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save-analysis: only index path references once

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This commit is contained in:
Nick Cameron 2017-03-08 16:30:31 +13:00
parent 5309a3e31d
commit 4143d409ee
1 changed files with 2 additions and 9 deletions
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11
src/librustc_save_analysis/dump_visitor.rs
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@ -1401,15 +1401,6 @@ impl<'l, 'tcx: 'l, 'll, D: Dump +'ll> Visitor<'l> for DumpVisitor<'l, 'tcx, 'll,
debug!("visit_expr {:?}", ex.node);
self.process_macro_use(ex.span, ex.id);
match ex.node {
ast::ExprKind::Call(ref _f, ref _args) => {
// Don't need to do anything for function calls,
// because just walking the callee path does what we want.
visit::walk_expr(self, ex);
}
ast::ExprKind::Path(_, ref path) => {
self.process_path(ex.id, path, None);
visit::walk_expr(self, ex);
}
ast::ExprKind::Struct(ref path, ref fields, ref base) => {
let hir_expr = self.save_ctxt.tcx.hir.expect_expr(ex.id);
let adt = match self.save_ctxt.tables.expr_ty_opt(&hir_expr) {
@ -1507,6 +1498,8 @@ impl<'l, 'tcx: 'l, 'll, D: Dump +'ll> Visitor<'l> for DumpVisitor<'l, 'tcx, 'll,
self.visit_expr(element);
self.nest_tables(count.id, |v| v.visit_expr(count));
}
// In particular, we take this branch for call and path expressions,
// where we'll index the idents involved just by continuing to walk.
_ => {
visit::walk_expr(self, ex)
}