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)]
18 // Load rustc as a plugin to get macros
23 use syntax::parse::token;
24 use rustc::lint::{Context, LintPass, LintPassObject, LintArray};
25 use rustc::plugin::Registry;
27 declare_lint!(TEST_LINT, Warn, "Warn about items named 'lintme'");
29 declare_lint!(PLEASE_LINT, Warn, "Warn about items named 'pleaselintme'");
33 impl LintPass for Pass {
34 fn get_lints(&self) -> LintArray {
35 lint_array!(TEST_LINT, PLEASE_LINT)
38 fn check_item(&mut self, cx: &Context, it: &ast::Item) {
39 let name = token::get_ident(it.ident);
40 if &name[] == "lintme" {
41 cx.span_lint(TEST_LINT, it.span, "item is named 'lintme'");
42 } else if &name[] == "pleaselintme" {
43 cx.span_lint(PLEASE_LINT, it.span, "item is named 'pleaselintme'");
49 pub fn plugin_registrar(reg: &mut Registry) {
50 reg.register_lint_pass(box Pass as LintPassObject);
51 reg.register_lint_group("lint_me", vec![TEST_LINT, PLEASE_LINT]);