drake <fdrake@acm.org> parents: 13089 diff changeset	992 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	993
13141 cca84745da3e This patch addresses two main issues: (1) There exist some non-fatal Fred Drake <fdrake@acm.org> parents: 13089 diff changeset	994 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	995 x = -1;
cca84745da3e This patch addresses two main issues: (1) There exist some non-fatal Fred Drake <fdrake@acm.org> parents: 13089 diff changeset	996 goto finally;
cca84745da3e This patch addresses two main issues: (1) There exist some non-fatal Fred Drake <fdrake@acm.org> parents: 13089 diff changeset	997 }
cca84745da3e This patch addresses two main issues: (1) There exist some non-fatal Fred Drake <fdrake@acm.org> parents: 13089 diff changeset	998 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	999
13141 cca84745da3e This patch addresses two main issues: (1) There exist some non-fatal Fred Drake <fdrake@acm.org> parents: 13089 diff changeset	1000 finally:
cca84745da3e This patch addresses two main issues: (1) There exist some non-fatal Fred Drake <fdrake@acm.org> parents: 13089 diff changeset	1001 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	1002 return x;
cca84745da3e This patch addresses two main issues: (1) There exist some non-fatal Fred Drake <fdrake@acm.org> parents: 13089 diff changeset	1003 #endif
cca84745da3e This patch addresses two main issues: (1) There exist some non-fatal Fred Drake <fdrake@acm.org> parents: 13089 diff changeset	1004 }
cca84745da3e This patch addresses two main issues: (1) There exist some non-fatal Fred Drake <fdrake@acm.org> parents: 13089 diff changeset	1005
cca84745da3e This patch addresses two main issues: (1) There exist some non-fatal Fred Drake <fdrake@acm.org> parents: 13089 diff changeset	1006
1257 1cabc2b6c970 * Changed all copyright messages to include 1993. Guido van Rossum <guido@python.org> parents: 1051 diff changeset	1007 long
13473 31b1f691a7d9 ANSI-fication of the sources. Fred Drake <fdrake@acm.org> parents: 13447 diff changeset	1008 PyObject_Hash(PyObject *v)
1257 1cabc2b6c970 * Changed all copyright messages to include 1993. Guido van Rossum <guido@python.org> parents: 1051 diff changeset	1009 {
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5006 diff changeset	1010 PyTypeObject *tp = v->ob_type;
1257 1cabc2b6c970 * Changed all copyright messages to include 1993. Guido van Rossum <guido@python.org> parents: 1051 diff changeset	1011 if (tp->tp_hash != NULL)
1cabc2b6c970 * Changed all copyright messages to include 1993. Guido van Rossum <guido@python.org> parents: 1051 diff changeset	1012 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	1013 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	1014 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	1015 }
1257 1cabc2b6c970 * Changed all copyright messages to include 1993. Guido van Rossum <guido@python.org> parents: 1051 diff changeset	1016 /* If there's a cmp but no hash defined, the object can't be hashed */
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5006 diff changeset	1017 PyErr_SetString(PyExc_TypeError, "unhashable type");
1257 1cabc2b6c970 * Changed all copyright messages to include 1993. Guido van Rossum <guido@python.org> parents: 1051 diff changeset	1018 return -1;
1cabc2b6c970 * Changed all copyright messages to include 1993. Guido van Rossum <guido@python.org> parents: 1051 diff changeset	1019 }
1cabc2b6c970 * Changed all copyright messages to include 1993. Guido van Rossum <guido@python.org> parents: 1051 diff changeset	1020
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5006 diff changeset	1021 PyObject *
13473 31b1f691a7d9 ANSI-fication of the sources. Fred Drake <fdrake@acm.org> parents: 13447 diff changeset	1022 PyObject_GetAttrString(PyObject v, char name)
86 a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: 58 diff changeset	1023 {
18933 09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1024 PyObject w, res;
3986 9c2cbf306864 Support for tp_getattro, tp_setattro (Sjoerd) Guido van Rossum <guido@python.org> parents: 3770 diff changeset	1025
18933 09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1026 if (v->ob_type->tp_getattr != NULL)
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1027 return (*v->ob_type->tp_getattr)(v, name);
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1028 w = PyString_InternFromString(name);
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1029 if (w == NULL)
86 a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: 58 diff changeset	1030 return NULL;
18933 09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1031 res = PyObject_GetAttr(v, w);
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1032 Py_XDECREF(w);
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1033 return res;
86 a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: 58 diff changeset	1034 }
a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: 58 diff changeset	1035
a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: 58 diff changeset	1036 int
13473 31b1f691a7d9 ANSI-fication of the sources. Fred Drake <fdrake@acm.org> parents: 13447 diff changeset	1037 PyObject_HasAttrString(PyObject v, char name)
1324 716be765a79b * accessobject.c (ownercheck): allow a base class access to protected Guido van Rossum <guido@python.org> parents: 1282 diff changeset	1038 {
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5006 diff changeset	1039 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	1040 if (res != NULL) {
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5006 diff changeset	1041 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	1042 return 1;
716be765a79b * accessobject.c (ownercheck): allow a base class access to protected Guido van Rossum <guido@python.org> parents: 1282 diff changeset	1043 }
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5006 diff changeset	1044 PyErr_Clear();
1324 716be765a79b * accessobject.c (ownercheck): allow a base class access to protected Guido van Rossum <guido@python.org> parents: 1282 diff changeset	1045 return 0;
716be765a79b * accessobject.c (ownercheck): allow a base class access to protected Guido van Rossum <guido@python.org> parents: 1282 diff changeset	1046 }
716be765a79b * accessobject.c (ownercheck): allow a base class access to protected Guido van Rossum <guido@python.org> parents: 1282 diff changeset	1047
716be765a79b * accessobject.c (ownercheck): allow a base class access to protected Guido van Rossum <guido@python.org> parents: 1282 diff changeset	1048 int
13473 31b1f691a7d9 ANSI-fication of the sources. Fred Drake <fdrake@acm.org> parents: 13447 diff changeset	1049 PyObject_SetAttrString(PyObject v, char name, PyObject *w)
86 a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: 58 diff changeset	1050 {
18933 09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1051 PyObject *s;
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1052 int res;
3986 9c2cbf306864 Support for tp_getattro, tp_setattro (Sjoerd) Guido van Rossum <guido@python.org> parents: 3770 diff changeset	1053
18933 09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1054 if (v->ob_type->tp_setattr != NULL)
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1055 return (*v->ob_type->tp_setattr)(v, name, w);
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1056 s = PyString_InternFromString(name);
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1057 if (s == NULL)
95 a5bf7d5959ce Return -1 for errors. Guido van Rossum <guido@python.org> parents: 86 diff changeset	1058 return -1;
18933 09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1059 res = PyObject_SetAttr(v, s, w);
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1060 Py_XDECREF(s);
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1061 return res;
86 a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: 58 diff changeset	1062 }
a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: 58 diff changeset	1063
5560 8ec298b255a2 Moved PyObject_{Get,Set}Attr here (from dictobject) and add PyObject_HasAttr. Guido van Rossum <guido@python.org> parents: 5535 diff changeset	1064 PyObject *
13473 31b1f691a7d9 ANSI-fication of the sources. Fred Drake <fdrake@acm.org> parents: 13447 diff changeset	1065 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	1066 {
18933 09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1067 PyTypeObject *tp = v->ob_type;
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1068
22302 a0cc52735e6e Patch #517521: Consider byte strings before Unicode strings Martin v. Löwis <martin@v.loewis.de> parents: 22112 diff changeset	1069 if (!PyString_Check(name)) {
19343 7257e87e0720 Patch #445762: Support --disable-unicode Martin v. Löwis <martin@v.loewis.de> parents: 19294 diff changeset	1070 #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	1071 /* 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	1072 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	1073 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	1074 if (PyUnicode_Check(name)) {
a0cc52735e6e Patch #517521: Consider byte strings before Unicode strings Martin v. Löwis <martin@v.loewis.de> parents: 22112 diff changeset	1075 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	1076 if (name == NULL)
a0cc52735e6e Patch #517521: Consider byte strings before Unicode strings Martin v. Löwis <martin@v.loewis.de> parents: 22112 diff changeset	1077 return NULL;
a0cc52735e6e Patch #517521: Consider byte strings before Unicode strings Martin v. Löwis <martin@v.loewis.de> parents: 22112 diff changeset	1078 }
a0cc52735e6e Patch #517521: Consider byte strings before Unicode strings Martin v. Löwis <martin@v.loewis.de> parents: 22112 diff changeset	1079 else
a0cc52735e6e Patch #517521: Consider byte strings before Unicode strings Martin v. Löwis <martin@v.loewis.de> parents: 22112 diff changeset	1080 #endif
a0cc52735e6e Patch #517521: Consider byte strings before Unicode strings Martin v. Löwis <martin@v.loewis.de> parents: 22112 diff changeset	1081 {
a0cc52735e6e Patch #517521: Consider byte strings before Unicode strings Martin v. Löwis <martin@v.loewis.de> parents: 22112 diff changeset	1082 PyErr_SetString(PyExc_TypeError,
a0cc52735e6e Patch #517521: Consider byte strings before Unicode strings Martin v. Löwis <martin@v.loewis.de> parents: 22112 diff changeset	1083 "attribute name must be string");
14660 983502b2cd43 PyObject_SetAttr() and PyObject_GetAttr() now also accept Unicode Marc-André Lemburg <mal@egenix.com> parents: 14375 diff changeset	1084 return NULL;
22302 a0cc52735e6e Patch #517521: Consider byte strings before Unicode strings Martin v. Löwis <martin@v.loewis.de> parents: 22112 diff changeset	1085 }
12991 1a40f00a48bf raise TypeError when PyObject_Get/SetAttr called with non-string name Jeremy Hylton <jeremy@alum.mit.edu> parents: 12904 diff changeset	1086 }
18933 09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1087 if (tp->tp_getattro != NULL)
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1088 return (*tp->tp_getattro)(v, name);
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1089 if (tp->tp_getattr != NULL)
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1090 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	1091 PyErr_Format(PyExc_AttributeError,
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1092 "'%.50s' object has no attribute '%.400s'",
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1093 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	1094 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	1095 }
8ec298b255a2 Moved PyObject_{Get,Set}Attr here (from dictobject) and add PyObject_HasAttr. Guido van Rossum <guido@python.org> parents: 5535 diff changeset	1096
8ec298b255a2 Moved PyObject_{Get,Set}Attr here (from dictobject) and add PyObject_HasAttr. Guido van Rossum <guido@python.org> parents: 5535 diff changeset	1097 int
13473 31b1f691a7d9 ANSI-fication of the sources. Fred Drake <fdrake@acm.org> parents: 13447 diff changeset	1098 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	1099 {
8ec298b255a2 Moved PyObject_{Get,Set}Attr here (from dictobject) and add PyObject_HasAttr. Guido van Rossum <guido@python.org> parents: 5535 diff changeset	1100 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	1101 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	1102 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	1103 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	1104 }
8ec298b255a2 Moved PyObject_{Get,Set}Attr here (from dictobject) and add PyObject_HasAttr. Guido van Rossum <guido@python.org> parents: 5535 diff changeset	1105 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	1106 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	1107 }
8ec298b255a2 Moved PyObject_{Get,Set}Attr here (from dictobject) and add PyObject_HasAttr. Guido van Rossum <guido@python.org> parents: 5535 diff changeset	1108
8ec298b255a2 Moved PyObject_{Get,Set}Attr here (from dictobject) and add PyObject_HasAttr. Guido van Rossum <guido@python.org> parents: 5535 diff changeset	1109 int
13473 31b1f691a7d9 ANSI-fication of the sources. Fred Drake <fdrake@acm.org> parents: 13447 diff changeset	1110 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	1111 {
18933 09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1112 PyTypeObject *tp = v->ob_type;
5560 8ec298b255a2 Moved PyObject_{Get,Set}Attr here (from dictobject) and add PyObject_HasAttr. Guido van Rossum <guido@python.org> parents: 5535 diff changeset	1113 int err;
14660 983502b2cd43 PyObject_SetAttr() and PyObject_GetAttr() now also accept Unicode Marc-André Lemburg <mal@egenix.com> parents: 14375 diff changeset	1114
22302 a0cc52735e6e Patch #517521: Consider byte strings before Unicode strings Martin v. Löwis <martin@v.loewis.de> parents: 22112 diff changeset	1115 if (!PyString_Check(name)){
19343 7257e87e0720 Patch #445762: Support --disable-unicode Martin v. Löwis <martin@v.loewis.de> parents: 19294 diff changeset	1116 #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	1117 /* 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	1118 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	1119 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	1120 if (PyUnicode_Check(name)) {
a0cc52735e6e Patch #517521: Consider byte strings before Unicode strings Martin v. Löwis <martin@v.loewis.de> parents: 22112 diff changeset	1121 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	1122 if (name == NULL)
a0cc52735e6e Patch #517521: Consider byte strings before Unicode strings Martin v. Löwis <martin@v.loewis.de> parents: 22112 diff changeset	1123 return -1;
a0cc52735e6e Patch #517521: Consider byte strings before Unicode strings Martin v. Löwis <martin@v.loewis.de> parents: 22112 diff changeset	1124 }
24122 d332484e394a Trashcan cleanup: Now that cyclic gc is always there, the trashcan Tim Peters <tim.peters@gmail.com> parents: 24121 diff changeset	1125 else
22302 a0cc52735e6e Patch #517521: Consider byte strings before Unicode strings Martin v. Löwis <martin@v.loewis.de> parents: 22112 diff changeset	1126 #endif
a0cc52735e6e Patch #517521: Consider byte strings before Unicode strings Martin v. Löwis <martin@v.loewis.de> parents: 22112 diff changeset	1127 {
a0cc52735e6e Patch #517521: Consider byte strings before Unicode strings Martin v. Löwis <martin@v.loewis.de> parents: 22112 diff changeset	1128 PyErr_SetString(PyExc_TypeError,
a0cc52735e6e Patch #517521: Consider byte strings before Unicode strings Martin v. Löwis <martin@v.loewis.de> parents: 22112 diff changeset	1129 "attribute name must be string");
14660 983502b2cd43 PyObject_SetAttr() and PyObject_GetAttr() now also accept Unicode Marc-André Lemburg <mal@egenix.com> parents: 14375 diff changeset	1130 return -1;
22302 a0cc52735e6e Patch #517521: Consider byte strings before Unicode strings Martin v. Löwis <martin@v.loewis.de> parents: 22112 diff changeset	1131 }
18933 09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1132 }
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1133 else
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1134 Py_INCREF(name);
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1135
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1136 PyString_InternInPlace(&name);
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1137 if (tp->tp_setattro != NULL) {
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1138 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	1139 Py_DECREF(name);
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1140 return err;
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1141 }
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1142 if (tp->tp_setattr != NULL) {
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1143 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	1144 Py_DECREF(name);
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1145 return err;
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1146 }
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1147 Py_DECREF(name);
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1148 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	1149 PyErr_Format(PyExc_TypeError,
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1150 "'%.100s' object has no attributes "
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1151 "(%s .%.100s)",
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1152 tp->tp_name,
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1153 value==NULL ? "del" : "assign to",
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1154 PyString_AS_STRING(name));
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1155 else
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1156 PyErr_Format(PyExc_TypeError,
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1157 "'%.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	1158 "(%s .%.100s)",
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1159 tp->tp_name,
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1160 value==NULL ? "del" : "assign to",
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1161 PyString_AS_STRING(name));
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1162 return -1;
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1163 }
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1164
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1165 /* 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	1166
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1167 PyObject **
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1168 _PyObject_GetDictPtr(PyObject *obj)
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1169 {
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1170 long dictoffset;
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1171 PyTypeObject *tp = obj->ob_type;
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1172
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1173 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	1174 return NULL;
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1175 dictoffset = tp->tp_dictoffset;
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1176 if (dictoffset == 0)
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1177 return NULL;
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1178 if (dictoffset < 0) {
22106 93eb4b61f687 SF patch 514641 (Naofumi Honda) - Negative ob_size of LongObjects Guido van Rossum <guido@python.org> parents: 21186 diff changeset	1179 int tsize;
93eb4b61f687 SF patch 514641 (Naofumi Honda) - Negative ob_size of LongObjects Guido van Rossum <guido@python.org> parents: 21186 diff changeset	1180 size_t size;
93eb4b61f687 SF patch 514641 (Naofumi Honda) - Negative ob_size of LongObjects Guido van Rossum <guido@python.org> parents: 21186 diff changeset	1181
93eb4b61f687 SF patch 514641 (Naofumi Honda) - Negative ob_size of LongObjects Guido van Rossum <guido@python.org> parents: 21186 diff changeset	1182 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	1183 if (tsize < 0)
93eb4b61f687 SF patch 514641 (Naofumi Honda) - Negative ob_size of LongObjects Guido van Rossum <guido@python.org> parents: 21186 diff changeset	1184 tsize = -tsize;
93eb4b61f687 SF patch 514641 (Naofumi Honda) - Negative ob_size of LongObjects Guido van Rossum <guido@python.org> parents: 21186 diff changeset	1185 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	1186
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	1187 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	1188 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	1189 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	1190 }
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1191 return (PyObject *) ((char )obj + dictoffset);
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1192 }
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1193
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1194 PyObject *
28320 fd5ef7003469 Renamed PyObject_GenericGetIter to PyObject_SelfIter Raymond Hettinger <python@rcn.com> parents: 28308 diff changeset	1195 PyObject_SelfIter(PyObject *obj)
28308 9c3572a5575f Created PyObject_GenericGetIter(). Raymond Hettinger <python@rcn.com> parents: 27966 diff changeset	1196 {
9c3572a5575f Created PyObject_GenericGetIter(). Raymond Hettinger <python@rcn.com> parents: 27966 diff changeset	1197 Py_INCREF(obj);
9c3572a5575f Created PyObject_GenericGetIter(). Raymond Hettinger <python@rcn.com> parents: 27966 diff changeset	1198 return obj;
9c3572a5575f Created PyObject_GenericGetIter(). Raymond Hettinger <python@rcn.com> parents: 27966 diff changeset	1199 }
9c3572a5575f Created PyObject_GenericGetIter(). Raymond Hettinger <python@rcn.com> parents: 27966 diff changeset	1200
33489 4cb1016525b7 Move a comment back to its rightful location. Michael W. Hudson <mwh@python.net> parents: 32981 diff changeset	1201 /* 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	1202
28308 9c3572a5575f Created PyObject_GenericGetIter(). Raymond Hettinger <python@rcn.com> parents: 27966 diff changeset	1203 PyObject *
18933 09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1204 PyObject_GenericGetAttr(PyObject obj, PyObject name)
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1205 {
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1206 PyTypeObject *tp = obj->ob_type;
24897 6310a4a21eb8 Another modest speedup in PyObject_GenericGetAttr(): inline the call Guido van Rossum <guido@python.org> parents: 24894 diff changeset	1207 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	1208 PyObject *res = NULL;
18933 09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1209 descrgetfunc f;
24894 8862bc59685a Inline call to _PyObject_GetDictPtr() in PyObject_GenericGetAttr(). Guido van Rossum <guido@python.org> parents: 24644 diff changeset	1210 long dictoffset;
18933 09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1211 PyObject **dictptr;
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1212
22302 a0cc52735e6e Patch #517521: Consider byte strings before Unicode strings Martin v. Löwis <martin@v.loewis.de> parents: 22112 diff changeset	1213 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	1214 #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	1215 /* 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	1216 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	1217 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	1218 if (PyUnicode_Check(name)) {
a0cc52735e6e Patch #517521: Consider byte strings before Unicode strings Martin v. Löwis <martin@v.loewis.de> parents: 22112 diff changeset	1219 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	1220 if (name == NULL)
a0cc52735e6e Patch #517521: Consider byte strings before Unicode strings Martin v. Löwis <martin@v.loewis.de> parents: 22112 diff changeset	1221 return NULL;
a0cc52735e6e Patch #517521: Consider byte strings before Unicode strings Martin v. Löwis <martin@v.loewis.de> parents: 22112 diff changeset	1222 }
24122 d332484e394a Trashcan cleanup: Now that cyclic gc is always there, the trashcan Tim Peters <tim.peters@gmail.com> parents: 24121 diff changeset	1223 else
22302 a0cc52735e6e Patch #517521: Consider byte strings before Unicode strings Martin v. Löwis <martin@v.loewis.de> parents: 22112 diff changeset	1224 #endif
a0cc52735e6e Patch #517521: Consider byte strings before Unicode strings Martin v. Löwis <martin@v.loewis.de> parents: 22112 diff changeset	1225 {
a0cc52735e6e Patch #517521: Consider byte strings before Unicode strings Martin v. Löwis <martin@v.loewis.de> parents: 22112 diff changeset	1226 PyErr_SetString(PyExc_TypeError,
a0cc52735e6e Patch #517521: Consider byte strings before Unicode strings Martin v. Löwis <martin@v.loewis.de> parents: 22112 diff changeset	1227 "attribute name must be string");
21186 0189186f4ed9 PyObject_Generic{Get,Set}Attr(): ensure that the attribute name is a Guido van Rossum <guido@python.org> parents: 20865 diff changeset	1228 return NULL;
22302 a0cc52735e6e Patch #517521: Consider byte strings before Unicode strings Martin v. Löwis <martin@v.loewis.de> parents: 22112 diff changeset	1229 }
21186 0189186f4ed9 PyObject_Generic{Get,Set}Attr(): ensure that the attribute name is a Guido van Rossum <guido@python.org> parents: 20865 diff changeset	1230 }
0189186f4ed9 PyObject_Generic{Get,Set}Attr(): ensure that the attribute name is a Guido van Rossum <guido@python.org> parents: 20865 diff changeset	1231 else
0189186f4ed9 PyObject_Generic{Get,Set}Attr(): ensure that the attribute name is a Guido van Rossum <guido@python.org> parents: 20865 diff changeset	1232 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	1233
18933 09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1234 if (tp->tp_dict == NULL) {
19040 4df72ea78ae8 - Rename PyType_InitDict() to PyType_Ready(). Guido van Rossum <guido@python.org> parents: 18933 diff changeset	1235 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	1236 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	1237 }
18933 09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1238
24897 6310a4a21eb8 Another modest speedup in PyObject_GenericGetAttr(): inline the call Guido van Rossum <guido@python.org> parents: 24894 diff changeset	1239 /* Inline _PyType_Lookup */
6310a4a21eb8 Another modest speedup in PyObject_GenericGetAttr(): inline the call Guido van Rossum <guido@python.org> parents: 24894 diff changeset	1240 {
6310a4a21eb8 Another modest speedup in PyObject_GenericGetAttr(): inline the call Guido van Rossum <guido@python.org> parents: 24894 diff changeset	1241 int i, n;
6310a4a21eb8 Another modest speedup in PyObject_GenericGetAttr(): inline the call Guido van Rossum <guido@python.org> parents: 24894 diff changeset	1242 PyObject mro, base, *dict;
6310a4a21eb8 Another modest speedup in PyObject_GenericGetAttr(): inline the call Guido van Rossum <guido@python.org> parents: 24894 diff changeset	1243
6310a4a21eb8 Another modest speedup in PyObject_GenericGetAttr(): inline the call Guido van Rossum <guido@python.org> parents: 24894 diff changeset	1244 /* 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	1245 mro = tp->tp_mro;
6310a4a21eb8 Another modest speedup in PyObject_GenericGetAttr(): inline the call Guido van Rossum <guido@python.org> parents: 24894 diff changeset	1246 assert(mro != NULL);
6310a4a21eb8 Another modest speedup in PyObject_GenericGetAttr(): inline the call Guido van Rossum <guido@python.org> parents: 24894 diff changeset	1247 assert(PyTuple_Check(mro));
6310a4a21eb8 Another modest speedup in PyObject_GenericGetAttr(): inline the call Guido van Rossum <guido@python.org> parents: 24894 diff changeset	1248 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	1249 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	1250 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	1251 if (PyClass_Check(base))
6310a4a21eb8 Another modest speedup in PyObject_GenericGetAttr(): inline the call Guido van Rossum <guido@python.org> parents: 24894 diff changeset	1252 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	1253 else {
6310a4a21eb8 Another modest speedup in PyObject_GenericGetAttr(): inline the call Guido van Rossum <guido@python.org> parents: 24894 diff changeset	1254 assert(PyType_Check(base));
6310a4a21eb8 Another modest speedup in PyObject_GenericGetAttr(): inline the call Guido van Rossum <guido@python.org> parents: 24894 diff changeset	1255 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	1256 }
6310a4a21eb8 Another modest speedup in PyObject_GenericGetAttr(): inline the call Guido van Rossum <guido@python.org> parents: 24894 diff changeset	1257 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	1258 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	1259 if (descr != NULL)
6310a4a21eb8 Another modest speedup in PyObject_GenericGetAttr(): inline the call Guido van Rossum <guido@python.org> parents: 24894 diff changeset	1260 break;
6310a4a21eb8 Another modest speedup in PyObject_GenericGetAttr(): inline the call Guido van Rossum <guido@python.org> parents: 24894 diff changeset	1261 }
6310a4a21eb8 Another modest speedup in PyObject_GenericGetAttr(): inline the call Guido van Rossum <guido@python.org> parents: 24894 diff changeset	1262 }
6310a4a21eb8 Another modest speedup in PyObject_GenericGetAttr(): inline the call Guido van Rossum <guido@python.org> parents: 24894 diff changeset	1263
30159 941d49a65f06 Fix for Michael W. Hudson <mwh@python.net> parents: 28669 diff changeset	1264 Py_XINCREF(descr);
941d49a65f06 Fix for Michael W. Hudson <mwh@python.net> parents: 28669 diff changeset	1265
18933 09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1266 f = NULL;
27966 b28d4fde9e9f PyObject_Generic{Get,Set}Attr: Guido van Rossum <guido@python.org> parents: 27938 diff changeset	1267 if (descr != NULL &&
b28d4fde9e9f PyObject_Generic{Get,Set}Attr: Guido van Rossum <guido@python.org> parents: 27938 diff changeset	1268 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	1269 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	1270 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	1271 res = f(descr, obj, (PyObject *)obj->ob_type);
30159 941d49a65f06 Fix for Michael W. Hudson <mwh@python.net> parents: 28669 diff changeset	1272 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	1273 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	1274 }
18933 09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1275 }
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1276
24894 8862bc59685a Inline call to _PyObject_GetDictPtr() in PyObject_GenericGetAttr(). Guido van Rossum <guido@python.org> parents: 24644 diff changeset	1277 /* Inline _PyObject_GetDictPtr */
8862bc59685a Inline call to _PyObject_GetDictPtr() in PyObject_GenericGetAttr(). Guido van Rossum <guido@python.org> parents: 24644 diff changeset	1278 dictoffset = tp->tp_dictoffset;
8862bc59685a Inline call to _PyObject_GetDictPtr() in PyObject_GenericGetAttr(). Guido van Rossum <guido@python.org> parents: 24644 diff changeset	1279 if (dictoffset != 0) {
8862bc59685a Inline call to _PyObject_GetDictPtr() in PyObject_GenericGetAttr(). Guido van Rossum <guido@python.org> parents: 24644 diff changeset	1280 PyObject *dict;
8862bc59685a Inline call to _PyObject_GetDictPtr() in PyObject_GenericGetAttr(). Guido van Rossum <guido@python.org> parents: 24644 diff changeset	1281 if (dictoffset < 0) {
8862bc59685a Inline call to _PyObject_GetDictPtr() in PyObject_GenericGetAttr(). Guido van Rossum <guido@python.org> parents: 24644 diff changeset	1282 int tsize;
8862bc59685a Inline call to _PyObject_GetDictPtr() in PyObject_GenericGetAttr(). Guido van Rossum <guido@python.org> parents: 24644 diff changeset	1283 size_t size;
8862bc59685a Inline call to _PyObject_GetDictPtr() in PyObject_GenericGetAttr(). Guido van Rossum <guido@python.org> parents: 24644 diff changeset	1284
8862bc59685a Inline call to _PyObject_GetDictPtr() in PyObject_GenericGetAttr(). Guido van Rossum <guido@python.org> parents: 24644 diff changeset	1285 tsize = ((PyVarObject *)obj)->ob_size;
8862bc59685a Inline call to _PyObject_GetDictPtr() in PyObject_GenericGetAttr(). Guido van Rossum <guido@python.org> parents: 24644 diff changeset	1286 if (tsize < 0)
8862bc59685a Inline call to _PyObject_GetDictPtr() in PyObject_GenericGetAttr(). Guido van Rossum <guido@python.org> parents: 24644 diff changeset	1287 tsize = -tsize;
8862bc59685a Inline call to _PyObject_GetDictPtr() in PyObject_GenericGetAttr(). Guido van Rossum <guido@python.org> parents: 24644 diff changeset	1288 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	1289
8862bc59685a Inline call to _PyObject_GetDictPtr() in PyObject_GenericGetAttr(). Guido van Rossum <guido@python.org> parents: 24644 diff changeset	1290 dictoffset += (long)size;
8862bc59685a Inline call to _PyObject_GetDictPtr() in PyObject_GenericGetAttr(). Guido van Rossum <guido@python.org> parents: 24644 diff changeset	1291 assert(dictoffset > 0);
8862bc59685a Inline call to _PyObject_GetDictPtr() in PyObject_GenericGetAttr(). Guido van Rossum <guido@python.org> parents: 24644 diff changeset	1292 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	1293 }
8862bc59685a Inline call to _PyObject_GetDictPtr() in PyObject_GenericGetAttr(). Guido van Rossum <guido@python.org> parents: 24644 diff changeset	1294 dictptr = (PyObject *) ((char )obj + dictoffset);
8862bc59685a Inline call to _PyObject_GetDictPtr() in PyObject_GenericGetAttr(). Guido van Rossum <guido@python.org> parents: 24644 diff changeset	1295 dict = *dictptr;
18933 09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1296 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	1297 res = PyDict_GetItem(dict, name);
18933 09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1298 if (res != NULL) {
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1299 Py_INCREF(res);
30159 941d49a65f06 Fix for Michael W. Hudson <mwh@python.net> parents: 28669 diff changeset	1300 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	1301 goto done;
18933 09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1302 }
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1303 }
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1304 }
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1305
21186 0189186f4ed9 PyObject_Generic{Get,Set}Attr(): ensure that the attribute name is a Guido van Rossum <guido@python.org> parents: 20865 diff changeset	1306 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	1307 res = f(descr, obj, (PyObject *)obj->ob_type);
30159 941d49a65f06 Fix for Michael W. Hudson <mwh@python.net> parents: 28669 diff changeset	1308 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	1309 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	1310 }
18933 09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1311
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1312 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	1313 res = descr;
30159 941d49a65f06 Fix for Michael W. Hudson <mwh@python.net> parents: 28669 diff changeset	1314 /* 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	1315 goto done;
14660 983502b2cd43 PyObject_SetAttr() and PyObject_GetAttr() now also accept Unicode Marc-André Lemburg <mal@egenix.com> parents: 14375 diff changeset	1316 }
18933 09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1317
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1318 PyErr_Format(PyExc_AttributeError,
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1319 "'%.50s' object has no attribute '%.400s'",
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1320 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	1321 done:
0189186f4ed9 PyObject_Generic{Get,Set}Attr(): ensure that the attribute name is a Guido van Rossum <guido@python.org> parents: 20865 diff changeset	1322 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	1323 return res;
18933 09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1324 }
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1325
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1326 int
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1327 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	1328 {
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1329 PyTypeObject *tp = obj->ob_type;
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1330 PyObject *descr;
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1331 descrsetfunc f;
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1332 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	1333 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	1334
22302 a0cc52735e6e Patch #517521: Consider byte strings before Unicode strings Martin v. Löwis <martin@v.loewis.de> parents: 22112 diff changeset	1335 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	1336 #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	1337 /* 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	1338 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	1339 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	1340 if (PyUnicode_Check(name)) {
a0cc52735e6e Patch #517521: Consider byte strings before Unicode strings Martin v. Löwis <martin@v.loewis.de> parents: 22112 diff changeset	1341 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	1342 if (name == NULL)
a0cc52735e6e Patch #517521: Consider byte strings before Unicode strings Martin v. Löwis <martin@v.loewis.de> parents: 22112 diff changeset	1343 return -1;
a0cc52735e6e Patch #517521: Consider byte strings before Unicode strings Martin v. Löwis <martin@v.loewis.de> parents: 22112 diff changeset	1344 }
24122 d332484e394a Trashcan cleanup: Now that cyclic gc is always there, the trashcan Tim Peters <tim.peters@gmail.com> parents: 24121 diff changeset	1345 else
22302 a0cc52735e6e Patch #517521: Consider byte strings before Unicode strings Martin v. Löwis <martin@v.loewis.de> parents: 22112 diff changeset	1346 #endif
a0cc52735e6e Patch #517521: Consider byte strings before Unicode strings Martin v. Löwis <martin@v.loewis.de> parents: 22112 diff changeset	1347 {
a0cc52735e6e Patch #517521: Consider byte strings before Unicode strings Martin v. Löwis <martin@v.loewis.de> parents: 22112 diff changeset	1348 PyErr_SetString(PyExc_TypeError,
a0cc52735e6e Patch #517521: Consider byte strings before Unicode strings Martin v. Löwis <martin@v.loewis.de> parents: 22112 diff changeset	1349 "attribute name must be string");
21186 0189186f4ed9 PyObject_Generic{Get,Set}Attr(): ensure that the attribute name is a Guido van Rossum <guido@python.org> parents: 20865 diff changeset	1350 return -1;
22302 a0cc52735e6e Patch #517521: Consider byte strings before Unicode strings Martin v. Löwis <martin@v.loewis.de> parents: 22112 diff changeset	1351 }
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 }
0189186f4ed9 PyObject_Generic{Get,Set}Attr(): ensure that the attribute name is a Guido van Rossum <guido@python.org> parents: 20865 diff changeset	1353 else
0189186f4ed9 PyObject_Generic{Get,Set}Attr(): ensure that the attribute name is a Guido van Rossum <guido@python.org> parents: 20865 diff changeset	1354 Py_INCREF(name);
18933 09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1355
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1356 if (tp->tp_dict == NULL) {
19040 4df72ea78ae8 - Rename PyType_InitDict() to PyType_Ready(). Guido van Rossum <guido@python.org> parents: 18933 diff changeset	1357 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	1358 goto done;
18933 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
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1361 descr = _PyType_Lookup(tp, name);
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1362 f = NULL;
27966 b28d4fde9e9f PyObject_Generic{Get,Set}Attr: Guido van Rossum <guido@python.org> parents: 27938 diff changeset	1363 if (descr != NULL &&
b28d4fde9e9f PyObject_Generic{Get,Set}Attr: Guido van Rossum <guido@python.org> parents: 27938 diff changeset	1364 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	1365 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	1366 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	1367 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	1368 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	1369 }
18933 09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1370 }
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1371
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1372 dictptr = _PyObject_GetDictPtr(obj);
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1373 if (dictptr != NULL) {
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1374 PyObject dict = dictptr;
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1375 if (dict == NULL && value != NULL) {
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1376 dict = PyDict_New();
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1377 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	1378 goto done;
18933 09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1379 *dictptr = dict;
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 if (dict != NULL) {
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1382 if (value == NULL)
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1383 res = PyDict_DelItem(dict, name);
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1384 else
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1385 res = PyDict_SetItem(dict, name, value);
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1386 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	1387 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	1388 goto done;
18933 09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1389 }
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1390 }
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1391
21186 0189186f4ed9 PyObject_Generic{Get,Set}Attr(): ensure that the attribute name is a Guido van Rossum <guido@python.org> parents: 20865 diff changeset	1392 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	1393 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	1394 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	1395 }
18933 09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1396
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1397 if (descr == NULL) {
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1398 PyErr_Format(PyExc_AttributeError,
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1399 "'%.50s' object has no attribute '%.400s'",
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1400 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	1401 goto done;
18933 09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1402 }
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1403
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1404 PyErr_Format(PyExc_AttributeError,
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1405 "'%.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	1406 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	1407 done:
0189186f4ed9 PyObject_Generic{Get,Set}Attr(): ensure that the attribute name is a Guido van Rossum <guido@python.org> parents: 20865 diff changeset	1408 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	1409 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	1410 }
8ec298b255a2 Moved PyObject_{Get,Set}Attr here (from dictobject) and add PyObject_HasAttr. Guido van Rossum <guido@python.org> parents: 5535 diff changeset	1411
1282 e0464e7115ca * pythonrun.c: Print exception type+arg after stack trace instead of Guido van Rossum <guido@python.org> parents: 1257 diff changeset	1412 /* 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	1413 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	1414
e0464e7115ca * pythonrun.c: Print exception type+arg after stack trace instead of Guido van Rossum <guido@python.org> parents: 1257 diff changeset	1415 int
13473 31b1f691a7d9 ANSI-fication of the sources. Fred Drake <fdrake@acm.org> parents: 13447 diff changeset	1416 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	1417 {
e0464e7115ca * pythonrun.c: Print exception type+arg after stack trace instead of Guido van Rossum <guido@python.org> parents: 1257 diff changeset	1418 int res;
25015 24e80d96bd0b Speedup for PyObject_IsTrue(): check for True and False first. Guido van Rossum <guido@python.org> parents: 25013 diff changeset	1419 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	1420 return 1;
24e80d96bd0b Speedup for PyObject_IsTrue(): check for True and False first. Guido van Rossum <guido@python.org> parents: 25013 diff changeset	1421 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	1422 return 0;
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5006 diff changeset	1423 if (v == Py_None)
23838 95263ccec819 SF # 561244 Micro optimizations Neal Norwitz <nnorwitz@gmail.com> parents: 23599 diff changeset	1424 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	1425 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	1426 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	1427 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	1428 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	1429 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	1430 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	1431 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	1432 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	1433 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	1434 else
23838 95263ccec819 SF # 561244 Micro optimizations Neal Norwitz <nnorwitz@gmail.com> parents: 23599 diff changeset	1435 return 1;
95263ccec819 SF # 561244 Micro optimizations Neal Norwitz <nnorwitz@gmail.com> parents: 23599 diff changeset	1436 return (res > 0) ? 1 : res;
1282 e0464e7115ca * pythonrun.c: Print exception type+arg after stack trace instead of Guido van Rossum <guido@python.org> parents: 1257 diff changeset	1437 }
e0464e7115ca * pythonrun.c: Print exception type+arg after stack trace instead of Guido van Rossum <guido@python.org> parents: 1257 diff changeset	1438
24122 d332484e394a Trashcan cleanup: Now that cyclic gc is always there, the trashcan Tim Peters <tim.peters@gmail.com> parents: 24121 diff changeset	1439 /* equivalent of 'not v'
7935 aa7d69d67c81 Add PyObject_Not(). Guido van Rossum <guido@python.org> parents: 7119 diff changeset	1440 Return -1 if an error occurred */
aa7d69d67c81 Add PyObject_Not(). Guido van Rossum <guido@python.org> parents: 7119 diff changeset	1441
aa7d69d67c81 Add PyObject_Not(). Guido van Rossum <guido@python.org> parents: 7119 diff changeset	1442 int
13473 31b1f691a7d9 ANSI-fication of the sources. Fred Drake <fdrake@acm.org> parents: 13447 diff changeset	1443 PyObject_Not(PyObject *v)
7935 aa7d69d67c81 Add PyObject_Not(). Guido van Rossum <guido@python.org> parents: 7119 diff changeset	1444 {
aa7d69d67c81 Add PyObject_Not(). Guido van Rossum <guido@python.org> parents: 7119 diff changeset	1445 int res;
aa7d69d67c81 Add PyObject_Not(). Guido van Rossum <guido@python.org> parents: 7119 diff changeset	1446 res = PyObject_IsTrue(v);
aa7d69d67c81 Add PyObject_Not(). Guido van Rossum <guido@python.org> parents: 7119 diff changeset	1447 if (res < 0)
aa7d69d67c81 Add PyObject_Not(). Guido van Rossum <guido@python.org> parents: 7119 diff changeset	1448 return res;
aa7d69d67c81 Add PyObject_Not(). Guido van Rossum <guido@python.org> parents: 7119 diff changeset	1449 return res == 0;
aa7d69d67c81 Add PyObject_Not(). Guido van Rossum <guido@python.org> parents: 7119 diff changeset	1450 }
aa7d69d67c81 Add PyObject_Not(). Guido van Rossum <guido@python.org> parents: 7119 diff changeset	1451
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	1452 /* 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	1453 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	1454 Return value:
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	1455 -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	1456 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	1457 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	1458 */
76c860a18d82 move coerce() from bltinmodule.c to object.c and implement builtin_coerce() differently Guido van Rossum <guido@python.org> parents: 2079 diff changeset	1459 int
13473 31b1f691a7d9 ANSI-fication of the sources. Fred Drake <fdrake@acm.org> parents: 13447 diff changeset	1460 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	1461 {
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5006 diff changeset	1462 register PyObject v = pv;
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5006 diff changeset	1463 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	1464 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	1465
23282 a4e75d53d32b PyNumber_CoerceEx: this took a shortcut (not doing anything) when the Guido van Rossum <guido@python.org> parents: 22985 diff changeset	1466 /* 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	1467 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	1468 !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	1469 {
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5006 diff changeset	1470 Py_INCREF(v);
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5006 diff changeset	1471 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	1472 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	1473 }
76c860a18d82 move coerce() from bltinmodule.c to object.c and implement builtin_coerce() differently Guido van Rossum <guido@python.org> parents: 2079 diff changeset	1474 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	1475 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	1476 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	1477 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	1478 }
76c860a18d82 move coerce() from bltinmodule.c to object.c and implement builtin_coerce() differently Guido van Rossum <guido@python.org> parents: 2079 diff changeset	1479 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	1480 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	1481 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	1482 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	1483 }
6597 b88fd3894d5a Add a new function PyNumber_CoerceEx() which works just like Guido van Rossum <guido@python.org> parents: 5981 diff changeset	1484 return 1;
b88fd3894d5a Add a new function PyNumber_CoerceEx() which works just like Guido van Rossum <guido@python.org> parents: 5981 diff changeset	1485 }
b88fd3894d5a Add a new function PyNumber_CoerceEx() which works just like Guido van Rossum <guido@python.org> parents: 5981 diff changeset	1486
15941 5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	1487 /* 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	1488 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	1489 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	1490 (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	1491 */
6597 b88fd3894d5a Add a new function PyNumber_CoerceEx() which works just like Guido van Rossum <guido@python.org> parents: 5981 diff changeset	1492 int
13473 31b1f691a7d9 ANSI-fication of the sources. Fred Drake <fdrake@acm.org> parents: 13447 diff changeset	1493 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	1494 {
b88fd3894d5a Add a new function PyNumber_CoerceEx() which works just like Guido van Rossum <guido@python.org> parents: 5981 diff changeset	1495 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	1496 if (err <= 0)
b88fd3894d5a Add a new function PyNumber_CoerceEx() which works just like Guido van Rossum <guido@python.org> parents: 5981 diff changeset	1497 return err;
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5006 diff changeset	1498 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	1499 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	1500 }
76c860a18d82 move coerce() from bltinmodule.c to object.c and implement builtin_coerce() differently Guido van Rossum <guido@python.org> parents: 2079 diff changeset	1501
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	1502
2237 0b0b18d655d2 move callable() here Guido van Rossum <guido@python.org> parents: 2160 diff changeset	1503 /* Test whether an object can be called */
0b0b18d655d2 move callable() here Guido van Rossum <guido@python.org> parents: 2160 diff changeset	1504
0b0b18d655d2 move callable() here Guido van Rossum <guido@python.org> parents: 2160 diff changeset	1505 int
13473 31b1f691a7d9 ANSI-fication of the sources. Fred Drake <fdrake@acm.org> parents: 13447 diff changeset	1506 PyCallable_Check(PyObject *x)
2237 0b0b18d655d2 move callable() here Guido van Rossum <guido@python.org> parents: 2160 diff changeset	1507 {
0b0b18d655d2 move callable() here Guido van Rossum <guido@python.org> parents: 2160 diff changeset	1508 if (x == NULL)
0b0b18d655d2 move callable() here Guido van Rossum <guido@python.org> parents: 2160 diff changeset	1509 return 0;
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5006 diff changeset	1510 if (PyInstance_Check(x)) {
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5006 diff changeset	1511 PyObject *call = PyObject_GetAttrString(x, "__call__");
2237 0b0b18d655d2 move callable() here Guido van Rossum <guido@python.org> parents: 2160 diff changeset	1512 if (call == NULL) {
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5006 diff changeset	1513 PyErr_Clear();
2237 0b0b18d655d2 move callable() here Guido van Rossum <guido@python.org> parents: 2160 diff changeset	1514 return 0;
0b0b18d655d2 move callable() here Guido van Rossum <guido@python.org> parents: 2160 diff changeset	1515 }
0b0b18d655d2 move callable() here Guido van Rossum <guido@python.org> parents: 2160 diff changeset	1516 /* Could test recursively but don't, for fear of endless
0b0b18d655d2 move callable() here Guido van Rossum <guido@python.org> parents: 2160 diff changeset	1517 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	1518 Py_DECREF(call);
2237 0b0b18d655d2 move callable() here Guido van Rossum <guido@python.org> parents: 2160 diff changeset	1519 return 1;
0b0b18d655d2 move callable() here Guido van Rossum <guido@python.org> parents: 2160 diff changeset	1520 }
18933 09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1521 else {
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1522 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	1523 }
2237 0b0b18d655d2 move callable() here Guido van Rossum <guido@python.org> parents: 2160 diff changeset	1524 }
0b0b18d655d2 move callable() here Guido van Rossum <guido@python.org> parents: 2160 diff changeset	1525
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	1526 /* 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	1527 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	1528 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	1529 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	1530 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	1531 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	1532 */
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	1533
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	1534 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	1535 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	1536 {
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	1537 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	1538 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	1539
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	1540 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	1541 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	1542
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	1543 /* 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	1544 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	1545 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	1546 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	1547 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	1548 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	1549 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	1550 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	1551 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	1552 }
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	1553
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	1554 /* 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	1555 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	1556 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	1557 PyErr_Clear();
c327a8ac9f2b merge_class_dict(): Clear the error if __bases__ doesn't exist. Tim Peters <tim.peters@gmail.com> parents: 19906 diff changeset	1558 else {
23436 f9d5e1fb2aa6 Jim Fulton reported a segfault in dir(). A heavily proxied object Guido van Rossum <guido@python.org> parents: 23282 diff changeset	1559 /* We have no guarantee that bases is a real tuple */
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	1560 int 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	1561 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	1562 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	1563 PyErr_Clear();
f9d5e1fb2aa6 Jim Fulton reported a segfault in dir(). A heavily proxied object Guido van Rossum <guido@python.org> parents: 23282 diff changeset	1564 else {
f9d5e1fb2aa6 Jim Fulton reported a segfault in dir(). A heavily proxied object Guido van Rossum <guido@python.org> parents: 23282 diff changeset	1565 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	1566 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	1567 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	1568 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	1569 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	1570 return -1;
f9d5e1fb2aa6 Jim Fulton reported a segfault in dir(). A heavily proxied object Guido van Rossum <guido@python.org> parents: 23282 diff changeset	1571 }
27702 84f2c438c3f5 SF bug 681122: Built-in function dir() causes refcount leak in baseclasses. Tim Peters <tim.peters@gmail.com> parents: 27314 diff changeset	1572 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	1573 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	1574 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	1575 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	1576 return -1;
f9d5e1fb2aa6 Jim Fulton reported a segfault in dir(). A heavily proxied object Guido van Rossum <guido@python.org> parents: 23282 diff changeset	1577 }
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	1578 }
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	1579 }
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	1580 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	1581 }
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	1582 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	1583 }
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	1584
19932 621ed13445de PyObject_Dir(): Merge in __members__ and __methods__ too (if they exist, Tim Peters <tim.peters@gmail.com> parents: 19931 diff changeset	1585 /* 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	1586 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	1587 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	1588 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	1589 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	1590 */
621ed13445de PyObject_Dir(): Merge in __members__ and __methods__ too (if they exist, Tim Peters <tim.peters@gmail.com> parents: 19931 diff changeset	1591
621ed13445de PyObject_Dir(): Merge in __members__ and __methods__ too (if they exist, Tim Peters <tim.peters@gmail.com> parents: 19931 diff changeset	1592 static int
621ed13445de PyObject_Dir(): Merge in __members__ and __methods__ too (if they exist, Tim Peters <tim.peters@gmail.com> parents: 19931 diff changeset	1593 merge_list_attr(PyObject* dict, PyObject* obj, char *attrname)
621ed13445de PyObject_Dir(): Merge in __members__ and __methods__ too (if they exist, Tim Peters <tim.peters@gmail.com> parents: 19931 diff changeset	1594 {
621ed13445de PyObject_Dir(): Merge in __members__ and __methods__ too (if they exist, Tim Peters <tim.peters@gmail.com> parents: 19931 diff changeset	1595 PyObject *list;
621ed13445de PyObject_Dir(): Merge in __members__ and __methods__ too (if they exist, Tim Peters <tim.peters@gmail.com> parents: 19931 diff changeset	1596 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	1597
621ed13445de PyObject_Dir(): Merge in __members__ and __methods__ too (if they exist, Tim Peters <tim.peters@gmail.com> parents: 19931 diff changeset	1598 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	1599 assert(obj);
621ed13445de PyObject_Dir(): Merge in __members__ and __methods__ too (if they exist, Tim Peters <tim.peters@gmail.com> parents: 19931 diff changeset	1600 assert(attrname);
621ed13445de PyObject_Dir(): Merge in __members__ and __methods__ too (if they exist, Tim Peters <tim.peters@gmail.com> parents: 19931 diff changeset	1601
621ed13445de PyObject_Dir(): Merge in __members__ and __methods__ too (if they exist, Tim Peters <tim.peters@gmail.com> parents: 19931 diff changeset	1602 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	1603 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	1604 PyErr_Clear();
621ed13445de PyObject_Dir(): Merge in __members__ and __methods__ too (if they exist, Tim Peters <tim.peters@gmail.com> parents: 19931 diff changeset	1605
621ed13445de PyObject_Dir(): Merge in __members__ and __methods__ too (if they exist, Tim Peters <tim.peters@gmail.com> parents: 19931 diff changeset	1606 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	1607 int i;
621ed13445de PyObject_Dir(): Merge in __members__ and __methods__ too (if they exist, Tim Peters <tim.peters@gmail.com> parents: 19931 diff changeset	1608 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	1609 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	1610 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	1611 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	1612 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	1613 break;
621ed13445de PyObject_Dir(): Merge in __members__ and __methods__ too (if they exist, Tim Peters <tim.peters@gmail.com> parents: 19931 diff changeset	1614 }
621ed13445de PyObject_Dir(): Merge in __members__ and __methods__ too (if they exist, Tim Peters <tim.peters@gmail.com> parents: 19931 diff changeset	1615 }
621ed13445de PyObject_Dir(): Merge in __members__ and __methods__ too (if they exist, Tim Peters <tim.peters@gmail.com> parents: 19931 diff changeset	1616 }
621ed13445de PyObject_Dir(): Merge in __members__ and __methods__ too (if they exist, Tim Peters <tim.peters@gmail.com> parents: 19931 diff changeset	1617
621ed13445de PyObject_Dir(): Merge in __members__ and __methods__ too (if they exist, Tim Peters <tim.peters@gmail.com> parents: 19931 diff changeset	1618 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	1619 return result;
621ed13445de PyObject_Dir(): Merge in __members__ and __methods__ too (if they exist, Tim Peters <tim.peters@gmail.com> parents: 19931 diff changeset	1620 }
621ed13445de PyObject_Dir(): Merge in __members__ and __methods__ too (if they exist, Tim Peters <tim.peters@gmail.com> parents: 19931 diff changeset	1621
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	1622 /* Like __builtin__.dir(arg). See bltinmodule.c's builtin_dir for the
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	1623 docstring, which should be kept in synch with this implementation. */
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	1624
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	1625 PyObject *
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	1626 PyObject_Dir(PyObject *arg)
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	1627 {
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	1628 /* Set exactly one of these non-NULL before the end. */
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	1629 PyObject result = NULL; / result list */
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	1630 PyObject masterdict = NULL; / result is masterdict.keys() */
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	1631
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	1632 /* If NULL arg, return the locals. */
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	1633 if (arg == 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	1634 PyObject *locals = PyEval_GetLocals();
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	1635 if (locals == 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	1636 goto error;
32463 d4a59230e93a SF Bug #215126: Over restricted type checking on eval() function Raymond Hettinger <python@rcn.com> parents: 31940 diff changeset	1637 result = PyMapping_Keys(locals);
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	1638 if (result == 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	1639 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	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
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 /* Elif this is some form of module, we only want its dict. */
19833 f44606b242c5 PyObject_Dir(): Guido van Rossum <guido@python.org> parents: 19705 diff changeset	1643 else if (PyModule_Check(arg)) {
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	1644 masterdict = PyObject_GetAttrString(arg, "__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	1645 if (masterdict == 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	1646 goto error;
19833 f44606b242c5 PyObject_Dir(): Guido van Rossum <guido@python.org> parents: 19705 diff changeset	1647 if (!PyDict_Check(masterdict)) {
f44606b242c5 PyObject_Dir(): Guido van Rossum <guido@python.org> parents: 19705 diff changeset	1648 PyErr_SetString(PyExc_TypeError,
f44606b242c5 PyObject_Dir(): Guido van Rossum <guido@python.org> parents: 19705 diff changeset	1649 "module.__dict__ is not a dictionary");
f44606b242c5 PyObject_Dir(): Guido van Rossum <guido@python.org> parents: 19705 diff changeset	1650 goto error;
f44606b242c5 PyObject_Dir(): Guido van Rossum <guido@python.org> parents: 19705 diff changeset	1651 }
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	1652 }
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	1653
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	1654 /* Elif some form of type or class, grab its dict and its 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	1655 We deliberately don't suck up its __class__, as methods belonging
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	1656 to the metaclass would probably be more confusing than helpful. */
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	1657 else if (PyType_Check(arg) \|\| PyClass_Check(arg)) {
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	1658 masterdict = PyDict_New();
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	1659 if (masterdict == 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	1660 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	1661 if (merge_class_dict(masterdict, arg) < 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	1662 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	1663 }
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	1664
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	1665 /* Else look at its dict, and the attrs reachable from its class. */
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	1666 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	1667 PyObject *itsclass;
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	1668 /* Create a dict to start with. CAUTION: Not everything
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	1669 responding to __dict__ returns a 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	1670 masterdict = PyObject_GetAttrString(arg, "__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	1671 if (masterdict == 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	1672 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	1673 masterdict = PyDict_New();
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	1674 }
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	1675 else if (!PyDict_Check(masterdict)) {
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	1676 Py_DECREF(masterdict);
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	1677 masterdict = PyDict_New();
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	1678 }
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	1679 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	1680 /* The object may have returned a reference to its
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	1681 dict, so copy it to avoid mutating it. */
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	1682 PyObject *temp = PyDict_Copy(masterdict);
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	1683 Py_DECREF(masterdict);
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 masterdict = temp;
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	1685 }
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	1686 if (masterdict == 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	1687 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	1688
19932 621ed13445de PyObject_Dir(): Merge in __members__ and __methods__ too (if they exist, Tim Peters <tim.peters@gmail.com> parents: 19931 diff changeset	1689 /* Merge in __members__ and __methods__ (if any).
621ed13445de PyObject_Dir(): Merge in __members__ and __methods__ too (if they exist, Tim Peters <tim.peters@gmail.com> parents: 19931 diff changeset	1690 XXX Would like this to go away someday; for now, it's
621ed13445de PyObject_Dir(): Merge in __members__ and __methods__ too (if they exist, Tim Peters <tim.peters@gmail.com> parents: 19931 diff changeset	1691 XXX needed to get at im_self etc of method objects. */
621ed13445de PyObject_Dir(): Merge in __members__ and __methods__ too (if they exist, Tim Peters <tim.peters@gmail.com> parents: 19931 diff changeset	1692 if (merge_list_attr(masterdict, arg, "__members__") < 0)
621ed13445de PyObject_Dir(): Merge in __members__ and __methods__ too (if they exist, Tim Peters <tim.peters@gmail.com> parents: 19931 diff changeset	1693 goto error;
621ed13445de PyObject_Dir(): Merge in __members__ and __methods__ too (if they exist, Tim Peters <tim.peters@gmail.com> parents: 19931 diff changeset	1694 if (merge_list_attr(masterdict, arg, "__methods__") < 0)
621ed13445de PyObject_Dir(): Merge in __members__ and __methods__ too (if they exist, Tim Peters <tim.peters@gmail.com> parents: 19931 diff changeset	1695 goto error;
621ed13445de PyObject_Dir(): Merge in __members__ and __methods__ too (if they exist, Tim Peters <tim.peters@gmail.com> parents: 19931 diff changeset	1696
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	1697 /* Merge in attrs reachable from its class.
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	1698 CAUTION: Not all objects have a __class__ attr. */
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	1699 itsclass = PyObject_GetAttrString(arg, "__class__");
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	1700 if (itsclass == 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	1701 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	1702 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	1703 int status = merge_class_dict(masterdict, itsclass);
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	1704 Py_DECREF(itsclass);
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	1705 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	1706 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	1707 }
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	1708 }
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	1709
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	1710 assert((result == NULL) ^ (masterdict == 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	1711 if (masterdict != 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	1712 /* The result comes from its keys. */
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	1713 assert(result == 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	1714 result = PyDict_Keys(masterdict);
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	1715 if (result == 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	1716 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	1717 }
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	1718
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	1719 assert(result);
32981 50c122bc7aac SF bug #1004669: Type returned from .keys() is not checked Raymond Hettinger <python@rcn.com> parents: 32531 diff changeset	1720 if (!PyList_Check(result)) {
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	1721 PyErr_SetString(PyExc_TypeError,
32981 50c122bc7aac SF bug #1004669: Type returned from .keys() is not checked Raymond Hettinger <python@rcn.com> parents: 32531 diff changeset	1722 "Expected keys() to be a list.");
50c122bc7aac SF bug #1004669: Type returned from .keys() is not checked Raymond Hettinger <python@rcn.com> parents: 32531 diff changeset	1723 goto error;
50c122bc7aac SF bug #1004669: Type returned from .keys() is not checked Raymond Hettinger <python@rcn.com> parents: 32531 diff changeset	1724 }
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	1725 if (PyList_Sort(result) != 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	1726 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	1727 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	1728 goto normal_return;
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	1729
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	1730 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	1731 Py_XDECREF(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	1732 result = 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	1733 /* fall through */
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	1734 normal_return:
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	1735 Py_XDECREF(masterdict);
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	1736 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	1737 }
2237 0b0b18d655d2 move callable() here Guido van Rossum <guido@python.org> parents: 2160 diff changeset	1738
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	1739 /*
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	1740 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	1741 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	1742 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	1743 (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	1744 */
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	1745
739 ab1b3486b226 Fix lint bug Guido van Rossum <guido@python.org> parents: 512 diff changeset	1746 /* ARGSUSED */
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5006 diff changeset	1747 static PyObject *
13473 31b1f691a7d9 ANSI-fication of the sources. Fred Drake <fdrake@acm.org> parents: 13447 diff changeset	1748 none_repr(PyObject *op)
86 a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: 58 diff changeset	1749 {
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5006 diff changeset	1750 return PyString_FromString("None");
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	1751 }
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	1752
16165 0a72070eab6e A few miscellaneous helpers. Barry Warsaw <barry@python.org> parents: 16123 diff changeset	1753 /* ARGUSED */
0a72070eab6e A few miscellaneous helpers. Barry Warsaw <barry@python.org> parents: 16123 diff changeset	1754 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	1755 none_dealloc(PyObject* ignore)
16165 0a72070eab6e A few miscellaneous helpers. Barry Warsaw <barry@python.org> parents: 16123 diff changeset	1756 {
0a72070eab6e A few miscellaneous helpers. Barry Warsaw <barry@python.org> parents: 16123 diff changeset	1757 /* 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	1758 * we accidently decref None out of existance.
0a72070eab6e A few miscellaneous helpers. Barry Warsaw <barry@python.org> parents: 16123 diff changeset	1759 */
24644 7ba3e5fbaad8 Replace abort with Py_FatalError. Martin v. Löwis <martin@v.loewis.de> parents: 24420 diff changeset	1760 Py_FatalError("deallocating None");
16165 0a72070eab6e A few miscellaneous helpers. Barry Warsaw <barry@python.org> parents: 16123 diff changeset	1761 }
0a72070eab6e A few miscellaneous helpers. Barry Warsaw <barry@python.org> parents: 16123 diff changeset	1762
0a72070eab6e A few miscellaneous helpers. Barry Warsaw <barry@python.org> parents: 16123 diff changeset	1763
19294 1456ec735087 Add a function _Py_ReadyTypes() which initializes various and sundry Guido van Rossum <guido@python.org> parents: 19293 diff changeset	1764 static PyTypeObject PyNone_Type = {
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5006 diff changeset	1765 PyObject_HEAD_INIT(&PyType_Type)
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	1766 0,
19294 1456ec735087 Add a function _Py_ReadyTypes() which initializes various and sundry Guido van Rossum <guido@python.org> parents: 19293 diff changeset	1767 "NoneType",
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	1768 0,
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	1769 0,
16165 0a72070eab6e A few miscellaneous helpers. Barry Warsaw <barry@python.org> parents: 16123 diff changeset	1770 (destructor)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	1771 0, /tp_print/
86 a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: 58 diff changeset	1772 0, /tp_getattr/
a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: 58 diff changeset	1773 0, /tp_setattr/
a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: 58 diff changeset	1774 0, /tp_compare/
1848 b724599401ff Merge back to main trunk Guido van Rossum <guido@python.org> parents: 1400 diff changeset	1775 (reprfunc)none_repr, /tp_repr/
86 a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: 58 diff changeset	1776 0, /tp_as_number/
a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: 58 diff changeset	1777 0, /tp_as_sequence/
a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: 58 diff changeset	1778 0, /tp_as_mapping/
1257 1cabc2b6c970 * Changed all copyright messages to include 1993. Guido van Rossum <guido@python.org> parents: 1051 diff changeset	1779 0, /tp_hash /
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	1780 };
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	1781
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5006 diff changeset	1782 PyObject _Py_NoneStruct = {
19294 1456ec735087 Add a function _Py_ReadyTypes() which initializes various and sundry Guido van Rossum <guido@python.org> parents: 19293 diff changeset	1783 PyObject_HEAD_INIT(&PyNone_Type)
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	1784 };
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	1785
15726 db9f1893be01 Changes for PEP 208. PyObject_Compare has been rewritten. Instances no Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 15318 diff changeset	1786 /* 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	1787 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	1788
db9f1893be01 Changes for PEP 208. PyObject_Compare has been rewritten. Instances no Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 15318 diff changeset	1789 static PyObject *
db9f1893be01 Changes for PEP 208. PyObject_Compare has been rewritten. Instances no Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 15318 diff changeset	1790 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	1791 {
db9f1893be01 Changes for PEP 208. PyObject_Compare has been rewritten. Instances no Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 15318 diff changeset	1792 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	1793 }
db9f1893be01 Changes for PEP 208. PyObject_Compare has been rewritten. Instances no Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 15318 diff changeset	1794
db9f1893be01 Changes for PEP 208. PyObject_Compare has been rewritten. Instances no Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 15318 diff changeset	1795 static PyTypeObject PyNotImplemented_Type = {
db9f1893be01 Changes for PEP 208. PyObject_Compare has been rewritten. Instances no Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 15318 diff changeset	1796 PyObject_HEAD_INIT(&PyType_Type)
db9f1893be01 Changes for PEP 208. PyObject_Compare has been rewritten. Instances no Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 15318 diff changeset	1797 0,
19294 1456ec735087 Add a function _Py_ReadyTypes() which initializes various and sundry Guido van Rossum <guido@python.org> parents: 19293 diff changeset	1798 "NotImplementedType",
15726 db9f1893be01 Changes for PEP 208. PyObject_Compare has been rewritten. Instances no Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 15318 diff changeset	1799 0,
db9f1893be01 Changes for PEP 208. PyObject_Compare has been rewritten. Instances no Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 15318 diff changeset	1800 0,
16165 0a72070eab6e A few miscellaneous helpers. Barry Warsaw <barry@python.org> parents: 16123 diff changeset	1801 (destructor)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	1802 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	1803 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	1804 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	1805 0, /tp_compare/
db9f1893be01 Changes for PEP 208. PyObject_Compare has been rewritten. Instances no Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 15318 diff changeset	1806 (reprfunc)NotImplemented_repr, /tp_repr/
db9f1893be01 Changes for PEP 208. PyObject_Compare has been rewritten. Instances no Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 15318 diff changeset	1807 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	1808 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	1809 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	1810 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	1811 };
db9f1893be01 Changes for PEP 208. PyObject_Compare has been rewritten. Instances no Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 15318 diff changeset	1812
db9f1893be01 Changes for PEP 208. PyObject_Compare has been rewritten. Instances no Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 15318 diff changeset	1813 PyObject _Py_NotImplementedStruct = {
db9f1893be01 Changes for PEP 208. PyObject_Compare has been rewritten. Instances no Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 15318 diff changeset	1814 PyObject_HEAD_INIT(&PyNotImplemented_Type)
db9f1893be01 Changes for PEP 208. PyObject_Compare has been rewritten. Instances no Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 15318 diff changeset	1815 };
db9f1893be01 Changes for PEP 208. PyObject_Compare has been rewritten. Instances no Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 15318 diff changeset	1816
19294 1456ec735087 Add a function _Py_ReadyTypes() which initializes various and sundry Guido van Rossum <guido@python.org> parents: 19293 diff changeset	1817 void
1456ec735087 Add a function _Py_ReadyTypes() which initializes various and sundry Guido van Rossum <guido@python.org> parents: 19293 diff changeset	1818 _Py_ReadyTypes(void)
1456ec735087 Add a function _Py_ReadyTypes() which initializes various and sundry Guido van Rossum <guido@python.org> parents: 19293 diff changeset	1819 {
1456ec735087 Add a function _Py_ReadyTypes() which initializes various and sundry Guido van Rossum <guido@python.org> parents: 19293 diff changeset	1820 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	1821 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	1822
32472 4383db77b19a Make weak references subclassable: Fred Drake <fdrake@acm.org> parents: 32463 diff changeset	1823 if (PyType_Ready(&_PyWeakref_RefType) < 0)
4383db77b19a Make weak references subclassable: Fred Drake <fdrake@acm.org> parents: 32463 diff changeset	1824 Py_FatalError("Can't initialize 'weakref'");
4383db77b19a Make weak references subclassable: Fred Drake <fdrake@acm.org> parents: 32463 diff changeset	1825
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	1826 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	1827 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	1828
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	1829 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	1830 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	1831
19294 1456ec735087 Add a function _Py_ReadyTypes() which initializes various and sundry Guido van Rossum <guido@python.org> parents: 19293 diff changeset	1832 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	1833 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	1834
1456ec735087 Add a function _Py_ReadyTypes() which initializes various and sundry Guido van Rossum <guido@python.org> parents: 19293 diff changeset	1835 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	1836 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	1837
1456ec735087 Add a function _Py_ReadyTypes() which initializes various and sundry Guido van Rossum <guido@python.org> parents: 19293 diff changeset	1838 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	1839 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	1840 }
1456ec735087 Add a function _Py_ReadyTypes() which initializes various and sundry Guido van Rossum <guido@python.org> parents: 19293 diff changeset	1841
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	1842
3574 1ec154241747 TRACE_REFS -> Py_TRACE_REFS. Guido van Rossum <guido@python.org> parents: 3330 diff changeset	1843 #ifdef Py_TRACE_REFS
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	1844
4002 4241582636ad Define reference count admin debug functions to return void. Guido van Rossum <guido@python.org> parents: 3986 diff changeset	1845 void
13473 31b1f691a7d9 ANSI-fication of the sources. Fred Drake <fdrake@acm.org> parents: 13447 diff changeset	1846 _Py_NewReference(PyObject *op)
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	1847 {
24184 c4dcb80f48ea object.h special-build macro minefield: renamed all the new lexical Tim Peters <tim.peters@gmail.com> parents: 24155 diff changeset	1848 _Py_INC_REFTOTAL;
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	1849 op->ob_refcnt = 1;
28396 d56282c28a1e Improved new Py_TRACE_REFS gimmicks. Tim Peters <tim.peters@gmail.com> parents: 28389 diff changeset	1850 _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	1851 _Py_INC_TPALLOCS(op);
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	1852 }
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	1853
4002 4241582636ad Define reference count admin debug functions to return void. Guido van Rossum <guido@python.org> parents: 3986 diff changeset	1854 void
13473 31b1f691a7d9 ANSI-fication of the sources. Fred Drake <fdrake@acm.org> parents: 13447 diff changeset	1855 _Py_ForgetReference(register PyObject *op)
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	1856 {
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	1857 #ifdef SLOW_UNREF_CHECK
11969 74b7213fb609 Many changes for Unicode, by Marc-Andre Lemburg. Guido van Rossum <guido@python.org> parents: 11673 diff changeset	1858 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	1859 #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	1860 if (op->ob_refcnt < 0)
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5006 diff changeset	1861 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	1862 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	1863 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	1864 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	1865 #ifdef SLOW_UNREF_CHECK
86 a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: 58 diff changeset	1866 for (p = refchain._ob_next; p != &refchain; p = p->_ob_next) {
a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: 58 diff changeset	1867 if (p == op)
a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: 58 diff changeset	1868 break;
a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: 58 diff changeset	1869 }
2053 de49d49044d7 Lots of minor changes. Note for mappingobject.c: the hash table pointer Guido van Rossum <guido@python.org> parents: 1869 diff changeset	1870 if (p == &refchain) /* Not found */
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5006 diff changeset	1871 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	1872 #endif
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	1873 op->_ob_next->_ob_prev = op->_ob_prev;
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	1874 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	1875 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	1876 _Py_INC_TPFREES(op);
86 a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: 58 diff changeset	1877 }
a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: 58 diff changeset	1878
4002 4241582636ad Define reference count admin debug functions to return void. Guido van Rossum <guido@python.org> parents: 3986 diff changeset	1879 void
13473 31b1f691a7d9 ANSI-fication of the sources. Fred Drake <fdrake@acm.org> parents: 13447 diff changeset	1880 _Py_Dealloc(PyObject *op)
86 a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: 58 diff changeset	1881 {
1869 2cede61e9b1b rearranged code in debugging version of DELREF to avoid touching data Guido van Rossum <guido@python.org> parents: 1848 diff changeset	1882 destructor dealloc = op->ob_type->tp_dealloc;
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5006 diff changeset	1883 _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	1884 (*dealloc)(op);
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	1885 }
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	1886
28653 56006d97bcef _Py_PrintReferences(): Changed to print object address at start of each Tim Peters <tim.peters@gmail.com> parents: 28616 diff changeset	1887 /* 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	1888 * 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	1889 */
4002 4241582636ad Define reference count admin debug functions to return void. Guido van Rossum <guido@python.org> parents: 3986 diff changeset	1890 void
13473 31b1f691a7d9 ANSI-fication of the sources. Fred Drake <fdrake@acm.org> parents: 13447 diff changeset	1891 _Py_PrintReferences(FILE *fp)
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	1892 {
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5006 diff changeset	1893 PyObject *op;
5931 12fe5cc1516d Added _Py_ResetReferences(), if tracing references. Guido van Rossum <guido@python.org> parents: 5610 diff changeset	1894 fprintf(fp, "Remaining objects:\n");
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	1895 for (op = refchain._ob_next; op != &refchain; op = op->_ob_next) {
28653 56006d97bcef _Py_PrintReferences(): Changed to print object address at start of each Tim Peters <tim.peters@gmail.com> parents: 28616 diff changeset	1896 fprintf(fp, "%p [%d] ", op, op->ob_refcnt);
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5006 diff changeset	1897 if (PyObject_Print(op, fp, 0) != 0)
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5006 diff changeset	1898 PyErr_Clear();
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	1899 putc('\n', fp);
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	1900 }
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	1901 }
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	1902
28653 56006d97bcef _Py_PrintReferences(): Changed to print object address at start of each Tim Peters <tim.peters@gmail.com> parents: 28616 diff changeset	1903 /* 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	1904 * 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	1905 */
56006d97bcef _Py_PrintReferences(): Changed to print object address at start of each Tim Peters <tim.peters@gmail.com> parents: 28616 diff changeset	1906 void
56006d97bcef _Py_PrintReferences(): Changed to print object address at start of each Tim Peters <tim.peters@gmail.com> parents: 28616 diff changeset	1907 _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	1908 {
56006d97bcef _Py_PrintReferences(): Changed to print object address at start of each Tim Peters <tim.peters@gmail.com> parents: 28616 diff changeset	1909 PyObject *op;
56006d97bcef _Py_PrintReferences(): Changed to print object address at start of each Tim Peters <tim.peters@gmail.com> parents: 28616 diff changeset	1910 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	1911 for (op = refchain._ob_next; op != &refchain; op = op->_ob_next)
28669 0d8d4c8dc68b _Py_PrintReferenceAddresses(): also print the type name. In real use Tim Peters <tim.peters@gmail.com> parents: 28653 diff changeset	1912 fprintf(fp, "%p [%d] %s\n", op, op->ob_refcnt,
0d8d4c8dc68b _Py_PrintReferenceAddresses(): also print the type name. In real use Tim Peters <tim.peters@gmail.com> parents: 28653 diff changeset	1913 op->ob_type->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	1914 }
56006d97bcef _Py_PrintReferences(): Changed to print object address at start of each Tim Peters <tim.peters@gmail.com> parents: 28616 diff changeset	1915
3024 54aa87b1ccee Implemented two new functions in sys: Sjoerd Mullender <sjoerd@acm.org> parents: 2827 diff changeset	1916 PyObject *
13473 31b1f691a7d9 ANSI-fication of the sources. Fred Drake <fdrake@acm.org> parents: 13447 diff changeset	1917 _Py_GetObjects(PyObject self, PyObject args)
3024 54aa87b1ccee Implemented two new functions in sys: Sjoerd Mullender <sjoerd@acm.org> parents: 2827 diff changeset	1918 {
54aa87b1ccee Implemented two new functions in sys: Sjoerd Mullender <sjoerd@acm.org> parents: 2827 diff changeset	1919 int i, n;
54aa87b1ccee Implemented two new functions in sys: Sjoerd Mullender <sjoerd@acm.org> parents: 2827 diff changeset	1920 PyObject *t = NULL;
54aa87b1ccee Implemented two new functions in sys: Sjoerd Mullender <sjoerd@acm.org> parents: 2827 diff changeset	1921 PyObject res, op;
54aa87b1ccee Implemented two new functions in sys: Sjoerd Mullender <sjoerd@acm.org> parents: 2827 diff changeset	1922
54aa87b1ccee Implemented two new functions in sys: Sjoerd Mullender <sjoerd@acm.org> parents: 2827 diff changeset	1923 if (!PyArg_ParseTuple(args, "i\|O", &n, &t))
54aa87b1ccee Implemented two new functions in sys: Sjoerd Mullender <sjoerd@acm.org> parents: 2827 diff changeset	1924 return NULL;
54aa87b1ccee Implemented two new functions in sys: Sjoerd Mullender <sjoerd@acm.org> parents: 2827 diff changeset	1925 op = refchain._ob_next;
54aa87b1ccee Implemented two new functions in sys: Sjoerd Mullender <sjoerd@acm.org> parents: 2827 diff changeset	1926 res = PyList_New(0);
54aa87b1ccee Implemented two new functions in sys: Sjoerd Mullender <sjoerd@acm.org> parents: 2827 diff changeset	1927 if (res == NULL)
54aa87b1ccee Implemented two new functions in sys: Sjoerd Mullender <sjoerd@acm.org> parents: 2827 diff changeset	1928 return NULL;
54aa87b1ccee Implemented two new functions in sys: Sjoerd Mullender <sjoerd@acm.org> parents: 2827 diff changeset	1929 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	1930 while (op == self \|\| op == args \|\| op == res \|\| op == t \|\|
18600 859505224850 _Py_GetObjects(): GCC suggests to add () around && within \|\| for some Guido van Rossum <guido@python.org> parents: 18063 diff changeset	1931 (t != NULL && op->ob_type != (PyTypeObject *) t)) {
3024 54aa87b1ccee Implemented two new functions in sys: Sjoerd Mullender <sjoerd@acm.org> parents: 2827 diff changeset	1932 op = op->_ob_next;
54aa87b1ccee Implemented two new functions in sys: Sjoerd Mullender <sjoerd@acm.org> parents: 2827 diff changeset	1933 if (op == &refchain)
54aa87b1ccee Implemented two new functions in sys: Sjoerd Mullender <sjoerd@acm.org> parents: 2827 diff changeset	1934 return res;
54aa87b1ccee Implemented two new functions in sys: Sjoerd Mullender <sjoerd@acm.org> parents: 2827 diff changeset	1935 }
54aa87b1ccee Implemented two new functions in sys: Sjoerd Mullender <sjoerd@acm.org> parents: 2827 diff changeset	1936 if (PyList_Append(res, op) < 0) {
54aa87b1ccee Implemented two new functions in sys: Sjoerd Mullender <sjoerd@acm.org> parents: 2827 diff changeset	1937 Py_DECREF(res);
54aa87b1ccee Implemented two new functions in sys: Sjoerd Mullender <sjoerd@acm.org> parents: 2827 diff changeset	1938 return NULL;
54aa87b1ccee Implemented two new functions in sys: Sjoerd Mullender <sjoerd@acm.org> parents: 2827 diff changeset	1939 }
54aa87b1ccee Implemented two new functions in sys: Sjoerd Mullender <sjoerd@acm.org> parents: 2827 diff changeset	1940 op = op->_ob_next;
54aa87b1ccee Implemented two new functions in sys: Sjoerd Mullender <sjoerd@acm.org> parents: 2827 diff changeset	1941 }
54aa87b1ccee Implemented two new functions in sys: Sjoerd Mullender <sjoerd@acm.org> parents: 2827 diff changeset	1942 return res;
54aa87b1ccee Implemented two new functions in sys: Sjoerd Mullender <sjoerd@acm.org> parents: 2827 diff changeset	1943 }
54aa87b1ccee Implemented two new functions in sys: Sjoerd Mullender <sjoerd@acm.org> parents: 2827 diff changeset	1944
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	1945 #endif
3330 9f1b6e2db8e0 Hack to force loading of cobject.o Guido van Rossum <guido@python.org> parents: 3024 diff changeset	1946
9f1b6e2db8e0 Hack to force loading of cobject.o Guido van Rossum <guido@python.org> parents: 3024 diff changeset	1947
9f1b6e2db8e0 Hack to force loading of cobject.o Guido van Rossum <guido@python.org> parents: 3024 diff changeset	1948 /* Hack to force loading of cobject.o */
4588 4dc67fdd9e0b Make gcc -Wall happy Guido van Rossum <guido@python.org> parents: 4503 diff changeset	1949 PyTypeObject *_Py_cobject_hack = &PyCObject_Type;
3574 1ec154241747 TRACE_REFS -> Py_TRACE_REFS. Guido van Rossum <guido@python.org> parents: 3330 diff changeset	1950
1ec154241747 TRACE_REFS -> Py_TRACE_REFS. Guido van Rossum <guido@python.org> parents: 3330 diff changeset	1951
1ec154241747 TRACE_REFS -> Py_TRACE_REFS. Guido van Rossum <guido@python.org> parents: 3330 diff changeset	1952 /* Hack to force loading of abstract.o */
23843 85a4e727b16b SF # 533070 Silence AIX C Compiler Warnings Neal Norwitz <nnorwitz@gmail.com> parents: 23838 diff changeset	1953 int (_Py_abstract_hack)(PyObject ) = PyObject_Size;
5931 12fe5cc1516d Added _Py_ResetReferences(), if tracing references. Guido van Rossum <guido@python.org> parents: 5610 diff changeset	1954
12fe5cc1516d Added _Py_ResetReferences(), if tracing references. Guido van Rossum <guido@python.org> parents: 5610 diff changeset	1955
14006 ed369f0aa32b Updated comment Andrew M. Kuchling <amk@amk.ca> parents: 13976 diff changeset	1956 /* 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	1957
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	1958 void *
13473 31b1f691a7d9 ANSI-fication of the sources. Fred Drake <fdrake@acm.org> parents: 13447 diff changeset	1959 PyMem_Malloc(size_t nbytes)
5931 12fe5cc1516d Added _Py_ResetReferences(), if tracing references. Guido van Rossum <guido@python.org> parents: 5610 diff changeset	1960 {
12576 1c7c2dd1beb1 Vladimir Marangozov's long-awaited malloc restructuring. Guido van Rossum <guido@python.org> parents: 12481 diff changeset	1961 return PyMem_MALLOC(nbytes);
5931 12fe5cc1516d Added _Py_ResetReferences(), if tracing references. Guido van Rossum <guido@python.org> parents: 5610 diff changeset	1962 }
12fe5cc1516d Added _Py_ResetReferences(), if tracing references. Guido van Rossum <guido@python.org> parents: 5610 diff changeset	1963
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	1964 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	1965 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	1966 {
22985 d9d82c1ef864 First stab at rationalizing the PyMem_ API. Mixing PyObject_xyz with Tim Peters <tim.peters@gmail.com> parents: 22982 diff changeset	1967 return PyMem_REALLOC(p, nbytes);
5931 12fe5cc1516d Added _Py_ResetReferences(), if tracing references. Guido van Rossum <guido@python.org> parents: 5610 diff changeset	1968 }
12fe5cc1516d Added _Py_ResetReferences(), if tracing references. Guido van Rossum <guido@python.org> parents: 5610 diff changeset	1969
12fe5cc1516d Added _Py_ResetReferences(), if tracing references. Guido van Rossum <guido@python.org> parents: 5610 diff changeset	1970 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	1971 PyMem_Free(void *p)
5931 12fe5cc1516d Added _Py_ResetReferences(), if tracing references. Guido van Rossum <guido@python.org> parents: 5610 diff changeset	1972 {
12576 1c7c2dd1beb1 Vladimir Marangozov's long-awaited malloc restructuring. Guido van Rossum <guido@python.org> parents: 12481 diff changeset	1973 PyMem_FREE(p);
1c7c2dd1beb1 Vladimir Marangozov's long-awaited malloc restructuring. Guido van Rossum <guido@python.org> parents: 12481 diff changeset	1974 }
1c7c2dd1beb1 Vladimir Marangozov's long-awaited malloc restructuring. Guido van Rossum <guido@python.org> parents: 12481 diff changeset	1975
1c7c2dd1beb1 Vladimir Marangozov's long-awaited malloc restructuring. Guido van Rossum <guido@python.org> parents: 12481 diff changeset	1976
7984 1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}. Guido van Rossum <guido@python.org> parents: 7935 diff changeset	1977 /* 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	1978 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	1979 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	1980 Py_ReprLeave() to avoid infinite recursion.
1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}. Guido van Rossum <guido@python.org> parents: 7935 diff changeset	1981
1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}. Guido van Rossum <guido@python.org> parents: 7935 diff changeset	1982 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	1983 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	1984 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	1985
1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}. Guido van Rossum <guido@python.org> parents: 7935 diff changeset	1986 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	1987 */
1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}. Guido van Rossum <guido@python.org> parents: 7935 diff changeset	1988
1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}. Guido van Rossum <guido@python.org> parents: 7935 diff changeset	1989 #define KEY "Py_Repr"
1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}. Guido van Rossum <guido@python.org> parents: 7935 diff changeset	1990
1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}. Guido van Rossum <guido@python.org> parents: 7935 diff changeset	1991 int
13473 31b1f691a7d9 ANSI-fication of the sources. Fred Drake <fdrake@acm.org> parents: 13447 diff changeset	1992 Py_ReprEnter(PyObject *obj)
7984 1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}. Guido van Rossum <guido@python.org> parents: 7935 diff changeset	1993 {
1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}. Guido van Rossum <guido@python.org> parents: 7935 diff changeset	1994 PyObject *dict;
1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}. Guido van Rossum <guido@python.org> parents: 7935 diff changeset	1995 PyObject *list;
1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}. Guido van Rossum <guido@python.org> parents: 7935 diff changeset	1996 int i;
1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}. Guido van Rossum <guido@python.org> parents: 7935 diff changeset	1997
1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}. Guido van Rossum <guido@python.org> parents: 7935 diff changeset	1998 dict = PyThreadState_GetDict();
1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}. Guido van Rossum <guido@python.org> parents: 7935 diff changeset	1999 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	2000 return 0;
7984 1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}. Guido van Rossum <guido@python.org> parents: 7935 diff changeset	2001 list = PyDict_GetItemString(dict, KEY);
1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}. Guido van Rossum <guido@python.org> parents: 7935 diff changeset	2002 if (list == NULL) {
1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}. Guido van Rossum <guido@python.org> parents: 7935 diff changeset	2003 list = PyList_New(0);
1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}. Guido van Rossum <guido@python.org> parents: 7935 diff changeset	2004 if (list == NULL)
1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}. Guido van Rossum <guido@python.org> parents: 7935 diff changeset	2005 return -1;
1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}. Guido van Rossum <guido@python.org> parents: 7935 diff changeset	2006 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	2007 return -1;
1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}. Guido van Rossum <guido@python.org> parents: 7935 diff changeset	2008 Py_DECREF(list);
1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}. Guido van Rossum <guido@python.org> parents: 7935 diff changeset	2009 }
1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}. Guido van Rossum <guido@python.org> parents: 7935 diff changeset	2010 i = PyList_GET_SIZE(list);
1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}. Guido van Rossum <guido@python.org> parents: 7935 diff changeset	2011 while (--i >= 0) {
1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}. Guido van Rossum <guido@python.org> parents: 7935 diff changeset	2012 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	2013 return 1;
1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}. Guido van Rossum <guido@python.org> parents: 7935 diff changeset	2014 }
1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}. Guido van Rossum <guido@python.org> parents: 7935 diff changeset	2015 PyList_Append(list, obj);
1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}. Guido van Rossum <guido@python.org> parents: 7935 diff changeset	2016 return 0;
1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}. Guido van Rossum <guido@python.org> parents: 7935 diff changeset	2017 }
1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}. Guido van Rossum <guido@python.org> parents: 7935 diff changeset	2018
1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}. Guido van Rossum <guido@python.org> parents: 7935 diff changeset	2019 void
13473 31b1f691a7d9 ANSI-fication of the sources. Fred Drake <fdrake@acm.org> parents: 13447 diff changeset	2020 Py_ReprLeave(PyObject *obj)
7984 1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}. Guido van Rossum <guido@python.org> parents: 7935 diff changeset	2021 {
1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}. Guido van Rossum <guido@python.org> parents: 7935 diff changeset	2022 PyObject *dict;
1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}. Guido van Rossum <guido@python.org> parents: 7935 diff changeset	2023 PyObject *list;
1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}. Guido van Rossum <guido@python.org> parents: 7935 diff changeset	2024 int i;
1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}. Guido van Rossum <guido@python.org> parents: 7935 diff changeset	2025
1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}. Guido van Rossum <guido@python.org> parents: 7935 diff changeset	2026 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	2027 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	2028 return;
7984 1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}. Guido van Rossum <guido@python.org> parents: 7935 diff changeset	2029 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	2030 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	2031 return;
7984 1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}. Guido van Rossum <guido@python.org> parents: 7935 diff changeset	2032 i = PyList_GET_SIZE(list);
1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}. Guido van Rossum <guido@python.org> parents: 7935 diff changeset	2033 /* 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	2034 while (--i >= 0) {
1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}. Guido van Rossum <guido@python.org> parents: 7935 diff changeset	2035 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	2036 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	2037 break;
1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}. Guido van Rossum <guido@python.org> parents: 7935 diff changeset	2038 }
1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}. Guido van Rossum <guido@python.org> parents: 7935 diff changeset	2039 }
1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}. Guido van Rossum <guido@python.org> parents: 7935 diff changeset	2040 }
11999 c94247b5c355 Christian Tismer's "trashcan" patch: Guido van Rossum <guido@python.org> parents: 11969 diff changeset	2041
24122 d332484e394a Trashcan cleanup: Now that cyclic gc is always there, the trashcan Tim Peters <tim.peters@gmail.com> parents: 24121 diff changeset	2042 /* Trashcan support. */
12052 5d3165e30bce Christian Tismer: Guido van Rossum <guido@python.org> parents: 11999 diff changeset	2043
24122 d332484e394a Trashcan cleanup: Now that cyclic gc is always there, the trashcan Tim Peters <tim.peters@gmail.com> parents: 24121 diff changeset	2044 /* 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	2045 int _PyTrash_delete_nesting = 0;
12481 a8898a172fe2 Christian Tismer -- total rewrite on trashcan code. Guido van Rossum <guido@python.org> parents: 12406 diff changeset	2046
24122 d332484e394a Trashcan cleanup: Now that cyclic gc is always there, the trashcan Tim Peters <tim.peters@gmail.com> parents: 24121 diff changeset	2047 /* 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	2048 * 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	2049 */
d332484e394a Trashcan cleanup: Now that cyclic gc is always there, the trashcan Tim Peters <tim.peters@gmail.com> parents: 24121 diff changeset	2050 PyObject *_PyTrash_delete_later = NULL;
11999 c94247b5c355 Christian Tismer's "trashcan" patch: Guido van Rossum <guido@python.org> parents: 11969 diff changeset	2051
24122 d332484e394a Trashcan cleanup: Now that cyclic gc is always there, the trashcan Tim Peters <tim.peters@gmail.com> parents: 24121 diff changeset	2052 /* 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	2053 * 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	2054 * 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	2055 */
11999 c94247b5c355 Christian Tismer's "trashcan" patch: Guido van Rossum <guido@python.org> parents: 11969 diff changeset	2056 void
13473 31b1f691a7d9 ANSI-fication of the sources. Fred Drake <fdrake@acm.org> parents: 13447 diff changeset	2057 _PyTrash_deposit_object(PyObject *op)
11999 c94247b5c355 Christian Tismer's "trashcan" patch: Guido van Rossum <guido@python.org> parents: 11969 diff changeset	2058 {
24122 d332484e394a Trashcan cleanup: Now that cyclic gc is always there, the trashcan Tim Peters <tim.peters@gmail.com> parents: 24121 diff changeset	2059 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	2060 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	2061 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	2062 _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	2063 _PyTrash_delete_later = op;
11999 c94247b5c355 Christian Tismer's "trashcan" patch: Guido van Rossum <guido@python.org> parents: 11969 diff changeset	2064 }
c94247b5c355 Christian Tismer's "trashcan" patch: Guido van Rossum <guido@python.org> parents: 11969 diff changeset	2065
24122 d332484e394a Trashcan cleanup: Now that cyclic gc is always there, the trashcan Tim Peters <tim.peters@gmail.com> parents: 24121 diff changeset	2066 /* 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	2067 * 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	2068 */
11999 c94247b5c355 Christian Tismer's "trashcan" patch: Guido van Rossum <guido@python.org> parents: 11969 diff changeset	2069 void
13473 31b1f691a7d9 ANSI-fication of the sources. Fred Drake <fdrake@acm.org> parents: 13447 diff changeset	2070 _PyTrash_destroy_chain(void)
11999 c94247b5c355 Christian Tismer's "trashcan" patch: Guido van Rossum <guido@python.org> parents: 11969 diff changeset	2071 {
c94247b5c355 Christian Tismer's "trashcan" patch: Guido van Rossum <guido@python.org> parents: 11969 diff changeset	2072 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	2073 PyObject *op = _PyTrash_delete_later;
d332484e394a Trashcan cleanup: Now that cyclic gc is always there, the trashcan Tim Peters <tim.peters@gmail.com> parents: 24121 diff changeset	2074 destructor dealloc = op->ob_type->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	2075
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	2076 _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	2077 (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	2078
24122 d332484e394a Trashcan cleanup: Now that cyclic gc is always there, the trashcan Tim Peters <tim.peters@gmail.com> parents: 24121 diff changeset	2079 /* 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	2080 * 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	2081 * 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	2082 * 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	2083 * 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	2084 */
d332484e394a Trashcan cleanup: Now that cyclic gc is always there, the trashcan Tim Peters <tim.peters@gmail.com> parents: 24121 diff changeset	2085 assert(op->ob_refcnt == 0);
11999 c94247b5c355 Christian Tismer's "trashcan" patch: Guido van Rossum <guido@python.org> parents: 11969 diff changeset	2086 ++_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	2087 (*dealloc)(op);
11999 c94247b5c355 Christian Tismer's "trashcan" patch: Guido van Rossum <guido@python.org> parents: 11969 diff changeset	2088 --_PyTrash_delete_nesting;
c94247b5c355 Christian Tismer's "trashcan" patch: Guido van Rossum <guido@python.org> parents: 11969 diff changeset	2089 }
c94247b5c355 Christian Tismer's "trashcan" patch: Guido van Rossum <guido@python.org> parents: 11969 diff changeset	2090 }

Mercurial > cpython-lru_cache-weakref

annotate Objects/object.c @ 37639:bc4fbbb2db30 2.4