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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)]
16 #![feature(macro_at_most_once_rep)]
20 // Load rustc as a plugin to get macros
23 extern crate rustc_plugin
;
25 use rustc
::lint
::{EarlyContext
, LintContext
, LintPass
, EarlyLintPass
,
26 EarlyLintPassObject
, LintArray
};
27 use rustc_plugin
::Registry
;
29 declare_lint
!(TEST_LINT
, Warn
, "Warn about items named 'lintme'");
33 impl LintPass
for Pass
{
34 fn get_lints(&self) -> LintArray
{
35 lint_array
!(TEST_LINT
)
39 impl EarlyLintPass
for Pass
{
40 fn check_item(&mut self, cx
: &EarlyContext
, it
: &ast
::Item
) {
41 if it
.ident
.name
== "lintme" {
42 cx
.span_lint(TEST_LINT
, it
.span
, "item is named 'lintme'");
48 pub fn plugin_registrar(reg
: &mut Registry
) {
49 reg
.register_early_lint_pass(box Pass
as EarlyLintPassObject
);