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Move generated bindings to script_bindings (#36323)

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This is the final step of #1799, where the majority of the generated
code for the JS bindings is now compiled as part of the script_bindings
build step. The remaining pieces in script must live there because they
refer to concrete DOM types; all code in script_bindings is generic over
the
[DomTypes](https://doc.servo.org/script/dom/bindings/codegen/DomTypes/trait.DomTypes.html)
trait.

My testing with incremental builds shows me a 12 second reduction in
build times on my 2024 M4 Macbook Pro when modifying code in the script
crate after these changes. Before this PR those changes took 20 seconds
to rebuild Servo, and now they take 8 seconds.

Testing: Existing WPT tests ensure no regressions.
Fixes: #1799

---------

Signed-off-by: Josh Matthews <josh@joshmatthews.net>
This commit is contained in:
Josh Matthews 2025-04-04 02:45:08 -04:00 • committed by GitHub
parent 277c0b82dd
commit b4079b3ff3
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GPG key ID: B5690EEEBB952194
44 changed files with 1932 additions and 1829 deletions
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45
components/script_bindings/lib.rs
View file

@ -10,6 +10,8 @@
#![cfg_attr(any(doc, clippy), allow(unknown_lints))]
#![deny(crown_is_not_used)]
#[macro_use]
extern crate js;
#[macro_use]
extern crate jstraceable_derive;
#[macro_use]
@ -18,21 +20,30 @@ extern crate log;
extern crate malloc_size_of_derive;
pub mod callback;
pub mod constant;
mod constant;
mod constructor;
pub mod conversions;
pub mod error;
pub mod finalize;
mod finalize;
mod guard;
mod import;
pub mod inheritance;
pub mod interface;
pub mod interfaces;
pub mod iterable;
pub mod like;
pub mod lock;
mod lock;
mod mem;
mod namespace;
pub mod num;
pub mod principals;
pub mod proxyhandler;
pub mod realms;
pub mod record;
pub mod reflector;
pub mod root;
pub mod script_runtime;
pub mod settings_stack;
pub mod str;
pub mod trace;
pub mod utils;
@ -51,6 +62,32 @@ pub mod codegen {
pub mod PrototypeList {
include!(concat!(env!("OUT_DIR"), "/PrototypeList.rs"));
}
pub(crate) mod DomTypes {
include!(concat!(env!("OUT_DIR"), "/DomTypes.rs"));
}
#[allow(
dead_code,
clippy::extra_unused_type_parameters,
clippy::missing_safety_doc,
clippy::result_unit_err
)]
pub mod GenericBindings {
include!(concat!(env!("OUT_DIR"), "/Bindings/mod.rs"));
}
#[allow(
non_camel_case_types,
unused_imports,
unused_variables,
clippy::large_enum_variant,
clippy::upper_case_acronyms,
clippy::enum_variant_names
)]
pub mod GenericUnionTypes {
include!(concat!(env!("OUT_DIR"), "/GenericUnionTypes.rs"));
}
pub mod RegisterBindings {
include!(concat!(env!("OUT_DIR"), "/RegisterBindings.rs"));
}
}
// These trait exports are public, because they are used in the DOM bindings.
@ -58,4 +95,6 @@ pub mod codegen {
// it is useful that they are accessible at the root of the crate.
pub(crate) use js::gc::Traceable as JSTraceable;
pub use crate::codegen::DomTypes::DomTypes;
pub(crate) use crate::reflector::{DomObject, MutDomObject, Reflector};
pub(crate) use crate::trace::CustomTraceable;