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Prevent reentrancy in TreeWalker::accept_node and NodeIterator::accept_node #18218

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jdm opened this issue Aug 24, 2017 · 3 comments · Fixed by #18255

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@jdm
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@jdm jdm commented Aug 24, 2017

accept_node implements the filter algorithm from the specification, but that algorithm has been updated since it was first written. We need to add an active flag to both TreeWalker and NodeIterator and update it appropriately according to the specification.

Code: components/script/dom/nodeiterator.rs, components/script/dom/treewalker.rs
Tests: ./mach test-wpt tests/wpt/web-platform-tests/dom/traversal

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@highfive highfive commented Aug 24, 2017

Hi! If you have any questions regarding this issue, feel free to make a comment here, or ask it in the #servo channel in IRC.

If you intend to work on this issue, then add @highfive: assign me to your comment, and I'll assign this to you. 😄

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@CYBAI CYBAI commented Aug 24, 2017

@highfive: assign me

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@highfive highfive commented Aug 24, 2017

Hey @CYBAI! Thanks for your interest in working on this issue. It's now assigned to you!

@highfive highfive added the C-assigned label Aug 24, 2017
@CYBAI CYBAI referenced this issue Aug 26, 2017
4 of 4 tasks complete
bors-servo added a commit that referenced this issue Aug 27, 2017
Update concept of node filter algorithm

Implement new [filter](https://dom.spec.whatwg.org/#concept-node-filter) algorithm from specification

---
- [X] `./mach build -d` does not report any errors
- [X] `./mach test-tidy` does not report any errors
- [X] These changes fix #18218 (github issue number if applicable).
- [ ]  There are tests for these changes OR
- [X] These changes do not require tests because changes are minimal and the error was triggered by a test

<!-- Reviewable:start -->
---
This change is [<img src="https://reviewable.io/review_button.svg" height="34" align="absmiddle" alt="Reviewable"/>](https://reviewable.io/reviews/servo/servo/18255)
<!-- Reviewable:end -->
bors-servo added a commit that referenced this issue Aug 29, 2017
Update concept of node filter algorithm

Implement new [filter](https://dom.spec.whatwg.org/#concept-node-filter) algorithm from specification

---
- [X] `./mach build -d` does not report any errors
- [X] `./mach test-tidy` does not report any errors
- [X] These changes fix #18218 (github issue number if applicable).
- [X] These changes do not require tests because changes are minimal and the error was triggered by a test

<!-- Reviewable:start -->
---
This change is [<img src="https://reviewable.io/review_button.svg" height="34" align="absmiddle" alt="Reviewable"/>](https://reviewable.io/reviews/servo/servo/18255)
<!-- Reviewable:end -->
bors-servo added a commit that referenced this issue Oct 6, 2017
Update concept of node filter algorithm

Implement new [filter](https://dom.spec.whatwg.org/#concept-node-filter) algorithm from specification

---
- [X] `./mach build -d` does not report any errors
- [X] `./mach test-tidy` does not report any errors
- [X] These changes fix #18218 (github issue number if applicable).
- [X] These changes do not require tests because changes are minimal and the error was triggered by a test

<!-- Reviewable:start -->
---
This change is [<img src="https://reviewable.io/review_button.svg" height="34" align="absmiddle" alt="Reviewable"/>](https://reviewable.io/reviews/servo/servo/18255)
<!-- Reviewable:end -->
@jdm jdm added the C-has open PR label Oct 17, 2017
bors-servo added a commit that referenced this issue Oct 17, 2017
Update concept of node filter algorithm

Implement new [filter](https://dom.spec.whatwg.org/#concept-node-filter) algorithm from specification

---
- [X] `./mach build -d` does not report any errors
- [X] `./mach test-tidy` does not report any errors
- [X] These changes fix #18218 (github issue number if applicable).
- [X] These changes do not require tests because changes are minimal and the error was triggered by a test

<!-- Reviewable:start -->
---
This change is [<img src="https://reviewable.io/review_button.svg" height="34" align="absmiddle" alt="Reviewable"/>](https://reviewable.io/reviews/servo/servo/18255)
<!-- Reviewable:end -->
bors-servo added a commit that referenced this issue Oct 17, 2017
Update concept of node filter algorithm

Implement new [filter](https://dom.spec.whatwg.org/#concept-node-filter) algorithm from specification

---
- [X] `./mach build -d` does not report any errors
- [X] `./mach test-tidy` does not report any errors
- [X] These changes fix #18218 (github issue number if applicable).
- [X] These changes do not require tests because changes are minimal and the error was triggered by a test

<!-- Reviewable:start -->
---
This change is [<img src="https://reviewable.io/review_button.svg" height="34" align="absmiddle" alt="Reviewable"/>](https://reviewable.io/reviews/servo/servo/18255)
<!-- Reviewable:end -->
bors-servo added a commit that referenced this issue Oct 18, 2017
Update concept of node filter algorithm

Implement new [filter](https://dom.spec.whatwg.org/#concept-node-filter) algorithm from specification

---
- [X] `./mach build -d` does not report any errors
- [X] `./mach test-tidy` does not report any errors
- [X] These changes fix #18218 (github issue number if applicable).
- [X] These changes do not require tests because changes are minimal and the error was triggered by a test

<!-- Reviewable:start -->
---
This change is [<img src="https://reviewable.io/review_button.svg" height="34" align="absmiddle" alt="Reviewable"/>](https://reviewable.io/reviews/servo/servo/18255)
<!-- Reviewable:end -->
bors-servo added a commit that referenced this issue Oct 21, 2017
Update concept of node filter algorithm

Implement new [filter](https://dom.spec.whatwg.org/#concept-node-filter) algorithm from specification

---
- [X] `./mach build -d` does not report any errors
- [X] `./mach test-tidy` does not report any errors
- [X] These changes fix #18218 (github issue number if applicable).
- [X] These changes do not require tests because changes are minimal and the error was triggered by a test

<!-- Reviewable:start -->
---
This change is [<img src="https://reviewable.io/review_button.svg" height="34" align="absmiddle" alt="Reviewable"/>](https://reviewable.io/reviews/servo/servo/18255)
<!-- Reviewable:end -->
bors-servo added a commit that referenced this issue Oct 21, 2017
Update concept of node filter algorithm

Implement new [filter](https://dom.spec.whatwg.org/#concept-node-filter) algorithm from specification

---
- [X] `./mach build -d` does not report any errors
- [X] `./mach test-tidy` does not report any errors
- [X] These changes fix #18218 (github issue number if applicable).
- [X] These changes do not require tests because changes are minimal and the error was triggered by a test

<!-- Reviewable:start -->
---
This change is [<img src="https://reviewable.io/review_button.svg" height="34" align="absmiddle" alt="Reviewable"/>](https://reviewable.io/reviews/servo/servo/18255)
<!-- Reviewable:end -->
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