diff --git a/src/librustc/metadata/decoder.rs b/src/librustc/metadata/decoder.rs index f352a28df6972e3b9690759c5b7720711993b61b..37e05ac8a7323882de14997474da88841266d706 100644 --- a/src/librustc/metadata/decoder.rs +++ b/src/librustc/metadata/decoder.rs @@ -681,14 +681,22 @@ pub fn get_enum_variants<'tcx>(intr: Rc, cdata: Cmd, id: ast::Nod let ctor_ty = item_type(ast::DefId { krate: cdata.cnum, node: id}, item, tcx, cdata); let name = item_name(&*intr, item); - let (ctor_ty, arg_tys) = match ctor_ty.sty { + let (ctor_ty, arg_tys, arg_names) = match ctor_ty.sty { ty::ty_bare_fn(ref f) => - (Some(ctor_ty), f.sig.inputs.clone()), - _ => // Nullary or struct enum variant. - (None, get_struct_fields(intr.clone(), cdata, did.node) + (Some(ctor_ty), f.sig.inputs.clone(), None), + _ => { // Nullary or struct enum variant. + let mut arg_names = Vec::new(); + let arg_tys = get_struct_fields(intr.clone(), cdata, did.node) .iter() - .map(|field_ty| get_type(cdata, field_ty.id.node, tcx).ty) - .collect()) + .map(|field_ty| { + arg_names.push(ast::Ident::new(field_ty.name)); + get_type(cdata, field_ty.id.node, tcx).ty + }) + .collect(); + let arg_names = if arg_names.len() == 0 { None } else { Some(arg_names) }; + + (None, arg_tys, arg_names) + } }; match variant_disr_val(item) { Some(val) => { disr_val = val; } @@ -698,7 +706,7 @@ pub fn get_enum_variants<'tcx>(intr: Rc, cdata: Cmd, id: ast::Nod disr_val += 1; Rc::new(ty::VariantInfo { args: arg_tys, - arg_names: None, + arg_names: arg_names, ctor_ty: ctor_ty, name: name, // I'm not even sure if we encode visibility diff --git a/src/test/auxiliary/issue-19340-1.rs b/src/test/auxiliary/issue-19340-1.rs new file mode 100644 index 0000000000000000000000000000000000000000..fc61b78d8a7eea983b004031246e47e04e68f5c5 --- /dev/null +++ b/src/test/auxiliary/issue-19340-1.rs @@ -0,0 +1,13 @@ +// Copyright 2014 The Rust Project Developers. See the COPYRIGHT +// file at the top-level directory of this distribution and at +// http://rust-lang.org/COPYRIGHT. +// +// Licensed under the Apache License, Version 2.0 or the MIT license +// , at your +// option. This file may not be copied, modified, or distributed +// except according to those terms. + +pub enum Homura { + Madoka { name: String }, +} diff --git a/src/test/run-pass/issue-19340-1.rs b/src/test/run-pass/issue-19340-1.rs new file mode 100644 index 0000000000000000000000000000000000000000..b7a6391ee04751cdb81221b501c8030ecccb8e7f --- /dev/null +++ b/src/test/run-pass/issue-19340-1.rs @@ -0,0 +1,23 @@ +// Copyright 2014 The Rust Project Developers. See the COPYRIGHT +// file at the top-level directory of this distribution and at +// http://rust-lang.org/COPYRIGHT. +// +// Licensed under the Apache License, Version 2.0 or the MIT license +// , at your +// option. This file may not be copied, modified, or distributed +// except according to those terms. + +// aux-build:issue-19340-1.rs + +extern crate "issue-19340-1" as lib; + +use lib::Homura; + +fn main() { + let homura = Homura::Madoka { name: "Kaname".into_string() }; + + match homura { + Homura::Madoka { name } => (), + }; +}