1 #![feature(rustc_private)]
3 extern crate rustc_ast;
5 // Load rustc as a plugin to get macros
6 extern crate rustc_driver;
8 extern crate rustc_lint;
10 extern crate rustc_session;
12 use rustc_driver::plugin::Registry;
13 use rustc_lint::{EarlyContext, EarlyLintPass, LintArray, LintContext, LintId, LintPass};
15 declare_tool_lint!(pub clippy::TEST_LINT, Warn, "Warn about stuff");
18 pub clippy::TEST_GROUP,
19 Warn, "Warn about other stuff"
24 pub rustc::TEST_RUSTC_TOOL_LINT,
29 declare_lint_pass!(Pass => [TEST_LINT, TEST_GROUP, TEST_RUSTC_TOOL_LINT]);
31 impl EarlyLintPass for Pass {
32 fn check_item(&mut self, cx: &EarlyContext, it: &ast::Item) {
33 if it.ident.name.as_str() == "lintme" {
34 cx.lint(TEST_LINT, |lint| {
35 lint.build("item is named 'lintme'").set_span(it.span).emit()
38 if it.ident.name.as_str() == "lintmetoo" {
39 cx.lint(TEST_GROUP, |lint| {
40 lint.build("item is named 'lintmetoo'").set_span(it.span).emit()
47 fn __rustc_plugin_registrar(reg: &mut Registry) {
48 reg.lint_store.register_lints(&[&TEST_RUSTC_TOOL_LINT, &TEST_LINT, &TEST_GROUP]);
49 reg.lint_store.register_early_pass(|| Box::new(Pass));
50 reg.lint_store.register_group(
54 vec![LintId::of(&TEST_LINT), LintId::of(&TEST_GROUP)],