/src/mozilla-central/js/src/vm/ArrayBufferObject-inl.h
Line | Count | Source (jump to first uncovered line) |
1 | | /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*- |
2 | | * vim: set ts=8 sts=4 et sw=4 tw=99: |
3 | | * This Source Code Form is subject to the terms of the Mozilla Public |
4 | | * License, v. 2.0. If a copy of the MPL was not distributed with this |
5 | | * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ |
6 | | |
7 | | #ifndef vm_ArrayBufferObject_inl_h |
8 | | #define vm_ArrayBufferObject_inl_h |
9 | | |
10 | | /* Utilities and common inline code for ArrayBufferObject and SharedArrayBufferObject */ |
11 | | |
12 | | #include "vm/ArrayBufferObject.h" |
13 | | |
14 | | #include "js/Value.h" |
15 | | |
16 | | #include "vm/SharedArrayObject.h" |
17 | | #include "vm/SharedMem.h" |
18 | | |
19 | | namespace js { |
20 | | |
21 | | inline SharedMem<uint8_t*> |
22 | | ArrayBufferObjectMaybeShared::dataPointerEither() |
23 | 0 | { |
24 | 0 | ArrayBufferObjectMaybeShared* buf = this; |
25 | 0 | if (buf->is<ArrayBufferObject>()) { |
26 | 0 | return buf->as<ArrayBufferObject>().dataPointerShared(); |
27 | 0 | } |
28 | 0 | return buf->as<SharedArrayBufferObject>().dataPointerShared(); |
29 | 0 | } |
30 | | |
31 | | inline bool |
32 | | ArrayBufferObjectMaybeShared::isDetached() const |
33 | 0 | { |
34 | 0 | if (this->is<ArrayBufferObject>()) { |
35 | 0 | return this->as<ArrayBufferObject>().isDetached(); |
36 | 0 | } |
37 | 0 | return false; |
38 | 0 | } |
39 | | |
40 | | inline uint32_t |
41 | | AnyArrayBufferByteLength(const ArrayBufferObjectMaybeShared* buf) |
42 | 0 | { |
43 | 0 | if (buf->is<ArrayBufferObject>()) { |
44 | 0 | return buf->as<ArrayBufferObject>().byteLength(); |
45 | 0 | } |
46 | 0 | return buf->as<SharedArrayBufferObject>().byteLength(); |
47 | 0 | } |
48 | | |
49 | | inline uint32_t |
50 | | ArrayBufferObjectMaybeShared::byteLength() |
51 | 0 | { |
52 | 0 | return AnyArrayBufferByteLength(this); |
53 | 0 | } |
54 | | |
55 | | inline bool |
56 | | AnyArrayBufferIsPreparedForAsmJS(const ArrayBufferObjectMaybeShared* buf) |
57 | 0 | { |
58 | 0 | if (buf->is<ArrayBufferObject>()) { |
59 | 0 | return buf->as<ArrayBufferObject>().isPreparedForAsmJS(); |
60 | 0 | } |
61 | 0 | return buf->as<SharedArrayBufferObject>().isPreparedForAsmJS(); |
62 | 0 | } |
63 | | |
64 | | inline bool |
65 | | ArrayBufferObjectMaybeShared::isPreparedForAsmJS() const |
66 | 0 | { |
67 | 0 | return AnyArrayBufferIsPreparedForAsmJS(this); |
68 | 0 | } |
69 | | |
70 | | inline bool |
71 | | AnyArrayBufferIsWasm(const ArrayBufferObjectMaybeShared* buf) |
72 | 0 | { |
73 | 0 | if (buf->is<ArrayBufferObject>()) { |
74 | 0 | return buf->as<ArrayBufferObject>().isWasm(); |
75 | 0 | } |
76 | 0 | return buf->as<SharedArrayBufferObject>().isWasm(); |
77 | 0 | } |
78 | | |
79 | | inline bool |
80 | | ArrayBufferObjectMaybeShared::isWasm() const |
81 | 0 | { |
82 | 0 | return AnyArrayBufferIsWasm(this); |
83 | 0 | } |
84 | | |
85 | | inline ArrayBufferObjectMaybeShared& |
86 | | AsAnyArrayBuffer(HandleValue val) |
87 | 0 | { |
88 | 0 | if (val.toObject().is<ArrayBufferObject>()) { |
89 | 0 | return val.toObject().as<ArrayBufferObject>(); |
90 | 0 | } |
91 | 0 | return val.toObject().as<SharedArrayBufferObject>(); |
92 | 0 | } |
93 | | |
94 | | } // namespace js |
95 | | |
96 | | #endif // vm_ArrayBufferObject_inl_h |