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No tracing of nop traceable fields (#29926)

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* Add `no_trace` option to JSTraceable derive

* NoTrace wrapper

* Port some types to no_trace schematics

* Fixing my unsafe mistakes (not tracing traceables)

* Add docs & safety guards for no_trace

Safety guards (trait shenanigans) guarantees safety usage of `no_trace`

* Port canvas_traits to no_trace

* Port servo_media to no_trace

* Port net_traits to no_trace

* Port style to no_trace

* Port webgpu to no_trace

* Port script_traits to no_trace

* Port canvas_traits, devtools_traits, embedder_traits, profile_traits to no_trace

* unrooted_must_root lint in seperate file

* Add trace_in_no_trace_lint as script_plugin

* Composable types in must_not_have_traceable

* Introduced HashMapTracedValues wrapper

* `HashMap<NoTrace<K>,V>`->`HashMapTracedValues<K,V>`

* Port rest of servo's types to no_trace

* Port html5ever, euclid, mime and http to no_trace

* Port remaining externals to no_trace

* Port webxr and Arc<Mutex<_>>

* Fix spelling in notrace doc
This commit is contained in:
Samson 2023-08-04 12:17:43 +02:00 • committed by GitHub
parent 66e0d543cf
commit 9514f670d1
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167 changed files with 1903 additions and 1020 deletions
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5
components/script/dom/servoparser/mod.rs
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@ -95,9 +95,11 @@ pub struct ServoParser {
network_decoder: DomRefCell<Option<NetworkDecoder>>,
/// Input received from network.
#[ignore_malloc_size_of = "Defined in html5ever"]
#[no_trace]
network_input: DomRefCell<BufferQueue>,
/// Input received from script. Used only to support document.write().
#[ignore_malloc_size_of = "Defined in html5ever"]
#[no_trace]
script_input: DomRefCell<BufferQueue>,
/// The tokenizer of this parser.
tokenizer: DomRefCell<Tokenizer>,
@ -116,6 +118,7 @@ pub struct ServoParser {
// building the DOM. https://github.com/servo/servo/pull/19203
prefetch_tokenizer: DomRefCell<prefetch::Tokenizer>,
#[ignore_malloc_size_of = "Defined in html5ever"]
#[no_trace]
prefetch_input: DomRefCell<BufferQueue>,
}
@ -1046,6 +1049,7 @@ fn insert(
#[derive(JSTraceable, MallocSizeOf)]
#[unrooted_must_root_lint::must_root]
pub struct Sink {
#[no_trace]
base_url: ServoUrl,
document: Dom<Document>,
current_line: u64,
@ -1401,6 +1405,7 @@ impl NetworkDecoder {
#[derive(Default, JSTraceable)]
struct NetworkSink {
#[no_trace]
output: StrTendril,
}