1 | /* |
2 | * Copyright (C) 2015 Apple Inc. All rights reserved. |
3 | * Copyright (C) Saam Barati <saambarati1@gmail.com>. All rights reserved. |
4 | * |
5 | * Redistribution and use in source and binary forms, with or without |
6 | * modification, are permitted provided that the following conditions |
7 | * are met: |
8 | * 1. Redistributions of source code must retain the above copyright |
9 | * notice, this list of conditions and the following disclaimer. |
10 | * 2. Redistributions in binary form must reproduce the above copyright |
11 | * notice, this list of conditions and the following disclaimer in the |
12 | * documentation and/or other materials provided with the distribution. |
13 | * |
14 | * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY |
15 | * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
16 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
17 | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR |
18 | * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, |
19 | * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
20 | * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR |
21 | * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY |
22 | * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
23 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
24 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
25 | */ |
26 | |
27 | #pragma once |
28 | |
29 | #include "VM.h" |
30 | #include <wtf/text/WTFString.h> |
31 | |
32 | namespace JSC { |
33 | |
34 | enum RuntimeType : uint16_t { |
35 | TypeNothing = 0x0, |
36 | TypeFunction = 0x1, |
37 | TypeUndefined = 0x2, |
38 | TypeNull = 0x4, |
39 | TypeBoolean = 0x8, |
40 | TypeAnyInt = 0x10, |
41 | TypeNumber = 0x20, |
42 | TypeString = 0x40, |
43 | TypeObject = 0x80, |
44 | TypeSymbol = 0x100 |
45 | }; |
46 | |
47 | typedef uint16_t RuntimeTypeMask; |
48 | |
49 | static const RuntimeTypeMask RuntimeTypeMaskAllTypes = TypeFunction | TypeUndefined | TypeNull | TypeBoolean | TypeAnyInt | TypeNumber | TypeString | TypeObject | TypeSymbol; |
50 | |
51 | class JSValue; |
52 | RuntimeType runtimeTypeForValue(VM&, JSValue); |
53 | String runtimeTypeAsString(RuntimeType); |
54 | |
55 | ALWAYS_INLINE bool runtimeTypeIsPrimitive(RuntimeTypeMask type) |
56 | { |
57 | return type & ~(TypeFunction | TypeObject); |
58 | } |
59 | |
60 | } // namespace JSC |
61 | |