1 files changed, 6 insertions, 19 deletions

diff --git a/Source/JavaScriptCore/dfg/DFGValueSource.h b/Source/JavaScriptCore/dfg/DFGValueSource.h
index 1e56f654f..6aa75a44b 100644
--- a/Source/JavaScriptCore/dfg/DFGValueSource.h
+++ b/Source/JavaScriptCore/dfg/DFGValueSource.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2011, 2013 Apple Inc. All rights reserved.
+ * Copyright (C) 2011, 2013-2015 Apple Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
@@ -23,10 +23,7 @@
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 
  */
 
-#ifndef DFGValueSource_h
-#define DFGValueSource_h
-
-#include <wtf/Platform.h>
+#pragma once
 
 #if ENABLE(DFG_JIT)
 
@@ -47,7 +44,6 @@ enum ValueSourceKind {
     CellInJSStack,
     BooleanInJSStack,
     DoubleInJSStack,
-    ArgumentsSource,
     SourceIsDead,
     HaveNode
 };
@@ -67,8 +63,6 @@ static inline ValueSourceKind dataFormatToValueSourceKind(DataFormat dataFormat)
         return CellInJSStack;
     case DataFormatDead:
         return SourceIsDead;
-    case DataFormatArguments:
-        return ArgumentsSource;
     default:
         RELEASE_ASSERT(dataFormat & DataFormatJS);
         return ValueInJSStack;
@@ -90,8 +84,6 @@ static inline DataFormat valueSourceKindToDataFormat(ValueSourceKind kind)
         return DataFormatBoolean;
     case DoubleInJSStack:
         return DataFormatDouble;
-    case ArgumentsSource:
-        return DataFormatArguments;
     case SourceIsDead:
         return DataFormatDead;
     default:
@@ -122,7 +114,7 @@ public:
     explicit ValueSource(ValueSourceKind valueSourceKind)
         : m_kind(valueSourceKind)
     {
-        ASSERT(kind() == ArgumentsSource || kind() == SourceIsDead || kind() == ArgumentsSource);
+        ASSERT(kind() == SourceIsDead);
     }
     
     explicit ValueSource(MinifiedID id)
@@ -159,8 +151,6 @@ public:
             return ValueSource(CellInJSStack, where);
         case FlushedBoolean:
             return ValueSource(BooleanInJSStack, where);
-        case FlushedArguments:
-            return ValueSource(ArgumentsSource);
         }
         RELEASE_ASSERT_NOT_REACHED();
         return ValueSource();
@@ -176,6 +166,8 @@ public:
         return kind() != SourceNotSet;
     }
     
+    bool operator!() const { return !isSet(); }
+    
     ValueSourceKind kind() const
     {
         return m_kind;
@@ -196,9 +188,6 @@ public:
         case SourceIsDead:
             return ValueRecovery::constant(jsUndefined());
             
-        case ArgumentsSource:
-            return ValueRecovery::argumentsThatWereNotCreated();
-            
         default:
             return ValueRecovery::displacedInJSStack(virtualRegister(), dataFormat());
         }
@@ -217,6 +206,7 @@ public:
     }
     
     void dump(PrintStream&) const;
+    void dumpInContext(PrintStream&, DumpContext*) const;
     
 private:
     ValueSourceKind m_kind;
@@ -226,6 +216,3 @@ private:
 } } // namespace JSC::DFG
 
 #endif // ENABLE(DFG_JIT)
-
-#endif // DFGValueSource_h
-