write_method_var_decl_body(w, &$trait_meth.sig, "", &mut trait_resolver, Some(&meth_gen_types), false);
let mut takes_self = false;
for inp in $m.sig.inputs.iter() {
- if let syn::FnArg::Receiver(_) = inp {
- takes_self = true;
+ match inp {
+ syn::FnArg::Receiver(_) => {
+ takes_self = true;
+ break;
+ },
+ syn::FnArg::Typed(ty) => {
+ if let syn::Pat::Ident(id) = &*ty.pat {
+ if format!("{}", id.ident) == "self" {
+ takes_self = true;
+ break;
+ }
+ }
+ }
}
}
- let mut t_gen_args = String::new();
- for (idx, _) in $trait.generics.params.iter().enumerate() {
- if idx != 0 { t_gen_args += ", " };
- t_gen_args += "_"
- }
- // rustc doesn't like <_> if the _ is actually a lifetime, so
- // if all the parameters are lifetimes just skip it.
- let mut nonlifetime_param = false;
- for param in $trait.generics.params.iter() {
- if let syn::GenericParam::Lifetime(_) = param {}
- else { nonlifetime_param = true; }
- }
- if !nonlifetime_param { t_gen_args = String::new(); }
+ let mut t_gen_args_vec = Vec::new();
+ maybe_write_type_non_lifetime_generics(&mut t_gen_args_vec, &$trait.generics, &trait_resolver);
+ let t_gen_args = String::from_utf8(t_gen_args_vec).unwrap();
if takes_self {
- write!(w, "<native{} as {}<{}>>::{}(unsafe {{ &mut *(this_arg as *mut native{}) }}, ", ident, $trait_path, t_gen_args, $m.sig.ident, ident).unwrap();
+ write!(w, "<native{} as {}{}>::{}(unsafe {{ &mut *(this_arg as *mut native{}) }}, ", ident, $trait_path, t_gen_args, $m.sig.ident, ident).unwrap();
} else {
- write!(w, "<native{} as {}<{}>>::{}(", ident, $trait_path, t_gen_args, $m.sig.ident).unwrap();
+ write!(w, "<native{} as {}{}>::{}(", ident, $trait_path, t_gen_args, $m.sig.ident).unwrap();
}
let mut real_type = "".to_string();
write!(w, "\talloc::format!(\"{{:?}}\", unsafe {{ o as *const crate::{} }}).into()", resolved_path).unwrap();
writeln!(w, "}}").unwrap();
- } else if path_matches_nongeneric(&trait_path.1, &["Display"]) {
+ } else if full_trait_path_opt.as_ref().map(|s| s.as_str()) == Some("core::fmt::Display") ||
+ path_matches_nongeneric(&trait_path.1, &["Display"])
+ {
writeln!(w, "#[no_mangle]").unwrap();
writeln!(w, "/// Get the string representation of a {} object", ident).unwrap();
writeln!(w, "pub extern \"C\" fn {}_to_str(o: &crate::{}) -> Str {{", ident, resolved_path).unwrap();
let mut takes_mut_self = false;
let mut takes_owned_self = false;
for inp in m.sig.inputs.iter() {
- if let syn::FnArg::Receiver(r) = inp {
- takes_self = true;
- if r.mutability.is_some() { takes_mut_self = true; }
- if r.reference.is_none() { takes_owned_self = true; }
+ match inp {
+ syn::FnArg::Receiver(r) => {
+ takes_self = true;
+ if r.mutability.is_some() { takes_mut_self = true; }
+ if r.reference.is_none() { takes_owned_self = true; }
+ break;
+ },
+ syn::FnArg::Typed(ty) => {
+ if let syn::Pat::Ident(id) = &*ty.pat {
+ if format!("{}", id.ident) == "self" {
+ takes_self = true;
+ if id.mutability.is_some() { takes_mut_self = true; }
+ if id.by_ref.is_none() { takes_owned_self = true; }
+ break;
+ }
+ }
+ }
}
}
if !takes_mut_self && !takes_self {
// TODO: We need to map deny(missing_docs) in the source crate(s)
//writeln!(out, "#![deny(missing_docs)]").unwrap();
- writeln!(out, "#![cfg_attr(not(feature = \"std\"), no_std)]").unwrap();
- writeln!(out, "#[cfg(not(any(feature = \"std\", feature = \"no-std\")))]").unwrap();
- writeln!(out, "compile_error!(\"at least one of the `std` or `no-std` features must be enabled\");").unwrap();
+ writeln!(out, "#![cfg_attr(feature = \"no-std\", no_std)]").unwrap();
writeln!(out, "extern crate alloc;").unwrap();
writeln!(out, "pub mod version;").unwrap();