webkitgtk-2.4.11webkitgtk-2.4.11

1 files changed, 0 insertions, 221 deletions

diff --git a/Source/JavaScriptCore/runtime/JSModuleRecord.h b/Source/JavaScriptCore/runtime/JSModuleRecord.h
deleted file mode 100644
index b82a9e1d5..000000000
--- a/Source/JavaScriptCore/runtime/JSModuleRecord.h
+++ /dev/null
@@ -1,221 +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 JSModuleRecord_h
-#define JSModuleRecord_h
-
-#include "Identifier.h"
-#include "JSDestructibleObject.h"
-#include "SourceCode.h"
-#include "VariableEnvironment.h"
-#include <wtf/HashMap.h>
-#include <wtf/ListHashSet.h>
-#include <wtf/Optional.h>
-
-namespace JSC {
-
-class JSModuleNamespaceObject;
-class JSModuleEnvironment;
-class JSMap;
-class ModuleProgramExecutable;
-
-// Based on the Source Text Module Record
-// http://www.ecma-international.org/ecma-262/6.0/#sec-source-text-module-records
-class JSModuleRecord : public JSDestructibleObject {
-    friend class LLIntOffsetsExtractor;
-public:
-    typedef JSDestructibleObject Base;
-
-    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>>> ImportEntries;
-    typedef HashMap<RefPtr<UniquedStringImpl>, ExportEntry, IdentifierRepHash, HashTraits<RefPtr<UniquedStringImpl>>> ExportEntries;
-
-    DECLARE_EXPORT_INFO;
-
-    static Structure* createStructure(VM& vm, JSGlobalObject* globalObject, JSValue prototype)
-    {
-        return Structure::create(vm, globalObject, prototype, TypeInfo(ObjectType, StructureFlags), info());
-    }
-
-    static JSModuleRecord* create(VM& vm, Structure* structure, const Identifier& moduleKey, const SourceCode& sourceCode, const VariableEnvironment& declaredVariables, const VariableEnvironment& lexicalVariables)
-    {
-        JSModuleRecord* instance = new (NotNull, allocateCell<JSModuleRecord>(vm.heap)) JSModuleRecord(vm, structure, moduleKey, sourceCode, declaredVariables, lexicalVariables);
-        instance->finishCreation(vm);
-        return instance;
-    }
-
-    void appendRequestedModule(const Identifier&);
-    void addStarExportEntry(const Identifier&);
-    void addImportEntry(const ImportEntry&);
-    void addExportEntry(const ExportEntry&);
-
-    Optional<ImportEntry> tryGetImportEntry(UniquedStringImpl* localName);
-    Optional<ExportEntry> tryGetExportEntry(UniquedStringImpl* exportName);
-
-    const SourceCode& sourceCode() const { return m_sourceCode; }
-    const Identifier& moduleKey() const { return m_moduleKey; }
-    const OrderedIdentifierSet& requestedModules() const { return m_requestedModules; }
-    const ExportEntries& exportEntries() const { return m_exportEntries; }
-    const ImportEntries& importEntries() const { return m_importEntries; }
-    const OrderedIdentifierSet& starExportEntries() const { return m_starExportEntries; }
-
-    const VariableEnvironment& declaredVariables() const { return m_declaredVariables; }
-    const VariableEnvironment& lexicalVariables() const { return m_lexicalVariables; }
-
-    void dump();
-
-    JSModuleEnvironment* moduleEnvironment()
-    {
-        ASSERT(m_moduleEnvironment);
-        return m_moduleEnvironment.get();
-    }
-
-    void link(ExecState*);
-    JS_EXPORT_PRIVATE JSValue evaluate(ExecState*);
-
-    ModuleProgramExecutable* moduleProgramExecutable() const { return m_moduleProgramExecutable.get(); }
-
-    struct Resolution {
-        enum class Type { Resolved, NotFound, Ambiguous, Error };
-
-        static Resolution notFound();
-        static Resolution error();
-        static Resolution ambiguous();
-
-        Type type;
-        JSModuleRecord* moduleRecord;
-        Identifier localName;
-    };
-
-    Resolution resolveExport(ExecState*, const Identifier& exportName);
-    Resolution resolveImport(ExecState*, const Identifier& localName);
-
-    JSModuleRecord* hostResolveImportedModule(ExecState*, const Identifier& moduleName);
-
-private:
-    JSModuleRecord(VM& vm, Structure* structure, const Identifier& moduleKey, const SourceCode& sourceCode, const VariableEnvironment& declaredVariables, const VariableEnvironment& lexicalVariables)
-        : Base(vm, structure)
-        , m_moduleKey(moduleKey)
-        , m_sourceCode(sourceCode)
-        , m_declaredVariables(declaredVariables)
-        , m_lexicalVariables(lexicalVariables)
-    {
-    }
-
-    void finishCreation(VM&);
-
-    JSModuleNamespaceObject* getModuleNamespace(ExecState*);
-
-    static void visitChildren(JSCell*, SlotVisitor&);
-    static void destroy(JSCell*);
-
-    void instantiateDeclarations(ExecState*, ModuleProgramExecutable*);
-
-    struct ResolveQuery;
-    static Resolution resolveExportImpl(ExecState*, const ResolveQuery&);
-    Optional<Resolution> tryGetCachedResolution(UniquedStringImpl* exportName);
-    void cacheResolution(UniquedStringImpl* exportName, const Resolution&);
-
-    // The loader resolves the given module name to the module key. The module key is the unique value to represent this module.
-    Identifier m_moduleKey;
-
-    SourceCode m_sourceCode;
-
-    VariableEnvironment m_declaredVariables;
-    VariableEnvironment m_lexicalVariables;
-
-    // Currently, we don't keep the occurrence order of the import / export entries.
-    // So, we does not guarantee the order of the errors.
-    // e.g. The import declaration that occurr later than the another import declaration may
-    //      throw the error even if the former import declaration also has the invalid content.
-    //
-    //      import ... // (1) this has some invalid content.
-    //      import ... // (2) this also has some invalid content.
-    //
-    //      In the above case, (2) may throw the error earlier than (1)
-    //
-    // But, in all the cases, we will throw the syntax error. So except for the content of the syntax error,
-    // there are no difference.
-
-    // Map localName -> ImportEntry.
-    ImportEntries m_importEntries;
-
-    // Map exportName -> ExportEntry.
-    ExportEntries m_exportEntries;
-
-    // Save the occurrence order since resolveExport requires it.
-    OrderedIdentifierSet 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;
-
-    WriteBarrier<JSMap> m_dependenciesMap;
-
-    WriteBarrier<ModuleProgramExecutable> m_moduleProgramExecutable;
-    WriteBarrier<JSModuleEnvironment> m_moduleEnvironment;
-    WriteBarrier<JSModuleNamespaceObject> m_moduleNamespaceObject;
-
-    // We assume that all the JSModuleRecord are retained by ModuleLoaderObject's registry.
-    // So here, we don't visit each object for GC. The resolution cache map caches the once
-    // looked up correctly resolved resolution, since (1) we rarely looked up the non-resolved one,
-    // and (2) if we cache all the attempts the size of the map becomes infinitely large.
-    typedef HashMap<RefPtr<UniquedStringImpl>, Resolution, IdentifierRepHash, HashTraits<RefPtr<UniquedStringImpl>>> Resolutions;
-    Resolutions m_resolutionCache;
-};
-
-} // namespace JSC
-
-#endif // JSModuleRecord_h