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1 | // Copyright 2015 The Rust Project Developers. See the COPYRIGHT |
2 | // file at the top-level directory of this distribution and at | |
3 | // http://rust-lang.org/COPYRIGHT. | |
4 | // | |
5 | // Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or | |
6 | // http://www.apache.org/licenses/LICENSE-2.0> or the MIT license | |
7 | // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your | |
8 | // option. This file may not be copied, modified, or distributed | |
9 | // except according to those terms. | |
10 | ||
11 | // force-host | |
12 | ||
13 | #![feature(plugin_registrar, rustc_private)] | |
14 | #![feature(box_syntax)] | |
15 | ||
c34b1796 | 16 | #[macro_use] extern crate rustc; |
92a42be0 | 17 | extern crate rustc_plugin; |
b039eaaf | 18 | extern crate syntax; |
c34b1796 | 19 | |
b039eaaf | 20 | use rustc::lint::{LateContext, LintContext, LintPass, LateLintPass, LateLintPassObject, LintArray}; |
92a42be0 | 21 | use rustc_plugin::Registry; |
54a0048b | 22 | use rustc::hir; |
b039eaaf | 23 | use syntax::attr; |
c34b1796 AL |
24 | |
25 | declare_lint!(CRATE_NOT_OKAY, Warn, "crate not marked with #![crate_okay]"); | |
26 | ||
27 | struct Pass; | |
28 | ||
29 | impl LintPass for Pass { | |
30 | fn get_lints(&self) -> LintArray { | |
31 | lint_array!(CRATE_NOT_OKAY) | |
32 | } | |
b039eaaf | 33 | } |
c34b1796 | 34 | |
b039eaaf SL |
35 | impl LateLintPass for Pass { |
36 | fn check_crate(&mut self, cx: &LateContext, krate: &hir::Crate) { | |
c34b1796 AL |
37 | if !attr::contains_name(&krate.attrs, "crate_okay") { |
38 | cx.span_lint(CRATE_NOT_OKAY, krate.span, | |
39 | "crate is not marked with #![crate_okay]"); | |
40 | } | |
41 | } | |
42 | } | |
43 | ||
44 | #[plugin_registrar] | |
45 | pub fn plugin_registrar(reg: &mut Registry) { | |
b039eaaf | 46 | reg.register_late_lint_pass(box Pass as LateLintPassObject); |
c34b1796 | 47 | } |