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3b2f2976 XL |
1 | //! This crate provides Serde's two derive macros. |
2 | //! | |
f9f354fc XL |
3 | //! ```edition2018 |
4 | //! # use serde_derive::{Serialize, Deserialize}; | |
abe05a73 | 5 | //! # |
3b2f2976 | 6 | //! #[derive(Serialize, Deserialize)] |
abe05a73 XL |
7 | //! # struct S; |
8 | //! # | |
9 | //! # fn main() {} | |
3b2f2976 XL |
10 | //! ``` |
11 | //! | |
12 | //! Please refer to [https://serde.rs/derive.html] for how to set this up. | |
13 | //! | |
14 | //! [https://serde.rs/derive.html]: https://serde.rs/derive.html | |
15 | ||
1b1a35ee | 16 | #![doc(html_root_url = "https://docs.rs/serde_derive/1.0.116")] |
f9f354fc | 17 | #![allow(unknown_lints, bare_trait_objects)] |
f035d41b | 18 | #![deny(clippy::all, clippy::pedantic)] |
f9f354fc | 19 | // Ignored clippy lints |
f035d41b XL |
20 | #![allow( |
21 | clippy::cognitive_complexity, | |
22 | clippy::enum_variant_names, | |
3dfed10e | 23 | clippy::match_like_matches_macro, |
f035d41b XL |
24 | clippy::needless_pass_by_value, |
25 | clippy::too_many_arguments, | |
26 | clippy::trivially_copy_pass_by_ref, | |
27 | clippy::used_underscore_binding, | |
28 | clippy::wildcard_in_or_patterns, | |
29 | // clippy bug: https://github.com/rust-lang/rust-clippy/issues/5704 | |
30 | clippy::unnested_or_patterns, | |
8faf50e0 | 31 | )] |
f9f354fc | 32 | // Ignored clippy_pedantic lints |
f035d41b XL |
33 | #![allow( |
34 | clippy::cast_possible_truncation, | |
35 | clippy::checked_conversions, | |
36 | clippy::doc_markdown, | |
37 | clippy::enum_glob_use, | |
38 | clippy::filter_map, | |
39 | clippy::indexing_slicing, | |
40 | clippy::items_after_statements, | |
41 | clippy::match_same_arms, | |
42 | clippy::module_name_repetitions, | |
43 | clippy::must_use_candidate, | |
3dfed10e | 44 | clippy::option_if_let_else, |
f035d41b XL |
45 | clippy::similar_names, |
46 | clippy::single_match_else, | |
47 | clippy::struct_excessive_bools, | |
48 | clippy::too_many_lines, | |
49 | clippy::unseparated_literal_suffix, | |
50 | clippy::use_self, | |
51 | clippy::wildcard_imports | |
83c7162d | 52 | )] |
3b2f2976 | 53 | |
3b2f2976 XL |
54 | #[macro_use] |
55 | extern crate quote; | |
0531ce1d | 56 | #[macro_use] |
ff7c6d11 | 57 | extern crate syn; |
3b2f2976 | 58 | |
3b2f2976 | 59 | extern crate proc_macro; |
0531ce1d XL |
60 | extern crate proc_macro2; |
61 | ||
8faf50e0 XL |
62 | mod internals; |
63 | ||
3b2f2976 | 64 | use proc_macro::TokenStream; |
0531ce1d | 65 | use syn::DeriveInput; |
3b2f2976 XL |
66 | |
67 | #[macro_use] | |
68 | mod bound; | |
69 | #[macro_use] | |
70 | mod fragment; | |
71 | ||
3b2f2976 | 72 | mod de; |
f9f354fc | 73 | mod dummy; |
8faf50e0 | 74 | mod pretend; |
83c7162d | 75 | mod ser; |
8faf50e0 | 76 | mod try; |
3b2f2976 XL |
77 | |
78 | #[proc_macro_derive(Serialize, attributes(serde))] | |
79 | pub fn derive_serialize(input: TokenStream) -> TokenStream { | |
0731742a | 80 | let input = parse_macro_input!(input as DeriveInput); |
8faf50e0 | 81 | ser::expand_derive_serialize(&input) |
0731742a | 82 | .unwrap_or_else(to_compile_errors) |
8faf50e0 | 83 | .into() |
3b2f2976 XL |
84 | } |
85 | ||
86 | #[proc_macro_derive(Deserialize, attributes(serde))] | |
87 | pub fn derive_deserialize(input: TokenStream) -> TokenStream { | |
0731742a | 88 | let input = parse_macro_input!(input as DeriveInput); |
8faf50e0 | 89 | de::expand_derive_deserialize(&input) |
0731742a | 90 | .unwrap_or_else(to_compile_errors) |
8faf50e0 XL |
91 | .into() |
92 | } | |
93 | ||
0731742a XL |
94 | fn to_compile_errors(errors: Vec<syn::Error>) -> proc_macro2::TokenStream { |
95 | let compile_errors = errors.iter().map(syn::Error::to_compile_error); | |
96 | quote!(#(#compile_errors)*) | |
3b2f2976 | 97 | } |