1 files changed, 53 insertions, 0 deletions
diff --git a/Source/JavaScriptCore/parser/SourceProviderCache.h b/Source/JavaScriptCore/parser/SourceProviderCache.h
new file mode 100644
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+++ b/Source/JavaScriptCore/parser/SourceProviderCache.h
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+/*
+ * Copyright (C) 2011 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. AND ITS CONTRIBUTORS ``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 ITS 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 SourceProviderCache_h
+#define SourceProviderCache_h
+
+#include <wtf/HashMap.h>
+#include <wtf/PassOwnPtr.h>
+
+namespace JSC {
+
+class SourceProviderCacheItem;
+
+class SourceProviderCache {
+public:
+    SourceProviderCache() : m_contentByteSize(0) {}
+    JS_EXPORT_PRIVATE ~SourceProviderCache();
+
+    JS_EXPORT_PRIVATE void clear();
+    JS_EXPORT_PRIVATE unsigned byteSize() const;
+    void add(int sourcePosition, PassOwnPtr<SourceProviderCacheItem>, unsigned size);
+    const SourceProviderCacheItem* get(int sourcePosition) const { return m_map.get(sourcePosition); }
+
+private:
+    HashMap<int, SourceProviderCacheItem*> m_map;
+    unsigned m_contentByteSize;
+};
+
+}
+
+#endif // SourceProviderCache_h