зеркало из https://github.com/mozilla/gecko-dev.git
Backed out changeset 61de331861af (bug 558058).
This commit is contained in:
Родитель
5c4f856ea3
Коммит
c6710852fc
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@ -155,8 +155,6 @@ JSThreadData::mark(JSTracer *trc)
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void
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void
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JSThreadData::purge(JSContext *cx)
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JSThreadData::purge(JSContext *cx)
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{
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{
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cachedIteratorObject = NULL;
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purgeGCFreeLists();
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purgeGCFreeLists();
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js_PurgeGSNCache(&gsnCache);
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js_PurgeGSNCache(&gsnCache);
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@ -567,12 +567,6 @@ struct JSThreadData {
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jsuword nativeEnumCache[NATIVE_ENUM_CACHE_SIZE];
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jsuword nativeEnumCache[NATIVE_ENUM_CACHE_SIZE];
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/*
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* One-entry deep cache of iterator objects. We deposit here the last
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* iterator that was freed in JSOP_ENDITER.
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*/
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JSObject *cachedIteratorObject;
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bool init();
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bool init();
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void finish();
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void finish();
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void mark(JSTracer *trc);
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void mark(JSTracer *trc);
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@ -391,19 +391,16 @@ js_ValueToIterator(JSContext *cx, uintN flags, jsval *vp)
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if (JSVAL_IS_VOID(*vp)) {
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if (JSVAL_IS_VOID(*vp)) {
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default_iter:
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default_iter:
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/*
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/*
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* Fail over to the default enumerating native iterator. These objects
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* Fail over to the default enumerating native iterator.
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* never escape, so we don't care for the proper parent or proto to
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*
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* be set. Furthermore we re-use the last cached iterator object, if
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* Create iterobj with a NULL parent to ensure that we use the
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* possible.
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* correct scope chain to lookup the iterator's constructor. Since
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* we use the parent slot to keep track of the iterable, we must
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* fix it up after.
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*/
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*/
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iterobj = JS_THREAD_DATA(cx)->cachedIteratorObject;
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iterobj = js_NewObject(cx, &js_IteratorClass, NULL, NULL);
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if (iterobj) {
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if (!iterobj)
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JS_THREAD_DATA(cx)->cachedIteratorObject = NULL;
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return false;
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} else {
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iterobj = js_NewObjectWithGivenProto(cx, &js_IteratorClass, NULL, NULL);
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if (!iterobj)
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return false;
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}
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/* Store in *vp to protect it from GC (callers must root vp). */
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/* Store in *vp to protect it from GC (callers must root vp). */
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*vp = OBJECT_TO_JSVAL(iterobj);
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*vp = OBJECT_TO_JSVAL(iterobj);
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@ -437,7 +434,6 @@ js_CloseIterator(JSContext *cx, jsval v)
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if (clasp == &js_IteratorClass) {
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if (clasp == &js_IteratorClass) {
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js_CloseNativeIterator(cx, obj);
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js_CloseNativeIterator(cx, obj);
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JS_THREAD_DATA(cx)->cachedIteratorObject = obj;
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}
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}
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#if JS_HAS_GENERATORS
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#if JS_HAS_GENERATORS
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else if (clasp == &js_GeneratorClass) {
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else if (clasp == &js_GeneratorClass) {
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