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constellation: crash to a new “sad tab” error page (#30290)

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* constellation: crash to a new “sad tab” page

* check in resources/crash.html

* use a separate enum variant instead of keying on reason

* fmt + tidy

* rename Resource::Crash to Resource::CrashHTML

* clean up crash page and add details (reason + backtrace)

* avoid repeating crash errors in script::script_thread warn log

* make new LoadData init more idiomatic

* clarify comments and new fields

* fix doc comment style
This commit is contained in:
Delan Azabani 2023-09-06 17:52:37 +08:00 • committed by GitHub
parent 1b6351486c
commit c3c6c95a9b
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13 changed files with 102 additions and 46 deletions
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39
components/constellation/constellation.rs
View file

@ -2782,7 +2782,7 @@ where
self.embedder_proxy.send((
Some(top_level_browsing_context_id),
EmbedderMsg::Panic(reason, backtrace),
EmbedderMsg::Panic(reason.clone(), backtrace.clone()),
));
let browsing_context = match self.browsing_contexts.get(&browsing_context_id) {
@ -2797,7 +2797,6 @@ where
Some(p) => p,
None => return warn!("failed pipeline is missing"),
};
let pipeline_url = pipeline.url.clone();
let opener = pipeline.opener;
self.close_browsing_context_children(
@ -2806,23 +2805,27 @@ where
ExitPipelineMode::Force,
);
let failure_url = ServoUrl::parse("about:failure").expect("infallible");
if pipeline_url == failure_url {
return error!("about:failure failed");
let old_pipeline_id = pipeline_id;
let old_load_data = match self.pipelines.get(&pipeline_id) {
Some(pipeline) => pipeline.load_data.clone(),
None => return warn!("failed pipeline is missing"),
};
if old_load_data.crash.is_some() {
return error!("crash page crashed");
}
warn!("creating replacement pipeline for about:failure");
warn!("creating replacement pipeline for crash page");
let new_pipeline_id = PipelineId::new();
let load_data = LoadData::new(
LoadOrigin::Constellation,
failure_url,
None,
Referrer::NoReferrer,
None,
None,
);
let new_load_data = LoadData {
crash: Some(
backtrace
.map(|b| format!("{}\n{}", reason, b))
.unwrap_or(reason),
),
..old_load_data.clone()
};
let sandbox = IFrameSandboxState::IFrameSandboxed;
let is_private = false;
self.new_pipeline(
@ -2832,7 +2835,7 @@ where
None,
opener,
window_size,
load_data,
new_load_data,
sandbox,
is_private,
is_visible,
@ -2841,7 +2844,9 @@ where
top_level_browsing_context_id,
browsing_context_id,
new_pipeline_id,
replace: None,
// Pipeline already closed by close_browsing_context_children, so we can pass Yes here
// to avoid closing again in handle_activate_document_msg (though it would be harmless)
replace: Some(NeedsToReload::Yes(old_pipeline_id, old_load_data)),
new_browsing_context_info: None,
window_size,
});