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privacy: port "in public interface" diag

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Signed-off-by: David Wood <david.wood@huawei.com>
This commit is contained in:
David Wood
2022-06-22 14:11:39 +01:00
parent 0557d02a9d
commit 74f3a965f4
3 changed files with 60 additions and 12 deletions
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40
compiler/rustc_privacy/src/lib.rs
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@@ -11,7 +11,6 @@ use rustc_ast::MacroDef;
use rustc_attr as attr;
use rustc_data_structures::fx::FxHashSet;
use rustc_data_structures::intern::Interned;
use rustc_errors::struct_span_err;
use rustc_hir as hir;
use rustc_hir::def::{DefKind, Res};
use rustc_hir::def_id::{DefId, LocalDefId, LocalDefIdSet, CRATE_DEF_ID};
@@ -36,7 +35,10 @@ use std::marker::PhantomData;
use std::ops::ControlFlow;
use std::{cmp, fmt, mem};
use errors::{FieldIsPrivate, FieldIsPrivateLabel, ItemIsPrivate, UnnamedItemIsPrivate};
use errors::{
FieldIsPrivate, FieldIsPrivateLabel, InPublicInterface, InPublicInterfaceTraits, ItemIsPrivate,
UnnamedItemIsPrivate,
};
////////////////////////////////////////////////////////////////////////////////
/// Generic infrastructure used to implement specific visitors below.
@@ -1748,22 +1750,31 @@ impl SearchInterfaceForPrivateItemsVisitor<'_> {
}
}
};
let make_msg = || format!("{} {} `{}` in public interface", vis_descr, kind, descr);
let span = self.tcx.def_span(self.item_def_id.to_def_id());
if self.has_old_errors
|| self.in_assoc_ty
|| self.tcx.resolutions(()).has_pub_restricted
{
let mut err = if kind == "trait" {
struct_span_err!(self.tcx.sess, span, E0445, "{}", make_msg())
} else {
struct_span_err!(self.tcx.sess, span, E0446, "{}", make_msg())
};
let descr = descr.to_string();
let vis_span =
self.tcx.sess.source_map().guess_head_span(self.tcx.def_span(def_id));
err.span_label(span, format!("can't leak {} {}", vis_descr, kind));
err.span_label(vis_span, format!("`{}` declared as {}", descr, vis_descr));
err.emit();
if kind == "trait" {
self.tcx.sess.emit_err(InPublicInterfaceTraits {
span,
vis_descr,
kind,
descr,
vis_span,
});
} else {
self.tcx.sess.emit_err(InPublicInterface {
span,
vis_descr,
kind,
descr,
vis_span,
});
}
} else {
let err_code = if kind == "trait" { "E0445" } else { "E0446" };
self.tcx.struct_span_lint_hir(
@@ -1771,7 +1782,12 @@ impl SearchInterfaceForPrivateItemsVisitor<'_> {
hir_id,
span,
|lint| {
lint.build(&format!("{} (error {})", make_msg(), err_code)).emit();
lint.build(&format!(
"{} (error {})",
format!("{} {} `{}` in public interface", vis_descr, kind, descr),
err_code
))
.emit();
},
);
}