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24 lines
1 KiB
Rust
24 lines
1 KiB
Rust
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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use syntax::ast::MetaItem;
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use syntax::codemap::Span;
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use syntax::ext::base::{Annotatable, ExtCtxt};
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use syntax::ptr::P;
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pub fn expand_dom_struct(cx: &mut ExtCtxt, sp: Span, _: &MetaItem, anno: Annotatable) -> Annotatable {
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if let Annotatable::Item(item) = anno {
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let mut item2 = (*item).clone();
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item2.attrs.push(quote_attr!(cx, #[must_root]));
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item2.attrs.push(quote_attr!(cx, #[repr(C)]));
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item2.attrs.push(quote_attr!(cx, #[derive(JSTraceable)]));
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item2.attrs.push(quote_attr!(cx, #[derive(HeapSizeOf)]));
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item2.attrs.push(quote_attr!(cx, #[derive(DenyPublicFields)]));
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item2.attrs.push(quote_attr!(cx, #[derive(DomObject)]));
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Annotatable::Item(P(item2))
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} else {
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cx.span_err(sp, "#[dom_struct] applied to something other than a struct");
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anno
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}
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}
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