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[bindings] Expose a _clone fn for every enum

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This somewhat assumes that every public enum implements clone in
some way, but that is currently the case.
This commit is contained in:
Matt Corallo 2020-10-20 14:02:12 -04:00
parent 29b209ceea
commit 0362972d37
1 changed files with 4 additions and 0 deletions
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4
c-bindings-gen/src/main.rs
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@ -995,6 +995,10 @@ 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);
}