bjoernager/rust
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Add visit_projection_elem method to visitors

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This commit is contained in:
Santiago Pastorino 2019-10-02 18:03:23 -03:00
parent f2023ac599
commit a8d70d1b4a
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GPG key ID: 88C941CDA1D46432
1 changed files with 35 additions and 18 deletions
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53
src/librustc/mir/visit.rs
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@ -166,6 +166,15 @@ macro_rules! make_mir_visitor {
self.super_projection(base, projection, context, location);
}
fn visit_projection_elem(&mut self,
base: & $($mutability)? PlaceBase<'tcx>,
proj_base: & $($mutability)? [PlaceElem<'tcx>],
elem: & $($mutability)? PlaceElem<'tcx>,
context: PlaceContext,
location: Location) {
self.super_projection_elem(base, proj_base, elem, context, location);
}
fn visit_constant(&mut self,
constant: & $($mutability)? Constant<'tcx>,
location: Location) {
@ -727,25 +736,33 @@ macro_rules! make_mir_visitor {
location: Location) {
if let [proj_base @ .., elem] = projection {
self.visit_projection(base, proj_base, context, location);
self.visit_projection_elem(base, proj_base, elem, context, location);
}
}
match elem {
ProjectionElem::Field(_field, ty) => {
self.visit_ty(ty, TyContext::Location(location));
}
ProjectionElem::Index(local) => {
self.visit_local(
local,
PlaceContext::NonMutatingUse(NonMutatingUseContext::Copy),
location
);
}
ProjectionElem::Deref |
ProjectionElem::Subslice { from: _, to: _ } |
ProjectionElem::ConstantIndex { offset: _,
min_length: _,
from_end: _ } |
ProjectionElem::Downcast(_, _) => {
}
fn super_projection_elem(&mut self,
_base: & $($mutability)? PlaceBase<'tcx>,
_proj_base: & $($mutability)? [PlaceElem<'tcx>],
elem: & $($mutability)? PlaceElem<'tcx>,
_context: PlaceContext,
location: Location) {
match elem {
ProjectionElem::Field(_field, ty) => {
self.visit_ty(ty, TyContext::Location(location));
}
ProjectionElem::Index(local) => {
self.visit_local(
local,
PlaceContext::NonMutatingUse(NonMutatingUseContext::Copy),
location
);
}
ProjectionElem::Deref |
ProjectionElem::Subslice { from: _, to: _ } |
ProjectionElem::ConstantIndex { offset: _,
min_length: _,
from_end: _ } |
ProjectionElem::Downcast(_, _) => {
}
}
}