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Bug 780332 - rm getTypedArray (r=billm)

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--HG--
extra : rebase_source : 411eb49e7283b62feb62da8a728309433b882c0e
This commit is contained in:
Luke Wagner 2012-08-06 07:45:54 -07:00
parent 10a0e64feb
commit a0a0f78e12
1 changed files with 37 additions and 67 deletions
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104
js/src/jstypedarray.cpp
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@ -699,17 +699,6 @@ GetProtoForClass(JSContext *cx, Class *clasp)
* the subclasses.
*/
static JSObject *
getTypedArray(JSObject *obj)
{
MOZ_ASSERT(obj);
do {
if (obj->isTypedArray())
return obj;
} while ((obj = obj->getProto()));
return NULL;
}
inline bool
TypedArray::isArrayIndex(JSContext *cx, JSObject *obj, jsid id, uint32_t *ip)
{
@ -731,19 +720,18 @@ js::IsDataView(JSObject* obj)
}
JSBool
TypedArray::obj_lookupGeneric(JSContext *cx, HandleObject obj, HandleId id,
TypedArray::obj_lookupGeneric(JSContext *cx, HandleObject tarray, HandleId id,
MutableHandleObject objp, MutableHandleShape propp)
{
JSObject *tarray = getTypedArray(obj);
JS_ASSERT(tarray);
JS_ASSERT(tarray->isTypedArray());
if (isArrayIndex(cx, tarray, id)) {
MarkNonNativePropertyFound(obj, propp);
objp.set(obj);
MarkNonNativePropertyFound(tarray, propp);
objp.set(tarray);
return true;
}
JSObject *proto = obj->getProto();
JSObject *proto = tarray->getProto();
if (!proto) {
objp.set(NULL);
propp.set(NULL);
@ -762,19 +750,18 @@ TypedArray::obj_lookupProperty(JSContext *cx, HandleObject obj, HandlePropertyNa
}
JSBool
TypedArray::obj_lookupElement(JSContext *cx, HandleObject obj, uint32_t index,
TypedArray::obj_lookupElement(JSContext *cx, HandleObject tarray, uint32_t index,
MutableHandleObject objp, MutableHandleShape propp)
{
JSObject *tarray = getTypedArray(obj);
JS_ASSERT(tarray);
JS_ASSERT(tarray->isTypedArray());
if (index < length(tarray)) {
MarkNonNativePropertyFound(obj, propp);
objp.set(obj);
MarkNonNativePropertyFound(tarray, propp);
objp.set(tarray);
return true;
}
if (JSObject *proto = obj->getProto())
if (JSObject *proto = tarray->getProto())
return proto->lookupElement(cx, index, objp, propp);
objp.set(NULL);
@ -963,17 +950,17 @@ class TypedArrayTemplate
}
static JSBool
obj_getElement(JSContext *cx, HandleObject obj, HandleObject receiver, uint32_t index,
obj_getElement(JSContext *cx, HandleObject tarray, HandleObject receiver, uint32_t index,
MutableHandleValue vp)
{
JSObject *tarray = getTypedArray(obj);
JS_ASSERT(tarray->isTypedArray());
if (index < length(tarray)) {
copyIndexToValue(cx, tarray, index, vp);
return true;
}
JSObject *proto = obj->getProto();
JSObject *proto = tarray->getProto();
if (!proto) {
vp.setUndefined();
return true;
@ -1021,12 +1008,12 @@ class TypedArrayTemplate
}
static JSBool
obj_getElementIfPresent(JSContext *cx, HandleObject obj, HandleObject receiver, uint32_t index,
obj_getElementIfPresent(JSContext *cx, HandleObject tarray, HandleObject receiver, uint32_t index,
MutableHandleValue vp, bool *present)
{
// Fast-path the common case of index < length
JSObject *tarray = getTypedArray(obj);
JS_ASSERT(tarray->isTypedArray());
// Fast-path the common case of index < length
if (index < length(tarray)) {
// this inline function is specialized for each type
copyIndexToValue(cx, tarray, index, vp);
@ -1034,7 +1021,7 @@ class TypedArrayTemplate
return true;
}
JSObject *proto = obj->getProto();
JSObject *proto = tarray->getProto();
if (!proto) {
vp.setUndefined();
return true;
@ -1109,11 +1096,10 @@ class TypedArrayTemplate
}
static JSBool
obj_setGeneric(JSContext *cx, HandleObject obj, HandleId id,
obj_setGeneric(JSContext *cx, HandleObject tarray, HandleId id,
MutableHandleValue vp, JSBool strict)
{
RootedObject tarray(cx, getTypedArray(obj));
JS_ASSERT(tarray);
JS_ASSERT(tarray->isTypedArray());
uint32_t index;
// We can't just chain to js_SetPropertyHelper, because we're not a normal object.
@ -1139,11 +1125,10 @@ class TypedArrayTemplate
}
static JSBool
obj_setElement(JSContext *cx, HandleObject obj, uint32_t index,
obj_setElement(JSContext *cx, HandleObject tarray, uint32_t index,
MutableHandleValue vp, JSBool strict)
{
RootedObject tarray(cx, getTypedArray(obj));
JS_ASSERT(tarray);
JS_ASSERT(tarray->isTypedArray());
if (index >= length(tarray)) {
// Silent ignore is better than an exception here, because
@ -1207,11 +1192,10 @@ class TypedArrayTemplate
}
static JSBool
obj_deleteElement(JSContext *cx, HandleObject obj, uint32_t index,
obj_deleteElement(JSContext *cx, HandleObject tarray, uint32_t index,
MutableHandleValue rval, JSBool strict)
{
JSObject *tarray = getTypedArray(obj);
JS_ASSERT(tarray);
JS_ASSERT(tarray->isTypedArray());
if (index < length(tarray)) {
rval.setBoolean(false);
@ -1223,7 +1207,7 @@ class TypedArrayTemplate
}
static JSBool
obj_deleteSpecial(JSContext *cx, HandleObject obj, HandleSpecialId sid,
obj_deleteSpecial(JSContext *cx, HandleObject tarray, HandleSpecialId sid,
MutableHandleValue rval, JSBool strict)
{
rval.setBoolean(true);
@ -1231,11 +1215,10 @@ class TypedArrayTemplate
}
static JSBool
obj_enumerate(JSContext *cx, HandleObject obj, JSIterateOp enum_op,
obj_enumerate(JSContext *cx, HandleObject tarray, JSIterateOp enum_op,
Value *statep, jsid *idp)
{
JSObject *tarray = getTypedArray(obj);
JS_ASSERT(tarray);
JS_ASSERT(tarray->isTypedArray());
uint32_t index;
switch (enum_op) {
@ -1487,10 +1470,7 @@ class TypedArrayTemplate
fun_subarray_impl(JSContext *cx, CallArgs args)
{
JS_ASSERT(IsThisClass(args.thisv()));
JSObject *tarray = getTypedArray(&args.thisv().toObject());
if (!tarray)
return true;
RootedObject tarray(cx, &args.thisv().toObject());
// these are the default values
uint32_t begin = 0, end = length(tarray);
@ -1528,6 +1508,7 @@ class TypedArrayTemplate
fun_move_impl(JSContext *cx, CallArgs args)
{
JS_ASSERT(IsThisClass(args.thisv()));
RootedObject tarray(cx, &args.thisv().toObject());
if (args.length() < 3) {
JS_ReportErrorNumber(cx, js_GetErrorMessage, NULL, JSMSG_TYPED_ARRAY_BAD_ARGS);
@ -1538,7 +1519,6 @@ class TypedArrayTemplate
uint32_t srcEnd;
uint32_t dest;
JSObject *tarray = getTypedArray(&args.thisv().toObject());
uint32_t length = TypedArray::length(tarray);
if (!ToClampedIndex(cx, args[0], length, &srcBegin) ||
!ToClampedIndex(cx, args[1], length, &srcEnd) ||
@ -1591,11 +1571,7 @@ class TypedArrayTemplate
fun_set_impl(JSContext *cx, CallArgs args)
{
JS_ASSERT(IsThisClass(args.thisv()));
Rooted<JSObject*> thisObj(cx, &args.thisv().toObject());
RootedObject tarray(cx, getTypedArray(thisObj));
if (!tarray)
return true;
RootedObject tarray(cx, &args.thisv().toObject());
// first arg must be either a typed array or a JS array
if (args.length() == 0 || !args[0].isObject()) {
@ -1621,19 +1597,17 @@ class TypedArrayTemplate
}
RootedObject arg0(cx, args[0].toObjectOrNull());
RootedObject src(cx, getTypedArray(arg0));
if (src) {
if (length(src) > length(tarray) - offset) {
if (arg0->isTypedArray()) {
if (length(arg0) > length(tarray) - offset) {
JS_ReportErrorNumber(cx, js_GetErrorMessage, NULL, JSMSG_BAD_ARRAY_LENGTH);
return false;
}
if (!copyFromTypedArray(cx, thisObj, src, offset))
if (!copyFromTypedArray(cx, tarray, arg0, offset))
return false;
} else {
src = arg0;
uint32_t len;
if (!js_GetLengthProperty(cx, src, &len))
if (!js_GetLengthProperty(cx, arg0, &len))
return false;
// avoid overflow; we know that offset <= length
@ -1642,7 +1616,7 @@ class TypedArrayTemplate
return false;
}
if (!copyFromArray(cx, thisObj, src, len, offset))
if (!copyFromArray(cx, tarray, arg0, len, offset))
return false;
}
@ -1799,7 +1773,7 @@ class TypedArrayTemplate
MutableHandleValue vp);
static JSObject *
createSubarray(JSContext *cx, JSObject *tarray, uint32_t begin, uint32_t end)
createSubarray(JSContext *cx, HandleObject tarray, uint32_t begin, uint32_t end)
{
JS_ASSERT(tarray);
@ -1861,9 +1835,7 @@ class TypedArrayTemplate
copyFromArray(JSContext *cx, JSObject *thisTypedArrayObj,
HandleObject ar, uint32_t len, uint32_t offset = 0)
{
thisTypedArrayObj = getTypedArray(thisTypedArrayObj);
JS_ASSERT(thisTypedArrayObj);
JS_ASSERT(thisTypedArrayObj->isTypedArray());
JS_ASSERT(offset <= length(thisTypedArrayObj));
JS_ASSERT(len <= length(thisTypedArrayObj) - offset);
NativeType *dest = static_cast<NativeType*>(viewData(thisTypedArrayObj)) + offset;
@ -1896,9 +1868,7 @@ class TypedArrayTemplate
static bool
copyFromTypedArray(JSContext *cx, JSObject *thisTypedArrayObj, JSObject *tarray, uint32_t offset)
{
thisTypedArrayObj = getTypedArray(thisTypedArrayObj);
JS_ASSERT(thisTypedArrayObj);
JS_ASSERT(thisTypedArrayObj->isTypedArray());
JS_ASSERT(offset <= length(thisTypedArrayObj));
JS_ASSERT(length(tarray) <= length(thisTypedArrayObj) - offset);
if (buffer(tarray) == buffer(thisTypedArrayObj))