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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-for-crate.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-for-crate.rs')
-rw-r--r-- | src/test/ui-fulldeps/auxiliary/lint-for-crate.rs | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/src/test/ui-fulldeps/auxiliary/lint-for-crate.rs b/src/test/ui-fulldeps/auxiliary/lint-for-crate.rs new file mode 100644 index 000000000..29d0abfbe --- /dev/null +++ b/src/test/ui-fulldeps/auxiliary/lint-for-crate.rs @@ -0,0 +1,43 @@ +// force-host + +#![feature(rustc_private)] + +extern crate rustc_driver; +extern crate rustc_hir; +#[macro_use] +extern crate rustc_lint; +#[macro_use] +extern crate rustc_session; +extern crate rustc_ast; +extern crate rustc_span; + +use rustc_driver::plugin::Registry; +use rustc_lint::{LateContext, LateLintPass, LintContext}; +use rustc_span::def_id::CRATE_DEF_ID; +use rustc_span::symbol::Symbol; + +declare_lint! { + CRATE_NOT_OKAY, + Warn, + "crate not marked with #![crate_okay]" +} + +declare_lint_pass!(Pass => [CRATE_NOT_OKAY]); + +impl<'tcx> LateLintPass<'tcx> for Pass { + fn check_crate(&mut self, cx: &LateContext) { + let attrs = cx.tcx.hir().attrs(rustc_hir::CRATE_HIR_ID); + let span = cx.tcx.def_span(CRATE_DEF_ID); + if !cx.sess().contains_name(attrs, Symbol::intern("crate_okay")) { + cx.lint(CRATE_NOT_OKAY, |lint| { + lint.build("crate is not marked with #![crate_okay]").set_span(span).emit(); + }); + } + } +} + +#[no_mangle] +fn __rustc_plugin_registrar(reg: &mut Registry) { + reg.lint_store.register_lints(&[&CRATE_NOT_OKAY]); + reg.lint_store.register_late_pass(|| Box::new(Pass)); +} |