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Fix deprecated plugin APIs
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parent
a0fccea670
commit
8394b82350
3 changed files with 53 additions and 47 deletions
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@ -2,45 +2,46 @@
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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::ext::base::ExtCtxt;
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use syntax::ext::base::{Annotatable, ExtCtxt};
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use syntax::codemap::Span;
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use syntax::ptr::P;
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use syntax::ast::{Item, MetaItem};
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use syntax::ast::MetaItem;
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use syntax::ast;
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use utils::match_ty_unwrap;
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pub fn expand_reflector(cx: &mut ExtCtxt, span: Span, _: &MetaItem, item: &Item, push: &mut FnMut(P<Item>) -> ()) {
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if let ast::ItemStruct(ref def, _) = item.node {
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let struct_name = item.ident;
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// This path has to be hardcoded, unfortunately, since we can't resolve paths at expansion time
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match def.fields.iter().find(|f| match_ty_unwrap(&*f.node.ty, &["dom", "bindings", "utils", "Reflector"]).is_some()) {
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// If it has a field that is a Reflector, use that
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Some(f) => {
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let field_name = f.node.ident();
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let impl_item = quote_item!(cx,
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impl ::dom::bindings::utils::Reflectable for $struct_name {
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fn reflector<'a>(&'a self) -> &'a ::dom::bindings::utils::Reflector {
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&self.$field_name
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pub fn expand_reflector(cx: &mut ExtCtxt, span: Span, _: &MetaItem, annotatable: Annotatable, push: &mut FnMut(Annotatable)) {
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if let Annotatable::Item(item) = annotatable {
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if let ast::ItemStruct(ref def, _) = item.node {
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let struct_name = item.ident;
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// This path has to be hardcoded, unfortunately, since we can't resolve paths at expansion time
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match def.fields.iter().find(|f| match_ty_unwrap(&*f.node.ty, &["dom", "bindings", "utils", "Reflector"]).is_some()) {
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// If it has a field that is a Reflector, use that
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Some(f) => {
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let field_name = f.node.ident();
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let impl_item = quote_item!(cx,
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impl ::dom::bindings::utils::Reflectable for $struct_name {
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fn reflector<'a>(&'a self) -> &'a ::dom::bindings::utils::Reflector {
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&self.$field_name
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}
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}
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}
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);
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impl_item.map(|it| push(it))
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},
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// Or just call it on the first field (supertype).
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None => {
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let field_name = def.fields[0].node.ident();
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let impl_item = quote_item!(cx,
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impl ::dom::bindings::utils::Reflectable for $struct_name {
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fn reflector<'a>(&'a self) -> &'a ::dom::bindings::utils::Reflector {
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self.$field_name.reflector()
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);
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impl_item.map(|it| push(Annotatable::Item(it)))
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},
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// Or just call it on the first field (supertype).
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None => {
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let field_name = def.fields[0].node.ident();
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let impl_item = quote_item!(cx,
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impl ::dom::bindings::utils::Reflectable for $struct_name {
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fn reflector<'a>(&'a self) -> &'a ::dom::bindings::utils::Reflector {
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self.$field_name.reflector()
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}
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}
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}
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);
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impl_item.map(|it| push(it))
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}
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};
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} else {
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cx.span_err(span, "#[dom_struct] seems to have been applied to a non-struct");
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);
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impl_item.map(|it| push(Annotatable::Item(it)))
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}
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};
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} else {
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cx.span_err(span, "#[dom_struct] seems to have been applied to a non-struct");
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}
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}
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}
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