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Bug 699565 - Part 2 - for-of loops on arrays. r=bhackett.

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This commit is contained in:
Jason Orendorff
2012-02-07 12:57:16 -06:00
parent 9b97a3a1af
commit 774282f9ae
31 changed files with 510 additions and 18 deletions
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38
js/src/jsarray.cpp
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@@ -679,6 +679,13 @@ array_length_setter(JSContext *cx, JSObject *obj, jsid id, JSBool strict, Value
return true;
}
static JSObject *
array_iterator(JSContext *cx, JSObject *obj, JSBool keysonly)
{
JS_ASSERT(!keysonly);
return ElementIteratorObject::create(cx, obj);
}
/* Returns true if the dense array has an own property at the index. */
static inline bool
IsDenseArrayIndex(JSObject *obj, uint32_t index)
@@ -1215,7 +1222,7 @@ array_fix(JSContext *cx, JSObject *obj, bool *success, AutoIdVector *props)
Class js::ArrayClass = {
"Array",
Class::NON_NATIVE | JSCLASS_HAS_CACHED_PROTO(JSProto_Array),
Class::NON_NATIVE | JSCLASS_HAS_CACHED_PROTO(JSProto_Array) | JSCLASS_FOR_OF_ITERATION,
JS_PropertyStub, /* addProperty */
JS_PropertyStub, /* delProperty */
JS_PropertyStub, /* getProperty */
@@ -1231,7 +1238,14 @@ Class js::ArrayClass = {
NULL, /* xdrObject */
NULL, /* hasInstance */
array_trace, /* trace */
JS_NULL_CLASS_EXT,
{
NULL, /* equality */
NULL, /* outerObject */
NULL, /* innerObject */
array_iterator,
NULL, /* unused */
false, /* isWrappedNative */
},
{
array_lookupGeneric,
array_lookupProperty,
@@ -1272,14 +1286,30 @@ Class js::ArrayClass = {
Class js::SlowArrayClass = {
"Array",
JSCLASS_HAS_CACHED_PROTO(JSProto_Array),
JSCLASS_HAS_CACHED_PROTO(JSProto_Array) | JSCLASS_FOR_OF_ITERATION,
slowarray_addProperty,
JS_PropertyStub, /* delProperty */
JS_PropertyStub, /* getProperty */
JS_StrictPropertyStub, /* setProperty */
JS_EnumerateStub,
JS_ResolveStub,
JS_ConvertStub
JS_ConvertStub,
NULL,
NULL, /* reserved0 */
NULL, /* checkAccess */
NULL, /* call */
NULL, /* construct */
NULL, /* xdrObject */
NULL, /* hasInstance */
NULL, /* trace */
{
NULL, /* equality */
NULL, /* outerObject */
NULL, /* innerObject */
array_iterator,
NULL, /* unused */
false, /* isWrappedNative */
}
};
bool