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

annotate Objects/object.c @ 32975:9b188158181f legacy-trunk

Typo fix; use 'in-place' instead of 'inplace'

author	Andrew M. Kuchling <amk@amk.ca>
date	Fri, 06 Aug 2004 18:55:09 +0000
parents	87d196e1c2d0
children	50c122bc7aac

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;
86 a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: 58 diff changeset	8 #endif
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	9
24420 36e2fd3f08f7 Excise DL_IMPORT/EXPORT from object.h, and related files. This patch Mark Hammond <mhammond@skippinet.com.au> parents: 24184 diff changeset	10 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	11
86 a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: 58 diff changeset	12 /* Object allocation routines used by NEWOBJ and NEWVAROBJ macros.
a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: 58 diff changeset	13 These are used by the individual routines for object creation.
a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: 58 diff changeset	14 Do not call them otherwise, they do not initialize the object! */
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	15
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	16 #ifdef Py_TRACE_REFS
28396 d56282c28a1e Improved new Py_TRACE_REFS gimmicks. Tim Peters <tim.peters@gmail.com> parents: 28389 diff changeset	17 /* 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	18 * 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	19 * 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	20 */
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	21 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	22
28396 d56282c28a1e Improved new Py_TRACE_REFS gimmicks. Tim Peters <tim.peters@gmail.com> parents: 28389 diff changeset	23 /* 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	24 * 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	25 * 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	26 * 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	27 * 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	28 * relinking it into the front.
28396 d56282c28a1e Improved new Py_TRACE_REFS gimmicks. Tim Peters <tim.peters@gmail.com> parents: 28389 diff changeset	29 * 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	30 * 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	31 * 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	32 * 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	33 */
28389 4ede57a42c62 Refactored some of the Py_TRACE_REFS code. New private API function Tim Peters <tim.peters@gmail.com> parents: 28388 diff changeset	34 void
28396 d56282c28a1e Improved new Py_TRACE_REFS gimmicks. Tim Peters <tim.peters@gmail.com> parents: 28389 diff changeset	35 _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	36 {
28396 d56282c28a1e Improved new Py_TRACE_REFS gimmicks. Tim Peters <tim.peters@gmail.com> parents: 28389 diff changeset	37 #ifdef Py_DEBUG
d56282c28a1e Improved new Py_TRACE_REFS gimmicks. Tim Peters <tim.peters@gmail.com> parents: 28389 diff changeset	38 if (!force) {
d56282c28a1e Improved new Py_TRACE_REFS gimmicks. Tim Peters <tim.peters@gmail.com> parents: 28389 diff changeset	39 /* 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	40 * the list unambiguously.
d56282c28a1e Improved new Py_TRACE_REFS gimmicks. Tim Peters <tim.peters@gmail.com> parents: 28389 diff changeset	41 */
d56282c28a1e Improved new Py_TRACE_REFS gimmicks. Tim Peters <tim.peters@gmail.com> parents: 28389 diff changeset	42 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	43 }
d56282c28a1e Improved new Py_TRACE_REFS gimmicks. Tim Peters <tim.peters@gmail.com> parents: 28389 diff changeset	44 #endif
d56282c28a1e Improved new Py_TRACE_REFS gimmicks. Tim Peters <tim.peters@gmail.com> parents: 28389 diff changeset	45 if (force \|\| op->_ob_prev == NULL) {
d56282c28a1e Improved new Py_TRACE_REFS gimmicks. Tim Peters <tim.peters@gmail.com> parents: 28389 diff changeset	46 op->_ob_next = refchain._ob_next;
d56282c28a1e Improved new Py_TRACE_REFS gimmicks. Tim Peters <tim.peters@gmail.com> parents: 28389 diff changeset	47 op->_ob_prev = &refchain;
d56282c28a1e Improved new Py_TRACE_REFS gimmicks. Tim Peters <tim.peters@gmail.com> parents: 28389 diff changeset	48 refchain._ob_next->_ob_prev = op;
d56282c28a1e Improved new Py_TRACE_REFS gimmicks. Tim Peters <tim.peters@gmail.com> parents: 28389 diff changeset	49 refchain._ob_next = op;
d56282c28a1e Improved new Py_TRACE_REFS gimmicks. Tim Peters <tim.peters@gmail.com> parents: 28389 diff changeset	50 }
28389 4ede57a42c62 Refactored some of the Py_TRACE_REFS code. New private API function Tim Peters <tim.peters@gmail.com> parents: 28388 diff changeset	51 }
28396 d56282c28a1e Improved new Py_TRACE_REFS gimmicks. Tim Peters <tim.peters@gmail.com> parents: 28389 diff changeset	52 #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	53
1347 a22a350d3a5d * Extended X interface: pixmap objects, colormap objects visual objects, Sjoerd Mullender <sjoerd@acm.org> parents: 1324 diff changeset	54 #ifdef COUNT_ALLOCS
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5006 diff changeset	55 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	56 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	57 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	58 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	59 void
13473 31b1f691a7d9 ANSI-fication of the sources. Fred Drake <fdrake@acm.org> parents: 13447 diff changeset	60 dump_counts(void)
1347 a22a350d3a5d * Extended X interface: pixmap objects, colormap objects visual objects, Sjoerd Mullender <sjoerd@acm.org> parents: 1324 diff changeset	61 {
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5006 diff changeset	62 PyTypeObject *tp;
1347 a22a350d3a5d * Extended X interface: pixmap objects, colormap objects visual objects, Sjoerd Mullender <sjoerd@acm.org> parents: 1324 diff changeset	63
a22a350d3a5d * Extended X interface: pixmap objects, colormap objects visual objects, Sjoerd Mullender <sjoerd@acm.org> parents: 1324 diff changeset	64 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	65 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	66 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	67 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	68 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	69 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	70 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	71 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	72 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	73 null_strings, one_strings);
1347 a22a350d3a5d * Extended X interface: pixmap objects, colormap objects visual objects, Sjoerd Mullender <sjoerd@acm.org> parents: 1324 diff changeset	74 }
a22a350d3a5d * Extended X interface: pixmap objects, colormap objects visual objects, Sjoerd Mullender <sjoerd@acm.org> parents: 1324 diff changeset	75
3024 54aa87b1ccee Implemented two new functions in sys: Sjoerd Mullender <sjoerd@acm.org> parents: 2827 diff changeset	76 PyObject *
13473 31b1f691a7d9 ANSI-fication of the sources. Fred Drake <fdrake@acm.org> parents: 13447 diff changeset	77 get_counts(void)
3024 54aa87b1ccee Implemented two new functions in sys: Sjoerd Mullender <sjoerd@acm.org> parents: 2827 diff changeset	78 {
54aa87b1ccee Implemented two new functions in sys: Sjoerd Mullender <sjoerd@acm.org> parents: 2827 diff changeset	79 PyTypeObject *tp;
54aa87b1ccee Implemented two new functions in sys: Sjoerd Mullender <sjoerd@acm.org> parents: 2827 diff changeset	80 PyObject *result;
54aa87b1ccee Implemented two new functions in sys: Sjoerd Mullender <sjoerd@acm.org> parents: 2827 diff changeset	81 PyObject *v;
54aa87b1ccee Implemented two new functions in sys: Sjoerd Mullender <sjoerd@acm.org> parents: 2827 diff changeset	82
54aa87b1ccee Implemented two new functions in sys: Sjoerd Mullender <sjoerd@acm.org> parents: 2827 diff changeset	83 result = PyList_New(0);
54aa87b1ccee Implemented two new functions in sys: Sjoerd Mullender <sjoerd@acm.org> parents: 2827 diff changeset	84 if (result == NULL)
54aa87b1ccee Implemented two new functions in sys: Sjoerd Mullender <sjoerd@acm.org> parents: 2827 diff changeset	85 return NULL;
54aa87b1ccee Implemented two new functions in sys: Sjoerd Mullender <sjoerd@acm.org> parents: 2827 diff changeset	86 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	87 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	88 tp->tp_frees, tp->tp_maxalloc);
3024 54aa87b1ccee Implemented two new functions in sys: Sjoerd Mullender <sjoerd@acm.org> parents: 2827 diff changeset	89 if (v == NULL) {
54aa87b1ccee Implemented two new functions in sys: Sjoerd Mullender <sjoerd@acm.org> parents: 2827 diff changeset	90 Py_DECREF(result);
54aa87b1ccee Implemented two new functions in sys: Sjoerd Mullender <sjoerd@acm.org> parents: 2827 diff changeset	91 return NULL;
54aa87b1ccee Implemented two new functions in sys: Sjoerd Mullender <sjoerd@acm.org> parents: 2827 diff changeset	92 }
54aa87b1ccee Implemented two new functions in sys: Sjoerd Mullender <sjoerd@acm.org> parents: 2827 diff changeset	93 if (PyList_Append(result, v) < 0) {
54aa87b1ccee Implemented two new functions in sys: Sjoerd Mullender <sjoerd@acm.org> parents: 2827 diff changeset	94 Py_DECREF(v);
54aa87b1ccee Implemented two new functions in sys: Sjoerd Mullender <sjoerd@acm.org> parents: 2827 diff changeset	95 Py_DECREF(result);
54aa87b1ccee Implemented two new functions in sys: Sjoerd Mullender <sjoerd@acm.org> parents: 2827 diff changeset	96 return NULL;
54aa87b1ccee Implemented two new functions in sys: Sjoerd Mullender <sjoerd@acm.org> parents: 2827 diff changeset	97 }
54aa87b1ccee Implemented two new functions in sys: Sjoerd Mullender <sjoerd@acm.org> parents: 2827 diff changeset	98 Py_DECREF(v);
54aa87b1ccee Implemented two new functions in sys: Sjoerd Mullender <sjoerd@acm.org> parents: 2827 diff changeset	99 }
54aa87b1ccee Implemented two new functions in sys: Sjoerd Mullender <sjoerd@acm.org> parents: 2827 diff changeset	100 return result;
54aa87b1ccee Implemented two new functions in sys: Sjoerd Mullender <sjoerd@acm.org> parents: 2827 diff changeset	101 }
54aa87b1ccee Implemented two new functions in sys: Sjoerd Mullender <sjoerd@acm.org> parents: 2827 diff changeset	102
1347 a22a350d3a5d * Extended X interface: pixmap objects, colormap objects visual objects, Sjoerd Mullender <sjoerd@acm.org> parents: 1324 diff changeset	103 void
13473 31b1f691a7d9 ANSI-fication of the sources. Fred Drake <fdrake@acm.org> parents: 13447 diff changeset	104 inc_count(PyTypeObject *tp)
1347 a22a350d3a5d * Extended X interface: pixmap objects, colormap objects visual objects, Sjoerd Mullender <sjoerd@acm.org> parents: 1324 diff changeset	105 {
18933 09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	106 if (tp->tp_allocs == 0) {
2639 f11ba9cc342f change in counting freed objects Guido van Rossum <guido@python.org> parents: 2612 diff changeset	107 /* 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	108 if (tp->tp_next != NULL) /* sanity check */
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5006 diff changeset	109 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	110 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	111 /* 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	112 * 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	113 * 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	114 * 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	115 * 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	116 * (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	117 * 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	118 */
d7d816e1f522 SF bug 578752: COUNT_ALLOCS vs heap types Tim Peters <tim.peters@gmail.com> parents: 24126 diff changeset	119 Py_INCREF(tp);
1347 a22a350d3a5d * Extended X interface: pixmap objects, colormap objects visual objects, Sjoerd Mullender <sjoerd@acm.org> parents: 1324 diff changeset	120 type_list = tp;
28388 f81239c12c60 Oops! Used a wrong preprocessor symbol. Tim Peters <tim.peters@gmail.com> parents: 28387 diff changeset	121 #ifdef Py_TRACE_REFS
28396 d56282c28a1e Improved new Py_TRACE_REFS gimmicks. Tim Peters <tim.peters@gmail.com> parents: 28389 diff changeset	122 /* 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	123 * if not already there.
d56282c28a1e Improved new Py_TRACE_REFS gimmicks. Tim Peters <tim.peters@gmail.com> parents: 28389 diff changeset	124 */
d56282c28a1e Improved new Py_TRACE_REFS gimmicks. Tim Peters <tim.peters@gmail.com> parents: 28389 diff changeset	125 _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	126 #endif
1347 a22a350d3a5d * Extended X interface: pixmap objects, colormap objects visual objects, Sjoerd Mullender <sjoerd@acm.org> parents: 1324 diff changeset	127 }
18933 09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	128 tp->tp_allocs++;
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	129 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	130 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	131 }
a22a350d3a5d * Extended X interface: pixmap objects, colormap objects visual objects, Sjoerd Mullender <sjoerd@acm.org> parents: 1324 diff changeset	132 #endif
a22a350d3a5d * Extended X interface: pixmap objects, colormap objects visual objects, Sjoerd Mullender <sjoerd@acm.org> parents: 1324 diff changeset	133
24155 9456a2ccda61 The Py_REF_DEBUG/COUNT_ALLOCS/Py_TRACE_REFS macro minefield: added Tim Peters <tim.peters@gmail.com> parents: 24144 diff changeset	134 #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	135 /* 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	136 void
9456a2ccda61 The Py_REF_DEBUG/COUNT_ALLOCS/Py_TRACE_REFS macro minefield: added Tim Peters <tim.peters@gmail.com> parents: 24144 diff changeset	137 _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	138 {
9456a2ccda61 The Py_REF_DEBUG/COUNT_ALLOCS/Py_TRACE_REFS macro minefield: added Tim Peters <tim.peters@gmail.com> parents: 24144 diff changeset	139 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	140
9456a2ccda61 The Py_REF_DEBUG/COUNT_ALLOCS/Py_TRACE_REFS macro minefield: added Tim Peters <tim.peters@gmail.com> parents: 24144 diff changeset	141 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	142 "%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	143 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	144 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	145 }
9456a2ccda61 The Py_REF_DEBUG/COUNT_ALLOCS/Py_TRACE_REFS macro minefield: added Tim Peters <tim.peters@gmail.com> parents: 24144 diff changeset	146
9456a2ccda61 The Py_REF_DEBUG/COUNT_ALLOCS/Py_TRACE_REFS macro minefield: added Tim Peters <tim.peters@gmail.com> parents: 24144 diff changeset	147 #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	148
31940 059740d52ae5 Two new public API functions, Py_IncRef and Py_DecRef. Useful for Thomas Heller <theller@ctypes.org> parents: 31738 diff changeset	149 void
059740d52ae5 Two new public API functions, Py_IncRef and Py_DecRef. Useful for Thomas Heller <theller@ctypes.org> parents: 31738 diff changeset	150 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	151 {
059740d52ae5 Two new public API functions, Py_IncRef and Py_DecRef. Useful for Thomas Heller <theller@ctypes.org> parents: 31738 diff changeset	152 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	153 }
059740d52ae5 Two new public API functions, Py_IncRef and Py_DecRef. Useful for Thomas Heller <theller@ctypes.org> parents: 31738 diff changeset	154
059740d52ae5 Two new public API functions, Py_IncRef and Py_DecRef. Useful for Thomas Heller <theller@ctypes.org> parents: 31738 diff changeset	155 void
059740d52ae5 Two new public API functions, Py_IncRef and Py_DecRef. Useful for Thomas Heller <theller@ctypes.org> parents: 31738 diff changeset	156 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	157 {
059740d52ae5 Two new public API functions, Py_IncRef and Py_DecRef. Useful for Thomas Heller <theller@ctypes.org> parents: 31738 diff changeset	158 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	159 }
059740d52ae5 Two new public API functions, Py_IncRef and Py_DecRef. Useful for Thomas Heller <theller@ctypes.org> parents: 31738 diff changeset	160
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5006 diff changeset	161 PyObject *
13473 31b1f691a7d9 ANSI-fication of the sources. Fred Drake <fdrake@acm.org> parents: 13447 diff changeset	162 PyObject_Init(PyObject op, PyTypeObject tp)
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	163 {
25737 b0fa5f6a8bb9 PyObject_Init[Var] is almost always called from the PyObject_NEW[_VAR] Guido van Rossum <guido@python.org> parents: 25015 diff changeset	164 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	165 return PyErr_NoMemory();
12576 1c7c2dd1beb1 Vladimir Marangozov's long-awaited malloc restructuring. Guido van Rossum <guido@python.org> parents: 12481 diff changeset	166 /* 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	167 op->ob_type = tp;
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5006 diff changeset	168 _Py_NewReference(op);
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	169 return op;
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	170 }
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	171
12576 1c7c2dd1beb1 Vladimir Marangozov's long-awaited malloc restructuring. Guido van Rossum <guido@python.org> parents: 12481 diff changeset	172 PyVarObject *
13473 31b1f691a7d9 ANSI-fication of the sources. Fred Drake <fdrake@acm.org> parents: 13447 diff changeset	173 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	174 {
25737 b0fa5f6a8bb9 PyObject_Init[Var] is almost always called from the PyObject_NEW[_VAR] Guido van Rossum <guido@python.org> parents: 25015 diff changeset	175 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	176 return (PyVarObject *) PyErr_NoMemory();
12576 1c7c2dd1beb1 Vladimir Marangozov's long-awaited malloc restructuring. Guido van Rossum <guido@python.org> parents: 12481 diff changeset	177 /* 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	178 op->ob_size = size;
1c7c2dd1beb1 Vladimir Marangozov's long-awaited malloc restructuring. Guido van Rossum <guido@python.org> parents: 12481 diff changeset	179 op->ob_type = tp;
1c7c2dd1beb1 Vladimir Marangozov's long-awaited malloc restructuring. Guido van Rossum <guido@python.org> parents: 12481 diff changeset	180 _Py_NewReference((PyObject *)op);
1c7c2dd1beb1 Vladimir Marangozov's long-awaited malloc restructuring. Guido van Rossum <guido@python.org> parents: 12481 diff changeset	181 return op;
1c7c2dd1beb1 Vladimir Marangozov's long-awaited malloc restructuring. Guido van Rossum <guido@python.org> parents: 12481 diff changeset	182 }
1c7c2dd1beb1 Vladimir Marangozov's long-awaited malloc restructuring. Guido van Rossum <guido@python.org> parents: 12481 diff changeset	183
1c7c2dd1beb1 Vladimir Marangozov's long-awaited malloc restructuring. Guido van Rossum <guido@python.org> parents: 12481 diff changeset	184 PyObject *
13473 31b1f691a7d9 ANSI-fication of the sources. Fred Drake <fdrake@acm.org> parents: 13447 diff changeset	185 _PyObject_New(PyTypeObject *tp)
12576 1c7c2dd1beb1 Vladimir Marangozov's long-awaited malloc restructuring. Guido van Rossum <guido@python.org> parents: 12481 diff changeset	186 {
1c7c2dd1beb1 Vladimir Marangozov's long-awaited malloc restructuring. Guido van Rossum <guido@python.org> parents: 12481 diff changeset	187 PyObject *op;
1c7c2dd1beb1 Vladimir Marangozov's long-awaited malloc restructuring. Guido van Rossum <guido@python.org> parents: 12481 diff changeset	188 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	189 if (op == NULL)
1c7c2dd1beb1 Vladimir Marangozov's long-awaited malloc restructuring. Guido van Rossum <guido@python.org> parents: 12481 diff changeset	190 return PyErr_NoMemory();
1c7c2dd1beb1 Vladimir Marangozov's long-awaited malloc restructuring. Guido van Rossum <guido@python.org> parents: 12481 diff changeset	191 return PyObject_INIT(op, tp);
1c7c2dd1beb1 Vladimir Marangozov's long-awaited malloc restructuring. Guido van Rossum <guido@python.org> parents: 12481 diff changeset	192 }
1c7c2dd1beb1 Vladimir Marangozov's long-awaited malloc restructuring. Guido van Rossum <guido@python.org> parents: 12481 diff changeset	193
5535 20c2b715188e Oops, another forgotten renaming: varobject -> PyVarObject. Guido van Rossum <guido@python.org> parents: 5396 diff changeset	194 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	195 _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	196 {
5535 20c2b715188e Oops, another forgotten renaming: varobject -> PyVarObject. Guido van Rossum <guido@python.org> parents: 5396 diff changeset	197 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	198 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	199 op = (PyVarObject *) PyObject_MALLOC(size);
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	200 if (op == NULL)
5535 20c2b715188e Oops, another forgotten renaming: varobject -> PyVarObject. Guido van Rossum <guido@python.org> parents: 5396 diff changeset	201 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	202 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	203 }
1c7c2dd1beb1 Vladimir Marangozov's long-awaited malloc restructuring. Guido van Rossum <guido@python.org> parents: 12481 diff changeset	204
22982 d09740b2e03d Move PyObject_Malloc and PyObject_Free to obmalloc.c. Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 22785 diff changeset	205 /* 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	206 #undef _PyObject_Del
12576 1c7c2dd1beb1 Vladimir Marangozov's long-awaited malloc restructuring. Guido van Rossum <guido@python.org> parents: 12481 diff changeset	207 void
13473 31b1f691a7d9 ANSI-fication of the sources. Fred Drake <fdrake@acm.org> parents: 13447 diff changeset	208 _PyObject_Del(PyObject *op)
12576 1c7c2dd1beb1 Vladimir Marangozov's long-awaited malloc restructuring. Guido van Rossum <guido@python.org> parents: 12481 diff changeset	209 {
13265 e8bb0d536633 Neil Schemenauer: small fixes for GC Guido van Rossum <guido@python.org> parents: 13256 diff changeset	210 PyObject_FREE(op);
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	211 }
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	212
27234 e9f45b8efd6b Fix SF bug #667147, Segmentation fault printing str subclass Neal Norwitz <nnorwitz@gmail.com> parents: 26263 diff changeset	213 /* 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	214 static int
e9f45b8efd6b Fix SF bug #667147, Segmentation fault printing str subclass Neal Norwitz <nnorwitz@gmail.com> parents: 26263 diff changeset	215 internal_print(PyObject op, FILE fp, int flags, int nesting)
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	216 {
322 1a6cf1f8ccec Check for write errors after printing a value Guido van Rossum <guido@python.org> parents: 307 diff changeset	217 int ret = 0;
27234 e9f45b8efd6b Fix SF bug #667147, Segmentation fault printing str subclass Neal Norwitz <nnorwitz@gmail.com> parents: 26263 diff changeset	218 if (nesting > 10) {
e9f45b8efd6b Fix SF bug #667147, Segmentation fault printing str subclass Neal Norwitz <nnorwitz@gmail.com> parents: 26263 diff changeset	219 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	220 return -1;
e9f45b8efd6b Fix SF bug #667147, Segmentation fault printing str subclass Neal Norwitz <nnorwitz@gmail.com> parents: 26263 diff changeset	221 }
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5006 diff changeset	222 if (PyErr_CheckSignals())
284 6ac402023cac printobject now returns an error code Guido van Rossum <guido@python.org> parents: 231 diff changeset	223 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	224 #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	225 if (PyOS_CheckStack()) {
15318 8aa947e1eee8 Ka-Ping Yee <ping@lfw.org>: Fred Drake <fdrake@acm.org> parents: 14869 diff changeset	226 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	227 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	228 }
c69ad566aeb1 If USE_STACKCHECK is defined use PyOS_CheckStack() in the repr and str Guido van Rossum <guido@python.org> parents: 8111 diff changeset	229 #endif
11649 38560a3a3249 On Linux, one sometimes sees spurious errors after interrupting Guido van Rossum <guido@python.org> parents: 8695 diff changeset	230 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	231 if (op == NULL) {
6ac402023cac printobject now returns an error code Guido van Rossum <guido@python.org> parents: 231 diff changeset	232 fprintf(fp, "<nil>");
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	233 }
284 6ac402023cac printobject now returns an error code Guido van Rossum <guido@python.org> parents: 231 diff changeset	234 else {
6ac402023cac printobject now returns an error code Guido van Rossum <guido@python.org> parents: 231 diff changeset	235 if (op->ob_refcnt <= 0)
13210 ff243b0f16ee Trent Mick <trentm@activestate.com>: Fred Drake <fdrake@acm.org> parents: 13183 diff changeset	236 fprintf(fp, "<refcnt %u at %p>",
ff243b0f16ee Trent Mick <trentm@activestate.com>: Fred Drake <fdrake@acm.org> parents: 13183 diff changeset	237 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	238 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	239 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	240 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	241 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	242 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	243 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	244 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	245 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	246 else {
27234 e9f45b8efd6b Fix SF bug #667147, Segmentation fault printing str subclass Neal Norwitz <nnorwitz@gmail.com> parents: 26263 diff changeset	247 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	248 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	249 }
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	250 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	251 }
284 6ac402023cac printobject now returns an error code Guido van Rossum <guido@python.org> parents: 231 diff changeset	252 else
322 1a6cf1f8ccec Check for write errors after printing a value Guido van Rossum <guido@python.org> parents: 307 diff changeset	253 ret = (*op->ob_type->tp_print)(op, fp, flags);
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	254 }
322 1a6cf1f8ccec Check for write errors after printing a value Guido van Rossum <guido@python.org> parents: 307 diff changeset	255 if (ret == 0) {
1a6cf1f8ccec Check for write errors after printing a value Guido van Rossum <guido@python.org> parents: 307 diff changeset	256 if (ferror(fp)) {
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5006 diff changeset	257 PyErr_SetFromErrno(PyExc_IOError);
322 1a6cf1f8ccec Check for write errors after printing a value Guido van Rossum <guido@python.org> parents: 307 diff changeset	258 clearerr(fp);
1a6cf1f8ccec Check for write errors after printing a value Guido van Rossum <guido@python.org> parents: 307 diff changeset	259 ret = -1;
1a6cf1f8ccec Check for write errors after printing a value Guido van Rossum <guido@python.org> parents: 307 diff changeset	260 }
1a6cf1f8ccec Check for write errors after printing a value Guido van Rossum <guido@python.org> parents: 307 diff changeset	261 }
1a6cf1f8ccec Check for write errors after printing a value Guido van Rossum <guido@python.org> parents: 307 diff changeset	262 return ret;
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	263 }
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	264
27234 e9f45b8efd6b Fix SF bug #667147, Segmentation fault printing str subclass Neal Norwitz <nnorwitz@gmail.com> parents: 26263 diff changeset	265 int
e9f45b8efd6b Fix SF bug #667147, Segmentation fault printing str subclass Neal Norwitz <nnorwitz@gmail.com> parents: 26263 diff changeset	266 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	267 {
e9f45b8efd6b Fix SF bug #667147, Segmentation fault printing str subclass Neal Norwitz <nnorwitz@gmail.com> parents: 26263 diff changeset	268 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	269 }
e9f45b8efd6b Fix SF bug #667147, Segmentation fault printing str subclass Neal Norwitz <nnorwitz@gmail.com> parents: 26263 diff changeset	270
e9f45b8efd6b Fix SF bug #667147, Segmentation fault printing str subclass Neal Norwitz <nnorwitz@gmail.com> parents: 26263 diff changeset	271
16165 0a72070eab6e A few miscellaneous helpers. Barry Warsaw <barry@python.org> parents: 16123 diff changeset	272 /* 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	273 void _PyObject_Dump(PyObject* op)
16165 0a72070eab6e A few miscellaneous helpers. Barry Warsaw <barry@python.org> parents: 16123 diff changeset	274 {
16742 db61894b0d6f _PyObject_Dump(): If argument is NULL, print "NULL" instead of Barry Warsaw <barry@python.org> parents: 16741 diff changeset	275 if (op == NULL)
db61894b0d6f _PyObject_Dump(): If argument is NULL, print "NULL" instead of Barry Warsaw <barry@python.org> parents: 16741 diff changeset	276 fprintf(stderr, "NULL\n");
db61894b0d6f _PyObject_Dump(): If argument is NULL, print "NULL" instead of Barry Warsaw <barry@python.org> parents: 16741 diff changeset	277 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	278 fprintf(stderr, "object : ");
16742 db61894b0d6f _PyObject_Dump(): If argument is NULL, print "NULL" instead of Barry Warsaw <barry@python.org> parents: 16741 diff changeset	279 (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	280 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	281 "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	282 "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	283 "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	284 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	285 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	286 op);
16742 db61894b0d6f _PyObject_Dump(): If argument is NULL, print "NULL" instead of Barry Warsaw <barry@python.org> parents: 16741 diff changeset	287 }
16165 0a72070eab6e A few miscellaneous helpers. Barry Warsaw <barry@python.org> parents: 16123 diff changeset	288 }
16167 71ceaba3f615 PyObject_Dump(): Use %p format to print the address of the pointer. Barry Warsaw <barry@python.org> parents: 16165 diff changeset	289
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5006 diff changeset	290 PyObject *
13473 31b1f691a7d9 ANSI-fication of the sources. Fred Drake <fdrake@acm.org> parents: 13447 diff changeset	291 PyObject_Repr(PyObject *v)
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	292 {
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5006 diff changeset	293 if (PyErr_CheckSignals())
284 6ac402023cac printobject now returns an error code Guido van Rossum <guido@python.org> parents: 231 diff changeset	294 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	295 #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	296 if (PyOS_CheckStack()) {
15318 8aa947e1eee8 Ka-Ping Yee <ping@lfw.org>: Fred Drake <fdrake@acm.org> parents: 14869 diff changeset	297 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	298 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	299 }
c69ad566aeb1 If USE_STACKCHECK is defined use PyOS_CheckStack() in the repr and str Guido van Rossum <guido@python.org> parents: 8111 diff changeset	300 #endif
284 6ac402023cac printobject now returns an error code Guido van Rossum <guido@python.org> parents: 231 diff changeset	301 if (v == NULL)
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5006 diff changeset	302 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	303 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	304 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	305 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	306 else {
74b7213fb609 Many changes for Unicode, by Marc-Andre Lemburg. Guido van Rossum <guido@python.org> parents: 11673 diff changeset	307 PyObject *res;
74b7213fb609 Many changes for Unicode, by Marc-Andre Lemburg. Guido van Rossum <guido@python.org> parents: 11673 diff changeset	308 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	309 if (res == NULL)
74b7213fb609 Many changes for Unicode, by Marc-Andre Lemburg. Guido van Rossum <guido@python.org> parents: 11673 diff changeset	310 return NULL;
19343 7257e87e0720 Patch #445762: Support --disable-unicode Martin v. Löwis <martin@v.loewis.de> parents: 19294 diff changeset	311 #ifdef Py_USING_UNICODE
13293 e38be8717ec0 changed repr and str to always convert unicode strings Fredrik Lundh <fredrik@pythonware.com> parents: 13265 diff changeset	312 if (PyUnicode_Check(res)) {
e38be8717ec0 changed repr and str to always convert unicode strings Fredrik Lundh <fredrik@pythonware.com> parents: 13265 diff changeset	313 PyObject* str;
13436 bc9e22ad5c46 - changed __repr__ to use "unicode escape" encoding for unicode Fredrik Lundh <fredrik@pythonware.com> parents: 13432 diff changeset	314 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	315 Py_DECREF(res);
390e5d51ff73 If auto-conversion fails, the Unicode codecs will return NULL. Marc-André Lemburg <mal@egenix.com> parents: 13293 diff changeset	316 if (str)
13293 e38be8717ec0 changed repr and str to always convert unicode strings Fredrik Lundh <fredrik@pythonware.com> parents: 13265 diff changeset	317 res = str;
13319 390e5d51ff73 If auto-conversion fails, the Unicode codecs will return NULL. Marc-André Lemburg <mal@egenix.com> parents: 13293 diff changeset	318 else
390e5d51ff73 If auto-conversion fails, the Unicode codecs will return NULL. Marc-André Lemburg <mal@egenix.com> parents: 13293 diff changeset	319 return NULL;
13293 e38be8717ec0 changed repr and str to always convert unicode strings Fredrik Lundh <fredrik@pythonware.com> parents: 13265 diff changeset	320 }
19343 7257e87e0720 Patch #445762: Support --disable-unicode Martin v. Löwis <martin@v.loewis.de> parents: 19294 diff changeset	321 #endif
11969 74b7213fb609 Many changes for Unicode, by Marc-Andre Lemburg. Guido van Rossum <guido@python.org> parents: 11673 diff changeset	322 if (!PyString_Check(res)) {
74b7213fb609 Many changes for Unicode, by Marc-Andre Lemburg. Guido van Rossum <guido@python.org> parents: 11673 diff changeset	323 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	324 "__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	325 res->ob_type->tp_name);
74b7213fb609 Many changes for Unicode, by Marc-Andre Lemburg. Guido van Rossum <guido@python.org> parents: 11673 diff changeset	326 Py_DECREF(res);
74b7213fb609 Many changes for Unicode, by Marc-Andre Lemburg. Guido van Rossum <guido@python.org> parents: 11673 diff changeset	327 return NULL;
74b7213fb609 Many changes for Unicode, by Marc-Andre Lemburg. Guido van Rossum <guido@python.org> parents: 11673 diff changeset	328 }
74b7213fb609 Many changes for Unicode, by Marc-Andre Lemburg. Guido van Rossum <guido@python.org> parents: 11673 diff changeset	329 return res;
74b7213fb609 Many changes for Unicode, by Marc-Andre Lemburg. Guido van Rossum <guido@python.org> parents: 11673 diff changeset	330 }
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	331 }
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	332
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5006 diff changeset	333 PyObject *
13473 31b1f691a7d9 ANSI-fication of the sources. Fred Drake <fdrake@acm.org> parents: 13447 diff changeset	334 PyObject_Str(PyObject *v)
1400 aac8231a715c * mpzmodule.c: removed redundant mpz_print function. Guido van Rossum <guido@python.org> parents: 1361 diff changeset	335 {
11969 74b7213fb609 Many changes for Unicode, by Marc-Andre Lemburg. Guido van Rossum <guido@python.org> parents: 11673 diff changeset	336 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	337
1400 aac8231a715c * mpzmodule.c: removed redundant mpz_print function. Guido van Rossum <guido@python.org> parents: 1361 diff changeset	338 if (v == NULL)
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5006 diff changeset	339 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	340 if (PyString_CheckExact(v)) {
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5006 diff changeset	341 Py_INCREF(v);
1400 aac8231a715c * mpzmodule.c: removed redundant mpz_print function. Guido van Rossum <guido@python.org> parents: 1361 diff changeset	342 return v;
aac8231a715c * mpzmodule.c: removed redundant mpz_print function. Guido van Rossum <guido@python.org> parents: 1361 diff changeset	343 }
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	344 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	345 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	346
d1ec679baa3d Printing objects to a real file still wasn't done right: if the Guido van Rossum <guido@python.org> parents: 17639 diff changeset	347 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	348 if (res == NULL)
74b7213fb609 Many changes for Unicode, by Marc-Andre Lemburg. Guido van Rossum <guido@python.org> parents: 11673 diff changeset	349 return NULL;
19343 7257e87e0720 Patch #445762: Support --disable-unicode Martin v. Löwis <martin@v.loewis.de> parents: 19294 diff changeset	350 #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	351 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	352 PyObject* str;
390e5d51ff73 If auto-conversion fails, the Unicode codecs will return NULL. Marc-André Lemburg <mal@egenix.com> parents: 13293 diff changeset	353 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	354 Py_DECREF(res);
390e5d51ff73 If auto-conversion fails, the Unicode codecs will return NULL. Marc-André Lemburg <mal@egenix.com> parents: 13293 diff changeset	355 if (str)
390e5d51ff73 If auto-conversion fails, the Unicode codecs will return NULL. Marc-André Lemburg <mal@egenix.com> parents: 13293 diff changeset	356 res = str;
390e5d51ff73 If auto-conversion fails, the Unicode codecs will return NULL. Marc-André Lemburg <mal@egenix.com> parents: 13293 diff changeset	357 else
390e5d51ff73 If auto-conversion fails, the Unicode codecs will return NULL. Marc-André Lemburg <mal@egenix.com> parents: 13293 diff changeset	358 return NULL;
390e5d51ff73 If auto-conversion fails, the Unicode codecs will return NULL. Marc-André Lemburg <mal@egenix.com> parents: 13293 diff changeset	359 }
19343 7257e87e0720 Patch #445762: Support --disable-unicode Martin v. Löwis <martin@v.loewis.de> parents: 19294 diff changeset	360 #endif
11969 74b7213fb609 Many changes for Unicode, by Marc-Andre Lemburg. Guido van Rossum <guido@python.org> parents: 11673 diff changeset	361 if (!PyString_Check(res)) {
74b7213fb609 Many changes for Unicode, by Marc-Andre Lemburg. Guido van Rossum <guido@python.org> parents: 11673 diff changeset	362 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	363 "__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	364 res->ob_type->tp_name);
74b7213fb609 Many changes for Unicode, by Marc-Andre Lemburg. Guido van Rossum <guido@python.org> parents: 11673 diff changeset	365 Py_DECREF(res);
74b7213fb609 Many changes for Unicode, by Marc-Andre Lemburg. Guido van Rossum <guido@python.org> parents: 11673 diff changeset	366 return NULL;
74b7213fb609 Many changes for Unicode, by Marc-Andre Lemburg. Guido van Rossum <guido@python.org> parents: 11673 diff changeset	367 }
74b7213fb609 Many changes for Unicode, by Marc-Andre Lemburg. Guido van Rossum <guido@python.org> parents: 11673 diff changeset	368 return res;
1400 aac8231a715c * mpzmodule.c: removed redundant mpz_print function. Guido van Rossum <guido@python.org> parents: 1361 diff changeset	369 }
aac8231a715c * mpzmodule.c: removed redundant mpz_print function. Guido van Rossum <guido@python.org> parents: 1361 diff changeset	370
19343 7257e87e0720 Patch #445762: Support --disable-unicode Martin v. Löwis <martin@v.loewis.de> parents: 19294 diff changeset	371 #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	372 PyObject *
f3740674ac5b Changes to recursive-object comparisons, having to do with a test case Guido van Rossum <guido@python.org> parents: 15962 diff changeset	373 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	374 {
f3740674ac5b Changes to recursive-object comparisons, having to do with a test case Guido van Rossum <guido@python.org> parents: 15962 diff changeset	375 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	376
16001 f3740674ac5b Changes to recursive-object comparisons, having to do with a test case Guido van Rossum <guido@python.org> parents: 15962 diff changeset	377 if (v == NULL)
f3740674ac5b Changes to recursive-object comparisons, having to do with a test case Guido van Rossum <guido@python.org> parents: 15962 diff changeset	378 res = PyString_FromString("<NULL>");
20554 0336ee5b46d4 SF patch #470578: Fixes to synchronize unicode() and str() Guido van Rossum <guido@python.org> parents: 20464 diff changeset	379 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	380 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	381 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	382 }
20554 0336ee5b46d4 SF patch #470578: Fixes to synchronize unicode() and str() Guido van Rossum <guido@python.org> parents: 20464 diff changeset	383 if (PyUnicode_Check(v)) {
0336ee5b46d4 SF patch #470578: Fixes to synchronize unicode() and str() Guido van Rossum <guido@python.org> parents: 20464 diff changeset	384 /* 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	385 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	386 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	387 PyUnicode_GET_SIZE(v));
0336ee5b46d4 SF patch #470578: Fixes to synchronize unicode() and str() Guido van Rossum <guido@python.org> parents: 20464 diff changeset	388 }
0336ee5b46d4 SF patch #470578: Fixes to synchronize unicode() and str() Guido van Rossum <guido@python.org> parents: 20464 diff changeset	389 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	390 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	391 res = v;
17220 b60096d5001a Fixed ref count bug. Patch #411191. Found by Walter Dörwald. Marc-André Lemburg <mal@egenix.com> parents: 16782 diff changeset	392 }
16001 f3740674ac5b Changes to recursive-object comparisons, having to do with a test case Guido van Rossum <guido@python.org> parents: 15962 diff changeset	393 else {
f3740674ac5b Changes to recursive-object comparisons, having to do with a test case Guido van Rossum <guido@python.org> parents: 15962 diff changeset	394 PyObject *func;
20554 0336ee5b46d4 SF patch #470578: Fixes to synchronize unicode() and str() Guido van Rossum <guido@python.org> parents: 20464 diff changeset	395 static PyObject *unicodestr;
0336ee5b46d4 SF patch #470578: Fixes to synchronize unicode() and str() Guido van Rossum <guido@python.org> parents: 20464 diff changeset	396 /* 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	397 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	398 method. */
0336ee5b46d4 SF patch #470578: Fixes to synchronize unicode() and str() Guido van Rossum <guido@python.org> parents: 20464 diff changeset	399 if (unicodestr == NULL) {
0336ee5b46d4 SF patch #470578: Fixes to synchronize unicode() and str() Guido van Rossum <guido@python.org> parents: 20464 diff changeset	400 unicodestr= PyString_InternFromString(
0336ee5b46d4 SF patch #470578: Fixes to synchronize unicode() and str() Guido van Rossum <guido@python.org> parents: 20464 diff changeset	401 "__unicode__");
0336ee5b46d4 SF patch #470578: Fixes to synchronize unicode() and str() Guido van Rossum <guido@python.org> parents: 20464 diff changeset	402 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	403 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	404 }
20554 0336ee5b46d4 SF patch #470578: Fixes to synchronize unicode() and str() Guido van Rossum <guido@python.org> parents: 20464 diff changeset	405 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	406 if (func != NULL) {
0336ee5b46d4 SF patch #470578: Fixes to synchronize unicode() and str() Guido van Rossum <guido@python.org> parents: 20464 diff changeset	407 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	408 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	409 }
f3740674ac5b Changes to recursive-object comparisons, having to do with a test case Guido van Rossum <guido@python.org> parents: 15962 diff changeset	410 else {
20554 0336ee5b46d4 SF patch #470578: Fixes to synchronize unicode() and str() Guido van Rossum <guido@python.org> parents: 20464 diff changeset	411 PyErr_Clear();
0336ee5b46d4 SF patch #470578: Fixes to synchronize unicode() and str() Guido van Rossum <guido@python.org> parents: 20464 diff changeset	412 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	413 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	414 else
0336ee5b46d4 SF patch #470578: Fixes to synchronize unicode() and str() Guido van Rossum <guido@python.org> parents: 20464 diff changeset	415 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	416 }
f3740674ac5b Changes to recursive-object comparisons, having to do with a test case Guido van Rossum <guido@python.org> parents: 15962 diff changeset	417 }
f3740674ac5b Changes to recursive-object comparisons, having to do with a test case Guido van Rossum <guido@python.org> parents: 15962 diff changeset	418 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	419 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	420 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	421 PyObject *str;
0336ee5b46d4 SF patch #470578: Fixes to synchronize unicode() and str() Guido van Rossum <guido@python.org> parents: 20464 diff changeset	422 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	423 Py_DECREF(res);
f3740674ac5b Changes to recursive-object comparisons, having to do with a test case Guido van Rossum <guido@python.org> parents: 15962 diff changeset	424 if (str)
f3740674ac5b Changes to recursive-object comparisons, having to do with a test case Guido van Rossum <guido@python.org> parents: 15962 diff changeset	425 res = str;
f3740674ac5b Changes to recursive-object comparisons, having to do with a test case Guido van Rossum <guido@python.org> parents: 15962 diff changeset	426 else
f3740674ac5b Changes to recursive-object comparisons, having to do with a test case Guido van Rossum <guido@python.org> parents: 15962 diff changeset	427 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	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 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	430 }
19343 7257e87e0720 Patch #445762: Support --disable-unicode Martin v. Löwis <martin@v.loewis.de> parents: 19294 diff changeset	431 #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	432
f3740674ac5b Changes to recursive-object comparisons, having to do with a test case Guido van Rossum <guido@python.org> parents: 15962 diff changeset	433
23598 2b1d61781d63 Implement the intention of SF patch 472523 (but coded differently). Guido van Rossum <guido@python.org> parents: 23542 diff changeset	434 /* 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	435 -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	436 -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	437 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	438 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	439 (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	440 */
2b1d61781d63 Implement the intention of SF patch 472523 (but coded differently). Guido van Rossum <guido@python.org> parents: 23542 diff changeset	441 static int
2b1d61781d63 Implement the intention of SF patch 472523 (but coded differently). Guido van Rossum <guido@python.org> parents: 23542 diff changeset	442 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	443 {
2b1d61781d63 Implement the intention of SF patch 472523 (but coded differently). Guido van Rossum <guido@python.org> parents: 23542 diff changeset	444 if (PyErr_Occurred()) {
2b1d61781d63 Implement the intention of SF patch 472523 (but coded differently). Guido van Rossum <guido@python.org> parents: 23542 diff changeset	445 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	446 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	447 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	448 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	449 "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	450 "for exception") < 0) {
2b1d61781d63 Implement the intention of SF patch 472523 (but coded differently). Guido van Rossum <guido@python.org> parents: 23542 diff changeset	451 Py_XDECREF(t);
2b1d61781d63 Implement the intention of SF patch 472523 (but coded differently). Guido van Rossum <guido@python.org> parents: 23542 diff changeset	452 Py_XDECREF(v);
2b1d61781d63 Implement the intention of SF patch 472523 (but coded differently). Guido van Rossum <guido@python.org> parents: 23542 diff changeset	453 Py_XDECREF(tb);
2b1d61781d63 Implement the intention of SF patch 472523 (but coded differently). Guido van Rossum <guido@python.org> parents: 23542 diff changeset	454 }
2b1d61781d63 Implement the intention of SF patch 472523 (but coded differently). Guido van Rossum <guido@python.org> parents: 23542 diff changeset	455 else
2b1d61781d63 Implement the intention of SF patch 472523 (but coded differently). Guido van Rossum <guido@python.org> parents: 23542 diff changeset	456 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	457 }
2b1d61781d63 Implement the intention of SF patch 472523 (but coded differently). Guido van Rossum <guido@python.org> parents: 23542 diff changeset	458 return -2;
2b1d61781d63 Implement the intention of SF patch 472523 (but coded differently). Guido van Rossum <guido@python.org> parents: 23542 diff changeset	459 }
2b1d61781d63 Implement the intention of SF patch 472523 (but coded differently). Guido van Rossum <guido@python.org> parents: 23542 diff changeset	460 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	461 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	462 "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	463 return -2;
2b1d61781d63 Implement the intention of SF patch 472523 (but coded differently). Guido van Rossum <guido@python.org> parents: 23542 diff changeset	464 else
2b1d61781d63 Implement the intention of SF patch 472523 (but coded differently). Guido van Rossum <guido@python.org> parents: 23542 diff changeset	465 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	466 }
2b1d61781d63 Implement the intention of SF patch 472523 (but coded differently). Guido van Rossum <guido@python.org> parents: 23542 diff changeset	467 else {
2b1d61781d63 Implement the intention of SF patch 472523 (but coded differently). Guido van Rossum <guido@python.org> parents: 23542 diff changeset	468 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	469 return c;
2b1d61781d63 Implement the intention of SF patch 472523 (but coded differently). Guido van Rossum <guido@python.org> parents: 23542 diff changeset	470 }
2b1d61781d63 Implement the intention of SF patch 472523 (but coded differently). Guido van Rossum <guido@python.org> parents: 23542 diff changeset	471 }
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
16236 e5d59a9dbfc0 Check the Py_TPFLAGS_HAVE_RICHCOMPARE flag before using the Guido van Rossum <guido@python.org> parents: 16197 diff changeset	474 /* 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	475 #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	476 ? (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	477
15941 5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	478 /* Map rich comparison operators to their swapped version, e.g. LT --> GT */
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	479 static int swapped_op[] = {Py_GT, Py_GE, Py_EQ, Py_NE, Py_LT, Py_LE};
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	480
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	481 /* 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	482 NULL for exception;
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	483 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	484 undefined;
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	485 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	486 (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	487 */
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	488 static PyObject *
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	489 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	490 {
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	491 richcmpfunc f;
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	492 PyObject *res;
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	493
20140 225f17ec8932 Merge branch changes (coercion, rich comparisons) into trunk. Guido van Rossum <guido@python.org> parents: 20002 diff changeset	494 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	495 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	496 (f = RICHCOMPARE(w->ob_type)) != NULL) {
225f17ec8932 Merge branch changes (coercion, rich comparisons) into trunk. Guido van Rossum <guido@python.org> parents: 20002 diff changeset	497 res = (*f)(w, v, swapped_op[op]);
225f17ec8932 Merge branch changes (coercion, rich comparisons) into trunk. Guido van Rossum <guido@python.org> parents: 20002 diff changeset	498 if (res != Py_NotImplemented)
225f17ec8932 Merge branch changes (coercion, rich comparisons) into trunk. Guido van Rossum <guido@python.org> parents: 20002 diff changeset	499 return res;
225f17ec8932 Merge branch changes (coercion, rich comparisons) into trunk. Guido van Rossum <guido@python.org> parents: 20002 diff changeset	500 Py_DECREF(res);
225f17ec8932 Merge branch changes (coercion, rich comparisons) into trunk. Guido van Rossum <guido@python.org> parents: 20002 diff changeset	501 }
16236 e5d59a9dbfc0 Check the Py_TPFLAGS_HAVE_RICHCOMPARE flag before using the Guido van Rossum <guido@python.org> parents: 16197 diff changeset	502 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	503 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	504 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	505 return res;
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	506 Py_DECREF(res);
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	507 }
16236 e5d59a9dbfc0 Check the Py_TPFLAGS_HAVE_RICHCOMPARE flag before using the Guido van Rossum <guido@python.org> parents: 16197 diff changeset	508 if ((f = 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	509 return (*f)(w, v, swapped_op[op]);
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	510 }
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	511 res = Py_NotImplemented;
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	512 Py_INCREF(res);
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	513 return res;
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	514 }
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	515
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	516 /* 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	517 -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	518 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	519 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	520 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	521 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	522 */
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	523 static int
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	524 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	525 {
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	526 PyObject *res;
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	527 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	528
16236 e5d59a9dbfc0 Check the Py_TPFLAGS_HAVE_RICHCOMPARE flag before using the Guido van Rossum <guido@python.org> parents: 16197 diff changeset	529 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	530 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	531 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	532 if (res == NULL)
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	533 return -1;
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	534 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	535 Py_DECREF(res);
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	536 return 2;
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 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	539 Py_DECREF(res);
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	540 return ok;
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	541 }
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	542
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	543 /* 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	544 -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	545 -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	546 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	547 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	548 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	549 */
15726 db9f1893be01 Changes for PEP 208. PyObject_Compare has been rewritten. Instances no Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 15318 diff changeset	550 static int
15941 5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	551 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	552 {
15962 f1751abf771f Deal properly (?) with comparing recursive datastructures. Guido van Rossum <guido@python.org> parents: 15952 diff changeset	553 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	554 /* 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	555 {Py_EQ, 0},
f1751abf771f Deal properly (?) with comparing recursive datastructures. Guido van Rossum <guido@python.org> parents: 15952 diff changeset	556 {Py_LT, -1},
f1751abf771f Deal properly (?) with comparing recursive datastructures. Guido van Rossum <guido@python.org> parents: 15952 diff changeset	557 {Py_GT, 1},
f1751abf771f Deal properly (?) with comparing recursive datastructures. Guido van Rossum <guido@python.org> parents: 15952 diff changeset	558 };
f1751abf771f Deal properly (?) with comparing recursive datastructures. Guido van Rossum <guido@python.org> parents: 15952 diff changeset	559 int i;
f1751abf771f Deal properly (?) with comparing recursive datastructures. Guido van Rossum <guido@python.org> parents: 15952 diff changeset	560
16236 e5d59a9dbfc0 Check the Py_TPFLAGS_HAVE_RICHCOMPARE flag before using the Guido van Rossum <guido@python.org> parents: 16197 diff changeset	561 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	562 return 2; /* Shortcut */
15962 f1751abf771f Deal properly (?) with comparing recursive datastructures. Guido van Rossum <guido@python.org> parents: 15952 diff changeset	563
f1751abf771f Deal properly (?) with comparing recursive datastructures. Guido van Rossum <guido@python.org> parents: 15952 diff changeset	564 for (i = 0; i < 3; i++) {
f1751abf771f Deal properly (?) with comparing recursive datastructures. Guido van Rossum <guido@python.org> parents: 15952 diff changeset	565 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	566 case -1:
17698 aad0adf806ad SF bug #422108 - Error in rich comparisons. Tim Peters <tim.peters@gmail.com> parents: 17688 diff changeset	567 return -2;
15962 f1751abf771f Deal properly (?) with comparing recursive datastructures. Guido van Rossum <guido@python.org> parents: 15952 diff changeset	568 case 1:
f1751abf771f Deal properly (?) with comparing recursive datastructures. Guido van Rossum <guido@python.org> parents: 15952 diff changeset	569 return tries[i].outcome;
f1751abf771f Deal properly (?) with comparing recursive datastructures. Guido van Rossum <guido@python.org> parents: 15952 diff changeset	570 }
15941 5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	571 }
15962 f1751abf771f Deal properly (?) with comparing recursive datastructures. Guido van Rossum <guido@python.org> parents: 15952 diff changeset	572
f1751abf771f Deal properly (?) with comparing recursive datastructures. Guido van Rossum <guido@python.org> parents: 15952 diff changeset	573 return 2;
15941 5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	574 }
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	575
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	576 /* 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	577 -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	578 -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	579 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	580 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	581 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	582 */
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	583 static int
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	584 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	585 {
db9f1893be01 Changes for PEP 208. PyObject_Compare has been rewritten. Instances no Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 15318 diff changeset	586 int c;
15941 5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	587 cmpfunc f;
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	588
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	589 /* 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	590 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	591
19970 f761cab28c1c Hopefully fix 3-way comparisons. This unfortunately adds yet another Guido van Rossum <guido@python.org> parents: 19932 diff changeset	592 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	593 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	594 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	595 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	596 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	597
19970 f761cab28c1c Hopefully fix 3-way comparisons. This unfortunately adds yet another Guido van Rossum <guido@python.org> parents: 19932 diff changeset	598 /* 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	599 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	600 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	601 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	602 }
f761cab28c1c Hopefully fix 3-way comparisons. This unfortunately adds yet another Guido van Rossum <guido@python.org> parents: 19932 diff changeset	603
f761cab28c1c Hopefully fix 3-way comparisons. This unfortunately adds yet another Guido van Rossum <guido@python.org> parents: 19932 diff changeset	604 /* 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	605 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	606 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	607 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	608
15941 5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	609 /* 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	610 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	611 if (c < 0)
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	612 return -2;
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	613 if (c > 0)
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	614 return 2;
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	615
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	616 /* 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	617 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	618 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	619 Py_DECREF(v);
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	620 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	621 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	622 }
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	623
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	624 /* 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	625 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	626 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	627 Py_DECREF(v);
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	628 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	629 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	630 if (c >= -1)
2b1d61781d63 Implement the intention of SF patch 472523 (but coded differently). Guido van Rossum <guido@python.org> parents: 23542 diff changeset	631 return -c; /* Swapped! */
2b1d61781d63 Implement the intention of SF patch 472523 (but coded differently). Guido van Rossum <guido@python.org> parents: 23542 diff changeset	632 else
2b1d61781d63 Implement the intention of SF patch 472523 (but coded differently). Guido van Rossum <guido@python.org> parents: 23542 diff changeset	633 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	634 }
15941 5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	635
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	636 /* No comparison defined */
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	637 Py_DECREF(v);
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	638 Py_DECREF(w);
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	639 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	640 }
db9f1893be01 Changes for PEP 208. PyObject_Compare has been rewritten. Instances no Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 15318 diff changeset	641
15941 5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	642 /* 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	643 -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	644 -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	645 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	646 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	647 */
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	648 static int
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	649 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	650 {
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	651 int c;
16108 28d8ccbe237f Once again, numeric-smelling objects compare smaller than non-numeric Guido van Rossum <guido@python.org> parents: 16079 diff changeset	652 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	653
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	654 if (v->ob_type == w->ob_type) {
16062 afc6f1137ea4 Tim chastens: Barry Warsaw <barry@python.org> parents: 16061 diff changeset	655 /* When comparing these pointers, they must be cast to
afc6f1137ea4 Tim chastens: Barry Warsaw <barry@python.org> parents: 16061 diff changeset	656 * integer types (i.e. Py_uintptr_t, our spelling of C9X's
afc6f1137ea4 Tim chastens: Barry Warsaw <barry@python.org> parents: 16061 diff changeset	657 * uintptr_t). ANSI specifies that pointer compares other
afc6f1137ea4 Tim chastens: Barry Warsaw <barry@python.org> parents: 16061 diff changeset	658 * than == and != to non-related structures are undefined.
afc6f1137ea4 Tim chastens: Barry Warsaw <barry@python.org> parents: 16061 diff changeset	659 */
16061 6b647a5d5b7e default_3way_compare(): When comparing the pointers, they must be cast Barry Warsaw <barry@python.org> parents: 16002 diff changeset	660 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	661 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	662 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	663 }
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	664
19343 7257e87e0720 Patch #445762: Support --disable-unicode Martin v. Löwis <martin@v.loewis.de> parents: 19294 diff changeset	665 #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	666 /* 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	667 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	668 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	669 if (!PyErr_Occurred())
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	670 return c;
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	671 /* 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	672 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	673 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	674 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	675 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	676 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	677 return -2;
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	678 PyErr_Clear();
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 #endif
15941 5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	681
16123 f997ded4e219 New special case in comparisons: None is smaller than any other object Guido van Rossum <guido@python.org> parents: 16108 diff changeset	682 /* 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	683 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	684 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	685 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	686 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	687
27938 c9401a36bae7 default_3way_compare(): use PyNumber_Check(), rather than testing for Guido van Rossum <guido@python.org> parents: 27702 diff changeset	688 /* 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	689 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	690 vname = "";
28d8ccbe237f Once again, numeric-smelling objects compare smaller than non-numeric Guido van Rossum <guido@python.org> parents: 16079 diff changeset	691 else
28d8ccbe237f Once again, numeric-smelling objects compare smaller than non-numeric Guido van Rossum <guido@python.org> parents: 16079 diff changeset	692 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	693 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	694 wname = "";
28d8ccbe237f Once again, numeric-smelling objects compare smaller than non-numeric Guido van Rossum <guido@python.org> parents: 16079 diff changeset	695 else
28d8ccbe237f Once again, numeric-smelling objects compare smaller than non-numeric Guido van Rossum <guido@python.org> parents: 16079 diff changeset	696 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	697 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	698 if (c < 0)
28d8ccbe237f Once again, numeric-smelling objects compare smaller than non-numeric Guido van Rossum <guido@python.org> parents: 16079 diff changeset	699 return -1;
28d8ccbe237f Once again, numeric-smelling objects compare smaller than non-numeric Guido van Rossum <guido@python.org> parents: 16079 diff changeset	700 if (c > 0)
28d8ccbe237f Once again, numeric-smelling objects compare smaller than non-numeric Guido van Rossum <guido@python.org> parents: 16079 diff changeset	701 return 1;
28d8ccbe237f Once again, numeric-smelling objects compare smaller than non-numeric Guido van Rossum <guido@python.org> parents: 16079 diff changeset	702 /* 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	703 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	704 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	705 }
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	706
17698 aad0adf806ad SF bug #422108 - Error in rich comparisons. Tim Peters <tim.peters@gmail.com> parents: 17688 diff changeset	707 /* 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	708 -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	709 -1 if v < w;
17698 aad0adf806ad SF bug #422108 - Error in rich comparisons. Tim Peters <tim.peters@gmail.com> parents: 17688 diff changeset	710 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	711 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	712 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	713 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	714 */
15726 db9f1893be01 Changes for PEP 208. PyObject_Compare has been rewritten. Instances no Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 15318 diff changeset	715 static int
13473 31b1f691a7d9 ANSI-fication of the sources. Fred Drake <fdrake@acm.org> parents: 13447 diff changeset	716 do_cmp(PyObject v, PyObject w)
2124 36847b8b575d properly implement cmp() for class instances Guido van Rossum <guido@python.org> parents: 2113 diff changeset	717 {
15726 db9f1893be01 Changes for PEP 208. PyObject_Compare has been rewritten. Instances no Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 15318 diff changeset	718 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	719 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	720
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	721 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	722 && (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	723 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	724 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	725 /* 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	726 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	727 if (c != 2)
2b1d61781d63 Implement the intention of SF patch 472523 (but coded differently). Guido van Rossum <guido@python.org> parents: 23542 diff changeset	728 return c;
23599 197fb305fc5c Fix typo Neal Norwitz <nnorwitz@gmail.com> parents: 23598 diff changeset	729 /* 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	730 }
2b1d61781d63 Implement the intention of SF patch 472523 (but coded differently). Guido van Rossum <guido@python.org> parents: 23542 diff changeset	731 else
2b1d61781d63 Implement the intention of SF patch 472523 (but coded differently). Guido van Rossum <guido@python.org> parents: 23542 diff changeset	732 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	733 }
23598 2b1d61781d63 Implement the intention of SF patch 472523 (but coded differently). Guido van Rossum <guido@python.org> parents: 23542 diff changeset	734 /* 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	735 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	736 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	737 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	738 __cmp__ returns NotImplemented
2b1d61781d63 Implement the intention of SF patch 472523 (but coded differently). Guido van Rossum <guido@python.org> parents: 23542 diff changeset	739 */
15941 5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	740 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	741 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	742 return c;
15941 5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	743 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	744 if (c < 2)
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	745 return c;
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	746 return default_3way_compare(v, w);
2124 36847b8b575d properly implement cmp() for class instances Guido van Rossum <guido@python.org> parents: 2113 diff changeset	747 }
36847b8b575d properly implement cmp() for class instances Guido van Rossum <guido@python.org> parents: 2113 diff changeset	748
20863 d6ff1daae398 No code change -- just trying to document the return conditions for all Tim Peters <tim.peters@gmail.com> parents: 20612 diff changeset	749 /* 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	750 -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	751 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	752 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	753 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	754 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	755 */
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	756 int
13473 31b1f691a7d9 ANSI-fication of the sources. Fred Drake <fdrake@acm.org> parents: 13447 diff changeset	757 PyObject_Compare(PyObject v, PyObject w)
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	758 {
12406 ec6b6ca5d111 Fix PR#7 comparisons of recursive objects Jeremy Hylton <jeremy@alum.mit.edu> parents: 12327 diff changeset	759 int result;
ec6b6ca5d111 Fix PR#7 comparisons of recursive objects Jeremy Hylton <jeremy@alum.mit.edu> parents: 12327 diff changeset	760
5610 10e9cfa010f0 PyObject_Compare can raise an exception now. Guido van Rossum <guido@python.org> parents: 5560 diff changeset	761 if (v == NULL \|\| w == NULL) {
10e9cfa010f0 PyObject_Compare can raise an exception now. Guido van Rossum <guido@python.org> parents: 5560 diff changeset	762 PyErr_BadInternalCall();
10e9cfa010f0 PyObject_Compare can raise an exception now. Guido van Rossum <guido@python.org> parents: 5560 diff changeset	763 return -1;
10e9cfa010f0 PyObject_Compare can raise an exception now. Guido van Rossum <guido@python.org> parents: 5560 diff changeset	764 }
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	765 if (v == w)
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	766 return 0;
30801 c42c40034536 Deleting cyclic object comparison. Armin Rigo <arigo@tunes.org> parents: 30159 diff changeset	767 if (Py_EnterRecursiveCall(" in cmp"))
c42c40034536 Deleting cyclic object comparison. Armin Rigo <arigo@tunes.org> parents: 30159 diff changeset	768 return -1;
c42c40034536 Deleting cyclic object comparison. Armin Rigo <arigo@tunes.org> parents: 30159 diff changeset	769 result = do_cmp(v, w);
c42c40034536 Deleting cyclic object comparison. Armin Rigo <arigo@tunes.org> parents: 30159 diff changeset	770 Py_LeaveRecursiveCall();
15941 5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	771 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	772 }
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	773
20863 d6ff1daae398 No code change -- just trying to document the return conditions for all Tim Peters <tim.peters@gmail.com> parents: 20612 diff changeset	774 /* 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	775 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	776 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	777 {
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	778 PyObject *result;
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	779 switch (op) {
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	780 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	781 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	782 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	783 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	784 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	785 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	786 }
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	787 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	788 Py_INCREF(result);
12406 ec6b6ca5d111 Fix PR#7 comparisons of recursive objects Jeremy Hylton <jeremy@alum.mit.edu> parents: 12327 diff changeset	789 return result;
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	790 }
24122 d332484e394a Trashcan cleanup: Now that cyclic gc is always there, the trashcan Tim Peters <tim.peters@gmail.com> parents: 24121 diff changeset	791
20863 d6ff1daae398 No code change -- just trying to document the return conditions for all Tim Peters <tim.peters@gmail.com> parents: 20612 diff changeset	792 /* 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	793 Return
d6ff1daae398 No code change -- just trying to document the return conditions for all Tim Peters <tim.peters@gmail.com> parents: 20612 diff changeset	794 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	795 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	796 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	797 */
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	798 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	799 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	800 {
bbac2a6a5d16 Patch #424475: Speed-up tp_compare usage, by special-casing the common Martin v. Löwis <martin@v.loewis.de> parents: 17781 diff changeset	801 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	802
bbac2a6a5d16 Patch #424475: Speed-up tp_compare usage, by special-casing the common Martin v. Löwis <martin@v.loewis.de> parents: 17781 diff changeset	803 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	804 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	805 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	806 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	807 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	808 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	809 }
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	810
20863 d6ff1daae398 No code change -- just trying to document the return conditions for all Tim Peters <tim.peters@gmail.com> parents: 20612 diff changeset	811 /* 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	812 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	813 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	814 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	815 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	816 */
16079 c4355905b044 Remove a smelly export. Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 16062 diff changeset	817 static PyObject *
15941 5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	818 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	819 {
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	820 PyObject *res;
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	821
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	822 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	823 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	824 return res;
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	825 Py_DECREF(res);
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	826
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	827 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	828 }
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	829
20863 d6ff1daae398 No code change -- just trying to document the return conditions for all Tim Peters <tim.peters@gmail.com> parents: 20612 diff changeset	830 /* Return:
d6ff1daae398 No code change -- just trying to document the return conditions for all Tim Peters <tim.peters@gmail.com> parents: 20612 diff changeset	831 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	832 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	833 (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	834 */
15941 5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	835 PyObject *
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	836 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	837 {
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	838 PyObject *res;
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	839
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	840 assert(Py_LT <= op && op <= Py_GE);
30801 c42c40034536 Deleting cyclic object comparison. Armin Rigo <arigo@tunes.org> parents: 30159 diff changeset	841 if (Py_EnterRecursiveCall(" in cmp"))
c42c40034536 Deleting cyclic object comparison. Armin Rigo <arigo@tunes.org> parents: 30159 diff changeset	842 return NULL;
15941 5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	843
30801 c42c40034536 Deleting cyclic object comparison. Armin Rigo <arigo@tunes.org> parents: 30159 diff changeset	844 /* 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	845 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	846 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	847 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	848 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	849 /* 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	850 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	851 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	852 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	853 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	854 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	855 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	856 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	857 }
f54828eb8e07 Rehabilitated the fast-path richcmp code, and sped it up. It wasn't Tim Peters <tim.peters@gmail.com> parents: 20863 diff changeset	858 /* 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	859 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	860 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	861 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	862 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	863 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	864 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	865 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	866 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	867 }
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 = 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	869 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	870 }
15962 f1751abf771f Deal properly (?) with comparing recursive datastructures. Guido van Rossum <guido@python.org> parents: 15952 diff changeset	871 }
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	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 /* 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	874 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	875 Done:
30801 c42c40034536 Deleting cyclic object comparison. Armin Rigo <arigo@tunes.org> parents: 30159 diff changeset	876 Py_LeaveRecursiveCall();
15941 5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	877 return res;
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	878 }
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	879
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	880 /* 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	881 int
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	882 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	883 {
31736 6fcbf6ac699a Add identity shortcut to PyObject_RichCompareBool. Raymond Hettinger <python@rcn.com> parents: 31433 diff changeset	884 PyObject *res;
15941 5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	885 int ok;
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	886
31736 6fcbf6ac699a Add identity shortcut to PyObject_RichCompareBool. Raymond Hettinger <python@rcn.com> parents: 31433 diff changeset	887 /* Quick result when objects are the same.
6fcbf6ac699a Add identity shortcut to PyObject_RichCompareBool. Raymond Hettinger <python@rcn.com> parents: 31433 diff changeset	888 Guarantees that identity implies equality. */
6fcbf6ac699a Add identity shortcut to PyObject_RichCompareBool. Raymond Hettinger <python@rcn.com> parents: 31433 diff changeset	889 if (v == w) {
6fcbf6ac699a Add identity shortcut to PyObject_RichCompareBool. Raymond Hettinger <python@rcn.com> parents: 31433 diff changeset	890 if (op == Py_EQ)
6fcbf6ac699a Add identity shortcut to PyObject_RichCompareBool. Raymond Hettinger <python@rcn.com> parents: 31433 diff changeset	891 return 1;
6fcbf6ac699a Add identity shortcut to PyObject_RichCompareBool. Raymond Hettinger <python@rcn.com> parents: 31433 diff changeset	892 else if (op == Py_NE)
6fcbf6ac699a Add identity shortcut to PyObject_RichCompareBool. Raymond Hettinger <python@rcn.com> parents: 31433 diff changeset	893 return 0;
6fcbf6ac699a Add identity shortcut to PyObject_RichCompareBool. Raymond Hettinger <python@rcn.com> parents: 31433 diff changeset	894 }
6fcbf6ac699a Add identity shortcut to PyObject_RichCompareBool. Raymond Hettinger <python@rcn.com> parents: 31433 diff changeset	895
6fcbf6ac699a Add identity shortcut to PyObject_RichCompareBool. Raymond Hettinger <python@rcn.com> parents: 31433 diff changeset	896 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	897 if (res == NULL)
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	898 return -1;
25013 68627e0acd15 Speedup for PyObject_RichCompareBool(): PyObject_RichCompare() almost Guido van Rossum <guido@python.org> parents: 24897 diff changeset	899 if (PyBool_Check(res))
68627e0acd15 Speedup for PyObject_RichCompareBool(): PyObject_RichCompare() almost Guido van Rossum <guido@python.org> parents: 24897 diff changeset	900 ok = (res == Py_True);
68627e0acd15 Speedup for PyObject_RichCompareBool(): PyObject_RichCompare() almost Guido van Rossum <guido@python.org> parents: 24897 diff changeset	901 else
68627e0acd15 Speedup for PyObject_RichCompareBool(): PyObject_RichCompare() almost Guido van Rossum <guido@python.org> parents: 24897 diff changeset	902 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	903 Py_DECREF(res);
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	904 return ok;
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	905 }
13141 cca84745da3e This patch addresses two main issues: (1) There exist some non-fatal Fred Drake <fdrake@acm.org> parents: 13089 diff changeset	906
cca84745da3e This patch addresses two main issues: (1) There exist some non-fatal Fred Drake <fdrake@acm.org> parents: 13089 diff changeset	907 /* 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	908 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	909
cca84745da3e This patch addresses two main issues: (1) There exist some non-fatal Fred Drake <fdrake@acm.org> parents: 13089 diff changeset	910 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	911 */
cca84745da3e This patch addresses two main issues: (1) There exist some non-fatal Fred Drake <fdrake@acm.org> parents: 13089 diff changeset	912
cca84745da3e This patch addresses two main issues: (1) There exist some non-fatal Fred Drake <fdrake@acm.org> parents: 13089 diff changeset	913 long
13473 31b1f691a7d9 ANSI-fication of the sources. Fred Drake <fdrake@acm.org> parents: 13447 diff changeset	914 _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	915 {
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	916 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	917 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	918 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	919 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	920 /* 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	921 * 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	922 * 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	923 */
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	924
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	925 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	926 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	927 /* 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	928 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	929 /* 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	930 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	931 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	932 /* 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	933 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	934 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	935 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	936 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	937 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	938 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	939 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	940 }
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 /* 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	942 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	943 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	944 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	945 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	946 }
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 /* 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	948 * 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	949 * 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	950 * 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	951 * 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	952 * 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	953 * 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	954 * 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	955 * 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	956 * 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	957 * 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	958 */
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	959 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	960 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	961 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	962 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	963 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	964 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	965 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	966 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	967 }
cca84745da3e This patch addresses two main issues: (1) There exist some non-fatal Fred Drake <fdrake@acm.org> parents: 13089 diff changeset	968
cca84745da3e This patch addresses two main issues: (1) There exist some non-fatal Fred Drake <fdrake@acm.org> parents: 13089 diff changeset	969 long
13473 31b1f691a7d9 ANSI-fication of the sources. Fred Drake <fdrake@acm.org> parents: 13447 diff changeset	970 _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	971 {
cca84745da3e This patch addresses two main issues: (1) There exist some non-fatal Fred Drake <fdrake@acm.org> parents: 13089 diff changeset	972 #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	973 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	974 #else
cca84745da3e This patch addresses two main issues: (1) There exist some non-fatal Fred Drake <fdrake@acm.org> parents: 13089 diff changeset	975 /* 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	976 PyObject* longobj;
cca84745da3e This patch addresses two main issues: (1) There exist some non-fatal Fred Drake <fdrake@acm.org> parents: 13089 diff changeset	977 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	978
13141 cca84745da3e This patch addresses two main issues: (1) There exist some non-fatal Fred Drake <fdrake@acm.org> parents: 13089 diff changeset	979 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	980 x = -1;
cca84745da3e This patch addresses two main issues: (1) There exist some non-fatal Fred Drake <fdrake@acm.org> parents: 13089 diff changeset	981 goto finally;
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 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	984
13141 cca84745da3e This patch addresses two main issues: (1) There exist some non-fatal Fred Drake <fdrake@acm.org> parents: 13089 diff changeset	985 finally:
cca84745da3e This patch addresses two main issues: (1) There exist some non-fatal Fred Drake <fdrake@acm.org> parents: 13089 diff changeset	986 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	987 return x;
cca84745da3e This patch addresses two main issues: (1) There exist some non-fatal Fred Drake <fdrake@acm.org> parents: 13089 diff changeset	988 #endif
cca84745da3e This patch addresses two main issues: (1) There exist some non-fatal Fred Drake <fdrake@acm.org> parents: 13089 diff changeset	989 }
cca84745da3e This patch addresses two main issues: (1) There exist some non-fatal Fred Drake <fdrake@acm.org> parents: 13089 diff changeset	990
cca84745da3e This patch addresses two main issues: (1) There exist some non-fatal Fred Drake <fdrake@acm.org> parents: 13089 diff changeset	991
1257 1cabc2b6c970 * Changed all copyright messages to include 1993. Guido van Rossum <guido@python.org> parents: 1051 diff changeset	992 long
13473 31b1f691a7d9 ANSI-fication of the sources. Fred Drake <fdrake@acm.org> parents: 13447 diff changeset	993 PyObject_Hash(PyObject *v)
1257 1cabc2b6c970 * Changed all copyright messages to include 1993. Guido van Rossum <guido@python.org> parents: 1051 diff changeset	994 {
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5006 diff changeset	995 PyTypeObject *tp = v->ob_type;
1257 1cabc2b6c970 * Changed all copyright messages to include 1993. Guido van Rossum <guido@python.org> parents: 1051 diff changeset	996 if (tp->tp_hash != NULL)
1cabc2b6c970 * Changed all copyright messages to include 1993. Guido van Rossum <guido@python.org> parents: 1051 diff changeset	997 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	998 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	999 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	1000 }
1257 1cabc2b6c970 * Changed all copyright messages to include 1993. Guido van Rossum <guido@python.org> parents: 1051 diff changeset	1001 /* 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	1002 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	1003 return -1;
1cabc2b6c970 * Changed all copyright messages to include 1993. Guido van Rossum <guido@python.org> parents: 1051 diff changeset	1004 }
1cabc2b6c970 * Changed all copyright messages to include 1993. Guido van Rossum <guido@python.org> parents: 1051 diff changeset	1005
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5006 diff changeset	1006 PyObject *
13473 31b1f691a7d9 ANSI-fication of the sources. Fred Drake <fdrake@acm.org> parents: 13447 diff changeset	1007 PyObject_GetAttrString(PyObject v, char name)
86 a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: 58 diff changeset	1008 {
18933 09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1009 PyObject w, res;
3986 9c2cbf306864 Support for tp_getattro, tp_setattro (Sjoerd) Guido van Rossum <guido@python.org> parents: 3770 diff changeset	1010
18933 09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1011 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	1012 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	1013 w = PyString_InternFromString(name);
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1014 if (w == NULL)
86 a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: 58 diff changeset	1015 return NULL;
18933 09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1016 res = PyObject_GetAttr(v, w);
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1017 Py_XDECREF(w);
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1018 return res;
86 a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: 58 diff changeset	1019 }
a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: 58 diff changeset	1020
a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: 58 diff changeset	1021 int
13473 31b1f691a7d9 ANSI-fication of the sources. Fred Drake <fdrake@acm.org> parents: 13447 diff changeset	1022 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	1023 {
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5006 diff changeset	1024 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	1025 if (res != NULL) {
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5006 diff changeset	1026 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	1027 return 1;
716be765a79b * accessobject.c (ownercheck): allow a base class access to protected Guido van Rossum <guido@python.org> parents: 1282 diff changeset	1028 }
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5006 diff changeset	1029 PyErr_Clear();
1324 716be765a79b * accessobject.c (ownercheck): allow a base class access to protected Guido van Rossum <guido@python.org> parents: 1282 diff changeset	1030 return 0;
716be765a79b * accessobject.c (ownercheck): allow a base class access to protected Guido van Rossum <guido@python.org> parents: 1282 diff changeset	1031 }
716be765a79b * accessobject.c (ownercheck): allow a base class access to protected Guido van Rossum <guido@python.org> parents: 1282 diff changeset	1032
716be765a79b * accessobject.c (ownercheck): allow a base class access to protected Guido van Rossum <guido@python.org> parents: 1282 diff changeset	1033 int
13473 31b1f691a7d9 ANSI-fication of the sources. Fred Drake <fdrake@acm.org> parents: 13447 diff changeset	1034 PyObject_SetAttrString(PyObject v, char name, PyObject *w)
86 a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: 58 diff changeset	1035 {
18933 09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1036 PyObject *s;
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1037 int res;
3986 9c2cbf306864 Support for tp_getattro, tp_setattro (Sjoerd) Guido van Rossum <guido@python.org> parents: 3770 diff changeset	1038
18933 09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1039 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	1040 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	1041 s = PyString_InternFromString(name);
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1042 if (s == NULL)
95 a5bf7d5959ce Return -1 for errors. Guido van Rossum <guido@python.org> parents: 86 diff changeset	1043 return -1;
18933 09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1044 res = PyObject_SetAttr(v, s, w);
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1045 Py_XDECREF(s);
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1046 return res;
86 a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: 58 diff changeset	1047 }
a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: 58 diff changeset	1048
5560 8ec298b255a2 Moved PyObject_{Get,Set}Attr here (from dictobject) and add PyObject_HasAttr. Guido van Rossum <guido@python.org> parents: 5535 diff changeset	1049 PyObject *
13473 31b1f691a7d9 ANSI-fication of the sources. Fred Drake <fdrake@acm.org> parents: 13447 diff changeset	1050 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	1051 {
18933 09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1052 PyTypeObject *tp = v->ob_type;
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1053
22302 a0cc52735e6e Patch #517521: Consider byte strings before Unicode strings Martin v. Löwis <martin@v.loewis.de> parents: 22112 diff changeset	1054 if (!PyString_Check(name)) {
19343 7257e87e0720 Patch #445762: Support --disable-unicode Martin v. Löwis <martin@v.loewis.de> parents: 19294 diff changeset	1055 #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	1056 /* 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	1057 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	1058 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	1059 if (PyUnicode_Check(name)) {
a0cc52735e6e Patch #517521: Consider byte strings before Unicode strings Martin v. Löwis <martin@v.loewis.de> parents: 22112 diff changeset	1060 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	1061 if (name == NULL)
a0cc52735e6e Patch #517521: Consider byte strings before Unicode strings Martin v. Löwis <martin@v.loewis.de> parents: 22112 diff changeset	1062 return NULL;
a0cc52735e6e Patch #517521: Consider byte strings before Unicode strings Martin v. Löwis <martin@v.loewis.de> parents: 22112 diff changeset	1063 }
a0cc52735e6e Patch #517521: Consider byte strings before Unicode strings Martin v. Löwis <martin@v.loewis.de> parents: 22112 diff changeset	1064 else
a0cc52735e6e Patch #517521: Consider byte strings before Unicode strings Martin v. Löwis <martin@v.loewis.de> parents: 22112 diff changeset	1065 #endif
a0cc52735e6e Patch #517521: Consider byte strings before Unicode strings Martin v. Löwis <martin@v.loewis.de> parents: 22112 diff changeset	1066 {
a0cc52735e6e Patch #517521: Consider byte strings before Unicode strings Martin v. Löwis <martin@v.loewis.de> parents: 22112 diff changeset	1067 PyErr_SetString(PyExc_TypeError,
a0cc52735e6e Patch #517521: Consider byte strings before Unicode strings Martin v. Löwis <martin@v.loewis.de> parents: 22112 diff changeset	1068 "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	1069 return NULL;
22302 a0cc52735e6e Patch #517521: Consider byte strings before Unicode strings Martin v. Löwis <martin@v.loewis.de> parents: 22112 diff changeset	1070 }
12991 1a40f00a48bf raise TypeError when PyObject_Get/SetAttr called with non-string name Jeremy Hylton <jeremy@alum.mit.edu> parents: 12904 diff changeset	1071 }
18933 09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1072 if (tp->tp_getattro != NULL)
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1073 return (*tp->tp_getattro)(v, name);
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1074 if (tp->tp_getattr != NULL)
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1075 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	1076 PyErr_Format(PyExc_AttributeError,
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1077 "'%.50s' object has no attribute '%.400s'",
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1078 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	1079 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	1080 }
8ec298b255a2 Moved PyObject_{Get,Set}Attr here (from dictobject) and add PyObject_HasAttr. Guido van Rossum <guido@python.org> parents: 5535 diff changeset	1081
8ec298b255a2 Moved PyObject_{Get,Set}Attr here (from dictobject) and add PyObject_HasAttr. Guido van Rossum <guido@python.org> parents: 5535 diff changeset	1082 int
13473 31b1f691a7d9 ANSI-fication of the sources. Fred Drake <fdrake@acm.org> parents: 13447 diff changeset	1083 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	1084 {
8ec298b255a2 Moved PyObject_{Get,Set}Attr here (from dictobject) and add PyObject_HasAttr. Guido van Rossum <guido@python.org> parents: 5535 diff changeset	1085 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	1086 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	1087 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	1088 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	1089 }
8ec298b255a2 Moved PyObject_{Get,Set}Attr here (from dictobject) and add PyObject_HasAttr. Guido van Rossum <guido@python.org> parents: 5535 diff changeset	1090 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	1091 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	1092 }
8ec298b255a2 Moved PyObject_{Get,Set}Attr here (from dictobject) and add PyObject_HasAttr. Guido van Rossum <guido@python.org> parents: 5535 diff changeset	1093
8ec298b255a2 Moved PyObject_{Get,Set}Attr here (from dictobject) and add PyObject_HasAttr. Guido van Rossum <guido@python.org> parents: 5535 diff changeset	1094 int
13473 31b1f691a7d9 ANSI-fication of the sources. Fred Drake <fdrake@acm.org> parents: 13447 diff changeset	1095 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	1096 {
18933 09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1097 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	1098 int err;
14660 983502b2cd43 PyObject_SetAttr() and PyObject_GetAttr() now also accept Unicode Marc-André Lemburg <mal@egenix.com> parents: 14375 diff changeset	1099
22302 a0cc52735e6e Patch #517521: Consider byte strings before Unicode strings Martin v. Löwis <martin@v.loewis.de> parents: 22112 diff changeset	1100 if (!PyString_Check(name)){
19343 7257e87e0720 Patch #445762: Support --disable-unicode Martin v. Löwis <martin@v.loewis.de> parents: 19294 diff changeset	1101 #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	1102 /* 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	1103 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	1104 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	1105 if (PyUnicode_Check(name)) {
a0cc52735e6e Patch #517521: Consider byte strings before Unicode strings Martin v. Löwis <martin@v.loewis.de> parents: 22112 diff changeset	1106 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	1107 if (name == NULL)
a0cc52735e6e Patch #517521: Consider byte strings before Unicode strings Martin v. Löwis <martin@v.loewis.de> parents: 22112 diff changeset	1108 return -1;
a0cc52735e6e Patch #517521: Consider byte strings before Unicode strings Martin v. Löwis <martin@v.loewis.de> parents: 22112 diff changeset	1109 }
24122 d332484e394a Trashcan cleanup: Now that cyclic gc is always there, the trashcan Tim Peters <tim.peters@gmail.com> parents: 24121 diff changeset	1110 else
22302 a0cc52735e6e Patch #517521: Consider byte strings before Unicode strings Martin v. Löwis <martin@v.loewis.de> parents: 22112 diff changeset	1111 #endif
a0cc52735e6e Patch #517521: Consider byte strings before Unicode strings Martin v. Löwis <martin@v.loewis.de> parents: 22112 diff changeset	1112 {
a0cc52735e6e Patch #517521: Consider byte strings before Unicode strings Martin v. Löwis <martin@v.loewis.de> parents: 22112 diff changeset	1113 PyErr_SetString(PyExc_TypeError,
a0cc52735e6e Patch #517521: Consider byte strings before Unicode strings Martin v. Löwis <martin@v.loewis.de> parents: 22112 diff changeset	1114 "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	1115 return -1;
22302 a0cc52735e6e Patch #517521: Consider byte strings before Unicode strings Martin v. Löwis <martin@v.loewis.de> parents: 22112 diff changeset	1116 }
18933 09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1117 }
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1118 else
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1119 Py_INCREF(name);
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1120
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1121 PyString_InternInPlace(&name);
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1122 if (tp->tp_setattro != NULL) {
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1123 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	1124 Py_DECREF(name);
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1125 return err;
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1126 }
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1127 if (tp->tp_setattr != NULL) {
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1128 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	1129 Py_DECREF(name);
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1130 return err;
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1131 }
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1132 Py_DECREF(name);
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1133 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	1134 PyErr_Format(PyExc_TypeError,
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1135 "'%.100s' object has no attributes "
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1136 "(%s .%.100s)",
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1137 tp->tp_name,
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1138 value==NULL ? "del" : "assign to",
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1139 PyString_AS_STRING(name));
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1140 else
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1141 PyErr_Format(PyExc_TypeError,
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1142 "'%.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	1143 "(%s .%.100s)",
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1144 tp->tp_name,
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1145 value==NULL ? "del" : "assign to",
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1146 PyString_AS_STRING(name));
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1147 return -1;
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1148 }
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1149
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1150 /* 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	1151
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1152 PyObject **
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1153 _PyObject_GetDictPtr(PyObject *obj)
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1154 {
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1155 long dictoffset;
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1156 PyTypeObject *tp = obj->ob_type;
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1157
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1158 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	1159 return NULL;
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1160 dictoffset = tp->tp_dictoffset;
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1161 if (dictoffset == 0)
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1162 return NULL;
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1163 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	1164 int tsize;
93eb4b61f687 SF patch 514641 (Naofumi Honda) - Negative ob_size of LongObjects Guido van Rossum <guido@python.org> parents: 21186 diff changeset	1165 size_t size;
93eb4b61f687 SF patch 514641 (Naofumi Honda) - Negative ob_size of LongObjects Guido van Rossum <guido@python.org> parents: 21186 diff changeset	1166
93eb4b61f687 SF patch 514641 (Naofumi Honda) - Negative ob_size of LongObjects Guido van Rossum <guido@python.org> parents: 21186 diff changeset	1167 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	1168 if (tsize < 0)
93eb4b61f687 SF patch 514641 (Naofumi Honda) - Negative ob_size of LongObjects Guido van Rossum <guido@python.org> parents: 21186 diff changeset	1169 tsize = -tsize;
93eb4b61f687 SF patch 514641 (Naofumi Honda) - Negative ob_size of LongObjects Guido van Rossum <guido@python.org> parents: 21186 diff changeset	1170 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	1171
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	1172 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	1173 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	1174 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	1175 }
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1176 return (PyObject *) ((char )obj + dictoffset);
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1177 }
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1178
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1179 /* Generic GetAttr functions - put these in your tp_[gs]etattro slot */
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1180
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1181 PyObject *
28320 fd5ef7003469 Renamed PyObject_GenericGetIter to PyObject_SelfIter Raymond Hettinger <python@rcn.com> parents: 28308 diff changeset	1182 PyObject_SelfIter(PyObject *obj)
28308 9c3572a5575f Created PyObject_GenericGetIter(). Raymond Hettinger <python@rcn.com> parents: 27966 diff changeset	1183 {
9c3572a5575f Created PyObject_GenericGetIter(). Raymond Hettinger <python@rcn.com> parents: 27966 diff changeset	1184 Py_INCREF(obj);
9c3572a5575f Created PyObject_GenericGetIter(). Raymond Hettinger <python@rcn.com> parents: 27966 diff changeset	1185 return obj;
9c3572a5575f Created PyObject_GenericGetIter(). Raymond Hettinger <python@rcn.com> parents: 27966 diff changeset	1186 }
9c3572a5575f Created PyObject_GenericGetIter(). Raymond Hettinger <python@rcn.com> parents: 27966 diff changeset	1187
9c3572a5575f Created PyObject_GenericGetIter(). Raymond Hettinger <python@rcn.com> parents: 27966 diff changeset	1188 PyObject *
18933 09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1189 PyObject_GenericGetAttr(PyObject obj, PyObject name)
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 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	1192 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	1193 PyObject *res = NULL;
18933 09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1194 descrgetfunc f;
24894 8862bc59685a Inline call to _PyObject_GetDictPtr() in PyObject_GenericGetAttr(). Guido van Rossum <guido@python.org> parents: 24644 diff changeset	1195 long dictoffset;
18933 09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1196 PyObject **dictptr;
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1197
22302 a0cc52735e6e Patch #517521: Consider byte strings before Unicode strings Martin v. Löwis <martin@v.loewis.de> parents: 22112 diff changeset	1198 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	1199 #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	1200 /* 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	1201 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	1202 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	1203 if (PyUnicode_Check(name)) {
a0cc52735e6e Patch #517521: Consider byte strings before Unicode strings Martin v. Löwis <martin@v.loewis.de> parents: 22112 diff changeset	1204 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	1205 if (name == NULL)
a0cc52735e6e Patch #517521: Consider byte strings before Unicode strings Martin v. Löwis <martin@v.loewis.de> parents: 22112 diff changeset	1206 return NULL;
a0cc52735e6e Patch #517521: Consider byte strings before Unicode strings Martin v. Löwis <martin@v.loewis.de> parents: 22112 diff changeset	1207 }
24122 d332484e394a Trashcan cleanup: Now that cyclic gc is always there, the trashcan Tim Peters <tim.peters@gmail.com> parents: 24121 diff changeset	1208 else
22302 a0cc52735e6e Patch #517521: Consider byte strings before Unicode strings Martin v. Löwis <martin@v.loewis.de> parents: 22112 diff changeset	1209 #endif
a0cc52735e6e Patch #517521: Consider byte strings before Unicode strings Martin v. Löwis <martin@v.loewis.de> parents: 22112 diff changeset	1210 {
a0cc52735e6e Patch #517521: Consider byte strings before Unicode strings Martin v. Löwis <martin@v.loewis.de> parents: 22112 diff changeset	1211 PyErr_SetString(PyExc_TypeError,
a0cc52735e6e Patch #517521: Consider byte strings before Unicode strings Martin v. Löwis <martin@v.loewis.de> parents: 22112 diff changeset	1212 "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	1213 return NULL;
22302 a0cc52735e6e Patch #517521: Consider byte strings before Unicode strings Martin v. Löwis <martin@v.loewis.de> parents: 22112 diff changeset	1214 }
21186 0189186f4ed9 PyObject_Generic{Get,Set}Attr(): ensure that the attribute name is a Guido van Rossum <guido@python.org> parents: 20865 diff changeset	1215 }
0189186f4ed9 PyObject_Generic{Get,Set}Attr(): ensure that the attribute name is a Guido van Rossum <guido@python.org> parents: 20865 diff changeset	1216 else
0189186f4ed9 PyObject_Generic{Get,Set}Attr(): ensure that the attribute name is a Guido van Rossum <guido@python.org> parents: 20865 diff changeset	1217 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	1218
18933 09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1219 if (tp->tp_dict == NULL) {
19040 4df72ea78ae8 - Rename PyType_InitDict() to PyType_Ready(). Guido van Rossum <guido@python.org> parents: 18933 diff changeset	1220 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	1221 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	1222 }
18933 09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1223
24897 6310a4a21eb8 Another modest speedup in PyObject_GenericGetAttr(): inline the call Guido van Rossum <guido@python.org> parents: 24894 diff changeset	1224 /* Inline _PyType_Lookup */
6310a4a21eb8 Another modest speedup in PyObject_GenericGetAttr(): inline the call Guido van Rossum <guido@python.org> parents: 24894 diff changeset	1225 {
6310a4a21eb8 Another modest speedup in PyObject_GenericGetAttr(): inline the call Guido van Rossum <guido@python.org> parents: 24894 diff changeset	1226 int i, n;
6310a4a21eb8 Another modest speedup in PyObject_GenericGetAttr(): inline the call Guido van Rossum <guido@python.org> parents: 24894 diff changeset	1227 PyObject mro, base, *dict;
6310a4a21eb8 Another modest speedup in PyObject_GenericGetAttr(): inline the call Guido van Rossum <guido@python.org> parents: 24894 diff changeset	1228
6310a4a21eb8 Another modest speedup in PyObject_GenericGetAttr(): inline the call Guido van Rossum <guido@python.org> parents: 24894 diff changeset	1229 /* 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	1230 mro = tp->tp_mro;
6310a4a21eb8 Another modest speedup in PyObject_GenericGetAttr(): inline the call Guido van Rossum <guido@python.org> parents: 24894 diff changeset	1231 assert(mro != NULL);
6310a4a21eb8 Another modest speedup in PyObject_GenericGetAttr(): inline the call Guido van Rossum <guido@python.org> parents: 24894 diff changeset	1232 assert(PyTuple_Check(mro));
6310a4a21eb8 Another modest speedup in PyObject_GenericGetAttr(): inline the call Guido van Rossum <guido@python.org> parents: 24894 diff changeset	1233 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	1234 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	1235 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	1236 if (PyClass_Check(base))
6310a4a21eb8 Another modest speedup in PyObject_GenericGetAttr(): inline the call Guido van Rossum <guido@python.org> parents: 24894 diff changeset	1237 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	1238 else {
6310a4a21eb8 Another modest speedup in PyObject_GenericGetAttr(): inline the call Guido van Rossum <guido@python.org> parents: 24894 diff changeset	1239 assert(PyType_Check(base));
6310a4a21eb8 Another modest speedup in PyObject_GenericGetAttr(): inline the call Guido van Rossum <guido@python.org> parents: 24894 diff changeset	1240 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	1241 }
6310a4a21eb8 Another modest speedup in PyObject_GenericGetAttr(): inline the call Guido van Rossum <guido@python.org> parents: 24894 diff changeset	1242 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	1243 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	1244 if (descr != NULL)
6310a4a21eb8 Another modest speedup in PyObject_GenericGetAttr(): inline the call Guido van Rossum <guido@python.org> parents: 24894 diff changeset	1245 break;
6310a4a21eb8 Another modest speedup in PyObject_GenericGetAttr(): inline the call Guido van Rossum <guido@python.org> parents: 24894 diff changeset	1246 }
6310a4a21eb8 Another modest speedup in PyObject_GenericGetAttr(): inline the call Guido van Rossum <guido@python.org> parents: 24894 diff changeset	1247 }
6310a4a21eb8 Another modest speedup in PyObject_GenericGetAttr(): inline the call Guido van Rossum <guido@python.org> parents: 24894 diff changeset	1248
30159 941d49a65f06 Fix for Michael W. Hudson <mwh@python.net> parents: 28669 diff changeset	1249 Py_XINCREF(descr);
941d49a65f06 Fix for Michael W. Hudson <mwh@python.net> parents: 28669 diff changeset	1250
18933 09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1251 f = NULL;
27966 b28d4fde9e9f PyObject_Generic{Get,Set}Attr: Guido van Rossum <guido@python.org> parents: 27938 diff changeset	1252 if (descr != NULL &&
b28d4fde9e9f PyObject_Generic{Get,Set}Attr: Guido van Rossum <guido@python.org> parents: 27938 diff changeset	1253 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	1254 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	1255 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	1256 res = f(descr, obj, (PyObject *)obj->ob_type);
30159 941d49a65f06 Fix for Michael W. Hudson <mwh@python.net> parents: 28669 diff changeset	1257 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	1258 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	1259 }
18933 09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1260 }
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1261
24894 8862bc59685a Inline call to _PyObject_GetDictPtr() in PyObject_GenericGetAttr(). Guido van Rossum <guido@python.org> parents: 24644 diff changeset	1262 /* Inline _PyObject_GetDictPtr */
8862bc59685a Inline call to _PyObject_GetDictPtr() in PyObject_GenericGetAttr(). Guido van Rossum <guido@python.org> parents: 24644 diff changeset	1263 dictoffset = tp->tp_dictoffset;
8862bc59685a Inline call to _PyObject_GetDictPtr() in PyObject_GenericGetAttr(). Guido van Rossum <guido@python.org> parents: 24644 diff changeset	1264 if (dictoffset != 0) {
8862bc59685a Inline call to _PyObject_GetDictPtr() in PyObject_GenericGetAttr(). Guido van Rossum <guido@python.org> parents: 24644 diff changeset	1265 PyObject *dict;
8862bc59685a Inline call to _PyObject_GetDictPtr() in PyObject_GenericGetAttr(). Guido van Rossum <guido@python.org> parents: 24644 diff changeset	1266 if (dictoffset < 0) {
8862bc59685a Inline call to _PyObject_GetDictPtr() in PyObject_GenericGetAttr(). Guido van Rossum <guido@python.org> parents: 24644 diff changeset	1267 int tsize;
8862bc59685a Inline call to _PyObject_GetDictPtr() in PyObject_GenericGetAttr(). Guido van Rossum <guido@python.org> parents: 24644 diff changeset	1268 size_t size;
8862bc59685a Inline call to _PyObject_GetDictPtr() in PyObject_GenericGetAttr(). Guido van Rossum <guido@python.org> parents: 24644 diff changeset	1269
8862bc59685a Inline call to _PyObject_GetDictPtr() in PyObject_GenericGetAttr(). Guido van Rossum <guido@python.org> parents: 24644 diff changeset	1270 tsize = ((PyVarObject *)obj)->ob_size;
8862bc59685a Inline call to _PyObject_GetDictPtr() in PyObject_GenericGetAttr(). Guido van Rossum <guido@python.org> parents: 24644 diff changeset	1271 if (tsize < 0)
8862bc59685a Inline call to _PyObject_GetDictPtr() in PyObject_GenericGetAttr(). Guido van Rossum <guido@python.org> parents: 24644 diff changeset	1272 tsize = -tsize;
8862bc59685a Inline call to _PyObject_GetDictPtr() in PyObject_GenericGetAttr(). Guido van Rossum <guido@python.org> parents: 24644 diff changeset	1273 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	1274
8862bc59685a Inline call to _PyObject_GetDictPtr() in PyObject_GenericGetAttr(). Guido van Rossum <guido@python.org> parents: 24644 diff changeset	1275 dictoffset += (long)size;
8862bc59685a Inline call to _PyObject_GetDictPtr() in PyObject_GenericGetAttr(). Guido van Rossum <guido@python.org> parents: 24644 diff changeset	1276 assert(dictoffset > 0);
8862bc59685a Inline call to _PyObject_GetDictPtr() in PyObject_GenericGetAttr(). Guido van Rossum <guido@python.org> parents: 24644 diff changeset	1277 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	1278 }
8862bc59685a Inline call to _PyObject_GetDictPtr() in PyObject_GenericGetAttr(). Guido van Rossum <guido@python.org> parents: 24644 diff changeset	1279 dictptr = (PyObject *) ((char )obj + dictoffset);
8862bc59685a Inline call to _PyObject_GetDictPtr() in PyObject_GenericGetAttr(). Guido van Rossum <guido@python.org> parents: 24644 diff changeset	1280 dict = *dictptr;
18933 09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1281 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	1282 res = PyDict_GetItem(dict, name);
18933 09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1283 if (res != NULL) {
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1284 Py_INCREF(res);
30159 941d49a65f06 Fix for Michael W. Hudson <mwh@python.net> parents: 28669 diff changeset	1285 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	1286 goto done;
18933 09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1287 }
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1288 }
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1289 }
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1290
21186 0189186f4ed9 PyObject_Generic{Get,Set}Attr(): ensure that the attribute name is a Guido van Rossum <guido@python.org> parents: 20865 diff changeset	1291 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	1292 res = f(descr, obj, (PyObject *)obj->ob_type);
30159 941d49a65f06 Fix for Michael W. Hudson <mwh@python.net> parents: 28669 diff changeset	1293 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	1294 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	1295 }
18933 09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1296
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1297 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	1298 res = descr;
30159 941d49a65f06 Fix for Michael W. Hudson <mwh@python.net> parents: 28669 diff changeset	1299 /* 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	1300 goto done;
14660 983502b2cd43 PyObject_SetAttr() and PyObject_GetAttr() now also accept Unicode Marc-André Lemburg <mal@egenix.com> parents: 14375 diff changeset	1301 }
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 PyErr_Format(PyExc_AttributeError,
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1304 "'%.50s' object has no attribute '%.400s'",
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1305 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	1306 done:
0189186f4ed9 PyObject_Generic{Get,Set}Attr(): ensure that the attribute name is a Guido van Rossum <guido@python.org> parents: 20865 diff changeset	1307 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	1308 return res;
18933 09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1309 }
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1310
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1311 int
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1312 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	1313 {
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1314 PyTypeObject *tp = obj->ob_type;
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1315 PyObject *descr;
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1316 descrsetfunc f;
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1317 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	1318 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	1319
22302 a0cc52735e6e Patch #517521: Consider byte strings before Unicode strings Martin v. Löwis <martin@v.loewis.de> parents: 22112 diff changeset	1320 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	1321 #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	1322 /* 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	1323 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	1324 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	1325 if (PyUnicode_Check(name)) {
a0cc52735e6e Patch #517521: Consider byte strings before Unicode strings Martin v. Löwis <martin@v.loewis.de> parents: 22112 diff changeset	1326 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	1327 if (name == NULL)
a0cc52735e6e Patch #517521: Consider byte strings before Unicode strings Martin v. Löwis <martin@v.loewis.de> parents: 22112 diff changeset	1328 return -1;
a0cc52735e6e Patch #517521: Consider byte strings before Unicode strings Martin v. Löwis <martin@v.loewis.de> parents: 22112 diff changeset	1329 }
24122 d332484e394a Trashcan cleanup: Now that cyclic gc is always there, the trashcan Tim Peters <tim.peters@gmail.com> parents: 24121 diff changeset	1330 else
22302 a0cc52735e6e Patch #517521: Consider byte strings before Unicode strings Martin v. Löwis <martin@v.loewis.de> parents: 22112 diff changeset	1331 #endif
a0cc52735e6e Patch #517521: Consider byte strings before Unicode strings Martin v. Löwis <martin@v.loewis.de> parents: 22112 diff changeset	1332 {
a0cc52735e6e Patch #517521: Consider byte strings before Unicode strings Martin v. Löwis <martin@v.loewis.de> parents: 22112 diff changeset	1333 PyErr_SetString(PyExc_TypeError,
a0cc52735e6e Patch #517521: Consider byte strings before Unicode strings Martin v. Löwis <martin@v.loewis.de> parents: 22112 diff changeset	1334 "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	1335 return -1;
22302 a0cc52735e6e Patch #517521: Consider byte strings before Unicode strings Martin v. Löwis <martin@v.loewis.de> parents: 22112 diff changeset	1336 }
21186 0189186f4ed9 PyObject_Generic{Get,Set}Attr(): ensure that the attribute name is a Guido van Rossum <guido@python.org> parents: 20865 diff changeset	1337 }
0189186f4ed9 PyObject_Generic{Get,Set}Attr(): ensure that the attribute name is a Guido van Rossum <guido@python.org> parents: 20865 diff changeset	1338 else
0189186f4ed9 PyObject_Generic{Get,Set}Attr(): ensure that the attribute name is a Guido van Rossum <guido@python.org> parents: 20865 diff changeset	1339 Py_INCREF(name);
18933 09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1340
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1341 if (tp->tp_dict == NULL) {
19040 4df72ea78ae8 - Rename PyType_InitDict() to PyType_Ready(). Guido van Rossum <guido@python.org> parents: 18933 diff changeset	1342 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	1343 goto done;
18933 09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1344 }
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1345
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1346 descr = _PyType_Lookup(tp, name);
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1347 f = NULL;
27966 b28d4fde9e9f PyObject_Generic{Get,Set}Attr: Guido van Rossum <guido@python.org> parents: 27938 diff changeset	1348 if (descr != NULL &&
b28d4fde9e9f PyObject_Generic{Get,Set}Attr: Guido van Rossum <guido@python.org> parents: 27938 diff changeset	1349 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	1350 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	1351 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	1352 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	1353 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	1354 }
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
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1357 dictptr = _PyObject_GetDictPtr(obj);
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1358 if (dictptr != NULL) {
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1359 PyObject dict = dictptr;
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1360 if (dict == NULL && value != NULL) {
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1361 dict = PyDict_New();
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1362 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	1363 goto done;
18933 09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1364 *dictptr = dict;
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1365 }
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1366 if (dict != NULL) {
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1367 if (value == NULL)
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1368 res = PyDict_DelItem(dict, name);
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1369 else
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1370 res = PyDict_SetItem(dict, name, value);
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1371 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	1372 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	1373 goto done;
18933 09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1374 }
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1375 }
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1376
21186 0189186f4ed9 PyObject_Generic{Get,Set}Attr(): ensure that the attribute name is a Guido van Rossum <guido@python.org> parents: 20865 diff changeset	1377 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	1378 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	1379 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	1380 }
18933 09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1381
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1382 if (descr == NULL) {
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1383 PyErr_Format(PyExc_AttributeError,
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1384 "'%.50s' object has no attribute '%.400s'",
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1385 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	1386 goto done;
18933 09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1387 }
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1388
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1389 PyErr_Format(PyExc_AttributeError,
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1390 "'%.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	1391 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	1392 done:
0189186f4ed9 PyObject_Generic{Get,Set}Attr(): ensure that the attribute name is a Guido van Rossum <guido@python.org> parents: 20865 diff changeset	1393 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	1394 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	1395 }
8ec298b255a2 Moved PyObject_{Get,Set}Attr here (from dictobject) and add PyObject_HasAttr. Guido van Rossum <guido@python.org> parents: 5535 diff changeset	1396
1282 e0464e7115ca * pythonrun.c: Print exception type+arg after stack trace instead of Guido van Rossum <guido@python.org> parents: 1257 diff changeset	1397 /* 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	1398 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	1399
e0464e7115ca * pythonrun.c: Print exception type+arg after stack trace instead of Guido van Rossum <guido@python.org> parents: 1257 diff changeset	1400 int
13473 31b1f691a7d9 ANSI-fication of the sources. Fred Drake <fdrake@acm.org> parents: 13447 diff changeset	1401 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	1402 {
e0464e7115ca * pythonrun.c: Print exception type+arg after stack trace instead of Guido van Rossum <guido@python.org> parents: 1257 diff changeset	1403 int res;
25015 24e80d96bd0b Speedup for PyObject_IsTrue(): check for True and False first. Guido van Rossum <guido@python.org> parents: 25013 diff changeset	1404 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	1405 return 1;
24e80d96bd0b Speedup for PyObject_IsTrue(): check for True and False first. Guido van Rossum <guido@python.org> parents: 25013 diff changeset	1406 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	1407 return 0;
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5006 diff changeset	1408 if (v == Py_None)
23838 95263ccec819 SF # 561244 Micro optimizations Neal Norwitz <nnorwitz@gmail.com> parents: 23599 diff changeset	1409 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	1410 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	1411 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	1412 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	1413 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	1414 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	1415 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	1416 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	1417 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	1418 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	1419 else
23838 95263ccec819 SF # 561244 Micro optimizations Neal Norwitz <nnorwitz@gmail.com> parents: 23599 diff changeset	1420 return 1;
95263ccec819 SF # 561244 Micro optimizations Neal Norwitz <nnorwitz@gmail.com> parents: 23599 diff changeset	1421 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	1422 }
e0464e7115ca * pythonrun.c: Print exception type+arg after stack trace instead of Guido van Rossum <guido@python.org> parents: 1257 diff changeset	1423
24122 d332484e394a Trashcan cleanup: Now that cyclic gc is always there, the trashcan Tim Peters <tim.peters@gmail.com> parents: 24121 diff changeset	1424 /* equivalent of 'not v'
7935 aa7d69d67c81 Add PyObject_Not(). Guido van Rossum <guido@python.org> parents: 7119 diff changeset	1425 Return -1 if an error occurred */
aa7d69d67c81 Add PyObject_Not(). Guido van Rossum <guido@python.org> parents: 7119 diff changeset	1426
aa7d69d67c81 Add PyObject_Not(). Guido van Rossum <guido@python.org> parents: 7119 diff changeset	1427 int
13473 31b1f691a7d9 ANSI-fication of the sources. Fred Drake <fdrake@acm.org> parents: 13447 diff changeset	1428 PyObject_Not(PyObject *v)
7935 aa7d69d67c81 Add PyObject_Not(). Guido van Rossum <guido@python.org> parents: 7119 diff changeset	1429 {
aa7d69d67c81 Add PyObject_Not(). Guido van Rossum <guido@python.org> parents: 7119 diff changeset	1430 int res;
aa7d69d67c81 Add PyObject_Not(). Guido van Rossum <guido@python.org> parents: 7119 diff changeset	1431 res = PyObject_IsTrue(v);
aa7d69d67c81 Add PyObject_Not(). Guido van Rossum <guido@python.org> parents: 7119 diff changeset	1432 if (res < 0)
aa7d69d67c81 Add PyObject_Not(). Guido van Rossum <guido@python.org> parents: 7119 diff changeset	1433 return res;
aa7d69d67c81 Add PyObject_Not(). Guido van Rossum <guido@python.org> parents: 7119 diff changeset	1434 return res == 0;
aa7d69d67c81 Add PyObject_Not(). Guido van Rossum <guido@python.org> parents: 7119 diff changeset	1435 }
aa7d69d67c81 Add PyObject_Not(). Guido van Rossum <guido@python.org> parents: 7119 diff changeset	1436
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	1437 /* 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	1438 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	1439 Return value:
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	1440 -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	1441 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	1442 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	1443 */
76c860a18d82 move coerce() from bltinmodule.c to object.c and implement builtin_coerce() differently Guido van Rossum <guido@python.org> parents: 2079 diff changeset	1444 int
13473 31b1f691a7d9 ANSI-fication of the sources. Fred Drake <fdrake@acm.org> parents: 13447 diff changeset	1445 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	1446 {
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5006 diff changeset	1447 register PyObject v = pv;
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5006 diff changeset	1448 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	1449 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	1450
23282 a4e75d53d32b PyNumber_CoerceEx: this took a shortcut (not doing anything) when the Guido van Rossum <guido@python.org> parents: 22985 diff changeset	1451 /* 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	1452 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	1453 !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	1454 {
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5006 diff changeset	1455 Py_INCREF(v);
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5006 diff changeset	1456 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	1457 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	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 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	1460 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	1461 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	1462 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	1463 }
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 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	1465 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	1466 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	1467 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	1468 }
6597 b88fd3894d5a Add a new function PyNumber_CoerceEx() which works just like Guido van Rossum <guido@python.org> parents: 5981 diff changeset	1469 return 1;
b88fd3894d5a Add a new function PyNumber_CoerceEx() which works just like Guido van Rossum <guido@python.org> parents: 5981 diff changeset	1470 }
b88fd3894d5a Add a new function PyNumber_CoerceEx() which works just like Guido van Rossum <guido@python.org> parents: 5981 diff changeset	1471
15941 5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs Guido van Rossum <guido@python.org> parents: 15726 diff changeset	1472 /* 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	1473 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	1474 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	1475 (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	1476 */
6597 b88fd3894d5a Add a new function PyNumber_CoerceEx() which works just like Guido van Rossum <guido@python.org> parents: 5981 diff changeset	1477 int
13473 31b1f691a7d9 ANSI-fication of the sources. Fred Drake <fdrake@acm.org> parents: 13447 diff changeset	1478 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	1479 {
b88fd3894d5a Add a new function PyNumber_CoerceEx() which works just like Guido van Rossum <guido@python.org> parents: 5981 diff changeset	1480 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	1481 if (err <= 0)
b88fd3894d5a Add a new function PyNumber_CoerceEx() which works just like Guido van Rossum <guido@python.org> parents: 5981 diff changeset	1482 return err;
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5006 diff changeset	1483 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	1484 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	1485 }
76c860a18d82 move coerce() from bltinmodule.c to object.c and implement builtin_coerce() differently Guido van Rossum <guido@python.org> parents: 2079 diff changeset	1486
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	1487
2237 0b0b18d655d2 move callable() here Guido van Rossum <guido@python.org> parents: 2160 diff changeset	1488 /* Test whether an object can be called */
0b0b18d655d2 move callable() here Guido van Rossum <guido@python.org> parents: 2160 diff changeset	1489
0b0b18d655d2 move callable() here Guido van Rossum <guido@python.org> parents: 2160 diff changeset	1490 int
13473 31b1f691a7d9 ANSI-fication of the sources. Fred Drake <fdrake@acm.org> parents: 13447 diff changeset	1491 PyCallable_Check(PyObject *x)
2237 0b0b18d655d2 move callable() here Guido van Rossum <guido@python.org> parents: 2160 diff changeset	1492 {
0b0b18d655d2 move callable() here Guido van Rossum <guido@python.org> parents: 2160 diff changeset	1493 if (x == NULL)
0b0b18d655d2 move callable() here Guido van Rossum <guido@python.org> parents: 2160 diff changeset	1494 return 0;
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5006 diff changeset	1495 if (PyInstance_Check(x)) {
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5006 diff changeset	1496 PyObject *call = PyObject_GetAttrString(x, "__call__");
2237 0b0b18d655d2 move callable() here Guido van Rossum <guido@python.org> parents: 2160 diff changeset	1497 if (call == NULL) {
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5006 diff changeset	1498 PyErr_Clear();
2237 0b0b18d655d2 move callable() here Guido van Rossum <guido@python.org> parents: 2160 diff changeset	1499 return 0;
0b0b18d655d2 move callable() here Guido van Rossum <guido@python.org> parents: 2160 diff changeset	1500 }
0b0b18d655d2 move callable() here Guido van Rossum <guido@python.org> parents: 2160 diff changeset	1501 /* Could test recursively but don't, for fear of endless
0b0b18d655d2 move callable() here Guido van Rossum <guido@python.org> parents: 2160 diff changeset	1502 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	1503 Py_DECREF(call);
2237 0b0b18d655d2 move callable() here Guido van Rossum <guido@python.org> parents: 2160 diff changeset	1504 return 1;
0b0b18d655d2 move callable() here Guido van Rossum <guido@python.org> parents: 2160 diff changeset	1505 }
18933 09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1506 else {
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 18887 diff changeset	1507 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	1508 }
2237 0b0b18d655d2 move callable() here Guido van Rossum <guido@python.org> parents: 2160 diff changeset	1509 }
0b0b18d655d2 move callable() here Guido van Rossum <guido@python.org> parents: 2160 diff changeset	1510
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	1511 /* 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	1512 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	1513 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	1514 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	1515 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	1516 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	1517 */
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	1518
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	1519 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	1520 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	1521 {
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	1522 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	1523 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	1524
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	1525 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	1526 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	1527
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 /* 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	1529 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	1530 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	1531 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	1532 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	1533 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	1534 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	1535 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	1536 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	1537 }
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
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 /* 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	1540 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	1541 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	1542 PyErr_Clear();
c327a8ac9f2b merge_class_dict(): Clear the error if __bases__ doesn't exist. Tim Peters <tim.peters@gmail.com> parents: 19906 diff changeset	1543 else {
23436 f9d5e1fb2aa6 Jim Fulton reported a segfault in dir(). A heavily proxied object Guido van Rossum <guido@python.org> parents: 23282 diff changeset	1544 /* 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	1545 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	1546 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	1547 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	1548 PyErr_Clear();
f9d5e1fb2aa6 Jim Fulton reported a segfault in dir(). A heavily proxied object Guido van Rossum <guido@python.org> parents: 23282 diff changeset	1549 else {
f9d5e1fb2aa6 Jim Fulton reported a segfault in dir(). A heavily proxied object Guido van Rossum <guido@python.org> parents: 23282 diff changeset	1550 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	1551 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	1552 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	1553 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	1554 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	1555 return -1;
f9d5e1fb2aa6 Jim Fulton reported a segfault in dir(). A heavily proxied object Guido van Rossum <guido@python.org> parents: 23282 diff changeset	1556 }
27702 84f2c438c3f5 SF bug 681122: Built-in function dir() causes refcount leak in baseclasses. Tim Peters <tim.peters@gmail.com> parents: 27314 diff changeset	1557 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	1558 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	1559 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	1560 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	1561 return -1;
f9d5e1fb2aa6 Jim Fulton reported a segfault in dir(). A heavily proxied object Guido van Rossum <guido@python.org> parents: 23282 diff changeset	1562 }
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	1563 }
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	1564 }
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	1565 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	1566 }
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	1567 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	1568 }
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	1569
19932 621ed13445de PyObject_Dir(): Merge in __members__ and __methods__ too (if they exist, Tim Peters <tim.peters@gmail.com> parents: 19931 diff changeset	1570 /* 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	1571 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	1572 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	1573 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	1574 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	1575 */
621ed13445de PyObject_Dir(): Merge in __members__ and __methods__ too (if they exist, Tim Peters <tim.peters@gmail.com> parents: 19931 diff changeset	1576
621ed13445de PyObject_Dir(): Merge in __members__ and __methods__ too (if they exist, Tim Peters <tim.peters@gmail.com> parents: 19931 diff changeset	1577 static int
621ed13445de PyObject_Dir(): Merge in __members__ and __methods__ too (if they exist, Tim Peters <tim.peters@gmail.com> parents: 19931 diff changeset	1578 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	1579 {
621ed13445de PyObject_Dir(): Merge in __members__ and __methods__ too (if they exist, Tim Peters <tim.peters@gmail.com> parents: 19931 diff changeset	1580 PyObject *list;
621ed13445de PyObject_Dir(): Merge in __members__ and __methods__ too (if they exist, Tim Peters <tim.peters@gmail.com> parents: 19931 diff changeset	1581 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	1582
621ed13445de PyObject_Dir(): Merge in __members__ and __methods__ too (if they exist, Tim Peters <tim.peters@gmail.com> parents: 19931 diff changeset	1583 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	1584 assert(obj);
621ed13445de PyObject_Dir(): Merge in __members__ and __methods__ too (if they exist, Tim Peters <tim.peters@gmail.com> parents: 19931 diff changeset	1585 assert(attrname);
621ed13445de PyObject_Dir(): Merge in __members__ and __methods__ too (if they exist, Tim Peters <tim.peters@gmail.com> parents: 19931 diff changeset	1586
621ed13445de PyObject_Dir(): Merge in __members__ and __methods__ too (if they exist, Tim Peters <tim.peters@gmail.com> parents: 19931 diff changeset	1587 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	1588 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	1589 PyErr_Clear();
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 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	1592 int i;
621ed13445de PyObject_Dir(): Merge in __members__ and __methods__ too (if they exist, Tim Peters <tim.peters@gmail.com> parents: 19931 diff changeset	1593 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	1594 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	1595 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	1596 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	1597 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	1598 break;
621ed13445de PyObject_Dir(): Merge in __members__ and __methods__ too (if they exist, Tim Peters <tim.peters@gmail.com> parents: 19931 diff changeset	1599 }
621ed13445de PyObject_Dir(): Merge in __members__ and __methods__ too (if they exist, Tim Peters <tim.peters@gmail.com> parents: 19931 diff changeset	1600 }
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
621ed13445de PyObject_Dir(): Merge in __members__ and __methods__ too (if they exist, Tim Peters <tim.peters@gmail.com> parents: 19931 diff changeset	1603 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	1604 return result;
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
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	1607 /* 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	1608 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	1609
b7f6fbc087a7 At Guido's suggestion, here's a new C API function, PyObject_Dir(), like Tim Peters <tim.peters@gmail.com> parents: 19633 diff changeset	1610 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	1611 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	1612 {
b7f6fbc087a7 At Guido's suggestion, here's a new C API function, PyObject_Dir(), like Tim Peters <tim.peters@gmail.com> parents: 19633 diff changeset	1613 /* 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	1614 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	1615 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	1616
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	1617 /* 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	1618 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	1619 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	1620 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	1621 goto error;
32463 d4a59230e93a SF Bug #215126: Over restricted type checking on eval() function Raymond Hettinger <python@rcn.com> parents: 31940 diff changeset	1622 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	1623 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	1624 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	1625 }
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
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 /* 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	1628 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	1629 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	1630 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	1631 goto error;
19833 f44606b242c5 PyObject_Dir(): Guido van Rossum <guido@python.org> parents: 19705 diff changeset	1632 if (!PyDict_Check(masterdict)) {
f44606b242c5 PyObject_Dir(): Guido van Rossum <guido@python.org> parents: 19705 diff changeset	1633 PyErr_SetString(PyExc_TypeError,
f44606b242c5 PyObject_Dir(): Guido van Rossum <guido@python.org> parents: 19705 diff changeset	1634 "module.__dict__ is not a dictionary");
f44606b242c5 PyObject_Dir(): Guido van Rossum <guido@python.org> parents: 19705 diff changeset	1635 goto error;
f44606b242c5 PyObject_Dir(): Guido van Rossum <guido@python.org> parents: 19705 diff changeset	1636 }
19705 b7f6fbc087a7 At Guido's suggestion, here's a new C API function, PyObject_Dir(), like Tim Peters <tim.peters@gmail.com> parents: 19633 diff changeset	1637 }
b7f6fbc087a7 At Guido's suggestion, here's a new C API function, PyObject_Dir(), like Tim Peters <tim.peters@gmail.com> parents: 19633 diff changeset	1638
b7f6fbc087a7 At Guido's suggestion, here's a new C API function, PyObject_Dir(), like Tim Peters <tim.peters@gmail.com> parents: 19633 diff changeset	1639 /* 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	1640 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	1641 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	1642 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	1643 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	1644 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	1645 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	1646 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	1647 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	1648 }
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	1649
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	1650 /* 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	1651 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	1652 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	1653 /* 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	1654 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	1655 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	1656 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	1657 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	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 }
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 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	1661 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	1662 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	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 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	1665 /* 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	1666 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	1667 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	1668 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	1669 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	1670 }
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 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	1673
19932 621ed13445de PyObject_Dir(): Merge in __members__ and __methods__ too (if they exist, Tim Peters <tim.peters@gmail.com> parents: 19931 diff changeset	1674 /* 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	1675 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	1676 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	1677 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	1678 goto error;
621ed13445de PyObject_Dir(): Merge in __members__ and __methods__ too (if they exist, Tim Peters <tim.peters@gmail.com> parents: 19931 diff changeset	1679 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	1680 goto error;
621ed13445de PyObject_Dir(): Merge in __members__ and __methods__ too (if they exist, Tim Peters <tim.peters@gmail.com> parents: 19931 diff changeset	1681
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	1682 /* 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	1683 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	1684 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	1685 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	1686 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	1687 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	1688 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	1689 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	1690 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	1691 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	1692 }
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	1693 }
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	1694
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	1695 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	1696 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	1697 /* 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	1698 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	1699 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	1700 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	1701 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	1702 }
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
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 assert(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	1705 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	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 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	1708 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	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 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	1711 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	1712 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	1713 /* 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	1714 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	1715 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	1716 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	1717 }
2237 0b0b18d655d2 move callable() here Guido van Rossum <guido@python.org> parents: 2160 diff changeset	1718
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	1719 /*
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	1720 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	1721 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	1722 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	1723 (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	1724 */
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	1725
739 ab1b3486b226 Fix lint bug Guido van Rossum <guido@python.org> parents: 512 diff changeset	1726 /* ARGSUSED */
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5006 diff changeset	1727 static PyObject *
13473 31b1f691a7d9 ANSI-fication of the sources. Fred Drake <fdrake@acm.org> parents: 13447 diff changeset	1728 none_repr(PyObject *op)
86 a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: 58 diff changeset	1729 {
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5006 diff changeset	1730 return PyString_FromString("None");
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	1731 }
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	1732
16165 0a72070eab6e A few miscellaneous helpers. Barry Warsaw <barry@python.org> parents: 16123 diff changeset	1733 /* ARGUSED */
0a72070eab6e A few miscellaneous helpers. Barry Warsaw <barry@python.org> parents: 16123 diff changeset	1734 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	1735 none_dealloc(PyObject* ignore)
16165 0a72070eab6e A few miscellaneous helpers. Barry Warsaw <barry@python.org> parents: 16123 diff changeset	1736 {
0a72070eab6e A few miscellaneous helpers. Barry Warsaw <barry@python.org> parents: 16123 diff changeset	1737 /* 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	1738 * we accidently decref None out of existance.
0a72070eab6e A few miscellaneous helpers. Barry Warsaw <barry@python.org> parents: 16123 diff changeset	1739 */
24644 7ba3e5fbaad8 Replace abort with Py_FatalError. Martin v. Löwis <martin@v.loewis.de> parents: 24420 diff changeset	1740 Py_FatalError("deallocating None");
16165 0a72070eab6e A few miscellaneous helpers. Barry Warsaw <barry@python.org> parents: 16123 diff changeset	1741 }
0a72070eab6e A few miscellaneous helpers. Barry Warsaw <barry@python.org> parents: 16123 diff changeset	1742
0a72070eab6e A few miscellaneous helpers. Barry Warsaw <barry@python.org> parents: 16123 diff changeset	1743
19294 1456ec735087 Add a function _Py_ReadyTypes() which initializes various and sundry Guido van Rossum <guido@python.org> parents: 19293 diff changeset	1744 static PyTypeObject PyNone_Type = {
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5006 diff changeset	1745 PyObject_HEAD_INIT(&PyType_Type)
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	1746 0,
19294 1456ec735087 Add a function _Py_ReadyTypes() which initializes various and sundry Guido van Rossum <guido@python.org> parents: 19293 diff changeset	1747 "NoneType",
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	1748 0,
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	1749 0,
16165 0a72070eab6e A few miscellaneous helpers. Barry Warsaw <barry@python.org> parents: 16123 diff changeset	1750 (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	1751 0, /tp_print/
86 a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: 58 diff changeset	1752 0, /tp_getattr/
a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: 58 diff changeset	1753 0, /tp_setattr/
a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: 58 diff changeset	1754 0, /tp_compare/
1848 b724599401ff Merge back to main trunk Guido van Rossum <guido@python.org> parents: 1400 diff changeset	1755 (reprfunc)none_repr, /tp_repr/
86 a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: 58 diff changeset	1756 0, /tp_as_number/
a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: 58 diff changeset	1757 0, /tp_as_sequence/
a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: 58 diff changeset	1758 0, /tp_as_mapping/
1257 1cabc2b6c970 * Changed all copyright messages to include 1993. Guido van Rossum <guido@python.org> parents: 1051 diff changeset	1759 0, /tp_hash /
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	1760 };
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	1761
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5006 diff changeset	1762 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	1763 PyObject_HEAD_INIT(&PyNone_Type)
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	1764 };
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	1765
15726 db9f1893be01 Changes for PEP 208. PyObject_Compare has been rewritten. Instances no Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 15318 diff changeset	1766 /* 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	1767 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	1768
db9f1893be01 Changes for PEP 208. PyObject_Compare has been rewritten. Instances no Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 15318 diff changeset	1769 static PyObject *
db9f1893be01 Changes for PEP 208. PyObject_Compare has been rewritten. Instances no Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 15318 diff changeset	1770 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	1771 {
db9f1893be01 Changes for PEP 208. PyObject_Compare has been rewritten. Instances no Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 15318 diff changeset	1772 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	1773 }
db9f1893be01 Changes for PEP 208. PyObject_Compare has been rewritten. Instances no Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 15318 diff changeset	1774
db9f1893be01 Changes for PEP 208. PyObject_Compare has been rewritten. Instances no Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 15318 diff changeset	1775 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	1776 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	1777 0,
19294 1456ec735087 Add a function _Py_ReadyTypes() which initializes various and sundry Guido van Rossum <guido@python.org> parents: 19293 diff changeset	1778 "NotImplementedType",
15726 db9f1893be01 Changes for PEP 208. PyObject_Compare has been rewritten. Instances no Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 15318 diff changeset	1779 0,
db9f1893be01 Changes for PEP 208. PyObject_Compare has been rewritten. Instances no Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 15318 diff changeset	1780 0,
16165 0a72070eab6e A few miscellaneous helpers. Barry Warsaw <barry@python.org> parents: 16123 diff changeset	1781 (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	1782 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	1783 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	1784 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	1785 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	1786 (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	1787 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	1788 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	1789 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	1790 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	1791 };
db9f1893be01 Changes for PEP 208. PyObject_Compare has been rewritten. Instances no Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 15318 diff changeset	1792
db9f1893be01 Changes for PEP 208. PyObject_Compare has been rewritten. Instances no Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 15318 diff changeset	1793 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	1794 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	1795 };
db9f1893be01 Changes for PEP 208. PyObject_Compare has been rewritten. Instances no Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 15318 diff changeset	1796
19294 1456ec735087 Add a function _Py_ReadyTypes() which initializes various and sundry Guido van Rossum <guido@python.org> parents: 19293 diff changeset	1797 void
1456ec735087 Add a function _Py_ReadyTypes() which initializes various and sundry Guido van Rossum <guido@python.org> parents: 19293 diff changeset	1798 _Py_ReadyTypes(void)
1456ec735087 Add a function _Py_ReadyTypes() which initializes various and sundry Guido van Rossum <guido@python.org> parents: 19293 diff changeset	1799 {
1456ec735087 Add a function _Py_ReadyTypes() which initializes various and sundry Guido van Rossum <guido@python.org> parents: 19293 diff changeset	1800 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	1801 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	1802
32472 4383db77b19a Make weak references subclassable: Fred Drake <fdrake@acm.org> parents: 32463 diff changeset	1803 if (PyType_Ready(&_PyWeakref_RefType) < 0)
4383db77b19a Make weak references subclassable: Fred Drake <fdrake@acm.org> parents: 32463 diff changeset	1804 Py_FatalError("Can't initialize 'weakref'");
4383db77b19a Make weak references subclassable: Fred Drake <fdrake@acm.org> parents: 32463 diff changeset	1805
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	1806 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	1807 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	1808
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	1809 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	1810 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	1811
19294 1456ec735087 Add a function _Py_ReadyTypes() which initializes various and sundry Guido van Rossum <guido@python.org> parents: 19293 diff changeset	1812 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	1813 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	1814
1456ec735087 Add a function _Py_ReadyTypes() which initializes various and sundry Guido van Rossum <guido@python.org> parents: 19293 diff changeset	1815 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	1816 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	1817
1456ec735087 Add a function _Py_ReadyTypes() which initializes various and sundry Guido van Rossum <guido@python.org> parents: 19293 diff changeset	1818 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	1819 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	1820 }
1456ec735087 Add a function _Py_ReadyTypes() which initializes various and sundry Guido van Rossum <guido@python.org> parents: 19293 diff changeset	1821
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	1822
3574 1ec154241747 TRACE_REFS -> Py_TRACE_REFS. Guido van Rossum <guido@python.org> parents: 3330 diff changeset	1823 #ifdef Py_TRACE_REFS
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	1824
4002 4241582636ad Define reference count admin debug functions to return void. Guido van Rossum <guido@python.org> parents: 3986 diff changeset	1825 void
13473 31b1f691a7d9 ANSI-fication of the sources. Fred Drake <fdrake@acm.org> parents: 13447 diff changeset	1826 _Py_NewReference(PyObject *op)
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	1827 {
24184 c4dcb80f48ea object.h special-build macro minefield: renamed all the new lexical Tim Peters <tim.peters@gmail.com> parents: 24155 diff changeset	1828 _Py_INC_REFTOTAL;
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	1829 op->ob_refcnt = 1;
28396 d56282c28a1e Improved new Py_TRACE_REFS gimmicks. Tim Peters <tim.peters@gmail.com> parents: 28389 diff changeset	1830 _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	1831 _Py_INC_TPALLOCS(op);
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	1832 }
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	1833
4002 4241582636ad Define reference count admin debug functions to return void. Guido van Rossum <guido@python.org> parents: 3986 diff changeset	1834 void
13473 31b1f691a7d9 ANSI-fication of the sources. Fred Drake <fdrake@acm.org> parents: 13447 diff changeset	1835 _Py_ForgetReference(register PyObject *op)
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	1836 {
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	1837 #ifdef SLOW_UNREF_CHECK
11969 74b7213fb609 Many changes for Unicode, by Marc-Andre Lemburg. Guido van Rossum <guido@python.org> parents: 11673 diff changeset	1838 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	1839 #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	1840 if (op->ob_refcnt < 0)
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5006 diff changeset	1841 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	1842 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	1843 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	1844 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	1845 #ifdef SLOW_UNREF_CHECK
86 a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: 58 diff changeset	1846 for (p = refchain._ob_next; p != &refchain; p = p->_ob_next) {
a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: 58 diff changeset	1847 if (p == op)
a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: 58 diff changeset	1848 break;
a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: 58 diff changeset	1849 }
2053 de49d49044d7 Lots of minor changes. Note for mappingobject.c: the hash table pointer Guido van Rossum <guido@python.org> parents: 1869 diff changeset	1850 if (p == &refchain) /* Not found */
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5006 diff changeset	1851 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	1852 #endif
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	1853 op->_ob_next->_ob_prev = op->_ob_prev;
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	1854 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	1855 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	1856 _Py_INC_TPFREES(op);
86 a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: 58 diff changeset	1857 }
a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: 58 diff changeset	1858
4002 4241582636ad Define reference count admin debug functions to return void. Guido van Rossum <guido@python.org> parents: 3986 diff changeset	1859 void
13473 31b1f691a7d9 ANSI-fication of the sources. Fred Drake <fdrake@acm.org> parents: 13447 diff changeset	1860 _Py_Dealloc(PyObject *op)
86 a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: 58 diff changeset	1861 {
1869 2cede61e9b1b rearranged code in debugging version of DELREF to avoid touching data Guido van Rossum <guido@python.org> parents: 1848 diff changeset	1862 destructor dealloc = op->ob_type->tp_dealloc;
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5006 diff changeset	1863 _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	1864 (*dealloc)(op);
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	1865 }
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	1866
28653 56006d97bcef _Py_PrintReferences(): Changed to print object address at start of each Tim Peters <tim.peters@gmail.com> parents: 28616 diff changeset	1867 /* 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	1868 * 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	1869 */
4002 4241582636ad Define reference count admin debug functions to return void. Guido van Rossum <guido@python.org> parents: 3986 diff changeset	1870 void
13473 31b1f691a7d9 ANSI-fication of the sources. Fred Drake <fdrake@acm.org> parents: 13447 diff changeset	1871 _Py_PrintReferences(FILE *fp)
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	1872 {
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5006 diff changeset	1873 PyObject *op;
5931 12fe5cc1516d Added _Py_ResetReferences(), if tracing references. Guido van Rossum <guido@python.org> parents: 5610 diff changeset	1874 fprintf(fp, "Remaining objects:\n");
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	1875 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	1876 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	1877 if (PyObject_Print(op, fp, 0) != 0)
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5006 diff changeset	1878 PyErr_Clear();
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	1879 putc('\n', fp);
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	1880 }
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	1881 }
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	1882
28653 56006d97bcef _Py_PrintReferences(): Changed to print object address at start of each Tim Peters <tim.peters@gmail.com> parents: 28616 diff changeset	1883 /* 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	1884 * 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	1885 */
56006d97bcef _Py_PrintReferences(): Changed to print object address at start of each Tim Peters <tim.peters@gmail.com> parents: 28616 diff changeset	1886 void
56006d97bcef _Py_PrintReferences(): Changed to print object address at start of each Tim Peters <tim.peters@gmail.com> parents: 28616 diff changeset	1887 _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	1888 {
56006d97bcef _Py_PrintReferences(): Changed to print object address at start of each Tim Peters <tim.peters@gmail.com> parents: 28616 diff changeset	1889 PyObject *op;
56006d97bcef _Py_PrintReferences(): Changed to print object address at start of each Tim Peters <tim.peters@gmail.com> parents: 28616 diff changeset	1890 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	1891 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	1892 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	1893 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	1894 }
56006d97bcef _Py_PrintReferences(): Changed to print object address at start of each Tim Peters <tim.peters@gmail.com> parents: 28616 diff changeset	1895
3024 54aa87b1ccee Implemented two new functions in sys: Sjoerd Mullender <sjoerd@acm.org> parents: 2827 diff changeset	1896 PyObject *
13473 31b1f691a7d9 ANSI-fication of the sources. Fred Drake <fdrake@acm.org> parents: 13447 diff changeset	1897 _Py_GetObjects(PyObject self, PyObject args)
3024 54aa87b1ccee Implemented two new functions in sys: Sjoerd Mullender <sjoerd@acm.org> parents: 2827 diff changeset	1898 {
54aa87b1ccee Implemented two new functions in sys: Sjoerd Mullender <sjoerd@acm.org> parents: 2827 diff changeset	1899 int i, n;
54aa87b1ccee Implemented two new functions in sys: Sjoerd Mullender <sjoerd@acm.org> parents: 2827 diff changeset	1900 PyObject *t = NULL;
54aa87b1ccee Implemented two new functions in sys: Sjoerd Mullender <sjoerd@acm.org> parents: 2827 diff changeset	1901 PyObject res, op;
54aa87b1ccee Implemented two new functions in sys: Sjoerd Mullender <sjoerd@acm.org> parents: 2827 diff changeset	1902
54aa87b1ccee Implemented two new functions in sys: Sjoerd Mullender <sjoerd@acm.org> parents: 2827 diff changeset	1903 if (!PyArg_ParseTuple(args, "i\|O", &n, &t))
54aa87b1ccee Implemented two new functions in sys: Sjoerd Mullender <sjoerd@acm.org> parents: 2827 diff changeset	1904 return NULL;
54aa87b1ccee Implemented two new functions in sys: Sjoerd Mullender <sjoerd@acm.org> parents: 2827 diff changeset	1905 op = refchain._ob_next;
54aa87b1ccee Implemented two new functions in sys: Sjoerd Mullender <sjoerd@acm.org> parents: 2827 diff changeset	1906 res = PyList_New(0);
54aa87b1ccee Implemented two new functions in sys: Sjoerd Mullender <sjoerd@acm.org> parents: 2827 diff changeset	1907 if (res == NULL)
54aa87b1ccee Implemented two new functions in sys: Sjoerd Mullender <sjoerd@acm.org> parents: 2827 diff changeset	1908 return NULL;
54aa87b1ccee Implemented two new functions in sys: Sjoerd Mullender <sjoerd@acm.org> parents: 2827 diff changeset	1909 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	1910 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	1911 (t != NULL && op->ob_type != (PyTypeObject *) t)) {
3024 54aa87b1ccee Implemented two new functions in sys: Sjoerd Mullender <sjoerd@acm.org> parents: 2827 diff changeset	1912 op = op->_ob_next;
54aa87b1ccee Implemented two new functions in sys: Sjoerd Mullender <sjoerd@acm.org> parents: 2827 diff changeset	1913 if (op == &refchain)
54aa87b1ccee Implemented two new functions in sys: Sjoerd Mullender <sjoerd@acm.org> parents: 2827 diff changeset	1914 return res;
54aa87b1ccee Implemented two new functions in sys: Sjoerd Mullender <sjoerd@acm.org> parents: 2827 diff changeset	1915 }
54aa87b1ccee Implemented two new functions in sys: Sjoerd Mullender <sjoerd@acm.org> parents: 2827 diff changeset	1916 if (PyList_Append(res, op) < 0) {
54aa87b1ccee Implemented two new functions in sys: Sjoerd Mullender <sjoerd@acm.org> parents: 2827 diff changeset	1917 Py_DECREF(res);
54aa87b1ccee Implemented two new functions in sys: Sjoerd Mullender <sjoerd@acm.org> parents: 2827 diff changeset	1918 return NULL;
54aa87b1ccee Implemented two new functions in sys: Sjoerd Mullender <sjoerd@acm.org> parents: 2827 diff changeset	1919 }
54aa87b1ccee Implemented two new functions in sys: Sjoerd Mullender <sjoerd@acm.org> parents: 2827 diff changeset	1920 op = op->_ob_next;
54aa87b1ccee Implemented two new functions in sys: Sjoerd Mullender <sjoerd@acm.org> parents: 2827 diff changeset	1921 }
54aa87b1ccee Implemented two new functions in sys: Sjoerd Mullender <sjoerd@acm.org> parents: 2827 diff changeset	1922 return res;
54aa87b1ccee Implemented two new functions in sys: Sjoerd Mullender <sjoerd@acm.org> parents: 2827 diff changeset	1923 }
54aa87b1ccee Implemented two new functions in sys: Sjoerd Mullender <sjoerd@acm.org> parents: 2827 diff changeset	1924
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	1925 #endif
3330 9f1b6e2db8e0 Hack to force loading of cobject.o Guido van Rossum <guido@python.org> parents: 3024 diff changeset	1926
9f1b6e2db8e0 Hack to force loading of cobject.o Guido van Rossum <guido@python.org> parents: 3024 diff changeset	1927
9f1b6e2db8e0 Hack to force loading of cobject.o Guido van Rossum <guido@python.org> parents: 3024 diff changeset	1928 /* Hack to force loading of cobject.o */
4588 4dc67fdd9e0b Make gcc -Wall happy Guido van Rossum <guido@python.org> parents: 4503 diff changeset	1929 PyTypeObject *_Py_cobject_hack = &PyCObject_Type;
3574 1ec154241747 TRACE_REFS -> Py_TRACE_REFS. Guido van Rossum <guido@python.org> parents: 3330 diff changeset	1930
1ec154241747 TRACE_REFS -> Py_TRACE_REFS. Guido van Rossum <guido@python.org> parents: 3330 diff changeset	1931
1ec154241747 TRACE_REFS -> Py_TRACE_REFS. Guido van Rossum <guido@python.org> parents: 3330 diff changeset	1932 /* 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	1933 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	1934
12fe5cc1516d Added _Py_ResetReferences(), if tracing references. Guido van Rossum <guido@python.org> parents: 5610 diff changeset	1935
14006 ed369f0aa32b Updated comment Andrew M. Kuchling <amk@amk.ca> parents: 13976 diff changeset	1936 /* 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	1937
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	1938 void *
13473 31b1f691a7d9 ANSI-fication of the sources. Fred Drake <fdrake@acm.org> parents: 13447 diff changeset	1939 PyMem_Malloc(size_t nbytes)
5931 12fe5cc1516d Added _Py_ResetReferences(), if tracing references. Guido van Rossum <guido@python.org> parents: 5610 diff changeset	1940 {
12576 1c7c2dd1beb1 Vladimir Marangozov's long-awaited malloc restructuring. Guido van Rossum <guido@python.org> parents: 12481 diff changeset	1941 return PyMem_MALLOC(nbytes);
5931 12fe5cc1516d Added _Py_ResetReferences(), if tracing references. Guido van Rossum <guido@python.org> parents: 5610 diff changeset	1942 }
12fe5cc1516d Added _Py_ResetReferences(), if tracing references. Guido van Rossum <guido@python.org> parents: 5610 diff changeset	1943
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	1944 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	1945 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	1946 {
22985 d9d82c1ef864 First stab at rationalizing the PyMem_ API. Mixing PyObject_xyz with Tim Peters <tim.peters@gmail.com> parents: 22982 diff changeset	1947 return PyMem_REALLOC(p, nbytes);
5931 12fe5cc1516d Added _Py_ResetReferences(), if tracing references. Guido van Rossum <guido@python.org> parents: 5610 diff changeset	1948 }
12fe5cc1516d Added _Py_ResetReferences(), if tracing references. Guido van Rossum <guido@python.org> parents: 5610 diff changeset	1949
12fe5cc1516d Added _Py_ResetReferences(), if tracing references. Guido van Rossum <guido@python.org> parents: 5610 diff changeset	1950 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	1951 PyMem_Free(void *p)
5931 12fe5cc1516d Added _Py_ResetReferences(), if tracing references. Guido van Rossum <guido@python.org> parents: 5610 diff changeset	1952 {
12576 1c7c2dd1beb1 Vladimir Marangozov's long-awaited malloc restructuring. Guido van Rossum <guido@python.org> parents: 12481 diff changeset	1953 PyMem_FREE(p);
1c7c2dd1beb1 Vladimir Marangozov's long-awaited malloc restructuring. Guido van Rossum <guido@python.org> parents: 12481 diff changeset	1954 }
1c7c2dd1beb1 Vladimir Marangozov's long-awaited malloc restructuring. Guido van Rossum <guido@python.org> parents: 12481 diff changeset	1955
1c7c2dd1beb1 Vladimir Marangozov's long-awaited malloc restructuring. Guido van Rossum <guido@python.org> parents: 12481 diff changeset	1956
7984 1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}. Guido van Rossum <guido@python.org> parents: 7935 diff changeset	1957 /* 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	1958 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	1959 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	1960 Py_ReprLeave() to avoid infinite recursion.
1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}. Guido van Rossum <guido@python.org> parents: 7935 diff changeset	1961
1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}. Guido van Rossum <guido@python.org> parents: 7935 diff changeset	1962 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	1963 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	1964 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	1965
1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}. Guido van Rossum <guido@python.org> parents: 7935 diff changeset	1966 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	1967 */
1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}. Guido van Rossum <guido@python.org> parents: 7935 diff changeset	1968
1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}. Guido van Rossum <guido@python.org> parents: 7935 diff changeset	1969 #define KEY "Py_Repr"
1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}. Guido van Rossum <guido@python.org> parents: 7935 diff changeset	1970
1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}. Guido van Rossum <guido@python.org> parents: 7935 diff changeset	1971 int
13473 31b1f691a7d9 ANSI-fication of the sources. Fred Drake <fdrake@acm.org> parents: 13447 diff changeset	1972 Py_ReprEnter(PyObject *obj)
7984 1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}. Guido van Rossum <guido@python.org> parents: 7935 diff changeset	1973 {
1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}. Guido van Rossum <guido@python.org> parents: 7935 diff changeset	1974 PyObject *dict;
1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}. Guido van Rossum <guido@python.org> parents: 7935 diff changeset	1975 PyObject *list;
1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}. Guido van Rossum <guido@python.org> parents: 7935 diff changeset	1976 int i;
1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}. Guido van Rossum <guido@python.org> parents: 7935 diff changeset	1977
1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}. Guido van Rossum <guido@python.org> parents: 7935 diff changeset	1978 dict = PyThreadState_GetDict();
1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}. Guido van Rossum <guido@python.org> parents: 7935 diff changeset	1979 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	1980 return 0;
7984 1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}. Guido van Rossum <guido@python.org> parents: 7935 diff changeset	1981 list = PyDict_GetItemString(dict, KEY);
1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}. Guido van Rossum <guido@python.org> parents: 7935 diff changeset	1982 if (list == NULL) {
1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}. Guido van Rossum <guido@python.org> parents: 7935 diff changeset	1983 list = PyList_New(0);
1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}. Guido van Rossum <guido@python.org> parents: 7935 diff changeset	1984 if (list == NULL)
1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}. Guido van Rossum <guido@python.org> parents: 7935 diff changeset	1985 return -1;
1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}. Guido van Rossum <guido@python.org> parents: 7935 diff changeset	1986 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	1987 return -1;
1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}. Guido van Rossum <guido@python.org> parents: 7935 diff changeset	1988 Py_DECREF(list);
1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}. Guido van Rossum <guido@python.org> parents: 7935 diff changeset	1989 }
1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}. Guido van Rossum <guido@python.org> parents: 7935 diff changeset	1990 i = PyList_GET_SIZE(list);
1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}. Guido van Rossum <guido@python.org> parents: 7935 diff changeset	1991 while (--i >= 0) {
1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}. Guido van Rossum <guido@python.org> parents: 7935 diff changeset	1992 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	1993 return 1;
1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}. Guido van Rossum <guido@python.org> parents: 7935 diff changeset	1994 }
1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}. Guido van Rossum <guido@python.org> parents: 7935 diff changeset	1995 PyList_Append(list, obj);
1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}. Guido van Rossum <guido@python.org> parents: 7935 diff changeset	1996 return 0;
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
1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}. Guido van Rossum <guido@python.org> parents: 7935 diff changeset	1999 void
13473 31b1f691a7d9 ANSI-fication of the sources. Fred Drake <fdrake@acm.org> parents: 13447 diff changeset	2000 Py_ReprLeave(PyObject *obj)
7984 1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}. Guido van Rossum <guido@python.org> parents: 7935 diff changeset	2001 {
1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}. Guido van Rossum <guido@python.org> parents: 7935 diff changeset	2002 PyObject *dict;
1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}. Guido van Rossum <guido@python.org> parents: 7935 diff changeset	2003 PyObject *list;
1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}. Guido van Rossum <guido@python.org> parents: 7935 diff changeset	2004 int i;
1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}. Guido van Rossum <guido@python.org> parents: 7935 diff changeset	2005
1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}. Guido van Rossum <guido@python.org> parents: 7935 diff changeset	2006 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	2007 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	2008 return;
7984 1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}. Guido van Rossum <guido@python.org> parents: 7935 diff changeset	2009 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	2010 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	2011 return;
7984 1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}. Guido van Rossum <guido@python.org> parents: 7935 diff changeset	2012 i = PyList_GET_SIZE(list);
1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}. Guido van Rossum <guido@python.org> parents: 7935 diff changeset	2013 /* 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	2014 while (--i >= 0) {
1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}. Guido van Rossum <guido@python.org> parents: 7935 diff changeset	2015 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	2016 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	2017 break;
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 }
1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}. Guido van Rossum <guido@python.org> parents: 7935 diff changeset	2020 }
11999 c94247b5c355 Christian Tismer's "trashcan" patch: Guido van Rossum <guido@python.org> parents: 11969 diff changeset	2021
24122 d332484e394a Trashcan cleanup: Now that cyclic gc is always there, the trashcan Tim Peters <tim.peters@gmail.com> parents: 24121 diff changeset	2022 /* Trashcan support. */
12052 5d3165e30bce Christian Tismer: Guido van Rossum <guido@python.org> parents: 11999 diff changeset	2023
24122 d332484e394a Trashcan cleanup: Now that cyclic gc is always there, the trashcan Tim Peters <tim.peters@gmail.com> parents: 24121 diff changeset	2024 /* 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	2025 int _PyTrash_delete_nesting = 0;
12481 a8898a172fe2 Christian Tismer -- total rewrite on trashcan code. Guido van Rossum <guido@python.org> parents: 12406 diff changeset	2026
24122 d332484e394a Trashcan cleanup: Now that cyclic gc is always there, the trashcan Tim Peters <tim.peters@gmail.com> parents: 24121 diff changeset	2027 /* 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	2028 * 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	2029 */
d332484e394a Trashcan cleanup: Now that cyclic gc is always there, the trashcan Tim Peters <tim.peters@gmail.com> parents: 24121 diff changeset	2030 PyObject *_PyTrash_delete_later = NULL;
11999 c94247b5c355 Christian Tismer's "trashcan" patch: Guido van Rossum <guido@python.org> parents: 11969 diff changeset	2031
24122 d332484e394a Trashcan cleanup: Now that cyclic gc is always there, the trashcan Tim Peters <tim.peters@gmail.com> parents: 24121 diff changeset	2032 /* 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	2033 * 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	2034 * 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	2035 */
11999 c94247b5c355 Christian Tismer's "trashcan" patch: Guido van Rossum <guido@python.org> parents: 11969 diff changeset	2036 void
13473 31b1f691a7d9 ANSI-fication of the sources. Fred Drake <fdrake@acm.org> parents: 13447 diff changeset	2037 _PyTrash_deposit_object(PyObject *op)
11999 c94247b5c355 Christian Tismer's "trashcan" patch: Guido van Rossum <guido@python.org> parents: 11969 diff changeset	2038 {
24122 d332484e394a Trashcan cleanup: Now that cyclic gc is always there, the trashcan Tim Peters <tim.peters@gmail.com> parents: 24121 diff changeset	2039 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	2040 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	2041 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	2042 _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	2043 _PyTrash_delete_later = op;
11999 c94247b5c355 Christian Tismer's "trashcan" patch: Guido van Rossum <guido@python.org> parents: 11969 diff changeset	2044 }
c94247b5c355 Christian Tismer's "trashcan" patch: Guido van Rossum <guido@python.org> parents: 11969 diff changeset	2045
24122 d332484e394a Trashcan cleanup: Now that cyclic gc is always there, the trashcan Tim Peters <tim.peters@gmail.com> parents: 24121 diff changeset	2046 /* 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	2047 * 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	2048 */
11999 c94247b5c355 Christian Tismer's "trashcan" patch: Guido van Rossum <guido@python.org> parents: 11969 diff changeset	2049 void
13473 31b1f691a7d9 ANSI-fication of the sources. Fred Drake <fdrake@acm.org> parents: 13447 diff changeset	2050 _PyTrash_destroy_chain(void)
11999 c94247b5c355 Christian Tismer's "trashcan" patch: Guido van Rossum <guido@python.org> parents: 11969 diff changeset	2051 {
c94247b5c355 Christian Tismer's "trashcan" patch: Guido van Rossum <guido@python.org> parents: 11969 diff changeset	2052 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	2053 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	2054 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	2055
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	2056 _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	2057 (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	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 /* 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	2060 * 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	2061 * 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	2062 * 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	2063 * 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	2064 */
d332484e394a Trashcan cleanup: Now that cyclic gc is always there, the trashcan Tim Peters <tim.peters@gmail.com> parents: 24121 diff changeset	2065 assert(op->ob_refcnt == 0);
11999 c94247b5c355 Christian Tismer's "trashcan" patch: Guido van Rossum <guido@python.org> parents: 11969 diff changeset	2066 ++_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	2067 (*dealloc)(op);
11999 c94247b5c355 Christian Tismer's "trashcan" patch: Guido van Rossum <guido@python.org> parents: 11969 diff changeset	2068 --_PyTrash_delete_nesting;
c94247b5c355 Christian Tismer's "trashcan" patch: Guido van Rossum <guido@python.org> parents: 11969 diff changeset	2069 }
c94247b5c355 Christian Tismer's "trashcan" patch: Guido van Rossum <guido@python.org> parents: 11969 diff changeset	2070 }

Mercurial > cpython-lru_cache-weakref

annotate Objects/object.c @ 32975:9b188158181f legacy-trunk