This update pulls in improvements on mozjs that now removes the need to
pass pointers to CompileOptionsWraper::new(), allows NewProxyObject to
now accept a Singleton bool and JSClass and removes an unsafe
Handle::new usage.
Introduce dynamic module
---
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- [x] These changes fix#25439
- [x] There are tests for these changes
Web developers can use `Dynamic Import` in a classic script; thus, we
need to save the script's private reference so that we can reuse it when
we're going to fetch a dynamic import module for a classic script.
Besides, because it's possible to use different executing context for a
dynamic import module (like `dynamic-import/string-compilation-other-document.html` WPT test),
we can't initialize a module owner at the timing of `SetScriptPrivate`;
thus, if the private module script doesn't hold an owner, we'll use a
DynamicImport owner for it.
Ensure clean shutdown of JS threads
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FIX https://github.com/servo/servo/issues/26685
FIX https://github.com/servo/servo/issues/26996
FIX https://github.com/servo/servo/issues/9672FIX#27027
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Fix building with --feature js_backtrace
This PR fixes an build error that I ran into when using the `--features js_backtrace` flag.
In particular, the error I ran into was this:
```
error[E0061]: this function takes 2 arguments but 1 argument was supplied
--> components\script\dom\bindings\error.rs:113:45
|
113 | let js_stack = stack.and_then(|s| s.as_string(None));
| ^^^^^^^^^ ---- supplied 1 argument
| |
| expected 2 arguments
```
It seems that the `mozjs` crate updated the [`as_string()` method on `CapturedJSStack`](https://doc.servo.org/mozjs/rust/struct.CapturedJSStack.html#method.as_string) to take two parameters. I've chosen to use `StackFormat::Default` because that will presumably preserve the original intended behavior.
I additionally had to make the block wrapping the feature unsafe as I ran into a "must be marked as unsafe to call unsafe code" build error after fixing the above issue. Seems that this commit (0703a1ad6d) forgot that part.
#### Other Notes
After these changes, I was able to build but ran into an access violation error during runtime. When a JS error hit [`throw_dom_exception()`](https://github.com/servo/servo/blob/master/components/script/dom/bindings/error.rs#L109) and the JS stack was pulled, some sort of issue was hit inside mozjs and [`MOZ_NoReturn()`](bdccbdc656/mozjs/mfbt/Assertions.h (L235)) was called, which will obviously cause an issue.
It is worth noting that this only happened on my test platform (Hololens 2) and not on MacOS or in the Hololens 2 emulator. Additionally, the debug logs were not particularly helpful at identifying the culprit. Maybe it is worth making a full issue for?
Here's the full details:
Error message:
```
Exception thrown at 0x00007FFBCDD16784 (simpleservo.dll) in ServoApp.exe: 0xC0000005: Access violation writing location 0x0000000000000000.
```
Stack Trace:
```
simpleservo.dll!MOZ_NoReturn(int aLine) Line 236
at E:\Projects\Yeti\servo\target\aarch64-uwp-windows-msvc\debug\build\mozjs_sys-aa48eb6c20c205d4\out\build\dist\include\mozilla\Assertions.h(236)
simpleservo.dll!js::SavedStacks::insertFrames(JSContext * cx, JS::MutableHandle<js::SavedFrame *> frame, mozilla::Variant<JS::AllFrames,JS::MaxFrames,JS::FirstSubsumedFrame> && capture) Line 0
at E:\.cargo\git\checkouts\mozjs-fa11ffc7d4f1cc2d\9a6d8fc\mozjs\js\src\vm\SavedStacks.cpp(0)
simpleservo.dll!js::SavedStacks::saveCurrentStack(JSContext * cx, JS::MutableHandle<js::SavedFrame *> frame, mozilla::Variant<JS::AllFrames,JS::MaxFrames,JS::FirstSubsumedFrame> && capture) Line 1292
at E:\.cargo\git\checkouts\mozjs-fa11ffc7d4f1cc2d\9a6d8fc\mozjs\js\src\vm\SavedStacks.cpp(1292)
simpleservo.dll!JS::CaptureCurrentStack(JSContext * cx, JS::MutableHandle<JSObject *> stackp, mozilla::Variant<JS::AllFrames,JS::MaxFrames,JS::FirstSubsumedFrame> && capture) Line 5926
at E:\.cargo\git\checkouts\mozjs-fa11ffc7d4f1cc2d\9a6d8fc\mozjs\js\src\jsapi.cpp(5926)
simpleservo.dll!mozjs::rust::CapturedJSStack::new(mozjs::rust::RootedGuard<mut mozjs_sys::generated::root::JSObject*> cx, core::option::Option<u32> guard) Line 1337
at E:\.cargo\git\checkouts\rust-mozjs-8611526964119dd6\28248e1\src\rust.rs(1337)
simpleservo.dll!script::dom::bindings::error::throw_dom_exception(script::script_runtime::JSContext cx, script::dom::globalscope::GlobalScope * global, script::dom::bindings::error::Error result) Line 114
at E:\Projects\Yeti\servo\components\script\dom\bindings\error.rs(114)
```
Repro:
1. Make a build on Windows for the Hololens 2.
- This is the command I used: `C:\Python27\python.exe mach build -d --uwp --win-arm64 --features js_backtrace`
2. Open the project in Visual Studio.
3. Change the default URL in `DefaultUrl.h` to `"http://yeticgi.casualos.com/?story=test1&pagePortal=home"`.
- Note the lack of HTTPS. There's a separate issue that causes a websocket error. Was trying to debug when I ran into this issue.
- The same issue occurs if you load from a build of this [this repository](https://github.com/casual-simulation/casualos). Follow the instructions in [`DEVELOPERS.md`](https://github.com/casual-simulation/casualos/blob/develop/DEVELOPERS.md) if you do.
2. Run on the [Hololens 2 via Visual Studio](https://docs.microsoft.com/en-us/windows/mixed-reality/using-visual-studio#deploying-an-app-over-wi-fi---hololens-2).
- If the default URL doesn't take effect, you may have to uninstall the app from the Hololens 2 and reinstall.
3. Wait for it to load and stop at a breakpoint for `SavedStacks.cpp`.
- It will say the source cannot be found but its actually because the breakpoint doesn't have a related line in the source code.
- If you continue then it will run into the access violation exception.
---
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- mozjs::jsapi::CapturedJSStack::as_string() (https://doc.servo.org/mozjs/rust/struct.CapturedJSStack.html#method.as_string) was updated to accept a second parameter which specifies which Stacktrace format to use. The default has been specified to preserve the (presumably) original behavior.
- The related code has also been placed in an unsafe block since the capture_stack macro calling the unsafe mozjs::jsapi::CapturedJSStack::new() function. Seems that this commit (0703a1ad6d) forgot this part.
Add GPUSampler and GPUTextureView to BindingResources and update wgpu-core
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This also completes validation for `GPUBindGroup` and `GPUBindGroupLayout`.
`entry_map` is stored in `GPUBindGroupLayout` for validating `createBindGroup()`.
r?@kvark
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Do not trace pending parsers
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FIX https://github.com/servo/servo/issues/26857
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Convert parent dictionary values when converting dictionaries to JS
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- [x] These changes fix#26928
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Add DocumentAnimationSet and AnimationSetKey
This will be used in order to hold animations for pseudo elements in the
DocumentAnimationSet. Also no longer store the OpaqueNode in the
animation and transition data structures. This is already part of the
DocumentAnimationSet key.
---
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This will be used in order to hold animations for pseudo elements in the
DocumentAnimationSet. Also no longer store the OpaqueNode in the
animation and transition data structures. This is already part of the
DocumentAnimationSet key.
Extract some of CGClassConstructHook to utils.rs
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Moving some of the functionality from the massive tripled quoted string in CGClassConstructHook in `components/script/dom/bindings/codegen/CodegenRust.py` to `components/script/dom/bindings/utils.rs`. Must be made unsafe because of UnwrapObjectDynamic and other functions. Added imports as necessary as well, as well as cleaning up using test-tidy.
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Improve worker shutdown
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FIX#26548FIX#25212
and also a step towards https://github.com/servo/servo/issues/26502
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Remove unnecessary generics from low-level script code
This should remove one of the larger offenders from the cargo-llvm-lines output for the script crate.
