| #![feature(rustc_private)] |
| |
| extern crate rustc_ast; |
| |
| // Load rustc as a plugin to get macros |
| extern crate rustc_driver; |
| #[macro_use] |
| extern crate rustc_lint; |
| #[macro_use] |
| extern crate rustc_session; |
| |
| use rustc_driver::plugin::Registry; |
| use rustc_lint::{EarlyContext, EarlyLintPass, LintArray, LintContext, LintId, LintPass}; |
| use rustc_ast as 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_tool_lint!( |
| /// Some docs |
| pub rustc::TEST_RUSTC_TOOL_LINT, |
| Deny, |
| "Deny internal stuff" |
| ); |
| |
| declare_lint_pass!(Pass => [TEST_LINT, TEST_GROUP, TEST_RUSTC_TOOL_LINT]); |
| |
| impl EarlyLintPass for Pass { |
| fn check_item(&mut self, cx: &EarlyContext, it: &ast::Item) { |
| if it.ident.name.as_str() == "lintme" { |
| cx.lint(TEST_LINT, "item is named 'lintme'", |lint| lint.set_span(it.span)); |
| } |
| if it.ident.name.as_str() == "lintmetoo" { |
| cx.lint(TEST_GROUP, "item is named 'lintmetoo'", |lint| lint.set_span(it.span)); |
| } |
| } |
| } |
| |
| #[no_mangle] |
| fn __rustc_plugin_registrar(reg: &mut Registry) { |
| reg.lint_store.register_lints(&[&TEST_RUSTC_TOOL_LINT, &TEST_LINT, &TEST_GROUP]); |
| reg.lint_store.register_early_pass(|| Box::new(Pass)); |
| reg.lint_store.register_group( |
| true, |
| "clippy::group", |
| Some("clippy_group"), |
| vec![LintId::of(&TEST_LINT), LintId::of(&TEST_GROUP)], |
| ); |
| } |