FazBrowse GitHub Viewer
|
Trending
|
URL:
|
Home
Tools:
[Download Repo ZIP]
[View Raw Code]
[Original HTTPS Page]
WebKit/Source/JavaScriptCore/bytecompiler/RegisterID.h at main · WebKit/WebKit · GitHub
Uh oh!
There was an error while loading.
Please reload this page
.
WebKit
/
WebKit
Public
Notifications
You must be signed in to change notification settings
Fork
2.1k
Star
10.1k
Code
Pull requests
2.6k
Actions
Wiki
Security and quality
0
Insights
Additional navigation options
Code
Pull requests
Actions
Wiki
Security and quality
Insights
Expand file tree
Breadcrumbs
WebKit
/
Source
/
JavaScriptCore
/
bytecompiler
/
RegisterID.h
Copy path
More file actions
More file actions
Latest commit
History
History
History
136 lines (115 loc) · 3.76 KB
Breadcrumbs
WebKit
/
Source
/
JavaScriptCore
/
bytecompiler
/
RegisterID.h
Copy path
File metadata and controls
136 lines (115 loc) · 3.76 KB
Raw
Copy raw file
Download raw file
Open symbols panel
Edit and raw actions
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
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
/*
* Copyright (C) 2008-2019 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of Apple Inc. ("Apple") nor the names of
* its contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#
pragma
once
#
include
"
VirtualRegister.h
"
#
include
<
wtf/Assertions.h
>
#
include
<
wtf/VectorTraits.h
>
namespace
JSC
{
class
RegisterID
{
WTF_MAKE_NONCOPYABLE
(RegisterID);
friend
class
VirtualRegister
;
public:
RegisterID
()
: m_refCount(
0
)
, m_isTemporary(
false
)
#
if
ASSERT_ENABLED
, m_didSetIndex(
false
)
#
endif
{
}
RegisterID
(VirtualRegister virtualRegister)
: m_refCount(
0
)
, m_virtualRegister(virtualRegister)
, m_isTemporary(
false
)
#
if
ASSERT_ENABLED
, m_didSetIndex(
true
)
#
endif
{
}
explicit
RegisterID
(
int
index)
: m_refCount(
0
)
, m_virtualRegister(VirtualRegister(index))
, m_isTemporary(
false
)
#
if
ASSERT_ENABLED
, m_didSetIndex(
true
)
#
endif
{
}
void
setIndex
(VirtualRegister index)
{
#
if
ASSERT_ENABLED
m_didSetIndex =
true
;
#
endif
m_virtualRegister = index;
}
void
setTemporary
()
{
m_isTemporary =
true
;
}
int
index
()
const
{
ASSERT
(m_didSetIndex);
return
m_virtualRegister.
offset
();
}
VirtualRegister
virtualRegister
()
const
{
ASSERT
(m_virtualRegister.
isValid
());
return
m_virtualRegister;
}
bool
isTemporary
()
{
return
m_isTemporary;
}
void
ref
()
{
++m_refCount;
}
void
deref
()
{
--m_refCount;
ASSERT
(m_refCount >=
0
);
}
int
refCount
()
const
{
return
m_refCount;
}
private:
int
m_refCount;
VirtualRegister m_virtualRegister;
bool
m_isTemporary;
#
if
ASSERT_ENABLED
bool
m_didSetIndex;
#
endif
};
}
//
namespace JSC
namespace
WTF
{
template
<>
struct
VectorTraits
<
JSC
::RegisterID> : VectorTraitsBase<
true
,
JSC
::RegisterID> {
static
constexpr
bool
needsInitialization =
true
;
static
constexpr
bool
canInitializeWithMemset =
true
;
//
Default initialization just sets everything to 0 or false, so this is safe.
};
}
//
namespace WTF
Back
|
FazBrowse Home
|
New Git URL