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Merge repeated definitions #66252

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merged 8 commits into from
Nov 11, 2019
Merged

Merge repeated definitions #66252

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ed640c6
Merge hir::Mutability into ast::Mutability.
cjgillot Nov 9, 2019
1f21c08
Merge hir::Constness into ast::Constness.
cjgillot Nov 9, 2019
f03cbc3
Merge hir::Unsafety into ast::Unsafety.
cjgillot Nov 9, 2019
5b30da1
Merge hir::GeneratorMovability into ast::Movability.
cjgillot Nov 9, 2019
cb233f5
Merge hir::CaptureClause into ast::CaptureBy.
cjgillot Nov 9, 2019
738faad
Merge hir::IsAuto into ast::IsAuto.
cjgillot Nov 9, 2019
daff3e3
Merge hir::ImplPolarity into ast::ImplPolarity.
cjgillot Nov 9, 2019
76128f8
Fix tidy.
cjgillot Nov 9, 2019
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13 changes: 3 additions & 10 deletions src/librustc/hir/lowering.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -1213,7 +1213,7 @@ impl<'a> LoweringContext<'a> {
&NodeMap::default(),
ImplTraitContext::disallowed(),
),
unsafety: this.lower_unsafety(f.unsafety),
unsafety: f.unsafety,
abi: this.lower_abi(f.abi),
decl: this.lower_fn_decl(&f.decl, None, false, None),
param_names: this.lower_fn_params_to_names(&f.decl),
Expand Down Expand Up @@ -2077,13 +2077,6 @@ impl<'a> LoweringContext<'a> {
}, ids)
}

fn lower_mutability(&mut self, m: Mutability) -> hir::Mutability {
match m {
Mutability::Mutable => hir::MutMutable,
Mutability::Immutable => hir::MutImmutable,
}
}

fn lower_fn_params_to_names(&mut self, decl: &FnDecl) -> hir::HirVec<Ident> {
// Skip the `...` (`CVarArgs`) trailing arguments from the AST,
// as they are not explicit in HIR/Ty function signatures.
Expand Down Expand Up @@ -2653,7 +2646,7 @@ impl<'a> LoweringContext<'a> {
fn lower_mt(&mut self, mt: &MutTy, itctx: ImplTraitContext<'_>) -> hir::MutTy {
hir::MutTy {
ty: self.lower_ty(&mt.ty, itctx),
mutbl: self.lower_mutability(mt.mutbl),
mutbl: mt.mutbl,
}
}

Expand Down Expand Up @@ -2754,7 +2747,7 @@ impl<'a> LoweringContext<'a> {
}
PatKind::Box(ref inner) => hir::PatKind::Box(self.lower_pat(inner)),
PatKind::Ref(ref inner, mutbl) => {
hir::PatKind::Ref(self.lower_pat(inner), self.lower_mutability(mutbl))
hir::PatKind::Ref(self.lower_pat(inner), mutbl)
}
PatKind::Range(ref e1, ref e2, Spanned { node: ref end, .. }) => hir::PatKind::Range(
P(self.lower_expr(e1)),
Expand Down
23 changes: 5 additions & 18 deletions src/librustc/hir/lowering/expr.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -64,7 +64,6 @@ impl LoweringContext<'_> {
hir::ExprKind::Type(expr, self.lower_ty(ty, ImplTraitContext::disallowed()))
}
ExprKind::AddrOf(m, ref ohs) => {
let m = self.lower_mutability(m);
let ohs = P(self.lower_expr(ohs));
hir::ExprKind::AddrOf(m, ohs)
}
Expand Down Expand Up @@ -474,7 +473,6 @@ impl LoweringContext<'_> {
async_gen_kind: hir::AsyncGeneratorKind,
body: impl FnOnce(&mut LoweringContext<'_>) -> hir::Expr,
) -> hir::ExprKind {
let capture_clause = self.lower_capture_clause(capture_clause);
let output = match ret_ty {
Some(ty) => FunctionRetTy::Ty(ty),
None => FunctionRetTy::Default(span),
Expand All @@ -495,7 +493,7 @@ impl LoweringContext<'_> {
decl,
body_id,
span,
Some(hir::GeneratorMovability::Static)
Some(hir::Movability::Static)
);
let generator = hir::Expr {
hir_id: self.lower_node_id(closure_node_id),
Expand Down Expand Up @@ -701,7 +699,6 @@ impl LoweringContext<'_> {
generator_kind,
movability,
);
let capture_clause = this.lower_capture_clause(capture_clause);
this.current_item = prev;
hir::ExprKind::Closure(
capture_clause,
Expand All @@ -713,20 +710,13 @@ impl LoweringContext<'_> {
})
}

fn lower_capture_clause(&mut self, c: CaptureBy) -> hir::CaptureClause {
match c {
CaptureBy::Value => hir::CaptureByValue,
CaptureBy::Ref => hir::CaptureByRef,
}
}

fn generator_movability_for_fn(
&mut self,
decl: &FnDecl,
fn_decl_span: Span,
generator_kind: Option<hir::GeneratorKind>,
movability: Movability,
) -> Option<hir::GeneratorMovability> {
) -> Option<hir::Movability> {
match generator_kind {
Some(hir::GeneratorKind::Gen) => {
if !decl.inputs.is_empty() {
Expand All @@ -737,10 +727,7 @@ impl LoweringContext<'_> {
"generators cannot have explicit parameters"
);
}
Some(match movability {
Movability::Movable => hir::GeneratorMovability::Movable,
Movability::Static => hir::GeneratorMovability::Static,
})
Some(movability)
},
Some(hir::GeneratorKind::Async(_)) => {
bug!("non-`async` closure body turned `async` during lowering");
Expand Down Expand Up @@ -811,7 +798,7 @@ impl LoweringContext<'_> {
this.expr(fn_decl_span, async_body, ThinVec::new())
});
hir::ExprKind::Closure(
this.lower_capture_clause(capture_clause),
capture_clause,
fn_decl,
body_id,
fn_decl_span,
Expand Down Expand Up @@ -1350,7 +1337,7 @@ impl LoweringContext<'_> {
}

fn expr_mut_addr_of(&mut self, span: Span, e: P<hir::Expr>) -> hir::Expr {
self.expr(span, hir::ExprKind::AddrOf(hir::MutMutable, e), ThinVec::new())
self.expr(span, hir::ExprKind::AddrOf(hir::Mutability::Mutable, e), ThinVec::new())
}

fn expr_unit(&mut self, sp: Span) -> hir::Expr {
Expand Down
46 changes: 9 additions & 37 deletions src/librustc/hir/lowering/item.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -19,7 +19,7 @@ use smallvec::SmallVec;
use syntax::attr;
use syntax::ast::*;
use syntax::visit::{self, Visitor};
use syntax::source_map::{respan, DesugaringKind, Spanned};
use syntax::source_map::{respan, DesugaringKind};
use syntax::symbol::{kw, sym};
use syntax_pos::Span;

Expand Down Expand Up @@ -289,7 +289,7 @@ impl LoweringContext<'_> {
ImplTraitContext::Disallowed(ImplTraitPosition::Binding)
}
),
self.lower_mutability(m),
m,
self.lower_const_body(e),
)
}
Expand Down Expand Up @@ -433,8 +433,8 @@ impl LoweringContext<'_> {
);

hir::ItemKind::Impl(
self.lower_unsafety(unsafety),
self.lower_impl_polarity(polarity),
unsafety,
polarity,
self.lower_defaultness(defaultness, true /* [1] */),
generics,
trait_ref,
Expand All @@ -449,8 +449,8 @@ impl LoweringContext<'_> {
.map(|item| self.lower_trait_item_ref(item))
.collect();
hir::ItemKind::Trait(
self.lower_is_auto(is_auto),
self.lower_unsafety(unsafety),
is_auto,
unsafety,
self.lower_generics(generics, ImplTraitContext::disallowed()),
bounds,
items,
Expand Down Expand Up @@ -719,7 +719,7 @@ impl LoweringContext<'_> {
}
ForeignItemKind::Static(ref t, m) => {
hir::ForeignItemKind::Static(
self.lower_ty(t, ImplTraitContext::disallowed()), self.lower_mutability(m))
self.lower_ty(t, ImplTraitContext::disallowed()), m)
}
ForeignItemKind::Ty => hir::ForeignItemKind::Type,
ForeignItemKind::Macro(_) => panic!("macro shouldn't exist here"),
Expand Down Expand Up @@ -1011,13 +1011,6 @@ impl LoweringContext<'_> {
}
}

fn lower_impl_polarity(&mut self, i: ImplPolarity) -> hir::ImplPolarity {
match i {
ImplPolarity::Positive => hir::ImplPolarity::Positive,
ImplPolarity::Negative => hir::ImplPolarity::Negative,
}
}

fn record_body(&mut self, params: HirVec<hir::Param>, value: hir::Expr) -> hir::BodyId {
let body = hir::Body {
generator_kind: self.generator_kind,
Expand Down Expand Up @@ -1275,18 +1268,11 @@ impl LoweringContext<'_> {
(generics, hir::FnSig { header, decl })
}

fn lower_is_auto(&mut self, a: IsAuto) -> hir::IsAuto {
match a {
IsAuto::Yes => hir::IsAuto::Yes,
IsAuto::No => hir::IsAuto::No,
}
}

fn lower_fn_header(&mut self, h: FnHeader) -> hir::FnHeader {
hir::FnHeader {
unsafety: self.lower_unsafety(h.unsafety),
unsafety: h.unsafety,
asyncness: self.lower_asyncness(h.asyncness.node),
constness: self.lower_constness(h.constness),
constness: h.constness.node,
abi: self.lower_abi(h.abi),
}
}
Expand All @@ -1311,20 +1297,6 @@ impl LoweringContext<'_> {
.emit();
}

pub(super) fn lower_unsafety(&mut self, u: Unsafety) -> hir::Unsafety {
match u {
Unsafety::Unsafe => hir::Unsafety::Unsafe,
Unsafety::Normal => hir::Unsafety::Normal,
}
}

fn lower_constness(&mut self, c: Spanned<Constness>) -> hir::Constness {
match c.node {
Constness::Const => hir::Constness::Const,
Constness::NotConst => hir::Constness::NotConst,
}
}

fn lower_asyncness(&mut self, a: IsAsync) -> hir::IsAsync {
match a {
IsAsync::Async { .. } => hir::IsAsync::Async,
Expand Down
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