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Optimize match checking

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John Kåre Alsaker 2019-01-26 11:53:42 +01:00
parent 0c2bf6fe2a
commit 73b8f1d90c
1 changed files with 3 additions and 15 deletions
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18
src/librustc_mir/hair/pattern/check_match.rs
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@ -28,22 +28,10 @@ use syntax::ast;
use syntax::ptr::P;
use syntax_pos::{Span, DUMMY_SP, MultiSpan};
struct OuterVisitor<'a, 'tcx: 'a> { tcx: TyCtxt<'a, 'tcx, 'tcx> }
impl<'a, 'tcx> Visitor<'tcx> for OuterVisitor<'a, 'tcx> {
fn nested_visit_map<'this>(&'this mut self) -> NestedVisitorMap<'this, 'tcx> {
NestedVisitorMap::OnlyBodies(&self.tcx.hir())
}
fn visit_body(&mut self, body: &'tcx hir::Body) {
intravisit::walk_body(self, body);
let def_id = self.tcx.hir().body_owner_def_id(body.id());
let _ = self.tcx.check_match(def_id);
}
}
pub fn check_crate<'a, 'tcx>(tcx: TyCtxt<'a, 'tcx, 'tcx>) {
tcx.hir().krate().visit_all_item_likes(&mut OuterVisitor { tcx }.as_deep_visitor());
for def_id in tcx.body_owners() {
tcx.ensure().check_match(def_id);
}
tcx.sess.abort_if_errors();
}