Function with_field_parse

crates/component-macro/src/bindgen.rs:458–499

(input: ParseStream<'_>)

}

fn with_field_parse(input: ParseStream<'_>) -> Result<(String, String)> {
    let interface = input.parse::<syn::LitStr>()?.value();
    input.parse::<Token![:]>()?;
    let start = input.span();
    let path = input.parse::<syn::Path>()?;

    // It's not possible for the segments of a path to be empty
    let span = start
        .join(path.segments.last().unwrap().ident.span())
        .unwrap_or(start);

    let mut buf = String::new();
    let append = |buf: &mut String, segment: syn::PathSegment| -> Result<()> {
        if segment.arguments != syn::PathArguments::None {
            return Err(Error::new(
                span,
                "Module path must not contain angles or parens",
            ));
        }

        buf.push_str(&segment.ident.to_string());

        Ok(())
    };

    if path.leading_colon.is_some() {
        buf.push_str("::");
    }

    let mut segments = path.segments.into_iter();

    if let Some(segment) = segments.next() {
        append(&mut buf, segment)?;
    }

    for segment in segments {
        buf.push_str("::");
        append(&mut buf, segment)?;
    }

    Ok((interface, buf))
}

fn parse_function_config(input: ParseStream<'_>) -> Result<FunctionConfig> {
    let content;