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Avoid bare *mut JSObject arguments in webidl codegen #26699

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Avoid bare *mut JSObject arguments in webidl codegen #26699

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jdm
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@jdm jdm commented May 28, 2020

The motivation here was fixing a bug where argument type calculation did not treat inner types of sequences correctly. This required updating some logic for when to choose to use *mut JSObject vs. RootedTraceableBox<Heap<*mut JSObject>, which then was a good reason to choose HandleObject when possible instead.

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Heads up! This PR modifies the following files:

  • @asajeffrey: components/script/dom/bindings/codegen/CodegenRust.py, components/script/dom/testbinding.rs, components/script/dom/permissions.rs, components/script/dom/imagedata.rs, components/script/dom/bluetooth.rs and 1 more
  • @KiChjang: components/script/dom/bindings/codegen/CodegenRust.py, components/script/dom/testbinding.rs, components/script/dom/permissions.rs, components/script/dom/imagedata.rs, components/script/dom/bluetooth.rs and 1 more

@highfive highfive added the S-awaiting-review There is new code that needs to be reviewed. label May 28, 2020
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jdm commented May 28, 2020

r? @nox

@highfive highfive assigned nox and unassigned SimonSapin May 28, 2020
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jdm commented May 28, 2020

cc @kunalmohan
This should allow you to update the webidl assertion like we discussed on matrix.

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nox commented May 29, 2020

@bors-servo r+

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📌 Commit 21f0fde has been approved by nox

@highfive highfive added S-awaiting-merge The PR is in the process of compiling and running tests on the automated CI. and removed S-awaiting-review There is new code that needs to be reviewed. labels May 29, 2020
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⌛ Testing commit 21f0fde with merge 805db8b...

bors-servo added a commit that referenced this pull request May 29, 2020
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Auto merge of #26699 - jdm:codegen-object-any, r=nox
805db8b 
Avoid bare *mut JSObject arguments in webidl codegen

The motivation here was fixing a bug where argument type calculation did not treat inner types of sequences correctly. This required updating some logic for when to choose to use `*mut JSObject` vs. `RootedTraceableBox<Heap<*mut JSObject>`, which then was a good reason to choose `HandleObject` when possible instead.

---
- [x] `./mach build -d` does not report any errors
- [x] `./mach test-tidy` does not report any errors
- [x] These changes fix #13308
- [x] There are tests for these changes
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💔 Test failed - status-taskcluster

@highfive highfive added S-tests-failed The changes caused existing tests to fail. and removed S-awaiting-merge The PR is in the process of compiling and running tests on the automated CI. labels May 29, 2020
@highfive highfive added S-awaiting-review There is new code that needs to be reviewed. and removed S-tests-failed The changes caused existing tests to fail. labels May 29, 2020
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jdm commented May 29, 2020

@bors-servo r+

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📌 Commit 0a35363 has been approved by jdm

@highfive highfive assigned jdm and unassigned nox May 29, 2020
@highfive highfive added S-awaiting-merge The PR is in the process of compiling and running tests on the automated CI. and removed S-awaiting-review There is new code that needs to be reviewed. labels May 29, 2020
bors-servo added a commit that referenced this pull request May 29, 2020
@bors-servo
Auto merge of #26699 - jdm:codegen-object-any, r=jdm
41545cf 
Avoid bare *mut JSObject arguments in webidl codegen

The motivation here was fixing a bug where argument type calculation did not treat inner types of sequences correctly. This required updating some logic for when to choose to use `*mut JSObject` vs. `RootedTraceableBox<Heap<*mut JSObject>`, which then was a good reason to choose `HandleObject` when possible instead.

---
- [x] `./mach build -d` does not report any errors
- [x] `./mach test-tidy` does not report any errors
- [x] These changes fix #13308
- [x] There are tests for these changes
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⌛ Testing commit 0a35363 with merge 41545cf...

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💔 Test failed - status-taskcluster

@highfive highfive removed the S-awaiting-merge The PR is in the process of compiling and running tests on the automated CI. label May 29, 2020
@highfive highfive added the S-tests-failed The changes caused existing tests to fail. label May 29, 2020
@kunalmohan kunalmohan mentioned this pull request May 29, 2020
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@jdm jdm mentioned this pull request May 29, 2020
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jdm commented May 29, 2020

The crashes come from creating Handle values from stack temporary pointers (ie. taking the result of some_jsval_handle.to_object() and calling HandleObject::from_marked_location(&...)). If we want to go through with this, we will need to create stack roots for the result of the conversion, then take a handle from those roots.

bors-servo added a commit that referenced this pull request May 29, 2020
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Auto merge of #26718 - jdm:codegen-sequence, r=Manishearth
86a44d6 
Improve precision of sequence types for WebIDL codegen.

Unlike #26699, this doesn't attempt to improve any of the resulting types and only maintains the status quo.

---
- [x] `./mach build -d` does not report any errors
- [x] `./mach test-tidy` does not report any errors
- [x] There are tests for these changes
bors-servo added a commit that referenced this pull request May 30, 2020
@bors-servo
Auto merge of #26718 - jdm:codegen-sequence, r=Manishearth
2c178ed 
Improve precision of sequence types for WebIDL codegen.

Unlike #26699, this doesn't attempt to improve any of the resulting types and only maintains the status quo.

---
- [x] `./mach build -d` does not report any errors
- [x] `./mach test-tidy` does not report any errors
- [x] There are tests for these changes
bors-servo added a commit that referenced this pull request May 30, 2020
@bors-servo
Auto merge of #26718 - jdm:codegen-sequence, r=Manishearth
1a61937 
Improve precision of sequence types for WebIDL codegen.

Unlike #26699, this doesn't attempt to improve any of the resulting types and only maintains the status quo.

---
- [x] `./mach build -d` does not report any errors
- [x] `./mach test-tidy` does not report any errors
- [x] There are tests for these changes
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☔ The latest upstream changes (presumably #26718) made this pull request unmergeable. Please resolve the merge conflicts.

@highfive highfive added the S-needs-rebase There are merge conflict errors. label May 30, 2020
bors-servo added a commit that referenced this pull request May 30, 2020
@bors-servo
Auto merge of #26714 - kunalmohan:gpu-render-pipeline, r=jdm
05e5fbc 
Implement GPURenderPipeline

<!-- Please describe your changes on the following line: -->
We need to wait for #26699 to merge before this.
A significant amount of validation still needs to be added. I plan on doing that in a follow-up PR.
r?@kvark

---
<!-- Thank you for contributing to Servo! Please replace each `[ ]` by `[X]` when the step is complete, and replace `___` with appropriate data: -->
- [x] `./mach build -d` does not report any errors
- [X] `./mach test-tidy` does not report any errors
- [ ] These changes fix #___ (GitHub issue number if applicable)

<!-- Either: -->
- [ ] There are tests for these changes OR
- [ ] These changes do not require tests because ___

<!-- Also, please make sure that "Allow edits from maintainers" checkbox is checked, so that we can help you if you get stuck somewhere along the way.-->

<!-- Pull requests that do not address these steps are welcome, but they will require additional verification as part of the review process. -->
bors-servo added a commit that referenced this pull request May 30, 2020
@bors-servo
Auto merge of #26714 - kunalmohan:gpu-render-pipeline, r=jdm
9219126 
Implement GPURenderPipeline

<!-- Please describe your changes on the following line: -->
We need to wait for #26699 to merge before this.
A significant amount of validation still needs to be added. I plan on doing that in a follow-up PR.
r?@kvark

---
<!-- Thank you for contributing to Servo! Please replace each `[ ]` by `[X]` when the step is complete, and replace `___` with appropriate data: -->
- [x] `./mach build -d` does not report any errors
- [X] `./mach test-tidy` does not report any errors
- [ ] These changes fix #___ (GitHub issue number if applicable)

<!-- Either: -->
- [ ] There are tests for these changes OR
- [ ] These changes do not require tests because ___

<!-- Also, please make sure that "Allow edits from maintainers" checkbox is checked, so that we can help you if you get stuck somewhere along the way.-->

<!-- Pull requests that do not address these steps are welcome, but they will require additional verification as part of the review process. -->
bors-servo added a commit that referenced this pull request May 30, 2020
@bors-servo
Auto merge of #26714 - kunalmohan:gpu-render-pipeline, r=jdm
e0f3e9b 
Implement GPURenderPipeline

<!-- Please describe your changes on the following line: -->
We need to wait for #26699 to merge before this.
A significant amount of validation still needs to be added. I plan on doing that in a follow-up PR.
r?@kvark

---
<!-- Thank you for contributing to Servo! Please replace each `[ ]` by `[X]` when the step is complete, and replace `___` with appropriate data: -->
- [x] `./mach build -d` does not report any errors
- [X] `./mach test-tidy` does not report any errors
- [ ] These changes fix #___ (GitHub issue number if applicable)

<!-- Either: -->
- [ ] There are tests for these changes OR
- [ ] These changes do not require tests because ___

<!-- Also, please make sure that "Allow edits from maintainers" checkbox is checked, so that we can help you if you get stuck somewhere along the way.-->

<!-- Pull requests that do not address these steps are welcome, but they will require additional verification as part of the review process. -->
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nox commented Jun 25, 2020

This still needs a rebase (for once that I see old stuff on which I can ping you and not the reverse… 🤡)

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jdm commented Jun 25, 2020

It needs more than a rebase. It needs a fundamental rethink.

@jdm jdm closed this Jun 25, 2020
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WebIDL: Represent optional objects as Option<NonZero<*mut JSObject>> in function arguments.
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@jdm @highfive @nox @bors-servo @SimonSapin