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Auto merge of #101562 - nnethercote:shrink-ast-Expr-harder, r=petrochenkov

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Shrink `ast::Expr` harder

r? `@ghost`
This commit is contained in:
bors 2022-11-18 16:56:12 +00:00
commit 70fe5f08ff
46 changed files with 486 additions and 383 deletions
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3
Cargo.lock
View File

@ -3476,6 +3476,7 @@ dependencies = [
"rustc_session",
"rustc_span",
"smallvec",
"thin-vec",
"tracing",
]
@ -3916,6 +3917,7 @@ dependencies = [
"rustc_macros",
"rustc_session",
"rustc_span",
"thin-vec",
"tracing",
"unicode-normalization",
"unicode-width",
@ -4051,6 +4053,7 @@ dependencies = [
"rustc_session",
"rustc_span",
"smallvec",
"thin-vec",
"tracing",
]

81
compiler/rustc_ast/src/ast.rs
View File

@ -36,7 +36,7 @@ use rustc_span::{Span, DUMMY_SP};
use std::convert::TryFrom;
use std::fmt;
use std::mem;
use thin_vec::ThinVec;
use thin_vec::{thin_vec, ThinVec};
/// A "Label" is an identifier of some point in sources,
/// e.g. in the following code:
@ -90,7 +90,7 @@ pub struct Path {
pub span: Span,
/// The segments in the path: the things separated by `::`.
/// Global paths begin with `kw::PathRoot`.
pub segments: Vec<PathSegment>,
pub segments: ThinVec<PathSegment>,
pub tokens: Option<LazyAttrTokenStream>,
}
@ -114,7 +114,7 @@ impl Path {
// Convert a span and an identifier to the corresponding
// one-segment path.
pub fn from_ident(ident: Ident) -> Path {
Path { segments: vec![PathSegment::from_ident(ident)], span: ident.span, tokens: None }
Path { segments: thin_vec![PathSegment::from_ident(ident)], span: ident.span, tokens: None }
}
pub fn is_global(&self) -> bool {
@ -718,10 +718,10 @@ pub enum PatKind {
/// A struct or struct variant pattern (e.g., `Variant {x, y, ..}`).
/// The `bool` is `true` in the presence of a `..`.
Struct(Option<QSelf>, Path, Vec<PatField>, /* recovered */ bool),
Struct(Option<P<QSelf>>, Path, Vec<PatField>, /* recovered */ bool),
/// A tuple struct/variant pattern (`Variant(x, y, .., z)`).
TupleStruct(Option<QSelf>, Path, Vec<P<Pat>>),
TupleStruct(Option<P<QSelf>>, Path, Vec<P<Pat>>),
/// An or-pattern `A | B | C`.
/// Invariant: `pats.len() >= 2`.
@ -731,7 +731,7 @@ pub enum PatKind {
/// Unqualified path patterns `A::B::C` can legally refer to variants, structs, constants
/// or associated constants. Qualified path patterns `<A>::B::C`/`<A as Trait>::B::C` can
/// only legally refer to associated constants.
Path(Option<QSelf>, Path),
Path(Option<P<QSelf>>, Path),
/// A tuple pattern (`(a, b)`).
Tuple(Vec<P<Pat>>),
@ -1272,6 +1272,18 @@ impl Expr {
}
}
#[derive(Clone, Encodable, Decodable, Debug)]
pub struct Closure {
pub binder: ClosureBinder,
pub capture_clause: CaptureBy,
pub asyncness: Async,
pub movability: Movability,
pub fn_decl: P<FnDecl>,
pub body: P<Expr>,
/// The span of the argument block `|...|`.
pub fn_decl_span: Span,
}
/// Limit types of a range (inclusive or exclusive)
#[derive(Copy, Clone, PartialEq, Encodable, Decodable, Debug)]
pub enum RangeLimits {
@ -1281,6 +1293,20 @@ pub enum RangeLimits {
Closed,
}
/// A method call (e.g. `x.foo::<Bar, Baz>(a, b, c)`).
#[derive(Clone, Encodable, Decodable, Debug)]
pub struct MethodCall {
/// The method name and its generic arguments, e.g. `foo::<Bar, Baz>`.
pub seg: PathSegment,
/// The receiver, e.g. `x`.
pub receiver: P<Expr>,
/// The arguments, e.g. `a, b, c`.
pub args: Vec<P<Expr>>,
/// The span of the function, without the dot and receiver e.g. `foo::<Bar,
/// Baz>(a, b, c)`.
pub span: Span,
}
#[derive(Clone, Encodable, Decodable, Debug)]
pub enum StructRest {
/// `..x`.
@ -1293,7 +1319,7 @@ pub enum StructRest {
#[derive(Clone, Encodable, Decodable, Debug)]
pub struct StructExpr {
pub qself: Option<QSelf>,
pub qself: Option<P<QSelf>>,
pub path: Path,
pub fields: Vec<ExprField>,
pub rest: StructRest,
@ -1314,17 +1340,8 @@ pub enum ExprKind {
/// This also represents calling the constructor of
/// tuple-like ADTs such as tuple structs and enum variants.
Call(P<Expr>, Vec<P<Expr>>),
/// A method call (`x.foo::<'static, Bar, Baz>(a, b, c, d)`)
///
/// The `PathSegment` represents the method name and its generic arguments
/// (within the angle brackets).
/// The standalone `Expr` is the receiver expression.
/// The vector of `Expr` is the arguments.
/// `x.foo::<Bar, Baz>(a, b, c, d)` is represented as
/// `ExprKind::MethodCall(PathSegment { foo, [Bar, Baz] }, x, [a, b, c, d])`.
/// This `Span` is the span of the function, without the dot and receiver
/// (e.g. `foo(a, b)` in `x.foo(a, b)`
MethodCall(PathSegment, P<Expr>, Vec<P<Expr>>, Span),
/// A method call (e.g. `x.foo::<Bar, Baz>(a, b, c)`).
MethodCall(Box<MethodCall>),
/// A tuple (e.g., `(a, b, c, d)`).
Tup(Vec<P<Expr>>),
/// A binary operation (e.g., `a + b`, `a * b`).
@ -1363,9 +1380,7 @@ pub enum ExprKind {
/// A `match` block.
Match(P<Expr>, Vec<Arm>),
/// A closure (e.g., `move |a, b, c| a + b + c`).
///
/// The final span is the span of the argument block `|...|`.
Closure(ClosureBinder, CaptureBy, Async, Movability, P<FnDecl>, P<Expr>, Span),
Closure(Box<Closure>),
/// A block (`'label: { ... }`).
Block(P<Block>, Option<Label>),
/// An async block (`async move { ... }`).
@ -1403,7 +1418,7 @@ pub enum ExprKind {
/// parameters (e.g., `foo::bar::<baz>`).
///
/// Optionally "qualified" (e.g., `<Vec<T> as SomeTrait>::SomeType`).
Path(Option<QSelf>, Path),
Path(Option<P<QSelf>>, Path),
/// A referencing operation (`&a`, `&mut a`, `&raw const a` or `&raw mut a`).
AddrOf(BorrowKind, Mutability, P<Expr>),
@ -2006,7 +2021,7 @@ pub enum TyKind {
/// "qualified", e.g., `<Vec<T> as SomeTrait>::SomeType`.
///
/// Type parameters are stored in the `Path` itself.
Path(Option<QSelf>, Path),
Path(Option<P<QSelf>>, Path),
/// A trait object type `Bound1 + Bound2 + Bound3`
/// where `Bound` is a trait or a lifetime.
TraitObject(GenericBounds, TraitObjectSyntax),
@ -2138,7 +2153,7 @@ impl InlineAsmTemplatePiece {
#[derive(Clone, Encodable, Decodable, Debug)]
pub struct InlineAsmSym {
pub id: NodeId,
pub qself: Option<QSelf>,
pub qself: Option<P<QSelf>>,
pub path: Path,
}
@ -3031,28 +3046,28 @@ mod size_asserts {
static_assert_size!(AssocItemKind, 32);
static_assert_size!(Attribute, 32);
static_assert_size!(Block, 48);
static_assert_size!(Expr, 104);
static_assert_size!(ExprKind, 72);
static_assert_size!(Expr, 72);
static_assert_size!(ExprKind, 40);
static_assert_size!(Fn, 184);
static_assert_size!(ForeignItem, 96);
static_assert_size!(ForeignItemKind, 24);
static_assert_size!(GenericArg, 24);
static_assert_size!(GenericBound, 88);
static_assert_size!(GenericBound, 72);
static_assert_size!(Generics, 72);
static_assert_size!(Impl, 200);
static_assert_size!(Impl, 184);
static_assert_size!(Item, 184);
static_assert_size!(ItemKind, 112);
static_assert_size!(Lit, 48);
static_assert_size!(LitKind, 24);
static_assert_size!(Local, 72);
static_assert_size!(Param, 40);
static_assert_size!(Pat, 120);
static_assert_size!(Path, 40);
static_assert_size!(Pat, 88);
static_assert_size!(Path, 24);
static_assert_size!(PathSegment, 24);
static_assert_size!(PatKind, 96);
static_assert_size!(PatKind, 64);
static_assert_size!(Stmt, 32);
static_assert_size!(StmtKind, 16);
static_assert_size!(Ty, 96);
static_assert_size!(TyKind, 72);
static_assert_size!(Ty, 64);
static_assert_size!(TyKind, 40);
// tidy-alphabetical-end
}

7
compiler/rustc_ast/src/attr/mod.rs
View File

@ -10,19 +10,18 @@ use crate::token::{self, CommentKind, Delimiter, Token};
use crate::tokenstream::{DelimSpan, Spacing, TokenTree};
use crate::tokenstream::{LazyAttrTokenStream, TokenStream};
use crate::util::comments;
use rustc_data_structures::sync::WorkerLocal;
use rustc_index::bit_set::GrowableBitSet;
use rustc_span::source_map::BytePos;
use rustc_span::symbol::{sym, Ident, Symbol};
use rustc_span::Span;
use std::cell::Cell;
use std::iter;
#[cfg(debug_assertions)]
use std::ops::BitXor;
#[cfg(debug_assertions)]
use std::sync::atomic::{AtomicU32, Ordering};
use thin_vec::thin_vec;
pub struct MarkedAttrs(GrowableBitSet<AttrId>);
@ -471,12 +470,12 @@ impl MetaItem {
tokens.peek()
{
tokens.next();
vec![PathSegment::from_ident(Ident::new(name, span))]
thin_vec![PathSegment::from_ident(Ident::new(name, span))]
} else {
break 'arm Path::from_ident(Ident::new(name, span));
}
} else {
vec![PathSegment::path_root(span)]
thin_vec![PathSegment::path_root(span)]
};
loop {
if let Some(TokenTree::Token(Token { kind: token::Ident(name, _), span }, _)) =

32
compiler/rustc_ast/src/mut_visit.rs
View File

@ -194,7 +194,7 @@ pub trait MutVisitor: Sized {
noop_visit_path(p, self);
}
fn visit_qself(&mut self, qs: &mut Option<QSelf>) {
fn visit_qself(&mut self, qs: &mut Option<P<QSelf>>) {
noop_visit_qself(qs, self);
}
@ -529,8 +529,9 @@ pub fn noop_visit_path<T: MutVisitor>(Path { segments, span, tokens }: &mut Path
visit_lazy_tts(tokens, vis);
}
pub fn noop_visit_qself<T: MutVisitor>(qself: &mut Option<QSelf>, vis: &mut T) {
visit_opt(qself, |QSelf { ty, path_span, position: _ }| {
pub fn noop_visit_qself<T: MutVisitor>(qself: &mut Option<P<QSelf>>, vis: &mut T) {
visit_opt(qself, |qself| {
let QSelf { ty, path_span, position: _ } = &mut **qself;
vis.visit_ty(ty);
vis.visit_span(path_span);
})
@ -1303,12 +1304,17 @@ pub fn noop_visit_expr<T: MutVisitor>(
vis.visit_expr(f);
visit_exprs(args, vis);
}
ExprKind::MethodCall(PathSegment { ident, id, args }, receiver, exprs, span) => {
ExprKind::MethodCall(box MethodCall {
seg: PathSegment { ident, id, args: seg_args },
receiver,
args: call_args,
span,
}) => {
vis.visit_ident(ident);
vis.visit_id(id);
visit_opt(args, |args| vis.visit_generic_args(args));
visit_opt(seg_args, |args| vis.visit_generic_args(args));
vis.visit_method_receiver_expr(receiver);
visit_exprs(exprs, vis);
visit_exprs(call_args, vis);
vis.visit_span(span);
}
ExprKind::Binary(_binop, lhs, rhs) => {
@ -1353,12 +1359,20 @@ pub fn noop_visit_expr<T: MutVisitor>(
vis.visit_expr(expr);
arms.flat_map_in_place(|arm| vis.flat_map_arm(arm));
}
ExprKind::Closure(binder, _capture_by, asyncness, _movability, decl, body, span) => {
ExprKind::Closure(box Closure {
binder,
capture_clause: _,
asyncness,
movability: _,
fn_decl,
body,
fn_decl_span,
}) => {
vis.visit_closure_binder(binder);
vis.visit_asyncness(asyncness);
vis.visit_fn_decl(decl);
vis.visit_fn_decl(fn_decl);
vis.visit_expr(body);
vis.visit_span(span);
vis.visit_span(fn_decl_span);
}
ExprKind::Block(blk, label) => {
vis.visit_block(blk);

4
compiler/rustc_ast/src/util/classify.rs
View File

@ -36,7 +36,6 @@ pub fn expr_trailing_brace(mut expr: &ast::Expr) -> Option<&ast::Expr> {
| Binary(_, _, e)
| Box(e)
| Break(_, Some(e))
| Closure(.., e, _)
| Let(_, e, _)
| Range(_, Some(e), _)
| Ret(Some(e))
@ -44,6 +43,9 @@ pub fn expr_trailing_brace(mut expr: &ast::Expr) -> Option<&ast::Expr> {
| Yield(Some(e)) => {
expr = e;
}
Closure(closure) => {
expr = &closure.body;
}
Async(..) | Block(..) | ForLoop(..) | If(..) | Loop(..) | Match(..) | Struct(..)
| TryBlock(..) | While(..) => break Some(expr),
_ => break None,

2
compiler/rustc_ast/src/util/parser.rs
View File

@ -396,7 +396,7 @@ pub fn contains_exterior_struct_lit(value: &ast::Expr) -> bool {
contains_exterior_struct_lit(&x)
}
ast::ExprKind::MethodCall(_, ref receiver, _, _) => {
ast::ExprKind::MethodCall(box ast::MethodCall { ref receiver, .. }) => {
// X { y: 1 }.bar(...)
contains_exterior_struct_lit(&receiver)
}

18
compiler/rustc_ast/src/visit.rs
View File

@ -798,10 +798,10 @@ pub fn walk_expr<'a, V: Visitor<'a>>(visitor: &mut V, expression: &'a Expr) {
visitor.visit_expr(callee_expression);
walk_list!(visitor, visit_expr, arguments);
}
ExprKind::MethodCall(ref segment, ref receiver, ref arguments, _span) => {
visitor.visit_path_segment(segment);
ExprKind::MethodCall(box MethodCall { ref seg, ref receiver, ref args, span: _ }) => {
visitor.visit_path_segment(seg);
visitor.visit_expr(receiver);
walk_list!(visitor, visit_expr, arguments);
walk_list!(visitor, visit_expr, args);
}
ExprKind::Binary(_, ref left_expression, ref right_expression) => {
visitor.visit_expr(left_expression);
@ -842,8 +842,16 @@ pub fn walk_expr<'a, V: Visitor<'a>>(visitor: &mut V, expression: &'a Expr) {
visitor.visit_expr(subexpression);
walk_list!(visitor, visit_arm, arms);
}
ExprKind::Closure(ref binder, _, _, _, ref decl, ref body, _decl_span) => {
visitor.visit_fn(FnKind::Closure(binder, decl, body), expression.span, expression.id)
ExprKind::Closure(box Closure {
ref binder,
capture_clause: _,
asyncness: _,
movability: _,
ref fn_decl,
ref body,
fn_decl_span: _,
}) => {
visitor.visit_fn(FnKind::Closure(binder, fn_decl, body), expression.span, expression.id)
}
ExprKind::Block(ref block, ref opt_label) => {
walk_list!(visitor, visit_label, opt_label);

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

@ -61,7 +61,7 @@ impl<'hir> LoweringContext<'_, 'hir> {
hir::ExprKind::Call(f, self.lower_exprs(args))
}
}
ExprKind::MethodCall(ref seg, ref receiver, ref args, span) => {
ExprKind::MethodCall(box MethodCall { ref seg, ref receiver, ref args, span }) => {
let hir_seg = self.arena.alloc(self.lower_path_segment(
e.span,
seg,
@ -172,22 +172,22 @@ impl<'hir> LoweringContext<'_, 'hir> {
};
self.lower_expr_await(dot_await_span, expr)
}
ExprKind::Closure(
ExprKind::Closure(box Closure {
ref binder,
capture_clause,
asyncness,
movability,
ref decl,
ref fn_decl,
ref body,
fn_decl_span,
) => {
}) => {
if let Async::Yes { closure_id, .. } = asyncness {
self.lower_expr_async_closure(
binder,
capture_clause,
e.id,
closure_id,
decl,
fn_decl,
body,
fn_decl_span,
)
@ -197,7 +197,7 @@ impl<'hir> LoweringContext<'_, 'hir> {
capture_clause,
e.id,
movability,
decl,
fn_decl,
body,
fn_decl_span,
)
@ -1105,7 +1105,7 @@ impl<'hir> LoweringContext<'_, 'hir> {
fn extract_tuple_struct_path<'a>(
&mut self,
expr: &'a Expr,
) -> Option<(&'a Option<QSelf>, &'a Path)> {
) -> Option<(&'a Option<AstP<QSelf>>, &'a Path)> {
if let ExprKind::Path(qself, path) = &expr.kind {
// Does the path resolve to something disallowed in a tuple struct/variant pattern?
if let Some(partial_res) = self.resolver.get_partial_res(expr.id) {
@ -1125,7 +1125,7 @@ impl<'hir> LoweringContext<'_, 'hir> {
fn extract_unit_struct_path<'a>(
&mut self,
expr: &'a Expr,
) -> Option<(&'a Option<QSelf>, &'a Path)> {
) -> Option<(&'a Option<AstP<QSelf>>, &'a Path)> {
if let ExprKind::Path(qself, path) = &expr.kind {
// Does the path resolve to something disallowed in a unit struct/variant pattern?
if let Some(partial_res) = self.resolver.get_partial_res(expr.id) {

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

@ -19,8 +19,8 @@ use rustc_span::symbol::{kw, sym, Ident};
use rustc_span::{Span, Symbol};
use rustc_target::spec::abi;
use smallvec::{smallvec, SmallVec};
use std::iter;
use thin_vec::ThinVec;
pub(super) struct ItemLowerer<'a, 'hir> {
pub(super) tcx: TyCtxt<'hir>,
@ -242,7 +242,7 @@ impl<'hir> LoweringContext<'_, 'hir> {
ItemKind::ExternCrate(orig_name) => hir::ItemKind::ExternCrate(orig_name),
ItemKind::Use(ref use_tree) => {
// Start with an empty prefix.
let prefix = Path { segments: vec![], span: use_tree.span, tokens: None };
let prefix = Path { segments: ThinVec::new(), span: use_tree.span, tokens: None };
self.lower_use_tree(use_tree, &prefix, id, vis_span, ident, attrs)
}

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

@ -1208,7 +1208,7 @@ impl<'a, 'hir> LoweringContext<'a, 'hir> {
fn lower_path_ty(
&mut self,
t: &Ty,
qself: &Option<QSelf>,
qself: &Option<ptr::P<QSelf>>,
path: &Path,
param_mode: ParamMode,
itctx: &ImplTraitContext,

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

@ -19,7 +19,7 @@ impl<'a, 'hir> LoweringContext<'a, 'hir> {
pub(crate) fn lower_qpath(
&mut self,
id: NodeId,
qself: &Option<QSelf>,
qself: &Option<ptr::P<QSelf>>,
p: &Path,
param_mode: ParamMode,
itctx: &ImplTraitContext,

21
compiler/rustc_ast_pretty/src/pprust/state/expr.rs
View File

@ -121,7 +121,7 @@ impl<'a> State<'a> {
fn print_expr_struct(
&mut self,
qself: &Option<ast::QSelf>,
qself: &Option<P<ast::QSelf>>,
path: &ast::Path,
fields: &[ast::ExprField],
rest: &ast::StructRest,
@ -307,8 +307,13 @@ impl<'a> State<'a> {
ast::ExprKind::Call(ref func, ref args) => {
self.print_expr_call(func, &args);
}
ast::ExprKind::MethodCall(ref segment, ref receiver, ref args, _) => {
self.print_expr_method_call(segment, &receiver, &args);
ast::ExprKind::MethodCall(box ast::MethodCall {
ref seg,
ref receiver,
ref args,
..
}) => {
self.print_expr_method_call(seg, &receiver, &args);
}
ast::ExprKind::Binary(op, ref lhs, ref rhs) => {
self.print_expr_binary(op, lhs, rhs);
@ -396,21 +401,21 @@ impl<'a> State<'a> {
let empty = attrs.is_empty() && arms.is_empty();
self.bclose(expr.span, empty);
}
ast::ExprKind::Closure(
ast::ExprKind::Closure(box ast::Closure {
ref binder,
capture_clause,
asyncness,
movability,
ref decl,
ref fn_decl,
ref body,
_,
) => {
fn_decl_span: _,
}) => {
self.print_closure_binder(binder);
self.print_movability(movability);
self.print_asyncness(asyncness);
self.print_capture_clause(capture_clause);
self.print_fn_params_and_ret(decl, true);
self.print_fn_params_and_ret(fn_decl, true);
self.space();
self.print_expr(body);
self.end(); // need to close a box

16
compiler/rustc_builtin_macros/src/assert/context.rs
View File

@ -3,8 +3,8 @@ use rustc_ast::{
ptr::P,
token,
tokenstream::{DelimSpan, TokenStream, TokenTree},
BinOpKind, BorrowKind, Expr, ExprKind, ItemKind, MacArgs, MacCall, MacDelimiter, Mutability,
Path, PathSegment, Stmt, StructRest, UnOp, UseTree, UseTreeKind, DUMMY_NODE_ID,
BinOpKind, BorrowKind, Expr, ExprKind, ItemKind, MacArgs, MacCall, MacDelimiter, MethodCall,
Mutability, Path, PathSegment, Stmt, StructRest, UnOp, UseTree, UseTreeKind, DUMMY_NODE_ID,
};
use rustc_ast_pretty::pprust;
use rustc_data_structures::fx::FxHashSet;
@ -242,9 +242,9 @@ impl<'cx, 'a> Context<'cx, 'a> {
self.manage_cond_expr(prefix);
self.manage_cond_expr(suffix);
}
ExprKind::MethodCall(_, _,ref mut local_exprs, _) => {
for local_expr in local_exprs.iter_mut() {
self.manage_cond_expr(local_expr);
ExprKind::MethodCall(ref mut call) => {
for arg in call.args.iter_mut() {
self.manage_cond_expr(arg);
}
}
ExprKind::Path(_, Path { ref segments, .. }) if let &[ref path_segment] = &segments[..] => {
@ -296,7 +296,7 @@ impl<'cx, 'a> Context<'cx, 'a> {
| ExprKind::Block(_, _)
| ExprKind::Box(_)
| ExprKind::Break(_, _)
| ExprKind::Closure(_, _, _, _, _, _, _)
| ExprKind::Closure(_)
| ExprKind::ConstBlock(_)
| ExprKind::Continue(_)
| ExprKind::Err
@ -442,12 +442,12 @@ fn expr_addr_of_mut(cx: &ExtCtxt<'_>, sp: Span, e: P<Expr>) -> P<Expr> {
fn expr_method_call(
cx: &ExtCtxt<'_>,
path: PathSegment,
seg: PathSegment,
receiver: P<Expr>,
args: Vec<P<Expr>>,
span: Span,
) -> P<Expr> {
cx.expr(span, ExprKind::MethodCall(path, receiver, args, span))
cx.expr(span, ExprKind::MethodCall(Box::new(MethodCall { seg, receiver, args, span })))
}
fn expr_paren(cx: &ExtCtxt<'_>, sp: Span, e: P<Expr>) -> P<Expr> {

15
compiler/rustc_expand/Cargo.toml
View File

@ -8,20 +8,21 @@ build = false
doctest = false
[dependencies]
rustc_serialize = { path = "../rustc_serialize" }
tracing = "0.1"
rustc_span = { path = "../rustc_span" }
rustc_ast_pretty = { path = "../rustc_ast_pretty" }
crossbeam-channel = "0.5.0"
rustc_ast_passes = { path = "../rustc_ast_passes" }
rustc_ast = { path = "../rustc_ast" }
rustc_ast_pretty = { path = "../rustc_ast_pretty" }
rustc_attr = { path = "../rustc_attr" }
rustc_data_structures = { path = "../rustc_data_structures" }
rustc_errors = { path = "../rustc_errors" }
rustc_feature = { path = "../rustc_feature" }
rustc_lexer = { path = "../rustc_lexer" }
rustc_lint_defs = { path = "../rustc_lint_defs" }
rustc_macros = { path = "../rustc_macros" }
rustc_lexer = { path = "../rustc_lexer" }
rustc_parse = { path = "../rustc_parse" }
rustc_serialize = { path = "../rustc_serialize" }
rustc_session = { path = "../rustc_session" }
rustc_span = { path = "../rustc_span" }
smallvec = { version = "1.8.1", features = ["union", "may_dangle"] }
rustc_ast = { path = "../rustc_ast" }
crossbeam-channel = "0.5.0"
thin-vec = "0.2.8"
tracing = "0.1"

19
compiler/rustc_expand/src/build.rs
View File

@ -1,13 +1,12 @@
use crate::base::ExtCtxt;
use rustc_ast::attr;
use rustc_ast::ptr::P;
use rustc_ast::{self as ast, AttrVec, BlockCheckMode, Expr, LocalKind, PatKind, UnOp};
use rustc_data_structures::sync::Lrc;
use rustc_span::source_map::Spanned;
use rustc_span::symbol::{kw, sym, Ident, Symbol};
use rustc_span::Span;
use thin_vec::ThinVec;
impl<'a> ExtCtxt<'a> {
pub fn path(&self, span: Span, strs: Vec<Ident>) -> ast::Path {
@ -28,7 +27,7 @@ impl<'a> ExtCtxt<'a> {
) -> ast::Path {
assert!(!idents.is_empty());
let add_root = global && !idents[0].is_path_segment_keyword();
let mut segments = Vec::with_capacity(idents.len() + add_root as usize);
let mut segments = ThinVec::with_capacity(idents.len() + add_root as usize);
if add_root {
segments.push(ast::PathSegment::path_root(span));
}
@ -532,15 +531,15 @@ impl<'a> ExtCtxt<'a> {
// here, but that's not entirely clear.
self.expr(
span,
ast::ExprKind::Closure(
ast::ClosureBinder::NotPresent,
ast::CaptureBy::Ref,
ast::Async::No,
ast::Movability::Movable,
ast::ExprKind::Closure(Box::new(ast::Closure {
binder: ast::ClosureBinder::NotPresent,
capture_clause: ast::CaptureBy::Ref,
asyncness: ast::Async::No,
movability: ast::Movability::Movable,
fn_decl,
body,
span,
),
fn_decl_span: span,
})),
)
}

8
compiler/rustc_expand/src/placeholders.rs
View File

@ -1,14 +1,12 @@
use crate::expand::{AstFragment, AstFragmentKind};
use rustc_ast as ast;
use rustc_ast::mut_visit::*;
use rustc_ast::ptr::P;
use rustc_data_structures::fx::FxHashMap;
use rustc_span::source_map::DUMMY_SP;
use rustc_span::symbol::Ident;
use smallvec::{smallvec, SmallVec};
use rustc_data_structures::fx::FxHashMap;
use thin_vec::ThinVec;
pub fn placeholder(
kind: AstFragmentKind,
@ -17,7 +15,7 @@ pub fn placeholder(
) -> AstFragment {
fn mac_placeholder() -> P<ast::MacCall> {
P(ast::MacCall {
path: ast::Path { span: DUMMY_SP, segments: Vec::new(), tokens: None },
path: ast::Path { span: DUMMY_SP, segments: ThinVec::new(), tokens: None },
args: P(ast::MacArgs::Empty),
prior_type_ascription: None,
})

5
compiler/rustc_lint/src/early.rs
View File

@ -212,7 +212,10 @@ impl<'a, T: EarlyLintPass> ast_visit::Visitor<'a> for EarlyContextAndPass<'a, T>
// Explicitly check for lints associated with 'closure_id', since
// it does not have a corresponding AST node
match e.kind {
ast::ExprKind::Closure(_, _, ast::Async::Yes { closure_id, .. }, ..)
ast::ExprKind::Closure(box ast::Closure {
asyncness: ast::Async::Yes { closure_id, .. },
..
})
| ast::ExprKind::Async(_, closure_id, ..) => self.check_id(closure_id),
_ => {}
}

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

@ -651,7 +651,7 @@ trait UnusedDelimLint {
ref call_or_other => {
let (args_to_check, ctx) = match *call_or_other {
Call(_, ref args) => (&args[..], UnusedDelimsCtx::FunctionArg),
MethodCall(_, _, ref args, _) => (&args[..], UnusedDelimsCtx::MethodArg),
MethodCall(ref call) => (&call.args[..], UnusedDelimsCtx::MethodArg),
// actual catch-all arm
_ => {
return;

7
compiler/rustc_parse/Cargo.toml
View File

@ -7,15 +7,16 @@ edition = "2021"
[dependencies]
bitflags = "1.0"
tracing = "0.1"
rustc_ast = { path = "../rustc_ast" }
rustc_ast_pretty = { path = "../rustc_ast_pretty" }
rustc_data_structures = { path = "../rustc_data_structures" }
rustc_errors = { path = "../rustc_errors" }
rustc_feature = { path = "../rustc_feature" }
rustc_lexer = { path = "../rustc_lexer" }
rustc_macros = { path = "../rustc_macros" }
rustc_errors = { path = "../rustc_errors" }
rustc_session = { path = "../rustc_session" }
rustc_span = { path = "../rustc_span" }
rustc_ast = { path = "../rustc_ast" }
thin-vec = "0.2.8"
tracing = "0.1"
unicode-normalization = "0.1.11"
unicode-width = "0.1.4"

29
compiler/rustc_parse/src/parser/diagnostics.rs
View File

@ -18,6 +18,7 @@ use crate::errors::{
};
use crate::lexer::UnmatchedBrace;
use crate::parser;
use rustc_ast as ast;
use rustc_ast::ptr::P;
use rustc_ast::token::{self, Delimiter, Lit, LitKind, TokenKind};
@ -37,11 +38,10 @@ use rustc_session::errors::ExprParenthesesNeeded;
use rustc_span::source_map::Spanned;
use rustc_span::symbol::{kw, sym, Ident};
use rustc_span::{Span, SpanSnippetError, DUMMY_SP};
use std::ops::{Deref, DerefMut};
use std::mem::take;
use crate::parser;
use std::ops::{Deref, DerefMut};
use thin_vec::{thin_vec, ThinVec};
use tracing::{debug, trace};
/// Creates a placeholder argument.
pub(super) fn dummy_arg(ident: Ident) -> Param {
@ -65,7 +65,7 @@ pub(super) fn dummy_arg(ident: Ident) -> Param {
pub(super) trait RecoverQPath: Sized + 'static {
const PATH_STYLE: PathStyle = PathStyle::Expr;
fn to_ty(&self) -> Option<P<Ty>>;
fn recovered(qself: Option<QSelf>, path: ast::Path) -> Self;
fn recovered(qself: Option<P<QSelf>>, path: ast::Path) -> Self;
}
impl RecoverQPath for Ty {
@ -73,7 +73,7 @@ impl RecoverQPath for Ty {
fn to_ty(&self) -> Option<P<Ty>> {
Some(P(self.clone()))
}
fn recovered(qself: Option<QSelf>, path: ast::Path) -> Self {
fn recovered(qself: Option<P<QSelf>>, path: ast::Path) -> Self {
Self {
span: path.span,
kind: TyKind::Path(qself, path),
@ -87,7 +87,7 @@ impl RecoverQPath for Pat {
fn to_ty(&self) -> Option<P<Ty>> {
self.to_ty()
}
fn recovered(qself: Option<QSelf>, path: ast::Path) -> Self {
fn recovered(qself: Option<P<QSelf>>, path: ast::Path) -> Self {
Self {
span: path.span,
kind: PatKind::Path(qself, path),
@ -101,7 +101,7 @@ impl RecoverQPath for Expr {
fn to_ty(&self) -> Option<P<Ty>> {
self.to_ty()
}
fn recovered(qself: Option<QSelf>, path: ast::Path) -> Self {
fn recovered(qself: Option<P<QSelf>>, path: ast::Path) -> Self {
Self {
span: path.span,
kind: ExprKind::Path(qself, path),
@ -638,8 +638,11 @@ impl<'a> Parser<'a> {
// field: value,
// }
let mut snapshot = self.create_snapshot_for_diagnostic();
let path =
Path { segments: vec![], span: self.prev_token.span.shrink_to_lo(), tokens: None };
let path = Path {
segments: ThinVec::new(),
span: self.prev_token.span.shrink_to_lo(),
tokens: None,
};
let struct_expr = snapshot.parse_struct_expr(None, path, false);
let block_tail = self.parse_block_tail(lo, s, AttemptLocalParseRecovery::No);
return Some(match (struct_expr, block_tail) {
@ -1426,7 +1429,7 @@ impl<'a> Parser<'a> {
) -> PResult<'a, P<T>> {
self.expect(&token::ModSep)?;
let mut path = ast::Path { segments: Vec::new(), span: DUMMY_SP, tokens: None };
let mut path = ast::Path { segments: ThinVec::new(), span: DUMMY_SP, tokens: None };
self.parse_path_segments(&mut path.segments, T::PATH_STYLE, None)?;
path.span = ty_span.to(self.prev_token.span);
@ -1437,7 +1440,7 @@ impl<'a> Parser<'a> {
});
let path_span = ty_span.shrink_to_hi(); // Use an empty path since `position == 0`.
Ok(P(T::recovered(Some(QSelf { ty, path_span, position: 0 }), path)))
Ok(P(T::recovered(Some(P(QSelf { ty, path_span, position: 0 })), path)))
}
pub fn maybe_consume_incorrect_semicolon(&mut self, items: &[P<Item>]) -> bool {
@ -2434,7 +2437,7 @@ impl<'a> Parser<'a> {
None,
Path {
span: new_span,
segments: vec![
segments: thin_vec![
PathSegment::from_ident(*old_ident),
PathSegment::from_ident(*ident),
],

42
compiler/rustc_parse/src/parser/expr.rs
View File

@ -840,7 +840,7 @@ impl<'a> Parser<'a> {
ExprKind::Index(_, _) => "indexing",
ExprKind::Try(_) => "`?`",
ExprKind::Field(_, _) => "a field access",
ExprKind::MethodCall(_, _, _, _) => "a method call",
ExprKind::MethodCall(_) => "a method call",
ExprKind::Call(_, _) => "a function call",
ExprKind::Await(_) => "`.await`",
ExprKind::Err => return Ok(with_postfix),
@ -1262,24 +1262,32 @@ impl<'a> Parser<'a> {
}
let fn_span_lo = self.token.span;
let mut segment = self.parse_path_segment(PathStyle::Expr, None)?;
self.check_trailing_angle_brackets(&segment, &[&token::OpenDelim(Delimiter::Parenthesis)]);
self.check_turbofish_missing_angle_brackets(&mut segment);
let mut seg = self.parse_path_segment(PathStyle::Expr, None)?;
self.check_trailing_angle_brackets(&seg, &[&token::OpenDelim(Delimiter::Parenthesis)]);
self.check_turbofish_missing_angle_brackets(&mut seg);
if self.check(&token::OpenDelim(Delimiter::Parenthesis)) {
// Method call `expr.f()`
let args = self.parse_paren_expr_seq()?;
let fn_span = fn_span_lo.to(self.prev_token.span);
let span = lo.to(self.prev_token.span);
Ok(self.mk_expr(span, ExprKind::MethodCall(segment, self_arg, args, fn_span)))
Ok(self.mk_expr(
span,
ExprKind::MethodCall(Box::new(ast::MethodCall {
seg,
receiver: self_arg,
args,
span: fn_span,
})),
))
} else {
// Field access `expr.f`
if let Some(args) = segment.args {
if let Some(args) = seg.args {
self.sess.emit_err(FieldExpressionWithGeneric(args.span()));
}
let span = lo.to(self.prev_token.span);
Ok(self.mk_expr(span, ExprKind::Field(self_arg, segment.ident)))
Ok(self.mk_expr(span, ExprKind::Field(self_arg, seg.ident)))
}
}
@ -1498,7 +1506,7 @@ impl<'a> Parser<'a> {
});
(lo.to(self.prev_token.span), ExprKind::MacCall(mac))
} else if self.check(&token::OpenDelim(Delimiter::Brace)) &&
let Some(expr) = self.maybe_parse_struct_expr(qself.as_ref(), &path) {
let Some(expr) = self.maybe_parse_struct_expr(&qself, &path) {
if qself.is_some() {
self.sess.gated_spans.gate(sym::more_qualified_paths, path.span);
}
@ -2049,9 +2057,9 @@ impl<'a> Parser<'a> {
};
let capture_clause = self.parse_capture_clause()?;
let decl = self.parse_fn_block_decl()?;
let fn_decl = self.parse_fn_block_decl()?;
let decl_hi = self.prev_token.span;
let mut body = match decl.output {
let mut body = match fn_decl.output {
FnRetTy::Default(_) => {
let restrictions = self.restrictions - Restrictions::STMT_EXPR;
self.parse_expr_res(restrictions, None)?
@ -2087,15 +2095,15 @@ impl<'a> Parser<'a> {
let closure = self.mk_expr(
lo.to(body.span),
ExprKind::Closure(
ExprKind::Closure(Box::new(ast::Closure {
binder,
capture_clause,
asyncness,
movability,
decl,
fn_decl,
body,
lo.to(decl_hi),
),
fn_decl_span: lo.to(decl_hi),
})),
);
// Disable recovery for closure body
@ -2800,7 +2808,7 @@ impl<'a> Parser<'a> {
fn maybe_parse_struct_expr(
&mut self,
qself: Option<&ast::QSelf>,
qself: &Option<P<ast::QSelf>>,
path: &ast::Path,
) -> Option<PResult<'a, P<Expr>>> {
let struct_allowed = !self.restrictions.contains(Restrictions::NO_STRUCT_LITERAL);
@ -2808,7 +2816,7 @@ impl<'a> Parser<'a> {
if let Err(err) = self.expect(&token::OpenDelim(Delimiter::Brace)) {
return Some(Err(err));
}
let expr = self.parse_struct_expr(qself.cloned(), path.clone(), true);
let expr = self.parse_struct_expr(qself.clone(), path.clone(), true);
if let (Ok(expr), false) = (&expr, struct_allowed) {
// This is a struct literal, but we don't can't accept them here.
self.sess.emit_err(StructLiteralNotAllowedHere {
@ -2939,7 +2947,7 @@ impl<'a> Parser<'a> {
/// Precondition: already parsed the '{'.
pub(super) fn parse_struct_expr(
&mut self,
qself: Option<ast::QSelf>,
qself: Option<P<ast::QSelf>>,
pth: ast::Path,
recover: bool,
) -> PResult<'a, P<Expr>> {

7
compiler/rustc_parse/src/parser/item.rs
View File

@ -3,7 +3,6 @@ use crate::errors::{DocCommentDoesNotDocumentAnything, UseEmptyBlockNotSemi};
use super::diagnostics::{dummy_arg, ConsumeClosingDelim};
use super::ty::{AllowPlus, RecoverQPath, RecoverReturnSign};
use super::{AttrWrapper, FollowedByType, ForceCollect, Parser, PathStyle, TrailingToken};
use rustc_ast::ast::*;
use rustc_ast::ptr::P;
use rustc_ast::token::{self, Delimiter, TokenKind};
@ -22,9 +21,10 @@ use rustc_span::lev_distance::lev_distance;
use rustc_span::source_map::{self, Span};
use rustc_span::symbol::{kw, sym, Ident, Symbol};
use rustc_span::DUMMY_SP;
use std::convert::TryFrom;
use std::mem;
use thin_vec::ThinVec;
use tracing::debug;
impl<'a> Parser<'a> {
/// Parses a source module as a crate. This is the main entry point for the parser.
@ -972,7 +972,8 @@ impl<'a> Parser<'a> {
fn parse_use_tree(&mut self) -> PResult<'a, UseTree> {
let lo = self.token.span;
let mut prefix = ast::Path { segments: Vec::new(), span: lo.shrink_to_lo(), tokens: None };
let mut prefix =
ast::Path { segments: ThinVec::new(), span: lo.shrink_to_lo(), tokens: None };
let kind = if self.check(&token::OpenDelim(Delimiter::Brace))
|| self.check(&token::BinOp(token::Star))
|| self.is_import_coupler()

8
compiler/rustc_parse/src/parser/pat.rs
View File

@ -889,7 +889,7 @@ impl<'a> Parser<'a> {
}
/// Parse a struct ("record") pattern (e.g. `Foo { ... }` or `Foo::Bar { ... }`).
fn parse_pat_struct(&mut self, qself: Option<QSelf>, path: Path) -> PResult<'a, PatKind> {
fn parse_pat_struct(&mut self, qself: Option<P<QSelf>>, path: Path) -> PResult<'a, PatKind> {
if qself.is_some() {
// Feature gate the use of qualified paths in patterns
self.sess.gated_spans.gate(sym::more_qualified_paths, path.span);
@ -906,7 +906,11 @@ impl<'a> Parser<'a> {
}
/// Parse tuple struct or tuple variant pattern (e.g. `Foo(...)` or `Foo::Bar(...)`).
fn parse_pat_tuple_struct(&mut self, qself: Option<QSelf>, path: Path) -> PResult<'a, PatKind> {
fn parse_pat_tuple_struct(
&mut self,
qself: Option<P<QSelf>>,
path: Path,
) -> PResult<'a, PatKind> {
let (fields, _) = self.parse_paren_comma_seq(|p| {
p.parse_pat_allow_top_alt(
None,

13
compiler/rustc_parse/src/parser/path.rs
View File

@ -11,8 +11,9 @@ use rustc_ast::{
use rustc_errors::{pluralize, Applicability, PResult};
use rustc_span::source_map::{BytePos, Span};
use rustc_span::symbol::{kw, sym, Ident};
use std::mem;
use thin_vec::ThinVec;
use tracing::debug;
/// Specifies how to parse a path.
#[derive(Copy, Clone, PartialEq)]
@ -48,7 +49,7 @@ impl<'a> Parser<'a> {
/// `<T as U>::a`
/// `<T as U>::F::a<S>` (without disambiguator)
/// `<T as U>::F::a::<S>` (with disambiguator)
pub(super) fn parse_qpath(&mut self, style: PathStyle) -> PResult<'a, (QSelf, Path)> {
pub(super) fn parse_qpath(&mut self, style: PathStyle) -> PResult<'a, (P<QSelf>, Path)> {
let lo = self.prev_token.span;
let ty = self.parse_ty()?;
@ -63,7 +64,7 @@ impl<'a> Parser<'a> {
path_span = path_lo.to(self.prev_token.span);
} else {
path_span = self.token.span.to(self.token.span);
path = ast::Path { segments: Vec::new(), span: path_span, tokens: None };
path = ast::Path { segments: ThinVec::new(), span: path_span, tokens: None };
}
// See doc comment for `unmatched_angle_bracket_count`.
@ -77,7 +78,7 @@ impl<'a> Parser<'a> {
self.expect(&token::ModSep)?;
}
let qself = QSelf { ty, path_span, position: path.segments.len() };
let qself = P(QSelf { ty, path_span, position: path.segments.len() });
self.parse_path_segments(&mut path.segments, style, None)?;
Ok((
@ -179,7 +180,7 @@ impl<'a> Parser<'a> {
}
let lo = self.token.span;
let mut segments = Vec::new();
let mut segments = ThinVec::new();
let mod_sep_ctxt = self.token.span.ctxt();
if self.eat(&token::ModSep) {
segments.push(PathSegment::path_root(lo.shrink_to_lo().with_ctxt(mod_sep_ctxt)));
@ -191,7 +192,7 @@ impl<'a> Parser<'a> {
pub(super) fn parse_path_segments(
&mut self,
segments: &mut Vec<PathSegment>,
segments: &mut ThinVec<PathSegment>,
style: PathStyle,
ty_generics: Option<&Generics>,
) -> PResult<'a, ()> {

7
compiler/rustc_resolve/Cargo.toml
View File

@ -7,10 +7,8 @@ edition = "2021"
[dependencies]
bitflags = "1.2.1"
tracing = "0.1"
rustc_ast = { path = "../rustc_ast" }
rustc_arena = { path = "../rustc_arena" }
rustc_middle = { path = "../rustc_middle" }
rustc_ast = { path = "../rustc_ast" }
rustc_ast_pretty = { path = "../rustc_ast_pretty" }
rustc_attr = { path = "../rustc_attr" }
rustc_data_structures = { path = "../rustc_data_structures" }
@ -20,7 +18,10 @@ rustc_feature = { path = "../rustc_feature" }
rustc_hir = { path = "../rustc_hir" }
rustc_index = { path = "../rustc_index" }
rustc_metadata = { path = "../rustc_metadata" }
rustc_middle = { path = "../rustc_middle" }
rustc_query_system = { path = "../rustc_query_system" }
rustc_session = { path = "../rustc_session" }
rustc_span = { path = "../rustc_span" }
smallvec = { version = "1.8.1", features = ["union", "may_dangle"] }
thin-vec = "0.2.8"
tracing = "0.1"

4
compiler/rustc_resolve/src/def_collector.rs
View File

@ -262,11 +262,11 @@ impl<'a, 'b> visit::Visitor<'a> for DefCollector<'a, 'b> {
fn visit_expr(&mut self, expr: &'a Expr) {
let parent_def = match expr.kind {
ExprKind::MacCall(..) => return self.visit_macro_invoc(expr.id),
ExprKind::Closure(_, _, asyncness, ..) => {
ExprKind::Closure(ref closure) => {
// Async closures desugar to closures inside of closures, so
// we must create two defs.
let closure_def = self.create_def(expr.id, DefPathData::ClosureExpr, expr.span);
match asyncness {
match closure.asyncness {
Async::Yes { closure_id, .. } => {
self.create_def(closure_id, DefPathData::ClosureExpr, expr.span)
}

3
compiler/rustc_resolve/src/diagnostics.rs
View File

@ -25,6 +25,7 @@ use rustc_span::lev_distance::find_best_match_for_name;
use rustc_span::source_map::SourceMap;
use rustc_span::symbol::{kw, sym, Ident, Symbol};
use rustc_span::{BytePos, Span, SyntaxContext};
use thin_vec::ThinVec;
use crate::imports::{Import, ImportKind, ImportResolver};
use crate::late::{PatternSource, Rib};
@ -1295,7 +1296,7 @@ impl<'a> Resolver<'a> {
{
let mut candidates = Vec::new();
let mut seen_modules = FxHashSet::default();
let mut worklist = vec![(start_module, Vec::<ast::PathSegment>::new(), true)];
let mut worklist = vec![(start_module, ThinVec::<ast::PathSegment>::new(), true)];
let mut worklist_via_import = vec![];
while let Some((in_module, path_segments, accessible)) = match worklist.pop() {

59
compiler/rustc_resolve/src/late.rs
View File

@ -648,7 +648,7 @@ impl<'a: 'ast, 'ast> Visitor<'ast> for LateResolutionVisitor<'a, '_, 'ast> {
}
TyKind::Path(ref qself, ref path) => {
self.diagnostic_metadata.current_type_path = Some(ty);
self.smart_resolve_path(ty.id, qself.as_ref(), path, PathSource::Type);
self.smart_resolve_path(ty.id, &qself, path, PathSource::Type);
// Check whether we should interpret this as a bare trait object.
if qself.is_none()
@ -749,7 +749,7 @@ impl<'a: 'ast, 'ast> Visitor<'ast> for LateResolutionVisitor<'a, '_, 'ast> {
this.visit_generic_params(&tref.bound_generic_params, false);
this.smart_resolve_path(
tref.trait_ref.ref_id,
None,
&None,
&tref.trait_ref.path,
PathSource::Trait(AliasPossibility::Maybe),
);
@ -978,7 +978,7 @@ impl<'a: 'ast, 'ast> Visitor<'ast> for LateResolutionVisitor<'a, '_, 'ast> {
|this| {
this.smart_resolve_path(
ty.id,
qself.as_ref(),
qself,
path,
PathSource::Expr(None),
);
@ -1138,12 +1138,7 @@ impl<'a: 'ast, 'ast> Visitor<'ast> for LateResolutionVisitor<'a, '_, 'ast> {
self.with_rib(ValueNS, InlineAsmSymRibKind, |this| {
this.with_rib(TypeNS, InlineAsmSymRibKind, |this| {
this.with_label_rib(InlineAsmSymRibKind, |this| {
this.smart_resolve_path(
sym.id,
sym.qself.as_ref(),
&sym.path,
PathSource::Expr(None),
);
this.smart_resolve_path(sym.id, &sym.qself, &sym.path, PathSource::Expr(None));
visit::walk_inline_asm_sym(this, sym);
});
})
@ -2571,7 +2566,7 @@ impl<'a: 'ast, 'b, 'ast> LateResolutionVisitor<'a, 'b, 'ast> {
self.diagnostic_metadata.currently_processing_impl_trait =
Some((trait_ref.clone(), self_type.clone()));
let res = self.smart_resolve_path_fragment(
None,
&None,
&path,
PathSource::Trait(AliasPossibility::No),
Finalize::new(trait_ref.ref_id, trait_ref.path.span),
@ -3094,7 +3089,7 @@ impl<'a: 'ast, 'b, 'ast> LateResolutionVisitor<'a, 'b, 'ast> {
PatKind::TupleStruct(ref qself, ref path, ref sub_patterns) => {
self.smart_resolve_path(
pat.id,
qself.as_ref(),
qself,
path,
PathSource::TupleStruct(
pat.span,
@ -3103,10 +3098,10 @@ impl<'a: 'ast, 'b, 'ast> LateResolutionVisitor<'a, 'b, 'ast> {
);
}
PatKind::Path(ref qself, ref path) => {
self.smart_resolve_path(pat.id, qself.as_ref(), path, PathSource::Pat);
self.smart_resolve_path(pat.id, qself, path, PathSource::Pat);
}
PatKind::Struct(ref qself, ref path, ..) => {
self.smart_resolve_path(pat.id, qself.as_ref(), path, PathSource::Struct);
self.smart_resolve_path(pat.id, qself, path, PathSource::Struct);
}
PatKind::Or(ref ps) => {
// Add a new set of bindings to the stack. `Or` here records that when a
@ -3299,7 +3294,7 @@ impl<'a: 'ast, 'b, 'ast> LateResolutionVisitor<'a, 'b, 'ast> {
fn smart_resolve_path(
&mut self,
id: NodeId,
qself: Option<&QSelf>,
qself: &Option<P<QSelf>>,
path: &Path,
source: PathSource<'ast>,
) {
@ -3313,7 +3308,7 @@ impl<'a: 'ast, 'b, 'ast> LateResolutionVisitor<'a, 'b, 'ast> {
fn smart_resolve_path_fragment(
&mut self,
qself: Option<&QSelf>,
qself: &Option<P<QSelf>>,
path: &[Segment],
source: PathSource<'ast>,
finalize: Finalize,
@ -3534,7 +3529,7 @@ impl<'a: 'ast, 'b, 'ast> LateResolutionVisitor<'a, 'b, 'ast> {
// Resolve in alternative namespaces if resolution in the primary namespace fails.
fn resolve_qpath_anywhere(
&mut self,
qself: Option<&QSelf>,
qself: &Option<P<QSelf>>,
path: &[Segment],
primary_ns: Namespace,
span: Span,
@ -3578,7 +3573,7 @@ impl<'a: 'ast, 'b, 'ast> LateResolutionVisitor<'a, 'b, 'ast> {
/// Handles paths that may refer to associated items.
fn resolve_qpath(
&mut self,
qself: Option<&QSelf>,
qself: &Option<P<QSelf>>,
path: &[Segment],
ns: Namespace,
finalize: Finalize,
@ -3608,7 +3603,7 @@ impl<'a: 'ast, 'b, 'ast> LateResolutionVisitor<'a, 'b, 'ast> {
// but with `qself` set to `None`.
let ns = if qself.position + 1 == path.len() { ns } else { TypeNS };
let partial_res = self.smart_resolve_path_fragment(
None,
&None,
&path[..=qself.position],
PathSource::TraitItem(ns),
Finalize::with_root_span(finalize.node_id, finalize.path_span, qself.path_span),
@ -3791,12 +3786,12 @@ impl<'a: 'ast, 'b, 'ast> LateResolutionVisitor<'a, 'b, 'ast> {
// Next, resolve the node.
match expr.kind {
ExprKind::Path(ref qself, ref path) => {
self.smart_resolve_path(expr.id, qself.as_ref(), path, PathSource::Expr(parent));
self.smart_resolve_path(expr.id, qself, path, PathSource::Expr(parent));
visit::walk_expr(self, expr);
}
ExprKind::Struct(ref se) => {
self.smart_resolve_path(expr.id, se.qself.as_ref(), &se.path, PathSource::Struct);
self.smart_resolve_path(expr.id, &se.qself, &se.path, PathSource::Struct);
visit::walk_expr(self, expr);
}
@ -3866,12 +3861,12 @@ impl<'a: 'ast, 'b, 'ast> LateResolutionVisitor<'a, 'b, 'ast> {
ExprKind::Field(ref subexpression, _) => {
self.resolve_expr(subexpression, Some(expr));
}
ExprKind::MethodCall(ref segment, ref receiver, ref arguments, _) => {
ExprKind::MethodCall(box MethodCall { ref seg, ref receiver, ref args, .. }) => {
self.resolve_expr(receiver, Some(expr));
for argument in arguments {
self.resolve_expr(argument, None);
for arg in args {
self.resolve_expr(arg, None);
}
self.visit_path_segment(segment);
self.visit_path_segment(seg);
}
ExprKind::Call(ref callee, ref arguments) => {
@ -3913,7 +3908,12 @@ impl<'a: 'ast, 'b, 'ast> LateResolutionVisitor<'a, 'b, 'ast> {
// `async |x| ...` gets desugared to `|x| future_from_generator(|| ...)`, so we need to
// resolve the arguments within the proper scopes so that usages of them inside the
// closure are detected as upvars rather than normal closure arg usages.
ExprKind::Closure(_, _, Async::Yes { .. }, _, ref fn_decl, ref body, _span) => {
ExprKind::Closure(box ast::Closure {
asyncness: Async::Yes { .. },
ref fn_decl,
ref body,
..
}) => {
self.with_rib(ValueNS, NormalRibKind, |this| {
this.with_label_rib(ClosureOrAsyncRibKind, |this| {
// Resolve arguments:
@ -3933,7 +3933,10 @@ impl<'a: 'ast, 'b, 'ast> LateResolutionVisitor<'a, 'b, 'ast> {
});
}
// For closures, ClosureOrAsyncRibKind is added in visit_fn
ExprKind::Closure(ClosureBinder::For { ref generic_params, span }, ..) => {
ExprKind::Closure(box ast::Closure {
binder: ClosureBinder::For { ref generic_params, span },
..
}) => {
self.with_generic_param_rib(
&generic_params,
NormalRibKind,
@ -3990,9 +3993,9 @@ impl<'a: 'ast, 'b, 'ast> LateResolutionVisitor<'a, 'b, 'ast> {
let traits = self.traits_in_scope(ident, ValueNS);
self.r.trait_map.insert(expr.id, traits);
}
ExprKind::MethodCall(ref segment, ..) => {
ExprKind::MethodCall(ref call) => {
debug!("(recording candidate traits for expr) recording traits for {}", expr.id);
let traits = self.traits_in_scope(segment.ident, ValueNS);
let traits = self.traits_in_scope(call.seg.ident, ValueNS);
self.r.trait_map.insert(expr.id, traits);
}
_ => {

24
compiler/rustc_resolve/src/late/diagnostics.rs
View File

@ -8,7 +8,7 @@ use crate::{PathResult, PathSource, Segment};
use rustc_ast::visit::{FnCtxt, FnKind, LifetimeCtxt};
use rustc_ast::{
self as ast, AssocItemKind, Expr, ExprKind, GenericParam, GenericParamKind, Item, ItemKind,
NodeId, Path, Ty, TyKind, DUMMY_NODE_ID,
MethodCall, NodeId, Path, Ty, TyKind, DUMMY_NODE_ID,
};
use rustc_ast_pretty::pprust::path_segment_to_string;
use rustc_data_structures::fx::FxHashSet;
@ -33,6 +33,8 @@ use rustc_span::{BytePos, Span};
use std::iter;
use std::ops::Deref;
use thin_vec::ThinVec;
type Res = def::Res<ast::NodeId>;
/// A field or associated item from self type suggested in case of resolution failure.
@ -78,7 +80,7 @@ fn import_candidate_to_enum_paths(suggestion: &ImportSuggestion) -> (String, Str
let path_len = suggestion.path.segments.len();
let enum_path = ast::Path {
span: suggestion.path.span,
segments: suggestion.path.segments[0..path_len - 1].to_vec(),
segments: suggestion.path.segments[0..path_len - 1].iter().cloned().collect(),
tokens: None,
};
let enum_path_string = path_names_to_string(&enum_path);
@ -1022,11 +1024,7 @@ impl<'a: 'ast, 'ast> LateResolutionVisitor<'a, '_, 'ast> {
};
// Confirm that the target is an associated type.
let (ty, position, path) = if let ast::TyKind::Path(
Some(ast::QSelf { ty, position, .. }),
path,
) = &bounded_ty.kind
{
let (ty, position, path) = if let ast::TyKind::Path(Some(qself), path) = &bounded_ty.kind {
// use this to verify that ident is a type param.
let Some(partial_res) = self.r.partial_res_map.get(&bounded_ty.id) else {
return false;
@ -1037,7 +1035,7 @@ impl<'a: 'ast, 'ast> LateResolutionVisitor<'a, '_, 'ast> {
) {
return false;
}
(ty, position, path)
(&qself.ty, qself.position, path)
} else {
return false;
};
@ -1073,12 +1071,12 @@ impl<'a: 'ast, 'ast> LateResolutionVisitor<'a, '_, 'ast> {
.source_map()
.span_to_snippet(ty.span) // Account for `<&'a T as Foo>::Bar`.
.unwrap_or_else(|_| constrain_ident.to_string()),
path.segments[..*position]
path.segments[..position]
.iter()
.map(|segment| path_segment_to_string(segment))
.collect::<Vec<_>>()
.join("::"),
path.segments[*position..]
path.segments[position..]
.iter()
.map(|segment| path_segment_to_string(segment))
.collect::<Vec<_>>()
@ -1170,7 +1168,9 @@ impl<'a: 'ast, 'ast> LateResolutionVisitor<'a, '_, 'ast> {
let (lhs_span, rhs_span) = match &expr.kind {
ExprKind::Field(base, ident) => (base.span, ident.span),
ExprKind::MethodCall(_, receiver, _, span) => (receiver.span, *span),
ExprKind::MethodCall(box MethodCall { receiver, span, .. }) => {
(receiver.span, *span)
}
_ => return false,
};
@ -1833,7 +1833,7 @@ impl<'a: 'ast, 'ast> LateResolutionVisitor<'a, '_, 'ast> {
fn find_module(&mut self, def_id: DefId) -> Option<(Module<'a>, ImportSuggestion)> {
let mut result = None;
let mut seen_modules = FxHashSet::default();
let mut worklist = vec![(self.r.graph_root, Vec::new())];
let mut worklist = vec![(self.r.graph_root, ThinVec::new())];
while let Some((in_module, path_segments)) = worklist.pop() {
// abort if the module is already found

34
src/test/ui-fulldeps/pprust-expr-roundtrip.rs
View File

@ -25,6 +25,7 @@ extern crate rustc_data_structures;
extern crate rustc_parse;
extern crate rustc_session;
extern crate rustc_span;
extern crate thin_vec;
use rustc_ast::mut_visit::{self, visit_clobber, MutVisitor};
use rustc_ast::ptr::P;
@ -35,6 +36,7 @@ use rustc_session::parse::ParseSess;
use rustc_span::source_map::FilePathMapping;
use rustc_span::source_map::{FileName, Spanned, DUMMY_SP};
use rustc_span::symbol::Ident;
use thin_vec::thin_vec;
fn parse_expr(ps: &ParseSess, src: &str) -> Option<P<Expr>> {
let src_as_string = src.to_string();
@ -51,7 +53,7 @@ fn expr(kind: ExprKind) -> P<Expr> {
fn make_x() -> P<Expr> {
let seg = PathSegment::from_ident(Ident::from_str("x"));
let path = Path { segments: vec![seg], span: DUMMY_SP, tokens: None };
let path = Path { segments: thin_vec![seg], span: DUMMY_SP, tokens: None };
expr(ExprKind::Path(None, path))
}
@ -73,11 +75,15 @@ fn iter_exprs(depth: usize, f: &mut dyn FnMut(P<Expr>)) {
2 => {
let seg = PathSegment::from_ident(Ident::from_str("x"));
iter_exprs(depth - 1, &mut |e| {
g(ExprKind::MethodCall(seg.clone(), e, vec![make_x()], DUMMY_SP))
});
g(ExprKind::MethodCall(Box::new(MethodCall {
seg: seg.clone(), receiver: e, args: vec![make_x()], span: DUMMY_SP
}))
)});
iter_exprs(depth - 1, &mut |e| {
g(ExprKind::MethodCall(seg.clone(), make_x(), vec![e], DUMMY_SP))
});
g(ExprKind::MethodCall(Box::new(MethodCall {
seg: seg.clone(), receiver: make_x(), args: vec![e], span: DUMMY_SP
}))
)});
}
3..=8 => {
let op = Spanned {
@ -112,15 +118,15 @@ fn iter_exprs(depth: usize, f: &mut dyn FnMut(P<Expr>)) {
11 => {
let decl = P(FnDecl { inputs: vec![], output: FnRetTy::Default(DUMMY_SP) });
iter_exprs(depth - 1, &mut |e| {
g(ExprKind::Closure(
ClosureBinder::NotPresent,
CaptureBy::Value,
Async::No,
Movability::Movable,
decl.clone(),
e,
DUMMY_SP,
))
g(ExprKind::Closure(Box::new(Closure {
binder: ClosureBinder::NotPresent,
capture_clause: CaptureBy::Value,
asyncness: Async::No,
movability: Movability::Movable,
fn_decl: decl.clone(),
body: e,
fn_decl_span: DUMMY_SP,
})))
});
}
12 => {

204
src/test/ui/stats/hir-stats.stderr
View File

@ -2,118 +2,118 @@ ast-stats-1 PRE EXPANSION AST STATS
ast-stats-1 Name Accumulated Size Count Item Size
ast-stats-1 ----------------------------------------------------------------
ast-stats-1 ExprField 48 ( 0.6%) 1 48
ast-stats-1 Crate 56 ( 0.7%) 1 56
ast-stats-1 Attribute 64 ( 0.8%) 2 32
ast-stats-1 Crate 56 ( 0.8%) 1 56
ast-stats-1 Attribute 64 ( 0.9%) 2 32
ast-stats-1 - Normal 32 ( 0.4%) 1
ast-stats-1 - DocComment 32 ( 0.4%) 1
ast-stats-1 GenericArgs 64 ( 0.8%) 1 64
ast-stats-1 - AngleBracketed 64 ( 0.8%) 1
ast-stats-1 Local 72 ( 0.9%) 1 72
ast-stats-1 WherePredicate 72 ( 0.9%) 1 72
ast-stats-1 - BoundPredicate 72 ( 0.9%) 1
ast-stats-1 Arm 96 ( 1.1%) 2 48
ast-stats-1 ForeignItem 96 ( 1.1%) 1 96
ast-stats-1 - Fn 96 ( 1.1%) 1
ast-stats-1 FieldDef 160 ( 1.9%) 2 80
ast-stats-1 Stmt 160 ( 1.9%) 5 32
ast-stats-1 GenericArgs 64 ( 0.9%) 1 64
ast-stats-1 - AngleBracketed 64 ( 0.9%) 1
ast-stats-1 Local 72 ( 1.0%) 1 72
ast-stats-1 WherePredicate 72 ( 1.0%) 1 72
ast-stats-1 - BoundPredicate 72 ( 1.0%) 1
ast-stats-1 Arm 96 ( 1.3%) 2 48
ast-stats-1 ForeignItem 96 ( 1.3%) 1 96
ast-stats-1 - Fn 96 ( 1.3%) 1
ast-stats-1 FieldDef 160 ( 2.2%) 2 80
ast-stats-1 Stmt 160 ( 2.2%) 5 32
ast-stats-1 - Local 32 ( 0.4%) 1
ast-stats-1 - MacCall 32 ( 0.4%) 1
ast-stats-1 - Expr 96 ( 1.1%) 3
ast-stats-1 Param 160 ( 1.9%) 4 40
ast-stats-1 FnDecl 200 ( 2.4%) 5 40
ast-stats-1 Variant 240 ( 2.9%) 2 120
ast-stats-1 Block 288 ( 3.4%) 6 48
ast-stats-1 GenericBound 352 ( 4.2%) 4 88
ast-stats-1 - Trait 352 ( 4.2%) 4
ast-stats-1 AssocItem 416 ( 4.9%) 4 104
ast-stats-1 - Type 208 ( 2.5%) 2
ast-stats-1 - Fn 208 ( 2.5%) 2
ast-stats-1 GenericParam 480 ( 5.7%) 5 96
ast-stats-1 PathSegment 720 ( 8.6%) 30 24
ast-stats-1 Expr 832 ( 9.9%) 8 104
ast-stats-1 - Path 104 ( 1.2%) 1
ast-stats-1 - Match 104 ( 1.2%) 1
ast-stats-1 - Struct 104 ( 1.2%) 1
ast-stats-1 - Lit 208 ( 2.5%) 2
ast-stats-1 - Block 312 ( 3.7%) 3
ast-stats-1 Pat 840 (10.0%) 7 120
ast-stats-1 - Struct 120 ( 1.4%) 1
ast-stats-1 - Wild 120 ( 1.4%) 1
ast-stats-1 - Ident 600 ( 7.1%) 5
ast-stats-1 Ty 1_344 (16.0%) 14 96
ast-stats-1 - Rptr 96 ( 1.1%) 1
ast-stats-1 - Ptr 96 ( 1.1%) 1
ast-stats-1 - ImplicitSelf 192 ( 2.3%) 2
ast-stats-1 - Path 960 (11.4%) 10
ast-stats-1 Item 1_656 (19.7%) 9 184
ast-stats-1 - Trait 184 ( 2.2%) 1
ast-stats-1 - Enum 184 ( 2.2%) 1
ast-stats-1 - ForeignMod 184 ( 2.2%) 1
ast-stats-1 - Impl 184 ( 2.2%) 1
ast-stats-1 - Fn 368 ( 4.4%) 2
ast-stats-1 - Use 552 ( 6.6%) 3
ast-stats-1 - Expr 96 ( 1.3%) 3
ast-stats-1 Param 160 ( 2.2%) 4 40
ast-stats-1 FnDecl 200 ( 2.7%) 5 40
ast-stats-1 Variant 240 ( 3.2%) 2 120
ast-stats-1 GenericBound 288 ( 3.9%) 4 72
ast-stats-1 - Trait 288 ( 3.9%) 4
ast-stats-1 Block 288 ( 3.9%) 6 48
ast-stats-1 AssocItem 416 ( 5.6%) 4 104
ast-stats-1 - Type 208 ( 2.8%) 2
ast-stats-1 - Fn 208 ( 2.8%) 2
ast-stats-1 GenericParam 480 ( 6.5%) 5 96
ast-stats-1 Expr 576 ( 7.8%) 8 72
ast-stats-1 - Path 72 ( 1.0%) 1
ast-stats-1 - Match 72 ( 1.0%) 1
ast-stats-1 - Struct 72 ( 1.0%) 1
ast-stats-1 - Lit 144 ( 1.9%) 2
ast-stats-1 - Block 216 ( 2.9%) 3
ast-stats-1 Pat 616 ( 8.3%) 7 88
ast-stats-1 - Struct 88 ( 1.2%) 1
ast-stats-1 - Wild 88 ( 1.2%) 1
ast-stats-1 - Ident 440 ( 5.9%) 5
ast-stats-1 PathSegment 720 ( 9.7%) 30 24
ast-stats-1 Ty 896 (12.1%) 14 64
ast-stats-1 - Rptr 64 ( 0.9%) 1
ast-stats-1 - Ptr 64 ( 0.9%) 1
ast-stats-1 - ImplicitSelf 128 ( 1.7%) 2
ast-stats-1 - Path 640 ( 8.6%) 10
ast-stats-1 Item 1_656 (22.3%) 9 184
ast-stats-1 - Trait 184 ( 2.5%) 1
ast-stats-1 - Enum 184 ( 2.5%) 1
ast-stats-1 - ForeignMod 184 ( 2.5%) 1
ast-stats-1 - Impl 184 ( 2.5%) 1
ast-stats-1 - Fn 368 ( 5.0%) 2
ast-stats-1 - Use 552 ( 7.4%) 3
ast-stats-1 ----------------------------------------------------------------
ast-stats-1 Total 8_416
ast-stats-1 Total 7_424
ast-stats-1
ast-stats-2 POST EXPANSION AST STATS
ast-stats-2 Name Accumulated Size Count Item Size
ast-stats-2 ----------------------------------------------------------------
ast-stats-2 ExprField 48 ( 0.5%) 1 48
ast-stats-2 Crate 56 ( 0.6%) 1 56
ast-stats-2 GenericArgs 64 ( 0.7%) 1 64
ast-stats-2 - AngleBracketed 64 ( 0.7%) 1
ast-stats-2 Local 72 ( 0.8%) 1 72
ast-stats-2 WherePredicate 72 ( 0.8%) 1 72
ast-stats-2 - BoundPredicate 72 ( 0.8%) 1
ast-stats-2 Arm 96 ( 1.0%) 2 48
ast-stats-2 ForeignItem 96 ( 1.0%) 1 96
ast-stats-2 - Fn 96 ( 1.0%) 1
ast-stats-2 InlineAsm 120 ( 1.3%) 1 120
ast-stats-2 Attribute 128 ( 1.4%) 4 32
ast-stats-2 - DocComment 32 ( 0.3%) 1
ast-stats-2 - Normal 96 ( 1.0%) 3
ast-stats-2 FieldDef 160 ( 1.7%) 2 80
ast-stats-2 Stmt 160 ( 1.7%) 5 32
ast-stats-2 - Local 32 ( 0.3%) 1
ast-stats-2 - Semi 32 ( 0.3%) 1
ast-stats-2 - Expr 96 ( 1.0%) 3
ast-stats-2 Param 160 ( 1.7%) 4 40
ast-stats-2 FnDecl 200 ( 2.2%) 5 40
ast-stats-2 Variant 240 ( 2.6%) 2 120
ast-stats-2 Block 288 ( 3.1%) 6 48
ast-stats-2 GenericBound 352 ( 3.8%) 4 88
ast-stats-2 - Trait 352 ( 3.8%) 4
ast-stats-2 AssocItem 416 ( 4.5%) 4 104
ast-stats-2 - Type 208 ( 2.3%) 2
ast-stats-2 - Fn 208 ( 2.3%) 2
ast-stats-2 GenericParam 480 ( 5.2%) 5 96
ast-stats-2 PathSegment 792 ( 8.7%) 33 24
ast-stats-2 Pat 840 ( 9.2%) 7 120
ast-stats-2 - Struct 120 ( 1.3%) 1
ast-stats-2 - Wild 120 ( 1.3%) 1
ast-stats-2 - Ident 600 ( 6.6%) 5
ast-stats-2 Expr 936 (10.2%) 9 104
ast-stats-2 - Path 104 ( 1.1%) 1
ast-stats-2 - Match 104 ( 1.1%) 1
ast-stats-2 - Struct 104 ( 1.1%) 1
ast-stats-2 - InlineAsm 104 ( 1.1%) 1
ast-stats-2 - Lit 208 ( 2.3%) 2
ast-stats-2 - Block 312 ( 3.4%) 3
ast-stats-2 Ty 1_344 (14.7%) 14 96
ast-stats-2 - Rptr 96 ( 1.0%) 1
ast-stats-2 - Ptr 96 ( 1.0%) 1
ast-stats-2 - ImplicitSelf 192 ( 2.1%) 2
ast-stats-2 - Path 960 (10.5%) 10
ast-stats-2 Item 2_024 (22.1%) 11 184
ast-stats-2 - Trait 184 ( 2.0%) 1
ast-stats-2 - Enum 184 ( 2.0%) 1
ast-stats-2 - ExternCrate 184 ( 2.0%) 1
ast-stats-2 - ForeignMod 184 ( 2.0%) 1
ast-stats-2 - Impl 184 ( 2.0%) 1
ast-stats-2 - Fn 368 ( 4.0%) 2
ast-stats-2 - Use 736 ( 8.0%) 4
ast-stats-2 ExprField 48 ( 0.6%) 1 48
ast-stats-2 Crate 56 ( 0.7%) 1 56
ast-stats-2 GenericArgs 64 ( 0.8%) 1 64
ast-stats-2 - AngleBracketed 64 ( 0.8%) 1
ast-stats-2 Local 72 ( 0.9%) 1 72
ast-stats-2 WherePredicate 72 ( 0.9%) 1 72
ast-stats-2 - BoundPredicate 72 ( 0.9%) 1
ast-stats-2 Arm 96 ( 1.2%) 2 48
ast-stats-2 ForeignItem 96 ( 1.2%) 1 96
ast-stats-2 - Fn 96 ( 1.2%) 1
ast-stats-2 InlineAsm 120 ( 1.5%) 1 120
ast-stats-2 Attribute 128 ( 1.6%) 4 32
ast-stats-2 - DocComment 32 ( 0.4%) 1
ast-stats-2 - Normal 96 ( 1.2%) 3
ast-stats-2 FieldDef 160 ( 2.0%) 2 80
ast-stats-2 Stmt 160 ( 2.0%) 5 32
ast-stats-2 - Local 32 ( 0.4%) 1
ast-stats-2 - Semi 32 ( 0.4%) 1
ast-stats-2 - Expr 96 ( 1.2%) 3
ast-stats-2 Param 160 ( 2.0%) 4 40
ast-stats-2 FnDecl 200 ( 2.5%) 5 40
ast-stats-2 Variant 240 ( 3.0%) 2 120
ast-stats-2 GenericBound 288 ( 3.5%) 4 72
ast-stats-2 - Trait 288 ( 3.5%) 4
ast-stats-2 Block 288 ( 3.5%) 6 48
ast-stats-2 AssocItem 416 ( 5.1%) 4 104
ast-stats-2 - Type 208 ( 2.6%) 2
ast-stats-2 - Fn 208 ( 2.6%) 2
ast-stats-2 GenericParam 480 ( 5.9%) 5 96
ast-stats-2 Pat 616 ( 7.6%) 7 88
ast-stats-2 - Struct 88 ( 1.1%) 1
ast-stats-2 - Wild 88 ( 1.1%) 1
ast-stats-2 - Ident 440 ( 5.4%) 5
ast-stats-2 Expr 648 ( 8.0%) 9 72
ast-stats-2 - Path 72 ( 0.9%) 1
ast-stats-2 - Match 72 ( 0.9%) 1
ast-stats-2 - Struct 72 ( 0.9%) 1
ast-stats-2 - InlineAsm 72 ( 0.9%) 1
ast-stats-2 - Lit 144 ( 1.8%) 2
ast-stats-2 - Block 216 ( 2.7%) 3
ast-stats-2 PathSegment 792 ( 9.8%) 33 24
ast-stats-2 Ty 896 (11.0%) 14 64
ast-stats-2 - Rptr 64 ( 0.8%) 1
ast-stats-2 - Ptr 64 ( 0.8%) 1
ast-stats-2 - ImplicitSelf 128 ( 1.6%) 2
ast-stats-2 - Path 640 ( 7.9%) 10
ast-stats-2 Item 2_024 (24.9%) 11 184
ast-stats-2 - Trait 184 ( 2.3%) 1
ast-stats-2 - Enum 184 ( 2.3%) 1
ast-stats-2 - ExternCrate 184 ( 2.3%) 1
ast-stats-2 - ForeignMod 184 ( 2.3%) 1
ast-stats-2 - Impl 184 ( 2.3%) 1
ast-stats-2 - Fn 368 ( 4.5%) 2
ast-stats-2 - Use 736 ( 9.1%) 4
ast-stats-2 ----------------------------------------------------------------
ast-stats-2 Total 9_144
ast-stats-2 Total 8_120
ast-stats-2
hir-stats HIR STATS
hir-stats Name Accumulated Size Count Item Size

8
src/tools/clippy/clippy_lints/src/double_parens.rs
View File

@ -61,10 +61,10 @@ impl EarlyLintPass for DoubleParens {
}
}
},
ExprKind::MethodCall(_, _, ref params, _) => {
if let [ref param] = params[..] {
if let ExprKind::Paren(_) = param.kind {
span_lint(cx, DOUBLE_PARENS, param.span, msg);
ExprKind::MethodCall(ref call) => {
if let [ref arg] = call.args[..] {
if let ExprKind::Paren(_) = arg.kind {
span_lint(cx, DOUBLE_PARENS, arg.span, msg);
}
}
},

6
src/tools/clippy/clippy_lints/src/option_env_unwrap.rs
View File

@ -1,7 +1,7 @@
use clippy_utils::diagnostics::span_lint_and_help;
use clippy_utils::is_direct_expn_of;
use if_chain::if_chain;
use rustc_ast::ast::{Expr, ExprKind};
use rustc_ast::ast::{Expr, ExprKind, MethodCall};
use rustc_lint::{EarlyContext, EarlyLintPass};
use rustc_session::{declare_lint_pass, declare_tool_lint};
use rustc_span::sym;
@ -37,8 +37,8 @@ declare_lint_pass!(OptionEnvUnwrap => [OPTION_ENV_UNWRAP]);
impl EarlyLintPass for OptionEnvUnwrap {
fn check_expr(&mut self, cx: &EarlyContext<'_>, expr: &Expr) {
if_chain! {
if let ExprKind::MethodCall(path_segment, receiver, _, _) = &expr.kind;
if matches!(path_segment.ident.name, sym::expect | sym::unwrap);
if let ExprKind::MethodCall(box MethodCall { seg, receiver, .. }) = &expr.kind;
if matches!(seg.ident.name, sym::expect | sym::unwrap);
if let ExprKind::Call(caller, _) = &receiver.kind;
if is_direct_expn_of(caller.span, "option_env").is_some();
then {

8
src/tools/clippy/clippy_lints/src/precedence.rs
View File

@ -1,7 +1,7 @@
use clippy_utils::diagnostics::span_lint_and_sugg;
use clippy_utils::source::snippet_with_applicability;
use if_chain::if_chain;
use rustc_ast::ast::{BinOpKind, Expr, ExprKind, UnOp};
use rustc_ast::ast::{BinOpKind, Expr, ExprKind, MethodCall, UnOp};
use rustc_ast::token;
use rustc_errors::Applicability;
use rustc_lint::{EarlyContext, EarlyLintPass};
@ -110,11 +110,11 @@ impl EarlyLintPass for Precedence {
let mut arg = operand;
let mut all_odd = true;
while let ExprKind::MethodCall(path_segment, receiver, _, _) = &arg.kind {
let path_segment_str = path_segment.ident.name.as_str();
while let ExprKind::MethodCall(box MethodCall { seg, receiver, .. }) = &arg.kind {
let seg_str = seg.ident.name.as_str();
all_odd &= ALLOWED_ODD_FUNCTIONS
.iter()
.any(|odd_function| **odd_function == *path_segment_str);
.any(|odd_function| **odd_function == *seg_str);
arg = receiver;
}

12
src/tools/clippy/clippy_lints/src/redundant_closure_call.rs
View File

@ -69,10 +69,10 @@ impl EarlyLintPass for RedundantClosureCall {
if_chain! {
if let ast::ExprKind::Call(ref paren, _) = expr.kind;
if let ast::ExprKind::Paren(ref closure) = paren.kind;
if let ast::ExprKind::Closure(_, _, ref r#async, _, ref decl, ref block, _) = closure.kind;
if let ast::ExprKind::Closure(box ast::Closure { ref asyncness, ref fn_decl, ref body, .. }) = closure.kind;
then {
let mut visitor = ReturnVisitor::new();
visitor.visit_expr(block);
visitor.visit_expr(body);
if !visitor.found_return {
span_lint_and_then(
cx,
@ -80,13 +80,13 @@ impl EarlyLintPass for RedundantClosureCall {
expr.span,
"try not to call a closure in the expression where it is declared",
|diag| {
if decl.inputs.is_empty() {
if fn_decl.inputs.is_empty() {
let app = Applicability::MachineApplicable;
let mut hint = Sugg::ast(cx, block, "..");
let mut hint = Sugg::ast(cx, body, "..");
if r#async.is_async() {
if asyncness.is_async() {
// `async x` is a syntax error, so it becomes `async { x }`
if !matches!(block.kind, ast::ExprKind::Block(_, _)) {
if !matches!(body.kind, ast::ExprKind::Block(_, _)) {
hint = hint.blockify();
}

4
src/tools/clippy/clippy_lints/src/suspicious_operation_groupings.rs
View File

@ -580,7 +580,7 @@ fn ident_difference_expr_with_base_location(
| (Await(_), Await(_))
| (Async(_, _, _), Async(_, _, _))
| (Block(_, _), Block(_, _))
| (Closure(_, _, _, _, _, _, _), Closure(_, _, _, _, _, _, _))
| (Closure(_), Closure(_))
| (Match(_, _), Match(_, _))
| (Loop(_, _), Loop(_, _))
| (ForLoop(_, _, _, _), ForLoop(_, _, _, _))
@ -593,7 +593,7 @@ fn ident_difference_expr_with_base_location(
| (Unary(_, _), Unary(_, _))
| (Binary(_, _, _), Binary(_, _, _))
| (Tup(_), Tup(_))
| (MethodCall(_, _, _, _), MethodCall(_, _, _, _))
| (MethodCall(_), MethodCall(_))
| (Call(_, _), Call(_, _))
| (ConstBlock(_), ConstBlock(_))
| (Array(_), Array(_))

2
src/tools/clippy/clippy_lints/src/unnested_or_patterns.rs
View File

@ -292,7 +292,7 @@ fn transform_with_focus_on_idx(alternatives: &mut Vec<P<Pat>>, focus_idx: usize)
/// So when we fixate on some `ident_k: pat_k`, we try to find `ident_k` in the other pattern
/// and check that all `fp_i` where `i ∈ ((0...n) \ k)` between two patterns are equal.
fn extend_with_struct_pat(
qself1: &Option<ast::QSelf>,
qself1: &Option<P<ast::QSelf>>,
path1: &ast::Path,
fps1: &mut [ast::PatField],
rest1: bool,

6
src/tools/clippy/clippy_lints/src/unused_rounding.rs
View File

@ -1,5 +1,5 @@
use clippy_utils::diagnostics::span_lint_and_sugg;
use rustc_ast::ast::{Expr, ExprKind};
use rustc_ast::ast::{Expr, ExprKind, MethodCall};
use rustc_errors::Applicability;
use rustc_lint::{EarlyContext, EarlyLintPass};
use rustc_session::{declare_lint_pass, declare_tool_lint};
@ -30,8 +30,8 @@ declare_clippy_lint! {
declare_lint_pass!(UnusedRounding => [UNUSED_ROUNDING]);
fn is_useless_rounding(expr: &Expr) -> Option<(&str, String)> {
if let ExprKind::MethodCall(name_ident, receiver, _, _) = &expr.kind
&& let method_name = name_ident.ident.name.as_str()
if let ExprKind::MethodCall(box MethodCall { seg, receiver, .. }) = &expr.kind
&& let method_name = seg.ident.name.as_str()
&& (method_name == "ceil" || method_name == "round" || method_name == "floor")
&& let ExprKind::Lit(token_lit) = &receiver.kind
&& token_lit.is_semantic_float() {

32
src/tools/clippy/clippy_utils/src/ast_utils.rs
View File

@ -75,11 +75,11 @@ pub fn eq_field_pat(l: &PatField, r: &PatField) -> bool {
&& over(&l.attrs, &r.attrs, eq_attr)
}
pub fn eq_qself(l: &QSelf, r: &QSelf) -> bool {
pub fn eq_qself(l: &P<QSelf>, r: &P<QSelf>) -> bool {
l.position == r.position && eq_ty(&l.ty, &r.ty)
}
pub fn eq_maybe_qself(l: &Option<QSelf>, r: &Option<QSelf>) -> bool {
pub fn eq_maybe_qself(l: &Option<P<QSelf>>, r: &Option<P<QSelf>>) -> bool {
match (l, r) {
(Some(l), Some(r)) => eq_qself(l, r),
(None, None) => true,
@ -147,8 +147,11 @@ pub fn eq_expr(l: &Expr, r: &Expr) -> bool {
(Array(l), Array(r)) | (Tup(l), Tup(r)) => over(l, r, |l, r| eq_expr(l, r)),
(Repeat(le, ls), Repeat(re, rs)) => eq_expr(le, re) && eq_expr(&ls.value, &rs.value),
(Call(lc, la), Call(rc, ra)) => eq_expr(lc, rc) && over(la, ra, |l, r| eq_expr(l, r)),
(MethodCall(lc, ls, la, _), MethodCall(rc, rs, ra, _)) => {
eq_path_seg(lc, rc) && eq_expr(ls, rs) && over(la, ra, |l, r| eq_expr(l, r))
(
MethodCall(box ast::MethodCall { seg: ls, receiver: lr, args: la, .. }),
MethodCall(box ast::MethodCall { seg: rs, receiver: rr, args: ra, .. })
) => {
eq_path_seg(ls, rs) && eq_expr(lr, rr) && over(la, ra, |l, r| eq_expr(l, r))
},
(Binary(lo, ll, lr), Binary(ro, rl, rr)) => lo.node == ro.node && eq_expr(ll, rl) && eq_expr(lr, rr),
(Unary(lo, l), Unary(ro, r)) => mem::discriminant(lo) == mem::discriminant(ro) && eq_expr(l, r),
@ -170,7 +173,26 @@ pub fn eq_expr(l: &Expr, r: &Expr) -> bool {
(AssignOp(lo, lp, lv), AssignOp(ro, rp, rv)) => lo.node == ro.node && eq_expr(lp, rp) && eq_expr(lv, rv),
(Field(lp, lf), Field(rp, rf)) => eq_id(*lf, *rf) && eq_expr(lp, rp),
(Match(ls, la), Match(rs, ra)) => eq_expr(ls, rs) && over(la, ra, eq_arm),
(Closure(lb, lc, la, lm, lf, le, _), Closure(rb, rc, ra, rm, rf, re, _)) => {
(
Closure(box ast::Closure {
binder: lb,
capture_clause: lc,
asyncness: la,
movability: lm,
fn_decl: lf,
body: le,
..
}),
Closure(box ast::Closure {
binder: rb,
capture_clause: rc,
asyncness: ra,
movability: rm,
fn_decl: rf,
body: re,
..
})
) => {
eq_closure_binder(lb, rb)
&& lc == rc
&& la.is_async() == ra.is_async()

6
src/tools/rustfmt/src/attr.rs
View File

@ -290,10 +290,10 @@ impl Rewrite for ast::MetaItem {
fn rewrite(&self, context: &RewriteContext<'_>, shape: Shape) -> Option<String> {
Some(match self.kind {
ast::MetaItemKind::Word => {
rewrite_path(context, PathContext::Type, None, &self.path, shape)?
rewrite_path(context, PathContext::Type, &None, &self.path, shape)?
}
ast::MetaItemKind::List(ref list) => {
let path = rewrite_path(context, PathContext::Type, None, &self.path, shape)?;
let path = rewrite_path(context, PathContext::Type, &None, &self.path, shape)?;
let has_trailing_comma = crate::expr::span_ends_with_comma(context, self.span);
overflow::rewrite_with_parens(
context,
@ -311,7 +311,7 @@ impl Rewrite for ast::MetaItem {
)?
}
ast::MetaItemKind::NameValue(ref literal) => {
let path = rewrite_path(context, PathContext::Type, None, &self.path, shape)?;
let path = rewrite_path(context, PathContext::Type, &None, &self.path, shape)?;
// 3 = ` = `
let lit_shape = shape.shrink_left(path.len() + 3)?;
// `rewrite_literal` returns `None` when `literal` exceeds max

12
src/tools/rustfmt/src/chains.rs
View File

@ -145,8 +145,8 @@ impl ChainItemKind {
fn from_ast(context: &RewriteContext<'_>, expr: &ast::Expr) -> (ChainItemKind, Span) {
let (kind, span) = match expr.kind {
ast::ExprKind::MethodCall(ref segment, ref receiver, ref expressions, _) => {
let types = if let Some(ref generic_args) = segment.args {
ast::ExprKind::MethodCall(ref call) => {
let types = if let Some(ref generic_args) = call.seg.args {
if let ast::GenericArgs::AngleBracketed(ref data) = **generic_args {
data.args
.iter()
@ -163,8 +163,8 @@ impl ChainItemKind {
} else {
vec![]
};
let span = mk_sp(receiver.span.hi(), expr.span.hi());
let kind = ChainItemKind::MethodCall(segment.clone(), types, expressions.clone());
let span = mk_sp(call.receiver.span.hi(), expr.span.hi());
let kind = ChainItemKind::MethodCall(call.seg.clone(), types, call.args.clone());
(kind, span)
}
ast::ExprKind::Field(ref nested, field) => {
@ -400,9 +400,7 @@ impl Chain {
// is a try! macro, we'll convert it to shorthand when the option is set.
fn pop_expr_chain(expr: &ast::Expr, context: &RewriteContext<'_>) -> Option<ast::Expr> {
match expr.kind {
ast::ExprKind::MethodCall(_, ref receiver, _, _) => {
Some(Self::convert_try(&receiver, context))
}
ast::ExprKind::MethodCall(ref call) => Some(Self::convert_try(&call.receiver, context)),
ast::ExprKind::Field(ref subexpr, _)
| ast::ExprKind::Try(ref subexpr)
| ast::ExprKind::Await(ref subexpr) => Some(Self::convert_try(subexpr, context)),

30
src/tools/rustfmt/src/closures.rs
View File

@ -326,16 +326,16 @@ pub(crate) fn rewrite_last_closure(
expr: &ast::Expr,
shape: Shape,
) -> Option<String> {
if let ast::ExprKind::Closure(
ref binder,
capture,
ref is_async,
movability,
ref fn_decl,
ref body,
_,
) = expr.kind
{
if let ast::ExprKind::Closure(ref closure) = expr.kind {
let ast::Closure {
ref binder,
capture_clause,
ref asyncness,
movability,
ref fn_decl,
ref body,
fn_decl_span: _,
} = **closure;
let body = match body.kind {
ast::ExprKind::Block(ref block, _)
if !is_unsafe_block(block)
@ -347,7 +347,15 @@ pub(crate) fn rewrite_last_closure(
_ => body,
};
let (prefix, extra_offset) = rewrite_closure_fn_decl(
binder, capture, is_async, movability, fn_decl, body, expr.span, context, shape,
binder,
capture_clause,
asyncness,
movability,
fn_decl,
body,
expr.span,
context,
shape,
)?;
// If the closure goes multi line before its body, do not overflow the closure.
if prefix.contains('\n') {

26
src/tools/rustfmt/src/expr.rs
View File

@ -116,7 +116,7 @@ pub(crate) fn format_expr(
rewrite_struct_lit(
context,
path,
qself.as_ref(),
qself,
fields,
rest,
&expr.attrs,
@ -169,7 +169,7 @@ pub(crate) fn format_expr(
rewrite_match(context, cond, arms, shape, expr.span, &expr.attrs)
}
ast::ExprKind::Path(ref qself, ref path) => {
rewrite_path(context, PathContext::Expr, qself.as_ref(), path, shape)
rewrite_path(context, PathContext::Expr, qself, path, shape)
}
ast::ExprKind::Assign(ref lhs, ref rhs, _) => {
rewrite_assignment(context, lhs, rhs, None, shape)
@ -203,16 +203,16 @@ pub(crate) fn format_expr(
Some("yield".to_string())
}
}
ast::ExprKind::Closure(
ref binder,
capture,
ref is_async,
movability,
ref fn_decl,
ref body,
_,
) => closures::rewrite_closure(
binder, capture, is_async, movability, fn_decl, body, expr.span, context, shape,
ast::ExprKind::Closure(ref cl) => closures::rewrite_closure(
&cl.binder,
cl.capture_clause,
&cl.asyncness,
cl.movability,
&cl.fn_decl,
&cl.body,
expr.span,
context,
shape,
),
ast::ExprKind::Try(..)
| ast::ExprKind::Field(..)
@ -1537,7 +1537,7 @@ fn struct_lit_can_be_aligned(fields: &[ast::ExprField], has_base: bool) -> bool
fn rewrite_struct_lit<'a>(
context: &RewriteContext<'_>,
path: &ast::Path,
qself: Option<&ast::QSelf>,
qself: &Option<ptr::P<ast::QSelf>>,
fields: &'a [ast::ExprField],
struct_rest: &ast::StructRest,
attrs: &[ast::Attribute],

9
src/tools/rustfmt/src/patterns.rs
View File

@ -227,11 +227,10 @@ impl Rewrite for Pat {
}
PatKind::Tuple(ref items) => rewrite_tuple_pat(items, None, self.span, context, shape),
PatKind::Path(ref q_self, ref path) => {
rewrite_path(context, PathContext::Expr, q_self.as_ref(), path, shape)
rewrite_path(context, PathContext::Expr, q_self, path, shape)
}
PatKind::TupleStruct(ref q_self, ref path, ref pat_vec) => {
let path_str =
rewrite_path(context, PathContext::Expr, q_self.as_ref(), path, shape)?;
let path_str = rewrite_path(context, PathContext::Expr, q_self, path, shape)?;
rewrite_tuple_pat(pat_vec, Some(path_str), self.span, context, shape)
}
PatKind::Lit(ref expr) => expr.rewrite(context, shape),
@ -271,7 +270,7 @@ impl Rewrite for Pat {
}
fn rewrite_struct_pat(
qself: &Option<ast::QSelf>,
qself: &Option<ptr::P<ast::QSelf>>,
path: &ast::Path,
fields: &[ast::PatField],
ellipsis: bool,
@ -281,7 +280,7 @@ fn rewrite_struct_pat(
) -> Option<String> {
// 2 = ` {`
let path_shape = shape.sub_width(2)?;
let path_str = rewrite_path(context, PathContext::Expr, qself.as_ref(), path, path_shape)?;
let path_str = rewrite_path(context, PathContext::Expr, qself, path, path_shape)?;
if fields.is_empty() && !ellipsis {
return Some(format!("{} {{}}", path_str));

8
src/tools/rustfmt/src/types.rs
View File

@ -38,11 +38,11 @@ pub(crate) enum PathContext {
pub(crate) fn rewrite_path(
context: &RewriteContext<'_>,
path_context: PathContext,
qself: Option<&ast::QSelf>,
qself: &Option<ptr::P<ast::QSelf>>,
path: &ast::Path,
shape: Shape,
) -> Option<String> {
let skip_count = qself.map_or(0, |x| x.position);
let skip_count = qself.as_ref().map_or(0, |x| x.position);
let mut result = if path.is_global() && qself.is_none() && path_context != PathContext::Import {
"::".to_owned()
@ -655,7 +655,7 @@ impl Rewrite for ast::PolyTraitRef {
impl Rewrite for ast::TraitRef {
fn rewrite(&self, context: &RewriteContext<'_>, shape: Shape) -> Option<String> {
rewrite_path(context, PathContext::Type, None, &self.path, shape)
rewrite_path(context, PathContext::Type, &None, &self.path, shape)
}
}
@ -800,7 +800,7 @@ impl Rewrite for ast::Ty {
rewrite_tuple(context, items.iter(), self.span, shape, items.len() == 1)
}
ast::TyKind::Path(ref q_self, ref path) => {
rewrite_path(context, PathContext::Type, q_self.as_ref(), path, shape)
rewrite_path(context, PathContext::Type, q_self, path, shape)
}
ast::TyKind::Array(ref ty, ref repeats) => rewrite_pair(
&**ty,

2
src/tools/rustfmt/src/utils.rs
View File

@ -479,9 +479,9 @@ pub(crate) fn is_block_expr(context: &RewriteContext<'_>, expr: &ast::Expr, repr
| ast::ExprKind::Binary(_, _, ref expr)
| ast::ExprKind::Index(_, ref expr)
| ast::ExprKind::Unary(_, ref expr)
| ast::ExprKind::Closure(_, _, _, _, _, ref expr, _)
| ast::ExprKind::Try(ref expr)
| ast::ExprKind::Yield(Some(ref expr)) => is_block_expr(context, expr, repr),
ast::ExprKind::Closure(ref closure) => is_block_expr(context, &closure.body, repr),
// This can only be a string lit
ast::ExprKind::Lit(_) => {
repr.contains('\n') && trimmed_last_line_width(repr) <= context.config.tab_spaces()