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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:
//!
//! - `#[privatize]` : 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 `#[privatize]`,`#[derive(JSTraceable)]`, and `#[must_root]`.
//! Use this for structs that correspond to a DOM type
#![feature(plugin_registrar, quote, plugin, box_syntax, rustc_private, slice_patterns)]
#[cfg(feature = "clippy")]
extern crate clippy;
#[macro_use]
extern crate rustc;
extern crate rustc_front;
extern crate rustc_plugin;
#[macro_use]
extern crate syntax;
extern crate syntax_ext;
extern crate tenacious;
extern crate url;
use rustc_plugin::Registry;
use syntax::ext::base::*;
use syntax::feature_gate::AttributeType::Whitelisted;
use syntax::parse::token::intern;
// Public for documentation to show up
/// Handles the auto-deriving for `#[derive(JSTraceable)]`
pub mod jstraceable;
pub mod lints;
/// Autogenerates implementations of Reflectable on DOM structs
pub mod reflector;
/// The `url!` plugin.
mod url_plugin;
/// Utilities for writing plugins
pub mod utils;
#[plugin_registrar]
pub fn plugin_registrar(reg: &mut Registry) {
reg.register_syntax_extension(intern("dom_struct"), MultiModifier(box jstraceable::expand_dom_struct));
reg.register_syntax_extension(intern("derive_JSTraceable"), MultiDecorator(box jstraceable::expand_jstraceable));
reg.register_syntax_extension(intern("_generate_reflector"), MultiDecorator(box reflector::expand_reflector));
reg.register_macro("url", url_plugin::expand_url);
reg.register_late_lint_pass(box lints::transmute_type::TransmutePass);
reg.register_late_lint_pass(box lints::unrooted_must_root::UnrootedPass::new());
reg.register_late_lint_pass(box lints::privatize::PrivatizePass);
reg.register_late_lint_pass(box lints::inheritance_integrity::InheritancePass);
reg.register_early_lint_pass(box lints::ban::BanPass);
reg.register_late_lint_pass(box tenacious::TenaciousPass);
reg.register_attribute("must_root".to_string(), Whitelisted);
reg.register_attribute("servo_lang".to_string(), Whitelisted);
reg.register_attribute("allow_unrooted_interior".to_string(), Whitelisted);
register_clippy(reg);
}
#[cfg(feature = "clippy")]
fn register_clippy(reg: &mut Registry) {
::clippy::plugin_registrar(reg);
}
#[cfg(not(feature = "clippy"))]
fn register_clippy(reg: &mut Registry) {
reg.register_late_lint_pass(box lints::str_to_string::StrToStringPass);
}
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