1/*
2 * Copyright (C) 2014-2019 Apple Inc. All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 * 1. Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
12 *
13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
24 */
25
26#pragma once
27
28#include "CallFrame.h"
29#include "Identifier.h"
30#include "Symbol.h"
31
32namespace JSC {
33
34inline Identifier::Identifier(VM& vm, AtomStringImpl* string)
35 : m_string(string)
36{
37#ifndef NDEBUG
38 checkCurrentAtomStringTable(vm);
39 if (string)
40 ASSERT_WITH_MESSAGE(!string->length() || string->isSymbol() || AtomStringImpl::isInAtomStringTable(string), "The atomic string comes from an other thread!");
41#else
42 UNUSED_PARAM(vm);
43#endif
44}
45
46inline Identifier::Identifier(VM& vm, const AtomString& string)
47 : m_string(string.string())
48{
49#ifndef NDEBUG
50 checkCurrentAtomStringTable(vm);
51 if (!string.isNull())
52 ASSERT_WITH_MESSAGE(!string.length() || string.impl()->isSymbol() || AtomStringImpl::isInAtomStringTable(string.impl()), "The atomic string comes from an other thread!");
53#else
54 UNUSED_PARAM(vm);
55#endif
56}
57
58inline Ref<StringImpl> Identifier::add(VM& vm, StringImpl* r)
59{
60#ifndef NDEBUG
61 checkCurrentAtomStringTable(vm);
62#endif
63 return *AtomStringImpl::addWithStringTableProvider(vm, r);
64}
65
66inline Identifier Identifier::fromUid(VM& vm, UniquedStringImpl* uid)
67{
68 if (!uid || !uid->isSymbol())
69 return Identifier(vm, uid);
70 return static_cast<SymbolImpl&>(*uid);
71}
72
73inline Identifier Identifier::fromUid(const PrivateName& name)
74{
75 return name.uid();
76}
77
78inline Identifier Identifier::fromUid(SymbolImpl& symbol)
79{
80 return symbol;
81}
82
83template<unsigned charactersCount>
84inline Identifier Identifier::fromString(VM& vm, const char (&characters)[charactersCount])
85{
86 return Identifier(&vm, characters);
87}
88
89inline Identifier Identifier::fromString(VM& vm, ASCIILiteral s)
90{
91 return Identifier(vm, String(s));
92}
93
94inline Identifier Identifier::fromString(VM& vm, const LChar* s, int length)
95{
96 return Identifier(vm, s, length);
97}
98
99inline Identifier Identifier::fromString(VM& vm, const UChar* s, int length)
100{
101 return Identifier(vm, s, length);
102}
103
104inline Identifier Identifier::fromString(VM& vm, const String& string)
105{
106 return Identifier(vm, string.impl());
107}
108
109inline Identifier Identifier::fromString(VM& vm, AtomStringImpl* atomStringImpl)
110{
111 return Identifier(vm, atomStringImpl);
112}
113
114inline Identifier Identifier::fromString(VM& vm, const AtomString& atomString)
115{
116 return Identifier(vm, atomString);
117}
118
119inline Identifier Identifier::fromString(VM& vm, SymbolImpl* symbolImpl)
120{
121 return Identifier(vm, symbolImpl);
122}
123
124inline Identifier Identifier::fromString(VM& vm, const char* s)
125{
126 return Identifier(vm, AtomString(s));
127}
128
129inline JSValue identifierToJSValue(VM& vm, const Identifier& identifier)
130{
131 if (identifier.isSymbol())
132 return Symbol::create(vm, static_cast<SymbolImpl&>(*identifier.impl()));
133 return jsString(vm, identifier.impl());
134}
135
136inline JSValue identifierToSafePublicJSValue(VM& vm, const Identifier& identifier)
137{
138 if (identifier.isSymbol() && !identifier.isPrivateName())
139 return Symbol::create(vm, static_cast<SymbolImpl&>(*identifier.impl()));
140 return jsString(vm, identifier.impl());
141}
142
143} // namespace JSC
144