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https://github.com/servo/servo.git
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48 lines
1.8 KiB
Rust
48 lines
1.8 KiB
Rust
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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//! Servo's compiler plugin/macro crate
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//!
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//! Attributes this crate provides:
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//!
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//! - `#[derive(DenyPublicFields)]` : Forces all fields in a struct/enum to be private
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//! - `#[derive(JSTraceable)]` : Auto-derives an implementation of `JSTraceable` for a struct in the script crate
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//! - `#[must_root]` : Prevents data of the marked type from being used on the stack.
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//! See the lints module for more details
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//! - `#[dom_struct]` : Implies #[derive(JSTraceable, DenyPublicFields)]`, and `#[must_root]`.
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//! Use this for structs that correspond to a DOM type
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#![deny(unsafe_code)]
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#![feature(box_syntax, plugin, plugin_registrar, quote, rustc_private, slice_patterns)]
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#[macro_use]
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extern crate rustc;
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extern crate rustc_plugin;
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extern crate syntax;
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use rustc_plugin::Registry;
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use syntax::ext::base::*;
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use syntax::feature_gate::AttributeType::Whitelisted;
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use syntax::symbol::Symbol;
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mod ban;
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// Public for documentation to show up
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/// Handles the auto-deriving for `#[derive(JSTraceable)]`
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pub mod jstraceable;
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mod unrooted_must_root;
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/// Utilities for writing plugins
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mod utils;
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#[plugin_registrar]
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pub fn plugin_registrar(reg: &mut Registry) {
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reg.register_syntax_extension(
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Symbol::intern("dom_struct"),
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MultiModifier(box jstraceable::expand_dom_struct));
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reg.register_late_lint_pass(box unrooted_must_root::UnrootedPass::new());
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reg.register_early_lint_pass(box ban::BanPass);
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reg.register_attribute("allow_unrooted_interior".to_string(), Whitelisted);
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reg.register_attribute("must_root".to_string(), Whitelisted);
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}
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