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Reformat use declarations.

Browse Source 
The previous commit updated `rustfmt.toml` appropriately. This commit is
the outcome of running `x fmt --all` with the new formatting options.
This commit is contained in:
Nicholas Nethercote 2024-07-29 08:13:50 +10:00
parent 118f9350c5
commit 84ac80f192
1865 changed files with 8367 additions and 9199 deletions
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9
compiler/rustc_abi/src/layout.rs
View File

@ -1,9 +1,7 @@
use std::borrow::{Borrow, Cow};
use std::cmp;
use std::fmt::{self, Write};
use std::iter;
use std::ops::Bound;
use std::ops::Deref;
use std::ops::{Bound, Deref};
use std::{cmp, iter};
use rustc_index::Idx;
use tracing::debug;
@ -982,7 +980,8 @@ fn univariant<
if repr.can_randomize_type_layout() && cfg!(feature = "randomize") {
#[cfg(feature = "randomize")]
{
use rand::{seq::SliceRandom, SeedableRng};
use rand::seq::SliceRandom;
use rand::SeedableRng;
// `ReprOptions.field_shuffle_seed` is a deterministic seed we can use to randomize field
// ordering.
let mut rng =

7
compiler/rustc_abi/src/lib.rs
View File

@ -6,21 +6,20 @@
// tidy-alphabetical-end
use std::fmt;
#[cfg(feature = "nightly")]
use std::iter::Step;
use std::num::{NonZeroUsize, ParseIntError};
use std::ops::{Add, AddAssign, Mul, RangeInclusive, Sub};
use std::str::FromStr;
use bitflags::bitflags;
use rustc_index::{Idx, IndexSlice, IndexVec};
#[cfg(feature = "nightly")]
use rustc_data_structures::stable_hasher::StableOrd;
use rustc_index::{Idx, IndexSlice, IndexVec};
#[cfg(feature = "nightly")]
use rustc_macros::HashStable_Generic;
#[cfg(feature = "nightly")]
use rustc_macros::{Decodable_Generic, Encodable_Generic};
#[cfg(feature = "nightly")]
use std::iter::Step;
mod layout;
#[cfg(test)]

7
compiler/rustc_arena/src/lib.rs
View File

@ -27,15 +27,14 @@
#![feature(strict_provenance)]
// tidy-alphabetical-end
use smallvec::SmallVec;
use std::alloc::Layout;
use std::cell::{Cell, RefCell};
use std::marker::PhantomData;
use std::mem::{self, MaybeUninit};
use std::ptr::{self, NonNull};
use std::slice;
use std::{cmp, intrinsics};
use std::{cmp, intrinsics, slice};
use smallvec::SmallVec;
/// This calls the passed function while ensuring it won't be inlined into the caller.
#[inline(never)]

4
compiler/rustc_arena/src/tests.rs
View File

@ -1,8 +1,10 @@
extern crate test;
use super::TypedArena;
use std::cell::Cell;
use test::Bencher;
use super::TypedArena;
#[allow(dead_code)]
#[derive(Debug, Eq, PartialEq)]
struct Point {

26
compiler/rustc_ast/src/ast.rs
View File

@ -18,15 +18,9 @@
//! - [`Attribute`]: Metadata associated with item.
//! - [`UnOp`], [`BinOp`], and [`BinOpKind`]: Unary and binary operators.
pub use crate::format::*;
pub use crate::util::parser::ExprPrecedence;
pub use rustc_span::AttrId;
pub use GenericArgs::*;
pub use UnsafeSource::*;
use std::borrow::Cow;
use std::{cmp, fmt, mem};
use crate::ptr::P;
use crate::token::{self, CommentKind, Delimiter};
use crate::tokenstream::{DelimSpan, LazyAttrTokenStream, TokenStream};
pub use rustc_ast_ir::{Movability, Mutability};
use rustc_data_structures::packed::Pu128;
use rustc_data_structures::stable_hasher::{HashStable, StableHasher};
@ -35,12 +29,17 @@ use rustc_data_structures::sync::Lrc;
use rustc_macros::{Decodable, Encodable, HashStable_Generic};
use rustc_span::source_map::{respan, Spanned};
use rustc_span::symbol::{kw, sym, Ident, Symbol};
pub use rustc_span::AttrId;
use rustc_span::{ErrorGuaranteed, Span, DUMMY_SP};
use std::borrow::Cow;
use std::cmp;
use std::fmt;
use std::mem;
use thin_vec::{thin_vec, ThinVec};
pub use GenericArgs::*;
pub use UnsafeSource::*;
pub use crate::format::*;
use crate::ptr::P;
use crate::token::{self, CommentKind, Delimiter};
use crate::tokenstream::{DelimSpan, LazyAttrTokenStream, TokenStream};
pub use crate::util::parser::ExprPrecedence;
/// A "Label" is an identifier of some point in sources,
/// e.g. in the following code:
@ -3491,8 +3490,9 @@ pub type ForeignItem = Item<ForeignItemKind>;
// Some nodes are used a lot. Make sure they don't unintentionally get bigger.
#[cfg(target_pointer_width = "64")]
mod size_asserts {
use super::*;
use rustc_data_structures::static_assert_size;
use super::*;
// tidy-alphabetical-start
static_assert_size!(AssocItem, 88);
static_assert_size!(AssocItemKind, 16);

15
compiler/rustc_ast/src/ast_traits.rs
View File

@ -2,16 +2,17 @@
//! typically those used in AST fragments during macro expansion.
//! The traits are not implemented exhaustively, only when actually necessary.
use std::fmt;
use std::marker::PhantomData;
use crate::ptr::P;
use crate::token::Nonterminal;
use crate::tokenstream::LazyAttrTokenStream;
use crate::{Arm, Crate, ExprField, FieldDef, GenericParam, Param, PatField, Variant};
use crate::{AssocItem, Expr, ForeignItem, Item, NodeId};
use crate::{AttrItem, AttrKind, Block, Pat, Path, Ty, Visibility};
use crate::{AttrVec, Attribute, Stmt, StmtKind};
use std::fmt;
use std::marker::PhantomData;
use crate::{
Arm, AssocItem, AttrItem, AttrKind, AttrVec, Attribute, Block, Crate, Expr, ExprField,
FieldDef, ForeignItem, GenericParam, Item, NodeId, Param, Pat, PatField, Path, Stmt, StmtKind,
Ty, Variant, Visibility,
};
/// A utility trait to reduce boilerplate.
/// Standard `Deref(Mut)` cannot be reused due to coherence.

28
compiler/rustc_ast/src/attr/mod.rs
View File

@ -1,25 +1,25 @@
//! Functions dealing with attributes and meta items.
use crate::ast::{
AttrArgs, AttrArgsEq, AttrId, AttrItem, AttrKind, AttrStyle, AttrVec, Attribute, Safety,
};
use crate::ast::{DelimArgs, Expr, ExprKind, LitKind, MetaItemLit};
use crate::ast::{MetaItem, MetaItemKind, NestedMetaItem, NormalAttr};
use crate::ast::{Path, PathSegment, DUMMY_NODE_ID};
use crate::ptr::P;
use crate::token::{self, CommentKind, Delimiter, Token};
use crate::tokenstream::{DelimSpan, Spacing, TokenTree};
use crate::tokenstream::{LazyAttrTokenStream, TokenStream};
use crate::util::comments;
use crate::util::literal::escape_string_symbol;
use std::iter;
use std::sync::atomic::{AtomicU32, Ordering};
use rustc_index::bit_set::GrowableBitSet;
use rustc_span::symbol::{sym, Ident, Symbol};
use rustc_span::Span;
use smallvec::{smallvec, SmallVec};
use std::iter;
use std::sync::atomic::{AtomicU32, Ordering};
use thin_vec::{thin_vec, ThinVec};
use crate::ast::{
AttrArgs, AttrArgsEq, AttrId, AttrItem, AttrKind, AttrStyle, AttrVec, Attribute, DelimArgs,
Expr, ExprKind, LitKind, MetaItem, MetaItemKind, MetaItemLit, NestedMetaItem, NormalAttr, Path,
PathSegment, Safety, DUMMY_NODE_ID,
};
use crate::ptr::P;
use crate::token::{self, CommentKind, Delimiter, Token};
use crate::tokenstream::{DelimSpan, LazyAttrTokenStream, Spacing, TokenStream, TokenTree};
use crate::util::comments;
use crate::util::literal::escape_string_symbol;
pub struct MarkedAttrs(GrowableBitSet<AttrId>);
impl MarkedAttrs {

3
compiler/rustc_ast/src/entry.rs
View File

@ -1,7 +1,8 @@
use crate::{attr, Attribute};
use rustc_span::symbol::sym;
use rustc_span::Symbol;
use crate::{attr, Attribute};
#[derive(Debug)]
pub enum EntryPointType {
/// This function is not an entrypoint.

3
compiler/rustc_ast/src/expand/mod.rs
View File

@ -1,7 +1,8 @@
//! Definitions shared by macros / syntax extensions and e.g. `rustc_middle`.
use rustc_macros::{Decodable, Encodable, HashStable_Generic};
use rustc_span::{def_id::DefId, symbol::Ident};
use rustc_span::def_id::DefId;
use rustc_span::symbol::Ident;
use crate::MetaItem;

5
compiler/rustc_ast/src/format.rs
View File

@ -1,10 +1,11 @@
use crate::ptr::P;
use crate::Expr;
use rustc_data_structures::fx::FxHashMap;
use rustc_macros::{Decodable, Encodable};
use rustc_span::symbol::{Ident, Symbol};
use rustc_span::Span;
use crate::ptr::P;
use crate::Expr;
// Definitions:
//
// format_args!("hello {abc:.xyz$}!!", abc="world");

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

@ -43,11 +43,11 @@ pub mod token;
pub mod tokenstream;
pub mod visit;
use rustc_data_structures::stable_hasher::{HashStable, StableHasher};
pub use self::ast::*;
pub use self::ast_traits::{AstDeref, AstNodeWrapper, HasAttrs, HasNodeId, HasTokens};
use rustc_data_structures::stable_hasher::{HashStable, StableHasher};
/// Requirements for a `StableHashingContext` to be used in this crate.
/// This is a hack to allow using the `HashStable_Generic` derive macro
/// instead of implementing everything in `rustc_middle`.

15
compiler/rustc_ast/src/mut_visit.rs
View File

@ -7,11 +7,8 @@
//! a `MutVisitor` renaming item names in a module will miss all of those
//! that are created by the expansion of a macro.
use crate::ast::*;
use crate::ptr::P;
use crate::token::{self, Token};
use crate::tokenstream::*;
use crate::visit::{AssocCtxt, BoundKind};
use std::ops::DerefMut;
use std::panic;
use rustc_data_structures::flat_map_in_place::FlatMapInPlace;
use rustc_data_structures::stack::ensure_sufficient_stack;
@ -20,10 +17,14 @@ use rustc_span::source_map::Spanned;
use rustc_span::symbol::Ident;
use rustc_span::Span;
use smallvec::{smallvec, Array, SmallVec};
use std::ops::DerefMut;
use std::panic;
use thin_vec::ThinVec;
use crate::ast::*;
use crate::ptr::P;
use crate::token::{self, Token};
use crate::tokenstream::*;
use crate::visit::{AssocCtxt, BoundKind};
pub trait ExpectOne<A: Array> {
fn expect_one(self, err: &'static str) -> A::Item;
}

3
compiler/rustc_ast/src/node_id.rs
View File

@ -1,6 +1,7 @@
use rustc_span::LocalExpnId;
use std::fmt;
use rustc_span::LocalExpnId;
rustc_index::newtype_index! {
/// Identifies an AST node.
///

3
compiler/rustc_ast/src/ptr.rs
View File

@ -21,9 +21,8 @@ use std::fmt::{self, Debug, Display};
use std::ops::{Deref, DerefMut};
use std::{slice, vec};
use rustc_serialize::{Decodable, Decoder, Encodable, Encoder};
use rustc_data_structures::stable_hasher::{HashStable, StableHasher};
use rustc_serialize::{Decodable, Decoder, Encodable, Encoder};
/// An owned smart pointer.
///
/// See the [module level documentation][crate::ptr] for details.

26
compiler/rustc_ast/src/token.rs
View File

@ -1,3 +1,15 @@
use std::borrow::Cow;
use std::fmt;
use rustc_data_structures::stable_hasher::{HashStable, StableHasher};
use rustc_data_structures::sync::Lrc;
use rustc_macros::{Decodable, Encodable, HashStable_Generic};
use rustc_span::edition::Edition;
use rustc_span::symbol::{kw, sym};
#[allow(clippy::useless_attribute)] // FIXME: following use of `hidden_glob_reexports` incorrectly triggers `useless_attribute` lint.
#[allow(hidden_glob_reexports)]
use rustc_span::symbol::{Ident, Symbol};
use rustc_span::{ErrorGuaranteed, Span, DUMMY_SP};
pub use BinOpToken::*;
pub use LitKind::*;
pub use Nonterminal::*;
@ -9,17 +21,6 @@ use crate::ast;
use crate::ptr::P;
use crate::util::case::Case;
use rustc_data_structures::stable_hasher::{HashStable, StableHasher};
use rustc_data_structures::sync::Lrc;
use rustc_macros::{Decodable, Encodable, HashStable_Generic};
use rustc_span::symbol::{kw, sym};
#[allow(clippy::useless_attribute)] // FIXME: following use of `hidden_glob_reexports` incorrectly triggers `useless_attribute` lint.
#[allow(hidden_glob_reexports)]
use rustc_span::symbol::{Ident, Symbol};
use rustc_span::{edition::Edition, ErrorGuaranteed, Span, DUMMY_SP};
use std::borrow::Cow;
use std::fmt;
#[derive(Clone, Copy, PartialEq, Encodable, Decodable, Debug, HashStable_Generic)]
pub enum CommentKind {
Line,
@ -1062,8 +1063,9 @@ where
// Some types are used a lot. Make sure they don't unintentionally get bigger.
#[cfg(target_pointer_width = "64")]
mod size_asserts {
use super::*;
use rustc_data_structures::static_assert_size;
use super::*;
// tidy-alphabetical-start
static_assert_size!(Lit, 12);
static_assert_size!(LitKind, 2);

15
compiler/rustc_ast/src/tokenstream.rs
View File

@ -13,10 +13,8 @@
//! and a borrowed `TokenStream` is sufficient to build an owned `TokenStream` without taking
//! ownership of the original.
use crate::ast::{AttrStyle, StmtKind};
use crate::ast_traits::{HasAttrs, HasTokens};
use crate::token::{self, Delimiter, Nonterminal, Token, TokenKind};
use crate::{AttrVec, Attribute};
use std::borrow::Cow;
use std::{cmp, fmt, iter};
use rustc_data_structures::stable_hasher::{HashStable, StableHasher};
use rustc_data_structures::sync::{self, Lrc};
@ -24,8 +22,10 @@ use rustc_macros::{Decodable, Encodable, HashStable_Generic};
use rustc_serialize::{Decodable, Encodable};
use rustc_span::{sym, Span, SpanDecoder, SpanEncoder, Symbol, DUMMY_SP};
use std::borrow::Cow;
use std::{cmp, fmt, iter};
use crate::ast::{AttrStyle, StmtKind};
use crate::ast_traits::{HasAttrs, HasTokens};
use crate::token::{self, Delimiter, Nonterminal, Token, TokenKind};
use crate::{AttrVec, Attribute};
/// Part of a `TokenStream`.
#[derive(Debug, Clone, PartialEq, Encodable, Decodable, HashStable_Generic)]
@ -767,8 +767,9 @@ impl DelimSpacing {
// Some types are used a lot. Make sure they don't unintentionally get bigger.
#[cfg(target_pointer_width = "64")]
mod size_asserts {
use super::*;
use rustc_data_structures::static_assert_size;
use super::*;
// tidy-alphabetical-start
static_assert_size!(AttrTokenStream, 8);
static_assert_size!(AttrTokenTree, 32);

3
compiler/rustc_ast/src/util/comments.rs
View File

@ -1,6 +1,7 @@
use crate::token::CommentKind;
use rustc_span::{BytePos, Symbol};
use crate::token::CommentKind;
#[cfg(test)]
mod tests;

3
compiler/rustc_ast/src/util/comments/tests.rs
View File

@ -1,6 +1,7 @@
use super::*;
use rustc_span::create_default_session_globals_then;
use super::*;
#[test]
fn test_block_doc_comment_1() {
create_default_session_globals_then(|| {

8
compiler/rustc_ast/src/util/literal.rs
View File

@ -1,15 +1,17 @@
//! Code related to parsing literals.
use crate::ast::{self, LitKind, MetaItemLit, StrStyle};
use crate::token::{self, Token};
use std::{ascii, fmt, str};
use rustc_lexer::unescape::{
byte_from_char, unescape_byte, unescape_char, unescape_mixed, unescape_unicode, MixedUnit, Mode,
};
use rustc_span::symbol::{kw, sym, Symbol};
use rustc_span::Span;
use std::{ascii, fmt, str};
use tracing::debug;
use crate::ast::{self, LitKind, MetaItemLit, StrStyle};
use crate::token::{self, Token};
// Escapes a string, represented as a symbol. Reuses the original symbol,
// avoiding interning, if no changes are required.
pub fn escape_string_symbol(symbol: Symbol) -> Symbol {

3
compiler/rustc_ast/src/util/parser.rs
View File

@ -1,6 +1,7 @@
use rustc_span::symbol::kw;
use crate::ast::{self, BinOpKind};
use crate::token::{self, BinOpToken, Token};
use rustc_span::symbol::kw;
/// Associative operator with precedence.
///

9
compiler/rustc_ast/src/visit.rs
View File

@ -13,14 +13,13 @@
//! instance, a walker looking for item names in a module will miss all of
//! those that are created by the expansion of a macro.
use crate::ast::*;
use crate::ptr::P;
pub use rustc_ast_ir::visit::VisitorResult;
pub use rustc_ast_ir::{try_visit, visit_opt, walk_list, walk_visitable_list};
use rustc_span::symbol::Ident;
use rustc_span::Span;
pub use rustc_ast_ir::visit::VisitorResult;
pub use rustc_ast_ir::{try_visit, visit_opt, walk_list, walk_visitable_list};
use crate::ast::*;
use crate::ptr::P;
#[derive(Copy, Clone, Debug, PartialEq)]
pub enum AssocCtxt {

24
compiler/rustc_ast_lowering/src/asm.rs
View File

@ -1,13 +1,5 @@
use crate::{ImplTraitContext, ImplTraitPosition, ParamMode, ResolverAstLoweringExt};
use super::errors::{
AbiSpecifiedMultipleTimes, AttSyntaxOnlyX86, ClobberAbiNotSupported,
InlineAsmUnsupportedTarget, InvalidAbiClobberAbi, InvalidAsmTemplateModifierConst,
InvalidAsmTemplateModifierLabel, InvalidAsmTemplateModifierRegClass,
InvalidAsmTemplateModifierRegClassSub, InvalidAsmTemplateModifierSym, InvalidRegister,
InvalidRegisterClass, RegisterClassOnlyClobber, RegisterConflict,
};
use super::LoweringContext;
use std::collections::hash_map::Entry;
use std::fmt::Write;
use rustc_ast::ptr::P;
use rustc_ast::*;
@ -18,8 +10,16 @@ use rustc_session::parse::feature_err;
use rustc_span::symbol::kw;
use rustc_span::{sym, Span};
use rustc_target::asm;
use std::collections::hash_map::Entry;
use std::fmt::Write;
use super::errors::{
AbiSpecifiedMultipleTimes, AttSyntaxOnlyX86, ClobberAbiNotSupported,
InlineAsmUnsupportedTarget, InvalidAbiClobberAbi, InvalidAsmTemplateModifierConst,
InvalidAsmTemplateModifierLabel, InvalidAsmTemplateModifierRegClass,
InvalidAsmTemplateModifierRegClassSub, InvalidAsmTemplateModifierSym, InvalidRegister,
InvalidRegisterClass, RegisterClassOnlyClobber, RegisterConflict,
};
use super::LoweringContext;
use crate::{ImplTraitContext, ImplTraitPosition, ParamMode, ResolverAstLoweringExt};
impl<'a, 'hir> LoweringContext<'a, 'hir> {
#[allow(rustc::untranslatable_diagnostic)] // FIXME: make this translatable

4
compiler/rustc_ast_lowering/src/block.rs
View File

@ -1,9 +1,9 @@
use crate::{ImplTraitContext, ImplTraitPosition, LoweringContext};
use rustc_ast::{Block, BlockCheckMode, Local, LocalKind, Stmt, StmtKind};
use rustc_hir as hir;
use smallvec::SmallVec;
use crate::{ImplTraitContext, ImplTraitPosition, LoweringContext};
impl<'a, 'hir> LoweringContext<'a, 'hir> {
pub(super) fn lower_block(
&mut self,

14
compiler/rustc_ast_lowering/src/delegation.rs
View File

@ -36,23 +36,23 @@
//! In case of discrepancy with callee function the `NotSupportedDelegation` error will
//! also be emitted during HIR ty lowering.
use crate::{ImplTraitPosition, ResolverAstLoweringExt};
use super::{ImplTraitContext, LoweringContext, ParamMode, ParenthesizedGenericArgs};
use std::iter;
use ast::visit::Visitor;
use hir::def::{DefKind, PartialRes, Res};
use hir::{BodyId, HirId};
use rustc_ast as ast;
use rustc_ast::*;
use rustc_errors::ErrorGuaranteed;
use rustc_hir as hir;
use rustc_hir::def_id::DefId;
use rustc_middle::span_bug;
use rustc_middle::ty::{Asyncness, ResolverAstLowering};
use rustc_span::{symbol::Ident, Span};
use rustc_span::symbol::Ident;
use rustc_span::Span;
use rustc_target::spec::abi;
use std::iter;
use {rustc_ast as ast, rustc_hir as hir};
use super::{ImplTraitContext, LoweringContext, ParamMode, ParenthesizedGenericArgs};
use crate::{ImplTraitPosition, ResolverAstLoweringExt};
pub(crate) struct DelegationResults<'hir> {
pub body_id: hir::BodyId,

8
compiler/rustc_ast_lowering/src/errors.rs
View File

@ -1,8 +1,8 @@
use rustc_errors::{
codes::*, Diag, DiagArgFromDisplay, EmissionGuarantee, SubdiagMessageOp, Subdiagnostic,
};
use rustc_errors::codes::*;
use rustc_errors::{Diag, DiagArgFromDisplay, EmissionGuarantee, SubdiagMessageOp, Subdiagnostic};
use rustc_macros::{Diagnostic, Subdiagnostic};
use rustc_span::{symbol::Ident, Span, Symbol};
use rustc_span::symbol::Ident;
use rustc_span::{Span, Symbol};
#[derive(Diagnostic)]
#[diag(ast_lowering_generic_type_with_parentheses, code = E0214)]

25
compiler/rustc_ast_lowering/src/expr.rs
View File

@ -1,15 +1,5 @@
use std::assert_matches::assert_matches;
use super::errors::{
AsyncCoroutinesNotSupported, AwaitOnlyInAsyncFnAndBlocks, BaseExpressionDoubleDot,
ClosureCannotBeStatic, CoroutineTooManyParameters,
FunctionalRecordUpdateDestructuringAssignment, InclusiveRangeWithNoEnd, MatchArmWithNoBody,
NeverPatternWithBody, NeverPatternWithGuard, UnderscoreExprLhsAssign,
};
use super::ResolverAstLoweringExt;
use super::{ImplTraitContext, LoweringContext, ParamMode, ParenthesizedGenericArgs};
use crate::errors::YieldInClosure;
use crate::{FnDeclKind, ImplTraitPosition};
use rustc_ast::ptr::P as AstP;
use rustc_ast::*;
use rustc_data_structures::stack::ensure_sufficient_stack;
@ -20,10 +10,21 @@ use rustc_middle::span_bug;
use rustc_session::errors::report_lit_error;
use rustc_span::source_map::{respan, Spanned};
use rustc_span::symbol::{kw, sym, Ident, Symbol};
use rustc_span::DUMMY_SP;
use rustc_span::{DesugaringKind, Span};
use rustc_span::{DesugaringKind, Span, DUMMY_SP};
use thin_vec::{thin_vec, ThinVec};
use super::errors::{
AsyncCoroutinesNotSupported, AwaitOnlyInAsyncFnAndBlocks, BaseExpressionDoubleDot,
ClosureCannotBeStatic, CoroutineTooManyParameters,
FunctionalRecordUpdateDestructuringAssignment, InclusiveRangeWithNoEnd, MatchArmWithNoBody,
NeverPatternWithBody, NeverPatternWithGuard, UnderscoreExprLhsAssign,
};
use super::{
ImplTraitContext, LoweringContext, ParamMode, ParenthesizedGenericArgs, ResolverAstLoweringExt,
};
use crate::errors::YieldInClosure;
use crate::{FnDeclKind, ImplTraitPosition};
impl<'hir> LoweringContext<'_, 'hir> {
fn lower_exprs(&mut self, exprs: &[AstP<Expr>]) -> &'hir [hir::Expr<'hir>] {
self.arena.alloc_from_iter(exprs.iter().map(|x| self.lower_expr_mut(x)))

16
compiler/rustc_ast_lowering/src/format.rs
View File

@ -1,16 +1,14 @@
use super::LoweringContext;
use core::ops::ControlFlow;
use rustc_ast as ast;
use std::borrow::Cow;
use rustc_ast::visit::Visitor;
use rustc_ast::*;
use rustc_data_structures::fx::FxIndexMap;
use rustc_hir as hir;
use rustc_span::{
sym,
symbol::{kw, Ident},
Span, Symbol,
};
use std::borrow::Cow;
use rustc_span::symbol::{kw, Ident};
use rustc_span::{sym, Span, Symbol};
use {rustc_ast as ast, rustc_hir as hir};
use super::LoweringContext;
impl<'hir> LoweringContext<'_, 'hir> {
pub(crate) fn lower_format_args(&mut self, sp: Span, fmt: &FormatArgs) -> hir::ExprKind<'hir> {

11
compiler/rustc_ast_lowering/src/item.rs
View File

@ -1,8 +1,3 @@
use super::errors::{InvalidAbi, InvalidAbiReason, InvalidAbiSuggestion, MisplacedRelaxTraitBound};
use super::ResolverAstLoweringExt;
use super::{AstOwner, ImplTraitContext, ImplTraitPosition};
use super::{FnDeclKind, LoweringContext, ParamMode};
use rustc_ast::ptr::P;
use rustc_ast::visit::AssocCtxt;
use rustc_ast::*;
@ -22,6 +17,12 @@ use smallvec::{smallvec, SmallVec};
use thin_vec::ThinVec;
use tracing::instrument;
use super::errors::{InvalidAbi, InvalidAbiReason, InvalidAbiSuggestion, MisplacedRelaxTraitBound};
use super::{
AstOwner, FnDeclKind, ImplTraitContext, ImplTraitPosition, LoweringContext, ParamMode,
ResolverAstLoweringExt,
};
pub(super) struct ItemLowerer<'a, 'hir> {
pub(super) tcx: TyCtxt<'hir>,
pub(super) resolver: &'a mut ResolverAstLowering,

10
compiler/rustc_ast_lowering/src/lib.rs
View File

@ -39,7 +39,8 @@
#![feature(rustdoc_internals)]
// tidy-alphabetical-end
use crate::errors::{AssocTyParentheses, AssocTyParenthesesSub, MisplacedImplTrait};
use std::collections::hash_map::Entry;
use rustc_ast::node_id::NodeMap;
use rustc_ast::ptr::P;
use rustc_ast::{self as ast, *};
@ -53,9 +54,9 @@ use rustc_data_structures::sync::Lrc;
use rustc_errors::{DiagArgFromDisplay, DiagCtxtHandle, StashKey};
use rustc_hir::def::{DefKind, LifetimeRes, Namespace, PartialRes, PerNS, Res};
use rustc_hir::def_id::{LocalDefId, LocalDefIdMap, CRATE_DEF_ID, LOCAL_CRATE};
use rustc_hir::{self as hir};
use rustc_hir::{
ConstArg, GenericArg, HirId, ItemLocalMap, MissingLifetimeKind, ParamName, TraitCandidate,
self as hir, ConstArg, GenericArg, HirId, ItemLocalMap, MissingLifetimeKind, ParamName,
TraitCandidate,
};
use rustc_index::{Idx, IndexSlice, IndexVec};
use rustc_macros::extension;
@ -65,10 +66,11 @@ use rustc_session::parse::{add_feature_diagnostics, feature_err};
use rustc_span::symbol::{kw, sym, Ident, Symbol};
use rustc_span::{DesugaringKind, Span, DUMMY_SP};
use smallvec::{smallvec, SmallVec};
use std::collections::hash_map::Entry;
use thin_vec::ThinVec;
use tracing::{debug, instrument, trace};
use crate::errors::{AssocTyParentheses, AssocTyParenthesesSub, MisplacedImplTrait};
macro_rules! arena_vec {
($this:expr; $($x:expr),*) => (
$this.arena.alloc_from_iter([$($x),*])

3
compiler/rustc_ast_lowering/src/lifetime_collector.rs
View File

@ -1,4 +1,3 @@
use super::ResolverAstLoweringExt;
use rustc_ast::visit::{self, BoundKind, LifetimeCtxt, Visitor};
use rustc_ast::{GenericBounds, Lifetime, NodeId, PathSegment, PolyTraitRef, Ty, TyKind};
use rustc_data_structures::fx::FxIndexSet;
@ -8,6 +7,8 @@ use rustc_middle::ty::ResolverAstLowering;
use rustc_span::symbol::{kw, Ident};
use rustc_span::Span;
use super::ResolverAstLoweringExt;
struct LifetimeCollectVisitor<'ast> {
resolver: &'ast ResolverAstLowering,
current_binders: Vec<NodeId>,

16
compiler/rustc_ast_lowering/src/pat.rs
View File

@ -1,17 +1,17 @@
use super::errors::{
ArbitraryExpressionInPattern, ExtraDoubleDot, MisplacedDoubleDot, SubTupleBinding,
};
use super::ResolverAstLoweringExt;
use super::{ImplTraitContext, LoweringContext, ParamMode};
use crate::ImplTraitPosition;
use rustc_ast::ptr::P;
use rustc_ast::*;
use rustc_data_structures::stack::ensure_sufficient_stack;
use rustc_hir as hir;
use rustc_hir::def::Res;
use rustc_span::source_map::Spanned;
use rustc_span::symbol::Ident;
use rustc_span::{source_map::Spanned, Span};
use rustc_span::Span;
use super::errors::{
ArbitraryExpressionInPattern, ExtraDoubleDot, MisplacedDoubleDot, SubTupleBinding,
};
use super::{ImplTraitContext, LoweringContext, ParamMode, ResolverAstLoweringExt};
use crate::ImplTraitPosition;
impl<'a, 'hir> LoweringContext<'a, 'hir> {
pub(crate) fn lower_pat(&mut self, pattern: &Pat) -> &'hir hir::Pat<'hir> {

21
compiler/rustc_ast_lowering/src/path.rs
View File

@ -1,13 +1,3 @@
use crate::ImplTraitPosition;
use super::errors::{
AsyncBoundNotOnTrait, AsyncBoundOnlyForFnTraits, BadReturnTypeNotation,
GenericTypeWithParentheses, UseAngleBrackets,
};
use super::ResolverAstLoweringExt;
use super::{GenericArgsCtor, LifetimeRes, ParenthesizedGenericArgs};
use super::{ImplTraitContext, LoweringContext, ParamMode};
use rustc_ast::{self as ast, *};
use rustc_data_structures::sync::Lrc;
use rustc_hir as hir;
@ -17,10 +7,19 @@ use rustc_hir::GenericArg;
use rustc_middle::span_bug;
use rustc_span::symbol::{kw, sym, Ident};
use rustc_span::{BytePos, DesugaringKind, Span, Symbol, DUMMY_SP};
use smallvec::{smallvec, SmallVec};
use tracing::{debug, instrument};
use super::errors::{
AsyncBoundNotOnTrait, AsyncBoundOnlyForFnTraits, BadReturnTypeNotation,
GenericTypeWithParentheses, UseAngleBrackets,
};
use super::{
GenericArgsCtor, ImplTraitContext, LifetimeRes, LoweringContext, ParamMode,
ParenthesizedGenericArgs, ResolverAstLoweringExt,
};
use crate::ImplTraitPosition;
impl<'a, 'hir> LoweringContext<'a, 'hir> {
#[instrument(level = "trace", skip(self))]
pub(crate) fn lower_qpath(

5
compiler/rustc_ast_passes/src/ast_validation.rs
View File

@ -16,6 +16,9 @@
//! constructions produced by proc macros. This pass is only intended for simple checks that do not
//! require name resolution or type checking, or other kinds of complex analysis.
use std::mem;
use std::ops::{Deref, DerefMut};
use itertools::{Either, Itertools};
use rustc_ast::ptr::P;
use rustc_ast::visit::{walk_list, AssocCtxt, BoundKind, FnCtxt, FnKind, Visitor};
@ -34,8 +37,6 @@ use rustc_session::Session;
use rustc_span::symbol::{kw, sym, Ident};
use rustc_span::Span;
use rustc_target::spec::abi;
use std::mem;
use std::ops::{Deref, DerefMut};
use thin_vec::thin_vec;
use crate::errors::{self, TildeConstReason};

8
compiler/rustc_ast_passes/src/errors.rs
View File

@ -1,11 +1,11 @@
//! Errors emitted by ast_passes.
use rustc_ast::ParamKindOrd;
use rustc_errors::{
codes::*, Applicability, Diag, EmissionGuarantee, SubdiagMessageOp, Subdiagnostic,
};
use rustc_errors::codes::*;
use rustc_errors::{Applicability, Diag, EmissionGuarantee, SubdiagMessageOp, Subdiagnostic};
use rustc_macros::{Diagnostic, Subdiagnostic};
use rustc_span::{symbol::Ident, Span, Symbol};
use rustc_span::symbol::Ident;
use rustc_span::{Span, Symbol};
use crate::fluent_generated as fluent;

3
compiler/rustc_ast_passes/src/feature_gate.rs
View File

@ -1,7 +1,6 @@
use rustc_ast as ast;
use rustc_ast::visit::{self, AssocCtxt, FnCtxt, FnKind, Visitor};
use rustc_ast::{attr, NodeId};
use rustc_ast::{token, PatKind};
use rustc_ast::{attr, token, NodeId, PatKind};
use rustc_feature::{AttributeGate, BuiltinAttribute, Features, GateIssue, BUILTIN_ATTRIBUTE_MAP};
use rustc_session::parse::{feature_err, feature_err_issue, feature_warn};
use rustc_session::Session;

3
compiler/rustc_ast_pretty/src/helpers.rs
View File

@ -1,6 +1,7 @@
use crate::pp::Printer;
use std::borrow::Cow;
use crate::pp::Printer;
impl Printer {
pub fn word_space<W: Into<Cow<'static, str>>>(&mut self, w: W) {
self.word(w);

6
compiler/rustc_ast_pretty/src/pp.rs
View File

@ -135,11 +135,11 @@
mod convenience;
mod ring;
use ring::RingBuffer;
use std::borrow::Cow;
use std::cmp;
use std::collections::VecDeque;
use std::iter;
use std::{cmp, iter};
use ring::RingBuffer;
/// How to break. Described in more detail in the module docs.
#[derive(Clone, Copy, PartialEq)]

3
compiler/rustc_ast_pretty/src/pp/convenience.rs
View File

@ -1,6 +1,7 @@
use crate::pp::{BeginToken, BreakToken, Breaks, IndentStyle, Printer, Token, SIZE_INFINITY};
use std::borrow::Cow;
use crate::pp::{BeginToken, BreakToken, Breaks, IndentStyle, Printer, Token, SIZE_INFINITY};
impl Printer {
/// "raw box"
pub fn rbox(&mut self, indent: isize, breaks: Breaks) {

5
compiler/rustc_ast_pretty/src/pprust/mod.rs
View File

@ -2,13 +2,12 @@
mod tests;
pub mod state;
pub use state::{print_crate, AnnNode, Comments, PpAnn, PrintState, State};
use std::borrow::Cow;
use rustc_ast as ast;
use rustc_ast::token::{Nonterminal, Token, TokenKind};
use rustc_ast::tokenstream::{TokenStream, TokenTree};
use std::borrow::Cow;
pub use state::{print_crate, AnnNode, Comments, PpAnn, PrintState, State};
pub fn nonterminal_to_string(nt: &Nonterminal) -> String {
State::new().nonterminal_to_string(nt)

23
compiler/rustc_ast_pretty/src/pprust/state.rs
View File

@ -6,9 +6,8 @@ mod expr;
mod fixup;
mod item;
use crate::pp::Breaks::{Consistent, Inconsistent};
use crate::pp::{self, Breaks};
use crate::pprust::state::fixup::FixupContext;
use std::borrow::Cow;
use ast::TraitBoundModifiers;
use rustc_ast::attr::AttrIdGenerator;
use rustc_ast::ptr::P;
@ -16,18 +15,21 @@ use rustc_ast::token::{self, BinOpToken, CommentKind, Delimiter, Nonterminal, To
use rustc_ast::tokenstream::{Spacing, TokenStream, TokenTree};
use rustc_ast::util::classify;
use rustc_ast::util::comments::{Comment, CommentStyle};
use rustc_ast::{self as ast, AttrArgs, AttrArgsEq, BlockCheckMode, PatKind, Safety};
use rustc_ast::{attr, BindingMode, ByRef, DelimArgs, RangeEnd, RangeSyntax, Term};
use rustc_ast::{GenericArg, GenericBound, SelfKind};
use rustc_ast::{InlineAsmOperand, InlineAsmRegOrRegClass};
use rustc_ast::{InlineAsmOptions, InlineAsmTemplatePiece};
use rustc_ast::{
self as ast, attr, AttrArgs, AttrArgsEq, BindingMode, BlockCheckMode, ByRef, DelimArgs,
GenericArg, GenericBound, InlineAsmOperand, InlineAsmOptions, InlineAsmRegOrRegClass,
InlineAsmTemplatePiece, PatKind, RangeEnd, RangeSyntax, Safety, SelfKind, Term,
};
use rustc_span::edition::Edition;
use rustc_span::source_map::{SourceMap, Spanned};
use rustc_span::symbol::{kw, sym, Ident, IdentPrinter, Symbol};
use rustc_span::{BytePos, CharPos, FileName, Pos, Span, DUMMY_SP};
use std::borrow::Cow;
use thin_vec::ThinVec;
use crate::pp::Breaks::{Consistent, Inconsistent};
use crate::pp::{self, Breaks};
use crate::pprust::state::fixup::FixupContext;
pub enum MacHeader<'a> {
Path(&'a ast::Path),
Keyword(&'static str),
@ -290,8 +292,7 @@ pub fn print_crate<'a>(
fn space_between(tt1: &TokenTree, tt2: &TokenTree) -> bool {
use token::*;
use Delimiter::*;
use TokenTree::Delimited as Del;
use TokenTree::Token as Tok;
use TokenTree::{Delimited as Del, Token as Tok};
fn is_punct(tt: &TokenTree) -> bool {
matches!(tt, TokenTree::Token(tok, _) if tok.is_punct())

16
compiler/rustc_ast_pretty/src/pprust/state/expr.rs
View File

@ -1,19 +1,19 @@
use crate::pp::Breaks::Inconsistent;
use crate::pprust::state::fixup::FixupContext;
use crate::pprust::state::{AnnNode, PrintState, State, INDENT_UNIT};
use std::fmt::Write;
use ast::{ForLoopKind, MatchKind};
use itertools::{Itertools, Position};
use rustc_ast::ptr::P;
use rustc_ast::token;
use rustc_ast::util::classify;
use rustc_ast::util::literal::escape_byte_str_symbol;
use rustc_ast::util::parser::{self, AssocOp, Fixity};
use rustc_ast::{self as ast, BlockCheckMode};
use rustc_ast::{
FormatAlignment, FormatArgPosition, FormatArgsPiece, FormatCount, FormatDebugHex, FormatSign,
FormatTrait,
self as ast, token, BlockCheckMode, FormatAlignment, FormatArgPosition, FormatArgsPiece,
FormatCount, FormatDebugHex, FormatSign, FormatTrait,
};
use std::fmt::Write;
use crate::pp::Breaks::Inconsistent;
use crate::pprust::state::fixup::FixupContext;
use crate::pprust::state::{AnnNode, PrintState, State, INDENT_UNIT};
impl<'a> State<'a> {
fn print_else(&mut self, els: Option<&ast::Expr>) {

8
compiler/rustc_ast_pretty/src/pprust/state/item.rs
View File

@ -1,7 +1,3 @@
use crate::pp::Breaks::Inconsistent;
use crate::pprust::state::fixup::FixupContext;
use crate::pprust::state::{AnnNode, PrintState, State, INDENT_UNIT};
use ast::StaticItem;
use itertools::{Itertools, Position};
use rustc_ast as ast;
@ -9,6 +5,10 @@ use rustc_ast::ptr::P;
use rustc_ast::ModKind;
use rustc_span::symbol::Ident;
use crate::pp::Breaks::Inconsistent;
use crate::pprust::state::fixup::FixupContext;
use crate::pprust::state::{AnnNode, PrintState, State, INDENT_UNIT};
enum DelegationKind<'a> {
Single,
List(&'a [(Ident, Option<Ident>)]),

7
compiler/rustc_ast_pretty/src/pprust/tests.rs
View File

@ -1,11 +1,10 @@
use super::*;
use rustc_ast as ast;
use rustc_span::create_default_session_globals_then;
use rustc_span::symbol::Ident;
use rustc_span::DUMMY_SP;
use rustc_span::{create_default_session_globals_then, DUMMY_SP};
use thin_vec::ThinVec;
use super::*;
fn fun_to_string(
decl: &ast::FnDecl,
header: ast::FnHeader,

12
compiler/rustc_attr/src/builtin.rs
View File

@ -1,8 +1,12 @@
//! Parsing and validation of builtin attributes
use std::num::NonZero;
use rustc_abi::Align;
use rustc_ast::{self as ast, attr};
use rustc_ast::{Attribute, LitKind, MetaItem, MetaItemKind, MetaItemLit, NestedMetaItem, NodeId};
use rustc_ast::{
self as ast, attr, Attribute, LitKind, MetaItem, MetaItemKind, MetaItemLit, NestedMetaItem,
NodeId,
};
use rustc_ast_pretty::pprust;
use rustc_errors::ErrorGuaranteed;
use rustc_feature::{find_gated_cfg, is_builtin_attr_name, Features, GatedCfg};
@ -13,8 +17,8 @@ use rustc_session::lint::BuiltinLintDiag;
use rustc_session::parse::feature_err;
use rustc_session::{RustcVersion, Session};
use rustc_span::hygiene::Transparency;
use rustc_span::{symbol::sym, symbol::Symbol, Span};
use std::num::NonZero;
use rustc_span::symbol::{sym, Symbol};
use rustc_span::Span;
use crate::session_diagnostics::{self, IncorrectReprFormatGenericCause};

6
compiler/rustc_attr/src/lib.rs
View File

@ -15,12 +15,10 @@ mod builtin;
mod session_diagnostics;
pub use builtin::*;
pub use rustc_ast::attr::*;
pub(crate) use rustc_session::HashStableContext;
pub use IntType::*;
pub use ReprAttr::*;
pub use StabilityLevel::*;
pub use rustc_ast::attr::*;
pub(crate) use rustc_session::HashStableContext;
rustc_fluent_macro::fluent_messages! { "../messages.ftl" }

7
compiler/rustc_attr/src/session_diagnostics.rs
View File

@ -1,13 +1,12 @@
use std::num::IntErrorKind;
use rustc_ast as ast;
use rustc_errors::DiagCtxtHandle;
use rustc_errors::{codes::*, Applicability, Diag, Diagnostic, EmissionGuarantee, Level};
use rustc_errors::codes::*;
use rustc_errors::{Applicability, Diag, DiagCtxtHandle, Diagnostic, EmissionGuarantee, Level};
use rustc_macros::{Diagnostic, Subdiagnostic};
use rustc_span::{Span, Symbol};
use crate::fluent_generated as fluent;
use crate::UnsupportedLiteralReason;
use crate::{fluent_generated as fluent, UnsupportedLiteralReason};
#[derive(Diagnostic)]
#[diag(attr_expected_one_cfg_pattern, code = E0536)]

15
compiler/rustc_borrowck/src/borrow_set.rs
View File

@ -1,16 +1,17 @@
use crate::path_utils::allow_two_phase_borrow;
use crate::place_ext::PlaceExt;
use crate::BorrowIndex;
use std::fmt;
use std::ops::Index;
use rustc_data_structures::fx::{FxIndexMap, FxIndexSet};
use rustc_index::bit_set::BitSet;
use rustc_middle::mir::traversal;
use rustc_middle::mir::visit::{MutatingUseContext, NonUseContext, PlaceContext, Visitor};
use rustc_middle::mir::{self, Body, Local, Location};
use rustc_middle::mir::{self, traversal, Body, Local, Location};
use rustc_middle::span_bug;
use rustc_middle::ty::{RegionVid, TyCtxt};
use rustc_mir_dataflow::move_paths::MoveData;
use std::fmt;
use std::ops::Index;
use crate::path_utils::allow_two_phase_borrow;
use crate::place_ext::PlaceExt;
use crate::BorrowIndex;
pub struct BorrowSet<'tcx> {
/// The fundamental map relating bitvector indexes to the borrows

4
compiler/rustc_borrowck/src/borrowck_errors.rs
View File

@ -1,8 +1,8 @@
#![allow(rustc::diagnostic_outside_of_impl)]
#![allow(rustc::untranslatable_diagnostic)]
use rustc_errors::Applicability;
use rustc_errors::{codes::*, struct_span_code_err, Diag, DiagCtxtHandle};
use rustc_errors::codes::*;
use rustc_errors::{struct_span_code_err, Applicability, Diag, DiagCtxtHandle};
use rustc_hir as hir;
use rustc_middle::span_bug;
use rustc_middle::ty::{self, Ty, TyCtxt};

7
compiler/rustc_borrowck/src/constraints/graph.rs
View File

@ -4,11 +4,8 @@ use rustc_middle::mir::ConstraintCategory;
use rustc_middle::ty::{RegionVid, VarianceDiagInfo};
use rustc_span::DUMMY_SP;
use crate::{
constraints::OutlivesConstraintIndex,
constraints::{OutlivesConstraint, OutlivesConstraintSet},
type_check::Locations,
};
use crate::constraints::{OutlivesConstraint, OutlivesConstraintIndex, OutlivesConstraintSet};
use crate::type_check::Locations;
/// The construct graph organizes the constraints by their end-points.
/// It can be used to view a `R1: R2` constraint as either an edge `R1

12
compiler/rustc_borrowck/src/constraints/mod.rs
View File

@ -1,12 +1,14 @@
use crate::region_infer::{ConstraintSccs, RegionDefinition, RegionTracker};
use crate::type_check::Locations;
use crate::universal_regions::UniversalRegions;
use std::fmt;
use std::ops::Index;
use rustc_index::{IndexSlice, IndexVec};
use rustc_middle::mir::ConstraintCategory;
use rustc_middle::ty::{RegionVid, TyCtxt, VarianceDiagInfo};
use rustc_span::Span;
use std::fmt;
use std::ops::Index;
use crate::region_infer::{ConstraintSccs, RegionDefinition, RegionTracker};
use crate::type_check::Locations;
use crate::universal_regions::UniversalRegions;
pub(crate) mod graph;

22
compiler/rustc_borrowck/src/consumers.rs
View File

@ -1,24 +1,22 @@
//! This file provides API for compiler consumers.
use std::rc::Rc;
use rustc_hir::def_id::LocalDefId;
use rustc_index::{IndexSlice, IndexVec};
use rustc_middle::mir::{Body, Promoted};
use rustc_middle::ty::TyCtxt;
use std::rc::Rc;
pub use super::constraints::OutlivesConstraint;
pub use super::dataflow::{calculate_borrows_out_of_scope_at_location, BorrowIndex, Borrows};
pub use super::facts::{AllFacts as PoloniusInput, RustcFacts};
pub use super::location::{LocationTable, RichLocation};
pub use super::nll::PoloniusOutput;
pub use super::place_ext::PlaceExt;
pub use super::places_conflict::{places_conflict, PlaceConflictBias};
pub use super::region_infer::RegionInferenceContext;
use crate::borrow_set::BorrowSet;
pub use super::{
constraints::OutlivesConstraint,
dataflow::{calculate_borrows_out_of_scope_at_location, BorrowIndex, Borrows},
facts::{AllFacts as PoloniusInput, RustcFacts},
location::{LocationTable, RichLocation},
nll::PoloniusOutput,
place_ext::PlaceExt,
places_conflict::{places_conflict, PlaceConflictBias},
region_infer::RegionInferenceContext,
};
/// Options determining the output behavior of [`get_body_with_borrowck_facts`].
///
/// If executing under `-Z polonius` the choice here has no effect, and everything as if

11
compiler/rustc_borrowck/src/dataflow.rs
View File

@ -1,16 +1,15 @@
use std::fmt;
use rustc_data_structures::fx::FxIndexMap;
use rustc_data_structures::graph;
use rustc_index::bit_set::BitSet;
use rustc_middle::mir::{
self, BasicBlock, Body, CallReturnPlaces, Location, Place, TerminatorEdges,
};
use rustc_middle::ty::RegionVid;
use rustc_middle::ty::TyCtxt;
use rustc_middle::ty::{RegionVid, TyCtxt};
use rustc_mir_dataflow::fmt::DebugWithContext;
use rustc_mir_dataflow::impls::{EverInitializedPlaces, MaybeUninitializedPlaces};
use rustc_mir_dataflow::ResultsVisitable;
use rustc_mir_dataflow::{fmt::DebugWithContext, GenKill};
use rustc_mir_dataflow::{Analysis, AnalysisDomain, Results};
use std::fmt;
use rustc_mir_dataflow::{Analysis, AnalysisDomain, GenKill, Results, ResultsVisitable};
use crate::{places_conflict, BorrowSet, PlaceConflictBias, PlaceExt, RegionInferenceContext};

28
compiler/rustc_borrowck/src/diagnostics/bound_region_errors.rs
View File

@ -1,17 +1,18 @@
use std::fmt;
use std::rc::Rc;
use rustc_errors::Diag;
use rustc_hir::def_id::LocalDefId;
use rustc_infer::infer::canonical::Canonical;
use rustc_infer::infer::region_constraints::Constraint;
use rustc_infer::infer::region_constraints::RegionConstraintData;
use rustc_infer::infer::RegionVariableOrigin;
use rustc_infer::infer::{InferCtxt, RegionResolutionError, SubregionOrigin, TyCtxtInferExt as _};
use rustc_infer::infer::region_constraints::{Constraint, RegionConstraintData};
use rustc_infer::infer::{
InferCtxt, RegionResolutionError, RegionVariableOrigin, SubregionOrigin, TyCtxtInferExt as _,
};
use rustc_infer::traits::ObligationCause;
use rustc_middle::ty::error::TypeError;
use rustc_middle::ty::RePlaceholder;
use rustc_middle::ty::Region;
use rustc_middle::ty::RegionVid;
use rustc_middle::ty::UniverseIndex;
use rustc_middle::ty::{self, Ty, TyCtxt, TypeFoldable};
use rustc_middle::ty::{
self, RePlaceholder, Region, RegionVid, Ty, TyCtxt, TypeFoldable, UniverseIndex,
};
use rustc_span::Span;
use rustc_trait_selection::error_reporting::infer::nice_region_error::NiceRegionError;
use rustc_trait_selection::error_reporting::InferCtxtErrorExt;
@ -19,13 +20,10 @@ use rustc_trait_selection::traits::query::type_op;
use rustc_trait_selection::traits::ObligationCtxt;
use rustc_traits::{type_op_ascribe_user_type_with_span, type_op_prove_predicate_with_cause};
use std::fmt;
use std::rc::Rc;
use crate::region_infer::values::RegionElement;
use crate::session_diagnostics::HigherRankedErrorCause;
use crate::session_diagnostics::HigherRankedLifetimeError;
use crate::session_diagnostics::HigherRankedSubtypeError;
use crate::session_diagnostics::{
HigherRankedErrorCause, HigherRankedLifetimeError, HigherRankedSubtypeError,
};
use crate::MirBorrowckCtxt;
#[derive(Clone)]

35
compiler/rustc_borrowck/src/diagnostics/conflict_errors.rs
View File

@ -3,25 +3,27 @@
#![allow(rustc::diagnostic_outside_of_impl)]
#![allow(rustc::untranslatable_diagnostic)]
use std::iter;
use std::ops::ControlFlow;
use either::Either;
use hir::{ClosureKind, Path};
use rustc_data_structures::captures::Captures;
use rustc_data_structures::fx::FxIndexSet;
use rustc_errors::{codes::*, struct_span_code_err, Applicability, Diag, MultiSpan};
use rustc_errors::codes::*;
use rustc_errors::{struct_span_code_err, Applicability, Diag, MultiSpan};
use rustc_hir as hir;
use rustc_hir::def::{DefKind, Res};
use rustc_hir::intravisit::{walk_block, walk_expr, Map, Visitor};
use rustc_hir::{CoroutineDesugaring, PatField};
use rustc_hir::{CoroutineKind, CoroutineSource, LangItem};
use rustc_hir::{CoroutineDesugaring, CoroutineKind, CoroutineSource, LangItem, PatField};
use rustc_middle::bug;
use rustc_middle::hir::nested_filter::OnlyBodies;
use rustc_middle::mir::tcx::PlaceTy;
use rustc_middle::mir::VarDebugInfoContents;
use rustc_middle::mir::{
self, AggregateKind, BindingForm, BorrowKind, CallSource, ClearCrossCrate, ConstraintCategory,
FakeBorrowKind, FakeReadCause, LocalDecl, LocalInfo, LocalKind, Location, MutBorrowKind,
Operand, Place, PlaceRef, ProjectionElem, Rvalue, Statement, StatementKind, Terminator,
TerminatorKind, VarBindingForm,
TerminatorKind, VarBindingForm, VarDebugInfoContents,
};
use rustc_middle::ty::print::PrintTraitRefExt as _;
use rustc_middle::ty::{
@ -30,8 +32,7 @@ use rustc_middle::ty::{
};
use rustc_middle::util::CallKind;
use rustc_mir_dataflow::move_paths::{InitKind, MoveOutIndex, MovePathIndex};
use rustc_span::def_id::DefId;
use rustc_span::def_id::LocalDefId;
use rustc_span::def_id::{DefId, LocalDefId};
use rustc_span::hygiene::DesugaringKind;
use rustc_span::symbol::{kw, sym, Ident};
use rustc_span::{BytePos, Span, Symbol};
@ -39,22 +40,14 @@ use rustc_trait_selection::error_reporting::traits::FindExprBySpan;
use rustc_trait_selection::error_reporting::InferCtxtErrorExt;
use rustc_trait_selection::infer::InferCtxtExt;
use rustc_trait_selection::traits::{Obligation, ObligationCause, ObligationCtxt};
use std::iter;
use std::ops::ControlFlow;
use crate::borrow_set::TwoPhaseActivation;
use crate::borrowck_errors;
use super::explain_borrow::{BorrowExplanation, LaterUseKind};
use super::{DescribePlaceOpt, RegionName, RegionNameSource, UseSpans};
use crate::borrow_set::{BorrowData, TwoPhaseActivation};
use crate::diagnostics::conflict_errors::StorageDeadOrDrop::LocalStorageDead;
use crate::diagnostics::{find_all_local_uses, CapturedMessageOpt};
use crate::{
borrow_set::BorrowData, diagnostics::Instance, prefixes::IsPrefixOf,
InitializationRequiringAction, MirBorrowckCtxt, WriteKind,
};
use super::{
explain_borrow::{BorrowExplanation, LaterUseKind},
DescribePlaceOpt, RegionName, RegionNameSource, UseSpans,
};
use crate::diagnostics::{find_all_local_uses, CapturedMessageOpt, Instance};
use crate::prefixes::IsPrefixOf;
use crate::{borrowck_errors, InitializationRequiringAction, MirBorrowckCtxt, WriteKind};
#[derive(Debug)]
struct MoveSite {

10
compiler/rustc_borrowck/src/diagnostics/explain_borrow.rs
View File

@ -19,13 +19,11 @@ use rustc_span::symbol::{kw, Symbol};
use rustc_span::{sym, DesugaringKind, Span};
use rustc_trait_selection::error_reporting::traits::FindExprBySpan;
use crate::region_infer::{BlameConstraint, ExtraConstraintInfo};
use crate::{
borrow_set::BorrowData, nll::ConstraintDescription, region_infer::Cause, MirBorrowckCtxt,
WriteKind,
};
use super::{find_use, RegionName, UseSpans};
use crate::borrow_set::BorrowData;
use crate::nll::ConstraintDescription;
use crate::region_infer::{BlameConstraint, Cause, ExtraConstraintInfo};
use crate::{MirBorrowckCtxt, WriteKind};
#[derive(Debug)]
pub(crate) enum BorrowExplanation<'tcx> {

7
compiler/rustc_borrowck/src/diagnostics/find_use.rs
View File

@ -1,15 +1,14 @@
use std::collections::VecDeque;
use std::rc::Rc;
use crate::{
def_use::{self, DefUse},
region_infer::{Cause, RegionInferenceContext},
};
use rustc_data_structures::fx::FxIndexSet;
use rustc_middle::mir::visit::{MirVisitable, PlaceContext, Visitor};
use rustc_middle::mir::{self, Body, Local, Location};
use rustc_middle::ty::{RegionVid, TyCtxt};
use crate::def_use::{self, DefUse};
use crate::region_infer::{Cause, RegionInferenceContext};
pub(crate) fn find<'tcx>(
body: &Body<'tcx>,
regioncx: &Rc<RegionInferenceContext<'tcx>>,

23
compiler/rustc_borrowck/src/diagnostics/mod.rs
View File

@ -1,14 +1,8 @@
//! Borrow checker diagnostics.
use crate::session_diagnostics::{
CaptureArgLabel, CaptureReasonLabel, CaptureReasonNote, CaptureReasonSuggest, CaptureVarCause,
CaptureVarKind, CaptureVarPathUseCause, OnClosureNote,
};
use rustc_errors::MultiSpan;
use rustc_errors::{Applicability, Diag};
use rustc_errors::{Applicability, Diag, MultiSpan};
use rustc_hir::def::{CtorKind, Namespace};
use rustc_hir::CoroutineKind;
use rustc_hir::{self as hir, LangItem};
use rustc_hir::{self as hir, CoroutineKind, LangItem};
use rustc_index::IndexSlice;
use rustc_infer::infer::BoundRegionConversionTime;
use rustc_infer::traits::SelectionError;
@ -25,7 +19,8 @@ use rustc_middle::util::{call_kind, CallDesugaringKind};
use rustc_mir_dataflow::move_paths::{InitLocation, LookupResult};
use rustc_span::def_id::LocalDefId;
use rustc_span::source_map::Spanned;
use rustc_span::{symbol::sym, Span, Symbol, DUMMY_SP};
use rustc_span::symbol::sym;
use rustc_span::{Span, Symbol, DUMMY_SP};
use rustc_target::abi::{FieldIdx, VariantIdx};
use rustc_trait_selection::error_reporting::InferCtxtErrorExt;
use rustc_trait_selection::infer::InferCtxtExt;
@ -33,10 +28,13 @@ use rustc_trait_selection::traits::{
type_known_to_meet_bound_modulo_regions, FulfillmentErrorCode,
};
use crate::fluent_generated as fluent;
use super::borrow_set::BorrowData;
use super::MirBorrowckCtxt;
use crate::fluent_generated as fluent;
use crate::session_diagnostics::{
CaptureArgLabel, CaptureReasonLabel, CaptureReasonNote, CaptureReasonSuggest, CaptureVarCause,
CaptureVarKind, CaptureVarPathUseCause, OnClosureNote,
};
mod find_all_local_uses;
mod find_use;
@ -599,8 +597,9 @@ impl UseSpans<'_> {
err: &mut Diag<'_>,
action: crate::InitializationRequiringAction,
) {
use crate::InitializationRequiringAction::*;
use CaptureVarPathUseCause::*;
use crate::InitializationRequiringAction::*;
if let UseSpans::ClosureUse { closure_kind, path_span, .. } = self {
match closure_kind {
hir::ClosureKind::Coroutine(_) => {

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

@ -11,8 +11,7 @@ use rustc_mir_dataflow::move_paths::{LookupResult, MovePathIndex};
use rustc_span::{BytePos, ExpnKind, MacroKind, Span};
use rustc_trait_selection::error_reporting::traits::FindExprBySpan;
use crate::diagnostics::CapturedMessageOpt;
use crate::diagnostics::{DescribePlaceOpt, UseSpans};
use crate::diagnostics::{CapturedMessageOpt, DescribePlaceOpt, UseSpans};
use crate::prefixes::PrefixSet;
use crate::MirBorrowckCtxt;

17
compiler/rustc_borrowck/src/diagnostics/mutability_errors.rs
View File

@ -2,17 +2,18 @@
#![allow(rustc::untranslatable_diagnostic)]
use core::ops::ControlFlow;
use hir::{ExprKind, Param};
use rustc_errors::{Applicability, Diag};
use rustc_hir::intravisit::Visitor;
use rustc_hir::{self as hir, BindingMode, ByRef, Node};
use rustc_middle::bug;
use rustc_middle::mir::{Mutability, Place, PlaceRef, ProjectionElem};
use rustc_middle::ty::{self, InstanceKind, Ty, TyCtxt, Upcast};
use rustc_middle::{
hir::place::PlaceBase,
mir::{self, BindingForm, Local, LocalDecl, LocalInfo, LocalKind, Location},
use rustc_middle::hir::place::PlaceBase;
use rustc_middle::mir::{
self, BindingForm, Local, LocalDecl, LocalInfo, LocalKind, Location, Mutability, Place,
PlaceRef, ProjectionElem,
};
use rustc_middle::ty::{self, InstanceKind, Ty, TyCtxt, Upcast};
use rustc_span::symbol::{kw, Symbol};
use rustc_span::{sym, BytePos, DesugaringKind, Span};
use rustc_target::abi::FieldIdx;
@ -847,10 +848,8 @@ impl<'infcx, 'tcx> MirBorrowckCtxt<'_, '_, 'infcx, 'tcx> {
// Attempt to search similar mutable associated items for suggestion.
// In the future, attempt in all path but initially for RHS of for_loop
fn suggest_similar_mut_method_for_for_loop(&self, err: &mut Diag<'_>, span: Span) {
use hir::{
BorrowKind, Expr,
ExprKind::{AddrOf, Block, Call, MethodCall},
};
use hir::ExprKind::{AddrOf, Block, Call, MethodCall};
use hir::{BorrowKind, Expr};
let hir_map = self.infcx.tcx.hir();
struct Finder {

6
compiler/rustc_borrowck/src/diagnostics/outlives_suggestion.rs
View File

@ -4,15 +4,15 @@
#![allow(rustc::diagnostic_outside_of_impl)]
#![allow(rustc::untranslatable_diagnostic)]
use std::collections::BTreeMap;
use rustc_data_structures::fx::FxIndexSet;
use rustc_errors::Diag;
use rustc_middle::ty::RegionVid;
use smallvec::SmallVec;
use std::collections::BTreeMap;
use crate::MirBorrowckCtxt;
use super::{ErrorConstraintInfo, RegionName, RegionNameSource};
use crate::MirBorrowckCtxt;
/// The different things we could suggest.
enum SuggestedConstraint {

21
compiler/rustc_borrowck/src/diagnostics/region_errors.rs
View File

@ -14,10 +14,7 @@ use rustc_infer::infer::{NllRegionVariableOrigin, RelateParamBound};
use rustc_middle::bug;
use rustc_middle::hir::place::PlaceBase;
use rustc_middle::mir::{ConstraintCategory, ReturnConstraint};
use rustc_middle::ty::GenericArgs;
use rustc_middle::ty::TypeVisitor;
use rustc_middle::ty::{self, RegionVid, Ty};
use rustc_middle::ty::{Region, TyCtxt};
use rustc_middle::ty::{self, GenericArgs, Region, RegionVid, Ty, TyCtxt, TypeVisitor};
use rustc_span::symbol::{kw, Ident};
use rustc_span::Span;
use rustc_trait_selection::error_reporting::infer::nice_region_error::{
@ -29,20 +26,16 @@ use rustc_trait_selection::error_reporting::InferCtxtErrorExt;
use rustc_trait_selection::infer::InferCtxtExt;
use rustc_trait_selection::traits::{Obligation, ObligationCtxt};
use crate::borrowck_errors;
use super::{OutlivesSuggestionBuilder, RegionName, RegionNameSource};
use crate::nll::ConstraintDescription;
use crate::region_infer::values::RegionElement;
use crate::region_infer::{BlameConstraint, ExtraConstraintInfo, TypeTest};
use crate::session_diagnostics::{
FnMutError, FnMutReturnTypeErr, GenericDoesNotLiveLongEnough, LifetimeOutliveErr,
LifetimeReturnCategoryErr, RequireStaticErr, VarHereDenote,
};
use super::{OutlivesSuggestionBuilder, RegionName, RegionNameSource};
use crate::region_infer::{BlameConstraint, ExtraConstraintInfo};
use crate::{
nll::ConstraintDescription,
region_infer::{values::RegionElement, TypeTest},
universal_regions::DefiningTy,
MirBorrowckCtxt,
};
use crate::universal_regions::DefiningTy;
use crate::{borrowck_errors, MirBorrowckCtxt};
impl<'tcx> ConstraintDescription for ConstraintCategory<'tcx> {
fn description(&self) -> &'static str {

6
compiler/rustc_borrowck/src/diagnostics/region_name.rs
View File

@ -9,14 +9,14 @@ use rustc_errors::Diag;
use rustc_hir as hir;
use rustc_hir::def::{DefKind, Res};
use rustc_middle::ty::print::RegionHighlightMode;
use rustc_middle::ty::{self, RegionVid, Ty};
use rustc_middle::ty::{GenericArgKind, GenericArgsRef};
use rustc_middle::ty::{self, GenericArgKind, GenericArgsRef, RegionVid, Ty};
use rustc_middle::{bug, span_bug};
use rustc_span::symbol::{kw, sym, Symbol};
use rustc_span::{Span, DUMMY_SP};
use rustc_trait_selection::error_reporting::InferCtxtErrorExt;
use crate::{universal_regions::DefiningTy, MirBorrowckCtxt};
use crate::universal_regions::DefiningTy;
use crate::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`.

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

@ -1,10 +1,11 @@
use crate::region_infer::RegionInferenceContext;
use rustc_index::IndexSlice;
use rustc_middle::mir::{Body, Local};
use rustc_middle::ty::{self, RegionVid, TyCtxt};
use rustc_span::symbol::Symbol;
use rustc_span::Span;
use crate::region_infer::RegionInferenceContext;
impl<'tcx> RegionInferenceContext<'tcx> {
pub(crate) fn get_var_name_and_span_for_region(
&self,

17
compiler/rustc_borrowck/src/facts.rs
View File

@ -1,17 +1,18 @@
use crate::location::{LocationIndex, LocationTable};
use crate::BorrowIndex;
use polonius_engine::AllFacts as PoloniusFacts;
use polonius_engine::Atom;
use rustc_macros::extension;
use rustc_middle::mir::Local;
use rustc_middle::ty::{RegionVid, TyCtxt};
use rustc_mir_dataflow::move_paths::MovePathIndex;
use std::error::Error;
use std::fmt::Debug;
use std::fs::{self, File};
use std::io::{BufWriter, Write};
use std::path::Path;
use polonius_engine::{AllFacts as PoloniusFacts, Atom};
use rustc_macros::extension;
use rustc_middle::mir::Local;
use rustc_middle::ty::{RegionVid, TyCtxt};
use rustc_mir_dataflow::move_paths::MovePathIndex;
use crate::location::{LocationIndex, LocationTable};
use crate::BorrowIndex;
#[derive(Copy, Clone, Debug)]
pub struct RustcFacts;

42
compiler/rustc_borrowck/src/lib.rs
View File

@ -17,6 +17,13 @@
#[macro_use]
extern crate tracing;
use std::cell::RefCell;
use std::collections::BTreeMap;
use std::marker::PhantomData;
use std::ops::Deref;
use std::rc::Rc;
use consumers::{BodyWithBorrowckFacts, ConsumerOptions};
use rustc_data_structures::fx::{FxIndexMap, FxIndexSet};
use rustc_data_structures::graph::dominators::Dominators;
use rustc_errors::Diag;
@ -24,40 +31,31 @@ use rustc_hir as hir;
use rustc_hir::def_id::LocalDefId;
use rustc_index::bit_set::{BitSet, ChunkedBitSet};
use rustc_index::{IndexSlice, IndexVec};
use rustc_infer::infer::TyCtxtInferExt;
use rustc_infer::infer::{InferCtxt, NllRegionVariableOrigin, RegionVariableOrigin};
use rustc_infer::infer::{
InferCtxt, NllRegionVariableOrigin, RegionVariableOrigin, TyCtxtInferExt,
};
use rustc_middle::mir::tcx::PlaceTy;
use rustc_middle::mir::*;
use rustc_middle::query::Providers;
use rustc_middle::ty::{self, ParamEnv, RegionVid, TyCtxt};
use rustc_middle::{bug, span_bug};
use rustc_session::lint::builtin::UNUSED_MUT;
use rustc_span::{Span, Symbol};
use rustc_target::abi::FieldIdx;
use smallvec::SmallVec;
use std::cell::RefCell;
use std::collections::BTreeMap;
use std::marker::PhantomData;
use std::ops::Deref;
use std::rc::Rc;
use rustc_mir_dataflow::impls::{
EverInitializedPlaces, MaybeInitializedPlaces, MaybeUninitializedPlaces,
};
use rustc_mir_dataflow::move_paths::{InitIndex, MoveOutIndex, MovePathIndex};
use rustc_mir_dataflow::move_paths::{InitLocation, LookupResult, MoveData};
use rustc_mir_dataflow::Analysis;
use rustc_mir_dataflow::MoveDataParamEnv;
use crate::session_diagnostics::VarNeedNotMut;
use rustc_mir_dataflow::move_paths::{
InitIndex, InitLocation, LookupResult, MoveData, MoveOutIndex, MovePathIndex,
};
use rustc_mir_dataflow::{Analysis, MoveDataParamEnv};
use rustc_session::lint::builtin::UNUSED_MUT;
use rustc_span::{Span, Symbol};
use rustc_target::abi::FieldIdx;
use smallvec::SmallVec;
use self::diagnostics::{AccessKind, IllegalMoveOriginKind, MoveError, RegionName};
use self::location::LocationTable;
use self::prefixes::PrefixSet;
use consumers::{BodyWithBorrowckFacts, ConsumerOptions};
use self::path_utils::*;
use self::prefixes::PrefixSet;
use crate::session_diagnostics::VarNeedNotMut;
pub mod borrow_set;
mod borrowck_errors;

5
compiler/rustc_borrowck/src/member_constraints.rs
View File

@ -1,11 +1,12 @@
use std::hash::Hash;
use std::ops::Index;
use rustc_data_structures::captures::Captures;
use rustc_data_structures::fx::FxIndexMap;
use rustc_index::{IndexSlice, IndexVec};
use rustc_middle::infer::MemberConstraint;
use rustc_middle::ty::{self, Ty};
use rustc_span::Span;
use std::hash::Hash;
use std::ops::Index;
/// Compactly stores a set of `R0 member of [R1...Rn]` constraints,
/// indexed by the region `R0`.

38
compiler/rustc_borrowck/src/nll.rs
View File

@ -1,11 +1,18 @@
//! The entry point of the NLL borrow checker.
use std::path::PathBuf;
use std::rc::Rc;
use std::str::FromStr;
use std::{env, io};
use polonius_engine::{Algorithm, Output};
use rustc_data_structures::fx::FxIndexMap;
use rustc_hir::def_id::LocalDefId;
use rustc_index::IndexSlice;
use rustc_middle::mir::{create_dump_file, dump_enabled, dump_mir, PassWhere};
use rustc_middle::mir::{Body, ClosureOutlivesSubject, ClosureRegionRequirements, Promoted};
use rustc_middle::mir::{
create_dump_file, dump_enabled, dump_mir, Body, ClosureOutlivesSubject,
ClosureRegionRequirements, PassWhere, Promoted,
};
use rustc_middle::ty::print::with_no_trimmed_paths;
use rustc_middle::ty::{self, OpaqueHiddenType, TyCtxt};
use rustc_mir_dataflow::impls::MaybeInitializedPlaces;
@ -13,25 +20,16 @@ use rustc_mir_dataflow::move_paths::MoveData;
use rustc_mir_dataflow::points::DenseLocationMap;
use rustc_mir_dataflow::ResultsCursor;
use rustc_span::symbol::sym;
use std::env;
use std::io;
use std::path::PathBuf;
use std::rc::Rc;
use std::str::FromStr;
use crate::{
borrow_set::BorrowSet,
consumers::ConsumerOptions,
diagnostics::RegionErrors,
facts::{AllFacts, AllFactsExt, RustcFacts},
location::LocationTable,
polonius,
region_infer::RegionInferenceContext,
renumber,
type_check::{self, MirTypeckRegionConstraints, MirTypeckResults},
universal_regions::UniversalRegions,
BorrowckInferCtxt,
};
use crate::borrow_set::BorrowSet;
use crate::consumers::ConsumerOptions;
use crate::diagnostics::RegionErrors;
use crate::facts::{AllFacts, AllFactsExt, RustcFacts};
use crate::location::LocationTable;
use crate::region_infer::RegionInferenceContext;
use crate::type_check::{self, MirTypeckRegionConstraints, MirTypeckResults};
use crate::universal_regions::UniversalRegions;
use crate::{polonius, renumber, BorrowckInferCtxt};
pub type PoloniusOutput = Output<RustcFacts>;

10
compiler/rustc_borrowck/src/path_utils.rs
View File

@ -1,13 +1,11 @@
use crate::borrow_set::{BorrowData, BorrowSet, TwoPhaseActivation};
use crate::places_conflict;
use crate::AccessDepth;
use crate::BorrowIndex;
use rustc_data_structures::graph::dominators::Dominators;
use rustc_middle::mir::BorrowKind;
use rustc_middle::mir::{BasicBlock, Body, Location, Place, PlaceRef, ProjectionElem};
use rustc_middle::mir::{BasicBlock, Body, BorrowKind, Location, Place, PlaceRef, ProjectionElem};
use rustc_middle::ty::TyCtxt;
use rustc_target::abi::FieldIdx;
use crate::borrow_set::{BorrowData, BorrowSet, TwoPhaseActivation};
use crate::{places_conflict, AccessDepth, BorrowIndex};
/// Returns `true` if the borrow represented by `kind` is
/// allowed to be split into separate Reservation and
/// Activation phases.

6
compiler/rustc_borrowck/src/place_ext.rs
View File

@ -1,10 +1,10 @@
use crate::borrow_set::LocalsStateAtExit;
use rustc_hir as hir;
use rustc_macros::extension;
use rustc_middle::mir::ProjectionElem;
use rustc_middle::mir::{Body, Mutability, Place};
use rustc_middle::mir::{Body, Mutability, Place, ProjectionElem};
use rustc_middle::ty::{self, TyCtxt};
use crate::borrow_set::LocalsStateAtExit;
#[extension(pub trait PlaceExt<'tcx>)]
impl<'tcx> Place<'tcx> {
/// Returns `true` if we can safely ignore borrows of this place.

10
compiler/rustc_borrowck/src/places_conflict.rs
View File

@ -50,17 +50,17 @@
//! and either equal or disjoint.
//! - If we did run out of access, the borrow can access a part of it.
use crate::ArtificialField;
use crate::Overlap;
use crate::{AccessDepth, Deep, Shallow};
use std::cmp::max;
use std::iter;
use rustc_hir as hir;
use rustc_middle::bug;
use rustc_middle::mir::{
Body, BorrowKind, FakeBorrowKind, MutBorrowKind, Place, PlaceElem, PlaceRef, ProjectionElem,
};
use rustc_middle::ty::{self, TyCtxt};
use std::cmp::max;
use std::iter;
use crate::{AccessDepth, ArtificialField, Deep, Overlap, Shallow};
/// When checking if a place conflicts with another place, this enum is used to influence decisions
/// where a place might be equal or disjoint with another place, such as if `a[i] == a[j]`.

16
compiler/rustc_borrowck/src/polonius/loan_invalidations.rs
View File

@ -2,17 +2,19 @@ use rustc_data_structures::graph::dominators::Dominators;
use rustc_middle::bug;
use rustc_middle::mir::visit::Visitor;
use rustc_middle::mir::{
self, BasicBlock, Body, FakeBorrowKind, Location, NonDivergingIntrinsic, Place, Rvalue,
self, BasicBlock, Body, BorrowKind, FakeBorrowKind, InlineAsmOperand, Location, Mutability,
NonDivergingIntrinsic, Operand, Place, Rvalue, Statement, StatementKind, Terminator,
TerminatorKind,
};
use rustc_middle::mir::{BorrowKind, Mutability, Operand};
use rustc_middle::mir::{InlineAsmOperand, Terminator, TerminatorKind};
use rustc_middle::mir::{Statement, StatementKind};
use rustc_middle::ty::TyCtxt;
use crate::borrow_set::BorrowSet;
use crate::facts::AllFacts;
use crate::location::LocationTable;
use crate::path_utils::*;
use crate::{
borrow_set::BorrowSet, facts::AllFacts, location::LocationTable, path_utils::*, AccessDepth,
Activation, ArtificialField, BorrowIndex, Deep, LocalMutationIsAllowed, Read, ReadKind,
ReadOrWrite, Reservation, Shallow, Write, WriteKind,
AccessDepth, Activation, ArtificialField, BorrowIndex, Deep, LocalMutationIsAllowed, Read,
ReadKind, ReadOrWrite, Reservation, Shallow, Write, WriteKind,
};
/// Emit `loan_invalidated_at` facts.

5
compiler/rustc_borrowck/src/polonius/loan_kills.rs
View File

@ -5,7 +5,10 @@ use rustc_middle::mir::{
};
use rustc_middle::ty::TyCtxt;
use crate::{borrow_set::BorrowSet, facts::AllFacts, location::LocationTable, places_conflict};
use crate::borrow_set::BorrowSet;
use crate::facts::AllFacts;
use crate::location::LocationTable;
use crate::places_conflict;
/// Emit `loan_killed_at` and `cfg_edge` facts at the same time.
pub(super) fn emit_loan_kills<'tcx>(

4
compiler/rustc_borrowck/src/prefixes.rs
View File

@ -4,10 +4,10 @@
//! is borrowed. But: writing `a` is legal if `*a` is borrowed,
//! whether or not `a` is a shared or mutable reference. [...] "
use super::MirBorrowckCtxt;
use rustc_middle::mir::{PlaceRef, ProjectionElem};
use super::MirBorrowckCtxt;
pub trait IsPrefixOf<'tcx> {
fn is_prefix_of(&self, other: PlaceRef<'tcx>) -> bool;
}

8
compiler/rustc_borrowck/src/region_infer/dump_mir.rs
View File

@ -3,11 +3,13 @@
//! state of region inference. This code handles emitting the region
//! context internal state.
use super::{OutlivesConstraint, RegionInferenceContext};
use crate::type_check::Locations;
use std::io::{self, Write};
use rustc_infer::infer::NllRegionVariableOrigin;
use rustc_middle::ty::TyCtxt;
use std::io::{self, Write};
use super::{OutlivesConstraint, RegionInferenceContext};
use crate::type_check::Locations;
// Room for "'_#NNNNr" before things get misaligned.
// Easy enough to fix if this ever doesn't seem like

3
compiler/rustc_borrowck/src/region_infer/graphviz.rs
View File

@ -5,11 +5,12 @@
use std::borrow::Cow;
use std::io::{self, Write};
use super::*;
use itertools::Itertools;
use rustc_graphviz as dot;
use rustc_middle::ty::UniverseIndex;
use super::*;
fn render_outlives_constraint(constraint: &OutlivesConstraint<'_>) -> String {
match constraint.locations {
Locations::All(_) => "All(...)".to_string(),

26
compiler/rustc_borrowck/src/region_infer/mod.rs
View File

@ -17,27 +17,25 @@ use rustc_middle::mir::{
ClosureRegionRequirements, ConstraintCategory, Local, Location, ReturnConstraint,
TerminatorKind,
};
use rustc_middle::traits::ObligationCause;
use rustc_middle::traits::ObligationCauseCode;
use rustc_middle::traits::{ObligationCause, ObligationCauseCode};
use rustc_middle::ty::{self, RegionVid, Ty, TyCtxt, TypeFoldable, UniverseIndex};
use rustc_mir_dataflow::points::DenseLocationMap;
use rustc_span::Span;
use crate::constraints::graph::{self, NormalConstraintGraph, RegionGraph};
use crate::constraints::{ConstraintSccIndex, OutlivesConstraint, OutlivesConstraintSet};
use crate::dataflow::BorrowIndex;
use crate::{
constraints::{ConstraintSccIndex, OutlivesConstraint, OutlivesConstraintSet},
diagnostics::{RegionErrorKind, RegionErrors, UniverseInfo},
member_constraints::{MemberConstraintSet, NllMemberConstraintIndex},
nll::PoloniusOutput,
region_infer::reverse_sccs::ReverseSccGraph,
region_infer::values::{
LivenessValues, PlaceholderIndices, RegionElement, RegionValues, ToElementIndex,
},
type_check::{free_region_relations::UniversalRegionRelations, Locations},
universal_regions::UniversalRegions,
BorrowckInferCtxt,
use crate::diagnostics::{RegionErrorKind, RegionErrors, UniverseInfo};
use crate::member_constraints::{MemberConstraintSet, NllMemberConstraintIndex};
use crate::nll::PoloniusOutput;
use crate::region_infer::reverse_sccs::ReverseSccGraph;
use crate::region_infer::values::{
LivenessValues, PlaceholderIndices, RegionElement, RegionValues, ToElementIndex,
};
use crate::type_check::free_region_relations::UniversalRegionRelations;
use crate::type_check::Locations;
use crate::universal_regions::UniversalRegions;
use crate::BorrowckInferCtxt;
mod dump_mir;
mod graphviz;

14
compiler/rustc_borrowck/src/region_infer/opaque_types.rs
View File

@ -3,22 +3,20 @@ use rustc_errors::ErrorGuaranteed;
use rustc_hir::def::DefKind;
use rustc_hir::def_id::LocalDefId;
use rustc_hir::OpaqueTyOrigin;
use rustc_infer::infer::TyCtxtInferExt as _;
use rustc_infer::infer::{InferCtxt, NllRegionVariableOrigin};
use rustc_infer::infer::{InferCtxt, NllRegionVariableOrigin, TyCtxtInferExt as _};
use rustc_infer::traits::{Obligation, ObligationCause};
use rustc_macros::extension;
use rustc_middle::ty::visit::TypeVisitableExt;
use rustc_middle::ty::{self, OpaqueHiddenType, OpaqueTypeKey, Ty, TyCtxt, TypeFoldable};
use rustc_middle::ty::{GenericArgKind, GenericArgs};
use rustc_middle::ty::{
self, GenericArgKind, GenericArgs, OpaqueHiddenType, OpaqueTypeKey, Ty, TyCtxt, TypeFoldable,
};
use rustc_span::Span;
use rustc_trait_selection::error_reporting::InferCtxtErrorExt;
use rustc_trait_selection::traits::ObligationCtxt;
use crate::session_diagnostics::LifetimeMismatchOpaqueParam;
use crate::session_diagnostics::NonGenericOpaqueTypeParam;
use crate::universal_regions::RegionClassification;
use super::RegionInferenceContext;
use crate::session_diagnostics::{LifetimeMismatchOpaqueParam, NonGenericOpaqueTypeParam};
use crate::universal_regions::RegionClassification;
impl<'tcx> RegionInferenceContext<'tcx> {
/// Resolve any opaque types that were encountered while borrow checking

8
compiler/rustc_borrowck/src/region_infer/reverse_sccs.rs
View File

@ -1,10 +1,12 @@
use crate::constraints::ConstraintSccIndex;
use crate::RegionInferenceContext;
use std::ops::Range;
use rustc_data_structures::fx::{FxIndexMap, FxIndexSet};
use rustc_data_structures::graph;
use rustc_data_structures::graph::vec_graph::VecGraph;
use rustc_middle::ty::RegionVid;
use std::ops::Range;
use crate::constraints::ConstraintSccIndex;
use crate::RegionInferenceContext;
pub(crate) struct ReverseSccGraph {
graph: VecGraph<ConstraintSccIndex>,

11
compiler/rustc_borrowck/src/region_infer/values.rs
View File

@ -1,14 +1,13 @@
use rustc_data_structures::fx::FxHashSet;
use rustc_data_structures::fx::FxIndexSet;
use std::fmt::Debug;
use std::rc::Rc;
use rustc_data_structures::fx::{FxHashSet, FxIndexSet};
use rustc_index::bit_set::SparseBitMatrix;
use rustc_index::interval::IntervalSet;
use rustc_index::interval::SparseIntervalMatrix;
use rustc_index::interval::{IntervalSet, SparseIntervalMatrix};
use rustc_index::Idx;
use rustc_middle::mir::{BasicBlock, Location};
use rustc_middle::ty::{self, RegionVid};
use rustc_mir_dataflow::points::{DenseLocationMap, PointIndex};
use std::fmt::Debug;
use std::rc::Rc;
use crate::BorrowIndex;

6
compiler/rustc_borrowck/src/renumber.rs
View File

@ -1,12 +1,12 @@
use crate::BorrowckInferCtxt;
use rustc_index::IndexSlice;
use rustc_infer::infer::NllRegionVariableOrigin;
use rustc_middle::mir::visit::{MutVisitor, TyContext};
use rustc_middle::mir::{Body, ConstOperand, Location, Promoted};
use rustc_middle::ty::GenericArgsRef;
use rustc_middle::ty::{self, Ty, TyCtxt, TypeFoldable};
use rustc_middle::ty::{self, GenericArgsRef, Ty, TyCtxt, TypeFoldable};
use rustc_span::Symbol;
use crate::BorrowckInferCtxt;
/// Replaces all free regions appearing in the MIR with fresh
/// inference variables, returning the number of variables created.
#[instrument(skip(infcx, body, promoted), level = "debug")]

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

@ -1,4 +1,5 @@
use rustc_errors::{codes::*, MultiSpan};
use rustc_errors::codes::*;
use rustc_errors::MultiSpan;
use rustc_macros::{Diagnostic, LintDiagnostic, Subdiagnostic};
use rustc_middle::ty::{GenericArg, Ty};
use rustc_span::Span;

3
compiler/rustc_borrowck/src/type_check/canonical.rs
View File

@ -10,9 +10,8 @@ use rustc_span::Span;
use rustc_trait_selection::traits::query::type_op::{self, TypeOpOutput};
use rustc_trait_selection::traits::ObligationCause;
use crate::diagnostics::ToUniverseInfo;
use super::{Locations, NormalizeLocation, TypeChecker};
use crate::diagnostics::ToUniverseInfo;
impl<'a, 'tcx> TypeChecker<'a, 'tcx> {
/// Given some operation `op` that manipulates types, proves

10
compiler/rustc_borrowck/src/type_check/constraint_conversion.rs
View File

@ -14,12 +14,10 @@ use rustc_trait_selection::traits::query::type_op::custom::CustomTypeOp;
use rustc_trait_selection::traits::query::type_op::{TypeOp, TypeOpOutput};
use rustc_trait_selection::traits::ScrubbedTraitError;
use crate::{
constraints::OutlivesConstraint,
region_infer::TypeTest,
type_check::{Locations, MirTypeckRegionConstraints},
universal_regions::UniversalRegions,
};
use crate::constraints::OutlivesConstraint;
use crate::region_infer::TypeTest;
use crate::type_check::{Locations, MirTypeckRegionConstraints};
use crate::universal_regions::UniversalRegions;
pub(crate) struct ConstraintConversion<'a, 'tcx> {
infcx: &'a InferCtxt<'tcx>,

13
compiler/rustc_borrowck/src/type_check/free_region_relations.rs
View File

@ -1,11 +1,12 @@
use std::rc::Rc;
use rustc_data_structures::frozen::Frozen;
use rustc_data_structures::transitive_relation::{TransitiveRelation, TransitiveRelationBuilder};
use rustc_hir::def::DefKind;
use rustc_infer::infer::canonical::QueryRegionConstraints;
use rustc_infer::infer::outlives;
use rustc_infer::infer::outlives::env::RegionBoundPairs;
use rustc_infer::infer::region_constraints::GenericKind;
use rustc_infer::infer::InferCtxt;
use rustc_infer::infer::{outlives, InferCtxt};
use rustc_middle::mir::ConstraintCategory;
use rustc_middle::traits::query::OutlivesBound;
use rustc_middle::traits::ObligationCause;
@ -14,14 +15,10 @@ use rustc_span::{ErrorGuaranteed, Span};
use rustc_trait_selection::error_reporting::InferCtxtErrorExt;
use rustc_trait_selection::solve::deeply_normalize;
use rustc_trait_selection::traits::query::type_op::{self, TypeOp};
use std::rc::Rc;
use type_op::TypeOpOutput;
use crate::{
type_check::constraint_conversion,
type_check::{Locations, MirTypeckRegionConstraints},
universal_regions::UniversalRegions,
};
use crate::type_check::{constraint_conversion, Locations, MirTypeckRegionConstraints};
use crate::universal_regions::UniversalRegions;
#[derive(Debug)]
pub(crate) struct UniversalRegionRelations<'tcx> {

3
compiler/rustc_borrowck/src/type_check/input_output.rs
View File

@ -16,11 +16,10 @@ use rustc_middle::mir::*;
use rustc_middle::ty::{self, Ty};
use rustc_span::Span;
use super::{Locations, TypeChecker};
use crate::renumber::RegionCtxt;
use crate::universal_regions::{DefiningTy, UniversalRegions};
use super::{Locations, TypeChecker};
impl<'a, 'tcx> TypeChecker<'a, 'tcx> {
/// Check explicit closure signature annotation,
/// e.g., `|x: FxIndexMap<_, &'static u32>| ...`.

11
compiler/rustc_borrowck/src/type_check/liveness/mod.rs
View File

@ -1,3 +1,5 @@
use std::rc::Rc;
use itertools::{Either, Itertools};
use rustc_data_structures::fx::FxHashSet;
use rustc_middle::mir::visit::{TyContext, Visitor};
@ -9,14 +11,11 @@ use rustc_mir_dataflow::impls::MaybeInitializedPlaces;
use rustc_mir_dataflow::move_paths::MoveData;
use rustc_mir_dataflow::points::DenseLocationMap;
use rustc_mir_dataflow::ResultsCursor;
use std::rc::Rc;
use crate::{
constraints::OutlivesConstraintSet, region_infer::values::LivenessValues,
universal_regions::UniversalRegions,
};
use super::TypeChecker;
use crate::constraints::OutlivesConstraintSet;
use crate::region_infer::values::LivenessValues;
use crate::universal_regions::UniversalRegions;
mod local_use_map;
mod polonius;

4
compiler/rustc_borrowck/src/type_check/liveness/polonius.rs
View File

@ -1,11 +1,11 @@
use crate::def_use::{self, DefUse};
use crate::location::{LocationIndex, LocationTable};
use rustc_middle::mir::visit::{MutatingUseContext, PlaceContext, Visitor};
use rustc_middle::mir::{Body, Local, Location, Place};
use rustc_middle::ty::GenericArg;
use rustc_mir_dataflow::move_paths::{LookupResult, MoveData, MovePathIndex};
use super::TypeChecker;
use crate::def_use::{self, DefUse};
use crate::location::{LocationIndex, LocationTable};
type VarPointRelation = Vec<(Local, LocationIndex)>;
type PathPointRelation = Vec<(MovePathIndex, LocationIndex)>;

21
compiler/rustc_borrowck/src/type_check/liveness/trace.rs
View File

@ -1,3 +1,5 @@
use std::rc::Rc;
use rustc_data_structures::fx::{FxIndexMap, FxIndexSet};
use rustc_index::bit_set::BitSet;
use rustc_index::interval::IntervalSet;
@ -6,24 +8,19 @@ use rustc_infer::infer::outlives::for_liveness;
use rustc_middle::mir::{BasicBlock, Body, ConstraintCategory, Local, Location};
use rustc_middle::traits::query::DropckOutlivesResult;
use rustc_middle::ty::{Ty, TyCtxt, TypeVisitable, TypeVisitableExt};
use rustc_mir_dataflow::impls::MaybeInitializedPlaces;
use rustc_mir_dataflow::move_paths::{HasMoveData, MoveData, MovePathIndex};
use rustc_mir_dataflow::points::{DenseLocationMap, PointIndex};
use rustc_mir_dataflow::ResultsCursor;
use rustc_span::DUMMY_SP;
use rustc_trait_selection::traits::query::type_op::outlives::DropckOutlives;
use rustc_trait_selection::traits::query::type_op::{TypeOp, TypeOpOutput};
use std::rc::Rc;
use rustc_mir_dataflow::impls::MaybeInitializedPlaces;
use rustc_mir_dataflow::move_paths::{HasMoveData, MoveData, MovePathIndex};
use rustc_mir_dataflow::ResultsCursor;
use crate::location::RichLocation;
use crate::{
region_infer::values::{self, LiveLoans},
type_check::liveness::local_use_map::LocalUseMap,
type_check::liveness::polonius,
type_check::NormalizeLocation,
type_check::TypeChecker,
};
use crate::region_infer::values::{self, LiveLoans};
use crate::type_check::liveness::local_use_map::LocalUseMap;
use crate::type_check::liveness::polonius;
use crate::type_check::{NormalizeLocation, TypeChecker};
/// This is the heart of the liveness computation. For each variable X
/// that requires a liveness computation, it walks over all the uses

47
compiler/rustc_borrowck/src/type_check/mod.rs
View File

@ -4,7 +4,6 @@ use std::rc::Rc;
use std::{fmt, iter, mem};
use either::Either;
use rustc_data_structures::frozen::Frozen;
use rustc_data_structures::fx::{FxIndexMap, FxIndexSet};
use rustc_errors::ErrorGuaranteed;
@ -28,44 +27,38 @@ use rustc_middle::ty::cast::CastTy;
use rustc_middle::ty::visit::TypeVisitableExt;
use rustc_middle::ty::{
self, Binder, CanonicalUserTypeAnnotation, CanonicalUserTypeAnnotations, CoroutineArgsExt,
Dynamic, OpaqueHiddenType, OpaqueTypeKey, RegionVid, Ty, TyCtxt, UserType,
UserTypeAnnotationIndex,
Dynamic, GenericArgsRef, OpaqueHiddenType, OpaqueTypeKey, RegionVid, Ty, TyCtxt, UserArgs,
UserType, UserTypeAnnotationIndex,
};
use rustc_middle::ty::{GenericArgsRef, UserArgs};
use rustc_middle::{bug, span_bug};
use rustc_mir_dataflow::impls::MaybeInitializedPlaces;
use rustc_mir_dataflow::move_paths::MoveData;
use rustc_mir_dataflow::points::DenseLocationMap;
use rustc_mir_dataflow::ResultsCursor;
use rustc_span::def_id::CRATE_DEF_ID;
use rustc_span::source_map::Spanned;
use rustc_span::symbol::sym;
use rustc_span::Span;
use rustc_span::DUMMY_SP;
use rustc_span::{Span, DUMMY_SP};
use rustc_target::abi::{FieldIdx, FIRST_VARIANT};
use rustc_trait_selection::traits::query::type_op::custom::scrape_region_constraints;
use rustc_trait_selection::traits::query::type_op::custom::CustomTypeOp;
use rustc_trait_selection::traits::query::type_op::custom::{
scrape_region_constraints, CustomTypeOp,
};
use rustc_trait_selection::traits::query::type_op::{TypeOp, TypeOpOutput};
use rustc_trait_selection::traits::PredicateObligation;
use rustc_mir_dataflow::impls::MaybeInitializedPlaces;
use rustc_mir_dataflow::move_paths::MoveData;
use rustc_mir_dataflow::ResultsCursor;
use crate::borrow_set::BorrowSet;
use crate::constraints::{OutlivesConstraint, OutlivesConstraintSet};
use crate::diagnostics::UniverseInfo;
use crate::facts::AllFacts;
use crate::location::LocationTable;
use crate::member_constraints::MemberConstraintSet;
use crate::region_infer::values::{LivenessValues, PlaceholderIndex, PlaceholderIndices};
use crate::region_infer::TypeTest;
use crate::renumber::RegionCtxt;
use crate::session_diagnostics::{MoveUnsized, SimdIntrinsicArgConst};
use crate::{
borrow_set::BorrowSet,
constraints::{OutlivesConstraint, OutlivesConstraintSet},
diagnostics::UniverseInfo,
facts::AllFacts,
location::LocationTable,
member_constraints::MemberConstraintSet,
path_utils,
region_infer::values::{LivenessValues, PlaceholderIndex, PlaceholderIndices},
region_infer::TypeTest,
type_check::free_region_relations::{CreateResult, UniversalRegionRelations},
universal_regions::{DefiningTy, UniversalRegions},
BorrowckInferCtxt,
};
use crate::type_check::free_region_relations::{CreateResult, UniversalRegionRelations};
use crate::universal_regions::{DefiningTy, UniversalRegions};
use crate::{path_utils, BorrowckInferCtxt};
macro_rules! span_mirbug {
($context:expr, $elem:expr, $($message:tt)*) => ({

10
compiler/rustc_borrowck/src/universal_regions.rs
View File

@ -15,6 +15,9 @@
#![allow(rustc::diagnostic_outside_of_impl)]
#![allow(rustc::untranslatable_diagnostic)]
use std::cell::Cell;
use std::iter;
use rustc_data_structures::fx::FxIndexMap;
use rustc_errors::Diag;
use rustc_hir::def_id::{DefId, LocalDefId};
@ -25,13 +28,12 @@ use rustc_infer::infer::NllRegionVariableOrigin;
use rustc_macros::extension;
use rustc_middle::ty::fold::TypeFoldable;
use rustc_middle::ty::print::with_no_trimmed_paths;
use rustc_middle::ty::{self, InlineConstArgs, InlineConstArgsParts, RegionVid, Ty, TyCtxt};
use rustc_middle::ty::{GenericArgs, GenericArgsRef};
use rustc_middle::ty::{
self, GenericArgs, GenericArgsRef, InlineConstArgs, InlineConstArgsParts, RegionVid, Ty, TyCtxt,
};
use rustc_middle::{bug, span_bug};
use rustc_span::symbol::{kw, sym};
use rustc_span::{ErrorGuaranteed, Symbol};
use std::cell::Cell;
use std::iter;
use crate::renumber::RegionCtxt;
use crate::BorrowckInferCtxt;

3
compiler/rustc_borrowck/src/util/collect_writes.rs
View File

@ -1,5 +1,4 @@
use rustc_middle::mir::visit::PlaceContext;
use rustc_middle::mir::visit::Visitor;
use rustc_middle::mir::visit::{PlaceContext, Visitor};
use rustc_middle::mir::{Body, Local, Location};
pub trait FindAssignments {

11
compiler/rustc_builtin_macros/src/alloc_error_handler.rs
View File

@ -1,14 +1,15 @@
use crate::errors;
use crate::util::check_builtin_macro_attribute;
use rustc_ast::ptr::P;
use rustc_ast::{self as ast, FnHeader, FnSig, Generics, StmtKind};
use rustc_ast::{Fn, ItemKind, Safety, Stmt, TyKind};
use rustc_ast::{
self as ast, Fn, FnHeader, FnSig, Generics, ItemKind, Safety, Stmt, StmtKind, TyKind,
};
use rustc_expand::base::{Annotatable, ExtCtxt};
use rustc_span::symbol::{kw, sym, Ident};
use rustc_span::Span;
use thin_vec::{thin_vec, ThinVec};
use crate::errors;
use crate::util::check_builtin_macro_attribute;
pub(crate) fn expand(
ecx: &mut ExtCtxt<'_>,
_span: Span,

11
compiler/rustc_builtin_macros/src/asm.rs
View File

@ -1,8 +1,5 @@
use crate::errors;
use crate::util::expr_to_spanned_string;
use ast::token::IdentIsRaw;
use lint::BuiltinLintDiag;
use rustc_ast as ast;
use rustc_ast::ptr::P;
use rustc_ast::token::{self, Delimiter};
use rustc_ast::tokenstream::TokenStream;
@ -11,13 +8,15 @@ use rustc_errors::PResult;
use rustc_expand::base::*;
use rustc_index::bit_set::GrowableBitSet;
use rustc_parse::parser::Parser;
use rustc_parse_format as parse;
use rustc_session::lint;
use rustc_span::symbol::Ident;
use rustc_span::symbol::{kw, sym, Symbol};
use rustc_span::symbol::{kw, sym, Ident, Symbol};
use rustc_span::{ErrorGuaranteed, InnerSpan, Span};
use rustc_target::asm::InlineAsmArch;
use smallvec::smallvec;
use {rustc_ast as ast, rustc_parse_format as parse};
use crate::errors;
use crate::util::expr_to_spanned_string;
pub struct AsmArgs {
pub templates: Vec<P<ast::Expr>>,

8
compiler/rustc_builtin_macros/src/assert.rs
View File

@ -1,12 +1,9 @@
mod context;
use crate::edition_panic::use_panic_2021;
use crate::errors;
use rustc_ast::ptr::P;
use rustc_ast::token;
use rustc_ast::token::Delimiter;
use rustc_ast::tokenstream::{DelimSpan, TokenStream};
use rustc_ast::{DelimArgs, Expr, ExprKind, MacCall, Path, PathSegment, UnOp};
use rustc_ast::{token, DelimArgs, Expr, ExprKind, MacCall, Path, PathSegment, UnOp};
use rustc_ast_pretty::pprust;
use rustc_errors::PResult;
use rustc_expand::base::{DummyResult, ExpandResult, ExtCtxt, MacEager, MacroExpanderResult};
@ -15,6 +12,9 @@ use rustc_span::symbol::{sym, Ident, Symbol};
use rustc_span::{Span, DUMMY_SP};
use thin_vec::thin_vec;
use crate::edition_panic::use_panic_2021;
use crate::errors;
pub(crate) fn expand_assert<'cx>(
cx: &'cx mut ExtCtxt<'_>,
span: Span,

12
compiler/rustc_builtin_macros/src/assert/context.rs
View File

@ -1,17 +1,15 @@
use rustc_ast::ptr::P;
use rustc_ast::token::{self, Delimiter, IdentIsRaw};
use rustc_ast::tokenstream::{DelimSpan, TokenStream, TokenTree};
use rustc_ast::{
ptr::P,
token::{self, Delimiter, IdentIsRaw},
tokenstream::{DelimSpan, TokenStream, TokenTree},
BinOpKind, BorrowKind, DelimArgs, Expr, ExprKind, ItemKind, MacCall, MethodCall, Mutability,
Path, PathSegment, Stmt, StructRest, UnOp, UseTree, UseTreeKind, DUMMY_NODE_ID,
};
use rustc_ast_pretty::pprust;
use rustc_data_structures::fx::FxHashSet;
use rustc_expand::base::ExtCtxt;
use rustc_span::{
symbol::{sym, Ident, Symbol},
Span,
};
use rustc_span::symbol::{sym, Ident, Symbol};
use rustc_span::Span;
use thin_vec::{thin_vec, ThinVec};
pub(super) struct Context<'cx, 'a> {

6
compiler/rustc_builtin_macros/src/cfg.rs
View File

@ -2,14 +2,14 @@
//! a literal `true` or `false` based on whether the given cfg matches the
//! current compilation environment.
use crate::errors;
use rustc_ast as ast;
use rustc_ast::token;
use rustc_ast::tokenstream::TokenStream;
use rustc_attr as attr;
use rustc_errors::PResult;
use rustc_expand::base::{DummyResult, ExpandResult, ExtCtxt, MacEager, MacroExpanderResult};
use rustc_span::Span;
use {rustc_ast as ast, rustc_attr as attr};
use crate::errors;
pub(crate) fn expand_cfg(
cx: &mut ExtCtxt<'_>,

3
compiler/rustc_builtin_macros/src/cfg_accessible.rs
View File

@ -1,6 +1,5 @@
//! Implementation of the `#[cfg_accessible(path)]` attribute macro.
use crate::errors;
use rustc_ast as ast;
use rustc_expand::base::{Annotatable, ExpandResult, ExtCtxt, Indeterminate, MultiItemModifier};
use rustc_feature::AttributeTemplate;
@ -8,6 +7,8 @@ use rustc_parse::validate_attr;
use rustc_span::symbol::sym;
use rustc_span::Span;
use crate::errors;
pub(crate) struct Expander;
fn validate_input<'a>(ecx: &ExtCtxt<'_>, mi: &'a ast::MetaItem) -> Option<&'a ast::Path> {

9
compiler/rustc_builtin_macros/src/cfg_eval.rs
View File

@ -1,13 +1,10 @@
use crate::util::{check_builtin_macro_attribute, warn_on_duplicate_attribute};
use core::ops::ControlFlow;
use rustc_ast as ast;
use rustc_ast::mut_visit::MutVisitor;
use rustc_ast::ptr::P;
use rustc_ast::visit::{AssocCtxt, Visitor};
use rustc_ast::NodeId;
use rustc_ast::{mut_visit, visit};
use rustc_ast::{Attribute, HasAttrs, HasTokens};
use rustc_ast::{mut_visit, visit, Attribute, HasAttrs, HasTokens, NodeId};
use rustc_errors::PResult;
use rustc_expand::base::{Annotatable, ExtCtxt};
use rustc_expand::config::StripUnconfigured;
@ -20,6 +17,8 @@ use rustc_span::Span;
use smallvec::SmallVec;
use tracing::instrument;
use crate::util::{check_builtin_macro_attribute, warn_on_duplicate_attribute};
pub(crate) fn expand(
ecx: &mut ExtCtxt<'_>,
_span: Span,

6
compiler/rustc_builtin_macros/src/cmdline_attrs.rs
View File

@ -1,14 +1,14 @@
//! Attributes injected into the crate root from command line using `-Z crate-attr`.
use crate::errors;
use rustc_ast::attr::mk_attr;
use rustc_ast::token;
use rustc_ast::{self as ast, AttrItem, AttrStyle};
use rustc_ast::{self as ast, token, AttrItem, AttrStyle};
use rustc_parse::parser::ForceCollect;
use rustc_parse::{new_parser_from_source_str, unwrap_or_emit_fatal};
use rustc_session::parse::ParseSess;
use rustc_span::FileName;
use crate::errors;
pub fn inject(krate: &mut ast::Crate, psess: &ParseSess, attrs: &[String]) {
for raw_attr in attrs {
let mut parser = unwrap_or_emit_fatal(new_parser_from_source_str(

3
compiler/rustc_builtin_macros/src/compile_error.rs
View File

@ -1,10 +1,11 @@
// The compiler code necessary to support the compile_error! extension.
use crate::util::get_single_str_from_tts;
use rustc_ast::tokenstream::TokenStream;
use rustc_expand::base::{DummyResult, ExpandResult, ExtCtxt, MacroExpanderResult};
use rustc_span::Span;
use crate::util::get_single_str_from_tts;
pub(crate) fn expand_compile_error<'cx>(
cx: &'cx mut ExtCtxt<'_>,
sp: Span,

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