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Do not remove doc-comments on pluging functions.

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This commit is contained in:
Stephen Chung
2022-01-20 09:06:09 +08:00
parent f92894e337
commit 6b06019265
5 changed files with 63 additions and 37 deletions
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43
codegen/src/attrs.rs
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@@ -142,33 +142,34 @@ pub fn inner_item_attributes<T: ExportedParams>(
}
#[cfg(feature = "metadata")]
pub fn doc_attributes(attrs: &mut Vec<syn::Attribute>) -> syn::Result<Vec<String>> {
pub fn doc_attributes(attrs: &[syn::Attribute]) -> syn::Result<Vec<String>> {
// Find the #[doc] attribute which will turn be read for function documentation.
let mut comments = Vec::new();
while let Some(index) = attrs
.iter()
.position(|attr| attr.path.get_ident().map(|i| *i == "doc").unwrap_or(false))
{
match attrs.remove(index).parse_meta()? {
syn::Meta::NameValue(syn::MetaNameValue {
lit: syn::Lit::Str(s),
..
}) => {
let mut line = s.value();
for attr in attrs {
if let Some(i) = attr.path.get_ident() {
if *i == "doc" {
match attr.parse_meta()? {
syn::Meta::NameValue(syn::MetaNameValue {
lit: syn::Lit::Str(s),
..
}) => {
let mut line = s.value();
if line.contains('\n') {
// Must be a block comment `/** ... */`
line.insert_str(0, "/**");
line.push_str("*/");
} else {
// Single line - assume it is `///`
line.insert_str(0, "///");
if line.contains('\n') {
// Must be a block comment `/** ... */`
line.insert_str(0, "/**");
line.push_str("*/");
} else {
// Single line - assume it is `///`
line.insert_str(0, "///");
}
comments.push(line);
}
_ => (),
}
comments.push(line);
}
_ => continue,
}
}