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#ifndef BuiltinNames_h 27#define BuiltinNames_h 28 29#include "CommonIdentifiers.h" 30#include "JSCBuiltins.h" 31 32namespace JSC { 33 34#define INITIALISE_BUILTIN_NAMES(name) , m_##name(vm, #name), m_##name##PrivateName(Identifier::from(PrivateName())) 35#define DECLARE_BUILTIN_NAMES(name) const Identifier m_##name; const Identifier m_##name##PrivateName;; 36#define DECLARE_BUILTIN_IDENTIFIER_ACCESSOR(name) \ 37 const Identifier& name##PublicName() const { return m_##name; } \ 38 const Identifier& name##PrivateName() const { return m_##name##PrivateName; } 39 40#define INITIALISE_PRIVATE_TO_PUBLIC_ENTRY(name) m_privateToPublicMap.add(m_##name##PrivateName.impl(), &m_##name); 41#define INITIALISE_PUBLIC_TO_PRIVATE_ENTRY(name) m_publicToPrivateMap.add(m_##name.impl(), &m_##name##PrivateName); 42 43class BuiltinNames { 44 WTF_MAKE_NONCOPYABLE(BuiltinNames); WTF_MAKE_FAST_ALLOCATED; 45 46public: 47 BuiltinNames(VM* vm, CommonIdentifiers* commonIdentifiers) 48 : m_emptyIdentifier(commonIdentifiers->emptyIdentifier) 49 JSC_FOREACH_BUILTIN_FUNCTION_NAME(INITIALISE_BUILTIN_NAMES) 50 JSC_COMMON_PRIVATE_IDENTIFIERS_EACH_PROPERTY_NAME(INITIALISE_BUILTIN_NAMES) 51 { 52 JSC_FOREACH_BUILTIN_FUNCTION_NAME(INITIALISE_PRIVATE_TO_PUBLIC_ENTRY) 53 JSC_COMMON_PRIVATE_IDENTIFIERS_EACH_PROPERTY_NAME(INITIALISE_PRIVATE_TO_PUBLIC_ENTRY) 54 JSC_FOREACH_BUILTIN_FUNCTION_NAME(INITIALISE_PUBLIC_TO_PRIVATE_ENTRY) 55 JSC_COMMON_PRIVATE_IDENTIFIERS_EACH_PROPERTY_NAME(INITIALISE_PUBLIC_TO_PRIVATE_ENTRY) 56 } 57 58 const Identifier* getPrivateName(const Identifier&) const; 59 const Identifier& getPublicName(const Identifier&) const; 60 61 JSC_FOREACH_BUILTIN_FUNCTION_NAME(DECLARE_BUILTIN_IDENTIFIER_ACCESSOR) 62 JSC_COMMON_PRIVATE_IDENTIFIERS_EACH_PROPERTY_NAME(DECLARE_BUILTIN_IDENTIFIER_ACCESSOR) 63 64private: 65 Identifier m_emptyIdentifier; 66 JSC_FOREACH_BUILTIN_FUNCTION_NAME(DECLARE_BUILTIN_NAMES) 67 JSC_COMMON_PRIVATE_IDENTIFIERS_EACH_PROPERTY_NAME(DECLARE_BUILTIN_NAMES) 68 typedef HashMap<RefPtr<StringImpl>, const Identifier*, IdentifierRepHash> BuiltinNamesMap; 69 BuiltinNamesMap m_publicToPrivateMap; 70 BuiltinNamesMap m_privateToPublicMap; 71}; 72 73#undef DECLARE_BUILTIN_NAMES 74#undef INITIALISE_BUILTIN_NAMES 75#undef DECLARE_BUILTIN_IDENTIFIER_ACCESSOR 76 77 78inline const Identifier* BuiltinNames::getPrivateName(const Identifier& ident) const 79{ 80 auto iter = m_publicToPrivateMap.find(ident.impl()); 81 if (iter != m_publicToPrivateMap.end()) 82 return iter->value; 83 return 0; 84} 85 86inline const Identifier& BuiltinNames::getPublicName(const Identifier& ident) const 87{ 88 auto iter = m_privateToPublicMap.find(ident.impl()); 89 if (iter != m_privateToPublicMap.end()) 90 return *iter->value; 91 return m_emptyIdentifier; 92} 93 94 95} 96 97#endif 98