From a4975e4ccc1c32f49792795e9031829c7cbf70ff Mon Sep 17 00:00:00 2001
From: Nicholas Nethercote <nnethercote@mozilla.com>
Date: Mon, 4 Jun 2012 23:08:10 -0700
Subject: [PATCH] Bug 761504 - Remove FunctionBoxQueue.  r=luke.

--HG--
extra : rebase_source : a29c928103bac3a22897ace27b7b47a1350adf4d
---
 js/src/frontend/ParseNode.h | 38 -------------------------------------
 js/src/frontend/Parser.cpp  |  1 -
 2 files changed, 39 deletions(-)

diff --git a/js/src/frontend/ParseNode.h b/js/src/frontend/ParseNode.h
index e48010d1f0d3..efb3e5c496c0 100644
--- a/js/src/frontend/ParseNode.h
+++ b/js/src/frontend/ParseNode.h
@@ -1512,7 +1512,6 @@ struct FunctionBox : public ObjectBox
     Bindings        bindings;               /* bindings for this function */
     uint32_t        level:JSFB_LEVEL_BITS;
     uint16_t        ndefaults;
-    bool            queued:1;
     bool            inLoop:1;               /* in a loop in parent function */
     bool            inWith:1;               /* some enclosing scope is a with-statement
                                                or E4X filter-expression */
@@ -1537,43 +1536,6 @@ struct FunctionBox : public ObjectBox
     bool inAnyDynamicScope() const;
 };
 
-struct FunctionBoxQueue {
-    FunctionBox         **vector;
-    size_t              head, tail;
-    size_t              lengthMask;
-
-    size_t count()  { return head - tail; }
-    size_t length() { return lengthMask + 1; }
-
-    FunctionBoxQueue()
-      : vector(NULL), head(0), tail(0), lengthMask(0) { }
-
-    bool init(uint32_t count) {
-        lengthMask = JS_BITMASK(JS_CEILING_LOG2W(count));
-        vector = (FunctionBox **) OffTheBooks::malloc_(sizeof(FunctionBox) * length());
-        return !!vector;
-    }
-
-    ~FunctionBoxQueue() { UnwantedForeground::free_(vector); }
-
-    void push(FunctionBox *funbox) {
-        if (!funbox->queued) {
-            JS_ASSERT(count() < length());
-            vector[head++ & lengthMask] = funbox;
-            funbox->queued = true;
-        }
-    }
-
-    FunctionBox *pull() {
-        if (tail == head)
-            return NULL;
-        JS_ASSERT(tail < head);
-        FunctionBox *funbox = vector[tail++ & lengthMask];
-        funbox->queued = false;
-        return funbox;
-    }
-};
-
 } /* namespace js */
 
 #endif /* ParseNode_h__ */
diff --git a/js/src/frontend/Parser.cpp b/js/src/frontend/Parser.cpp
index 31d132758ec9..21b5f99886b8 100644
--- a/js/src/frontend/Parser.cpp
+++ b/js/src/frontend/Parser.cpp
@@ -179,7 +179,6 @@ FunctionBox::FunctionBox(ObjectBox* traceListHead, JSObject *obj, ParseNode *fn,
     bindings(tc->sc->context),
     level(tc->sc->staticLevel),
     ndefaults(0),
-    queued(false),
     inLoop(false),
     inWith(!!tc->innermostWith),
     inGenexpLambda(false),