diff options
author | Justus Winter <justus@sequoia-pgp.org> | 2019-01-29 16:47:37 +0100 |
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committer | Justus Winter <justus@sequoia-pgp.org> | 2019-01-29 17:41:26 +0100 |
commit | 558a684ce0a2aadd6bfa7a4cda19e8a6de062e1c (patch) | |
tree | e2ece4465ca69aba224b9c7676b2eff6f8a97bb3 /ffi-macros | |
parent | ca715fb46d371a49492c51f829ea61f6883782ab (diff) |
openpgp-ffi: Derive Serialize.
Diffstat (limited to 'ffi-macros')
-rw-r--r-- | ffi-macros/src/lib.rs | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/ffi-macros/src/lib.rs b/ffi-macros/src/lib.rs index 9d486ba5..5e815c3f 100644 --- a/ffi-macros/src/lib.rs +++ b/ffi-macros/src/lib.rs @@ -234,6 +234,7 @@ fn derive_functions() -> &'static HashMap<&'static str, DeriveFn> h.insert("Hash", derive_hash as DeriveFn); h.insert("Display", derive_to_string as DeriveFn); h.insert("Debug", derive_debug as DeriveFn); + h.insert("Serialize", derive_serialize as DeriveFn); h }; } @@ -643,3 +644,23 @@ fn derive_hash(span: proc_macro2::Span, prefix: &str, name: &str, } } } + +/// Derives prefix_name_serialize. +fn derive_serialize(span: proc_macro2::Span, prefix: &str, name: &str, + wrapper: &syn::Ident, _wrapped: &syn::Type) + -> TokenStream2 +{ + let ident = syn::Ident::new(&format!("{}{}_serialize", prefix, name), + span); + quote! { + /// Serializes this object. + #[::ffi_catch_abort] #[no_mangle] pub extern "system" + fn #ident (errp: Option<&mut *mut ::error::Error>, + tsk: *const #wrapper, + writer: *mut Box<Write>) + -> Status { + let writer = ffi_param_ref_mut!(writer); + tsk.ref_raw().serialize(writer).move_into_raw(errp) + } + } +} |