1/*
2 * Copyright (C) 2014 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(ExecState* exec, AtomStringImpl* string)
35 : m_string(string)
36{
37#ifndef NDEBUG
38 checkCurrentAtomStringTable(exec);
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(exec);
43#endif
44}
45
46inline Identifier::Identifier(ExecState* exec, const AtomString& string)
47 : m_string(string.string())
48{
49#ifndef NDEBUG
50 checkCurrentAtomStringTable(exec);
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(exec);
55#endif
56}
57
58inline Ref<StringImpl> Identifier::add(ExecState* exec, StringImpl* r)
59{
60#ifndef NDEBUG
61 checkCurrentAtomStringTable(exec);
62#endif
63 VM& vm = exec->vm();
64 return *AtomStringImpl::addWithStringTableProvider(vm, r);
65}
66inline Ref<StringImpl> Identifier::add(VM* vm, StringImpl* r)
67{
68#ifndef NDEBUG
69 checkCurrentAtomStringTable(vm);
70#endif
71 return *AtomStringImpl::addWithStringTableProvider(*vm, r);
72}
73
74inline Identifier Identifier::fromUid(VM* vm, UniquedStringImpl* uid)
75{
76 if (!uid || !uid->isSymbol())
77 return Identifier(vm, uid);
78 return static_cast<SymbolImpl&>(*uid);
79}
80
81inline Identifier Identifier::fromUid(ExecState* exec, UniquedStringImpl* uid)
82{
83 return fromUid(&exec->vm(), uid);
84}
85
86inline Identifier Identifier::fromUid(const PrivateName& name)
87{
88 return name.uid();
89}
90
91inline Identifier Identifier::fromUid(SymbolImpl& symbol)
92{
93 return symbol;
94}
95
96template<unsigned charactersCount>
97inline Identifier Identifier::fromString(VM* vm, const char (&characters)[charactersCount])
98{
99 return Identifier(vm, characters);
100}
101
102template<unsigned charactersCount>
103inline Identifier Identifier::fromString(ExecState* exec, const char (&characters)[charactersCount])
104{
105 return Identifier(&exec->vm(), characters);
106}
107
108inline Identifier Identifier::fromString(VM* vm, const LChar* s, int length)
109{
110 return Identifier(vm, s, length);
111}
112
113inline Identifier Identifier::fromString(VM* vm, const UChar* s, int length)
114{
115 return Identifier(vm, s, length);
116}
117
118inline Identifier Identifier::fromString(VM* vm, const String& string)
119{
120 return Identifier(vm, string.impl());
121}
122
123inline Identifier Identifier::fromString(ExecState* exec, const String& string)
124{
125 return Identifier(&exec->vm(), string.impl());
126}
127
128inline Identifier Identifier::fromString(ExecState* exec, AtomStringImpl* atomString)
129{
130 return Identifier(exec, atomString);
131}
132
133inline Identifier Identifier::fromString(ExecState* exec, const AtomString& atomString)
134{
135 return Identifier(exec, atomString);
136}
137
138inline Identifier Identifier::fromString(ExecState* exec, const char* s)
139{
140 return Identifier(exec, AtomString(s));
141}
142
143inline JSValue identifierToJSValue(VM& vm, const Identifier& identifier)
144{
145 if (identifier.isSymbol())
146 return Symbol::create(vm, static_cast<SymbolImpl&>(*identifier.impl()));
147 return jsString(&vm, identifier.impl());
148}
149
150inline JSValue identifierToSafePublicJSValue(VM& vm, const Identifier& identifier)
151{
152 if (identifier.isSymbol() && !identifier.isPrivateName())
153 return Symbol::create(vm, static_cast<SymbolImpl&>(*identifier.impl()));
154 return jsString(&vm, identifier.impl());
155}
156
157} // namespace JSC
158