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Auto merge of #10190 - Ms2ger:framechain, r=jdm

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Remove JS_SaveFrameChain and JS_RestoreFrameChain calls.

They were cargo-culted from Gecko, where they haven't been necessary for a
while either.

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This commit is contained in:
bors-servo 2016-05-17 10:14:14 -07:00
commit a5cfbb226e
2 changed files with 4 additions and 19 deletions
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12
components/script/dom/bindings/callback.rs
View file

@ -13,7 +13,6 @@ use js::jsapi::{Heap, MutableHandleObject, RootedObject, RootedValue};
use js::jsapi::{IsCallable, JSContext, JSObject, JS_WrapObject};
use js::jsapi::{JSCompartment, JS_EnterCompartment, JS_LeaveCompartment};
use js::jsapi::{JS_GetProperty, JS_IsExceptionPending, JS_ReportPendingException};
use js::jsapi::{JS_RestoreFrameChain, JS_SaveFrameChain};
use js::jsval::{JSVal, UndefinedValue};
use std::default::Default;
use std::ffi::CString;
@ -196,15 +195,8 @@ impl Drop for CallSetup {
unsafe { JS_IsExceptionPending(self.cx) };
if need_to_deal_with_exception {
unsafe {
let old_global = RootedObject::new(self.cx, self.exception_compartment.ptr);
let saved = JS_SaveFrameChain(self.cx);
{
let _ac = JSAutoCompartment::new(self.cx, old_global.ptr);
JS_ReportPendingException(self.cx);
}
if saved {
JS_RestoreFrameChain(self.cx);
}
let _ac = JSAutoCompartment::new(self.cx, self.exception_compartment.ptr);
JS_ReportPendingException(self.cx);
}
}
}

11
components/script/dom/bindings/error.rs
View file

@ -12,7 +12,6 @@ use js::error::{throw_range_error, throw_type_error};
use js::jsapi::JSAutoCompartment;
use js::jsapi::{JSContext, JSObject, RootedValue};
use js::jsapi::{JS_IsExceptionPending, JS_ReportPendingException, JS_SetPendingException};
use js::jsapi::{JS_RestoreFrameChain, JS_SaveFrameChain};
use js::jsval::UndefinedValue;
/// DOM exceptions that can be thrown by a native DOM method.
@ -125,14 +124,8 @@ pub unsafe fn throw_dom_exception(cx: *mut JSContext, global: GlobalRef, result:
pub fn report_pending_exception(cx: *mut JSContext, obj: *mut JSObject) {
unsafe {
if JS_IsExceptionPending(cx) {
let saved = JS_SaveFrameChain(cx);
{
let _ac = JSAutoCompartment::new(cx, obj);
JS_ReportPendingException(cx);
}
if saved {
JS_RestoreFrameChain(cx);
}
let _ac = JSAutoCompartment::new(cx, obj);
JS_ReportPendingException(cx);
}
}
}