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save-analysis: record info for the types in where clauses #53838

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Merged
merged 1 commit into from
Sep 3, 2018
Merged

save-analysis: record info for the types in where clauses #53838

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29 changes: 18 additions & 11 deletions src/librustc_save_analysis/dump_visitor.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -1362,6 +1362,14 @@ impl<'l, 'tcx: 'l, 'll, O: DumpOutput + 'll> DumpVisitor<'l, 'tcx, 'll, O> {
}
}
}

fn process_bounds(&mut self, bounds: &'l ast::GenericBounds) {
for bound in bounds {
if let ast::GenericBound::Trait(ref trait_ref, _) = *bound {
self.process_path(trait_ref.trait_ref.ref_id, &trait_ref.trait_ref.path)
}
}
}
}

impl<'l, 'tcx: 'l, 'll, O: DumpOutput + 'll> Visitor<'l> for DumpVisitor<'l, 'tcx, 'll, O> {
Expand Down Expand Up @@ -1527,20 +1535,19 @@ impl<'l, 'tcx: 'l, 'll, O: DumpOutput + 'll> Visitor<'l> for DumpVisitor<'l, 'tc

fn visit_generics(&mut self, generics: &'l ast::Generics) {
for param in &generics.params {
match param.kind {
ast::GenericParamKind::Lifetime { .. } => {}
ast::GenericParamKind::Type { ref default, .. } => {
for bound in &param.bounds {
if let ast::GenericBound::Trait(ref trait_ref, _) = *bound {
self.process_path(trait_ref.trait_ref.ref_id, &trait_ref.trait_ref.path)
}
}
if let Some(ref ty) = default {
self.visit_ty(&ty);
}
if let ast::GenericParamKind::Type { ref default, .. } = param.kind {
self.process_bounds(&param.bounds);
if let Some(ref ty) = default {
self.visit_ty(&ty);
}
}
}
for pred in &generics.where_clause.predicates {
if let ast::WherePredicate::BoundPredicate(ref wbp) = *pred {
self.process_bounds(&wbp.bounds);
self.visit_ty(&wbp.bounded_ty);
}
}
}

fn visit_ty(&mut self, t: &'l ast::Ty) {
Expand Down