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Miscellaneous script splitting preparation changes (#36216)

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* script: Move num module to script_bindings.

Signed-off-by: Josh Matthews <josh@joshmatthews.net>

* script: Make JS reflector creation generic over DOM trait.

Signed-off-by: Josh Matthews <josh@joshmatthews.net>

* script: Move bindings-specific lock to script_bindings.

Signed-off-by: Josh Matthews <josh@joshmatthews.net>

* script: Move DOM proto array code to script_bindings.

Signed-off-by: Josh Matthews <josh@joshmatthews.net>

* script: Move finalizer implementations to script_bindings.

Signed-off-by: Josh Matthews <josh@joshmatthews.net>

* script: Move some error routines to script_bindings.

Signed-off-by: Josh Matthews <josh@joshmatthews.net>

* script: Move some DOM interface conversion routines to script_bindings.

Signed-off-by: Josh Matthews <josh@joshmatthews.net>

* script: Make is_array_like generic over DOM trait.

Signed-off-by: Josh Matthews <josh@joshmatthews.net>

* script: Use generic interfaces for conditional exposure functions.

Signed-off-by: Josh Matthews <josh@joshmatthews.net>

* script: Move a bunch of routines used by codegen to script_bindings.

Signed-off-by: Josh Matthews <josh@joshmatthews.net>

* Formatting.

Signed-off-by: Josh Matthews <josh@joshmatthews.net>

* Fix clippy warnings.

Signed-off-by: Josh Matthews <josh@joshmatthews.net>

---------

Signed-off-by: Josh Matthews <josh@joshmatthews.net>
This commit is contained in:
Josh Matthews 2025-03-29 04:11:27 -04:00 • committed by GitHub
parent 2c94110952
commit c30ad5a30e
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28 changed files with 836 additions and 691 deletions
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23
components/script_bindings/error.rs
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@ -2,6 +2,12 @@
* 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 js::error::throw_type_error;
use js::jsapi::JS_IsExceptionPending;
use crate::codegen::PrototypeList::proto_id_to_name;
use crate::script_runtime::JSContext as SafeJSContext;
/// DOM exceptions that can be thrown by a native DOM method.
#[derive(Clone, Debug, MallocSizeOf)]
pub enum Error {
@ -69,3 +75,20 @@ pub type Fallible<T> = Result<T, Error>;
/// The return type for IDL operations that can throw DOM exceptions and
/// return `()`.
pub type ErrorResult = Fallible<()>;
/// Throw an exception to signal that a `JSObject` can not be converted to a
/// given DOM type.
pub fn throw_invalid_this(cx: SafeJSContext, proto_id: u16) {
debug_assert!(unsafe { !JS_IsExceptionPending(*cx) });
let error = format!(
"\"this\" object does not implement interface {}.",
proto_id_to_name(proto_id)
);
unsafe { throw_type_error(*cx, &error) };
}
pub fn throw_constructor_without_new(cx: SafeJSContext, name: &str) {
debug_assert!(unsafe { !JS_IsExceptionPending(*cx) });
let error = format!("{} constructor: 'new' is required", name);
unsafe { throw_type_error(*cx, &error) };
}