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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:02:58 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:02:58 +0000 |
commit | 698f8c2f01ea549d77d7dc3338a12e04c11057b9 (patch) | |
tree | 173a775858bd501c378080a10dca74132f05bc50 /src/test/ui-fulldeps/auxiliary/lint-plugin-test.rs | |
parent | Initial commit. (diff) | |
download | rustc-698f8c2f01ea549d77d7dc3338a12e04c11057b9.tar.xz rustc-698f8c2f01ea549d77d7dc3338a12e04c11057b9.zip |
Adding upstream version 1.64.0+dfsg1.upstream/1.64.0+dfsg1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/test/ui-fulldeps/auxiliary/lint-plugin-test.rs')
-rw-r--r-- | src/test/ui-fulldeps/auxiliary/lint-plugin-test.rs | 35 |
1 files changed, 35 insertions, 0 deletions
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)); +} |