#![feature(plugin_registrar)] #![feature(box_syntax, rustc_private)] extern crate syntax; // Load rustc as a plugin to get macros #[macro_use] extern crate rustc; extern crate rustc_plugin; use rustc::lint::{EarlyContext, LintContext, LintPass, EarlyLintPass, LintArray}; use rustc_plugin::Registry; use syntax::ast; declare_tool_lint!(pub clippy::TEST_LINT, Warn, "Warn about stuff"); declare_tool_lint!( /// Some docs pub clippy::TEST_GROUP, Warn, "Warn about other stuff" ); declare_lint_pass!(Pass => [TEST_LINT, TEST_GROUP]); impl EarlyLintPass for Pass { fn check_item(&mut self, cx: &EarlyContext, it: &ast::Item) { if it.ident.name == "lintme" { cx.span_lint(TEST_LINT, it.span, "item is named 'lintme'"); } if it.ident.name == "lintmetoo" { cx.span_lint(TEST_GROUP, it.span, "item is named 'lintmetoo'"); } } } #[plugin_registrar] pub fn plugin_registrar(reg: &mut Registry) { reg.register_early_lint_pass(box Pass); reg.register_lint_group("clippy::group", Some("clippy_group"), vec![TEST_LINT, TEST_GROUP]); }