},
("Sync", _, _) => {}, ("Send", _, _) => {},
("std::marker::Sync", _, _) => {}, ("std::marker::Send", _, _) => {},
- ("core::fmt::Debug", _, _) => {},
+ ("core::fmt::Debug", _, _) => {
+ writeln!(w, "\t\tdebug_str: {}_debug_str_void,", ident).unwrap();
+ },
(s, t, _) => {
if let Some(supertrait_obj) = types.crate_types.traits.get(s) {
macro_rules! write_impl_fields {
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, "#[must_use]\n#[no_mangle]\npub extern \"C\" fn {}_default() -> {} {{\n", ident, ident).unwrap();
write!(w, "\t{} {{ inner: ObjOps::heap_alloc(Default::default()), is_owned: true }}\n", ident).unwrap();
write!(w, "}}\n").unwrap();
- } else if path_matches_nongeneric(&trait_path.1, &["core", "cmp", "PartialEq"]) {
- } else if path_matches_nongeneric(&trait_path.1, &["core", "cmp", "Eq"]) {
+ } else if full_trait_path_opt.as_ref().map(|s| s.as_str()) == Some("core::cmp::PartialEq") {
+ } else if full_trait_path_opt.as_ref().map(|s| s.as_str()) == Some("core::cmp::Eq") {
writeln!(w, "/// Checks if two {}s contain equal inner contents.", ident).unwrap();
writeln!(w, "/// This ignores pointers and is_owned flags and looks at the values in fields.").unwrap();
if types.c_type_has_inner_from_path(&resolved_path) {
types.write_from_c_conversion_suffix(w, &ref_type, Some(&gen_types));
writeln!(w, " {{ true }} else {{ false }}\n}}").unwrap();
- } else if path_matches_nongeneric(&trait_path.1, &["core", "hash", "Hash"]) {
+ } else if full_trait_path_opt.as_ref().map(|s| s.as_str()) == Some("core::hash::Hash") {
writeln!(w, "/// Generates a non-cryptographic 64-bit hash of the {}.", ident).unwrap();
write!(w, "#[no_mangle]\npub extern \"C\" fn {}_hash(o: &{}) -> u64 {{\n", ident, ident).unwrap();
if types.c_type_has_inner_from_path(&resolved_path) {
types.write_from_c_conversion_suffix(w, &ref_type, Some(&gen_types));
writeln!(w, ", &mut hasher);").unwrap();
writeln!(w, "\tcore::hash::Hasher::finish(&hasher)\n}}").unwrap();
- } else if (path_matches_nongeneric(&trait_path.1, &["core", "clone", "Clone"]) || path_matches_nongeneric(&trait_path.1, &["Clone"])) &&
- types.c_type_has_inner_from_path(&resolved_path) {
+ } else if (full_trait_path_opt.as_ref().map(|s| s.as_str()) == Some("core::clone::Clone") || path_matches_nongeneric(&trait_path.1, &["Clone"])) &&
+ types.c_type_has_inner_from_path(&resolved_path) {
writeln!(w, "impl Clone for {} {{", ident).unwrap();
writeln!(w, "\tfn clone(&self) -> Self {{").unwrap();
writeln!(w, "\t\tSelf {{").unwrap();
writeln!(w, "\t}}.into()\n}}").unwrap();
}
+ } else if full_trait_path_opt.as_ref().map(|s| s.as_str()) == Some("core::fmt::Debug") {
+ writeln!(w, "/// Get a string which allows debug introspection of a {} object", ident).unwrap();
+ writeln!(w, "pub extern \"C\" fn {}_debug_str_void(o: *const c_void) -> Str {{", ident).unwrap();
+
+ 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"]) {
writeln!(w, "#[no_mangle]").unwrap();
writeln!(w, "/// Get the string representation of a {} object", ident).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 {
macro_rules! write_conv {
($fn_sig: expr, $to_c: expr, $ref: expr) => {
- writeln!(w, "\t#[allow(unused)]\n\tpub(crate) fn {} {{\n\t\tmatch {} {{", $fn_sig, if $to_c { "native" } else { "self" }).unwrap();
+ writeln!(w, "\t#[allow(unused)]\n\tpub(crate) fn {} {{", $fn_sig).unwrap();
+ if $to_c && $ref {
+ writeln!(w, "\t\tlet native = unsafe {{ &*(native as *const _ as *const c_void as *const native{}) }};", e.ident).unwrap();
+ }
+ writeln!(w, "\t\tmatch {} {{", if $to_c { "native" } else { "self" }).unwrap();
for var in e.variants.iter() {
write!(w, "\t\t\t{}{}::{} ", if $to_c { "native" } else { "" }, e.ident, var.ident).unwrap();
let mut empty_tuple_variant = false;
}
write_conv!(format!("into_native(self) -> native{}", e.ident), false, false);
if is_clonable {
- write_conv!(format!("from_native(native: &native{}) -> Self", e.ident), true, true);
+ let mut args = Vec::new();
+ maybe_write_non_lifetime_generics(&mut args, &e.generics, &syn::PathArguments::None, &types);
+ let fn_line = format!("from_native(native: &{}Import{}) -> Self", e.ident, String::from_utf8(args).unwrap());
+ write_conv!(fn_line, true, true);
}
write_conv!(format!("native_into(native: native{}) -> Self", e.ident), true, false);
writeln!(w, "}}").unwrap();