1#![allow(
2 clippy::blocks_in_conditions,
3 clippy::cast_lossless,
4 clippy::cast_possible_truncation,
5 clippy::enum_glob_use,
6 clippy::manual_find,
7 clippy::manual_let_else,
8 clippy::manual_map,
9 clippy::map_unwrap_or,
10 clippy::module_name_repetitions,
11 clippy::needless_pass_by_value,
12 clippy::range_plus_one,
13 clippy::single_match_else,
14 clippy::struct_field_names,
15 clippy::too_many_lines,
16 clippy::wrong_self_convention
17)]
18#![allow(unknown_lints, mismatched_lifetime_syntaxes)]
19
20extern crate proc_macro;
21
22mod ast;
23mod attr;
24mod expand;
25mod fallback;
26mod fmt;
27mod generics;
28mod prop;
29mod scan_expr;
30mod unraw;
31mod valid;
32
33use proc_macro::TokenStream;
34use syn::{parse_macro_input, DeriveInput};
35
36#[proc_macro_derive(Error, attributes(backtrace, error, from, source))]
37pub fn derive_error(input: TokenStream) -> TokenStream {
38 let input = parse_macro_input!(input as DeriveInput);
39 expand::derive(&input).into()
40}