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

annotate Objects/frameobject.c @ 4566:6403c94de50d legacy-trunk

Added safeguard against failure in __del__.

author	Guido van Rossum <guido@python.org>
date	Wed, 27 Nov 1996 19:39:58 +0000
parents	65d2d8e67da3
children	4dc67fdd9e0b

rev	line source
145 853b736a6a9e Added copyright notice. Guido van Rossum <guido@python.org> parents: 86 diff changeset	1 /***********************************************************
2059 866c81068dbd Added 1995 to copyright message. Guido van Rossum <guido@python.org> parents: 2053 diff changeset	2 Copyright 1991-1995 by Stichting Mathematisch Centrum, Amsterdam,
866c81068dbd Added 1995 to copyright message. Guido van Rossum <guido@python.org> parents: 2053 diff changeset	3 The Netherlands.
145 853b736a6a9e Added copyright notice. Guido van Rossum <guido@python.org> parents: 86 diff changeset	4
853b736a6a9e Added copyright notice. Guido van Rossum <guido@python.org> parents: 86 diff changeset	5 All Rights Reserved
853b736a6a9e Added copyright notice. Guido van Rossum <guido@python.org> parents: 86 diff changeset	6
4503 65d2d8e67da3 New permission notice, includes CNRI. Guido van Rossum <guido@python.org> parents: 2856 diff changeset	7 Permission to use, copy, modify, and distribute this software and its
65d2d8e67da3 New permission notice, includes CNRI. Guido van Rossum <guido@python.org> parents: 2856 diff changeset	8 documentation for any purpose and without fee is hereby granted,
145 853b736a6a9e Added copyright notice. Guido van Rossum <guido@python.org> parents: 86 diff changeset	9 provided that the above copyright notice appear in all copies and that
4503 65d2d8e67da3 New permission notice, includes CNRI. Guido van Rossum <guido@python.org> parents: 2856 diff changeset	10 both that copyright notice and this permission notice appear in
145 853b736a6a9e Added copyright notice. Guido van Rossum <guido@python.org> parents: 86 diff changeset	11 supporting documentation, and that the names of Stichting Mathematisch
4503 65d2d8e67da3 New permission notice, includes CNRI. Guido van Rossum <guido@python.org> parents: 2856 diff changeset	12 Centrum or CWI or Corporation for National Research Initiatives or
65d2d8e67da3 New permission notice, includes CNRI. Guido van Rossum <guido@python.org> parents: 2856 diff changeset	13 CNRI not be used in advertising or publicity pertaining to
65d2d8e67da3 New permission notice, includes CNRI. Guido van Rossum <guido@python.org> parents: 2856 diff changeset	14 distribution of the software without specific, written prior
65d2d8e67da3 New permission notice, includes CNRI. Guido van Rossum <guido@python.org> parents: 2856 diff changeset	15 permission.
145 853b736a6a9e Added copyright notice. Guido van Rossum <guido@python.org> parents: 86 diff changeset	16
4503 65d2d8e67da3 New permission notice, includes CNRI. Guido van Rossum <guido@python.org> parents: 2856 diff changeset	17 While CWI is the initial source for this software, a modified version
65d2d8e67da3 New permission notice, includes CNRI. Guido van Rossum <guido@python.org> parents: 2856 diff changeset	18 is made available by the Corporation for National Research Initiatives
65d2d8e67da3 New permission notice, includes CNRI. Guido van Rossum <guido@python.org> parents: 2856 diff changeset	19 (CNRI) at the Internet address ftp://ftp.python.org.
65d2d8e67da3 New permission notice, includes CNRI. Guido van Rossum <guido@python.org> parents: 2856 diff changeset	20
65d2d8e67da3 New permission notice, includes CNRI. Guido van Rossum <guido@python.org> parents: 2856 diff changeset	21 STICHTING MATHEMATISCH CENTRUM AND CNRI DISCLAIM ALL WARRANTIES WITH
65d2d8e67da3 New permission notice, includes CNRI. Guido van Rossum <guido@python.org> parents: 2856 diff changeset	22 REGARD TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF
65d2d8e67da3 New permission notice, includes CNRI. Guido van Rossum <guido@python.org> parents: 2856 diff changeset	23 MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL STICHTING MATHEMATISCH
65d2d8e67da3 New permission notice, includes CNRI. Guido van Rossum <guido@python.org> parents: 2856 diff changeset	24 CENTRUM OR CNRI BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL
65d2d8e67da3 New permission notice, includes CNRI. Guido van Rossum <guido@python.org> parents: 2856 diff changeset	25 DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
65d2d8e67da3 New permission notice, includes CNRI. Guido van Rossum <guido@python.org> parents: 2856 diff changeset	26 PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
65d2d8e67da3 New permission notice, includes CNRI. Guido van Rossum <guido@python.org> parents: 2856 diff changeset	27 TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
65d2d8e67da3 New permission notice, includes CNRI. Guido van Rossum <guido@python.org> parents: 2856 diff changeset	28 PERFORMANCE OF THIS SOFTWARE.
145 853b736a6a9e Added copyright notice. Guido van Rossum <guido@python.org> parents: 86 diff changeset	29
853b736a6a9e Added copyright notice. Guido van Rossum <guido@python.org> parents: 86 diff changeset	30 ******************************************************************/
853b736a6a9e Added copyright notice. Guido van Rossum <guido@python.org> parents: 86 diff changeset	31
86 a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: diff changeset	32 /* Frame object implementation */
a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: diff changeset	33
a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: diff changeset	34 #include "allobjects.h"
a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: diff changeset	35
a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: diff changeset	36 #include "compile.h"
a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: diff changeset	37 #include "frameobject.h"
a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: diff changeset	38 #include "opcode.h"
a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: diff changeset	39 #include "structmember.h"
2104 7493c6805dc6 add builtins handling and restricted flag Guido van Rossum <guido@python.org> parents: 2059 diff changeset	40 #include "bltinmodule.h"
86 a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: diff changeset	41
a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: diff changeset	42 #define OFF(x) offsetof(frameobject, x)
a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: diff changeset	43
a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: diff changeset	44 static struct memberlist frame_memberlist[] = {
1848 b724599401ff Merge back to main trunk Guido van Rossum <guido@python.org> parents: 1334 diff changeset	45 {"f_back", T_OBJECT, OFF(f_back), RO},
b724599401ff Merge back to main trunk Guido van Rossum <guido@python.org> parents: 1334 diff changeset	46 {"f_code", T_OBJECT, OFF(f_code), RO},
2104 7493c6805dc6 add builtins handling and restricted flag Guido van Rossum <guido@python.org> parents: 2059 diff changeset	47 {"f_builtins", T_OBJECT, OFF(f_builtins),RO},
1848 b724599401ff Merge back to main trunk Guido van Rossum <guido@python.org> parents: 1334 diff changeset	48 {"f_globals", T_OBJECT, OFF(f_globals), RO},
b724599401ff Merge back to main trunk Guido van Rossum <guido@python.org> parents: 1334 diff changeset	49 {"f_locals", T_OBJECT, OFF(f_locals), RO},
b724599401ff Merge back to main trunk Guido van Rossum <guido@python.org> parents: 1334 diff changeset	50 {"f_owner", T_OBJECT, OFF(f_owner), RO},
2053 de49d49044d7 Lots of minor changes. Note for mappingobject.c: the hash table pointer Guido van Rossum <guido@python.org> parents: 1848 diff changeset	51 #if 0
de49d49044d7 Lots of minor changes. Note for mappingobject.c: the hash table pointer Guido van Rossum <guido@python.org> parents: 1848 diff changeset	52 {"f_fastlocals",T_OBJECT, OFF(f_fastlocals),RO}, /* XXX Unsafe */
de49d49044d7 Lots of minor changes. Note for mappingobject.c: the hash table pointer Guido van Rossum <guido@python.org> parents: 1848 diff changeset	53 #endif
1848 b724599401ff Merge back to main trunk Guido van Rossum <guido@python.org> parents: 1334 diff changeset	54 {"f_lasti", T_INT, OFF(f_lasti), RO},
b724599401ff Merge back to main trunk Guido van Rossum <guido@python.org> parents: 1334 diff changeset	55 {"f_lineno", T_INT, OFF(f_lineno), RO},
2104 7493c6805dc6 add builtins handling and restricted flag Guido van Rossum <guido@python.org> parents: 2059 diff changeset	56 {"f_restricted",T_INT, OFF(f_restricted),RO},
1848 b724599401ff Merge back to main trunk Guido van Rossum <guido@python.org> parents: 1334 diff changeset	57 {"f_trace", T_OBJECT, OFF(f_trace)},
86 a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: diff changeset	58 {NULL} /* Sentinel */
a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: diff changeset	59 };
a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: diff changeset	60
a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: diff changeset	61 static object *
a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: diff changeset	62 frame_getattr(f, name)
a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: diff changeset	63 frameobject *f;
a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: diff changeset	64 char *name;
a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: diff changeset	65 {
1848 b724599401ff Merge back to main trunk Guido van Rossum <guido@python.org> parents: 1334 diff changeset	66 if (strcmp(name, "f_locals") == 0)
b724599401ff Merge back to main trunk Guido van Rossum <guido@python.org> parents: 1334 diff changeset	67 fast_2_locals(f);
86 a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: diff changeset	68 return getmember((char *)f, frame_memberlist, name);
a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: diff changeset	69 }
a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: diff changeset	70
1848 b724599401ff Merge back to main trunk Guido van Rossum <guido@python.org> parents: 1334 diff changeset	71 static int
b724599401ff Merge back to main trunk Guido van Rossum <guido@python.org> parents: 1334 diff changeset	72 frame_setattr(f, name, value)
b724599401ff Merge back to main trunk Guido van Rossum <guido@python.org> parents: 1334 diff changeset	73 frameobject *f;
b724599401ff Merge back to main trunk Guido van Rossum <guido@python.org> parents: 1334 diff changeset	74 char *name;
b724599401ff Merge back to main trunk Guido van Rossum <guido@python.org> parents: 1334 diff changeset	75 object *value;
b724599401ff Merge back to main trunk Guido van Rossum <guido@python.org> parents: 1334 diff changeset	76 {
b724599401ff Merge back to main trunk Guido van Rossum <guido@python.org> parents: 1334 diff changeset	77 return setmember((char *)f, frame_memberlist, name, value);
b724599401ff Merge back to main trunk Guido van Rossum <guido@python.org> parents: 1334 diff changeset	78 }
b724599401ff Merge back to main trunk Guido van Rossum <guido@python.org> parents: 1334 diff changeset	79
1079 e4c6a0dd5c2b * bltinmodule.c: added built-in function cmp(a, b) Guido van Rossum <guido@python.org> parents: 795 diff changeset	80 /* Stack frames are allocated and deallocated at a considerable rate.
e4c6a0dd5c2b * bltinmodule.c: added built-in function cmp(a, b) Guido van Rossum <guido@python.org> parents: 795 diff changeset	81 In an attempt to improve the speed of function calls, we maintain a
e4c6a0dd5c2b * bltinmodule.c: added built-in function cmp(a, b) Guido van Rossum <guido@python.org> parents: 795 diff changeset	82 separate free list of stack frames (just like integers are
e4c6a0dd5c2b * bltinmodule.c: added built-in function cmp(a, b) Guido van Rossum <guido@python.org> parents: 795 diff changeset	83 allocated in a special way -- see intobject.c). When a stack frame
e4c6a0dd5c2b * bltinmodule.c: added built-in function cmp(a, b) Guido van Rossum <guido@python.org> parents: 795 diff changeset	84 is on the free list, only the following members have a meaning:
e4c6a0dd5c2b * bltinmodule.c: added built-in function cmp(a, b) Guido van Rossum <guido@python.org> parents: 795 diff changeset	85 ob_type == &Frametype
e4c6a0dd5c2b * bltinmodule.c: added built-in function cmp(a, b) Guido van Rossum <guido@python.org> parents: 795 diff changeset	86 f_back next item on free list, or NULL
e4c6a0dd5c2b * bltinmodule.c: added built-in function cmp(a, b) Guido van Rossum <guido@python.org> parents: 795 diff changeset	87 f_nvalues size of f_valuestack
e4c6a0dd5c2b * bltinmodule.c: added built-in function cmp(a, b) Guido van Rossum <guido@python.org> parents: 795 diff changeset	88 f_valuestack array of (f_nvalues+1) object pointers, or NULL
e4c6a0dd5c2b * bltinmodule.c: added built-in function cmp(a, b) Guido van Rossum <guido@python.org> parents: 795 diff changeset	89 f_nblocks size of f_blockstack
e4c6a0dd5c2b * bltinmodule.c: added built-in function cmp(a, b) Guido van Rossum <guido@python.org> parents: 795 diff changeset	90 f_blockstack array of (f_nblocks+1) blocks, or NULL
e4c6a0dd5c2b * bltinmodule.c: added built-in function cmp(a, b) Guido van Rossum <guido@python.org> parents: 795 diff changeset	91 Note that the value and block stacks are preserved -- this can save
e4c6a0dd5c2b * bltinmodule.c: added built-in function cmp(a, b) Guido van Rossum <guido@python.org> parents: 795 diff changeset	92 another malloc() call or two (and two free() calls as well!).
e4c6a0dd5c2b * bltinmodule.c: added built-in function cmp(a, b) Guido van Rossum <guido@python.org> parents: 795 diff changeset	93 Also note that, unlike for integers, each frame object is a
e4c6a0dd5c2b * bltinmodule.c: added built-in function cmp(a, b) Guido van Rossum <guido@python.org> parents: 795 diff changeset	94 malloc'ed object in its own right -- it is only the actual calls to
e4c6a0dd5c2b * bltinmodule.c: added built-in function cmp(a, b) Guido van Rossum <guido@python.org> parents: 795 diff changeset	95 malloc() that we are trying to save here, not the administration.
e4c6a0dd5c2b * bltinmodule.c: added built-in function cmp(a, b) Guido van Rossum <guido@python.org> parents: 795 diff changeset	96 After all, while a typical program may make millions of calls, a
e4c6a0dd5c2b * bltinmodule.c: added built-in function cmp(a, b) Guido van Rossum <guido@python.org> parents: 795 diff changeset	97 call depth of more than 20 or 30 is probably already exceptional
e4c6a0dd5c2b * bltinmodule.c: added built-in function cmp(a, b) Guido van Rossum <guido@python.org> parents: 795 diff changeset	98 unless the program contains run-away recursion. I hope.
e4c6a0dd5c2b * bltinmodule.c: added built-in function cmp(a, b) Guido van Rossum <guido@python.org> parents: 795 diff changeset	99 */
e4c6a0dd5c2b * bltinmodule.c: added built-in function cmp(a, b) Guido van Rossum <guido@python.org> parents: 795 diff changeset	100
e4c6a0dd5c2b * bltinmodule.c: added built-in function cmp(a, b) Guido van Rossum <guido@python.org> parents: 795 diff changeset	101 static frameobject *free_list = NULL;
e4c6a0dd5c2b * bltinmodule.c: added built-in function cmp(a, b) Guido van Rossum <guido@python.org> parents: 795 diff changeset	102
86 a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: diff changeset	103 static void
a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: diff changeset	104 frame_dealloc(f)
a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: diff changeset	105 frameobject *f;
a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: diff changeset	106 {
a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: diff changeset	107 XDECREF(f->f_back);
a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: diff changeset	108 XDECREF(f->f_code);
2104 7493c6805dc6 add builtins handling and restricted flag Guido van Rossum <guido@python.org> parents: 2059 diff changeset	109 XDECREF(f->f_builtins);
86 a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: diff changeset	110 XDECREF(f->f_globals);
a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: diff changeset	111 XDECREF(f->f_locals);
1293 ac3c80abbf43 * classobject.c: in instance_getattr, don't make a method out of a Guido van Rossum <guido@python.org> parents: 1289 diff changeset	112 XDECREF(f->f_owner);
1262 f820e6917f07 Changes to speed up local variables enormously, by avoiding dictionary Guido van Rossum <guido@python.org> parents: 1257 diff changeset	113 XDECREF(f->f_fastlocals);
1848 b724599401ff Merge back to main trunk Guido van Rossum <guido@python.org> parents: 1334 diff changeset	114 XDECREF(f->f_trace);
1079 e4c6a0dd5c2b * bltinmodule.c: added built-in function cmp(a, b) Guido van Rossum <guido@python.org> parents: 795 diff changeset	115 f->f_back = free_list;
e4c6a0dd5c2b * bltinmodule.c: added built-in function cmp(a, b) Guido van Rossum <guido@python.org> parents: 795 diff changeset	116 free_list = f;
86 a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: diff changeset	117 }
a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: diff changeset	118
a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: diff changeset	119 typeobject Frametype = {
a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: diff changeset	120 OB_HEAD_INIT(&Typetype)
a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: diff changeset	121 0,
a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: diff changeset	122 "frame",
a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: diff changeset	123 sizeof(frameobject),
a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: diff changeset	124 0,
1848 b724599401ff Merge back to main trunk Guido van Rossum <guido@python.org> parents: 1334 diff changeset	125 (destructor)frame_dealloc, /tp_dealloc/
86 a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: diff changeset	126 0, /tp_print/
1848 b724599401ff Merge back to main trunk Guido van Rossum <guido@python.org> parents: 1334 diff changeset	127 (getattrfunc)frame_getattr, /tp_getattr/
b724599401ff Merge back to main trunk Guido van Rossum <guido@python.org> parents: 1334 diff changeset	128 (setattrfunc)frame_setattr, /tp_setattr/
86 a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: diff changeset	129 0, /tp_compare/
a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: diff changeset	130 0, /tp_repr/
a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: diff changeset	131 0, /tp_as_number/
a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: diff changeset	132 0, /tp_as_sequence/
a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: diff changeset	133 0, /tp_as_mapping/
a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: diff changeset	134 };
a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: diff changeset	135
a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: diff changeset	136 frameobject *
1293 ac3c80abbf43 * classobject.c: in instance_getattr, don't make a method out of a Guido van Rossum <guido@python.org> parents: 1289 diff changeset	137 newframeobject(back, code, globals, locals, owner, nvalues, nblocks)
86 a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: diff changeset	138 frameobject *back;
a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: diff changeset	139 codeobject *code;
a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: diff changeset	140 object *globals;
a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: diff changeset	141 object *locals;
1293 ac3c80abbf43 * classobject.c: in instance_getattr, don't make a method out of a Guido van Rossum <guido@python.org> parents: 1289 diff changeset	142 object *owner;
86 a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: diff changeset	143 int nvalues;
a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: diff changeset	144 int nblocks;
a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: diff changeset	145 {
2627 e9ea05702676 Use mappinglookup instead of dictlookup for looking up __builtin__. Sjoerd Mullender <sjoerd@acm.org> parents: 2151 diff changeset	146 static object *builtin_object;
86 a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: diff changeset	147 frameobject *f;
2104 7493c6805dc6 add builtins handling and restricted flag Guido van Rossum <guido@python.org> parents: 2059 diff changeset	148 object *builtins;
2627 e9ea05702676 Use mappinglookup instead of dictlookup for looking up __builtin__. Sjoerd Mullender <sjoerd@acm.org> parents: 2151 diff changeset	149 if (builtin_object == NULL) {
e9ea05702676 Use mappinglookup instead of dictlookup for looking up __builtin__. Sjoerd Mullender <sjoerd@acm.org> parents: 2151 diff changeset	150 builtin_object = newstringobject("__builtins__");
e9ea05702676 Use mappinglookup instead of dictlookup for looking up __builtin__. Sjoerd Mullender <sjoerd@acm.org> parents: 2151 diff changeset	151 if (builtin_object == NULL)
e9ea05702676 Use mappinglookup instead of dictlookup for looking up __builtin__. Sjoerd Mullender <sjoerd@acm.org> parents: 2151 diff changeset	152 return NULL;
e9ea05702676 Use mappinglookup instead of dictlookup for looking up __builtin__. Sjoerd Mullender <sjoerd@acm.org> parents: 2151 diff changeset	153 }
86 a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: diff changeset	154 if ((back != NULL && !is_frameobject(back)) \|\|
a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: diff changeset	155 code == NULL \|\| !is_codeobject(code) \|\|
a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: diff changeset	156 globals == NULL \|\| !is_dictobject(globals) \|\|
2842 420874f7d8bd changes for keyword arguments and fast function call; added abstract.c Guido van Rossum <guido@python.org> parents: 2627 diff changeset	157 locals != NULL && !is_dictobject(locals) \|\|
86 a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: diff changeset	158 nvalues < 0 \|\| nblocks < 0) {
a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: diff changeset	159 err_badcall();
a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: diff changeset	160 return NULL;
a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: diff changeset	161 }
2627 e9ea05702676 Use mappinglookup instead of dictlookup for looking up __builtin__. Sjoerd Mullender <sjoerd@acm.org> parents: 2151 diff changeset	162 builtins = mappinglookup(globals, builtin_object);
2151 5fd8524dd03a different init for __builtins__ Guido van Rossum <guido@python.org> parents: 2104 diff changeset	163 if (builtins != NULL && is_moduleobject(builtins))
5fd8524dd03a different init for __builtins__ Guido van Rossum <guido@python.org> parents: 2104 diff changeset	164 builtins = getmoduledict(builtins);
2104 7493c6805dc6 add builtins handling and restricted flag Guido van Rossum <guido@python.org> parents: 2059 diff changeset	165 if (builtins == NULL \|\| !is_mappingobject(builtins)) {
7493c6805dc6 add builtins handling and restricted flag Guido van Rossum <guido@python.org> parents: 2059 diff changeset	166 err_setstr(TypeError, "bad __builtins__ dictionary");
7493c6805dc6 add builtins handling and restricted flag Guido van Rossum <guido@python.org> parents: 2059 diff changeset	167 return NULL;
7493c6805dc6 add builtins handling and restricted flag Guido van Rossum <guido@python.org> parents: 2059 diff changeset	168 }
1079 e4c6a0dd5c2b * bltinmodule.c: added built-in function cmp(a, b) Guido van Rossum <guido@python.org> parents: 795 diff changeset	169 if (free_list == NULL) {
e4c6a0dd5c2b * bltinmodule.c: added built-in function cmp(a, b) Guido van Rossum <guido@python.org> parents: 795 diff changeset	170 f = NEWOBJ(frameobject, &Frametype);
2842 420874f7d8bd changes for keyword arguments and fast function call; added abstract.c Guido van Rossum <guido@python.org> parents: 2627 diff changeset	171 if (f == NULL)
420874f7d8bd changes for keyword arguments and fast function call; added abstract.c Guido van Rossum <guido@python.org> parents: 2627 diff changeset	172 return NULL;
1079 e4c6a0dd5c2b * bltinmodule.c: added built-in function cmp(a, b) Guido van Rossum <guido@python.org> parents: 795 diff changeset	173 f->f_nvalues = f->f_nblocks = 0;
e4c6a0dd5c2b * bltinmodule.c: added built-in function cmp(a, b) Guido van Rossum <guido@python.org> parents: 795 diff changeset	174 f->f_valuestack = NULL;
e4c6a0dd5c2b * bltinmodule.c: added built-in function cmp(a, b) Guido van Rossum <guido@python.org> parents: 795 diff changeset	175 f->f_blockstack = NULL;
e4c6a0dd5c2b * bltinmodule.c: added built-in function cmp(a, b) Guido van Rossum <guido@python.org> parents: 795 diff changeset	176 }
e4c6a0dd5c2b * bltinmodule.c: added built-in function cmp(a, b) Guido van Rossum <guido@python.org> parents: 795 diff changeset	177 else {
e4c6a0dd5c2b * bltinmodule.c: added built-in function cmp(a, b) Guido van Rossum <guido@python.org> parents: 795 diff changeset	178 f = free_list;
e4c6a0dd5c2b * bltinmodule.c: added built-in function cmp(a, b) Guido van Rossum <guido@python.org> parents: 795 diff changeset	179 free_list = free_list->f_back;
1334 f3848f74b282 * clmodule.c (doParams): free PVbuffer in error condition. Sjoerd Mullender <sjoerd@acm.org> parents: 1293 diff changeset	180 f->ob_type = &Frametype;
1079 e4c6a0dd5c2b * bltinmodule.c: added built-in function cmp(a, b) Guido van Rossum <guido@python.org> parents: 795 diff changeset	181 NEWREF(f);
e4c6a0dd5c2b * bltinmodule.c: added built-in function cmp(a, b) Guido van Rossum <guido@python.org> parents: 795 diff changeset	182 }
2842 420874f7d8bd changes for keyword arguments and fast function call; added abstract.c Guido van Rossum <guido@python.org> parents: 2627 diff changeset	183 XINCREF(back);
420874f7d8bd changes for keyword arguments and fast function call; added abstract.c Guido van Rossum <guido@python.org> parents: 2627 diff changeset	184 f->f_back = back;
420874f7d8bd changes for keyword arguments and fast function call; added abstract.c Guido van Rossum <guido@python.org> parents: 2627 diff changeset	185 INCREF(code);
420874f7d8bd changes for keyword arguments and fast function call; added abstract.c Guido van Rossum <guido@python.org> parents: 2627 diff changeset	186 f->f_code = code;
420874f7d8bd changes for keyword arguments and fast function call; added abstract.c Guido van Rossum <guido@python.org> parents: 2627 diff changeset	187 XINCREF(builtins);
420874f7d8bd changes for keyword arguments and fast function call; added abstract.c Guido van Rossum <guido@python.org> parents: 2627 diff changeset	188 f->f_builtins = builtins;
420874f7d8bd changes for keyword arguments and fast function call; added abstract.c Guido van Rossum <guido@python.org> parents: 2627 diff changeset	189 INCREF(globals);
420874f7d8bd changes for keyword arguments and fast function call; added abstract.c Guido van Rossum <guido@python.org> parents: 2627 diff changeset	190 f->f_globals = globals;
2856 a7af970a94a4 better policy regarding NULL locals Guido van Rossum <guido@python.org> parents: 2842 diff changeset	191 if (code->co_flags & CO_NEWLOCALS) {
a7af970a94a4 better policy regarding NULL locals Guido van Rossum <guido@python.org> parents: 2842 diff changeset	192 if (code->co_flags & CO_OPTIMIZED)
a7af970a94a4 better policy regarding NULL locals Guido van Rossum <guido@python.org> parents: 2842 diff changeset	193 locals = NULL; /* Let fast_2_locals handle it */
a7af970a94a4 better policy regarding NULL locals Guido van Rossum <guido@python.org> parents: 2842 diff changeset	194 else {
a7af970a94a4 better policy regarding NULL locals Guido van Rossum <guido@python.org> parents: 2842 diff changeset	195 locals = newdictobject();
a7af970a94a4 better policy regarding NULL locals Guido van Rossum <guido@python.org> parents: 2842 diff changeset	196 if (locals == NULL) {
a7af970a94a4 better policy regarding NULL locals Guido van Rossum <guido@python.org> parents: 2842 diff changeset	197 DECREF(f);
a7af970a94a4 better policy regarding NULL locals Guido van Rossum <guido@python.org> parents: 2842 diff changeset	198 return NULL;
a7af970a94a4 better policy regarding NULL locals Guido van Rossum <guido@python.org> parents: 2842 diff changeset	199 }
2842 420874f7d8bd changes for keyword arguments and fast function call; added abstract.c Guido van Rossum <guido@python.org> parents: 2627 diff changeset	200 }
420874f7d8bd changes for keyword arguments and fast function call; added abstract.c Guido van Rossum <guido@python.org> parents: 2627 diff changeset	201 }
420874f7d8bd changes for keyword arguments and fast function call; added abstract.c Guido van Rossum <guido@python.org> parents: 2627 diff changeset	202 else {
420874f7d8bd changes for keyword arguments and fast function call; added abstract.c Guido van Rossum <guido@python.org> parents: 2627 diff changeset	203 if (locals == NULL)
420874f7d8bd changes for keyword arguments and fast function call; added abstract.c Guido van Rossum <guido@python.org> parents: 2627 diff changeset	204 locals = globals;
86 a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: diff changeset	205 INCREF(locals);
2842 420874f7d8bd changes for keyword arguments and fast function call; added abstract.c Guido van Rossum <guido@python.org> parents: 2627 diff changeset	206 }
420874f7d8bd changes for keyword arguments and fast function call; added abstract.c Guido van Rossum <guido@python.org> parents: 2627 diff changeset	207 f->f_locals = locals;
420874f7d8bd changes for keyword arguments and fast function call; added abstract.c Guido van Rossum <guido@python.org> parents: 2627 diff changeset	208 XINCREF(owner);
420874f7d8bd changes for keyword arguments and fast function call; added abstract.c Guido van Rossum <guido@python.org> parents: 2627 diff changeset	209 f->f_owner = owner;
420874f7d8bd changes for keyword arguments and fast function call; added abstract.c Guido van Rossum <guido@python.org> parents: 2627 diff changeset	210 f->f_fastlocals = NULL;
420874f7d8bd changes for keyword arguments and fast function call; added abstract.c Guido van Rossum <guido@python.org> parents: 2627 diff changeset	211 if (code->co_nlocals > 0) {
420874f7d8bd changes for keyword arguments and fast function call; added abstract.c Guido van Rossum <guido@python.org> parents: 2627 diff changeset	212 f->f_fastlocals = newlistobject(code->co_nlocals);
420874f7d8bd changes for keyword arguments and fast function call; added abstract.c Guido van Rossum <guido@python.org> parents: 2627 diff changeset	213 if (f->f_fastlocals == NULL) {
420874f7d8bd changes for keyword arguments and fast function call; added abstract.c Guido van Rossum <guido@python.org> parents: 2627 diff changeset	214 DECREF(f);
420874f7d8bd changes for keyword arguments and fast function call; added abstract.c Guido van Rossum <guido@python.org> parents: 2627 diff changeset	215 return NULL;
1079 e4c6a0dd5c2b * bltinmodule.c: added built-in function cmp(a, b) Guido van Rossum <guido@python.org> parents: 795 diff changeset	216 }
2842 420874f7d8bd changes for keyword arguments and fast function call; added abstract.c Guido van Rossum <guido@python.org> parents: 2627 diff changeset	217 }
420874f7d8bd changes for keyword arguments and fast function call; added abstract.c Guido van Rossum <guido@python.org> parents: 2627 diff changeset	218 if (nvalues > f->f_nvalues \|\| f->f_valuestack == NULL) {
420874f7d8bd changes for keyword arguments and fast function call; added abstract.c Guido van Rossum <guido@python.org> parents: 2627 diff changeset	219 XDEL(f->f_valuestack);
420874f7d8bd changes for keyword arguments and fast function call; added abstract.c Guido van Rossum <guido@python.org> parents: 2627 diff changeset	220 f->f_valuestack = NEW(object *, nvalues+1);
420874f7d8bd changes for keyword arguments and fast function call; added abstract.c Guido van Rossum <guido@python.org> parents: 2627 diff changeset	221 f->f_nvalues = nvalues;
420874f7d8bd changes for keyword arguments and fast function call; added abstract.c Guido van Rossum <guido@python.org> parents: 2627 diff changeset	222 }
420874f7d8bd changes for keyword arguments and fast function call; added abstract.c Guido van Rossum <guido@python.org> parents: 2627 diff changeset	223 if (nblocks > f->f_nblocks \|\| f->f_blockstack == NULL) {
420874f7d8bd changes for keyword arguments and fast function call; added abstract.c Guido van Rossum <guido@python.org> parents: 2627 diff changeset	224 XDEL(f->f_blockstack);
420874f7d8bd changes for keyword arguments and fast function call; added abstract.c Guido van Rossum <guido@python.org> parents: 2627 diff changeset	225 f->f_blockstack = NEW(block, nblocks+1);
420874f7d8bd changes for keyword arguments and fast function call; added abstract.c Guido van Rossum <guido@python.org> parents: 2627 diff changeset	226 f->f_nblocks = nblocks;
420874f7d8bd changes for keyword arguments and fast function call; added abstract.c Guido van Rossum <guido@python.org> parents: 2627 diff changeset	227 }
420874f7d8bd changes for keyword arguments and fast function call; added abstract.c Guido van Rossum <guido@python.org> parents: 2627 diff changeset	228 f->f_iblock = 0;
420874f7d8bd changes for keyword arguments and fast function call; added abstract.c Guido van Rossum <guido@python.org> parents: 2627 diff changeset	229 f->f_lasti = 0;
420874f7d8bd changes for keyword arguments and fast function call; added abstract.c Guido van Rossum <guido@python.org> parents: 2627 diff changeset	230 f->f_lineno = -1;
420874f7d8bd changes for keyword arguments and fast function call; added abstract.c Guido van Rossum <guido@python.org> parents: 2627 diff changeset	231 f->f_restricted = (builtins != getbuiltindict());
420874f7d8bd changes for keyword arguments and fast function call; added abstract.c Guido van Rossum <guido@python.org> parents: 2627 diff changeset	232 f->f_trace = NULL;
420874f7d8bd changes for keyword arguments and fast function call; added abstract.c Guido van Rossum <guido@python.org> parents: 2627 diff changeset	233 if (f->f_valuestack == NULL \|\| f->f_blockstack == NULL) {
420874f7d8bd changes for keyword arguments and fast function call; added abstract.c Guido van Rossum <guido@python.org> parents: 2627 diff changeset	234 err_nomem();
420874f7d8bd changes for keyword arguments and fast function call; added abstract.c Guido van Rossum <guido@python.org> parents: 2627 diff changeset	235 DECREF(f);
420874f7d8bd changes for keyword arguments and fast function call; added abstract.c Guido van Rossum <guido@python.org> parents: 2627 diff changeset	236 return NULL;
86 a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: diff changeset	237 }
a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: diff changeset	238 return f;
a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: diff changeset	239 }
a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: diff changeset	240
1079 e4c6a0dd5c2b * bltinmodule.c: added built-in function cmp(a, b) Guido van Rossum <guido@python.org> parents: 795 diff changeset	241 object **
e4c6a0dd5c2b * bltinmodule.c: added built-in function cmp(a, b) Guido van Rossum <guido@python.org> parents: 795 diff changeset	242 extend_stack(f, level, incr)
e4c6a0dd5c2b * bltinmodule.c: added built-in function cmp(a, b) Guido van Rossum <guido@python.org> parents: 795 diff changeset	243 frameobject *f;
e4c6a0dd5c2b * bltinmodule.c: added built-in function cmp(a, b) Guido van Rossum <guido@python.org> parents: 795 diff changeset	244 int level;
e4c6a0dd5c2b * bltinmodule.c: added built-in function cmp(a, b) Guido van Rossum <guido@python.org> parents: 795 diff changeset	245 int incr;
e4c6a0dd5c2b * bltinmodule.c: added built-in function cmp(a, b) Guido van Rossum <guido@python.org> parents: 795 diff changeset	246 {
e4c6a0dd5c2b * bltinmodule.c: added built-in function cmp(a, b) Guido van Rossum <guido@python.org> parents: 795 diff changeset	247 f->f_nvalues = level + incr + 10;
e4c6a0dd5c2b * bltinmodule.c: added built-in function cmp(a, b) Guido van Rossum <guido@python.org> parents: 795 diff changeset	248 f->f_valuestack =
e4c6a0dd5c2b * bltinmodule.c: added built-in function cmp(a, b) Guido van Rossum <guido@python.org> parents: 795 diff changeset	249 (object *) realloc((ANY )f->f_valuestack,
e4c6a0dd5c2b * bltinmodule.c: added built-in function cmp(a, b) Guido van Rossum <guido@python.org> parents: 795 diff changeset	250 sizeof(object ) (f->f_nvalues + 1));
e4c6a0dd5c2b * bltinmodule.c: added built-in function cmp(a, b) Guido van Rossum <guido@python.org> parents: 795 diff changeset	251 if (f->f_valuestack == NULL) {
e4c6a0dd5c2b * bltinmodule.c: added built-in function cmp(a, b) Guido van Rossum <guido@python.org> parents: 795 diff changeset	252 err_nomem();
e4c6a0dd5c2b * bltinmodule.c: added built-in function cmp(a, b) Guido van Rossum <guido@python.org> parents: 795 diff changeset	253 return NULL;
e4c6a0dd5c2b * bltinmodule.c: added built-in function cmp(a, b) Guido van Rossum <guido@python.org> parents: 795 diff changeset	254 }
e4c6a0dd5c2b * bltinmodule.c: added built-in function cmp(a, b) Guido van Rossum <guido@python.org> parents: 795 diff changeset	255 return f->f_valuestack + level;
e4c6a0dd5c2b * bltinmodule.c: added built-in function cmp(a, b) Guido van Rossum <guido@python.org> parents: 795 diff changeset	256 }
e4c6a0dd5c2b * bltinmodule.c: added built-in function cmp(a, b) Guido van Rossum <guido@python.org> parents: 795 diff changeset	257
86 a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: diff changeset	258 /* Block management */
a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: diff changeset	259
a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: diff changeset	260 void
a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: diff changeset	261 setup_block(f, type, handler, level)
a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: diff changeset	262 frameobject *f;
a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: diff changeset	263 int type;
a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: diff changeset	264 int handler;
a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: diff changeset	265 int level;
a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: diff changeset	266 {
a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: diff changeset	267 block *b;
2053 de49d49044d7 Lots of minor changes. Note for mappingobject.c: the hash table pointer Guido van Rossum <guido@python.org> parents: 1848 diff changeset	268 if (f->f_iblock >= f->f_nblocks)
de49d49044d7 Lots of minor changes. Note for mappingobject.c: the hash table pointer Guido van Rossum <guido@python.org> parents: 1848 diff changeset	269 fatal("XXX block stack overflow");
86 a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: diff changeset	270 b = &f->f_blockstack[f->f_iblock++];
a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: diff changeset	271 b->b_type = type;
a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: diff changeset	272 b->b_level = level;
a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: diff changeset	273 b->b_handler = handler;
a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: diff changeset	274 }
a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: diff changeset	275
a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: diff changeset	276 block *
a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: diff changeset	277 pop_block(f)
a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: diff changeset	278 frameobject *f;
a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: diff changeset	279 {
a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: diff changeset	280 block *b;
2053 de49d49044d7 Lots of minor changes. Note for mappingobject.c: the hash table pointer Guido van Rossum <guido@python.org> parents: 1848 diff changeset	281 if (f->f_iblock <= 0)
de49d49044d7 Lots of minor changes. Note for mappingobject.c: the hash table pointer Guido van Rossum <guido@python.org> parents: 1848 diff changeset	282 fatal("XXX block stack underflow");
86 a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: diff changeset	283 b = &f->f_blockstack[--f->f_iblock];
a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: diff changeset	284 return b;
a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: diff changeset	285 }
1848 b724599401ff Merge back to main trunk Guido van Rossum <guido@python.org> parents: 1334 diff changeset	286
b724599401ff Merge back to main trunk Guido van Rossum <guido@python.org> parents: 1334 diff changeset	287 /* Convert between "fast" version of locals and dictionary version */
b724599401ff Merge back to main trunk Guido van Rossum <guido@python.org> parents: 1334 diff changeset	288
b724599401ff Merge back to main trunk Guido van Rossum <guido@python.org> parents: 1334 diff changeset	289 void
b724599401ff Merge back to main trunk Guido van Rossum <guido@python.org> parents: 1334 diff changeset	290 fast_2_locals(f)
b724599401ff Merge back to main trunk Guido van Rossum <guido@python.org> parents: 1334 diff changeset	291 frameobject *f;
b724599401ff Merge back to main trunk Guido van Rossum <guido@python.org> parents: 1334 diff changeset	292 {
b724599401ff Merge back to main trunk Guido van Rossum <guido@python.org> parents: 1334 diff changeset	293 /* Merge f->f_fastlocals into f->f_locals */
b724599401ff Merge back to main trunk Guido van Rossum <guido@python.org> parents: 1334 diff changeset	294 object locals, fast, *map;
2053 de49d49044d7 Lots of minor changes. Note for mappingobject.c: the hash table pointer Guido van Rossum <guido@python.org> parents: 1848 diff changeset	295 object error_type, error_value, *error_traceback;
1848 b724599401ff Merge back to main trunk Guido van Rossum <guido@python.org> parents: 1334 diff changeset	296 int j;
b724599401ff Merge back to main trunk Guido van Rossum <guido@python.org> parents: 1334 diff changeset	297 if (f == NULL)
b724599401ff Merge back to main trunk Guido van Rossum <guido@python.org> parents: 1334 diff changeset	298 return;
b724599401ff Merge back to main trunk Guido van Rossum <guido@python.org> parents: 1334 diff changeset	299 locals = f->f_locals;
2842 420874f7d8bd changes for keyword arguments and fast function call; added abstract.c Guido van Rossum <guido@python.org> parents: 2627 diff changeset	300 if (locals == NULL) {
420874f7d8bd changes for keyword arguments and fast function call; added abstract.c Guido van Rossum <guido@python.org> parents: 2627 diff changeset	301 locals = f->f_locals = newdictobject();
420874f7d8bd changes for keyword arguments and fast function call; added abstract.c Guido van Rossum <guido@python.org> parents: 2627 diff changeset	302 if (locals == NULL) {
420874f7d8bd changes for keyword arguments and fast function call; added abstract.c Guido van Rossum <guido@python.org> parents: 2627 diff changeset	303 err_clear(); /* Can't report it :-( */
420874f7d8bd changes for keyword arguments and fast function call; added abstract.c Guido van Rossum <guido@python.org> parents: 2627 diff changeset	304 return;
420874f7d8bd changes for keyword arguments and fast function call; added abstract.c Guido van Rossum <guido@python.org> parents: 2627 diff changeset	305 }
420874f7d8bd changes for keyword arguments and fast function call; added abstract.c Guido van Rossum <guido@python.org> parents: 2627 diff changeset	306 }
2856 a7af970a94a4 better policy regarding NULL locals Guido van Rossum <guido@python.org> parents: 2842 diff changeset	307 fast = f->f_fastlocals;
a7af970a94a4 better policy regarding NULL locals Guido van Rossum <guido@python.org> parents: 2842 diff changeset	308 if (fast == NULL \|\| f->f_code->co_nlocals == 0)
a7af970a94a4 better policy regarding NULL locals Guido van Rossum <guido@python.org> parents: 2842 diff changeset	309 return;
a7af970a94a4 better policy regarding NULL locals Guido van Rossum <guido@python.org> parents: 2842 diff changeset	310 map = f->f_code->co_varnames;
1848 b724599401ff Merge back to main trunk Guido van Rossum <guido@python.org> parents: 1334 diff changeset	311 if (!is_dictobject(locals) \|\| !is_listobject(fast) \|\|
b724599401ff Merge back to main trunk Guido van Rossum <guido@python.org> parents: 1334 diff changeset	312 !is_tupleobject(map))
b724599401ff Merge back to main trunk Guido van Rossum <guido@python.org> parents: 1334 diff changeset	313 return;
2053 de49d49044d7 Lots of minor changes. Note for mappingobject.c: the hash table pointer Guido van Rossum <guido@python.org> parents: 1848 diff changeset	314 err_fetch(&error_type, &error_value, &error_traceback);
1848 b724599401ff Merge back to main trunk Guido van Rossum <guido@python.org> parents: 1334 diff changeset	315 for (j = gettuplesize(map); --j >= 0; ) {
b724599401ff Merge back to main trunk Guido van Rossum <guido@python.org> parents: 1334 diff changeset	316 object *key = gettupleitem(map, j);
b724599401ff Merge back to main trunk Guido van Rossum <guido@python.org> parents: 1334 diff changeset	317 object *value = getlistitem(fast, j);
b724599401ff Merge back to main trunk Guido van Rossum <guido@python.org> parents: 1334 diff changeset	318 if (value == NULL) {
b724599401ff Merge back to main trunk Guido van Rossum <guido@python.org> parents: 1334 diff changeset	319 err_clear();
b724599401ff Merge back to main trunk Guido van Rossum <guido@python.org> parents: 1334 diff changeset	320 if (dict2remove(locals, key) != 0)
b724599401ff Merge back to main trunk Guido van Rossum <guido@python.org> parents: 1334 diff changeset	321 err_clear();
b724599401ff Merge back to main trunk Guido van Rossum <guido@python.org> parents: 1334 diff changeset	322 }
b724599401ff Merge back to main trunk Guido van Rossum <guido@python.org> parents: 1334 diff changeset	323 else {
b724599401ff Merge back to main trunk Guido van Rossum <guido@python.org> parents: 1334 diff changeset	324 if (dict2insert(locals, key, value) != 0)
b724599401ff Merge back to main trunk Guido van Rossum <guido@python.org> parents: 1334 diff changeset	325 err_clear();
b724599401ff Merge back to main trunk Guido van Rossum <guido@python.org> parents: 1334 diff changeset	326 }
b724599401ff Merge back to main trunk Guido van Rossum <guido@python.org> parents: 1334 diff changeset	327 }
2053 de49d49044d7 Lots of minor changes. Note for mappingobject.c: the hash table pointer Guido van Rossum <guido@python.org> parents: 1848 diff changeset	328 err_restore(error_type, error_value, error_traceback);
1848 b724599401ff Merge back to main trunk Guido van Rossum <guido@python.org> parents: 1334 diff changeset	329 }
b724599401ff Merge back to main trunk Guido van Rossum <guido@python.org> parents: 1334 diff changeset	330
b724599401ff Merge back to main trunk Guido van Rossum <guido@python.org> parents: 1334 diff changeset	331 void
b724599401ff Merge back to main trunk Guido van Rossum <guido@python.org> parents: 1334 diff changeset	332 locals_2_fast(f, clear)
b724599401ff Merge back to main trunk Guido van Rossum <guido@python.org> parents: 1334 diff changeset	333 frameobject *f;
b724599401ff Merge back to main trunk Guido van Rossum <guido@python.org> parents: 1334 diff changeset	334 int clear;
b724599401ff Merge back to main trunk Guido van Rossum <guido@python.org> parents: 1334 diff changeset	335 {
b724599401ff Merge back to main trunk Guido van Rossum <guido@python.org> parents: 1334 diff changeset	336 /* Merge f->f_locals into f->f_fastlocals */
b724599401ff Merge back to main trunk Guido van Rossum <guido@python.org> parents: 1334 diff changeset	337 object locals, fast, *map;
2053 de49d49044d7 Lots of minor changes. Note for mappingobject.c: the hash table pointer Guido van Rossum <guido@python.org> parents: 1848 diff changeset	338 object error_type, error_value, *error_traceback;
1848 b724599401ff Merge back to main trunk Guido van Rossum <guido@python.org> parents: 1334 diff changeset	339 int j;
b724599401ff Merge back to main trunk Guido van Rossum <guido@python.org> parents: 1334 diff changeset	340 if (f == NULL)
b724599401ff Merge back to main trunk Guido van Rossum <guido@python.org> parents: 1334 diff changeset	341 return;
b724599401ff Merge back to main trunk Guido van Rossum <guido@python.org> parents: 1334 diff changeset	342 locals = f->f_locals;
b724599401ff Merge back to main trunk Guido van Rossum <guido@python.org> parents: 1334 diff changeset	343 fast = f->f_fastlocals;
2842 420874f7d8bd changes for keyword arguments and fast function call; added abstract.c Guido van Rossum <guido@python.org> parents: 2627 diff changeset	344 map = f->f_code->co_varnames;
420874f7d8bd changes for keyword arguments and fast function call; added abstract.c Guido van Rossum <guido@python.org> parents: 2627 diff changeset	345 if (locals == NULL \|\| fast == NULL \|\| f->f_code->co_nlocals == 0)
1848 b724599401ff Merge back to main trunk Guido van Rossum <guido@python.org> parents: 1334 diff changeset	346 return;
b724599401ff Merge back to main trunk Guido van Rossum <guido@python.org> parents: 1334 diff changeset	347 if (!is_dictobject(locals) \|\| !is_listobject(fast) \|\|
b724599401ff Merge back to main trunk Guido van Rossum <guido@python.org> parents: 1334 diff changeset	348 !is_tupleobject(map))
b724599401ff Merge back to main trunk Guido van Rossum <guido@python.org> parents: 1334 diff changeset	349 return;
2053 de49d49044d7 Lots of minor changes. Note for mappingobject.c: the hash table pointer Guido van Rossum <guido@python.org> parents: 1848 diff changeset	350 err_fetch(&error_type, &error_value, &error_traceback);
1848 b724599401ff Merge back to main trunk Guido van Rossum <guido@python.org> parents: 1334 diff changeset	351 for (j = gettuplesize(map); --j >= 0; ) {
b724599401ff Merge back to main trunk Guido van Rossum <guido@python.org> parents: 1334 diff changeset	352 object *key = gettupleitem(map, j);
b724599401ff Merge back to main trunk Guido van Rossum <guido@python.org> parents: 1334 diff changeset	353 object *value = dict2lookup(locals, key);
b724599401ff Merge back to main trunk Guido van Rossum <guido@python.org> parents: 1334 diff changeset	354 if (value == NULL)
b724599401ff Merge back to main trunk Guido van Rossum <guido@python.org> parents: 1334 diff changeset	355 err_clear();
b724599401ff Merge back to main trunk Guido van Rossum <guido@python.org> parents: 1334 diff changeset	356 else
b724599401ff Merge back to main trunk Guido van Rossum <guido@python.org> parents: 1334 diff changeset	357 INCREF(value);
b724599401ff Merge back to main trunk Guido van Rossum <guido@python.org> parents: 1334 diff changeset	358 if (value != NULL \|\| clear)
b724599401ff Merge back to main trunk Guido van Rossum <guido@python.org> parents: 1334 diff changeset	359 if (setlistitem(fast, j, value) != 0)
b724599401ff Merge back to main trunk Guido van Rossum <guido@python.org> parents: 1334 diff changeset	360 err_clear();
b724599401ff Merge back to main trunk Guido van Rossum <guido@python.org> parents: 1334 diff changeset	361 }
2053 de49d49044d7 Lots of minor changes. Note for mappingobject.c: the hash table pointer Guido van Rossum <guido@python.org> parents: 1848 diff changeset	362 err_restore(error_type, error_value, error_traceback);
1848 b724599401ff Merge back to main trunk Guido van Rossum <guido@python.org> parents: 1334 diff changeset	363 }

Mercurial > cpython-lru_cache-weakref

annotate Objects/frameobject.c @ 4566:6403c94de50d legacy-trunk