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Fix crash when enumerating properties of global object (#36491)
These changes make our implementation of the enumeration hook for globals [match Gecko's](https://searchfox.org/mozilla-central/rev/1f65969e57c757146e3e548614b49d3a4168eeb8/dom/base/nsGlobalWindowInner.cpp#3297), fixing an assertion failure that occurred in the previous implementation. Our enumeration hook is supposed to fill a vector with names of properties on the global object without modifying the global in any way; instead we were defining all of the missing webidl interfaces. We now do much less work and crash less. Testing: New crashtest based on manual testcase. Fixes: #34686 --------- Signed-off-by: Josh Matthews <josh@joshmatthews.net>
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9 changed files with 98 additions and 34 deletions
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@ -13,7 +13,7 @@ use js::jsapi::{
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CallArgs, DOMCallbacks, HandleObject as RawHandleObject, JS_FreezeObject, JSContext, JSObject,
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};
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use js::rust::{HandleObject, MutableHandleValue, get_object_class, is_dom_class};
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use script_bindings::interfaces::DomHelpers;
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use script_bindings::interfaces::{DomHelpers, Interface};
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use script_bindings::settings_stack::StackEntry;
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use crate::DomTypes;
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@ -153,8 +153,7 @@ impl DomHelpers<crate::DomTypeHolder> for crate::DomTypeHolder {
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unsafe { is_platform_object_same_origin(cx, obj) }
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}
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fn interface_map() -> &'static phf::Map<&'static [u8], for<'a> fn(SafeJSContext, HandleObject)>
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{
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fn interface_map() -> &'static phf::Map<&'static [u8], Interface> {
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&InterfaceObjectMap::MAP
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}
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