From 1bf1084f2b10c3b47fd1a588d85d21ed0eb41d0c Mon Sep 17 00:00:00 2001 From: Lorry Tar Creator Date: Tue, 27 Jun 2017 06:07:23 +0000 Subject: webkitgtk-2.16.5 --- Source/JavaScriptCore/parser/ModuleScopeData.h | 66 ++++++++++++++++++++++++++ 1 file changed, 66 insertions(+) create mode 100644 Source/JavaScriptCore/parser/ModuleScopeData.h (limited to 'Source/JavaScriptCore/parser/ModuleScopeData.h') diff --git a/Source/JavaScriptCore/parser/ModuleScopeData.h b/Source/JavaScriptCore/parser/ModuleScopeData.h new file mode 100644 index 000000000..2a1eca264 --- /dev/null +++ b/Source/JavaScriptCore/parser/ModuleScopeData.h @@ -0,0 +1,66 @@ +/* + * Copyright (C) 2015 Apple Inc. All rights reserved. + * Copyright (C) 2016 Yusuke Suzuki + * + * 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. + */ + +#pragma once + +#include "Identifier.h" +#include + +namespace JSC { + +class ModuleScopeData : public RefCounted { +WTF_MAKE_NONCOPYABLE(ModuleScopeData); +WTF_MAKE_FAST_ALLOCATED; +public: + typedef HashMap, Vector>, IdentifierRepHash, HashTraits>> IdentifierAliasMap; + + static Ref create() { return adoptRef(*new ModuleScopeData); } + + const IdentifierAliasMap& exportedBindings() const { return m_exportedBindings; } + + bool exportName(const Identifier& exportedName) + { + return m_exportedNames.add(exportedName.impl()).isNewEntry; + } + + void exportBinding(const Identifier& localName, const Identifier& exportedName) + { + m_exportedBindings.add(localName.impl(), Vector>()).iterator->value.append(exportedName.impl()); + } + + void exportBinding(const Identifier& localName) + { + exportBinding(localName, localName); + } + +private: + ModuleScopeData() = default; + + IdentifierSet m_exportedNames { }; + IdentifierAliasMap m_exportedBindings { }; +}; + +} // namespace -- cgit v1.2.1