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use opt_item_name to pattern match items with names

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Signed-off-by: Miguel Guarniz <mi9uel9@gmail.com>
This commit is contained in:
Miguel Guarniz 2022-05-12 14:03:21 -04:00
parent 959636d531
commit f77658b470
2 changed files with 3 additions and 3 deletions
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2
compiler/rustc_middle/src/ty/mod.rs
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@ -1995,7 +1995,7 @@ impl<'tcx> TyCtxt<'tcx> {
} }
/// Look up the name of a definition across crates. This does not look at HIR. /// Look up the name of a definition across crates. This does not look at HIR.
fn opt_item_name(self, def_id: DefId) -> Option<Symbol> { pub fn opt_item_name(self, def_id: DefId) -> Option<Symbol> {
if let Some(cnum) = def_id.as_crate_root() { if let Some(cnum) = def_id.as_crate_root() {
Some(self.crate_name(cnum)) Some(self.crate_name(cnum))
} else { } else {

4
compiler/rustc_passes/src/entry.rs
View File

@ -58,8 +58,8 @@ fn entry_point_type(ctxt: &EntryContext<'_>, id: ItemId, at_root: bool) -> Entry
} else if ctxt.tcx.sess.contains_name(attrs, sym::rustc_main) { } else if ctxt.tcx.sess.contains_name(attrs, sym::rustc_main) {
EntryPointType::MainAttr EntryPointType::MainAttr
} else { } else {
let item = ctxt.tcx.hir().item(id); if let Some(name) = ctxt.tcx.opt_item_name(id.def_id.to_def_id())
if item.ident.name == sym::main { && name == sym::main {
if at_root { if at_root {
// This is a top-level function so can be `main`. // This is a top-level function so can be `main`.
EntryPointType::MainNamed EntryPointType::MainNamed