diff options
| -rw-r--r-- | components/script/compartments.rs | 33 | ||||
| -rw-r--r-- | components/script/lib.rs | 1 |
2 files changed, 34 insertions, 0 deletions
diff --git a/components/script/compartments.rs b/components/script/compartments.rs new file mode 100644 index 00000000000..e0560c83710 --- /dev/null +++ b/components/script/compartments.rs @@ -0,0 +1,33 @@ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at https://mozilla.org/MPL/2.0/. */ + +use crate::dom::globalscope::GlobalScope; +use js::jsapi::{GetCurrentRealmOrNull, JSAutoCompartment}; + +pub struct AlreadyInCompartment(()); + +impl AlreadyInCompartment { + #![allow(unsafe_code)] + pub fn assert(global: &GlobalScope) -> AlreadyInCompartment { + unsafe { + assert!(!GetCurrentRealmOrNull(global.get_cx()).is_null()); + } + AlreadyInCompartment(()) + } +} + +pub enum InCompartment<'a> { + Already(&'a AlreadyInCompartment), + Entered(&'a JSAutoCompartment), +} + +impl<'a> InCompartment<'a> { + pub fn in_compartment(token: &AlreadyInCompartment) -> InCompartment { + InCompartment::Already(token) + } + + pub fn entered(token: &JSAutoCompartment) -> InCompartment { + InCompartment::Entered(token) + } +} diff --git a/components/script/lib.rs b/components/script/lib.rs index a057540ae22..f63c784bcd4 100644 --- a/components/script/lib.rs +++ b/components/script/lib.rs @@ -57,6 +57,7 @@ mod devtools; pub mod document_loader; #[macro_use] mod dom; +mod compartments; pub mod fetch; mod image_listener; mod layout_image; |