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Add documentation to plugins crate

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This commit is contained in:
Manish Goregaokar 2014-11-06 00:46:12 +05:30
parent 026b5e34ea
commit 6c9ee378f5
4 changed files with 44 additions and 8 deletions
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4
components/plugins/jstraceable.rs
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@ -20,6 +20,9 @@ pub fn expand_dom_struct(_: &mut ExtCtxt, _: Span, _: &MetaItem, item: P<Item>)
P(item2)
}
/// Provides the hook to expand `#[jstraceable]` into an implementation of `JSTraceable`
///
/// The expansion basically calls `trace()` on all of the fields of the struct/enum, erroring if they do not implement the method.
pub fn expand_jstraceable(cx: &mut ExtCtxt, span: Span, mitem: &MetaItem, item: &Item, push: |P<Item>|) {
let trait_def = TraitDef {
span: span,
@ -45,6 +48,7 @@ pub fn expand_jstraceable(cx: &mut ExtCtxt, span: Span, mitem: &MetaItem, item:
}
// Mostly copied from syntax::ext::deriving::hash
/// Defines how the implementation for `trace()` is to be generated
fn jstraceable_substructure(cx: &mut ExtCtxt, trait_span: Span, substr: &Substructure) -> P<Expr> {
let state_expr = match substr.nonself_args {
[ref state_expr] => state_expr,