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 --- .../ui-fulldeps/auxiliary/issue-40001-plugin.rs | 57 ++++++++++++++++++++++ 1 file changed, 57 insertions(+) create mode 100644 src/test/ui-fulldeps/auxiliary/issue-40001-plugin.rs (limited to 'src/test/ui-fulldeps/auxiliary/issue-40001-plugin.rs') diff --git a/src/test/ui-fulldeps/auxiliary/issue-40001-plugin.rs b/src/test/ui-fulldeps/auxiliary/issue-40001-plugin.rs new file mode 100644 index 000000000..802b867a3 --- /dev/null +++ b/src/test/ui-fulldeps/auxiliary/issue-40001-plugin.rs @@ -0,0 +1,57 @@ +#![feature(plugin, rustc_private)] +#![crate_type = "dylib"] + +extern crate rustc_ast_pretty; +extern crate rustc_driver; +extern crate rustc_hir; +extern crate rustc_lint; +#[macro_use] +extern crate rustc_session; +extern crate rustc_ast; +extern crate rustc_span; + +use rustc_ast_pretty::pprust; +use rustc_driver::plugin::Registry; +use rustc_hir as hir; +use rustc_hir::intravisit; +use rustc_hir::Node; +use rustc_lint::{LateContext, LateLintPass, LintContext}; +use rustc_span::source_map; + +#[no_mangle] +fn __rustc_plugin_registrar(reg: &mut Registry) { + reg.lint_store.register_lints(&[&MISSING_ALLOWED_ATTR]); + reg.lint_store.register_late_pass(|| Box::new(MissingAllowedAttrPass)); +} + +declare_lint! { + MISSING_ALLOWED_ATTR, + Deny, + "Checks for missing `allowed_attr` attribute" +} + +declare_lint_pass!(MissingAllowedAttrPass => [MISSING_ALLOWED_ATTR]); + +impl<'tcx> LateLintPass<'tcx> for MissingAllowedAttrPass { + fn check_fn( + &mut self, + cx: &LateContext<'tcx>, + _: intravisit::FnKind<'tcx>, + _: &'tcx hir::FnDecl, + _: &'tcx hir::Body, + span: source_map::Span, + id: hir::HirId, + ) { + let item = match cx.tcx.hir().get(id) { + Node::Item(item) => item, + _ => cx.tcx.hir().expect_item(cx.tcx.hir().get_parent_item(id)), + }; + + let allowed = |attr| pprust::attribute_to_string(attr).contains("allowed_attr"); + if !cx.tcx.hir().attrs(item.hir_id()).iter().any(allowed) { + cx.lint(MISSING_ALLOWED_ATTR, |lint| { + lint.build("Missing 'allowed_attr' attribute").set_span(span).emit(); + }); + } + } +} -- cgit v1.2.3