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Add a check for when the js execution stack is empty

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This commit is contained in:
Connor Brewster 2017-12-02 18:18:35 -06:00 • committed by Josh Matthews
parent 87475b11d3
commit 43526c80bb
2 changed files with 10 additions and 1 deletions
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6
components/script/dom/bindings/settings_stack.rs
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@ -35,6 +35,12 @@ pub unsafe fn trace(tracer: *mut JSTracer) {
})
}
pub fn is_execution_stack_empty() -> bool {
STACK.with(|stack| {
stack.borrow().is_empty()
})
}
/// RAII struct that pushes and pops entries from the script settings stack.
pub struct AutoEntryScript {
global: DomRoot<GlobalScope>,

5
components/script/dom/servoparser/mod.rs
View file

@ -13,6 +13,7 @@ use dom::bindings::inheritance::Castable;
use dom::bindings::refcounted::Trusted;
use dom::bindings::reflector::{Reflector, reflect_dom_object};
use dom::bindings::root::{Dom, DomRoot, MutNullableDom, RootedReference};
use dom::bindings::settings_stack::is_execution_stack_empty;
use dom::bindings::str::DOMString;
use dom::characterdata::CharacterData;
use dom::comment::Comment;
@ -1001,7 +1002,9 @@ fn create_element_for_token(
// Step 6.1.
// TODO: handle throw-on-dynamic-markup-insertion counter.
// Step 6.2
// TODO: If the JavaScript execution context stack is empty, then perform a microtask checkpoint.
if is_execution_stack_empty() {
document.window().upcast::<GlobalScope>().perform_a_microtask_checkpoint();
}
// Step 6.3
ScriptThread::push_new_element_queue()
}