1 files changed, 95 insertions, 0 deletions
diff --git a/Source/JavaScriptCore/parser/ModuleRecord.cpp b/Source/JavaScriptCore/parser/ModuleRecord.cpp
new file mode 100644
index 000000000..ec973568b
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+++ b/Source/JavaScriptCore/parser/ModuleRecord.cpp
@@ -0,0 +1,95 @@
+/*
+ * 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. 
+ */
+
+#include "config.h"
+#include "ModuleRecord.h"
+
+#include "IdentifierInlines.h"
+
+namespace JSC {
+
+
+auto ModuleRecord::ExportEntry::createLocal(const Identifier& exportName, const Identifier& localName, const VariableEnvironmentEntry& variable) -> ExportEntry
+{
+    return ExportEntry { Type::Local, exportName, Identifier(), Identifier(), localName, variable };
+}
+
+auto ModuleRecord::ExportEntry::createNamespace(const Identifier& exportName, const Identifier& moduleName) -> ExportEntry
+{
+    return ExportEntry { Type::Namespace, exportName, moduleName, Identifier(), Identifier(), VariableEnvironmentEntry() };
+}
+
+auto ModuleRecord::ExportEntry::createIndirect(const Identifier& exportName, const Identifier& importName, const Identifier& moduleName) -> ExportEntry
+{
+    return ExportEntry { Type::Indirect, exportName, moduleName, importName, Identifier(), VariableEnvironmentEntry() };
+}
+
+static String printableName(const RefPtr<UniquedStringImpl>& uid)
+{
+    if (uid->isSymbol())
+        return uid.get();
+    return WTF::makeString("'", String(uid.get()), "'");
+}
+
+static String printableName(const Identifier& ident)
+{
+    return printableName(ident.impl());
+}
+
+
+void ModuleRecord::dump()
+{
+    dataLog("\nAnalyzing ModuleRecord\n");
+
+    dataLog("    Dependencies: ", m_requestedModules.size(), " modules\n");
+    for (const auto& moduleName : m_requestedModules)
+        dataLog("      module(", printableName(moduleName), ")\n");
+
+    dataLog("    Import: ", m_importEntries.size(), " entries\n");
+    for (const auto& pair : m_importEntries)
+        dataLog("      import(", printableName(pair.value.importName), "), local(", printableName(pair.value.localName), "), module(", printableName(pair.value.moduleRequest), ")\n");
+
+    dataLog("    Export: ", m_exportEntries.size(), " entries\n");
+    for (const auto& pair : m_exportEntries) {
+        const ExportEntry& entry = pair.value;
+        switch (entry.type) {
+        case ExportEntry::Type::Local:
+            dataLog("      [Local] ", "export(", printableName(entry.exportName), "), local(", printableName(entry.localName), ")\n");
+            break;
+
+        case ExportEntry::Type::Namespace:
+            dataLog("      [Namespace] ", "export(", printableName(entry.exportName), "), module(", printableName(entry.moduleName), ")\n");
+            break;
+
+        case ExportEntry::Type::Indirect:
+            dataLog("      [Indirect] ", "export(", printableName(entry.exportName), "), import(", printableName(entry.importName), "), module(", printableName(entry.moduleName), ")\n");
+            break;
+        }
+    }
+    for (const auto& moduleName : m_starExportEntries)
+        dataLog("      [Star] module(", printableName(moduleName.get()), ")\n");
+}
+
+} // namespace JSC