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)]
16 extern crate rustc_front;
18 // Load rustc as a plugin to get macros
23 use rustc::lint::{LateContext, LintContext, LintPass, LateLintPass, LateLintPassObject, LintArray};
24 use rustc::plugin::Registry;
26 declare_lint!(TEST_LINT, Warn, "Warn about items named 'lintme'");
28 declare_lint!(PLEASE_LINT, Warn, "Warn about items named 'pleaselintme'");
32 impl LintPass for Pass {
33 fn get_lints(&self) -> LintArray {
34 lint_array!(TEST_LINT, PLEASE_LINT)
38 impl LateLintPass for Pass {
39 fn check_item(&mut self, cx: &LateContext, it: &hir::Item) {
40 match &*it.name.as_str() {
41 "lintme" => cx.span_lint(TEST_LINT, it.span, "item is named 'lintme'"),
42 "pleaselintme" => cx.span_lint(PLEASE_LINT, it.span, "item is named 'pleaselintme'"),
49 pub fn plugin_registrar(reg: &mut Registry) {
50 reg.register_late_lint_pass(box Pass as LateLintPassObject);
51 reg.register_lint_group("lint_me", vec![TEST_LINT, PLEASE_LINT]);