From d99efe84dfd8aedec08da42d34d140991b8991c7 Mon Sep 17 00:00:00 2001 From: David Renshaw Date: Wed, 4 Dec 2013 21:13:31 -0500 Subject: [PATCH] encode trait lifetime params in metadata to allow cross-crate usage --- src/librustc/metadata/encoder.rs | 2 ++ .../auxiliary/xcrate-trait-lifetime-param.rs | 13 ++++++++++ .../run-pass/xcrate-trait-lifetime-param.rs | 26 +++++++++++++++++++ 3 files changed, 41 insertions(+) create mode 100644 src/test/auxiliary/xcrate-trait-lifetime-param.rs create mode 100644 src/test/run-pass/xcrate-trait-lifetime-param.rs diff --git a/src/librustc/metadata/encoder.rs b/src/librustc/metadata/encoder.rs index e7bef48e5dd..e0f63a92987 100644 --- a/src/librustc/metadata/encoder.rs +++ b/src/librustc/metadata/encoder.rs @@ -1140,6 +1140,8 @@ fn encode_info_for_item(ecx: &EncodeContext, encode_ty_type_param_defs(ebml_w, ecx, trait_def.generics.type_param_defs, tag_items_data_item_ty_param_bounds); + encode_region_param_defs(ebml_w, ecx, + trait_def.generics.region_param_defs); encode_trait_ref(ebml_w, ecx, trait_def.trait_ref, tag_item_trait_ref); encode_name(ecx, ebml_w, item.ident); encode_attributes(ebml_w, item.attrs); diff --git a/src/test/auxiliary/xcrate-trait-lifetime-param.rs b/src/test/auxiliary/xcrate-trait-lifetime-param.rs new file mode 100644 index 00000000000..e8e5cc53aa3 --- /dev/null +++ b/src/test/auxiliary/xcrate-trait-lifetime-param.rs @@ -0,0 +1,13 @@ +// Copyright 2013 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 trait FromBuf<'a> { + fn from_buf(&'a [u8]) -> Self; +} diff --git a/src/test/run-pass/xcrate-trait-lifetime-param.rs b/src/test/run-pass/xcrate-trait-lifetime-param.rs new file mode 100644 index 00000000000..51ba05f1faf --- /dev/null +++ b/src/test/run-pass/xcrate-trait-lifetime-param.rs @@ -0,0 +1,26 @@ +// Copyright 2013 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. + +// xfail-fast +// aux-build:xcrate-trait-lifetime-param.rs + +extern mod other(name = "xcrate-trait-lifetime-param"); + +struct Reader<'a> { + b : &'a [u8] +} + +impl <'a> other::FromBuf<'a> for Reader<'a> { + fn from_buf(b : &'a [u8]) -> Reader<'a> { + Reader { b : b } + } +} + +pub fn main () {}