Merge 'wip/next' into dev

Change-Id: Iff9ee5e23bb326c4371ec8ed81d56f2f05d680e9

1 files changed, 124 insertions, 0 deletions

diff --git a/Source/JavaScriptCore/builtins/BuiltinNames.h b/Source/JavaScriptCore/builtins/BuiltinNames.h
new file mode 100644
index 000000000..75fc848e2
--- /dev/null
+++ b/Source/JavaScriptCore/builtins/BuiltinNames.h
@@ -0,0 +1,124 @@
+/*
+ * Copyright (C) 2014 Apple Inc. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE INC. OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
+ * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef BuiltinNames_h
+#define BuiltinNames_h
+
+#include "BuiltinUtils.h"
+#include "CommonIdentifiers.h"
+#include "JSCBuiltins.h"
+
+namespace JSC {
+
+#define INITIALIZE_PRIVATE_TO_PUBLIC_ENTRY(name) m_privateToPublicMap.add(m_##name##PrivateName.impl(), &m_##name);
+#define INITIALIZE_PUBLIC_TO_PRIVATE_ENTRY(name) m_publicToPrivateMap.add(m_##name.impl(), &m_##name##PrivateName);
+
+class BuiltinNames {
+    WTF_MAKE_NONCOPYABLE(BuiltinNames); WTF_MAKE_FAST_ALLOCATED;
+    
+public:
+    BuiltinNames(VM* vm, CommonIdentifiers* commonIdentifiers)
+        : m_emptyIdentifier(commonIdentifiers->emptyIdentifier)
+        JSC_FOREACH_BUILTIN_FUNCTION_NAME(INITIALIZE_BUILTIN_NAMES)
+        JSC_COMMON_PRIVATE_IDENTIFIERS_EACH_PROPERTY_NAME(INITIALIZE_BUILTIN_NAMES)
+        JSC_COMMON_PRIVATE_IDENTIFIERS_EACH_WELL_KNOWN_SYMBOL(INITIALIZE_BUILTIN_SYMBOLS)
+    {
+        JSC_FOREACH_BUILTIN_FUNCTION_NAME(INITIALIZE_PRIVATE_TO_PUBLIC_ENTRY)
+        JSC_COMMON_PRIVATE_IDENTIFIERS_EACH_PROPERTY_NAME(INITIALIZE_PRIVATE_TO_PUBLIC_ENTRY)
+        JSC_FOREACH_BUILTIN_FUNCTION_NAME(INITIALIZE_PUBLIC_TO_PRIVATE_ENTRY)
+        JSC_COMMON_PRIVATE_IDENTIFIERS_EACH_PROPERTY_NAME(INITIALIZE_PUBLIC_TO_PRIVATE_ENTRY)
+    }
+
+    bool isPrivateName(SymbolImpl& uid) const;
+    bool isPrivateName(UniquedStringImpl& uid) const;
+    bool isPrivateName(const Identifier&) const;
+    const Identifier* lookUpPrivateName(const Identifier&) const;
+    const Identifier& lookUpPublicName(const Identifier&) const;
+    
+    void appendExternalName(const Identifier& publicName, const Identifier& privateName);
+
+    JSC_FOREACH_BUILTIN_FUNCTION_NAME(DECLARE_BUILTIN_IDENTIFIER_ACCESSOR)
+    JSC_COMMON_PRIVATE_IDENTIFIERS_EACH_PROPERTY_NAME(DECLARE_BUILTIN_IDENTIFIER_ACCESSOR)
+    JSC_COMMON_PRIVATE_IDENTIFIERS_EACH_WELL_KNOWN_SYMBOL(DECLARE_BUILTIN_SYMBOL_ACCESSOR)
+
+private:
+    Identifier m_emptyIdentifier;
+    JSC_FOREACH_BUILTIN_FUNCTION_NAME(DECLARE_BUILTIN_NAMES)
+    JSC_COMMON_PRIVATE_IDENTIFIERS_EACH_PROPERTY_NAME(DECLARE_BUILTIN_NAMES)
+    JSC_COMMON_PRIVATE_IDENTIFIERS_EACH_WELL_KNOWN_SYMBOL(DECLARE_BUILTIN_SYMBOLS)
+    typedef HashMap<RefPtr<UniquedStringImpl>, const Identifier*, IdentifierRepHash> BuiltinNamesMap;
+    BuiltinNamesMap m_publicToPrivateMap;
+    BuiltinNamesMap m_privateToPublicMap;
+};
+
+inline bool BuiltinNames::isPrivateName(SymbolImpl& uid) const
+{
+    return m_privateToPublicMap.contains(&uid);
+}
+
+inline bool BuiltinNames::isPrivateName(UniquedStringImpl& uid) const
+{
+    if (!uid.isSymbol())
+        return false;
+    return m_privateToPublicMap.contains(&uid);
+}
+
+inline bool BuiltinNames::isPrivateName(const Identifier& ident) const
+{
+    if (ident.isNull())
+        return false;
+    return isPrivateName(*ident.impl());
+}
+
+inline const Identifier* BuiltinNames::lookUpPrivateName(const Identifier& ident) const
+{
+    auto iter = m_publicToPrivateMap.find(ident.impl());
+    if (iter != m_publicToPrivateMap.end())
+        return iter->value;
+    return 0;
+}
+
+inline const Identifier& BuiltinNames::lookUpPublicName(const Identifier& ident) const
+{
+    auto iter = m_privateToPublicMap.find(ident.impl());
+    if (iter != m_privateToPublicMap.end())
+        return *iter->value;
+    return m_emptyIdentifier;
+}
+
+inline void BuiltinNames::appendExternalName(const Identifier& publicName, const Identifier& privateName)
+{
+#ifndef NDEBUG
+    for (const auto& key : m_publicToPrivateMap.keys())
+        ASSERT(publicName.string() != *key);
+#endif
+
+    m_privateToPublicMap.add(privateName.impl(), &publicName);
+    m_publicToPrivateMap.add(publicName.impl(), &privateName);
+}
+
+}
+
+#endif