1 files changed, 81 insertions, 0 deletions
diff --git a/Source/JavaScriptCore/dfg/DFGNode.cpp b/Source/JavaScriptCore/dfg/DFGNode.cpp
new file mode 100644
index 000000000..c53817ba9
--- /dev/null
+++ b/Source/JavaScriptCore/dfg/DFGNode.cpp
@@ -0,0 +1,81 @@
+/*
+ * Copyright (C) 2012 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 "DFGNode.h"
+
+#if ENABLE(DFG_JIT)
+
+namespace JSC { namespace DFG {
+
+const char* arithNodeFlagsAsString(NodeFlags flags)
+{
+    flags &= NodeArithMask;
+    
+    if (!flags)
+        return "<empty>";
+
+    static const int size = 64;
+    static char description[size];
+    BoundsCheckedPointer<char> ptr(description, size);
+    
+    bool hasPrinted = false;
+    
+    if (flags & NodeUsedAsNumber) {
+        ptr.strcat("UsedAsNum");
+        hasPrinted = true;
+    }
+    
+    if (flags & NodeNeedsNegZero) {
+        if (hasPrinted)
+            ptr.strcat("|");
+        ptr.strcat("NeedsNegZero");
+        hasPrinted = true;
+    }
+    
+    if (flags & NodeMayOverflow) {
+        if (hasPrinted)
+            ptr.strcat("|");
+        ptr.strcat("MayOverflow");
+        hasPrinted = true;
+    }
+    
+    if (flags & NodeMayNegZero) {
+        if (hasPrinted)
+            ptr.strcat("|");
+        ptr.strcat("MayNegZero");
+        hasPrinted = true;
+    }
+    
+    *ptr++ = 0;
+    
+    return description;
+}
+
+
+} } // namespace JSC::DFG
+
+#endif // ENABLE(DFG_JIT)
+