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Allow renaming exported functions into JS (#525)

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Support the `js_name` attribute on exports as well as imports to allow exporting
types as camelCase instead of snake_case, for example.

Closes #221
This commit is contained in:
Alex Crichton
2018-07-20 12:01:28 -05:00
committed by GitHub
parent 61ef250dca
commit 9753f9150b
6 changed files with 103 additions and 6 deletions
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13
crates/macro/src/parser.rs
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@ -477,10 +477,10 @@ impl ConvertToAst<BindgenAttrs> for syn::ForeignItemStatic {
}
}
impl ConvertToAst<()> for syn::ItemFn {
impl ConvertToAst<BindgenAttrs> for syn::ItemFn {
type Target = ast::Function;
fn convert(self, (): ()) -> Self::Target {
fn convert(self, attrs: BindgenAttrs) -> Self::Target {
match self.vis {
syn::Visibility::Public(_) => {}
_ => panic!("can only bindgen public functions"),
@ -492,7 +492,8 @@ impl ConvertToAst<()> for syn::ItemFn {
panic!("can only bindgen safe functions");
}
function_from_decl(&self.ident, self.decl, self.attrs, self.vis, false).0
let name = attrs.js_name().unwrap_or(&self.ident);
function_from_decl(name, self.decl, self.attrs, self.vis, false).0
}
}
@ -584,8 +585,9 @@ impl<'a> MacroParse<(Option<BindgenAttrs>, &'a mut TokenStream)> for syn::Item {
class: None,
method_self: None,
constructor: None,
function: f.convert(()),
comments,
rust_name: f.ident.clone(),
function: f.convert(opts.unwrap_or_default()),
});
}
syn::Item::Struct(mut s) => {
@ -677,7 +679,7 @@ impl<'a, 'b> MacroParse<()> for (&'a Ident, &'b mut syn::ImplItem) {
};
let (function, method_self) = function_from_decl(
&method.sig.ident,
opts.js_name().unwrap_or(&method.sig.ident),
Box::new(method.sig.decl.clone()),
method.attrs.clone(),
method.vis.clone(),
@ -690,6 +692,7 @@ impl<'a, 'b> MacroParse<()> for (&'a Ident, &'b mut syn::ImplItem) {
constructor,
function,
comments,
rust_name: method.sig.ident.clone(),
});
}
}