seg,
ParamMode::Optional,
ParenthesizedGenericArgs::Err,
- ImplTraitContext::Disallowed(ImplTraitPosition::Path),
+ &mut ImplTraitContext::Disallowed(ImplTraitPosition::Path),
));
- let args = self.arena.alloc_from_iter(
- [&*receiver].into_iter().chain(args.iter()).map(|x| self.lower_expr_mut(x)),
- );
- hir::ExprKind::MethodCall(hir_seg, args, self.lower_span(span))
+ let receiver = self.lower_expr(receiver);
+ let args =
+ self.arena.alloc_from_iter(args.iter().map(|x| self.lower_expr_mut(x)));
+ hir::ExprKind::MethodCall(hir_seg, receiver, args, self.lower_span(span))
}
ExprKind::Binary(binop, ref lhs, ref rhs) => {
let binop = self.lower_binop(binop);
}
ExprKind::Cast(ref expr, ref ty) => {
let expr = self.lower_expr(expr);
- let ty =
- self.lower_ty(ty, ImplTraitContext::Disallowed(ImplTraitPosition::Type));
+ let ty = self
+ .lower_ty(ty, &mut ImplTraitContext::Disallowed(ImplTraitPosition::Type));
hir::ExprKind::Cast(expr, ty)
}
ExprKind::Type(ref expr, ref ty) => {
let expr = self.lower_expr(expr);
- let ty =
- self.lower_ty(ty, ImplTraitContext::Disallowed(ImplTraitPosition::Type));
+ let ty = self
+ .lower_ty(ty, &mut ImplTraitContext::Disallowed(ImplTraitPosition::Type));
hir::ExprKind::Type(expr, ty)
}
ExprKind::AddrOf(k, m, ref ohs) => {
qself,
path,
ParamMode::Optional,
- ImplTraitContext::Disallowed(ImplTraitPosition::Path),
+ &mut ImplTraitContext::Disallowed(ImplTraitPosition::Path),
);
hir::ExprKind::Path(qpath)
}
&se.qself,
&se.path,
ParamMode::Optional,
- ImplTraitContext::Disallowed(ImplTraitPosition::Path),
+ &mut ImplTraitContext::Disallowed(ImplTraitPosition::Path),
)),
self.arena
.alloc_from_iter(se.fields.iter().map(|x| self.lower_expr_field(x))),
async_gen_kind: hir::AsyncGeneratorKind,
body: impl FnOnce(&mut Self) -> hir::Expr<'hir>,
) -> hir::ExprKind<'hir> {
- let output = match ret_ty {
- Some(ty) => hir::FnRetTy::Return(
- self.lower_ty(&ty, ImplTraitContext::Disallowed(ImplTraitPosition::AsyncBlock)),
- ),
- None => hir::FnRetTy::DefaultReturn(self.lower_span(span)),
- };
+ let output =
+ match ret_ty {
+ Some(ty) => hir::FnRetTy::Return(self.lower_ty(
+ &ty,
+ &mut ImplTraitContext::Disallowed(ImplTraitPosition::AsyncBlock),
+ )),
+ None => hir::FnRetTy::DefaultReturn(self.lower_span(span)),
+ };
// Resume argument type. We let the compiler infer this to simplify the lowering. It is
// fully constrained by `future::from_generator`.
let (pat, task_context_hid) = self.pat_ident_binding_mode(
span,
Ident::with_dummy_span(sym::_task_context),
- hir::BindingAnnotation::Mutable,
+ hir::BindingAnnotation::MUT,
);
let param = hir::Param {
hir_id: self.next_id(),
// this name to identify what is being awaited by a suspended async functions.
let awaitee_ident = Ident::with_dummy_span(sym::__awaitee);
let (awaitee_pat, awaitee_pat_hid) =
- self.pat_ident_binding_mode(span, awaitee_ident, hir::BindingAnnotation::Mutable);
+ self.pat_ident_binding_mode(span, awaitee_ident, hir::BindingAnnotation::MUT);
let task_context_ident = Ident::with_dummy_span(sym::_task_context);
(body_id, generator_option)
});
- let bound_generic_params = self.lower_lifetime_binder(closure_id, generic_params);
- // Lower outside new scope to preserve `is_in_loop_condition`.
- let fn_decl = self.lower_fn_decl(decl, None, FnDeclKind::Closure, None);
-
- let c = self.arena.alloc(hir::Closure {
- binder: binder_clause,
- capture_clause,
- bound_generic_params,
- fn_decl,
- body: body_id,
- fn_decl_span: self.lower_span(fn_decl_span),
- movability: generator_option,
- });
+ self.lower_lifetime_binder(closure_id, generic_params, |lctx, bound_generic_params| {
+ // Lower outside new scope to preserve `is_in_loop_condition`.
+ let fn_decl = lctx.lower_fn_decl(decl, None, fn_decl_span, FnDeclKind::Closure, None);
- hir::ExprKind::Closure(c)
+ let c = lctx.arena.alloc(hir::Closure {
+ binder: binder_clause,
+ capture_clause,
+ bound_generic_params,
+ fn_decl,
+ body: body_id,
+ fn_decl_span: lctx.lower_span(fn_decl_span),
+ movability: generator_option,
+ });
+
+ hir::ExprKind::Closure(c)
+ })
}
fn generator_movability_for_fn(
body_id
});
- let bound_generic_params = self.lower_lifetime_binder(closure_id, generic_params);
-
- // We need to lower the declaration outside the new scope, because we
- // have to conserve the state of being inside a loop condition for the
- // closure argument types.
- let fn_decl = self.lower_fn_decl(&outer_decl, None, FnDeclKind::Closure, None);
-
- let c = self.arena.alloc(hir::Closure {
- binder: binder_clause,
- capture_clause,
- bound_generic_params,
- fn_decl,
- body,
- fn_decl_span: self.lower_span(fn_decl_span),
- movability: None,
- });
- hir::ExprKind::Closure(c)
+ self.lower_lifetime_binder(closure_id, generic_params, |lctx, bound_generic_params| {
+ // We need to lower the declaration outside the new scope, because we
+ // have to conserve the state of being inside a loop condition for the
+ // closure argument types.
+ let fn_decl =
+ lctx.lower_fn_decl(&outer_decl, None, fn_decl_span, FnDeclKind::Closure, None);
+
+ let c = lctx.arena.alloc(hir::Closure {
+ binder: binder_clause,
+ capture_clause,
+ bound_generic_params,
+ fn_decl,
+ body,
+ fn_decl_span: lctx.lower_span(fn_decl_span),
+ movability: None,
+ });
+ hir::ExprKind::Closure(c)
+ })
}
/// Destructure the LHS of complex assignments.
qself,
path,
ParamMode::Optional,
- ImplTraitContext::Disallowed(ImplTraitPosition::Path),
+ &mut ImplTraitContext::Disallowed(ImplTraitPosition::Path),
);
// Destructure like a tuple struct.
- let tuple_struct_pat =
- hir::PatKind::TupleStruct(qpath, pats, rest.map(|r| r.0));
+ let tuple_struct_pat = hir::PatKind::TupleStruct(
+ qpath,
+ pats,
+ hir::DotDotPos::new(rest.map(|r| r.0)),
+ );
return self.pat_without_dbm(lhs.span, tuple_struct_pat);
}
}
qself,
path,
ParamMode::Optional,
- ImplTraitContext::Disallowed(ImplTraitPosition::Path),
+ &mut ImplTraitContext::Disallowed(ImplTraitPosition::Path),
);
// Destructure like a unit struct.
let unit_struct_pat = hir::PatKind::Path(qpath);
&se.qself,
&se.path,
ParamMode::Optional,
- ImplTraitContext::Disallowed(ImplTraitPosition::Path),
+ &mut ImplTraitContext::Disallowed(ImplTraitPosition::Path),
);
let fields_omitted = match &se.rest {
StructRest::Base(e) => {
ExprKind::Tup(elements) => {
let (pats, rest) =
self.destructure_sequence(elements, "tuple", eq_sign_span, assignments);
- let tuple_pat = hir::PatKind::Tuple(pats, rest.map(|r| r.0));
+ let tuple_pat = hir::PatKind::Tuple(pats, hir::DotDotPos::new(rest.map(|r| r.0)));
return self.pat_without_dbm(lhs.span, tuple_pat);
}
ExprKind::Paren(e) => {
// We special-case `(..)` for consistency with patterns.
if let ExprKind::Range(None, None, RangeLimits::HalfOpen) = e.kind {
- let tuple_pat = hir::PatKind::Tuple(&[], Some(0));
+ let tuple_pat = hir::PatKind::Tuple(&[], hir::DotDotPos::new(Some(0)));
return self.pat_without_dbm(lhs.span, tuple_pat);
} else {
return self.destructure_assign_mut(e, eq_sign_span, assignments);
// `mut iter`
let iter = Ident::with_dummy_span(sym::iter);
let (iter_pat, iter_pat_nid) =
- self.pat_ident_binding_mode(head_span, iter, hir::BindingAnnotation::Mutable);
+ self.pat_ident_binding_mode(head_span, iter, hir::BindingAnnotation::MUT);
// `match Iterator::next(&mut iter) { ... }`
let match_expr = {
binding: hir::HirId,
attrs: AttrVec,
) -> hir::Expr<'hir> {
+ let hir_id = self.next_id();
+ let res = Res::Local(binding);
let expr_path = hir::ExprKind::Path(hir::QPath::Resolved(
None,
self.arena.alloc(hir::Path {
span: self.lower_span(span),
- res: Res::Local(binding),
- segments: arena_vec![self; hir::PathSegment::from_ident(ident)],
+ res,
+ segments: arena_vec![self; hir::PathSegment::new(ident, hir_id, res)],
}),
));
projects / rust.git / blobdiff