macro_rules: Preserve all metavariable spans in a global side table

2023-12-26 16:30:31 +03:00
parent 23a3d777c8
commit 9f8d05f29f
29 changed files with 239 additions and 132 deletions
--- a/compiler/rustc_expand/src/lib.rs
+++ b/compiler/rustc_expand/src/lib.rs
@@ -6,6 +6,7 @@
 #![feature(if_let_guard)]
 #![feature(let_chains)]
 #![feature(macro_metavar_expr)]
+#![feature(map_try_insert)]
 #![feature(proc_macro_diagnostic)]
 #![feature(proc_macro_internals)]
 #![feature(proc_macro_span)]