diff options
Diffstat (limited to 'tests/ui-fulldeps/auxiliary/lint-group-plugin-test.rs')
-rw-r--r-- | tests/ui-fulldeps/auxiliary/lint-group-plugin-test.rs | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/tests/ui-fulldeps/auxiliary/lint-group-plugin-test.rs b/tests/ui-fulldeps/auxiliary/lint-group-plugin-test.rs new file mode 100644 index 000000000..4a41e7fbb --- /dev/null +++ b/tests/ui-fulldeps/auxiliary/lint-group-plugin-test.rs @@ -0,0 +1,44 @@ +// force-host + +#![feature(rustc_private)] + +// Load rustc as a plugin to get macros. +extern crate rustc_driver; +extern crate rustc_hir; +#[macro_use] +extern crate rustc_lint; +#[macro_use] +extern crate rustc_session; + +use rustc_driver::plugin::Registry; +use rustc_lint::{LateContext, LateLintPass, LintArray, LintContext, LintId, LintPass}; + +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<'tcx> LateLintPass<'tcx> for Pass { + fn check_item(&mut self, cx: &LateContext, it: &rustc_hir::Item) { + match it.ident.as_str() { + "lintme" => cx.lint(TEST_LINT, "item is named 'lintme'", |lint| lint.set_span(it.span)), + "pleaselintme" => { + cx.lint(PLEASE_LINT, "item is named 'pleaselintme'", |lint| lint.set_span(it.span)) + } + _ => {} + } + } +} + +#[no_mangle] +fn __rustc_plugin_registrar(reg: &mut Registry) { + reg.lint_store.register_lints(&[&TEST_LINT, &PLEASE_LINT]); + reg.lint_store.register_late_pass(|_| Box::new(Pass)); + reg.lint_store.register_group( + true, + "lint_me", + None, + vec![LintId::of(&TEST_LINT), LintId::of(&PLEASE_LINT)], + ); +} |