| 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 | |