blob: d41343be643fb790dffe977edb582fbec9b64800 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
|
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
* vim: set ts=8 sts=4 et sw=4 tw=99:
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#ifndef vm_ObjectGroup_inl_h
#define vm_ObjectGroup_inl_h
#include "vm/ObjectGroup.h"
namespace js {
inline bool
ObjectGroup::needsSweep()
{
// Note: this can be called off thread during compacting GCs, in which case
// nothing will be running on the main thread.
return generation() != zoneFromAnyThread()->types.generation;
}
inline void
ObjectGroup::maybeSweep(AutoClearTypeInferenceStateOnOOM* oom)
{
if (needsSweep())
sweep(oom);
}
inline ObjectGroupFlags
ObjectGroup::flags()
{
maybeSweep(nullptr);
return flagsDontCheckGeneration();
}
inline void
ObjectGroup::addFlags(ObjectGroupFlags flags)
{
maybeSweep(nullptr);
flags_ |= flags;
}
inline void
ObjectGroup::clearFlags(ObjectGroupFlags flags)
{
maybeSweep(nullptr);
flags_ &= ~flags;
}
inline bool
ObjectGroup::hasAnyFlags(ObjectGroupFlags flags)
{
MOZ_ASSERT((flags & OBJECT_FLAG_DYNAMIC_MASK) == flags);
return !!(this->flags() & flags);
}
inline bool
ObjectGroup::hasAllFlags(ObjectGroupFlags flags)
{
MOZ_ASSERT((flags & OBJECT_FLAG_DYNAMIC_MASK) == flags);
return (this->flags() & flags) == flags;
}
inline bool
ObjectGroup::unknownProperties()
{
MOZ_ASSERT_IF(flags() & OBJECT_FLAG_UNKNOWN_PROPERTIES,
hasAllFlags(OBJECT_FLAG_DYNAMIC_MASK));
return !!(flags() & OBJECT_FLAG_UNKNOWN_PROPERTIES);
}
inline bool
ObjectGroup::shouldPreTenure()
{
return hasAnyFlags(OBJECT_FLAG_PRE_TENURE) && !unknownProperties();
}
inline bool
ObjectGroup::canPreTenure()
{
return !unknownProperties();
}
inline bool
ObjectGroup::fromAllocationSite()
{
return flags() & OBJECT_FLAG_FROM_ALLOCATION_SITE;
}
inline void
ObjectGroup::setShouldPreTenure(ExclusiveContext* cx)
{
MOZ_ASSERT(canPreTenure());
setFlags(cx, OBJECT_FLAG_PRE_TENURE);
}
inline TypeNewScript*
ObjectGroup::newScript()
{
maybeSweep(nullptr);
return newScriptDontCheckGeneration();
}
inline PreliminaryObjectArrayWithTemplate*
ObjectGroup::maybePreliminaryObjects()
{
maybeSweep(nullptr);
return maybePreliminaryObjectsDontCheckGeneration();
}
} // namespace js
#endif /* vm_ObjectGroup_inl_h */
|
