self_ty: Option<(String, &'a syn::Path)>,
parent: Option<&'b GenericTypes<'b, 'b>>,
typed_generics: HashMap<&'a syn::Ident, (String, Option<&'a syn::Path>)>,
- default_generics: HashMap<&'a syn::Ident, (&'a syn::Type, syn::Type)>,
+ default_generics: HashMap<&'a syn::Ident, (syn::Type, syn::Type)>,
}
impl<'a, 'p: 'a> GenericTypes<'a, 'p> {
pub fn new(self_ty: Option<(String, &'a syn::Path)>) -> Self {
match generic {
syn::GenericParam::Type(type_param) => {
let mut non_lifetimes_processed = false;
- for bound in type_param.bounds.iter() {
+ 'bound_loop: for bound in type_param.bounds.iter() {
if let syn::TypeParamBound::Trait(trait_bound) = bound {
if let Some(ident) = single_ident_generic_path_to_ident(&trait_bound.path) {
match &format!("{}", ident) as &str { "Send" => continue, "Sync" => continue, _ => {} }
let new_ident = if path != "std::ops::Deref" && path != "core::ops::Deref" {
path = "crate::".to_string() + &path;
Some(&trait_bound.path)
+ } else if trait_bound.path.segments.len() == 1 {
+ // If we're templated on Deref<Target = ConcreteThing>, store
+ // the reference type in `default_generics` which handles full
+ // types and not just paths.
+ if let syn::PathArguments::AngleBracketed(ref args) =
+ trait_bound.path.segments[0].arguments {
+ for subargument in args.args.iter() {
+ match subargument {
+ syn::GenericArgument::Lifetime(_) => {},
+ syn::GenericArgument::Binding(ref b) => {
+ if &format!("{}", b.ident) != "Target" { return false; }
+ let default = &b.ty;
+ self.default_generics.insert(&type_param.ident, (parse_quote!(&#default), parse_quote!(&#default)));
+ break 'bound_loop;
+ },
+ _ => unimplemented!(),
+ }
+ }
+ None
+ } else { None }
} else { None };
self.typed_generics.insert(&type_param.ident, (path, new_ident));
} else { return false; }
}
if let Some(default) = type_param.default.as_ref() {
assert!(type_param.bounds.is_empty());
- self.default_generics.insert(&type_param.ident, (default, parse_quote!(&#default)));
+ self.default_generics.insert(&type_param.ident, (default.clone(), parse_quote!(&#default)));
}
},
_ => {},
fn initial_clonable_types() -> HashSet<String> {
let mut res = HashSet::new();
res.insert("crate::c_types::u5".to_owned());
+ res.insert("crate::c_types::ThirtyTwoBytes".to_owned());
+ res.insert("crate::c_types::PublicKey".to_owned());
+ res.insert("crate::c_types::Transaction".to_owned());
+ res.insert("crate::c_types::TxOut".to_owned());
+ res.insert("crate::c_types::Signature".to_owned());
+ res.insert("crate::c_types::RecoverableSignature".to_owned());
+ res.insert("crate::c_types::Secp256k1Error".to_owned());
+ res.insert("crate::c_types::IOError".to_owned());
res
}
if self.is_primitive(ty) { return true; }
match ty {
"()" => true,
- "crate::c_types::Signature" => true,
- "crate::c_types::RecoverableSignature" => true,
- "crate::c_types::TxOut" => true,
_ => false,
}
}
"str" if is_ref => Some(""),
"alloc::string::String"|"String" => Some(""),
+ "std::io::Error" if !is_ref => Some(""),
// Note that we'll panic for String if is_ref, as we only have non-owned memory, we
// cannot create a &String.
"str" if is_ref => Some(".into_str()"),
"alloc::string::String"|"String" => Some(".into_string()"),
+ "std::io::Error" if !is_ref => Some(".to_rust()"),
"std::time::Duration"|"core::time::Duration" => Some(")"),
"std::time::SystemTime" => Some("))"),
}
/// Returns true if the path is a "transparent" container, ie an Option or a container which does
/// not require a generated continer class.
- fn is_path_transparent_container(&self, full_path: &syn::Path, generics: Option<&GenericTypes>, is_ref: bool) -> bool {
+ pub fn is_path_transparent_container(&self, full_path: &syn::Path, generics: Option<&GenericTypes>, is_ref: bool) -> bool {
let inner_iter = match &full_path.segments.last().unwrap().arguments {
syn::PathArguments::None => return false,
syn::PathArguments::AngleBracketed(args) => args.args.iter().map(|arg| {
(").into(), Err(mut e) => crate::c_types::CResultTempl::err(".to_string(), "e".to_string())],
").into() }", ContainerPrefixLocation::PerConv))
},
- "Vec" if !is_ref => {
- Some(("Vec::new(); for mut item in ", vec![(format!(".drain(..) {{ local_{}.push(", var_name), "item".to_string())], "); }", ContainerPrefixLocation::PerConv))
- },
"Vec" => {
- // We should only get here if the single contained has an inner
- assert!(self.c_type_has_inner(single_contained.unwrap()));
- Some(("Vec::new(); for mut item in ", vec![(format!(".drain(..) {{ local_{}.push(", var_name), "*item".to_string())], "); }", ContainerPrefixLocation::PerConv))
+ if is_ref {
+ // We should only get here if the single contained has an inner
+ assert!(self.c_type_has_inner(single_contained.unwrap()));
+ }
+ Some(("Vec::new(); for mut item in ", vec![(format!(".drain(..) {{ local_{}.push(", var_name), "item".to_string())], "); }", ContainerPrefixLocation::PerConv))
},
"Slice" => {
- Some(("Vec::new(); for item in ", vec![(format!(".iter() {{ local_{}.push(", var_name), "*item".to_string())], "); }", ContainerPrefixLocation::PerConv))
+ Some(("Vec::new(); for item in ", vec![(format!(".iter() {{ local_{}.push(", var_name), "item".to_string())], "); }", ContainerPrefixLocation::PerConv))
},
"Option" => {
let contained_struct = if let Some(syn::Type::Path(p)) = single_contained {
projects / ldk-c-bindings / blobdiff