JavaScriptCore-7601.1.46.3.tar.gz

[apple/javascriptcore.git] / ftl / FTLExitTimeObjectMaterialization.h

diff --git a/ftl/FTLExitTimeObjectMaterialization.h b/ftl/FTLExitTimeObjectMaterialization.h
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+/*
+ * Copyright (C) 2014, 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 FTLExitTimeObjectMaterialization_h
+#define FTLExitTimeObjectMaterialization_h
+
+#if ENABLE(FTL_JIT)
+
+#include "DFGNodeType.h"
+#include "FTLExitPropertyValue.h"
+#include "FTLExitValue.h"
+#include <wtf/Noncopyable.h>
+
+namespace JSC {
+
+class TrackedReferences;
+
+namespace FTL {
+
+class ExitTimeObjectMaterialization {
+    WTF_MAKE_NONCOPYABLE(ExitTimeObjectMaterialization)
+public:
+    ExitTimeObjectMaterialization(DFG::NodeType, CodeOrigin);
+    ~ExitTimeObjectMaterialization();
+    
+    void add(DFG::PromotedLocationDescriptor, const ExitValue&);
+    
+    DFG::NodeType type() const { return m_type; }
+    CodeOrigin origin() const { return m_origin; }
+    
+    ExitValue get(DFG::PromotedLocationDescriptor) const;
+    const Vector<ExitPropertyValue>& properties() const { return m_properties; }
+    
+    void accountForLocalsOffset(int offset);
+    
+    void dump(PrintStream& out) const;
+    
+    void validateReferences(const TrackedReferences&) const;
+    
+private:
+    DFG::NodeType m_type;
+    CodeOrigin m_origin;
+    Vector<ExitPropertyValue> m_properties;
+};
+
+} } // namespace JSC::FTL
+
+#endif // ENABLE(FTL_JIT)
+
+#endif // FTLExitTimeObjectMaterialization_h
+