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/* 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 http://mozilla.org/MPL/2.0/. */
//! Servo's compiler plugin/macro crate
//!
//! Attributes this crate provides:
//!
//! - `#[derive(DenyPublicFields)]` : Forces all fields in a struct/enum to be private
//! - `#[derive(JSTraceable)]` : Auto-derives an implementation of `JSTraceable` for a struct in the script crate
//! - `#[must_root]` : Prevents data of the marked type from being used on the stack.
//! See the lints module for more details
//! - `#[dom_struct]` : Implies #[derive(JSTraceable, DenyPublicFields)]`, and `#[must_root]`.
//! Use this for structs that correspond to a DOM type
#![deny(unsafe_code)]
#![feature(macro_at_most_once_rep)]
#![feature(plugin)]
#![feature(plugin_registrar)]
#![feature(rustc_private)]
#[cfg(feature = "unrooted_must_root_lint")]
#[macro_use]
extern crate rustc;
extern crate rustc_plugin;
extern crate syntax;
use rustc_plugin::Registry;
use syntax::feature_gate::AttributeType::Whitelisted;
#[cfg(feature = "unrooted_must_root_lint")]
mod unrooted_must_root;
/// Utilities for writing plugins
#[cfg(feature = "unrooted_must_root_lint")]
mod utils;
#[plugin_registrar]
pub fn plugin_registrar(reg: &mut Registry) {
#[cfg(feature = "unrooted_must_root_lint")]
reg.register_late_lint_pass(Box::new(unrooted_must_root::UnrootedPass::new()));
reg.register_attribute("allow_unrooted_interior".to_string(), Whitelisted);
reg.register_attribute("must_root".to_string(), Whitelisted);
}
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