3 #![feature(plugin_registrar)]
4 #![feature(box_syntax, rustc_private)]
8 // Load rustc as a plugin to get macros
9 #[macro_use] extern crate rustc;
10 #[macro_use] extern crate rustc_session;
11 extern crate rustc_driver;
13 use rustc::lint::{EarlyContext, LintContext, LintPass, EarlyLintPass, LintArray};
14 use rustc_driver::plugin::Registry;
16 declare_lint!(TEST_LINT, Warn, "Warn about items named 'lintme'");
18 declare_lint_pass!(Pass => [TEST_LINT]);
20 impl EarlyLintPass for Pass {
21 fn check_item(&mut self, cx: &EarlyContext, it: &ast::Item) {
22 if it.ident.name.as_str() == "lintme" {
23 cx.span_lint(TEST_LINT, it.span, "item is named 'lintme'");
29 pub fn plugin_registrar(reg: &mut Registry) {
30 reg.lint_store.register_lints(&[&TEST_LINT]);
31 reg.lint_store.register_early_pass(|| box Pass);