annotate Python/ceval.c @ 50134:eeef71dd3cce 2.6

Unblocked and merged revisions 67494 via svnmerge from svn+ssh://pythondev@svn.python.org/python/trunk ........ r67494 | jeffrey.yasskin | 2008-12-02 22:46:45 -0800 (Tue, 02 Dec 2008) | 5 lines Speed up Python (according to pybench and 2to3-on-itself) by 1-2% by caching whether any thread has tracing turned on, which saves one load instruction in the fast_next_opcode path in PyEval_EvalFrameEx(). See issue 4477. ........
author Jeffrey Yasskin <jyasskin@gmail.com>
date Fri, 12 Dec 2008 21:25:13 +0000
parents 2f8c317dff17
children 114354b1e0e5
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
145
853b736a6a9e Added copyright notice.
Guido van Rossum <guido@python.org>
parents: 119
diff changeset
1
86
a6934380c6e7 "Compiling" version
Guido van Rossum <guido@python.org>
parents: 72
diff changeset
2 /* Execute compiled code */
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3
2844
0261bf5b3819 keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents: 2813
diff changeset
4 /* XXX TO DO:
0261bf5b3819 keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents: 2813
diff changeset
5 XXX speed up searching for keywords by using a dictionary
0261bf5b3819 keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents: 2813
diff changeset
6 XXX document it!
0261bf5b3819 keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents: 2813
diff changeset
7 */
0261bf5b3819 keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents: 2813
diff changeset
8
38425
ca657e0bd09c needforspeed: backed out the Py_LOCAL-isation of ceval; the massive in-
Fredrik Lundh <fredrik@pythonware.com>
parents: 38418
diff changeset
9 /* enable more aggressive intra-module optimizations, where available */
38350
3bef24086ace needforspeed: added PY_LOCAL_AGGRESSIVE macro to enable "aggressive"
Fredrik Lundh <fredrik@pythonware.com>
parents: 38345
diff changeset
10 #define PY_LOCAL_AGGRESSIVE
3bef24086ace needforspeed: added PY_LOCAL_AGGRESSIVE macro to enable "aggressive"
Fredrik Lundh <fredrik@pythonware.com>
parents: 38345
diff changeset
11
5368
f2132d1f66a6 Quickly renamed.
Guido van Rossum <guido@python.org>
parents: 5177
diff changeset
12 #include "Python.h"
86
a6934380c6e7 "Compiling" version
Guido van Rossum <guido@python.org>
parents: 72
diff changeset
13
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35609
diff changeset
14 #include "code.h"
86
a6934380c6e7 "Compiling" version
Guido van Rossum <guido@python.org>
parents: 72
diff changeset
15 #include "frameobject.h"
926
c156d4960c2b * Makefile: cosmetics
Guido van Rossum <guido@python.org>
parents: 923
diff changeset
16 #include "eval.h"
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
17 #include "opcode.h"
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18611
diff changeset
18 #include "structmember.h"
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
19
1400
aac8231a715c * mpzmodule.c: removed redundant mpz_print function.
Guido van Rossum <guido@python.org>
parents: 1391
diff changeset
20 #include <ctype.h>
aac8231a715c * mpzmodule.c: removed redundant mpz_print function.
Guido van Rossum <guido@python.org>
parents: 1391
diff changeset
21
38418
708eaf0896bf Patch 1145039.
Tim Peters <tim.peters@gmail.com>
parents: 38352
diff changeset
22 #ifndef WITH_TSC
34442
683719e04218 Change the name of the macro used by --with-tsc builds to the less
Michael W. Hudson <mwh@python.net>
parents: 34371
diff changeset
23
683719e04218 Change the name of the macro used by --with-tsc builds to the less
Michael W. Hudson <mwh@python.net>
parents: 34371
diff changeset
24 #define READ_TIMESTAMP(var)
683719e04218 Change the name of the macro used by --with-tsc builds to the less
Michael W. Hudson <mwh@python.net>
parents: 34371
diff changeset
25
683719e04218 Change the name of the macro used by --with-tsc builds to the less
Michael W. Hudson <mwh@python.net>
parents: 34371
diff changeset
26 #else
32301
41c59d80bbc5 Patch #510695: Add TSC profiling for the VM.
Martin v. Löwis <martin@v.loewis.de>
parents: 32247
diff changeset
27
41c59d80bbc5 Patch #510695: Add TSC profiling for the VM.
Martin v. Löwis <martin@v.loewis.de>
parents: 32247
diff changeset
28 typedef unsigned long long uint64;
41c59d80bbc5 Patch #510695: Add TSC profiling for the VM.
Martin v. Löwis <martin@v.loewis.de>
parents: 32247
diff changeset
29
33104
f455bbe7ea7e This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 33030
diff changeset
30 #if defined(__ppc__) /* <- Don't know if this is the correct symbol; this
43416
dc39dddea330 Try harder to stay within the 79-column limit. There's still two places that go (way) over, but those are harder to fix without suffering in readability.
Thomas Wouters <thomas@python.org>
parents: 43408
diff changeset
31 section should work for GCC on any PowerPC
dc39dddea330 Try harder to stay within the 79-column limit. There's still two places that go (way) over, but those are harder to fix without suffering in readability.
Thomas Wouters <thomas@python.org>
parents: 43408
diff changeset
32 platform, irrespective of OS.
dc39dddea330 Try harder to stay within the 79-column limit. There's still two places that go (way) over, but those are harder to fix without suffering in readability.
Thomas Wouters <thomas@python.org>
parents: 43408
diff changeset
33 POWER? Who knows :-) */
33104
f455bbe7ea7e This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 33030
diff changeset
34
34442
683719e04218 Change the name of the macro used by --with-tsc builds to the less
Michael W. Hudson <mwh@python.net>
parents: 34371
diff changeset
35 #define READ_TIMESTAMP(var) ppc_getcounter(&var)
33104
f455bbe7ea7e This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 33030
diff changeset
36
38425
ca657e0bd09c needforspeed: backed out the Py_LOCAL-isation of ceval; the massive in-
Fredrik Lundh <fredrik@pythonware.com>
parents: 38418
diff changeset
37 static void
33104
f455bbe7ea7e This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 33030
diff changeset
38 ppc_getcounter(uint64 *v)
f455bbe7ea7e This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 33030
diff changeset
39 {
f455bbe7ea7e This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 33030
diff changeset
40 register unsigned long tbu, tb, tbu2;
f455bbe7ea7e This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 33030
diff changeset
41
f455bbe7ea7e This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 33030
diff changeset
42 loop:
f455bbe7ea7e This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 33030
diff changeset
43 asm volatile ("mftbu %0" : "=r" (tbu) );
f455bbe7ea7e This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 33030
diff changeset
44 asm volatile ("mftb %0" : "=r" (tb) );
f455bbe7ea7e This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 33030
diff changeset
45 asm volatile ("mftbu %0" : "=r" (tbu2));
f455bbe7ea7e This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 33030
diff changeset
46 if (__builtin_expect(tbu != tbu2, 0)) goto loop;
f455bbe7ea7e This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 33030
diff changeset
47
38418
708eaf0896bf Patch 1145039.
Tim Peters <tim.peters@gmail.com>
parents: 38352
diff changeset
48 /* The slightly peculiar way of writing the next lines is
33104
f455bbe7ea7e This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 33030
diff changeset
49 compiled better by GCC than any other way I tried. */
f455bbe7ea7e This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 33030
diff changeset
50 ((long*)(v))[0] = tbu;
f455bbe7ea7e This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 33030
diff changeset
51 ((long*)(v))[1] = tb;
f455bbe7ea7e This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 33030
diff changeset
52 }
f455bbe7ea7e This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 33030
diff changeset
53
34442
683719e04218 Change the name of the macro used by --with-tsc builds to the less
Michael W. Hudson <mwh@python.net>
parents: 34371
diff changeset
54 #else /* this is for linux/x86 (and probably any other GCC/x86 combo) */
683719e04218 Change the name of the macro used by --with-tsc builds to the less
Michael W. Hudson <mwh@python.net>
parents: 34371
diff changeset
55
683719e04218 Change the name of the macro used by --with-tsc builds to the less
Michael W. Hudson <mwh@python.net>
parents: 34371
diff changeset
56 #define READ_TIMESTAMP(val) \
683719e04218 Change the name of the macro used by --with-tsc builds to the less
Michael W. Hudson <mwh@python.net>
parents: 34371
diff changeset
57 __asm__ __volatile__("rdtsc" : "=A" (val))
33104
f455bbe7ea7e This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 33030
diff changeset
58
f455bbe7ea7e This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 33030
diff changeset
59 #endif
f455bbe7ea7e This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 33030
diff changeset
60
38418
708eaf0896bf Patch 1145039.
Tim Peters <tim.peters@gmail.com>
parents: 38352
diff changeset
61 void dump_tsc(int opcode, int ticked, uint64 inst0, uint64 inst1,
32301
41c59d80bbc5 Patch #510695: Add TSC profiling for the VM.
Martin v. Löwis <martin@v.loewis.de>
parents: 32247
diff changeset
62 uint64 loop0, uint64 loop1, uint64 intr0, uint64 intr1)
41c59d80bbc5 Patch #510695: Add TSC profiling for the VM.
Martin v. Löwis <martin@v.loewis.de>
parents: 32247
diff changeset
63 {
41c59d80bbc5 Patch #510695: Add TSC profiling for the VM.
Martin v. Löwis <martin@v.loewis.de>
parents: 32247
diff changeset
64 uint64 intr, inst, loop;
41c59d80bbc5 Patch #510695: Add TSC profiling for the VM.
Martin v. Löwis <martin@v.loewis.de>
parents: 32247
diff changeset
65 PyThreadState *tstate = PyThreadState_Get();
41c59d80bbc5 Patch #510695: Add TSC profiling for the VM.
Martin v. Löwis <martin@v.loewis.de>
parents: 32247
diff changeset
66 if (!tstate->interp->tscdump)
41c59d80bbc5 Patch #510695: Add TSC profiling for the VM.
Martin v. Löwis <martin@v.loewis.de>
parents: 32247
diff changeset
67 return;
41c59d80bbc5 Patch #510695: Add TSC profiling for the VM.
Martin v. Löwis <martin@v.loewis.de>
parents: 32247
diff changeset
68 intr = intr1 - intr0;
41c59d80bbc5 Patch #510695: Add TSC profiling for the VM.
Martin v. Löwis <martin@v.loewis.de>
parents: 32247
diff changeset
69 inst = inst1 - inst0 - intr;
41c59d80bbc5 Patch #510695: Add TSC profiling for the VM.
Martin v. Löwis <martin@v.loewis.de>
parents: 32247
diff changeset
70 loop = loop1 - loop0 - intr;
41c59d80bbc5 Patch #510695: Add TSC profiling for the VM.
Martin v. Löwis <martin@v.loewis.de>
parents: 32247
diff changeset
71 fprintf(stderr, "opcode=%03d t=%d inst=%06lld loop=%06lld\n",
41c59d80bbc5 Patch #510695: Add TSC profiling for the VM.
Martin v. Löwis <martin@v.loewis.de>
parents: 32247
diff changeset
72 opcode, ticked, inst, loop);
41c59d80bbc5 Patch #510695: Add TSC profiling for the VM.
Martin v. Löwis <martin@v.loewis.de>
parents: 32247
diff changeset
73 }
33104
f455bbe7ea7e This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 33030
diff changeset
74
32301
41c59d80bbc5 Patch #510695: Add TSC profiling for the VM.
Martin v. Löwis <martin@v.loewis.de>
parents: 32247
diff changeset
75 #endif
41c59d80bbc5 Patch #510695: Add TSC profiling for the VM.
Martin v. Löwis <martin@v.loewis.de>
parents: 32247
diff changeset
76
944
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 926
diff changeset
77 /* Turn this on if your compiler chokes on the big switch: */
2052
d7e91437f0a2 Lots of changes, most minor (fatal() instead of abort(), use of
Guido van Rossum <guido@python.org>
parents: 2006
diff changeset
78 /* #define CASE_TOO_BIG 1 */
944
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 926
diff changeset
79
4839
4567e158d20c Rename DEBUG macro to Py_DEBUG
Guido van Rossum <guido@python.org>
parents: 4667
diff changeset
80 #ifdef Py_DEBUG
567
8c179d023583 User trace feature.
Guido van Rossum <guido@python.org>
parents: 565
diff changeset
81 /* For debugging the interpreter: */
8c179d023583 User trace feature.
Guido van Rossum <guido@python.org>
parents: 565
diff changeset
82 #define LLTRACE 1 /* Low-level trace feature */
8c179d023583 User trace feature.
Guido van Rossum <guido@python.org>
parents: 565
diff changeset
83 #define CHECKEXC 1 /* Double-check exception checking */
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
84 #endif
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
85
15711
2481b5fe86d6 Revised implementation of CALL_FUNCTION and friends.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15364
diff changeset
86 typedef PyObject *(*callproc)(PyObject *, PyObject *, PyObject *);
1263
65a1e4e9cd54 * Fixed some subtleties with fastlocals. You can no longer access
Guido van Rossum <guido@python.org>
parents: 1262
diff changeset
87
173
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
88 /* Forward declarations */
32301
41c59d80bbc5 Patch #510695: Add TSC profiling for the VM.
Martin v. Löwis <martin@v.loewis.de>
parents: 32247
diff changeset
89 #ifdef WITH_TSC
38425
ca657e0bd09c needforspeed: backed out the Py_LOCAL-isation of ceval; the massive in-
Fredrik Lundh <fredrik@pythonware.com>
parents: 38418
diff changeset
90 static PyObject * call_function(PyObject ***, int, uint64*, uint64*);
32301
41c59d80bbc5 Patch #510695: Add TSC profiling for the VM.
Martin v. Löwis <martin@v.loewis.de>
parents: 32247
diff changeset
91 #else
38425
ca657e0bd09c needforspeed: backed out the Py_LOCAL-isation of ceval; the massive in-
Fredrik Lundh <fredrik@pythonware.com>
parents: 38418
diff changeset
92 static PyObject * call_function(PyObject ***, int);
32301
41c59d80bbc5 Patch #510695: Add TSC profiling for the VM.
Martin v. Löwis <martin@v.loewis.de>
parents: 32247
diff changeset
93 #endif
38425
ca657e0bd09c needforspeed: backed out the Py_LOCAL-isation of ceval; the massive in-
Fredrik Lundh <fredrik@pythonware.com>
parents: 38418
diff changeset
94 static PyObject * fast_function(PyObject *, PyObject ***, int, int, int);
ca657e0bd09c needforspeed: backed out the Py_LOCAL-isation of ceval; the massive in-
Fredrik Lundh <fredrik@pythonware.com>
parents: 38418
diff changeset
95 static PyObject * do_call(PyObject *, PyObject ***, int, int);
ca657e0bd09c needforspeed: backed out the Py_LOCAL-isation of ceval; the massive in-
Fredrik Lundh <fredrik@pythonware.com>
parents: 38418
diff changeset
96 static PyObject * ext_do_call(PyObject *, PyObject ***, int, int, int);
43416
dc39dddea330 Try harder to stay within the 79-column limit. There's still two places that go (way) over, but those are harder to fix without suffering in readability.
Thomas Wouters <thomas@python.org>
parents: 43408
diff changeset
97 static PyObject * update_keyword_args(PyObject *, int, PyObject ***,
dc39dddea330 Try harder to stay within the 79-column limit. There's still two places that go (way) over, but those are harder to fix without suffering in readability.
Thomas Wouters <thomas@python.org>
parents: 43408
diff changeset
98 PyObject *);
38425
ca657e0bd09c needforspeed: backed out the Py_LOCAL-isation of ceval; the massive in-
Fredrik Lundh <fredrik@pythonware.com>
parents: 38418
diff changeset
99 static PyObject * update_star_args(int, int, PyObject *, PyObject ***);
ca657e0bd09c needforspeed: backed out the Py_LOCAL-isation of ceval; the massive in-
Fredrik Lundh <fredrik@pythonware.com>
parents: 38418
diff changeset
100 static PyObject * load_args(PyObject ***, int);
15711
2481b5fe86d6 Revised implementation of CALL_FUNCTION and friends.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15364
diff changeset
101 #define CALL_FLAG_VAR 1
2481b5fe86d6 Revised implementation of CALL_FUNCTION and friends.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15364
diff changeset
102 #define CALL_FLAG_KW 2
2481b5fe86d6 Revised implementation of CALL_FUNCTION and friends.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15364
diff changeset
103
746
6c0f16008bd9 lint (added prototypes for all static fns)
Guido van Rossum <guido@python.org>
parents: 708
diff changeset
104 #ifdef LLTRACE
38352
9f7b1b7adf01 Py_LOCAL shouldn't be used for data; it works for some .NET 2003 compilers,
Fredrik Lundh <fredrik@pythonware.com>
parents: 38350
diff changeset
105 static int lltrace;
38425
ca657e0bd09c needforspeed: backed out the Py_LOCAL-isation of ceval; the massive in-
Fredrik Lundh <fredrik@pythonware.com>
parents: 38418
diff changeset
106 static int prtrace(PyObject *, char *);
746
6c0f16008bd9 lint (added prototypes for all static fns)
Guido van Rossum <guido@python.org>
parents: 708
diff changeset
107 #endif
38425
ca657e0bd09c needforspeed: backed out the Py_LOCAL-isation of ceval; the massive in-
Fredrik Lundh <fredrik@pythonware.com>
parents: 38418
diff changeset
108 static int call_trace(Py_tracefunc, PyObject *, PyFrameObject *,
18326
e427afb5637f Revise the interface to the profiling and tracing support for the
Fred Drake <fdrake@acm.org>
parents: 18293
diff changeset
109 int, PyObject *);
43845
76844a0a579f Merge from py3k branch:
Amaury Forgeot d'Arc <amauryfa@gmail.com>
parents: 43784
diff changeset
110 static int call_trace_protected(Py_tracefunc, PyObject *,
35609
23dda92de993 clean-up tracing of C functions. In particular, don't call the trace func
Armin Rigo <arigo@tunes.org>
parents: 35345
diff changeset
111 PyFrameObject *, int, PyObject *);
38425
ca657e0bd09c needforspeed: backed out the Py_LOCAL-isation of ceval; the massive in-
Fredrik Lundh <fredrik@pythonware.com>
parents: 38418
diff changeset
112 static void call_exc_trace(Py_tracefunc, PyObject *, PyFrameObject *);
ca657e0bd09c needforspeed: backed out the Py_LOCAL-isation of ceval; the massive in-
Fredrik Lundh <fredrik@pythonware.com>
parents: 38418
diff changeset
113 static int maybe_call_line_trace(Py_tracefunc, PyObject *,
31768
9817dee5d9df Fix SF bug #765624.
Armin Rigo <arigo@tunes.org>
parents: 31714
diff changeset
114 PyFrameObject *, int *, int *, int *);
24844
cf5928fab108 This is my patch
Michael W. Hudson <mwh@python.net>
parents: 24718
diff changeset
115
38425
ca657e0bd09c needforspeed: backed out the Py_LOCAL-isation of ceval; the massive in-
Fredrik Lundh <fredrik@pythonware.com>
parents: 38418
diff changeset
116 static PyObject * apply_slice(PyObject *, PyObject *, PyObject *);
ca657e0bd09c needforspeed: backed out the Py_LOCAL-isation of ceval; the massive in-
Fredrik Lundh <fredrik@pythonware.com>
parents: 38418
diff changeset
117 static int assign_slice(PyObject *, PyObject *,
13447
a89f7f268de4 Nuke all remaining occurrences of Py_PROTO and Py_FPROTO.
Tim Peters <tim.peters@gmail.com>
parents: 13256
diff changeset
118 PyObject *, PyObject *);
38425
ca657e0bd09c needforspeed: backed out the Py_LOCAL-isation of ceval; the massive in-
Fredrik Lundh <fredrik@pythonware.com>
parents: 38418
diff changeset
119 static PyObject * cmp_outcome(int, PyObject *, PyObject *);
ca657e0bd09c needforspeed: backed out the Py_LOCAL-isation of ceval; the massive in-
Fredrik Lundh <fredrik@pythonware.com>
parents: 38418
diff changeset
120 static PyObject * import_from(PyObject *, PyObject *);
ca657e0bd09c needforspeed: backed out the Py_LOCAL-isation of ceval; the massive in-
Fredrik Lundh <fredrik@pythonware.com>
parents: 38418
diff changeset
121 static int import_all_from(PyObject *, PyObject *);
ca657e0bd09c needforspeed: backed out the Py_LOCAL-isation of ceval; the massive in-
Fredrik Lundh <fredrik@pythonware.com>
parents: 38418
diff changeset
122 static PyObject * build_class(PyObject *, PyObject *, PyObject *);
ca657e0bd09c needforspeed: backed out the Py_LOCAL-isation of ceval; the massive in-
Fredrik Lundh <fredrik@pythonware.com>
parents: 38418
diff changeset
123 static int exec_statement(PyFrameObject *,
13447
a89f7f268de4 Nuke all remaining occurrences of Py_PROTO and Py_FPROTO.
Tim Peters <tim.peters@gmail.com>
parents: 13256
diff changeset
124 PyObject *, PyObject *, PyObject *);
38425
ca657e0bd09c needforspeed: backed out the Py_LOCAL-isation of ceval; the massive in-
Fredrik Lundh <fredrik@pythonware.com>
parents: 38418
diff changeset
125 static void set_exc_info(PyThreadState *, PyObject *, PyObject *, PyObject *);
ca657e0bd09c needforspeed: backed out the Py_LOCAL-isation of ceval; the massive in-
Fredrik Lundh <fredrik@pythonware.com>
parents: 38418
diff changeset
126 static void reset_exc_info(PyThreadState *);
ca657e0bd09c needforspeed: backed out the Py_LOCAL-isation of ceval; the massive in-
Fredrik Lundh <fredrik@pythonware.com>
parents: 38418
diff changeset
127 static void format_exc_check_arg(PyObject *, char *, PyObject *);
ca657e0bd09c needforspeed: backed out the Py_LOCAL-isation of ceval; the massive in-
Fredrik Lundh <fredrik@pythonware.com>
parents: 38418
diff changeset
128 static PyObject * string_concatenate(PyObject *, PyObject *,
32974
fb6ffd290cfb SF patch #980695: efficient string concatenation
Raymond Hettinger <python@rcn.com>
parents: 32900
diff changeset
129 PyFrameObject *, unsigned char *);
173
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
130
14268
cd8b815cb196 Better error message with UnboundLocalError
Paul Prescod <prescod@prescod.net>
parents: 14238
diff changeset
131 #define NAME_ERROR_MSG \
15318
8aa947e1eee8 Ka-Ping Yee <ping@lfw.org>:
Fred Drake <fdrake@acm.org>
parents: 15166
diff changeset
132 "name '%.200s' is not defined"
16257
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16017
diff changeset
133 #define GLOBAL_NAME_ERROR_MSG \
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16017
diff changeset
134 "global name '%.200s' is not defined"
14268
cd8b815cb196 Better error message with UnboundLocalError
Paul Prescod <prescod@prescod.net>
parents: 14238
diff changeset
135 #define UNBOUNDLOCAL_ERROR_MSG \
15318
8aa947e1eee8 Ka-Ping Yee <ping@lfw.org>:
Fred Drake <fdrake@acm.org>
parents: 15166
diff changeset
136 "local variable '%.200s' referenced before assignment"
17494
a34293ced63b Change error message raised when free variable is not yet bound. It
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17490
diff changeset
137 #define UNBOUNDFREE_ERROR_MSG \
a34293ced63b Change error message raised when free variable is not yet bound. It
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17490
diff changeset
138 "free variable '%.200s' referenced before assignment" \
a34293ced63b Change error message raised when free variable is not yet bound. It
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17490
diff changeset
139 " in enclosing scope"
173
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
140
5049
946b2b2a7622 Patches for (two forms of) optional dynamic execution profiling --
Guido van Rossum <guido@python.org>
parents: 5048
diff changeset
141 /* Dynamic execution profile */
946b2b2a7622 Patches for (two forms of) optional dynamic execution profiling --
Guido van Rossum <guido@python.org>
parents: 5048
diff changeset
142 #ifdef DYNAMIC_EXECUTION_PROFILE
946b2b2a7622 Patches for (two forms of) optional dynamic execution profiling --
Guido van Rossum <guido@python.org>
parents: 5048
diff changeset
143 #ifdef DXPAIRS
946b2b2a7622 Patches for (two forms of) optional dynamic execution profiling --
Guido van Rossum <guido@python.org>
parents: 5048
diff changeset
144 static long dxpairs[257][256];
946b2b2a7622 Patches for (two forms of) optional dynamic execution profiling --
Guido van Rossum <guido@python.org>
parents: 5048
diff changeset
145 #define dxp dxpairs[256]
946b2b2a7622 Patches for (two forms of) optional dynamic execution profiling --
Guido van Rossum <guido@python.org>
parents: 5048
diff changeset
146 #else
946b2b2a7622 Patches for (two forms of) optional dynamic execution profiling --
Guido van Rossum <guido@python.org>
parents: 5048
diff changeset
147 static long dxp[256];
946b2b2a7622 Patches for (two forms of) optional dynamic execution profiling --
Guido van Rossum <guido@python.org>
parents: 5048
diff changeset
148 #endif
946b2b2a7622 Patches for (two forms of) optional dynamic execution profiling --
Guido van Rossum <guido@python.org>
parents: 5048
diff changeset
149 #endif
946b2b2a7622 Patches for (two forms of) optional dynamic execution profiling --
Guido van Rossum <guido@python.org>
parents: 5048
diff changeset
150
27712
16856c9514e0 Small function call optimization and special build option for call stats.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 27295
diff changeset
151 /* Function call profile */
16856c9514e0 Small function call optimization and special build option for call stats.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 27295
diff changeset
152 #ifdef CALL_PROFILE
16856c9514e0 Small function call optimization and special build option for call stats.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 27295
diff changeset
153 #define PCALL_NUM 11
16856c9514e0 Small function call optimization and special build option for call stats.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 27295
diff changeset
154 static int pcall[PCALL_NUM];
16856c9514e0 Small function call optimization and special build option for call stats.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 27295
diff changeset
155
16856c9514e0 Small function call optimization and special build option for call stats.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 27295
diff changeset
156 #define PCALL_ALL 0
16856c9514e0 Small function call optimization and special build option for call stats.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 27295
diff changeset
157 #define PCALL_FUNCTION 1
16856c9514e0 Small function call optimization and special build option for call stats.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 27295
diff changeset
158 #define PCALL_FAST_FUNCTION 2
16856c9514e0 Small function call optimization and special build option for call stats.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 27295
diff changeset
159 #define PCALL_FASTER_FUNCTION 3
16856c9514e0 Small function call optimization and special build option for call stats.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 27295
diff changeset
160 #define PCALL_METHOD 4
16856c9514e0 Small function call optimization and special build option for call stats.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 27295
diff changeset
161 #define PCALL_BOUND_METHOD 5
16856c9514e0 Small function call optimization and special build option for call stats.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 27295
diff changeset
162 #define PCALL_CFUNCTION 6
16856c9514e0 Small function call optimization and special build option for call stats.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 27295
diff changeset
163 #define PCALL_TYPE 7
16856c9514e0 Small function call optimization and special build option for call stats.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 27295
diff changeset
164 #define PCALL_GENERATOR 8
16856c9514e0 Small function call optimization and special build option for call stats.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 27295
diff changeset
165 #define PCALL_OTHER 9
16856c9514e0 Small function call optimization and special build option for call stats.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 27295
diff changeset
166 #define PCALL_POP 10
16856c9514e0 Small function call optimization and special build option for call stats.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 27295
diff changeset
167
16856c9514e0 Small function call optimization and special build option for call stats.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 27295
diff changeset
168 /* Notes about the statistics
16856c9514e0 Small function call optimization and special build option for call stats.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 27295
diff changeset
169
16856c9514e0 Small function call optimization and special build option for call stats.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 27295
diff changeset
170 PCALL_FAST stats
16856c9514e0 Small function call optimization and special build option for call stats.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 27295
diff changeset
171
16856c9514e0 Small function call optimization and special build option for call stats.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 27295
diff changeset
172 FAST_FUNCTION means no argument tuple needs to be created.
16856c9514e0 Small function call optimization and special build option for call stats.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 27295
diff changeset
173 FASTER_FUNCTION means that the fast-path frame setup code is used.
16856c9514e0 Small function call optimization and special build option for call stats.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 27295
diff changeset
174
16856c9514e0 Small function call optimization and special build option for call stats.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 27295
diff changeset
175 If there is a method call where the call can be optimized by changing
16856c9514e0 Small function call optimization and special build option for call stats.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 27295
diff changeset
176 the argument tuple and calling the function directly, it gets recorded
16856c9514e0 Small function call optimization and special build option for call stats.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 27295
diff changeset
177 twice.
16856c9514e0 Small function call optimization and special build option for call stats.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 27295
diff changeset
178
16856c9514e0 Small function call optimization and special build option for call stats.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 27295
diff changeset
179 As a result, the relationship among the statistics appears to be
16856c9514e0 Small function call optimization and special build option for call stats.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 27295
diff changeset
180 PCALL_ALL == PCALL_FUNCTION + PCALL_METHOD - PCALL_BOUND_METHOD +
16856c9514e0 Small function call optimization and special build option for call stats.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 27295
diff changeset
181 PCALL_CFUNCTION + PCALL_TYPE + PCALL_GENERATOR + PCALL_OTHER
16856c9514e0 Small function call optimization and special build option for call stats.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 27295
diff changeset
182 PCALL_FUNCTION > PCALL_FAST_FUNCTION > PCALL_FASTER_FUNCTION
16856c9514e0 Small function call optimization and special build option for call stats.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 27295
diff changeset
183 PCALL_METHOD > PCALL_BOUND_METHOD
16856c9514e0 Small function call optimization and special build option for call stats.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 27295
diff changeset
184 */
16856c9514e0 Small function call optimization and special build option for call stats.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 27295
diff changeset
185
16856c9514e0 Small function call optimization and special build option for call stats.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 27295
diff changeset
186 #define PCALL(POS) pcall[POS]++
16856c9514e0 Small function call optimization and special build option for call stats.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 27295
diff changeset
187
16856c9514e0 Small function call optimization and special build option for call stats.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 27295
diff changeset
188 PyObject *
16856c9514e0 Small function call optimization and special build option for call stats.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 27295
diff changeset
189 PyEval_GetCallStats(PyObject *self)
16856c9514e0 Small function call optimization and special build option for call stats.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 27295
diff changeset
190 {
40193
e2e80a016945 [Bug #1542016] Report PCALL_POP value. This makes the return value of sys.callstats() match its docstring.
Andrew M. Kuchling <amk@amk.ca>
parents: 39466
diff changeset
191 return Py_BuildValue("iiiiiiiiiii",
27712
16856c9514e0 Small function call optimization and special build option for call stats.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 27295
diff changeset
192 pcall[0], pcall[1], pcall[2], pcall[3],
16856c9514e0 Small function call optimization and special build option for call stats.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 27295
diff changeset
193 pcall[4], pcall[5], pcall[6], pcall[7],
40193
e2e80a016945 [Bug #1542016] Report PCALL_POP value. This makes the return value of sys.callstats() match its docstring.
Andrew M. Kuchling <amk@amk.ca>
parents: 39466
diff changeset
194 pcall[8], pcall[9], pcall[10]);
27712
16856c9514e0 Small function call optimization and special build option for call stats.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 27295
diff changeset
195 }
16856c9514e0 Small function call optimization and special build option for call stats.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 27295
diff changeset
196 #else
16856c9514e0 Small function call optimization and special build option for call stats.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 27295
diff changeset
197 #define PCALL(O)
16856c9514e0 Small function call optimization and special build option for call stats.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 27295
diff changeset
198
16856c9514e0 Small function call optimization and special build option for call stats.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 27295
diff changeset
199 PyObject *
16856c9514e0 Small function call optimization and special build option for call stats.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 27295
diff changeset
200 PyEval_GetCallStats(PyObject *self)
16856c9514e0 Small function call optimization and special build option for call stats.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 27295
diff changeset
201 {
16856c9514e0 Small function call optimization and special build option for call stats.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 27295
diff changeset
202 Py_INCREF(Py_None);
16856c9514e0 Small function call optimization and special build option for call stats.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 27295
diff changeset
203 return Py_None;
16856c9514e0 Small function call optimization and special build option for call stats.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 27295
diff changeset
204 }
16856c9514e0 Small function call optimization and special build option for call stats.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 27295
diff changeset
205 #endif
16856c9514e0 Small function call optimization and special build option for call stats.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 27295
diff changeset
206
18148
7bc473b2c654 Merging the gen-branch into the main line, at Guido's direction. Yay!
Tim Peters <tim.peters@gmail.com>
parents: 18136
diff changeset
207
1846
5243fb187d36 call_object: print message before abort()
Guido van Rossum <guido@python.org>
parents: 1425
diff changeset
208 #ifdef WITH_THREAD
923
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents: 815
diff changeset
209
38716
42808526511c Patch #1495999: Part two of Windows CE changes.
Martin v. Löwis <martin@v.loewis.de>
parents: 38536
diff changeset
210 #ifdef HAVE_ERRNO_H
923
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents: 815
diff changeset
211 #include <errno.h>
10530
d834ecdf8c26 Changes by Mark Hammond for Windows CE. Mostly of the form
Guido van Rossum <guido@python.org>
parents: 10363
diff changeset
212 #endif
9203
07dae6fdae79 Renamed thread.h to pythread.h.
Guido van Rossum <guido@python.org>
parents: 9048
diff changeset
213 #include "pythread.h"
926
c156d4960c2b * Makefile: cosmetics
Guido van Rossum <guido@python.org>
parents: 923
diff changeset
214
29643
fa97293533a9 Add PyThreadState_SetAsyncExc(long, PyObject *).
Guido van Rossum <guido@python.org>
parents: 29349
diff changeset
215 static PyThread_type_lock interpreter_lock = 0; /* This is the GIL */
1887
e7c6a18381d9 * Python/ceval.c (eval_code): added registry of pending functions
Guido van Rossum <guido@python.org>
parents: 1846
diff changeset
216 static long main_thread = 0;
923
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents: 815
diff changeset
217
33715
a46b76eb9053 SF patch 1044089: New C API function PyEval_ThreadsInitialized(), by Nick
Tim Peters <tim.peters@gmail.com>
parents: 33501
diff changeset
218 int
a46b76eb9053 SF patch 1044089: New C API function PyEval_ThreadsInitialized(), by Nick
Tim Peters <tim.peters@gmail.com>
parents: 33501
diff changeset
219 PyEval_ThreadsInitialized(void)
a46b76eb9053 SF patch 1044089: New C API function PyEval_ThreadsInitialized(), by Nick
Tim Peters <tim.peters@gmail.com>
parents: 33501
diff changeset
220 {
a46b76eb9053 SF patch 1044089: New C API function PyEval_ThreadsInitialized(), by Nick
Tim Peters <tim.peters@gmail.com>
parents: 33501
diff changeset
221 return interpreter_lock != 0;
a46b76eb9053 SF patch 1044089: New C API function PyEval_ThreadsInitialized(), by Nick
Tim Peters <tim.peters@gmail.com>
parents: 33501
diff changeset
222 }
a46b76eb9053 SF patch 1044089: New C API function PyEval_ThreadsInitialized(), by Nick
Tim Peters <tim.peters@gmail.com>
parents: 33501
diff changeset
223
923
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents: 815
diff changeset
224 void
13658
f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern'
Thomas Wouters <thomas@python.org>
parents: 13620
diff changeset
225 PyEval_InitThreads(void)
923
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents: 815
diff changeset
226 {
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents: 815
diff changeset
227 if (interpreter_lock)
1179
9ae65ee09735 Various changes.
Sjoerd Mullender <sjoerd@acm.org>
parents: 1132
diff changeset
228 return;
9679
877d23bd5bdc Thanks to Chris Herborth, the thread primitives now have proper Py*
Guido van Rossum <guido@python.org>
parents: 9671
diff changeset
229 interpreter_lock = PyThread_allocate_lock();
877d23bd5bdc Thanks to Chris Herborth, the thread primitives now have proper Py*
Guido van Rossum <guido@python.org>
parents: 9671
diff changeset
230 PyThread_acquire_lock(interpreter_lock, 1);
877d23bd5bdc Thanks to Chris Herborth, the thread primitives now have proper Py*
Guido van Rossum <guido@python.org>
parents: 9671
diff changeset
231 main_thread = PyThread_get_thread_ident();
926
c156d4960c2b * Makefile: cosmetics
Guido van Rossum <guido@python.org>
parents: 923
diff changeset
232 }
c156d4960c2b * Makefile: cosmetics
Guido van Rossum <guido@python.org>
parents: 923
diff changeset
233
5865
9841bce37c4d Moved PyEval_{Acquire,Release}Thread() to within the same #ifdef
Guido van Rossum <guido@python.org>
parents: 5846
diff changeset
234 void
13658
f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern'
Thomas Wouters <thomas@python.org>
parents: 13620
diff changeset
235 PyEval_AcquireLock(void)
5926
8d2194e22e67 The last of the mass checkins for separate (sub)interpreters.
Guido van Rossum <guido@python.org>
parents: 5911
diff changeset
236 {
9679
877d23bd5bdc Thanks to Chris Herborth, the thread primitives now have proper Py*
Guido van Rossum <guido@python.org>
parents: 9671
diff changeset
237 PyThread_acquire_lock(interpreter_lock, 1);
5926
8d2194e22e67 The last of the mass checkins for separate (sub)interpreters.
Guido van Rossum <guido@python.org>
parents: 5911
diff changeset
238 }
8d2194e22e67 The last of the mass checkins for separate (sub)interpreters.
Guido van Rossum <guido@python.org>
parents: 5911
diff changeset
239
8d2194e22e67 The last of the mass checkins for separate (sub)interpreters.
Guido van Rossum <guido@python.org>
parents: 5911
diff changeset
240 void
13658
f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern'
Thomas Wouters <thomas@python.org>
parents: 13620
diff changeset
241 PyEval_ReleaseLock(void)
5926
8d2194e22e67 The last of the mass checkins for separate (sub)interpreters.
Guido van Rossum <guido@python.org>
parents: 5911
diff changeset
242 {
9679
877d23bd5bdc Thanks to Chris Herborth, the thread primitives now have proper Py*
Guido van Rossum <guido@python.org>
parents: 9671
diff changeset
243 PyThread_release_lock(interpreter_lock);
5926
8d2194e22e67 The last of the mass checkins for separate (sub)interpreters.
Guido van Rossum <guido@python.org>
parents: 5911
diff changeset
244 }
8d2194e22e67 The last of the mass checkins for separate (sub)interpreters.
Guido van Rossum <guido@python.org>
parents: 5911
diff changeset
245
8d2194e22e67 The last of the mass checkins for separate (sub)interpreters.
Guido van Rossum <guido@python.org>
parents: 5911
diff changeset
246 void
13658
f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern'
Thomas Wouters <thomas@python.org>
parents: 13620
diff changeset
247 PyEval_AcquireThread(PyThreadState *tstate)
5865
9841bce37c4d Moved PyEval_{Acquire,Release}Thread() to within the same #ifdef
Guido van Rossum <guido@python.org>
parents: 5846
diff changeset
248 {
9841bce37c4d Moved PyEval_{Acquire,Release}Thread() to within the same #ifdef
Guido van Rossum <guido@python.org>
parents: 5846
diff changeset
249 if (tstate == NULL)
9841bce37c4d Moved PyEval_{Acquire,Release}Thread() to within the same #ifdef
Guido van Rossum <guido@python.org>
parents: 5846
diff changeset
250 Py_FatalError("PyEval_AcquireThread: NULL new thread state");
28694
a4154dd5939a New PyGILState_ API - implements pep 311, from patch 684256.
Mark Hammond <mhammond@skippinet.com.au>
parents: 28556
diff changeset
251 /* Check someone has called PyEval_InitThreads() to create the lock */
a4154dd5939a New PyGILState_ API - implements pep 311, from patch 684256.
Mark Hammond <mhammond@skippinet.com.au>
parents: 28556
diff changeset
252 assert(interpreter_lock);
9679
877d23bd5bdc Thanks to Chris Herborth, the thread primitives now have proper Py*
Guido van Rossum <guido@python.org>
parents: 9671
diff changeset
253 PyThread_acquire_lock(interpreter_lock, 1);
5865
9841bce37c4d Moved PyEval_{Acquire,Release}Thread() to within the same #ifdef
Guido van Rossum <guido@python.org>
parents: 5846
diff changeset
254 if (PyThreadState_Swap(tstate) != NULL)
9841bce37c4d Moved PyEval_{Acquire,Release}Thread() to within the same #ifdef
Guido van Rossum <guido@python.org>
parents: 5846
diff changeset
255 Py_FatalError(
9841bce37c4d Moved PyEval_{Acquire,Release}Thread() to within the same #ifdef
Guido van Rossum <guido@python.org>
parents: 5846
diff changeset
256 "PyEval_AcquireThread: non-NULL old thread state");
9841bce37c4d Moved PyEval_{Acquire,Release}Thread() to within the same #ifdef
Guido van Rossum <guido@python.org>
parents: 5846
diff changeset
257 }
9841bce37c4d Moved PyEval_{Acquire,Release}Thread() to within the same #ifdef
Guido van Rossum <guido@python.org>
parents: 5846
diff changeset
258
9841bce37c4d Moved PyEval_{Acquire,Release}Thread() to within the same #ifdef
Guido van Rossum <guido@python.org>
parents: 5846
diff changeset
259 void
13658
f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern'
Thomas Wouters <thomas@python.org>
parents: 13620
diff changeset
260 PyEval_ReleaseThread(PyThreadState *tstate)
5865
9841bce37c4d Moved PyEval_{Acquire,Release}Thread() to within the same #ifdef
Guido van Rossum <guido@python.org>
parents: 5846
diff changeset
261 {
9841bce37c4d Moved PyEval_{Acquire,Release}Thread() to within the same #ifdef
Guido van Rossum <guido@python.org>
parents: 5846
diff changeset
262 if (tstate == NULL)
9841bce37c4d Moved PyEval_{Acquire,Release}Thread() to within the same #ifdef
Guido van Rossum <guido@python.org>
parents: 5846
diff changeset
263 Py_FatalError("PyEval_ReleaseThread: NULL thread state");
9841bce37c4d Moved PyEval_{Acquire,Release}Thread() to within the same #ifdef
Guido van Rossum <guido@python.org>
parents: 5846
diff changeset
264 if (PyThreadState_Swap(NULL) != tstate)
9841bce37c4d Moved PyEval_{Acquire,Release}Thread() to within the same #ifdef
Guido van Rossum <guido@python.org>
parents: 5846
diff changeset
265 Py_FatalError("PyEval_ReleaseThread: wrong thread state");
9679
877d23bd5bdc Thanks to Chris Herborth, the thread primitives now have proper Py*
Guido van Rossum <guido@python.org>
parents: 9671
diff changeset
266 PyThread_release_lock(interpreter_lock);
5865
9841bce37c4d Moved PyEval_{Acquire,Release}Thread() to within the same #ifdef
Guido van Rossum <guido@python.org>
parents: 5846
diff changeset
267 }
14225
cbe9590d2344 Charles Waldman's patch to reinitialize the interpreter lock after a
Guido van Rossum <guido@python.org>
parents: 14163
diff changeset
268
cbe9590d2344 Charles Waldman's patch to reinitialize the interpreter lock after a
Guido van Rossum <guido@python.org>
parents: 14163
diff changeset
269 /* This function is called from PyOS_AfterFork to ensure that newly
cbe9590d2344 Charles Waldman's patch to reinitialize the interpreter lock after a
Guido van Rossum <guido@python.org>
parents: 14163
diff changeset
270 created child processes don't hold locks referring to threads which
cbe9590d2344 Charles Waldman's patch to reinitialize the interpreter lock after a
Guido van Rossum <guido@python.org>
parents: 14163
diff changeset
271 are not running in the child process. (This could also be done using
cbe9590d2344 Charles Waldman's patch to reinitialize the interpreter lock after a
Guido van Rossum <guido@python.org>
parents: 14163
diff changeset
272 pthread_atfork mechanism, at least for the pthreads implementation.) */
cbe9590d2344 Charles Waldman's patch to reinitialize the interpreter lock after a
Guido van Rossum <guido@python.org>
parents: 14163
diff changeset
273
cbe9590d2344 Charles Waldman's patch to reinitialize the interpreter lock after a
Guido van Rossum <guido@python.org>
parents: 14163
diff changeset
274 void
cbe9590d2344 Charles Waldman's patch to reinitialize the interpreter lock after a
Guido van Rossum <guido@python.org>
parents: 14163
diff changeset
275 PyEval_ReInitThreads(void)
cbe9590d2344 Charles Waldman's patch to reinitialize the interpreter lock after a
Guido van Rossum <guido@python.org>
parents: 14163
diff changeset
276 {
47985
09beb96ba20d Apply patch for 874900: threading module can deadlock after fork
Jesse Noller <jnoller@gmail.com>
parents: 47886
diff changeset
277 PyObject *threading, *result;
09beb96ba20d Apply patch for 874900: threading module can deadlock after fork
Jesse Noller <jnoller@gmail.com>
parents: 47886
diff changeset
278 PyThreadState *tstate;
09beb96ba20d Apply patch for 874900: threading module can deadlock after fork
Jesse Noller <jnoller@gmail.com>
parents: 47886
diff changeset
279
14225
cbe9590d2344 Charles Waldman's patch to reinitialize the interpreter lock after a
Guido van Rossum <guido@python.org>
parents: 14163
diff changeset
280 if (!interpreter_lock)
cbe9590d2344 Charles Waldman's patch to reinitialize the interpreter lock after a
Guido van Rossum <guido@python.org>
parents: 14163
diff changeset
281 return;
cbe9590d2344 Charles Waldman's patch to reinitialize the interpreter lock after a
Guido van Rossum <guido@python.org>
parents: 14163
diff changeset
282 /*XXX Can't use PyThread_free_lock here because it does too
cbe9590d2344 Charles Waldman's patch to reinitialize the interpreter lock after a
Guido van Rossum <guido@python.org>
parents: 14163
diff changeset
283 much error-checking. Doing this cleanly would require
cbe9590d2344 Charles Waldman's patch to reinitialize the interpreter lock after a
Guido van Rossum <guido@python.org>
parents: 14163
diff changeset
284 adding a new function to each thread_*.h. Instead, just
cbe9590d2344 Charles Waldman's patch to reinitialize the interpreter lock after a
Guido van Rossum <guido@python.org>
parents: 14163
diff changeset
285 create a new lock and waste a little bit of memory */
cbe9590d2344 Charles Waldman's patch to reinitialize the interpreter lock after a
Guido van Rossum <guido@python.org>
parents: 14163
diff changeset
286 interpreter_lock = PyThread_allocate_lock();
cbe9590d2344 Charles Waldman's patch to reinitialize the interpreter lock after a
Guido van Rossum <guido@python.org>
parents: 14163
diff changeset
287 PyThread_acquire_lock(interpreter_lock, 1);
cbe9590d2344 Charles Waldman's patch to reinitialize the interpreter lock after a
Guido van Rossum <guido@python.org>
parents: 14163
diff changeset
288 main_thread = PyThread_get_thread_ident();
47985
09beb96ba20d Apply patch for 874900: threading module can deadlock after fork
Jesse Noller <jnoller@gmail.com>
parents: 47886
diff changeset
289
09beb96ba20d Apply patch for 874900: threading module can deadlock after fork
Jesse Noller <jnoller@gmail.com>
parents: 47886
diff changeset
290 /* Update the threading module with the new state.
09beb96ba20d Apply patch for 874900: threading module can deadlock after fork
Jesse Noller <jnoller@gmail.com>
parents: 47886
diff changeset
291 */
09beb96ba20d Apply patch for 874900: threading module can deadlock after fork
Jesse Noller <jnoller@gmail.com>
parents: 47886
diff changeset
292 tstate = PyThreadState_GET();
09beb96ba20d Apply patch for 874900: threading module can deadlock after fork
Jesse Noller <jnoller@gmail.com>
parents: 47886
diff changeset
293 threading = PyMapping_GetItemString(tstate->interp->modules,
09beb96ba20d Apply patch for 874900: threading module can deadlock after fork
Jesse Noller <jnoller@gmail.com>
parents: 47886
diff changeset
294 "threading");
09beb96ba20d Apply patch for 874900: threading module can deadlock after fork
Jesse Noller <jnoller@gmail.com>
parents: 47886
diff changeset
295 if (threading == NULL) {
09beb96ba20d Apply patch for 874900: threading module can deadlock after fork
Jesse Noller <jnoller@gmail.com>
parents: 47886
diff changeset
296 /* threading not imported */
09beb96ba20d Apply patch for 874900: threading module can deadlock after fork
Jesse Noller <jnoller@gmail.com>
parents: 47886
diff changeset
297 PyErr_Clear();
09beb96ba20d Apply patch for 874900: threading module can deadlock after fork
Jesse Noller <jnoller@gmail.com>
parents: 47886
diff changeset
298 return;
09beb96ba20d Apply patch for 874900: threading module can deadlock after fork
Jesse Noller <jnoller@gmail.com>
parents: 47886
diff changeset
299 }
09beb96ba20d Apply patch for 874900: threading module can deadlock after fork
Jesse Noller <jnoller@gmail.com>
parents: 47886
diff changeset
300 result = PyObject_CallMethod(threading, "_after_fork", NULL);
09beb96ba20d Apply patch for 874900: threading module can deadlock after fork
Jesse Noller <jnoller@gmail.com>
parents: 47886
diff changeset
301 if (result == NULL)
09beb96ba20d Apply patch for 874900: threading module can deadlock after fork
Jesse Noller <jnoller@gmail.com>
parents: 47886
diff changeset
302 PyErr_WriteUnraisable(threading);
09beb96ba20d Apply patch for 874900: threading module can deadlock after fork
Jesse Noller <jnoller@gmail.com>
parents: 47886
diff changeset
303 else
09beb96ba20d Apply patch for 874900: threading module can deadlock after fork
Jesse Noller <jnoller@gmail.com>
parents: 47886
diff changeset
304 Py_DECREF(result);
09beb96ba20d Apply patch for 874900: threading module can deadlock after fork
Jesse Noller <jnoller@gmail.com>
parents: 47886
diff changeset
305 Py_DECREF(threading);
14225
cbe9590d2344 Charles Waldman's patch to reinitialize the interpreter lock after a
Guido van Rossum <guido@python.org>
parents: 14163
diff changeset
306 }
923
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents: 815
diff changeset
307 #endif
926
c156d4960c2b * Makefile: cosmetics
Guido van Rossum <guido@python.org>
parents: 923
diff changeset
308
c156d4960c2b * Makefile: cosmetics
Guido van Rossum <guido@python.org>
parents: 923
diff changeset
309 /* Functions save_thread and restore_thread are always defined so
c156d4960c2b * Makefile: cosmetics
Guido van Rossum <guido@python.org>
parents: 923
diff changeset
310 dynamically loaded modules needn't be compiled separately for use
c156d4960c2b * Makefile: cosmetics
Guido van Rossum <guido@python.org>
parents: 923
diff changeset
311 with and without threads: */
923
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents: 815
diff changeset
312
5846
852a1fa62a7c PyEval_SaveThread() and PyEval_RestoreThread() now return/take a
Guido van Rossum <guido@python.org>
parents: 5829
diff changeset
313 PyThreadState *
13658
f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern'
Thomas Wouters <thomas@python.org>
parents: 13620
diff changeset
314 PyEval_SaveThread(void)
923
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents: 815
diff changeset
315 {
6365
21b93d98926b Change PyEval_SaveThread() and PyEval_RestoreThread() to always do the
Guido van Rossum <guido@python.org>
parents: 6243
diff changeset
316 PyThreadState *tstate = PyThreadState_Swap(NULL);
21b93d98926b Change PyEval_SaveThread() and PyEval_RestoreThread() to always do the
Guido van Rossum <guido@python.org>
parents: 6243
diff changeset
317 if (tstate == NULL)
21b93d98926b Change PyEval_SaveThread() and PyEval_RestoreThread() to always do the
Guido van Rossum <guido@python.org>
parents: 6243
diff changeset
318 Py_FatalError("PyEval_SaveThread: NULL tstate");
1846
5243fb187d36 call_object: print message before abort()
Guido van Rossum <guido@python.org>
parents: 1425
diff changeset
319 #ifdef WITH_THREAD
6365
21b93d98926b Change PyEval_SaveThread() and PyEval_RestoreThread() to always do the
Guido van Rossum <guido@python.org>
parents: 6243
diff changeset
320 if (interpreter_lock)
9679
877d23bd5bdc Thanks to Chris Herborth, the thread primitives now have proper Py*
Guido van Rossum <guido@python.org>
parents: 9671
diff changeset
321 PyThread_release_lock(interpreter_lock);
923
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents: 815
diff changeset
322 #endif
6365
21b93d98926b Change PyEval_SaveThread() and PyEval_RestoreThread() to always do the
Guido van Rossum <guido@python.org>
parents: 6243
diff changeset
323 return tstate;
923
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents: 815
diff changeset
324 }
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents: 815
diff changeset
325
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents: 815
diff changeset
326 void
13658
f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern'
Thomas Wouters <thomas@python.org>
parents: 13620
diff changeset
327 PyEval_RestoreThread(PyThreadState *tstate)
923
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents: 815
diff changeset
328 {
6365
21b93d98926b Change PyEval_SaveThread() and PyEval_RestoreThread() to always do the
Guido van Rossum <guido@python.org>
parents: 6243
diff changeset
329 if (tstate == NULL)
21b93d98926b Change PyEval_SaveThread() and PyEval_RestoreThread() to always do the
Guido van Rossum <guido@python.org>
parents: 6243
diff changeset
330 Py_FatalError("PyEval_RestoreThread: NULL tstate");
1846
5243fb187d36 call_object: print message before abort()
Guido van Rossum <guido@python.org>
parents: 1425
diff changeset
331 #ifdef WITH_THREAD
923
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents: 815
diff changeset
332 if (interpreter_lock) {
6365
21b93d98926b Change PyEval_SaveThread() and PyEval_RestoreThread() to always do the
Guido van Rossum <guido@python.org>
parents: 6243
diff changeset
333 int err = errno;
9679
877d23bd5bdc Thanks to Chris Herborth, the thread primitives now have proper Py*
Guido van Rossum <guido@python.org>
parents: 9671
diff changeset
334 PyThread_acquire_lock(interpreter_lock, 1);
923
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents: 815
diff changeset
335 errno = err;
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents: 815
diff changeset
336 }
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents: 815
diff changeset
337 #endif
6365
21b93d98926b Change PyEval_SaveThread() and PyEval_RestoreThread() to always do the
Guido van Rossum <guido@python.org>
parents: 6243
diff changeset
338 PyThreadState_Swap(tstate);
923
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents: 815
diff changeset
339 }
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents: 815
diff changeset
340
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents: 815
diff changeset
341
1887
e7c6a18381d9 * Python/ceval.c (eval_code): added registry of pending functions
Guido van Rossum <guido@python.org>
parents: 1846
diff changeset
342 /* Mechanism whereby asynchronously executing callbacks (e.g. UNIX
e7c6a18381d9 * Python/ceval.c (eval_code): added registry of pending functions
Guido van Rossum <guido@python.org>
parents: 1846
diff changeset
343 signal handlers or Mac I/O completion routines) can schedule calls
e7c6a18381d9 * Python/ceval.c (eval_code): added registry of pending functions
Guido van Rossum <guido@python.org>
parents: 1846
diff changeset
344 to a function to be called synchronously.
e7c6a18381d9 * Python/ceval.c (eval_code): added registry of pending functions
Guido van Rossum <guido@python.org>
parents: 1846
diff changeset
345 The synchronous function is called with one void* argument.
e7c6a18381d9 * Python/ceval.c (eval_code): added registry of pending functions
Guido van Rossum <guido@python.org>
parents: 1846
diff changeset
346 It should return 0 for success or -1 for failure -- failure should
e7c6a18381d9 * Python/ceval.c (eval_code): added registry of pending functions
Guido van Rossum <guido@python.org>
parents: 1846
diff changeset
347 be accompanied by an exception.
e7c6a18381d9 * Python/ceval.c (eval_code): added registry of pending functions
Guido van Rossum <guido@python.org>
parents: 1846
diff changeset
348
e7c6a18381d9 * Python/ceval.c (eval_code): added registry of pending functions
Guido van Rossum <guido@python.org>
parents: 1846
diff changeset
349 If registry succeeds, the registry function returns 0; if it fails
e7c6a18381d9 * Python/ceval.c (eval_code): added registry of pending functions
Guido van Rossum <guido@python.org>
parents: 1846
diff changeset
350 (e.g. due to too many pending calls) it returns -1 (without setting
e7c6a18381d9 * Python/ceval.c (eval_code): added registry of pending functions
Guido van Rossum <guido@python.org>
parents: 1846
diff changeset
351 an exception condition).
e7c6a18381d9 * Python/ceval.c (eval_code): added registry of pending functions
Guido van Rossum <guido@python.org>
parents: 1846
diff changeset
352
e7c6a18381d9 * Python/ceval.c (eval_code): added registry of pending functions
Guido van Rossum <guido@python.org>
parents: 1846
diff changeset
353 Note that because registry may occur from within signal handlers,
e7c6a18381d9 * Python/ceval.c (eval_code): added registry of pending functions
Guido van Rossum <guido@python.org>
parents: 1846
diff changeset
354 or other asynchronous events, calling malloc() is unsafe!
e7c6a18381d9 * Python/ceval.c (eval_code): added registry of pending functions
Guido van Rossum <guido@python.org>
parents: 1846
diff changeset
355
e7c6a18381d9 * Python/ceval.c (eval_code): added registry of pending functions
Guido van Rossum <guido@python.org>
parents: 1846
diff changeset
356 #ifdef WITH_THREAD
e7c6a18381d9 * Python/ceval.c (eval_code): added registry of pending functions
Guido van Rossum <guido@python.org>
parents: 1846
diff changeset
357 Any thread can schedule pending calls, but only the main thread
e7c6a18381d9 * Python/ceval.c (eval_code): added registry of pending functions
Guido van Rossum <guido@python.org>
parents: 1846
diff changeset
358 will execute them.
e7c6a18381d9 * Python/ceval.c (eval_code): added registry of pending functions
Guido van Rossum <guido@python.org>
parents: 1846
diff changeset
359 #endif
e7c6a18381d9 * Python/ceval.c (eval_code): added registry of pending functions
Guido van Rossum <guido@python.org>
parents: 1846
diff changeset
360
e7c6a18381d9 * Python/ceval.c (eval_code): added registry of pending functions
Guido van Rossum <guido@python.org>
parents: 1846
diff changeset
361 XXX WARNING! ASYNCHRONOUSLY EXECUTING CODE!
e7c6a18381d9 * Python/ceval.c (eval_code): added registry of pending functions
Guido van Rossum <guido@python.org>
parents: 1846
diff changeset
362 There are two possible race conditions:
e7c6a18381d9 * Python/ceval.c (eval_code): added registry of pending functions
Guido van Rossum <guido@python.org>
parents: 1846
diff changeset
363 (1) nested asynchronous registry calls;
e7c6a18381d9 * Python/ceval.c (eval_code): added registry of pending functions
Guido van Rossum <guido@python.org>
parents: 1846
diff changeset
364 (2) registry calls made while pending calls are being processed.
e7c6a18381d9 * Python/ceval.c (eval_code): added registry of pending functions
Guido van Rossum <guido@python.org>
parents: 1846
diff changeset
365 While (1) is very unlikely, (2) is a real possibility.
e7c6a18381d9 * Python/ceval.c (eval_code): added registry of pending functions
Guido van Rossum <guido@python.org>
parents: 1846
diff changeset
366 The current code is safe against (2), but not against (1).
e7c6a18381d9 * Python/ceval.c (eval_code): added registry of pending functions
Guido van Rossum <guido@python.org>
parents: 1846
diff changeset
367 The safety against (2) is derived from the fact that only one
e7c6a18381d9 * Python/ceval.c (eval_code): added registry of pending functions
Guido van Rossum <guido@python.org>
parents: 1846
diff changeset
368 thread (the main thread) ever takes things out of the queue.
5405
b7871ca930ad Massive changes for separate thread state management.
Guido van Rossum <guido@python.org>
parents: 5368
diff changeset
369
b7871ca930ad Massive changes for separate thread state management.
Guido van Rossum <guido@python.org>
parents: 5368
diff changeset
370 XXX Darn! With the advent of thread state, we should have an array
b7871ca930ad Massive changes for separate thread state management.
Guido van Rossum <guido@python.org>
parents: 5368
diff changeset
371 of pending calls per thread in the thread state! Later...
1887
e7c6a18381d9 * Python/ceval.c (eval_code): added registry of pending functions
Guido van Rossum <guido@python.org>
parents: 1846
diff changeset
372 */
e7c6a18381d9 * Python/ceval.c (eval_code): added registry of pending functions
Guido van Rossum <guido@python.org>
parents: 1846
diff changeset
373
e7c6a18381d9 * Python/ceval.c (eval_code): added registry of pending functions
Guido van Rossum <guido@python.org>
parents: 1846
diff changeset
374 #define NPENDINGCALLS 32
e7c6a18381d9 * Python/ceval.c (eval_code): added registry of pending functions
Guido van Rossum <guido@python.org>
parents: 1846
diff changeset
375 static struct {
13709
4e2aaf1e722a Use 'void' directly instead of the ANY #define, now that all code is ANSI C.
Thomas Wouters <thomas@python.org>
parents: 13658
diff changeset
376 int (*func)(void *);
4e2aaf1e722a Use 'void' directly instead of the ANY #define, now that all code is ANSI C.
Thomas Wouters <thomas@python.org>
parents: 13658
diff changeset
377 void *arg;
1887
e7c6a18381d9 * Python/ceval.c (eval_code): added registry of pending functions
Guido van Rossum <guido@python.org>
parents: 1846
diff changeset
378 } pendingcalls[NPENDINGCALLS];
e7c6a18381d9 * Python/ceval.c (eval_code): added registry of pending functions
Guido van Rossum <guido@python.org>
parents: 1846
diff changeset
379 static volatile int pendingfirst = 0;
e7c6a18381d9 * Python/ceval.c (eval_code): added registry of pending functions
Guido van Rossum <guido@python.org>
parents: 1846
diff changeset
380 static volatile int pendinglast = 0;
5405
b7871ca930ad Massive changes for separate thread state management.
Guido van Rossum <guido@python.org>
parents: 5368
diff changeset
381 static volatile int things_to_do = 0;
1887
e7c6a18381d9 * Python/ceval.c (eval_code): added registry of pending functions
Guido van Rossum <guido@python.org>
parents: 1846
diff changeset
382
e7c6a18381d9 * Python/ceval.c (eval_code): added registry of pending functions
Guido van Rossum <guido@python.org>
parents: 1846
diff changeset
383 int
13709
4e2aaf1e722a Use 'void' directly instead of the ANY #define, now that all code is ANSI C.
Thomas Wouters <thomas@python.org>
parents: 13658
diff changeset
384 Py_AddPendingCall(int (*func)(void *), void *arg)
1887
e7c6a18381d9 * Python/ceval.c (eval_code): added registry of pending functions
Guido van Rossum <guido@python.org>
parents: 1846
diff changeset
385 {
32526
78bd25b42d46 This closes patch:
Michael W. Hudson <mwh@python.net>
parents: 32463
diff changeset
386 static volatile int busy = 0;
1887
e7c6a18381d9 * Python/ceval.c (eval_code): added registry of pending functions
Guido van Rossum <guido@python.org>
parents: 1846
diff changeset
387 int i, j;
e7c6a18381d9 * Python/ceval.c (eval_code): added registry of pending functions
Guido van Rossum <guido@python.org>
parents: 1846
diff changeset
388 /* XXX Begin critical section */
e7c6a18381d9 * Python/ceval.c (eval_code): added registry of pending functions
Guido van Rossum <guido@python.org>
parents: 1846
diff changeset
389 /* XXX If you want this to be safe against nested
e7c6a18381d9 * Python/ceval.c (eval_code): added registry of pending functions
Guido van Rossum <guido@python.org>
parents: 1846
diff changeset
390 XXX asynchronous calls, you'll have to work harder! */
1914
893412101296 * Python/ceval.c, Include/ceval.h: promote MakePendingCalls to
Guido van Rossum <guido@python.org>
parents: 1887
diff changeset
391 if (busy)
893412101296 * Python/ceval.c, Include/ceval.h: promote MakePendingCalls to
Guido van Rossum <guido@python.org>
parents: 1887
diff changeset
392 return -1;
893412101296 * Python/ceval.c, Include/ceval.h: promote MakePendingCalls to
Guido van Rossum <guido@python.org>
parents: 1887
diff changeset
393 busy = 1;
1887
e7c6a18381d9 * Python/ceval.c (eval_code): added registry of pending functions
Guido van Rossum <guido@python.org>
parents: 1846
diff changeset
394 i = pendinglast;
e7c6a18381d9 * Python/ceval.c (eval_code): added registry of pending functions
Guido van Rossum <guido@python.org>
parents: 1846
diff changeset
395 j = (i + 1) % NPENDINGCALLS;
24284
d8909792005a SF patch 552161 - Py_AddPendingCall doesn't unlock on fail (Daniel
Guido van Rossum <guido@python.org>
parents: 24283
diff changeset
396 if (j == pendingfirst) {
d8909792005a SF patch 552161 - Py_AddPendingCall doesn't unlock on fail (Daniel
Guido van Rossum <guido@python.org>
parents: 24283
diff changeset
397 busy = 0;
1887
e7c6a18381d9 * Python/ceval.c (eval_code): added registry of pending functions
Guido van Rossum <guido@python.org>
parents: 1846
diff changeset
398 return -1; /* Queue full */
24284
d8909792005a SF patch 552161 - Py_AddPendingCall doesn't unlock on fail (Daniel
Guido van Rossum <guido@python.org>
parents: 24283
diff changeset
399 }
1887
e7c6a18381d9 * Python/ceval.c (eval_code): added registry of pending functions
Guido van Rossum <guido@python.org>
parents: 1846
diff changeset
400 pendingcalls[i].func = func;
e7c6a18381d9 * Python/ceval.c (eval_code): added registry of pending functions
Guido van Rossum <guido@python.org>
parents: 1846
diff changeset
401 pendingcalls[i].arg = arg;
e7c6a18381d9 * Python/ceval.c (eval_code): added registry of pending functions
Guido van Rossum <guido@python.org>
parents: 1846
diff changeset
402 pendinglast = j;
25108
3a26e352f0a6 replace thread state objects' ticker and checkinterval fields with two
Skip Montanaro <skip@pobox.com>
parents: 25078
diff changeset
403
3a26e352f0a6 replace thread state objects' ticker and checkinterval fields with two
Skip Montanaro <skip@pobox.com>
parents: 25078
diff changeset
404 _Py_Ticker = 0;
5405
b7871ca930ad Massive changes for separate thread state management.
Guido van Rossum <guido@python.org>
parents: 5368
diff changeset
405 things_to_do = 1; /* Signal main loop */
1914
893412101296 * Python/ceval.c, Include/ceval.h: promote MakePendingCalls to
Guido van Rossum <guido@python.org>
parents: 1887
diff changeset
406 busy = 0;
1887
e7c6a18381d9 * Python/ceval.c (eval_code): added registry of pending functions
Guido van Rossum <guido@python.org>
parents: 1846
diff changeset
407 /* XXX End critical section */
e7c6a18381d9 * Python/ceval.c (eval_code): added registry of pending functions
Guido van Rossum <guido@python.org>
parents: 1846
diff changeset
408 return 0;
e7c6a18381d9 * Python/ceval.c (eval_code): added registry of pending functions
Guido van Rossum <guido@python.org>
parents: 1846
diff changeset
409 }
e7c6a18381d9 * Python/ceval.c (eval_code): added registry of pending functions
Guido van Rossum <guido@python.org>
parents: 1846
diff changeset
410
1914
893412101296 * Python/ceval.c, Include/ceval.h: promote MakePendingCalls to
Guido van Rossum <guido@python.org>
parents: 1887
diff changeset
411 int
13658
f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern'
Thomas Wouters <thomas@python.org>
parents: 13620
diff changeset
412 Py_MakePendingCalls(void)
1887
e7c6a18381d9 * Python/ceval.c (eval_code): added registry of pending functions
Guido van Rossum <guido@python.org>
parents: 1846
diff changeset
413 {
1914
893412101296 * Python/ceval.c, Include/ceval.h: promote MakePendingCalls to
Guido van Rossum <guido@python.org>
parents: 1887
diff changeset
414 static int busy = 0;
1887
e7c6a18381d9 * Python/ceval.c (eval_code): added registry of pending functions
Guido van Rossum <guido@python.org>
parents: 1846
diff changeset
415 #ifdef WITH_THREAD
9679
877d23bd5bdc Thanks to Chris Herborth, the thread primitives now have proper Py*
Guido van Rossum <guido@python.org>
parents: 9671
diff changeset
416 if (main_thread && PyThread_get_thread_ident() != main_thread)
1887
e7c6a18381d9 * Python/ceval.c (eval_code): added registry of pending functions
Guido van Rossum <guido@python.org>
parents: 1846
diff changeset
417 return 0;
e7c6a18381d9 * Python/ceval.c (eval_code): added registry of pending functions
Guido van Rossum <guido@python.org>
parents: 1846
diff changeset
418 #endif
5405
b7871ca930ad Massive changes for separate thread state management.
Guido van Rossum <guido@python.org>
parents: 5368
diff changeset
419 if (busy)
1914
893412101296 * Python/ceval.c, Include/ceval.h: promote MakePendingCalls to
Guido van Rossum <guido@python.org>
parents: 1887
diff changeset
420 return 0;
893412101296 * Python/ceval.c, Include/ceval.h: promote MakePendingCalls to
Guido van Rossum <guido@python.org>
parents: 1887
diff changeset
421 busy = 1;
5405
b7871ca930ad Massive changes for separate thread state management.
Guido van Rossum <guido@python.org>
parents: 5368
diff changeset
422 things_to_do = 0;
1887
e7c6a18381d9 * Python/ceval.c (eval_code): added registry of pending functions
Guido van Rossum <guido@python.org>
parents: 1846
diff changeset
423 for (;;) {
e7c6a18381d9 * Python/ceval.c (eval_code): added registry of pending functions
Guido van Rossum <guido@python.org>
parents: 1846
diff changeset
424 int i;
13709
4e2aaf1e722a Use 'void' directly instead of the ANY #define, now that all code is ANSI C.
Thomas Wouters <thomas@python.org>
parents: 13658
diff changeset
425 int (*func)(void *);
4e2aaf1e722a Use 'void' directly instead of the ANY #define, now that all code is ANSI C.
Thomas Wouters <thomas@python.org>
parents: 13658
diff changeset
426 void *arg;
1887
e7c6a18381d9 * Python/ceval.c (eval_code): added registry of pending functions
Guido van Rossum <guido@python.org>
parents: 1846
diff changeset
427 i = pendingfirst;
e7c6a18381d9 * Python/ceval.c (eval_code): added registry of pending functions
Guido van Rossum <guido@python.org>
parents: 1846
diff changeset
428 if (i == pendinglast)
e7c6a18381d9 * Python/ceval.c (eval_code): added registry of pending functions
Guido van Rossum <guido@python.org>
parents: 1846
diff changeset
429 break; /* Queue empty */
e7c6a18381d9 * Python/ceval.c (eval_code): added registry of pending functions
Guido van Rossum <guido@python.org>
parents: 1846
diff changeset
430 func = pendingcalls[i].func;
e7c6a18381d9 * Python/ceval.c (eval_code): added registry of pending functions
Guido van Rossum <guido@python.org>
parents: 1846
diff changeset
431 arg = pendingcalls[i].arg;
e7c6a18381d9 * Python/ceval.c (eval_code): added registry of pending functions
Guido van Rossum <guido@python.org>
parents: 1846
diff changeset
432 pendingfirst = (i + 1) % NPENDINGCALLS;
1914
893412101296 * Python/ceval.c, Include/ceval.h: promote MakePendingCalls to
Guido van Rossum <guido@python.org>
parents: 1887
diff changeset
433 if (func(arg) < 0) {
893412101296 * Python/ceval.c, Include/ceval.h: promote MakePendingCalls to
Guido van Rossum <guido@python.org>
parents: 1887
diff changeset
434 busy = 0;
5405
b7871ca930ad Massive changes for separate thread state management.
Guido van Rossum <guido@python.org>
parents: 5368
diff changeset
435 things_to_do = 1; /* We're not done yet */
1887
e7c6a18381d9 * Python/ceval.c (eval_code): added registry of pending functions
Guido van Rossum <guido@python.org>
parents: 1846
diff changeset
436 return -1;
1914
893412101296 * Python/ceval.c, Include/ceval.h: promote MakePendingCalls to
Guido van Rossum <guido@python.org>
parents: 1887
diff changeset
437 }
1887
e7c6a18381d9 * Python/ceval.c (eval_code): added registry of pending functions
Guido van Rossum <guido@python.org>
parents: 1846
diff changeset
438 }
1914
893412101296 * Python/ceval.c, Include/ceval.h: promote MakePendingCalls to
Guido van Rossum <guido@python.org>
parents: 1887
diff changeset
439 busy = 0;
1887
e7c6a18381d9 * Python/ceval.c (eval_code): added registry of pending functions
Guido van Rossum <guido@python.org>
parents: 1846
diff changeset
440 return 0;
e7c6a18381d9 * Python/ceval.c (eval_code): added registry of pending functions
Guido van Rossum <guido@python.org>
parents: 1846
diff changeset
441 }
e7c6a18381d9 * Python/ceval.c (eval_code): added registry of pending functions
Guido van Rossum <guido@python.org>
parents: 1846
diff changeset
442
e7c6a18381d9 * Python/ceval.c (eval_code): added registry of pending functions
Guido van Rossum <guido@python.org>
parents: 1846
diff changeset
443
14308
b8b3f76ffd51 add user-modifiable recursion_limit
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 14268
diff changeset
444 /* The interpreter's recursion limit */
b8b3f76ffd51 add user-modifiable recursion_limit
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 14268
diff changeset
445
34863
71fd7ee4b7f5 Make a handy macro, Py_DEFAULT_RECURSION_LIMIT to allow to define
Hye-Shik Chang <hyeshik@gmail.com>
parents: 34442
diff changeset
446 #ifndef Py_DEFAULT_RECURSION_LIMIT
71fd7ee4b7f5 Make a handy macro, Py_DEFAULT_RECURSION_LIMIT to allow to define
Hye-Shik Chang <hyeshik@gmail.com>
parents: 34442
diff changeset
447 #define Py_DEFAULT_RECURSION_LIMIT 1000
71fd7ee4b7f5 Make a handy macro, Py_DEFAULT_RECURSION_LIMIT to allow to define
Hye-Shik Chang <hyeshik@gmail.com>
parents: 34442
diff changeset
448 #endif
71fd7ee4b7f5 Make a handy macro, Py_DEFAULT_RECURSION_LIMIT to allow to define
Hye-Shik Chang <hyeshik@gmail.com>
parents: 34442
diff changeset
449 static int recursion_limit = Py_DEFAULT_RECURSION_LIMIT;
71fd7ee4b7f5 Make a handy macro, Py_DEFAULT_RECURSION_LIMIT to allow to define
Hye-Shik Chang <hyeshik@gmail.com>
parents: 34442
diff changeset
450 int _Py_CheckRecursionLimit = Py_DEFAULT_RECURSION_LIMIT;
14308
b8b3f76ffd51 add user-modifiable recursion_limit
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 14268
diff changeset
451
14348
6d0f64f7dedd Cosmetics on Py_Get/SetRecursionLimit (for the style guide)
Vladimir Marangozov <vladimir.marangozov@t-online.de>
parents: 14333
diff changeset
452 int
6d0f64f7dedd Cosmetics on Py_Get/SetRecursionLimit (for the style guide)
Vladimir Marangozov <vladimir.marangozov@t-online.de>
parents: 14333
diff changeset
453 Py_GetRecursionLimit(void)
14308
b8b3f76ffd51 add user-modifiable recursion_limit
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 14268
diff changeset
454 {
b8b3f76ffd51 add user-modifiable recursion_limit
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 14268
diff changeset
455 return recursion_limit;
b8b3f76ffd51 add user-modifiable recursion_limit
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 14268
diff changeset
456 }
b8b3f76ffd51 add user-modifiable recursion_limit
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 14268
diff changeset
457
14348
6d0f64f7dedd Cosmetics on Py_Get/SetRecursionLimit (for the style guide)
Vladimir Marangozov <vladimir.marangozov@t-online.de>
parents: 14333
diff changeset
458 void
6d0f64f7dedd Cosmetics on Py_Get/SetRecursionLimit (for the style guide)
Vladimir Marangozov <vladimir.marangozov@t-online.de>
parents: 14333
diff changeset
459 Py_SetRecursionLimit(int new_limit)
14308
b8b3f76ffd51 add user-modifiable recursion_limit
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 14268
diff changeset
460 {
b8b3f76ffd51 add user-modifiable recursion_limit
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 14268
diff changeset
461 recursion_limit = new_limit;
43408
81478465fef3 Whitespace cleanup.
Thomas Wouters <thomas@python.org>
parents: 42333
diff changeset
462 _Py_CheckRecursionLimit = recursion_limit;
14308
b8b3f76ffd51 add user-modifiable recursion_limit
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 14268
diff changeset
463 }
b8b3f76ffd51 add user-modifiable recursion_limit
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 14268
diff changeset
464
30801
c42c40034536 Deleting cyclic object comparison.
Armin Rigo <arigo@tunes.org>
parents: 30782
diff changeset
465 /* the macro Py_EnterRecursiveCall() only calls _Py_CheckRecursiveCall()
c42c40034536 Deleting cyclic object comparison.
Armin Rigo <arigo@tunes.org>
parents: 30782
diff changeset
466 if the recursion_depth reaches _Py_CheckRecursionLimit.
c42c40034536 Deleting cyclic object comparison.
Armin Rigo <arigo@tunes.org>
parents: 30782
diff changeset
467 If USE_STACKCHECK, the macro decrements _Py_CheckRecursionLimit
c42c40034536 Deleting cyclic object comparison.
Armin Rigo <arigo@tunes.org>
parents: 30782
diff changeset
468 to guarantee that _Py_CheckRecursiveCall() is regularly called.
c42c40034536 Deleting cyclic object comparison.
Armin Rigo <arigo@tunes.org>
parents: 30782
diff changeset
469 Without USE_STACKCHECK, there is no need for this. */
c42c40034536 Deleting cyclic object comparison.
Armin Rigo <arigo@tunes.org>
parents: 30782
diff changeset
470 int
c42c40034536 Deleting cyclic object comparison.
Armin Rigo <arigo@tunes.org>
parents: 30782
diff changeset
471 _Py_CheckRecursiveCall(char *where)
c42c40034536 Deleting cyclic object comparison.
Armin Rigo <arigo@tunes.org>
parents: 30782
diff changeset
472 {
c42c40034536 Deleting cyclic object comparison.
Armin Rigo <arigo@tunes.org>
parents: 30782
diff changeset
473 PyThreadState *tstate = PyThreadState_GET();
c42c40034536 Deleting cyclic object comparison.
Armin Rigo <arigo@tunes.org>
parents: 30782
diff changeset
474
c42c40034536 Deleting cyclic object comparison.
Armin Rigo <arigo@tunes.org>
parents: 30782
diff changeset
475 #ifdef USE_STACKCHECK
c42c40034536 Deleting cyclic object comparison.
Armin Rigo <arigo@tunes.org>
parents: 30782
diff changeset
476 if (PyOS_CheckStack()) {
c42c40034536 Deleting cyclic object comparison.
Armin Rigo <arigo@tunes.org>
parents: 30782
diff changeset
477 --tstate->recursion_depth;
c42c40034536 Deleting cyclic object comparison.
Armin Rigo <arigo@tunes.org>
parents: 30782
diff changeset
478 PyErr_SetString(PyExc_MemoryError, "Stack overflow");
c42c40034536 Deleting cyclic object comparison.
Armin Rigo <arigo@tunes.org>
parents: 30782
diff changeset
479 return -1;
c42c40034536 Deleting cyclic object comparison.
Armin Rigo <arigo@tunes.org>
parents: 30782
diff changeset
480 }
c42c40034536 Deleting cyclic object comparison.
Armin Rigo <arigo@tunes.org>
parents: 30782
diff changeset
481 #endif
c42c40034536 Deleting cyclic object comparison.
Armin Rigo <arigo@tunes.org>
parents: 30782
diff changeset
482 if (tstate->recursion_depth > recursion_limit) {
c42c40034536 Deleting cyclic object comparison.
Armin Rigo <arigo@tunes.org>
parents: 30782
diff changeset
483 --tstate->recursion_depth;
c42c40034536 Deleting cyclic object comparison.
Armin Rigo <arigo@tunes.org>
parents: 30782
diff changeset
484 PyErr_Format(PyExc_RuntimeError,
c42c40034536 Deleting cyclic object comparison.
Armin Rigo <arigo@tunes.org>
parents: 30782
diff changeset
485 "maximum recursion depth exceeded%s",
c42c40034536 Deleting cyclic object comparison.
Armin Rigo <arigo@tunes.org>
parents: 30782
diff changeset
486 where);
c42c40034536 Deleting cyclic object comparison.
Armin Rigo <arigo@tunes.org>
parents: 30782
diff changeset
487 return -1;
c42c40034536 Deleting cyclic object comparison.
Armin Rigo <arigo@tunes.org>
parents: 30782
diff changeset
488 }
43408
81478465fef3 Whitespace cleanup.
Thomas Wouters <thomas@python.org>
parents: 42333
diff changeset
489 _Py_CheckRecursionLimit = recursion_limit;
30801
c42c40034536 Deleting cyclic object comparison.
Armin Rigo <arigo@tunes.org>
parents: 30782
diff changeset
490 return 0;
c42c40034536 Deleting cyclic object comparison.
Armin Rigo <arigo@tunes.org>
parents: 30782
diff changeset
491 }
c42c40034536 Deleting cyclic object comparison.
Armin Rigo <arigo@tunes.org>
parents: 30782
diff changeset
492
173
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
493 /* Status code for main loop (reason for stack unwind) */
31875
1fb2313ac3ce Simplify previous checkin (bitfields for WHY codes).
Raymond Hettinger <python@rcn.com>
parents: 31874
diff changeset
494 enum why_code {
1fb2313ac3ce Simplify previous checkin (bitfields for WHY codes).
Raymond Hettinger <python@rcn.com>
parents: 31874
diff changeset
495 WHY_NOT = 0x0001, /* No error */
1fb2313ac3ce Simplify previous checkin (bitfields for WHY codes).
Raymond Hettinger <python@rcn.com>
parents: 31874
diff changeset
496 WHY_EXCEPTION = 0x0002, /* Exception occurred */
1fb2313ac3ce Simplify previous checkin (bitfields for WHY codes).
Raymond Hettinger <python@rcn.com>
parents: 31874
diff changeset
497 WHY_RERAISE = 0x0004, /* Exception re-raised by 'finally' */
1fb2313ac3ce Simplify previous checkin (bitfields for WHY codes).
Raymond Hettinger <python@rcn.com>
parents: 31874
diff changeset
498 WHY_RETURN = 0x0008, /* 'return' statement */
1fb2313ac3ce Simplify previous checkin (bitfields for WHY codes).
Raymond Hettinger <python@rcn.com>
parents: 31874
diff changeset
499 WHY_BREAK = 0x0010, /* 'break' statement */
1fb2313ac3ce Simplify previous checkin (bitfields for WHY codes).
Raymond Hettinger <python@rcn.com>
parents: 31874
diff changeset
500 WHY_CONTINUE = 0x0020, /* 'continue' statement */
1fb2313ac3ce Simplify previous checkin (bitfields for WHY codes).
Raymond Hettinger <python@rcn.com>
parents: 31874
diff changeset
501 WHY_YIELD = 0x0040 /* 'yield' operator */
1fb2313ac3ce Simplify previous checkin (bitfields for WHY codes).
Raymond Hettinger <python@rcn.com>
parents: 31874
diff changeset
502 };
1fb2313ac3ce Simplify previous checkin (bitfields for WHY codes).
Raymond Hettinger <python@rcn.com>
parents: 31874
diff changeset
503
38425
ca657e0bd09c needforspeed: backed out the Py_LOCAL-isation of ceval; the massive in-
Fredrik Lundh <fredrik@pythonware.com>
parents: 38418
diff changeset
504 static enum why_code do_raise(PyObject *, PyObject *, PyObject *);
ca657e0bd09c needforspeed: backed out the Py_LOCAL-isation of ceval; the massive in-
Fredrik Lundh <fredrik@pythonware.com>
parents: 38418
diff changeset
505 static int unpack_iterable(PyObject *, int, PyObject **);
5018
001a5042b181 Cleanup:
Guido van Rossum <guido@python.org>
parents: 5014
diff changeset
506
50134
eeef71dd3cce Unblocked and merged revisions 67494 via svnmerge from
Jeffrey Yasskin <jyasskin@gmail.com>
parents: 50111
diff changeset
507 /* Records whether tracing is on for any thread. Counts the number of
eeef71dd3cce Unblocked and merged revisions 67494 via svnmerge from
Jeffrey Yasskin <jyasskin@gmail.com>
parents: 50111
diff changeset
508 threads for which tstate->c_tracefunc is non-NULL, so if the value
eeef71dd3cce Unblocked and merged revisions 67494 via svnmerge from
Jeffrey Yasskin <jyasskin@gmail.com>
parents: 50111
diff changeset
509 is 0, we know we don't have to check this thread's c_tracefunc.
eeef71dd3cce Unblocked and merged revisions 67494 via svnmerge from
Jeffrey Yasskin <jyasskin@gmail.com>
parents: 50111
diff changeset
510 This speeds up the if statement in PyEval_EvalFrameEx() after
eeef71dd3cce Unblocked and merged revisions 67494 via svnmerge from
Jeffrey Yasskin <jyasskin@gmail.com>
parents: 50111
diff changeset
511 fast_next_opcode*/
eeef71dd3cce Unblocked and merged revisions 67494 via svnmerge from
Jeffrey Yasskin <jyasskin@gmail.com>
parents: 50111
diff changeset
512 static int _Py_TracingPossible = 0;
eeef71dd3cce Unblocked and merged revisions 67494 via svnmerge from
Jeffrey Yasskin <jyasskin@gmail.com>
parents: 50111
diff changeset
513
25108
3a26e352f0a6 replace thread state objects' ticker and checkinterval fields with two
Skip Montanaro <skip@pobox.com>
parents: 25078
diff changeset
514 /* for manipulating the thread switch and periodic "stuff" - used to be
3a26e352f0a6 replace thread state objects' ticker and checkinterval fields with two
Skip Montanaro <skip@pobox.com>
parents: 25078
diff changeset
515 per thread, now just a pair o' globals */
25109
00b6dd414b80 Bump default check interval to 100 instructions. Computers are much faster
Skip Montanaro <skip@pobox.com>
parents: 25108
diff changeset
516 int _Py_CheckInterval = 100;
00b6dd414b80 Bump default check interval to 100 instructions. Computers are much faster
Skip Montanaro <skip@pobox.com>
parents: 25108
diff changeset
517 volatile int _Py_Ticker = 100;
173
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
518
5368
f2132d1f66a6 Quickly renamed.
Guido van Rossum <guido@python.org>
parents: 5177
diff changeset
519 PyObject *
13658
f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern'
Thomas Wouters <thomas@python.org>
parents: 13620
diff changeset
520 PyEval_EvalCode(PyCodeObject *co, PyObject *globals, PyObject *locals)
2844
0261bf5b3819 keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents: 2813
diff changeset
521 {
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18611
diff changeset
522 return PyEval_EvalCodeEx(co,
2844
0261bf5b3819 keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents: 2813
diff changeset
523 globals, locals,
5368
f2132d1f66a6 Quickly renamed.
Guido van Rossum <guido@python.org>
parents: 5177
diff changeset
524 (PyObject **)NULL, 0,
f2132d1f66a6 Quickly renamed.
Guido van Rossum <guido@python.org>
parents: 5177
diff changeset
525 (PyObject **)NULL, 0,
16257
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16017
diff changeset
526 (PyObject **)NULL, 0,
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16017
diff changeset
527 NULL);
2844
0261bf5b3819 keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents: 2813
diff changeset
528 }
0261bf5b3819 keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents: 2813
diff changeset
529
0261bf5b3819 keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents: 2813
diff changeset
530
0261bf5b3819 keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents: 2813
diff changeset
531 /* Interpreter main loop */
0261bf5b3819 keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents: 2813
diff changeset
532
32421
485d2ef43419 Patch #966493: Cleanup generator/eval_frame exposure.
Martin v. Löwis <martin@v.loewis.de>
parents: 32412
diff changeset
533 PyObject *
35298
b2fe5f8fcfdd PEP 342 implementation. Per Guido's comments, the generator throw()
Phillip J. Eby <pje@telecommunity.com>
parents: 35126
diff changeset
534 PyEval_EvalFrame(PyFrameObject *f) {
b2fe5f8fcfdd PEP 342 implementation. Per Guido's comments, the generator throw()
Phillip J. Eby <pje@telecommunity.com>
parents: 35126
diff changeset
535 /* This is for backward compatibility with extension modules that
43416
dc39dddea330 Try harder to stay within the 79-column limit. There's still two places that go (way) over, but those are harder to fix without suffering in readability.
Thomas Wouters <thomas@python.org>
parents: 43408
diff changeset
536 used this API; core interpreter code should call
dc39dddea330 Try harder to stay within the 79-column limit. There's still two places that go (way) over, but those are harder to fix without suffering in readability.
Thomas Wouters <thomas@python.org>
parents: 43408
diff changeset
537 PyEval_EvalFrameEx() */
35298
b2fe5f8fcfdd PEP 342 implementation. Per Guido's comments, the generator throw()
Phillip J. Eby <pje@telecommunity.com>
parents: 35126
diff changeset
538 return PyEval_EvalFrameEx(f, 0);
b2fe5f8fcfdd PEP 342 implementation. Per Guido's comments, the generator throw()
Phillip J. Eby <pje@telecommunity.com>
parents: 35126
diff changeset
539 }
b2fe5f8fcfdd PEP 342 implementation. Per Guido's comments, the generator throw()
Phillip J. Eby <pje@telecommunity.com>
parents: 35126
diff changeset
540
b2fe5f8fcfdd PEP 342 implementation. Per Guido's comments, the generator throw()
Phillip J. Eby <pje@telecommunity.com>
parents: 35126
diff changeset
541 PyObject *
37597
2b2e9c388fbb low-hanging fruit in Python/ - g++ still hates all the enum_kind declarations
Anthony Baxter <anthonybaxter@gmail.com>
parents: 37564
diff changeset
542 PyEval_EvalFrameEx(PyFrameObject *f, int throwflag)
173
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
543 {
5049
946b2b2a7622 Patches for (two forms of) optional dynamic execution profiling --
Guido van Rossum <guido@python.org>
parents: 5048
diff changeset
544 #ifdef DXPAIRS
946b2b2a7622 Patches for (two forms of) optional dynamic execution profiling --
Guido van Rossum <guido@python.org>
parents: 5048
diff changeset
545 int lastopcode = 0;
946b2b2a7622 Patches for (two forms of) optional dynamic execution profiling --
Guido van Rossum <guido@python.org>
parents: 5048
diff changeset
546 #endif
43416
dc39dddea330 Try harder to stay within the 79-column limit. There's still two places that go (way) over, but those are harder to fix without suffering in readability.
Thomas Wouters <thomas@python.org>
parents: 43408
diff changeset
547 register PyObject **stack_pointer; /* Next free slot in value stack */
173
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
548 register unsigned char *next_instr;
32359
e5bc947c44ca Performance tweak: allow stack_pointer and oparg to be register variables.
Armin Rigo <arigo@tunes.org>
parents: 32301
diff changeset
549 register int opcode; /* Current opcode */
e5bc947c44ca Performance tweak: allow stack_pointer and oparg to be register variables.
Armin Rigo <arigo@tunes.org>
parents: 32301
diff changeset
550 register int oparg; /* Current opcode argument, if any */
31875
1fb2313ac3ce Simplify previous checkin (bitfields for WHY codes).
Raymond Hettinger <python@rcn.com>
parents: 31874
diff changeset
551 register enum why_code why; /* Reason for block stack unwind */
173
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
552 register int err; /* Error status -- nonzero if error */
5368
f2132d1f66a6 Quickly renamed.
Guido van Rossum <guido@python.org>
parents: 5177
diff changeset
553 register PyObject *x; /* Result object -- NULL if error */
f2132d1f66a6 Quickly renamed.
Guido van Rossum <guido@python.org>
parents: 5177
diff changeset
554 register PyObject *v; /* Temporary objects popped off stack */
f2132d1f66a6 Quickly renamed.
Guido van Rossum <guido@python.org>
parents: 5177
diff changeset
555 register PyObject *w;
f2132d1f66a6 Quickly renamed.
Guido van Rossum <guido@python.org>
parents: 5177
diff changeset
556 register PyObject *u;
f2132d1f66a6 Quickly renamed.
Guido van Rossum <guido@python.org>
parents: 5177
diff changeset
557 register PyObject *t;
14100
2de0cc174c3b PEP 214, Extended print Statement, has been accepted by the BDFL.
Barry Warsaw <barry@python.org>
parents: 14080
diff changeset
558 register PyObject *stream = NULL; /* for PRINT opcodes */
16355
e4420c2468f9 Remove f_closure slot of frameobject and use f_localsplus instead.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16257
diff changeset
559 register PyObject **fastlocals, **freevars;
9513
350f24180dcb Whoops! One the "redundant" initializations removed by Vladimir in
Guido van Rossum <guido@python.org>
parents: 9490
diff changeset
560 PyObject *retval = NULL; /* Return value */
9671
1d40bc25703a Use PyThreadState_GET() macro.
Guido van Rossum <guido@python.org>
parents: 9591
diff changeset
561 PyThreadState *tstate = PyThreadState_GET();
18148
7bc473b2c654 Merging the gen-branch into the main line, at Guido's direction. Yay!
Tim Peters <tim.peters@gmail.com>
parents: 18136
diff changeset
562 PyCodeObject *co;
24844
cf5928fab108 This is my patch
Michael W. Hudson <mwh@python.net>
parents: 24718
diff changeset
563
31872
9f5fe6b23e59 Since the fast_yield branch target was introduced, it appears that most
Tim Peters <tim.peters@gmail.com>
parents: 31797
diff changeset
564 /* when tracing we set things up so that
24844
cf5928fab108 This is my patch
Michael W. Hudson <mwh@python.net>
parents: 24718
diff changeset
565
cf5928fab108 This is my patch
Michael W. Hudson <mwh@python.net>
parents: 24718
diff changeset
566 not (instr_lb <= current_bytecode_offset < instr_ub)
cf5928fab108 This is my patch
Michael W. Hudson <mwh@python.net>
parents: 24718
diff changeset
567
31872
9f5fe6b23e59 Since the fast_yield branch target was introduced, it appears that most
Tim Peters <tim.peters@gmail.com>
parents: 31797
diff changeset
568 is true when the line being executed has changed. The
24844
cf5928fab108 This is my patch
Michael W. Hudson <mwh@python.net>
parents: 24718
diff changeset
569 initial values are such as to make this false the first
cf5928fab108 This is my patch
Michael W. Hudson <mwh@python.net>
parents: 24718
diff changeset
570 time it is tested. */
31768
9817dee5d9df Fix SF bug #765624.
Armin Rigo <arigo@tunes.org>
parents: 31714
diff changeset
571 int instr_ub = -1, instr_lb = 0, instr_prev = -1;
24844
cf5928fab108 This is my patch
Michael W. Hudson <mwh@python.net>
parents: 24718
diff changeset
572
9293
0a67db47e1d0 Changes to support other object types besides strings
Guido van Rossum <guido@python.org>
parents: 9203
diff changeset
573 unsigned char *first_instr;
24545
d2f41c8a81f0 small speedup for constant and name access
Skip Montanaro <skip@pobox.com>
parents: 24284
diff changeset
574 PyObject *names;
d2f41c8a81f0 small speedup for constant and name access
Skip Montanaro <skip@pobox.com>
parents: 24284
diff changeset
575 PyObject *consts;
35745
407c3dacbd7c Fix some mods that got dropped from the AST merge
Neal Norwitz <nnorwitz@gmail.com>
parents: 35742
diff changeset
576 #if defined(Py_DEBUG) || defined(LLTRACE)
2844
0261bf5b3819 keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents: 2813
diff changeset
577 /* Make it easier to find out where we are with a debugger */
18148
7bc473b2c654 Merging the gen-branch into the main line, at Guido's direction. Yay!
Tim Peters <tim.peters@gmail.com>
parents: 18136
diff changeset
578 char *filename;
1016
a41e3ba5b47d Add some debugging features if DEBUG defined
Guido van Rossum <guido@python.org>
parents: 974
diff changeset
579 #endif
173
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
580
24232
e06b1ab0bdb8 SF patch # 580411, move frame macros from frameobject.h into ceval.c
Neal Norwitz <nnorwitz@gmail.com>
parents: 24190
diff changeset
581 /* Tuple access macros */
e06b1ab0bdb8 SF patch # 580411, move frame macros from frameobject.h into ceval.c
Neal Norwitz <nnorwitz@gmail.com>
parents: 24190
diff changeset
582
e06b1ab0bdb8 SF patch # 580411, move frame macros from frameobject.h into ceval.c
Neal Norwitz <nnorwitz@gmail.com>
parents: 24190
diff changeset
583 #ifndef Py_DEBUG
e06b1ab0bdb8 SF patch # 580411, move frame macros from frameobject.h into ceval.c
Neal Norwitz <nnorwitz@gmail.com>
parents: 24190
diff changeset
584 #define GETITEM(v, i) PyTuple_GET_ITEM((PyTupleObject *)(v), (i))
e06b1ab0bdb8 SF patch # 580411, move frame macros from frameobject.h into ceval.c
Neal Norwitz <nnorwitz@gmail.com>
parents: 24190
diff changeset
585 #else
e06b1ab0bdb8 SF patch # 580411, move frame macros from frameobject.h into ceval.c
Neal Norwitz <nnorwitz@gmail.com>
parents: 24190
diff changeset
586 #define GETITEM(v, i) PyTuple_GetItem((v), (i))
e06b1ab0bdb8 SF patch # 580411, move frame macros from frameobject.h into ceval.c
Neal Norwitz <nnorwitz@gmail.com>
parents: 24190
diff changeset
587 #endif
e06b1ab0bdb8 SF patch # 580411, move frame macros from frameobject.h into ceval.c
Neal Norwitz <nnorwitz@gmail.com>
parents: 24190
diff changeset
588
32301
41c59d80bbc5 Patch #510695: Add TSC profiling for the VM.
Martin v. Löwis <martin@v.loewis.de>
parents: 32247
diff changeset
589 #ifdef WITH_TSC
41c59d80bbc5 Patch #510695: Add TSC profiling for the VM.
Martin v. Löwis <martin@v.loewis.de>
parents: 32247
diff changeset
590 /* Use Pentium timestamp counter to mark certain events:
41c59d80bbc5 Patch #510695: Add TSC profiling for the VM.
Martin v. Löwis <martin@v.loewis.de>
parents: 32247
diff changeset
591 inst0 -- beginning of switch statement for opcode dispatch
41c59d80bbc5 Patch #510695: Add TSC profiling for the VM.
Martin v. Löwis <martin@v.loewis.de>
parents: 32247
diff changeset
592 inst1 -- end of switch statement (may be skipped)
41c59d80bbc5 Patch #510695: Add TSC profiling for the VM.
Martin v. Löwis <martin@v.loewis.de>
parents: 32247
diff changeset
593 loop0 -- the top of the mainloop
38418
708eaf0896bf Patch 1145039.
Tim Peters <tim.peters@gmail.com>
parents: 38352
diff changeset
594 loop1 -- place where control returns again to top of mainloop
32301
41c59d80bbc5 Patch #510695: Add TSC profiling for the VM.
Martin v. Löwis <martin@v.loewis.de>
parents: 32247
diff changeset
595 (may be skipped)
41c59d80bbc5 Patch #510695: Add TSC profiling for the VM.
Martin v. Löwis <martin@v.loewis.de>
parents: 32247
diff changeset
596 intr1 -- beginning of long interruption
41c59d80bbc5 Patch #510695: Add TSC profiling for the VM.
Martin v. Löwis <martin@v.loewis.de>
parents: 32247
diff changeset
597 intr2 -- end of long interruption
41c59d80bbc5 Patch #510695: Add TSC profiling for the VM.
Martin v. Löwis <martin@v.loewis.de>
parents: 32247
diff changeset
598
41c59d80bbc5 Patch #510695: Add TSC profiling for the VM.
Martin v. Löwis <martin@v.loewis.de>
parents: 32247
diff changeset
599 Many opcodes call out to helper C functions. In some cases, the
41c59d80bbc5 Patch #510695: Add TSC profiling for the VM.
Martin v. Löwis <martin@v.loewis.de>
parents: 32247
diff changeset
600 time in those functions should be counted towards the time for the
41c59d80bbc5 Patch #510695: Add TSC profiling for the VM.
Martin v. Löwis <martin@v.loewis.de>
parents: 32247
diff changeset
601 opcode, but not in all cases. For example, a CALL_FUNCTION opcode
41c59d80bbc5 Patch #510695: Add TSC profiling for the VM.
Martin v. Löwis <martin@v.loewis.de>
parents: 32247
diff changeset
602 calls another Python function; there's no point in charge all the
41c59d80bbc5 Patch #510695: Add TSC profiling for the VM.
Martin v. Löwis <martin@v.loewis.de>
parents: 32247
diff changeset
603 bytecode executed by the called function to the caller.
41c59d80bbc5 Patch #510695: Add TSC profiling for the VM.
Martin v. Löwis <martin@v.loewis.de>
parents: 32247
diff changeset
604
41c59d80bbc5 Patch #510695: Add TSC profiling for the VM.
Martin v. Löwis <martin@v.loewis.de>
parents: 32247
diff changeset
605 It's hard to make a useful judgement statically. In the presence
41c59d80bbc5 Patch #510695: Add TSC profiling for the VM.
Martin v. Löwis <martin@v.loewis.de>
parents: 32247
diff changeset
606 of operator overloading, it's impossible to tell if a call will
41c59d80bbc5 Patch #510695: Add TSC profiling for the VM.
Martin v. Löwis <martin@v.loewis.de>
parents: 32247
diff changeset
607 execute new Python code or not.
41c59d80bbc5 Patch #510695: Add TSC profiling for the VM.
Martin v. Löwis <martin@v.loewis.de>
parents: 32247
diff changeset
608
41c59d80bbc5 Patch #510695: Add TSC profiling for the VM.
Martin v. Löwis <martin@v.loewis.de>
parents: 32247
diff changeset
609 It's a case-by-case judgement. I'll use intr1 for the following
41c59d80bbc5 Patch #510695: Add TSC profiling for the VM.
Martin v. Löwis <martin@v.loewis.de>
parents: 32247
diff changeset
610 cases:
41c59d80bbc5 Patch #510695: Add TSC profiling for the VM.
Martin v. Löwis <martin@v.loewis.de>
parents: 32247
diff changeset
611
41c59d80bbc5 Patch #510695: Add TSC profiling for the VM.
Martin v. Löwis <martin@v.loewis.de>
parents: 32247
diff changeset
612 EXEC_STMT
41c59d80bbc5 Patch #510695: Add TSC profiling for the VM.
Martin v. Löwis <martin@v.loewis.de>
parents: 32247
diff changeset
613 IMPORT_STAR
41c59d80bbc5 Patch #510695: Add TSC profiling for the VM.
Martin v. Löwis <martin@v.loewis.de>
parents: 32247
diff changeset
614 IMPORT_FROM
41c59d80bbc5 Patch #510695: Add TSC profiling for the VM.
Martin v. Löwis <martin@v.loewis.de>
parents: 32247
diff changeset
615 CALL_FUNCTION (and friends)
41c59d80bbc5 Patch #510695: Add TSC profiling for the VM.
Martin v. Löwis <martin@v.loewis.de>
parents: 32247
diff changeset
616
41c59d80bbc5 Patch #510695: Add TSC profiling for the VM.
Martin v. Löwis <martin@v.loewis.de>
parents: 32247
diff changeset
617 */
41c59d80bbc5 Patch #510695: Add TSC profiling for the VM.
Martin v. Löwis <martin@v.loewis.de>
parents: 32247
diff changeset
618 uint64 inst0, inst1, loop0, loop1, intr0 = 0, intr1 = 0;
41c59d80bbc5 Patch #510695: Add TSC profiling for the VM.
Martin v. Löwis <martin@v.loewis.de>
parents: 32247
diff changeset
619 int ticked = 0;
41c59d80bbc5 Patch #510695: Add TSC profiling for the VM.
Martin v. Löwis <martin@v.loewis.de>
parents: 32247
diff changeset
620
34442
683719e04218 Change the name of the macro used by --with-tsc builds to the less
Michael W. Hudson <mwh@python.net>
parents: 34371
diff changeset
621 READ_TIMESTAMP(inst0);
683719e04218 Change the name of the macro used by --with-tsc builds to the less
Michael W. Hudson <mwh@python.net>
parents: 34371
diff changeset
622 READ_TIMESTAMP(inst1);
683719e04218 Change the name of the macro used by --with-tsc builds to the less
Michael W. Hudson <mwh@python.net>
parents: 34371
diff changeset
623 READ_TIMESTAMP(loop0);
683719e04218 Change the name of the macro used by --with-tsc builds to the less
Michael W. Hudson <mwh@python.net>
parents: 34371
diff changeset
624 READ_TIMESTAMP(loop1);
33104
f455bbe7ea7e This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 33030
diff changeset
625
f455bbe7ea7e This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 33030
diff changeset
626 /* shut up the compiler */
f455bbe7ea7e This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 33030
diff changeset
627 opcode = 0;
32301
41c59d80bbc5 Patch #510695: Add TSC profiling for the VM.
Martin v. Löwis <martin@v.loewis.de>
parents: 32247
diff changeset
628 #endif
41c59d80bbc5 Patch #510695: Add TSC profiling for the VM.
Martin v. Löwis <martin@v.loewis.de>
parents: 32247
diff changeset
629
173
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
630 /* Code access macros */
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
631
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36475
diff changeset
632 #define INSTR_OFFSET() ((int)(next_instr - first_instr))
173
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
633 #define NEXTOP() (*next_instr++)
31894
310dd98ea064 Revert 2.393, elimination of pre-decrementing, which
Raymond Hettinger <python@rcn.com>
parents: 31880
diff changeset
634 #define NEXTARG() (next_instr += 2, (next_instr[-1]<<8) + next_instr[-2])
32974
fb6ffd290cfb SF patch #980695: efficient string concatenation
Raymond Hettinger <python@rcn.com>
parents: 32900
diff changeset
635 #define PEEKARG() ((next_instr[2]<<8) + next_instr[1])
9293
0a67db47e1d0 Changes to support other object types besides strings
Guido van Rossum <guido@python.org>
parents: 9203
diff changeset
636 #define JUMPTO(x) (next_instr = first_instr + (x))
173
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
637 #define JUMPBY(x) (next_instr += (x))
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
638
28302
8c082936daaf Introduced macros for a simple opcode prediction protocol.
Raymond Hettinger <python@rcn.com>
parents: 28296
diff changeset
639 /* OpCode prediction macros
43416
dc39dddea330 Try harder to stay within the 79-column limit. There's still two places that go (way) over, but those are harder to fix without suffering in readability.
Thomas Wouters <thomas@python.org>
parents: 43408
diff changeset
640 Some opcodes tend to come in pairs thus making it possible to
dc39dddea330 Try harder to stay within the 79-column limit. There's still two places that go (way) over, but those are harder to fix without suffering in readability.
Thomas Wouters <thomas@python.org>
parents: 43408
diff changeset
641 predict the second code when the first is run. For example,
dc39dddea330 Try harder to stay within the 79-column limit. There's still two places that go (way) over, but those are harder to fix without suffering in readability.
Thomas Wouters <thomas@python.org>
parents: 43408
diff changeset
642 COMPARE_OP is often followed by JUMP_IF_FALSE or JUMP_IF_TRUE. And,
dc39dddea330 Try harder to stay within the 79-column limit. There's still two places that go (way) over, but those are harder to fix without suffering in readability.
Thomas Wouters <thomas@python.org>
parents: 43408
diff changeset
643 those opcodes are often followed by a POP_TOP.
28302
8c082936daaf Introduced macros for a simple opcode prediction protocol.
Raymond Hettinger <python@rcn.com>
parents: 28296
diff changeset
644
47886
c93596ec1d3d Update comment on prediction macros.
Raymond Hettinger <python@rcn.com>
parents: 47868
diff changeset
645 Verifying the prediction costs a single high-speed test of a register
28303
470504ef578b Fix comment and whitespace.
Raymond Hettinger <python@rcn.com>
parents: 28302
diff changeset
646 variable against a constant. If the pairing was good, then the
47886
c93596ec1d3d Update comment on prediction macros.
Raymond Hettinger <python@rcn.com>
parents: 47868
diff changeset
647 processor's own internal branch predication has a high likelihood of
c93596ec1d3d Update comment on prediction macros.
Raymond Hettinger <python@rcn.com>
parents: 47868
diff changeset
648 success, resulting in a nearly zero-overhead transition to the
c93596ec1d3d Update comment on prediction macros.
Raymond Hettinger <python@rcn.com>
parents: 47868
diff changeset
649 next opcode. A successful prediction saves a trip through the eval-loop
48077
30485bc17268 Raymond's patch for #1819: speedup function calls with named parameters
Antoine Pitrou <solipsis@pitrou.net>
parents: 47985
diff changeset
650 including its two unpredictable branches, the HAS_ARG test and the
47886
c93596ec1d3d Update comment on prediction macros.
Raymond Hettinger <python@rcn.com>
parents: 47868
diff changeset
651 switch-case. Combined with the processor's internal branch prediction,
48077
30485bc17268 Raymond's patch for #1819: speedup function calls with named parameters
Antoine Pitrou <solipsis@pitrou.net>
parents: 47985
diff changeset
652 a successful PREDICT has the effect of making the two opcodes run as if
47886
c93596ec1d3d Update comment on prediction macros.
Raymond Hettinger <python@rcn.com>
parents: 47868
diff changeset
653 they were a single new opcode with the bodies combined.
c93596ec1d3d Update comment on prediction macros.
Raymond Hettinger <python@rcn.com>
parents: 47868
diff changeset
654
c93596ec1d3d Update comment on prediction macros.
Raymond Hettinger <python@rcn.com>
parents: 47868
diff changeset
655 If collecting opcode statistics, your choices are to either keep the
c93596ec1d3d Update comment on prediction macros.
Raymond Hettinger <python@rcn.com>
parents: 47868
diff changeset
656 predictions turned-on and interpret the results as if some opcodes
c93596ec1d3d Update comment on prediction macros.
Raymond Hettinger <python@rcn.com>
parents: 47868
diff changeset
657 had been combined or turn-off predictions so that the opcode frequency
c93596ec1d3d Update comment on prediction macros.
Raymond Hettinger <python@rcn.com>
parents: 47868
diff changeset
658 counter updates for both opcodes.
28302
8c082936daaf Introduced macros for a simple opcode prediction protocol.
Raymond Hettinger <python@rcn.com>
parents: 28296
diff changeset
659 */
8c082936daaf Introduced macros for a simple opcode prediction protocol.
Raymond Hettinger <python@rcn.com>
parents: 28296
diff changeset
660
31487
f57f5ce22c8d SF patch #884022: dynamic execution profiling vs opcode prediction
Raymond Hettinger <python@rcn.com>
parents: 31462
diff changeset
661 #ifdef DYNAMIC_EXECUTION_PROFILE
f57f5ce22c8d SF patch #884022: dynamic execution profiling vs opcode prediction
Raymond Hettinger <python@rcn.com>
parents: 31462
diff changeset
662 #define PREDICT(op) if (0) goto PRED_##op
f57f5ce22c8d SF patch #884022: dynamic execution profiling vs opcode prediction
Raymond Hettinger <python@rcn.com>
parents: 31462
diff changeset
663 #else
28303
470504ef578b Fix comment and whitespace.
Raymond Hettinger <python@rcn.com>
parents: 28302
diff changeset
664 #define PREDICT(op) if (*next_instr == op) goto PRED_##op
31487
f57f5ce22c8d SF patch #884022: dynamic execution profiling vs opcode prediction
Raymond Hettinger <python@rcn.com>
parents: 31462
diff changeset
665 #endif
f57f5ce22c8d SF patch #884022: dynamic execution profiling vs opcode prediction
Raymond Hettinger <python@rcn.com>
parents: 31462
diff changeset
666
28302
8c082936daaf Introduced macros for a simple opcode prediction protocol.
Raymond Hettinger <python@rcn.com>
parents: 28296
diff changeset
667 #define PREDICTED(op) PRED_##op: next_instr++
32974
fb6ffd290cfb SF patch #980695: efficient string concatenation
Raymond Hettinger <python@rcn.com>
parents: 32900
diff changeset
668 #define PREDICTED_WITH_ARG(op) PRED_##op: oparg = PEEKARG(); next_instr += 3
28302
8c082936daaf Introduced macros for a simple opcode prediction protocol.
Raymond Hettinger <python@rcn.com>
parents: 28296
diff changeset
669
173
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
670 /* Stack manipulation macros */
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
671
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36475
diff changeset
672 /* The stack can grow at most MAXINT deep, as co_nlocals and
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36475
diff changeset
673 co_stacksize are ints. */
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36475
diff changeset
674 #define STACK_LEVEL() ((int)(stack_pointer - f->f_valuestack))
173
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
675 #define EMPTY() (STACK_LEVEL() == 0)
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
676 #define TOP() (stack_pointer[-1])
27186
04aa86d49d93 SF patch #664320: Replace push/pop clusters in ceval.c
Raymond Hettinger <python@rcn.com>
parents: 26141
diff changeset
677 #define SECOND() (stack_pointer[-2])
04aa86d49d93 SF patch #664320: Replace push/pop clusters in ceval.c
Raymond Hettinger <python@rcn.com>
parents: 26141
diff changeset
678 #define THIRD() (stack_pointer[-3])
04aa86d49d93 SF patch #664320: Replace push/pop clusters in ceval.c
Raymond Hettinger <python@rcn.com>
parents: 26141
diff changeset
679 #define FOURTH() (stack_pointer[-4])
04aa86d49d93 SF patch #664320: Replace push/pop clusters in ceval.c
Raymond Hettinger <python@rcn.com>
parents: 26141
diff changeset
680 #define SET_TOP(v) (stack_pointer[-1] = (v))
04aa86d49d93 SF patch #664320: Replace push/pop clusters in ceval.c
Raymond Hettinger <python@rcn.com>
parents: 26141
diff changeset
681 #define SET_SECOND(v) (stack_pointer[-2] = (v))
04aa86d49d93 SF patch #664320: Replace push/pop clusters in ceval.c
Raymond Hettinger <python@rcn.com>
parents: 26141
diff changeset
682 #define SET_THIRD(v) (stack_pointer[-3] = (v))
04aa86d49d93 SF patch #664320: Replace push/pop clusters in ceval.c
Raymond Hettinger <python@rcn.com>
parents: 26141
diff changeset
683 #define SET_FOURTH(v) (stack_pointer[-4] = (v))
04aa86d49d93 SF patch #664320: Replace push/pop clusters in ceval.c
Raymond Hettinger <python@rcn.com>
parents: 26141
diff changeset
684 #define BASIC_STACKADJ(n) (stack_pointer += n)
173
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
685 #define BASIC_PUSH(v) (*stack_pointer++ = (v))
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
686 #define BASIC_POP() (*--stack_pointer)
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
687
567
8c179d023583 User trace feature.
Guido van Rossum <guido@python.org>
parents: 565
diff changeset
688 #ifdef LLTRACE
20492
bf4ff05eab52 For debug build, check that the stack pointer never exceeds the stack size.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 20438
diff changeset
689 #define PUSH(v) { (void)(BASIC_PUSH(v), \
bf4ff05eab52 For debug build, check that the stack pointer never exceeds the stack size.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 20438
diff changeset
690 lltrace && prtrace(TOP(), "push")); \
38253
4bd299d00e4c Applied patch 1337051 by Neal Norwitz, saving 4 ints on frame objects.
Richard Jones <richard@commonground.com.au>
parents: 38217
diff changeset
691 assert(STACK_LEVEL() <= co->co_stacksize); }
43416
dc39dddea330 Try harder to stay within the 79-column limit. There's still two places that go (way) over, but those are harder to fix without suffering in readability.
Thomas Wouters <thomas@python.org>
parents: 43408
diff changeset
692 #define POP() ((void)(lltrace && prtrace(TOP(), "pop")), \
dc39dddea330 Try harder to stay within the 79-column limit. There's still two places that go (way) over, but those are harder to fix without suffering in readability.
Thomas Wouters <thomas@python.org>
parents: 43408
diff changeset
693 BASIC_POP())
27186
04aa86d49d93 SF patch #664320: Replace push/pop clusters in ceval.c
Raymond Hettinger <python@rcn.com>
parents: 26141
diff changeset
694 #define STACKADJ(n) { (void)(BASIC_STACKADJ(n), \
04aa86d49d93 SF patch #664320: Replace push/pop clusters in ceval.c
Raymond Hettinger <python@rcn.com>
parents: 26141
diff changeset
695 lltrace && prtrace(TOP(), "stackadj")); \
38253
4bd299d00e4c Applied patch 1337051 by Neal Norwitz, saving 4 ints on frame objects.
Richard Jones <richard@commonground.com.au>
parents: 38217
diff changeset
696 assert(STACK_LEVEL() <= co->co_stacksize); }
44292
44c418b2bf7f Silence a warning about an unsed variable in debug builds
Christian Heimes <christian@cheimes.de>
parents: 44164
diff changeset
697 #define EXT_POP(STACK_POINTER) ((void)(lltrace && \
44c418b2bf7f Silence a warning about an unsed variable in debug builds
Christian Heimes <christian@cheimes.de>
parents: 44164
diff changeset
698 prtrace((STACK_POINTER)[-1], "ext_pop")), \
44c418b2bf7f Silence a warning about an unsed variable in debug builds
Christian Heimes <christian@cheimes.de>
parents: 44164
diff changeset
699 *--(STACK_POINTER))
173
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
700 #else
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
701 #define PUSH(v) BASIC_PUSH(v)
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
702 #define POP() BASIC_POP()
27186
04aa86d49d93 SF patch #664320: Replace push/pop clusters in ceval.c
Raymond Hettinger <python@rcn.com>
parents: 26141
diff changeset
703 #define STACKADJ(n) BASIC_STACKADJ(n)
36695
b6d2f6fd3e11 PEP 343 -- the with-statement.
Guido van Rossum <guido@python.org>
parents: 36580
diff changeset
704 #define EXT_POP(STACK_POINTER) (*--(STACK_POINTER))
173
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
705 #endif
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
706
2844
0261bf5b3819 keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents: 2813
diff changeset
707 /* Local variable macros */
0261bf5b3819 keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents: 2813
diff changeset
708
0261bf5b3819 keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents: 2813
diff changeset
709 #define GETLOCAL(i) (fastlocals[i])
22621
830c829a7eb2 Fix an issue that was reported in but unrelated to the main problem of
Guido van Rossum <guido@python.org>
parents: 22499
diff changeset
710
830c829a7eb2 Fix an issue that was reported in but unrelated to the main problem of
Guido van Rossum <guido@python.org>
parents: 22499
diff changeset
711 /* The SETLOCAL() macro must not DECREF the local variable in-place and
830c829a7eb2 Fix an issue that was reported in but unrelated to the main problem of
Guido van Rossum <guido@python.org>
parents: 22499
diff changeset
712 then store the new value; it must copy the old value to a temporary
830c829a7eb2 Fix an issue that was reported in but unrelated to the main problem of
Guido van Rossum <guido@python.org>
parents: 22499
diff changeset
713 value, then store the new value, and then DECREF the temporary value.
830c829a7eb2 Fix an issue that was reported in but unrelated to the main problem of
Guido van Rossum <guido@python.org>
parents: 22499
diff changeset
714 This is because it is possible that during the DECREF the frame is
830c829a7eb2 Fix an issue that was reported in but unrelated to the main problem of
Guido van Rossum <guido@python.org>
parents: 22499
diff changeset
715 accessed by other code (e.g. a __del__ method or gc.collect()) and the
830c829a7eb2 Fix an issue that was reported in but unrelated to the main problem of
Guido van Rossum <guido@python.org>
parents: 22499
diff changeset
716 variable would be pointing to already-freed memory. */
830c829a7eb2 Fix an issue that was reported in but unrelated to the main problem of
Guido van Rossum <guido@python.org>
parents: 22499
diff changeset
717 #define SETLOCAL(i, value) do { PyObject *tmp = GETLOCAL(i); \
830c829a7eb2 Fix an issue that was reported in but unrelated to the main problem of
Guido van Rossum <guido@python.org>
parents: 22499
diff changeset
718 GETLOCAL(i) = value; \
830c829a7eb2 Fix an issue that was reported in but unrelated to the main problem of
Guido van Rossum <guido@python.org>
parents: 22499
diff changeset
719 Py_XDECREF(tmp); } while (0)
2844
0261bf5b3819 keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents: 2813
diff changeset
720
5405
b7871ca930ad Massive changes for separate thread state management.
Guido van Rossum <guido@python.org>
parents: 5368
diff changeset
721 /* Start of code */
b7871ca930ad Massive changes for separate thread state management.
Guido van Rossum <guido@python.org>
parents: 5368
diff changeset
722
18148
7bc473b2c654 Merging the gen-branch into the main line, at Guido's direction. Yay!
Tim Peters <tim.peters@gmail.com>
parents: 18136
diff changeset
723 if (f == NULL)
7bc473b2c654 Merging the gen-branch into the main line, at Guido's direction. Yay!
Tim Peters <tim.peters@gmail.com>
parents: 18136
diff changeset
724 return NULL;
7bc473b2c654 Merging the gen-branch into the main line, at Guido's direction. Yay!
Tim Peters <tim.peters@gmail.com>
parents: 18136
diff changeset
725
30801
c42c40034536 Deleting cyclic object comparison.
Armin Rigo <arigo@tunes.org>
parents: 30782
diff changeset
726 /* push frame */
c42c40034536 Deleting cyclic object comparison.
Armin Rigo <arigo@tunes.org>
parents: 30782
diff changeset
727 if (Py_EnterRecursiveCall(""))
30782
f51dc9026e4d oh dear. Wrong manipulation. Committed a version of ceval.c from my
Armin Rigo <arigo@tunes.org>
parents: 30781
diff changeset
728 return NULL;
3839
22e29b1747e1 Changes for slice and ellipses
Guido van Rossum <guido@python.org>
parents: 3694
diff changeset
729
18148
7bc473b2c654 Merging the gen-branch into the main line, at Guido's direction. Yay!
Tim Peters <tim.peters@gmail.com>
parents: 18136
diff changeset
730 tstate->frame = f;
7bc473b2c654 Merging the gen-branch into the main line, at Guido's direction. Yay!
Tim Peters <tim.peters@gmail.com>
parents: 18136
diff changeset
731
19692
04218e85b156 Move call_trace(..., PyTrace_CALL, ...) call to top of eval_frame. That
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 19611
diff changeset
732 if (tstate->use_tracing) {
04218e85b156 Move call_trace(..., PyTrace_CALL, ...) call to top of eval_frame. That
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 19611
diff changeset
733 if (tstate->c_tracefunc != NULL) {
04218e85b156 Move call_trace(..., PyTrace_CALL, ...) call to top of eval_frame. That
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 19611
diff changeset
734 /* tstate->c_tracefunc, if defined, is a
04218e85b156 Move call_trace(..., PyTrace_CALL, ...) call to top of eval_frame. That
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 19611
diff changeset
735 function that will be called on *every* entry
04218e85b156 Move call_trace(..., PyTrace_CALL, ...) call to top of eval_frame. That
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 19611
diff changeset
736 to a code block. Its return value, if not
04218e85b156 Move call_trace(..., PyTrace_CALL, ...) call to top of eval_frame. That
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 19611
diff changeset
737 None, is a function that will be called at
04218e85b156 Move call_trace(..., PyTrace_CALL, ...) call to top of eval_frame. That
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 19611
diff changeset
738 the start of each executed line of code.
04218e85b156 Move call_trace(..., PyTrace_CALL, ...) call to top of eval_frame. That
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 19611
diff changeset
739 (Actually, the function must return itself
04218e85b156 Move call_trace(..., PyTrace_CALL, ...) call to top of eval_frame. That
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 19611
diff changeset
740 in order to continue tracing.) The trace
04218e85b156 Move call_trace(..., PyTrace_CALL, ...) call to top of eval_frame. That
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 19611
diff changeset
741 functions are called with three arguments:
04218e85b156 Move call_trace(..., PyTrace_CALL, ...) call to top of eval_frame. That
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 19611
diff changeset
742 a pointer to the current frame, a string
04218e85b156 Move call_trace(..., PyTrace_CALL, ...) call to top of eval_frame. That
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 19611
diff changeset
743 indicating why the function is called, and
04218e85b156 Move call_trace(..., PyTrace_CALL, ...) call to top of eval_frame. That
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 19611
diff changeset
744 an argument which depends on the situation.
04218e85b156 Move call_trace(..., PyTrace_CALL, ...) call to top of eval_frame. That
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 19611
diff changeset
745 The global trace function is also called
04218e85b156 Move call_trace(..., PyTrace_CALL, ...) call to top of eval_frame. That
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 19611
diff changeset
746 whenever an exception is detected. */
48077
30485bc17268 Raymond's patch for #1819: speedup function calls with named parameters
Antoine Pitrou <solipsis@pitrou.net>
parents: 47985
diff changeset
747 if (call_trace_protected(tstate->c_tracefunc,
43845
76844a0a579f Merge from py3k branch:
Amaury Forgeot d'Arc <amauryfa@gmail.com>
parents: 43784
diff changeset
748 tstate->c_traceobj,
76844a0a579f Merge from py3k branch:
Amaury Forgeot d'Arc <amauryfa@gmail.com>
parents: 43784
diff changeset
749 f, PyTrace_CALL, Py_None)) {
19692
04218e85b156 Move call_trace(..., PyTrace_CALL, ...) call to top of eval_frame. That
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 19611
diff changeset
750 /* Trace function raised an error */
30801
c42c40034536 Deleting cyclic object comparison.
Armin Rigo <arigo@tunes.org>
parents: 30782
diff changeset
751 goto exit_eval_frame;
19692
04218e85b156 Move call_trace(..., PyTrace_CALL, ...) call to top of eval_frame. That
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 19611
diff changeset
752 }
04218e85b156 Move call_trace(..., PyTrace_CALL, ...) call to top of eval_frame. That
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 19611
diff changeset
753 }
04218e85b156 Move call_trace(..., PyTrace_CALL, ...) call to top of eval_frame. That
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 19611
diff changeset
754 if (tstate->c_profilefunc != NULL) {
04218e85b156 Move call_trace(..., PyTrace_CALL, ...) call to top of eval_frame. That
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 19611
diff changeset
755 /* Similar for c_profilefunc, except it needn't
04218e85b156 Move call_trace(..., PyTrace_CALL, ...) call to top of eval_frame. That
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 19611
diff changeset
756 return itself and isn't called for "line" events */
43845
76844a0a579f Merge from py3k branch:
Amaury Forgeot d'Arc <amauryfa@gmail.com>
parents: 43784
diff changeset
757 if (call_trace_protected(tstate->c_profilefunc,
76844a0a579f Merge from py3k branch:
Amaury Forgeot d'Arc <amauryfa@gmail.com>
parents: 43784
diff changeset
758 tstate->c_profileobj,
76844a0a579f Merge from py3k branch:
Amaury Forgeot d'Arc <amauryfa@gmail.com>
parents: 43784
diff changeset
759 f, PyTrace_CALL, Py_None)) {
19692
04218e85b156 Move call_trace(..., PyTrace_CALL, ...) call to top of eval_frame. That
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 19611
diff changeset
760 /* Profile function raised an error */
30801
c42c40034536 Deleting cyclic object comparison.
Armin Rigo <arigo@tunes.org>
parents: 30782
diff changeset
761 goto exit_eval_frame;
19692
04218e85b156 Move call_trace(..., PyTrace_CALL, ...) call to top of eval_frame. That
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 19611
diff changeset
762 }
04218e85b156 Move call_trace(..., PyTrace_CALL, ...) call to top of eval_frame. That
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 19611
diff changeset
763 }
04218e85b156 Move call_trace(..., PyTrace_CALL, ...) call to top of eval_frame. That
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 19611
diff changeset
764 }
04218e85b156 Move call_trace(..., PyTrace_CALL, ...) call to top of eval_frame. That
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 19611
diff changeset
765
26109
e61b946474df Assorted patches from Armin Rigo:
Michael W. Hudson <mwh@python.net>
parents: 26079
diff changeset
766 co = f->f_code;
e61b946474df Assorted patches from Armin Rigo:
Michael W. Hudson <mwh@python.net>
parents: 26079
diff changeset
767 names = co->co_names;
e61b946474df Assorted patches from Armin Rigo:
Michael W. Hudson <mwh@python.net>
parents: 26079
diff changeset
768 consts = co->co_consts;
e61b946474df Assorted patches from Armin Rigo:
Michael W. Hudson <mwh@python.net>
parents: 26079
diff changeset
769 fastlocals = f->f_localsplus;
38253
4bd299d00e4c Applied patch 1337051 by Neal Norwitz, saving 4 ints on frame objects.
Richard Jones <richard@commonground.com.au>
parents: 38217
diff changeset
770 freevars = f->f_localsplus + co->co_nlocals;
47527
52294af4b663 This reverts r63675 based on the discussion in this thread:
Gregory P. Smith <greg@mad-scientist.com>
parents: 47294
diff changeset
771 first_instr = (unsigned char*) PyString_AS_STRING(co->co_code);
26109
e61b946474df Assorted patches from Armin Rigo:
Michael W. Hudson <mwh@python.net>
parents: 26079
diff changeset
772 /* An explanation is in order for the next line.
e61b946474df Assorted patches from Armin Rigo:
Michael W. Hudson <mwh@python.net>
parents: 26079
diff changeset
773
e61b946474df Assorted patches from Armin Rigo:
Michael W. Hudson <mwh@python.net>
parents: 26079
diff changeset
774 f->f_lasti now refers to the index of the last instruction
e61b946474df Assorted patches from Armin Rigo:
Michael W. Hudson <mwh@python.net>
parents: 26079
diff changeset
775 executed. You might think this was obvious from the name, but
e61b946474df Assorted patches from Armin Rigo:
Michael W. Hudson <mwh@python.net>
parents: 26079
diff changeset
776 this wasn't always true before 2.3! PyFrame_New now sets
e61b946474df Assorted patches from Armin Rigo:
Michael W. Hudson <mwh@python.net>
parents: 26079
diff changeset
777 f->f_lasti to -1 (i.e. the index *before* the first instruction)
e61b946474df Assorted patches from Armin Rigo:
Michael W. Hudson <mwh@python.net>
parents: 26079
diff changeset
778 and YIELD_VALUE doesn't fiddle with f_lasti any more. So this
48077
30485bc17268 Raymond's patch for #1819: speedup function calls with named parameters
Antoine Pitrou <solipsis@pitrou.net>
parents: 47985
diff changeset
779 does work. Promise.
40560
07c4702020dc SF# 1409443: Expand comment to cover the interaction between f->f_lasti and the PREDICT macros.
Raymond Hettinger <python@rcn.com>
parents: 40405
diff changeset
780
07c4702020dc SF# 1409443: Expand comment to cover the interaction between f->f_lasti and the PREDICT macros.
Raymond Hettinger <python@rcn.com>
parents: 40405
diff changeset
781 When the PREDICT() macros are enabled, some opcode pairs follow in
48077
30485bc17268 Raymond's patch for #1819: speedup function calls with named parameters
Antoine Pitrou <solipsis@pitrou.net>
parents: 47985
diff changeset
782 direct succession without updating f->f_lasti. A successful
40560
07c4702020dc SF# 1409443: Expand comment to cover the interaction between f->f_lasti and the PREDICT macros.
Raymond Hettinger <python@rcn.com>
parents: 40405
diff changeset
783 prediction effectively links the two codes together as if they
07c4702020dc SF# 1409443: Expand comment to cover the interaction between f->f_lasti and the PREDICT macros.
Raymond Hettinger <python@rcn.com>
parents: 40405
diff changeset
784 were a single new opcode; accordingly,f->f_lasti will point to
07c4702020dc SF# 1409443: Expand comment to cover the interaction between f->f_lasti and the PREDICT macros.
Raymond Hettinger <python@rcn.com>
parents: 40405
diff changeset
785 the first code in the pair (for instance, GET_ITER followed by
07c4702020dc SF# 1409443: Expand comment to cover the interaction between f->f_lasti and the PREDICT macros.
Raymond Hettinger <python@rcn.com>
parents: 40405
diff changeset
786 FOR_ITER is effectively a single opcode and f->f_lasti will point
07c4702020dc SF# 1409443: Expand comment to cover the interaction between f->f_lasti and the PREDICT macros.
Raymond Hettinger <python@rcn.com>
parents: 40405
diff changeset
787 at to the beginning of the combined pair.)
07c4702020dc SF# 1409443: Expand comment to cover the interaction between f->f_lasti and the PREDICT macros.
Raymond Hettinger <python@rcn.com>
parents: 40405
diff changeset
788 */
26109
e61b946474df Assorted patches from Armin Rigo:
Michael W. Hudson <mwh@python.net>
parents: 26079
diff changeset
789 next_instr = first_instr + f->f_lasti + 1;
e61b946474df Assorted patches from Armin Rigo:
Michael W. Hudson <mwh@python.net>
parents: 26079
diff changeset
790 stack_pointer = f->f_stacktop;
e61b946474df Assorted patches from Armin Rigo:
Michael W. Hudson <mwh@python.net>
parents: 26079
diff changeset
791 assert(stack_pointer != NULL);
e61b946474df Assorted patches from Armin Rigo:
Michael W. Hudson <mwh@python.net>
parents: 26079
diff changeset
792 f->f_stacktop = NULL; /* remains NULL unless yield suspends frame */
e61b946474df Assorted patches from Armin Rigo:
Michael W. Hudson <mwh@python.net>
parents: 26079
diff changeset
793
18148
7bc473b2c654 Merging the gen-branch into the main line, at Guido's direction. Yay!
Tim Peters <tim.peters@gmail.com>
parents: 18136
diff changeset
794 #ifdef LLTRACE
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35609
diff changeset
795 lltrace = PyDict_GetItemString(f->f_globals, "__lltrace__") != NULL;
18148
7bc473b2c654 Merging the gen-branch into the main line, at Guido's direction. Yay!
Tim Peters <tim.peters@gmail.com>
parents: 18136
diff changeset
796 #endif
35745
407c3dacbd7c Fix some mods that got dropped from the AST merge
Neal Norwitz <nnorwitz@gmail.com>
parents: 35742
diff changeset
797 #if defined(Py_DEBUG) || defined(LLTRACE)
47527
52294af4b663 This reverts r63675 based on the discussion in this thread:
Gregory P. Smith <greg@mad-scientist.com>
parents: 47294
diff changeset
798 filename = PyString_AsString(co->co_filename);
18148
7bc473b2c654 Merging the gen-branch into the main line, at Guido's direction. Yay!
Tim Peters <tim.peters@gmail.com>
parents: 18136
diff changeset
799 #endif
15948
3bc2440427d3 Rich comparisons fall-out:
Guido van Rossum <guido@python.org>
parents: 15899
diff changeset
800
173
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
801 why = WHY_NOT;
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
802 err = 0;
5368
f2132d1f66a6 Quickly renamed.
Guido van Rossum <guido@python.org>
parents: 5177
diff changeset
803 x = Py_None; /* Not a reference, just anything non-NULL */
15152
ed49a67869e9 Remove the last gcc -Wall warning about possible use of an uninitialized
Fred Drake <fdrake@acm.org>
parents: 15151
diff changeset
804 w = NULL;
15948
3bc2440427d3 Rich comparisons fall-out:
Guido van Rossum <guido@python.org>
parents: 15899
diff changeset
805
37597
2b2e9c388fbb low-hanging fruit in Python/ - g++ still hates all the enum_kind declarations
Anthony Baxter <anthonybaxter@gmail.com>
parents: 37564
diff changeset
806 if (throwflag) { /* support for generator.throw() */
35298
b2fe5f8fcfdd PEP 342 implementation. Per Guido's comments, the generator throw()
Phillip J. Eby <pje@telecommunity.com>
parents: 35126
diff changeset
807 why = WHY_EXCEPTION;
b2fe5f8fcfdd PEP 342 implementation. Per Guido's comments, the generator throw()
Phillip J. Eby <pje@telecommunity.com>
parents: 35126
diff changeset
808 goto on_error;
b2fe5f8fcfdd PEP 342 implementation. Per Guido's comments, the generator throw()
Phillip J. Eby <pje@telecommunity.com>
parents: 35126
diff changeset
809 }
38418
708eaf0896bf Patch 1145039.
Tim Peters <tim.peters@gmail.com>
parents: 38352
diff changeset
810
173
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
811 for (;;) {
32301
41c59d80bbc5 Patch #510695: Add TSC profiling for the VM.
Martin v. Löwis <martin@v.loewis.de>
parents: 32247
diff changeset
812 #ifdef WITH_TSC
41c59d80bbc5 Patch #510695: Add TSC profiling for the VM.
Martin v. Löwis <martin@v.loewis.de>
parents: 32247
diff changeset
813 if (inst1 == 0) {
41c59d80bbc5 Patch #510695: Add TSC profiling for the VM.
Martin v. Löwis <martin@v.loewis.de>
parents: 32247
diff changeset
814 /* Almost surely, the opcode executed a break
41c59d80bbc5 Patch #510695: Add TSC profiling for the VM.
Martin v. Löwis <martin@v.loewis.de>
parents: 32247
diff changeset
815 or a continue, preventing inst1 from being set
41c59d80bbc5 Patch #510695: Add TSC profiling for the VM.
Martin v. Löwis <martin@v.loewis.de>
parents: 32247
diff changeset
816 on the way out of the loop.
41c59d80bbc5 Patch #510695: Add TSC profiling for the VM.
Martin v. Löwis <martin@v.loewis.de>
parents: 32247
diff changeset
817 */
34442
683719e04218 Change the name of the macro used by --with-tsc builds to the less
Michael W. Hudson <mwh@python.net>
parents: 34371
diff changeset
818 READ_TIMESTAMP(inst1);
32301
41c59d80bbc5 Patch #510695: Add TSC profiling for the VM.
Martin v. Löwis <martin@v.loewis.de>
parents: 32247
diff changeset
819 loop1 = inst1;
41c59d80bbc5 Patch #510695: Add TSC profiling for the VM.
Martin v. Löwis <martin@v.loewis.de>
parents: 32247
diff changeset
820 }
41c59d80bbc5 Patch #510695: Add TSC profiling for the VM.
Martin v. Löwis <martin@v.loewis.de>
parents: 32247
diff changeset
821 dump_tsc(opcode, ticked, inst0, inst1, loop0, loop1,
41c59d80bbc5 Patch #510695: Add TSC profiling for the VM.
Martin v. Löwis <martin@v.loewis.de>
parents: 32247
diff changeset
822 intr0, intr1);
41c59d80bbc5 Patch #510695: Add TSC profiling for the VM.
Martin v. Löwis <martin@v.loewis.de>
parents: 32247
diff changeset
823 ticked = 0;
41c59d80bbc5 Patch #510695: Add TSC profiling for the VM.
Martin v. Löwis <martin@v.loewis.de>
parents: 32247
diff changeset
824 inst1 = 0;
41c59d80bbc5 Patch #510695: Add TSC profiling for the VM.
Martin v. Löwis <martin@v.loewis.de>
parents: 32247
diff changeset
825 intr0 = 0;
41c59d80bbc5 Patch #510695: Add TSC profiling for the VM.
Martin v. Löwis <martin@v.loewis.de>
parents: 32247
diff changeset
826 intr1 = 0;
34442
683719e04218 Change the name of the macro used by --with-tsc builds to the less
Michael W. Hudson <mwh@python.net>
parents: 34371
diff changeset
827 READ_TIMESTAMP(loop0);
32301
41c59d80bbc5 Patch #510695: Add TSC profiling for the VM.
Martin v. Löwis <martin@v.loewis.de>
parents: 32247
diff changeset
828 #endif
24844
cf5928fab108 This is my patch
Michael W. Hudson <mwh@python.net>
parents: 24718
diff changeset
829 assert(stack_pointer >= f->f_valuestack); /* else underflow */
38253
4bd299d00e4c Applied patch 1337051 by Neal Norwitz, saving 4 ints on frame objects.
Richard Jones <richard@commonground.com.au>
parents: 38217
diff changeset
830 assert(STACK_LEVEL() <= co->co_stacksize); /* else overflow */
24844
cf5928fab108 This is my patch
Michael W. Hudson <mwh@python.net>
parents: 24718
diff changeset
831
5405
b7871ca930ad Massive changes for separate thread state management.
Guido van Rossum <guido@python.org>
parents: 5368
diff changeset
832 /* Do periodic things. Doing this every time through
b7871ca930ad Massive changes for separate thread state management.
Guido van Rossum <guido@python.org>
parents: 5368
diff changeset
833 the loop would add too much overhead, so we do it
b7871ca930ad Massive changes for separate thread state management.
Guido van Rossum <guido@python.org>
parents: 5368
diff changeset
834 only every Nth instruction. We also do it if
b7871ca930ad Massive changes for separate thread state management.
Guido van Rossum <guido@python.org>
parents: 5368
diff changeset
835 ``things_to_do'' is set, i.e. when an asynchronous
b7871ca930ad Massive changes for separate thread state management.
Guido van Rossum <guido@python.org>
parents: 5368
diff changeset
836 event needs attention (e.g. a signal handler or
b7871ca930ad Massive changes for separate thread state management.
Guido van Rossum <guido@python.org>
parents: 5368
diff changeset
837 async I/O handler); see Py_AddPendingCall() and
b7871ca930ad Massive changes for separate thread state management.
Guido van Rossum <guido@python.org>
parents: 5368
diff changeset
838 Py_MakePendingCalls() above. */
15948
3bc2440427d3 Rich comparisons fall-out:
Guido van Rossum <guido@python.org>
parents: 15899
diff changeset
839
25108
3a26e352f0a6 replace thread state objects' ticker and checkinterval fields with two
Skip Montanaro <skip@pobox.com>
parents: 25078
diff changeset
840 if (--_Py_Ticker < 0) {
43408
81478465fef3 Whitespace cleanup.
Thomas Wouters <thomas@python.org>
parents: 42333
diff changeset
841 if (*next_instr == SETUP_FINALLY) {
81478465fef3 Whitespace cleanup.
Thomas Wouters <thomas@python.org>
parents: 42333
diff changeset
842 /* Make the last opcode before
81478465fef3 Whitespace cleanup.
Thomas Wouters <thomas@python.org>
parents: 42333
diff changeset
843 a try: finally: block uninterruptable. */
81478465fef3 Whitespace cleanup.
Thomas Wouters <thomas@python.org>
parents: 42333
diff changeset
844 goto fast_next_opcode;
81478465fef3 Whitespace cleanup.
Thomas Wouters <thomas@python.org>
parents: 42333
diff changeset
845 }
25108
3a26e352f0a6 replace thread state objects' ticker and checkinterval fields with two
Skip Montanaro <skip@pobox.com>
parents: 25078
diff changeset
846 _Py_Ticker = _Py_CheckInterval;
26109
e61b946474df Assorted patches from Armin Rigo:
Michael W. Hudson <mwh@python.net>
parents: 26079
diff changeset
847 tstate->tick_counter++;
32301
41c59d80bbc5 Patch #510695: Add TSC profiling for the VM.
Martin v. Löwis <martin@v.loewis.de>
parents: 32247
diff changeset
848 #ifdef WITH_TSC
41c59d80bbc5 Patch #510695: Add TSC profiling for the VM.
Martin v. Löwis <martin@v.loewis.de>
parents: 32247
diff changeset
849 ticked = 1;
41c59d80bbc5 Patch #510695: Add TSC profiling for the VM.
Martin v. Löwis <martin@v.loewis.de>
parents: 32247
diff changeset
850 #endif
5405
b7871ca930ad Massive changes for separate thread state management.
Guido van Rossum <guido@python.org>
parents: 5368
diff changeset
851 if (things_to_do) {
3839
22e29b1747e1 Changes for slice and ellipses
Guido van Rossum <guido@python.org>
parents: 3694
diff changeset
852 if (Py_MakePendingCalls() < 0) {
22e29b1747e1 Changes for slice and ellipses
Guido van Rossum <guido@python.org>
parents: 3694
diff changeset
853 why = WHY_EXCEPTION;
22e29b1747e1 Changes for slice and ellipses
Guido van Rossum <guido@python.org>
parents: 3694
diff changeset
854 goto on_error;
22e29b1747e1 Changes for slice and ellipses
Guido van Rossum <guido@python.org>
parents: 3694
diff changeset
855 }
34020
be370abb020f Hye-Shik Chang's fix for Bug 875692.
Kurt B. Kaiser <kbk@shore.net>
parents: 33715
diff changeset
856 if (things_to_do)
be370abb020f Hye-Shik Chang's fix for Bug 875692.
Kurt B. Kaiser <kbk@shore.net>
parents: 33715
diff changeset
857 /* MakePendingCalls() didn't succeed.
be370abb020f Hye-Shik Chang's fix for Bug 875692.
Kurt B. Kaiser <kbk@shore.net>
parents: 33715
diff changeset
858 Force early re-execution of this
be370abb020f Hye-Shik Chang's fix for Bug 875692.
Kurt B. Kaiser <kbk@shore.net>
parents: 33715
diff changeset
859 "periodic" code, possibly after
be370abb020f Hye-Shik Chang's fix for Bug 875692.
Kurt B. Kaiser <kbk@shore.net>
parents: 33715
diff changeset
860 a thread switch */
be370abb020f Hye-Shik Chang's fix for Bug 875692.
Kurt B. Kaiser <kbk@shore.net>
parents: 33715
diff changeset
861 _Py_Ticker = 0;
3839
22e29b1747e1 Changes for slice and ellipses
Guido van Rossum <guido@python.org>
parents: 3694
diff changeset
862 }
1846
5243fb187d36 call_object: print message before abort()
Guido van Rossum <guido@python.org>
parents: 1425
diff changeset
863 #ifdef WITH_THREAD
923
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents: 815
diff changeset
864 if (interpreter_lock) {
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents: 815
diff changeset
865 /* Give another thread a chance */
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents: 815
diff changeset
866
5926
8d2194e22e67 The last of the mass checkins for separate (sub)interpreters.
Guido van Rossum <guido@python.org>
parents: 5911
diff changeset
867 if (PyThreadState_Swap(NULL) != tstate)
8d2194e22e67 The last of the mass checkins for separate (sub)interpreters.
Guido van Rossum <guido@python.org>
parents: 5911
diff changeset
868 Py_FatalError("ceval: tstate mix-up");
9679
877d23bd5bdc Thanks to Chris Herborth, the thread primitives now have proper Py*
Guido van Rossum <guido@python.org>
parents: 9671
diff changeset
869 PyThread_release_lock(interpreter_lock);
923
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents: 815
diff changeset
870
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents: 815
diff changeset
871 /* Other threads may run now */
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents: 815
diff changeset
872
9679
877d23bd5bdc Thanks to Chris Herborth, the thread primitives now have proper Py*
Guido van Rossum <guido@python.org>
parents: 9671
diff changeset
873 PyThread_acquire_lock(interpreter_lock, 1);
5926
8d2194e22e67 The last of the mass checkins for separate (sub)interpreters.
Guido van Rossum <guido@python.org>
parents: 5911
diff changeset
874 if (PyThreadState_Swap(tstate) != NULL)
8d2194e22e67 The last of the mass checkins for separate (sub)interpreters.
Guido van Rossum <guido@python.org>
parents: 5911
diff changeset
875 Py_FatalError("ceval: orphan tstate");
29643
fa97293533a9 Add PyThreadState_SetAsyncExc(long, PyObject *).
Guido van Rossum <guido@python.org>
parents: 29349
diff changeset
876
fa97293533a9 Add PyThreadState_SetAsyncExc(long, PyObject *).
Guido van Rossum <guido@python.org>
parents: 29349
diff changeset
877 /* Check for thread interrupts */
fa97293533a9 Add PyThreadState_SetAsyncExc(long, PyObject *).
Guido van Rossum <guido@python.org>
parents: 29349
diff changeset
878
fa97293533a9 Add PyThreadState_SetAsyncExc(long, PyObject *).
Guido van Rossum <guido@python.org>
parents: 29349
diff changeset
879 if (tstate->async_exc != NULL) {
fa97293533a9 Add PyThreadState_SetAsyncExc(long, PyObject *).
Guido van Rossum <guido@python.org>
parents: 29349
diff changeset
880 x = tstate->async_exc;
fa97293533a9 Add PyThreadState_SetAsyncExc(long, PyObject *).
Guido van Rossum <guido@python.org>
parents: 29349
diff changeset
881 tstate->async_exc = NULL;
fa97293533a9 Add PyThreadState_SetAsyncExc(long, PyObject *).
Guido van Rossum <guido@python.org>
parents: 29349
diff changeset
882 PyErr_SetNone(x);
fa97293533a9 Add PyThreadState_SetAsyncExc(long, PyObject *).
Guido van Rossum <guido@python.org>
parents: 29349
diff changeset
883 Py_DECREF(x);
fa97293533a9 Add PyThreadState_SetAsyncExc(long, PyObject *).
Guido van Rossum <guido@python.org>
parents: 29349
diff changeset
884 why = WHY_EXCEPTION;
fa97293533a9 Add PyThreadState_SetAsyncExc(long, PyObject *).
Guido van Rossum <guido@python.org>
parents: 29349
diff changeset
885 goto on_error;
fa97293533a9 Add PyThreadState_SetAsyncExc(long, PyObject *).
Guido van Rossum <guido@python.org>
parents: 29349
diff changeset
886 }
923
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents: 815
diff changeset
887 }
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents: 815
diff changeset
888 #endif
173
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
889 }
923
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents: 815
diff changeset
890
21974
052efc06520a Move some opcodes to top of big eval_frame switch statement. Skip
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 21935
diff changeset
891 fast_next_opcode:
26109
e61b946474df Assorted patches from Armin Rigo:
Michael W. Hudson <mwh@python.net>
parents: 26079
diff changeset
892 f->f_lasti = INSTR_OFFSET();
e61b946474df Assorted patches from Armin Rigo:
Michael W. Hudson <mwh@python.net>
parents: 26079
diff changeset
893
e61b946474df Assorted patches from Armin Rigo:
Michael W. Hudson <mwh@python.net>
parents: 26079
diff changeset
894 /* line-by-line tracing support */
e61b946474df Assorted patches from Armin Rigo:
Michael W. Hudson <mwh@python.net>
parents: 26079
diff changeset
895
50134
eeef71dd3cce Unblocked and merged revisions 67494 via svnmerge from
Jeffrey Yasskin <jyasskin@gmail.com>
parents: 50111
diff changeset
896 if (_Py_TracingPossible &&
eeef71dd3cce Unblocked and merged revisions 67494 via svnmerge from
Jeffrey Yasskin <jyasskin@gmail.com>
parents: 50111
diff changeset
897 tstate->c_tracefunc != NULL && !tstate->tracing) {
26109
e61b946474df Assorted patches from Armin Rigo:
Michael W. Hudson <mwh@python.net>
parents: 26079
diff changeset
898 /* see maybe_call_line_trace
e61b946474df Assorted patches from Armin Rigo:
Michael W. Hudson <mwh@python.net>
parents: 26079
diff changeset
899 for expository comments */
e61b946474df Assorted patches from Armin Rigo:
Michael W. Hudson <mwh@python.net>
parents: 26079
diff changeset
900 f->f_stacktop = stack_pointer;
31872
9f5fe6b23e59 Since the fast_yield branch target was introduced, it appears that most
Tim Peters <tim.peters@gmail.com>
parents: 31797
diff changeset
901
28886
af53729d3cdd Armin Rigo's fix & test for
Michael W. Hudson <mwh@python.net>
parents: 28759
diff changeset
902 err = maybe_call_line_trace(tstate->c_tracefunc,
af53729d3cdd Armin Rigo's fix & test for
Michael W. Hudson <mwh@python.net>
parents: 28759
diff changeset
903 tstate->c_traceobj,
31768
9817dee5d9df Fix SF bug #765624.
Armin Rigo <arigo@tunes.org>
parents: 31714
diff changeset
904 f, &instr_lb, &instr_ub,
9817dee5d9df Fix SF bug #765624.
Armin Rigo <arigo@tunes.org>
parents: 31714
diff changeset
905 &instr_prev);
28886
af53729d3cdd Armin Rigo's fix & test for
Michael W. Hudson <mwh@python.net>
parents: 28759
diff changeset
906 /* Reload possibly changed frame fields */
af53729d3cdd Armin Rigo's fix & test for
Michael W. Hudson <mwh@python.net>
parents: 28759
diff changeset
907 JUMPTO(f->f_lasti);
af53729d3cdd Armin Rigo's fix & test for
Michael W. Hudson <mwh@python.net>
parents: 28759
diff changeset
908 if (f->f_stacktop != NULL) {
af53729d3cdd Armin Rigo's fix & test for
Michael W. Hudson <mwh@python.net>
parents: 28759
diff changeset
909 stack_pointer = f->f_stacktop;
af53729d3cdd Armin Rigo's fix & test for
Michael W. Hudson <mwh@python.net>
parents: 28759
diff changeset
910 f->f_stacktop = NULL;
af53729d3cdd Armin Rigo's fix & test for
Michael W. Hudson <mwh@python.net>
parents: 28759
diff changeset
911 }
af53729d3cdd Armin Rigo's fix & test for
Michael W. Hudson <mwh@python.net>
parents: 28759
diff changeset
912 if (err) {
26110
964d6b79c22e This is Richie Hindle's patch:
Michael W. Hudson <mwh@python.net>
parents: 26109
diff changeset
913 /* trace function raised an exception */
964d6b79c22e This is Richie Hindle's patch:
Michael W. Hudson <mwh@python.net>
parents: 26109
diff changeset
914 goto on_error;
964d6b79c22e This is Richie Hindle's patch:
Michael W. Hudson <mwh@python.net>
parents: 26109
diff changeset
915 }
26109
e61b946474df Assorted patches from Armin Rigo:
Michael W. Hudson <mwh@python.net>
parents: 26079
diff changeset
916 }
e61b946474df Assorted patches from Armin Rigo:
Michael W. Hudson <mwh@python.net>
parents: 26079
diff changeset
917
173
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
918 /* Extract opcode and argument */
1016
a41e3ba5b47d Add some debugging features if DEBUG defined
Guido van Rossum <guido@python.org>
parents: 974
diff changeset
919
173
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
920 opcode = NEXTOP();
32359
e5bc947c44ca Performance tweak: allow stack_pointer and oparg to be register variables.
Armin Rigo <arigo@tunes.org>
parents: 32301
diff changeset
921 oparg = 0; /* allows oparg to be stored in a register because
e5bc947c44ca Performance tweak: allow stack_pointer and oparg to be register variables.
Armin Rigo <arigo@tunes.org>
parents: 32301
diff changeset
922 it doesn't have to be remembered across a full loop */
31894
310dd98ea064 Revert 2.393, elimination of pre-decrementing, which
Raymond Hettinger <python@rcn.com>
parents: 31880
diff changeset
923 if (HAS_ARG(opcode))
310dd98ea064 Revert 2.393, elimination of pre-decrementing, which
Raymond Hettinger <python@rcn.com>
parents: 31880
diff changeset
924 oparg = NEXTARG();
14147
21ec69a56228 Charles G. Waldman <cgw@fnal.gov>:
Fred Drake <fdrake@acm.org>
parents: 14100
diff changeset
925 dispatch_opcode:
5049
946b2b2a7622 Patches for (two forms of) optional dynamic execution profiling --
Guido van Rossum <guido@python.org>
parents: 5048
diff changeset
926 #ifdef DYNAMIC_EXECUTION_PROFILE
946b2b2a7622 Patches for (two forms of) optional dynamic execution profiling --
Guido van Rossum <guido@python.org>
parents: 5048
diff changeset
927 #ifdef DXPAIRS
946b2b2a7622 Patches for (two forms of) optional dynamic execution profiling --
Guido van Rossum <guido@python.org>
parents: 5048
diff changeset
928 dxpairs[lastopcode][opcode]++;
946b2b2a7622 Patches for (two forms of) optional dynamic execution profiling --
Guido van Rossum <guido@python.org>
parents: 5048
diff changeset
929 lastopcode = opcode;
946b2b2a7622 Patches for (two forms of) optional dynamic execution profiling --
Guido van Rossum <guido@python.org>
parents: 5048
diff changeset
930 #endif
946b2b2a7622 Patches for (two forms of) optional dynamic execution profiling --
Guido van Rossum <guido@python.org>
parents: 5048
diff changeset
931 dxp[opcode]++;
946b2b2a7622 Patches for (two forms of) optional dynamic execution profiling --
Guido van Rossum <guido@python.org>
parents: 5048
diff changeset
932 #endif
173
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
933
567
8c179d023583 User trace feature.
Guido van Rossum <guido@python.org>
parents: 565
diff changeset
934 #ifdef LLTRACE
173
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
935 /* Instruction tracing */
15948
3bc2440427d3 Rich comparisons fall-out:
Guido van Rossum <guido@python.org>
parents: 15899
diff changeset
936
567
8c179d023583 User trace feature.
Guido van Rossum <guido@python.org>
parents: 565
diff changeset
937 if (lltrace) {
173
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
938 if (HAS_ARG(opcode)) {
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
939 printf("%d: %d, %d\n",
24844
cf5928fab108 This is my patch
Michael W. Hudson <mwh@python.net>
parents: 24718
diff changeset
940 f->f_lasti, opcode, oparg);
173
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
941 }
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
942 else {
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
943 printf("%d: %d\n",
24844
cf5928fab108 This is my patch
Michael W. Hudson <mwh@python.net>
parents: 24718
diff changeset
944 f->f_lasti, opcode);
173
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
945 }
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
946 }
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
947 #endif
24844
cf5928fab108 This is my patch
Michael W. Hudson <mwh@python.net>
parents: 24718
diff changeset
948
173
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
949 /* Main switch on opcode */
34442
683719e04218 Change the name of the macro used by --with-tsc builds to the less
Michael W. Hudson <mwh@python.net>
parents: 34371
diff changeset
950 READ_TIMESTAMP(inst0);
15711
2481b5fe86d6 Revised implementation of CALL_FUNCTION and friends.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15364
diff changeset
951
173
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
952 switch (opcode) {
15948
3bc2440427d3 Rich comparisons fall-out:
Guido van Rossum <guido@python.org>
parents: 15899
diff changeset
953
173
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
954 /* BEWARE!
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
955 It is essential that any operation that fails sets either
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
956 x to NULL, err to nonzero, or why to anything but WHY_NOT,
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
957 and that no operation that succeeds does this! */
15948
3bc2440427d3 Rich comparisons fall-out:
Guido van Rossum <guido@python.org>
parents: 15899
diff changeset
958
173
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
959 /* case STOP_CODE: this is an error! */
15948
3bc2440427d3 Rich comparisons fall-out:
Guido van Rossum <guido@python.org>
parents: 15899
diff changeset
960
32395
6bc6abba8659 Install two code generation optimizations that depend on NOP.
Raymond Hettinger <python@rcn.com>
parents: 32359
diff changeset
961 case NOP:
6bc6abba8659 Install two code generation optimizations that depend on NOP.
Raymond Hettinger <python@rcn.com>
parents: 32359
diff changeset
962 goto fast_next_opcode;
6bc6abba8659 Install two code generation optimizations that depend on NOP.
Raymond Hettinger <python@rcn.com>
parents: 32359
diff changeset
963
21974
052efc06520a Move some opcodes to top of big eval_frame switch statement. Skip
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 21935
diff changeset
964 case LOAD_FAST:
052efc06520a Move some opcodes to top of big eval_frame switch statement. Skip
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 21935
diff changeset
965 x = GETLOCAL(oparg);
052efc06520a Move some opcodes to top of big eval_frame switch statement. Skip
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 21935
diff changeset
966 if (x != NULL) {
052efc06520a Move some opcodes to top of big eval_frame switch statement. Skip
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 21935
diff changeset
967 Py_INCREF(x);
052efc06520a Move some opcodes to top of big eval_frame switch statement. Skip
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 21935
diff changeset
968 PUSH(x);
052efc06520a Move some opcodes to top of big eval_frame switch statement. Skip
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 21935
diff changeset
969 goto fast_next_opcode;
052efc06520a Move some opcodes to top of big eval_frame switch statement. Skip
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 21935
diff changeset
970 }
052efc06520a Move some opcodes to top of big eval_frame switch statement. Skip
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 21935
diff changeset
971 format_exc_check_arg(PyExc_UnboundLocalError,
052efc06520a Move some opcodes to top of big eval_frame switch statement. Skip
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 21935
diff changeset
972 UNBOUNDLOCAL_ERROR_MSG,
052efc06520a Move some opcodes to top of big eval_frame switch statement. Skip
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 21935
diff changeset
973 PyTuple_GetItem(co->co_varnames, oparg));
052efc06520a Move some opcodes to top of big eval_frame switch statement. Skip
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 21935
diff changeset
974 break;
052efc06520a Move some opcodes to top of big eval_frame switch statement. Skip
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 21935
diff changeset
975
052efc06520a Move some opcodes to top of big eval_frame switch statement. Skip
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 21935
diff changeset
976 case LOAD_CONST:
24545
d2f41c8a81f0 small speedup for constant and name access
Skip Montanaro <skip@pobox.com>
parents: 24284
diff changeset
977 x = GETITEM(consts, oparg);
21974
052efc06520a Move some opcodes to top of big eval_frame switch statement. Skip
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 21935
diff changeset
978 Py_INCREF(x);
052efc06520a Move some opcodes to top of big eval_frame switch statement. Skip
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 21935
diff changeset
979 PUSH(x);
052efc06520a Move some opcodes to top of big eval_frame switch statement. Skip
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 21935
diff changeset
980 goto fast_next_opcode;
052efc06520a Move some opcodes to top of big eval_frame switch statement. Skip
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 21935
diff changeset
981
28304
b14d6741f496 Eliminate data dependency in predict macro.
Raymond Hettinger <python@rcn.com>
parents: 28303
diff changeset
982 PREDICTED_WITH_ARG(STORE_FAST);
21974
052efc06520a Move some opcodes to top of big eval_frame switch statement. Skip
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 21935
diff changeset
983 case STORE_FAST:
052efc06520a Move some opcodes to top of big eval_frame switch statement. Skip
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 21935
diff changeset
984 v = POP();
052efc06520a Move some opcodes to top of big eval_frame switch statement. Skip
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 21935
diff changeset
985 SETLOCAL(oparg, v);
052efc06520a Move some opcodes to top of big eval_frame switch statement. Skip
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 21935
diff changeset
986 goto fast_next_opcode;
052efc06520a Move some opcodes to top of big eval_frame switch statement. Skip
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 21935
diff changeset
987
28302
8c082936daaf Introduced macros for a simple opcode prediction protocol.
Raymond Hettinger <python@rcn.com>
parents: 28296
diff changeset
988 PREDICTED(POP_TOP);
173
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
989 case POP_TOP:
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
990 v = POP();
5368
f2132d1f66a6 Quickly renamed.
Guido van Rossum <guido@python.org>
parents: 5177
diff changeset
991 Py_DECREF(v);
21974
052efc06520a Move some opcodes to top of big eval_frame switch statement. Skip
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 21935
diff changeset
992 goto fast_next_opcode;
15948
3bc2440427d3 Rich comparisons fall-out:
Guido van Rossum <guido@python.org>
parents: 15899
diff changeset
993
173
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
994 case ROT_TWO:
27186
04aa86d49d93 SF patch #664320: Replace push/pop clusters in ceval.c
Raymond Hettinger <python@rcn.com>
parents: 26141
diff changeset
995 v = TOP();
04aa86d49d93 SF patch #664320: Replace push/pop clusters in ceval.c
Raymond Hettinger <python@rcn.com>
parents: 26141
diff changeset
996 w = SECOND();
04aa86d49d93 SF patch #664320: Replace push/pop clusters in ceval.c
Raymond Hettinger <python@rcn.com>
parents: 26141
diff changeset
997 SET_TOP(w);
04aa86d49d93 SF patch #664320: Replace push/pop clusters in ceval.c
Raymond Hettinger <python@rcn.com>
parents: 26141
diff changeset
998 SET_SECOND(v);
28296
7654c24decc4 SF patch #701907: More use of fast_next_opcode
Raymond Hettinger <python@rcn.com>
parents: 28121
diff changeset
999 goto fast_next_opcode;
15948
3bc2440427d3 Rich comparisons fall-out:
Guido van Rossum <guido@python.org>
parents: 15899
diff changeset
1000
173
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
1001 case ROT_THREE:
27186
04aa86d49d93 SF patch #664320: Replace push/pop clusters in ceval.c
Raymond Hettinger <python@rcn.com>
parents: 26141
diff changeset
1002 v = TOP();
04aa86d49d93 SF patch #664320: Replace push/pop clusters in ceval.c
Raymond Hettinger <python@rcn.com>
parents: 26141
diff changeset
1003 w = SECOND();
04aa86d49d93 SF patch #664320: Replace push/pop clusters in ceval.c
Raymond Hettinger <python@rcn.com>
parents: 26141
diff changeset
1004 x = THIRD();
04aa86d49d93 SF patch #664320: Replace push/pop clusters in ceval.c
Raymond Hettinger <python@rcn.com>
parents: 26141
diff changeset
1005 SET_TOP(w);
04aa86d49d93 SF patch #664320: Replace push/pop clusters in ceval.c
Raymond Hettinger <python@rcn.com>
parents: 26141
diff changeset
1006 SET_SECOND(x);
04aa86d49d93 SF patch #664320: Replace push/pop clusters in ceval.c
Raymond Hettinger <python@rcn.com>
parents: 26141
diff changeset
1007 SET_THIRD(v);
28296
7654c24decc4 SF patch #701907: More use of fast_next_opcode
Raymond Hettinger <python@rcn.com>
parents: 28121
diff changeset
1008 goto fast_next_opcode;
15948
3bc2440427d3 Rich comparisons fall-out:
Guido van Rossum <guido@python.org>
parents: 15899
diff changeset
1009
14163
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
1010 case ROT_FOUR:
27186
04aa86d49d93 SF patch #664320: Replace push/pop clusters in ceval.c
Raymond Hettinger <python@rcn.com>
parents: 26141
diff changeset
1011 u = TOP();
04aa86d49d93 SF patch #664320: Replace push/pop clusters in ceval.c
Raymond Hettinger <python@rcn.com>
parents: 26141
diff changeset
1012 v = SECOND();
04aa86d49d93 SF patch #664320: Replace push/pop clusters in ceval.c
Raymond Hettinger <python@rcn.com>
parents: 26141
diff changeset
1013 w = THIRD();
04aa86d49d93 SF patch #664320: Replace push/pop clusters in ceval.c
Raymond Hettinger <python@rcn.com>
parents: 26141
diff changeset
1014 x = FOURTH();
04aa86d49d93 SF patch #664320: Replace push/pop clusters in ceval.c
Raymond Hettinger <python@rcn.com>
parents: 26141
diff changeset
1015 SET_TOP(v);
04aa86d49d93 SF patch #664320: Replace push/pop clusters in ceval.c
Raymond Hettinger <python@rcn.com>
parents: 26141
diff changeset
1016 SET_SECOND(w);
04aa86d49d93 SF patch #664320: Replace push/pop clusters in ceval.c
Raymond Hettinger <python@rcn.com>
parents: 26141
diff changeset
1017 SET_THIRD(x);
04aa86d49d93 SF patch #664320: Replace push/pop clusters in ceval.c
Raymond Hettinger <python@rcn.com>
parents: 26141
diff changeset
1018 SET_FOURTH(u);
28296
7654c24decc4 SF patch #701907: More use of fast_next_opcode
Raymond Hettinger <python@rcn.com>
parents: 28121
diff changeset
1019 goto fast_next_opcode;
15948
3bc2440427d3 Rich comparisons fall-out:
Guido van Rossum <guido@python.org>
parents: 15899
diff changeset
1020
173
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
1021 case DUP_TOP:
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
1022 v = TOP();
5368
f2132d1f66a6 Quickly renamed.
Guido van Rossum <guido@python.org>
parents: 5177
diff changeset
1023 Py_INCREF(v);
173
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
1024 PUSH(v);
28296
7654c24decc4 SF patch #701907: More use of fast_next_opcode
Raymond Hettinger <python@rcn.com>
parents: 28121
diff changeset
1025 goto fast_next_opcode;
15948
3bc2440427d3 Rich comparisons fall-out:
Guido van Rossum <guido@python.org>
parents: 15899
diff changeset
1026
14163
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
1027 case DUP_TOPX:
27295
b8387730dd8f SF patch #670367: Micro-optimizations for ceval.c
Raymond Hettinger <python@rcn.com>
parents: 27243
diff changeset
1028 if (oparg == 2) {
27186
04aa86d49d93 SF patch #664320: Replace push/pop clusters in ceval.c
Raymond Hettinger <python@rcn.com>
parents: 26141
diff changeset
1029 x = TOP();
15151
ca9f6a8e9885 Attempt to fix bogus gcc -Wall warnings reported by Marc-Andre Lemburg,
Tim Peters <tim.peters@gmail.com>
parents: 14869
diff changeset
1030 Py_INCREF(x);
27186
04aa86d49d93 SF patch #664320: Replace push/pop clusters in ceval.c
Raymond Hettinger <python@rcn.com>
parents: 26141
diff changeset
1031 w = SECOND();
15151
ca9f6a8e9885 Attempt to fix bogus gcc -Wall warnings reported by Marc-Andre Lemburg,
Tim Peters <tim.peters@gmail.com>
parents: 14869
diff changeset
1032 Py_INCREF(w);
27186
04aa86d49d93 SF patch #664320: Replace push/pop clusters in ceval.c
Raymond Hettinger <python@rcn.com>
parents: 26141
diff changeset
1033 STACKADJ(2);
04aa86d49d93 SF patch #664320: Replace push/pop clusters in ceval.c
Raymond Hettinger <python@rcn.com>
parents: 26141
diff changeset
1034 SET_TOP(x);
04aa86d49d93 SF patch #664320: Replace push/pop clusters in ceval.c
Raymond Hettinger <python@rcn.com>
parents: 26141
diff changeset
1035 SET_SECOND(w);
28302
8c082936daaf Introduced macros for a simple opcode prediction protocol.
Raymond Hettinger <python@rcn.com>
parents: 28296
diff changeset
1036 goto fast_next_opcode;
27295
b8387730dd8f SF patch #670367: Micro-optimizations for ceval.c
Raymond Hettinger <python@rcn.com>
parents: 27243
diff changeset
1037 } else if (oparg == 3) {
27186
04aa86d49d93 SF patch #664320: Replace push/pop clusters in ceval.c
Raymond Hettinger <python@rcn.com>
parents: 26141
diff changeset
1038 x = TOP();
15151
ca9f6a8e9885 Attempt to fix bogus gcc -Wall warnings reported by Marc-Andre Lemburg,
Tim Peters <tim.peters@gmail.com>
parents: 14869
diff changeset
1039 Py_INCREF(x);
27186
04aa86d49d93 SF patch #664320: Replace push/pop clusters in ceval.c
Raymond Hettinger <python@rcn.com>
parents: 26141
diff changeset
1040 w = SECOND();
15151
ca9f6a8e9885 Attempt to fix bogus gcc -Wall warnings reported by Marc-Andre Lemburg,
Tim Peters <tim.peters@gmail.com>
parents: 14869
diff changeset
1041 Py_INCREF(w);
27186
04aa86d49d93 SF patch #664320: Replace push/pop clusters in ceval.c
Raymond Hettinger <python@rcn.com>
parents: 26141
diff changeset
1042 v = THIRD();
15151
ca9f6a8e9885 Attempt to fix bogus gcc -Wall warnings reported by Marc-Andre Lemburg,
Tim Peters <tim.peters@gmail.com>
parents: 14869
diff changeset
1043 Py_INCREF(v);
27186
04aa86d49d93 SF patch #664320: Replace push/pop clusters in ceval.c
Raymond Hettinger <python@rcn.com>
parents: 26141
diff changeset
1044 STACKADJ(3);
04aa86d49d93 SF patch #664320: Replace push/pop clusters in ceval.c
Raymond Hettinger <python@rcn.com>
parents: 26141
diff changeset
1045 SET_TOP(x);
04aa86d49d93 SF patch #664320: Replace push/pop clusters in ceval.c
Raymond Hettinger <python@rcn.com>
parents: 26141
diff changeset
1046 SET_SECOND(w);
04aa86d49d93 SF patch #664320: Replace push/pop clusters in ceval.c
Raymond Hettinger <python@rcn.com>
parents: 26141
diff changeset
1047 SET_THIRD(v);
28302
8c082936daaf Introduced macros for a simple opcode prediction protocol.
Raymond Hettinger <python@rcn.com>
parents: 28296
diff changeset
1048 goto fast_next_opcode;
14163
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
1049 }
27295
b8387730dd8f SF patch #670367: Micro-optimizations for ceval.c
Raymond Hettinger <python@rcn.com>
parents: 27243
diff changeset
1050 Py_FatalError("invalid argument to DUP_TOPX"
b8387730dd8f SF patch #670367: Micro-optimizations for ceval.c
Raymond Hettinger <python@rcn.com>
parents: 27243
diff changeset
1051 " (bytecode corruption?)");
50111
2f8c317dff17 Merged revisions 67666,67685 via svnmerge from
Jeffrey Yasskin <jyasskin@gmail.com>
parents: 50106
diff changeset
1052 /* Never returns, so don't bother to set why. */
15151
ca9f6a8e9885 Attempt to fix bogus gcc -Wall warnings reported by Marc-Andre Lemburg,
Tim Peters <tim.peters@gmail.com>
parents: 14869
diff changeset
1053 break;
14163
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
1054
173
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
1055 case UNARY_POSITIVE:
27186
04aa86d49d93 SF patch #664320: Replace push/pop clusters in ceval.c
Raymond Hettinger <python@rcn.com>
parents: 26141
diff changeset
1056 v = TOP();
5413
10267fdc7531 Used operators from abstract.h where possible (arithmetic operators,
Guido van Rossum <guido@python.org>
parents: 5405
diff changeset
1057 x = PyNumber_Positive(v);
5368
f2132d1f66a6 Quickly renamed.
Guido van Rossum <guido@python.org>
parents: 5177
diff changeset
1058 Py_DECREF(v);
27186
04aa86d49d93 SF patch #664320: Replace push/pop clusters in ceval.c
Raymond Hettinger <python@rcn.com>
parents: 26141
diff changeset
1059 SET_TOP(x);
5002
ae3b46a73765 Add "if (x != NULL) continue;" (or similar for err==0) before the
Guido van Rossum <guido@python.org>
parents: 4992
diff changeset
1060 if (x != NULL) continue;
173
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
1061 break;
15948
3bc2440427d3 Rich comparisons fall-out:
Guido van Rossum <guido@python.org>
parents: 15899
diff changeset
1062
173
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
1063 case UNARY_NEGATIVE:
27186
04aa86d49d93 SF patch #664320: Replace push/pop clusters in ceval.c
Raymond Hettinger <python@rcn.com>
parents: 26141
diff changeset
1064 v = TOP();
5413
10267fdc7531 Used operators from abstract.h where possible (arithmetic operators,
Guido van Rossum <guido@python.org>
parents: 5405
diff changeset
1065 x = PyNumber_Negative(v);
5368
f2132d1f66a6 Quickly renamed.
Guido van Rossum <guido@python.org>
parents: 5177
diff changeset
1066 Py_DECREF(v);
27186
04aa86d49d93 SF patch #664320: Replace push/pop clusters in ceval.c
Raymond Hettinger <python@rcn.com>
parents: 26141
diff changeset
1067 SET_TOP(x);
5002
ae3b46a73765 Add "if (x != NULL) continue;" (or similar for err==0) before the
Guido van Rossum <guido@python.org>
parents: 4992
diff changeset
1068 if (x != NULL) continue;
173
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
1069 break;
15948
3bc2440427d3 Rich comparisons fall-out:
Guido van Rossum <guido@python.org>
parents: 15899
diff changeset
1070
173
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
1071 case UNARY_NOT:
27186
04aa86d49d93 SF patch #664320: Replace push/pop clusters in ceval.c
Raymond Hettinger <python@rcn.com>
parents: 26141
diff changeset
1072 v = TOP();
5413
10267fdc7531 Used operators from abstract.h where possible (arithmetic operators,
Guido van Rossum <guido@python.org>
parents: 5405
diff changeset
1073 err = PyObject_IsTrue(v);
5368
f2132d1f66a6 Quickly renamed.
Guido van Rossum <guido@python.org>
parents: 5177
diff changeset
1074 Py_DECREF(v);
5413
10267fdc7531 Used operators from abstract.h where possible (arithmetic operators,
Guido van Rossum <guido@python.org>
parents: 5405
diff changeset
1075 if (err == 0) {
10267fdc7531 Used operators from abstract.h where possible (arithmetic operators,
Guido van Rossum <guido@python.org>
parents: 5405
diff changeset
1076 Py_INCREF(Py_True);
27186
04aa86d49d93 SF patch #664320: Replace push/pop clusters in ceval.c
Raymond Hettinger <python@rcn.com>
parents: 26141
diff changeset
1077 SET_TOP(Py_True);
5413
10267fdc7531 Used operators from abstract.h where possible (arithmetic operators,
Guido van Rossum <guido@python.org>
parents: 5405
diff changeset
1078 continue;
10267fdc7531 Used operators from abstract.h where possible (arithmetic operators,
Guido van Rossum <guido@python.org>
parents: 5405
diff changeset
1079 }
10267fdc7531 Used operators from abstract.h where possible (arithmetic operators,
Guido van Rossum <guido@python.org>
parents: 5405
diff changeset
1080 else if (err > 0) {
10267fdc7531 Used operators from abstract.h where possible (arithmetic operators,
Guido van Rossum <guido@python.org>
parents: 5405
diff changeset
1081 Py_INCREF(Py_False);
27186
04aa86d49d93 SF patch #664320: Replace push/pop clusters in ceval.c
Raymond Hettinger <python@rcn.com>
parents: 26141
diff changeset
1082 SET_TOP(Py_False);
5413
10267fdc7531 Used operators from abstract.h where possible (arithmetic operators,
Guido van Rossum <guido@python.org>
parents: 5405
diff changeset
1083 err = 0;
10267fdc7531 Used operators from abstract.h where possible (arithmetic operators,
Guido van Rossum <guido@python.org>
parents: 5405
diff changeset
1084 continue;
10267fdc7531 Used operators from abstract.h where possible (arithmetic operators,
Guido van Rossum <guido@python.org>
parents: 5405
diff changeset
1085 }
27243
3afbd55fb18f Replaced POP() with STACKADJ(-1) on lines where the result wasn't used.
Raymond Hettinger <python@rcn.com>
parents: 27201
diff changeset
1086 STACKADJ(-1);
173
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
1087 break;
15948
3bc2440427d3 Rich comparisons fall-out:
Guido van Rossum <guido@python.org>
parents: 15899
diff changeset
1088
173
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
1089 case UNARY_CONVERT:
27186
04aa86d49d93 SF patch #664320: Replace push/pop clusters in ceval.c
Raymond Hettinger <python@rcn.com>
parents: 26141
diff changeset
1090 v = TOP();
5368
f2132d1f66a6 Quickly renamed.
Guido van Rossum <guido@python.org>
parents: 5177
diff changeset
1091 x = PyObject_Repr(v);
f2132d1f66a6 Quickly renamed.
Guido van Rossum <guido@python.org>
parents: 5177
diff changeset
1092 Py_DECREF(v);
27186
04aa86d49d93 SF patch #664320: Replace push/pop clusters in ceval.c
Raymond Hettinger <python@rcn.com>
parents: 26141
diff changeset
1093 SET_TOP(x);
5002
ae3b46a73765 Add "if (x != NULL) continue;" (or similar for err==0) before the
Guido van Rossum <guido@python.org>
parents: 4992
diff changeset
1094 if (x != NULL) continue;
173
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
1095 break;
15948
3bc2440427d3 Rich comparisons fall-out:
Guido van Rossum <guido@python.org>
parents: 15899
diff changeset
1096
409
b5fe6482072f Added shift and mask ops.
Guido van Rossum <guido@python.org>
parents: 401
diff changeset
1097 case UNARY_INVERT:
27186
04aa86d49d93 SF patch #664320: Replace push/pop clusters in ceval.c
Raymond Hettinger <python@rcn.com>
parents: 26141
diff changeset
1098 v = TOP();
5413
10267fdc7531 Used operators from abstract.h where possible (arithmetic operators,
Guido van Rossum <guido@python.org>
parents: 5405
diff changeset
1099 x = PyNumber_Invert(v);
5368
f2132d1f66a6 Quickly renamed.
Guido van Rossum <guido@python.org>
parents: 5177
diff changeset
1100 Py_DECREF(v);
27186
04aa86d49d93 SF patch #664320: Replace push/pop clusters in ceval.c
Raymond Hettinger <python@rcn.com>
parents: 26141
diff changeset
1101 SET_TOP(x);
5002
ae3b46a73765 Add "if (x != NULL) continue;" (or similar for err==0) before the
Guido van Rossum <guido@python.org>
parents: 4992
diff changeset
1102 if (x != NULL) continue;
409
b5fe6482072f Added shift and mask ops.
Guido van Rossum <guido@python.org>
parents: 401
diff changeset
1103 break;
15948
3bc2440427d3 Rich comparisons fall-out:
Guido van Rossum <guido@python.org>
parents: 15899
diff changeset
1104
3324
36920bbd81a8 changes for complex and power (**) operator
Guido van Rossum <guido@python.org>
parents: 3294
diff changeset
1105 case BINARY_POWER:
36920bbd81a8 changes for complex and power (**) operator
Guido van Rossum <guido@python.org>
parents: 3294
diff changeset
1106 w = POP();
27186
04aa86d49d93 SF patch #664320: Replace push/pop clusters in ceval.c
Raymond Hettinger <python@rcn.com>
parents: 26141
diff changeset
1107 v = TOP();
5413
10267fdc7531 Used operators from abstract.h where possible (arithmetic operators,
Guido van Rossum <guido@python.org>
parents: 5405
diff changeset
1108 x = PyNumber_Power(v, w, Py_None);
5368
f2132d1f66a6 Quickly renamed.
Guido van Rossum <guido@python.org>
parents: 5177
diff changeset
1109 Py_DECREF(v);
f2132d1f66a6 Quickly renamed.
Guido van Rossum <guido@python.org>
parents: 5177
diff changeset
1110 Py_DECREF(w);
27186
04aa86d49d93 SF patch #664320: Replace push/pop clusters in ceval.c
Raymond Hettinger <python@rcn.com>
parents: 26141
diff changeset
1111 SET_TOP(x);
5002
ae3b46a73765 Add "if (x != NULL) continue;" (or similar for err==0) before the
Guido van Rossum <guido@python.org>
parents: 4992
diff changeset
1112 if (x != NULL) continue;
3324
36920bbd81a8 changes for complex and power (**) operator
Guido van Rossum <guido@python.org>
parents: 3294
diff changeset
1113 break;
15948
3bc2440427d3 Rich comparisons fall-out:
Guido van Rossum <guido@python.org>
parents: 15899
diff changeset
1114
173
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
1115 case BINARY_MULTIPLY:
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
1116 w = POP();
27186
04aa86d49d93 SF patch #664320: Replace push/pop clusters in ceval.c
Raymond Hettinger <python@rcn.com>
parents: 26141
diff changeset
1117 v = TOP();
5413
10267fdc7531 Used operators from abstract.h where possible (arithmetic operators,
Guido van Rossum <guido@python.org>
parents: 5405
diff changeset
1118 x = PyNumber_Multiply(v, w);
5368
f2132d1f66a6 Quickly renamed.
Guido van Rossum <guido@python.org>
parents: 5177
diff changeset
1119 Py_DECREF(v);
f2132d1f66a6 Quickly renamed.
Guido van Rossum <guido@python.org>
parents: 5177
diff changeset
1120 Py_DECREF(w);
27186
04aa86d49d93 SF patch #664320: Replace push/pop clusters in ceval.c
Raymond Hettinger <python@rcn.com>
parents: 26141
diff changeset
1121 SET_TOP(x);
5002
ae3b46a73765 Add "if (x != NULL) continue;" (or similar for err==0) before the
Guido van Rossum <guido@python.org>
parents: 4992
diff changeset
1122 if (x != NULL) continue;
173
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
1123 break;
15948
3bc2440427d3 Rich comparisons fall-out:
Guido van Rossum <guido@python.org>
parents: 15899
diff changeset
1124
173
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
1125 case BINARY_DIVIDE:
21251
45e1177424e1 SF bug #488514: -Qnew needs work
Tim Peters <tim.peters@gmail.com>
parents: 21171
diff changeset
1126 if (!_Py_QnewFlag) {
45e1177424e1 SF bug #488514: -Qnew needs work
Tim Peters <tim.peters@gmail.com>
parents: 21171
diff changeset
1127 w = POP();
27186
04aa86d49d93 SF patch #664320: Replace push/pop clusters in ceval.c
Raymond Hettinger <python@rcn.com>
parents: 26141
diff changeset
1128 v = TOP();
21251
45e1177424e1 SF bug #488514: -Qnew needs work
Tim Peters <tim.peters@gmail.com>
parents: 21171
diff changeset
1129 x = PyNumber_Divide(v, w);
45e1177424e1 SF bug #488514: -Qnew needs work
Tim Peters <tim.peters@gmail.com>
parents: 21171
diff changeset
1130 Py_DECREF(v);
45e1177424e1 SF bug #488514: -Qnew needs work
Tim Peters <tim.peters@gmail.com>
parents: 21171
diff changeset
1131 Py_DECREF(w);
27186
04aa86d49d93 SF patch #664320: Replace push/pop clusters in ceval.c
Raymond Hettinger <python@rcn.com>
parents: 26141
diff changeset
1132 SET_TOP(x);
21251
45e1177424e1 SF bug #488514: -Qnew needs work
Tim Peters <tim.peters@gmail.com>
parents: 21171
diff changeset
1133 if (x != NULL) continue;
45e1177424e1 SF bug #488514: -Qnew needs work
Tim Peters <tim.peters@gmail.com>
parents: 21171
diff changeset
1134 break;
45e1177424e1 SF bug #488514: -Qnew needs work
Tim Peters <tim.peters@gmail.com>
parents: 21171
diff changeset
1135 }
27186
04aa86d49d93 SF patch #664320: Replace push/pop clusters in ceval.c
Raymond Hettinger <python@rcn.com>
parents: 26141
diff changeset
1136 /* -Qnew is in effect: fall through to
21251
45e1177424e1 SF bug #488514: -Qnew needs work
Tim Peters <tim.peters@gmail.com>
parents: 21171
diff changeset
1137 BINARY_TRUE_DIVIDE */
45e1177424e1 SF bug #488514: -Qnew needs work
Tim Peters <tim.peters@gmail.com>
parents: 21171
diff changeset
1138 case BINARY_TRUE_DIVIDE:
173
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
1139 w = POP();
27186
04aa86d49d93 SF patch #664320: Replace push/pop clusters in ceval.c
Raymond Hettinger <python@rcn.com>
parents: 26141
diff changeset
1140 v = TOP();
21251
45e1177424e1 SF bug #488514: -Qnew needs work
Tim Peters <tim.peters@gmail.com>
parents: 21171
diff changeset
1141 x = PyNumber_TrueDivide(v, w);
5368
f2132d1f66a6 Quickly renamed.
Guido van Rossum <guido@python.org>
parents: 5177
diff changeset
1142 Py_DECREF(v);
f2132d1f66a6 Quickly renamed.
Guido van Rossum <guido@python.org>
parents: 5177
diff changeset
1143 Py_DECREF(w);
27186
04aa86d49d93 SF patch #664320: Replace push/pop clusters in ceval.c
Raymond Hettinger <python@rcn.com>
parents: 26141
diff changeset
1144 SET_TOP(x);
5002
ae3b46a73765 Add "if (x != NULL) continue;" (or similar for err==0) before the
Guido van Rossum <guido@python.org>
parents: 4992
diff changeset
1145 if (x != NULL) continue;
173
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
1146 break;
15948
3bc2440427d3 Rich comparisons fall-out:
Guido van Rossum <guido@python.org>
parents: 15899
diff changeset
1147
19051
f20727cc3d0f Implement PEP 238 in its (almost) full glory.
Guido van Rossum <guido@python.org>
parents: 18933
diff changeset
1148 case BINARY_FLOOR_DIVIDE:
f20727cc3d0f Implement PEP 238 in its (almost) full glory.
Guido van Rossum <guido@python.org>
parents: 18933
diff changeset
1149 w = POP();
27186
04aa86d49d93 SF patch #664320: Replace push/pop clusters in ceval.c
Raymond Hettinger <python@rcn.com>
parents: 26141
diff changeset
1150 v = TOP();
19051
f20727cc3d0f Implement PEP 238 in its (almost) full glory.
Guido van Rossum <guido@python.org>
parents: 18933
diff changeset
1151 x = PyNumber_FloorDivide(v, w);
f20727cc3d0f Implement PEP 238 in its (almost) full glory.
Guido van Rossum <guido@python.org>
parents: 18933
diff changeset
1152 Py_DECREF(v);
f20727cc3d0f Implement PEP 238 in its (almost) full glory.
Guido van Rossum <guido@python.org>
parents: 18933
diff changeset
1153 Py_DECREF(w);
27186
04aa86d49d93 SF patch #664320: Replace push/pop clusters in ceval.c
Raymond Hettinger <python@rcn.com>
parents: 26141
diff changeset
1154 SET_TOP(x);
19051
f20727cc3d0f Implement PEP 238 in its (almost) full glory.
Guido van Rossum <guido@python.org>
parents: 18933
diff changeset
1155 if (x != NULL) continue;
f20727cc3d0f Implement PEP 238 in its (almost) full glory.
Guido van Rossum <guido@python.org>
parents: 18933
diff changeset
1156 break;
f20727cc3d0f Implement PEP 238 in its (almost) full glory.
Guido van Rossum <guido@python.org>
parents: 18933
diff changeset
1157
173
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
1158 case BINARY_MODULO:
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
1159 w = POP();
27186
04aa86d49d93 SF patch #664320: Replace push/pop clusters in ceval.c
Raymond Hettinger <python@rcn.com>
parents: 26141
diff changeset
1160 v = TOP();
5413
10267fdc7531 Used operators from abstract.h where possible (arithmetic operators,
Guido van Rossum <guido@python.org>
parents: 5405
diff changeset
1161 x = PyNumber_Remainder(v, w);
5368
f2132d1f66a6 Quickly renamed.
Guido van Rossum <guido@python.org>
parents: 5177
diff changeset
1162 Py_DECREF(v);
f2132d1f66a6 Quickly renamed.
Guido van Rossum <guido@python.org>
parents: 5177
diff changeset
1163 Py_DECREF(w);
27186
04aa86d49d93 SF patch #664320: Replace push/pop clusters in ceval.c
Raymond Hettinger <python@rcn.com>
parents: 26141
diff changeset
1164 SET_TOP(x);
5002
ae3b46a73765 Add "if (x != NULL) continue;" (or similar for err==0) before the
Guido van Rossum <guido@python.org>
parents: 4992
diff changeset
1165 if (x != NULL) continue;
173
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
1166 break;
15948
3bc2440427d3 Rich comparisons fall-out:
Guido van Rossum <guido@python.org>
parents: 15899
diff changeset
1167
173
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
1168 case BINARY_ADD:
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
1169 w = POP();
27186
04aa86d49d93 SF patch #664320: Replace push/pop clusters in ceval.c
Raymond Hettinger <python@rcn.com>
parents: 26141
diff changeset
1170 v = TOP();
20273
2269cb371e05 Get rid of unique local ISSTRICTINT macro in favor of std PyInt_CheckExact.
Tim Peters <tim.peters@gmail.com>
parents: 20257
diff changeset
1171 if (PyInt_CheckExact(v) && PyInt_CheckExact(w)) {
5829
f1127d6fcd74 Huge speedup by inlining some common integer operations:
Guido van Rossum <guido@python.org>
parents: 5610
diff changeset
1172 /* INLINE: int + int */
f1127d6fcd74 Huge speedup by inlining some common integer operations:
Guido van Rossum <guido@python.org>
parents: 5610
diff changeset
1173 register long a, b, i;
9591
7f90736701a3 Use PyInt_AS_LONG macro instead of explicit inlining.
Guido van Rossum <guido@python.org>
parents: 9513
diff changeset
1174 a = PyInt_AS_LONG(v);
7f90736701a3 Use PyInt_AS_LONG macro instead of explicit inlining.
Guido van Rossum <guido@python.org>
parents: 9513
diff changeset
1175 b = PyInt_AS_LONG(w);
5829
f1127d6fcd74 Huge speedup by inlining some common integer operations:
Guido van Rossum <guido@python.org>
parents: 5610
diff changeset
1176 i = a + b;
19434
c140bd7d3bdc When an inlined operation on two small ints causes overflow, don't
Guido van Rossum <guido@python.org>
parents: 19369
diff changeset
1177 if ((i^a) < 0 && (i^b) < 0)
c140bd7d3bdc When an inlined operation on two small ints causes overflow, don't
Guido van Rossum <guido@python.org>
parents: 19369
diff changeset
1178 goto slow_add;
c140bd7d3bdc When an inlined operation on two small ints causes overflow, don't
Guido van Rossum <guido@python.org>
parents: 19369
diff changeset
1179 x = PyInt_FromLong(i);
5829
f1127d6fcd74 Huge speedup by inlining some common integer operations:
Guido van Rossum <guido@python.org>
parents: 5610
diff changeset
1180 }
47527
52294af4b663 This reverts r63675 based on the discussion in this thread:
Gregory P. Smith <greg@mad-scientist.com>
parents: 47294
diff changeset
1181 else if (PyString_CheckExact(v) &&
52294af4b663 This reverts r63675 based on the discussion in this thread:
Gregory P. Smith <greg@mad-scientist.com>
parents: 47294
diff changeset
1182 PyString_CheckExact(w)) {
32974
fb6ffd290cfb SF patch #980695: efficient string concatenation
Raymond Hettinger <python@rcn.com>
parents: 32900
diff changeset
1183 x = string_concatenate(v, w, f, next_instr);
fb6ffd290cfb SF patch #980695: efficient string concatenation
Raymond Hettinger <python@rcn.com>
parents: 32900
diff changeset
1184 /* string_concatenate consumed the ref to v */
fb6ffd290cfb SF patch #980695: efficient string concatenation
Raymond Hettinger <python@rcn.com>
parents: 32900
diff changeset
1185 goto skip_decref_vx;
fb6ffd290cfb SF patch #980695: efficient string concatenation
Raymond Hettinger <python@rcn.com>
parents: 32900
diff changeset
1186 }
19434
c140bd7d3bdc When an inlined operation on two small ints causes overflow, don't
Guido van Rossum <guido@python.org>
parents: 19369
diff changeset
1187 else {
c140bd7d3bdc When an inlined operation on two small ints causes overflow, don't
Guido van Rossum <guido@python.org>
parents: 19369
diff changeset
1188 slow_add:
5829
f1127d6fcd74 Huge speedup by inlining some common integer operations:
Guido van Rossum <guido@python.org>
parents: 5610
diff changeset
1189 x = PyNumber_Add(v, w);
19434
c140bd7d3bdc When an inlined operation on two small ints causes overflow, don't
Guido van Rossum <guido@python.org>
parents: 19369
diff changeset
1190 }
5368
f2132d1f66a6 Quickly renamed.
Guido van Rossum <guido@python.org>
parents: 5177
diff changeset
1191 Py_DECREF(v);
32974
fb6ffd290cfb SF patch #980695: efficient string concatenation
Raymond Hettinger <python@rcn.com>
parents: 32900
diff changeset
1192 skip_decref_vx:
5368
f2132d1f66a6 Quickly renamed.
Guido van Rossum <guido@python.org>
parents: 5177
diff changeset
1193 Py_DECREF(w);
27186
04aa86d49d93 SF patch #664320: Replace push/pop clusters in ceval.c
Raymond Hettinger <python@rcn.com>
parents: 26141
diff changeset
1194 SET_TOP(x);
5002
ae3b46a73765 Add "if (x != NULL) continue;" (or similar for err==0) before the
Guido van Rossum <guido@python.org>
parents: 4992
diff changeset
1195 if (x != NULL) continue;
173
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
1196 break;
15948
3bc2440427d3 Rich comparisons fall-out:
Guido van Rossum <guido@python.org>
parents: 15899
diff changeset
1197
173
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
1198 case BINARY_SUBTRACT:
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
1199 w = POP();
27186
04aa86d49d93 SF patch #664320: Replace push/pop clusters in ceval.c
Raymond Hettinger <python@rcn.com>
parents: 26141
diff changeset
1200 v = TOP();
20273
2269cb371e05 Get rid of unique local ISSTRICTINT macro in favor of std PyInt_CheckExact.
Tim Peters <tim.peters@gmail.com>
parents: 20257
diff changeset
1201 if (PyInt_CheckExact(v) && PyInt_CheckExact(w)) {
5829
f1127d6fcd74 Huge speedup by inlining some common integer operations:
Guido van Rossum <guido@python.org>
parents: 5610
diff changeset
1202 /* INLINE: int - int */
f1127d6fcd74 Huge speedup by inlining some common integer operations:
Guido van Rossum <guido@python.org>
parents: 5610
diff changeset
1203 register long a, b, i;
9591
7f90736701a3 Use PyInt_AS_LONG macro instead of explicit inlining.
Guido van Rossum <guido@python.org>
parents: 9513
diff changeset
1204 a = PyInt_AS_LONG(v);
7f90736701a3 Use PyInt_AS_LONG macro instead of explicit inlining.
Guido van Rossum <guido@python.org>
parents: 9513
diff changeset
1205 b = PyInt_AS_LONG(w);
5829
f1127d6fcd74 Huge speedup by inlining some common integer operations:
Guido van Rossum <guido@python.org>
parents: 5610
diff changeset
1206 i = a - b;
19434
c140bd7d3bdc When an inlined operation on two small ints causes overflow, don't
Guido van Rossum <guido@python.org>
parents: 19369
diff changeset
1207 if ((i^a) < 0 && (i^~b) < 0)
c140bd7d3bdc When an inlined operation on two small ints causes overflow, don't
Guido van Rossum <guido@python.org>
parents: 19369
diff changeset
1208 goto slow_sub;
c140bd7d3bdc When an inlined operation on two small ints causes overflow, don't
Guido van Rossum <guido@python.org>
parents: 19369
diff changeset
1209 x = PyInt_FromLong(i);
5829
f1127d6fcd74 Huge speedup by inlining some common integer operations:
Guido van Rossum <guido@python.org>
parents: 5610
diff changeset
1210 }
19434
c140bd7d3bdc When an inlined operation on two small ints causes overflow, don't
Guido van Rossum <guido@python.org>
parents: 19369
diff changeset
1211 else {
c140bd7d3bdc When an inlined operation on two small ints causes overflow, don't
Guido van Rossum <guido@python.org>
parents: 19369
diff changeset
1212 slow_sub:
5829
f1127d6fcd74 Huge speedup by inlining some common integer operations:
Guido van Rossum <guido@python.org>
parents: 5610
diff changeset
1213 x = PyNumber_Subtract(v, w);
19434
c140bd7d3bdc When an inlined operation on two small ints causes overflow, don't
Guido van Rossum <guido@python.org>
parents: 19369
diff changeset
1214 }
5368
f2132d1f66a6 Quickly renamed.
Guido van Rossum <guido@python.org>
parents: 5177
diff changeset
1215 Py_DECREF(v);
f2132d1f66a6 Quickly renamed.
Guido van Rossum <guido@python.org>
parents: 5177
diff changeset
1216 Py_DECREF(w);
27186
04aa86d49d93 SF patch #664320: Replace push/pop clusters in ceval.c
Raymond Hettinger <python@rcn.com>
parents: 26141
diff changeset
1217 SET_TOP(x);
5002
ae3b46a73765 Add "if (x != NULL) continue;" (or similar for err==0) before the
Guido van Rossum <guido@python.org>
parents: 4992
diff changeset
1218 if (x != NULL) continue;
173
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
1219 break;
15948
3bc2440427d3 Rich comparisons fall-out:
Guido van Rossum <guido@python.org>
parents: 15899
diff changeset
1220
173
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
1221 case BINARY_SUBSCR:
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
1222 w = POP();
27186
04aa86d49d93 SF patch #664320: Replace push/pop clusters in ceval.c
Raymond Hettinger <python@rcn.com>
parents: 26141
diff changeset
1223 v = TOP();
20275
167e7f98b51f Introduced the oddly-missing PyList_CheckExact(), and used it to replace
Tim Peters <tim.peters@gmail.com>
parents: 20273
diff changeset
1224 if (PyList_CheckExact(v) && PyInt_CheckExact(w)) {
5829
f1127d6fcd74 Huge speedup by inlining some common integer operations:
Guido van Rossum <guido@python.org>
parents: 5610
diff changeset
1225 /* INLINE: list[int] */
36803
8eaf9531a2de Use Py_ssize_t since we are working with list size below
Neal Norwitz <nnorwitz@gmail.com>
parents: 36756
diff changeset
1226 Py_ssize_t i = PyInt_AsSsize_t(w);
5829
f1127d6fcd74 Huge speedup by inlining some common integer operations:
Guido van Rossum <guido@python.org>
parents: 5610
diff changeset
1227 if (i < 0)
8652
97a1108b0eb2 # In case BINARY_SUBSCR, use proper PyList_GET* macros instead of inlining.
Guido van Rossum <guido@python.org>
parents: 8651
diff changeset
1228 i += PyList_GET_SIZE(v);
31878
26ee1b3eb345 Small code improvements for readability, code size, and/or speed.
Raymond Hettinger <python@rcn.com>
parents: 31875
diff changeset
1229 if (i >= 0 && i < PyList_GET_SIZE(v)) {
8652
97a1108b0eb2 # In case BINARY_SUBSCR, use proper PyList_GET* macros instead of inlining.
Guido van Rossum <guido@python.org>
parents: 8651
diff changeset
1230 x = PyList_GET_ITEM(v, i);
5829
f1127d6fcd74 Huge speedup by inlining some common integer operations:
Guido van Rossum <guido@python.org>
parents: 5610
diff changeset
1231 Py_INCREF(x);
f1127d6fcd74 Huge speedup by inlining some common integer operations:
Guido van Rossum <guido@python.org>
parents: 5610
diff changeset
1232 }
31878
26ee1b3eb345 Small code improvements for readability, code size, and/or speed.
Raymond Hettinger <python@rcn.com>
parents: 31875
diff changeset
1233 else
26ee1b3eb345 Small code improvements for readability, code size, and/or speed.
Raymond Hettinger <python@rcn.com>
parents: 31875
diff changeset
1234 goto slow_get;
5829
f1127d6fcd74 Huge speedup by inlining some common integer operations:
Guido van Rossum <guido@python.org>
parents: 5610
diff changeset
1235 }
f1127d6fcd74 Huge speedup by inlining some common integer operations:
Guido van Rossum <guido@python.org>
parents: 5610
diff changeset
1236 else
31878
26ee1b3eb345 Small code improvements for readability, code size, and/or speed.
Raymond Hettinger <python@rcn.com>
parents: 31875
diff changeset
1237 slow_get:
5829
f1127d6fcd74 Huge speedup by inlining some common integer operations:
Guido van Rossum <guido@python.org>
parents: 5610
diff changeset
1238 x = PyObject_GetItem(v, w);
5368
f2132d1f66a6 Quickly renamed.
Guido van Rossum <guido@python.org>
parents: 5177
diff changeset
1239 Py_DECREF(v);
f2132d1f66a6 Quickly renamed.
Guido van Rossum <guido@python.org>
parents: 5177
diff changeset
1240 Py_DECREF(w);
27186
04aa86d49d93 SF patch #664320: Replace push/pop clusters in ceval.c
Raymond Hettinger <python@rcn.com>
parents: 26141
diff changeset
1241 SET_TOP(x);
5002
ae3b46a73765 Add "if (x != NULL) continue;" (or similar for err==0) before the
Guido van Rossum <guido@python.org>
parents: 4992
diff changeset
1242 if (x != NULL) continue;
173
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
1243 break;
15948
3bc2440427d3 Rich comparisons fall-out:
Guido van Rossum <guido@python.org>
parents: 15899
diff changeset
1244
409
b5fe6482072f Added shift and mask ops.
Guido van Rossum <guido@python.org>
parents: 401
diff changeset
1245 case BINARY_LSHIFT:
b5fe6482072f Added shift and mask ops.
Guido van Rossum <guido@python.org>
parents: 401
diff changeset
1246 w = POP();
27186
04aa86d49d93 SF patch #664320: Replace push/pop clusters in ceval.c
Raymond Hettinger <python@rcn.com>
parents: 26141
diff changeset
1247 v = TOP();
5413
10267fdc7531 Used operators from abstract.h where possible (arithmetic operators,
Guido van Rossum <guido@python.org>
parents: 5405
diff changeset
1248 x = PyNumber_Lshift(v, w);
5368
f2132d1f66a6 Quickly renamed.
Guido van Rossum <guido@python.org>
parents: 5177
diff changeset
1249 Py_DECREF(v);
f2132d1f66a6 Quickly renamed.
Guido van Rossum <guido@python.org>
parents: 5177
diff changeset
1250 Py_DECREF(w);
27186
04aa86d49d93 SF patch #664320: Replace push/pop clusters in ceval.c
Raymond Hettinger <python@rcn.com>
parents: 26141
diff changeset
1251 SET_TOP(x);
5002
ae3b46a73765 Add "if (x != NULL) continue;" (or similar for err==0) before the
Guido van Rossum <guido@python.org>
parents: 4992
diff changeset
1252 if (x != NULL) continue;
409
b5fe6482072f Added shift and mask ops.
Guido van Rossum <guido@python.org>
parents: 401
diff changeset
1253 break;
15948
3bc2440427d3 Rich comparisons fall-out:
Guido van Rossum <guido@python.org>
parents: 15899
diff changeset
1254
409
b5fe6482072f Added shift and mask ops.
Guido van Rossum <guido@python.org>
parents: 401
diff changeset
1255 case BINARY_RSHIFT:
b5fe6482072f Added shift and mask ops.
Guido van Rossum <guido@python.org>
parents: 401
diff changeset
1256 w = POP();
27186
04aa86d49d93 SF patch #664320: Replace push/pop clusters in ceval.c
Raymond Hettinger <python@rcn.com>
parents: 26141
diff changeset
1257 v = TOP();
5413
10267fdc7531 Used operators from abstract.h where possible (arithmetic operators,
Guido van Rossum <guido@python.org>
parents: 5405
diff changeset
1258 x = PyNumber_Rshift(v, w);
5368
f2132d1f66a6 Quickly renamed.
Guido van Rossum <guido@python.org>
parents: 5177
diff changeset
1259 Py_DECREF(v);
f2132d1f66a6 Quickly renamed.
Guido van Rossum <guido@python.org>
parents: 5177
diff changeset
1260 Py_DECREF(w);
27186
04aa86d49d93 SF patch #664320: Replace push/pop clusters in ceval.c
Raymond Hettinger <python@rcn.com>
parents: 26141
diff changeset
1261 SET_TOP(x);
5002
ae3b46a73765 Add "if (x != NULL) continue;" (or similar for err==0) before the
Guido van Rossum <guido@python.org>
parents: 4992
diff changeset
1262 if (x != NULL) continue;
409
b5fe6482072f Added shift and mask ops.
Guido van Rossum <guido@python.org>
parents: 401
diff changeset
1263 break;
15948
3bc2440427d3 Rich comparisons fall-out:
Guido van Rossum <guido@python.org>
parents: 15899
diff changeset
1264
409
b5fe6482072f Added shift and mask ops.
Guido van Rossum <guido@python.org>
parents: 401
diff changeset
1265 case BINARY_AND:
b5fe6482072f Added shift and mask ops.
Guido van Rossum <guido@python.org>
parents: 401
diff changeset
1266 w = POP();
27186
04aa86d49d93 SF patch #664320: Replace push/pop clusters in ceval.c
Raymond Hettinger <python@rcn.com>
parents: 26141
diff changeset
1267 v = TOP();
5413
10267fdc7531 Used operators from abstract.h where possible (arithmetic operators,
Guido van Rossum <guido@python.org>
parents: 5405
diff changeset
1268 x = PyNumber_And(v, w);
5368
f2132d1f66a6 Quickly renamed.
Guido van Rossum <guido@python.org>
parents: 5177
diff changeset
1269 Py_DECREF(v);
f2132d1f66a6 Quickly renamed.
Guido van Rossum <guido@python.org>
parents: 5177
diff changeset
1270 Py_DECREF(w);
27186
04aa86d49d93 SF patch #664320: Replace push/pop clusters in ceval.c
Raymond Hettinger <python@rcn.com>
parents: 26141
diff changeset
1271 SET_TOP(x);
5002
ae3b46a73765 Add "if (x != NULL) continue;" (or similar for err==0) before the
Guido van Rossum <guido@python.org>
parents: 4992
diff changeset
1272 if (x != NULL) continue;
409
b5fe6482072f Added shift and mask ops.
Guido van Rossum <guido@python.org>
parents: 401
diff changeset
1273 break;
15948
3bc2440427d3 Rich comparisons fall-out:
Guido van Rossum <guido@python.org>
parents: 15899
diff changeset
1274
409
b5fe6482072f Added shift and mask ops.
Guido van Rossum <guido@python.org>
parents: 401
diff changeset
1275 case BINARY_XOR:
b5fe6482072f Added shift and mask ops.
Guido van Rossum <guido@python.org>
parents: 401
diff changeset
1276 w = POP();
27186
04aa86d49d93 SF patch #664320: Replace push/pop clusters in ceval.c
Raymond Hettinger <python@rcn.com>
parents: 26141
diff changeset
1277 v = TOP();
5413
10267fdc7531 Used operators from abstract.h where possible (arithmetic operators,
Guido van Rossum <guido@python.org>
parents: 5405
diff changeset
1278 x = PyNumber_Xor(v, w);
5368
f2132d1f66a6 Quickly renamed.
Guido van Rossum <guido@python.org>
parents: 5177
diff changeset
1279 Py_DECREF(v);
f2132d1f66a6 Quickly renamed.
Guido van Rossum <guido@python.org>
parents: 5177
diff changeset
1280 Py_DECREF(w);
27186
04aa86d49d93 SF patch #664320: Replace push/pop clusters in ceval.c
Raymond Hettinger <python@rcn.com>
parents: 26141
diff changeset
1281 SET_TOP(x);
5002
ae3b46a73765 Add "if (x != NULL) continue;" (or similar for err==0) before the
Guido van Rossum <guido@python.org>
parents: 4992
diff changeset
1282 if (x != NULL) continue;
409
b5fe6482072f Added shift and mask ops.
Guido van Rossum <guido@python.org>
parents: 401
diff changeset
1283 break;
15948
3bc2440427d3 Rich comparisons fall-out:
Guido van Rossum <guido@python.org>
parents: 15899
diff changeset
1284
409
b5fe6482072f Added shift and mask ops.
Guido van Rossum <guido@python.org>
parents: 401
diff changeset
1285 case BINARY_OR:
b5fe6482072f Added shift and mask ops.
Guido van Rossum <guido@python.org>
parents: 401
diff changeset
1286 w = POP();
27186
04aa86d49d93 SF patch #664320: Replace push/pop clusters in ceval.c
Raymond Hettinger <python@rcn.com>
parents: 26141
diff changeset
1287 v = TOP();
5413
10267fdc7531 Used operators from abstract.h where possible (arithmetic operators,
Guido van Rossum <guido@python.org>
parents: 5405
diff changeset
1288 x = PyNumber_Or(v, w);
5368
f2132d1f66a6 Quickly renamed.
Guido van Rossum <guido@python.org>
parents: 5177
diff changeset
1289 Py_DECREF(v);
f2132d1f66a6 Quickly renamed.
Guido van Rossum <guido@python.org>
parents: 5177
diff changeset
1290 Py_DECREF(w);
27186
04aa86d49d93 SF patch #664320: Replace push/pop clusters in ceval.c
Raymond Hettinger <python@rcn.com>
parents: 26141
diff changeset
1291 SET_TOP(x);
5002
ae3b46a73765 Add "if (x != NULL) continue;" (or similar for err==0) before the
Guido van Rossum <guido@python.org>
parents: 4992
diff changeset
1292 if (x != NULL) continue;
409
b5fe6482072f Added shift and mask ops.
Guido van Rossum <guido@python.org>
parents: 401
diff changeset
1293 break;
14163
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
1294
31618
bc006682acb2 SF patch #910929: Optimize list comprehensions
Raymond Hettinger <python@rcn.com>
parents: 31606
diff changeset
1295 case LIST_APPEND:
bc006682acb2 SF patch #910929: Optimize list comprehensions
Raymond Hettinger <python@rcn.com>
parents: 31606
diff changeset
1296 w = POP();
bc006682acb2 SF patch #910929: Optimize list comprehensions
Raymond Hettinger <python@rcn.com>
parents: 31606
diff changeset
1297 v = POP();
bc006682acb2 SF patch #910929: Optimize list comprehensions
Raymond Hettinger <python@rcn.com>
parents: 31606
diff changeset
1298 err = PyList_Append(v, w);
bc006682acb2 SF patch #910929: Optimize list comprehensions
Raymond Hettinger <python@rcn.com>
parents: 31606
diff changeset
1299 Py_DECREF(v);
bc006682acb2 SF patch #910929: Optimize list comprehensions
Raymond Hettinger <python@rcn.com>
parents: 31606
diff changeset
1300 Py_DECREF(w);
31649
243642bbd03f LIST_APPEND is predicably followed by JUMP_ABSOLUTE.
Raymond Hettinger <python@rcn.com>
parents: 31647
diff changeset
1301 if (err == 0) {
243642bbd03f LIST_APPEND is predicably followed by JUMP_ABSOLUTE.
Raymond Hettinger <python@rcn.com>
parents: 31647
diff changeset
1302 PREDICT(JUMP_ABSOLUTE);
243642bbd03f LIST_APPEND is predicably followed by JUMP_ABSOLUTE.
Raymond Hettinger <python@rcn.com>
parents: 31647
diff changeset
1303 continue;
243642bbd03f LIST_APPEND is predicably followed by JUMP_ABSOLUTE.
Raymond Hettinger <python@rcn.com>
parents: 31647
diff changeset
1304 }
31618
bc006682acb2 SF patch #910929: Optimize list comprehensions
Raymond Hettinger <python@rcn.com>
parents: 31606
diff changeset
1305 break;
bc006682acb2 SF patch #910929: Optimize list comprehensions
Raymond Hettinger <python@rcn.com>
parents: 31606
diff changeset
1306
14163
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
1307 case INPLACE_POWER:
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
1308 w = POP();
27186
04aa86d49d93 SF patch #664320: Replace push/pop clusters in ceval.c
Raymond Hettinger <python@rcn.com>
parents: 26141
diff changeset
1309 v = TOP();
14163
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
1310 x = PyNumber_InPlacePower(v, w, Py_None);
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
1311 Py_DECREF(v);
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
1312 Py_DECREF(w);
27186
04aa86d49d93 SF patch #664320: Replace push/pop clusters in ceval.c
Raymond Hettinger <python@rcn.com>
parents: 26141
diff changeset
1313 SET_TOP(x);
14163
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
1314 if (x != NULL) continue;
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
1315 break;
15948
3bc2440427d3 Rich comparisons fall-out:
Guido van Rossum <guido@python.org>
parents: 15899
diff changeset
1316
14163
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
1317 case INPLACE_MULTIPLY:
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
1318 w = POP();
27186
04aa86d49d93 SF patch #664320: Replace push/pop clusters in ceval.c
Raymond Hettinger <python@rcn.com>
parents: 26141
diff changeset
1319 v = TOP();
14163
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
1320 x = PyNumber_InPlaceMultiply(v, w);
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
1321 Py_DECREF(v);
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
1322 Py_DECREF(w);
27186
04aa86d49d93 SF patch #664320: Replace push/pop clusters in ceval.c
Raymond Hettinger <python@rcn.com>
parents: 26141
diff changeset
1323 SET_TOP(x);
14163
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
1324 if (x != NULL) continue;
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
1325 break;
15948
3bc2440427d3 Rich comparisons fall-out:
Guido van Rossum <guido@python.org>
parents: 15899
diff changeset
1326
14163
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
1327 case INPLACE_DIVIDE:
21537
ca27d82ac89b SF bug #496549 -Qnew and in-place division "/=".
Tim Peters <tim.peters@gmail.com>
parents: 21477
diff changeset
1328 if (!_Py_QnewFlag) {
ca27d82ac89b SF bug #496549 -Qnew and in-place division "/=".
Tim Peters <tim.peters@gmail.com>
parents: 21477
diff changeset
1329 w = POP();
27186
04aa86d49d93 SF patch #664320: Replace push/pop clusters in ceval.c
Raymond Hettinger <python@rcn.com>
parents: 26141
diff changeset
1330 v = TOP();
21537
ca27d82ac89b SF bug #496549 -Qnew and in-place division "/=".
Tim Peters <tim.peters@gmail.com>
parents: 21477
diff changeset
1331 x = PyNumber_InPlaceDivide(v, w);
ca27d82ac89b SF bug #496549 -Qnew and in-place division "/=".
Tim Peters <tim.peters@gmail.com>
parents: 21477
diff changeset
1332 Py_DECREF(v);
ca27d82ac89b SF bug #496549 -Qnew and in-place division "/=".
Tim Peters <tim.peters@gmail.com>
parents: 21477
diff changeset
1333 Py_DECREF(w);
27186
04aa86d49d93 SF patch #664320: Replace push/pop clusters in ceval.c
Raymond Hettinger <python@rcn.com>
parents: 26141
diff changeset
1334 SET_TOP(x);
21537
ca27d82ac89b SF bug #496549 -Qnew and in-place division "/=".
Tim Peters <tim.peters@gmail.com>
parents: 21477
diff changeset
1335 if (x != NULL) continue;
ca27d82ac89b SF bug #496549 -Qnew and in-place division "/=".
Tim Peters <tim.peters@gmail.com>
parents: 21477
diff changeset
1336 break;
ca27d82ac89b SF bug #496549 -Qnew and in-place division "/=".
Tim Peters <tim.peters@gmail.com>
parents: 21477
diff changeset
1337 }
27186
04aa86d49d93 SF patch #664320: Replace push/pop clusters in ceval.c
Raymond Hettinger <python@rcn.com>
parents: 26141
diff changeset
1338 /* -Qnew is in effect: fall through to
21537
ca27d82ac89b SF bug #496549 -Qnew and in-place division "/=".
Tim Peters <tim.peters@gmail.com>
parents: 21477
diff changeset
1339 INPLACE_TRUE_DIVIDE */
ca27d82ac89b SF bug #496549 -Qnew and in-place division "/=".
Tim Peters <tim.peters@gmail.com>
parents: 21477
diff changeset
1340 case INPLACE_TRUE_DIVIDE:
14163
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
1341 w = POP();
27186
04aa86d49d93 SF patch #664320: Replace push/pop clusters in ceval.c
Raymond Hettinger <python@rcn.com>
parents: 26141
diff changeset
1342 v = TOP();
21537
ca27d82ac89b SF bug #496549 -Qnew and in-place division "/=".
Tim Peters <tim.peters@gmail.com>
parents: 21477
diff changeset
1343 x = PyNumber_InPlaceTrueDivide(v, w);
14163
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
1344 Py_DECREF(v);
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
1345 Py_DECREF(w);
27186
04aa86d49d93 SF patch #664320: Replace push/pop clusters in ceval.c
Raymond Hettinger <python@rcn.com>
parents: 26141
diff changeset
1346 SET_TOP(x);
14163
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
1347 if (x != NULL) continue;
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
1348 break;
15948
3bc2440427d3 Rich comparisons fall-out:
Guido van Rossum <guido@python.org>
parents: 15899
diff changeset
1349
19051
f20727cc3d0f Implement PEP 238 in its (almost) full glory.
Guido van Rossum <guido@python.org>
parents: 18933
diff changeset
1350 case INPLACE_FLOOR_DIVIDE:
f20727cc3d0f Implement PEP 238 in its (almost) full glory.
Guido van Rossum <guido@python.org>
parents: 18933
diff changeset
1351 w = POP();
27186
04aa86d49d93 SF patch #664320: Replace push/pop clusters in ceval.c
Raymond Hettinger <python@rcn.com>
parents: 26141
diff changeset
1352 v = TOP();
19051
f20727cc3d0f Implement PEP 238 in its (almost) full glory.
Guido van Rossum <guido@python.org>
parents: 18933
diff changeset
1353 x = PyNumber_InPlaceFloorDivide(v, w);
f20727cc3d0f Implement PEP 238 in its (almost) full glory.
Guido van Rossum <guido@python.org>
parents: 18933
diff changeset
1354 Py_DECREF(v);
f20727cc3d0f Implement PEP 238 in its (almost) full glory.
Guido van Rossum <guido@python.org>
parents: 18933
diff changeset
1355 Py_DECREF(w);
27186
04aa86d49d93 SF patch #664320: Replace push/pop clusters in ceval.c
Raymond Hettinger <python@rcn.com>
parents: 26141
diff changeset
1356 SET_TOP(x);
19051
f20727cc3d0f Implement PEP 238 in its (almost) full glory.
Guido van Rossum <guido@python.org>
parents: 18933
diff changeset
1357 if (x != NULL) continue;
f20727cc3d0f Implement PEP 238 in its (almost) full glory.
Guido van Rossum <guido@python.org>
parents: 18933
diff changeset
1358 break;
f20727cc3d0f Implement PEP 238 in its (almost) full glory.
Guido van Rossum <guido@python.org>
parents: 18933
diff changeset
1359
14163
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
1360 case INPLACE_MODULO:
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
1361 w = POP();
27186
04aa86d49d93 SF patch #664320: Replace push/pop clusters in ceval.c
Raymond Hettinger <python@rcn.com>
parents: 26141
diff changeset
1362 v = TOP();
14163
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
1363 x = PyNumber_InPlaceRemainder(v, w);
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
1364 Py_DECREF(v);
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
1365 Py_DECREF(w);
27186
04aa86d49d93 SF patch #664320: Replace push/pop clusters in ceval.c
Raymond Hettinger <python@rcn.com>
parents: 26141
diff changeset
1366 SET_TOP(x);
14163
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
1367 if (x != NULL) continue;
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
1368 break;
15948
3bc2440427d3 Rich comparisons fall-out:
Guido van Rossum <guido@python.org>
parents: 15899
diff changeset
1369
14163
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
1370 case INPLACE_ADD:
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
1371 w = POP();
27186
04aa86d49d93 SF patch #664320: Replace push/pop clusters in ceval.c
Raymond Hettinger <python@rcn.com>
parents: 26141
diff changeset
1372 v = TOP();
20273
2269cb371e05 Get rid of unique local ISSTRICTINT macro in favor of std PyInt_CheckExact.
Tim Peters <tim.peters@gmail.com>
parents: 20257
diff changeset
1373 if (PyInt_CheckExact(v) && PyInt_CheckExact(w)) {
14163
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
1374 /* INLINE: int + int */
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
1375 register long a, b, i;
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
1376 a = PyInt_AS_LONG(v);
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
1377 b = PyInt_AS_LONG(w);
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
1378 i = a + b;
19434
c140bd7d3bdc When an inlined operation on two small ints causes overflow, don't
Guido van Rossum <guido@python.org>
parents: 19369
diff changeset
1379 if ((i^a) < 0 && (i^b) < 0)
c140bd7d3bdc When an inlined operation on two small ints causes overflow, don't
Guido van Rossum <guido@python.org>
parents: 19369
diff changeset
1380 goto slow_iadd;
c140bd7d3bdc When an inlined operation on two small ints causes overflow, don't
Guido van Rossum <guido@python.org>
parents: 19369
diff changeset
1381 x = PyInt_FromLong(i);
14163
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
1382 }
47527
52294af4b663 This reverts r63675 based on the discussion in this thread:
Gregory P. Smith <greg@mad-scientist.com>
parents: 47294
diff changeset
1383 else if (PyString_CheckExact(v) &&
52294af4b663 This reverts r63675 based on the discussion in this thread:
Gregory P. Smith <greg@mad-scientist.com>
parents: 47294
diff changeset
1384 PyString_CheckExact(w)) {
32974
fb6ffd290cfb SF patch #980695: efficient string concatenation
Raymond Hettinger <python@rcn.com>
parents: 32900
diff changeset
1385 x = string_concatenate(v, w, f, next_instr);
fb6ffd290cfb SF patch #980695: efficient string concatenation
Raymond Hettinger <python@rcn.com>
parents: 32900
diff changeset
1386 /* string_concatenate consumed the ref to v */
fb6ffd290cfb SF patch #980695: efficient string concatenation
Raymond Hettinger <python@rcn.com>
parents: 32900
diff changeset
1387 goto skip_decref_v;
fb6ffd290cfb SF patch #980695: efficient string concatenation
Raymond Hettinger <python@rcn.com>
parents: 32900
diff changeset
1388 }
19434
c140bd7d3bdc When an inlined operation on two small ints causes overflow, don't
Guido van Rossum <guido@python.org>
parents: 19369
diff changeset
1389 else {
c140bd7d3bdc When an inlined operation on two small ints causes overflow, don't
Guido van Rossum <guido@python.org>
parents: 19369
diff changeset
1390 slow_iadd:
14163
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
1391 x = PyNumber_InPlaceAdd(v, w);
19434
c140bd7d3bdc When an inlined operation on two small ints causes overflow, don't
Guido van Rossum <guido@python.org>
parents: 19369
diff changeset
1392 }
14163
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
1393 Py_DECREF(v);
32974
fb6ffd290cfb SF patch #980695: efficient string concatenation
Raymond Hettinger <python@rcn.com>
parents: 32900
diff changeset
1394 skip_decref_v:
14163
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
1395 Py_DECREF(w);
27186
04aa86d49d93 SF patch #664320: Replace push/pop clusters in ceval.c
Raymond Hettinger <python@rcn.com>
parents: 26141
diff changeset
1396 SET_TOP(x);
14163
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
1397 if (x != NULL) continue;
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
1398 break;
15948
3bc2440427d3 Rich comparisons fall-out:
Guido van Rossum <guido@python.org>
parents: 15899
diff changeset
1399
14163
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
1400 case INPLACE_SUBTRACT:
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
1401 w = POP();
27186
04aa86d49d93 SF patch #664320: Replace push/pop clusters in ceval.c
Raymond Hettinger <python@rcn.com>
parents: 26141
diff changeset
1402 v = TOP();
20273
2269cb371e05 Get rid of unique local ISSTRICTINT macro in favor of std PyInt_CheckExact.
Tim Peters <tim.peters@gmail.com>
parents: 20257
diff changeset
1403 if (PyInt_CheckExact(v) && PyInt_CheckExact(w)) {
14163
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
1404 /* INLINE: int - int */
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
1405 register long a, b, i;
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
1406 a = PyInt_AS_LONG(v);
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
1407 b = PyInt_AS_LONG(w);
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
1408 i = a - b;
19434
c140bd7d3bdc When an inlined operation on two small ints causes overflow, don't
Guido van Rossum <guido@python.org>
parents: 19369
diff changeset
1409 if ((i^a) < 0 && (i^~b) < 0)
c140bd7d3bdc When an inlined operation on two small ints causes overflow, don't
Guido van Rossum <guido@python.org>
parents: 19369
diff changeset
1410 goto slow_isub;
c140bd7d3bdc When an inlined operation on two small ints causes overflow, don't
Guido van Rossum <guido@python.org>
parents: 19369
diff changeset
1411 x = PyInt_FromLong(i);
14163
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
1412 }
19434
c140bd7d3bdc When an inlined operation on two small ints causes overflow, don't
Guido van Rossum <guido@python.org>
parents: 19369
diff changeset
1413 else {
c140bd7d3bdc When an inlined operation on two small ints causes overflow, don't
Guido van Rossum <guido@python.org>
parents: 19369
diff changeset
1414 slow_isub:
14163
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
1415 x = PyNumber_InPlaceSubtract(v, w);
19434
c140bd7d3bdc When an inlined operation on two small ints causes overflow, don't
Guido van Rossum <guido@python.org>
parents: 19369
diff changeset
1416 }
14163
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
1417 Py_DECREF(v);
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
1418 Py_DECREF(w);
27186
04aa86d49d93 SF patch #664320: Replace push/pop clusters in ceval.c
Raymond Hettinger <python@rcn.com>
parents: 26141
diff changeset
1419 SET_TOP(x);
14163
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
1420 if (x != NULL) continue;
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
1421 break;
15948
3bc2440427d3 Rich comparisons fall-out:
Guido van Rossum <guido@python.org>
parents: 15899
diff changeset
1422
14163
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
1423 case INPLACE_LSHIFT:
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
1424 w = POP();
27186
04aa86d49d93 SF patch #664320: Replace push/pop clusters in ceval.c
Raymond Hettinger <python@rcn.com>
parents: 26141
diff changeset
1425 v = TOP();
14163
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
1426 x = PyNumber_InPlaceLshift(v, w);
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
1427 Py_DECREF(v);
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
1428 Py_DECREF(w);
27186
04aa86d49d93 SF patch #664320: Replace push/pop clusters in ceval.c
Raymond Hettinger <python@rcn.com>
parents: 26141
diff changeset
1429 SET_TOP(x);
14163
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
1430 if (x != NULL) continue;
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
1431 break;
15948
3bc2440427d3 Rich comparisons fall-out:
Guido van Rossum <guido@python.org>
parents: 15899
diff changeset
1432
14163
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
1433 case INPLACE_RSHIFT:
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
1434 w = POP();
27186
04aa86d49d93 SF patch #664320: Replace push/pop clusters in ceval.c
Raymond Hettinger <python@rcn.com>
parents: 26141
diff changeset
1435 v = TOP();
14163
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
1436 x = PyNumber_InPlaceRshift(v, w);
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
1437 Py_DECREF(v);
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
1438 Py_DECREF(w);
27186
04aa86d49d93 SF patch #664320: Replace push/pop clusters in ceval.c
Raymond Hettinger <python@rcn.com>
parents: 26141
diff changeset
1439 SET_TOP(x);
14163
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
1440 if (x != NULL) continue;
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
1441 break;
15948
3bc2440427d3 Rich comparisons fall-out:
Guido van Rossum <guido@python.org>
parents: 15899
diff changeset
1442
14163
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
1443 case INPLACE_AND:
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
1444 w = POP();
27186
04aa86d49d93 SF patch #664320: Replace push/pop clusters in ceval.c
Raymond Hettinger <python@rcn.com>
parents: 26141
diff changeset
1445 v = TOP();
14163
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
1446 x = PyNumber_InPlaceAnd(v, w);
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
1447 Py_DECREF(v);
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
1448 Py_DECREF(w);
27186
04aa86d49d93 SF patch #664320: Replace push/pop clusters in ceval.c
Raymond Hettinger <python@rcn.com>
parents: 26141
diff changeset
1449 SET_TOP(x);
14163
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
1450 if (x != NULL) continue;
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
1451 break;
15948
3bc2440427d3 Rich comparisons fall-out:
Guido van Rossum <guido@python.org>
parents: 15899
diff changeset
1452
14163
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
1453 case INPLACE_XOR:
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
1454 w = POP();
27186
04aa86d49d93 SF patch #664320: Replace push/pop clusters in ceval.c
Raymond Hettinger <python@rcn.com>
parents: 26141
diff changeset
1455 v = TOP();
14163
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
1456 x = PyNumber_InPlaceXor(v, w);
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
1457 Py_DECREF(v);
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
1458 Py_DECREF(w);
27186
04aa86d49d93 SF patch #664320: Replace push/pop clusters in ceval.c
Raymond Hettinger <python@rcn.com>
parents: 26141
diff changeset
1459 SET_TOP(x);
14163
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
1460 if (x != NULL) continue;
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
1461 break;
15948
3bc2440427d3 Rich comparisons fall-out:
Guido van Rossum <guido@python.org>
parents: 15899
diff changeset
1462
14163
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
1463 case INPLACE_OR:
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
1464 w = POP();
27186
04aa86d49d93 SF patch #664320: Replace push/pop clusters in ceval.c
Raymond Hettinger <python@rcn.com>
parents: 26141
diff changeset
1465 v = TOP();
14163
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
1466 x = PyNumber_InPlaceOr(v, w);
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
1467 Py_DECREF(v);
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
1468 Py_DECREF(w);
27186
04aa86d49d93 SF patch #664320: Replace push/pop clusters in ceval.c
Raymond Hettinger <python@rcn.com>
parents: 26141
diff changeset
1469 SET_TOP(x);
14163
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
1470 if (x != NULL) continue;
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
1471 break;
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
1472
173
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
1473 case SLICE+0:
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
1474 case SLICE+1:
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
1475 case SLICE+2:
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
1476 case SLICE+3:
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
1477 if ((opcode-SLICE) & 2)
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
1478 w = POP();
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
1479 else
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
1480 w = NULL;
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
1481 if ((opcode-SLICE) & 1)
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
1482 v = POP();
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
1483 else
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
1484 v = NULL;
27186
04aa86d49d93 SF patch #664320: Replace push/pop clusters in ceval.c
Raymond Hettinger <python@rcn.com>
parents: 26141
diff changeset
1485 u = TOP();
173
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
1486 x = apply_slice(u, v, w);
5368
f2132d1f66a6 Quickly renamed.
Guido van Rossum <guido@python.org>
parents: 5177
diff changeset
1487 Py_DECREF(u);
f2132d1f66a6 Quickly renamed.
Guido van Rossum <guido@python.org>
parents: 5177
diff changeset
1488 Py_XDECREF(v);
f2132d1f66a6 Quickly renamed.
Guido van Rossum <guido@python.org>
parents: 5177
diff changeset
1489 Py_XDECREF(w);
27186
04aa86d49d93 SF patch #664320: Replace push/pop clusters in ceval.c
Raymond Hettinger <python@rcn.com>
parents: 26141
diff changeset
1490 SET_TOP(x);
5002
ae3b46a73765 Add "if (x != NULL) continue;" (or similar for err==0) before the
Guido van Rossum <guido@python.org>
parents: 4992
diff changeset
1491 if (x != NULL) continue;
173
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
1492 break;
15948
3bc2440427d3 Rich comparisons fall-out:
Guido van Rossum <guido@python.org>
parents: 15899
diff changeset
1493
173
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
1494 case STORE_SLICE+0:
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
1495 case STORE_SLICE+1:
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
1496 case STORE_SLICE+2:
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
1497 case STORE_SLICE+3:
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
1498 if ((opcode-STORE_SLICE) & 2)
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
1499 w = POP();
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
1500 else
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
1501 w = NULL;
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
1502 if ((opcode-STORE_SLICE) & 1)
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
1503 v = POP();
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
1504 else
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
1505 v = NULL;
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
1506 u = POP();
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
1507 t = POP();
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
1508 err = assign_slice(u, v, w, t); /* u[v:w] = t */
5368
f2132d1f66a6 Quickly renamed.
Guido van Rossum <guido@python.org>
parents: 5177
diff changeset
1509 Py_DECREF(t);
f2132d1f66a6 Quickly renamed.
Guido van Rossum <guido@python.org>
parents: 5177
diff changeset
1510 Py_DECREF(u);
f2132d1f66a6 Quickly renamed.
Guido van Rossum <guido@python.org>
parents: 5177
diff changeset
1511 Py_XDECREF(v);
f2132d1f66a6 Quickly renamed.
Guido van Rossum <guido@python.org>
parents: 5177
diff changeset
1512 Py_XDECREF(w);
5002
ae3b46a73765 Add "if (x != NULL) continue;" (or similar for err==0) before the
Guido van Rossum <guido@python.org>
parents: 4992
diff changeset
1513 if (err == 0) continue;
173
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
1514 break;
15948
3bc2440427d3 Rich comparisons fall-out:
Guido van Rossum <guido@python.org>
parents: 15899
diff changeset
1515
173
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
1516 case DELETE_SLICE+0:
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
1517 case DELETE_SLICE+1:
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
1518 case DELETE_SLICE+2:
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
1519 case DELETE_SLICE+3:
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
1520 if ((opcode-DELETE_SLICE) & 2)
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
1521 w = POP();
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
1522 else
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
1523 w = NULL;
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
1524 if ((opcode-DELETE_SLICE) & 1)
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
1525 v = POP();
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
1526 else
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
1527 v = NULL;
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
1528 u = POP();
5368
f2132d1f66a6 Quickly renamed.
Guido van Rossum <guido@python.org>
parents: 5177
diff changeset
1529 err = assign_slice(u, v, w, (PyObject *)NULL);
173
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
1530 /* del u[v:w] */
5368
f2132d1f66a6 Quickly renamed.
Guido van Rossum <guido@python.org>
parents: 5177
diff changeset
1531 Py_DECREF(u);
f2132d1f66a6 Quickly renamed.
Guido van Rossum <guido@python.org>
parents: 5177
diff changeset
1532 Py_XDECREF(v);
f2132d1f66a6 Quickly renamed.
Guido van Rossum <guido@python.org>
parents: 5177
diff changeset
1533 Py_XDECREF(w);
5002
ae3b46a73765 Add "if (x != NULL) continue;" (or similar for err==0) before the
Guido van Rossum <guido@python.org>
parents: 4992
diff changeset
1534 if (err == 0) continue;
173
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
1535 break;
15948
3bc2440427d3 Rich comparisons fall-out:
Guido van Rossum <guido@python.org>
parents: 15899
diff changeset
1536
173
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
1537 case STORE_SUBSCR:
27186
04aa86d49d93 SF patch #664320: Replace push/pop clusters in ceval.c
Raymond Hettinger <python@rcn.com>
parents: 26141
diff changeset
1538 w = TOP();
04aa86d49d93 SF patch #664320: Replace push/pop clusters in ceval.c
Raymond Hettinger <python@rcn.com>
parents: 26141
diff changeset
1539 v = SECOND();
04aa86d49d93 SF patch #664320: Replace push/pop clusters in ceval.c
Raymond Hettinger <python@rcn.com>
parents: 26141
diff changeset
1540 u = THIRD();
04aa86d49d93 SF patch #664320: Replace push/pop clusters in ceval.c
Raymond Hettinger <python@rcn.com>
parents: 26141
diff changeset
1541 STACKADJ(-3);
173
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
1542 /* v[w] = u */
5413
10267fdc7531 Used operators from abstract.h where possible (arithmetic operators,
Guido van Rossum <guido@python.org>
parents: 5405
diff changeset
1543 err = PyObject_SetItem(v, w, u);
5368
f2132d1f66a6 Quickly renamed.
Guido van Rossum <guido@python.org>
parents: 5177
diff changeset
1544 Py_DECREF(u);
f2132d1f66a6 Quickly renamed.
Guido van Rossum <guido@python.org>
parents: 5177
diff changeset
1545 Py_DECREF(v);
f2132d1f66a6 Quickly renamed.
Guido van Rossum <guido@python.org>
parents: 5177
diff changeset
1546 Py_DECREF(w);
5002
ae3b46a73765 Add "if (x != NULL) continue;" (or similar for err==0) before the
Guido van Rossum <guido@python.org>
parents: 4992
diff changeset
1547 if (err == 0) continue;
173
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
1548 break;
15948
3bc2440427d3 Rich comparisons fall-out:
Guido van Rossum <guido@python.org>
parents: 15899
diff changeset
1549
173
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
1550 case DELETE_SUBSCR:
27186
04aa86d49d93 SF patch #664320: Replace push/pop clusters in ceval.c
Raymond Hettinger <python@rcn.com>
parents: 26141
diff changeset
1551 w = TOP();
04aa86d49d93 SF patch #664320: Replace push/pop clusters in ceval.c
Raymond Hettinger <python@rcn.com>
parents: 26141
diff changeset
1552 v = SECOND();
04aa86d49d93 SF patch #664320: Replace push/pop clusters in ceval.c
Raymond Hettinger <python@rcn.com>
parents: 26141
diff changeset
1553 STACKADJ(-2);
173
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
1554 /* del v[w] */
5413
10267fdc7531 Used operators from abstract.h where possible (arithmetic operators,
Guido van Rossum <guido@python.org>
parents: 5405
diff changeset
1555 err = PyObject_DelItem(v, w);
5368
f2132d1f66a6 Quickly renamed.
Guido van Rossum <guido@python.org>
parents: 5177
diff changeset
1556 Py_DECREF(v);
f2132d1f66a6 Quickly renamed.
Guido van Rossum <guido@python.org>
parents: 5177
diff changeset
1557 Py_DECREF(w);
5002
ae3b46a73765 Add "if (x != NULL) continue;" (or similar for err==0) before the
Guido van Rossum <guido@python.org>
parents: 4992
diff changeset
1558 if (err == 0) continue;
173
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
1559 break;
14100
2de0cc174c3b PEP 214, Extended print Statement, has been accepted by the BDFL.
Barry Warsaw <barry@python.org>
parents: 14080
diff changeset
1560
173
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
1561 case PRINT_EXPR:
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
1562 v = POP();
15811
1a00d21910c8 Implementation of PEP-0217.
Moshe Zadka <moshez@math.huji.ac.il>
parents: 15809
diff changeset
1563 w = PySys_GetObject("displayhook");
1a00d21910c8 Implementation of PEP-0217.
Moshe Zadka <moshez@math.huji.ac.il>
parents: 15809
diff changeset
1564 if (w == NULL) {
1a00d21910c8 Implementation of PEP-0217.
Moshe Zadka <moshez@math.huji.ac.il>
parents: 15809
diff changeset
1565 PyErr_SetString(PyExc_RuntimeError,
1a00d21910c8 Implementation of PEP-0217.
Moshe Zadka <moshez@math.huji.ac.il>
parents: 15809
diff changeset
1566 "lost sys.displayhook");
1a00d21910c8 Implementation of PEP-0217.
Moshe Zadka <moshez@math.huji.ac.il>
parents: 15809
diff changeset
1567 err = -1;
15814
faaf9f10d849 Fixed bugs noted by Greg Stein
Moshe Zadka <moshez@math.huji.ac.il>
parents: 15811
diff changeset
1568 x = NULL;
15811
1a00d21910c8 Implementation of PEP-0217.
Moshe Zadka <moshez@math.huji.ac.il>
parents: 15809
diff changeset
1569 }
1a00d21910c8 Implementation of PEP-0217.
Moshe Zadka <moshez@math.huji.ac.il>
parents: 15809
diff changeset
1570 if (err == 0) {
30683
3b59fa5d25b1 Simplify and speedup uses of Py_BuildValue():
Raymond Hettinger <python@rcn.com>
parents: 29669
diff changeset
1571 x = PyTuple_Pack(1, v);
15811
1a00d21910c8 Implementation of PEP-0217.
Moshe Zadka <moshez@math.huji.ac.il>
parents: 15809
diff changeset
1572 if (x == NULL)
1a00d21910c8 Implementation of PEP-0217.
Moshe Zadka <moshez@math.huji.ac.il>
parents: 15809
diff changeset
1573 err = -1;
1a00d21910c8 Implementation of PEP-0217.
Moshe Zadka <moshez@math.huji.ac.il>
parents: 15809
diff changeset
1574 }
1a00d21910c8 Implementation of PEP-0217.
Moshe Zadka <moshez@math.huji.ac.il>
parents: 15809
diff changeset
1575 if (err == 0) {
1a00d21910c8 Implementation of PEP-0217.
Moshe Zadka <moshez@math.huji.ac.il>
parents: 15809
diff changeset
1576 w = PyEval_CallObject(w, x);
15814
faaf9f10d849 Fixed bugs noted by Greg Stein
Moshe Zadka <moshez@math.huji.ac.il>
parents: 15811
diff changeset
1577 Py_XDECREF(w);
15811
1a00d21910c8 Implementation of PEP-0217.
Moshe Zadka <moshez@math.huji.ac.il>
parents: 15809
diff changeset
1578 if (w == NULL)
1a00d21910c8 Implementation of PEP-0217.
Moshe Zadka <moshez@math.huji.ac.il>
parents: 15809
diff changeset
1579 err = -1;
173
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
1580 }
5368
f2132d1f66a6 Quickly renamed.
Guido van Rossum <guido@python.org>
parents: 5177
diff changeset
1581 Py_DECREF(v);
15811
1a00d21910c8 Implementation of PEP-0217.
Moshe Zadka <moshez@math.huji.ac.il>
parents: 15809
diff changeset
1582 Py_XDECREF(x);
173
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
1583 break;
15811
1a00d21910c8 Implementation of PEP-0217.
Moshe Zadka <moshez@math.huji.ac.il>
parents: 15809
diff changeset
1584
14100
2de0cc174c3b PEP 214, Extended print Statement, has been accepted by the BDFL.
Barry Warsaw <barry@python.org>
parents: 14080
diff changeset
1585 case PRINT_ITEM_TO:
2de0cc174c3b PEP 214, Extended print Statement, has been accepted by the BDFL.
Barry Warsaw <barry@python.org>
parents: 14080
diff changeset
1586 w = stream = POP();
2de0cc174c3b PEP 214, Extended print Statement, has been accepted by the BDFL.
Barry Warsaw <barry@python.org>
parents: 14080
diff changeset
1587 /* fall through to PRINT_ITEM */
2de0cc174c3b PEP 214, Extended print Statement, has been accepted by the BDFL.
Barry Warsaw <barry@python.org>
parents: 14080
diff changeset
1588
173
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
1589 case PRINT_ITEM:
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
1590 v = POP();
14238
74f7f237f739 eval_code2(): Guido provides this patch for his suggested elaboration
Barry Warsaw <barry@python.org>
parents: 14232
diff changeset
1591 if (stream == NULL || stream == Py_None) {
14100
2de0cc174c3b PEP 214, Extended print Statement, has been accepted by the BDFL.
Barry Warsaw <barry@python.org>
parents: 14080
diff changeset
1592 w = PySys_GetObject("stdout");
2de0cc174c3b PEP 214, Extended print Statement, has been accepted by the BDFL.
Barry Warsaw <barry@python.org>
parents: 14080
diff changeset
1593 if (w == NULL) {
2de0cc174c3b PEP 214, Extended print Statement, has been accepted by the BDFL.
Barry Warsaw <barry@python.org>
parents: 14080
diff changeset
1594 PyErr_SetString(PyExc_RuntimeError,
2de0cc174c3b PEP 214, Extended print Statement, has been accepted by the BDFL.
Barry Warsaw <barry@python.org>
parents: 14080
diff changeset
1595 "lost sys.stdout");
2de0cc174c3b PEP 214, Extended print Statement, has been accepted by the BDFL.
Barry Warsaw <barry@python.org>
parents: 14080
diff changeset
1596 err = -1;
2de0cc174c3b PEP 214, Extended print Statement, has been accepted by the BDFL.
Barry Warsaw <barry@python.org>
parents: 14080
diff changeset
1597 }
7014
c75d899e666f Last-minute fix for Jim H: don't die after del sys.stdout
Guido van Rossum <guido@python.org>
parents: 6945
diff changeset
1598 }
29669
96ecaab4cba6 Fix SF #762455, segfault when sys.stdout is changed in getattr
Neal Norwitz <nnorwitz@gmail.com>
parents: 29643
diff changeset
1599 /* PyFile_SoftSpace() can exececute arbitrary code
96ecaab4cba6 Fix SF #762455, segfault when sys.stdout is changed in getattr
Neal Norwitz <nnorwitz@gmail.com>
parents: 29643
diff changeset
1600 if sys.stdout is an instance with a __getattr__.
96ecaab4cba6 Fix SF #762455, segfault when sys.stdout is changed in getattr
Neal Norwitz <nnorwitz@gmail.com>
parents: 29643
diff changeset
1601 If __getattr__ raises an exception, w will
96ecaab4cba6 Fix SF #762455, segfault when sys.stdout is changed in getattr
Neal Norwitz <nnorwitz@gmail.com>
parents: 29643
diff changeset
1602 be freed, so we need to prevent that temporarily. */
96ecaab4cba6 Fix SF #762455, segfault when sys.stdout is changed in getattr
Neal Norwitz <nnorwitz@gmail.com>
parents: 29643
diff changeset
1603 Py_XINCREF(w);
22499
3a3de6567f1a SF bug 480215: softspace confused in nested print
Tim Peters <tim.peters@gmail.com>
parents: 22468
diff changeset
1604 if (w != NULL && PyFile_SoftSpace(w, 0))
5606
495fbde64a73 Py_FlushLine and PyFile_WriteString now return error indicators
Guido van Rossum <guido@python.org>
parents: 5557
diff changeset
1605 err = PyFile_WriteString(" ", w);
495fbde64a73 Py_FlushLine and PyFile_WriteString now return error indicators
Guido van Rossum <guido@python.org>
parents: 5557
diff changeset
1606 if (err == 0)
495fbde64a73 Py_FlushLine and PyFile_WriteString now return error indicators
Guido van Rossum <guido@python.org>
parents: 5557
diff changeset
1607 err = PyFile_WriteObject(v, w, Py_PRINT_RAW);
21027
dee0e866653e Fix for bug #480188: printing unicode objects
Marc-André Lemburg <mal@egenix.com>
parents: 20915
diff changeset
1608 if (err == 0) {
22499
3a3de6567f1a SF bug 480215: softspace confused in nested print
Tim Peters <tim.peters@gmail.com>
parents: 22468
diff changeset
1609 /* XXX move into writeobject() ? */
47527
52294af4b663 This reverts r63675 based on the discussion in this thread:
Gregory P. Smith <greg@mad-scientist.com>
parents: 47294
diff changeset
1610 if (PyString_Check(v)) {
52294af4b663 This reverts r63675 based on the discussion in this thread:
Gregory P. Smith <greg@mad-scientist.com>
parents: 47294
diff changeset
1611 char *s = PyString_AS_STRING(v);
52294af4b663 This reverts r63675 based on the discussion in this thread:
Gregory P. Smith <greg@mad-scientist.com>
parents: 47294
diff changeset
1612 Py_ssize_t len = PyString_GET_SIZE(v);
22499
3a3de6567f1a SF bug 480215: softspace confused in nested print
Tim Peters <tim.peters@gmail.com>
parents: 22468
diff changeset
1613 if (len == 0 ||
3a3de6567f1a SF bug 480215: softspace confused in nested print
Tim Peters <tim.peters@gmail.com>
parents: 22468
diff changeset
1614 !isspace(Py_CHARMASK(s[len-1])) ||
3a3de6567f1a SF bug 480215: softspace confused in nested print
Tim Peters <tim.peters@gmail.com>
parents: 22468
diff changeset
1615 s[len-1] == ' ')
3a3de6567f1a SF bug 480215: softspace confused in nested print
Tim Peters <tim.peters@gmail.com>
parents: 22468
diff changeset
1616 PyFile_SoftSpace(w, 1);
31872
9f5fe6b23e59 Since the fast_yield branch target was introduced, it appears that most
Tim Peters <tim.peters@gmail.com>
parents: 31797
diff changeset
1617 }
21475
aac23331a25d Patch #494384: Disable more Unicode API if Unicode is not used.
Martin v. Löwis <martin@v.loewis.de>
parents: 21441
diff changeset
1618 #ifdef Py_USING_UNICODE
21027
dee0e866653e Fix for bug #480188: printing unicode objects
Marc-André Lemburg <mal@egenix.com>
parents: 20915
diff changeset
1619 else if (PyUnicode_Check(v)) {
dee0e866653e Fix for bug #480188: printing unicode objects
Marc-André Lemburg <mal@egenix.com>
parents: 20915
diff changeset
1620 Py_UNICODE *s = PyUnicode_AS_UNICODE(v);
37920
ce5585afc20f Fix more ssize_t issues.
Martin v. Löwis <martin@v.loewis.de>
parents: 37856
diff changeset
1621 Py_ssize_t len = PyUnicode_GET_SIZE(v);
22499
3a3de6567f1a SF bug 480215: softspace confused in nested print
Tim Peters <tim.peters@gmail.com>
parents: 22468
diff changeset
1622 if (len == 0 ||
3a3de6567f1a SF bug 480215: softspace confused in nested print
Tim Peters <tim.peters@gmail.com>
parents: 22468
diff changeset
1623 !Py_UNICODE_ISSPACE(s[len-1]) ||
3a3de6567f1a SF bug 480215: softspace confused in nested print
Tim Peters <tim.peters@gmail.com>
parents: 22468
diff changeset
1624 s[len-1] == ' ')
3a3de6567f1a SF bug 480215: softspace confused in nested print
Tim Peters <tim.peters@gmail.com>
parents: 22468
diff changeset
1625 PyFile_SoftSpace(w, 1);
21027
dee0e866653e Fix for bug #480188: printing unicode objects
Marc-André Lemburg <mal@egenix.com>
parents: 20915
diff changeset
1626 }
23479
73249abed683 Fix for
Michael W. Hudson <mwh@python.net>
parents: 23156
diff changeset
1627 #endif
22499
3a3de6567f1a SF bug 480215: softspace confused in nested print
Tim Peters <tim.peters@gmail.com>
parents: 22468
diff changeset
1628 else
3a3de6567f1a SF bug 480215: softspace confused in nested print
Tim Peters <tim.peters@gmail.com>
parents: 22468
diff changeset
1629 PyFile_SoftSpace(w, 1);
173
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
1630 }
29669
96ecaab4cba6 Fix SF #762455, segfault when sys.stdout is changed in getattr
Neal Norwitz <nnorwitz@gmail.com>
parents: 29643
diff changeset
1631 Py_XDECREF(w);
5368
f2132d1f66a6 Quickly renamed.
Guido van Rossum <guido@python.org>
parents: 5177
diff changeset
1632 Py_DECREF(v);
14100
2de0cc174c3b PEP 214, Extended print Statement, has been accepted by the BDFL.
Barry Warsaw <barry@python.org>
parents: 14080
diff changeset
1633 Py_XDECREF(stream);
2de0cc174c3b PEP 214, Extended print Statement, has been accepted by the BDFL.
Barry Warsaw <barry@python.org>
parents: 14080
diff changeset
1634 stream = NULL;
2de0cc174c3b PEP 214, Extended print Statement, has been accepted by the BDFL.
Barry Warsaw <barry@python.org>
parents: 14080
diff changeset
1635 if (err == 0)
2de0cc174c3b PEP 214, Extended print Statement, has been accepted by the BDFL.
Barry Warsaw <barry@python.org>
parents: 14080
diff changeset
1636 continue;
173
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
1637 break;
15948
3bc2440427d3 Rich comparisons fall-out:
Guido van Rossum <guido@python.org>
parents: 15899
diff changeset
1638
14100
2de0cc174c3b PEP 214, Extended print Statement, has been accepted by the BDFL.
Barry Warsaw <barry@python.org>
parents: 14080
diff changeset
1639 case PRINT_NEWLINE_TO:
2de0cc174c3b PEP 214, Extended print Statement, has been accepted by the BDFL.
Barry Warsaw <barry@python.org>
parents: 14080
diff changeset
1640 w = stream = POP();
2de0cc174c3b PEP 214, Extended print Statement, has been accepted by the BDFL.
Barry Warsaw <barry@python.org>
parents: 14080
diff changeset
1641 /* fall through to PRINT_NEWLINE */
2de0cc174c3b PEP 214, Extended print Statement, has been accepted by the BDFL.
Barry Warsaw <barry@python.org>
parents: 14080
diff changeset
1642
173
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
1643 case PRINT_NEWLINE:
14238
74f7f237f739 eval_code2(): Guido provides this patch for his suggested elaboration
Barry Warsaw <barry@python.org>
parents: 14232
diff changeset
1644 if (stream == NULL || stream == Py_None) {
14100
2de0cc174c3b PEP 214, Extended print Statement, has been accepted by the BDFL.
Barry Warsaw <barry@python.org>
parents: 14080
diff changeset
1645 w = PySys_GetObject("stdout");
50111
2f8c317dff17 Merged revisions 67666,67685 via svnmerge from
Jeffrey Yasskin <jyasskin@gmail.com>
parents: 50106
diff changeset
1646 if (w == NULL) {
14100
2de0cc174c3b PEP 214, Extended print Statement, has been accepted by the BDFL.
Barry Warsaw <barry@python.org>
parents: 14080
diff changeset
1647 PyErr_SetString(PyExc_RuntimeError,
2de0cc174c3b PEP 214, Extended print Statement, has been accepted by the BDFL.
Barry Warsaw <barry@python.org>
parents: 14080
diff changeset
1648 "lost sys.stdout");
50111
2f8c317dff17 Merged revisions 67666,67685 via svnmerge from
Jeffrey Yasskin <jyasskin@gmail.com>
parents: 50106
diff changeset
1649 why = WHY_EXCEPTION;
2f8c317dff17 Merged revisions 67666,67685 via svnmerge from
Jeffrey Yasskin <jyasskin@gmail.com>
parents: 50106
diff changeset
1650 }
14100
2de0cc174c3b PEP 214, Extended print Statement, has been accepted by the BDFL.
Barry Warsaw <barry@python.org>
parents: 14080
diff changeset
1651 }
2de0cc174c3b PEP 214, Extended print Statement, has been accepted by the BDFL.
Barry Warsaw <barry@python.org>
parents: 14080
diff changeset
1652 if (w != NULL) {
47868
4a8329535234 Add a comment about incref'ing w.
Georg Brandl <georg@python.org>
parents: 47864
diff changeset
1653 /* w.write() may replace sys.stdout, so we
4a8329535234 Add a comment about incref'ing w.
Georg Brandl <georg@python.org>
parents: 47864
diff changeset
1654 * have to keep our reference to it */
47864
7dbd6b607706 #3242: fix a crash in "print", if sys.stdout is set to a custom object,
Amaury Forgeot d'Arc <amauryfa@gmail.com>
parents: 47527
diff changeset
1655 Py_INCREF(w);
14100
2de0cc174c3b PEP 214, Extended print Statement, has been accepted by the BDFL.
Barry Warsaw <barry@python.org>
parents: 14080
diff changeset
1656 err = PyFile_WriteString("\n", w);
5606
495fbde64a73 Py_FlushLine and PyFile_WriteString now return error indicators
Guido van Rossum <guido@python.org>
parents: 5557
diff changeset
1657 if (err == 0)
14100
2de0cc174c3b PEP 214, Extended print Statement, has been accepted by the BDFL.
Barry Warsaw <barry@python.org>
parents: 14080
diff changeset
1658 PyFile_SoftSpace(w, 0);
47864
7dbd6b607706 #3242: fix a crash in "print", if sys.stdout is set to a custom object,
Amaury Forgeot d'Arc <amauryfa@gmail.com>
parents: 47527
diff changeset
1659 Py_DECREF(w);
1073
2c0432fcc270 Modified most (but not yet all) I/O to always go through sys.stdout or
Guido van Rossum <guido@python.org>
parents: 1016
diff changeset
1660 }
14100
2de0cc174c3b PEP 214, Extended print Statement, has been accepted by the BDFL.
Barry Warsaw <barry@python.org>
parents: 14080
diff changeset
1661 Py_XDECREF(stream);
2de0cc174c3b PEP 214, Extended print Statement, has been accepted by the BDFL.
Barry Warsaw <barry@python.org>
parents: 14080
diff changeset
1662 stream = NULL;
173
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
1663 break;
15948
3bc2440427d3 Rich comparisons fall-out:
Guido van Rossum <guido@python.org>
parents: 15899
diff changeset
1664
14163
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
1665
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
1666 #ifdef CASE_TOO_BIG
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
1667 default: switch (opcode) {
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
1668 #endif
2813
999b5bdc18ce 3rd arg for raise; INCOMPLETE keyword parameter passing (currently f(kw=value) is seen as f('kw', value))
Guido van Rossum <guido@python.org>
parents: 2612
diff changeset
1669 case RAISE_VARARGS:
999b5bdc18ce 3rd arg for raise; INCOMPLETE keyword parameter passing (currently f(kw=value) is seen as f('kw', value))
Guido van Rossum <guido@python.org>
parents: 2612
diff changeset
1670 u = v = w = NULL;
999b5bdc18ce 3rd arg for raise; INCOMPLETE keyword parameter passing (currently f(kw=value) is seen as f('kw', value))
Guido van Rossum <guido@python.org>
parents: 2612
diff changeset
1671 switch (oparg) {
999b5bdc18ce 3rd arg for raise; INCOMPLETE keyword parameter passing (currently f(kw=value) is seen as f('kw', value))
Guido van Rossum <guido@python.org>
parents: 2612
diff changeset
1672 case 3:
999b5bdc18ce 3rd arg for raise; INCOMPLETE keyword parameter passing (currently f(kw=value) is seen as f('kw', value))
Guido van Rossum <guido@python.org>
parents: 2612
diff changeset
1673 u = POP(); /* traceback */
999b5bdc18ce 3rd arg for raise; INCOMPLETE keyword parameter passing (currently f(kw=value) is seen as f('kw', value))
Guido van Rossum <guido@python.org>
parents: 2612
diff changeset
1674 /* Fallthrough */
999b5bdc18ce 3rd arg for raise; INCOMPLETE keyword parameter passing (currently f(kw=value) is seen as f('kw', value))
Guido van Rossum <guido@python.org>
parents: 2612
diff changeset
1675 case 2:
999b5bdc18ce 3rd arg for raise; INCOMPLETE keyword parameter passing (currently f(kw=value) is seen as f('kw', value))
Guido van Rossum <guido@python.org>
parents: 2612
diff changeset
1676 v = POP(); /* value */
999b5bdc18ce 3rd arg for raise; INCOMPLETE keyword parameter passing (currently f(kw=value) is seen as f('kw', value))
Guido van Rossum <guido@python.org>
parents: 2612
diff changeset
1677 /* Fallthrough */
999b5bdc18ce 3rd arg for raise; INCOMPLETE keyword parameter passing (currently f(kw=value) is seen as f('kw', value))
Guido van Rossum <guido@python.org>
parents: 2612
diff changeset
1678 case 1:
999b5bdc18ce 3rd arg for raise; INCOMPLETE keyword parameter passing (currently f(kw=value) is seen as f('kw', value))
Guido van Rossum <guido@python.org>
parents: 2612
diff changeset
1679 w = POP(); /* exc */
7946
ad114620f8c2 Make first raise argument optional
Guido van Rossum <guido@python.org>
parents: 7014
diff changeset
1680 case 0: /* Fallthrough */
4667
c42379e4653b Moved the raise logic out of the main interpreter loop to a separate function.
Guido van Rossum <guido@python.org>
parents: 4594
diff changeset
1681 why = do_raise(w, v, u);
2813
999b5bdc18ce 3rd arg for raise; INCOMPLETE keyword parameter passing (currently f(kw=value) is seen as f('kw', value))
Guido van Rossum <guido@python.org>
parents: 2612
diff changeset
1682 break;
999b5bdc18ce 3rd arg for raise; INCOMPLETE keyword parameter passing (currently f(kw=value) is seen as f('kw', value))
Guido van Rossum <guido@python.org>
parents: 2612
diff changeset
1683 default:
5368
f2132d1f66a6 Quickly renamed.
Guido van Rossum <guido@python.org>
parents: 5177
diff changeset
1684 PyErr_SetString(PyExc_SystemError,
2813
999b5bdc18ce 3rd arg for raise; INCOMPLETE keyword parameter passing (currently f(kw=value) is seen as f('kw', value))
Guido van Rossum <guido@python.org>
parents: 2612
diff changeset
1685 "bad RAISE_VARARGS oparg");
4667
c42379e4653b Moved the raise logic out of the main interpreter loop to a separate function.
Guido van Rossum <guido@python.org>
parents: 4594
diff changeset
1686 why = WHY_EXCEPTION;
c42379e4653b Moved the raise logic out of the main interpreter loop to a separate function.
Guido van Rossum <guido@python.org>
parents: 4594
diff changeset
1687 break;
464
90300ca21200 Added STORE_GLOBAL and DELETE_GLOBAL.
Guido van Rossum <guido@python.org>
parents: 409
diff changeset
1688 }
173
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
1689 break;
15948
3bc2440427d3 Rich comparisons fall-out:
Guido van Rossum <guido@python.org>
parents: 15899
diff changeset
1690
173
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
1691 case LOAD_LOCALS:
31878
26ee1b3eb345 Small code improvements for readability, code size, and/or speed.
Raymond Hettinger <python@rcn.com>
parents: 31875
diff changeset
1692 if ((x = f->f_locals) != NULL) {
26ee1b3eb345 Small code improvements for readability, code size, and/or speed.
Raymond Hettinger <python@rcn.com>
parents: 31875
diff changeset
1693 Py_INCREF(x);
26ee1b3eb345 Small code improvements for readability, code size, and/or speed.
Raymond Hettinger <python@rcn.com>
parents: 31875
diff changeset
1694 PUSH(x);
26ee1b3eb345 Small code improvements for readability, code size, and/or speed.
Raymond Hettinger <python@rcn.com>
parents: 31875
diff changeset
1695 continue;
2844
0261bf5b3819 keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents: 2813
diff changeset
1696 }
31878
26ee1b3eb345 Small code improvements for readability, code size, and/or speed.
Raymond Hettinger <python@rcn.com>
parents: 31875
diff changeset
1697 PyErr_SetString(PyExc_SystemError, "no locals");
173
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
1698 break;
15948
3bc2440427d3 Rich comparisons fall-out:
Guido van Rossum <guido@python.org>
parents: 15899
diff changeset
1699
173
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
1700 case RETURN_VALUE:
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
1701 retval = POP();
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
1702 why = WHY_RETURN;
31462
d5c047807c69 SF patch #864059: optimize eval_frame
Raymond Hettinger <python@rcn.com>
parents: 30979
diff changeset
1703 goto fast_block_end;
1354
fccd415e2eb8 * bltinmodule.c: removed exec() built-in function.
Guido van Rossum <guido@python.org>
parents: 1319
diff changeset
1704
18148
7bc473b2c654 Merging the gen-branch into the main line, at Guido's direction. Yay!
Tim Peters <tim.peters@gmail.com>
parents: 18136
diff changeset
1705 case YIELD_VALUE:
7bc473b2c654 Merging the gen-branch into the main line, at Guido's direction. Yay!
Tim Peters <tim.peters@gmail.com>
parents: 18136
diff changeset
1706 retval = POP();
18237
f02605b8fdc1 PyFrameObject: rename f_stackbottom to f_stacktop, since it points to
Tim Peters <tim.peters@gmail.com>
parents: 18195
diff changeset
1707 f->f_stacktop = stack_pointer;
18148
7bc473b2c654 Merging the gen-branch into the main line, at Guido's direction. Yay!
Tim Peters <tim.peters@gmail.com>
parents: 18136
diff changeset
1708 why = WHY_YIELD;
31462
d5c047807c69 SF patch #864059: optimize eval_frame
Raymond Hettinger <python@rcn.com>
parents: 30979
diff changeset
1709 goto fast_yield;
18148
7bc473b2c654 Merging the gen-branch into the main line, at Guido's direction. Yay!
Tim Peters <tim.peters@gmail.com>
parents: 18136
diff changeset
1710
1354
fccd415e2eb8 * bltinmodule.c: removed exec() built-in function.
Guido van Rossum <guido@python.org>
parents: 1319
diff changeset
1711 case EXEC_STMT:
27186
04aa86d49d93 SF patch #664320: Replace push/pop clusters in ceval.c
Raymond Hettinger <python@rcn.com>
parents: 26141
diff changeset
1712 w = TOP();
04aa86d49d93 SF patch #664320: Replace push/pop clusters in ceval.c
Raymond Hettinger <python@rcn.com>
parents: 26141
diff changeset
1713 v = SECOND();
04aa86d49d93 SF patch #664320: Replace push/pop clusters in ceval.c
Raymond Hettinger <python@rcn.com>
parents: 26141
diff changeset
1714 u = THIRD();
04aa86d49d93 SF patch #664320: Replace push/pop clusters in ceval.c
Raymond Hettinger <python@rcn.com>
parents: 26141
diff changeset
1715 STACKADJ(-3);
34442
683719e04218 Change the name of the macro used by --with-tsc builds to the less
Michael W. Hudson <mwh@python.net>
parents: 34371
diff changeset
1716 READ_TIMESTAMP(intr0);
5405
b7871ca930ad Massive changes for separate thread state management.
Guido van Rossum <guido@python.org>
parents: 5368
diff changeset
1717 err = exec_statement(f, u, v, w);
34442
683719e04218 Change the name of the macro used by --with-tsc builds to the less
Michael W. Hudson <mwh@python.net>
parents: 34371
diff changeset
1718 READ_TIMESTAMP(intr1);
5368
f2132d1f66a6 Quickly renamed.
Guido van Rossum <guido@python.org>
parents: 5177
diff changeset
1719 Py_DECREF(u);
f2132d1f66a6 Quickly renamed.
Guido van Rossum <guido@python.org>
parents: 5177
diff changeset
1720 Py_DECREF(v);
f2132d1f66a6 Quickly renamed.
Guido van Rossum <guido@python.org>
parents: 5177
diff changeset
1721 Py_DECREF(w);
1354
fccd415e2eb8 * bltinmodule.c: removed exec() built-in function.
Guido van Rossum <guido@python.org>
parents: 1319
diff changeset
1722 break;
15948
3bc2440427d3 Rich comparisons fall-out:
Guido van Rossum <guido@python.org>
parents: 15899
diff changeset
1723
173
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
1724 case POP_BLOCK:
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
1725 {
5368
f2132d1f66a6 Quickly renamed.
Guido van Rossum <guido@python.org>
parents: 5177
diff changeset
1726 PyTryBlock *b = PyFrame_BlockPop(f);
173
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
1727 while (STACK_LEVEL() > b->b_level) {
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
1728 v = POP();
5368
f2132d1f66a6 Quickly renamed.
Guido van Rossum <guido@python.org>
parents: 5177
diff changeset
1729 Py_DECREF(v);
173
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
1730 }
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
1731 }
31880
4c6fdeb8e2e0 Use continue instead of break whereever possible.
Raymond Hettinger <python@rcn.com>
parents: 31879
diff changeset
1732 continue;
15948
3bc2440427d3 Rich comparisons fall-out:
Guido van Rossum <guido@python.org>
parents: 15899
diff changeset
1733
45624
6068b75ec27a compile.c always emits END_FINALLY after WITH_CLEANUP, so predict that in
Jeffrey Yasskin <jyasskin@gmail.com>
parents: 45011
diff changeset
1734 PREDICTED(END_FINALLY);
173
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
1735 case END_FINALLY:
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
1736 v = POP();
5368
f2132d1f66a6 Quickly renamed.
Guido van Rossum <guido@python.org>
parents: 5177
diff changeset
1737 if (PyInt_Check(v)) {
31875
1fb2313ac3ce Simplify previous checkin (bitfields for WHY codes).
Raymond Hettinger <python@rcn.com>
parents: 31874
diff changeset
1738 why = (enum why_code) PyInt_AS_LONG(v);
31872
9f5fe6b23e59 Since the fast_yield branch target was introduced, it appears that most
Tim Peters <tim.peters@gmail.com>
parents: 31797
diff changeset
1739 assert(why != WHY_YIELD);
31900
0265bf9912ea Some (but not all) of the why code bitfield tests ran faster as
Raymond Hettinger <python@rcn.com>
parents: 31894
diff changeset
1740 if (why == WHY_RETURN ||
0265bf9912ea Some (but not all) of the why code bitfield tests ran faster as
Raymond Hettinger <python@rcn.com>
parents: 31894
diff changeset
1741 why == WHY_CONTINUE)
173
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
1742 retval = POP();
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
1743 }
43416
dc39dddea330 Try harder to stay within the 79-column limit. There's still two places that go (way) over, but those are harder to fix without suffering in readability.
Thomas Wouters <thomas@python.org>
parents: 43408
diff changeset
1744 else if (PyExceptionClass_Check(v) ||
47527
52294af4b663 This reverts r63675 based on the discussion in this thread:
Gregory P. Smith <greg@mad-scientist.com>
parents: 47294
diff changeset
1745 PyString_Check(v)) {
173
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
1746 w = POP();
2813
999b5bdc18ce 3rd arg for raise; INCOMPLETE keyword parameter passing (currently f(kw=value) is seen as f('kw', value))
Guido van Rossum <guido@python.org>
parents: 2612
diff changeset
1747 u = POP();
5368
f2132d1f66a6 Quickly renamed.
Guido van Rossum <guido@python.org>
parents: 5177
diff changeset
1748 PyErr_Restore(v, w, u);
173
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
1749 why = WHY_RERAISE;
2872
d3b07ba3e12d fix bogus DECREF in finally clause
Guido van Rossum <guido@python.org>
parents: 2866
diff changeset
1750 break;
173
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
1751 }
5368
f2132d1f66a6 Quickly renamed.
Guido van Rossum <guido@python.org>
parents: 5177
diff changeset
1752 else if (v != Py_None) {
f2132d1f66a6 Quickly renamed.
Guido van Rossum <guido@python.org>
parents: 5177
diff changeset
1753 PyErr_SetString(PyExc_SystemError,
173
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
1754 "'finally' pops bad exception");
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
1755 why = WHY_EXCEPTION;
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
1756 }
5368
f2132d1f66a6 Quickly renamed.
Guido van Rossum <guido@python.org>
parents: 5177
diff changeset
1757 Py_DECREF(v);
173
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
1758 break;
15948
3bc2440427d3 Rich comparisons fall-out:
Guido van Rossum <guido@python.org>
parents: 15899
diff changeset
1759
173
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
1760 case BUILD_CLASS:
27186
04aa86d49d93 SF patch #664320: Replace push/pop clusters in ceval.c
Raymond Hettinger <python@rcn.com>
parents: 26141
diff changeset
1761 u = TOP();
04aa86d49d93 SF patch #664320: Replace push/pop clusters in ceval.c
Raymond Hettinger <python@rcn.com>
parents: 26141
diff changeset
1762 v = SECOND();
04aa86d49d93 SF patch #664320: Replace push/pop clusters in ceval.c
Raymond Hettinger <python@rcn.com>
parents: 26141
diff changeset
1763 w = THIRD();
04aa86d49d93 SF patch #664320: Replace push/pop clusters in ceval.c
Raymond Hettinger <python@rcn.com>
parents: 26141
diff changeset
1764 STACKADJ(-2);
1288
9fed5726a36d Several changes in one:
Guido van Rossum <guido@python.org>
parents: 1282
diff changeset
1765 x = build_class(u, v, w);
27186
04aa86d49d93 SF patch #664320: Replace push/pop clusters in ceval.c
Raymond Hettinger <python@rcn.com>
parents: 26141
diff changeset
1766 SET_TOP(x);
5368
f2132d1f66a6 Quickly renamed.
Guido van Rossum <guido@python.org>
parents: 5177
diff changeset
1767 Py_DECREF(u);
f2132d1f66a6 Quickly renamed.
Guido van Rossum <guido@python.org>
parents: 5177
diff changeset
1768 Py_DECREF(v);
f2132d1f66a6 Quickly renamed.
Guido van Rossum <guido@python.org>
parents: 5177
diff changeset
1769 Py_DECREF(w);
173
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
1770 break;
15948
3bc2440427d3 Rich comparisons fall-out:
Guido van Rossum <guido@python.org>
parents: 15899
diff changeset
1771
173
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
1772 case STORE_NAME:
24607
3e4d432872ea get rid of GETNAMEV macro - use GETITEM directly
Skip Montanaro <skip@pobox.com>
parents: 24545
diff changeset
1773 w = GETITEM(names, oparg);
173
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
1774 v = POP();
31878
26ee1b3eb345 Small code improvements for readability, code size, and/or speed.
Raymond Hettinger <python@rcn.com>
parents: 31875
diff changeset
1775 if ((x = f->f_locals) != NULL) {
32890
b8c2aa2be19a Completed the patch for Bug #215126.
Raymond Hettinger <python@rcn.com>
parents: 32531
diff changeset
1776 if (PyDict_CheckExact(x))
32463
d4a59230e93a SF Bug #215126: Over restricted type checking on eval() function
Raymond Hettinger <python@rcn.com>
parents: 32421
diff changeset
1777 err = PyDict_SetItem(x, w, v);
d4a59230e93a SF Bug #215126: Over restricted type checking on eval() function
Raymond Hettinger <python@rcn.com>
parents: 32421
diff changeset
1778 else
d4a59230e93a SF Bug #215126: Over restricted type checking on eval() function
Raymond Hettinger <python@rcn.com>
parents: 32421
diff changeset
1779 err = PyObject_SetItem(x, w, v);
31878
26ee1b3eb345 Small code improvements for readability, code size, and/or speed.
Raymond Hettinger <python@rcn.com>
parents: 31875
diff changeset
1780 Py_DECREF(v);
31880
4c6fdeb8e2e0 Use continue instead of break whereever possible.
Raymond Hettinger <python@rcn.com>
parents: 31879
diff changeset
1781 if (err == 0) continue;
2844
0261bf5b3819 keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents: 2813
diff changeset
1782 break;
0261bf5b3819 keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents: 2813
diff changeset
1783 }
31878
26ee1b3eb345 Small code improvements for readability, code size, and/or speed.
Raymond Hettinger <python@rcn.com>
parents: 31875
diff changeset
1784 PyErr_Format(PyExc_SystemError,
26ee1b3eb345 Small code improvements for readability, code size, and/or speed.
Raymond Hettinger <python@rcn.com>
parents: 31875
diff changeset
1785 "no locals found when storing %s",
26ee1b3eb345 Small code improvements for readability, code size, and/or speed.
Raymond Hettinger <python@rcn.com>
parents: 31875
diff changeset
1786 PyObject_REPR(w));
173
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
1787 break;
15948
3bc2440427d3 Rich comparisons fall-out:
Guido van Rossum <guido@python.org>
parents: 15899
diff changeset
1788
173
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
1789 case DELETE_NAME:
24607
3e4d432872ea get rid of GETNAMEV macro - use GETITEM directly
Skip Montanaro <skip@pobox.com>
parents: 24545
diff changeset
1790 w = GETITEM(names, oparg);
31878
26ee1b3eb345 Small code improvements for readability, code size, and/or speed.
Raymond Hettinger <python@rcn.com>
parents: 31875
diff changeset
1791 if ((x = f->f_locals) != NULL) {
32463
d4a59230e93a SF Bug #215126: Over restricted type checking on eval() function
Raymond Hettinger <python@rcn.com>
parents: 32421
diff changeset
1792 if ((err = PyObject_DelItem(x, w)) != 0)
31878
26ee1b3eb345 Small code improvements for readability, code size, and/or speed.
Raymond Hettinger <python@rcn.com>
parents: 31875
diff changeset
1793 format_exc_check_arg(PyExc_NameError,
43416
dc39dddea330 Try harder to stay within the 79-column limit. There's still two places that go (way) over, but those are harder to fix without suffering in readability.
Thomas Wouters <thomas@python.org>
parents: 43408
diff changeset
1794 NAME_ERROR_MSG,
dc39dddea330 Try harder to stay within the 79-column limit. There's still two places that go (way) over, but those are harder to fix without suffering in readability.
Thomas Wouters <thomas@python.org>
parents: 43408
diff changeset
1795 w);
2844
0261bf5b3819 keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents: 2813
diff changeset
1796 break;
0261bf5b3819 keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents: 2813
diff changeset
1797 }
31878
26ee1b3eb345 Small code improvements for readability, code size, and/or speed.
Raymond Hettinger <python@rcn.com>
parents: 31875
diff changeset
1798 PyErr_Format(PyExc_SystemError,
26ee1b3eb345 Small code improvements for readability, code size, and/or speed.
Raymond Hettinger <python@rcn.com>
parents: 31875
diff changeset
1799 "no locals when deleting %s",
26ee1b3eb345 Small code improvements for readability, code size, and/or speed.
Raymond Hettinger <python@rcn.com>
parents: 31875
diff changeset
1800 PyObject_REPR(w));
173
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
1801 break;
944
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 926
diff changeset
1802
28304
b14d6741f496 Eliminate data dependency in predict macro.
Raymond Hettinger <python@rcn.com>
parents: 28303
diff changeset
1803 PREDICTED_WITH_ARG(UNPACK_SEQUENCE);
13930
4eaa463c031a Merge UNPACK_LIST and UNPACK_TUPLE into a single UNPACK_SEQUENCE, since they
Thomas Wouters <thomas@python.org>
parents: 13881
diff changeset
1804 case UNPACK_SEQUENCE:
173
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
1805 v = POP();
43416
dc39dddea330 Try harder to stay within the 79-column limit. There's still two places that go (way) over, but those are harder to fix without suffering in readability.
Thomas Wouters <thomas@python.org>
parents: 43408
diff changeset
1806 if (PyTuple_CheckExact(v) &&
dc39dddea330 Try harder to stay within the 79-column limit. There's still two places that go (way) over, but those are harder to fix without suffering in readability.
Thomas Wouters <thomas@python.org>
parents: 43408
diff changeset
1807 PyTuple_GET_SIZE(v) == oparg) {
dc39dddea330 Try harder to stay within the 79-column limit. There's still two places that go (way) over, but those are harder to fix without suffering in readability.
Thomas Wouters <thomas@python.org>
parents: 43408
diff changeset
1808 PyObject **items = \
dc39dddea330 Try harder to stay within the 79-column limit. There's still two places that go (way) over, but those are harder to fix without suffering in readability.
Thomas Wouters <thomas@python.org>
parents: 43408
diff changeset
1809 ((PyTupleObject *)v)->ob_item;
31630
b4e4dbd24fe7 Refactor and optimize code for UNPACK_SEQUENCE.
Raymond Hettinger <python@rcn.com>
parents: 31618
diff changeset
1810 while (oparg--) {
b4e4dbd24fe7 Refactor and optimize code for UNPACK_SEQUENCE.
Raymond Hettinger <python@rcn.com>
parents: 31618
diff changeset
1811 w = items[oparg];
b4e4dbd24fe7 Refactor and optimize code for UNPACK_SEQUENCE.
Raymond Hettinger <python@rcn.com>
parents: 31618
diff changeset
1812 Py_INCREF(w);
b4e4dbd24fe7 Refactor and optimize code for UNPACK_SEQUENCE.
Raymond Hettinger <python@rcn.com>
parents: 31618
diff changeset
1813 PUSH(w);
173
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
1814 }
31880
4c6fdeb8e2e0 Use continue instead of break whereever possible.
Raymond Hettinger <python@rcn.com>
parents: 31879
diff changeset
1815 Py_DECREF(v);
4c6fdeb8e2e0 Use continue instead of break whereever possible.
Raymond Hettinger <python@rcn.com>
parents: 31879
diff changeset
1816 continue;
43416
dc39dddea330 Try harder to stay within the 79-column limit. There's still two places that go (way) over, but those are harder to fix without suffering in readability.
Thomas Wouters <thomas@python.org>
parents: 43408
diff changeset
1817 } else if (PyList_CheckExact(v) &&
dc39dddea330 Try harder to stay within the 79-column limit. There's still two places that go (way) over, but those are harder to fix without suffering in readability.
Thomas Wouters <thomas@python.org>
parents: 43408
diff changeset
1818 PyList_GET_SIZE(v) == oparg) {
dc39dddea330 Try harder to stay within the 79-column limit. There's still two places that go (way) over, but those are harder to fix without suffering in readability.
Thomas Wouters <thomas@python.org>
parents: 43408
diff changeset
1819 PyObject **items = \
dc39dddea330 Try harder to stay within the 79-column limit. There's still two places that go (way) over, but those are harder to fix without suffering in readability.
Thomas Wouters <thomas@python.org>
parents: 43408
diff changeset
1820 ((PyListObject *)v)->ob_item;
31630
b4e4dbd24fe7 Refactor and optimize code for UNPACK_SEQUENCE.
Raymond Hettinger <python@rcn.com>
parents: 31618
diff changeset
1821 while (oparg--) {
b4e4dbd24fe7 Refactor and optimize code for UNPACK_SEQUENCE.
Raymond Hettinger <python@rcn.com>
parents: 31618
diff changeset
1822 w = items[oparg];
b4e4dbd24fe7 Refactor and optimize code for UNPACK_SEQUENCE.
Raymond Hettinger <python@rcn.com>
parents: 31618
diff changeset
1823 Py_INCREF(w);
b4e4dbd24fe7 Refactor and optimize code for UNPACK_SEQUENCE.
Raymond Hettinger <python@rcn.com>
parents: 31618
diff changeset
1824 PUSH(w);
6157
647e60fb3bac eval_code2(): collapsed the implementations of UNPACK_TUPLE and
Barry Warsaw <barry@python.org>
parents: 6147
diff changeset
1825 }
31630
b4e4dbd24fe7 Refactor and optimize code for UNPACK_SEQUENCE.
Raymond Hettinger <python@rcn.com>
parents: 31618
diff changeset
1826 } else if (unpack_iterable(v, oparg,
43416
dc39dddea330 Try harder to stay within the 79-column limit. There's still two places that go (way) over, but those are harder to fix without suffering in readability.
Thomas Wouters <thomas@python.org>
parents: 43408
diff changeset
1827 stack_pointer + oparg)) {
18195
36e825660a24 Teach the UNPACK_SEQUENCE opcode how to tease an iterable object into
Tim Peters <tim.peters@gmail.com>
parents: 18194
diff changeset
1828 stack_pointer += oparg;
41256
9cf22c5eee3d Patch #1682205: a TypeError while unpacking an iterable is no longer
Georg Brandl <georg@python.org>
parents: 41007
diff changeset
1829 } else {
9cf22c5eee3d Patch #1682205: a TypeError while unpacking an iterable is no longer
Georg Brandl <georg@python.org>
parents: 41007
diff changeset
1830 /* unpack_iterable() raised an exception */
6157
647e60fb3bac eval_code2(): collapsed the implementations of UNPACK_TUPLE and
Barry Warsaw <barry@python.org>
parents: 6147
diff changeset
1831 why = WHY_EXCEPTION;
20183
c6b6189a8397 SF bug [#466173] unpack TypeError unclear
Tim Peters <tim.peters@gmail.com>
parents: 20114
diff changeset
1832 }
5368
f2132d1f66a6 Quickly renamed.
Guido van Rossum <guido@python.org>
parents: 5177
diff changeset
1833 Py_DECREF(v);
173
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
1834 break;
15948
3bc2440427d3 Rich comparisons fall-out:
Guido van Rossum <guido@python.org>
parents: 15899
diff changeset
1835
173
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
1836 case STORE_ATTR:
24607
3e4d432872ea get rid of GETNAMEV macro - use GETITEM directly
Skip Montanaro <skip@pobox.com>
parents: 24545
diff changeset
1837 w = GETITEM(names, oparg);
27186
04aa86d49d93 SF patch #664320: Replace push/pop clusters in ceval.c
Raymond Hettinger <python@rcn.com>
parents: 26141
diff changeset
1838 v = TOP();
04aa86d49d93 SF patch #664320: Replace push/pop clusters in ceval.c
Raymond Hettinger <python@rcn.com>
parents: 26141
diff changeset
1839 u = SECOND();
04aa86d49d93 SF patch #664320: Replace push/pop clusters in ceval.c
Raymond Hettinger <python@rcn.com>
parents: 26141
diff changeset
1840 STACKADJ(-2);
5368
f2132d1f66a6 Quickly renamed.
Guido van Rossum <guido@python.org>
parents: 5177
diff changeset
1841 err = PyObject_SetAttr(v, w, u); /* v.w = u */
f2132d1f66a6 Quickly renamed.
Guido van Rossum <guido@python.org>
parents: 5177
diff changeset
1842 Py_DECREF(v);
f2132d1f66a6 Quickly renamed.
Guido van Rossum <guido@python.org>
parents: 5177
diff changeset
1843 Py_DECREF(u);
31880
4c6fdeb8e2e0 Use continue instead of break whereever possible.
Raymond Hettinger <python@rcn.com>
parents: 31879
diff changeset
1844 if (err == 0) continue;
173
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
1845 break;
15948
3bc2440427d3 Rich comparisons fall-out:
Guido van Rossum <guido@python.org>
parents: 15899
diff changeset
1846
173
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
1847 case DELETE_ATTR:
24607
3e4d432872ea get rid of GETNAMEV macro - use GETITEM directly
Skip Montanaro <skip@pobox.com>
parents: 24545
diff changeset
1848 w = GETITEM(names, oparg);
173
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
1849 v = POP();
5405
b7871ca930ad Massive changes for separate thread state management.
Guido van Rossum <guido@python.org>
parents: 5368
diff changeset
1850 err = PyObject_SetAttr(v, w, (PyObject *)NULL);
b7871ca930ad Massive changes for separate thread state management.
Guido van Rossum <guido@python.org>
parents: 5368
diff changeset
1851 /* del v.w */
5368
f2132d1f66a6 Quickly renamed.
Guido van Rossum <guido@python.org>
parents: 5177
diff changeset
1852 Py_DECREF(v);
173
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
1853 break;
15948
3bc2440427d3 Rich comparisons fall-out:
Guido van Rossum <guido@python.org>
parents: 15899
diff changeset
1854
464
90300ca21200 Added STORE_GLOBAL and DELETE_GLOBAL.
Guido van Rossum <guido@python.org>
parents: 409
diff changeset
1855 case STORE_GLOBAL:
24607
3e4d432872ea get rid of GETNAMEV macro - use GETITEM directly
Skip Montanaro <skip@pobox.com>
parents: 24545
diff changeset
1856 w = GETITEM(names, oparg);
464
90300ca21200 Added STORE_GLOBAL and DELETE_GLOBAL.
Guido van Rossum <guido@python.org>
parents: 409
diff changeset
1857 v = POP();
5368
f2132d1f66a6 Quickly renamed.
Guido van Rossum <guido@python.org>
parents: 5177
diff changeset
1858 err = PyDict_SetItem(f->f_globals, w, v);
f2132d1f66a6 Quickly renamed.
Guido van Rossum <guido@python.org>
parents: 5177
diff changeset
1859 Py_DECREF(v);
31880
4c6fdeb8e2e0 Use continue instead of break whereever possible.
Raymond Hettinger <python@rcn.com>
parents: 31879
diff changeset
1860 if (err == 0) continue;
464
90300ca21200 Added STORE_GLOBAL and DELETE_GLOBAL.
Guido van Rossum <guido@python.org>
parents: 409
diff changeset
1861 break;
15948
3bc2440427d3 Rich comparisons fall-out:
Guido van Rossum <guido@python.org>
parents: 15899
diff changeset
1862
464
90300ca21200 Added STORE_GLOBAL and DELETE_GLOBAL.
Guido van Rossum <guido@python.org>
parents: 409
diff changeset
1863 case DELETE_GLOBAL:
24607
3e4d432872ea get rid of GETNAMEV macro - use GETITEM directly
Skip Montanaro <skip@pobox.com>
parents: 24545
diff changeset
1864 w = GETITEM(names, oparg);
5368
f2132d1f66a6 Quickly renamed.
Guido van Rossum <guido@python.org>
parents: 5177
diff changeset
1865 if ((err = PyDict_DelItem(f->f_globals, w)) != 0)
14268
cd8b815cb196 Better error message with UnboundLocalError
Paul Prescod <prescod@prescod.net>
parents: 14238
diff changeset
1866 format_exc_check_arg(
16257
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16017
diff changeset
1867 PyExc_NameError, GLOBAL_NAME_ERROR_MSG, w);
464
90300ca21200 Added STORE_GLOBAL and DELETE_GLOBAL.
Guido van Rossum <guido@python.org>
parents: 409
diff changeset
1868 break;
15948
3bc2440427d3 Rich comparisons fall-out:
Guido van Rossum <guido@python.org>
parents: 15899
diff changeset
1869
173
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
1870 case LOAD_NAME:
24607
3e4d432872ea get rid of GETNAMEV macro - use GETITEM directly
Skip Montanaro <skip@pobox.com>
parents: 24545
diff changeset
1871 w = GETITEM(names, oparg);
32463
d4a59230e93a SF Bug #215126: Over restricted type checking on eval() function
Raymond Hettinger <python@rcn.com>
parents: 32421
diff changeset
1872 if ((v = f->f_locals) == NULL) {
16017
7234d7c3c29f clearer error messages for apply() and "no locals"
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15948
diff changeset
1873 PyErr_Format(PyExc_SystemError,
7234d7c3c29f clearer error messages for apply() and "no locals"
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15948
diff changeset
1874 "no locals when loading %s",
16394
f700e6b8de1f Undo recent change that banned using import to bind a global, as per
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16365
diff changeset
1875 PyObject_REPR(w));
50111
2f8c317dff17 Merged revisions 67666,67685 via svnmerge from
Jeffrey Yasskin <jyasskin@gmail.com>
parents: 50106
diff changeset
1876 why = WHY_EXCEPTION;
2844
0261bf5b3819 keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents: 2813
diff changeset
1877 break;
0261bf5b3819 keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents: 2813
diff changeset
1878 }
32900
ac73f6662e11 Fix for the unfortunate fact that PyDict_GetItem and PyObject_GetItem
Michael W. Hudson <mwh@python.net>
parents: 32890
diff changeset
1879 if (PyDict_CheckExact(v)) {
32463
d4a59230e93a SF Bug #215126: Over restricted type checking on eval() function
Raymond Hettinger <python@rcn.com>
parents: 32421
diff changeset
1880 x = PyDict_GetItem(v, w);
32900
ac73f6662e11 Fix for the unfortunate fact that PyDict_GetItem and PyObject_GetItem
Michael W. Hudson <mwh@python.net>
parents: 32890
diff changeset
1881 Py_XINCREF(x);
ac73f6662e11 Fix for the unfortunate fact that PyDict_GetItem and PyObject_GetItem
Michael W. Hudson <mwh@python.net>
parents: 32890
diff changeset
1882 }
32463
d4a59230e93a SF Bug #215126: Over restricted type checking on eval() function
Raymond Hettinger <python@rcn.com>
parents: 32421
diff changeset
1883 else {
d4a59230e93a SF Bug #215126: Over restricted type checking on eval() function
Raymond Hettinger <python@rcn.com>
parents: 32421
diff changeset
1884 x = PyObject_GetItem(v, w);
d4a59230e93a SF Bug #215126: Over restricted type checking on eval() function
Raymond Hettinger <python@rcn.com>
parents: 32421
diff changeset
1885 if (x == NULL && PyErr_Occurred()) {
43416
dc39dddea330 Try harder to stay within the 79-column limit. There's still two places that go (way) over, but those are harder to fix without suffering in readability.
Thomas Wouters <thomas@python.org>
parents: 43408
diff changeset
1886 if (!PyErr_ExceptionMatches(
dc39dddea330 Try harder to stay within the 79-column limit. There's still two places that go (way) over, but those are harder to fix without suffering in readability.
Thomas Wouters <thomas@python.org>
parents: 43408
diff changeset
1887 PyExc_KeyError))
32463
d4a59230e93a SF Bug #215126: Over restricted type checking on eval() function
Raymond Hettinger <python@rcn.com>
parents: 32421
diff changeset
1888 break;
d4a59230e93a SF Bug #215126: Over restricted type checking on eval() function
Raymond Hettinger <python@rcn.com>
parents: 32421
diff changeset
1889 PyErr_Clear();
d4a59230e93a SF Bug #215126: Over restricted type checking on eval() function
Raymond Hettinger <python@rcn.com>
parents: 32421
diff changeset
1890 }
d4a59230e93a SF Bug #215126: Over restricted type checking on eval() function
Raymond Hettinger <python@rcn.com>
parents: 32421
diff changeset
1891 }
173
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
1892 if (x == NULL) {
5368
f2132d1f66a6 Quickly renamed.
Guido van Rossum <guido@python.org>
parents: 5177
diff changeset
1893 x = PyDict_GetItem(f->f_globals, w);
173
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
1894 if (x == NULL) {
5368
f2132d1f66a6 Quickly renamed.
Guido van Rossum <guido@python.org>
parents: 5177
diff changeset
1895 x = PyDict_GetItem(f->f_builtins, w);
173
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
1896 if (x == NULL) {
14268
cd8b815cb196 Better error message with UnboundLocalError
Paul Prescod <prescod@prescod.net>
parents: 14238
diff changeset
1897 format_exc_check_arg(
15948
3bc2440427d3 Rich comparisons fall-out:
Guido van Rossum <guido@python.org>
parents: 15899
diff changeset
1898 PyExc_NameError,
43416
dc39dddea330 Try harder to stay within the 79-column limit. There's still two places that go (way) over, but those are harder to fix without suffering in readability.
Thomas Wouters <thomas@python.org>
parents: 43408
diff changeset
1899 NAME_ERROR_MSG, w);
173
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
1900 break;
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
1901 }
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
1902 }
32900
ac73f6662e11 Fix for the unfortunate fact that PyDict_GetItem and PyObject_GetItem
Michael W. Hudson <mwh@python.net>
parents: 32890
diff changeset
1903 Py_INCREF(x);
173
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
1904 }
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
1905 PUSH(x);
31878
26ee1b3eb345 Small code improvements for readability, code size, and/or speed.
Raymond Hettinger <python@rcn.com>
parents: 31875
diff changeset
1906 continue;
15948
3bc2440427d3 Rich comparisons fall-out:
Guido van Rossum <guido@python.org>
parents: 15899
diff changeset
1907
173
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
1908 case LOAD_GLOBAL:
24607
3e4d432872ea get rid of GETNAMEV macro - use GETITEM directly
Skip Montanaro <skip@pobox.com>
parents: 24545
diff changeset
1909 w = GETITEM(names, oparg);
47527
52294af4b663 This reverts r63675 based on the discussion in this thread:
Gregory P. Smith <greg@mad-scientist.com>
parents: 47294
diff changeset
1910 if (PyString_CheckExact(w)) {
24900
2cdf3d0dfabd Add a warning comment to the LOAD_GLOBAL inline code.
Guido van Rossum <guido@python.org>
parents: 24899
diff changeset
1911 /* Inline the PyDict_GetItem() calls.
2cdf3d0dfabd Add a warning comment to the LOAD_GLOBAL inline code.
Guido van Rossum <guido@python.org>
parents: 24899
diff changeset
1912 WARNING: this is an extreme speed hack.
2cdf3d0dfabd Add a warning comment to the LOAD_GLOBAL inline code.
Guido van Rossum <guido@python.org>
parents: 24899
diff changeset
1913 Do not try this at home. */
47527
52294af4b663 This reverts r63675 based on the discussion in this thread:
Gregory P. Smith <greg@mad-scientist.com>
parents: 47294
diff changeset
1914 long hash = ((PyStringObject *)w)->ob_shash;
24899
8f8fe990e82c Another ugly inlining hack, expanding the two PyDict_GetItem() calls
Guido van Rossum <guido@python.org>
parents: 24870
diff changeset
1915 if (hash != -1) {
8f8fe990e82c Another ugly inlining hack, expanding the two PyDict_GetItem() calls
Guido van Rossum <guido@python.org>
parents: 24870
diff changeset
1916 PyDictObject *d;
38536
175cbdf9a5fb [ 1497053 ] Let dicts propagate the exceptions in user __eq__().
Armin Rigo <arigo@tunes.org>
parents: 38425
diff changeset
1917 PyDictEntry *e;
24899
8f8fe990e82c Another ugly inlining hack, expanding the two PyDict_GetItem() calls
Guido van Rossum <guido@python.org>
parents: 24870
diff changeset
1918 d = (PyDictObject *)(f->f_globals);
38536
175cbdf9a5fb [ 1497053 ] Let dicts propagate the exceptions in user __eq__().
Armin Rigo <arigo@tunes.org>
parents: 38425
diff changeset
1919 e = d->ma_lookup(d, w, hash);
175cbdf9a5fb [ 1497053 ] Let dicts propagate the exceptions in user __eq__().
Armin Rigo <arigo@tunes.org>
parents: 38425
diff changeset
1920 if (e == NULL) {
175cbdf9a5fb [ 1497053 ] Let dicts propagate the exceptions in user __eq__().
Armin Rigo <arigo@tunes.org>
parents: 38425
diff changeset
1921 x = NULL;
175cbdf9a5fb [ 1497053 ] Let dicts propagate the exceptions in user __eq__().
Armin Rigo <arigo@tunes.org>
parents: 38425
diff changeset
1922 break;
175cbdf9a5fb [ 1497053 ] Let dicts propagate the exceptions in user __eq__().
Armin Rigo <arigo@tunes.org>
parents: 38425
diff changeset
1923 }
175cbdf9a5fb [ 1497053 ] Let dicts propagate the exceptions in user __eq__().
Armin Rigo <arigo@tunes.org>
parents: 38425
diff changeset
1924 x = e->me_value;
24899
8f8fe990e82c Another ugly inlining hack, expanding the two PyDict_GetItem() calls
Guido van Rossum <guido@python.org>
parents: 24870
diff changeset
1925 if (x != NULL) {
8f8fe990e82c Another ugly inlining hack, expanding the two PyDict_GetItem() calls
Guido van Rossum <guido@python.org>
parents: 24870
diff changeset
1926 Py_INCREF(x);
8f8fe990e82c Another ugly inlining hack, expanding the two PyDict_GetItem() calls
Guido van Rossum <guido@python.org>
parents: 24870
diff changeset
1927 PUSH(x);
8f8fe990e82c Another ugly inlining hack, expanding the two PyDict_GetItem() calls
Guido van Rossum <guido@python.org>
parents: 24870
diff changeset
1928 continue;
8f8fe990e82c Another ugly inlining hack, expanding the two PyDict_GetItem() calls
Guido van Rossum <guido@python.org>
parents: 24870
diff changeset
1929 }
8f8fe990e82c Another ugly inlining hack, expanding the two PyDict_GetItem() calls
Guido van Rossum <guido@python.org>
parents: 24870
diff changeset
1930 d = (PyDictObject *)(f->f_builtins);
38536
175cbdf9a5fb [ 1497053 ] Let dicts propagate the exceptions in user __eq__().
Armin Rigo <arigo@tunes.org>
parents: 38425
diff changeset
1931 e = d->ma_lookup(d, w, hash);
175cbdf9a5fb [ 1497053 ] Let dicts propagate the exceptions in user __eq__().
Armin Rigo <arigo@tunes.org>
parents: 38425
diff changeset
1932 if (e == NULL) {
175cbdf9a5fb [ 1497053 ] Let dicts propagate the exceptions in user __eq__().
Armin Rigo <arigo@tunes.org>
parents: 38425
diff changeset
1933 x = NULL;
175cbdf9a5fb [ 1497053 ] Let dicts propagate the exceptions in user __eq__().
Armin Rigo <arigo@tunes.org>
parents: 38425
diff changeset
1934 break;
175cbdf9a5fb [ 1497053 ] Let dicts propagate the exceptions in user __eq__().
Armin Rigo <arigo@tunes.org>
parents: 38425
diff changeset
1935 }
175cbdf9a5fb [ 1497053 ] Let dicts propagate the exceptions in user __eq__().
Armin Rigo <arigo@tunes.org>
parents: 38425
diff changeset
1936 x = e->me_value;
24899
8f8fe990e82c Another ugly inlining hack, expanding the two PyDict_GetItem() calls
Guido van Rossum <guido@python.org>
parents: 24870
diff changeset
1937 if (x != NULL) {
8f8fe990e82c Another ugly inlining hack, expanding the two PyDict_GetItem() calls
Guido van Rossum <guido@python.org>
parents: 24870
diff changeset
1938 Py_INCREF(x);
8f8fe990e82c Another ugly inlining hack, expanding the two PyDict_GetItem() calls
Guido van Rossum <guido@python.org>
parents: 24870
diff changeset
1939 PUSH(x);
8f8fe990e82c Another ugly inlining hack, expanding the two PyDict_GetItem() calls
Guido van Rossum <guido@python.org>
parents: 24870
diff changeset
1940 continue;
8f8fe990e82c Another ugly inlining hack, expanding the two PyDict_GetItem() calls
Guido van Rossum <guido@python.org>
parents: 24870
diff changeset
1941 }
8f8fe990e82c Another ugly inlining hack, expanding the two PyDict_GetItem() calls
Guido van Rossum <guido@python.org>
parents: 24870
diff changeset
1942 goto load_global_error;
8f8fe990e82c Another ugly inlining hack, expanding the two PyDict_GetItem() calls
Guido van Rossum <guido@python.org>
parents: 24870
diff changeset
1943 }
8f8fe990e82c Another ugly inlining hack, expanding the two PyDict_GetItem() calls
Guido van Rossum <guido@python.org>
parents: 24870
diff changeset
1944 }
8f8fe990e82c Another ugly inlining hack, expanding the two PyDict_GetItem() calls
Guido van Rossum <guido@python.org>
parents: 24870
diff changeset
1945 /* This is the un-inlined version of the code above */
5368
f2132d1f66a6 Quickly renamed.
Guido van Rossum <guido@python.org>
parents: 5177
diff changeset
1946 x = PyDict_GetItem(f->f_globals, w);
173
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
1947 if (x == NULL) {
5368
f2132d1f66a6 Quickly renamed.
Guido van Rossum <guido@python.org>
parents: 5177
diff changeset
1948 x = PyDict_GetItem(f->f_builtins, w);
173
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
1949 if (x == NULL) {
24899
8f8fe990e82c Another ugly inlining hack, expanding the two PyDict_GetItem() calls
Guido van Rossum <guido@python.org>
parents: 24870
diff changeset
1950 load_global_error:
14268
cd8b815cb196 Better error message with UnboundLocalError
Paul Prescod <prescod@prescod.net>
parents: 14238
diff changeset
1951 format_exc_check_arg(
15948
3bc2440427d3 Rich comparisons fall-out:
Guido van Rossum <guido@python.org>
parents: 15899
diff changeset
1952 PyExc_NameError,
24899
8f8fe990e82c Another ugly inlining hack, expanding the two PyDict_GetItem() calls
Guido van Rossum <guido@python.org>
parents: 24870
diff changeset
1953 GLOBAL_NAME_ERROR_MSG, w);
173
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
1954 break;
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
1955 }
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
1956 }
5368
f2132d1f66a6 Quickly renamed.
Guido van Rossum <guido@python.org>
parents: 5177
diff changeset
1957 Py_INCREF(x);
173
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
1958 PUSH(x);
31880
4c6fdeb8e2e0 Use continue instead of break whereever possible.
Raymond Hettinger <python@rcn.com>
parents: 31879
diff changeset
1959 continue;
2844
0261bf5b3819 keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents: 2813
diff changeset
1960
1262
f820e6917f07 Changes to speed up local variables enormously, by avoiding dictionary
Guido van Rossum <guido@python.org>
parents: 1257
diff changeset
1961 case DELETE_FAST:
8318
ec87b62466d3 DELETE_FAST should issue an exception when the local variable is undefined.
Guido van Rossum <guido@python.org>
parents: 7982
diff changeset
1962 x = GETLOCAL(oparg);
31878
26ee1b3eb345 Small code improvements for readability, code size, and/or speed.
Raymond Hettinger <python@rcn.com>
parents: 31875
diff changeset
1963 if (x != NULL) {
26ee1b3eb345 Small code improvements for readability, code size, and/or speed.
Raymond Hettinger <python@rcn.com>
parents: 31875
diff changeset
1964 SETLOCAL(oparg, NULL);
26ee1b3eb345 Small code improvements for readability, code size, and/or speed.
Raymond Hettinger <python@rcn.com>
parents: 31875
diff changeset
1965 continue;
8318
ec87b62466d3 DELETE_FAST should issue an exception when the local variable is undefined.
Guido van Rossum <guido@python.org>
parents: 7982
diff changeset
1966 }
31878
26ee1b3eb345 Small code improvements for readability, code size, and/or speed.
Raymond Hettinger <python@rcn.com>
parents: 31875
diff changeset
1967 format_exc_check_arg(
26ee1b3eb345 Small code improvements for readability, code size, and/or speed.
Raymond Hettinger <python@rcn.com>
parents: 31875
diff changeset
1968 PyExc_UnboundLocalError,
26ee1b3eb345 Small code improvements for readability, code size, and/or speed.
Raymond Hettinger <python@rcn.com>
parents: 31875
diff changeset
1969 UNBOUNDLOCAL_ERROR_MSG,
26ee1b3eb345 Small code improvements for readability, code size, and/or speed.
Raymond Hettinger <python@rcn.com>
parents: 31875
diff changeset
1970 PyTuple_GetItem(co->co_varnames, oparg)
26ee1b3eb345 Small code improvements for readability, code size, and/or speed.
Raymond Hettinger <python@rcn.com>
parents: 31875
diff changeset
1971 );
26ee1b3eb345 Small code improvements for readability, code size, and/or speed.
Raymond Hettinger <python@rcn.com>
parents: 31875
diff changeset
1972 break;
15948
3bc2440427d3 Rich comparisons fall-out:
Guido van Rossum <guido@python.org>
parents: 15899
diff changeset
1973
16257
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16017
diff changeset
1974 case LOAD_CLOSURE:
16355
e4420c2468f9 Remove f_closure slot of frameobject and use f_localsplus instead.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16257
diff changeset
1975 x = freevars[oparg];
16257
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16017
diff changeset
1976 Py_INCREF(x);
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16017
diff changeset
1977 PUSH(x);
31880
4c6fdeb8e2e0 Use continue instead of break whereever possible.
Raymond Hettinger <python@rcn.com>
parents: 31879
diff changeset
1978 if (x != NULL) continue;
16257
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16017
diff changeset
1979 break;
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16017
diff changeset
1980
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16017
diff changeset
1981 case LOAD_DEREF:
16355
e4420c2468f9 Remove f_closure slot of frameobject and use f_localsplus instead.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16257
diff changeset
1982 x = freevars[oparg];
16257
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16017
diff changeset
1983 w = PyCell_Get(x);
31878
26ee1b3eb345 Small code improvements for readability, code size, and/or speed.
Raymond Hettinger <python@rcn.com>
parents: 31875
diff changeset
1984 if (w != NULL) {
26ee1b3eb345 Small code improvements for readability, code size, and/or speed.
Raymond Hettinger <python@rcn.com>
parents: 31875
diff changeset
1985 PUSH(w);
26ee1b3eb345 Small code improvements for readability, code size, and/or speed.
Raymond Hettinger <python@rcn.com>
parents: 31875
diff changeset
1986 continue;
26ee1b3eb345 Small code improvements for readability, code size, and/or speed.
Raymond Hettinger <python@rcn.com>
parents: 31875
diff changeset
1987 }
26ee1b3eb345 Small code improvements for readability, code size, and/or speed.
Raymond Hettinger <python@rcn.com>
parents: 31875
diff changeset
1988 err = -1;
26ee1b3eb345 Small code improvements for readability, code size, and/or speed.
Raymond Hettinger <python@rcn.com>
parents: 31875
diff changeset
1989 /* Don't stomp existing exception */
26ee1b3eb345 Small code improvements for readability, code size, and/or speed.
Raymond Hettinger <python@rcn.com>
parents: 31875
diff changeset
1990 if (PyErr_Occurred())
16453
2e3dd62ceac5 SF patch 103596 by Nick Mathewson: rause UnboundLocalError for
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16398
diff changeset
1991 break;
38253
4bd299d00e4c Applied patch 1337051 by Neal Norwitz, saving 4 ints on frame objects.
Richard Jones <richard@commonground.com.au>
parents: 38217
diff changeset
1992 if (oparg < PyTuple_GET_SIZE(co->co_cellvars)) {
4bd299d00e4c Applied patch 1337051 by Neal Norwitz, saving 4 ints on frame objects.
Richard Jones <richard@commonground.com.au>
parents: 38217
diff changeset
1993 v = PyTuple_GET_ITEM(co->co_cellvars,
31878
26ee1b3eb345 Small code improvements for readability, code size, and/or speed.
Raymond Hettinger <python@rcn.com>
parents: 31875
diff changeset
1994 oparg);
26ee1b3eb345 Small code improvements for readability, code size, and/or speed.
Raymond Hettinger <python@rcn.com>
parents: 31875
diff changeset
1995 format_exc_check_arg(
26ee1b3eb345 Small code improvements for readability, code size, and/or speed.
Raymond Hettinger <python@rcn.com>
parents: 31875
diff changeset
1996 PyExc_UnboundLocalError,
26ee1b3eb345 Small code improvements for readability, code size, and/or speed.
Raymond Hettinger <python@rcn.com>
parents: 31875
diff changeset
1997 UNBOUNDLOCAL_ERROR_MSG,
26ee1b3eb345 Small code improvements for readability, code size, and/or speed.
Raymond Hettinger <python@rcn.com>
parents: 31875
diff changeset
1998 v);
26ee1b3eb345 Small code improvements for readability, code size, and/or speed.
Raymond Hettinger <python@rcn.com>
parents: 31875
diff changeset
1999 } else {
43416
dc39dddea330 Try harder to stay within the 79-column limit. There's still two places that go (way) over, but those are harder to fix without suffering in readability.
Thomas Wouters <thomas@python.org>
parents: 43408
diff changeset
2000 v = PyTuple_GET_ITEM(co->co_freevars, oparg -
dc39dddea330 Try harder to stay within the 79-column limit. There's still two places that go (way) over, but those are harder to fix without suffering in readability.
Thomas Wouters <thomas@python.org>
parents: 43408
diff changeset
2001 PyTuple_GET_SIZE(co->co_cellvars));
dc39dddea330 Try harder to stay within the 79-column limit. There's still two places that go (way) over, but those are harder to fix without suffering in readability.
Thomas Wouters <thomas@python.org>
parents: 43408
diff changeset
2002 format_exc_check_arg(PyExc_NameError,
dc39dddea330 Try harder to stay within the 79-column limit. There's still two places that go (way) over, but those are harder to fix without suffering in readability.
Thomas Wouters <thomas@python.org>
parents: 43408
diff changeset
2003 UNBOUNDFREE_ERROR_MSG, v);
16453
2e3dd62ceac5 SF patch 103596 by Nick Mathewson: rause UnboundLocalError for
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16398
diff changeset
2004 }
16257
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16017
diff changeset
2005 break;
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16017
diff changeset
2006
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16017
diff changeset
2007 case STORE_DEREF:
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16017
diff changeset
2008 w = POP();
16355
e4420c2468f9 Remove f_closure slot of frameobject and use f_localsplus instead.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16257
diff changeset
2009 x = freevars[oparg];
16257
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16017
diff changeset
2010 PyCell_Set(x, w);
17034
ba81d79dc3a3 Variety of small INC/DECREF patches that fix reported memory leaks
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16631
diff changeset
2011 Py_DECREF(w);
16257
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16017
diff changeset
2012 continue;
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16017
diff changeset
2013
173
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
2014 case BUILD_TUPLE:
5368
f2132d1f66a6 Quickly renamed.
Guido van Rossum <guido@python.org>
parents: 5177
diff changeset
2015 x = PyTuple_New(oparg);
173
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
2016 if (x != NULL) {
31894
310dd98ea064 Revert 2.393, elimination of pre-decrementing, which
Raymond Hettinger <python@rcn.com>
parents: 31880
diff changeset
2017 for (; --oparg >= 0;) {
173
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
2018 w = POP();
5368
f2132d1f66a6 Quickly renamed.
Guido van Rossum <guido@python.org>
parents: 5177
diff changeset
2019 PyTuple_SET_ITEM(x, oparg, w);
173
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
2020 }
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
2021 PUSH(x);
5002
ae3b46a73765 Add "if (x != NULL) continue;" (or similar for err==0) before the
Guido van Rossum <guido@python.org>
parents: 4992
diff changeset
2022 continue;
173
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
2023 }
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
2024 break;
15948
3bc2440427d3 Rich comparisons fall-out:
Guido van Rossum <guido@python.org>
parents: 15899
diff changeset
2025
173
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
2026 case BUILD_LIST:
5368
f2132d1f66a6 Quickly renamed.
Guido van Rossum <guido@python.org>
parents: 5177
diff changeset
2027 x = PyList_New(oparg);
173
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
2028 if (x != NULL) {
31894
310dd98ea064 Revert 2.393, elimination of pre-decrementing, which
Raymond Hettinger <python@rcn.com>
parents: 31880
diff changeset
2029 for (; --oparg >= 0;) {
173
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
2030 w = POP();
8811
e58a614fb8e4 In BUILD_LIST, use PyList_SET_ITEM() instead of PyList_SetItem(); and
Guido van Rossum <guido@python.org>
parents: 8652
diff changeset
2031 PyList_SET_ITEM(x, oparg, w);
173
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
2032 }
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
2033 PUSH(x);
5002
ae3b46a73765 Add "if (x != NULL) continue;" (or similar for err==0) before the
Guido van Rossum <guido@python.org>
parents: 4992
diff changeset
2034 continue;
173
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
2035 }
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
2036 break;
15948
3bc2440427d3 Rich comparisons fall-out:
Guido van Rossum <guido@python.org>
parents: 15899
diff changeset
2037
173
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
2038 case BUILD_MAP:
44339
7ac117b3be37 Give meaning to the oparg for BUILD_MAP: estimated size of the dictionary.
Raymond Hettinger <python@rcn.com>
parents: 44334
diff changeset
2039 x = _PyDict_NewPresized((Py_ssize_t)oparg);
173
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
2040 PUSH(x);
5002
ae3b46a73765 Add "if (x != NULL) continue;" (or similar for err==0) before the
Guido van Rossum <guido@python.org>
parents: 4992
diff changeset
2041 if (x != NULL) continue;
173
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
2042 break;
15948
3bc2440427d3 Rich comparisons fall-out:
Guido van Rossum <guido@python.org>
parents: 15899
diff changeset
2043
44334
07aa19170a67 Speed-up dictionary constructor by about 10%.
Raymond Hettinger <python@rcn.com>
parents: 44292
diff changeset
2044 case STORE_MAP:
07aa19170a67 Speed-up dictionary constructor by about 10%.
Raymond Hettinger <python@rcn.com>
parents: 44292
diff changeset
2045 w = TOP(); /* key */
07aa19170a67 Speed-up dictionary constructor by about 10%.
Raymond Hettinger <python@rcn.com>
parents: 44292
diff changeset
2046 u = SECOND(); /* value */
07aa19170a67 Speed-up dictionary constructor by about 10%.
Raymond Hettinger <python@rcn.com>
parents: 44292
diff changeset
2047 v = THIRD(); /* dict */
07aa19170a67 Speed-up dictionary constructor by about 10%.
Raymond Hettinger <python@rcn.com>
parents: 44292
diff changeset
2048 STACKADJ(-2);
07aa19170a67 Speed-up dictionary constructor by about 10%.
Raymond Hettinger <python@rcn.com>
parents: 44292
diff changeset
2049 assert (PyDict_CheckExact(v));
07aa19170a67 Speed-up dictionary constructor by about 10%.
Raymond Hettinger <python@rcn.com>
parents: 44292
diff changeset
2050 err = PyDict_SetItem(v, w, u); /* v[w] = u */
07aa19170a67 Speed-up dictionary constructor by about 10%.
Raymond Hettinger <python@rcn.com>
parents: 44292
diff changeset
2051 Py_DECREF(u);
07aa19170a67 Speed-up dictionary constructor by about 10%.
Raymond Hettinger <python@rcn.com>
parents: 44292
diff changeset
2052 Py_DECREF(w);
07aa19170a67 Speed-up dictionary constructor by about 10%.
Raymond Hettinger <python@rcn.com>
parents: 44292
diff changeset
2053 if (err == 0) continue;
07aa19170a67 Speed-up dictionary constructor by about 10%.
Raymond Hettinger <python@rcn.com>
parents: 44292
diff changeset
2054 break;
07aa19170a67 Speed-up dictionary constructor by about 10%.
Raymond Hettinger <python@rcn.com>
parents: 44292
diff changeset
2055
173
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
2056 case LOAD_ATTR:
24607
3e4d432872ea get rid of GETNAMEV macro - use GETITEM directly
Skip Montanaro <skip@pobox.com>
parents: 24545
diff changeset
2057 w = GETITEM(names, oparg);
27186
04aa86d49d93 SF patch #664320: Replace push/pop clusters in ceval.c
Raymond Hettinger <python@rcn.com>
parents: 26141
diff changeset
2058 v = TOP();
5368
f2132d1f66a6 Quickly renamed.
Guido van Rossum <guido@python.org>
parents: 5177
diff changeset
2059 x = PyObject_GetAttr(v, w);
f2132d1f66a6 Quickly renamed.
Guido van Rossum <guido@python.org>
parents: 5177
diff changeset
2060 Py_DECREF(v);
27186
04aa86d49d93 SF patch #664320: Replace push/pop clusters in ceval.c
Raymond Hettinger <python@rcn.com>
parents: 26141
diff changeset
2061 SET_TOP(x);
5002
ae3b46a73765 Add "if (x != NULL) continue;" (or similar for err==0) before the
Guido van Rossum <guido@python.org>
parents: 4992
diff changeset
2062 if (x != NULL) continue;
173
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
2063 break;
15948
3bc2440427d3 Rich comparisons fall-out:
Guido van Rossum <guido@python.org>
parents: 15899
diff changeset
2064
173
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
2065 case COMPARE_OP:
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
2066 w = POP();
27186
04aa86d49d93 SF patch #664320: Replace push/pop clusters in ceval.c
Raymond Hettinger <python@rcn.com>
parents: 26141
diff changeset
2067 v = TOP();
27295
b8387730dd8f SF patch #670367: Micro-optimizations for ceval.c
Raymond Hettinger <python@rcn.com>
parents: 27243
diff changeset
2068 if (PyInt_CheckExact(w) && PyInt_CheckExact(v)) {
5829
f1127d6fcd74 Huge speedup by inlining some common integer operations:
Guido van Rossum <guido@python.org>
parents: 5610
diff changeset
2069 /* INLINE: cmp(int, int) */
f1127d6fcd74 Huge speedup by inlining some common integer operations:
Guido van Rossum <guido@python.org>
parents: 5610
diff changeset
2070 register long a, b;
f1127d6fcd74 Huge speedup by inlining some common integer operations:
Guido van Rossum <guido@python.org>
parents: 5610
diff changeset
2071 register int res;
9591
7f90736701a3 Use PyInt_AS_LONG macro instead of explicit inlining.
Guido van Rossum <guido@python.org>
parents: 9513
diff changeset
2072 a = PyInt_AS_LONG(v);
7f90736701a3 Use PyInt_AS_LONG macro instead of explicit inlining.
Guido van Rossum <guido@python.org>
parents: 9513
diff changeset
2073 b = PyInt_AS_LONG(w);
5829
f1127d6fcd74 Huge speedup by inlining some common integer operations:
Guido van Rossum <guido@python.org>
parents: 5610
diff changeset
2074 switch (oparg) {
21609
3ba0f1b20320 Patch #494783: Rename cmp_op enumerators.
Martin v. Löwis <martin@v.loewis.de>
parents: 21537
diff changeset
2075 case PyCmp_LT: res = a < b; break;
3ba0f1b20320 Patch #494783: Rename cmp_op enumerators.
Martin v. Löwis <martin@v.loewis.de>
parents: 21537
diff changeset
2076 case PyCmp_LE: res = a <= b; break;
3ba0f1b20320 Patch #494783: Rename cmp_op enumerators.
Martin v. Löwis <martin@v.loewis.de>
parents: 21537
diff changeset
2077 case PyCmp_EQ: res = a == b; break;
3ba0f1b20320 Patch #494783: Rename cmp_op enumerators.
Martin v. Löwis <martin@v.loewis.de>
parents: 21537
diff changeset
2078 case PyCmp_NE: res = a != b; break;
3ba0f1b20320 Patch #494783: Rename cmp_op enumerators.
Martin v. Löwis <martin@v.loewis.de>
parents: 21537
diff changeset
2079 case PyCmp_GT: res = a > b; break;
3ba0f1b20320 Patch #494783: Rename cmp_op enumerators.
Martin v. Löwis <martin@v.loewis.de>
parents: 21537
diff changeset
2080 case PyCmp_GE: res = a >= b; break;
3ba0f1b20320 Patch #494783: Rename cmp_op enumerators.
Martin v. Löwis <martin@v.loewis.de>
parents: 21537
diff changeset
2081 case PyCmp_IS: res = v == w; break;
3ba0f1b20320 Patch #494783: Rename cmp_op enumerators.
Martin v. Löwis <martin@v.loewis.de>
parents: 21537
diff changeset
2082 case PyCmp_IS_NOT: res = v != w; break;
5829
f1127d6fcd74 Huge speedup by inlining some common integer operations:
Guido van Rossum <guido@python.org>
parents: 5610
diff changeset
2083 default: goto slow_compare;
f1127d6fcd74 Huge speedup by inlining some common integer operations:
Guido van Rossum <guido@python.org>
parents: 5610
diff changeset
2084 }
f1127d6fcd74 Huge speedup by inlining some common integer operations:
Guido van Rossum <guido@python.org>
parents: 5610
diff changeset
2085 x = res ? Py_True : Py_False;
f1127d6fcd74 Huge speedup by inlining some common integer operations:
Guido van Rossum <guido@python.org>
parents: 5610
diff changeset
2086 Py_INCREF(x);
f1127d6fcd74 Huge speedup by inlining some common integer operations:
Guido van Rossum <guido@python.org>
parents: 5610
diff changeset
2087 }
f1127d6fcd74 Huge speedup by inlining some common integer operations:
Guido van Rossum <guido@python.org>
parents: 5610
diff changeset
2088 else {
f1127d6fcd74 Huge speedup by inlining some common integer operations:
Guido van Rossum <guido@python.org>
parents: 5610
diff changeset
2089 slow_compare:
f1127d6fcd74 Huge speedup by inlining some common integer operations:
Guido van Rossum <guido@python.org>
parents: 5610
diff changeset
2090 x = cmp_outcome(oparg, v, w);
f1127d6fcd74 Huge speedup by inlining some common integer operations:
Guido van Rossum <guido@python.org>
parents: 5610
diff changeset
2091 }
5368
f2132d1f66a6 Quickly renamed.
Guido van Rossum <guido@python.org>
parents: 5177
diff changeset
2092 Py_DECREF(v);
f2132d1f66a6 Quickly renamed.
Guido van Rossum <guido@python.org>
parents: 5177
diff changeset
2093 Py_DECREF(w);
27186
04aa86d49d93 SF patch #664320: Replace push/pop clusters in ceval.c
Raymond Hettinger <python@rcn.com>
parents: 26141
diff changeset
2094 SET_TOP(x);
28302
8c082936daaf Introduced macros for a simple opcode prediction protocol.
Raymond Hettinger <python@rcn.com>
parents: 28296
diff changeset
2095 if (x == NULL) break;
8c082936daaf Introduced macros for a simple opcode prediction protocol.
Raymond Hettinger <python@rcn.com>
parents: 28296
diff changeset
2096 PREDICT(JUMP_IF_FALSE);
8c082936daaf Introduced macros for a simple opcode prediction protocol.
Raymond Hettinger <python@rcn.com>
parents: 28296
diff changeset
2097 PREDICT(JUMP_IF_TRUE);
8c082936daaf Introduced macros for a simple opcode prediction protocol.
Raymond Hettinger <python@rcn.com>
parents: 28296
diff changeset
2098 continue;
15948
3bc2440427d3 Rich comparisons fall-out:
Guido van Rossum <guido@python.org>
parents: 15899
diff changeset
2099
173
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
2100 case IMPORT_NAME:
24607
3e4d432872ea get rid of GETNAMEV macro - use GETITEM directly
Skip Montanaro <skip@pobox.com>
parents: 24545
diff changeset
2101 w = GETITEM(names, oparg);
5368
f2132d1f66a6 Quickly renamed.
Guido van Rossum <guido@python.org>
parents: 5177
diff changeset
2102 x = PyDict_GetItemString(f->f_builtins, "__import__");
2052
d7e91437f0a2 Lots of changes, most minor (fatal() instead of abort(), use of
Guido van Rossum <guido@python.org>
parents: 2006
diff changeset
2103 if (x == NULL) {
5368
f2132d1f66a6 Quickly renamed.
Guido van Rossum <guido@python.org>
parents: 5177
diff changeset
2104 PyErr_SetString(PyExc_ImportError,
5413
10267fdc7531 Used operators from abstract.h where possible (arithmetic operators,
Guido van Rossum <guido@python.org>
parents: 5405
diff changeset
2105 "__import__ not found");
2052
d7e91437f0a2 Lots of changes, most minor (fatal() instead of abort(), use of
Guido van Rossum <guido@python.org>
parents: 2006
diff changeset
2106 break;
d7e91437f0a2 Lots of changes, most minor (fatal() instead of abort(), use of
Guido van Rossum <guido@python.org>
parents: 2006
diff changeset
2107 }
44894
4c8308ac20cd Fix two crashers.
Guido van Rossum <guido@python.org>
parents: 44350
diff changeset
2108 Py_INCREF(x);
36712
5c36c222e7ca SF patch #1438387, PEP 328: relative and absolute imports.
Thomas Wouters <thomas@python.org>
parents: 36702
diff changeset
2109 v = POP();
27186
04aa86d49d93 SF patch #664320: Replace push/pop clusters in ceval.c
Raymond Hettinger <python@rcn.com>
parents: 26141
diff changeset
2110 u = TOP();
36712
5c36c222e7ca SF patch #1438387, PEP 328: relative and absolute imports.
Thomas Wouters <thomas@python.org>
parents: 36702
diff changeset
2111 if (PyInt_AsLong(u) != -1 || PyErr_Occurred())
5c36c222e7ca SF patch #1438387, PEP 328: relative and absolute imports.
Thomas Wouters <thomas@python.org>
parents: 36702
diff changeset
2112 w = PyTuple_Pack(5,
5c36c222e7ca SF patch #1438387, PEP 328: relative and absolute imports.
Thomas Wouters <thomas@python.org>
parents: 36702
diff changeset
2113 w,
5c36c222e7ca SF patch #1438387, PEP 328: relative and absolute imports.
Thomas Wouters <thomas@python.org>
parents: 36702
diff changeset
2114 f->f_globals,
5c36c222e7ca SF patch #1438387, PEP 328: relative and absolute imports.
Thomas Wouters <thomas@python.org>
parents: 36702
diff changeset
2115 f->f_locals == NULL ?
5c36c222e7ca SF patch #1438387, PEP 328: relative and absolute imports.
Thomas Wouters <thomas@python.org>
parents: 36702
diff changeset
2116 Py_None : f->f_locals,
5c36c222e7ca SF patch #1438387, PEP 328: relative and absolute imports.
Thomas Wouters <thomas@python.org>
parents: 36702
diff changeset
2117 v,
5c36c222e7ca SF patch #1438387, PEP 328: relative and absolute imports.
Thomas Wouters <thomas@python.org>
parents: 36702
diff changeset
2118 u);
5c36c222e7ca SF patch #1438387, PEP 328: relative and absolute imports.
Thomas Wouters <thomas@python.org>
parents: 36702
diff changeset
2119 else
5c36c222e7ca SF patch #1438387, PEP 328: relative and absolute imports.
Thomas Wouters <thomas@python.org>
parents: 36702
diff changeset
2120 w = PyTuple_Pack(4,
5c36c222e7ca SF patch #1438387, PEP 328: relative and absolute imports.
Thomas Wouters <thomas@python.org>
parents: 36702
diff changeset
2121 w,
5c36c222e7ca SF patch #1438387, PEP 328: relative and absolute imports.
Thomas Wouters <thomas@python.org>
parents: 36702
diff changeset
2122 f->f_globals,
5c36c222e7ca SF patch #1438387, PEP 328: relative and absolute imports.
Thomas Wouters <thomas@python.org>
parents: 36702
diff changeset
2123 f->f_locals == NULL ?
5c36c222e7ca SF patch #1438387, PEP 328: relative and absolute imports.
Thomas Wouters <thomas@python.org>
parents: 36702
diff changeset
2124 Py_None : f->f_locals,
5c36c222e7ca SF patch #1438387, PEP 328: relative and absolute imports.
Thomas Wouters <thomas@python.org>
parents: 36702
diff changeset
2125 v);
5c36c222e7ca SF patch #1438387, PEP 328: relative and absolute imports.
Thomas Wouters <thomas@python.org>
parents: 36702
diff changeset
2126 Py_DECREF(v);
5368
f2132d1f66a6 Quickly renamed.
Guido van Rossum <guido@python.org>
parents: 5177
diff changeset
2127 Py_DECREF(u);
2052
d7e91437f0a2 Lots of changes, most minor (fatal() instead of abort(), use of
Guido van Rossum <guido@python.org>
parents: 2006
diff changeset
2128 if (w == NULL) {
27186
04aa86d49d93 SF patch #664320: Replace push/pop clusters in ceval.c
Raymond Hettinger <python@rcn.com>
parents: 26141
diff changeset
2129 u = POP();
44894
4c8308ac20cd Fix two crashers.
Guido van Rossum <guido@python.org>
parents: 44350
diff changeset
2130 Py_DECREF(x);
2052
d7e91437f0a2 Lots of changes, most minor (fatal() instead of abort(), use of
Guido van Rossum <guido@python.org>
parents: 2006
diff changeset
2131 x = NULL;
d7e91437f0a2 Lots of changes, most minor (fatal() instead of abort(), use of
Guido van Rossum <guido@python.org>
parents: 2006
diff changeset
2132 break;
d7e91437f0a2 Lots of changes, most minor (fatal() instead of abort(), use of
Guido van Rossum <guido@python.org>
parents: 2006
diff changeset
2133 }
34442
683719e04218 Change the name of the macro used by --with-tsc builds to the less
Michael W. Hudson <mwh@python.net>
parents: 34371
diff changeset
2134 READ_TIMESTAMP(intr0);
44894
4c8308ac20cd Fix two crashers.
Guido van Rossum <guido@python.org>
parents: 44350
diff changeset
2135 v = x;
4c8308ac20cd Fix two crashers.
Guido van Rossum <guido@python.org>
parents: 44350
diff changeset
2136 x = PyEval_CallObject(v, w);
4c8308ac20cd Fix two crashers.
Guido van Rossum <guido@python.org>
parents: 44350
diff changeset
2137 Py_DECREF(v);
34442
683719e04218 Change the name of the macro used by --with-tsc builds to the less
Michael W. Hudson <mwh@python.net>
parents: 34371
diff changeset
2138 READ_TIMESTAMP(intr1);
5368
f2132d1f66a6 Quickly renamed.
Guido van Rossum <guido@python.org>
parents: 5177
diff changeset
2139 Py_DECREF(w);
27186
04aa86d49d93 SF patch #664320: Replace push/pop clusters in ceval.c
Raymond Hettinger <python@rcn.com>
parents: 26141
diff changeset
2140 SET_TOP(x);
5002
ae3b46a73765 Add "if (x != NULL) continue;" (or similar for err==0) before the
Guido van Rossum <guido@python.org>
parents: 4992
diff changeset
2141 if (x != NULL) continue;
173
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
2142 break;
15948
3bc2440427d3 Rich comparisons fall-out:
Guido van Rossum <guido@python.org>
parents: 15899
diff changeset
2143
14038
18385172fac0 Apply SF patch #101135, adding 'import module as m' and 'from module import
Thomas Wouters <thomas@python.org>
parents: 13930
diff changeset
2144 case IMPORT_STAR:
18385172fac0 Apply SF patch #101135, adding 'import module as m' and 'from module import
Thomas Wouters <thomas@python.org>
parents: 13930
diff changeset
2145 v = POP();
5368
f2132d1f66a6 Quickly renamed.
Guido van Rossum <guido@python.org>
parents: 5177
diff changeset
2146 PyFrame_FastToLocals(f);
2844
0261bf5b3819 keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents: 2813
diff changeset
2147 if ((x = f->f_locals) == NULL) {
5405
b7871ca930ad Massive changes for separate thread state management.
Guido van Rossum <guido@python.org>
parents: 5368
diff changeset
2148 PyErr_SetString(PyExc_SystemError,
16017
7234d7c3c29f clearer error messages for apply() and "no locals"
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15948
diff changeset
2149 "no locals found during 'import *'");
2844
0261bf5b3819 keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents: 2813
diff changeset
2150 break;
0261bf5b3819 keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents: 2813
diff changeset
2151 }
34442
683719e04218 Change the name of the macro used by --with-tsc builds to the less
Michael W. Hudson <mwh@python.net>
parents: 34371
diff changeset
2152 READ_TIMESTAMP(intr0);
14038
18385172fac0 Apply SF patch #101135, adding 'import module as m' and 'from module import
Thomas Wouters <thomas@python.org>
parents: 13930
diff changeset
2153 err = import_all_from(x, v);
34442
683719e04218 Change the name of the macro used by --with-tsc builds to the less
Michael W. Hudson <mwh@python.net>
parents: 34371
diff changeset
2154 READ_TIMESTAMP(intr1);
5368
f2132d1f66a6 Quickly renamed.
Guido van Rossum <guido@python.org>
parents: 5177
diff changeset
2155 PyFrame_LocalsToFast(f, 0);
14038
18385172fac0 Apply SF patch #101135, adding 'import module as m' and 'from module import
Thomas Wouters <thomas@python.org>
parents: 13930
diff changeset
2156 Py_DECREF(v);
5002
ae3b46a73765 Add "if (x != NULL) continue;" (or similar for err==0) before the
Guido van Rossum <guido@python.org>
parents: 4992
diff changeset
2157 if (err == 0) continue;
173
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
2158 break;
1288
9fed5726a36d Several changes in one:
Guido van Rossum <guido@python.org>
parents: 1282
diff changeset
2159
14038
18385172fac0 Apply SF patch #101135, adding 'import module as m' and 'from module import
Thomas Wouters <thomas@python.org>
parents: 13930
diff changeset
2160 case IMPORT_FROM:
24607
3e4d432872ea get rid of GETNAMEV macro - use GETITEM directly
Skip Montanaro <skip@pobox.com>
parents: 24545
diff changeset
2161 w = GETITEM(names, oparg);
14038
18385172fac0 Apply SF patch #101135, adding 'import module as m' and 'from module import
Thomas Wouters <thomas@python.org>
parents: 13930
diff changeset
2162 v = TOP();
34442
683719e04218 Change the name of the macro used by --with-tsc builds to the less
Michael W. Hudson <mwh@python.net>
parents: 34371
diff changeset
2163 READ_TIMESTAMP(intr0);
14038
18385172fac0 Apply SF patch #101135, adding 'import module as m' and 'from module import
Thomas Wouters <thomas@python.org>
parents: 13930
diff changeset
2164 x = import_from(v, w);
34442
683719e04218 Change the name of the macro used by --with-tsc builds to the less
Michael W. Hudson <mwh@python.net>
parents: 34371
diff changeset
2165 READ_TIMESTAMP(intr1);
14038
18385172fac0 Apply SF patch #101135, adding 'import module as m' and 'from module import
Thomas Wouters <thomas@python.org>
parents: 13930
diff changeset
2166 PUSH(x);
18385172fac0 Apply SF patch #101135, adding 'import module as m' and 'from module import
Thomas Wouters <thomas@python.org>
parents: 13930
diff changeset
2167 if (x != NULL) continue;
18385172fac0 Apply SF patch #101135, adding 'import module as m' and 'from module import
Thomas Wouters <thomas@python.org>
parents: 13930
diff changeset
2168 break;
18385172fac0 Apply SF patch #101135, adding 'import module as m' and 'from module import
Thomas Wouters <thomas@python.org>
parents: 13930
diff changeset
2169
173
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
2170 case JUMP_FORWARD:
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
2171 JUMPBY(oparg);
29349
2f731c57cdc6 Use fast_next_opcode shortcut for forward jump opcodes (it's safe and
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 29339
diff changeset
2172 goto fast_next_opcode;
15948
3bc2440427d3 Rich comparisons fall-out:
Guido van Rossum <guido@python.org>
parents: 15899
diff changeset
2173
28302
8c082936daaf Introduced macros for a simple opcode prediction protocol.
Raymond Hettinger <python@rcn.com>
parents: 28296
diff changeset
2174 PREDICTED_WITH_ARG(JUMP_IF_FALSE);
173
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
2175 case JUMP_IF_FALSE:
28077
fcb39b0a6e30 Micro-optimizations.
Raymond Hettinger <python@rcn.com>
parents: 27978
diff changeset
2176 w = TOP();
28302
8c082936daaf Introduced macros for a simple opcode prediction protocol.
Raymond Hettinger <python@rcn.com>
parents: 28296
diff changeset
2177 if (w == Py_True) {
8c082936daaf Introduced macros for a simple opcode prediction protocol.
Raymond Hettinger <python@rcn.com>
parents: 28296
diff changeset
2178 PREDICT(POP_TOP);
29349
2f731c57cdc6 Use fast_next_opcode shortcut for forward jump opcodes (it's safe and
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 29339
diff changeset
2179 goto fast_next_opcode;
28302
8c082936daaf Introduced macros for a simple opcode prediction protocol.
Raymond Hettinger <python@rcn.com>
parents: 28296
diff changeset
2180 }
28077
fcb39b0a6e30 Micro-optimizations.
Raymond Hettinger <python@rcn.com>
parents: 27978
diff changeset
2181 if (w == Py_False) {
fcb39b0a6e30 Micro-optimizations.
Raymond Hettinger <python@rcn.com>
parents: 27978
diff changeset
2182 JUMPBY(oparg);
29349
2f731c57cdc6 Use fast_next_opcode shortcut for forward jump opcodes (it's safe and
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 29339
diff changeset
2183 goto fast_next_opcode;
28077
fcb39b0a6e30 Micro-optimizations.
Raymond Hettinger <python@rcn.com>
parents: 27978
diff changeset
2184 }
fcb39b0a6e30 Micro-optimizations.
Raymond Hettinger <python@rcn.com>
parents: 27978
diff changeset
2185 err = PyObject_IsTrue(w);
944
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 926
diff changeset
2186 if (err > 0)
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 926
diff changeset
2187 err = 0;
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 926
diff changeset
2188 else if (err == 0)
173
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
2189 JUMPBY(oparg);
5002
ae3b46a73765 Add "if (x != NULL) continue;" (or similar for err==0) before the
Guido van Rossum <guido@python.org>
parents: 4992
diff changeset
2190 else
ae3b46a73765 Add "if (x != NULL) continue;" (or similar for err==0) before the
Guido van Rossum <guido@python.org>
parents: 4992
diff changeset
2191 break;
ae3b46a73765 Add "if (x != NULL) continue;" (or similar for err==0) before the
Guido van Rossum <guido@python.org>
parents: 4992
diff changeset
2192 continue;
15948
3bc2440427d3 Rich comparisons fall-out:
Guido van Rossum <guido@python.org>
parents: 15899
diff changeset
2193
28302
8c082936daaf Introduced macros for a simple opcode prediction protocol.
Raymond Hettinger <python@rcn.com>
parents: 28296
diff changeset
2194 PREDICTED_WITH_ARG(JUMP_IF_TRUE);
173
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
2195 case JUMP_IF_TRUE:
28077
fcb39b0a6e30 Micro-optimizations.
Raymond Hettinger <python@rcn.com>
parents: 27978
diff changeset
2196 w = TOP();
28302
8c082936daaf Introduced macros for a simple opcode prediction protocol.
Raymond Hettinger <python@rcn.com>
parents: 28296
diff changeset
2197 if (w == Py_False) {
8c082936daaf Introduced macros for a simple opcode prediction protocol.
Raymond Hettinger <python@rcn.com>
parents: 28296
diff changeset
2198 PREDICT(POP_TOP);
29349
2f731c57cdc6 Use fast_next_opcode shortcut for forward jump opcodes (it's safe and
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 29339
diff changeset
2199 goto fast_next_opcode;
28302
8c082936daaf Introduced macros for a simple opcode prediction protocol.
Raymond Hettinger <python@rcn.com>
parents: 28296
diff changeset
2200 }
28077
fcb39b0a6e30 Micro-optimizations.
Raymond Hettinger <python@rcn.com>
parents: 27978
diff changeset
2201 if (w == Py_True) {
fcb39b0a6e30 Micro-optimizations.
Raymond Hettinger <python@rcn.com>
parents: 27978
diff changeset
2202 JUMPBY(oparg);
29349
2f731c57cdc6 Use fast_next_opcode shortcut for forward jump opcodes (it's safe and
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 29339
diff changeset
2203 goto fast_next_opcode;
28077
fcb39b0a6e30 Micro-optimizations.
Raymond Hettinger <python@rcn.com>
parents: 27978
diff changeset
2204 }
fcb39b0a6e30 Micro-optimizations.
Raymond Hettinger <python@rcn.com>
parents: 27978
diff changeset
2205 err = PyObject_IsTrue(w);
944
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 926
diff changeset
2206 if (err > 0) {
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 926
diff changeset
2207 err = 0;
173
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
2208 JUMPBY(oparg);
944
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 926
diff changeset
2209 }
5002
ae3b46a73765 Add "if (x != NULL) continue;" (or similar for err==0) before the
Guido van Rossum <guido@python.org>
parents: 4992
diff changeset
2210 else if (err == 0)
ae3b46a73765 Add "if (x != NULL) continue;" (or similar for err==0) before the
Guido van Rossum <guido@python.org>
parents: 4992
diff changeset
2211 ;
ae3b46a73765 Add "if (x != NULL) continue;" (or similar for err==0) before the
Guido van Rossum <guido@python.org>
parents: 4992
diff changeset
2212 else
ae3b46a73765 Add "if (x != NULL) continue;" (or similar for err==0) before the
Guido van Rossum <guido@python.org>
parents: 4992
diff changeset
2213 break;
ae3b46a73765 Add "if (x != NULL) continue;" (or similar for err==0) before the
Guido van Rossum <guido@python.org>
parents: 4992
diff changeset
2214 continue;
15948
3bc2440427d3 Rich comparisons fall-out:
Guido van Rossum <guido@python.org>
parents: 15899
diff changeset
2215
31649
243642bbd03f LIST_APPEND is predicably followed by JUMP_ABSOLUTE.
Raymond Hettinger <python@rcn.com>
parents: 31647
diff changeset
2216 PREDICTED_WITH_ARG(JUMP_ABSOLUTE);
173
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
2217 case JUMP_ABSOLUTE:
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
2218 JUMPTO(oparg);
43784
8fcc3f46c69d Add build option for faster loop execution.
Raymond Hettinger <python@rcn.com>
parents: 43416
diff changeset
2219 #if FAST_LOOPS
8fcc3f46c69d Add build option for faster loop execution.
Raymond Hettinger <python@rcn.com>
parents: 43416
diff changeset
2220 /* Enabling this path speeds-up all while and for-loops by bypassing
8fcc3f46c69d Add build option for faster loop execution.
Raymond Hettinger <python@rcn.com>
parents: 43416
diff changeset
2221 the per-loop checks for signals. By default, this should be turned-off
8fcc3f46c69d Add build option for faster loop execution.
Raymond Hettinger <python@rcn.com>
parents: 43416
diff changeset
2222 because it prevents detection of a control-break in tight loops like
8fcc3f46c69d Add build option for faster loop execution.
Raymond Hettinger <python@rcn.com>
parents: 43416
diff changeset
2223 "while 1: pass". Compile with this option turned-on when you need
8fcc3f46c69d Add build option for faster loop execution.
Raymond Hettinger <python@rcn.com>
parents: 43416
diff changeset
2224 the speed-up and do not need break checking inside tight loops (ones
48077
30485bc17268 Raymond's patch for #1819: speedup function calls with named parameters
Antoine Pitrou <solipsis@pitrou.net>
parents: 47985
diff changeset
2225 that contain only instructions ending with goto fast_next_opcode).
43784
8fcc3f46c69d Add build option for faster loop execution.
Raymond Hettinger <python@rcn.com>
parents: 43416
diff changeset
2226 */
8fcc3f46c69d Add build option for faster loop execution.
Raymond Hettinger <python@rcn.com>
parents: 43416
diff changeset
2227 goto fast_next_opcode;
8fcc3f46c69d Add build option for faster loop execution.
Raymond Hettinger <python@rcn.com>
parents: 43416
diff changeset
2228 #else
29337
f9495815c18f Don't use fast_next_opcode for JUMP_* opcodes. This fixes the problem
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 28886
diff changeset
2229 continue;
43784
8fcc3f46c69d Add build option for faster loop execution.
Raymond Hettinger <python@rcn.com>
parents: 43416
diff changeset
2230 #endif
15948
3bc2440427d3 Rich comparisons fall-out:
Guido van Rossum <guido@python.org>
parents: 15899
diff changeset
2231
17597
32e7d0898eab Iterators phase 1. This comprises:
Guido van Rossum <guido@python.org>
parents: 17494
diff changeset
2232 case GET_ITER:
32e7d0898eab Iterators phase 1. This comprises:
Guido van Rossum <guido@python.org>
parents: 17494
diff changeset
2233 /* before: [obj]; after [getiter(obj)] */
27186
04aa86d49d93 SF patch #664320: Replace push/pop clusters in ceval.c
Raymond Hettinger <python@rcn.com>
parents: 26141
diff changeset
2234 v = TOP();
17597
32e7d0898eab Iterators phase 1. This comprises:
Guido van Rossum <guido@python.org>
parents: 17494
diff changeset
2235 x = PyObject_GetIter(v);
32e7d0898eab Iterators phase 1. This comprises:
Guido van Rossum <guido@python.org>
parents: 17494
diff changeset
2236 Py_DECREF(v);
32e7d0898eab Iterators phase 1. This comprises:
Guido van Rossum <guido@python.org>
parents: 17494
diff changeset
2237 if (x != NULL) {
27186
04aa86d49d93 SF patch #664320: Replace push/pop clusters in ceval.c
Raymond Hettinger <python@rcn.com>
parents: 26141
diff changeset
2238 SET_TOP(x);
28304
b14d6741f496 Eliminate data dependency in predict macro.
Raymond Hettinger <python@rcn.com>
parents: 28303
diff changeset
2239 PREDICT(FOR_ITER);
17617
aac65f50df6f Mondo changes to the iterator stuff, without changing how Python code
Guido van Rossum <guido@python.org>
parents: 17600
diff changeset
2240 continue;
17597
32e7d0898eab Iterators phase 1. This comprises:
Guido van Rossum <guido@python.org>
parents: 17494
diff changeset
2241 }
27243
3afbd55fb18f Replaced POP() with STACKADJ(-1) on lines where the result wasn't used.
Raymond Hettinger <python@rcn.com>
parents: 27201
diff changeset
2242 STACKADJ(-1);
17597
32e7d0898eab Iterators phase 1. This comprises:
Guido van Rossum <guido@python.org>
parents: 17494
diff changeset
2243 break;
32e7d0898eab Iterators phase 1. This comprises:
Guido van Rossum <guido@python.org>
parents: 17494
diff changeset
2244
28304
b14d6741f496 Eliminate data dependency in predict macro.
Raymond Hettinger <python@rcn.com>
parents: 28303
diff changeset
2245 PREDICTED_WITH_ARG(FOR_ITER);
17597
32e7d0898eab Iterators phase 1. This comprises:
Guido van Rossum <guido@python.org>
parents: 17494
diff changeset
2246 case FOR_ITER:
32e7d0898eab Iterators phase 1. This comprises:
Guido van Rossum <guido@python.org>
parents: 17494
diff changeset
2247 /* before: [iter]; after: [iter, iter()] *or* [] */
32e7d0898eab Iterators phase 1. This comprises:
Guido van Rossum <guido@python.org>
parents: 17494
diff changeset
2248 v = TOP();
31646
83b0382e0d36 Speedup for-loops by inlining PyIter_Next(). Saves duplicate tests
Raymond Hettinger <python@rcn.com>
parents: 31630
diff changeset
2249 x = (*v->ob_type->tp_iternext)(v);
17617
aac65f50df6f Mondo changes to the iterator stuff, without changing how Python code
Guido van Rossum <guido@python.org>
parents: 17600
diff changeset
2250 if (x != NULL) {
aac65f50df6f Mondo changes to the iterator stuff, without changing how Python code
Guido van Rossum <guido@python.org>
parents: 17600
diff changeset
2251 PUSH(x);
28304
b14d6741f496 Eliminate data dependency in predict macro.
Raymond Hettinger <python@rcn.com>
parents: 28303
diff changeset
2252 PREDICT(STORE_FAST);
b14d6741f496 Eliminate data dependency in predict macro.
Raymond Hettinger <python@rcn.com>
parents: 28303
diff changeset
2253 PREDICT(UNPACK_SEQUENCE);
17617
aac65f50df6f Mondo changes to the iterator stuff, without changing how Python code
Guido van Rossum <guido@python.org>
parents: 17600
diff changeset
2254 continue;
17597
32e7d0898eab Iterators phase 1. This comprises:
Guido van Rossum <guido@python.org>
parents: 17494
diff changeset
2255 }
31646
83b0382e0d36 Speedup for-loops by inlining PyIter_Next(). Saves duplicate tests
Raymond Hettinger <python@rcn.com>
parents: 31630
diff changeset
2256 if (PyErr_Occurred()) {
43416
dc39dddea330 Try harder to stay within the 79-column limit. There's still two places that go (way) over, but those are harder to fix without suffering in readability.
Thomas Wouters <thomas@python.org>
parents: 43408
diff changeset
2257 if (!PyErr_ExceptionMatches(
dc39dddea330 Try harder to stay within the 79-column limit. There's still two places that go (way) over, but those are harder to fix without suffering in readability.
Thomas Wouters <thomas@python.org>
parents: 43408
diff changeset
2258 PyExc_StopIteration))
31646
83b0382e0d36 Speedup for-loops by inlining PyIter_Next(). Saves duplicate tests
Raymond Hettinger <python@rcn.com>
parents: 31630
diff changeset
2259 break;
83b0382e0d36 Speedup for-loops by inlining PyIter_Next(). Saves duplicate tests
Raymond Hettinger <python@rcn.com>
parents: 31630
diff changeset
2260 PyErr_Clear();
17617
aac65f50df6f Mondo changes to the iterator stuff, without changing how Python code
Guido van Rossum <guido@python.org>
parents: 17600
diff changeset
2261 }
31646
83b0382e0d36 Speedup for-loops by inlining PyIter_Next(). Saves duplicate tests
Raymond Hettinger <python@rcn.com>
parents: 31630
diff changeset
2262 /* iterator ended normally */
83b0382e0d36 Speedup for-loops by inlining PyIter_Next(). Saves duplicate tests
Raymond Hettinger <python@rcn.com>
parents: 31630
diff changeset
2263 x = v = POP();
83b0382e0d36 Speedup for-loops by inlining PyIter_Next(). Saves duplicate tests
Raymond Hettinger <python@rcn.com>
parents: 31630
diff changeset
2264 Py_DECREF(v);
83b0382e0d36 Speedup for-loops by inlining PyIter_Next(). Saves duplicate tests
Raymond Hettinger <python@rcn.com>
parents: 31630
diff changeset
2265 JUMPBY(oparg);
83b0382e0d36 Speedup for-loops by inlining PyIter_Next(). Saves duplicate tests
Raymond Hettinger <python@rcn.com>
parents: 31630
diff changeset
2266 continue;
17597
32e7d0898eab Iterators phase 1. This comprises:
Guido van Rossum <guido@python.org>
parents: 17494
diff changeset
2267
31647
d10c778af167 Move the code for BREAK and CONTINUE_LOOP to be near FOR_ITER.
Raymond Hettinger <python@rcn.com>
parents: 31646
diff changeset
2268 case BREAK_LOOP:
d10c778af167 Move the code for BREAK and CONTINUE_LOOP to be near FOR_ITER.
Raymond Hettinger <python@rcn.com>
parents: 31646
diff changeset
2269 why = WHY_BREAK;
d10c778af167 Move the code for BREAK and CONTINUE_LOOP to be near FOR_ITER.
Raymond Hettinger <python@rcn.com>
parents: 31646
diff changeset
2270 goto fast_block_end;
d10c778af167 Move the code for BREAK and CONTINUE_LOOP to be near FOR_ITER.
Raymond Hettinger <python@rcn.com>
parents: 31646
diff changeset
2271
d10c778af167 Move the code for BREAK and CONTINUE_LOOP to be near FOR_ITER.
Raymond Hettinger <python@rcn.com>
parents: 31646
diff changeset
2272 case CONTINUE_LOOP:
d10c778af167 Move the code for BREAK and CONTINUE_LOOP to be near FOR_ITER.
Raymond Hettinger <python@rcn.com>
parents: 31646
diff changeset
2273 retval = PyInt_FromLong(oparg);
38217
2195972f7391 Fix #132 from Coverity, retval could have been derefed
Neal Norwitz <nnorwitz@gmail.com>
parents: 38134
diff changeset
2274 if (!retval) {
2195972f7391 Fix #132 from Coverity, retval could have been derefed
Neal Norwitz <nnorwitz@gmail.com>
parents: 38134
diff changeset
2275 x = NULL;
2195972f7391 Fix #132 from Coverity, retval could have been derefed
Neal Norwitz <nnorwitz@gmail.com>
parents: 38134
diff changeset
2276 break;
2195972f7391 Fix #132 from Coverity, retval could have been derefed
Neal Norwitz <nnorwitz@gmail.com>
parents: 38134
diff changeset
2277 }
31647
d10c778af167 Move the code for BREAK and CONTINUE_LOOP to be near FOR_ITER.
Raymond Hettinger <python@rcn.com>
parents: 31646
diff changeset
2278 why = WHY_CONTINUE;
d10c778af167 Move the code for BREAK and CONTINUE_LOOP to be near FOR_ITER.
Raymond Hettinger <python@rcn.com>
parents: 31646
diff changeset
2279 goto fast_block_end;
d10c778af167 Move the code for BREAK and CONTINUE_LOOP to be near FOR_ITER.
Raymond Hettinger <python@rcn.com>
parents: 31646
diff changeset
2280
173
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
2281 case SETUP_LOOP:
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
2282 case SETUP_EXCEPT:
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
2283 case SETUP_FINALLY:
43416
dc39dddea330 Try harder to stay within the 79-column limit. There's still two places that go (way) over, but those are harder to fix without suffering in readability.
Thomas Wouters <thomas@python.org>
parents: 43408
diff changeset
2284 /* NOTE: If you add any new block-setup opcodes that
dc39dddea330 Try harder to stay within the 79-column limit. There's still two places that go (way) over, but those are harder to fix without suffering in readability.
Thomas Wouters <thomas@python.org>
parents: 43408
diff changeset
2285 are not try/except/finally handlers, you may need
dc39dddea330 Try harder to stay within the 79-column limit. There's still two places that go (way) over, but those are harder to fix without suffering in readability.
Thomas Wouters <thomas@python.org>
parents: 43408
diff changeset
2286 to update the PyGen_NeedsFinalizing() function.
dc39dddea330 Try harder to stay within the 79-column limit. There's still two places that go (way) over, but those are harder to fix without suffering in readability.
Thomas Wouters <thomas@python.org>
parents: 43408
diff changeset
2287 */
37564
c782cf6b516e SF Patch #1463867: Improved generator finalization to allow generators
Phillip J. Eby <pje@telecommunity.com>
parents: 37286
diff changeset
2288
5368
f2132d1f66a6 Quickly renamed.
Guido van Rossum <guido@python.org>
parents: 5177
diff changeset
2289 PyFrame_BlockSetup(f, opcode, INSTR_OFFSET() + oparg,
16398
80c0b280a4f9 Allow 'continue' inside 'try' clause
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16394
diff changeset
2290 STACK_LEVEL());
5002
ae3b46a73765 Add "if (x != NULL) continue;" (or similar for err==0) before the
Guido van Rossum <guido@python.org>
parents: 4992
diff changeset
2291 continue;
15948
3bc2440427d3 Rich comparisons fall-out:
Guido van Rossum <guido@python.org>
parents: 15899
diff changeset
2292
36695
b6d2f6fd3e11 PEP 343 -- the with-statement.
Guido van Rossum <guido@python.org>
parents: 36580
diff changeset
2293 case WITH_CLEANUP:
b6d2f6fd3e11 PEP 343 -- the with-statement.
Guido van Rossum <guido@python.org>
parents: 36580
diff changeset
2294 {
45703
343597c7d682 Speed up with statements by storing the __exit__ method on the stack instead of in a temp variable (bumps the magic number for pyc files)
Nick Coghlan <ncoghlan@gmail.com>
parents: 45624
diff changeset
2295 /* At the top of the stack are 1-3 values indicating
343597c7d682 Speed up with statements by storing the __exit__ method on the stack instead of in a temp variable (bumps the magic number for pyc files)
Nick Coghlan <ncoghlan@gmail.com>
parents: 45624
diff changeset
2296 how/why we entered the finally clause:
343597c7d682 Speed up with statements by storing the __exit__ method on the stack instead of in a temp variable (bumps the magic number for pyc files)
Nick Coghlan <ncoghlan@gmail.com>
parents: 45624
diff changeset
2297 - TOP = None
343597c7d682 Speed up with statements by storing the __exit__ method on the stack instead of in a temp variable (bumps the magic number for pyc files)
Nick Coghlan <ncoghlan@gmail.com>
parents: 45624
diff changeset
2298 - (TOP, SECOND) = (WHY_{RETURN,CONTINUE}), retval
343597c7d682 Speed up with statements by storing the __exit__ method on the stack instead of in a temp variable (bumps the magic number for pyc files)
Nick Coghlan <ncoghlan@gmail.com>
parents: 45624
diff changeset
2299 - TOP = WHY_*; no retval below it
343597c7d682 Speed up with statements by storing the __exit__ method on the stack instead of in a temp variable (bumps the magic number for pyc files)
Nick Coghlan <ncoghlan@gmail.com>
parents: 45624
diff changeset
2300 - (TOP, SECOND, THIRD) = exc_info()
343597c7d682 Speed up with statements by storing the __exit__ method on the stack instead of in a temp variable (bumps the magic number for pyc files)
Nick Coghlan <ncoghlan@gmail.com>
parents: 45624
diff changeset
2301 Below them is EXIT, the context.__exit__ bound method.
36695
b6d2f6fd3e11 PEP 343 -- the with-statement.
Guido van Rossum <guido@python.org>
parents: 36580
diff changeset
2302 In the last case, we must call
45703
343597c7d682 Speed up with statements by storing the __exit__ method on the stack instead of in a temp variable (bumps the magic number for pyc files)
Nick Coghlan <ncoghlan@gmail.com>
parents: 45624
diff changeset
2303 EXIT(TOP, SECOND, THIRD)
36695
b6d2f6fd3e11 PEP 343 -- the with-statement.
Guido van Rossum <guido@python.org>
parents: 36580
diff changeset
2304 otherwise we must call
45703
343597c7d682 Speed up with statements by storing the __exit__ method on the stack instead of in a temp variable (bumps the magic number for pyc files)
Nick Coghlan <ncoghlan@gmail.com>
parents: 45624
diff changeset
2305 EXIT(None, None, None)
343597c7d682 Speed up with statements by storing the __exit__ method on the stack instead of in a temp variable (bumps the magic number for pyc files)
Nick Coghlan <ncoghlan@gmail.com>
parents: 45624
diff changeset
2306
343597c7d682 Speed up with statements by storing the __exit__ method on the stack instead of in a temp variable (bumps the magic number for pyc files)
Nick Coghlan <ncoghlan@gmail.com>
parents: 45624
diff changeset
2307 In all cases, we remove EXIT from the stack, leaving
343597c7d682 Speed up with statements by storing the __exit__ method on the stack instead of in a temp variable (bumps the magic number for pyc files)
Nick Coghlan <ncoghlan@gmail.com>
parents: 45624
diff changeset
2308 the rest in the same order.
36737
fa92fe15251a Updates to the with-statement:
Guido van Rossum <guido@python.org>
parents: 36712
diff changeset
2309
fa92fe15251a Updates to the with-statement:
Guido van Rossum <guido@python.org>
parents: 36712
diff changeset
2310 In addition, if the stack represents an exception,
36926
fc10ff322df1 Um, I thought I'd already checked this in.
Guido van Rossum <guido@python.org>
parents: 36882
diff changeset
2311 *and* the function call returns a 'true' value, we
fc10ff322df1 Um, I thought I'd already checked this in.
Guido van Rossum <guido@python.org>
parents: 36882
diff changeset
2312 "zap" this information, to prevent END_FINALLY from
fc10ff322df1 Um, I thought I'd already checked this in.
Guido van Rossum <guido@python.org>
parents: 36882
diff changeset
2313 re-raising the exception. (But non-local gotos
fc10ff322df1 Um, I thought I'd already checked this in.
Guido van Rossum <guido@python.org>
parents: 36882
diff changeset
2314 should still be resumed.)
36695
b6d2f6fd3e11 PEP 343 -- the with-statement.
Guido van Rossum <guido@python.org>
parents: 36580
diff changeset
2315 */
38418
708eaf0896bf Patch 1145039.
Tim Peters <tim.peters@gmail.com>
parents: 38352
diff changeset
2316
45703
343597c7d682 Speed up with statements by storing the __exit__ method on the stack instead of in a temp variable (bumps the magic number for pyc files)
Nick Coghlan <ncoghlan@gmail.com>
parents: 45624
diff changeset
2317 PyObject *exit_func;
343597c7d682 Speed up with statements by storing the __exit__ method on the stack instead of in a temp variable (bumps the magic number for pyc files)
Nick Coghlan <ncoghlan@gmail.com>
parents: 45624
diff changeset
2318
343597c7d682 Speed up with statements by storing the __exit__ method on the stack instead of in a temp variable (bumps the magic number for pyc files)
Nick Coghlan <ncoghlan@gmail.com>
parents: 45624
diff changeset
2319 u = POP();
343597c7d682 Speed up with statements by storing the __exit__ method on the stack instead of in a temp variable (bumps the magic number for pyc files)
Nick Coghlan <ncoghlan@gmail.com>
parents: 45624
diff changeset
2320 if (u == Py_None) {
343597c7d682 Speed up with statements by storing the __exit__ method on the stack instead of in a temp variable (bumps the magic number for pyc files)
Nick Coghlan <ncoghlan@gmail.com>
parents: 45624
diff changeset
2321 exit_func = TOP();
343597c7d682 Speed up with statements by storing the __exit__ method on the stack instead of in a temp variable (bumps the magic number for pyc files)
Nick Coghlan <ncoghlan@gmail.com>
parents: 45624
diff changeset
2322 SET_TOP(u);
343597c7d682 Speed up with statements by storing the __exit__ method on the stack instead of in a temp variable (bumps the magic number for pyc files)
Nick Coghlan <ncoghlan@gmail.com>
parents: 45624
diff changeset
2323 v = w = Py_None;
343597c7d682 Speed up with statements by storing the __exit__ method on the stack instead of in a temp variable (bumps the magic number for pyc files)
Nick Coghlan <ncoghlan@gmail.com>
parents: 45624
diff changeset
2324 }
343597c7d682 Speed up with statements by storing the __exit__ method on the stack instead of in a temp variable (bumps the magic number for pyc files)
Nick Coghlan <ncoghlan@gmail.com>
parents: 45624
diff changeset
2325 else if (PyInt_Check(u)) {
343597c7d682 Speed up with statements by storing the __exit__ method on the stack instead of in a temp variable (bumps the magic number for pyc files)
Nick Coghlan <ncoghlan@gmail.com>
parents: 45624
diff changeset
2326 switch(PyInt_AS_LONG(u)) {
343597c7d682 Speed up with statements by storing the __exit__ method on the stack instead of in a temp variable (bumps the magic number for pyc files)
Nick Coghlan <ncoghlan@gmail.com>
parents: 45624
diff changeset
2327 case WHY_RETURN:
343597c7d682 Speed up with statements by storing the __exit__ method on the stack instead of in a temp variable (bumps the magic number for pyc files)
Nick Coghlan <ncoghlan@gmail.com>
parents: 45624
diff changeset
2328 case WHY_CONTINUE:
343597c7d682 Speed up with statements by storing the __exit__ method on the stack instead of in a temp variable (bumps the magic number for pyc files)
Nick Coghlan <ncoghlan@gmail.com>
parents: 45624
diff changeset
2329 /* Retval in TOP. */
343597c7d682 Speed up with statements by storing the __exit__ method on the stack instead of in a temp variable (bumps the magic number for pyc files)
Nick Coghlan <ncoghlan@gmail.com>
parents: 45624
diff changeset
2330 exit_func = SECOND();
343597c7d682 Speed up with statements by storing the __exit__ method on the stack instead of in a temp variable (bumps the magic number for pyc files)
Nick Coghlan <ncoghlan@gmail.com>
parents: 45624
diff changeset
2331 SET_SECOND(TOP());
343597c7d682 Speed up with statements by storing the __exit__ method on the stack instead of in a temp variable (bumps the magic number for pyc files)
Nick Coghlan <ncoghlan@gmail.com>
parents: 45624
diff changeset
2332 SET_TOP(u);
343597c7d682 Speed up with statements by storing the __exit__ method on the stack instead of in a temp variable (bumps the magic number for pyc files)
Nick Coghlan <ncoghlan@gmail.com>
parents: 45624
diff changeset
2333 break;
343597c7d682 Speed up with statements by storing the __exit__ method on the stack instead of in a temp variable (bumps the magic number for pyc files)
Nick Coghlan <ncoghlan@gmail.com>
parents: 45624
diff changeset
2334 default:
343597c7d682 Speed up with statements by storing the __exit__ method on the stack instead of in a temp variable (bumps the magic number for pyc files)
Nick Coghlan <ncoghlan@gmail.com>
parents: 45624
diff changeset
2335 exit_func = TOP();
343597c7d682 Speed up with statements by storing the __exit__ method on the stack instead of in a temp variable (bumps the magic number for pyc files)
Nick Coghlan <ncoghlan@gmail.com>
parents: 45624
diff changeset
2336 SET_TOP(u);
343597c7d682 Speed up with statements by storing the __exit__ method on the stack instead of in a temp variable (bumps the magic number for pyc files)
Nick Coghlan <ncoghlan@gmail.com>
parents: 45624
diff changeset
2337 break;
343597c7d682 Speed up with statements by storing the __exit__ method on the stack instead of in a temp variable (bumps the magic number for pyc files)
Nick Coghlan <ncoghlan@gmail.com>
parents: 45624
diff changeset
2338 }
36695
b6d2f6fd3e11 PEP 343 -- the with-statement.
Guido van Rossum <guido@python.org>
parents: 36580
diff changeset
2339 u = v = w = Py_None;
b6d2f6fd3e11 PEP 343 -- the with-statement.
Guido van Rossum <guido@python.org>
parents: 36580
diff changeset
2340 }
b6d2f6fd3e11 PEP 343 -- the with-statement.
Guido van Rossum <guido@python.org>
parents: 36580
diff changeset
2341 else {
45703
343597c7d682 Speed up with statements by storing the __exit__ method on the stack instead of in a temp variable (bumps the magic number for pyc files)
Nick Coghlan <ncoghlan@gmail.com>
parents: 45624
diff changeset
2342 v = TOP();
343597c7d682 Speed up with statements by storing the __exit__ method on the stack instead of in a temp variable (bumps the magic number for pyc files)
Nick Coghlan <ncoghlan@gmail.com>
parents: 45624
diff changeset
2343 w = SECOND();
343597c7d682 Speed up with statements by storing the __exit__ method on the stack instead of in a temp variable (bumps the magic number for pyc files)
Nick Coghlan <ncoghlan@gmail.com>
parents: 45624
diff changeset
2344 exit_func = THIRD();
343597c7d682 Speed up with statements by storing the __exit__ method on the stack instead of in a temp variable (bumps the magic number for pyc files)
Nick Coghlan <ncoghlan@gmail.com>
parents: 45624
diff changeset
2345 SET_TOP(u);
343597c7d682 Speed up with statements by storing the __exit__ method on the stack instead of in a temp variable (bumps the magic number for pyc files)
Nick Coghlan <ncoghlan@gmail.com>
parents: 45624
diff changeset
2346 SET_SECOND(v);
343597c7d682 Speed up with statements by storing the __exit__ method on the stack instead of in a temp variable (bumps the magic number for pyc files)
Nick Coghlan <ncoghlan@gmail.com>
parents: 45624
diff changeset
2347 SET_THIRD(w);
36926
fc10ff322df1 Um, I thought I'd already checked this in.
Guido van Rossum <guido@python.org>
parents: 36882
diff changeset
2348 }
fc10ff322df1 Um, I thought I'd already checked this in.
Guido van Rossum <guido@python.org>
parents: 36882
diff changeset
2349 /* XXX Not the fastest way to call it... */
45703
343597c7d682 Speed up with statements by storing the __exit__ method on the stack instead of in a temp variable (bumps the magic number for pyc files)
Nick Coghlan <ncoghlan@gmail.com>
parents: 45624
diff changeset
2350 x = PyObject_CallFunctionObjArgs(exit_func, u, v, w,
343597c7d682 Speed up with statements by storing the __exit__ method on the stack instead of in a temp variable (bumps the magic number for pyc files)
Nick Coghlan <ncoghlan@gmail.com>
parents: 45624
diff changeset
2351 NULL);
50106
59670b7b77a6 Merged revisions 67688 via svnmerge from
Amaury Forgeot d'Arc <amauryfa@gmail.com>
parents: 48077
diff changeset
2352 Py_DECREF(exit_func);
59670b7b77a6 Merged revisions 67688 via svnmerge from
Amaury Forgeot d'Arc <amauryfa@gmail.com>
parents: 48077
diff changeset
2353 if (x == NULL)
36926
fc10ff322df1 Um, I thought I'd already checked this in.
Guido van Rossum <guido@python.org>
parents: 36882
diff changeset
2354 break; /* Go to error exit */
50106
59670b7b77a6 Merged revisions 67688 via svnmerge from
Amaury Forgeot d'Arc <amauryfa@gmail.com>
parents: 48077
diff changeset
2355
59670b7b77a6 Merged revisions 67688 via svnmerge from
Amaury Forgeot d'Arc <amauryfa@gmail.com>
parents: 48077
diff changeset
2356 if (u != Py_None)
59670b7b77a6 Merged revisions 67688 via svnmerge from
Amaury Forgeot d'Arc <amauryfa@gmail.com>
parents: 48077
diff changeset
2357 err = PyObject_IsTrue(x);
59670b7b77a6 Merged revisions 67688 via svnmerge from
Amaury Forgeot d'Arc <amauryfa@gmail.com>
parents: 48077
diff changeset
2358 else
59670b7b77a6 Merged revisions 67688 via svnmerge from
Amaury Forgeot d'Arc <amauryfa@gmail.com>
parents: 48077
diff changeset
2359 err = 0;
59670b7b77a6 Merged revisions 67688 via svnmerge from
Amaury Forgeot d'Arc <amauryfa@gmail.com>
parents: 48077
diff changeset
2360 Py_DECREF(x);
59670b7b77a6 Merged revisions 67688 via svnmerge from
Amaury Forgeot d'Arc <amauryfa@gmail.com>
parents: 48077
diff changeset
2361
59670b7b77a6 Merged revisions 67688 via svnmerge from
Amaury Forgeot d'Arc <amauryfa@gmail.com>
parents: 48077
diff changeset
2362 if (err < 0)
59670b7b77a6 Merged revisions 67688 via svnmerge from
Amaury Forgeot d'Arc <amauryfa@gmail.com>
parents: 48077
diff changeset
2363 break; /* Go to error exit */
59670b7b77a6 Merged revisions 67688 via svnmerge from
Amaury Forgeot d'Arc <amauryfa@gmail.com>
parents: 48077
diff changeset
2364 else if (err > 0) {
59670b7b77a6 Merged revisions 67688 via svnmerge from
Amaury Forgeot d'Arc <amauryfa@gmail.com>
parents: 48077
diff changeset
2365 err = 0;
36926
fc10ff322df1 Um, I thought I'd already checked this in.
Guido van Rossum <guido@python.org>
parents: 36882
diff changeset
2366 /* There was an exception and a true return */
45703
343597c7d682 Speed up with statements by storing the __exit__ method on the stack instead of in a temp variable (bumps the magic number for pyc files)
Nick Coghlan <ncoghlan@gmail.com>
parents: 45624
diff changeset
2367 STACKADJ(-2);
36737
fa92fe15251a Updates to the with-statement:
Guido van Rossum <guido@python.org>
parents: 36712
diff changeset
2368 Py_INCREF(Py_None);
36926
fc10ff322df1 Um, I thought I'd already checked this in.
Guido van Rossum <guido@python.org>
parents: 36882
diff changeset
2369 SET_TOP(Py_None);
fc10ff322df1 Um, I thought I'd already checked this in.
Guido van Rossum <guido@python.org>
parents: 36882
diff changeset
2370 Py_DECREF(u);
fc10ff322df1 Um, I thought I'd already checked this in.
Guido van Rossum <guido@python.org>
parents: 36882
diff changeset
2371 Py_DECREF(v);
fc10ff322df1 Um, I thought I'd already checked this in.
Guido van Rossum <guido@python.org>
parents: 36882
diff changeset
2372 Py_DECREF(w);
fc10ff322df1 Um, I thought I'd already checked this in.
Guido van Rossum <guido@python.org>
parents: 36882
diff changeset
2373 } else {
45703
343597c7d682 Speed up with statements by storing the __exit__ method on the stack instead of in a temp variable (bumps the magic number for pyc files)
Nick Coghlan <ncoghlan@gmail.com>
parents: 45624
diff changeset
2374 /* The stack was rearranged to remove EXIT
343597c7d682 Speed up with statements by storing the __exit__ method on the stack instead of in a temp variable (bumps the magic number for pyc files)
Nick Coghlan <ncoghlan@gmail.com>
parents: 45624
diff changeset
2375 above. Let END_FINALLY do its thing */
36695
b6d2f6fd3e11 PEP 343 -- the with-statement.
Guido van Rossum <guido@python.org>
parents: 36580
diff changeset
2376 }
45624
6068b75ec27a compile.c always emits END_FINALLY after WITH_CLEANUP, so predict that in
Jeffrey Yasskin <jyasskin@gmail.com>
parents: 45011
diff changeset
2377 PREDICT(END_FINALLY);
36695
b6d2f6fd3e11 PEP 343 -- the with-statement.
Guido van Rossum <guido@python.org>
parents: 36580
diff changeset
2378 break;
b6d2f6fd3e11 PEP 343 -- the with-statement.
Guido van Rossum <guido@python.org>
parents: 36580
diff changeset
2379 }
b6d2f6fd3e11 PEP 343 -- the with-statement.
Guido van Rossum <guido@python.org>
parents: 36580
diff changeset
2380
2813
999b5bdc18ce 3rd arg for raise; INCOMPLETE keyword parameter passing (currently f(kw=value) is seen as f('kw', value))
Guido van Rossum <guido@python.org>
parents: 2612
diff changeset
2381 case CALL_FUNCTION:
32359
e5bc947c44ca Performance tweak: allow stack_pointer and oparg to be register variables.
Armin Rigo <arigo@tunes.org>
parents: 32301
diff changeset
2382 {
e5bc947c44ca Performance tweak: allow stack_pointer and oparg to be register variables.
Armin Rigo <arigo@tunes.org>
parents: 32301
diff changeset
2383 PyObject **sp;
27712
16856c9514e0 Small function call optimization and special build option for call stats.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 27295
diff changeset
2384 PCALL(PCALL_ALL);
32359
e5bc947c44ca Performance tweak: allow stack_pointer and oparg to be register variables.
Armin Rigo <arigo@tunes.org>
parents: 32301
diff changeset
2385 sp = stack_pointer;
32301
41c59d80bbc5 Patch #510695: Add TSC profiling for the VM.
Martin v. Löwis <martin@v.loewis.de>
parents: 32247
diff changeset
2386 #ifdef WITH_TSC
32359
e5bc947c44ca Performance tweak: allow stack_pointer and oparg to be register variables.
Armin Rigo <arigo@tunes.org>
parents: 32301
diff changeset
2387 x = call_function(&sp, oparg, &intr0, &intr1);
32301
41c59d80bbc5 Patch #510695: Add TSC profiling for the VM.
Martin v. Löwis <martin@v.loewis.de>
parents: 32247
diff changeset
2388 #else
32359
e5bc947c44ca Performance tweak: allow stack_pointer and oparg to be register variables.
Armin Rigo <arigo@tunes.org>
parents: 32301
diff changeset
2389 x = call_function(&sp, oparg);
32301
41c59d80bbc5 Patch #510695: Add TSC profiling for the VM.
Martin v. Löwis <martin@v.loewis.de>
parents: 32247
diff changeset
2390 #endif
32359
e5bc947c44ca Performance tweak: allow stack_pointer and oparg to be register variables.
Armin Rigo <arigo@tunes.org>
parents: 32301
diff changeset
2391 stack_pointer = sp;
24868
2306001f6eaa Move body of CALL_FUNCTION opcode into helper function.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 24866
diff changeset
2392 PUSH(x);
2306001f6eaa Move body of CALL_FUNCTION opcode into helper function.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 24866
diff changeset
2393 if (x != NULL)
2306001f6eaa Move body of CALL_FUNCTION opcode into helper function.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 24866
diff changeset
2394 continue;
2306001f6eaa Move body of CALL_FUNCTION opcode into helper function.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 24866
diff changeset
2395 break;
32359
e5bc947c44ca Performance tweak: allow stack_pointer and oparg to be register variables.
Armin Rigo <arigo@tunes.org>
parents: 32301
diff changeset
2396 }
15948
3bc2440427d3 Rich comparisons fall-out:
Guido van Rossum <guido@python.org>
parents: 15899
diff changeset
2397
12082
603db0d0aed1 slightly modified version of Greg Ewing's extended call syntax patch
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11839
diff changeset
2398 case CALL_FUNCTION_VAR:
603db0d0aed1 slightly modified version of Greg Ewing's extended call syntax patch
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11839
diff changeset
2399 case CALL_FUNCTION_KW:
603db0d0aed1 slightly modified version of Greg Ewing's extended call syntax patch
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11839
diff changeset
2400 case CALL_FUNCTION_VAR_KW:
2813
999b5bdc18ce 3rd arg for raise; INCOMPLETE keyword parameter passing (currently f(kw=value) is seen as f('kw', value))
Guido van Rossum <guido@python.org>
parents: 2612
diff changeset
2401 {
12082
603db0d0aed1 slightly modified version of Greg Ewing's extended call syntax patch
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11839
diff changeset
2402 int na = oparg & 0xff;
603db0d0aed1 slightly modified version of Greg Ewing's extended call syntax patch
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11839
diff changeset
2403 int nk = (oparg>>8) & 0xff;
603db0d0aed1 slightly modified version of Greg Ewing's extended call syntax patch
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11839
diff changeset
2404 int flags = (opcode - CALL_FUNCTION) & 3;
15711
2481b5fe86d6 Revised implementation of CALL_FUNCTION and friends.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15364
diff changeset
2405 int n = na + 2 * nk;
32359
e5bc947c44ca Performance tweak: allow stack_pointer and oparg to be register variables.
Armin Rigo <arigo@tunes.org>
parents: 32301
diff changeset
2406 PyObject **pfunc, *func, **sp;
27712
16856c9514e0 Small function call optimization and special build option for call stats.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 27295
diff changeset
2407 PCALL(PCALL_ALL);
15711
2481b5fe86d6 Revised implementation of CALL_FUNCTION and friends.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15364
diff changeset
2408 if (flags & CALL_FLAG_VAR)
2481b5fe86d6 Revised implementation of CALL_FUNCTION and friends.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15364
diff changeset
2409 n++;
2481b5fe86d6 Revised implementation of CALL_FUNCTION and friends.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15364
diff changeset
2410 if (flags & CALL_FLAG_KW)
2481b5fe86d6 Revised implementation of CALL_FUNCTION and friends.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15364
diff changeset
2411 n++;
2481b5fe86d6 Revised implementation of CALL_FUNCTION and friends.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15364
diff changeset
2412 pfunc = stack_pointer - n - 1;
2481b5fe86d6 Revised implementation of CALL_FUNCTION and friends.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15364
diff changeset
2413 func = *pfunc;
2481b5fe86d6 Revised implementation of CALL_FUNCTION and friends.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15364
diff changeset
2414
15948
3bc2440427d3 Rich comparisons fall-out:
Guido van Rossum <guido@python.org>
parents: 15899
diff changeset
2415 if (PyMethod_Check(func)
15711
2481b5fe86d6 Revised implementation of CALL_FUNCTION and friends.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15364
diff changeset
2416 && PyMethod_GET_SELF(func) != NULL) {
2481b5fe86d6 Revised implementation of CALL_FUNCTION and friends.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15364
diff changeset
2417 PyObject *self = PyMethod_GET_SELF(func);
12082
603db0d0aed1 slightly modified version of Greg Ewing's extended call syntax patch
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11839
diff changeset
2418 Py_INCREF(self);
15711
2481b5fe86d6 Revised implementation of CALL_FUNCTION and friends.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15364
diff changeset
2419 func = PyMethod_GET_FUNCTION(func);
2481b5fe86d6 Revised implementation of CALL_FUNCTION and friends.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15364
diff changeset
2420 Py_INCREF(func);
12082
603db0d0aed1 slightly modified version of Greg Ewing's extended call syntax patch
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11839
diff changeset
2421 Py_DECREF(*pfunc);
603db0d0aed1 slightly modified version of Greg Ewing's extended call syntax patch
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11839
diff changeset
2422 *pfunc = self;
603db0d0aed1 slightly modified version of Greg Ewing's extended call syntax patch
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11839
diff changeset
2423 na++;
603db0d0aed1 slightly modified version of Greg Ewing's extended call syntax patch
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11839
diff changeset
2424 n++;
15948
3bc2440427d3 Rich comparisons fall-out:
Guido van Rossum <guido@python.org>
parents: 15899
diff changeset
2425 } else
15711
2481b5fe86d6 Revised implementation of CALL_FUNCTION and friends.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15364
diff changeset
2426 Py_INCREF(func);
32359
e5bc947c44ca Performance tweak: allow stack_pointer and oparg to be register variables.
Armin Rigo <arigo@tunes.org>
parents: 32301
diff changeset
2427 sp = stack_pointer;
34442
683719e04218 Change the name of the macro used by --with-tsc builds to the less
Michael W. Hudson <mwh@python.net>
parents: 34371
diff changeset
2428 READ_TIMESTAMP(intr0);
32359
e5bc947c44ca Performance tweak: allow stack_pointer and oparg to be register variables.
Armin Rigo <arigo@tunes.org>
parents: 32301
diff changeset
2429 x = ext_do_call(func, &sp, flags, na, nk);
34442
683719e04218 Change the name of the macro used by --with-tsc builds to the less
Michael W. Hudson <mwh@python.net>
parents: 34371
diff changeset
2430 READ_TIMESTAMP(intr1);
32359
e5bc947c44ca Performance tweak: allow stack_pointer and oparg to be register variables.
Armin Rigo <arigo@tunes.org>
parents: 32301
diff changeset
2431 stack_pointer = sp;
15711
2481b5fe86d6 Revised implementation of CALL_FUNCTION and friends.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15364
diff changeset
2432 Py_DECREF(func);
2481b5fe86d6 Revised implementation of CALL_FUNCTION and friends.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15364
diff changeset
2433
2481b5fe86d6 Revised implementation of CALL_FUNCTION and friends.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15364
diff changeset
2434 while (stack_pointer > pfunc) {
12082
603db0d0aed1 slightly modified version of Greg Ewing's extended call syntax patch
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11839
diff changeset
2435 w = POP();
15711
2481b5fe86d6 Revised implementation of CALL_FUNCTION and friends.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15364
diff changeset
2436 Py_DECREF(w);
12082
603db0d0aed1 slightly modified version of Greg Ewing's extended call syntax patch
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11839
diff changeset
2437 }
603db0d0aed1 slightly modified version of Greg Ewing's extended call syntax patch
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11839
diff changeset
2438 PUSH(x);
15948
3bc2440427d3 Rich comparisons fall-out:
Guido van Rossum <guido@python.org>
parents: 15899
diff changeset
2439 if (x != NULL)
15711
2481b5fe86d6 Revised implementation of CALL_FUNCTION and friends.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15364
diff changeset
2440 continue;
12082
603db0d0aed1 slightly modified version of Greg Ewing's extended call syntax patch
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11839
diff changeset
2441 break;
2813
999b5bdc18ce 3rd arg for raise; INCOMPLETE keyword parameter passing (currently f(kw=value) is seen as f('kw', value))
Guido van Rossum <guido@python.org>
parents: 2612
diff changeset
2442 }
15948
3bc2440427d3 Rich comparisons fall-out:
Guido van Rossum <guido@python.org>
parents: 15899
diff changeset
2443
2844
0261bf5b3819 keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents: 2813
diff changeset
2444 case MAKE_FUNCTION:
0261bf5b3819 keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents: 2813
diff changeset
2445 v = POP(); /* code object */
5368
f2132d1f66a6 Quickly renamed.
Guido van Rossum <guido@python.org>
parents: 5177
diff changeset
2446 x = PyFunction_New(v, f->f_globals);
f2132d1f66a6 Quickly renamed.
Guido van Rossum <guido@python.org>
parents: 5177
diff changeset
2447 Py_DECREF(v);
2844
0261bf5b3819 keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents: 2813
diff changeset
2448 /* XXX Maybe this should be a separate opcode? */
0261bf5b3819 keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents: 2813
diff changeset
2449 if (x != NULL && oparg > 0) {
5368
f2132d1f66a6 Quickly renamed.
Guido van Rossum <guido@python.org>
parents: 5177
diff changeset
2450 v = PyTuple_New(oparg);
2844
0261bf5b3819 keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents: 2813
diff changeset
2451 if (v == NULL) {
5368
f2132d1f66a6 Quickly renamed.
Guido van Rossum <guido@python.org>
parents: 5177
diff changeset
2452 Py_DECREF(x);
2844
0261bf5b3819 keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents: 2813
diff changeset
2453 x = NULL;
0261bf5b3819 keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents: 2813
diff changeset
2454 break;
0261bf5b3819 keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents: 2813
diff changeset
2455 }
31894
310dd98ea064 Revert 2.393, elimination of pre-decrementing, which
Raymond Hettinger <python@rcn.com>
parents: 31880
diff changeset
2456 while (--oparg >= 0) {
2844
0261bf5b3819 keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents: 2813
diff changeset
2457 w = POP();
5368
f2132d1f66a6 Quickly renamed.
Guido van Rossum <guido@python.org>
parents: 5177
diff changeset
2458 PyTuple_SET_ITEM(v, oparg, w);
2844
0261bf5b3819 keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents: 2813
diff changeset
2459 }
0261bf5b3819 keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents: 2813
diff changeset
2460 err = PyFunction_SetDefaults(x, v);
5368
f2132d1f66a6 Quickly renamed.
Guido van Rossum <guido@python.org>
parents: 5177
diff changeset
2461 Py_DECREF(v);
2844
0261bf5b3819 keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents: 2813
diff changeset
2462 }
0261bf5b3819 keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents: 2813
diff changeset
2463 PUSH(x);
0261bf5b3819 keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents: 2813
diff changeset
2464 break;
3839
22e29b1747e1 Changes for slice and ellipses
Guido van Rossum <guido@python.org>
parents: 3694
diff changeset
2465
16257
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16017
diff changeset
2466 case MAKE_CLOSURE:
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16017
diff changeset
2467 {
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16017
diff changeset
2468 v = POP(); /* code object */
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16017
diff changeset
2469 x = PyFunction_New(v, f->f_globals);
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16017
diff changeset
2470 Py_DECREF(v);
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35609
diff changeset
2471 if (x != NULL) {
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35609
diff changeset
2472 v = POP();
50111
2f8c317dff17 Merged revisions 67666,67685 via svnmerge from
Jeffrey Yasskin <jyasskin@gmail.com>
parents: 50106
diff changeset
2473 if (PyFunction_SetClosure(x, v) != 0) {
2f8c317dff17 Merged revisions 67666,67685 via svnmerge from
Jeffrey Yasskin <jyasskin@gmail.com>
parents: 50106
diff changeset
2474 /* Can't happen unless bytecode is corrupt. */
2f8c317dff17 Merged revisions 67666,67685 via svnmerge from
Jeffrey Yasskin <jyasskin@gmail.com>
parents: 50106
diff changeset
2475 why = WHY_EXCEPTION;
2f8c317dff17 Merged revisions 67666,67685 via svnmerge from
Jeffrey Yasskin <jyasskin@gmail.com>
parents: 50106
diff changeset
2476 }
16257
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16017
diff changeset
2477 Py_DECREF(v);
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16017
diff changeset
2478 }
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16017
diff changeset
2479 if (x != NULL && oparg > 0) {
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16017
diff changeset
2480 v = PyTuple_New(oparg);
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16017
diff changeset
2481 if (v == NULL) {
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16017
diff changeset
2482 Py_DECREF(x);
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16017
diff changeset
2483 x = NULL;
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16017
diff changeset
2484 break;
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16017
diff changeset
2485 }
31894
310dd98ea064 Revert 2.393, elimination of pre-decrementing, which
Raymond Hettinger <python@rcn.com>
parents: 31880
diff changeset
2486 while (--oparg >= 0) {
16257
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16017
diff changeset
2487 w = POP();
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16017
diff changeset
2488 PyTuple_SET_ITEM(v, oparg, w);
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16017
diff changeset
2489 }
50111
2f8c317dff17 Merged revisions 67666,67685 via svnmerge from
Jeffrey Yasskin <jyasskin@gmail.com>
parents: 50106
diff changeset
2490 if (PyFunction_SetDefaults(x, v) != 0) {
2f8c317dff17 Merged revisions 67666,67685 via svnmerge from
Jeffrey Yasskin <jyasskin@gmail.com>
parents: 50106
diff changeset
2491 /* Can't happen unless
2f8c317dff17 Merged revisions 67666,67685 via svnmerge from
Jeffrey Yasskin <jyasskin@gmail.com>
parents: 50106
diff changeset
2492 PyFunction_SetDefaults changes. */
2f8c317dff17 Merged revisions 67666,67685 via svnmerge from
Jeffrey Yasskin <jyasskin@gmail.com>
parents: 50106
diff changeset
2493 why = WHY_EXCEPTION;
2f8c317dff17 Merged revisions 67666,67685 via svnmerge from
Jeffrey Yasskin <jyasskin@gmail.com>
parents: 50106
diff changeset
2494 }
16257
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16017
diff changeset
2495 Py_DECREF(v);
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16017
diff changeset
2496 }
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16017
diff changeset
2497 PUSH(x);
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16017
diff changeset
2498 break;
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16017
diff changeset
2499 }
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16017
diff changeset
2500
3839
22e29b1747e1 Changes for slice and ellipses
Guido van Rossum <guido@python.org>
parents: 3694
diff changeset
2501 case BUILD_SLICE:
22e29b1747e1 Changes for slice and ellipses
Guido van Rossum <guido@python.org>
parents: 3694
diff changeset
2502 if (oparg == 3)
22e29b1747e1 Changes for slice and ellipses
Guido van Rossum <guido@python.org>
parents: 3694
diff changeset
2503 w = POP();
22e29b1747e1 Changes for slice and ellipses
Guido van Rossum <guido@python.org>
parents: 3694
diff changeset
2504 else
22e29b1747e1 Changes for slice and ellipses
Guido van Rossum <guido@python.org>
parents: 3694
diff changeset
2505 w = NULL;
22e29b1747e1 Changes for slice and ellipses
Guido van Rossum <guido@python.org>
parents: 3694
diff changeset
2506 v = POP();
27186
04aa86d49d93 SF patch #664320: Replace push/pop clusters in ceval.c
Raymond Hettinger <python@rcn.com>
parents: 26141
diff changeset
2507 u = TOP();
5018
001a5042b181 Cleanup:
Guido van Rossum <guido@python.org>
parents: 5014
diff changeset
2508 x = PySlice_New(u, v, w);
5368
f2132d1f66a6 Quickly renamed.
Guido van Rossum <guido@python.org>
parents: 5177
diff changeset
2509 Py_DECREF(u);
f2132d1f66a6 Quickly renamed.
Guido van Rossum <guido@python.org>
parents: 5177
diff changeset
2510 Py_DECREF(v);
f2132d1f66a6 Quickly renamed.
Guido van Rossum <guido@python.org>
parents: 5177
diff changeset
2511 Py_XDECREF(w);
27186
04aa86d49d93 SF patch #664320: Replace push/pop clusters in ceval.c
Raymond Hettinger <python@rcn.com>
parents: 26141
diff changeset
2512 SET_TOP(x);
5002
ae3b46a73765 Add "if (x != NULL) continue;" (or similar for err==0) before the
Guido van Rossum <guido@python.org>
parents: 4992
diff changeset
2513 if (x != NULL) continue;
3839
22e29b1747e1 Changes for slice and ellipses
Guido van Rossum <guido@python.org>
parents: 3694
diff changeset
2514 break;
22e29b1747e1 Changes for slice and ellipses
Guido van Rossum <guido@python.org>
parents: 3694
diff changeset
2515
14147
21ec69a56228 Charles G. Waldman <cgw@fnal.gov>:
Fred Drake <fdrake@acm.org>
parents: 14100
diff changeset
2516 case EXTENDED_ARG:
21ec69a56228 Charles G. Waldman <cgw@fnal.gov>:
Fred Drake <fdrake@acm.org>
parents: 14100
diff changeset
2517 opcode = NEXTOP();
31894
310dd98ea064 Revert 2.393, elimination of pre-decrementing, which
Raymond Hettinger <python@rcn.com>
parents: 31880
diff changeset
2518 oparg = oparg<<16 | NEXTARG();
14147
21ec69a56228 Charles G. Waldman <cgw@fnal.gov>:
Fred Drake <fdrake@acm.org>
parents: 14100
diff changeset
2519 goto dispatch_opcode;
3839
22e29b1747e1 Changes for slice and ellipses
Guido van Rossum <guido@python.org>
parents: 3694
diff changeset
2520
173
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
2521 default:
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
2522 fprintf(stderr,
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
2523 "XXX lineno: %d, opcode: %d\n",
24844
cf5928fab108 This is my patch
Michael W. Hudson <mwh@python.net>
parents: 24718
diff changeset
2524 PyCode_Addr2Line(f->f_code, f->f_lasti),
cf5928fab108 This is my patch
Michael W. Hudson <mwh@python.net>
parents: 24718
diff changeset
2525 opcode);
5368
f2132d1f66a6 Quickly renamed.
Guido van Rossum <guido@python.org>
parents: 5177
diff changeset
2526 PyErr_SetString(PyExc_SystemError, "unknown opcode");
173
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
2527 why = WHY_EXCEPTION;
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
2528 break;
944
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 926
diff changeset
2529
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 926
diff changeset
2530 #ifdef CASE_TOO_BIG
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 926
diff changeset
2531 }
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 926
diff changeset
2532 #endif
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 926
diff changeset
2533
173
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
2534 } /* switch */
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
2535
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
2536 on_error:
15948
3bc2440427d3 Rich comparisons fall-out:
Guido van Rossum <guido@python.org>
parents: 15899
diff changeset
2537
34442
683719e04218 Change the name of the macro used by --with-tsc builds to the less
Michael W. Hudson <mwh@python.net>
parents: 34371
diff changeset
2538 READ_TIMESTAMP(inst1);
32301
41c59d80bbc5 Patch #510695: Add TSC profiling for the VM.
Martin v. Löwis <martin@v.loewis.de>
parents: 32247
diff changeset
2539
173
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
2540 /* Quickly continue if no error occurred */
15948
3bc2440427d3 Rich comparisons fall-out:
Guido van Rossum <guido@python.org>
parents: 15899
diff changeset
2541
173
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
2542 if (why == WHY_NOT) {
2844
0261bf5b3819 keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents: 2813
diff changeset
2543 if (err == 0 && x != NULL) {
0261bf5b3819 keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents: 2813
diff changeset
2544 #ifdef CHECKEXC
10363
4daab7a9f566 Always test for an error return (usually NULL or -1) without setting
Guido van Rossum <guido@python.org>
parents: 9679
diff changeset
2545 /* This check is expensive! */
5368
f2132d1f66a6 Quickly renamed.
Guido van Rossum <guido@python.org>
parents: 5177
diff changeset
2546 if (PyErr_Occurred())
2844
0261bf5b3819 keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents: 2813
diff changeset
2547 fprintf(stderr,
0261bf5b3819 keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents: 2813
diff changeset
2548 "XXX undetected error\n");
32301
41c59d80bbc5 Patch #510695: Add TSC profiling for the VM.
Martin v. Löwis <martin@v.loewis.de>
parents: 32247
diff changeset
2549 else {
41c59d80bbc5 Patch #510695: Add TSC profiling for the VM.
Martin v. Löwis <martin@v.loewis.de>
parents: 32247
diff changeset
2550 #endif
34442
683719e04218 Change the name of the macro used by --with-tsc builds to the less
Michael W. Hudson <mwh@python.net>
parents: 34371
diff changeset
2551 READ_TIMESTAMP(loop1);
2844
0261bf5b3819 keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents: 2813
diff changeset
2552 continue; /* Normal, fast path */
32301
41c59d80bbc5 Patch #510695: Add TSC profiling for the VM.
Martin v. Löwis <martin@v.loewis.de>
parents: 32247
diff changeset
2553 #ifdef CHECKEXC
41c59d80bbc5 Patch #510695: Add TSC profiling for the VM.
Martin v. Löwis <martin@v.loewis.de>
parents: 32247
diff changeset
2554 }
41c59d80bbc5 Patch #510695: Add TSC profiling for the VM.
Martin v. Löwis <martin@v.loewis.de>
parents: 32247
diff changeset
2555 #endif
2844
0261bf5b3819 keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents: 2813
diff changeset
2556 }
173
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
2557 why = WHY_EXCEPTION;
5368
f2132d1f66a6 Quickly renamed.
Guido van Rossum <guido@python.org>
parents: 5177
diff changeset
2558 x = Py_None;
173
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
2559 err = 0;
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
2560 }
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
2561
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
2562 /* Double-check exception status */
15948
3bc2440427d3 Rich comparisons fall-out:
Guido van Rossum <guido@python.org>
parents: 15899
diff changeset
2563
31900
0265bf9912ea Some (but not all) of the why code bitfield tests ran faster as
Raymond Hettinger <python@rcn.com>
parents: 31894
diff changeset
2564 if (why == WHY_EXCEPTION || why == WHY_RERAISE) {
5368
f2132d1f66a6 Quickly renamed.
Guido van Rossum <guido@python.org>
parents: 5177
diff changeset
2565 if (!PyErr_Occurred()) {
5405
b7871ca930ad Massive changes for separate thread state management.
Guido van Rossum <guido@python.org>
parents: 5368
diff changeset
2566 PyErr_SetString(PyExc_SystemError,
10363
4daab7a9f566 Always test for an error return (usually NULL or -1) without setting
Guido van Rossum <guido@python.org>
parents: 9679
diff changeset
2567 "error return without exception set");
173
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
2568 why = WHY_EXCEPTION;
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
2569 }
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
2570 }
10363
4daab7a9f566 Always test for an error return (usually NULL or -1) without setting
Guido van Rossum <guido@python.org>
parents: 9679
diff changeset
2571 #ifdef CHECKEXC
173
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
2572 else {
10363
4daab7a9f566 Always test for an error return (usually NULL or -1) without setting
Guido van Rossum <guido@python.org>
parents: 9679
diff changeset
2573 /* This check is expensive! */
5368
f2132d1f66a6 Quickly renamed.
Guido van Rossum <guido@python.org>
parents: 5177
diff changeset
2574 if (PyErr_Occurred()) {
45011
a3d5700b1d5a Reduce buffer size since we do not need 1k
Neal Norwitz <nnorwitz@gmail.com>
parents: 44894
diff changeset
2575 char buf[128];
30861
c89fd7eaf875 Make undetected error on stack unwind a fatal error.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 30801
diff changeset
2576 sprintf(buf, "Stack unwind with exception "
c89fd7eaf875 Make undetected error on stack unwind a fatal error.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 30801
diff changeset
2577 "set and why=%d", why);
c89fd7eaf875 Make undetected error on stack unwind a fatal error.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 30801
diff changeset
2578 Py_FatalError(buf);
2844
0261bf5b3819 keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents: 2813
diff changeset
2579 }
173
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
2580 }
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
2581 #endif
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
2582
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
2583 /* Log traceback info if this is a real exception */
15948
3bc2440427d3 Rich comparisons fall-out:
Guido van Rossum <guido@python.org>
parents: 15899
diff changeset
2584
173
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
2585 if (why == WHY_EXCEPTION) {
5368
f2132d1f66a6 Quickly renamed.
Guido van Rossum <guido@python.org>
parents: 5177
diff changeset
2586 PyTraceBack_Here(f);
567
8c179d023583 User trace feature.
Guido van Rossum <guido@python.org>
parents: 565
diff changeset
2587
20247
a4d328d50897 Rationalize the events passed to the profiler (no changes for the tracer).
Fred Drake <fdrake@acm.org>
parents: 20183
diff changeset
2588 if (tstate->c_tracefunc != NULL)
a4d328d50897 Rationalize the events passed to the profiler (no changes for the tracer).
Fred Drake <fdrake@acm.org>
parents: 20183
diff changeset
2589 call_exc_trace(tstate->c_tracefunc,
a4d328d50897 Rationalize the events passed to the profiler (no changes for the tracer).
Fred Drake <fdrake@acm.org>
parents: 20183
diff changeset
2590 tstate->c_traceobj, f);
9513
350f24180dcb Whoops! One the "redundant" initializations removed by Vladimir in
Guido van Rossum <guido@python.org>
parents: 9490
diff changeset
2591 }
15948
3bc2440427d3 Rich comparisons fall-out:
Guido van Rossum <guido@python.org>
parents: 15899
diff changeset
2592
173
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
2593 /* For the rest, treat WHY_RERAISE as WHY_EXCEPTION */
15948
3bc2440427d3 Rich comparisons fall-out:
Guido van Rossum <guido@python.org>
parents: 15899
diff changeset
2594
173
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
2595 if (why == WHY_RERAISE)
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
2596 why = WHY_EXCEPTION;
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
2597
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
2598 /* Unwind stacks if a (pseudo) exception occurred */
15948
3bc2440427d3 Rich comparisons fall-out:
Guido van Rossum <guido@python.org>
parents: 15899
diff changeset
2599
31462
d5c047807c69 SF patch #864059: optimize eval_frame
Raymond Hettinger <python@rcn.com>
parents: 30979
diff changeset
2600 fast_block_end:
31872
9f5fe6b23e59 Since the fast_yield branch target was introduced, it appears that most
Tim Peters <tim.peters@gmail.com>
parents: 31797
diff changeset
2601 while (why != WHY_NOT && f->f_iblock > 0) {
5368
f2132d1f66a6 Quickly renamed.
Guido van Rossum <guido@python.org>
parents: 5177
diff changeset
2602 PyTryBlock *b = PyFrame_BlockPop(f);
16398
80c0b280a4f9 Allow 'continue' inside 'try' clause
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16394
diff changeset
2603
31872
9f5fe6b23e59 Since the fast_yield branch target was introduced, it appears that most
Tim Peters <tim.peters@gmail.com>
parents: 31797
diff changeset
2604 assert(why != WHY_YIELD);
16398
80c0b280a4f9 Allow 'continue' inside 'try' clause
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16394
diff changeset
2605 if (b->b_type == SETUP_LOOP && why == WHY_CONTINUE) {
80c0b280a4f9 Allow 'continue' inside 'try' clause
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16394
diff changeset
2606 /* For a continue inside a try block,
80c0b280a4f9 Allow 'continue' inside 'try' clause
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16394
diff changeset
2607 don't pop the block for the loop. */
20064
ef3034a60a3e Don't swap the arguments to PyFrame_BlockSetup when recreating the recently
Thomas Wouters <thomas@python.org>
parents: 20012
diff changeset
2608 PyFrame_BlockSetup(f, b->b_type, b->b_handler,
ef3034a60a3e Don't swap the arguments to PyFrame_BlockSetup when recreating the recently
Thomas Wouters <thomas@python.org>
parents: 20012
diff changeset
2609 b->b_level);
16398
80c0b280a4f9 Allow 'continue' inside 'try' clause
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16394
diff changeset
2610 why = WHY_NOT;
80c0b280a4f9 Allow 'continue' inside 'try' clause
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16394
diff changeset
2611 JUMPTO(PyInt_AS_LONG(retval));
80c0b280a4f9 Allow 'continue' inside 'try' clause
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16394
diff changeset
2612 Py_DECREF(retval);
80c0b280a4f9 Allow 'continue' inside 'try' clause
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16394
diff changeset
2613 break;
80c0b280a4f9 Allow 'continue' inside 'try' clause
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16394
diff changeset
2614 }
80c0b280a4f9 Allow 'continue' inside 'try' clause
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16394
diff changeset
2615
173
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
2616 while (STACK_LEVEL() > b->b_level) {
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
2617 v = POP();
5368
f2132d1f66a6 Quickly renamed.
Guido van Rossum <guido@python.org>
parents: 5177
diff changeset
2618 Py_XDECREF(v);
173
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
2619 }
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
2620 if (b->b_type == SETUP_LOOP && why == WHY_BREAK) {
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
2621 why = WHY_NOT;
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
2622 JUMPTO(b->b_handler);
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
2623 break;
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
2624 }
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
2625 if (b->b_type == SETUP_FINALLY ||
4594
41857075d45b Change the Don Beaudry hack into the Don B + Jim F hack; now, if *any*
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
2626 (b->b_type == SETUP_EXCEPT &&
41857075d45b Change the Don Beaudry hack into the Don B + Jim F hack; now, if *any*
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
2627 why == WHY_EXCEPTION)) {
173
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
2628 if (why == WHY_EXCEPTION) {
5368
f2132d1f66a6 Quickly renamed.
Guido van Rossum <guido@python.org>
parents: 5177
diff changeset
2629 PyObject *exc, *val, *tb;
f2132d1f66a6 Quickly renamed.
Guido van Rossum <guido@python.org>
parents: 5177
diff changeset
2630 PyErr_Fetch(&exc, &val, &tb);
173
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
2631 if (val == NULL) {
5368
f2132d1f66a6 Quickly renamed.
Guido van Rossum <guido@python.org>
parents: 5177
diff changeset
2632 val = Py_None;
f2132d1f66a6 Quickly renamed.
Guido van Rossum <guido@python.org>
parents: 5177
diff changeset
2633 Py_INCREF(val);
173
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
2634 }
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
2635 /* Make the raw exception data
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
2636 available to the handler,
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
2637 so a program can emulate the
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
2638 Python main loop. Don't do
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
2639 this for 'finally'. */
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
2640 if (b->b_type == SETUP_EXCEPT) {
6185
32aacd753f34 eval_code2(), set_exc_info(): Call PyErr_NormalizeException() the
Barry Warsaw <barry@python.org>
parents: 6160
diff changeset
2641 PyErr_NormalizeException(
32aacd753f34 eval_code2(), set_exc_info(): Call PyErr_NormalizeException() the
Barry Warsaw <barry@python.org>
parents: 6160
diff changeset
2642 &exc, &val, &tb);
5405
b7871ca930ad Massive changes for separate thread state management.
Guido van Rossum <guido@python.org>
parents: 5368
diff changeset
2643 set_exc_info(tstate,
b7871ca930ad Massive changes for separate thread state management.
Guido van Rossum <guido@python.org>
parents: 5368
diff changeset
2644 exc, val, tb);
173
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
2645 }
20114
233f9606ba8e Prevent a NULL pointer from being pushed onto the stack.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 20064
diff changeset
2646 if (tb == NULL) {
233f9606ba8e Prevent a NULL pointer from being pushed onto the stack.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 20064
diff changeset
2647 Py_INCREF(Py_None);
233f9606ba8e Prevent a NULL pointer from being pushed onto the stack.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 20064
diff changeset
2648 PUSH(Py_None);
233f9606ba8e Prevent a NULL pointer from being pushed onto the stack.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 20064
diff changeset
2649 } else
233f9606ba8e Prevent a NULL pointer from being pushed onto the stack.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 20064
diff changeset
2650 PUSH(tb);
173
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
2651 PUSH(val);
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
2652 PUSH(exc);
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
2653 }
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
2654 else {
31874
c88d4610f283 Coded WHY flags as bitfields (taking inspiration from tp_flags).
Raymond Hettinger <python@rcn.com>
parents: 31872
diff changeset
2655 if (why & (WHY_RETURN | WHY_CONTINUE))
173
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
2656 PUSH(retval);
5368
f2132d1f66a6 Quickly renamed.
Guido van Rossum <guido@python.org>
parents: 5177
diff changeset
2657 v = PyInt_FromLong((long)why);
173
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
2658 PUSH(v);
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
2659 }
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
2660 why = WHY_NOT;
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
2661 JUMPTO(b->b_handler);
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
2662 break;
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
2663 }
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
2664 } /* unwind stack */
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
2665
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
2666 /* End the loop if we still have an error (or return) */
15948
3bc2440427d3 Rich comparisons fall-out:
Guido van Rossum <guido@python.org>
parents: 15899
diff changeset
2667
173
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
2668 if (why != WHY_NOT)
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
2669 break;
34442
683719e04218 Change the name of the macro used by --with-tsc builds to the less
Michael W. Hudson <mwh@python.net>
parents: 34371
diff changeset
2670 READ_TIMESTAMP(loop1);
15948
3bc2440427d3 Rich comparisons fall-out:
Guido van Rossum <guido@python.org>
parents: 15899
diff changeset
2671
173
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
2672 } /* main loop */
15948
3bc2440427d3 Rich comparisons fall-out:
Guido van Rossum <guido@python.org>
parents: 15899
diff changeset
2673
31872
9f5fe6b23e59 Since the fast_yield branch target was introduced, it appears that most
Tim Peters <tim.peters@gmail.com>
parents: 31797
diff changeset
2674 assert(why != WHY_YIELD);
9f5fe6b23e59 Since the fast_yield branch target was introduced, it appears that most
Tim Peters <tim.peters@gmail.com>
parents: 31797
diff changeset
2675 /* Pop remaining stack entries. */
9f5fe6b23e59 Since the fast_yield branch target was introduced, it appears that most
Tim Peters <tim.peters@gmail.com>
parents: 31797
diff changeset
2676 while (!EMPTY()) {
9f5fe6b23e59 Since the fast_yield branch target was introduced, it appears that most
Tim Peters <tim.peters@gmail.com>
parents: 31797
diff changeset
2677 v = POP();
9f5fe6b23e59 Since the fast_yield branch target was introduced, it appears that most
Tim Peters <tim.peters@gmail.com>
parents: 31797
diff changeset
2678 Py_XDECREF(v);
21270
97709fd8fda0 Fix for SF bug #489671 (Neil Norwitz): memory leak in test_richcmp.
Guido van Rossum <guido@python.org>
parents: 21252
diff changeset
2679 }
97709fd8fda0 Fix for SF bug #489671 (Neil Norwitz): memory leak in test_richcmp.
Guido van Rossum <guido@python.org>
parents: 21252
diff changeset
2680
31872
9f5fe6b23e59 Since the fast_yield branch target was introduced, it appears that most
Tim Peters <tim.peters@gmail.com>
parents: 31797
diff changeset
2681 if (why != WHY_RETURN)
567
8c179d023583 User trace feature.
Guido van Rossum <guido@python.org>
parents: 565
diff changeset
2682 retval = NULL;
15948
3bc2440427d3 Rich comparisons fall-out:
Guido van Rossum <guido@python.org>
parents: 15899
diff changeset
2683
31462
d5c047807c69 SF patch #864059: optimize eval_frame
Raymond Hettinger <python@rcn.com>
parents: 30979
diff changeset
2684 fast_yield:
18374
3b295ce2705f This change adjusts the profiling/tracing support so that the common
Fred Drake <fdrake@acm.org>
parents: 18326
diff changeset
2685 if (tstate->use_tracing) {
35345
700f08369092 Port from the Python 2.4 branch, patches for SF bug # 900092,
Barry Warsaw <barry@python.org>
parents: 35298
diff changeset
2686 if (tstate->c_tracefunc) {
700f08369092 Port from the Python 2.4 branch, patches for SF bug # 900092,
Barry Warsaw <barry@python.org>
parents: 35298
diff changeset
2687 if (why == WHY_RETURN || why == WHY_YIELD) {
700f08369092 Port from the Python 2.4 branch, patches for SF bug # 900092,
Barry Warsaw <barry@python.org>
parents: 35298
diff changeset
2688 if (call_trace(tstate->c_tracefunc,
700f08369092 Port from the Python 2.4 branch, patches for SF bug # 900092,
Barry Warsaw <barry@python.org>
parents: 35298
diff changeset
2689 tstate->c_traceobj, f,
700f08369092 Port from the Python 2.4 branch, patches for SF bug # 900092,
Barry Warsaw <barry@python.org>
parents: 35298
diff changeset
2690 PyTrace_RETURN, retval)) {
700f08369092 Port from the Python 2.4 branch, patches for SF bug # 900092,
Barry Warsaw <barry@python.org>
parents: 35298
diff changeset
2691 Py_XDECREF(retval);
700f08369092 Port from the Python 2.4 branch, patches for SF bug # 900092,
Barry Warsaw <barry@python.org>
parents: 35298
diff changeset
2692 retval = NULL;
700f08369092 Port from the Python 2.4 branch, patches for SF bug # 900092,
Barry Warsaw <barry@python.org>
parents: 35298
diff changeset
2693 why = WHY_EXCEPTION;
700f08369092 Port from the Python 2.4 branch, patches for SF bug # 900092,
Barry Warsaw <barry@python.org>
parents: 35298
diff changeset
2694 }
700f08369092 Port from the Python 2.4 branch, patches for SF bug # 900092,
Barry Warsaw <barry@python.org>
parents: 35298
diff changeset
2695 }
700f08369092 Port from the Python 2.4 branch, patches for SF bug # 900092,
Barry Warsaw <barry@python.org>
parents: 35298
diff changeset
2696 else if (why == WHY_EXCEPTION) {
700f08369092 Port from the Python 2.4 branch, patches for SF bug # 900092,
Barry Warsaw <barry@python.org>
parents: 35298
diff changeset
2697 call_trace_protected(tstate->c_tracefunc,
700f08369092 Port from the Python 2.4 branch, patches for SF bug # 900092,
Barry Warsaw <barry@python.org>
parents: 35298
diff changeset
2698 tstate->c_traceobj, f,
35609
23dda92de993 clean-up tracing of C functions. In particular, don't call the trace func
Armin Rigo <arigo@tunes.org>
parents: 35345
diff changeset
2699 PyTrace_RETURN, NULL);
567
8c179d023583 User trace feature.
Guido van Rossum <guido@python.org>
parents: 565
diff changeset
2700 }
8c179d023583 User trace feature.
Guido van Rossum <guido@python.org>
parents: 565
diff changeset
2701 }
20247
a4d328d50897 Rationalize the events passed to the profiler (no changes for the tracer).
Fred Drake <fdrake@acm.org>
parents: 20183
diff changeset
2702 if (tstate->c_profilefunc) {
20257
e3f63a95455f Fix bug in profiler modifications detected only in debug builds.
Fred Drake <fdrake@acm.org>
parents: 20247
diff changeset
2703 if (why == WHY_EXCEPTION)
e3f63a95455f Fix bug in profiler modifications detected only in debug builds.
Fred Drake <fdrake@acm.org>
parents: 20247
diff changeset
2704 call_trace_protected(tstate->c_profilefunc,
e3f63a95455f Fix bug in profiler modifications detected only in debug builds.
Fred Drake <fdrake@acm.org>
parents: 20247
diff changeset
2705 tstate->c_profileobj, f,
35609
23dda92de993 clean-up tracing of C functions. In particular, don't call the trace func
Armin Rigo <arigo@tunes.org>
parents: 35345
diff changeset
2706 PyTrace_RETURN, NULL);
20257
e3f63a95455f Fix bug in profiler modifications detected only in debug builds.
Fred Drake <fdrake@acm.org>
parents: 20247
diff changeset
2707 else if (call_trace(tstate->c_profilefunc,
e3f63a95455f Fix bug in profiler modifications detected only in debug builds.
Fred Drake <fdrake@acm.org>
parents: 20247
diff changeset
2708 tstate->c_profileobj, f,
e3f63a95455f Fix bug in profiler modifications detected only in debug builds.
Fred Drake <fdrake@acm.org>
parents: 20247
diff changeset
2709 PyTrace_RETURN, retval)) {
18374
3b295ce2705f This change adjusts the profiling/tracing support so that the common
Fred Drake <fdrake@acm.org>
parents: 18326
diff changeset
2710 Py_XDECREF(retval);
3b295ce2705f This change adjusts the profiling/tracing support so that the common
Fred Drake <fdrake@acm.org>
parents: 18326
diff changeset
2711 retval = NULL;
3b295ce2705f This change adjusts the profiling/tracing support so that the common
Fred Drake <fdrake@acm.org>
parents: 18326
diff changeset
2712 why = WHY_EXCEPTION;
3b295ce2705f This change adjusts the profiling/tracing support so that the common
Fred Drake <fdrake@acm.org>
parents: 18326
diff changeset
2713 }
708
8bcb50f436fa New trace implementation; and profile (in a similat vein).
Guido van Rossum <guido@python.org>
parents: 688
diff changeset
2714 }
567
8c179d023583 User trace feature.
Guido van Rossum <guido@python.org>
parents: 565
diff changeset
2715 }
5023
75c1ee882a4a Kill all local variables on function return. This closes a gigantic
Guido van Rossum <guido@python.org>
parents: 5021
diff changeset
2716
38418
708eaf0896bf Patch 1145039.
Tim Peters <tim.peters@gmail.com>
parents: 38352
diff changeset
2717 if (tstate->frame->f_exc_type != NULL)
708eaf0896bf Patch 1145039.
Tim Peters <tim.peters@gmail.com>
parents: 38352
diff changeset
2718 reset_exc_info(tstate);
708eaf0896bf Patch 1145039.
Tim Peters <tim.peters@gmail.com>
parents: 38352
diff changeset
2719 else {
708eaf0896bf Patch 1145039.
Tim Peters <tim.peters@gmail.com>
parents: 38352
diff changeset
2720 assert(tstate->frame->f_exc_value == NULL);
708eaf0896bf Patch 1145039.
Tim Peters <tim.peters@gmail.com>
parents: 38352
diff changeset
2721 assert(tstate->frame->f_exc_traceback == NULL);
708eaf0896bf Patch 1145039.
Tim Peters <tim.peters@gmail.com>
parents: 38352
diff changeset
2722 }
5405
b7871ca930ad Massive changes for separate thread state management.
Guido van Rossum <guido@python.org>
parents: 5368
diff changeset
2723
18148
7bc473b2c654 Merging the gen-branch into the main line, at Guido's direction. Yay!
Tim Peters <tim.peters@gmail.com>
parents: 18136
diff changeset
2724 /* pop frame */
43408
81478465fef3 Whitespace cleanup.
Thomas Wouters <thomas@python.org>
parents: 42333
diff changeset
2725 exit_eval_frame:
30801
c42c40034536 Deleting cyclic object comparison.
Armin Rigo <arigo@tunes.org>
parents: 30782
diff changeset
2726 Py_LeaveRecursiveCall();
5405
b7871ca930ad Massive changes for separate thread state management.
Guido van Rossum <guido@python.org>
parents: 5368
diff changeset
2727 tstate->frame = f->f_back;
15948
3bc2440427d3 Rich comparisons fall-out:
Guido van Rossum <guido@python.org>
parents: 15899
diff changeset
2728
567
8c179d023583 User trace feature.
Guido van Rossum <guido@python.org>
parents: 565
diff changeset
2729 return retval;
173
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
2730 }
4656452436e1 Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
parents: 159
diff changeset
2731
36695
b6d2f6fd3e11 PEP 343 -- the with-statement.
Guido van Rossum <guido@python.org>
parents: 36580
diff changeset
2732 /* This is gonna seem *real weird*, but if you put some other code between
32421
485d2ef43419 Patch #966493: Cleanup generator/eval_frame exposure.
Martin v. Löwis <martin@v.loewis.de>
parents: 32412
diff changeset
2733 PyEval_EvalFrame() and PyEval_EvalCodeEx() you will need to adjust
36695
b6d2f6fd3e11 PEP 343 -- the with-statement.
Guido van Rossum <guido@python.org>
parents: 36580
diff changeset
2734 the test in the if statements in Misc/gdbinit (pystack and pystackv). */
31606
fd2103ae6f29 Add pystack definition to Misc/gdbinit with some explanation of its behavior
Skip Montanaro <skip@pobox.com>
parents: 31514
diff changeset
2735
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18611
diff changeset
2736 PyObject *
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18611
diff changeset
2737 PyEval_EvalCodeEx(PyCodeObject *co, PyObject *globals, PyObject *locals,
18148
7bc473b2c654 Merging the gen-branch into the main line, at Guido's direction. Yay!
Tim Peters <tim.peters@gmail.com>
parents: 18136
diff changeset
2738 PyObject **args, int argcount, PyObject **kws, int kwcount,
7bc473b2c654 Merging the gen-branch into the main line, at Guido's direction. Yay!
Tim Peters <tim.peters@gmail.com>
parents: 18136
diff changeset
2739 PyObject **defs, int defcount, PyObject *closure)
7bc473b2c654 Merging the gen-branch into the main line, at Guido's direction. Yay!
Tim Peters <tim.peters@gmail.com>
parents: 18136
diff changeset
2740 {
7bc473b2c654 Merging the gen-branch into the main line, at Guido's direction. Yay!
Tim Peters <tim.peters@gmail.com>
parents: 18136
diff changeset
2741 register PyFrameObject *f;
7bc473b2c654 Merging the gen-branch into the main line, at Guido's direction. Yay!
Tim Peters <tim.peters@gmail.com>
parents: 18136
diff changeset
2742 register PyObject *retval = NULL;
7bc473b2c654 Merging the gen-branch into the main line, at Guido's direction. Yay!
Tim Peters <tim.peters@gmail.com>
parents: 18136
diff changeset
2743 register PyObject **fastlocals, **freevars;
7bc473b2c654 Merging the gen-branch into the main line, at Guido's direction. Yay!
Tim Peters <tim.peters@gmail.com>
parents: 18136
diff changeset
2744 PyThreadState *tstate = PyThreadState_GET();
7bc473b2c654 Merging the gen-branch into the main line, at Guido's direction. Yay!
Tim Peters <tim.peters@gmail.com>
parents: 18136
diff changeset
2745 PyObject *x, *u;
7bc473b2c654 Merging the gen-branch into the main line, at Guido's direction. Yay!
Tim Peters <tim.peters@gmail.com>
parents: 18136
diff changeset
2746
7bc473b2c654 Merging the gen-branch into the main line, at Guido's direction. Yay!
Tim Peters <tim.peters@gmail.com>
parents: 18136
diff changeset
2747 if (globals == NULL) {
31872
9f5fe6b23e59 Since the fast_yield branch target was introduced, it appears that most
Tim Peters <tim.peters@gmail.com>
parents: 31797
diff changeset
2748 PyErr_SetString(PyExc_SystemError,
19198
3c1c9948ff65 Remove much dead code from ceval.c
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19158
diff changeset
2749 "PyEval_EvalCodeEx: NULL globals");
18148
7bc473b2c654 Merging the gen-branch into the main line, at Guido's direction. Yay!
Tim Peters <tim.peters@gmail.com>
parents: 18136
diff changeset
2750 return NULL;
7bc473b2c654 Merging the gen-branch into the main line, at Guido's direction. Yay!
Tim Peters <tim.peters@gmail.com>
parents: 18136
diff changeset
2751 }
7bc473b2c654 Merging the gen-branch into the main line, at Guido's direction. Yay!
Tim Peters <tim.peters@gmail.com>
parents: 18136
diff changeset
2752
39466
c7ff02c1559f Move/copy assert for tstate != NULL before first use.
Neal Norwitz <nnorwitz@gmail.com>
parents: 39463
diff changeset
2753 assert(tstate != NULL);
27712
16856c9514e0 Small function call optimization and special build option for call stats.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 27295
diff changeset
2754 assert(globals != NULL);
16856c9514e0 Small function call optimization and special build option for call stats.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 27295
diff changeset
2755 f = PyFrame_New(tstate, co, globals, locals);
18148
7bc473b2c654 Merging the gen-branch into the main line, at Guido's direction. Yay!
Tim Peters <tim.peters@gmail.com>
parents: 18136
diff changeset
2756 if (f == NULL)
7bc473b2c654 Merging the gen-branch into the main line, at Guido's direction. Yay!
Tim Peters <tim.peters@gmail.com>
parents: 18136
diff changeset
2757 return NULL;
7bc473b2c654 Merging the gen-branch into the main line, at Guido's direction. Yay!
Tim Peters <tim.peters@gmail.com>
parents: 18136
diff changeset
2758
7bc473b2c654 Merging the gen-branch into the main line, at Guido's direction. Yay!
Tim Peters <tim.peters@gmail.com>
parents: 18136
diff changeset
2759 fastlocals = f->f_localsplus;
38253
4bd299d00e4c Applied patch 1337051 by Neal Norwitz, saving 4 ints on frame objects.
Richard Jones <richard@commonground.com.au>
parents: 38217
diff changeset
2760 freevars = f->f_localsplus + co->co_nlocals;
18148
7bc473b2c654 Merging the gen-branch into the main line, at Guido's direction. Yay!
Tim Peters <tim.peters@gmail.com>
parents: 18136
diff changeset
2761
7bc473b2c654 Merging the gen-branch into the main line, at Guido's direction. Yay!
Tim Peters <tim.peters@gmail.com>
parents: 18136
diff changeset
2762 if (co->co_argcount > 0 ||
7bc473b2c654 Merging the gen-branch into the main line, at Guido's direction. Yay!
Tim Peters <tim.peters@gmail.com>
parents: 18136
diff changeset
2763 co->co_flags & (CO_VARARGS | CO_VARKEYWORDS)) {
7bc473b2c654 Merging the gen-branch into the main line, at Guido's direction. Yay!
Tim Peters <tim.peters@gmail.com>
parents: 18136
diff changeset
2764 int i;
7bc473b2c654 Merging the gen-branch into the main line, at Guido's direction. Yay!
Tim Peters <tim.peters@gmail.com>
parents: 18136
diff changeset
2765 int n = argcount;
7bc473b2c654 Merging the gen-branch into the main line, at Guido's direction. Yay!
Tim Peters <tim.peters@gmail.com>
parents: 18136
diff changeset
2766 PyObject *kwdict = NULL;
7bc473b2c654 Merging the gen-branch into the main line, at Guido's direction. Yay!
Tim Peters <tim.peters@gmail.com>
parents: 18136
diff changeset
2767 if (co->co_flags & CO_VARKEYWORDS) {
7bc473b2c654 Merging the gen-branch into the main line, at Guido's direction. Yay!
Tim Peters <tim.peters@gmail.com>
parents: 18136
diff changeset
2768 kwdict = PyDict_New();
7bc473b2c654 Merging the gen-branch into the main line, at Guido's direction. Yay!
Tim Peters <tim.peters@gmail.com>
parents: 18136
diff changeset
2769 if (kwdict == NULL)
7bc473b2c654 Merging the gen-branch into the main line, at Guido's direction. Yay!
Tim Peters <tim.peters@gmail.com>
parents: 18136
diff changeset
2770 goto fail;
7bc473b2c654 Merging the gen-branch into the main line, at Guido's direction. Yay!
Tim Peters <tim.peters@gmail.com>
parents: 18136
diff changeset
2771 i = co->co_argcount;
7bc473b2c654 Merging the gen-branch into the main line, at Guido's direction. Yay!
Tim Peters <tim.peters@gmail.com>
parents: 18136
diff changeset
2772 if (co->co_flags & CO_VARARGS)
7bc473b2c654 Merging the gen-branch into the main line, at Guido's direction. Yay!
Tim Peters <tim.peters@gmail.com>
parents: 18136
diff changeset
2773 i++;
7bc473b2c654 Merging the gen-branch into the main line, at Guido's direction. Yay!
Tim Peters <tim.peters@gmail.com>
parents: 18136
diff changeset
2774 SETLOCAL(i, kwdict);
7bc473b2c654 Merging the gen-branch into the main line, at Guido's direction. Yay!
Tim Peters <tim.peters@gmail.com>
parents: 18136
diff changeset
2775 }
7bc473b2c654 Merging the gen-branch into the main line, at Guido's direction. Yay!
Tim Peters <tim.peters@gmail.com>
parents: 18136
diff changeset
2776 if (argcount > co->co_argcount) {
7bc473b2c654 Merging the gen-branch into the main line, at Guido's direction. Yay!
Tim Peters <tim.peters@gmail.com>
parents: 18136
diff changeset
2777 if (!(co->co_flags & CO_VARARGS)) {
7bc473b2c654 Merging the gen-branch into the main line, at Guido's direction. Yay!
Tim Peters <tim.peters@gmail.com>
parents: 18136
diff changeset
2778 PyErr_Format(PyExc_TypeError,
7bc473b2c654 Merging the gen-branch into the main line, at Guido's direction. Yay!
Tim Peters <tim.peters@gmail.com>
parents: 18136
diff changeset
2779 "%.200s() takes %s %d "
7bc473b2c654 Merging the gen-branch into the main line, at Guido's direction. Yay!
Tim Peters <tim.peters@gmail.com>
parents: 18136
diff changeset
2780 "%sargument%s (%d given)",
47527
52294af4b663 This reverts r63675 based on the discussion in this thread:
Gregory P. Smith <greg@mad-scientist.com>
parents: 47294
diff changeset
2781 PyString_AsString(co->co_name),
18148
7bc473b2c654 Merging the gen-branch into the main line, at Guido's direction. Yay!
Tim Peters <tim.peters@gmail.com>
parents: 18136
diff changeset
2782 defcount ? "at most" : "exactly",
7bc473b2c654 Merging the gen-branch into the main line, at Guido's direction. Yay!
Tim Peters <tim.peters@gmail.com>
parents: 18136
diff changeset
2783 co->co_argcount,
7bc473b2c654 Merging the gen-branch into the main line, at Guido's direction. Yay!
Tim Peters <tim.peters@gmail.com>
parents: 18136
diff changeset
2784 kwcount ? "non-keyword " : "",
7bc473b2c654 Merging the gen-branch into the main line, at Guido's direction. Yay!
Tim Peters <tim.peters@gmail.com>
parents: 18136
diff changeset
2785 co->co_argcount == 1 ? "" : "s",
7bc473b2c654 Merging the gen-branch into the main line, at Guido's direction. Yay!
Tim Peters <tim.peters@gmail.com>
parents: 18136
diff changeset
2786 argcount);
7bc473b2c654 Merging the gen-branch into the main line, at Guido's direction. Yay!
Tim Peters <tim.peters@gmail.com>
parents: 18136
diff changeset
2787 goto fail;
7bc473b2c654 Merging the gen-branch into the main line, at Guido's direction. Yay!
Tim Peters <tim.peters@gmail.com>
parents: 18136
diff changeset
2788 }
7bc473b2c654 Merging the gen-branch into the main line, at Guido's direction. Yay!
Tim Peters <tim.peters@gmail.com>
parents: 18136
diff changeset
2789 n = co->co_argcount;
7bc473b2c654 Merging the gen-branch into the main line, at Guido's direction. Yay!
Tim Peters <tim.peters@gmail.com>
parents: 18136
diff changeset
2790 }
7bc473b2c654 Merging the gen-branch into the main line, at Guido's direction. Yay!
Tim Peters <tim.peters@gmail.com>
parents: 18136
diff changeset
2791 for (i = 0; i < n; i++) {
7bc473b2c654 Merging the gen-branch into the main line, at Guido's direction. Yay!
Tim Peters <tim.peters@gmail.com>
parents: 18136
diff changeset
2792 x = args[i];
7bc473b2c654 Merging the gen-branch into the main line, at Guido's direction. Yay!
Tim Peters <tim.peters@gmail.com>
parents: 18136
diff changeset
2793 Py_INCREF(x);
7bc473b2c654 Merging the gen-branch into the main line, at Guido's direction. Yay!
Tim Peters <tim.peters@gmail.com>
parents: 18136
diff changeset
2794 SETLOCAL(i, x);
7bc473b2c654 Merging the gen-branch into the main line, at Guido's direction. Yay!
Tim Peters <tim.peters@gmail.com>
parents: 18136
diff changeset
2795 }
7bc473b2c654 Merging the gen-branch into the main line, at Guido's direction. Yay!
Tim Peters <tim.peters@gmail.com>
parents: 18136
diff changeset
2796 if (co->co_flags & CO_VARARGS) {
7bc473b2c654 Merging the gen-branch into the main line, at Guido's direction. Yay!
Tim Peters <tim.peters@gmail.com>
parents: 18136
diff changeset
2797 u = PyTuple_New(argcount - n);
7bc473b2c654 Merging the gen-branch into the main line, at Guido's direction. Yay!
Tim Peters <tim.peters@gmail.com>
parents: 18136
diff changeset
2798 if (u == NULL)
7bc473b2c654 Merging the gen-branch into the main line, at Guido's direction. Yay!
Tim Peters <tim.peters@gmail.com>
parents: 18136
diff changeset
2799 goto fail;
7bc473b2c654 Merging the gen-branch into the main line, at Guido's direction. Yay!
Tim Peters <tim.peters@gmail.com>
parents: 18136
diff changeset
2800 SETLOCAL(co->co_argcount, u);
7bc473b2c654 Merging the gen-branch into the main line, at Guido's direction. Yay!
Tim Peters <tim.peters@gmail.com>
parents: 18136
diff changeset
2801 for (i = n; i < argcount; i++) {
7bc473b2c654 Merging the gen-branch into the main line, at Guido's direction. Yay!
Tim Peters <tim.peters@gmail.com>
parents: 18136
diff changeset
2802 x = args[i];
7bc473b2c654 Merging the gen-branch into the main line, at Guido's direction. Yay!
Tim Peters <tim.peters@gmail.com>
parents: 18136
diff changeset
2803 Py_INCREF(x);
7bc473b2c654 Merging the gen-branch into the main line, at Guido's direction. Yay!
Tim Peters <tim.peters@gmail.com>
parents: 18136
diff changeset
2804 PyTuple_SET_ITEM(u, i-n, x);
7bc473b2c654 Merging the gen-branch into the main line, at Guido's direction. Yay!
Tim Peters <tim.peters@gmail.com>
parents: 18136
diff changeset
2805 }
7bc473b2c654 Merging the gen-branch into the main line, at Guido's direction. Yay!
Tim Peters <tim.peters@gmail.com>
parents: 18136
diff changeset
2806 }
7bc473b2c654 Merging the gen-branch into the main line, at Guido's direction. Yay!
Tim Peters <tim.peters@gmail.com>
parents: 18136
diff changeset
2807 for (i = 0; i < kwcount; i++) {
48077
30485bc17268 Raymond's patch for #1819: speedup function calls with named parameters
Antoine Pitrou <solipsis@pitrou.net>
parents: 47985
diff changeset
2808 PyObject **co_varnames;
18148
7bc473b2c654 Merging the gen-branch into the main line, at Guido's direction. Yay!
Tim Peters <tim.peters@gmail.com>
parents: 18136
diff changeset
2809 PyObject *keyword = kws[2*i];
7bc473b2c654 Merging the gen-branch into the main line, at Guido's direction. Yay!
Tim Peters <tim.peters@gmail.com>
parents: 18136
diff changeset
2810 PyObject *value = kws[2*i + 1];
7bc473b2c654 Merging the gen-branch into the main line, at Guido's direction. Yay!
Tim Peters <tim.peters@gmail.com>
parents: 18136
diff changeset
2811 int j;
47527
52294af4b663 This reverts r63675 based on the discussion in this thread:
Gregory P. Smith <greg@mad-scientist.com>
parents: 47294
diff changeset
2812 if (keyword == NULL || !PyString_Check(keyword)) {
18148
7bc473b2c654 Merging the gen-branch into the main line, at Guido's direction. Yay!
Tim Peters <tim.peters@gmail.com>
parents: 18136
diff changeset
2813 PyErr_Format(PyExc_TypeError,
7bc473b2c654 Merging the gen-branch into the main line, at Guido's direction. Yay!
Tim Peters <tim.peters@gmail.com>
parents: 18136
diff changeset
2814 "%.200s() keywords must be strings",
47527
52294af4b663 This reverts r63675 based on the discussion in this thread:
Gregory P. Smith <greg@mad-scientist.com>
parents: 47294
diff changeset
2815 PyString_AsString(co->co_name));
18148
7bc473b2c654 Merging the gen-branch into the main line, at Guido's direction. Yay!
Tim Peters <tim.peters@gmail.com>
parents: 18136
diff changeset
2816 goto fail;
7bc473b2c654 Merging the gen-branch into the main line, at Guido's direction. Yay!
Tim Peters <tim.peters@gmail.com>
parents: 18136
diff changeset
2817 }
48077
30485bc17268 Raymond's patch for #1819: speedup function calls with named parameters
Antoine Pitrou <solipsis@pitrou.net>
parents: 47985
diff changeset
2818 /* Speed hack: do raw pointer compares. As names are
30485bc17268 Raymond's patch for #1819: speedup function calls with named parameters
Antoine Pitrou <solipsis@pitrou.net>
parents: 47985
diff changeset
2819 normally interned this should almost always hit. */
30485bc17268 Raymond's patch for #1819: speedup function calls with named parameters
Antoine Pitrou <solipsis@pitrou.net>
parents: 47985
diff changeset
2820 co_varnames = PySequence_Fast_ITEMS(co->co_varnames);
18148
7bc473b2c654 Merging the gen-branch into the main line, at Guido's direction. Yay!
Tim Peters <tim.peters@gmail.com>
parents: 18136
diff changeset
2821 for (j = 0; j < co->co_argcount; j++) {
48077
30485bc17268 Raymond's patch for #1819: speedup function calls with named parameters
Antoine Pitrou <solipsis@pitrou.net>
parents: 47985
diff changeset
2822 PyObject *nm = co_varnames[j];
30485bc17268 Raymond's patch for #1819: speedup function calls with named parameters
Antoine Pitrou <solipsis@pitrou.net>
parents: 47985
diff changeset
2823 if (nm == keyword)
30485bc17268 Raymond's patch for #1819: speedup function calls with named parameters
Antoine Pitrou <solipsis@pitrou.net>
parents: 47985
diff changeset
2824 goto kw_found;
30485bc17268 Raymond's patch for #1819: speedup function calls with named parameters
Antoine Pitrou <solipsis@pitrou.net>
parents: 47985
diff changeset
2825 }
30485bc17268 Raymond's patch for #1819: speedup function calls with named parameters
Antoine Pitrou <solipsis@pitrou.net>
parents: 47985
diff changeset
2826 /* Slow fallback, just in case */
30485bc17268 Raymond's patch for #1819: speedup function calls with named parameters
Antoine Pitrou <solipsis@pitrou.net>
parents: 47985
diff changeset
2827 for (j = 0; j < co->co_argcount; j++) {
30485bc17268 Raymond's patch for #1819: speedup function calls with named parameters
Antoine Pitrou <solipsis@pitrou.net>
parents: 47985
diff changeset
2828 PyObject *nm = co_varnames[j];
18148
7bc473b2c654 Merging the gen-branch into the main line, at Guido's direction. Yay!
Tim Peters <tim.peters@gmail.com>
parents: 18136
diff changeset
2829 int cmp = PyObject_RichCompareBool(
7bc473b2c654 Merging the gen-branch into the main line, at Guido's direction. Yay!
Tim Peters <tim.peters@gmail.com>
parents: 18136
diff changeset
2830 keyword, nm, Py_EQ);
7bc473b2c654 Merging the gen-branch into the main line, at Guido's direction. Yay!
Tim Peters <tim.peters@gmail.com>
parents: 18136
diff changeset
2831 if (cmp > 0)
48077
30485bc17268 Raymond's patch for #1819: speedup function calls with named parameters
Antoine Pitrou <solipsis@pitrou.net>
parents: 47985
diff changeset
2832 goto kw_found;
18148
7bc473b2c654 Merging the gen-branch into the main line, at Guido's direction. Yay!
Tim Peters <tim.peters@gmail.com>
parents: 18136
diff changeset
2833 else if (cmp < 0)
7bc473b2c654 Merging the gen-branch into the main line, at Guido's direction. Yay!
Tim Peters <tim.peters@gmail.com>
parents: 18136
diff changeset
2834 goto fail;
7bc473b2c654 Merging the gen-branch into the main line, at Guido's direction. Yay!
Tim Peters <tim.peters@gmail.com>
parents: 18136
diff changeset
2835 }
7bc473b2c654 Merging the gen-branch into the main line, at Guido's direction. Yay!
Tim Peters <tim.peters@gmail.com>
parents: 18136
diff changeset
2836 /* Check errors from Compare */
7bc473b2c654 Merging the gen-branch into the main line, at Guido's direction. Yay!
Tim Peters <tim.peters@gmail.com>
parents: 18136
diff changeset
2837 if (PyErr_Occurred())
7bc473b2c654 Merging the gen-branch into the main line, at Guido's direction. Yay!
Tim Peters <tim.peters@gmail.com>
parents: 18136
diff changeset
2838 goto fail;
7bc473b2c654 Merging the gen-branch into the main line, at Guido's direction. Yay!
Tim Peters <tim.peters@gmail.com>
parents: 18136
diff changeset
2839 if (j >= co->co_argcount) {
7bc473b2c654 Merging the gen-branch into the main line, at Guido's direction. Yay!
Tim Peters <tim.peters@gmail.com>
parents: 18136
diff changeset
2840 if (kwdict == NULL) {
7bc473b2c654 Merging the gen-branch into the main line, at Guido's direction. Yay!
Tim Peters <tim.peters@gmail.com>
parents: 18136
diff changeset
2841 PyErr_Format(PyExc_TypeError,
7bc473b2c654 Merging the gen-branch into the main line, at Guido's direction. Yay!
Tim Peters <tim.peters@gmail.com>
parents: 18136
diff changeset
2842 "%.200s() got an unexpected "
7bc473b2c654 Merging the gen-branch into the main line, at Guido's direction. Yay!
Tim Peters <tim.peters@gmail.com>
parents: 18136
diff changeset
2843 "keyword argument '%.400s'",
47527
52294af4b663 This reverts r63675 based on the discussion in this thread:
Gregory P. Smith <greg@mad-scientist.com>
parents: 47294
diff changeset
2844 PyString_AsString(co->co_name),
52294af4b663 This reverts r63675 based on the discussion in this thread:
Gregory P. Smith <greg@mad-scientist.com>
parents: 47294
diff changeset
2845 PyString_AsString(keyword));
18148
7bc473b2c654 Merging the gen-branch into the main line, at Guido's direction. Yay!
Tim Peters <tim.peters@gmail.com>
parents: 18136
diff changeset
2846 goto fail;
7bc473b2c654 Merging the gen-branch into the main line, at Guido's direction. Yay!
Tim Peters <tim.peters@gmail.com>
parents: 18136
diff changeset
2847 }
7bc473b2c654 Merging the gen-branch into the main line, at Guido's direction. Yay!
Tim Peters <tim.peters@gmail.com>
parents: 18136
diff changeset
2848 PyDict_SetItem(kwdict, keyword, value);
48077
30485bc17268 Raymond's patch for #1819: speedup function calls with named parameters
Antoine Pitrou <solipsis@pitrou.net>
parents: 47985
diff changeset
2849 continue;
18148
7bc473b2c654 Merging the gen-branch into the main line, at Guido's direction. Yay!
Tim Peters <tim.peters@gmail.com>
parents: 18136
diff changeset
2850 }
48077
30485bc17268 Raymond's patch for #1819: speedup function calls with named parameters
Antoine Pitrou <solipsis@pitrou.net>
parents: 47985
diff changeset
2851 kw_found:
30485bc17268 Raymond's patch for #1819: speedup function calls with named parameters
Antoine Pitrou <solipsis@pitrou.net>
parents: 47985
diff changeset
2852 if (GETLOCAL(j) != NULL) {
30485bc17268 Raymond's patch for #1819: speedup function calls with named parameters
Antoine Pitrou <solipsis@pitrou.net>
parents: 47985
diff changeset
2853 PyErr_Format(PyExc_TypeError,
30485bc17268 Raymond's patch for #1819: speedup function calls with named parameters
Antoine Pitrou <solipsis@pitrou.net>
parents: 47985
diff changeset
2854 "%.200s() got multiple "
30485bc17268 Raymond's patch for #1819: speedup function calls with named parameters
Antoine Pitrou <solipsis@pitrou.net>
parents: 47985
diff changeset
2855 "values for keyword "
30485bc17268 Raymond's patch for #1819: speedup function calls with named parameters
Antoine Pitrou <solipsis@pitrou.net>
parents: 47985
diff changeset
2856 "argument '%.400s'",
30485bc17268 Raymond's patch for #1819: speedup function calls with named parameters
Antoine Pitrou <solipsis@pitrou.net>
parents: 47985
diff changeset
2857 PyString_AsString(co->co_name),
30485bc17268 Raymond's patch for #1819: speedup function calls with named parameters
Antoine Pitrou <solipsis@pitrou.net>
parents: 47985
diff changeset
2858 PyString_AsString(keyword));
30485bc17268 Raymond's patch for #1819: speedup function calls with named parameters
Antoine Pitrou <solipsis@pitrou.net>
parents: 47985
diff changeset
2859 goto fail;
18148
7bc473b2c654 Merging the gen-branch into the main line, at Guido's direction. Yay!
Tim Peters <tim.peters@gmail.com>
parents: 18136
diff changeset
2860 }
48077
30485bc17268 Raymond's patch for #1819: speedup function calls with named parameters
Antoine Pitrou <solipsis@pitrou.net>
parents: 47985
diff changeset
2861 Py_INCREF(value);
30485bc17268 Raymond's patch for #1819: speedup function calls with named parameters
Antoine Pitrou <solipsis@pitrou.net>
parents: 47985
diff changeset
2862 SETLOCAL(j, value);
18148
7bc473b2c654 Merging the gen-branch into the main line, at Guido's direction. Yay!
Tim Peters <tim.peters@gmail.com>
parents: 18136
diff changeset
2863 }
7bc473b2c654 Merging the gen-branch into the main line, at Guido's direction. Yay!
Tim Peters <tim.peters@gmail.com>
parents: 18136
diff changeset
2864 if (argcount < co->co_argcount) {
7bc473b2c654 Merging the gen-branch into the main line, at Guido's direction. Yay!
Tim Peters <tim.peters@gmail.com>
parents: 18136
diff changeset
2865 int m = co->co_argcount - defcount;
7bc473b2c654 Merging the gen-branch into the main line, at Guido's direction. Yay!
Tim Peters <tim.peters@gmail.com>
parents: 18136
diff changeset
2866 for (i = argcount; i < m; i++) {
7bc473b2c654 Merging the gen-branch into the main line, at Guido's direction. Yay!
Tim Peters <tim.peters@gmail.com>
parents: 18136
diff changeset
2867 if (GETLOCAL(i) == NULL) {
7bc473b2c654 Merging the gen-branch into the main line, at Guido's direction. Yay!
Tim Peters <tim.peters@gmail.com>
parents: 18136
diff changeset
2868 PyErr_Format(PyExc_TypeError,
7bc473b2c654 Merging the gen-branch into the main line, at Guido's direction. Yay!
Tim Peters <tim.peters@gmail.com>
parents: 18136
diff changeset
2869 "%.200s() takes %s %d "
7bc473b2c654 Merging the gen-branch into the main line, at Guido's direction. Yay!
Tim Peters <tim.peters@gmail.com>
parents: 18136
diff changeset
2870 "%sargument%s (%d given)",
47527
52294af4b663 This reverts r63675 based on the discussion in this thread:
Gregory P. Smith <greg@mad-scientist.com>
parents: 47294
diff changeset
2871 PyString_AsString(co->co_name),
18148
7bc473b2c654 Merging the gen-branch into the main line, at Guido's direction. Yay!
Tim Peters <tim.peters@gmail.com>
parents: 18136
diff changeset
2872 ((co->co_flags & CO_VARARGS) ||
7bc473b2c654 Merging the gen-branch into the main line, at Guido's direction. Yay!
Tim Peters <tim.peters@gmail.com>
parents: 18136
diff changeset
2873 defcount) ? "at least"
7bc473b2c654 Merging the gen-branch into the main line, at Guido's direction. Yay!
Tim Peters <tim.peters@gmail.com>
parents: 18136
diff changeset
2874 : "exactly",
7bc473b2c654 Merging the gen-branch into the main line, at Guido's direction. Yay!
Tim Peters <tim.peters@gmail.com>
parents: 18136
diff changeset
2875 m, kwcount ? "non-keyword " : "",
7bc473b2c654 Merging the gen-branch into the main line, at Guido's direction. Yay!
Tim Peters <tim.peters@gmail.com>
parents: 18136
diff changeset
2876 m == 1 ? "" : "s", i);
7bc473b2c654 Merging the gen-branch into the main line, at Guido's direction. Yay!
Tim Peters <tim.peters@gmail.com>
parents: 18136
diff changeset
2877 goto fail;
7bc473b2c654 Merging the gen-branch into the main line, at Guido's direction. Yay!
Tim Peters <tim.peters@gmail.com>
parents: 18136
diff changeset
2878 }
7bc473b2c654 Merging the gen-branch into the main line, at Guido's direction. Yay!
Tim Peters <tim.peters@gmail.com>
parents: 18136
diff changeset
2879 }
7bc473b2c654 Merging the gen-branch into the main line, at Guido's direction. Yay!
Tim Peters <tim.peters@gmail.com>
parents: 18136
diff changeset
2880 if (n > m)
7bc473b2c654 Merging the gen-branch into the main line, at Guido's direction. Yay!
Tim Peters <tim.peters@gmail.com>
parents: 18136
diff changeset
2881 i = n - m;
7bc473b2c654 Merging the gen-branch into the main line, at Guido's direction. Yay!
Tim Peters <tim.peters@gmail.com>
parents: 18136
diff changeset
2882 else
7bc473b2c654 Merging the gen-branch into the main line, at Guido's direction. Yay!
Tim Peters <tim.peters@gmail.com>
parents: 18136
diff changeset
2883 i = 0;
7bc473b2c654 Merging the gen-branch into the main line, at Guido's direction. Yay!
Tim Peters <tim.peters@gmail.com>
parents: 18136
diff changeset
2884 for (; i < defcount; i++) {
7bc473b2c654 Merging the gen-branch into the main line, at Guido's direction. Yay!
Tim Peters <tim.peters@gmail.com>
parents: 18136
diff changeset
2885 if (GETLOCAL(m+i) == NULL) {
7bc473b2c654 Merging the gen-branch into the main line, at Guido's direction. Yay!
Tim Peters <tim.peters@gmail.com>
parents: 18136
diff changeset
2886 PyObject *def = defs[i];
7bc473b2c654 Merging the gen-branch into the main line, at Guido's direction. Yay!
Tim Peters <tim.peters@gmail.com>
parents: 18136
diff changeset
2887 Py_INCREF(def);
7bc473b2c654 Merging the gen-branch into the main line, at Guido's direction. Yay!
Tim Peters <tim.peters@gmail.com>
parents: 18136
diff changeset
2888 SETLOCAL(m+i, def);
7bc473b2c654 Merging the gen-branch into the main line, at Guido's direction. Yay!
Tim Peters <tim.peters@gmail.com>
parents: 18136
diff changeset
2889 }
7bc473b2c654 Merging the gen-branch into the main line, at Guido's direction. Yay!
Tim Peters <tim.peters@gmail.com>
parents: 18136
diff changeset
2890 }
7bc473b2c654 Merging the gen-branch into the main line, at Guido's direction. Yay!
Tim Peters <tim.peters@gmail.com>
parents: 18136
diff changeset
2891 }
7bc473b2c654 Merging the gen-branch into the main line, at Guido's direction. Yay!
Tim Peters <tim.peters@gmail.com>
parents: 18136
diff changeset
2892 }
7bc473b2c654 Merging the gen-branch into the main line, at Guido's direction. Yay!
Tim Peters <tim.peters@gmail.com>
parents: 18136
diff changeset
2893 else {
7bc473b2c654 Merging the gen-branch into the main line, at Guido's direction. Yay!
Tim Peters <tim.peters@gmail.com>
parents: 18136
diff changeset
2894 if (argcount > 0 || kwcount > 0) {
7bc473b2c654 Merging the gen-branch into the main line, at Guido's direction. Yay!
Tim Peters <tim.peters@gmail.com>
parents: 18136
diff changeset
2895 PyErr_Format(PyExc_TypeError,
7bc473b2c654 Merging the gen-branch into the main line, at Guido's direction. Yay!
Tim Peters <tim.peters@gmail.com>
parents: 18136
diff changeset
2896 "%.200s() takes no arguments (%d given)",
47527
52294af4b663 This reverts r63675 based on the discussion in this thread:
Gregory P. Smith <greg@mad-scientist.com>
parents: 47294
diff changeset
2897 PyString_AsString(co->co_name),
18148
7bc473b2c654 Merging the gen-branch into the main line, at Guido's direction. Yay!
Tim Peters <tim.peters@gmail.com>
parents: 18136
diff changeset
2898 argcount + kwcount);
7bc473b2c654 Merging the gen-branch into the main line, at Guido's direction. Yay!
Tim Peters <tim.peters@gmail.com>
parents: 18136
diff changeset
2899 goto fail;
7bc473b2c654 Merging the gen-branch into the main line, at Guido's direction. Yay!
Tim Peters <tim.peters@gmail.com>
parents: 18136
diff changeset
2900 }
7bc473b2c654 Merging the gen-branch into the main line, at Guido's direction. Yay!
Tim Peters <tim.peters@gmail.com>
parents: 18136
diff changeset
2901 }
7bc473b2c654 Merging the gen-branch into the main line, at Guido's direction. Yay!
Tim Peters <tim.peters@gmail.com>
parents: 18136
diff changeset
2902 /* Allocate and initialize storage for cell vars, and copy free
7bc473b2c654 Merging the gen-branch into the main line, at Guido's direction. Yay!
Tim Peters <tim.peters@gmail.com>
parents: 18136
diff changeset
2903 vars into frame. This isn't too efficient right now. */
38253
4bd299d00e4c Applied patch 1337051 by Neal Norwitz, saving 4 ints on frame objects.
Richard Jones <richard@commonground.com.au>
parents: 38217
diff changeset
2904 if (PyTuple_GET_SIZE(co->co_cellvars)) {
38768
a91e739ce333 i and j are initialized below when used. No need to do it twice
Neal Norwitz <nnorwitz@gmail.com>
parents: 38766
diff changeset
2905 int i, j, nargs, found;
18148
7bc473b2c654 Merging the gen-branch into the main line, at Guido's direction. Yay!
Tim Peters <tim.peters@gmail.com>
parents: 18136
diff changeset
2906 char *cellname, *argname;
7bc473b2c654 Merging the gen-branch into the main line, at Guido's direction. Yay!
Tim Peters <tim.peters@gmail.com>
parents: 18136
diff changeset
2907 PyObject *c;
7bc473b2c654 Merging the gen-branch into the main line, at Guido's direction. Yay!
Tim Peters <tim.peters@gmail.com>
parents: 18136
diff changeset
2908
7bc473b2c654 Merging the gen-branch into the main line, at Guido's direction. Yay!
Tim Peters <tim.peters@gmail.com>
parents: 18136
diff changeset
2909 nargs = co->co_argcount;
7bc473b2c654 Merging the gen-branch into the main line, at Guido's direction. Yay!
Tim Peters <tim.peters@gmail.com>
parents: 18136
diff changeset
2910 if (co->co_flags & CO_VARARGS)
7bc473b2c654 Merging the gen-branch into the main line, at Guido's direction. Yay!
Tim Peters <tim.peters@gmail.com>
parents: 18136
diff changeset
2911 nargs++;
7bc473b2c654 Merging the gen-branch into the main line, at Guido's direction. Yay!
Tim Peters <tim.peters@gmail.com>
parents: 18136
diff changeset
2912 if (co->co_flags & CO_VARKEYWORDS)
7bc473b2c654 Merging the gen-branch into the main line, at Guido's direction. Yay!
Tim Peters <tim.peters@gmail.com>
parents: 18136
diff changeset
2913 nargs++;
7bc473b2c654 Merging the gen-branch into the main line, at Guido's direction. Yay!
Tim Peters <tim.peters@gmail.com>
parents: 18136
diff changeset
2914
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35609
diff changeset
2915 /* Initialize each cell var, taking into account
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35609
diff changeset
2916 cell vars that are initialized from arguments.
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35609
diff changeset
2917
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35609
diff changeset
2918 Should arrange for the compiler to put cellvars
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35609
diff changeset
2919 that are arguments at the beginning of the cellvars
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35609
diff changeset
2920 list so that we can march over it more efficiently?
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35609
diff changeset
2921 */
38253
4bd299d00e4c Applied patch 1337051 by Neal Norwitz, saving 4 ints on frame objects.
Richard Jones <richard@commonground.com.au>
parents: 38217
diff changeset
2922 for (i = 0; i < PyTuple_GET_SIZE(co->co_cellvars); ++i) {
47527
52294af4b663 This reverts r63675 based on the discussion in this thread:
Gregory P. Smith <greg@mad-scientist.com>
parents: 47294
diff changeset
2923 cellname = PyString_AS_STRING(
18148
7bc473b2c654 Merging the gen-branch into the main line, at Guido's direction. Yay!
Tim Peters <tim.peters@gmail.com>
parents: 18136
diff changeset
2924 PyTuple_GET_ITEM(co->co_cellvars, i));
7bc473b2c654 Merging the gen-branch into the main line, at Guido's direction. Yay!
Tim Peters <tim.peters@gmail.com>
parents: 18136
diff changeset
2925 found = 0;
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35609
diff changeset
2926 for (j = 0; j < nargs; j++) {
47527
52294af4b663 This reverts r63675 based on the discussion in this thread:
Gregory P. Smith <greg@mad-scientist.com>
parents: 47294
diff changeset
2927 argname = PyString_AS_STRING(
18148
7bc473b2c654 Merging the gen-branch into the main line, at Guido's direction. Yay!
Tim Peters <tim.peters@gmail.com>
parents: 18136
diff changeset
2928 PyTuple_GET_ITEM(co->co_varnames, j));
7bc473b2c654 Merging the gen-branch into the main line, at Guido's direction. Yay!
Tim Peters <tim.peters@gmail.com>
parents: 18136
diff changeset
2929 if (strcmp(cellname, argname) == 0) {
7bc473b2c654 Merging the gen-branch into the main line, at Guido's direction. Yay!
Tim Peters <tim.peters@gmail.com>
parents: 18136
diff changeset
2930 c = PyCell_New(GETLOCAL(j));
7bc473b2c654 Merging the gen-branch into the main line, at Guido's direction. Yay!
Tim Peters <tim.peters@gmail.com>
parents: 18136
diff changeset
2931 if (c == NULL)
7bc473b2c654 Merging the gen-branch into the main line, at Guido's direction. Yay!
Tim Peters <tim.peters@gmail.com>
parents: 18136
diff changeset
2932 goto fail;
38253
4bd299d00e4c Applied patch 1337051 by Neal Norwitz, saving 4 ints on frame objects.
Richard Jones <richard@commonground.com.au>
parents: 38217
diff changeset
2933 GETLOCAL(co->co_nlocals + i) = c;
18148
7bc473b2c654 Merging the gen-branch into the main line, at Guido's direction. Yay!
Tim Peters <tim.peters@gmail.com>
parents: 18136
diff changeset
2934 found = 1;
7bc473b2c654 Merging the gen-branch into the main line, at Guido's direction. Yay!
Tim Peters <tim.peters@gmail.com>
parents: 18136
diff changeset
2935 break;
7bc473b2c654 Merging the gen-branch into the main line, at Guido's direction. Yay!
Tim Peters <tim.peters@gmail.com>
parents: 18136
diff changeset
2936 }
7bc473b2c654 Merging the gen-branch into the main line, at Guido's direction. Yay!
Tim Peters <tim.peters@gmail.com>
parents: 18136
diff changeset
2937 }
7bc473b2c654 Merging the gen-branch into the main line, at Guido's direction. Yay!
Tim Peters <tim.peters@gmail.com>
parents: 18136
diff changeset
2938 if (found == 0) {
7bc473b2c654 Merging the gen-branch into the main line, at Guido's direction. Yay!
Tim Peters <tim.peters@gmail.com>
parents: 18136
diff changeset
2939 c = PyCell_New(NULL);
7bc473b2c654 Merging the gen-branch into the main line, at Guido's direction. Yay!
Tim Peters <tim.peters@gmail.com>
parents: 18136
diff changeset
2940 if (c == NULL)
7bc473b2c654 Merging the gen-branch into the main line, at Guido's direction. Yay!
Tim Peters <tim.peters@gmail.com>
parents: 18136
diff changeset
2941 goto fail;
38253
4bd299d00e4c Applied patch 1337051 by Neal Norwitz, saving 4 ints on frame objects.
Richard Jones <richard@commonground.com.au>
parents: 38217
diff changeset
2942 SETLOCAL(co->co_nlocals + i, c);
18148
7bc473b2c654 Merging the gen-branch into the main line, at Guido's direction. Yay!
Tim Peters <tim.peters@gmail.com>
parents: 18136
diff changeset
2943 }
7bc473b2c654 Merging the gen-branch into the main line, at Guido's direction. Yay!
Tim Peters <tim.peters@gmail.com>
parents: 18136
diff changeset
2944 }
7bc473b2c654 Merging the gen-branch into the main line, at Guido's direction. Yay!
Tim Peters <tim.peters@gmail.com>
parents: 18136
diff changeset
2945 }
38253
4bd299d00e4c Applied patch 1337051 by Neal Norwitz, saving 4 ints on frame objects.
Richard Jones <richard@commonground.com.au>
parents: 38217
diff changeset
2946 if (PyTuple_GET_SIZE(co->co_freevars)) {
18148
7bc473b2c654 Merging the gen-branch into the main line, at Guido's direction. Yay!
Tim Peters <tim.peters@gmail.com>
parents: 18136
diff changeset
2947 int i;
38253
4bd299d00e4c Applied patch 1337051 by Neal Norwitz, saving 4 ints on frame objects.
Richard Jones <richard@commonground.com.au>
parents: 38217
diff changeset
2948 for (i = 0; i < PyTuple_GET_SIZE(co->co_freevars); ++i) {
18148
7bc473b2c654 Merging the gen-branch into the main line, at Guido's direction. Yay!
Tim Peters <tim.peters@gmail.com>
parents: 18136
diff changeset
2949 PyObject *o = PyTuple_GET_ITEM(closure, i);
7bc473b2c654 Merging the gen-branch into the main line, at Guido's direction. Yay!
Tim Peters <tim.peters@gmail.com>
parents: 18136
diff changeset
2950 Py_INCREF(o);
38253
4bd299d00e4c Applied patch 1337051 by Neal Norwitz, saving 4 ints on frame objects.
Richard Jones <richard@commonground.com.au>
parents: 38217
diff changeset
2951 freevars[PyTuple_GET_SIZE(co->co_cellvars) + i] = o;
18148
7bc473b2c654 Merging the gen-branch into the main line, at Guido's direction. Yay!
Tim Peters <tim.peters@gmail.com>
parents: 18136
diff changeset
2952 }
7bc473b2c654 Merging the gen-branch into the main line, at Guido's direction. Yay!
Tim Peters <tim.peters@gmail.com>
parents: 18136
diff changeset
2953 }
7bc473b2c654 Merging the gen-branch into the main line, at Guido's direction. Yay!
Tim Peters <tim.peters@gmail.com>
parents: 18136
diff changeset
2954
7bc473b2c654 Merging the gen-branch into the main line, at Guido's direction. Yay!
Tim Peters <tim.peters@gmail.com>
parents: 18136
diff changeset
2955 if (co->co_flags & CO_GENERATOR) {
18194
990b73fa074c Try to avoid creating reference cycles involving generators. Only keep a
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 18172
diff changeset
2956 /* Don't need to keep the reference to f_back, it will be set
990b73fa074c Try to avoid creating reference cycles involving generators. Only keep a
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 18172
diff changeset
2957 * when the generator is resumed. */
18611
fdb36a0c7e6e Part way to allowing "from __future__ import generators" to communicate
Tim Peters <tim.peters@gmail.com>
parents: 18513
diff changeset
2958 Py_XDECREF(f->f_back);
18194
990b73fa074c Try to avoid creating reference cycles involving generators. Only keep a
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 18172
diff changeset
2959 f->f_back = NULL;
990b73fa074c Try to avoid creating reference cycles involving generators. Only keep a
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 18172
diff changeset
2960
27712
16856c9514e0 Small function call optimization and special build option for call stats.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 27295
diff changeset
2961 PCALL(PCALL_GENERATOR);
16856c9514e0 Small function call optimization and special build option for call stats.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 27295
diff changeset
2962
18194
990b73fa074c Try to avoid creating reference cycles involving generators. Only keep a
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 18172
diff changeset
2963 /* Create a new generator that owns the ready to run frame
990b73fa074c Try to avoid creating reference cycles involving generators. Only keep a
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 18172
diff changeset
2964 * and return that as the value. */
32175
8ee5a56b8031 Patch #957398: Add public API for Generator Object/Type.
Martin v. Löwis <martin@v.loewis.de>
parents: 31900
diff changeset
2965 return PyGen_New(f);
18148
7bc473b2c654 Merging the gen-branch into the main line, at Guido's direction. Yay!
Tim Peters <tim.peters@gmail.com>
parents: 18136
diff changeset
2966 }
7bc473b2c654 Merging the gen-branch into the main line, at Guido's direction. Yay!
Tim Peters <tim.peters@gmail.com>
parents: 18136
diff changeset
2967
43408
81478465fef3 Whitespace cleanup.
Thomas Wouters <thomas@python.org>
parents: 42333
diff changeset
2968 retval = PyEval_EvalFrameEx(f,0);
81478465fef3 Whitespace cleanup.
Thomas Wouters <thomas@python.org>
parents: 42333
diff changeset
2969
81478465fef3 Whitespace cleanup.
Thomas Wouters <thomas@python.org>
parents: 42333
diff changeset
2970 fail: /* Jump here from prelude on failure */
18148
7bc473b2c654 Merging the gen-branch into the main line, at Guido's direction. Yay!
Tim Peters <tim.peters@gmail.com>
parents: 18136
diff changeset
2971
21058
9df82c13c675 SF bug #483469: crash on unbounded recursion in __del__.
Tim Peters <tim.peters@gmail.com>
parents: 21027
diff changeset
2972 /* decref'ing the frame can cause __del__ methods to get invoked,
9df82c13c675 SF bug #483469: crash on unbounded recursion in __del__.
Tim Peters <tim.peters@gmail.com>
parents: 21027
diff changeset
2973 which can call back into Python. While we're done with the
9df82c13c675 SF bug #483469: crash on unbounded recursion in __del__.
Tim Peters <tim.peters@gmail.com>
parents: 21027
diff changeset
2974 current Python frame (f), the associated C stack is still in use,
9df82c13c675 SF bug #483469: crash on unbounded recursion in __del__.
Tim Peters <tim.peters@gmail.com>
parents: 21027
diff changeset
2975 so recursion_depth must be boosted for the duration.
9df82c13c675 SF bug #483469: crash on unbounded recursion in __del__.
Tim Peters <tim.peters@gmail.com>
parents: 21027
diff changeset
2976 */
9df82c13c675 SF bug #483469: crash on unbounded recursion in __del__.
Tim Peters <tim.peters@gmail.com>
parents: 21027
diff changeset
2977 assert(tstate != NULL);
9df82c13c675 SF bug #483469: crash on unbounded recursion in __del__.
Tim Peters <tim.peters@gmail.com>
parents: 21027
diff changeset
2978 ++tstate->recursion_depth;
43408
81478465fef3 Whitespace cleanup.
Thomas Wouters <thomas@python.org>
parents: 42333
diff changeset
2979 Py_DECREF(f);
21058
9df82c13c675 SF bug #483469: crash on unbounded recursion in __del__.
Tim Peters <tim.peters@gmail.com>
parents: 21027
diff changeset
2980 --tstate->recursion_depth;
18148
7bc473b2c654 Merging the gen-branch into the main line, at Guido's direction. Yay!
Tim Peters <tim.peters@gmail.com>
parents: 18136
diff changeset
2981 return retval;
7bc473b2c654 Merging the gen-branch into the main line, at Guido's direction. Yay!
Tim Peters <tim.peters@gmail.com>
parents: 18136
diff changeset
2982 }
7bc473b2c654 Merging the gen-branch into the main line, at Guido's direction. Yay!
Tim Peters <tim.peters@gmail.com>
parents: 18136
diff changeset
2983
7bc473b2c654 Merging the gen-branch into the main line, at Guido's direction. Yay!
Tim Peters <tim.peters@gmail.com>
parents: 18136
diff changeset
2984
28121
c24a23b1f198 Added implementation notes for [re]set_exc_info().
Guido van Rossum <guido@python.org>
parents: 28086
diff changeset
2985 /* Implementation notes for set_exc_info() and reset_exc_info():
c24a23b1f198 Added implementation notes for [re]set_exc_info().
Guido van Rossum <guido@python.org>
parents: 28086
diff changeset
2986
c24a23b1f198 Added implementation notes for [re]set_exc_info().
Guido van Rossum <guido@python.org>
parents: 28086
diff changeset
2987 - Below, 'exc_ZZZ' stands for 'exc_type', 'exc_value' and
c24a23b1f198 Added implementation notes for [re]set_exc_info().
Guido van Rossum <guido@python.org>
parents: 28086
diff changeset
2988 'exc_traceback'. These always travel together.
c24a23b1f198 Added implementation notes for [re]set_exc_info().
Guido van Rossum <guido@python.org>
parents: 28086
diff changeset
2989
c24a23b1f198 Added implementation notes for [re]set_exc_info().
Guido van Rossum <guido@python.org>
parents: 28086
diff changeset
2990 - tstate->curexc_ZZZ is the "hot" exception that is set by
c24a23b1f198 Added implementation notes for [re]set_exc_info().
Guido van Rossum <guido@python.org>
parents: 28086
diff changeset
2991 PyErr_SetString(), cleared by PyErr_Clear(), and so on.
c24a23b1f198 Added implementation notes for [re]set_exc_info().
Guido van Rossum <guido@python.org>
parents: 28086
diff changeset
2992
c24a23b1f198 Added implementation notes for [re]set_exc_info().
Guido van Rossum <guido@python.org>
parents: 28086
diff changeset
2993 - Once an exception is caught by an except clause, it is transferred
c24a23b1f198 Added implementation notes for [re]set_exc_info().
Guido van Rossum <guido@python.org>
parents: 28086
diff changeset
2994 from tstate->curexc_ZZZ to tstate->exc_ZZZ, from which sys.exc_info()
c24a23b1f198 Added implementation notes for [re]set_exc_info().
Guido van Rossum <guido@python.org>
parents: 28086
diff changeset
2995 can pick it up. This is the primary task of set_exc_info().
38418
708eaf0896bf Patch 1145039.
Tim Peters <tim.peters@gmail.com>
parents: 38352
diff changeset
2996 XXX That can't be right: set_exc_info() doesn't look at tstate->curexc_ZZZ.
28121
c24a23b1f198 Added implementation notes for [re]set_exc_info().
Guido van Rossum <guido@python.org>
parents: 28086
diff changeset
2997
c24a23b1f198 Added implementation notes for [re]set_exc_info().
Guido van Rossum <guido@python.org>
parents: 28086
diff changeset
2998 - Now let me explain the complicated dance with frame->f_exc_ZZZ.
c24a23b1f198 Added implementation notes for [re]set_exc_info().
Guido van Rossum <guido@python.org>
parents: 28086
diff changeset
2999
c24a23b1f198 Added implementation notes for [re]set_exc_info().
Guido van Rossum <guido@python.org>
parents: 28086
diff changeset
3000 Long ago, when none of this existed, there were just a few globals:
c24a23b1f198 Added implementation notes for [re]set_exc_info().
Guido van Rossum <guido@python.org>
parents: 28086
diff changeset
3001 one set corresponding to the "hot" exception, and one set
c24a23b1f198 Added implementation notes for [re]set_exc_info().
Guido van Rossum <guido@python.org>
parents: 28086
diff changeset
3002 corresponding to sys.exc_ZZZ. (Actually, the latter weren't C
c24a23b1f198 Added implementation notes for [re]set_exc_info().
Guido van Rossum <guido@python.org>
parents: 28086
diff changeset
3003 globals; they were simply stored as sys.exc_ZZZ. For backwards
c24a23b1f198 Added implementation notes for [re]set_exc_info().
Guido van Rossum <guido@python.org>
parents: 28086
diff changeset
3004 compatibility, they still are!) The problem was that in code like
c24a23b1f198 Added implementation notes for [re]set_exc_info().
Guido van Rossum <guido@python.org>
parents: 28086
diff changeset
3005 this:
c24a23b1f198 Added implementation notes for [re]set_exc_info().
Guido van Rossum <guido@python.org>
parents: 28086
diff changeset
3006
c24a23b1f198 Added implementation notes for [re]set_exc_info().
Guido van Rossum <guido@python.org>
parents: 28086
diff changeset
3007 try:
c24a23b1f198 Added implementation notes for [re]set_exc_info().
Guido van Rossum <guido@python.org>
parents: 28086
diff changeset
3008 "something that may fail"
c24a23b1f198 Added implementation notes for [re]set_exc_info().
Guido van Rossum <guido@python.org>
parents: 28086
diff changeset
3009 except "some exception":
c24a23b1f198 Added implementation notes for [re]set_exc_info().
Guido van Rossum <guido@python.org>
parents: 28086
diff changeset
3010 "do something else first"
c24a23b1f198 Added implementation notes for [re]set_exc_info().
Guido van Rossum <guido@python.org>
parents: 28086
diff changeset
3011 "print the exception from sys.exc_ZZZ."
c24a23b1f198 Added implementation notes for [re]set_exc_info().
Guido van Rossum <guido@python.org>
parents: 28086
diff changeset
3012
c24a23b1f198 Added implementation notes for [re]set_exc_info().
Guido van Rossum <guido@python.org>
parents: 28086
diff changeset
3013 if "do something else first" invoked something that raised and caught
c24a23b1f198 Added implementation notes for [re]set_exc_info().
Guido van Rossum <guido@python.org>
parents: 28086
diff changeset
3014 an exception, sys.exc_ZZZ were overwritten. That was a frequent
c24a23b1f198 Added implementation notes for [re]set_exc_info().
Guido van Rossum <guido@python.org>
parents: 28086
diff changeset
3015 cause of subtle bugs. I fixed this by changing the semantics as
c24a23b1f198 Added implementation notes for [re]set_exc_info().
Guido van Rossum <guido@python.org>
parents: 28086
diff changeset
3016 follows:
c24a23b1f198 Added implementation notes for [re]set_exc_info().
Guido van Rossum <guido@python.org>
parents: 28086
diff changeset
3017
c24a23b1f198 Added implementation notes for [re]set_exc_info().
Guido van Rossum <guido@python.org>
parents: 28086
diff changeset
3018 - Within one frame, sys.exc_ZZZ will hold the last exception caught
c24a23b1f198 Added implementation notes for [re]set_exc_info().
Guido van Rossum <guido@python.org>
parents: 28086
diff changeset
3019 *in that frame*.
c24a23b1f198 Added implementation notes for [re]set_exc_info().
Guido van Rossum <guido@python.org>
parents: 28086
diff changeset
3020
c24a23b1f198 Added implementation notes for [re]set_exc_info().
Guido van Rossum <guido@python.org>
parents: 28086
diff changeset
3021 - But initially, and as long as no exception is caught in a given
c24a23b1f198 Added implementation notes for [re]set_exc_info().
Guido van Rossum <guido@python.org>
parents: 28086
diff changeset
3022 frame, sys.exc_ZZZ will hold the last exception caught in the
c24a23b1f198 Added implementation notes for [re]set_exc_info().
Guido van Rossum <guido@python.org>
parents: 28086
diff changeset
3023 previous frame (or the frame before that, etc.).
c24a23b1f198 Added implementation notes for [re]set_exc_info().
Guido van Rossum <guido@python.org>
parents: 28086
diff changeset
3024
c24a23b1f198 Added implementation notes for [re]set_exc_info().
Guido van Rossum <guido@python.org>
parents: 28086
diff changeset
3025 The first bullet fixed the bug in the above example. The second
c24a23b1f198 Added implementation notes for [re]set_exc_info().
Guido van Rossum <guido@python.org>
parents: 28086
diff changeset
3026 bullet was for backwards compatibility: it was (and is) common to
c24a23b1f198 Added implementation notes for [re]set_exc_info().
Guido van Rossum <guido@python.org>
parents: 28086
diff changeset
3027 have a function that is called when an exception is caught, and to
c24a23b1f198 Added implementation notes for [re]set_exc_info().
Guido van Rossum <guido@python.org>
parents: 28086
diff changeset
3028 have that function access the caught exception via sys.exc_ZZZ.
c24a23b1f198 Added implementation notes for [re]set_exc_info().
Guido van Rossum <guido@python.org>
parents: 28086
diff changeset
3029 (Example: traceback.print_exc()).
c24a23b1f198 Added implementation notes for [re]set_exc_info().
Guido van Rossum <guido@python.org>
parents: 28086
diff changeset
3030
c24a23b1f198 Added implementation notes for [re]set_exc_info().
Guido van Rossum <guido@python.org>
parents: 28086
diff changeset
3031 At the same time I fixed the problem that sys.exc_ZZZ weren't
c24a23b1f198 Added implementation notes for [re]set_exc_info().
Guido van Rossum <guido@python.org>
parents: 28086
diff changeset
3032 thread-safe, by introducing sys.exc_info() which gets it from tstate;
c24a23b1f198 Added implementation notes for [re]set_exc_info().
Guido van Rossum <guido@python.org>
parents: 28086
diff changeset
3033 but that's really a separate improvement.
c24a23b1f198 Added implementation notes for [re]set_exc_info().
Guido van Rossum <guido@python.org>
parents: 28086
diff changeset
3034
c24a23b1f198 Added implementation notes for [re]set_exc_info().
Guido van Rossum <guido@python.org>
parents: 28086
diff changeset
3035 The reset_exc_info() function in ceval.c restores the tstate->exc_ZZZ
c24a23b1f198 Added implementation notes for [re]set_exc_info().
Guido van Rossum <guido@python.org>
parents: 28086
diff changeset
3036 variables to what they were before the current frame was called. The
c24a23b1f198 Added implementation notes for [re]set_exc_info().
Guido van Rossum <guido@python.org>
parents: 28086
diff changeset
3037 set_exc_info() function saves them on the frame so that
c24a23b1f198 Added implementation notes for [re]set_exc_info().
Guido van Rossum <guido@python.org>
parents: 28086
diff changeset
3038 reset_exc_info() can restore them. The invariant is that
c24a23b1f198 Added implementation notes for [re]set_exc_info().
Guido van Rossum <guido@python.org>
parents: 28086
diff changeset
3039 frame->f_exc_ZZZ is NULL iff the current frame never caught an
c24a23b1f198 Added implementation notes for [re]set_exc_info().
Guido van Rossum <guido@python.org>
parents: 28086
diff changeset
3040 exception (where "catching" an exception applies only to successful
c24a23b1f198 Added implementation notes for [re]set_exc_info().
Guido van Rossum <guido@python.org>
parents: 28086
diff changeset
3041 except clauses); and if the current frame ever caught an exception,
c24a23b1f198 Added implementation notes for [re]set_exc_info().
Guido van Rossum <guido@python.org>
parents: 28086
diff changeset
3042 frame->f_exc_ZZZ is the exception that was stored in tstate->exc_ZZZ
c24a23b1f198 Added implementation notes for [re]set_exc_info().
Guido van Rossum <guido@python.org>
parents: 28086
diff changeset
3043 at the start of the current frame.
c24a23b1f198 Added implementation notes for [re]set_exc_info().
Guido van Rossum <guido@python.org>
parents: 28086
diff changeset
3044
c24a23b1f198 Added implementation notes for [re]set_exc_info().
Guido van Rossum <guido@python.org>
parents: 28086
diff changeset
3045 */
c24a23b1f198 Added implementation notes for [re]set_exc_info().
Guido van Rossum <guido@python.org>
parents: 28086
diff changeset
3046
38425
ca657e0bd09c needforspeed: backed out the Py_LOCAL-isation of ceval; the massive in-
Fredrik Lundh <fredrik@pythonware.com>
parents: 38418
diff changeset
3047 static void
15948
3bc2440427d3 Rich comparisons fall-out:
Guido van Rossum <guido@python.org>
parents: 15899
diff changeset
3048 set_exc_info(PyThreadState *tstate,
3bc2440427d3 Rich comparisons fall-out:
Guido van Rossum <guido@python.org>
parents: 15899
diff changeset
3049 PyObject *type, PyObject *value, PyObject *tb)
5405
b7871ca930ad Massive changes for separate thread state management.
Guido van Rossum <guido@python.org>
parents: 5368
diff changeset
3050 {
38418
708eaf0896bf Patch 1145039.
Tim Peters <tim.peters@gmail.com>
parents: 38352
diff changeset
3051 PyFrameObject *frame = tstate->frame;
5557
4329e4077cf3 Plug leak of stack frame object in exception handling code.
Guido van Rossum <guido@python.org>
parents: 5551
diff changeset
3052 PyObject *tmp_type, *tmp_value, *tmp_tb;
6147
b76a44163e0f cmp_exception gets promoted (essentially) to the C API function
Barry Warsaw <barry@python.org>
parents: 6139
diff changeset
3053
38418
708eaf0896bf Patch 1145039.
Tim Peters <tim.peters@gmail.com>
parents: 38352
diff changeset
3054 assert(type != NULL);
708eaf0896bf Patch 1145039.
Tim Peters <tim.peters@gmail.com>
parents: 38352
diff changeset
3055 assert(frame != NULL);
5405
b7871ca930ad Massive changes for separate thread state management.
Guido van Rossum <guido@python.org>
parents: 5368
diff changeset
3056 if (frame->f_exc_type == NULL) {
38418
708eaf0896bf Patch 1145039.
Tim Peters <tim.peters@gmail.com>
parents: 38352
diff changeset
3057 assert(frame->f_exc_value == NULL);
708eaf0896bf Patch 1145039.
Tim Peters <tim.peters@gmail.com>
parents: 38352
diff changeset
3058 assert(frame->f_exc_traceback == NULL);
708eaf0896bf Patch 1145039.
Tim Peters <tim.peters@gmail.com>
parents: 38352
diff changeset
3059 /* This frame didn't catch an exception before. */
708eaf0896bf Patch 1145039.
Tim Peters <tim.peters@gmail.com>
parents: 38352
diff changeset
3060 /* Save previous exception of this thread in this frame. */
5405
b7871ca930ad Massive changes for separate thread state management.
Guido van Rossum <guido@python.org>
parents: 5368
diff changeset
3061 if (tstate->exc_type == NULL) {
38418
708eaf0896bf Patch 1145039.
Tim Peters <tim.peters@gmail.com>
parents: 38352
diff changeset
3062 /* XXX Why is this set to Py_None? */
5405
b7871ca930ad Massive changes for separate thread state management.
Guido van Rossum <guido@python.org>
parents: 5368
diff changeset
3063 Py_INCREF(Py_None);
b7871ca930ad Massive changes for separate thread state management.
Guido van Rossum <guido@python.org>
parents: 5368
diff changeset
3064 tstate->exc_type = Py_None;
b7871ca930ad Massive changes for separate thread state management.
Guido van Rossum <guido@python.org>
parents: 5368
diff changeset
3065 }
38418
708eaf0896bf Patch 1145039.
Tim Peters <tim.peters@gmail.com>
parents: 38352
diff changeset
3066 Py_INCREF(tstate->exc_type);
5405
b7871ca930ad Massive changes for separate thread state management.
Guido van Rossum <guido@python.org>
parents: 5368
diff changeset
3067 Py_XINCREF(tstate->exc_value);
b7871ca930ad Massive changes for separate thread state management.
Guido van Rossum <guido@python.org>
parents: 5368
diff changeset
3068 Py_XINCREF(tstate->exc_traceback);
b7871ca930ad Massive changes for separate thread state management.
Guido van Rossum <guido@python.org>
parents: 5368
diff changeset
3069 frame->f_exc_type = tstate->exc_type;
b7871ca930ad Massive changes for separate thread state management.
Guido van Rossum <guido@python.org>
parents: 5368
diff changeset
3070 frame->f_exc_value = tstate->exc_value;
b7871ca930ad Massive changes for separate thread state management.
Guido van Rossum <guido@python.org>
parents: 5368
diff changeset
3071 frame->f_exc_traceback = tstate->exc_traceback;
b7871ca930ad Massive changes for separate thread state management.
Guido van Rossum <guido@python.org>
parents: 5368
diff changeset
3072 }
38418
708eaf0896bf Patch 1145039.
Tim Peters <tim.peters@gmail.com>
parents: 38352
diff changeset
3073 /* Set new exception for this thread. */
5557
4329e4077cf3 Plug leak of stack frame object in exception handling code.
Guido van Rossum <guido@python.org>
parents: 5551
diff changeset
3074 tmp_type = tstate->exc_type;
4329e4077cf3 Plug leak of stack frame object in exception handling code.
Guido van Rossum <guido@python.org>
parents: 5551
diff changeset
3075 tmp_value = tstate->exc_value;
4329e4077cf3 Plug leak of stack frame object in exception handling code.
Guido van Rossum <guido@python.org>
parents: 5551
diff changeset
3076 tmp_tb = tstate->exc_traceback;
38418
708eaf0896bf Patch 1145039.
Tim Peters <tim.peters@gmail.com>
parents: 38352
diff changeset
3077 Py_INCREF(type);
5405
b7871ca930ad Massive changes for separate thread state management.
Guido van Rossum <guido@python.org>
parents: 5368
diff changeset
3078 Py_XINCREF(value);
b7871ca930ad Massive changes for separate thread state management.
Guido van Rossum <guido@python.org>
parents: 5368
diff changeset
3079 Py_XINCREF(tb);
b7871ca930ad Massive changes for separate thread state management.
Guido van Rossum <guido@python.org>
parents: 5368
diff changeset
3080 tstate->exc_type = type;
b7871ca930ad Massive changes for separate thread state management.
Guido van Rossum <guido@python.org>
parents: 5368
diff changeset
3081 tstate->exc_value = value;
b7871ca930ad Massive changes for separate thread state management.
Guido van Rossum <guido@python.org>
parents: 5368
diff changeset
3082 tstate->exc_traceback = tb;
5557
4329e4077cf3 Plug leak of stack frame object in exception handling code.
Guido van Rossum <guido@python.org>
parents: 5551
diff changeset
3083 Py_XDECREF(tmp_type);
4329e4077cf3 Plug leak of stack frame object in exception handling code.
Guido van Rossum <guido@python.org>
parents: 5551
diff changeset
3084 Py_XDECREF(tmp_value);
4329e4077cf3 Plug leak of stack frame object in exception handling code.
Guido van Rossum <guido@python.org>
parents: 5551
diff changeset
3085 Py_XDECREF(tmp_tb);
5405
b7871ca930ad Massive changes for separate thread state management.
Guido van Rossum <guido@python.org>
parents: 5368
diff changeset
3086 /* For b/w compatibility */
b7871ca930ad Massive changes for separate thread state management.
Guido van Rossum <guido@python.org>
parents: 5368
diff changeset
3087 PySys_SetObject("exc_type", type);
b7871ca930ad Massive changes for separate thread state management.
Guido van Rossum <guido@python.org>
parents: 5368
diff changeset
3088 PySys_SetObject("exc_value", value);
b7871ca930ad Massive changes for separate thread state management.
Guido van Rossum <guido@python.org>
parents: 5368
diff changeset
3089 PySys_SetObject("exc_traceback", tb);
b7871ca930ad Massive changes for separate thread state management.
Guido van Rossum <guido@python.org>
parents: 5368
diff changeset
3090 }
b7871ca930ad Massive changes for separate thread state management.
Guido van Rossum <guido@python.org>
parents: 5368
diff changeset
3091
38425
ca657e0bd09c needforspeed: backed out the Py_LOCAL-isation of ceval; the massive in-
Fredrik Lundh <fredrik@pythonware.com>
parents: 38418
diff changeset
3092 static void
13658
f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern'
Thomas Wouters <thomas@python.org>
parents: 13620
diff changeset
3093 reset_exc_info(PyThreadState *tstate)
5405
b7871ca930ad Massive changes for separate thread state management.
Guido van Rossum <guido@python.org>
parents: 5368
diff changeset
3094 {
b7871ca930ad Massive changes for separate thread state management.
Guido van Rossum <guido@python.org>
parents: 5368
diff changeset
3095 PyFrameObject *frame;
5557
4329e4077cf3 Plug leak of stack frame object in exception handling code.
Guido van Rossum <guido@python.org>
parents: 5551
diff changeset
3096 PyObject *tmp_type, *tmp_value, *tmp_tb;
38418
708eaf0896bf Patch 1145039.
Tim Peters <tim.peters@gmail.com>
parents: 38352
diff changeset
3097
708eaf0896bf Patch 1145039.
Tim Peters <tim.peters@gmail.com>
parents: 38352
diff changeset
3098 /* It's a precondition that the thread state's frame caught an
708eaf0896bf Patch 1145039.
Tim Peters <tim.peters@gmail.com>
parents: 38352
diff changeset
3099 * exception -- verify in a debug build.
708eaf0896bf Patch 1145039.
Tim Peters <tim.peters@gmail.com>
parents: 38352
diff changeset
3100 */
708eaf0896bf Patch 1145039.
Tim Peters <tim.peters@gmail.com>
parents: 38352
diff changeset
3101 assert(tstate != NULL);
5405
b7871ca930ad Massive changes for separate thread state management.
Guido van Rossum <guido@python.org>
parents: 5368
diff changeset
3102 frame = tstate->frame;
38418
708eaf0896bf Patch 1145039.
Tim Peters <tim.peters@gmail.com>
parents: 38352
diff changeset
3103 assert(frame != NULL);
708eaf0896bf Patch 1145039.
Tim Peters <tim.peters@gmail.com>
parents: 38352
diff changeset
3104 assert(frame->f_exc_type != NULL);
708eaf0896bf Patch 1145039.
Tim Peters <tim.peters@gmail.com>
parents: 38352
diff changeset
3105
708eaf0896bf Patch 1145039.
Tim Peters <tim.peters@gmail.com>
parents: 38352
diff changeset
3106 /* Copy the frame's exception info back to the thread state. */
708eaf0896bf Patch 1145039.
Tim Peters <tim.peters@gmail.com>
parents: 38352
diff changeset
3107 tmp_type = tstate->exc_type;
708eaf0896bf Patch 1145039.
Tim Peters <tim.peters@gmail.com>
parents: 38352
diff changeset
3108 tmp_value = tstate->exc_value;
708eaf0896bf Patch 1145039.
Tim Peters <tim.peters@gmail.com>
parents: 38352
diff changeset
3109 tmp_tb = tstate->exc_traceback;
708eaf0896bf Patch 1145039.
Tim Peters <tim.peters@gmail.com>
parents: 38352
diff changeset
3110 Py_INCREF(frame->f_exc_type);
708eaf0896bf Patch 1145039.
Tim Peters <tim.peters@gmail.com>
parents: 38352
diff changeset
3111 Py_XINCREF(frame->f_exc_value);
708eaf0896bf Patch 1145039.
Tim Peters <tim.peters@gmail.com>
parents: 38352
diff changeset
3112 Py_XINCREF(frame->f_exc_traceback);
708eaf0896bf Patch 1145039.
Tim Peters <tim.peters@gmail.com>
parents: 38352
diff changeset
3113 tstate->exc_type = frame->f_exc_type;
708eaf0896bf Patch 1145039.
Tim Peters <tim.peters@gmail.com>
parents: 38352
diff changeset
3114 tstate->exc_value = frame->f_exc_value;
708eaf0896bf Patch 1145039.
Tim Peters <tim.peters@gmail.com>
parents: 38352
diff changeset
3115 tstate->exc_traceback = frame->f_exc_traceback;
708eaf0896bf Patch 1145039.
Tim Peters <tim.peters@gmail.com>
parents: 38352
diff changeset
3116 Py_XDECREF(tmp_type);
708eaf0896bf Patch 1145039.
Tim Peters <tim.peters@gmail.com>
parents: 38352
diff changeset
3117 Py_XDECREF(tmp_value);
708eaf0896bf Patch 1145039.
Tim Peters <tim.peters@gmail.com>
parents: 38352
diff changeset
3118 Py_XDECREF(tmp_tb);
708eaf0896bf Patch 1145039.
Tim Peters <tim.peters@gmail.com>
parents: 38352
diff changeset
3119
708eaf0896bf Patch 1145039.
Tim Peters <tim.peters@gmail.com>
parents: 38352
diff changeset
3120 /* For b/w compatibility */
708eaf0896bf Patch 1145039.
Tim Peters <tim.peters@gmail.com>
parents: 38352
diff changeset
3121 PySys_SetObject("exc_type", frame->f_exc_type);
708eaf0896bf Patch 1145039.
Tim Peters <tim.peters@gmail.com>
parents: 38352
diff changeset
3122 PySys_SetObject("exc_value", frame->f_exc_value);
708eaf0896bf Patch 1145039.
Tim Peters <tim.peters@gmail.com>
parents: 38352
diff changeset
3123 PySys_SetObject("exc_traceback", frame->f_exc_traceback);
708eaf0896bf Patch 1145039.
Tim Peters <tim.peters@gmail.com>
parents: 38352
diff changeset
3124
708eaf0896bf Patch 1145039.
Tim Peters <tim.peters@gmail.com>
parents: 38352
diff changeset
3125 /* Clear the frame's exception info. */
5557
4329e4077cf3 Plug leak of stack frame object in exception handling code.
Guido van Rossum <guido@python.org>
parents: 5551
diff changeset
3126 tmp_type = frame->f_exc_type;
4329e4077cf3 Plug leak of stack frame object in exception handling code.
Guido van Rossum <guido@python.org>
parents: 5551
diff changeset
3127 tmp_value = frame->f_exc_value;
4329e4077cf3 Plug leak of stack frame object in exception handling code.
Guido van Rossum <guido@python.org>
parents: 5551
diff changeset
3128 tmp_tb = frame->f_exc_traceback;
5405
b7871ca930ad Massive changes for separate thread state management.
Guido van Rossum <guido@python.org>
parents: 5368
diff changeset
3129 frame->f_exc_type = NULL;
b7871ca930ad Massive changes for separate thread state management.
Guido van Rossum <guido@python.org>
parents: 5368
diff changeset
3130 frame->f_exc_value = NULL;
b7871ca930ad Massive changes for separate thread state management.
Guido van Rossum <guido@python.org>
parents: 5368
diff changeset
3131 frame->f_exc_traceback = NULL;
38418
708eaf0896bf Patch 1145039.
Tim Peters <tim.peters@gmail.com>
parents: 38352
diff changeset
3132 Py_DECREF(tmp_type);
5557
4329e4077cf3 Plug leak of stack frame object in exception handling code.
Guido van Rossum <guido@python.org>
parents: 5551
diff changeset
3133 Py_XDECREF(tmp_value);
4329e4077cf3 Plug leak of stack frame object in exception handling code.
Guido van Rossum <guido@python.org>
parents: 5551
diff changeset
3134 Py_XDECREF(tmp_tb);
5405
b7871ca930ad Massive changes for separate thread state management.
Guido van Rossum <guido@python.org>
parents: 5368
diff changeset
3135 }
b7871ca930ad Massive changes for separate thread state management.
Guido van Rossum <guido@python.org>
parents: 5368
diff changeset
3136
4667
c42379e4653b Moved the raise logic out of the main interpreter loop to a separate function.
Guido van Rossum <guido@python.org>
parents: 4594
diff changeset
3137 /* Logic for the raise statement (too complicated for inlining).
c42379e4653b Moved the raise logic out of the main interpreter loop to a separate function.
Guido van Rossum <guido@python.org>
parents: 4594
diff changeset
3138 This *consumes* a reference count to each of its arguments. */
38425
ca657e0bd09c needforspeed: backed out the Py_LOCAL-isation of ceval; the massive in-
Fredrik Lundh <fredrik@pythonware.com>
parents: 38418
diff changeset
3139 static enum why_code
13658
f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern'
Thomas Wouters <thomas@python.org>
parents: 13620
diff changeset
3140 do_raise(PyObject *type, PyObject *value, PyObject *tb)
4667
c42379e4653b Moved the raise logic out of the main interpreter loop to a separate function.
Guido van Rossum <guido@python.org>
parents: 4594
diff changeset
3141 {
7946
ad114620f8c2 Make first raise argument optional
Guido van Rossum <guido@python.org>
parents: 7014
diff changeset
3142 if (type == NULL) {
ad114620f8c2 Make first raise argument optional
Guido van Rossum <guido@python.org>
parents: 7014
diff changeset
3143 /* Reraise */
31797
846b3ee7e106 Changed random calls to PyThreadState_Get() to use the macro
Nicholas Bastin <nick.bastin@gmail.com>
parents: 31796
diff changeset
3144 PyThreadState *tstate = PyThreadState_GET();
7946
ad114620f8c2 Make first raise argument optional
Guido van Rossum <guido@python.org>
parents: 7014
diff changeset
3145 type = tstate->exc_type == NULL ? Py_None : tstate->exc_type;
ad114620f8c2 Make first raise argument optional
Guido van Rossum <guido@python.org>
parents: 7014
diff changeset
3146 value = tstate->exc_value;
ad114620f8c2 Make first raise argument optional
Guido van Rossum <guido@python.org>
parents: 7014
diff changeset
3147 tb = tstate->exc_traceback;
ad114620f8c2 Make first raise argument optional
Guido van Rossum <guido@python.org>
parents: 7014
diff changeset
3148 Py_XINCREF(type);
ad114620f8c2 Make first raise argument optional
Guido van Rossum <guido@python.org>
parents: 7014
diff changeset
3149 Py_XINCREF(value);
ad114620f8c2 Make first raise argument optional
Guido van Rossum <guido@python.org>
parents: 7014
diff changeset
3150 Py_XINCREF(tb);
ad114620f8c2 Make first raise argument optional
Guido van Rossum <guido@python.org>
parents: 7014
diff changeset
3151 }
15948
3bc2440427d3 Rich comparisons fall-out:
Guido van Rossum <guido@python.org>
parents: 15899
diff changeset
3152
4667
c42379e4653b Moved the raise logic out of the main interpreter loop to a separate function.
Guido van Rossum <guido@python.org>
parents: 4594
diff changeset
3153 /* We support the following forms of raise:
c42379e4653b Moved the raise logic out of the main interpreter loop to a separate function.
Guido van Rossum <guido@python.org>
parents: 4594
diff changeset
3154 raise <class>, <classinstance>
c42379e4653b Moved the raise logic out of the main interpreter loop to a separate function.
Guido van Rossum <guido@python.org>
parents: 4594
diff changeset
3155 raise <class>, <argument tuple>
c42379e4653b Moved the raise logic out of the main interpreter loop to a separate function.
Guido van Rossum <guido@python.org>
parents: 4594
diff changeset
3156 raise <class>, None
c42379e4653b Moved the raise logic out of the main interpreter loop to a separate function.
Guido van Rossum <guido@python.org>
parents: 4594
diff changeset
3157 raise <class>, <argument>
c42379e4653b Moved the raise logic out of the main interpreter loop to a separate function.
Guido van Rossum <guido@python.org>
parents: 4594
diff changeset
3158 raise <classinstance>, None
c42379e4653b Moved the raise logic out of the main interpreter loop to a separate function.
Guido van Rossum <guido@python.org>
parents: 4594
diff changeset
3159 raise <string>, <object>
c42379e4653b Moved the raise logic out of the main interpreter loop to a separate function.
Guido van Rossum <guido@python.org>
parents: 4594
diff changeset
3160 raise <string>, None
c42379e4653b Moved the raise logic out of the main interpreter loop to a separate function.
Guido van Rossum <guido@python.org>
parents: 4594
diff changeset
3161
c42379e4653b Moved the raise logic out of the main interpreter loop to a separate function.
Guido van Rossum <guido@python.org>
parents: 4594
diff changeset
3162 An omitted second argument is the same as None.
c42379e4653b Moved the raise logic out of the main interpreter loop to a separate function.
Guido van Rossum <guido@python.org>
parents: 4594
diff changeset
3163
c42379e4653b Moved the raise logic out of the main interpreter loop to a separate function.
Guido van Rossum <guido@python.org>
parents: 4594
diff changeset
3164 In addition, raise <tuple>, <anything> is the same as
c42379e4653b Moved the raise logic out of the main interpreter loop to a separate function.
Guido van Rossum <guido@python.org>
parents: 4594
diff changeset
3165 raising the tuple's first item (and it better have one!);
c42379e4653b Moved the raise logic out of the main interpreter loop to a separate function.
Guido van Rossum <guido@python.org>
parents: 4594
diff changeset
3166 this rule is applied recursively.
c42379e4653b Moved the raise logic out of the main interpreter loop to a separate function.
Guido van Rossum <guido@python.org>
parents: 4594
diff changeset
3167
c42379e4653b Moved the raise logic out of the main interpreter loop to a separate function.
Guido van Rossum <guido@python.org>
parents: 4594
diff changeset
3168 Finally, an optional third argument can be supplied, which
c42379e4653b Moved the raise logic out of the main interpreter loop to a separate function.
Guido van Rossum <guido@python.org>
parents: 4594
diff changeset
3169 gives the traceback to be substituted (useful when
c42379e4653b Moved the raise logic out of the main interpreter loop to a separate function.
Guido van Rossum <guido@python.org>
parents: 4594
diff changeset
3170 re-raising an exception after examining it). */
c42379e4653b Moved the raise logic out of the main interpreter loop to a separate function.
Guido van Rossum <guido@python.org>
parents: 4594
diff changeset
3171
c42379e4653b Moved the raise logic out of the main interpreter loop to a separate function.
Guido van Rossum <guido@python.org>
parents: 4594
diff changeset
3172 /* First, check the traceback argument, replacing None with
c42379e4653b Moved the raise logic out of the main interpreter loop to a separate function.
Guido van Rossum <guido@python.org>
parents: 4594
diff changeset
3173 NULL. */
5368
f2132d1f66a6 Quickly renamed.
Guido van Rossum <guido@python.org>
parents: 5177
diff changeset
3174 if (tb == Py_None) {
f2132d1f66a6 Quickly renamed.
Guido van Rossum <guido@python.org>
parents: 5177
diff changeset
3175 Py_DECREF(tb);
4667
c42379e4653b Moved the raise logic out of the main interpreter loop to a separate function.
Guido van Rossum <guido@python.org>
parents: 4594
diff changeset
3176 tb = NULL;
c42379e4653b Moved the raise logic out of the main interpreter loop to a separate function.
Guido van Rossum <guido@python.org>
parents: 4594
diff changeset
3177 }
c42379e4653b Moved the raise logic out of the main interpreter loop to a separate function.
Guido van Rossum <guido@python.org>
parents: 4594
diff changeset
3178 else if (tb != NULL && !PyTraceBack_Check(tb)) {
5368
f2132d1f66a6 Quickly renamed.
Guido van Rossum <guido@python.org>
parents: 5177
diff changeset
3179 PyErr_SetString(PyExc_TypeError,
15318
8aa947e1eee8 Ka-Ping Yee <ping@lfw.org>:
Fred Drake <fdrake@acm.org>
parents: 15166
diff changeset
3180 "raise: arg 3 must be a traceback or None");
4667
c42379e4653b Moved the raise logic out of the main interpreter loop to a separate function.
Guido van Rossum <guido@python.org>
parents: 4594
diff changeset
3181 goto raise_error;
c42379e4653b Moved the raise logic out of the main interpreter loop to a separate function.
Guido van Rossum <guido@python.org>
parents: 4594
diff changeset
3182 }
c42379e4653b Moved the raise logic out of the main interpreter loop to a separate function.
Guido van Rossum <guido@python.org>
parents: 4594
diff changeset
3183
c42379e4653b Moved the raise logic out of the main interpreter loop to a separate function.
Guido van Rossum <guido@python.org>
parents: 4594
diff changeset
3184 /* Next, replace a missing value with None */
c42379e4653b Moved the raise logic out of the main interpreter loop to a separate function.
Guido van Rossum <guido@python.org>
parents: 4594
diff changeset
3185 if (value == NULL) {
5368
f2132d1f66a6 Quickly renamed.
Guido van Rossum <guido@python.org>
parents: 5177
diff changeset
3186 value = Py_None;
f2132d1f66a6 Quickly renamed.
Guido van Rossum <guido@python.org>
parents: 5177
diff changeset
3187 Py_INCREF(value);
4667
c42379e4653b Moved the raise logic out of the main interpreter loop to a separate function.
Guido van Rossum <guido@python.org>
parents: 4594
diff changeset
3188 }
c42379e4653b Moved the raise logic out of the main interpreter loop to a separate function.
Guido van Rossum <guido@python.org>
parents: 4594
diff changeset
3189
c42379e4653b Moved the raise logic out of the main interpreter loop to a separate function.
Guido van Rossum <guido@python.org>
parents: 4594
diff changeset
3190 /* Next, repeatedly, replace a tuple exception with its first item */
5368
f2132d1f66a6 Quickly renamed.
Guido van Rossum <guido@python.org>
parents: 5177
diff changeset
3191 while (PyTuple_Check(type) && PyTuple_Size(type) > 0) {
f2132d1f66a6 Quickly renamed.
Guido van Rossum <guido@python.org>
parents: 5177
diff changeset
3192 PyObject *tmp = type;
f2132d1f66a6 Quickly renamed.
Guido van Rossum <guido@python.org>
parents: 5177
diff changeset
3193 type = PyTuple_GET_ITEM(type, 0);
f2132d1f66a6 Quickly renamed.
Guido van Rossum <guido@python.org>
parents: 5177
diff changeset
3194 Py_INCREF(type);
f2132d1f66a6 Quickly renamed.
Guido van Rossum <guido@python.org>
parents: 5177
diff changeset
3195 Py_DECREF(tmp);
4667
c42379e4653b Moved the raise logic out of the main interpreter loop to a separate function.
Guido van Rossum <guido@python.org>
parents: 4594
diff changeset
3196 }
c42379e4653b Moved the raise logic out of the main interpreter loop to a separate function.
Guido van Rossum <guido@python.org>
parents: 4594
diff changeset
3197
40735
bd3739a87259 No more raising of string exceptions!
Brett Cannon <bcannon@gmail.com>
parents: 40560
diff changeset
3198 if (PyExceptionClass_Check(type))
6147
b76a44163e0f cmp_exception gets promoted (essentially) to the C API function
Barry Warsaw <barry@python.org>
parents: 6139
diff changeset
3199 PyErr_NormalizeException(&type, &value, &tb);
b76a44163e0f cmp_exception gets promoted (essentially) to the C API function
Barry Warsaw <barry@python.org>
parents: 6139
diff changeset
3200
36751
8e04de2480e4 PEP 352 implementation. Creates a new base class, BaseException, which has an
Brett Cannon <bcannon@gmail.com>
parents: 36737
diff changeset
3201 else if (PyExceptionInstance_Check(type)) {
4667
c42379e4653b Moved the raise logic out of the main interpreter loop to a separate function.
Guido van Rossum <guido@python.org>
parents: 4594
diff changeset
3202 /* Raising an instance. The value should be a dummy. */
5368
f2132d1f66a6 Quickly renamed.
Guido van Rossum <guido@python.org>
parents: 5177
diff changeset
3203 if (value != Py_None) {
f2132d1f66a6 Quickly renamed.
Guido van Rossum <guido@python.org>
parents: 5177
diff changeset
3204 PyErr_SetString(PyExc_TypeError,
4667
c42379e4653b Moved the raise logic out of the main interpreter loop to a separate function.
Guido van Rossum <guido@python.org>
parents: 4594
diff changeset
3205 "instance exception may not have a separate value");
c42379e4653b Moved the raise logic out of the main interpreter loop to a separate function.
Guido van Rossum <guido@python.org>
parents: 4594
diff changeset
3206 goto raise_error;
c42379e4653b Moved the raise logic out of the main interpreter loop to a separate function.
Guido van Rossum <guido@python.org>
parents: 4594
diff changeset
3207 }
c42379e4653b Moved the raise logic out of the main interpreter loop to a separate function.
Guido van Rossum <guido@python.org>
parents: 4594
diff changeset
3208 else {
c42379e4653b Moved the raise logic out of the main interpreter loop to a separate function.
Guido van Rossum <guido@python.org>
parents: 4594
diff changeset
3209 /* Normalize to raise <class>, <instance> */
5368
f2132d1f66a6 Quickly renamed.
Guido van Rossum <guido@python.org>
parents: 5177
diff changeset
3210 Py_DECREF(value);
4667
c42379e4653b Moved the raise logic out of the main interpreter loop to a separate function.
Guido van Rossum <guido@python.org>
parents: 4594
diff changeset
3211 value = type;
36751
8e04de2480e4 PEP 352 implementation. Creates a new base class, BaseException, which has an
Brett Cannon <bcannon@gmail.com>
parents: 36737
diff changeset
3212 type = PyExceptionInstance_Class(type);
5368
f2132d1f66a6 Quickly renamed.
Guido van Rossum <guido@python.org>
parents: 5177
diff changeset
3213 Py_INCREF(type);
4667
c42379e4653b Moved the raise logic out of the main interpreter loop to a separate function.
Guido van Rossum <guido@python.org>
parents: 4594
diff changeset
3214 }
c42379e4653b Moved the raise logic out of the main interpreter loop to a separate function.
Guido van Rossum <guido@python.org>
parents: 4594
diff changeset
3215 }
c42379e4653b Moved the raise logic out of the main interpreter loop to a separate function.
Guido van Rossum <guido@python.org>
parents: 4594
diff changeset
3216 else {
c42379e4653b Moved the raise logic out of the main interpreter loop to a separate function.
Guido van Rossum <guido@python.org>
parents: 4594
diff changeset
3217 /* Not something you can raise. You get an exception
c42379e4653b Moved the raise logic out of the main interpreter loop to a separate function.
Guido van Rossum <guido@python.org>
parents: 4594
diff changeset
3218 anyway, just not what you specified :-) */
17636
9921a9d27f72 improved error message-- names the type of the unexpected object
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17617
diff changeset
3219 PyErr_Format(PyExc_TypeError,
46578
7670005da8c5 A little reformating of Py3k warnings
Benjamin Peterson <benjamin@python.org>
parents: 46573
diff changeset
3220 "exceptions must be classes or instances, not %s",
7670005da8c5 A little reformating of Py3k warnings
Benjamin Peterson <benjamin@python.org>
parents: 46573
diff changeset
3221 type->ob_type->tp_name);
4667
c42379e4653b Moved the raise logic out of the main interpreter loop to a separate function.
Guido van Rossum <guido@python.org>
parents: 4594
diff changeset
3222 goto raise_error;
c42379e4653b Moved the raise logic out of the main interpreter loop to a separate function.
Guido van Rossum <guido@python.org>
parents: 4594
diff changeset
3223 }
45827
27e7dc2e6290 Issue #2341: Add a Py3k warning when raising an exception that doesn't
Guido van Rossum <guido@python.org>
parents: 45820
diff changeset
3224
27e7dc2e6290 Issue #2341: Add a Py3k warning when raising an exception that doesn't
Guido van Rossum <guido@python.org>
parents: 45820
diff changeset
3225 assert(PyExceptionClass_Check(type));
27e7dc2e6290 Issue #2341: Add a Py3k warning when raising an exception that doesn't
Guido van Rossum <guido@python.org>
parents: 45820
diff changeset
3226 if (Py_Py3kWarningFlag && PyClass_Check(type)) {
46573
aef3501d8e77 Use PyErr_WarnPy3k throughout
Benjamin Peterson <benjamin@python.org>
parents: 46075
diff changeset
3227 if (PyErr_WarnEx(PyExc_DeprecationWarning,
46578
7670005da8c5 A little reformating of Py3k warnings
Benjamin Peterson <benjamin@python.org>
parents: 46573
diff changeset
3228 "exceptions must derive from BaseException "
7670005da8c5 A little reformating of Py3k warnings
Benjamin Peterson <benjamin@python.org>
parents: 46573
diff changeset
3229 "in 3.x", 1) < 0)
45827
27e7dc2e6290 Issue #2341: Add a Py3k warning when raising an exception that doesn't
Guido van Rossum <guido@python.org>
parents: 45820
diff changeset
3230 goto raise_error;
27e7dc2e6290 Issue #2341: Add a Py3k warning when raising an exception that doesn't
Guido van Rossum <guido@python.org>
parents: 45820
diff changeset
3231 }
27e7dc2e6290 Issue #2341: Add a Py3k warning when raising an exception that doesn't
Guido van Rossum <guido@python.org>
parents: 45820
diff changeset
3232
5368
f2132d1f66a6 Quickly renamed.
Guido van Rossum <guido@python.org>
parents: 5177
diff changeset
3233 PyErr_Restore(type, value, tb);
4667
c42379e4653b Moved the raise logic out of the main interpreter loop to a separate function.
Guido van Rossum <guido@python.org>
parents: 4594
diff changeset
3234 if (tb == NULL)
c42379e4653b Moved the raise logic out of the main interpreter loop to a separate function.
Guido van Rossum <guido@python.org>
parents: 4594
diff changeset
3235 return WHY_EXCEPTION;
c42379e4653b Moved the raise logic out of the main interpreter loop to a separate function.
Guido van Rossum <guido@python.org>
parents: 4594
diff changeset
3236 else
c42379e4653b Moved the raise logic out of the main interpreter loop to a separate function.
Guido van Rossum <guido@python.org>
parents: 4594
diff changeset
3237 return WHY_RERAISE;
c42379e4653b Moved the raise logic out of the main interpreter loop to a separate function.
Guido van Rossum <guido@python.org>
parents: 4594
diff changeset
3238 raise_error:
5368
f2132d1f66a6 Quickly renamed.
Guido van Rossum <guido@python.org>
parents: 5177
diff changeset
3239 Py_XDECREF(value);
f2132d1f66a6 Quickly renamed.
Guido van Rossum <guido@python.org>
parents: 5177
diff changeset
3240 Py_XDECREF(type);
f2132d1f66a6 Quickly renamed.
Guido van Rossum <guido@python.org>
parents: 5177
diff changeset
3241 Py_XDECREF(tb);
4667
c42379e4653b Moved the raise logic out of the main interpreter loop to a separate function.
Guido van Rossum <guido@python.org>
parents: 4594
diff changeset
3242 return WHY_EXCEPTION;
c42379e4653b Moved the raise logic out of the main interpreter loop to a separate function.
Guido van Rossum <guido@python.org>
parents: 4594
diff changeset
3243 }
c42379e4653b Moved the raise logic out of the main interpreter loop to a separate function.
Guido van Rossum <guido@python.org>
parents: 4594
diff changeset
3244
18195
36e825660a24 Teach the UNPACK_SEQUENCE opcode how to tease an iterable object into
Tim Peters <tim.peters@gmail.com>
parents: 18194
diff changeset
3245 /* Iterate v argcnt times and store the results on the stack (via decreasing
36e825660a24 Teach the UNPACK_SEQUENCE opcode how to tease an iterable object into
Tim Peters <tim.peters@gmail.com>
parents: 18194
diff changeset
3246 sp). Return 1 for success, 0 if error. */
36e825660a24 Teach the UNPACK_SEQUENCE opcode how to tease an iterable object into
Tim Peters <tim.peters@gmail.com>
parents: 18194
diff changeset
3247
38425
ca657e0bd09c needforspeed: backed out the Py_LOCAL-isation of ceval; the massive in-
Fredrik Lundh <fredrik@pythonware.com>
parents: 38418
diff changeset
3248 static int
18195
36e825660a24 Teach the UNPACK_SEQUENCE opcode how to tease an iterable object into
Tim Peters <tim.peters@gmail.com>
parents: 18194
diff changeset
3249 unpack_iterable(PyObject *v, int argcnt, PyObject **sp)
6157
647e60fb3bac eval_code2(): collapsed the implementations of UNPACK_TUPLE and
Barry Warsaw <barry@python.org>
parents: 6147
diff changeset
3250 {
18195
36e825660a24 Teach the UNPACK_SEQUENCE opcode how to tease an iterable object into
Tim Peters <tim.peters@gmail.com>
parents: 18194
diff changeset
3251 int i = 0;
36e825660a24 Teach the UNPACK_SEQUENCE opcode how to tease an iterable object into
Tim Peters <tim.peters@gmail.com>
parents: 18194
diff changeset
3252 PyObject *it; /* iter(v) */
6157
647e60fb3bac eval_code2(): collapsed the implementations of UNPACK_TUPLE and
Barry Warsaw <barry@python.org>
parents: 6147
diff changeset
3253 PyObject *w;
15948
3bc2440427d3 Rich comparisons fall-out:
Guido van Rossum <guido@python.org>
parents: 15899
diff changeset
3254
18195
36e825660a24 Teach the UNPACK_SEQUENCE opcode how to tease an iterable object into
Tim Peters <tim.peters@gmail.com>
parents: 18194
diff changeset
3255 assert(v != NULL);
36e825660a24 Teach the UNPACK_SEQUENCE opcode how to tease an iterable object into
Tim Peters <tim.peters@gmail.com>
parents: 18194
diff changeset
3256
36e825660a24 Teach the UNPACK_SEQUENCE opcode how to tease an iterable object into
Tim Peters <tim.peters@gmail.com>
parents: 18194
diff changeset
3257 it = PyObject_GetIter(v);
36e825660a24 Teach the UNPACK_SEQUENCE opcode how to tease an iterable object into
Tim Peters <tim.peters@gmail.com>
parents: 18194
diff changeset
3258 if (it == NULL)
36e825660a24 Teach the UNPACK_SEQUENCE opcode how to tease an iterable object into
Tim Peters <tim.peters@gmail.com>
parents: 18194
diff changeset
3259 goto Error;
36e825660a24 Teach the UNPACK_SEQUENCE opcode how to tease an iterable object into
Tim Peters <tim.peters@gmail.com>
parents: 18194
diff changeset
3260
36e825660a24 Teach the UNPACK_SEQUENCE opcode how to tease an iterable object into
Tim Peters <tim.peters@gmail.com>
parents: 18194
diff changeset
3261 for (; i < argcnt; i++) {
36e825660a24 Teach the UNPACK_SEQUENCE opcode how to tease an iterable object into
Tim Peters <tim.peters@gmail.com>
parents: 18194
diff changeset
3262 w = PyIter_Next(it);
36e825660a24 Teach the UNPACK_SEQUENCE opcode how to tease an iterable object into
Tim Peters <tim.peters@gmail.com>
parents: 18194
diff changeset
3263 if (w == NULL) {
36e825660a24 Teach the UNPACK_SEQUENCE opcode how to tease an iterable object into
Tim Peters <tim.peters@gmail.com>
parents: 18194
diff changeset
3264 /* Iterator done, via error or exhaustion. */
36e825660a24 Teach the UNPACK_SEQUENCE opcode how to tease an iterable object into
Tim Peters <tim.peters@gmail.com>
parents: 18194
diff changeset
3265 if (!PyErr_Occurred()) {
36e825660a24 Teach the UNPACK_SEQUENCE opcode how to tease an iterable object into
Tim Peters <tim.peters@gmail.com>
parents: 18194
diff changeset
3266 PyErr_Format(PyExc_ValueError,
36e825660a24 Teach the UNPACK_SEQUENCE opcode how to tease an iterable object into
Tim Peters <tim.peters@gmail.com>
parents: 18194
diff changeset
3267 "need more than %d value%s to unpack",
36e825660a24 Teach the UNPACK_SEQUENCE opcode how to tease an iterable object into
Tim Peters <tim.peters@gmail.com>
parents: 18194
diff changeset
3268 i, i == 1 ? "" : "s");
36e825660a24 Teach the UNPACK_SEQUENCE opcode how to tease an iterable object into
Tim Peters <tim.peters@gmail.com>
parents: 18194
diff changeset
3269 }
36e825660a24 Teach the UNPACK_SEQUENCE opcode how to tease an iterable object into
Tim Peters <tim.peters@gmail.com>
parents: 18194
diff changeset
3270 goto Error;
6157
647e60fb3bac eval_code2(): collapsed the implementations of UNPACK_TUPLE and
Barry Warsaw <barry@python.org>
parents: 6147
diff changeset
3271 }
647e60fb3bac eval_code2(): collapsed the implementations of UNPACK_TUPLE and
Barry Warsaw <barry@python.org>
parents: 6147
diff changeset
3272 *--sp = w;
647e60fb3bac eval_code2(): collapsed the implementations of UNPACK_TUPLE and
Barry Warsaw <barry@python.org>
parents: 6147
diff changeset
3273 }
18195
36e825660a24 Teach the UNPACK_SEQUENCE opcode how to tease an iterable object into
Tim Peters <tim.peters@gmail.com>
parents: 18194
diff changeset
3274
36e825660a24 Teach the UNPACK_SEQUENCE opcode how to tease an iterable object into
Tim Peters <tim.peters@gmail.com>
parents: 18194
diff changeset
3275 /* We better have exhausted the iterator now. */
36e825660a24 Teach the UNPACK_SEQUENCE opcode how to tease an iterable object into
Tim Peters <tim.peters@gmail.com>
parents: 18194
diff changeset
3276 w = PyIter_Next(it);
36e825660a24 Teach the UNPACK_SEQUENCE opcode how to tease an iterable object into
Tim Peters <tim.peters@gmail.com>
parents: 18194
diff changeset
3277 if (w == NULL) {
36e825660a24 Teach the UNPACK_SEQUENCE opcode how to tease an iterable object into
Tim Peters <tim.peters@gmail.com>
parents: 18194
diff changeset
3278 if (PyErr_Occurred())
36e825660a24 Teach the UNPACK_SEQUENCE opcode how to tease an iterable object into
Tim Peters <tim.peters@gmail.com>
parents: 18194
diff changeset
3279 goto Error;
36e825660a24 Teach the UNPACK_SEQUENCE opcode how to tease an iterable object into
Tim Peters <tim.peters@gmail.com>
parents: 18194
diff changeset
3280 Py_DECREF(it);
36e825660a24 Teach the UNPACK_SEQUENCE opcode how to tease an iterable object into
Tim Peters <tim.peters@gmail.com>
parents: 18194
diff changeset
3281 return 1;
6157
647e60fb3bac eval_code2(): collapsed the implementations of UNPACK_TUPLE and
Barry Warsaw <barry@python.org>
parents: 6147
diff changeset
3282 }
21170
2dfc600f99ce unpack_iterable(): Add a missing DECREF in an error case. Reported by
Guido van Rossum <guido@python.org>
parents: 21058
diff changeset
3283 Py_DECREF(w);
18195
36e825660a24 Teach the UNPACK_SEQUENCE opcode how to tease an iterable object into
Tim Peters <tim.peters@gmail.com>
parents: 18194
diff changeset
3284 PyErr_SetString(PyExc_ValueError, "too many values to unpack");
6157
647e60fb3bac eval_code2(): collapsed the implementations of UNPACK_TUPLE and
Barry Warsaw <barry@python.org>
parents: 6147
diff changeset
3285 /* fall through */
18195
36e825660a24 Teach the UNPACK_SEQUENCE opcode how to tease an iterable object into
Tim Peters <tim.peters@gmail.com>
parents: 18194
diff changeset
3286 Error:
6160
79592761b331 unpack_sequence(): In finally clause, watch out for Py_DECREF
Barry Warsaw <barry@python.org>
parents: 6157
diff changeset
3287 for (; i > 0; i--, sp++)
79592761b331 unpack_sequence(): In finally clause, watch out for Py_DECREF
Barry Warsaw <barry@python.org>
parents: 6157
diff changeset
3288 Py_DECREF(*sp);
18195
36e825660a24 Teach the UNPACK_SEQUENCE opcode how to tease an iterable object into
Tim Peters <tim.peters@gmail.com>
parents: 18194
diff changeset
3289 Py_XDECREF(it);
6157
647e60fb3bac eval_code2(): collapsed the implementations of UNPACK_TUPLE and
Barry Warsaw <barry@python.org>
parents: 6147
diff changeset
3290 return 0;
647e60fb3bac eval_code2(): collapsed the implementations of UNPACK_TUPLE and
Barry Warsaw <barry@python.org>
parents: 6147
diff changeset
3291 }
647e60fb3bac eval_code2(): collapsed the implementations of UNPACK_TUPLE and
Barry Warsaw <barry@python.org>
parents: 6147
diff changeset
3292
647e60fb3bac eval_code2(): collapsed the implementations of UNPACK_TUPLE and
Barry Warsaw <barry@python.org>
parents: 6147
diff changeset
3293
567
8c179d023583 User trace feature.
Guido van Rossum <guido@python.org>
parents: 565
diff changeset
3294 #ifdef LLTRACE
38425
ca657e0bd09c needforspeed: backed out the Py_LOCAL-isation of ceval; the massive in-
Fredrik Lundh <fredrik@pythonware.com>
parents: 38418
diff changeset
3295 static int
13658
f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern'
Thomas Wouters <thomas@python.org>
parents: 13620
diff changeset
3296 prtrace(PyObject *v, char *str)
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3297 {
86
a6934380c6e7 "Compiling" version
Guido van Rossum <guido@python.org>
parents: 72
diff changeset
3298 printf("%s ", str);
5368
f2132d1f66a6 Quickly renamed.
Guido van Rossum <guido@python.org>
parents: 5177
diff changeset
3299 if (PyObject_Print(v, stdout, 0) != 0)
f2132d1f66a6 Quickly renamed.
Guido van Rossum <guido@python.org>
parents: 5177
diff changeset
3300 PyErr_Clear(); /* Don't know what else to do */
86
a6934380c6e7 "Compiling" version
Guido van Rossum <guido@python.org>
parents: 72
diff changeset
3301 printf("\n");
12579
978253542076 Add useless 'return 1' to prtrace() to shut up VC++.
Guido van Rossum <guido@python.org>
parents: 12576
diff changeset
3302 return 1;
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3303 }
86
a6934380c6e7 "Compiling" version
Guido van Rossum <guido@python.org>
parents: 72
diff changeset
3304 #endif
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3305
38425
ca657e0bd09c needforspeed: backed out the Py_LOCAL-isation of ceval; the massive in-
Fredrik Lundh <fredrik@pythonware.com>
parents: 38418
diff changeset
3306 static void
18326
e427afb5637f Revise the interface to the profiling and tracing support for the
Fred Drake <fdrake@acm.org>
parents: 18293
diff changeset
3307 call_exc_trace(Py_tracefunc func, PyObject *self, PyFrameObject *f)
708
8bcb50f436fa New trace implementation; and profile (in a similat vein).
Guido van Rossum <guido@python.org>
parents: 688
diff changeset
3308 {
5368
f2132d1f66a6 Quickly renamed.
Guido van Rossum <guido@python.org>
parents: 5177
diff changeset
3309 PyObject *type, *value, *traceback, *arg;
708
8bcb50f436fa New trace implementation; and profile (in a similat vein).
Guido van Rossum <guido@python.org>
parents: 688
diff changeset
3310 int err;
5368
f2132d1f66a6 Quickly renamed.
Guido van Rossum <guido@python.org>
parents: 5177
diff changeset
3311 PyErr_Fetch(&type, &value, &traceback);
815
6508c93f9472 Test for NULL coming out of err_get() in call_exc_trace()
Guido van Rossum <guido@python.org>
parents: 814
diff changeset
3312 if (value == NULL) {
5368
f2132d1f66a6 Quickly renamed.
Guido van Rossum <guido@python.org>
parents: 5177
diff changeset
3313 value = Py_None;
f2132d1f66a6 Quickly renamed.
Guido van Rossum <guido@python.org>
parents: 5177
diff changeset
3314 Py_INCREF(value);
815
6508c93f9472 Test for NULL coming out of err_get() in call_exc_trace()
Guido van Rossum <guido@python.org>
parents: 814
diff changeset
3315 }
30683
3b59fa5d25b1 Simplify and speedup uses of Py_BuildValue():
Raymond Hettinger <python@rcn.com>
parents: 29669
diff changeset
3316 arg = PyTuple_Pack(3, type, value, traceback);
2052
d7e91437f0a2 Lots of changes, most minor (fatal() instead of abort(), use of
Guido van Rossum <guido@python.org>
parents: 2006
diff changeset
3317 if (arg == NULL) {
5368
f2132d1f66a6 Quickly renamed.
Guido van Rossum <guido@python.org>
parents: 5177
diff changeset
3318 PyErr_Restore(type, value, traceback);
2052
d7e91437f0a2 Lots of changes, most minor (fatal() instead of abort(), use of
Guido van Rossum <guido@python.org>
parents: 2006
diff changeset
3319 return;
d7e91437f0a2 Lots of changes, most minor (fatal() instead of abort(), use of
Guido van Rossum <guido@python.org>
parents: 2006
diff changeset
3320 }
18326
e427afb5637f Revise the interface to the profiling and tracing support for the
Fred Drake <fdrake@acm.org>
parents: 18293
diff changeset
3321 err = call_trace(func, self, f, PyTrace_EXCEPTION, arg);
5368
f2132d1f66a6 Quickly renamed.
Guido van Rossum <guido@python.org>
parents: 5177
diff changeset
3322 Py_DECREF(arg);
2052
d7e91437f0a2 Lots of changes, most minor (fatal() instead of abort(), use of
Guido van Rossum <guido@python.org>
parents: 2006
diff changeset
3323 if (err == 0)
5368
f2132d1f66a6 Quickly renamed.
Guido van Rossum <guido@python.org>
parents: 5177
diff changeset
3324 PyErr_Restore(type, value, traceback);
2052
d7e91437f0a2 Lots of changes, most minor (fatal() instead of abort(), use of
Guido van Rossum <guido@python.org>
parents: 2006
diff changeset
3325 else {
5368
f2132d1f66a6 Quickly renamed.
Guido van Rossum <guido@python.org>
parents: 5177
diff changeset
3326 Py_XDECREF(type);
f2132d1f66a6 Quickly renamed.
Guido van Rossum <guido@python.org>
parents: 5177
diff changeset
3327 Py_XDECREF(value);
f2132d1f66a6 Quickly renamed.
Guido van Rossum <guido@python.org>
parents: 5177
diff changeset
3328 Py_XDECREF(traceback);
708
8bcb50f436fa New trace implementation; and profile (in a similat vein).
Guido van Rossum <guido@python.org>
parents: 688
diff changeset
3329 }
8bcb50f436fa New trace implementation; and profile (in a similat vein).
Guido van Rossum <guido@python.org>
parents: 688
diff changeset
3330 }
8bcb50f436fa New trace implementation; and profile (in a similat vein).
Guido van Rossum <guido@python.org>
parents: 688
diff changeset
3331
43845
76844a0a579f Merge from py3k branch:
Amaury Forgeot d'Arc <amauryfa@gmail.com>
parents: 43784
diff changeset
3332 static int
20257
e3f63a95455f Fix bug in profiler modifications detected only in debug builds.
Fred Drake <fdrake@acm.org>
parents: 20247
diff changeset
3333 call_trace_protected(Py_tracefunc func, PyObject *obj, PyFrameObject *frame,
35609
23dda92de993 clean-up tracing of C functions. In particular, don't call the trace func
Armin Rigo <arigo@tunes.org>
parents: 35345
diff changeset
3334 int what, PyObject *arg)
20257
e3f63a95455f Fix bug in profiler modifications detected only in debug builds.
Fred Drake <fdrake@acm.org>
parents: 20247
diff changeset
3335 {
e3f63a95455f Fix bug in profiler modifications detected only in debug builds.
Fred Drake <fdrake@acm.org>
parents: 20247
diff changeset
3336 PyObject *type, *value, *traceback;
e3f63a95455f Fix bug in profiler modifications detected only in debug builds.
Fred Drake <fdrake@acm.org>
parents: 20247
diff changeset
3337 int err;
e3f63a95455f Fix bug in profiler modifications detected only in debug builds.
Fred Drake <fdrake@acm.org>
parents: 20247
diff changeset
3338 PyErr_Fetch(&type, &value, &traceback);
35609
23dda92de993 clean-up tracing of C functions. In particular, don't call the trace func
Armin Rigo <arigo@tunes.org>
parents: 35345
diff changeset
3339 err = call_trace(func, obj, frame, what, arg);
20257
e3f63a95455f Fix bug in profiler modifications detected only in debug builds.
Fred Drake <fdrake@acm.org>
parents: 20247
diff changeset
3340 if (err == 0)
43845
76844a0a579f Merge from py3k branch:
Amaury Forgeot d'Arc <amauryfa@gmail.com>
parents: 43784
diff changeset
3341 {
20257
e3f63a95455f Fix bug in profiler modifications detected only in debug builds.
Fred Drake <fdrake@acm.org>
parents: 20247
diff changeset
3342 PyErr_Restore(type, value, traceback);
43845
76844a0a579f Merge from py3k branch:
Amaury Forgeot d'Arc <amauryfa@gmail.com>
parents: 43784
diff changeset
3343 return 0;
76844a0a579f Merge from py3k branch:
Amaury Forgeot d'Arc <amauryfa@gmail.com>
parents: 43784
diff changeset
3344 }
20257
e3f63a95455f Fix bug in profiler modifications detected only in debug builds.
Fred Drake <fdrake@acm.org>
parents: 20247
diff changeset
3345 else {
e3f63a95455f Fix bug in profiler modifications detected only in debug builds.
Fred Drake <fdrake@acm.org>
parents: 20247
diff changeset
3346 Py_XDECREF(type);
e3f63a95455f Fix bug in profiler modifications detected only in debug builds.
Fred Drake <fdrake@acm.org>
parents: 20247
diff changeset
3347 Py_XDECREF(value);
e3f63a95455f Fix bug in profiler modifications detected only in debug builds.
Fred Drake <fdrake@acm.org>
parents: 20247
diff changeset
3348 Py_XDECREF(traceback);
43845
76844a0a579f Merge from py3k branch:
Amaury Forgeot d'Arc <amauryfa@gmail.com>
parents: 43784
diff changeset
3349 return -1;
20257
e3f63a95455f Fix bug in profiler modifications detected only in debug builds.
Fred Drake <fdrake@acm.org>
parents: 20247
diff changeset
3350 }
e3f63a95455f Fix bug in profiler modifications detected only in debug builds.
Fred Drake <fdrake@acm.org>
parents: 20247
diff changeset
3351 }
e3f63a95455f Fix bug in profiler modifications detected only in debug builds.
Fred Drake <fdrake@acm.org>
parents: 20247
diff changeset
3352
38425
ca657e0bd09c needforspeed: backed out the Py_LOCAL-isation of ceval; the massive in-
Fredrik Lundh <fredrik@pythonware.com>
parents: 38418
diff changeset
3353 static int
18326
e427afb5637f Revise the interface to the profiling and tracing support for the
Fred Drake <fdrake@acm.org>
parents: 18293
diff changeset
3354 call_trace(Py_tracefunc func, PyObject *obj, PyFrameObject *frame,
e427afb5637f Revise the interface to the profiling and tracing support for the
Fred Drake <fdrake@acm.org>
parents: 18293
diff changeset
3355 int what, PyObject *arg)
567
8c179d023583 User trace feature.
Guido van Rossum <guido@python.org>
parents: 565
diff changeset
3356 {
18326
e427afb5637f Revise the interface to the profiling and tracing support for the
Fred Drake <fdrake@acm.org>
parents: 18293
diff changeset
3357 register PyThreadState *tstate = frame->f_tstate;
e427afb5637f Revise the interface to the profiling and tracing support for the
Fred Drake <fdrake@acm.org>
parents: 18293
diff changeset
3358 int result;
e427afb5637f Revise the interface to the profiling and tracing support for the
Fred Drake <fdrake@acm.org>
parents: 18293
diff changeset
3359 if (tstate->tracing)
708
8bcb50f436fa New trace implementation; and profile (in a similat vein).
Guido van Rossum <guido@python.org>
parents: 688
diff changeset
3360 return 0;
5405
b7871ca930ad Massive changes for separate thread state management.
Guido van Rossum <guido@python.org>
parents: 5368
diff changeset
3361 tstate->tracing++;
18374
3b295ce2705f This change adjusts the profiling/tracing support so that the common
Fred Drake <fdrake@acm.org>
parents: 18326
diff changeset
3362 tstate->use_tracing = 0;
18326
e427afb5637f Revise the interface to the profiling and tracing support for the
Fred Drake <fdrake@acm.org>
parents: 18293
diff changeset
3363 result = func(obj, frame, what, arg);
18374
3b295ce2705f This change adjusts the profiling/tracing support so that the common
Fred Drake <fdrake@acm.org>
parents: 18326
diff changeset
3364 tstate->use_tracing = ((tstate->c_tracefunc != NULL)
3b295ce2705f This change adjusts the profiling/tracing support so that the common
Fred Drake <fdrake@acm.org>
parents: 18326
diff changeset
3365 || (tstate->c_profilefunc != NULL));
5405
b7871ca930ad Massive changes for separate thread state management.
Guido van Rossum <guido@python.org>
parents: 5368
diff changeset
3366 tstate->tracing--;
18326
e427afb5637f Revise the interface to the profiling and tracing support for the
Fred Drake <fdrake@acm.org>
parents: 18293
diff changeset
3367 return result;
567
8c179d023583 User trace feature.
Guido van Rossum <guido@python.org>
parents: 565
diff changeset
3368 }
8c179d023583 User trace feature.
Guido van Rossum <guido@python.org>
parents: 565
diff changeset
3369
28556
78395e5b4782 - New function sys.call_tracing() allows pdb to debug code
Guido van Rossum <guido@python.org>
parents: 28304
diff changeset
3370 PyObject *
78395e5b4782 - New function sys.call_tracing() allows pdb to debug code
Guido van Rossum <guido@python.org>
parents: 28304
diff changeset
3371 _PyEval_CallTracing(PyObject *func, PyObject *args)
78395e5b4782 - New function sys.call_tracing() allows pdb to debug code
Guido van Rossum <guido@python.org>
parents: 28304
diff changeset
3372 {
78395e5b4782 - New function sys.call_tracing() allows pdb to debug code
Guido van Rossum <guido@python.org>
parents: 28304
diff changeset
3373 PyFrameObject *frame = PyEval_GetFrame();
78395e5b4782 - New function sys.call_tracing() allows pdb to debug code
Guido van Rossum <guido@python.org>
parents: 28304
diff changeset
3374 PyThreadState *tstate = frame->f_tstate;
78395e5b4782 - New function sys.call_tracing() allows pdb to debug code
Guido van Rossum <guido@python.org>
parents: 28304
diff changeset
3375 int save_tracing = tstate->tracing;
78395e5b4782 - New function sys.call_tracing() allows pdb to debug code
Guido van Rossum <guido@python.org>
parents: 28304
diff changeset
3376 int save_use_tracing = tstate->use_tracing;
78395e5b4782 - New function sys.call_tracing() allows pdb to debug code
Guido van Rossum <guido@python.org>
parents: 28304
diff changeset
3377 PyObject *result;
78395e5b4782 - New function sys.call_tracing() allows pdb to debug code
Guido van Rossum <guido@python.org>
parents: 28304
diff changeset
3378
78395e5b4782 - New function sys.call_tracing() allows pdb to debug code
Guido van Rossum <guido@python.org>
parents: 28304
diff changeset
3379 tstate->tracing = 0;
78395e5b4782 - New function sys.call_tracing() allows pdb to debug code
Guido van Rossum <guido@python.org>
parents: 28304
diff changeset
3380 tstate->use_tracing = ((tstate->c_tracefunc != NULL)
78395e5b4782 - New function sys.call_tracing() allows pdb to debug code
Guido van Rossum <guido@python.org>
parents: 28304
diff changeset
3381 || (tstate->c_profilefunc != NULL));
78395e5b4782 - New function sys.call_tracing() allows pdb to debug code
Guido van Rossum <guido@python.org>
parents: 28304
diff changeset
3382 result = PyObject_Call(func, args, NULL);
78395e5b4782 - New function sys.call_tracing() allows pdb to debug code
Guido van Rossum <guido@python.org>
parents: 28304
diff changeset
3383 tstate->tracing = save_tracing;
78395e5b4782 - New function sys.call_tracing() allows pdb to debug code
Guido van Rossum <guido@python.org>
parents: 28304
diff changeset
3384 tstate->use_tracing = save_use_tracing;
78395e5b4782 - New function sys.call_tracing() allows pdb to debug code
Guido van Rossum <guido@python.org>
parents: 28304
diff changeset
3385 return result;
78395e5b4782 - New function sys.call_tracing() allows pdb to debug code
Guido van Rossum <guido@python.org>
parents: 28304
diff changeset
3386 }
78395e5b4782 - New function sys.call_tracing() allows pdb to debug code
Guido van Rossum <guido@python.org>
parents: 28304
diff changeset
3387
38425
ca657e0bd09c needforspeed: backed out the Py_LOCAL-isation of ceval; the massive in-
Fredrik Lundh <fredrik@pythonware.com>
parents: 38418
diff changeset
3388 static int
31872
9f5fe6b23e59 Since the fast_yield branch target was introduced, it appears that most
Tim Peters <tim.peters@gmail.com>
parents: 31797
diff changeset
3389 maybe_call_line_trace(Py_tracefunc func, PyObject *obj,
31768
9817dee5d9df Fix SF bug #765624.
Armin Rigo <arigo@tunes.org>
parents: 31714
diff changeset
3390 PyFrameObject *frame, int *instr_lb, int *instr_ub,
9817dee5d9df Fix SF bug #765624.
Armin Rigo <arigo@tunes.org>
parents: 31714
diff changeset
3391 int *instr_prev)
24844
cf5928fab108 This is my patch
Michael W. Hudson <mwh@python.net>
parents: 24718
diff changeset
3392 {
26110
964d6b79c22e This is Richie Hindle's patch:
Michael W. Hudson <mwh@python.net>
parents: 26109
diff changeset
3393 int result = 0;
964d6b79c22e This is Richie Hindle's patch:
Michael W. Hudson <mwh@python.net>
parents: 26109
diff changeset
3394
37838
cc48985c3266 Refactor: Move code that uses co_lnotab from ceval to codeobject
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 37597
diff changeset
3395 /* If the last instruction executed isn't in the current
cc48985c3266 Refactor: Move code that uses co_lnotab from ceval to codeobject
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 37597
diff changeset
3396 instruction window, reset the window. If the last
cc48985c3266 Refactor: Move code that uses co_lnotab from ceval to codeobject
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 37597
diff changeset
3397 instruction happens to fall at the start of a line or if it
cc48985c3266 Refactor: Move code that uses co_lnotab from ceval to codeobject
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 37597
diff changeset
3398 represents a jump backwards, call the trace function.
cc48985c3266 Refactor: Move code that uses co_lnotab from ceval to codeobject
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 37597
diff changeset
3399 */
25078
be2868a63ed5 Further SET_LINENO reomval fixes. See comments in patch #587933.
Michael W. Hudson <mwh@python.net>
parents: 24978
diff changeset
3400 if ((frame->f_lasti < *instr_lb || frame->f_lasti >= *instr_ub)) {
43408
81478465fef3 Whitespace cleanup.
Thomas Wouters <thomas@python.org>
parents: 42333
diff changeset
3401 int line;
81478465fef3 Whitespace cleanup.
Thomas Wouters <thomas@python.org>
parents: 42333
diff changeset
3402 PyAddrPair bounds;
81478465fef3 Whitespace cleanup.
Thomas Wouters <thomas@python.org>
parents: 42333
diff changeset
3403
81478465fef3 Whitespace cleanup.
Thomas Wouters <thomas@python.org>
parents: 42333
diff changeset
3404 line = PyCode_CheckLineNumber(frame->f_code, frame->f_lasti,
81478465fef3 Whitespace cleanup.
Thomas Wouters <thomas@python.org>
parents: 42333
diff changeset
3405 &bounds);
81478465fef3 Whitespace cleanup.
Thomas Wouters <thomas@python.org>
parents: 42333
diff changeset
3406 if (line >= 0) {
25207
1e46da1e6522 A slight change to SET_LINENO-less tracing.
Michael W. Hudson <mwh@python.net>
parents: 25109
diff changeset
3407 frame->f_lineno = line;
31872
9f5fe6b23e59 Since the fast_yield branch target was introduced, it appears that most
Tim Peters <tim.peters@gmail.com>
parents: 31797
diff changeset
3408 result = call_trace(func, obj, frame,
26110
964d6b79c22e This is Richie Hindle's patch:
Michael W. Hudson <mwh@python.net>
parents: 26109
diff changeset
3409 PyTrace_LINE, Py_None);
43408
81478465fef3 Whitespace cleanup.
Thomas Wouters <thomas@python.org>
parents: 42333
diff changeset
3410 }
81478465fef3 Whitespace cleanup.
Thomas Wouters <thomas@python.org>
parents: 42333
diff changeset
3411 *instr_lb = bounds.ap_lower;
81478465fef3 Whitespace cleanup.
Thomas Wouters <thomas@python.org>
parents: 42333
diff changeset
3412 *instr_ub = bounds.ap_upper;
24844
cf5928fab108 This is my patch
Michael W. Hudson <mwh@python.net>
parents: 24718
diff changeset
3413 }
31768
9817dee5d9df Fix SF bug #765624.
Armin Rigo <arigo@tunes.org>
parents: 31714
diff changeset
3414 else if (frame->f_lasti <= *instr_prev) {
37838
cc48985c3266 Refactor: Move code that uses co_lnotab from ceval to codeobject
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 37597
diff changeset
3415 result = call_trace(func, obj, frame, PyTrace_LINE, Py_None);
31768
9817dee5d9df Fix SF bug #765624.
Armin Rigo <arigo@tunes.org>
parents: 31714
diff changeset
3416 }
9817dee5d9df Fix SF bug #765624.
Armin Rigo <arigo@tunes.org>
parents: 31714
diff changeset
3417 *instr_prev = frame->f_lasti;
26110
964d6b79c22e This is Richie Hindle's patch:
Michael W. Hudson <mwh@python.net>
parents: 26109
diff changeset
3418 return result;
24844
cf5928fab108 This is my patch
Michael W. Hudson <mwh@python.net>
parents: 24718
diff changeset
3419 }
cf5928fab108 This is my patch
Michael W. Hudson <mwh@python.net>
parents: 24718
diff changeset
3420
18326
e427afb5637f Revise the interface to the profiling and tracing support for the
Fred Drake <fdrake@acm.org>
parents: 18293
diff changeset
3421 void
e427afb5637f Revise the interface to the profiling and tracing support for the
Fred Drake <fdrake@acm.org>
parents: 18293
diff changeset
3422 PyEval_SetProfile(Py_tracefunc func, PyObject *arg)
18136
4cb34314bd97 Instead of initializing & interning the strings passed to the profile
Fred Drake <fdrake@acm.org>
parents: 18128
diff changeset
3423 {
31797
846b3ee7e106 Changed random calls to PyThreadState_Get() to use the macro
Nicholas Bastin <nick.bastin@gmail.com>
parents: 31796
diff changeset
3424 PyThreadState *tstate = PyThreadState_GET();
18326
e427afb5637f Revise the interface to the profiling and tracing support for the
Fred Drake <fdrake@acm.org>
parents: 18293
diff changeset
3425 PyObject *temp = tstate->c_profileobj;
e427afb5637f Revise the interface to the profiling and tracing support for the
Fred Drake <fdrake@acm.org>
parents: 18293
diff changeset
3426 Py_XINCREF(arg);
e427afb5637f Revise the interface to the profiling and tracing support for the
Fred Drake <fdrake@acm.org>
parents: 18293
diff changeset
3427 tstate->c_profilefunc = NULL;
e427afb5637f Revise the interface to the profiling and tracing support for the
Fred Drake <fdrake@acm.org>
parents: 18293
diff changeset
3428 tstate->c_profileobj = NULL;
35125
cdec978b916c Add comments about PyThreadState and the usage of its fields.
Brett Cannon <bcannon@gmail.com>
parents: 34863
diff changeset
3429 /* Must make sure that tracing is not ignored if 'temp' is freed */
18374
3b295ce2705f This change adjusts the profiling/tracing support so that the common
Fred Drake <fdrake@acm.org>
parents: 18326
diff changeset
3430 tstate->use_tracing = tstate->c_tracefunc != NULL;
18326
e427afb5637f Revise the interface to the profiling and tracing support for the
Fred Drake <fdrake@acm.org>
parents: 18293
diff changeset
3431 Py_XDECREF(temp);
e427afb5637f Revise the interface to the profiling and tracing support for the
Fred Drake <fdrake@acm.org>
parents: 18293
diff changeset
3432 tstate->c_profilefunc = func;
e427afb5637f Revise the interface to the profiling and tracing support for the
Fred Drake <fdrake@acm.org>
parents: 18293
diff changeset
3433 tstate->c_profileobj = arg;
35125
cdec978b916c Add comments about PyThreadState and the usage of its fields.
Brett Cannon <bcannon@gmail.com>
parents: 34863
diff changeset
3434 /* Flag that tracing or profiling is turned on */
18374
3b295ce2705f This change adjusts the profiling/tracing support so that the common
Fred Drake <fdrake@acm.org>
parents: 18326
diff changeset
3435 tstate->use_tracing = (func != NULL) || (tstate->c_tracefunc != NULL);
18326
e427afb5637f Revise the interface to the profiling and tracing support for the
Fred Drake <fdrake@acm.org>
parents: 18293
diff changeset
3436 }
e427afb5637f Revise the interface to the profiling and tracing support for the
Fred Drake <fdrake@acm.org>
parents: 18293
diff changeset
3437
e427afb5637f Revise the interface to the profiling and tracing support for the
Fred Drake <fdrake@acm.org>
parents: 18293
diff changeset
3438 void
e427afb5637f Revise the interface to the profiling and tracing support for the
Fred Drake <fdrake@acm.org>
parents: 18293
diff changeset
3439 PyEval_SetTrace(Py_tracefunc func, PyObject *arg)
e427afb5637f Revise the interface to the profiling and tracing support for the
Fred Drake <fdrake@acm.org>
parents: 18293
diff changeset
3440 {
31797
846b3ee7e106 Changed random calls to PyThreadState_Get() to use the macro
Nicholas Bastin <nick.bastin@gmail.com>
parents: 31796
diff changeset
3441 PyThreadState *tstate = PyThreadState_GET();
18326
e427afb5637f Revise the interface to the profiling and tracing support for the
Fred Drake <fdrake@acm.org>
parents: 18293
diff changeset
3442 PyObject *temp = tstate->c_traceobj;
50134
eeef71dd3cce Unblocked and merged revisions 67494 via svnmerge from
Jeffrey Yasskin <jyasskin@gmail.com>
parents: 50111
diff changeset
3443 _Py_TracingPossible += (func != NULL) - (tstate->c_tracefunc != NULL);
18326
e427afb5637f Revise the interface to the profiling and tracing support for the
Fred Drake <fdrake@acm.org>
parents: 18293
diff changeset
3444 Py_XINCREF(arg);
e427afb5637f Revise the interface to the profiling and tracing support for the
Fred Drake <fdrake@acm.org>
parents: 18293
diff changeset
3445 tstate->c_tracefunc = NULL;
e427afb5637f Revise the interface to the profiling and tracing support for the
Fred Drake <fdrake@acm.org>
parents: 18293
diff changeset
3446 tstate->c_traceobj = NULL;
35125
cdec978b916c Add comments about PyThreadState and the usage of its fields.
Brett Cannon <bcannon@gmail.com>
parents: 34863
diff changeset
3447 /* Must make sure that profiling is not ignored if 'temp' is freed */
18374
3b295ce2705f This change adjusts the profiling/tracing support so that the common
Fred Drake <fdrake@acm.org>
parents: 18326
diff changeset
3448 tstate->use_tracing = tstate->c_profilefunc != NULL;
18326
e427afb5637f Revise the interface to the profiling and tracing support for the
Fred Drake <fdrake@acm.org>
parents: 18293
diff changeset
3449 Py_XDECREF(temp);
e427afb5637f Revise the interface to the profiling and tracing support for the
Fred Drake <fdrake@acm.org>
parents: 18293
diff changeset
3450 tstate->c_tracefunc = func;
e427afb5637f Revise the interface to the profiling and tracing support for the
Fred Drake <fdrake@acm.org>
parents: 18293
diff changeset
3451 tstate->c_traceobj = arg;
35125
cdec978b916c Add comments about PyThreadState and the usage of its fields.
Brett Cannon <bcannon@gmail.com>
parents: 34863
diff changeset
3452 /* Flag that tracing or profiling is turned on */
18374
3b295ce2705f This change adjusts the profiling/tracing support so that the common
Fred Drake <fdrake@acm.org>
parents: 18326
diff changeset
3453 tstate->use_tracing = ((func != NULL)
3b295ce2705f This change adjusts the profiling/tracing support so that the common
Fred Drake <fdrake@acm.org>
parents: 18326
diff changeset
3454 || (tstate->c_profilefunc != NULL));
18136
4cb34314bd97 Instead of initializing & interning the strings passed to the profile
Fred Drake <fdrake@acm.org>
parents: 18128
diff changeset
3455 }
4cb34314bd97 Instead of initializing & interning the strings passed to the profile
Fred Drake <fdrake@acm.org>
parents: 18128
diff changeset
3456
5368
f2132d1f66a6 Quickly renamed.
Guido van Rossum <guido@python.org>
parents: 5177
diff changeset
3457 PyObject *
13658
f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern'
Thomas Wouters <thomas@python.org>
parents: 13620
diff changeset
3458 PyEval_GetBuiltins(void)
2098
b7be0382f9ee __builtins__ mods (and sys_checkinterval for ceval.c)
Guido van Rossum <guido@python.org>
parents: 2088
diff changeset
3459 {
27978
4b99a701defe - PyEval_GetFrame() is now declared to return a PyFrameObject *
Guido van Rossum <guido@python.org>
parents: 27781
diff changeset
3460 PyFrameObject *current_frame = PyEval_GetFrame();
2098
b7be0382f9ee __builtins__ mods (and sys_checkinterval for ceval.c)
Guido van Rossum <guido@python.org>
parents: 2088
diff changeset
3461 if (current_frame == NULL)
31797
846b3ee7e106 Changed random calls to PyThreadState_Get() to use the macro
Nicholas Bastin <nick.bastin@gmail.com>
parents: 31796
diff changeset
3462 return PyThreadState_GET()->interp->builtins;
2098
b7be0382f9ee __builtins__ mods (and sys_checkinterval for ceval.c)
Guido van Rossum <guido@python.org>
parents: 2088
diff changeset
3463 else
b7be0382f9ee __builtins__ mods (and sys_checkinterval for ceval.c)
Guido van Rossum <guido@python.org>
parents: 2088
diff changeset
3464 return current_frame->f_builtins;
b7be0382f9ee __builtins__ mods (and sys_checkinterval for ceval.c)
Guido van Rossum <guido@python.org>
parents: 2088
diff changeset
3465 }
b7be0382f9ee __builtins__ mods (and sys_checkinterval for ceval.c)
Guido van Rossum <guido@python.org>
parents: 2088
diff changeset
3466
5368
f2132d1f66a6 Quickly renamed.
Guido van Rossum <guido@python.org>
parents: 5177
diff changeset
3467 PyObject *
13658
f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern'
Thomas Wouters <thomas@python.org>
parents: 13620
diff changeset
3468 PyEval_GetLocals(void)
1263
65a1e4e9cd54 * Fixed some subtleties with fastlocals. You can no longer access
Guido van Rossum <guido@python.org>
parents: 1262
diff changeset
3469 {
27978
4b99a701defe - PyEval_GetFrame() is now declared to return a PyFrameObject *
Guido van Rossum <guido@python.org>
parents: 27781
diff changeset
3470 PyFrameObject *current_frame = PyEval_GetFrame();
1263
65a1e4e9cd54 * Fixed some subtleties with fastlocals. You can no longer access
Guido van Rossum <guido@python.org>
parents: 1262
diff changeset
3471 if (current_frame == NULL)
65a1e4e9cd54 * Fixed some subtleties with fastlocals. You can no longer access
Guido van Rossum <guido@python.org>
parents: 1262
diff changeset
3472 return NULL;
5368
f2132d1f66a6 Quickly renamed.
Guido van Rossum <guido@python.org>
parents: 5177
diff changeset
3473 PyFrame_FastToLocals(current_frame);
1263
65a1e4e9cd54 * Fixed some subtleties with fastlocals. You can no longer access
Guido van Rossum <guido@python.org>
parents: 1262
diff changeset
3474 return current_frame->f_locals;
65a1e4e9cd54 * Fixed some subtleties with fastlocals. You can no longer access
Guido van Rossum <guido@python.org>
parents: 1262
diff changeset
3475 }
65a1e4e9cd54 * Fixed some subtleties with fastlocals. You can no longer access
Guido van Rossum <guido@python.org>
parents: 1262
diff changeset
3476
5368
f2132d1f66a6 Quickly renamed.
Guido van Rossum <guido@python.org>
parents: 5177
diff changeset
3477 PyObject *
13658
f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern'
Thomas Wouters <thomas@python.org>
parents: 13620
diff changeset
3478 PyEval_GetGlobals(void)
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3479 {
27978
4b99a701defe - PyEval_GetFrame() is now declared to return a PyFrameObject *
Guido van Rossum <guido@python.org>
parents: 27781
diff changeset
3480 PyFrameObject *current_frame = PyEval_GetFrame();
86
a6934380c6e7 "Compiling" version
Guido van Rossum <guido@python.org>
parents: 72
diff changeset
3481 if (current_frame == NULL)
a6934380c6e7 "Compiling" version
Guido van Rossum <guido@python.org>
parents: 72
diff changeset
3482 return NULL;
a6934380c6e7 "Compiling" version
Guido van Rossum <guido@python.org>
parents: 72
diff changeset
3483 else
a6934380c6e7 "Compiling" version
Guido van Rossum <guido@python.org>
parents: 72
diff changeset
3484 return current_frame->f_globals;
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3485 }
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3486
27978
4b99a701defe - PyEval_GetFrame() is now declared to return a PyFrameObject *
Guido van Rossum <guido@python.org>
parents: 27781
diff changeset
3487 PyFrameObject *
13658
f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern'
Thomas Wouters <thomas@python.org>
parents: 13620
diff changeset
3488 PyEval_GetFrame(void)
1846
5243fb187d36 call_object: print message before abort()
Guido van Rossum <guido@python.org>
parents: 1425
diff changeset
3489 {
31797
846b3ee7e106 Changed random calls to PyThreadState_Get() to use the macro
Nicholas Bastin <nick.bastin@gmail.com>
parents: 31796
diff changeset
3490 PyThreadState *tstate = PyThreadState_GET();
27978
4b99a701defe - PyEval_GetFrame() is now declared to return a PyFrameObject *
Guido van Rossum <guido@python.org>
parents: 27781
diff changeset
3491 return _PyThreadState_GetFrame(tstate);
1846
5243fb187d36 call_object: print message before abort()
Guido van Rossum <guido@python.org>
parents: 1425
diff changeset
3492 }
5243fb187d36 call_object: print message before abort()
Guido van Rossum <guido@python.org>
parents: 1425
diff changeset
3493
2098
b7be0382f9ee __builtins__ mods (and sys_checkinterval for ceval.c)
Guido van Rossum <guido@python.org>
parents: 2088
diff changeset
3494 int
13658
f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern'
Thomas Wouters <thomas@python.org>
parents: 13620
diff changeset
3495 PyEval_GetRestricted(void)
2098
b7be0382f9ee __builtins__ mods (and sys_checkinterval for ceval.c)
Guido van Rossum <guido@python.org>
parents: 2088
diff changeset
3496 {
27978
4b99a701defe - PyEval_GetFrame() is now declared to return a PyFrameObject *
Guido van Rossum <guido@python.org>
parents: 27781
diff changeset
3497 PyFrameObject *current_frame = PyEval_GetFrame();
38766
79983cf634c0 Get rid of f_restricted too. Doc the other 4 ints that were already removed
Neal Norwitz <nnorwitz@gmail.com>
parents: 38716
diff changeset
3498 return current_frame == NULL ? 0 : PyFrame_IsRestricted(current_frame);
2098
b7be0382f9ee __builtins__ mods (and sys_checkinterval for ceval.c)
Guido van Rossum <guido@python.org>
parents: 2088
diff changeset
3499 }
b7be0382f9ee __builtins__ mods (and sys_checkinterval for ceval.c)
Guido van Rossum <guido@python.org>
parents: 2088
diff changeset
3500
5606
495fbde64a73 Py_FlushLine and PyFile_WriteString now return error indicators
Guido van Rossum <guido@python.org>
parents: 5557
diff changeset
3501 int
18611
fdb36a0c7e6e Part way to allowing "from __future__ import generators" to communicate
Tim Peters <tim.peters@gmail.com>
parents: 18513
diff changeset
3502 PyEval_MergeCompilerFlags(PyCompilerFlags *cf)
17124
a8301d4ed2b1 If a code object is compiled with nested scopes, define the CO_NESTED flag.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17114
diff changeset
3503 {
27978
4b99a701defe - PyEval_GetFrame() is now declared to return a PyFrameObject *
Guido van Rossum <guido@python.org>
parents: 27781
diff changeset
3504 PyFrameObject *current_frame = PyEval_GetFrame();
27781
cc01fb654ce3 patch #683515: "Add unicode support to compile(), eval() and exec"
Just van Rossum <just@letterror.com>
parents: 27712
diff changeset
3505 int result = cf->cf_flags != 0;
18611
fdb36a0c7e6e Part way to allowing "from __future__ import generators" to communicate
Tim Peters <tim.peters@gmail.com>
parents: 18513
diff changeset
3506
fdb36a0c7e6e Part way to allowing "from __future__ import generators" to communicate
Tim Peters <tim.peters@gmail.com>
parents: 18513
diff changeset
3507 if (current_frame != NULL) {
fdb36a0c7e6e Part way to allowing "from __future__ import generators" to communicate
Tim Peters <tim.peters@gmail.com>
parents: 18513
diff changeset
3508 const int codeflags = current_frame->f_code->co_flags;
19350
5b6a6d7d44ae ceval, PyEval_MergeCompilerFlags: wasn't merging in the
Tim Peters <tim.peters@gmail.com>
parents: 19301
diff changeset
3509 const int compilerflags = codeflags & PyCF_MASK;
5b6a6d7d44ae ceval, PyEval_MergeCompilerFlags: wasn't merging in the
Tim Peters <tim.peters@gmail.com>
parents: 19301
diff changeset
3510 if (compilerflags) {
18611
fdb36a0c7e6e Part way to allowing "from __future__ import generators" to communicate
Tim Peters <tim.peters@gmail.com>
parents: 18513
diff changeset
3511 result = 1;
19350
5b6a6d7d44ae ceval, PyEval_MergeCompilerFlags: wasn't merging in the
Tim Peters <tim.peters@gmail.com>
parents: 19301
diff changeset
3512 cf->cf_flags |= compilerflags;
18611
fdb36a0c7e6e Part way to allowing "from __future__ import generators" to communicate
Tim Peters <tim.peters@gmail.com>
parents: 18513
diff changeset
3513 }
22468
eebae4f60d05 Disable the parser hacks that enabled the "yield" keyword using a future
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 22398
diff changeset
3514 #if 0 /* future keyword */
21609
3ba0f1b20320 Patch #494783: Rename cmp_op enumerators.
Martin v. Löwis <martin@v.loewis.de>
parents: 21537
diff changeset
3515 if (codeflags & CO_GENERATOR_ALLOWED) {
3ba0f1b20320 Patch #494783: Rename cmp_op enumerators.
Martin v. Löwis <martin@v.loewis.de>
parents: 21537
diff changeset
3516 result = 1;
3ba0f1b20320 Patch #494783: Rename cmp_op enumerators.
Martin v. Löwis <martin@v.loewis.de>
parents: 21537
diff changeset
3517 cf->cf_flags |= CO_GENERATOR_ALLOWED;
3ba0f1b20320 Patch #494783: Rename cmp_op enumerators.
Martin v. Löwis <martin@v.loewis.de>
parents: 21537
diff changeset
3518 }
22468
eebae4f60d05 Disable the parser hacks that enabled the "yield" keyword using a future
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 22398
diff changeset
3519 #endif
18611
fdb36a0c7e6e Part way to allowing "from __future__ import generators" to communicate
Tim Peters <tim.peters@gmail.com>
parents: 18513
diff changeset
3520 }
fdb36a0c7e6e Part way to allowing "from __future__ import generators" to communicate
Tim Peters <tim.peters@gmail.com>
parents: 18513
diff changeset
3521 return result;
17124
a8301d4ed2b1 If a code object is compiled with nested scopes, define the CO_NESTED flag.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17114
diff changeset
3522 }
a8301d4ed2b1 If a code object is compiled with nested scopes, define the CO_NESTED flag.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17114
diff changeset
3523
a8301d4ed2b1 If a code object is compiled with nested scopes, define the CO_NESTED flag.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17114
diff changeset
3524 int
13658
f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern'
Thomas Wouters <thomas@python.org>
parents: 13620
diff changeset
3525 Py_FlushLine(void)
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3526 {
5368
f2132d1f66a6 Quickly renamed.
Guido van Rossum <guido@python.org>
parents: 5177
diff changeset
3527 PyObject *f = PySys_GetObject("stdout");
5606
495fbde64a73 Py_FlushLine and PyFile_WriteString now return error indicators
Guido van Rossum <guido@python.org>
parents: 5557
diff changeset
3528 if (f == NULL)
495fbde64a73 Py_FlushLine and PyFile_WriteString now return error indicators
Guido van Rossum <guido@python.org>
parents: 5557
diff changeset
3529 return 0;
495fbde64a73 Py_FlushLine and PyFile_WriteString now return error indicators
Guido van Rossum <guido@python.org>
parents: 5557
diff changeset
3530 if (!PyFile_SoftSpace(f, 0))
495fbde64a73 Py_FlushLine and PyFile_WriteString now return error indicators
Guido van Rossum <guido@python.org>
parents: 5557
diff changeset
3531 return 0;
495fbde64a73 Py_FlushLine and PyFile_WriteString now return error indicators
Guido van Rossum <guido@python.org>
parents: 5557
diff changeset
3532 return PyFile_WriteString("\n", f);
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3533 }
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3534
86
a6934380c6e7 "Compiling" version
Guido van Rossum <guido@python.org>
parents: 72
diff changeset
3535
2844
0261bf5b3819 keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents: 2813
diff changeset
3536 /* External interface to call any callable object.
0261bf5b3819 keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents: 2813
diff changeset
3537 The arg must be a tuple or NULL. */
314
e83852d1a5e2 Add interface to call a Python function (or other callable) object
Guido van Rossum <guido@python.org>
parents: 312
diff changeset
3538
6206
77f5b6cbea66 Inline PyObject_CallObject (Marc-Andre Lemburg).
Guido van Rossum <guido@python.org>
parents: 6185
diff changeset
3539 #undef PyEval_CallObject
77f5b6cbea66 Inline PyObject_CallObject (Marc-Andre Lemburg).
Guido van Rossum <guido@python.org>
parents: 6185
diff changeset
3540 /* for backward compatibility: export this interface */
77f5b6cbea66 Inline PyObject_CallObject (Marc-Andre Lemburg).
Guido van Rossum <guido@python.org>
parents: 6185
diff changeset
3541
5368
f2132d1f66a6 Quickly renamed.
Guido van Rossum <guido@python.org>
parents: 5177
diff changeset
3542 PyObject *
13658
f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern'
Thomas Wouters <thomas@python.org>
parents: 13620
diff changeset
3543 PyEval_CallObject(PyObject *func, PyObject *arg)
314
e83852d1a5e2 Add interface to call a Python function (or other callable) object
Guido van Rossum <guido@python.org>
parents: 312
diff changeset
3544 {
5368
f2132d1f66a6 Quickly renamed.
Guido van Rossum <guido@python.org>
parents: 5177
diff changeset
3545 return PyEval_CallObjectWithKeywords(func, arg, (PyObject *)NULL);
2844
0261bf5b3819 keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents: 2813
diff changeset
3546 }
6206
77f5b6cbea66 Inline PyObject_CallObject (Marc-Andre Lemburg).
Guido van Rossum <guido@python.org>
parents: 6185
diff changeset
3547 #define PyEval_CallObject(func,arg) \
77f5b6cbea66 Inline PyObject_CallObject (Marc-Andre Lemburg).
Guido van Rossum <guido@python.org>
parents: 6185
diff changeset
3548 PyEval_CallObjectWithKeywords(func, arg, (PyObject *)NULL)
2844
0261bf5b3819 keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents: 2813
diff changeset
3549
5368
f2132d1f66a6 Quickly renamed.
Guido van Rossum <guido@python.org>
parents: 5177
diff changeset
3550 PyObject *
13658
f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern'
Thomas Wouters <thomas@python.org>
parents: 13620
diff changeset
3551 PyEval_CallObjectWithKeywords(PyObject *func, PyObject *arg, PyObject *kw)
2844
0261bf5b3819 keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents: 2813
diff changeset
3552 {
15711
2481b5fe86d6 Revised implementation of CALL_FUNCTION and friends.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15364
diff changeset
3553 PyObject *result;
2844
0261bf5b3819 keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents: 2813
diff changeset
3554
36877
e9a7a2784e17 SF #1444030: Fix several potential defects found by Coverity.
Hye-Shik Chang <hyeshik@gmail.com>
parents: 36803
diff changeset
3555 if (arg == NULL) {
5368
f2132d1f66a6 Quickly renamed.
Guido van Rossum <guido@python.org>
parents: 5177
diff changeset
3556 arg = PyTuple_New(0);
36877
e9a7a2784e17 SF #1444030: Fix several potential defects found by Coverity.
Hye-Shik Chang <hyeshik@gmail.com>
parents: 36803
diff changeset
3557 if (arg == NULL)
e9a7a2784e17 SF #1444030: Fix several potential defects found by Coverity.
Hye-Shik Chang <hyeshik@gmail.com>
parents: 36803
diff changeset
3558 return NULL;
e9a7a2784e17 SF #1444030: Fix several potential defects found by Coverity.
Hye-Shik Chang <hyeshik@gmail.com>
parents: 36803
diff changeset
3559 }
5368
f2132d1f66a6 Quickly renamed.
Guido van Rossum <guido@python.org>
parents: 5177
diff changeset
3560 else if (!PyTuple_Check(arg)) {
5405
b7871ca930ad Massive changes for separate thread state management.
Guido van Rossum <guido@python.org>
parents: 5368
diff changeset
3561 PyErr_SetString(PyExc_TypeError,
b7871ca930ad Massive changes for separate thread state management.
Guido van Rossum <guido@python.org>
parents: 5368
diff changeset
3562 "argument list must be a tuple");
2844
0261bf5b3819 keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents: 2813
diff changeset
3563 return NULL;
0261bf5b3819 keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents: 2813
diff changeset
3564 }
0261bf5b3819 keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents: 2813
diff changeset
3565 else
5368
f2132d1f66a6 Quickly renamed.
Guido van Rossum <guido@python.org>
parents: 5177
diff changeset
3566 Py_INCREF(arg);
2844
0261bf5b3819 keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents: 2813
diff changeset
3567
5368
f2132d1f66a6 Quickly renamed.
Guido van Rossum <guido@python.org>
parents: 5177
diff changeset
3568 if (kw != NULL && !PyDict_Check(kw)) {
5405
b7871ca930ad Massive changes for separate thread state management.
Guido van Rossum <guido@python.org>
parents: 5368
diff changeset
3569 PyErr_SetString(PyExc_TypeError,
b7871ca930ad Massive changes for separate thread state management.
Guido van Rossum <guido@python.org>
parents: 5368
diff changeset
3570 "keyword list must be a dictionary");
12440
d47460b1a679 Charles Waldman writes:
Guido van Rossum <guido@python.org>
parents: 12320
diff changeset
3571 Py_DECREF(arg);
2894
4095782c940e empty kw dict is ok for builtins
Guido van Rossum <guido@python.org>
parents: 2872
diff changeset
3572 return NULL;
4095782c940e empty kw dict is ok for builtins
Guido van Rossum <guido@python.org>
parents: 2872
diff changeset
3573 }
4095782c940e empty kw dict is ok for builtins
Guido van Rossum <guido@python.org>
parents: 2872
diff changeset
3574
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18611
diff changeset
3575 result = PyObject_Call(func, arg, kw);
15711
2481b5fe86d6 Revised implementation of CALL_FUNCTION and friends.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15364
diff changeset
3576 Py_DECREF(arg);
2481b5fe86d6 Revised implementation of CALL_FUNCTION and friends.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15364
diff changeset
3577 return result;
2481b5fe86d6 Revised implementation of CALL_FUNCTION and friends.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15364
diff changeset
3578 }
2481b5fe86d6 Revised implementation of CALL_FUNCTION and friends.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15364
diff changeset
3579
35999
9541369b0dca Add const to several API functions that take char *.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35745
diff changeset
3580 const char *
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18611
diff changeset
3581 PyEval_GetFuncName(PyObject *func)
17406
c9e07bc303a2 Fix exception handling for non-PyFunction objects, SF bug 414743.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17125
diff changeset
3582 {
c9e07bc303a2 Fix exception handling for non-PyFunction objects, SF bug 414743.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17125
diff changeset
3583 if (PyMethod_Check(func))
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18611
diff changeset
3584 return PyEval_GetFuncName(PyMethod_GET_FUNCTION(func));
17406
c9e07bc303a2 Fix exception handling for non-PyFunction objects, SF bug 414743.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17125
diff changeset
3585 else if (PyFunction_Check(func))
47527
52294af4b663 This reverts r63675 based on the discussion in this thread:
Gregory P. Smith <greg@mad-scientist.com>
parents: 47294
diff changeset
3586 return PyString_AsString(((PyFunctionObject*)func)->func_name);
17406
c9e07bc303a2 Fix exception handling for non-PyFunction objects, SF bug 414743.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17125
diff changeset
3587 else if (PyCFunction_Check(func))
c9e07bc303a2 Fix exception handling for non-PyFunction objects, SF bug 414743.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17125
diff changeset
3588 return ((PyCFunctionObject*)func)->m_ml->ml_name;
c9e07bc303a2 Fix exception handling for non-PyFunction objects, SF bug 414743.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17125
diff changeset
3589 else if (PyClass_Check(func))
47527
52294af4b663 This reverts r63675 based on the discussion in this thread:
Gregory P. Smith <greg@mad-scientist.com>
parents: 47294
diff changeset
3590 return PyString_AsString(((PyClassObject*)func)->cl_name);
17406
c9e07bc303a2 Fix exception handling for non-PyFunction objects, SF bug 414743.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17125
diff changeset
3591 else if (PyInstance_Check(func)) {
47527
52294af4b663 This reverts r63675 based on the discussion in this thread:
Gregory P. Smith <greg@mad-scientist.com>
parents: 47294
diff changeset
3592 return PyString_AsString(
17406
c9e07bc303a2 Fix exception handling for non-PyFunction objects, SF bug 414743.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17125
diff changeset
3593 ((PyInstanceObject*)func)->in_class->cl_name);
c9e07bc303a2 Fix exception handling for non-PyFunction objects, SF bug 414743.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17125
diff changeset
3594 } else {
c9e07bc303a2 Fix exception handling for non-PyFunction objects, SF bug 414743.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17125
diff changeset
3595 return func->ob_type->tp_name;
c9e07bc303a2 Fix exception handling for non-PyFunction objects, SF bug 414743.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17125
diff changeset
3596 }
c9e07bc303a2 Fix exception handling for non-PyFunction objects, SF bug 414743.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17125
diff changeset
3597 }
c9e07bc303a2 Fix exception handling for non-PyFunction objects, SF bug 414743.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17125
diff changeset
3598
35999
9541369b0dca Add const to several API functions that take char *.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35745
diff changeset
3599 const char *
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18611
diff changeset
3600 PyEval_GetFuncDesc(PyObject *func)
17406
c9e07bc303a2 Fix exception handling for non-PyFunction objects, SF bug 414743.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17125
diff changeset
3601 {
c9e07bc303a2 Fix exception handling for non-PyFunction objects, SF bug 414743.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17125
diff changeset
3602 if (PyMethod_Check(func))
c9e07bc303a2 Fix exception handling for non-PyFunction objects, SF bug 414743.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17125
diff changeset
3603 return "()";
c9e07bc303a2 Fix exception handling for non-PyFunction objects, SF bug 414743.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17125
diff changeset
3604 else if (PyFunction_Check(func))
c9e07bc303a2 Fix exception handling for non-PyFunction objects, SF bug 414743.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17125
diff changeset
3605 return "()";
c9e07bc303a2 Fix exception handling for non-PyFunction objects, SF bug 414743.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17125
diff changeset
3606 else if (PyCFunction_Check(func))
c9e07bc303a2 Fix exception handling for non-PyFunction objects, SF bug 414743.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17125
diff changeset
3607 return "()";
c9e07bc303a2 Fix exception handling for non-PyFunction objects, SF bug 414743.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17125
diff changeset
3608 else if (PyClass_Check(func))
c9e07bc303a2 Fix exception handling for non-PyFunction objects, SF bug 414743.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17125
diff changeset
3609 return " constructor";
c9e07bc303a2 Fix exception handling for non-PyFunction objects, SF bug 414743.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17125
diff changeset
3610 else if (PyInstance_Check(func)) {
c9e07bc303a2 Fix exception handling for non-PyFunction objects, SF bug 414743.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17125
diff changeset
3611 return " instance";
c9e07bc303a2 Fix exception handling for non-PyFunction objects, SF bug 414743.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17125
diff changeset
3612 } else {
c9e07bc303a2 Fix exception handling for non-PyFunction objects, SF bug 414743.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17125
diff changeset
3613 return " object";
c9e07bc303a2 Fix exception handling for non-PyFunction objects, SF bug 414743.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17125
diff changeset
3614 }
c9e07bc303a2 Fix exception handling for non-PyFunction objects, SF bug 414743.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17125
diff changeset
3615 }
c9e07bc303a2 Fix exception handling for non-PyFunction objects, SF bug 414743.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17125
diff changeset
3616
38425
ca657e0bd09c needforspeed: backed out the Py_LOCAL-isation of ceval; the massive in-
Fredrik Lundh <fredrik@pythonware.com>
parents: 38418
diff changeset
3617 static void
24870
df2326a4894d Inline fast_cfunction() in new call_function().
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 24868
diff changeset
3618 err_args(PyObject *func, int flags, int nargs)
df2326a4894d Inline fast_cfunction() in new call_function().
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 24868
diff changeset
3619 {
df2326a4894d Inline fast_cfunction() in new call_function().
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 24868
diff changeset
3620 if (flags & METH_NOARGS)
31872
9f5fe6b23e59 Since the fast_yield branch target was introduced, it appears that most
Tim Peters <tim.peters@gmail.com>
parents: 31797
diff changeset
3621 PyErr_Format(PyExc_TypeError,
24978
b1ab4e8d7d9c The error messages in err_args() -- which is only called when the
Guido van Rossum <guido@python.org>
parents: 24916
diff changeset
3622 "%.200s() takes no arguments (%d given)",
31872
9f5fe6b23e59 Since the fast_yield branch target was introduced, it appears that most
Tim Peters <tim.peters@gmail.com>
parents: 31797
diff changeset
3623 ((PyCFunctionObject *)func)->m_ml->ml_name,
24870
df2326a4894d Inline fast_cfunction() in new call_function().
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 24868
diff changeset
3624 nargs);
df2326a4894d Inline fast_cfunction() in new call_function().
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 24868
diff changeset
3625 else
31872
9f5fe6b23e59 Since the fast_yield branch target was introduced, it appears that most
Tim Peters <tim.peters@gmail.com>
parents: 31797
diff changeset
3626 PyErr_Format(PyExc_TypeError,
24978
b1ab4e8d7d9c The error messages in err_args() -- which is only called when the
Guido van Rossum <guido@python.org>
parents: 24916
diff changeset
3627 "%.200s() takes exactly one argument (%d given)",
31872
9f5fe6b23e59 Since the fast_yield branch target was introduced, it appears that most
Tim Peters <tim.peters@gmail.com>
parents: 31797
diff changeset
3628 ((PyCFunctionObject *)func)->m_ml->ml_name,
24870
df2326a4894d Inline fast_cfunction() in new call_function().
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 24868
diff changeset
3629 nargs);
df2326a4894d Inline fast_cfunction() in new call_function().
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 24868
diff changeset
3630 }
df2326a4894d Inline fast_cfunction() in new call_function().
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 24868
diff changeset
3631
35609
23dda92de993 clean-up tracing of C functions. In particular, don't call the trace func
Armin Rigo <arigo@tunes.org>
parents: 35345
diff changeset
3632 #define C_TRACE(x, call) \
32409
77913be294b9 Massive performance improvement for C extension and builtin tracing code
Nicholas Bastin <nick.bastin@gmail.com>
parents: 32398
diff changeset
3633 if (tstate->use_tracing && tstate->c_profilefunc) { \
77913be294b9 Massive performance improvement for C extension and builtin tracing code
Nicholas Bastin <nick.bastin@gmail.com>
parents: 32398
diff changeset
3634 if (call_trace(tstate->c_profilefunc, \
77913be294b9 Massive performance improvement for C extension and builtin tracing code
Nicholas Bastin <nick.bastin@gmail.com>
parents: 32398
diff changeset
3635 tstate->c_profileobj, \
77913be294b9 Massive performance improvement for C extension and builtin tracing code
Nicholas Bastin <nick.bastin@gmail.com>
parents: 32398
diff changeset
3636 tstate->frame, PyTrace_C_CALL, \
35609
23dda92de993 clean-up tracing of C functions. In particular, don't call the trace func
Armin Rigo <arigo@tunes.org>
parents: 35345
diff changeset
3637 func)) { \
23dda92de993 clean-up tracing of C functions. In particular, don't call the trace func
Armin Rigo <arigo@tunes.org>
parents: 35345
diff changeset
3638 x = NULL; \
23dda92de993 clean-up tracing of C functions. In particular, don't call the trace func
Armin Rigo <arigo@tunes.org>
parents: 35345
diff changeset
3639 } \
23dda92de993 clean-up tracing of C functions. In particular, don't call the trace func
Armin Rigo <arigo@tunes.org>
parents: 35345
diff changeset
3640 else { \
23dda92de993 clean-up tracing of C functions. In particular, don't call the trace func
Armin Rigo <arigo@tunes.org>
parents: 35345
diff changeset
3641 x = call; \
23dda92de993 clean-up tracing of C functions. In particular, don't call the trace func
Armin Rigo <arigo@tunes.org>
parents: 35345
diff changeset
3642 if (tstate->c_profilefunc != NULL) { \
23dda92de993 clean-up tracing of C functions. In particular, don't call the trace func
Armin Rigo <arigo@tunes.org>
parents: 35345
diff changeset
3643 if (x == NULL) { \
23dda92de993 clean-up tracing of C functions. In particular, don't call the trace func
Armin Rigo <arigo@tunes.org>
parents: 35345
diff changeset
3644 call_trace_protected(tstate->c_profilefunc, \
23dda92de993 clean-up tracing of C functions. In particular, don't call the trace func
Armin Rigo <arigo@tunes.org>
parents: 35345
diff changeset
3645 tstate->c_profileobj, \
23dda92de993 clean-up tracing of C functions. In particular, don't call the trace func
Armin Rigo <arigo@tunes.org>
parents: 35345
diff changeset
3646 tstate->frame, PyTrace_C_EXCEPTION, \
23dda92de993 clean-up tracing of C functions. In particular, don't call the trace func
Armin Rigo <arigo@tunes.org>
parents: 35345
diff changeset
3647 func); \
23dda92de993 clean-up tracing of C functions. In particular, don't call the trace func
Armin Rigo <arigo@tunes.org>
parents: 35345
diff changeset
3648 /* XXX should pass (type, value, tb) */ \
23dda92de993 clean-up tracing of C functions. In particular, don't call the trace func
Armin Rigo <arigo@tunes.org>
parents: 35345
diff changeset
3649 } else { \
23dda92de993 clean-up tracing of C functions. In particular, don't call the trace func
Armin Rigo <arigo@tunes.org>
parents: 35345
diff changeset
3650 if (call_trace(tstate->c_profilefunc, \
23dda92de993 clean-up tracing of C functions. In particular, don't call the trace func
Armin Rigo <arigo@tunes.org>
parents: 35345
diff changeset
3651 tstate->c_profileobj, \
23dda92de993 clean-up tracing of C functions. In particular, don't call the trace func
Armin Rigo <arigo@tunes.org>
parents: 35345
diff changeset
3652 tstate->frame, PyTrace_C_RETURN, \
23dda92de993 clean-up tracing of C functions. In particular, don't call the trace func
Armin Rigo <arigo@tunes.org>
parents: 35345
diff changeset
3653 func)) { \
23dda92de993 clean-up tracing of C functions. In particular, don't call the trace func
Armin Rigo <arigo@tunes.org>
parents: 35345
diff changeset
3654 Py_DECREF(x); \
23dda92de993 clean-up tracing of C functions. In particular, don't call the trace func
Armin Rigo <arigo@tunes.org>
parents: 35345
diff changeset
3655 x = NULL; \
23dda92de993 clean-up tracing of C functions. In particular, don't call the trace func
Armin Rigo <arigo@tunes.org>
parents: 35345
diff changeset
3656 } \
23dda92de993 clean-up tracing of C functions. In particular, don't call the trace func
Armin Rigo <arigo@tunes.org>
parents: 35345
diff changeset
3657 } \
31796
1c117dbb2def Enable the profiling of C functions (builtins and extensions)
Nicholas Bastin <nick.bastin@gmail.com>
parents: 31768
diff changeset
3658 } \
32409
77913be294b9 Massive performance improvement for C extension and builtin tracing code
Nicholas Bastin <nick.bastin@gmail.com>
parents: 32398
diff changeset
3659 } \
77913be294b9 Massive performance improvement for C extension and builtin tracing code
Nicholas Bastin <nick.bastin@gmail.com>
parents: 32398
diff changeset
3660 } else { \
35609
23dda92de993 clean-up tracing of C functions. In particular, don't call the trace func
Armin Rigo <arigo@tunes.org>
parents: 35345
diff changeset
3661 x = call; \
31796
1c117dbb2def Enable the profiling of C functions (builtins and extensions)
Nicholas Bastin <nick.bastin@gmail.com>
parents: 31768
diff changeset
3662 }
1c117dbb2def Enable the profiling of C functions (builtins and extensions)
Nicholas Bastin <nick.bastin@gmail.com>
parents: 31768
diff changeset
3663
38425
ca657e0bd09c needforspeed: backed out the Py_LOCAL-isation of ceval; the massive in-
Fredrik Lundh <fredrik@pythonware.com>
parents: 38418
diff changeset
3664 static PyObject *
32301
41c59d80bbc5 Patch #510695: Add TSC profiling for the VM.
Martin v. Löwis <martin@v.loewis.de>
parents: 32247
diff changeset
3665 call_function(PyObject ***pp_stack, int oparg
41c59d80bbc5 Patch #510695: Add TSC profiling for the VM.
Martin v. Löwis <martin@v.loewis.de>
parents: 32247
diff changeset
3666 #ifdef WITH_TSC
41c59d80bbc5 Patch #510695: Add TSC profiling for the VM.
Martin v. Löwis <martin@v.loewis.de>
parents: 32247
diff changeset
3667 , uint64* pintr0, uint64* pintr1
41c59d80bbc5 Patch #510695: Add TSC profiling for the VM.
Martin v. Löwis <martin@v.loewis.de>
parents: 32247
diff changeset
3668 #endif
41c59d80bbc5 Patch #510695: Add TSC profiling for the VM.
Martin v. Löwis <martin@v.loewis.de>
parents: 32247
diff changeset
3669 )
24868
2306001f6eaa Move body of CALL_FUNCTION opcode into helper function.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 24866
diff changeset
3670 {
2306001f6eaa Move body of CALL_FUNCTION opcode into helper function.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 24866
diff changeset
3671 int na = oparg & 0xff;
2306001f6eaa Move body of CALL_FUNCTION opcode into helper function.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 24866
diff changeset
3672 int nk = (oparg>>8) & 0xff;
2306001f6eaa Move body of CALL_FUNCTION opcode into helper function.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 24866
diff changeset
3673 int n = na + 2 * nk;
2306001f6eaa Move body of CALL_FUNCTION opcode into helper function.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 24866
diff changeset
3674 PyObject **pfunc = (*pp_stack) - n - 1;
2306001f6eaa Move body of CALL_FUNCTION opcode into helper function.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 24866
diff changeset
3675 PyObject *func = *pfunc;
2306001f6eaa Move body of CALL_FUNCTION opcode into helper function.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 24866
diff changeset
3676 PyObject *x, *w;
2306001f6eaa Move body of CALL_FUNCTION opcode into helper function.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 24866
diff changeset
3677
27712
16856c9514e0 Small function call optimization and special build option for call stats.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 27295
diff changeset
3678 /* Always dispatch PyCFunction first, because these are
16856c9514e0 Small function call optimization and special build option for call stats.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 27295
diff changeset
3679 presumed to be the most frequent callable object.
24868
2306001f6eaa Move body of CALL_FUNCTION opcode into helper function.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 24866
diff changeset
3680 */
2306001f6eaa Move body of CALL_FUNCTION opcode into helper function.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 24866
diff changeset
3681 if (PyCFunction_Check(func) && nk == 0) {
2306001f6eaa Move body of CALL_FUNCTION opcode into helper function.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 24866
diff changeset
3682 int flags = PyCFunction_GET_FLAGS(func);
32412
393c15c0c5a4 Get ceval.c to compile again by moving declarations before other statments.
Raymond Hettinger <python@rcn.com>
parents: 32409
diff changeset
3683 PyThreadState *tstate = PyThreadState_GET();
393c15c0c5a4 Get ceval.c to compile again by moving declarations before other statments.
Raymond Hettinger <python@rcn.com>
parents: 32409
diff changeset
3684
27712
16856c9514e0 Small function call optimization and special build option for call stats.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 27295
diff changeset
3685 PCALL(PCALL_CFUNCTION);
24870
df2326a4894d Inline fast_cfunction() in new call_function().
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 24868
diff changeset
3686 if (flags & (METH_NOARGS | METH_O)) {
df2326a4894d Inline fast_cfunction() in new call_function().
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 24868
diff changeset
3687 PyCFunction meth = PyCFunction_GET_FUNCTION(func);
df2326a4894d Inline fast_cfunction() in new call_function().
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 24868
diff changeset
3688 PyObject *self = PyCFunction_GET_SELF(func);
31796
1c117dbb2def Enable the profiling of C functions (builtins and extensions)
Nicholas Bastin <nick.bastin@gmail.com>
parents: 31768
diff changeset
3689 if (flags & METH_NOARGS && na == 0) {
35609
23dda92de993 clean-up tracing of C functions. In particular, don't call the trace func
Armin Rigo <arigo@tunes.org>
parents: 35345
diff changeset
3690 C_TRACE(x, (*meth)(self,NULL));
31796
1c117dbb2def Enable the profiling of C functions (builtins and extensions)
Nicholas Bastin <nick.bastin@gmail.com>
parents: 31768
diff changeset
3691 }
24870
df2326a4894d Inline fast_cfunction() in new call_function().
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 24868
diff changeset
3692 else if (flags & METH_O && na == 1) {
df2326a4894d Inline fast_cfunction() in new call_function().
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 24868
diff changeset
3693 PyObject *arg = EXT_POP(*pp_stack);
35609
23dda92de993 clean-up tracing of C functions. In particular, don't call the trace func
Armin Rigo <arigo@tunes.org>
parents: 35345
diff changeset
3694 C_TRACE(x, (*meth)(self,arg));
24870
df2326a4894d Inline fast_cfunction() in new call_function().
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 24868
diff changeset
3695 Py_DECREF(arg);
df2326a4894d Inline fast_cfunction() in new call_function().
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 24868
diff changeset
3696 }
df2326a4894d Inline fast_cfunction() in new call_function().
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 24868
diff changeset
3697 else {
df2326a4894d Inline fast_cfunction() in new call_function().
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 24868
diff changeset
3698 err_args(func, flags, na);
df2326a4894d Inline fast_cfunction() in new call_function().
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 24868
diff changeset
3699 x = NULL;
df2326a4894d Inline fast_cfunction() in new call_function().
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 24868
diff changeset
3700 }
df2326a4894d Inline fast_cfunction() in new call_function().
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 24868
diff changeset
3701 }
df2326a4894d Inline fast_cfunction() in new call_function().
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 24868
diff changeset
3702 else {
24868
2306001f6eaa Move body of CALL_FUNCTION opcode into helper function.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 24866
diff changeset
3703 PyObject *callargs;
2306001f6eaa Move body of CALL_FUNCTION opcode into helper function.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 24866
diff changeset
3704 callargs = load_args(pp_stack, na);
34442
683719e04218 Change the name of the macro used by --with-tsc builds to the less
Michael W. Hudson <mwh@python.net>
parents: 34371
diff changeset
3705 READ_TIMESTAMP(*pintr0);
35609
23dda92de993 clean-up tracing of C functions. In particular, don't call the trace func
Armin Rigo <arigo@tunes.org>
parents: 35345
diff changeset
3706 C_TRACE(x, PyCFunction_Call(func,callargs,NULL));
34442
683719e04218 Change the name of the macro used by --with-tsc builds to the less
Michael W. Hudson <mwh@python.net>
parents: 34371
diff changeset
3707 READ_TIMESTAMP(*pintr1);
31872
9f5fe6b23e59 Since the fast_yield branch target was introduced, it appears that most
Tim Peters <tim.peters@gmail.com>
parents: 31797
diff changeset
3708 Py_XDECREF(callargs);
9f5fe6b23e59 Since the fast_yield branch target was introduced, it appears that most
Tim Peters <tim.peters@gmail.com>
parents: 31797
diff changeset
3709 }
24868
2306001f6eaa Move body of CALL_FUNCTION opcode into helper function.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 24866
diff changeset
3710 } else {
2306001f6eaa Move body of CALL_FUNCTION opcode into helper function.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 24866
diff changeset
3711 if (PyMethod_Check(func) && PyMethod_GET_SELF(func) != NULL) {
2306001f6eaa Move body of CALL_FUNCTION opcode into helper function.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 24866
diff changeset
3712 /* optimize access to bound methods */
2306001f6eaa Move body of CALL_FUNCTION opcode into helper function.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 24866
diff changeset
3713 PyObject *self = PyMethod_GET_SELF(func);
27712
16856c9514e0 Small function call optimization and special build option for call stats.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 27295
diff changeset
3714 PCALL(PCALL_METHOD);
16856c9514e0 Small function call optimization and special build option for call stats.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 27295
diff changeset
3715 PCALL(PCALL_BOUND_METHOD);
24868
2306001f6eaa Move body of CALL_FUNCTION opcode into helper function.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 24866
diff changeset
3716 Py_INCREF(self);
2306001f6eaa Move body of CALL_FUNCTION opcode into helper function.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 24866
diff changeset
3717 func = PyMethod_GET_FUNCTION(func);
2306001f6eaa Move body of CALL_FUNCTION opcode into helper function.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 24866
diff changeset
3718 Py_INCREF(func);
2306001f6eaa Move body of CALL_FUNCTION opcode into helper function.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 24866
diff changeset
3719 Py_DECREF(*pfunc);
2306001f6eaa Move body of CALL_FUNCTION opcode into helper function.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 24866
diff changeset
3720 *pfunc = self;
2306001f6eaa Move body of CALL_FUNCTION opcode into helper function.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 24866
diff changeset
3721 na++;
2306001f6eaa Move body of CALL_FUNCTION opcode into helper function.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 24866
diff changeset
3722 n++;
2306001f6eaa Move body of CALL_FUNCTION opcode into helper function.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 24866
diff changeset
3723 } else
2306001f6eaa Move body of CALL_FUNCTION opcode into helper function.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 24866
diff changeset
3724 Py_INCREF(func);
34442
683719e04218 Change the name of the macro used by --with-tsc builds to the less
Michael W. Hudson <mwh@python.net>
parents: 34371
diff changeset
3725 READ_TIMESTAMP(*pintr0);
24868
2306001f6eaa Move body of CALL_FUNCTION opcode into helper function.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 24866
diff changeset
3726 if (PyFunction_Check(func))
2306001f6eaa Move body of CALL_FUNCTION opcode into helper function.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 24866
diff changeset
3727 x = fast_function(func, pp_stack, n, na, nk);
31872
9f5fe6b23e59 Since the fast_yield branch target was introduced, it appears that most
Tim Peters <tim.peters@gmail.com>
parents: 31797
diff changeset
3728 else
24868
2306001f6eaa Move body of CALL_FUNCTION opcode into helper function.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 24866
diff changeset
3729 x = do_call(func, pp_stack, na, nk);
34442
683719e04218 Change the name of the macro used by --with-tsc builds to the less
Michael W. Hudson <mwh@python.net>
parents: 34371
diff changeset
3730 READ_TIMESTAMP(*pintr1);
24868
2306001f6eaa Move body of CALL_FUNCTION opcode into helper function.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 24866
diff changeset
3731 Py_DECREF(func);
2306001f6eaa Move body of CALL_FUNCTION opcode into helper function.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 24866
diff changeset
3732 }
31872
9f5fe6b23e59 Since the fast_yield branch target was introduced, it appears that most
Tim Peters <tim.peters@gmail.com>
parents: 31797
diff changeset
3733
37286
ab3efbca5c92 answer a question from a comment
Armin Rigo <arigo@tunes.org>
parents: 37164
diff changeset
3734 /* Clear the stack of the function object. Also removes
ab3efbca5c92 answer a question from a comment
Armin Rigo <arigo@tunes.org>
parents: 37164
diff changeset
3735 the arguments in case they weren't consumed already
ab3efbca5c92 answer a question from a comment
Armin Rigo <arigo@tunes.org>
parents: 37164
diff changeset
3736 (fast_function() and err_args() leave them on the stack).
36756
d0ca6302dd3c Put back the essence of Jeremy's original XXX comment.
Thomas Wouters <thomas@python.org>
parents: 36751
diff changeset
3737 */
24868
2306001f6eaa Move body of CALL_FUNCTION opcode into helper function.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 24866
diff changeset
3738 while ((*pp_stack) > pfunc) {
2306001f6eaa Move body of CALL_FUNCTION opcode into helper function.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 24866
diff changeset
3739 w = EXT_POP(*pp_stack);
2306001f6eaa Move body of CALL_FUNCTION opcode into helper function.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 24866
diff changeset
3740 Py_DECREF(w);
27712
16856c9514e0 Small function call optimization and special build option for call stats.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 27295
diff changeset
3741 PCALL(PCALL_POP);
24868
2306001f6eaa Move body of CALL_FUNCTION opcode into helper function.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 24866
diff changeset
3742 }
2306001f6eaa Move body of CALL_FUNCTION opcode into helper function.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 24866
diff changeset
3743 return x;
2306001f6eaa Move body of CALL_FUNCTION opcode into helper function.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 24866
diff changeset
3744 }
2306001f6eaa Move body of CALL_FUNCTION opcode into helper function.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 24866
diff changeset
3745
24870
df2326a4894d Inline fast_cfunction() in new call_function().
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 24868
diff changeset
3746 /* The fast_function() function optimize calls for which no argument
15711
2481b5fe86d6 Revised implementation of CALL_FUNCTION and friends.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15364
diff changeset
3747 tuple is necessary; the objects are passed directly from the stack.
27712
16856c9514e0 Small function call optimization and special build option for call stats.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 27295
diff changeset
3748 For the simplest case -- a function that takes only positional
16856c9514e0 Small function call optimization and special build option for call stats.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 27295
diff changeset
3749 arguments and is called with only positional arguments -- it
16856c9514e0 Small function call optimization and special build option for call stats.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 27295
diff changeset
3750 inlines the most primitive frame setup code from
16856c9514e0 Small function call optimization and special build option for call stats.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 27295
diff changeset
3751 PyEval_EvalCodeEx(), which vastly reduces the checks that must be
16856c9514e0 Small function call optimization and special build option for call stats.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 27295
diff changeset
3752 done before evaluating the frame.
15711
2481b5fe86d6 Revised implementation of CALL_FUNCTION and friends.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15364
diff changeset
3753 */
2481b5fe86d6 Revised implementation of CALL_FUNCTION and friends.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15364
diff changeset
3754
38425
ca657e0bd09c needforspeed: backed out the Py_LOCAL-isation of ceval; the massive in-
Fredrik Lundh <fredrik@pythonware.com>
parents: 38418
diff changeset
3755 static PyObject *
15948
3bc2440427d3 Rich comparisons fall-out:
Guido van Rossum <guido@python.org>
parents: 15899
diff changeset
3756 fast_function(PyObject *func, PyObject ***pp_stack, int n, int na, int nk)
15711
2481b5fe86d6 Revised implementation of CALL_FUNCTION and friends.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15364
diff changeset
3757 {
27712
16856c9514e0 Small function call optimization and special build option for call stats.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 27295
diff changeset
3758 PyCodeObject *co = (PyCodeObject *)PyFunction_GET_CODE(func);
15711
2481b5fe86d6 Revised implementation of CALL_FUNCTION and friends.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15364
diff changeset
3759 PyObject *globals = PyFunction_GET_GLOBALS(func);
2481b5fe86d6 Revised implementation of CALL_FUNCTION and friends.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15364
diff changeset
3760 PyObject *argdefs = PyFunction_GET_DEFAULTS(func);
2481b5fe86d6 Revised implementation of CALL_FUNCTION and friends.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15364
diff changeset
3761 PyObject **d = NULL;
2481b5fe86d6 Revised implementation of CALL_FUNCTION and friends.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15364
diff changeset
3762 int nd = 0;
2481b5fe86d6 Revised implementation of CALL_FUNCTION and friends.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15364
diff changeset
3763
27712
16856c9514e0 Small function call optimization and special build option for call stats.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 27295
diff changeset
3764 PCALL(PCALL_FUNCTION);
16856c9514e0 Small function call optimization and special build option for call stats.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 27295
diff changeset
3765 PCALL(PCALL_FAST_FUNCTION);
29339
fc286e28556f SF bug #733667: kwargs handled incorrectly
Raymond Hettinger <python@rcn.com>
parents: 29337
diff changeset
3766 if (argdefs == NULL && co->co_argcount == n && nk==0 &&
27712
16856c9514e0 Small function call optimization and special build option for call stats.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 27295
diff changeset
3767 co->co_flags == (CO_OPTIMIZED | CO_NEWLOCALS | CO_NOFREE)) {
16856c9514e0 Small function call optimization and special build option for call stats.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 27295
diff changeset
3768 PyFrameObject *f;
16856c9514e0 Small function call optimization and special build option for call stats.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 27295
diff changeset
3769 PyObject *retval = NULL;
16856c9514e0 Small function call optimization and special build option for call stats.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 27295
diff changeset
3770 PyThreadState *tstate = PyThreadState_GET();
16856c9514e0 Small function call optimization and special build option for call stats.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 27295
diff changeset
3771 PyObject **fastlocals, **stack;
16856c9514e0 Small function call optimization and special build option for call stats.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 27295
diff changeset
3772 int i;
16856c9514e0 Small function call optimization and special build option for call stats.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 27295
diff changeset
3773
16856c9514e0 Small function call optimization and special build option for call stats.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 27295
diff changeset
3774 PCALL(PCALL_FASTER_FUNCTION);
16856c9514e0 Small function call optimization and special build option for call stats.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 27295
diff changeset
3775 assert(globals != NULL);
16856c9514e0 Small function call optimization and special build option for call stats.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 27295
diff changeset
3776 /* XXX Perhaps we should create a specialized
16856c9514e0 Small function call optimization and special build option for call stats.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 27295
diff changeset
3777 PyFrame_New() that doesn't take locals, but does
16856c9514e0 Small function call optimization and special build option for call stats.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 27295
diff changeset
3778 take builtins without sanity checking them.
16856c9514e0 Small function call optimization and special build option for call stats.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 27295
diff changeset
3779 */
39466
c7ff02c1559f Move/copy assert for tstate != NULL before first use.
Neal Norwitz <nnorwitz@gmail.com>
parents: 39463
diff changeset
3780 assert(tstate != NULL);
27712
16856c9514e0 Small function call optimization and special build option for call stats.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 27295
diff changeset
3781 f = PyFrame_New(tstate, co, globals, NULL);
16856c9514e0 Small function call optimization and special build option for call stats.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 27295
diff changeset
3782 if (f == NULL)
16856c9514e0 Small function call optimization and special build option for call stats.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 27295
diff changeset
3783 return NULL;
16856c9514e0 Small function call optimization and special build option for call stats.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 27295
diff changeset
3784
16856c9514e0 Small function call optimization and special build option for call stats.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 27295
diff changeset
3785 fastlocals = f->f_localsplus;
16856c9514e0 Small function call optimization and special build option for call stats.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 27295
diff changeset
3786 stack = (*pp_stack) - n;
16856c9514e0 Small function call optimization and special build option for call stats.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 27295
diff changeset
3787
16856c9514e0 Small function call optimization and special build option for call stats.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 27295
diff changeset
3788 for (i = 0; i < n; i++) {
16856c9514e0 Small function call optimization and special build option for call stats.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 27295
diff changeset
3789 Py_INCREF(*stack);
16856c9514e0 Small function call optimization and special build option for call stats.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 27295
diff changeset
3790 fastlocals[i] = *stack++;
16856c9514e0 Small function call optimization and special build option for call stats.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 27295
diff changeset
3791 }
35298
b2fe5f8fcfdd PEP 342 implementation. Per Guido's comments, the generator throw()
Phillip J. Eby <pje@telecommunity.com>
parents: 35126
diff changeset
3792 retval = PyEval_EvalFrameEx(f,0);
27712
16856c9514e0 Small function call optimization and special build option for call stats.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 27295
diff changeset
3793 ++tstate->recursion_depth;
16856c9514e0 Small function call optimization and special build option for call stats.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 27295
diff changeset
3794 Py_DECREF(f);
16856c9514e0 Small function call optimization and special build option for call stats.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 27295
diff changeset
3795 --tstate->recursion_depth;
16856c9514e0 Small function call optimization and special build option for call stats.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 27295
diff changeset
3796 return retval;
16856c9514e0 Small function call optimization and special build option for call stats.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 27295
diff changeset
3797 }
15711
2481b5fe86d6 Revised implementation of CALL_FUNCTION and friends.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15364
diff changeset
3798 if (argdefs != NULL) {
2481b5fe86d6 Revised implementation of CALL_FUNCTION and friends.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15364
diff changeset
3799 d = &PyTuple_GET_ITEM(argdefs, 0);
44350
26384b8180c7 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT. Macros for b/w compatibility are available.
Christian Heimes <christian@cheimes.de>
parents: 44339
diff changeset
3800 nd = Py_SIZE(argdefs);
15711
2481b5fe86d6 Revised implementation of CALL_FUNCTION and friends.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15364
diff changeset
3801 }
27712
16856c9514e0 Small function call optimization and special build option for call stats.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 27295
diff changeset
3802 return PyEval_EvalCodeEx(co, globals,
16856c9514e0 Small function call optimization and special build option for call stats.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 27295
diff changeset
3803 (PyObject *)NULL, (*pp_stack)-n, na,
16856c9514e0 Small function call optimization and special build option for call stats.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 27295
diff changeset
3804 (*pp_stack)-2*nk, nk, d, nd,
16856c9514e0 Small function call optimization and special build option for call stats.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 27295
diff changeset
3805 PyFunction_GET_CLOSURE(func));
15711
2481b5fe86d6 Revised implementation of CALL_FUNCTION and friends.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15364
diff changeset
3806 }
2481b5fe86d6 Revised implementation of CALL_FUNCTION and friends.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15364
diff changeset
3807
38425
ca657e0bd09c needforspeed: backed out the Py_LOCAL-isation of ceval; the massive in-
Fredrik Lundh <fredrik@pythonware.com>
parents: 38418
diff changeset
3808 static PyObject *
15899
152814f6cd11 This patch makes sure that the function name always appears in the error
Ka-Ping Yee <ping@zesty.ca>
parents: 15830
diff changeset
3809 update_keyword_args(PyObject *orig_kwdict, int nk, PyObject ***pp_stack,
152814f6cd11 This patch makes sure that the function name always appears in the error
Ka-Ping Yee <ping@zesty.ca>
parents: 15830
diff changeset
3810 PyObject *func)
15711
2481b5fe86d6 Revised implementation of CALL_FUNCTION and friends.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15364
diff changeset
3811 {
2481b5fe86d6 Revised implementation of CALL_FUNCTION and friends.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15364
diff changeset
3812 PyObject *kwdict = NULL;
2481b5fe86d6 Revised implementation of CALL_FUNCTION and friends.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15364
diff changeset
3813 if (orig_kwdict == NULL)
2481b5fe86d6 Revised implementation of CALL_FUNCTION and friends.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15364
diff changeset
3814 kwdict = PyDict_New();
2481b5fe86d6 Revised implementation of CALL_FUNCTION and friends.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15364
diff changeset
3815 else {
2481b5fe86d6 Revised implementation of CALL_FUNCTION and friends.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15364
diff changeset
3816 kwdict = PyDict_Copy(orig_kwdict);
2481b5fe86d6 Revised implementation of CALL_FUNCTION and friends.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15364
diff changeset
3817 Py_DECREF(orig_kwdict);
2481b5fe86d6 Revised implementation of CALL_FUNCTION and friends.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15364
diff changeset
3818 }
2481b5fe86d6 Revised implementation of CALL_FUNCTION and friends.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15364
diff changeset
3819 if (kwdict == NULL)
2481b5fe86d6 Revised implementation of CALL_FUNCTION and friends.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15364
diff changeset
3820 return NULL;
31894
310dd98ea064 Revert 2.393, elimination of pre-decrementing, which
Raymond Hettinger <python@rcn.com>
parents: 31880
diff changeset
3821 while (--nk >= 0) {
15711
2481b5fe86d6 Revised implementation of CALL_FUNCTION and friends.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15364
diff changeset
3822 int err;
2481b5fe86d6 Revised implementation of CALL_FUNCTION and friends.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15364
diff changeset
3823 PyObject *value = EXT_POP(*pp_stack);
2481b5fe86d6 Revised implementation of CALL_FUNCTION and friends.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15364
diff changeset
3824 PyObject *key = EXT_POP(*pp_stack);
2481b5fe86d6 Revised implementation of CALL_FUNCTION and friends.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15364
diff changeset
3825 if (PyDict_GetItem(kwdict, key) != NULL) {
43408
81478465fef3 Whitespace cleanup.
Thomas Wouters <thomas@python.org>
parents: 42333
diff changeset
3826 PyErr_Format(PyExc_TypeError,
81478465fef3 Whitespace cleanup.
Thomas Wouters <thomas@python.org>
parents: 42333
diff changeset
3827 "%.200s%s got multiple values "
81478465fef3 Whitespace cleanup.
Thomas Wouters <thomas@python.org>
parents: 42333
diff changeset
3828 "for keyword argument '%.200s'",
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18611
diff changeset
3829 PyEval_GetFuncName(func),
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18611
diff changeset
3830 PyEval_GetFuncDesc(func),
47527
52294af4b663 This reverts r63675 based on the discussion in this thread:
Gregory P. Smith <greg@mad-scientist.com>
parents: 47294
diff changeset
3831 PyString_AsString(key));
15711
2481b5fe86d6 Revised implementation of CALL_FUNCTION and friends.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15364
diff changeset
3832 Py_DECREF(key);
2481b5fe86d6 Revised implementation of CALL_FUNCTION and friends.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15364
diff changeset
3833 Py_DECREF(value);
2481b5fe86d6 Revised implementation of CALL_FUNCTION and friends.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15364
diff changeset
3834 Py_DECREF(kwdict);
2481b5fe86d6 Revised implementation of CALL_FUNCTION and friends.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15364
diff changeset
3835 return NULL;
2481b5fe86d6 Revised implementation of CALL_FUNCTION and friends.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15364
diff changeset
3836 }
2481b5fe86d6 Revised implementation of CALL_FUNCTION and friends.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15364
diff changeset
3837 err = PyDict_SetItem(kwdict, key, value);
2481b5fe86d6 Revised implementation of CALL_FUNCTION and friends.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15364
diff changeset
3838 Py_DECREF(key);
2481b5fe86d6 Revised implementation of CALL_FUNCTION and friends.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15364
diff changeset
3839 Py_DECREF(value);
2481b5fe86d6 Revised implementation of CALL_FUNCTION and friends.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15364
diff changeset
3840 if (err) {
2481b5fe86d6 Revised implementation of CALL_FUNCTION and friends.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15364
diff changeset
3841 Py_DECREF(kwdict);
2481b5fe86d6 Revised implementation of CALL_FUNCTION and friends.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15364
diff changeset
3842 return NULL;
2481b5fe86d6 Revised implementation of CALL_FUNCTION and friends.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15364
diff changeset
3843 }
2481b5fe86d6 Revised implementation of CALL_FUNCTION and friends.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15364
diff changeset
3844 }
2481b5fe86d6 Revised implementation of CALL_FUNCTION and friends.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15364
diff changeset
3845 return kwdict;
2481b5fe86d6 Revised implementation of CALL_FUNCTION and friends.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15364
diff changeset
3846 }
2481b5fe86d6 Revised implementation of CALL_FUNCTION and friends.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15364
diff changeset
3847
38425
ca657e0bd09c needforspeed: backed out the Py_LOCAL-isation of ceval; the massive in-
Fredrik Lundh <fredrik@pythonware.com>
parents: 38418
diff changeset
3848 static PyObject *
15711
2481b5fe86d6 Revised implementation of CALL_FUNCTION and friends.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15364
diff changeset
3849 update_star_args(int nstack, int nstar, PyObject *stararg,
2481b5fe86d6 Revised implementation of CALL_FUNCTION and friends.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15364
diff changeset
3850 PyObject ***pp_stack)
2481b5fe86d6 Revised implementation of CALL_FUNCTION and friends.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15364
diff changeset
3851 {
2481b5fe86d6 Revised implementation of CALL_FUNCTION and friends.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15364
diff changeset
3852 PyObject *callargs, *w;
2481b5fe86d6 Revised implementation of CALL_FUNCTION and friends.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15364
diff changeset
3853
2481b5fe86d6 Revised implementation of CALL_FUNCTION and friends.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15364
diff changeset
3854 callargs = PyTuple_New(nstack + nstar);
2481b5fe86d6 Revised implementation of CALL_FUNCTION and friends.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15364
diff changeset
3855 if (callargs == NULL) {
2481b5fe86d6 Revised implementation of CALL_FUNCTION and friends.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15364
diff changeset
3856 return NULL;
2481b5fe86d6 Revised implementation of CALL_FUNCTION and friends.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15364
diff changeset
3857 }
2481b5fe86d6 Revised implementation of CALL_FUNCTION and friends.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15364
diff changeset
3858 if (nstar) {
2481b5fe86d6 Revised implementation of CALL_FUNCTION and friends.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15364
diff changeset
3859 int i;
2481b5fe86d6 Revised implementation of CALL_FUNCTION and friends.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15364
diff changeset
3860 for (i = 0; i < nstar; i++) {
2481b5fe86d6 Revised implementation of CALL_FUNCTION and friends.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15364
diff changeset
3861 PyObject *a = PyTuple_GET_ITEM(stararg, i);
2481b5fe86d6 Revised implementation of CALL_FUNCTION and friends.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15364
diff changeset
3862 Py_INCREF(a);
2481b5fe86d6 Revised implementation of CALL_FUNCTION and friends.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15364
diff changeset
3863 PyTuple_SET_ITEM(callargs, nstack + i, a);
2481b5fe86d6 Revised implementation of CALL_FUNCTION and friends.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15364
diff changeset
3864 }
2481b5fe86d6 Revised implementation of CALL_FUNCTION and friends.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15364
diff changeset
3865 }
31894
310dd98ea064 Revert 2.393, elimination of pre-decrementing, which
Raymond Hettinger <python@rcn.com>
parents: 31880
diff changeset
3866 while (--nstack >= 0) {
15711
2481b5fe86d6 Revised implementation of CALL_FUNCTION and friends.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15364
diff changeset
3867 w = EXT_POP(*pp_stack);
2481b5fe86d6 Revised implementation of CALL_FUNCTION and friends.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15364
diff changeset
3868 PyTuple_SET_ITEM(callargs, nstack, w);
2481b5fe86d6 Revised implementation of CALL_FUNCTION and friends.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15364
diff changeset
3869 }
2481b5fe86d6 Revised implementation of CALL_FUNCTION and friends.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15364
diff changeset
3870 return callargs;
2481b5fe86d6 Revised implementation of CALL_FUNCTION and friends.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15364
diff changeset
3871 }
2481b5fe86d6 Revised implementation of CALL_FUNCTION and friends.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15364
diff changeset
3872
38425
ca657e0bd09c needforspeed: backed out the Py_LOCAL-isation of ceval; the massive in-
Fredrik Lundh <fredrik@pythonware.com>
parents: 38418
diff changeset
3873 static PyObject *
15711
2481b5fe86d6 Revised implementation of CALL_FUNCTION and friends.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15364
diff changeset
3874 load_args(PyObject ***pp_stack, int na)
2481b5fe86d6 Revised implementation of CALL_FUNCTION and friends.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15364
diff changeset
3875 {
2481b5fe86d6 Revised implementation of CALL_FUNCTION and friends.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15364
diff changeset
3876 PyObject *args = PyTuple_New(na);
2481b5fe86d6 Revised implementation of CALL_FUNCTION and friends.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15364
diff changeset
3877 PyObject *w;
2481b5fe86d6 Revised implementation of CALL_FUNCTION and friends.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15364
diff changeset
3878
2481b5fe86d6 Revised implementation of CALL_FUNCTION and friends.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15364
diff changeset
3879 if (args == NULL)
2481b5fe86d6 Revised implementation of CALL_FUNCTION and friends.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15364
diff changeset
3880 return NULL;
31894
310dd98ea064 Revert 2.393, elimination of pre-decrementing, which
Raymond Hettinger <python@rcn.com>
parents: 31880
diff changeset
3881 while (--na >= 0) {
15711
2481b5fe86d6 Revised implementation of CALL_FUNCTION and friends.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15364
diff changeset
3882 w = EXT_POP(*pp_stack);
2481b5fe86d6 Revised implementation of CALL_FUNCTION and friends.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15364
diff changeset
3883 PyTuple_SET_ITEM(args, na, w);
2481b5fe86d6 Revised implementation of CALL_FUNCTION and friends.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15364
diff changeset
3884 }
2481b5fe86d6 Revised implementation of CALL_FUNCTION and friends.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15364
diff changeset
3885 return args;
2481b5fe86d6 Revised implementation of CALL_FUNCTION and friends.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15364
diff changeset
3886 }
2481b5fe86d6 Revised implementation of CALL_FUNCTION and friends.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15364
diff changeset
3887
38425
ca657e0bd09c needforspeed: backed out the Py_LOCAL-isation of ceval; the massive in-
Fredrik Lundh <fredrik@pythonware.com>
parents: 38418
diff changeset
3888 static PyObject *
15711
2481b5fe86d6 Revised implementation of CALL_FUNCTION and friends.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15364
diff changeset
3889 do_call(PyObject *func, PyObject ***pp_stack, int na, int nk)
2481b5fe86d6 Revised implementation of CALL_FUNCTION and friends.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15364
diff changeset
3890 {
2481b5fe86d6 Revised implementation of CALL_FUNCTION and friends.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15364
diff changeset
3891 PyObject *callargs = NULL;
2481b5fe86d6 Revised implementation of CALL_FUNCTION and friends.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15364
diff changeset
3892 PyObject *kwdict = NULL;
2481b5fe86d6 Revised implementation of CALL_FUNCTION and friends.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15364
diff changeset
3893 PyObject *result = NULL;
2481b5fe86d6 Revised implementation of CALL_FUNCTION and friends.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15364
diff changeset
3894
2481b5fe86d6 Revised implementation of CALL_FUNCTION and friends.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15364
diff changeset
3895 if (nk > 0) {
15899
152814f6cd11 This patch makes sure that the function name always appears in the error
Ka-Ping Yee <ping@zesty.ca>
parents: 15830
diff changeset
3896 kwdict = update_keyword_args(NULL, nk, pp_stack, func);
15711
2481b5fe86d6 Revised implementation of CALL_FUNCTION and friends.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15364
diff changeset
3897 if (kwdict == NULL)
2481b5fe86d6 Revised implementation of CALL_FUNCTION and friends.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15364
diff changeset
3898 goto call_fail;
2481b5fe86d6 Revised implementation of CALL_FUNCTION and friends.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15364
diff changeset
3899 }
2481b5fe86d6 Revised implementation of CALL_FUNCTION and friends.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15364
diff changeset
3900 callargs = load_args(pp_stack, na);
2481b5fe86d6 Revised implementation of CALL_FUNCTION and friends.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15364
diff changeset
3901 if (callargs == NULL)
2481b5fe86d6 Revised implementation of CALL_FUNCTION and friends.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15364
diff changeset
3902 goto call_fail;
27712
16856c9514e0 Small function call optimization and special build option for call stats.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 27295
diff changeset
3903 #ifdef CALL_PROFILE
16856c9514e0 Small function call optimization and special build option for call stats.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 27295
diff changeset
3904 /* At this point, we have to look at the type of func to
16856c9514e0 Small function call optimization and special build option for call stats.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 27295
diff changeset
3905 update the call stats properly. Do it here so as to avoid
16856c9514e0 Small function call optimization and special build option for call stats.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 27295
diff changeset
3906 exposing the call stats machinery outside ceval.c
16856c9514e0 Small function call optimization and special build option for call stats.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 27295
diff changeset
3907 */
16856c9514e0 Small function call optimization and special build option for call stats.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 27295
diff changeset
3908 if (PyFunction_Check(func))
16856c9514e0 Small function call optimization and special build option for call stats.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 27295
diff changeset
3909 PCALL(PCALL_FUNCTION);
16856c9514e0 Small function call optimization and special build option for call stats.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 27295
diff changeset
3910 else if (PyMethod_Check(func))
16856c9514e0 Small function call optimization and special build option for call stats.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 27295
diff changeset
3911 PCALL(PCALL_METHOD);
16856c9514e0 Small function call optimization and special build option for call stats.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 27295
diff changeset
3912 else if (PyType_Check(func))
16856c9514e0 Small function call optimization and special build option for call stats.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 27295
diff changeset
3913 PCALL(PCALL_TYPE);
16856c9514e0 Small function call optimization and special build option for call stats.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 27295
diff changeset
3914 else
16856c9514e0 Small function call optimization and special build option for call stats.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 27295
diff changeset
3915 PCALL(PCALL_OTHER);
16856c9514e0 Small function call optimization and special build option for call stats.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 27295
diff changeset
3916 #endif
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18611
diff changeset
3917 result = PyObject_Call(func, callargs, kwdict);
15711
2481b5fe86d6 Revised implementation of CALL_FUNCTION and friends.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15364
diff changeset
3918 call_fail:
2481b5fe86d6 Revised implementation of CALL_FUNCTION and friends.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15364
diff changeset
3919 Py_XDECREF(callargs);
2481b5fe86d6 Revised implementation of CALL_FUNCTION and friends.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15364
diff changeset
3920 Py_XDECREF(kwdict);
2481b5fe86d6 Revised implementation of CALL_FUNCTION and friends.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15364
diff changeset
3921 return result;
2481b5fe86d6 Revised implementation of CALL_FUNCTION and friends.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15364
diff changeset
3922 }
2481b5fe86d6 Revised implementation of CALL_FUNCTION and friends.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15364
diff changeset
3923
38425
ca657e0bd09c needforspeed: backed out the Py_LOCAL-isation of ceval; the massive in-
Fredrik Lundh <fredrik@pythonware.com>
parents: 38418
diff changeset
3924 static PyObject *
15711
2481b5fe86d6 Revised implementation of CALL_FUNCTION and friends.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15364
diff changeset
3925 ext_do_call(PyObject *func, PyObject ***pp_stack, int flags, int na, int nk)
2481b5fe86d6 Revised implementation of CALL_FUNCTION and friends.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15364
diff changeset
3926 {
2481b5fe86d6 Revised implementation of CALL_FUNCTION and friends.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15364
diff changeset
3927 int nstar = 0;
2481b5fe86d6 Revised implementation of CALL_FUNCTION and friends.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15364
diff changeset
3928 PyObject *callargs = NULL;
2481b5fe86d6 Revised implementation of CALL_FUNCTION and friends.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15364
diff changeset
3929 PyObject *stararg = NULL;
2481b5fe86d6 Revised implementation of CALL_FUNCTION and friends.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15364
diff changeset
3930 PyObject *kwdict = NULL;
2481b5fe86d6 Revised implementation of CALL_FUNCTION and friends.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15364
diff changeset
3931 PyObject *result = NULL;
2481b5fe86d6 Revised implementation of CALL_FUNCTION and friends.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15364
diff changeset
3932
2481b5fe86d6 Revised implementation of CALL_FUNCTION and friends.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15364
diff changeset
3933 if (flags & CALL_FLAG_KW) {
2481b5fe86d6 Revised implementation of CALL_FUNCTION and friends.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15364
diff changeset
3934 kwdict = EXT_POP(*pp_stack);
41807
a405732a262d Patch #1686487: you can now pass any mapping after '**' in function calls.
Georg Brandl <georg@python.org>
parents: 41692
diff changeset
3935 if (!PyDict_Check(kwdict)) {
a405732a262d Patch #1686487: you can now pass any mapping after '**' in function calls.
Georg Brandl <georg@python.org>
parents: 41692
diff changeset
3936 PyObject *d;
a405732a262d Patch #1686487: you can now pass any mapping after '**' in function calls.
Georg Brandl <georg@python.org>
parents: 41692
diff changeset
3937 d = PyDict_New();
a405732a262d Patch #1686487: you can now pass any mapping after '**' in function calls.
Georg Brandl <georg@python.org>
parents: 41692
diff changeset
3938 if (d == NULL)
a405732a262d Patch #1686487: you can now pass any mapping after '**' in function calls.
Georg Brandl <georg@python.org>
parents: 41692
diff changeset
3939 goto ext_call_fail;
a405732a262d Patch #1686487: you can now pass any mapping after '**' in function calls.
Georg Brandl <georg@python.org>
parents: 41692
diff changeset
3940 if (PyDict_Update(d, kwdict) != 0) {
a405732a262d Patch #1686487: you can now pass any mapping after '**' in function calls.
Georg Brandl <georg@python.org>
parents: 41692
diff changeset
3941 Py_DECREF(d);
a405732a262d Patch #1686487: you can now pass any mapping after '**' in function calls.
Georg Brandl <georg@python.org>
parents: 41692
diff changeset
3942 /* PyDict_Update raises attribute
a405732a262d Patch #1686487: you can now pass any mapping after '**' in function calls.
Georg Brandl <georg@python.org>
parents: 41692
diff changeset
3943 * error (percolated from an attempt
a405732a262d Patch #1686487: you can now pass any mapping after '**' in function calls.
Georg Brandl <georg@python.org>
parents: 41692
diff changeset
3944 * to get 'keys' attribute) instead of
a405732a262d Patch #1686487: you can now pass any mapping after '**' in function calls.
Georg Brandl <georg@python.org>
parents: 41692
diff changeset
3945 * a type error if its second argument
a405732a262d Patch #1686487: you can now pass any mapping after '**' in function calls.
Georg Brandl <georg@python.org>
parents: 41692
diff changeset
3946 * is not a mapping.
a405732a262d Patch #1686487: you can now pass any mapping after '**' in function calls.
Georg Brandl <georg@python.org>
parents: 41692
diff changeset
3947 */
a405732a262d Patch #1686487: you can now pass any mapping after '**' in function calls.
Georg Brandl <georg@python.org>
parents: 41692
diff changeset
3948 if (PyErr_ExceptionMatches(PyExc_AttributeError)) {
a405732a262d Patch #1686487: you can now pass any mapping after '**' in function calls.
Georg Brandl <georg@python.org>
parents: 41692
diff changeset
3949 PyErr_Format(PyExc_TypeError,
a405732a262d Patch #1686487: you can now pass any mapping after '**' in function calls.
Georg Brandl <georg@python.org>
parents: 41692
diff changeset
3950 "%.200s%.200s argument after ** "
a405732a262d Patch #1686487: you can now pass any mapping after '**' in function calls.
Georg Brandl <georg@python.org>
parents: 41692
diff changeset
3951 "must be a mapping, not %.200s",
a405732a262d Patch #1686487: you can now pass any mapping after '**' in function calls.
Georg Brandl <georg@python.org>
parents: 41692
diff changeset
3952 PyEval_GetFuncName(func),
a405732a262d Patch #1686487: you can now pass any mapping after '**' in function calls.
Georg Brandl <georg@python.org>
parents: 41692
diff changeset
3953 PyEval_GetFuncDesc(func),
a405732a262d Patch #1686487: you can now pass any mapping after '**' in function calls.
Georg Brandl <georg@python.org>
parents: 41692
diff changeset
3954 kwdict->ob_type->tp_name);
a405732a262d Patch #1686487: you can now pass any mapping after '**' in function calls.
Georg Brandl <georg@python.org>
parents: 41692
diff changeset
3955 }
a405732a262d Patch #1686487: you can now pass any mapping after '**' in function calls.
Georg Brandl <georg@python.org>
parents: 41692
diff changeset
3956 goto ext_call_fail;
a405732a262d Patch #1686487: you can now pass any mapping after '**' in function calls.
Georg Brandl <georg@python.org>
parents: 41692
diff changeset
3957 }
a405732a262d Patch #1686487: you can now pass any mapping after '**' in function calls.
Georg Brandl <georg@python.org>
parents: 41692
diff changeset
3958 Py_DECREF(kwdict);
a405732a262d Patch #1686487: you can now pass any mapping after '**' in function calls.
Georg Brandl <georg@python.org>
parents: 41692
diff changeset
3959 kwdict = d;
15711
2481b5fe86d6 Revised implementation of CALL_FUNCTION and friends.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15364
diff changeset
3960 }
2481b5fe86d6 Revised implementation of CALL_FUNCTION and friends.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15364
diff changeset
3961 }
2481b5fe86d6 Revised implementation of CALL_FUNCTION and friends.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15364
diff changeset
3962 if (flags & CALL_FLAG_VAR) {
2481b5fe86d6 Revised implementation of CALL_FUNCTION and friends.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15364
diff changeset
3963 stararg = EXT_POP(*pp_stack);
2481b5fe86d6 Revised implementation of CALL_FUNCTION and friends.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15364
diff changeset
3964 if (!PyTuple_Check(stararg)) {
2481b5fe86d6 Revised implementation of CALL_FUNCTION and friends.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15364
diff changeset
3965 PyObject *t = NULL;
2481b5fe86d6 Revised implementation of CALL_FUNCTION and friends.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15364
diff changeset
3966 t = PySequence_Tuple(stararg);
2481b5fe86d6 Revised implementation of CALL_FUNCTION and friends.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15364
diff changeset
3967 if (t == NULL) {
17406
c9e07bc303a2 Fix exception handling for non-PyFunction objects, SF bug 414743.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17125
diff changeset
3968 if (PyErr_ExceptionMatches(PyExc_TypeError)) {
c9e07bc303a2 Fix exception handling for non-PyFunction objects, SF bug 414743.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17125
diff changeset
3969 PyErr_Format(PyExc_TypeError,
41807
a405732a262d Patch #1686487: you can now pass any mapping after '**' in function calls.
Georg Brandl <georg@python.org>
parents: 41692
diff changeset
3970 "%.200s%.200s argument after * "
a405732a262d Patch #1686487: you can now pass any mapping after '**' in function calls.
Georg Brandl <georg@python.org>
parents: 41692
diff changeset
3971 "must be a sequence, not %200s",
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18611
diff changeset
3972 PyEval_GetFuncName(func),
41807
a405732a262d Patch #1686487: you can now pass any mapping after '**' in function calls.
Georg Brandl <georg@python.org>
parents: 41692
diff changeset
3973 PyEval_GetFuncDesc(func),
a405732a262d Patch #1686487: you can now pass any mapping after '**' in function calls.
Georg Brandl <georg@python.org>
parents: 41692
diff changeset
3974 stararg->ob_type->tp_name);
17406
c9e07bc303a2 Fix exception handling for non-PyFunction objects, SF bug 414743.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17125
diff changeset
3975 }
15711
2481b5fe86d6 Revised implementation of CALL_FUNCTION and friends.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15364
diff changeset
3976 goto ext_call_fail;
2481b5fe86d6 Revised implementation of CALL_FUNCTION and friends.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15364
diff changeset
3977 }
2481b5fe86d6 Revised implementation of CALL_FUNCTION and friends.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15364
diff changeset
3978 Py_DECREF(stararg);
2481b5fe86d6 Revised implementation of CALL_FUNCTION and friends.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15364
diff changeset
3979 stararg = t;
2481b5fe86d6 Revised implementation of CALL_FUNCTION and friends.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15364
diff changeset
3980 }
2481b5fe86d6 Revised implementation of CALL_FUNCTION and friends.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15364
diff changeset
3981 nstar = PyTuple_GET_SIZE(stararg);
2481b5fe86d6 Revised implementation of CALL_FUNCTION and friends.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15364
diff changeset
3982 }
2481b5fe86d6 Revised implementation of CALL_FUNCTION and friends.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15364
diff changeset
3983 if (nk > 0) {
15899
152814f6cd11 This patch makes sure that the function name always appears in the error
Ka-Ping Yee <ping@zesty.ca>
parents: 15830
diff changeset
3984 kwdict = update_keyword_args(kwdict, nk, pp_stack, func);
15711
2481b5fe86d6 Revised implementation of CALL_FUNCTION and friends.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15364
diff changeset
3985 if (kwdict == NULL)
2481b5fe86d6 Revised implementation of CALL_FUNCTION and friends.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15364
diff changeset
3986 goto ext_call_fail;
2481b5fe86d6 Revised implementation of CALL_FUNCTION and friends.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15364
diff changeset
3987 }
2481b5fe86d6 Revised implementation of CALL_FUNCTION and friends.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15364
diff changeset
3988 callargs = update_star_args(na, nstar, stararg, pp_stack);
2481b5fe86d6 Revised implementation of CALL_FUNCTION and friends.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15364
diff changeset
3989 if (callargs == NULL)
2481b5fe86d6 Revised implementation of CALL_FUNCTION and friends.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15364
diff changeset
3990 goto ext_call_fail;
27712
16856c9514e0 Small function call optimization and special build option for call stats.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 27295
diff changeset
3991 #ifdef CALL_PROFILE
16856c9514e0 Small function call optimization and special build option for call stats.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 27295
diff changeset
3992 /* At this point, we have to look at the type of func to
16856c9514e0 Small function call optimization and special build option for call stats.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 27295
diff changeset
3993 update the call stats properly. Do it here so as to avoid
16856c9514e0 Small function call optimization and special build option for call stats.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 27295
diff changeset
3994 exposing the call stats machinery outside ceval.c
16856c9514e0 Small function call optimization and special build option for call stats.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 27295
diff changeset
3995 */
16856c9514e0 Small function call optimization and special build option for call stats.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 27295
diff changeset
3996 if (PyFunction_Check(func))
16856c9514e0 Small function call optimization and special build option for call stats.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 27295
diff changeset
3997 PCALL(PCALL_FUNCTION);
16856c9514e0 Small function call optimization and special build option for call stats.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 27295
diff changeset
3998 else if (PyMethod_Check(func))
16856c9514e0 Small function call optimization and special build option for call stats.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 27295
diff changeset
3999 PCALL(PCALL_METHOD);
16856c9514e0 Small function call optimization and special build option for call stats.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 27295
diff changeset
4000 else if (PyType_Check(func))
16856c9514e0 Small function call optimization and special build option for call stats.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 27295
diff changeset
4001 PCALL(PCALL_TYPE);
16856c9514e0 Small function call optimization and special build option for call stats.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 27295
diff changeset
4002 else
16856c9514e0 Small function call optimization and special build option for call stats.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 27295
diff changeset
4003 PCALL(PCALL_OTHER);
16856c9514e0 Small function call optimization and special build option for call stats.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 27295
diff changeset
4004 #endif
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18611
diff changeset
4005 result = PyObject_Call(func, callargs, kwdict);
43408
81478465fef3 Whitespace cleanup.
Thomas Wouters <thomas@python.org>
parents: 42333
diff changeset
4006 ext_call_fail:
15711
2481b5fe86d6 Revised implementation of CALL_FUNCTION and friends.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15364
diff changeset
4007 Py_XDECREF(callargs);
2481b5fe86d6 Revised implementation of CALL_FUNCTION and friends.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15364
diff changeset
4008 Py_XDECREF(kwdict);
2481b5fe86d6 Revised implementation of CALL_FUNCTION and friends.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15364
diff changeset
4009 Py_XDECREF(stararg);
2481b5fe86d6 Revised implementation of CALL_FUNCTION and friends.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15364
diff changeset
4010 return result;
2481b5fe86d6 Revised implementation of CALL_FUNCTION and friends.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15364
diff changeset
4011 }
2481b5fe86d6 Revised implementation of CALL_FUNCTION and friends.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15364
diff changeset
4012
36882
6a9c7165b17b Checking in the code for PEP 357.
Guido van Rossum <guido@python.org>
parents: 36877
diff changeset
4013 /* Extract a slice index from a PyInt or PyLong or an object with the
6a9c7165b17b Checking in the code for PEP 357.
Guido van Rossum <guido@python.org>
parents: 36877
diff changeset
4014 nb_index slot defined, and store in *pi.
6a9c7165b17b Checking in the code for PEP 357.
Guido van Rossum <guido@python.org>
parents: 36877
diff changeset
4015 Silently reduce values larger than PY_SSIZE_T_MAX to PY_SSIZE_T_MAX,
6a9c7165b17b Checking in the code for PEP 357.
Guido van Rossum <guido@python.org>
parents: 36877
diff changeset
4016 and silently boost values less than -PY_SSIZE_T_MAX-1 to -PY_SSIZE_T_MAX-1.
36558
d3685f9b7b71 Remove size constraints in SLICE opcodes.
Martin v. Löwis <martin@v.loewis.de>
parents: 36501
diff changeset
4017 Return 0 on error, 1 on success.
21440
30efe46f8e3c _PyEval_SliceIndex(): Repaired the comments, and added XXX comments
Tim Peters <tim.peters@gmail.com>
parents: 21398
diff changeset
4018 */
21441
05ad7a69d933 _PyEval_SliceIndex(): explain why a NULL argument is allowed (thanks
Tim Peters <tim.peters@gmail.com>
parents: 21440
diff changeset
4019 /* Note: If v is NULL, return success without storing into *pi. This
05ad7a69d933 _PyEval_SliceIndex(): explain why a NULL argument is allowed (thanks
Tim Peters <tim.peters@gmail.com>
parents: 21440
diff changeset
4020 is because_PyEval_SliceIndex() is called by apply_slice(), which can be
05ad7a69d933 _PyEval_SliceIndex(): explain why a NULL argument is allowed (thanks
Tim Peters <tim.peters@gmail.com>
parents: 21440
diff changeset
4021 called by the SLICE opcode with v and/or w equal to NULL.
21440
30efe46f8e3c _PyEval_SliceIndex(): Repaired the comments, and added XXX comments
Tim Peters <tim.peters@gmail.com>
parents: 21398
diff changeset
4022 */
12614
8d7ad3818ea6 Trent Mick:
Guido van Rossum <guido@python.org>
parents: 12579
diff changeset
4023 int
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36475
diff changeset
4024 _PyEval_SliceIndex(PyObject *v, Py_ssize_t *pi)
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
4025 {
21441
05ad7a69d933 _PyEval_SliceIndex(): explain why a NULL argument is allowed (thanks
Tim Peters <tim.peters@gmail.com>
parents: 21440
diff changeset
4026 if (v != NULL) {
36558
d3685f9b7b71 Remove size constraints in SLICE opcodes.
Martin v. Löwis <martin@v.loewis.de>
parents: 36501
diff changeset
4027 Py_ssize_t x;
11839
91cfb6e68ca4 Allow using long integers as slice indexes
Andrew M. Kuchling <amk@amk.ca>
parents: 11827
diff changeset
4028 if (PyInt_Check(v)) {
39463
6cafdc81cfde Patch #1538606, Patch to fix __index__() clipping.
Neal Norwitz <nnorwitz@gmail.com>
parents: 39455
diff changeset
4029 /* XXX(nnorwitz): I think PyInt_AS_LONG is correct,
6cafdc81cfde Patch #1538606, Patch to fix __index__() clipping.
Neal Norwitz <nnorwitz@gmail.com>
parents: 39455
diff changeset
4030 however, it looks like it should be AsSsize_t.
6cafdc81cfde Patch #1538606, Patch to fix __index__() clipping.
Neal Norwitz <nnorwitz@gmail.com>
parents: 39455
diff changeset
4031 There should be a comment here explaining why.
6cafdc81cfde Patch #1538606, Patch to fix __index__() clipping.
Neal Norwitz <nnorwitz@gmail.com>
parents: 39455
diff changeset
4032 */
6cafdc81cfde Patch #1538606, Patch to fix __index__() clipping.
Neal Norwitz <nnorwitz@gmail.com>
parents: 39455
diff changeset
4033 x = PyInt_AS_LONG(v);
38418
708eaf0896bf Patch 1145039.
Tim Peters <tim.peters@gmail.com>
parents: 38352
diff changeset
4034 }
39463
6cafdc81cfde Patch #1538606, Patch to fix __index__() clipping.
Neal Norwitz <nnorwitz@gmail.com>
parents: 39455
diff changeset
4035 else if (PyIndex_Check(v)) {
6cafdc81cfde Patch #1538606, Patch to fix __index__() clipping.
Neal Norwitz <nnorwitz@gmail.com>
parents: 39455
diff changeset
4036 x = PyNumber_AsSsize_t(v, NULL);
36882
6a9c7165b17b Checking in the code for PEP 357.
Guido van Rossum <guido@python.org>
parents: 36877
diff changeset
4037 if (x == -1 && PyErr_Occurred())
6a9c7165b17b Checking in the code for PEP 357.
Guido van Rossum <guido@python.org>
parents: 36877
diff changeset
4038 return 0;
6a9c7165b17b Checking in the code for PEP 357.
Guido van Rossum <guido@python.org>
parents: 36877
diff changeset
4039 }
6a9c7165b17b Checking in the code for PEP 357.
Guido van Rossum <guido@python.org>
parents: 36877
diff changeset
4040 else {
5405
b7871ca930ad Massive changes for separate thread state management.
Guido van Rossum <guido@python.org>
parents: 5368
diff changeset
4041 PyErr_SetString(PyExc_TypeError,
36882
6a9c7165b17b Checking in the code for PEP 357.
Guido van Rossum <guido@python.org>
parents: 36877
diff changeset
4042 "slice indices must be integers or "
6a9c7165b17b Checking in the code for PEP 357.
Guido van Rossum <guido@python.org>
parents: 36877
diff changeset
4043 "None or have an __index__ method");
12614
8d7ad3818ea6 Trent Mick:
Guido van Rossum <guido@python.org>
parents: 12579
diff changeset
4044 return 0;
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
4045 }
5405
b7871ca930ad Massive changes for separate thread state management.
Guido van Rossum <guido@python.org>
parents: 5368
diff changeset
4046 *pi = x;
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
4047 }
12614
8d7ad3818ea6 Trent Mick:
Guido van Rossum <guido@python.org>
parents: 12579
diff changeset
4048 return 1;
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
4049 }
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
4050
36882
6a9c7165b17b Checking in the code for PEP 357.
Guido van Rossum <guido@python.org>
parents: 36877
diff changeset
4051 #undef ISINDEX
39463
6cafdc81cfde Patch #1538606, Patch to fix __index__() clipping.
Neal Norwitz <nnorwitz@gmail.com>
parents: 39455
diff changeset
4052 #define ISINDEX(x) ((x) == NULL || \
6cafdc81cfde Patch #1538606, Patch to fix __index__() clipping.
Neal Norwitz <nnorwitz@gmail.com>
parents: 39455
diff changeset
4053 PyInt_Check(x) || PyLong_Check(x) || PyIndex_Check(x))
19369
8c2a29b7548e Fix SF bug #443600:
Guido van Rossum <guido@python.org>
parents: 19350
diff changeset
4054
38425
ca657e0bd09c needforspeed: backed out the Py_LOCAL-isation of ceval; the massive in-
Fredrik Lundh <fredrik@pythonware.com>
parents: 38418
diff changeset
4055 static PyObject *
13658
f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern'
Thomas Wouters <thomas@python.org>
parents: 13620
diff changeset
4056 apply_slice(PyObject *u, PyObject *v, PyObject *w) /* return u[v:w] */
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
4057 {
19369
8c2a29b7548e Fix SF bug #443600:
Guido van Rossum <guido@python.org>
parents: 19350
diff changeset
4058 PyTypeObject *tp = u->ob_type;
8c2a29b7548e Fix SF bug #443600:
Guido van Rossum <guido@python.org>
parents: 19350
diff changeset
4059 PySequenceMethods *sq = tp->tp_as_sequence;
8c2a29b7548e Fix SF bug #443600:
Guido van Rossum <guido@python.org>
parents: 19350
diff changeset
4060
36882
6a9c7165b17b Checking in the code for PEP 357.
Guido van Rossum <guido@python.org>
parents: 36877
diff changeset
4061 if (sq && sq->sq_slice && ISINDEX(v) && ISINDEX(w)) {
36558
d3685f9b7b71 Remove size constraints in SLICE opcodes.
Martin v. Löwis <martin@v.loewis.de>
parents: 36501
diff changeset
4062 Py_ssize_t ilow = 0, ihigh = PY_SSIZE_T_MAX;
19369
8c2a29b7548e Fix SF bug #443600:
Guido van Rossum <guido@python.org>
parents: 19350
diff changeset
4063 if (!_PyEval_SliceIndex(v, &ilow))
8c2a29b7548e Fix SF bug #443600:
Guido van Rossum <guido@python.org>
parents: 19350
diff changeset
4064 return NULL;
8c2a29b7548e Fix SF bug #443600:
Guido van Rossum <guido@python.org>
parents: 19350
diff changeset
4065 if (!_PyEval_SliceIndex(w, &ihigh))
8c2a29b7548e Fix SF bug #443600:
Guido van Rossum <guido@python.org>
parents: 19350
diff changeset
4066 return NULL;
8c2a29b7548e Fix SF bug #443600:
Guido van Rossum <guido@python.org>
parents: 19350
diff changeset
4067 return PySequence_GetSlice(u, ilow, ihigh);
8c2a29b7548e Fix SF bug #443600:
Guido van Rossum <guido@python.org>
parents: 19350
diff changeset
4068 }
8c2a29b7548e Fix SF bug #443600:
Guido van Rossum <guido@python.org>
parents: 19350
diff changeset
4069 else {
8c2a29b7548e Fix SF bug #443600:
Guido van Rossum <guido@python.org>
parents: 19350
diff changeset
4070 PyObject *slice = PySlice_New(v, w, NULL);
21171
2458cbcc1dd3 Fix the final two issues in Armin Rigo's SF bug #488477: apply_slice()
Guido van Rossum <guido@python.org>
parents: 21170
diff changeset
4071 if (slice != NULL) {
2458cbcc1dd3 Fix the final two issues in Armin Rigo's SF bug #488477: apply_slice()
Guido van Rossum <guido@python.org>
parents: 21170
diff changeset
4072 PyObject *res = PyObject_GetItem(u, slice);
2458cbcc1dd3 Fix the final two issues in Armin Rigo's SF bug #488477: apply_slice()
Guido van Rossum <guido@python.org>
parents: 21170
diff changeset
4073 Py_DECREF(slice);
2458cbcc1dd3 Fix the final two issues in Armin Rigo's SF bug #488477: apply_slice()
Guido van Rossum <guido@python.org>
parents: 21170
diff changeset
4074 return res;
2458cbcc1dd3 Fix the final two issues in Armin Rigo's SF bug #488477: apply_slice()
Guido van Rossum <guido@python.org>
parents: 21170
diff changeset
4075 }
19369
8c2a29b7548e Fix SF bug #443600:
Guido van Rossum <guido@python.org>
parents: 19350
diff changeset
4076 else
8c2a29b7548e Fix SF bug #443600:
Guido van Rossum <guido@python.org>
parents: 19350
diff changeset
4077 return NULL;
8c2a29b7548e Fix SF bug #443600:
Guido van Rossum <guido@python.org>
parents: 19350
diff changeset
4078 }
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
4079 }
86
a6934380c6e7 "Compiling" version
Guido van Rossum <guido@python.org>
parents: 72
diff changeset
4080
38425
ca657e0bd09c needforspeed: backed out the Py_LOCAL-isation of ceval; the massive in-
Fredrik Lundh <fredrik@pythonware.com>
parents: 38418
diff changeset
4081 static int
15948
3bc2440427d3 Rich comparisons fall-out:
Guido van Rossum <guido@python.org>
parents: 15899
diff changeset
4082 assign_slice(PyObject *u, PyObject *v, PyObject *w, PyObject *x)
3bc2440427d3 Rich comparisons fall-out:
Guido van Rossum <guido@python.org>
parents: 15899
diff changeset
4083 /* u[v:w] = x */
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
4084 {
19369
8c2a29b7548e Fix SF bug #443600:
Guido van Rossum <guido@python.org>
parents: 19350
diff changeset
4085 PyTypeObject *tp = u->ob_type;
8c2a29b7548e Fix SF bug #443600:
Guido van Rossum <guido@python.org>
parents: 19350
diff changeset
4086 PySequenceMethods *sq = tp->tp_as_sequence;
8c2a29b7548e Fix SF bug #443600:
Guido van Rossum <guido@python.org>
parents: 19350
diff changeset
4087
41007
6d3454c371dd Patch #1674228: when assigning a slice (old-style), check for the
Georg Brandl <georg@python.org>
parents: 40931
diff changeset
4088 if (sq && sq->sq_ass_slice && ISINDEX(v) && ISINDEX(w)) {
36558
d3685f9b7b71 Remove size constraints in SLICE opcodes.
Martin v. Löwis <martin@v.loewis.de>
parents: 36501
diff changeset
4089 Py_ssize_t ilow = 0, ihigh = PY_SSIZE_T_MAX;
19369
8c2a29b7548e Fix SF bug #443600:
Guido van Rossum <guido@python.org>
parents: 19350
diff changeset
4090 if (!_PyEval_SliceIndex(v, &ilow))
8c2a29b7548e Fix SF bug #443600:
Guido van Rossum <guido@python.org>
parents: 19350
diff changeset
4091 return -1;
8c2a29b7548e Fix SF bug #443600:
Guido van Rossum <guido@python.org>
parents: 19350
diff changeset
4092 if (!_PyEval_SliceIndex(w, &ihigh))
8c2a29b7548e Fix SF bug #443600:
Guido van Rossum <guido@python.org>
parents: 19350
diff changeset
4093 return -1;
8c2a29b7548e Fix SF bug #443600:
Guido van Rossum <guido@python.org>
parents: 19350
diff changeset
4094 if (x == NULL)
8c2a29b7548e Fix SF bug #443600:
Guido van Rossum <guido@python.org>
parents: 19350
diff changeset
4095 return PySequence_DelSlice(u, ilow, ihigh);
8c2a29b7548e Fix SF bug #443600:
Guido van Rossum <guido@python.org>
parents: 19350
diff changeset
4096 else
8c2a29b7548e Fix SF bug #443600:
Guido van Rossum <guido@python.org>
parents: 19350
diff changeset
4097 return PySequence_SetSlice(u, ilow, ihigh, x);
8c2a29b7548e Fix SF bug #443600:
Guido van Rossum <guido@python.org>
parents: 19350
diff changeset
4098 }
8c2a29b7548e Fix SF bug #443600:
Guido van Rossum <guido@python.org>
parents: 19350
diff changeset
4099 else {
8c2a29b7548e Fix SF bug #443600:
Guido van Rossum <guido@python.org>
parents: 19350
diff changeset
4100 PyObject *slice = PySlice_New(v, w, NULL);
8c2a29b7548e Fix SF bug #443600:
Guido van Rossum <guido@python.org>
parents: 19350
diff changeset
4101 if (slice != NULL) {
21171
2458cbcc1dd3 Fix the final two issues in Armin Rigo's SF bug #488477: apply_slice()
Guido van Rossum <guido@python.org>
parents: 21170
diff changeset
4102 int res;
19369
8c2a29b7548e Fix SF bug #443600:
Guido van Rossum <guido@python.org>
parents: 19350
diff changeset
4103 if (x != NULL)
21171
2458cbcc1dd3 Fix the final two issues in Armin Rigo's SF bug #488477: apply_slice()
Guido van Rossum <guido@python.org>
parents: 21170
diff changeset
4104 res = PyObject_SetItem(u, slice, x);
19369
8c2a29b7548e Fix SF bug #443600:
Guido van Rossum <guido@python.org>
parents: 19350
diff changeset
4105 else
21171
2458cbcc1dd3 Fix the final two issues in Armin Rigo's SF bug #488477: apply_slice()
Guido van Rossum <guido@python.org>
parents: 21170
diff changeset
4106 res = PyObject_DelItem(u, slice);
2458cbcc1dd3 Fix the final two issues in Armin Rigo's SF bug #488477: apply_slice()
Guido van Rossum <guido@python.org>
parents: 21170
diff changeset
4107 Py_DECREF(slice);
2458cbcc1dd3 Fix the final two issues in Armin Rigo's SF bug #488477: apply_slice()
Guido van Rossum <guido@python.org>
parents: 21170
diff changeset
4108 return res;
19369
8c2a29b7548e Fix SF bug #443600:
Guido van Rossum <guido@python.org>
parents: 19350
diff changeset
4109 }
8c2a29b7548e Fix SF bug #443600:
Guido van Rossum <guido@python.org>
parents: 19350
diff changeset
4110 else
8c2a29b7548e Fix SF bug #443600:
Guido van Rossum <guido@python.org>
parents: 19350
diff changeset
4111 return -1;
8c2a29b7548e Fix SF bug #443600:
Guido van Rossum <guido@python.org>
parents: 19350
diff changeset
4112 }
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
4113 }
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
4114
45818
ff0ab7b28f49 - Issue #2371: Add a Py3k warning when catching an exception that
Guido van Rossum <guido@python.org>
parents: 45703
diff changeset
4115 #define Py3kExceptionClass_Check(x) \
ff0ab7b28f49 - Issue #2371: Add a Py3k warning when catching an exception that
Guido van Rossum <guido@python.org>
parents: 45703
diff changeset
4116 (PyType_Check((x)) && \
ff0ab7b28f49 - Issue #2371: Add a Py3k warning when catching an exception that
Guido van Rossum <guido@python.org>
parents: 45703
diff changeset
4117 PyType_FastSubclass((PyTypeObject*)(x), Py_TPFLAGS_BASE_EXC_SUBCLASS))
ff0ab7b28f49 - Issue #2371: Add a Py3k warning when catching an exception that
Guido van Rossum <guido@python.org>
parents: 45703
diff changeset
4118
ff0ab7b28f49 - Issue #2371: Add a Py3k warning when catching an exception that
Guido van Rossum <guido@python.org>
parents: 45703
diff changeset
4119 #define CANNOT_CATCH_MSG "catching classes that don't inherit from " \
46075
84bb7701efba Make Py3k warnings consistent w.r.t. punctuation; also respect the
Georg Brandl <georg@python.org>
parents: 45827
diff changeset
4120 "BaseException is not allowed in 3.x"
45818
ff0ab7b28f49 - Issue #2371: Add a Py3k warning when catching an exception that
Guido van Rossum <guido@python.org>
parents: 45703
diff changeset
4121
38425
ca657e0bd09c needforspeed: backed out the Py_LOCAL-isation of ceval; the massive in-
Fredrik Lundh <fredrik@pythonware.com>
parents: 38418
diff changeset
4122 static PyObject *
13658
f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern'
Thomas Wouters <thomas@python.org>
parents: 13620
diff changeset
4123 cmp_outcome(int op, register PyObject *v, register PyObject *w)
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
4124 {
15948
3bc2440427d3 Rich comparisons fall-out:
Guido van Rossum <guido@python.org>
parents: 15899
diff changeset
4125 int res = 0;
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
4126 switch (op) {
21609
3ba0f1b20320 Patch #494783: Rename cmp_op enumerators.
Martin v. Löwis <martin@v.loewis.de>
parents: 21537
diff changeset
4127 case PyCmp_IS:
27295
b8387730dd8f SF patch #670367: Micro-optimizations for ceval.c
Raymond Hettinger <python@rcn.com>
parents: 27243
diff changeset
4128 res = (v == w);
b8387730dd8f SF patch #670367: Micro-optimizations for ceval.c
Raymond Hettinger <python@rcn.com>
parents: 27243
diff changeset
4129 break;
21609
3ba0f1b20320 Patch #494783: Rename cmp_op enumerators.
Martin v. Löwis <martin@v.loewis.de>
parents: 21537
diff changeset
4130 case PyCmp_IS_NOT:
27295
b8387730dd8f SF patch #670367: Micro-optimizations for ceval.c
Raymond Hettinger <python@rcn.com>
parents: 27243
diff changeset
4131 res = (v != w);
86
a6934380c6e7 "Compiling" version
Guido van Rossum <guido@python.org>
parents: 72
diff changeset
4132 break;
21609
3ba0f1b20320 Patch #494783: Rename cmp_op enumerators.
Martin v. Löwis <martin@v.loewis.de>
parents: 21537
diff changeset
4133 case PyCmp_IN:
27295
b8387730dd8f SF patch #670367: Micro-optimizations for ceval.c
Raymond Hettinger <python@rcn.com>
parents: 27243
diff changeset
4134 res = PySequence_Contains(w, v);
b8387730dd8f SF patch #670367: Micro-optimizations for ceval.c
Raymond Hettinger <python@rcn.com>
parents: 27243
diff changeset
4135 if (res < 0)
b8387730dd8f SF patch #670367: Micro-optimizations for ceval.c
Raymond Hettinger <python@rcn.com>
parents: 27243
diff changeset
4136 return NULL;
b8387730dd8f SF patch #670367: Micro-optimizations for ceval.c
Raymond Hettinger <python@rcn.com>
parents: 27243
diff changeset
4137 break;
21609
3ba0f1b20320 Patch #494783: Rename cmp_op enumerators.
Martin v. Löwis <martin@v.loewis.de>
parents: 21537
diff changeset
4138 case PyCmp_NOT_IN:
8403
c4df8b6637b6 Moved cmp_member() to abstract.c, as PySequence_Contains() [with
Guido van Rossum <guido@python.org>
parents: 8328
diff changeset
4139 res = PySequence_Contains(w, v);
86
a6934380c6e7 "Compiling" version
Guido van Rossum <guido@python.org>
parents: 72
diff changeset
4140 if (res < 0)
a6934380c6e7 "Compiling" version
Guido van Rossum <guido@python.org>
parents: 72
diff changeset
4141 return NULL;
27295
b8387730dd8f SF patch #670367: Micro-optimizations for ceval.c
Raymond Hettinger <python@rcn.com>
parents: 27243
diff changeset
4142 res = !res;
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
4143 break;
21609
3ba0f1b20320 Patch #494783: Rename cmp_op enumerators.
Martin v. Löwis <martin@v.loewis.de>
parents: 21537
diff changeset
4144 case PyCmp_EXC_MATCH:
40735
bd3739a87259 No more raising of string exceptions!
Brett Cannon <bcannon@gmail.com>
parents: 40560
diff changeset
4145 if (PyTuple_Check(w)) {
bd3739a87259 No more raising of string exceptions!
Brett Cannon <bcannon@gmail.com>
parents: 40560
diff changeset
4146 Py_ssize_t i, length;
bd3739a87259 No more raising of string exceptions!
Brett Cannon <bcannon@gmail.com>
parents: 40560
diff changeset
4147 length = PyTuple_Size(w);
bd3739a87259 No more raising of string exceptions!
Brett Cannon <bcannon@gmail.com>
parents: 40560
diff changeset
4148 for (i = 0; i < length; i += 1) {
bd3739a87259 No more raising of string exceptions!
Brett Cannon <bcannon@gmail.com>
parents: 40560
diff changeset
4149 PyObject *exc = PyTuple_GET_ITEM(w, i);
47527
52294af4b663 This reverts r63675 based on the discussion in this thread:
Gregory P. Smith <greg@mad-scientist.com>
parents: 47294
diff changeset
4150 if (PyString_Check(exc)) {
40735
bd3739a87259 No more raising of string exceptions!
Brett Cannon <bcannon@gmail.com>
parents: 40560
diff changeset
4151 int ret_val;
bd3739a87259 No more raising of string exceptions!
Brett Cannon <bcannon@gmail.com>
parents: 40560
diff changeset
4152 ret_val = PyErr_WarnEx(
43416
dc39dddea330 Try harder to stay within the 79-column limit. There's still two places that go (way) over, but those are harder to fix without suffering in readability.
Thomas Wouters <thomas@python.org>
parents: 43408
diff changeset
4153 PyExc_DeprecationWarning,
dc39dddea330 Try harder to stay within the 79-column limit. There's still two places that go (way) over, but those are harder to fix without suffering in readability.
Thomas Wouters <thomas@python.org>
parents: 43408
diff changeset
4154 "catching of string "
dc39dddea330 Try harder to stay within the 79-column limit. There's still two places that go (way) over, but those are harder to fix without suffering in readability.
Thomas Wouters <thomas@python.org>
parents: 43408
diff changeset
4155 "exceptions is deprecated", 1);
46578
7670005da8c5 A little reformating of Py3k warnings
Benjamin Peterson <benjamin@python.org>
parents: 46573
diff changeset
4156 if (ret_val < 0)
40735
bd3739a87259 No more raising of string exceptions!
Brett Cannon <bcannon@gmail.com>
parents: 40560
diff changeset
4157 return NULL;
bd3739a87259 No more raising of string exceptions!
Brett Cannon <bcannon@gmail.com>
parents: 40560
diff changeset
4158 }
45820
79fdc88ff9ec Clean up the Py3k warnings for non-BaseException-subclasses a bit. We
Guido van Rossum <guido@python.org>
parents: 45818
diff changeset
4159 else if (Py_Py3kWarningFlag &&
79fdc88ff9ec Clean up the Py3k warnings for non-BaseException-subclasses a bit. We
Guido van Rossum <guido@python.org>
parents: 45818
diff changeset
4160 !PyTuple_Check(exc) &&
79fdc88ff9ec Clean up the Py3k warnings for non-BaseException-subclasses a bit. We
Guido van Rossum <guido@python.org>
parents: 45818
diff changeset
4161 !Py3kExceptionClass_Check(exc))
45818
ff0ab7b28f49 - Issue #2371: Add a Py3k warning when catching an exception that
Guido van Rossum <guido@python.org>
parents: 45703
diff changeset
4162 {
ff0ab7b28f49 - Issue #2371: Add a Py3k warning when catching an exception that
Guido van Rossum <guido@python.org>
parents: 45703
diff changeset
4163 int ret_val;
ff0ab7b28f49 - Issue #2371: Add a Py3k warning when catching an exception that
Guido van Rossum <guido@python.org>
parents: 45703
diff changeset
4164 ret_val = PyErr_WarnEx(
ff0ab7b28f49 - Issue #2371: Add a Py3k warning when catching an exception that
Guido van Rossum <guido@python.org>
parents: 45703
diff changeset
4165 PyExc_DeprecationWarning,
ff0ab7b28f49 - Issue #2371: Add a Py3k warning when catching an exception that
Guido van Rossum <guido@python.org>
parents: 45703
diff changeset
4166 CANNOT_CATCH_MSG, 1);
46578
7670005da8c5 A little reformating of Py3k warnings
Benjamin Peterson <benjamin@python.org>
parents: 46573
diff changeset
4167 if (ret_val < 0)
45818
ff0ab7b28f49 - Issue #2371: Add a Py3k warning when catching an exception that
Guido van Rossum <guido@python.org>
parents: 45703
diff changeset
4168 return NULL;
ff0ab7b28f49 - Issue #2371: Add a Py3k warning when catching an exception that
Guido van Rossum <guido@python.org>
parents: 45703
diff changeset
4169 }
40735
bd3739a87259 No more raising of string exceptions!
Brett Cannon <bcannon@gmail.com>
parents: 40560
diff changeset
4170 }
bd3739a87259 No more raising of string exceptions!
Brett Cannon <bcannon@gmail.com>
parents: 40560
diff changeset
4171 }
bd3739a87259 No more raising of string exceptions!
Brett Cannon <bcannon@gmail.com>
parents: 40560
diff changeset
4172 else {
47527
52294af4b663 This reverts r63675 based on the discussion in this thread:
Gregory P. Smith <greg@mad-scientist.com>
parents: 47294
diff changeset
4173 if (PyString_Check(w)) {
40735
bd3739a87259 No more raising of string exceptions!
Brett Cannon <bcannon@gmail.com>
parents: 40560
diff changeset
4174 int ret_val;
bd3739a87259 No more raising of string exceptions!
Brett Cannon <bcannon@gmail.com>
parents: 40560
diff changeset
4175 ret_val = PyErr_WarnEx(
bd3739a87259 No more raising of string exceptions!
Brett Cannon <bcannon@gmail.com>
parents: 40560
diff changeset
4176 PyExc_DeprecationWarning,
bd3739a87259 No more raising of string exceptions!
Brett Cannon <bcannon@gmail.com>
parents: 40560
diff changeset
4177 "catching of string "
43416
dc39dddea330 Try harder to stay within the 79-column limit. There's still two places that go (way) over, but those are harder to fix without suffering in readability.
Thomas Wouters <thomas@python.org>
parents: 43408
diff changeset
4178 "exceptions is deprecated", 1);
46578
7670005da8c5 A little reformating of Py3k warnings
Benjamin Peterson <benjamin@python.org>
parents: 46573
diff changeset
4179 if (ret_val < 0)
40735
bd3739a87259 No more raising of string exceptions!
Brett Cannon <bcannon@gmail.com>
parents: 40560
diff changeset
4180 return NULL;
bd3739a87259 No more raising of string exceptions!
Brett Cannon <bcannon@gmail.com>
parents: 40560
diff changeset
4181 }
45820
79fdc88ff9ec Clean up the Py3k warnings for non-BaseException-subclasses a bit. We
Guido van Rossum <guido@python.org>
parents: 45818
diff changeset
4182 else if (Py_Py3kWarningFlag &&
79fdc88ff9ec Clean up the Py3k warnings for non-BaseException-subclasses a bit. We
Guido van Rossum <guido@python.org>
parents: 45818
diff changeset
4183 !PyTuple_Check(w) &&
79fdc88ff9ec Clean up the Py3k warnings for non-BaseException-subclasses a bit. We
Guido van Rossum <guido@python.org>
parents: 45818
diff changeset
4184 !Py3kExceptionClass_Check(w))
45818
ff0ab7b28f49 - Issue #2371: Add a Py3k warning when catching an exception that
Guido van Rossum <guido@python.org>
parents: 45703
diff changeset
4185 {
ff0ab7b28f49 - Issue #2371: Add a Py3k warning when catching an exception that
Guido van Rossum <guido@python.org>
parents: 45703
diff changeset
4186 int ret_val;
ff0ab7b28f49 - Issue #2371: Add a Py3k warning when catching an exception that
Guido van Rossum <guido@python.org>
parents: 45703
diff changeset
4187 ret_val = PyErr_WarnEx(
ff0ab7b28f49 - Issue #2371: Add a Py3k warning when catching an exception that
Guido van Rossum <guido@python.org>
parents: 45703
diff changeset
4188 PyExc_DeprecationWarning,
ff0ab7b28f49 - Issue #2371: Add a Py3k warning when catching an exception that
Guido van Rossum <guido@python.org>
parents: 45703
diff changeset
4189 CANNOT_CATCH_MSG, 1);
46578
7670005da8c5 A little reformating of Py3k warnings
Benjamin Peterson <benjamin@python.org>
parents: 46573
diff changeset
4190 if (ret_val < 0)
45818
ff0ab7b28f49 - Issue #2371: Add a Py3k warning when catching an exception that
Guido van Rossum <guido@python.org>
parents: 45703
diff changeset
4191 return NULL;
ff0ab7b28f49 - Issue #2371: Add a Py3k warning when catching an exception that
Guido van Rossum <guido@python.org>
parents: 45703
diff changeset
4192 }
40735
bd3739a87259 No more raising of string exceptions!
Brett Cannon <bcannon@gmail.com>
parents: 40560
diff changeset
4193 }
6147
b76a44163e0f cmp_exception gets promoted (essentially) to the C API function
Barry Warsaw <barry@python.org>
parents: 6139
diff changeset
4194 res = PyErr_GivenExceptionMatches(v, w);
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
4195 break;
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
4196 default:
15948
3bc2440427d3 Rich comparisons fall-out:
Guido van Rossum <guido@python.org>
parents: 15899
diff changeset
4197 return PyObject_RichCompare(v, w, op);
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
4198 }
5368
f2132d1f66a6 Quickly renamed.
Guido van Rossum <guido@python.org>
parents: 5177
diff changeset
4199 v = res ? Py_True : Py_False;
f2132d1f66a6 Quickly renamed.
Guido van Rossum <guido@python.org>
parents: 5177
diff changeset
4200 Py_INCREF(v);
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
4201 return v;
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
4202 }
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
4203
38425
ca657e0bd09c needforspeed: backed out the Py_LOCAL-isation of ceval; the massive in-
Fredrik Lundh <fredrik@pythonware.com>
parents: 38418
diff changeset
4204 static PyObject *
14038
18385172fac0 Apply SF patch #101135, adding 'import module as m' and 'from module import
Thomas Wouters <thomas@python.org>
parents: 13930
diff changeset
4205 import_from(PyObject *v, PyObject *name)
72
5e8a0b40a4bd Free parse tree after compiling.
Guido van Rossum <guido@python.org>
parents: 69
diff changeset
4206 {
15830
e00f718e4d8a Two changes to from...import:
Guido van Rossum <guido@python.org>
parents: 15814
diff changeset
4207 PyObject *x;
e00f718e4d8a Two changes to from...import:
Guido van Rossum <guido@python.org>
parents: 15814
diff changeset
4208
e00f718e4d8a Two changes to from...import:
Guido van Rossum <guido@python.org>
parents: 15814
diff changeset
4209 x = PyObject_GetAttr(v, name);
e00f718e4d8a Two changes to from...import:
Guido van Rossum <guido@python.org>
parents: 15814
diff changeset
4210 if (x == NULL && PyErr_ExceptionMatches(PyExc_AttributeError)) {
14038
18385172fac0 Apply SF patch #101135, adding 'import module as m' and 'from module import
Thomas Wouters <thomas@python.org>
parents: 13930
diff changeset
4211 PyErr_Format(PyExc_ImportError,
18385172fac0 Apply SF patch #101135, adding 'import module as m' and 'from module import
Thomas Wouters <thomas@python.org>
parents: 13930
diff changeset
4212 "cannot import name %.230s",
47527
52294af4b663 This reverts r63675 based on the discussion in this thread:
Gregory P. Smith <greg@mad-scientist.com>
parents: 47294
diff changeset
4213 PyString_AsString(name));
15830
e00f718e4d8a Two changes to from...import:
Guido van Rossum <guido@python.org>
parents: 15814
diff changeset
4214 }
14038
18385172fac0 Apply SF patch #101135, adding 'import module as m' and 'from module import
Thomas Wouters <thomas@python.org>
parents: 13930
diff changeset
4215 return x;
18385172fac0 Apply SF patch #101135, adding 'import module as m' and 'from module import
Thomas Wouters <thomas@python.org>
parents: 13930
diff changeset
4216 }
15948
3bc2440427d3 Rich comparisons fall-out:
Guido van Rossum <guido@python.org>
parents: 15899
diff changeset
4217
38425
ca657e0bd09c needforspeed: backed out the Py_LOCAL-isation of ceval; the massive in-
Fredrik Lundh <fredrik@pythonware.com>
parents: 38418
diff changeset
4218 static int
14038
18385172fac0 Apply SF patch #101135, adding 'import module as m' and 'from module import
Thomas Wouters <thomas@python.org>
parents: 13930
diff changeset
4219 import_all_from(PyObject *locals, PyObject *v)
18385172fac0 Apply SF patch #101135, adding 'import module as m' and 'from module import
Thomas Wouters <thomas@python.org>
parents: 13930
diff changeset
4220 {
15830
e00f718e4d8a Two changes to from...import:
Guido van Rossum <guido@python.org>
parents: 15814
diff changeset
4221 PyObject *all = PyObject_GetAttrString(v, "__all__");
e00f718e4d8a Two changes to from...import:
Guido van Rossum <guido@python.org>
parents: 15814
diff changeset
4222 PyObject *dict, *name, *value;
e00f718e4d8a Two changes to from...import:
Guido van Rossum <guido@python.org>
parents: 15814
diff changeset
4223 int skip_leading_underscores = 0;
e00f718e4d8a Two changes to from...import:
Guido van Rossum <guido@python.org>
parents: 15814
diff changeset
4224 int pos, err;
14038
18385172fac0 Apply SF patch #101135, adding 'import module as m' and 'from module import
Thomas Wouters <thomas@python.org>
parents: 13930
diff changeset
4225
15830
e00f718e4d8a Two changes to from...import:
Guido van Rossum <guido@python.org>
parents: 15814
diff changeset
4226 if (all == NULL) {
e00f718e4d8a Two changes to from...import:
Guido van Rossum <guido@python.org>
parents: 15814
diff changeset
4227 if (!PyErr_ExceptionMatches(PyExc_AttributeError))
e00f718e4d8a Two changes to from...import:
Guido van Rossum <guido@python.org>
parents: 15814
diff changeset
4228 return -1; /* Unexpected error */
e00f718e4d8a Two changes to from...import:
Guido van Rossum <guido@python.org>
parents: 15814
diff changeset
4229 PyErr_Clear();
e00f718e4d8a Two changes to from...import:
Guido van Rossum <guido@python.org>
parents: 15814
diff changeset
4230 dict = PyObject_GetAttrString(v, "__dict__");
e00f718e4d8a Two changes to from...import:
Guido van Rossum <guido@python.org>
parents: 15814
diff changeset
4231 if (dict == NULL) {
e00f718e4d8a Two changes to from...import:
Guido van Rossum <guido@python.org>
parents: 15814
diff changeset
4232 if (!PyErr_ExceptionMatches(PyExc_AttributeError))
e00f718e4d8a Two changes to from...import:
Guido van Rossum <guido@python.org>
parents: 15814
diff changeset
4233 return -1;
e00f718e4d8a Two changes to from...import:
Guido van Rossum <guido@python.org>
parents: 15814
diff changeset
4234 PyErr_SetString(PyExc_ImportError,
e00f718e4d8a Two changes to from...import:
Guido van Rossum <guido@python.org>
parents: 15814
diff changeset
4235 "from-import-* object has no __dict__ and no __all__");
e00f718e4d8a Two changes to from...import:
Guido van Rossum <guido@python.org>
parents: 15814
diff changeset
4236 return -1;
e00f718e4d8a Two changes to from...import:
Guido van Rossum <guido@python.org>
parents: 15814
diff changeset
4237 }
e00f718e4d8a Two changes to from...import:
Guido van Rossum <guido@python.org>
parents: 15814
diff changeset
4238 all = PyMapping_Keys(dict);
e00f718e4d8a Two changes to from...import:
Guido van Rossum <guido@python.org>
parents: 15814
diff changeset
4239 Py_DECREF(dict);
e00f718e4d8a Two changes to from...import:
Guido van Rossum <guido@python.org>
parents: 15814
diff changeset
4240 if (all == NULL)
e00f718e4d8a Two changes to from...import:
Guido van Rossum <guido@python.org>
parents: 15814
diff changeset
4241 return -1;
e00f718e4d8a Two changes to from...import:
Guido van Rossum <guido@python.org>
parents: 15814
diff changeset
4242 skip_leading_underscores = 1;
2052
d7e91437f0a2 Lots of changes, most minor (fatal() instead of abort(), use of
Guido van Rossum <guido@python.org>
parents: 2006
diff changeset
4243 }
14038
18385172fac0 Apply SF patch #101135, adding 'import module as m' and 'from module import
Thomas Wouters <thomas@python.org>
parents: 13930
diff changeset
4244
15830
e00f718e4d8a Two changes to from...import:
Guido van Rossum <guido@python.org>
parents: 15814
diff changeset
4245 for (pos = 0, err = 0; ; pos++) {
e00f718e4d8a Two changes to from...import:
Guido van Rossum <guido@python.org>
parents: 15814
diff changeset
4246 name = PySequence_GetItem(all, pos);
e00f718e4d8a Two changes to from...import:
Guido van Rossum <guido@python.org>
parents: 15814
diff changeset
4247 if (name == NULL) {
e00f718e4d8a Two changes to from...import:
Guido van Rossum <guido@python.org>
parents: 15814
diff changeset
4248 if (!PyErr_ExceptionMatches(PyExc_IndexError))
e00f718e4d8a Two changes to from...import:
Guido van Rossum <guido@python.org>
parents: 15814
diff changeset
4249 err = -1;
e00f718e4d8a Two changes to from...import:
Guido van Rossum <guido@python.org>
parents: 15814
diff changeset
4250 else
e00f718e4d8a Two changes to from...import:
Guido van Rossum <guido@python.org>
parents: 15814
diff changeset
4251 PyErr_Clear();
e00f718e4d8a Two changes to from...import:
Guido van Rossum <guido@python.org>
parents: 15814
diff changeset
4252 break;
e00f718e4d8a Two changes to from...import:
Guido van Rossum <guido@python.org>
parents: 15814
diff changeset
4253 }
e00f718e4d8a Two changes to from...import:
Guido van Rossum <guido@python.org>
parents: 15814
diff changeset
4254 if (skip_leading_underscores &&
47527
52294af4b663 This reverts r63675 based on the discussion in this thread:
Gregory P. Smith <greg@mad-scientist.com>
parents: 47294
diff changeset
4255 PyString_Check(name) &&
52294af4b663 This reverts r63675 based on the discussion in this thread:
Gregory P. Smith <greg@mad-scientist.com>
parents: 47294
diff changeset
4256 PyString_AS_STRING(name)[0] == '_')
15830
e00f718e4d8a Two changes to from...import:
Guido van Rossum <guido@python.org>
parents: 15814
diff changeset
4257 {
e00f718e4d8a Two changes to from...import:
Guido van Rossum <guido@python.org>
parents: 15814
diff changeset
4258 Py_DECREF(name);
e00f718e4d8a Two changes to from...import:
Guido van Rossum <guido@python.org>
parents: 15814
diff changeset
4259 continue;
e00f718e4d8a Two changes to from...import:
Guido van Rossum <guido@python.org>
parents: 15814
diff changeset
4260 }
e00f718e4d8a Two changes to from...import:
Guido van Rossum <guido@python.org>
parents: 15814
diff changeset
4261 value = PyObject_GetAttr(v, name);
e00f718e4d8a Two changes to from...import:
Guido van Rossum <guido@python.org>
parents: 15814
diff changeset
4262 if (value == NULL)
e00f718e4d8a Two changes to from...import:
Guido van Rossum <guido@python.org>
parents: 15814
diff changeset
4263 err = -1;
40405
4e368e82c70d Forgot a case where the locals can now be a general mapping
Armin Rigo <arigo@tunes.org>
parents: 40193
diff changeset
4264 else if (PyDict_CheckExact(locals))
4e368e82c70d Forgot a case where the locals can now be a general mapping
Armin Rigo <arigo@tunes.org>
parents: 40193
diff changeset
4265 err = PyDict_SetItem(locals, name, value);
15830
e00f718e4d8a Two changes to from...import:
Guido van Rossum <guido@python.org>
parents: 15814
diff changeset
4266 else
40405
4e368e82c70d Forgot a case where the locals can now be a general mapping
Armin Rigo <arigo@tunes.org>
parents: 40193
diff changeset
4267 err = PyObject_SetItem(locals, name, value);
15830
e00f718e4d8a Two changes to from...import:
Guido van Rossum <guido@python.org>
parents: 15814
diff changeset
4268 Py_DECREF(name);
e00f718e4d8a Two changes to from...import:
Guido van Rossum <guido@python.org>
parents: 15814
diff changeset
4269 Py_XDECREF(value);
14038
18385172fac0 Apply SF patch #101135, adding 'import module as m' and 'from module import
Thomas Wouters <thomas@python.org>
parents: 13930
diff changeset
4270 if (err != 0)
15830
e00f718e4d8a Two changes to from...import:
Guido van Rossum <guido@python.org>
parents: 15814
diff changeset
4271 break;
72
5e8a0b40a4bd Free parse tree after compiling.
Guido van Rossum <guido@python.org>
parents: 69
diff changeset
4272 }
15830
e00f718e4d8a Two changes to from...import:
Guido van Rossum <guido@python.org>
parents: 15814
diff changeset
4273 Py_DECREF(all);
e00f718e4d8a Two changes to from...import:
Guido van Rossum <guido@python.org>
parents: 15814
diff changeset
4274 return err;
72
5e8a0b40a4bd Free parse tree after compiling.
Guido van Rossum <guido@python.org>
parents: 69
diff changeset
4275 }
5e8a0b40a4bd Free parse tree after compiling.
Guido van Rossum <guido@python.org>
parents: 69
diff changeset
4276
38425
ca657e0bd09c needforspeed: backed out the Py_LOCAL-isation of ceval; the massive in-
Fredrik Lundh <fredrik@pythonware.com>
parents: 38418
diff changeset
4277 static PyObject *
13658
f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern'
Thomas Wouters <thomas@python.org>
parents: 13620
diff changeset
4278 build_class(PyObject *methods, PyObject *bases, PyObject *name)
72
5e8a0b40a4bd Free parse tree after compiling.
Guido van Rossum <guido@python.org>
parents: 69
diff changeset
4279 {
19890
31fe8b3e276b build_class(): one more (hopefully the last) step on the way to
Guido van Rossum <guido@python.org>
parents: 19692
diff changeset
4280 PyObject *metaclass = NULL, *result, *base;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18611
diff changeset
4281
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18611
diff changeset
4282 if (PyDict_Check(methods))
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18611
diff changeset
4283 metaclass = PyDict_GetItemString(methods, "__metaclass__");
19890
31fe8b3e276b build_class(): one more (hopefully the last) step on the way to
Guido van Rossum <guido@python.org>
parents: 19692
diff changeset
4284 if (metaclass != NULL)
21252
e386f6e26a42 Fix a typo (probably caused by autocompletion <blush>) that caused a
Guido van Rossum <guido@python.org>
parents: 21251
diff changeset
4285 Py_INCREF(metaclass);
19890
31fe8b3e276b build_class(): one more (hopefully the last) step on the way to
Guido van Rossum <guido@python.org>
parents: 19692
diff changeset
4286 else if (PyTuple_Check(bases) && PyTuple_GET_SIZE(bases) > 0) {
31fe8b3e276b build_class(): one more (hopefully the last) step on the way to
Guido van Rossum <guido@python.org>
parents: 19692
diff changeset
4287 base = PyTuple_GET_ITEM(bases, 0);
31fe8b3e276b build_class(): one more (hopefully the last) step on the way to
Guido van Rossum <guido@python.org>
parents: 19692
diff changeset
4288 metaclass = PyObject_GetAttrString(base, "__class__");
31fe8b3e276b build_class(): one more (hopefully the last) step on the way to
Guido van Rossum <guido@python.org>
parents: 19692
diff changeset
4289 if (metaclass == NULL) {
31fe8b3e276b build_class(): one more (hopefully the last) step on the way to
Guido van Rossum <guido@python.org>
parents: 19692
diff changeset
4290 PyErr_Clear();
31fe8b3e276b build_class(): one more (hopefully the last) step on the way to
Guido van Rossum <guido@python.org>
parents: 19692
diff changeset
4291 metaclass = (PyObject *)base->ob_type;
31fe8b3e276b build_class(): one more (hopefully the last) step on the way to
Guido van Rossum <guido@python.org>
parents: 19692
diff changeset
4292 Py_INCREF(metaclass);
1288
9fed5726a36d Several changes in one:
Guido van Rossum <guido@python.org>
parents: 1282
diff changeset
4293 }
9fed5726a36d Several changes in one:
Guido van Rossum <guido@python.org>
parents: 1282
diff changeset
4294 }
19890
31fe8b3e276b build_class(): one more (hopefully the last) step on the way to
Guido van Rossum <guido@python.org>
parents: 19692
diff changeset
4295 else {
31fe8b3e276b build_class(): one more (hopefully the last) step on the way to
Guido van Rossum <guido@python.org>
parents: 19692
diff changeset
4296 PyObject *g = PyEval_GetGlobals();
31fe8b3e276b build_class(): one more (hopefully the last) step on the way to
Guido van Rossum <guido@python.org>
parents: 19692
diff changeset
4297 if (g != NULL && PyDict_Check(g))
31fe8b3e276b build_class(): one more (hopefully the last) step on the way to
Guido van Rossum <guido@python.org>
parents: 19692
diff changeset
4298 metaclass = PyDict_GetItemString(g, "__metaclass__");
31fe8b3e276b build_class(): one more (hopefully the last) step on the way to
Guido van Rossum <guido@python.org>
parents: 19692
diff changeset
4299 if (metaclass == NULL)
31fe8b3e276b build_class(): one more (hopefully the last) step on the way to
Guido van Rossum <guido@python.org>
parents: 19692
diff changeset
4300 metaclass = (PyObject *) &PyClass_Type;
31fe8b3e276b build_class(): one more (hopefully the last) step on the way to
Guido van Rossum <guido@python.org>
parents: 19692
diff changeset
4301 Py_INCREF(metaclass);
31fe8b3e276b build_class(): one more (hopefully the last) step on the way to
Guido van Rossum <guido@python.org>
parents: 19692
diff changeset
4302 }
40931
ece8a39fa282 Reformat long lines.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 40904
diff changeset
4303 result = PyObject_CallFunctionObjArgs(metaclass, name, bases, methods,
43408
81478465fef3 Whitespace cleanup.
Thomas Wouters <thomas@python.org>
parents: 42333
diff changeset
4304 NULL);
19890
31fe8b3e276b build_class(): one more (hopefully the last) step on the way to
Guido van Rossum <guido@python.org>
parents: 19692
diff changeset
4305 Py_DECREF(metaclass);
32247
a98f50e50bef SF bug #963956: Bad error mesage when subclassing a module
Raymond Hettinger <python@rcn.com>
parents: 32175
diff changeset
4306 if (result == NULL && PyErr_ExceptionMatches(PyExc_TypeError)) {
38418
708eaf0896bf Patch 1145039.
Tim Peters <tim.peters@gmail.com>
parents: 38352
diff changeset
4307 /* A type error here likely means that the user passed
32247
a98f50e50bef SF bug #963956: Bad error mesage when subclassing a module
Raymond Hettinger <python@rcn.com>
parents: 32175
diff changeset
4308 in a base that was not a class (such the random module
a98f50e50bef SF bug #963956: Bad error mesage when subclassing a module
Raymond Hettinger <python@rcn.com>
parents: 32175
diff changeset
4309 instead of the random.random type). Help them out with
33501
af9bedd5a8e7 SF bug #1014215: Unspecific errors with metaclass
Raymond Hettinger <python@rcn.com>
parents: 33318
diff changeset
4310 by augmenting the error message with more information.*/
af9bedd5a8e7 SF bug #1014215: Unspecific errors with metaclass
Raymond Hettinger <python@rcn.com>
parents: 33318
diff changeset
4311
af9bedd5a8e7 SF bug #1014215: Unspecific errors with metaclass
Raymond Hettinger <python@rcn.com>
parents: 33318
diff changeset
4312 PyObject *ptype, *pvalue, *ptraceback;
af9bedd5a8e7 SF bug #1014215: Unspecific errors with metaclass
Raymond Hettinger <python@rcn.com>
parents: 33318
diff changeset
4313
af9bedd5a8e7 SF bug #1014215: Unspecific errors with metaclass
Raymond Hettinger <python@rcn.com>
parents: 33318
diff changeset
4314 PyErr_Fetch(&ptype, &pvalue, &ptraceback);
47527
52294af4b663 This reverts r63675 based on the discussion in this thread:
Gregory P. Smith <greg@mad-scientist.com>
parents: 47294
diff changeset
4315 if (PyString_Check(pvalue)) {
33501
af9bedd5a8e7 SF bug #1014215: Unspecific errors with metaclass
Raymond Hettinger <python@rcn.com>
parents: 33318
diff changeset
4316 PyObject *newmsg;
47527
52294af4b663 This reverts r63675 based on the discussion in this thread:
Gregory P. Smith <greg@mad-scientist.com>
parents: 47294
diff changeset
4317 newmsg = PyString_FromFormat(
40931
ece8a39fa282 Reformat long lines.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 40904
diff changeset
4318 "Error when calling the metaclass bases\n"
43408
81478465fef3 Whitespace cleanup.
Thomas Wouters <thomas@python.org>
parents: 42333
diff changeset
4319 " %s",
47527
52294af4b663 This reverts r63675 based on the discussion in this thread:
Gregory P. Smith <greg@mad-scientist.com>
parents: 47294
diff changeset
4320 PyString_AS_STRING(pvalue));
33501
af9bedd5a8e7 SF bug #1014215: Unspecific errors with metaclass
Raymond Hettinger <python@rcn.com>
parents: 33318
diff changeset
4321 if (newmsg != NULL) {
af9bedd5a8e7 SF bug #1014215: Unspecific errors with metaclass
Raymond Hettinger <python@rcn.com>
parents: 33318
diff changeset
4322 Py_DECREF(pvalue);
af9bedd5a8e7 SF bug #1014215: Unspecific errors with metaclass
Raymond Hettinger <python@rcn.com>
parents: 33318
diff changeset
4323 pvalue = newmsg;
af9bedd5a8e7 SF bug #1014215: Unspecific errors with metaclass
Raymond Hettinger <python@rcn.com>
parents: 33318
diff changeset
4324 }
af9bedd5a8e7 SF bug #1014215: Unspecific errors with metaclass
Raymond Hettinger <python@rcn.com>
parents: 33318
diff changeset
4325 }
af9bedd5a8e7 SF bug #1014215: Unspecific errors with metaclass
Raymond Hettinger <python@rcn.com>
parents: 33318
diff changeset
4326 PyErr_Restore(ptype, pvalue, ptraceback);
32247
a98f50e50bef SF bug #963956: Bad error mesage when subclassing a module
Raymond Hettinger <python@rcn.com>
parents: 32175
diff changeset
4327 }
19890
31fe8b3e276b build_class(): one more (hopefully the last) step on the way to
Guido van Rossum <guido@python.org>
parents: 19692
diff changeset
4328 return result;
1288
9fed5726a36d Several changes in one:
Guido van Rossum <guido@python.org>
parents: 1282
diff changeset
4329 }
9fed5726a36d Several changes in one:
Guido van Rossum <guido@python.org>
parents: 1282
diff changeset
4330
38425
ca657e0bd09c needforspeed: backed out the Py_LOCAL-isation of ceval; the massive in-
Fredrik Lundh <fredrik@pythonware.com>
parents: 38418
diff changeset
4331 static int
13658
f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern'
Thomas Wouters <thomas@python.org>
parents: 13620
diff changeset
4332 exec_statement(PyFrameObject *f, PyObject *prog, PyObject *globals,
f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern'
Thomas Wouters <thomas@python.org>
parents: 13620
diff changeset
4333 PyObject *locals)
1354
fccd415e2eb8 * bltinmodule.c: removed exec() built-in function.
Guido van Rossum <guido@python.org>
parents: 1319
diff changeset
4334 {
fccd415e2eb8 * bltinmodule.c: removed exec() built-in function.
Guido van Rossum <guido@python.org>
parents: 1319
diff changeset
4335 int n;
5368
f2132d1f66a6 Quickly renamed.
Guido van Rossum <guido@python.org>
parents: 5177
diff changeset
4336 PyObject *v;
2844
0261bf5b3819 keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents: 2813
diff changeset
4337 int plain = 0;
1354
fccd415e2eb8 * bltinmodule.c: removed exec() built-in function.
Guido van Rossum <guido@python.org>
parents: 1319
diff changeset
4338
5368
f2132d1f66a6 Quickly renamed.
Guido van Rossum <guido@python.org>
parents: 5177
diff changeset
4339 if (PyTuple_Check(prog) && globals == Py_None && locals == Py_None &&
f2132d1f66a6 Quickly renamed.
Guido van Rossum <guido@python.org>
parents: 5177
diff changeset
4340 ((n = PyTuple_Size(prog)) == 2 || n == 3)) {
1354
fccd415e2eb8 * bltinmodule.c: removed exec() built-in function.
Guido van Rossum <guido@python.org>
parents: 1319
diff changeset
4341 /* Backward compatibility hack */
5368
f2132d1f66a6 Quickly renamed.
Guido van Rossum <guido@python.org>
parents: 5177
diff changeset
4342 globals = PyTuple_GetItem(prog, 1);
1354
fccd415e2eb8 * bltinmodule.c: removed exec() built-in function.
Guido van Rossum <guido@python.org>
parents: 1319
diff changeset
4343 if (n == 3)
5368
f2132d1f66a6 Quickly renamed.
Guido van Rossum <guido@python.org>
parents: 5177
diff changeset
4344 locals = PyTuple_GetItem(prog, 2);
f2132d1f66a6 Quickly renamed.
Guido van Rossum <guido@python.org>
parents: 5177
diff changeset
4345 prog = PyTuple_GetItem(prog, 0);
1354
fccd415e2eb8 * bltinmodule.c: removed exec() built-in function.
Guido van Rossum <guido@python.org>
parents: 1319
diff changeset
4346 }
5368
f2132d1f66a6 Quickly renamed.
Guido van Rossum <guido@python.org>
parents: 5177
diff changeset
4347 if (globals == Py_None) {
f2132d1f66a6 Quickly renamed.
Guido van Rossum <guido@python.org>
parents: 5177
diff changeset
4348 globals = PyEval_GetGlobals();
f2132d1f66a6 Quickly renamed.
Guido van Rossum <guido@python.org>
parents: 5177
diff changeset
4349 if (locals == Py_None) {
f2132d1f66a6 Quickly renamed.
Guido van Rossum <guido@python.org>
parents: 5177
diff changeset
4350 locals = PyEval_GetLocals();
2844
0261bf5b3819 keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents: 2813
diff changeset
4351 plain = 1;
0261bf5b3819 keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents: 2813
diff changeset
4352 }
39466
c7ff02c1559f Move/copy assert for tstate != NULL before first use.
Neal Norwitz <nnorwitz@gmail.com>
parents: 39463
diff changeset
4353 if (!globals || !locals) {
c7ff02c1559f Move/copy assert for tstate != NULL before first use.
Neal Norwitz <nnorwitz@gmail.com>
parents: 39463
diff changeset
4354 PyErr_SetString(PyExc_SystemError,
c7ff02c1559f Move/copy assert for tstate != NULL before first use.
Neal Norwitz <nnorwitz@gmail.com>
parents: 39463
diff changeset
4355 "globals and locals cannot be NULL");
c7ff02c1559f Move/copy assert for tstate != NULL before first use.
Neal Norwitz <nnorwitz@gmail.com>
parents: 39463
diff changeset
4356 return -1;
c7ff02c1559f Move/copy assert for tstate != NULL before first use.
Neal Norwitz <nnorwitz@gmail.com>
parents: 39463
diff changeset
4357 }
1354
fccd415e2eb8 * bltinmodule.c: removed exec() built-in function.
Guido van Rossum <guido@python.org>
parents: 1319
diff changeset
4358 }
5368
f2132d1f66a6 Quickly renamed.
Guido van Rossum <guido@python.org>
parents: 5177
diff changeset
4359 else if (locals == Py_None)
1354
fccd415e2eb8 * bltinmodule.c: removed exec() built-in function.
Guido van Rossum <guido@python.org>
parents: 1319
diff changeset
4360 locals = globals;
47527
52294af4b663 This reverts r63675 based on the discussion in this thread:
Gregory P. Smith <greg@mad-scientist.com>
parents: 47294
diff changeset
4361 if (!PyString_Check(prog) &&
14696
85038a024b19 This patch adds a new Python C API called PyString_AsStringAndSize()
Marc-André Lemburg <mal@egenix.com>
parents: 14375
diff changeset
4362 !PyUnicode_Check(prog) &&
5368
f2132d1f66a6 Quickly renamed.
Guido van Rossum <guido@python.org>
parents: 5177
diff changeset
4363 !PyCode_Check(prog) &&
f2132d1f66a6 Quickly renamed.
Guido van Rossum <guido@python.org>
parents: 5177
diff changeset
4364 !PyFile_Check(prog)) {
f2132d1f66a6 Quickly renamed.
Guido van Rossum <guido@python.org>
parents: 5177
diff changeset
4365 PyErr_SetString(PyExc_TypeError,
15948
3bc2440427d3 Rich comparisons fall-out:
Guido van Rossum <guido@python.org>
parents: 15899
diff changeset
4366 "exec: arg 1 must be a string, file, or code object");
1354
fccd415e2eb8 * bltinmodule.c: removed exec() built-in function.
Guido van Rossum <guido@python.org>
parents: 1319
diff changeset
4367 return -1;
fccd415e2eb8 * bltinmodule.c: removed exec() built-in function.
Guido van Rossum <guido@python.org>
parents: 1319
diff changeset
4368 }
15318
8aa947e1eee8 Ka-Ping Yee <ping@lfw.org>:
Fred Drake <fdrake@acm.org>
parents: 15166
diff changeset
4369 if (!PyDict_Check(globals)) {
5368
f2132d1f66a6 Quickly renamed.
Guido van Rossum <guido@python.org>
parents: 5177
diff changeset
4370 PyErr_SetString(PyExc_TypeError,
15318
8aa947e1eee8 Ka-Ping Yee <ping@lfw.org>:
Fred Drake <fdrake@acm.org>
parents: 15166
diff changeset
4371 "exec: arg 2 must be a dictionary or None");
8aa947e1eee8 Ka-Ping Yee <ping@lfw.org>:
Fred Drake <fdrake@acm.org>
parents: 15166
diff changeset
4372 return -1;
8aa947e1eee8 Ka-Ping Yee <ping@lfw.org>:
Fred Drake <fdrake@acm.org>
parents: 15166
diff changeset
4373 }
32890
b8c2aa2be19a Completed the patch for Bug #215126.
Raymond Hettinger <python@rcn.com>
parents: 32531
diff changeset
4374 if (!PyMapping_Check(locals)) {
15318
8aa947e1eee8 Ka-Ping Yee <ping@lfw.org>:
Fred Drake <fdrake@acm.org>
parents: 15166
diff changeset
4375 PyErr_SetString(PyExc_TypeError,
32890
b8c2aa2be19a Completed the patch for Bug #215126.
Raymond Hettinger <python@rcn.com>
parents: 32531
diff changeset
4376 "exec: arg 3 must be a mapping or None");
1354
fccd415e2eb8 * bltinmodule.c: removed exec() built-in function.
Guido van Rossum <guido@python.org>
parents: 1319
diff changeset
4377 return -1;
fccd415e2eb8 * bltinmodule.c: removed exec() built-in function.
Guido van Rossum <guido@python.org>
parents: 1319
diff changeset
4378 }
5368
f2132d1f66a6 Quickly renamed.
Guido van Rossum <guido@python.org>
parents: 5177
diff changeset
4379 if (PyDict_GetItemString(globals, "__builtins__") == NULL)
5405
b7871ca930ad Massive changes for separate thread state management.
Guido van Rossum <guido@python.org>
parents: 5368
diff changeset
4380 PyDict_SetItemString(globals, "__builtins__", f->f_builtins);
5368
f2132d1f66a6 Quickly renamed.
Guido van Rossum <guido@python.org>
parents: 5177
diff changeset
4381 if (PyCode_Check(prog)) {
21398
de125792bfaa Fix for SF bug [ #492403 ] exec() segfaults on closure's func_code
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 21270
diff changeset
4382 if (PyCode_GetNumFree((PyCodeObject *)prog) > 0) {
de125792bfaa Fix for SF bug [ #492403 ] exec() segfaults on closure's func_code
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 21270
diff changeset
4383 PyErr_SetString(PyExc_TypeError,
de125792bfaa Fix for SF bug [ #492403 ] exec() segfaults on closure's func_code
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 21270
diff changeset
4384 "code object passed to exec may not contain free variables");
de125792bfaa Fix for SF bug [ #492403 ] exec() segfaults on closure's func_code
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 21270
diff changeset
4385 return -1;
de125792bfaa Fix for SF bug [ #492403 ] exec() segfaults on closure's func_code
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 21270
diff changeset
4386 }
11651
d88996e46cb2 Fix a bug in exec_statement() noted incidentally by Tim Peters in
Guido van Rossum <guido@python.org>
parents: 11468
diff changeset
4387 v = PyEval_EvalCode((PyCodeObject *) prog, globals, locals);
1354
fccd415e2eb8 * bltinmodule.c: removed exec() built-in function.
Guido van Rossum <guido@python.org>
parents: 1319
diff changeset
4388 }
11651
d88996e46cb2 Fix a bug in exec_statement() noted incidentally by Tim Peters in
Guido van Rossum <guido@python.org>
parents: 11468
diff changeset
4389 else if (PyFile_Check(prog)) {
5368
f2132d1f66a6 Quickly renamed.
Guido van Rossum <guido@python.org>
parents: 5177
diff changeset
4390 FILE *fp = PyFile_AsFile(prog);
47527
52294af4b663 This reverts r63675 based on the discussion in this thread:
Gregory P. Smith <greg@mad-scientist.com>
parents: 47294
diff changeset
4391 char *name = PyString_AsString(PyFile_Name(prog));
40904
191c48ca8bf9 Put declarations before code.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 40903
diff changeset
4392 PyCompilerFlags cf;
43408
81478465fef3 Whitespace cleanup.
Thomas Wouters <thomas@python.org>
parents: 42333
diff changeset
4393 if (name == NULL)
81478465fef3 Whitespace cleanup.
Thomas Wouters <thomas@python.org>
parents: 42333
diff changeset
4394 return -1;
18611
fdb36a0c7e6e Part way to allowing "from __future__ import generators" to communicate
Tim Peters <tim.peters@gmail.com>
parents: 18513
diff changeset
4395 cf.cf_flags = 0;
fdb36a0c7e6e Part way to allowing "from __future__ import generators" to communicate
Tim Peters <tim.peters@gmail.com>
parents: 18513
diff changeset
4396 if (PyEval_MergeCompilerFlags(&cf))
17125
2054cea38754 Extend support for from __future__ import nested_scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17124
diff changeset
4397 v = PyRun_FileFlags(fp, name, Py_file_input, globals,
31872
9f5fe6b23e59 Since the fast_yield branch target was introduced, it appears that most
Tim Peters <tim.peters@gmail.com>
parents: 31797
diff changeset
4398 locals, &cf);
18611
fdb36a0c7e6e Part way to allowing "from __future__ import generators" to communicate
Tim Peters <tim.peters@gmail.com>
parents: 18513
diff changeset
4399 else
17125
2054cea38754 Extend support for from __future__ import nested_scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17124
diff changeset
4400 v = PyRun_File(fp, name, Py_file_input, globals,
31872
9f5fe6b23e59 Since the fast_yield branch target was introduced, it appears that most
Tim Peters <tim.peters@gmail.com>
parents: 31797
diff changeset
4401 locals);
1354
fccd415e2eb8 * bltinmodule.c: removed exec() built-in function.
Guido van Rossum <guido@python.org>
parents: 1319
diff changeset
4402 }
11651
d88996e46cb2 Fix a bug in exec_statement() noted incidentally by Tim Peters in
Guido van Rossum <guido@python.org>
parents: 11468
diff changeset
4403 else {
27781
cc01fb654ce3 patch #683515: "Add unicode support to compile(), eval() and exec"
Just van Rossum <just@letterror.com>
parents: 27712
diff changeset
4404 PyObject *tmp = NULL;
14696
85038a024b19 This patch adds a new Python C API called PyString_AsStringAndSize()
Marc-André Lemburg <mal@egenix.com>
parents: 14375
diff changeset
4405 char *str;
18611
fdb36a0c7e6e Part way to allowing "from __future__ import generators" to communicate
Tim Peters <tim.peters@gmail.com>
parents: 18513
diff changeset
4406 PyCompilerFlags cf;
27781
cc01fb654ce3 patch #683515: "Add unicode support to compile(), eval() and exec"
Just van Rossum <just@letterror.com>
parents: 27712
diff changeset
4407 cf.cf_flags = 0;
cc01fb654ce3 patch #683515: "Add unicode support to compile(), eval() and exec"
Just van Rossum <just@letterror.com>
parents: 27712
diff changeset
4408 #ifdef Py_USING_UNICODE
cc01fb654ce3 patch #683515: "Add unicode support to compile(), eval() and exec"
Just van Rossum <just@letterror.com>
parents: 27712
diff changeset
4409 if (PyUnicode_Check(prog)) {
cc01fb654ce3 patch #683515: "Add unicode support to compile(), eval() and exec"
Just van Rossum <just@letterror.com>
parents: 27712
diff changeset
4410 tmp = PyUnicode_AsUTF8String(prog);
cc01fb654ce3 patch #683515: "Add unicode support to compile(), eval() and exec"
Just van Rossum <just@letterror.com>
parents: 27712
diff changeset
4411 if (tmp == NULL)
cc01fb654ce3 patch #683515: "Add unicode support to compile(), eval() and exec"
Just van Rossum <just@letterror.com>
parents: 27712
diff changeset
4412 return -1;
cc01fb654ce3 patch #683515: "Add unicode support to compile(), eval() and exec"
Just van Rossum <just@letterror.com>
parents: 27712
diff changeset
4413 prog = tmp;
cc01fb654ce3 patch #683515: "Add unicode support to compile(), eval() and exec"
Just van Rossum <just@letterror.com>
parents: 27712
diff changeset
4414 cf.cf_flags |= PyCF_SOURCE_IS_UTF8;
cc01fb654ce3 patch #683515: "Add unicode support to compile(), eval() and exec"
Just van Rossum <just@letterror.com>
parents: 27712
diff changeset
4415 }
cc01fb654ce3 patch #683515: "Add unicode support to compile(), eval() and exec"
Just van Rossum <just@letterror.com>
parents: 27712
diff changeset
4416 #endif
47527
52294af4b663 This reverts r63675 based on the discussion in this thread:
Gregory P. Smith <greg@mad-scientist.com>
parents: 47294
diff changeset
4417 if (PyString_AsStringAndSize(prog, &str, NULL))
11651
d88996e46cb2 Fix a bug in exec_statement() noted incidentally by Tim Peters in
Guido van Rossum <guido@python.org>
parents: 11468
diff changeset
4418 return -1;
18611
fdb36a0c7e6e Part way to allowing "from __future__ import generators" to communicate
Tim Peters <tim.peters@gmail.com>
parents: 18513
diff changeset
4419 if (PyEval_MergeCompilerFlags(&cf))
31872
9f5fe6b23e59 Since the fast_yield branch target was introduced, it appears that most
Tim Peters <tim.peters@gmail.com>
parents: 31797
diff changeset
4420 v = PyRun_StringFlags(str, Py_file_input, globals,
17125
2054cea38754 Extend support for from __future__ import nested_scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17124
diff changeset
4421 locals, &cf);
18611
fdb36a0c7e6e Part way to allowing "from __future__ import generators" to communicate
Tim Peters <tim.peters@gmail.com>
parents: 18513
diff changeset
4422 else
17125
2054cea38754 Extend support for from __future__ import nested_scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17124
diff changeset
4423 v = PyRun_String(str, Py_file_input, globals, locals);
27781
cc01fb654ce3 patch #683515: "Add unicode support to compile(), eval() and exec"
Just van Rossum <just@letterror.com>
parents: 27712
diff changeset
4424 Py_XDECREF(tmp);
1354
fccd415e2eb8 * bltinmodule.c: removed exec() built-in function.
Guido van Rossum <guido@python.org>
parents: 1319
diff changeset
4425 }
11651
d88996e46cb2 Fix a bug in exec_statement() noted incidentally by Tim Peters in
Guido van Rossum <guido@python.org>
parents: 11468
diff changeset
4426 if (plain)
d88996e46cb2 Fix a bug in exec_statement() noted incidentally by Tim Peters in
Guido van Rossum <guido@python.org>
parents: 11468
diff changeset
4427 PyFrame_LocalsToFast(f, 0);
2844
0261bf5b3819 keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents: 2813
diff changeset
4428 if (v == NULL)
1354
fccd415e2eb8 * bltinmodule.c: removed exec() built-in function.
Guido van Rossum <guido@python.org>
parents: 1319
diff changeset
4429 return -1;
5368
f2132d1f66a6 Quickly renamed.
Guido van Rossum <guido@python.org>
parents: 5177
diff changeset
4430 Py_DECREF(v);
1354
fccd415e2eb8 * bltinmodule.c: removed exec() built-in function.
Guido van Rossum <guido@python.org>
parents: 1319
diff changeset
4431 return 0;
fccd415e2eb8 * bltinmodule.c: removed exec() built-in function.
Guido van Rossum <guido@python.org>
parents: 1319
diff changeset
4432 }
2338
4c2f1452125d call __import__() with 4 args instead of 1
Guido van Rossum <guido@python.org>
parents: 2310
diff changeset
4433
38425
ca657e0bd09c needforspeed: backed out the Py_LOCAL-isation of ceval; the massive in-
Fredrik Lundh <fredrik@pythonware.com>
parents: 38418
diff changeset
4434 static void
14268
cd8b815cb196 Better error message with UnboundLocalError
Paul Prescod <prescod@prescod.net>
parents: 14238
diff changeset
4435 format_exc_check_arg(PyObject *exc, char *format_str, PyObject *obj)
cd8b815cb196 Better error message with UnboundLocalError
Paul Prescod <prescod@prescod.net>
parents: 14238
diff changeset
4436 {
cd8b815cb196 Better error message with UnboundLocalError
Paul Prescod <prescod@prescod.net>
parents: 14238
diff changeset
4437 char *obj_str;
cd8b815cb196 Better error message with UnboundLocalError
Paul Prescod <prescod@prescod.net>
parents: 14238
diff changeset
4438
cd8b815cb196 Better error message with UnboundLocalError
Paul Prescod <prescod@prescod.net>
parents: 14238
diff changeset
4439 if (!obj)
cd8b815cb196 Better error message with UnboundLocalError
Paul Prescod <prescod@prescod.net>
parents: 14238
diff changeset
4440 return;
cd8b815cb196 Better error message with UnboundLocalError
Paul Prescod <prescod@prescod.net>
parents: 14238
diff changeset
4441
47527
52294af4b663 This reverts r63675 based on the discussion in this thread:
Gregory P. Smith <greg@mad-scientist.com>
parents: 47294
diff changeset
4442 obj_str = PyString_AsString(obj);
14268
cd8b815cb196 Better error message with UnboundLocalError
Paul Prescod <prescod@prescod.net>
parents: 14238
diff changeset
4443 if (!obj_str)
cd8b815cb196 Better error message with UnboundLocalError
Paul Prescod <prescod@prescod.net>
parents: 14238
diff changeset
4444 return;
cd8b815cb196 Better error message with UnboundLocalError
Paul Prescod <prescod@prescod.net>
parents: 14238
diff changeset
4445
cd8b815cb196 Better error message with UnboundLocalError
Paul Prescod <prescod@prescod.net>
parents: 14238
diff changeset
4446 PyErr_Format(exc, format_str, obj_str);
cd8b815cb196 Better error message with UnboundLocalError
Paul Prescod <prescod@prescod.net>
parents: 14238
diff changeset
4447 }
5049
946b2b2a7622 Patches for (two forms of) optional dynamic execution profiling --
Guido van Rossum <guido@python.org>
parents: 5048
diff changeset
4448
38425
ca657e0bd09c needforspeed: backed out the Py_LOCAL-isation of ceval; the massive in-
Fredrik Lundh <fredrik@pythonware.com>
parents: 38418
diff changeset
4449 static PyObject *
32974
fb6ffd290cfb SF patch #980695: efficient string concatenation
Raymond Hettinger <python@rcn.com>
parents: 32900
diff changeset
4450 string_concatenate(PyObject *v, PyObject *w,
fb6ffd290cfb SF patch #980695: efficient string concatenation
Raymond Hettinger <python@rcn.com>
parents: 32900
diff changeset
4451 PyFrameObject *f, unsigned char *next_instr)
fb6ffd290cfb SF patch #980695: efficient string concatenation
Raymond Hettinger <python@rcn.com>
parents: 32900
diff changeset
4452 {
fb6ffd290cfb SF patch #980695: efficient string concatenation
Raymond Hettinger <python@rcn.com>
parents: 32900
diff changeset
4453 /* This function implements 'variable += expr' when both arguments
fb6ffd290cfb SF patch #980695: efficient string concatenation
Raymond Hettinger <python@rcn.com>
parents: 32900
diff changeset
4454 are strings. */
47527
52294af4b663 This reverts r63675 based on the discussion in this thread:
Gregory P. Smith <greg@mad-scientist.com>
parents: 47294
diff changeset
4455 Py_ssize_t v_len = PyString_GET_SIZE(v);
52294af4b663 This reverts r63675 based on the discussion in this thread:
Gregory P. Smith <greg@mad-scientist.com>
parents: 47294
diff changeset
4456 Py_ssize_t w_len = PyString_GET_SIZE(w);
39417
74d23cd04421 Concatenation on a long string breaks (SF #1526585).
Armin Rigo <arigo@tunes.org>
parents: 38768
diff changeset
4457 Py_ssize_t new_len = v_len + w_len;
74d23cd04421 Concatenation on a long string breaks (SF #1526585).
Armin Rigo <arigo@tunes.org>
parents: 38768
diff changeset
4458 if (new_len < 0) {
74d23cd04421 Concatenation on a long string breaks (SF #1526585).
Armin Rigo <arigo@tunes.org>
parents: 38768
diff changeset
4459 PyErr_SetString(PyExc_OverflowError,
74d23cd04421 Concatenation on a long string breaks (SF #1526585).
Armin Rigo <arigo@tunes.org>
parents: 38768
diff changeset
4460 "strings are too large to concat");
74d23cd04421 Concatenation on a long string breaks (SF #1526585).
Armin Rigo <arigo@tunes.org>
parents: 38768
diff changeset
4461 return NULL;
74d23cd04421 Concatenation on a long string breaks (SF #1526585).
Armin Rigo <arigo@tunes.org>
parents: 38768
diff changeset
4462 }
38418
708eaf0896bf Patch 1145039.
Tim Peters <tim.peters@gmail.com>
parents: 38352
diff changeset
4463
32974
fb6ffd290cfb SF patch #980695: efficient string concatenation
Raymond Hettinger <python@rcn.com>
parents: 32900
diff changeset
4464 if (v->ob_refcnt == 2) {
fb6ffd290cfb SF patch #980695: efficient string concatenation
Raymond Hettinger <python@rcn.com>
parents: 32900
diff changeset
4465 /* In the common case, there are 2 references to the value
fb6ffd290cfb SF patch #980695: efficient string concatenation
Raymond Hettinger <python@rcn.com>
parents: 32900
diff changeset
4466 * stored in 'variable' when the += is performed: one on the
43416
dc39dddea330 Try harder to stay within the 79-column limit. There's still two places that go (way) over, but those are harder to fix without suffering in readability.
Thomas Wouters <thomas@python.org>
parents: 43408
diff changeset
4467 * value stack (in 'v') and one still stored in the
dc39dddea330 Try harder to stay within the 79-column limit. There's still two places that go (way) over, but those are harder to fix without suffering in readability.
Thomas Wouters <thomas@python.org>
parents: 43408
diff changeset
4468 * 'variable'. We try to delete the variable now to reduce
dc39dddea330 Try harder to stay within the 79-column limit. There's still two places that go (way) over, but those are harder to fix without suffering in readability.
Thomas Wouters <thomas@python.org>
parents: 43408
diff changeset
4469 * the refcnt to 1.
32974
fb6ffd290cfb SF patch #980695: efficient string concatenation
Raymond Hettinger <python@rcn.com>
parents: 32900
diff changeset
4470 */
fb6ffd290cfb SF patch #980695: efficient string concatenation
Raymond Hettinger <python@rcn.com>
parents: 32900
diff changeset
4471 switch (*next_instr) {
fb6ffd290cfb SF patch #980695: efficient string concatenation
Raymond Hettinger <python@rcn.com>
parents: 32900
diff changeset
4472 case STORE_FAST:
fb6ffd290cfb SF patch #980695: efficient string concatenation
Raymond Hettinger <python@rcn.com>
parents: 32900
diff changeset
4473 {
fb6ffd290cfb SF patch #980695: efficient string concatenation
Raymond Hettinger <python@rcn.com>
parents: 32900
diff changeset
4474 int oparg = PEEKARG();
fb6ffd290cfb SF patch #980695: efficient string concatenation
Raymond Hettinger <python@rcn.com>
parents: 32900
diff changeset
4475 PyObject **fastlocals = f->f_localsplus;
fb6ffd290cfb SF patch #980695: efficient string concatenation
Raymond Hettinger <python@rcn.com>
parents: 32900
diff changeset
4476 if (GETLOCAL(oparg) == v)
fb6ffd290cfb SF patch #980695: efficient string concatenation
Raymond Hettinger <python@rcn.com>
parents: 32900
diff changeset
4477 SETLOCAL(oparg, NULL);
fb6ffd290cfb SF patch #980695: efficient string concatenation
Raymond Hettinger <python@rcn.com>
parents: 32900
diff changeset
4478 break;
fb6ffd290cfb SF patch #980695: efficient string concatenation
Raymond Hettinger <python@rcn.com>
parents: 32900
diff changeset
4479 }
fb6ffd290cfb SF patch #980695: efficient string concatenation
Raymond Hettinger <python@rcn.com>
parents: 32900
diff changeset
4480 case STORE_DEREF:
fb6ffd290cfb SF patch #980695: efficient string concatenation
Raymond Hettinger <python@rcn.com>
parents: 32900
diff changeset
4481 {
43416
dc39dddea330 Try harder to stay within the 79-column limit. There's still two places that go (way) over, but those are harder to fix without suffering in readability.
Thomas Wouters <thomas@python.org>
parents: 43408
diff changeset
4482 PyObject **freevars = (f->f_localsplus +
dc39dddea330 Try harder to stay within the 79-column limit. There's still two places that go (way) over, but those are harder to fix without suffering in readability.
Thomas Wouters <thomas@python.org>
parents: 43408
diff changeset
4483 f->f_code->co_nlocals);
32974
fb6ffd290cfb SF patch #980695: efficient string concatenation
Raymond Hettinger <python@rcn.com>
parents: 32900
diff changeset
4484 PyObject *c = freevars[PEEKARG()];
fb6ffd290cfb SF patch #980695: efficient string concatenation
Raymond Hettinger <python@rcn.com>
parents: 32900
diff changeset
4485 if (PyCell_GET(c) == v)
fb6ffd290cfb SF patch #980695: efficient string concatenation
Raymond Hettinger <python@rcn.com>
parents: 32900
diff changeset
4486 PyCell_Set(c, NULL);
fb6ffd290cfb SF patch #980695: efficient string concatenation
Raymond Hettinger <python@rcn.com>
parents: 32900
diff changeset
4487 break;
fb6ffd290cfb SF patch #980695: efficient string concatenation
Raymond Hettinger <python@rcn.com>
parents: 32900
diff changeset
4488 }
fb6ffd290cfb SF patch #980695: efficient string concatenation
Raymond Hettinger <python@rcn.com>
parents: 32900
diff changeset
4489 case STORE_NAME:
fb6ffd290cfb SF patch #980695: efficient string concatenation
Raymond Hettinger <python@rcn.com>
parents: 32900
diff changeset
4490 {
fb6ffd290cfb SF patch #980695: efficient string concatenation
Raymond Hettinger <python@rcn.com>
parents: 32900
diff changeset
4491 PyObject *names = f->f_code->co_names;
fb6ffd290cfb SF patch #980695: efficient string concatenation
Raymond Hettinger <python@rcn.com>
parents: 32900
diff changeset
4492 PyObject *name = GETITEM(names, PEEKARG());
fb6ffd290cfb SF patch #980695: efficient string concatenation
Raymond Hettinger <python@rcn.com>
parents: 32900
diff changeset
4493 PyObject *locals = f->f_locals;
fb6ffd290cfb SF patch #980695: efficient string concatenation
Raymond Hettinger <python@rcn.com>
parents: 32900
diff changeset
4494 if (PyDict_CheckExact(locals) &&
fb6ffd290cfb SF patch #980695: efficient string concatenation
Raymond Hettinger <python@rcn.com>
parents: 32900
diff changeset
4495 PyDict_GetItem(locals, name) == v) {
fb6ffd290cfb SF patch #980695: efficient string concatenation
Raymond Hettinger <python@rcn.com>
parents: 32900
diff changeset
4496 if (PyDict_DelItem(locals, name) != 0) {
fb6ffd290cfb SF patch #980695: efficient string concatenation
Raymond Hettinger <python@rcn.com>
parents: 32900
diff changeset
4497 PyErr_Clear();
fb6ffd290cfb SF patch #980695: efficient string concatenation
Raymond Hettinger <python@rcn.com>
parents: 32900
diff changeset
4498 }
fb6ffd290cfb SF patch #980695: efficient string concatenation
Raymond Hettinger <python@rcn.com>
parents: 32900
diff changeset
4499 }
fb6ffd290cfb SF patch #980695: efficient string concatenation
Raymond Hettinger <python@rcn.com>
parents: 32900
diff changeset
4500 break;
fb6ffd290cfb SF patch #980695: efficient string concatenation
Raymond Hettinger <python@rcn.com>
parents: 32900
diff changeset
4501 }
fb6ffd290cfb SF patch #980695: efficient string concatenation
Raymond Hettinger <python@rcn.com>
parents: 32900
diff changeset
4502 }
fb6ffd290cfb SF patch #980695: efficient string concatenation
Raymond Hettinger <python@rcn.com>
parents: 32900
diff changeset
4503 }
fb6ffd290cfb SF patch #980695: efficient string concatenation
Raymond Hettinger <python@rcn.com>
parents: 32900
diff changeset
4504
47527
52294af4b663 This reverts r63675 based on the discussion in this thread:
Gregory P. Smith <greg@mad-scientist.com>
parents: 47294
diff changeset
4505 if (v->ob_refcnt == 1 && !PyString_CHECK_INTERNED(v)) {
32974
fb6ffd290cfb SF patch #980695: efficient string concatenation
Raymond Hettinger <python@rcn.com>
parents: 32900
diff changeset
4506 /* Now we own the last reference to 'v', so we can resize it
fb6ffd290cfb SF patch #980695: efficient string concatenation
Raymond Hettinger <python@rcn.com>
parents: 32900
diff changeset
4507 * in-place.
fb6ffd290cfb SF patch #980695: efficient string concatenation
Raymond Hettinger <python@rcn.com>
parents: 32900
diff changeset
4508 */
47527
52294af4b663 This reverts r63675 based on the discussion in this thread:
Gregory P. Smith <greg@mad-scientist.com>
parents: 47294
diff changeset
4509 if (_PyString_Resize(&v, new_len) != 0) {
52294af4b663 This reverts r63675 based on the discussion in this thread:
Gregory P. Smith <greg@mad-scientist.com>
parents: 47294
diff changeset
4510 /* XXX if _PyString_Resize() fails, 'v' has been
43416
dc39dddea330 Try harder to stay within the 79-column limit. There's still two places that go (way) over, but those are harder to fix without suffering in readability.
Thomas Wouters <thomas@python.org>
parents: 43408
diff changeset
4511 * deallocated so it cannot be put back into
dc39dddea330 Try harder to stay within the 79-column limit. There's still two places that go (way) over, but those are harder to fix without suffering in readability.
Thomas Wouters <thomas@python.org>
parents: 43408
diff changeset
4512 * 'variable'. The MemoryError is raised when there
dc39dddea330 Try harder to stay within the 79-column limit. There's still two places that go (way) over, but those are harder to fix without suffering in readability.
Thomas Wouters <thomas@python.org>
parents: 43408
diff changeset
4513 * is no value in 'variable', which might (very
dc39dddea330 Try harder to stay within the 79-column limit. There's still two places that go (way) over, but those are harder to fix without suffering in readability.
Thomas Wouters <thomas@python.org>
parents: 43408
diff changeset
4514 * remotely) be a cause of incompatibilities.
32974
fb6ffd290cfb SF patch #980695: efficient string concatenation
Raymond Hettinger <python@rcn.com>
parents: 32900
diff changeset
4515 */
fb6ffd290cfb SF patch #980695: efficient string concatenation
Raymond Hettinger <python@rcn.com>
parents: 32900
diff changeset
4516 return NULL;
fb6ffd290cfb SF patch #980695: efficient string concatenation
Raymond Hettinger <python@rcn.com>
parents: 32900
diff changeset
4517 }
fb6ffd290cfb SF patch #980695: efficient string concatenation
Raymond Hettinger <python@rcn.com>
parents: 32900
diff changeset
4518 /* copy 'w' into the newly allocated area of 'v' */
47527
52294af4b663 This reverts r63675 based on the discussion in this thread:
Gregory P. Smith <greg@mad-scientist.com>
parents: 47294
diff changeset
4519 memcpy(PyString_AS_STRING(v) + v_len,
52294af4b663 This reverts r63675 based on the discussion in this thread:
Gregory P. Smith <greg@mad-scientist.com>
parents: 47294
diff changeset
4520 PyString_AS_STRING(w), w_len);
32974
fb6ffd290cfb SF patch #980695: efficient string concatenation
Raymond Hettinger <python@rcn.com>
parents: 32900
diff changeset
4521 return v;
fb6ffd290cfb SF patch #980695: efficient string concatenation
Raymond Hettinger <python@rcn.com>
parents: 32900
diff changeset
4522 }
fb6ffd290cfb SF patch #980695: efficient string concatenation
Raymond Hettinger <python@rcn.com>
parents: 32900
diff changeset
4523 else {
fb6ffd290cfb SF patch #980695: efficient string concatenation
Raymond Hettinger <python@rcn.com>
parents: 32900
diff changeset
4524 /* When in-place resizing is not an option. */
47527
52294af4b663 This reverts r63675 based on the discussion in this thread:
Gregory P. Smith <greg@mad-scientist.com>
parents: 47294
diff changeset
4525 PyString_Concat(&v, w);
32974
fb6ffd290cfb SF patch #980695: efficient string concatenation
Raymond Hettinger <python@rcn.com>
parents: 32900
diff changeset
4526 return v;
fb6ffd290cfb SF patch #980695: efficient string concatenation
Raymond Hettinger <python@rcn.com>
parents: 32900
diff changeset
4527 }
fb6ffd290cfb SF patch #980695: efficient string concatenation
Raymond Hettinger <python@rcn.com>
parents: 32900
diff changeset
4528 }
fb6ffd290cfb SF patch #980695: efficient string concatenation
Raymond Hettinger <python@rcn.com>
parents: 32900
diff changeset
4529
5049
946b2b2a7622 Patches for (two forms of) optional dynamic execution profiling --
Guido van Rossum <guido@python.org>
parents: 5048
diff changeset
4530 #ifdef DYNAMIC_EXECUTION_PROFILE
946b2b2a7622 Patches for (two forms of) optional dynamic execution profiling --
Guido van Rossum <guido@python.org>
parents: 5048
diff changeset
4531
38425
ca657e0bd09c needforspeed: backed out the Py_LOCAL-isation of ceval; the massive in-
Fredrik Lundh <fredrik@pythonware.com>
parents: 38418
diff changeset
4532 static PyObject *
13658
f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern'
Thomas Wouters <thomas@python.org>
parents: 13620
diff changeset
4533 getarray(long a[256])
5049
946b2b2a7622 Patches for (two forms of) optional dynamic execution profiling --
Guido van Rossum <guido@python.org>
parents: 5048
diff changeset
4534 {
946b2b2a7622 Patches for (two forms of) optional dynamic execution profiling --
Guido van Rossum <guido@python.org>
parents: 5048
diff changeset
4535 int i;
946b2b2a7622 Patches for (two forms of) optional dynamic execution profiling --
Guido van Rossum <guido@python.org>
parents: 5048
diff changeset
4536 PyObject *l = PyList_New(256);
946b2b2a7622 Patches for (two forms of) optional dynamic execution profiling --
Guido van Rossum <guido@python.org>
parents: 5048
diff changeset
4537 if (l == NULL) return NULL;
946b2b2a7622 Patches for (two forms of) optional dynamic execution profiling --
Guido van Rossum <guido@python.org>
parents: 5048
diff changeset
4538 for (i = 0; i < 256; i++) {
946b2b2a7622 Patches for (two forms of) optional dynamic execution profiling --
Guido van Rossum <guido@python.org>
parents: 5048
diff changeset
4539 PyObject *x = PyInt_FromLong(a[i]);
946b2b2a7622 Patches for (two forms of) optional dynamic execution profiling --
Guido van Rossum <guido@python.org>
parents: 5048
diff changeset
4540 if (x == NULL) {
946b2b2a7622 Patches for (two forms of) optional dynamic execution profiling --
Guido van Rossum <guido@python.org>
parents: 5048
diff changeset
4541 Py_DECREF(l);
946b2b2a7622 Patches for (two forms of) optional dynamic execution profiling --
Guido van Rossum <guido@python.org>
parents: 5048
diff changeset
4542 return NULL;
946b2b2a7622 Patches for (two forms of) optional dynamic execution profiling --
Guido van Rossum <guido@python.org>
parents: 5048
diff changeset
4543 }
946b2b2a7622 Patches for (two forms of) optional dynamic execution profiling --
Guido van Rossum <guido@python.org>
parents: 5048
diff changeset
4544 PyList_SetItem(l, i, x);
946b2b2a7622 Patches for (two forms of) optional dynamic execution profiling --
Guido van Rossum <guido@python.org>
parents: 5048
diff changeset
4545 }
946b2b2a7622 Patches for (two forms of) optional dynamic execution profiling --
Guido van Rossum <guido@python.org>
parents: 5048
diff changeset
4546 for (i = 0; i < 256; i++)
946b2b2a7622 Patches for (two forms of) optional dynamic execution profiling --
Guido van Rossum <guido@python.org>
parents: 5048
diff changeset
4547 a[i] = 0;
946b2b2a7622 Patches for (two forms of) optional dynamic execution profiling --
Guido van Rossum <guido@python.org>
parents: 5048
diff changeset
4548 return l;
946b2b2a7622 Patches for (two forms of) optional dynamic execution profiling --
Guido van Rossum <guido@python.org>
parents: 5048
diff changeset
4549 }
946b2b2a7622 Patches for (two forms of) optional dynamic execution profiling --
Guido van Rossum <guido@python.org>
parents: 5048
diff changeset
4550
946b2b2a7622 Patches for (two forms of) optional dynamic execution profiling --
Guido van Rossum <guido@python.org>
parents: 5048
diff changeset
4551 PyObject *
13658
f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern'
Thomas Wouters <thomas@python.org>
parents: 13620
diff changeset
4552 _Py_GetDXProfile(PyObject *self, PyObject *args)
5049
946b2b2a7622 Patches for (two forms of) optional dynamic execution profiling --
Guido van Rossum <guido@python.org>
parents: 5048
diff changeset
4553 {
946b2b2a7622 Patches for (two forms of) optional dynamic execution profiling --
Guido van Rossum <guido@python.org>
parents: 5048
diff changeset
4554 #ifndef DXPAIRS
946b2b2a7622 Patches for (two forms of) optional dynamic execution profiling --
Guido van Rossum <guido@python.org>
parents: 5048
diff changeset
4555 return getarray(dxp);
946b2b2a7622 Patches for (two forms of) optional dynamic execution profiling --
Guido van Rossum <guido@python.org>
parents: 5048
diff changeset
4556 #else
946b2b2a7622 Patches for (two forms of) optional dynamic execution profiling --
Guido van Rossum <guido@python.org>
parents: 5048
diff changeset
4557 int i;
946b2b2a7622 Patches for (two forms of) optional dynamic execution profiling --
Guido van Rossum <guido@python.org>
parents: 5048
diff changeset
4558 PyObject *l = PyList_New(257);
946b2b2a7622 Patches for (two forms of) optional dynamic execution profiling --
Guido van Rossum <guido@python.org>
parents: 5048
diff changeset
4559 if (l == NULL) return NULL;
946b2b2a7622 Patches for (two forms of) optional dynamic execution profiling --
Guido van Rossum <guido@python.org>
parents: 5048
diff changeset
4560 for (i = 0; i < 257; i++) {
946b2b2a7622 Patches for (two forms of) optional dynamic execution profiling --
Guido van Rossum <guido@python.org>
parents: 5048
diff changeset
4561 PyObject *x = getarray(dxpairs[i]);
946b2b2a7622 Patches for (two forms of) optional dynamic execution profiling --
Guido van Rossum <guido@python.org>
parents: 5048
diff changeset
4562 if (x == NULL) {
946b2b2a7622 Patches for (two forms of) optional dynamic execution profiling --
Guido van Rossum <guido@python.org>
parents: 5048
diff changeset
4563 Py_DECREF(l);
946b2b2a7622 Patches for (two forms of) optional dynamic execution profiling --
Guido van Rossum <guido@python.org>
parents: 5048
diff changeset
4564 return NULL;
946b2b2a7622 Patches for (two forms of) optional dynamic execution profiling --
Guido van Rossum <guido@python.org>
parents: 5048
diff changeset
4565 }
946b2b2a7622 Patches for (two forms of) optional dynamic execution profiling --
Guido van Rossum <guido@python.org>
parents: 5048
diff changeset
4566 PyList_SetItem(l, i, x);
946b2b2a7622 Patches for (two forms of) optional dynamic execution profiling --
Guido van Rossum <guido@python.org>
parents: 5048
diff changeset
4567 }
946b2b2a7622 Patches for (two forms of) optional dynamic execution profiling --
Guido van Rossum <guido@python.org>
parents: 5048
diff changeset
4568 return l;
946b2b2a7622 Patches for (two forms of) optional dynamic execution profiling --
Guido van Rossum <guido@python.org>
parents: 5048
diff changeset
4569 #endif
946b2b2a7622 Patches for (two forms of) optional dynamic execution profiling --
Guido van Rossum <guido@python.org>
parents: 5048
diff changeset
4570 }
946b2b2a7622 Patches for (two forms of) optional dynamic execution profiling --
Guido van Rossum <guido@python.org>
parents: 5048
diff changeset
4571
946b2b2a7622 Patches for (two forms of) optional dynamic execution profiling --
Guido van Rossum <guido@python.org>
parents: 5048
diff changeset
4572 #endif