1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78
#![allow(unused_imports)] #[macro_use] extern crate failure; #[macro_use] extern crate shippai_derive; pub use shippai_derive::*; #[macro_export] macro_rules! shippai_export { () => { pub struct ShippaiError { error: ::failure::Error, } impl From<::failure::Error> for ShippaiError { fn from(e: ::failure::Error) -> ShippaiError { ShippaiError { error: e } } } impl From<ShippaiError> for ::failure::Error { fn from(e: ShippaiError) -> ::failure::Error { e.error } } #[no_mangle] pub unsafe extern "C" fn shippai_get_display( t: *mut ShippaiError, ) -> *const ::std::os::raw::c_char { use std::ffi::CString; CString::new(format!("{}", (*t).error)).unwrap().into_raw() } #[no_mangle] pub unsafe extern "C" fn shippai_get_debug( t: *mut ShippaiError, ) -> *const ::std::os::raw::c_char { use std::ffi::CString; CString::new(format!("{:?}", (*t).error)) .unwrap() .into_raw() } #[no_mangle] pub unsafe extern "C" fn shippai_free_failure(t: *mut ShippaiError) { let _ = Box::from_raw(t); } #[no_mangle] pub unsafe extern "C" fn shippai_free_str(t: *mut ::std::os::raw::c_char) { use std::ffi::CString; CString::from_raw(t); } }; } #[cfg(test)] pub mod tests { use super::*; #[derive(Debug, Fail, Shippai)] enum MyError { #[fail(display = "Foo error")] Foo, } #[derive(Debug, Fail, Shippai)] enum MyOtherError { #[fail(display = "Bar error")] Bar, } shippai_export!(); }