From c82e1f2d0e0b7fec9265eac851b2ac8b500ec4cc Mon Sep 17 00:00:00 2001 From: Esteban Küber Date: Thu, 18 Jul 2019 18:36:19 -0700 Subject: Point at type ascription before macro invocation on expansion parse error --- src/libsyntax/ext/tt/macro_rules.rs | 1 + 1 file changed, 1 insertion(+) (limited to 'src/libsyntax/ext/tt') diff --git a/src/libsyntax/ext/tt/macro_rules.rs b/src/libsyntax/ext/tt/macro_rules.rs index 2a2df76d30c..7d72a18ca3f 100644 --- a/src/libsyntax/ext/tt/macro_rules.rs +++ b/src/libsyntax/ext/tt/macro_rules.rs @@ -173,6 +173,7 @@ fn generic_extension<'cx>( let mut p = Parser::new(cx.parse_sess(), tts, Some(directory), true, false, None); p.root_module_name = cx.current_expansion.module.mod_path.last().map(|id| id.as_str().to_string()); + p.last_type_ascription = cx.current_expansion.prior_type_ascription; p.process_potential_macro_variable(); // Let the context choose how to interpret the result. -- cgit 1.4.1-3-g733a5