nordic-dev.net/rust
nordic-dev.net/rust
2
0
Fork 0
mirror of https://github.com/rust-lang/rust.git synced 2025-02-03 02:23:20 +00:00
Code Issues Packages Projects Releases Wiki Activity

bodge

Browse Source
This commit is contained in:
Bastian Kauschke 2020-10-05 01:27:10 +02:00
parent a5d2db4a58
commit f865e3d22f
3 changed files with 44 additions and 9 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

19
compiler/rustc_ast_lowering/src/lib.rs
View File

@ -538,9 +538,10 @@ impl<'a, 'hir> LoweringContext<'a, 'hir> {
}
self.visit_fn_ret_ty(&f.decl.output)
}
TyKind::ImplTrait(_, ref bounds) => {
self.with_hir_id_owner(None, |this| {
walk_list!(this, visit_param_bound, bounds);
TyKind::ImplTrait(def_node_id, _) => {
self.lctx.allocate_hir_id_counter(def_node_id);
self.with_hir_id_owner(Some(def_node_id), |this| {
visit::walk_ty(this, t);
});
}
_ => visit::walk_ty(self, t),
@ -1351,10 +1352,14 @@ impl<'a, 'hir> LoweringContext<'a, 'hir> {
// Add a definition for the in-band `Param`.
let def_id = self.resolver.local_def_id(def_node_id);
let hir_bounds = self.lower_param_bounds(
bounds,
ImplTraitContext::Universal(in_band_ty_params),
);
self.allocate_hir_id_counter(def_node_id);
let hir_bounds = self.with_hir_id_owner(def_node_id, |this| {
this.lower_param_bounds(
bounds,
ImplTraitContext::Universal(in_band_ty_params),
)
});
// Set the name to `impl Bound1 + Bound2`.
let ident = Ident::from_str_and_span(&pprust::ty_to_string(t), span);
in_band_ty_params.push(hir::GenericParam {

22
compiler/rustc_middle/src/hir/map/collector.rs
View File

@ -360,8 +360,26 @@ impl<'a, 'hir> Visitor<'hir> for NodeCollector<'a, 'hir> {
}
fn visit_generic_param(&mut self, param: &'hir GenericParam<'hir>) {
self.insert(param.span, param.hir_id, Node::GenericParam(param));
intravisit::walk_generic_param(self, param);
if let hir::GenericParamKind::Type {
synthetic: Some(hir::SyntheticTyParamKind::ImplTrait),
..
} = param.kind
{
debug_assert_eq!(
param.hir_id.owner,
self.definitions.opt_hir_id_to_local_def_id(param.hir_id).unwrap()
);
self.with_dep_node_owner(param.hir_id.owner, param, |this, hash| {
this.insert_with_hash(param.span, param.hir_id, Node::GenericParam(param), hash);
this.with_parent(param.hir_id, |this| {
intravisit::walk_generic_param(this, param);
});
});
} else {
self.insert(param.span, param.hir_id, Node::GenericParam(param));
intravisit::walk_generic_param(self, param);
}
}
fn visit_trait_item(&mut self, ti: &'hir TraitItem<'hir>) {

12
compiler/rustc_passes/src/hir_id_validator.rs
View File

@ -163,4 +163,16 @@ impl<'a, 'hir> intravisit::Visitor<'hir> for HirIdValidator<'a, 'hir> {
// we are currently in. So for those it's correct that they have a
// different owner.
}
fn visit_generic_param(&mut self, param: &'hir hir::GenericParam<'hir>) {
if let hir::GenericParamKind::Type {
synthetic: Some(hir::SyntheticTyParamKind::ImplTrait),
..
} = param.kind
{
// Do nothing because bodging is fun.
} else {
intravisit::walk_generic_param(self, param);
}
}
}