Reviewers: rossberg,
Description:
Array "splice" changeRecords should be emitted after the performChange has
completed (per spec)
R=rossberg
BUG=
Please review this at https://codereview.chromium.org/23434008/
SVN Base: https://v8.googlecode.com/svn/branches/bleeding_edge
Affected files (+4, -8 lines):
M src/array.js
Index: src/array.js
diff --git a/src/array.js b/src/array.js
index
5f89ebb7a6b6c4cfea2b66df051e918e95a74c0d..4a7aea5e1d9fd358cd679ae0f534e8d6bed1f257
100644
--- a/src/array.js
+++ b/src/array.js
@@ -399,14 +399,13 @@ function ObservedArrayPop(n) {
n--;
var value = this[n];
- EnqueueSpliceRecord(this, n, [value], 0);
-
try {
BeginPerformSplice(this);
delete this[n];
this.length = n;
} finally {
EndPerformSplice(this);
+ EnqueueSpliceRecord(this, n, [value], 0);
}
return value;
@@ -441,8 +440,6 @@ function ObservedArrayPush() {
var n = TO_UINT32(this.length);
var m = %_ArgumentsLength();
- EnqueueSpliceRecord(this, n, [], m);
-
try {
BeginPerformSplice(this);
for (var i = 0; i < m; i++) {
@@ -451,6 +448,7 @@ function ObservedArrayPush() {
this.length = n + m;
} finally {
EndPerformSplice(this);
+ EnqueueSpliceRecord(this, n, [], m);
}
return this.length;
@@ -581,14 +579,13 @@ function ArrayReverse() {
function ObservedArrayShift(len) {
var first = this[0];
- EnqueueSpliceRecord(this, 0, [first], 0);
-
try {
BeginPerformSplice(this);
SimpleMove(this, 0, 1, len, 0);
this.length = len - 1;
} finally {
EndPerformSplice(this);
+ EnqueueSpliceRecord(this, 0, [first], 0);
}
return first;
@@ -627,8 +624,6 @@ function ObservedArrayUnshift() {
var len = TO_UINT32(this.length);
var num_arguments = %_ArgumentsLength();
- EnqueueSpliceRecord(this, 0, [], num_arguments);
-
try {
BeginPerformSplice(this);
SimpleMove(this, 0, 0, len, num_arguments);
@@ -638,6 +633,7 @@ function ObservedArrayUnshift() {
this.length = len + num_arguments;
} finally {
EndPerformSplice(this);
+ EnqueueSpliceRecord(this, 0, [], num_arguments);
}
return len + num_arguments;
--
--
v8-dev mailing list
[email protected]
http://groups.google.com/group/v8-dev
---
You received this message because you are subscribed to the Google Groups "v8-dev" group.
To unsubscribe from this group and stop receiving emails from it, send an email
to [email protected].
For more options, visit https://groups.google.com/groups/opt_out.
