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diff --git a/src/3rdparty/javascriptcore/JavaScriptCore/parser/SourceCode.h b/src/3rdparty/javascriptcore/JavaScriptCore/parser/SourceCode.h
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+++ b/src/3rdparty/javascriptcore/JavaScriptCore/parser/SourceCode.h
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+/*
+ * Copyright (C) 2008 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.
+ * 3.  Neither the name of Apple Computer, Inc. ("Apple") nor the names of
+ *     its contributors may be used to endorse or promote products derived
+ *     from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY APPLE 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 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 SourceCode_h
+#define SourceCode_h
+
+#include "SourceProvider.h"
+#include <wtf/RefPtr.h>
+
+namespace JSC {
+
+    class SourceCode {
+    public:
+        SourceCode()
+            : m_startChar(0)
+            , m_endChar(0)
+            , m_firstLine(0)
+        {
+        }
+
+        SourceCode(PassRefPtr<SourceProvider> provider, int firstLine = 1)
+            : m_provider(provider)
+            , m_startChar(0)
+            , m_endChar(m_provider->length())
+#ifdef QT_BUILD_SCRIPT_LIB
+            , m_firstLine(firstLine)
+#else
+            , m_firstLine(std::max(firstLine, 1))
+#endif
+        {
+        }
+
+        SourceCode(PassRefPtr<SourceProvider> provider, int start, int end, int firstLine)
+            : m_provider(provider)
+            , m_startChar(start)
+            , m_endChar(end)
+#ifdef QT_BUILD_SCRIPT_LIB
+            , m_firstLine(firstLine)
+#else
+            , m_firstLine(std::max(firstLine, 1))
+#endif
+        {
+        }
+
+        UString toString() const
+        {
+            if (!m_provider)
+                return UString();
+            return m_provider->getRange(m_startChar, m_endChar);
+        }
+        
+        bool isNull() const { return !m_provider; }
+        SourceProvider* provider() const { return m_provider.get(); }
+        int firstLine() const { return m_firstLine; }
+        int startOffset() const { return m_startChar; }
+        int endOffset() const { return m_endChar; }
+        const UChar* data() const { return m_provider->data() + m_startChar; }
+        int length() const { return m_endChar - m_startChar; }
+
+    private:
+        RefPtr<SourceProvider> m_provider;
+        int m_startChar;
+        int m_endChar;
+        int m_firstLine;
+    };
+
+    inline SourceCode makeSource(const UString& source, const UString& url = UString(), int firstLine = 1)
+    {
+        return SourceCode(UStringSourceProvider::create(source, url), firstLine);
+    }
+
+} // namespace JSC
+
+#endif // SourceCode_h