JavaScriptCore-621.1.tar.gz

[apple/javascriptcore.git] / runtime / ArgList.cpp

diff --git a/runtime/ArgList.cpp b/runtime/ArgList.cpp
index 5ead73360fe9c782d5f7b43a4c43e2bd8d16f048..ab2b5d7dae7143c5166aa943cb8abce37e4ba67e 100644 (file)
--- a/runtime/ArgList.cpp
+++ b/runtime/ArgList.cpp
@@ -1,5 +1,5 @@
 /*
- *  Copyright (C) 2003, 2004, 2005, 2006, 2007 Apple Inc. All rights reserved.
+ *  Copyright (C) 2003, 2004, 2005, 2006, 2007, 2009 Apple Inc. All rights reserved.
  *
  *  This library is free software; you can redistribute it and/or
  *  modify it under the terms of the GNU Library General Public
@@ -30,28 +30,23 @@ namespace JSC {
 
 void ArgList::getSlice(int startIndex, ArgList& result) const
 {
-    ASSERT(!result.m_isReadOnly);
-
-    const_iterator start = min(begin() + startIndex, end());
-    result.m_vector.appendRange(start, end());
-    result.m_size = result.m_vector.size();
-    result.m_buffer = result.m_vector.data();
+    if (startIndex <= 0 || static_cast<unsigned>(startIndex) >= m_argCount) {
+        result = ArgList(m_args, 0);
+        return;
+    }
+    result = ArgList(m_args + startIndex, m_argCount - startIndex);
 }
 
-void ArgList::markLists(ListSet& markSet)
+void MarkedArgumentBuffer::markLists(MarkStack& markStack, ListSet& markSet)
 {
     ListSet::iterator end = markSet.end();
     for (ListSet::iterator it = markSet.begin(); it != end; ++it) {
-        ArgList* list = *it;
-
-        iterator end2 = list->end();
-        for (iterator it2 = list->begin(); it2 != end2; ++it2)
-            if (!(*it2).marked())
-                (*it2).mark();
+        MarkedArgumentBuffer* list = *it;
+        markStack.appendValues(reinterpret_cast<JSValue*>(list->m_buffer), list->m_size);
     }
 }
 
-void ArgList::slowAppend(JSValuePtr v)
+void MarkedArgumentBuffer::slowAppend(JSValue v)
 {
     // As long as our size stays within our Vector's inline 
     // capacity, all our values are allocated on the stack, and