parser: Ensure that all nonterminals have tokens after parsing

2021-05-06 16:21:40 +03:00
parent 9a576175cc
commit cbdfa1edca
8 changed files with 612 additions and 31 deletions
--- a/compiler/rustc_ast/src/ast_like.rs
+++ b/compiler/rustc_ast/src/ast_like.rs
@@ -82,7 +82,8 @@ impl AstLike for crate::token::Nonterminal {
            Nonterminal::NtMeta(attr_item) => attr_item.tokens_mut(),
            Nonterminal::NtPath(path) => path.tokens_mut(),
            Nonterminal::NtVis(vis) => vis.tokens_mut(),
-            _ => panic!("Called tokens_mut on {:?}", self),
+            Nonterminal::NtBlock(block) => block.tokens_mut(),
+            Nonterminal::NtIdent(..) | Nonterminal::NtLifetime(..) | Nonterminal::NtTT(..) => None,
        }
    }
 }