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Diffstat (limited to 'Source/JavaScriptCore/parser/ModuleRecord.h')
-rw-r--r-- | Source/JavaScriptCore/parser/ModuleRecord.h | 128 |
1 files changed, 0 insertions, 128 deletions
diff --git a/Source/JavaScriptCore/parser/ModuleRecord.h b/Source/JavaScriptCore/parser/ModuleRecord.h deleted file mode 100644 index ef081c03b..000000000 --- a/Source/JavaScriptCore/parser/ModuleRecord.h +++ /dev/null @@ -1,128 +0,0 @@ -/* - * Copyright (C) 2015 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 ModuleRecord_h -#define ModuleRecord_h - -#include "Nodes.h" -#include <wtf/HashMap.h> -#include <wtf/ListHashSet.h> - -namespace JSC { - -// Based on the Source Text Module Record -// http://www.ecma-international.org/ecma-262/6.0/#sec-source-text-module-records -class ModuleRecord : public RefCounted<ModuleRecord> { -public: - struct ExportEntry { - enum class Type { - Local, - Namespace, - Indirect - }; - - static ExportEntry createLocal(const Identifier& exportName, const Identifier& localName, const VariableEnvironmentEntry&); - static ExportEntry createNamespace(const Identifier& exportName, const Identifier& moduleName); - static ExportEntry createIndirect(const Identifier& exportName, const Identifier& importName, const Identifier& moduleName); - - Type type; - Identifier exportName; - Identifier moduleName; - Identifier importName; - Identifier localName; - VariableEnvironmentEntry variable; - }; - - struct ImportEntry { - Identifier moduleRequest; - Identifier importName; - Identifier localName; - - bool isNamespace(VM& vm) const - { - return importName == vm.propertyNames->timesIdentifier; - } - }; - - typedef WTF::ListHashSet<RefPtr<UniquedStringImpl>, IdentifierRepHash> OrderedIdentifierSet; - typedef HashMap<RefPtr<UniquedStringImpl>, ImportEntry, IdentifierRepHash, HashTraits<RefPtr<UniquedStringImpl>>> ImportMap; - typedef HashMap<RefPtr<UniquedStringImpl>, ExportEntry, IdentifierRepHash, HashTraits<RefPtr<UniquedStringImpl>>> ExportMap; - - static Ref<ModuleRecord> create() - { - return adoptRef(*new ModuleRecord); - } - - void appendRequestedModule(const Identifier&); - void addStarExportEntry(const Identifier&); - void addImportEntry(const ImportEntry&); - void addExportEntry(const ExportEntry&); - - const ImportEntry& lookUpImportEntry(const RefPtr<UniquedStringImpl>& localName); - - void dump(); - -private: - // Map localName -> ImportEntry. - ImportMap m_importEntries; - - // Map exportName -> ExportEntry. - ExportMap m_exportEntries; - - IdentifierSet m_starExportEntries; - - // Save the occurrence order since the module loader loads and runs the modules in this order. - // http://www.ecma-international.org/ecma-262/6.0/#sec-moduleevaluation - OrderedIdentifierSet m_requestedModules; -}; - -inline void ModuleRecord::appendRequestedModule(const Identifier& moduleName) -{ - m_requestedModules.add(moduleName.impl()); -} - -inline void ModuleRecord::addImportEntry(const ImportEntry& entry) -{ - m_importEntries.add(entry.localName.impl(), entry); -} - -inline void ModuleRecord::addExportEntry(const ExportEntry& entry) -{ - m_exportEntries.add(entry.exportName.impl(), entry); -} - -inline void ModuleRecord::addStarExportEntry(const Identifier& moduleName) -{ - m_starExportEntries.add(moduleName.impl()); -} - -inline auto ModuleRecord::lookUpImportEntry(const RefPtr<UniquedStringImpl>& localName) -> const ImportEntry& -{ - return (*m_importEntries.find(localName)).value; -} - -} // namespace JSC - -#endif // ModuleRecord_h |