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Auto merge of #120843 - matthiaskrgr:rollup-med37z5, r=matthiaskrgr

Browse Source 
Rollup of 8 pull requests

Successful merges:

 - #113671 (Make privacy visitor use types more (instead of HIR))
 - #120308 (core/time: avoid divisions in Duration::new)
 - #120693 (Invert diagnostic lints.)
 - #120704 (A drive-by rewrite of `give_region_a_name()`)
 - #120809 (Use `transmute_unchecked` in `NonZero::new`.)
 - #120817 (Fix more `ty::Error` ICEs in MIR passes)
 - #120828 (Fix `ErrorGuaranteed` unsoundness with stash/steal.)
 - #120831 (Startup objects disappearing from sysroot)

r? `@ghost`
`@rustbot` modify labels: rollup
This commit is contained in:
bors 2024-02-09 15:34:48 +00:00
commit e28fae52d9
155 changed files with 674 additions and 840 deletions
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1
Cargo.lock
View File

@ -4374,6 +4374,7 @@ dependencies = [
"rustc_middle",
"rustc_session",
"rustc_span",
"rustc_ty_utils",
"tracing",
]

2
compiler/rustc_arena/src/lib.rs
View File

@ -22,8 +22,6 @@
#![cfg_attr(test, feature(test))]
#![feature(strict_provenance)]
#![deny(unsafe_op_in_unsafe_fn)]
#![deny(rustc::untranslatable_diagnostic)]
#![deny(rustc::diagnostic_outside_of_impl)]
#![allow(internal_features)]
#![allow(clippy::mut_from_ref)] // Arena allocators are one of the places where this pattern is fine.

2
compiler/rustc_ast/src/lib.rs
View File

@ -18,8 +18,6 @@
#![feature(min_specialization)]
#![feature(negative_impls)]
#![feature(stmt_expr_attributes)]
#![deny(rustc::untranslatable_diagnostic)]
#![deny(rustc::diagnostic_outside_of_impl)]
#[macro_use]
extern crate rustc_macros;

2
compiler/rustc_ast_lowering/src/lib.rs
View File

@ -36,8 +36,6 @@
#![feature(assert_matches)]
#![feature(box_patterns)]
#![feature(let_chains)]
#![deny(rustc::untranslatable_diagnostic)]
#![deny(rustc::diagnostic_outside_of_impl)]
#[macro_use]
extern crate tracing;

2
compiler/rustc_ast_passes/src/lib.rs
View File

@ -11,8 +11,6 @@
#![feature(if_let_guard)]
#![feature(iter_is_partitioned)]
#![feature(let_chains)]
#![deny(rustc::untranslatable_diagnostic)]
#![deny(rustc::diagnostic_outside_of_impl)]
pub mod ast_validation;
mod errors;

2
compiler/rustc_ast_pretty/src/lib.rs
View File

@ -1,8 +1,6 @@
#![allow(internal_features)]
#![feature(rustdoc_internals)]
#![doc(rust_logo)]
#![deny(rustc::untranslatable_diagnostic)]
#![deny(rustc::diagnostic_outside_of_impl)]
#![feature(box_patterns)]
mod helpers;

2
compiler/rustc_attr/src/lib.rs
View File

@ -8,8 +8,6 @@
#![feature(rustdoc_internals)]
#![doc(rust_logo)]
#![feature(let_chains)]
#![deny(rustc::untranslatable_diagnostic)]
#![deny(rustc::diagnostic_outside_of_impl)]
#[macro_use]
extern crate rustc_macros;

2
compiler/rustc_borrowck/src/borrow_set.rs
View File

@ -1,5 +1,3 @@
#![deny(rustc::untranslatable_diagnostic)]
#![deny(rustc::diagnostic_outside_of_impl)]
use crate::path_utils::allow_two_phase_borrow;
use crate::place_ext::PlaceExt;
use crate::BorrowIndex;

3
compiler/rustc_borrowck/src/borrowck_errors.rs
View File

@ -1,3 +1,6 @@
#![allow(rustc::diagnostic_outside_of_impl)]
#![allow(rustc::untranslatable_diagnostic)]
use rustc_errors::{codes::*, struct_span_code_err, DiagCtxt, DiagnosticBuilder};
use rustc_middle::ty::{self, Ty, TyCtxt};
use rustc_span::Span;

3
compiler/rustc_borrowck/src/constraints/mod.rs
View File

@ -1,6 +1,3 @@
#![deny(rustc::untranslatable_diagnostic)]
#![deny(rustc::diagnostic_outside_of_impl)]
use rustc_data_structures::graph::scc::Sccs;
use rustc_index::{IndexSlice, IndexVec};
use rustc_middle::mir::ConstraintCategory;

2
compiler/rustc_borrowck/src/consumers.rs
View File

@ -1,5 +1,3 @@
#![deny(rustc::untranslatable_diagnostic)]
#![deny(rustc::diagnostic_outside_of_impl)]
//! This file provides API for compiler consumers.
use rustc_hir::def_id::LocalDefId;

2
compiler/rustc_borrowck/src/dataflow.rs
View File

@ -1,5 +1,3 @@
#![deny(rustc::untranslatable_diagnostic)]
#![deny(rustc::diagnostic_outside_of_impl)]
use rustc_data_structures::fx::FxIndexMap;
use rustc_data_structures::graph::WithSuccessors;
use rustc_index::bit_set::BitSet;

2
compiler/rustc_borrowck/src/def_use.rs
View File

@ -1,5 +1,3 @@
#![deny(rustc::untranslatable_diagnostic)]
#![deny(rustc::diagnostic_outside_of_impl)]
use rustc_middle::mir::visit::{
MutatingUseContext, NonMutatingUseContext, NonUseContext, PlaceContext,
};

3
compiler/rustc_borrowck/src/diagnostics/bound_region_errors.rs
View File

@ -1,6 +1,3 @@
#![deny(rustc::untranslatable_diagnostic)]
#![deny(rustc::diagnostic_outside_of_impl)]
use rustc_errors::DiagnosticBuilder;
use rustc_infer::infer::canonical::Canonical;
use rustc_infer::infer::error_reporting::nice_region_error::NiceRegionError;

3
compiler/rustc_borrowck/src/diagnostics/conflict_errors.rs
View File

@ -1,5 +1,8 @@
// ignore-tidy-filelength
#![allow(rustc::diagnostic_outside_of_impl)]
#![allow(rustc::untranslatable_diagnostic)]
use either::Either;
use rustc_data_structures::captures::Captures;
use rustc_data_structures::fx::FxIndexSet;

3
compiler/rustc_borrowck/src/diagnostics/explain_borrow.rs
View File

@ -1,5 +1,8 @@
//! Print diagnostics to explain why values are borrowed.
#![allow(rustc::diagnostic_outside_of_impl)]
#![allow(rustc::untranslatable_diagnostic)]
use rustc_errors::{Applicability, Diagnostic};
use rustc_hir as hir;
use rustc_hir::intravisit::Visitor;

3
compiler/rustc_borrowck/src/diagnostics/find_all_local_uses.rs
View File

@ -1,6 +1,3 @@
#![deny(rustc::untranslatable_diagnostic)]
#![deny(rustc::diagnostic_outside_of_impl)]
use std::collections::BTreeSet;
use rustc_middle::mir::visit::{PlaceContext, Visitor};

3
compiler/rustc_borrowck/src/diagnostics/find_use.rs
View File

@ -1,6 +1,3 @@
#![deny(rustc::untranslatable_diagnostic)]
#![deny(rustc::diagnostic_outside_of_impl)]
use std::collections::VecDeque;
use std::rc::Rc;

3
compiler/rustc_borrowck/src/diagnostics/move_errors.rs
View File

@ -1,3 +1,6 @@
#![allow(rustc::diagnostic_outside_of_impl)]
#![allow(rustc::untranslatable_diagnostic)]
use rustc_errors::{Applicability, Diagnostic, DiagnosticBuilder};
use rustc_middle::mir::*;
use rustc_middle::ty::{self, Ty};

3
compiler/rustc_borrowck/src/diagnostics/mutability_errors.rs
View File

@ -1,3 +1,6 @@
#![allow(rustc::diagnostic_outside_of_impl)]
#![allow(rustc::untranslatable_diagnostic)]
use hir::ExprKind;
use rustc_errors::{Applicability, Diagnostic, DiagnosticBuilder};
use rustc_hir as hir;

3
compiler/rustc_borrowck/src/diagnostics/outlives_suggestion.rs
View File

@ -1,6 +1,9 @@
//! Contains utilities for generating suggestions for borrowck errors related to unsatisfied
//! outlives constraints.
#![allow(rustc::diagnostic_outside_of_impl)]
#![allow(rustc::untranslatable_diagnostic)]
use rustc_data_structures::fx::FxIndexSet;
use rustc_errors::Diagnostic;
use rustc_middle::ty::RegionVid;

2
compiler/rustc_borrowck/src/diagnostics/region_errors.rs
View File

@ -1,5 +1,3 @@
#![deny(rustc::untranslatable_diagnostic)]
#![deny(rustc::diagnostic_outside_of_impl)]
//! Error reporting machinery for lifetime errors.
use rustc_data_structures::fx::FxIndexSet;

63
compiler/rustc_borrowck/src/diagnostics/region_name.rs
View File

@ -1,6 +1,10 @@
#![allow(rustc::diagnostic_outside_of_impl)]
#![allow(rustc::untranslatable_diagnostic)]
use std::fmt::{self, Display};
use std::iter;
use rustc_data_structures::fx::IndexEntry;
use rustc_errors::Diagnostic;
use rustc_hir as hir;
use rustc_hir::def::{DefKind, Res};
@ -14,7 +18,7 @@ use crate::{universal_regions::DefiningTy, MirBorrowckCtxt};
/// A name for a particular region used in emitting diagnostics. This name could be a generated
/// name like `'1`, a name used by the user like `'a`, or a name like `'static`.
#[derive(Debug, Clone)]
#[derive(Debug, Clone, Copy)]
pub(crate) struct RegionName {
/// The name of the region (interned).
pub(crate) name: Symbol,
@ -25,7 +29,7 @@ pub(crate) struct RegionName {
/// Denotes the source of a region that is named by a `RegionName`. For example, a free region that
/// was named by the user would get `NamedLateParamRegion` and `'static` lifetime would get `Static`.
/// This helps to print the right kinds of diagnostics.
#[derive(Debug, Clone)]
#[derive(Debug, Clone, Copy)]
pub(crate) enum RegionNameSource {
/// A bound (not free) region that was instantiated at the def site (not an HRTB).
NamedEarlyParamRegion(Span),
@ -42,7 +46,7 @@ pub(crate) enum RegionNameSource {
/// The region corresponding to the return type of a closure.
AnonRegionFromOutput(RegionNameHighlight, &'static str),
/// The region from a type yielded by a coroutine.
AnonRegionFromYieldTy(Span, String),
AnonRegionFromYieldTy(Span, Symbol),
/// An anonymous region from an async fn.
AnonRegionFromAsyncFn(Span),
/// An anonymous region from an impl self type or trait
@ -51,7 +55,7 @@ pub(crate) enum RegionNameSource {
/// Describes what to highlight to explain to the user that we're giving an anonymous region a
/// synthesized name, and how to highlight it.
#[derive(Debug, Clone)]
#[derive(Debug, Clone, Copy)]
pub(crate) enum RegionNameHighlight {
/// The anonymous region corresponds to a reference that was found by traversing the type in the HIR.
MatchedHirTy(Span),
@ -59,11 +63,11 @@ pub(crate) enum RegionNameHighlight {
MatchedAdtAndSegment(Span),
/// The anonymous region corresponds to a region where the type annotation is completely missing
/// from the code, e.g. in a closure arguments `|x| { ... }`, where `x` is a reference.
CannotMatchHirTy(Span, String),
CannotMatchHirTy(Span, Symbol),
/// The anonymous region corresponds to a region where the type annotation is completely missing
/// from the code, and *even if* we print out the full name of the type, the region name won't
/// be included. This currently occurs for opaque types like `impl Future`.
Occluded(Span, String),
Occluded(Span, Symbol),
}
impl RegionName {
@ -247,25 +251,28 @@ impl<'tcx> MirBorrowckCtxt<'_, 'tcx> {
assert!(self.regioncx.universal_regions().is_universal_region(fr));
if let Some(value) = self.region_names.try_borrow_mut().unwrap().get(&fr) {
return Some(value.clone());
match self.region_names.borrow_mut().entry(fr) {
IndexEntry::Occupied(precomputed_name) => Some(*precomputed_name.get()),
IndexEntry::Vacant(slot) => {
let new_name = self
.give_name_from_error_region(fr)
.or_else(|| self.give_name_if_anonymous_region_appears_in_arguments(fr))
.or_else(|| self.give_name_if_anonymous_region_appears_in_upvars(fr))
.or_else(|| self.give_name_if_anonymous_region_appears_in_output(fr))
.or_else(|| self.give_name_if_anonymous_region_appears_in_yield_ty(fr))
.or_else(|| self.give_name_if_anonymous_region_appears_in_impl_signature(fr))
.or_else(|| {
self.give_name_if_anonymous_region_appears_in_arg_position_impl_trait(fr)
});
if let Some(new_name) = new_name {
slot.insert(new_name);
}
debug!("give_region_a_name: gave name {:?}", new_name);
new_name
}
}
let value = self
.give_name_from_error_region(fr)
.or_else(|| self.give_name_if_anonymous_region_appears_in_arguments(fr))
.or_else(|| self.give_name_if_anonymous_region_appears_in_upvars(fr))
.or_else(|| self.give_name_if_anonymous_region_appears_in_output(fr))
.or_else(|| self.give_name_if_anonymous_region_appears_in_yield_ty(fr))
.or_else(|| self.give_name_if_anonymous_region_appears_in_impl_signature(fr))
.or_else(|| self.give_name_if_anonymous_region_appears_in_arg_position_impl_trait(fr));
if let Some(value) = &value {
self.region_names.try_borrow_mut().unwrap().insert(fr, value.clone());
}
debug!("give_region_a_name: gave name {:?}", value);
value
}
/// Checks for the case where `fr` maps to something that the
@ -457,9 +464,9 @@ impl<'tcx> MirBorrowckCtxt<'_, 'tcx> {
);
if type_name.contains(&format!("'{counter}")) {
// Only add a label if we can confirm that a region was labelled.
RegionNameHighlight::CannotMatchHirTy(span, type_name)
RegionNameHighlight::CannotMatchHirTy(span, Symbol::intern(&type_name))
} else {
RegionNameHighlight::Occluded(span, type_name)
RegionNameHighlight::Occluded(span, Symbol::intern(&type_name))
}
}
@ -888,7 +895,7 @@ impl<'tcx> MirBorrowckCtxt<'_, 'tcx> {
Some(RegionName {
name: self.synthesize_region_name(),
source: RegionNameSource::AnonRegionFromYieldTy(yield_span, type_name),
source: RegionNameSource::AnonRegionFromYieldTy(yield_span, Symbol::intern(&type_name)),
})
}
@ -980,7 +987,7 @@ impl<'tcx> MirBorrowckCtxt<'_, 'tcx> {
Some(RegionName {
name: region_name,
source: RegionNameSource::AnonRegionFromArgument(
RegionNameHighlight::CannotMatchHirTy(arg_span, arg_name?.to_string()),
RegionNameHighlight::CannotMatchHirTy(arg_span, arg_name?),
),
})
} else {

3
compiler/rustc_borrowck/src/diagnostics/var_name.rs
View File

@ -1,6 +1,3 @@
#![deny(rustc::untranslatable_diagnostic)]
#![deny(rustc::diagnostic_outside_of_impl)]
use crate::region_infer::RegionInferenceContext;
use rustc_index::IndexSlice;
use rustc_middle::mir::{Body, Local};

2
compiler/rustc_borrowck/src/facts.rs
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@ -1,5 +1,3 @@
#![deny(rustc::untranslatable_diagnostic)]
#![deny(rustc::diagnostic_outside_of_impl)]
use crate::location::{LocationIndex, LocationTable};
use crate::BorrowIndex;
use polonius_engine::AllFacts as PoloniusFacts;

2
compiler/rustc_borrowck/src/location.rs
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@ -1,5 +1,3 @@
#![deny(rustc::untranslatable_diagnostic)]
#![deny(rustc::diagnostic_outside_of_impl)]
use rustc_index::IndexVec;
use rustc_middle::mir::{BasicBlock, Body, Location};

2
compiler/rustc_borrowck/src/member_constraints.rs
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@ -1,5 +1,3 @@
#![deny(rustc::untranslatable_diagnostic)]
#![deny(rustc::diagnostic_outside_of_impl)]
use rustc_data_structures::captures::Captures;
use rustc_data_structures::fx::FxIndexMap;
use rustc_index::{IndexSlice, IndexVec};

2
compiler/rustc_borrowck/src/nll.rs
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@ -1,5 +1,3 @@
#![deny(rustc::untranslatable_diagnostic)]
#![deny(rustc::diagnostic_outside_of_impl)]
//! The entry point of the NLL borrow checker.
use polonius_engine::{Algorithm, Output};

2
compiler/rustc_borrowck/src/path_utils.rs
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@ -1,5 +1,3 @@
#![deny(rustc::untranslatable_diagnostic)]
#![deny(rustc::diagnostic_outside_of_impl)]
use crate::borrow_set::{BorrowData, BorrowSet, TwoPhaseActivation};
use crate::places_conflict;
use crate::AccessDepth;

2
compiler/rustc_borrowck/src/place_ext.rs
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@ -1,5 +1,3 @@
#![deny(rustc::untranslatable_diagnostic)]
#![deny(rustc::diagnostic_outside_of_impl)]
use crate::borrow_set::LocalsStateAtExit;
use rustc_hir as hir;
use rustc_middle::mir::ProjectionElem;

2
compiler/rustc_borrowck/src/places_conflict.rs
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@ -50,8 +50,6 @@
//! and either equal or disjoint.
//! - If we did run out of access, the borrow can access a part of it.
#![deny(rustc::untranslatable_diagnostic)]
#![deny(rustc::diagnostic_outside_of_impl)]
use crate::ArtificialField;
use crate::Overlap;
use crate::{AccessDepth, Deep, Shallow};

2
compiler/rustc_borrowck/src/polonius/loan_invalidations.rs
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@ -1,5 +1,3 @@
#![deny(rustc::untranslatable_diagnostic)]
#![deny(rustc::diagnostic_outside_of_impl)]
use rustc_data_structures::graph::dominators::Dominators;
use rustc_middle::mir::visit::Visitor;
use rustc_middle::mir::{self, BasicBlock, Body, Location, NonDivergingIntrinsic, Place, Rvalue};

2
compiler/rustc_borrowck/src/polonius/loan_kills.rs
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@ -1,5 +1,3 @@
#![deny(rustc::untranslatable_diagnostic)]
#![deny(rustc::diagnostic_outside_of_impl)]
use rustc_middle::mir::visit::Visitor;
use rustc_middle::mir::{
Body, Local, Location, Place, PlaceRef, ProjectionElem, Rvalue, Statement, StatementKind,

2
compiler/rustc_borrowck/src/prefixes.rs
View File

@ -1,5 +1,3 @@
#![deny(rustc::untranslatable_diagnostic)]
#![deny(rustc::diagnostic_outside_of_impl)]
//! From the NLL RFC: "The deep [aka 'supporting'] prefixes for an
//! place are formed by stripping away fields and derefs, except that
//! we stop when we reach the deref of a shared reference. [...] "

2
compiler/rustc_borrowck/src/region_infer/dump_mir.rs
View File

@ -1,5 +1,3 @@
#![deny(rustc::untranslatable_diagnostic)]
#![deny(rustc::diagnostic_outside_of_impl)]
//! As part of generating the regions, if you enable `-Zdump-mir=nll`,
//! we will generate an annotated copy of the MIR that includes the
//! state of region inference. This code handles emitting the region

2
compiler/rustc_borrowck/src/region_infer/graphviz.rs
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@ -1,5 +1,3 @@
#![deny(rustc::untranslatable_diagnostic)]
#![deny(rustc::diagnostic_outside_of_impl)]
//! This module provides linkage between RegionInferenceContext and
//! `rustc_graphviz` traits, specialized to attaching borrowck analysis
//! data to rendered labels.

2
compiler/rustc_borrowck/src/region_infer/opaque_types.rs
View File

@ -418,6 +418,8 @@ fn check_opaque_type_parameter_valid(
.into_iter()
.map(|i| tcx.def_span(opaque_generics.param_at(i, tcx).def_id))
.collect();
#[allow(rustc::diagnostic_outside_of_impl)]
#[allow(rustc::untranslatable_diagnostic)]
return Err(tcx
.dcx()
.struct_span_err(span, "non-defining opaque type use in defining scope")

2
compiler/rustc_borrowck/src/region_infer/reverse_sccs.rs
View File

@ -1,5 +1,3 @@
#![deny(rustc::untranslatable_diagnostic)]
#![deny(rustc::diagnostic_outside_of_impl)]
use crate::constraints::ConstraintSccIndex;
use crate::RegionInferenceContext;
use itertools::Itertools;

2
compiler/rustc_borrowck/src/region_infer/values.rs
View File

@ -1,5 +1,3 @@
#![deny(rustc::untranslatable_diagnostic)]
#![deny(rustc::diagnostic_outside_of_impl)]
use rustc_data_structures::fx::FxHashSet;
use rustc_data_structures::fx::FxIndexSet;
use rustc_index::bit_set::SparseBitMatrix;

2
compiler/rustc_borrowck/src/renumber.rs
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@ -1,5 +1,3 @@
#![deny(rustc::untranslatable_diagnostic)]
#![deny(rustc::diagnostic_outside_of_impl)]
use crate::BorrowckInferCtxt;
use rustc_index::IndexSlice;
use rustc_infer::infer::NllRegionVariableOrigin;

2
compiler/rustc_borrowck/src/type_check/mod.rs
View File

@ -1,5 +1,3 @@
#![deny(rustc::untranslatable_diagnostic)]
#![deny(rustc::diagnostic_outside_of_impl)]
//! This pass type-checks the MIR to ensure it is not broken.
use std::rc::Rc;

3
compiler/rustc_borrowck/src/universal_regions.rs
View File

@ -12,6 +12,9 @@
//! The code in this file doesn't *do anything* with those results; it
//! just returns them for other code to use.
#![allow(rustc::diagnostic_outside_of_impl)]
#![allow(rustc::untranslatable_diagnostic)]
use rustc_data_structures::fx::FxHashMap;
use rustc_errors::Diagnostic;
use rustc_hir::def_id::{DefId, LocalDefId};

2
compiler/rustc_borrowck/src/used_muts.rs
View File

@ -1,5 +1,3 @@
#![deny(rustc::untranslatable_diagnostic)]
#![deny(rustc::diagnostic_outside_of_impl)]
use rustc_data_structures::fx::FxIndexSet;
use rustc_middle::mir::visit::{PlaceContext, Visitor};
use rustc_middle::mir::{

2
compiler/rustc_builtin_macros/src/lib.rs
View File

@ -2,6 +2,8 @@
//! injecting code into the crate before it is lowered to HIR.
#![allow(internal_features)]
#![allow(rustc::diagnostic_outside_of_impl)]
#![allow(rustc::untranslatable_diagnostic)]
#![feature(rustdoc_internals)]
#![doc(rust_logo)]
#![doc(html_root_url = "https://doc.rust-lang.org/nightly/nightly-rustc/")]

2
compiler/rustc_codegen_cranelift/src/lib.rs
View File

@ -3,6 +3,8 @@
#![cfg_attr(doc, doc(rust_logo))]
#![feature(rustc_private)]
// Note: please avoid adding other feature gates where possible
#![allow(rustc::diagnostic_outside_of_impl)]
#![allow(rustc::untranslatable_diagnostic)]
#![warn(rust_2018_idioms)]
#![warn(unused_lifetimes)]
#![warn(unreachable_pub)]

2
compiler/rustc_codegen_gcc/src/lib.rs
View File

@ -27,8 +27,6 @@
#![recursion_limit="256"]
#![warn(rust_2018_idioms)]
#![warn(unused_lifetimes)]
#![deny(rustc::untranslatable_diagnostic)]
#![deny(rustc::diagnostic_outside_of_impl)]
extern crate rustc_apfloat;
extern crate rustc_ast;

2
compiler/rustc_codegen_llvm/src/lib.rs
View File

@ -15,8 +15,6 @@
#![feature(let_chains)]
#![feature(min_specialization)]
#![feature(impl_trait_in_assoc_type)]
#![deny(rustc::untranslatable_diagnostic)]
#![deny(rustc::diagnostic_outside_of_impl)]
#[macro_use]
extern crate rustc_macros;

2
compiler/rustc_codegen_ssa/src/lib.rs
View File

@ -2,6 +2,8 @@
#![doc(rust_logo)]
#![feature(rustdoc_internals)]
#![allow(internal_features)]
#![allow(rustc::diagnostic_outside_of_impl)]
#![allow(rustc::untranslatable_diagnostic)]
#![feature(associated_type_bounds)]
#![feature(box_patterns)]
#![feature(if_let_guard)]

2
compiler/rustc_const_eval/src/lib.rs
View File

@ -5,9 +5,9 @@ Rust MIR: a lowered representation of Rust.
*/
#![allow(internal_features)]
#![allow(rustc::diagnostic_outside_of_impl)]
#![feature(rustdoc_internals)]
#![doc(rust_logo)]
#![deny(rustc::untranslatable_diagnostic)]
#![feature(assert_matches)]
#![feature(box_patterns)]
#![feature(decl_macro)]

2
compiler/rustc_const_eval/src/transform/validate.rs
View File

@ -60,6 +60,8 @@ impl<'tcx> MirPass<'tcx> for Validator {
ty::Closure(..) => Abi::RustCall,
ty::CoroutineClosure(..) => Abi::RustCall,
ty::Coroutine(..) => Abi::Rust,
// No need to do MIR validation on error bodies
ty::Error(_) => return,
_ => {
span_bug!(body.span, "unexpected body ty: {:?} phase {:?}", body_ty, mir_phase)
}

2
compiler/rustc_data_structures/src/lib.rs
View File

@ -11,8 +11,6 @@
#![allow(rustc::default_hash_types)]
#![allow(rustc::potential_query_instability)]
#![cfg_attr(not(parallel_compiler), feature(cell_leak))]
#![deny(rustc::diagnostic_outside_of_impl)]
#![deny(rustc::untranslatable_diagnostic)]
#![deny(unsafe_op_in_unsafe_fn)]
#![doc(html_root_url = "https://doc.rust-lang.org/nightly/nightly-rustc/")]
#![doc(rust_logo)]

2
compiler/rustc_driver_impl/src/lib.rs
View File

@ -12,8 +12,6 @@
#![feature(let_chains)]
#![feature(panic_update_hook)]
#![feature(result_flattening)]
#![deny(rustc::untranslatable_diagnostic)]
#![deny(rustc::diagnostic_outside_of_impl)]
#[macro_use]
extern crate tracing;

2
compiler/rustc_error_codes/src/lib.rs
View File

@ -5,8 +5,6 @@
#![feature(rustdoc_internals)]
#![doc(rust_logo)]
#![deny(rustdoc::invalid_codeblock_attributes)]
#![deny(rustc::untranslatable_diagnostic)]
#![deny(rustc::diagnostic_outside_of_impl)]
// This higher-order macro defines the error codes that are in use. It is used
// in the `rustc_errors` crate. Removed error codes are listed in the comment

2
compiler/rustc_error_messages/src/lib.rs
View File

@ -3,8 +3,6 @@
#![feature(lazy_cell)]
#![feature(rustc_attrs)]
#![feature(type_alias_impl_trait)]
#![deny(rustc::untranslatable_diagnostic)]
#![deny(rustc::diagnostic_outside_of_impl)]
#![allow(internal_features)]
#[macro_use]

47
compiler/rustc_errors/src/lib.rs
View File

@ -5,6 +5,8 @@
// tidy-alphabetical-start
#![allow(incomplete_features)]
#![allow(internal_features)]
#![allow(rustc::diagnostic_outside_of_impl)]
#![allow(rustc::untranslatable_diagnostic)]
#![doc(html_root_url = "https://doc.rust-lang.org/nightly/nightly-rustc/")]
#![doc(rust_logo)]
#![feature(array_windows)]
@ -431,6 +433,10 @@ struct DiagCtxtInner {
/// The number of non-lint errors that have been emitted, including duplicates.
err_count: usize,
/// The number of stashed errors. Unlike the other counts, this can go up
/// and down, so it doesn't guarantee anything.
stashed_err_count: usize,
/// The error count shown to the user at the end.
deduplicated_err_count: usize,
/// The warning count shown to the user at the end.
@ -600,6 +606,7 @@ impl DiagCtxt {
flags: DiagCtxtFlags { can_emit_warnings: true, ..Default::default() },
lint_err_count: 0,
err_count: 0,
stashed_err_count: 0,
deduplicated_err_count: 0,
deduplicated_warn_count: 0,
has_printed: false,
@ -656,6 +663,7 @@ impl DiagCtxt {
let mut inner = self.inner.borrow_mut();
inner.lint_err_count = 0;
inner.err_count = 0;
inner.stashed_err_count = 0;
inner.deduplicated_err_count = 0;
inner.deduplicated_warn_count = 0;
inner.has_printed = false;
@ -677,10 +685,8 @@ impl DiagCtxt {
let key = (span.with_parent(None), key);
if diag.is_error() {
if diag.is_lint.is_some() {
inner.lint_err_count += 1;
} else {
inner.err_count += 1;
if diag.is_lint.is_none() {
inner.stashed_err_count += 1;
}
}
@ -696,10 +702,8 @@ impl DiagCtxt {
let key = (span.with_parent(None), key);
let diag = inner.stashed_diagnostics.remove(&key)?;
if diag.is_error() {
if diag.is_lint.is_some() {
inner.lint_err_count -= 1;
} else {
inner.err_count -= 1;
if diag.is_lint.is_none() {
inner.stashed_err_count -= 1;
}
}
Some(DiagnosticBuilder::new_diagnostic(self, diag))
@ -925,13 +929,22 @@ impl DiagCtxt {
self.struct_bug(msg).emit()
}
/// This excludes lint errors and delayed bugs.
/// This excludes lint errors, delayed bugs, and stashed errors.
#[inline]
pub fn err_count(&self) -> usize {
self.inner.borrow().err_count
}
/// This excludes lint errors and delayed bugs.
/// This excludes normal errors, lint errors and delayed bugs. Unless
/// absolutely necessary, avoid using this. It's dubious because stashed
/// errors can later be cancelled, so the presence of a stashed error at
/// some point of time doesn't guarantee anything -- there are no
/// `ErrorGuaranteed`s here.
pub fn stashed_err_count(&self) -> usize {
self.inner.borrow().stashed_err_count
}
/// This excludes lint errors, delayed bugs, and stashed errors.
pub fn has_errors(&self) -> Option<ErrorGuaranteed> {
self.inner.borrow().has_errors().then(|| {
// FIXME(nnethercote) find a way to store an `ErrorGuaranteed`.
@ -940,8 +953,8 @@ impl DiagCtxt {
})
}
/// This excludes delayed bugs. Unless absolutely necessary, prefer
/// `has_errors` to this method.
/// This excludes delayed bugs and stashed errors. Unless absolutely
/// necessary, prefer `has_errors` to this method.
pub fn has_errors_or_lint_errors(&self) -> Option<ErrorGuaranteed> {
let inner = self.inner.borrow();
let result = inner.has_errors() || inner.lint_err_count > 0;
@ -952,8 +965,8 @@ impl DiagCtxt {
})
}
/// Unless absolutely necessary, prefer `has_errors` or
/// `has_errors_or_lint_errors` to this method.
/// This excludes stashed errors. Unless absolutely necessary, prefer
/// `has_errors` or `has_errors_or_lint_errors` to this method.
pub fn has_errors_or_lint_errors_or_delayed_bugs(&self) -> Option<ErrorGuaranteed> {
let inner = self.inner.borrow();
let result =
@ -1227,10 +1240,8 @@ impl DiagCtxtInner {
for (_, diag) in std::mem::take(&mut self.stashed_diagnostics).into_iter() {
// Decrement the count tracking the stash; emitting will increment it.
if diag.is_error() {
if diag.is_lint.is_some() {
self.lint_err_count -= 1;
} else {
self.err_count -= 1;
if diag.is_lint.is_none() {
self.stashed_err_count -= 1;
}
} else {
// Unless they're forced, don't flush stashed warnings when

2
compiler/rustc_expand/src/base.rs
View File

@ -1,5 +1,3 @@
#![deny(rustc::untranslatable_diagnostic)]
use crate::base::ast::NestedMetaItem;
use crate::errors;
use crate::expand::{self, AstFragment, Invocation};

2
compiler/rustc_expand/src/lib.rs
View File

@ -10,7 +10,7 @@
#![feature(proc_macro_internals)]
#![feature(proc_macro_span)]
#![feature(try_blocks)]
#![deny(rustc::untranslatable_diagnostic)]
#![allow(rustc::diagnostic_outside_of_impl)]
#![allow(internal_features)]
#[macro_use]

2
compiler/rustc_feature/src/lib.rs
View File

@ -15,8 +15,6 @@
#![feature(rustdoc_internals)]
#![doc(rust_logo)]
#![feature(lazy_cell)]
#![deny(rustc::untranslatable_diagnostic)]
#![deny(rustc::diagnostic_outside_of_impl)]
mod accepted;
mod builtin_attrs;

2
compiler/rustc_fluent_macro/src/lib.rs
View File

@ -4,8 +4,6 @@
#![feature(rustdoc_internals)]
#![feature(proc_macro_diagnostic)]
#![feature(proc_macro_span)]
#![deny(rustc::untranslatable_diagnostic)]
#![deny(rustc::diagnostic_outside_of_impl)]
#![allow(rustc::default_hash_types)]
use proc_macro::TokenStream;

2
compiler/rustc_fs_util/src/lib.rs
View File

@ -1,6 +1,4 @@
#![feature(absolute_path)]
#![deny(rustc::untranslatable_diagnostic)]
#![deny(rustc::diagnostic_outside_of_impl)]
use std::ffi::CString;
use std::fs;

2
compiler/rustc_graphviz/src/lib.rs
View File

@ -276,8 +276,6 @@
#![feature(rustdoc_internals)]
#![doc(rust_logo)]
#![allow(internal_features)]
#![deny(rustc::untranslatable_diagnostic)]
#![deny(rustc::diagnostic_outside_of_impl)]
use LabelText::*;

2
compiler/rustc_hir/src/lib.rs
View File

@ -9,8 +9,6 @@
#![feature(never_type)]
#![feature(rustc_attrs)]
#![feature(variant_count)]
#![deny(rustc::untranslatable_diagnostic)]
#![deny(rustc::diagnostic_outside_of_impl)]
#![allow(internal_features)]
#[macro_use]

2
compiler/rustc_hir_analysis/src/lib.rs
View File

@ -55,7 +55,9 @@ This API is completely unstable and subject to change.
*/
#![allow(rustc::diagnostic_outside_of_impl)]
#![allow(rustc::potential_query_instability)]
#![allow(rustc::untranslatable_diagnostic)]
#![doc(html_root_url = "https://doc.rust-lang.org/nightly/nightly-rustc/")]
#![doc(rust_logo)]
#![feature(rustdoc_internals)]

2
compiler/rustc_hir_pretty/src/lib.rs
View File

@ -2,8 +2,6 @@
//! the definitions in this file have equivalents in `rustc_ast_pretty`.
#![recursion_limit = "256"]
#![deny(rustc::untranslatable_diagnostic)]
#![deny(rustc::diagnostic_outside_of_impl)]
use rustc_ast as ast;
use rustc_ast::util::parser::{self, AssocOp, Fixity};

2
compiler/rustc_hir_typeck/src/lib.rs
View File

@ -1,3 +1,5 @@
#![allow(rustc::diagnostic_outside_of_impl)]
#![allow(rustc::untranslatable_diagnostic)]
#![feature(if_let_guard)]
#![feature(let_chains)]
#![feature(try_blocks)]

14
compiler/rustc_hir_typeck/src/writeback.rs
View File

@ -753,10 +753,14 @@ impl<'cx, 'tcx> Resolver<'cx, 'tcx> {
}
fn report_error(&self, p: impl Into<ty::GenericArg<'tcx>>) -> ErrorGuaranteed {
match self.fcx.dcx().has_errors() {
Some(e) => e,
None => self
.fcx
if let Some(guar) = self.fcx.dcx().has_errors() {
guar
} else if self.fcx.dcx().stashed_err_count() > 0 {
// Without this case we sometimes get uninteresting and extraneous
// "type annotations needed" errors.
self.fcx.dcx().delayed_bug("error in Resolver")
} else {
self.fcx
.err_ctxt()
.emit_inference_failure_err(
self.fcx.tcx.hir().body_owner_def_id(self.body.id()),
@ -765,7 +769,7 @@ impl<'cx, 'tcx> Resolver<'cx, 'tcx> {
E0282,
false,
)
.emit(),
.emit()
}
}

2
compiler/rustc_incremental/src/lib.rs
View File

@ -5,8 +5,6 @@
#![doc(rust_logo)]
#![feature(rustdoc_internals)]
#![allow(internal_features)]
#![deny(rustc::untranslatable_diagnostic)]
#![deny(rustc::diagnostic_outside_of_impl)]
#[macro_use]
extern crate rustc_middle;

2
compiler/rustc_index/src/lib.rs
View File

@ -1,5 +1,3 @@
#![deny(rustc::untranslatable_diagnostic)]
#![deny(rustc::diagnostic_outside_of_impl)]
#![cfg_attr(
feature = "nightly",
feature(extend_one, min_specialization, new_uninit, step_trait, test)

1
compiler/rustc_infer/src/infer/at.rs
View File

@ -87,6 +87,7 @@ impl<'tcx> InferCtxt<'tcx> {
reported_signature_mismatch: self.reported_signature_mismatch.clone(),
tainted_by_errors: self.tainted_by_errors.clone(),
err_count_on_creation: self.err_count_on_creation,
stashed_err_count_on_creation: self.stashed_err_count_on_creation,
universe: self.universe.clone(),
intercrate,
next_trait_solver: self.next_trait_solver,

43
compiler/rustc_infer/src/infer/mod.rs
View File

@ -306,6 +306,12 @@ pub struct InferCtxt<'tcx> {
// FIXME(matthewjasper) Merge into `tainted_by_errors`
err_count_on_creation: usize,
/// Track how many errors were stashed when this infcx is created.
/// Used for the same purpose as `err_count_on_creation`, even
/// though it's weaker because the count can go up and down.
// FIXME(matthewjasper) Merge into `tainted_by_errors`
stashed_err_count_on_creation: usize,
/// What is the innermost universe we have created? Starts out as
/// `UniverseIndex::root()` but grows from there as we enter
/// universal quantifiers.
@ -711,6 +717,7 @@ impl<'tcx> InferCtxtBuilder<'tcx> {
reported_signature_mismatch: Default::default(),
tainted_by_errors: Cell::new(None),
err_count_on_creation: tcx.dcx().err_count(),
stashed_err_count_on_creation: tcx.dcx().stashed_err_count(),
universe: Cell::new(ty::UniverseIndex::ROOT),
intercrate,
next_trait_solver,
@ -1262,26 +1269,24 @@ impl<'tcx> InferCtxt<'tcx> {
/// inference variables, regionck errors).
#[must_use = "this method does not have any side effects"]
pub fn tainted_by_errors(&self) -> Option<ErrorGuaranteed> {
debug!(
"is_tainted_by_errors(err_count={}, err_count_on_creation={}, \
tainted_by_errors={})",
self.dcx().err_count(),
self.err_count_on_creation,
self.tainted_by_errors.get().is_some()
);
if let Some(e) = self.tainted_by_errors.get() {
return Some(e);
if let Some(guar) = self.tainted_by_errors.get() {
Some(guar)
} else if self.dcx().err_count() > self.err_count_on_creation {
// Errors reported since this infcx was made.
let guar = self.dcx().has_errors().unwrap();
self.set_tainted_by_errors(guar);
Some(guar)
} else if self.dcx().stashed_err_count() > self.stashed_err_count_on_creation {
// Errors stashed since this infcx was made. Not entirely reliable
// because the count of stashed errors can go down. But without
// this case we get a moderate number of uninteresting and
// extraneous "type annotations needed" errors.
let guar = self.dcx().delayed_bug("tainted_by_errors: stashed bug awaiting emission");
self.set_tainted_by_errors(guar);
Some(guar)
} else {
None
}
if self.dcx().err_count() > self.err_count_on_creation {
// errors reported since this infcx was made
let e = self.dcx().has_errors().unwrap();
self.set_tainted_by_errors(e);
return Some(e);
}
None
}
/// Set the "tainted by errors" flag to true. We call this when we

2
compiler/rustc_infer/src/lib.rs
View File

@ -16,6 +16,8 @@
#![doc(rust_logo)]
#![feature(rustdoc_internals)]
#![allow(internal_features)]
#![allow(rustc::diagnostic_outside_of_impl)]
#![allow(rustc::untranslatable_diagnostic)]
#![feature(associated_type_bounds)]
#![feature(box_patterns)]
#![feature(extend_one)]

2
compiler/rustc_interface/src/lib.rs
View File

@ -4,8 +4,6 @@
#![feature(let_chains)]
#![feature(thread_spawn_unchecked)]
#![feature(try_blocks)]
#![deny(rustc::untranslatable_diagnostic)]
#![deny(rustc::diagnostic_outside_of_impl)]
#[macro_use]
extern crate tracing;

4
compiler/rustc_interface/src/passes.rs
View File

@ -778,6 +778,10 @@ fn analysis(tcx: TyCtxt<'_>, (): ()) -> Result<()> {
// kindck is gone now). -nmatsakis
if let Some(reported) = sess.dcx().has_errors() {
return Err(reported);
} else if sess.dcx().stashed_err_count() > 0 {
// Without this case we sometimes get delayed bug ICEs and I don't
// understand why. -nnethercote
return Err(sess.dcx().delayed_bug("some stashed error is waiting for use"));
}
sess.time("misc_checking_3", || {

3
compiler/rustc_lexer/src/lib.rs
View File

@ -18,8 +18,7 @@
//! lexeme types.
//!
//! [`rustc_parse::lexer`]: ../rustc_parse/lexer/index.html
#![deny(rustc::untranslatable_diagnostic)]
#![deny(rustc::diagnostic_outside_of_impl)]
// We want to be able to build this crate with a stable compiler,
// so no `#![feature]` attributes should be added.
#![deny(unstable_features)]

4
compiler/rustc_lint/src/internal.rs
View File

@ -345,7 +345,7 @@ declare_tool_lint! {
///
/// More details on translatable diagnostics can be found [here](https://rustc-dev-guide.rust-lang.org/diagnostics/translation.html).
pub rustc::UNTRANSLATABLE_DIAGNOSTIC,
Allow,
Deny,
"prevent creation of diagnostics which cannot be translated",
report_in_external_macro: true
}
@ -357,7 +357,7 @@ declare_tool_lint! {
///
/// More details on diagnostics implementations can be found [here](https://rustc-dev-guide.rust-lang.org/diagnostics/diagnostic-structs.html).
pub rustc::DIAGNOSTIC_OUTSIDE_OF_IMPL,
Allow,
Deny,
"prevent creation of diagnostics outside of `IntoDiagnostic`/`AddToDiagnostic` impls",
report_in_external_macro: true
}

2
compiler/rustc_lint/src/lib.rs
View File

@ -37,8 +37,6 @@
#![cfg_attr(not(bootstrap), feature(trait_upcasting))]
#![feature(min_specialization)]
#![feature(rustc_attrs)]
#![deny(rustc::untranslatable_diagnostic)]
#![deny(rustc::diagnostic_outside_of_impl)]
#![allow(internal_features)]
#[macro_use]

3
compiler/rustc_lint/src/lints.rs
View File

@ -1,5 +1,6 @@
#![allow(rustc::untranslatable_diagnostic)]
#![allow(rustc::diagnostic_outside_of_impl)]
#![allow(rustc::untranslatable_diagnostic)]
use std::num::NonZeroU32;
use crate::errors::RequestedLevel;

2
compiler/rustc_lint_defs/src/lib.rs
View File

@ -1,6 +1,4 @@
#![feature(min_specialization)]
#![deny(rustc::untranslatable_diagnostic)]
#![deny(rustc::diagnostic_outside_of_impl)]
#[macro_use]
extern crate rustc_macros;

2
compiler/rustc_llvm/src/lib.rs
View File

@ -1,5 +1,3 @@
#![deny(rustc::untranslatable_diagnostic)]
#![deny(rustc::diagnostic_outside_of_impl)]
#![doc(html_root_url = "https://doc.rust-lang.org/nightly/nightly-rustc/")]
#![doc(rust_logo)]
#![feature(rustdoc_internals)]

3
compiler/rustc_log/src/lib.rs
View File

@ -38,9 +38,6 @@
//! debugging, you can make changes inside those crates and quickly run main.rs
//! to read the debug logs.
#![deny(rustc::untranslatable_diagnostic)]
#![deny(rustc::diagnostic_outside_of_impl)]
use std::env::{self, VarError};
use std::fmt::{self, Display};
use std::io::{self, IsTerminal};

2
compiler/rustc_macros/src/lib.rs
View File

@ -6,8 +6,6 @@
#![feature(proc_macro_span)]
#![feature(proc_macro_tracked_env)]
#![allow(rustc::default_hash_types)]
#![deny(rustc::untranslatable_diagnostic)]
#![deny(rustc::diagnostic_outside_of_impl)]
#![allow(internal_features)]
use synstructure::decl_derive;

2
compiler/rustc_metadata/src/lib.rs
View File

@ -15,8 +15,6 @@
#![feature(try_blocks)]
#![feature(never_type)]
#![allow(rustc::potential_query_instability)]
#![deny(rustc::untranslatable_diagnostic)]
#![deny(rustc::diagnostic_outside_of_impl)]
extern crate proc_macro;

4
compiler/rustc_middle/src/lib.rs
View File

@ -58,8 +58,10 @@
#![feature(const_option)]
#![feature(ptr_alignment_type)]
#![feature(macro_metavar_expr)]
#![allow(rustc::potential_query_instability)]
#![allow(internal_features)]
#![allow(rustc::potential_query_instability)]
#![allow(rustc::diagnostic_outside_of_impl)]
#![allow(rustc::untranslatable_diagnostic)]
#[macro_use]
extern crate bitflags;

36
compiler/rustc_mir_build/src/build/mod.rs
View File

@ -675,16 +675,32 @@ fn construct_error(tcx: TyCtxt<'_>, def_id: LocalDefId, guar: ErrorGuaranteed) -
))),
)
}
ty::CoroutineClosure(did, _args) => {
// FIXME(async_closures): Recover the proper error signature
let inputs = tcx
.closure_user_provided_sig(did.expect_local())
.value
.skip_binder()
.inputs();
let err = Ty::new_error(tcx, guar);
(inputs.iter().map(|_| err).collect(), err, None)
ty::CoroutineClosure(did, args) => {
let args = args.as_coroutine_closure();
let sig = tcx.liberate_late_bound_regions(
def_id.to_def_id(),
args.coroutine_closure_sig(),
);
let self_ty = match args.kind() {
ty::ClosureKind::Fn => {
Ty::new_imm_ref(tcx, tcx.lifetimes.re_erased, closure_ty)
}
ty::ClosureKind::FnMut => {
Ty::new_mut_ref(tcx, tcx.lifetimes.re_erased, closure_ty)
}
ty::ClosureKind::FnOnce => closure_ty,
};
(
[self_ty].into_iter().chain(sig.tupled_inputs_ty.tuple_fields()).collect(),
sig.to_coroutine(
tcx,
args.parent_args(),
args.kind_ty(),
tcx.coroutine_for_closure(*did),
Ty::new_error(tcx, guar),
),
None,
)
}
ty::Error(_) => (vec![closure_ty, closure_ty], closure_ty, None),
kind => {

3
compiler/rustc_mir_build/src/lib.rs
View File

@ -1,6 +1,9 @@
//! Construction of MIR from HIR.
//!
//! This crate also contains the match exhaustiveness and usefulness checking.
#![allow(rustc::diagnostic_outside_of_impl)]
#![allow(rustc::untranslatable_diagnostic)]
#![feature(assert_matches)]
#![feature(associated_type_bounds)]
#![feature(box_patterns)]

2
compiler/rustc_mir_dataflow/src/lib.rs
View File

@ -4,8 +4,6 @@
#![feature(let_chains)]
#![feature(min_specialization)]
#![feature(try_blocks)]
#![deny(rustc::untranslatable_diagnostic)]
#![deny(rustc::diagnostic_outside_of_impl)]
#[macro_use]
extern crate tracing;

7
compiler/rustc_mir_transform/src/coroutine/by_move_body.rs
View File

@ -7,7 +7,7 @@ use rustc_data_structures::fx::FxIndexSet;
use rustc_hir as hir;
use rustc_middle::mir::visit::MutVisitor;
use rustc_middle::mir::{self, dump_mir, MirPass};
use rustc_middle::ty::{self, InstanceDef, Ty, TyCtxt};
use rustc_middle::ty::{self, InstanceDef, Ty, TyCtxt, TypeVisitableExt};
use rustc_target::abi::FieldIdx;
pub struct ByMoveBody;
@ -23,7 +23,10 @@ impl<'tcx> MirPass<'tcx> for ByMoveBody {
return;
};
let coroutine_ty = body.local_decls[ty::CAPTURE_STRUCT_LOCAL].ty;
let ty::Coroutine(_, args) = *coroutine_ty.kind() else { bug!() };
if coroutine_ty.references_error() {
return;
}
let ty::Coroutine(_, args) = *coroutine_ty.kind() else { bug!("{body:#?}") };
let coroutine_kind = args.as_coroutine().kind_ty().to_opt_closure_kind().unwrap();
if coroutine_kind == ty::ClosureKind::FnOnce {

2
compiler/rustc_mir_transform/src/lib.rs
View File

@ -1,5 +1,3 @@
#![deny(rustc::untranslatable_diagnostic)]
#![deny(rustc::diagnostic_outside_of_impl)]
#![feature(assert_matches)]
#![feature(box_patterns)]
#![feature(const_type_name)]

2
compiler/rustc_monomorphize/src/lib.rs
View File

@ -1,8 +1,6 @@
#![feature(array_windows)]
#![feature(is_sorted)]
#![allow(rustc::potential_query_instability)]
#![deny(rustc::untranslatable_diagnostic)]
#![deny(rustc::diagnostic_outside_of_impl)]
#[macro_use]
extern crate tracing;

4
compiler/rustc_parse/src/lib.rs
View File

@ -1,11 +1,13 @@
//! The main parser interface.
#![allow(internal_features)]
#![allow(rustc::diagnostic_outside_of_impl)]
#![allow(rustc::untranslatable_diagnostic)]
#![feature(array_windows)]
#![feature(box_patterns)]
#![feature(if_let_guard)]
#![feature(iter_intersperse)]
#![feature(let_chains)]
#![allow(internal_features)]
#[macro_use]
extern crate tracing;

2
compiler/rustc_parse_format/src/lib.rs
View File

@ -9,8 +9,6 @@
html_playground_url = "https://play.rust-lang.org/",
test(attr(deny(warnings)))
)]
#![deny(rustc::untranslatable_diagnostic)]
#![deny(rustc::diagnostic_outside_of_impl)]
// We want to be able to build this crate with a stable compiler,
// so no `#![feature]` attributes should be added.
#![deny(unstable_features)]

2
compiler/rustc_passes/src/lib.rs
View File

@ -12,8 +12,6 @@
#![feature(map_try_insert)]
#![feature(min_specialization)]
#![feature(try_blocks)]
#![deny(rustc::untranslatable_diagnostic)]
#![deny(rustc::diagnostic_outside_of_impl)]
#[macro_use]
extern crate rustc_middle;

3
compiler/rustc_pattern_analysis/src/lib.rs
View File

@ -1,5 +1,8 @@
//! Analysis of patterns, notably match exhaustiveness checking.
#![allow(rustc::untranslatable_diagnostic)]
#![allow(rustc::diagnostic_outside_of_impl)]
pub mod constructor;
#[cfg(feature = "rustc")]
pub mod errors;

1
compiler/rustc_privacy/Cargo.toml
View File

@ -16,5 +16,6 @@ rustc_macros = { path = "../rustc_macros" }
rustc_middle = { path = "../rustc_middle" }
rustc_session = { path = "../rustc_session" }
rustc_span = { path = "../rustc_span" }
rustc_ty_utils = { path = "../rustc_ty_utils" }
tracing = "0.1"
# tidy-alphabetical-end

113
compiler/rustc_privacy/src/lib.rs
View File

@ -5,8 +5,6 @@
#![feature(associated_type_defaults)]
#![feature(try_blocks)]
#![feature(let_chains)]
#![deny(rustc::untranslatable_diagnostic)]
#![deny(rustc::diagnostic_outside_of_impl)]
#[macro_use]
extern crate tracing;
@ -21,7 +19,7 @@ use rustc_hir as hir;
use rustc_hir::def::{DefKind, Res};
use rustc_hir::def_id::{DefId, LocalDefId, LocalModDefId, CRATE_DEF_ID};
use rustc_hir::intravisit::{self, Visitor};
use rustc_hir::{AssocItemKind, ForeignItemKind, ItemId, PatKind};
use rustc_hir::{AssocItemKind, ForeignItemKind, ItemId, ItemKind, PatKind};
use rustc_middle::middle::privacy::{EffectiveVisibilities, EffectiveVisibility, Level};
use rustc_middle::query::Providers;
use rustc_middle::ty::GenericArgs;
@ -98,9 +96,6 @@ trait DefIdVisitor<'tcx> {
fn visit_trait(&mut self, trait_ref: TraitRef<'tcx>) -> ControlFlow<Self::BreakTy> {
self.skeleton().visit_trait(trait_ref)
}
fn visit_projection_ty(&mut self, projection: ty::AliasTy<'tcx>) -> ControlFlow<Self::BreakTy> {
self.skeleton().visit_projection_ty(projection)
}
fn visit_predicates(
&mut self,
predicates: ty::GenericPredicates<'tcx>,
@ -173,6 +168,10 @@ where
{
type BreakTy = V::BreakTy;
fn visit_predicate(&mut self, p: ty::Predicate<'tcx>) -> ControlFlow<Self::BreakTy> {
self.visit_clause(p.as_clause().unwrap())
}
fn visit_ty(&mut self, ty: Ty<'tcx>) -> ControlFlow<V::BreakTy> {
let tcx = self.def_id_visitor.tcx();
// GenericArgs are not visited here because they are visited below
@ -1076,6 +1075,14 @@ impl<'tcx> TypePrivacyVisitor<'tcx> {
}
}
impl<'tcx> rustc_ty_utils::sig_types::SpannedTypeVisitor<'tcx> for TypePrivacyVisitor<'tcx> {
type BreakTy = ();
fn visit(&mut self, span: Span, value: impl TypeVisitable<TyCtxt<'tcx>>) -> ControlFlow<()> {
self.span = span;
value.visit_with(&mut self.skeleton())
}
}
impl<'tcx> Visitor<'tcx> for TypePrivacyVisitor<'tcx> {
fn visit_nested_body(&mut self, body_id: hir::BodyId) {
let old_maybe_typeck_results =
@ -1086,18 +1093,15 @@ impl<'tcx> Visitor<'tcx> for TypePrivacyVisitor<'tcx> {
fn visit_ty(&mut self, hir_ty: &'tcx hir::Ty<'tcx>) {
self.span = hir_ty.span;
if let Some(typeck_results) = self.maybe_typeck_results {
// Types in bodies.
if self.visit(typeck_results.node_type(hir_ty.hir_id)).is_break() {
return;
}
} else {
// Types in signatures.
// FIXME: This is very ineffective. Ideally each HIR type should be converted
// into a semantic type only once and the result should be cached somehow.
if self.visit(rustc_hir_analysis::hir_ty_to_ty(self.tcx, hir_ty)).is_break() {
return;
}
if self
.visit(
self.maybe_typeck_results
.unwrap_or_else(|| span_bug!(hir_ty.span, "`hir::Ty` outside of a body"))
.node_type(hir_ty.hir_id),
)
.is_break()
{
return;
}
intravisit::walk_ty(self, hir_ty);
@ -1105,56 +1109,20 @@ impl<'tcx> Visitor<'tcx> for TypePrivacyVisitor<'tcx> {
fn visit_infer(&mut self, inf: &'tcx hir::InferArg) {
self.span = inf.span;
if let Some(typeck_results) = self.maybe_typeck_results {
if let Some(ty) = typeck_results.node_type_opt(inf.hir_id) {
if self.visit(ty).is_break() {
return;
}
} else {
// FIXME: check types of const infers here.
if let Some(ty) = self
.maybe_typeck_results
.unwrap_or_else(|| span_bug!(inf.span, "`hir::InferArg` outside of a body"))
.node_type_opt(inf.hir_id)
{
if self.visit(ty).is_break() {
return;
}
} else {
span_bug!(self.span, "`hir::InferArg` outside of a body");
// FIXME: check types of const infers here.
}
intravisit::walk_inf(self, inf);
}
fn visit_trait_ref(&mut self, trait_ref: &'tcx hir::TraitRef<'tcx>) {
self.span = trait_ref.path.span;
if self.maybe_typeck_results.is_some() {
// Privacy of traits in bodies is checked as a part of trait object types.
} else {
let bounds = rustc_hir_analysis::hir_trait_to_predicates(
self.tcx,
trait_ref,
// NOTE: This isn't really right, but the actual type doesn't matter here. It's
// just required by `ty::TraitRef`.
self.tcx.types.never,
);
for (clause, _) in bounds.clauses() {
match clause.kind().skip_binder() {
ty::ClauseKind::Trait(trait_predicate) => {
if self.visit_trait(trait_predicate.trait_ref).is_break() {
return;
}
}
ty::ClauseKind::Projection(proj_predicate) => {
let term = self.visit(proj_predicate.term);
if term.is_break()
|| self.visit_projection_ty(proj_predicate.projection_ty).is_break()
{
return;
}
}
_ => {}
}
}
}
intravisit::walk_trait_ref(self, trait_ref);
}
// Check types of expressions
fn visit_expr(&mut self, expr: &'tcx hir::Expr<'tcx>) {
if self.check_expr_pat_type(expr.hir_id, expr.span) {
@ -1727,7 +1695,26 @@ fn check_mod_privacy(tcx: TyCtxt<'_>, module_def_id: LocalModDefId) {
// inferred types of expressions and patterns.
let span = tcx.def_span(module_def_id);
let mut visitor = TypePrivacyVisitor { tcx, module_def_id, maybe_typeck_results: None, span };
tcx.hir().visit_item_likes_in_module(module_def_id, &mut visitor);
let module = tcx.hir_module_items(module_def_id);
for def_id in module.definitions() {
rustc_ty_utils::sig_types::walk_types(tcx, def_id, &mut visitor);
if let Some(body_id) = tcx.hir().maybe_body_owned_by(def_id) {
visitor.visit_nested_body(body_id);
}
}
for id in module.items() {
if let ItemKind::Impl(i) = tcx.hir().item(id).kind {
if let Some(item) = i.of_trait {
let trait_ref = tcx.impl_trait_ref(id.owner_id.def_id).unwrap();
let trait_ref = trait_ref.instantiate_identity();
visitor.span = item.path.span;
visitor.visit_def_id(trait_ref.def_id, "trait", &trait_ref.print_only_trait_path());
}
}
}
}
fn effective_visibilities(tcx: TyCtxt<'_>, (): ()) -> &EffectiveVisibilities {

2
compiler/rustc_query_impl/src/lib.rs
View File

@ -6,8 +6,6 @@
#![feature(min_specialization)]
#![feature(rustc_attrs)]
#![allow(rustc::potential_query_instability, unused_parens)]
#![deny(rustc::untranslatable_diagnostic)]
#![deny(rustc::diagnostic_outside_of_impl)]
#![allow(internal_features)]
#[macro_use]

2
compiler/rustc_query_system/src/lib.rs
View File

@ -4,8 +4,6 @@
#![feature(min_specialization)]
#![feature(let_chains)]
#![allow(rustc::potential_query_instability, internal_features)]
#![deny(rustc::untranslatable_diagnostic)]
#![deny(rustc::diagnostic_outside_of_impl)]
#[macro_use]
extern crate tracing;

2
compiler/rustc_resolve/src/lib.rs
View File

@ -17,7 +17,9 @@
#![feature(let_chains)]
#![feature(rustc_attrs)]
#![allow(rustdoc::private_intra_doc_links)]
#![allow(rustc::diagnostic_outside_of_impl)]
#![allow(rustc::potential_query_instability)]
#![allow(rustc::untranslatable_diagnostic)]
#![allow(internal_features)]
#[macro_use]

2
compiler/rustc_serialize/src/lib.rs
View File

@ -17,8 +17,6 @@
#![feature(ptr_sub_ptr)]
#![cfg_attr(test, feature(test))]
#![allow(rustc::internal)]
#![deny(rustc::untranslatable_diagnostic)]
#![deny(rustc::diagnostic_outside_of_impl)]
pub use self::serialize::{Decodable, Decoder, Encodable, Encoder};

2
compiler/rustc_session/src/lib.rs
View File

@ -4,8 +4,6 @@
#![feature(rustc_attrs)]
#![feature(map_many_mut)]
#![feature(iter_intersperse)]
#![deny(rustc::untranslatable_diagnostic)]
#![deny(rustc::diagnostic_outside_of_impl)]
#![allow(internal_features)]
#[macro_use]

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