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// 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 <LICENSE-APACHE or
// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
// option. This file may not be copied, modified, or distributed
// except according to those terms.
use ast::{MetaItem, Item};
use codemap::Span;
use ext::base::ExtCtxt;
use ext::deriving::generic::*;
use ext::deriving::generic::ty::*;
use ptr::P;
pub fn expand_deriving_unsafe_bound<F>(cx: &mut ExtCtxt,
span: Span,
_: &MetaItem,
_: &Item,
_: F) where
F: FnOnce(P<Item>),
{
cx.span_err(span, "this unsafe trait should be implemented explicitly");
}
pub fn expand_deriving_copy<F>(cx: &mut ExtCtxt,
span: Span,
mitem: &MetaItem,
item: &Item,
push: F) where
F: FnOnce(P<Item>),
{
let path = Path::new(vec![
if cx.use_std { "std" } else { "core" },
"marker",
"Copy",
]);
let trait_def = TraitDef {
span: span,
attributes: Vec::new(),
path: path,
additional_bounds: Vec::new(),
generics: LifetimeBounds::empty(),
methods: Vec::new(),
associated_types: Vec::new(),
};
trait_def.expand(cx, mitem, item, push)
}
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