1 // Copyright 2014 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.
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.
13 #![feature(plugin_registrar)]
14 #![feature(box_syntax, rustc_private)]
15 #![feature(macro_vis_matcher)]
19 // Load rustc as a plugin to get macros
22 extern crate rustc_plugin;
24 use rustc::lint::{EarlyContext, LintContext, LintPass, EarlyLintPass,
25 EarlyLintPassObject, LintArray};
26 use rustc_plugin::Registry;
28 declare_lint!(TEST_LINT, Warn, "Warn about items named 'lintme'");
32 impl LintPass for Pass {
33 fn get_lints(&self) -> LintArray {
34 lint_array!(TEST_LINT)
38 impl EarlyLintPass for Pass {
39 fn check_item(&mut self, cx: &EarlyContext, it: &ast::Item) {
40 if it.ident.name == "lintme" {
41 cx.span_lint(TEST_LINT, it.span, "item is named 'lintme'");
47 pub fn plugin_registrar(reg: &mut Registry) {
48 reg.register_early_lint_pass(box Pass as EarlyLintPassObject);