| // Copyright 2015 The Rust Project Developers. See the COPYRIGHT |
| // file at the top-level directory of this distribution and at |
| // http://rust-lang.org/COPYRIGHT. |
| // |
| // Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or |
| // http://www.apache.org/licenses/LICENSE-2.0> or the MIT license |
| // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your |
| // option. This file may not be copied, modified, or distributed |
| // except according to those terms. |
| |
| // force-host |
| |
| #![feature(plugin_registrar, rustc_private)] |
| #![feature(box_syntax)] |
| |
| #[macro_use] extern crate rustc; |
| extern crate rustc_plugin; |
| extern crate syntax; |
| |
| use rustc::lint::{LateContext, LintContext, LintPass, LateLintPass, LateLintPassObject, LintArray}; |
| use rustc_plugin::Registry; |
| use rustc::hir; |
| use syntax::attr; |
| |
| declare_lint!(CRATE_NOT_OKAY, Warn, "crate not marked with #![crate_okay]"); |
| |
| struct Pass; |
| |
| impl LintPass for Pass { |
| fn get_lints(&self) -> LintArray { |
| lint_array!(CRATE_NOT_OKAY) |
| } |
| } |
| |
| impl<'a, 'tcx> LateLintPass<'a, 'tcx> for Pass { |
| fn check_crate(&mut self, cx: &LateContext, krate: &hir::Crate) { |
| if !attr::contains_name(&krate.attrs, "crate_okay") { |
| cx.span_lint(CRATE_NOT_OKAY, krate.span, |
| "crate is not marked with #![crate_okay]"); |
| } |
| } |
| } |
| |
| #[plugin_registrar] |
| pub fn plugin_registrar(reg: &mut Registry) { |
| reg.register_late_lint_pass(box Pass); |
| } |