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diff --git a/tools/node_modules/expresso/deps/jscoverage/js/jsclist.h b/tools/node_modules/expresso/deps/jscoverage/js/jsclist.h
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+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* ***** BEGIN LICENSE BLOCK *****
+ * Version: MPL 1.1/GPL 2.0/LGPL 2.1
+ *
+ * The contents of this file are subject to the Mozilla Public License Version
+ * 1.1 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ * http://www.mozilla.org/MPL/
+ *
+ * Software distributed under the License is distributed on an "AS IS" basis,
+ * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
+ * for the specific language governing rights and limitations under the
+ * License.
+ *
+ * The Original Code is Mozilla Communicator client code, released
+ * March 31, 1998.
+ *
+ * The Initial Developer of the Original Code is
+ * Netscape Communications Corporation.
+ * Portions created by the Initial Developer are Copyright (C) 1998
+ * the Initial Developer. All Rights Reserved.
+ *
+ * Contributor(s):
+ *
+ * Alternatively, the contents of this file may be used under the terms of
+ * either of the GNU General Public License Version 2 or later (the "GPL"),
+ * or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
+ * in which case the provisions of the GPL or the LGPL are applicable instead
+ * of those above. If you wish to allow use of your version of this file only
+ * under the terms of either the GPL or the LGPL, and not to allow others to
+ * use your version of this file under the terms of the MPL, indicate your
+ * decision by deleting the provisions above and replace them with the notice
+ * and other provisions required by the GPL or the LGPL. If you do not delete
+ * the provisions above, a recipient may use your version of this file under
+ * the terms of any one of the MPL, the GPL or the LGPL.
+ *
+ * ***** END LICENSE BLOCK ***** */
+
+#ifndef jsclist_h___
+#define jsclist_h___
+
+#include "jstypes.h"
+
+/*
+** Circular linked list
+*/
+typedef struct JSCListStr {
+    struct JSCListStr *next;
+    struct JSCListStr *prev;
+} JSCList;
+
+/*
+** Insert element "_e" into the list, before "_l".
+*/
+#define JS_INSERT_BEFORE(_e,_l)  \
+    JS_BEGIN_MACRO               \
+        (_e)->next = (_l);       \
+        (_e)->prev = (_l)->prev; \
+        (_l)->prev->next = (_e); \
+        (_l)->prev = (_e);       \
+    JS_END_MACRO
+
+/*
+** Insert element "_e" into the list, after "_l".
+*/
+#define JS_INSERT_AFTER(_e,_l)   \
+    JS_BEGIN_MACRO               \
+        (_e)->next = (_l)->next; \
+        (_e)->prev = (_l);       \
+        (_l)->next->prev = (_e); \
+        (_l)->next = (_e);       \
+    JS_END_MACRO
+
+/*
+** Return the element following element "_e"
+*/
+#define JS_NEXT_LINK(_e)         \
+        ((_e)->next)
+/*
+** Return the element preceding element "_e"
+*/
+#define JS_PREV_LINK(_e)         \
+        ((_e)->prev)
+
+/*
+** Append an element "_e" to the end of the list "_l"
+*/
+#define JS_APPEND_LINK(_e,_l) JS_INSERT_BEFORE(_e,_l)
+
+/*
+** Insert an element "_e" at the head of the list "_l"
+*/
+#define JS_INSERT_LINK(_e,_l) JS_INSERT_AFTER(_e,_l)
+
+/* Return the head/tail of the list */
+#define JS_LIST_HEAD(_l) (_l)->next
+#define JS_LIST_TAIL(_l) (_l)->prev
+
+/*
+** Remove the element "_e" from it's circular list.
+*/
+#define JS_REMOVE_LINK(_e)             \
+    JS_BEGIN_MACRO                     \
+        (_e)->prev->next = (_e)->next; \
+        (_e)->next->prev = (_e)->prev; \
+    JS_END_MACRO
+
+/*
+** Remove the element "_e" from it's circular list. Also initializes the
+** linkage.
+*/
+#define JS_REMOVE_AND_INIT_LINK(_e)    \
+    JS_BEGIN_MACRO                     \
+        (_e)->prev->next = (_e)->next; \
+        (_e)->next->prev = (_e)->prev; \
+        (_e)->next = (_e);             \
+        (_e)->prev = (_e);             \
+    JS_END_MACRO
+
+/*
+** Return non-zero if the given circular list "_l" is empty, zero if the
+** circular list is not empty
+*/
+#define JS_CLIST_IS_EMPTY(_l) \
+    ((_l)->next == (_l))
+
+/*
+** Initialize a circular list
+*/
+#define JS_INIT_CLIST(_l)  \
+    JS_BEGIN_MACRO         \
+        (_l)->next = (_l); \
+        (_l)->prev = (_l); \
+    JS_END_MACRO
+
+#define JS_INIT_STATIC_CLIST(_l) \
+    {(_l), (_l)}
+
+#endif /* jsclist_h___ */