From 698f8c2f01ea549d77d7dc3338a12e04c11057b9 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Wed, 17 Apr 2024 14:02:58 +0200 Subject: Adding upstream version 1.64.0+dfsg1. Signed-off-by: Daniel Baumann --- src/test/ui-fulldeps/auxiliary/lint-plugin-test.rs | 35 ++++++++++++++++++++++ 1 file changed, 35 insertions(+) create mode 100644 src/test/ui-fulldeps/auxiliary/lint-plugin-test.rs (limited to 'src/test/ui-fulldeps/auxiliary/lint-plugin-test.rs') diff --git a/src/test/ui-fulldeps/auxiliary/lint-plugin-test.rs b/src/test/ui-fulldeps/auxiliary/lint-plugin-test.rs new file mode 100644 index 000000000..285754928 --- /dev/null +++ b/src/test/ui-fulldeps/auxiliary/lint-plugin-test.rs @@ -0,0 +1,35 @@ +// force-host + +#![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, LintPass}; +use rustc_ast as ast; +declare_lint!(TEST_LINT, Warn, "Warn about items named 'lintme'"); + +declare_lint_pass!(Pass => [TEST_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, |lint| { + lint.build("item is named 'lintme'").set_span(it.span).emit(); + }); + } + } +} + +#[no_mangle] +fn __rustc_plugin_registrar(reg: &mut Registry) { + reg.lint_store.register_lints(&[&TEST_LINT]); + reg.lint_store.register_early_pass(|| Box::new(Pass)); +} -- cgit v1.2.3