X-Git-Url: http://git.bitcoin.ninja/index.cgi?a=blobdiff_plain;f=c-bindings-gen%2Fsrc%2Fmain.rs;h=4193f6d36206c14bc47c3aa733b23b355f5e529e;hb=a008464417b7351f23f27fec5e977fccb4b72095;hp=4edad55d1fb9ff9ae071802e76ba5287e77b46dc;hpb=304471b1c185ed25ce8fdefa51fdfc5844caf94e;p=rust-lightning diff --git a/c-bindings-gen/src/main.rs b/c-bindings-gen/src/main.rs index 4edad55d..4193f6d3 100644 --- a/c-bindings-gen/src/main.rs +++ b/c-bindings-gen/src/main.rs @@ -226,7 +226,8 @@ fn writeln_trait<'a, 'b, W: std::io::Write>(w: &mut W, t: &'a syn::ItemTrait, ty generated_fields.push("clone".to_owned()); }, ("std::cmp::Eq", _) => { - writeln!(w, "\tpub eq: extern \"C\" fn (this_arg: *const c_void, other_arg: *const c_void) -> bool,").unwrap(); + writeln!(w, "\tpub eq: extern \"C\" fn (this_arg: *const c_void, other_arg: &{}) -> bool,", trait_name).unwrap(); + writeln!(extra_headers, "typedef struct LDK{} LDK{};", trait_name, trait_name).unwrap(); generated_fields.push("eq".to_owned()); }, ("std::hash::Hash", _) => { @@ -251,21 +252,25 @@ fn writeln_trait<'a, 'b, W: std::io::Write>(w: &mut W, t: &'a syn::ItemTrait, ty ("std::cmp::Eq", _) => { writeln!(w, "impl std::cmp::Eq for {} {{}}", trait_name).unwrap(); writeln!(w, "impl std::cmp::PartialEq for {} {{", trait_name).unwrap(); - writeln!(w, "\tfn eq(&self, o: &Self) -> bool {{ (self.eq)(self.this_arg, o.this_arg) }}\n}}").unwrap(); + writeln!(w, "\tfn eq(&self, o: &Self) -> bool {{ (self.eq)(self.this_arg, o) }}\n}}").unwrap(); }, ("std::hash::Hash", _) => { writeln!(w, "impl std::hash::Hash for {} {{", trait_name).unwrap(); writeln!(w, "\tfn hash(&self, hasher: &mut H) {{ hasher.write_u64((self.hash)(self.this_arg)) }}\n}}").unwrap(); }, ("Clone", _) => { - writeln!(w, "impl Clone for {} {{", trait_name).unwrap(); - writeln!(w, "\tfn clone(&self) -> Self {{").unwrap(); - writeln!(w, "\t\tSelf {{").unwrap(); - writeln!(w, "\t\tthis_arg: if let Some(f) = self.clone {{ (f)(self.this_arg) }} else {{ self.this_arg }},").unwrap(); + writeln!(w, "#[no_mangle]").unwrap(); + writeln!(w, "pub extern \"C\" fn {}_clone(orig: &{}) -> {} {{", trait_name, trait_name, trait_name).unwrap(); + writeln!(w, "\t{} {{", trait_name).unwrap(); + writeln!(w, "\t\tthis_arg: if let Some(f) = orig.clone {{ (f)(orig.this_arg) }} else {{ orig.this_arg }},").unwrap(); for field in generated_fields.iter() { - writeln!(w, "\t\t\t{}: self.{}.clone(),", field, field).unwrap(); + writeln!(w, "\t\t{}: orig.{}.clone(),", field, field).unwrap(); } - writeln!(w, "\t\t}}\n\t}}\n}}").unwrap(); + writeln!(w, "\t}}\n}}").unwrap(); + writeln!(w, "impl Clone for {} {{", trait_name).unwrap(); + writeln!(w, "\tfn clone(&self) -> Self {{").unwrap(); + writeln!(w, "\t\t{}_clone(self)", trait_name).unwrap(); + writeln!(w, "\t}}\n}}").unwrap(); }, (s, i) => { if s != "util::events::MessageSendEventsProvider" { unimplemented!(); } @@ -450,6 +455,10 @@ fn writeln_opaque(w: &mut W, ident: &syn::Ident, struct_name: writeln!(w, "pub(crate) extern \"C\" fn {}_clone_void(this_ptr: *const c_void) -> *mut c_void {{", struct_name).unwrap(); writeln!(w, "\tBox::into_raw(Box::new(unsafe {{ (*(this_ptr as *mut native{})).clone() }})) as *mut c_void", struct_name).unwrap(); writeln!(w, "}}").unwrap(); + writeln!(w, "#[no_mangle]").unwrap(); + writeln!(w, "pub extern \"C\" fn {}_clone(orig: &{}) -> {} {{", struct_name, struct_name, struct_name).unwrap(); + writeln!(w, "\t{} {{ inner: Box::into_raw(Box::new(unsafe {{ &*orig.inner }}.clone())), is_owned: true }}", struct_name).unwrap(); + writeln!(w, "}}").unwrap(); break 'attr_loop; } } @@ -991,6 +1000,10 @@ fn writeln_enum<'a, 'b, W: std::io::Write>(w: &mut W, e: &'a syn::ItemEnum, type if needs_free { writeln!(w, "#[no_mangle]\npub extern \"C\" fn {}_free(this_ptr: {}) {{ }}", e.ident, e.ident).unwrap(); } + writeln!(w, "#[no_mangle]").unwrap(); + writeln!(w, "pub extern \"C\" fn {}_clone(orig: &{}) -> {} {{", e.ident, e.ident, e.ident).unwrap(); + writeln!(w, "\torig.clone()").unwrap(); + writeln!(w, "}}").unwrap(); write_cpp_wrapper(cpp_headers, &format!("{}", e.ident), needs_free); }