// force-host #![feature(plugin_registrar)] #![feature(box_syntax, rustc_private)] // Load rustc as a plugin to get macros. #[macro_use] extern crate rustc; extern crate rustc_plugin; extern crate rustc_driver; use rustc::hir; use rustc::lint::{LateContext, LintContext, LintPass, LateLintPass, LateLintPassObject, LintArray}; use rustc_plugin::Registry; declare_lint!(TEST_LINT, Warn, "Warn about items named 'lintme'"); declare_lint!(PLEASE_LINT, Warn, "Warn about items named 'pleaselintme'"); declare_lint_pass!(Pass => [TEST_LINT, PLEASE_LINT]); impl<'a, 'tcx> LateLintPass<'a, 'tcx> for Pass { fn check_item(&mut self, cx: &LateContext, it: &hir::Item) { match &*it.ident.as_str() { "lintme" => cx.span_lint(TEST_LINT, it.span, "item is named 'lintme'"), "pleaselintme" => cx.span_lint(PLEASE_LINT, it.span, "item is named 'pleaselintme'"), _ => {} } } } #[plugin_registrar] pub fn plugin_registrar(reg: &mut Registry) { reg.register_late_lint_pass(box Pass); reg.register_lint_group("lint_me", None, vec![TEST_LINT, PLEASE_LINT]); }