deno-bindgen2-common 1.0.1

Common library used by the deno-bindgen2 project. Contains mainly implmenentations for parsing and transforming Rust source code.
Documentation 
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use crate::rust::util::*;
pub use crate::rust::{Attribute, Item};

/* -------------------------------------------------------------------------- */

// MARK: api

#[derive(Clone, Debug)]
pub struct ItemMod {
    pub attr:  Attribute,
    pub ident: Ident,
    pub items: Vec<Item>,
}

impl Parse for ItemMod {
    fn parse(input: ParseStream) -> Result<Self> {
        let mut attr = Attribute::default();
        attr.parse_outer(input)?;
        input.parse::<Visibility>()?;

        input.parse::<Option<Token![unsafe]>>()?;
        input.parse::<Token![mod]>()?;

        Self::parse_remaining(input, attr, false)
    }
}

impl ItemMod {
    pub fn parse_remaining(
        input: ParseStream,
        mut attr: Attribute,
        filtered: bool,
    ) -> Result<Self> {
        let ident: Ident = if input.peek(Token![try]) {
            input.call(Ident::parse_any)
        } else {
            input.parse::<Ident>()
        }?;

        let mut items = Vec::new();

        let ahead = input.lookahead1();
        if ahead.peek(Token![;]) {
            input.parse::<Token![;]>()?;
        } else if ahead.peek(Brace) {
            let content;
            braced!(content in input);
            attr.parse_inner(&content)?;

            items.append(&mut Item::parse_many(&content, filtered)?);
        } else {
            return Err(ahead.error());
        }

        Ok(Self { attr, ident, items })
    }
}

#[cfg(test)]
mod tests {
    use super::*;

    #[test]
    fn test_mod() {
        dbg_quote!(
            ItemMod,
            #[this_mod]
            #[doc = "document this mod"]
            mod my_mod {
                #![doc = "inner docs"]

                #[doc = "deno_bindgen"]
                #[doc = "some_documentation"]
                fn my_fn() {
                    #![doc = "inner docs"]
                }

                fn ignored_function() {}

                struct CustomType {}

                #[doc = "deno_bindgen"]
                impl CustomType {
                    #![doc = "inner docs"]

                    fn some_fn() {}
                }
            }
        );
    }
}