1 //! This crate provides Serde's two derive macros.
2 //!
3 //! ```edition2021
4 //! # use serde_derive::{Deserialize, Serialize};
5 //! #
6 //! #[derive(Serialize, Deserialize)]
7 //! # struct S;
8 //! #
9 //! # fn main() {}
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
16 #![doc(html_root_url = "https://docs.rs/serde_derive/1.0.197")]
17 // Ignored clippy lints
18 #![allow(
19 // clippy false positive: https://github.com/rust-lang/rust-clippy/issues/7054
20 clippy::branches_sharing_code,
21 clippy::cognitive_complexity,
22 // clippy bug: https://github.com/rust-lang/rust-clippy/issues/7575
23 clippy::collapsible_match,
24 clippy::derive_partial_eq_without_eq,
25 clippy::enum_variant_names,
26 // clippy bug: https://github.com/rust-lang/rust-clippy/issues/6797
27 clippy::manual_map,
28 clippy::match_like_matches_macro,
29 clippy::needless_pass_by_value,
30 clippy::too_many_arguments,
31 clippy::trivially_copy_pass_by_ref,
32 clippy::used_underscore_binding,
33 clippy::wildcard_in_or_patterns,
34 // clippy bug: https://github.com/rust-lang/rust-clippy/issues/5704
35 clippy::unnested_or_patterns,
36 )]
37 // Ignored clippy_pedantic lints
38 #![allow(
39 clippy::cast_possible_truncation,
40 clippy::checked_conversions,
41 clippy::doc_markdown,
42 clippy::enum_glob_use,
43 clippy::indexing_slicing,
44 clippy::items_after_statements,
45 clippy::let_underscore_untyped,
46 clippy::manual_assert,
47 clippy::map_err_ignore,
48 clippy::match_same_arms,
49 // clippy bug: https://github.com/rust-lang/rust-clippy/issues/6984
50 clippy::match_wildcard_for_single_variants,
51 clippy::module_name_repetitions,
52 clippy::must_use_candidate,
53 clippy::similar_names,
54 clippy::single_match_else,
55 clippy::struct_excessive_bools,
56 clippy::too_many_lines,
57 clippy::unseparated_literal_suffix,
58 clippy::unused_self,
59 clippy::use_self,
60 clippy::wildcard_imports
61 )]
62 #![cfg_attr(all(test, exhaustive), feature(non_exhaustive_omitted_patterns_lint))]
63
64 extern crate proc_macro2;
65 extern crate quote;
66 extern crate syn;
67
68 extern crate proc_macro;
69
70 mod internals;
71
72 use proc_macro::TokenStream;
73 use syn::parse_macro_input;
74 use syn::DeriveInput;
75
76 #[macro_use]
77 mod bound;
78 #[macro_use]
79 mod fragment;
80
81 mod de;
82 mod dummy;
83 mod pretend;
84 mod ser;
85 mod this;
86
87 #[proc_macro_derive(Serialize, attributes(serde))]
derive_serialize(input: TokenStream) -> TokenStream88 pub fn derive_serialize(input: TokenStream) -> TokenStream {
89 let mut input = parse_macro_input!(input as DeriveInput);
90 ser::expand_derive_serialize(&mut input)
91 .unwrap_or_else(syn::Error::into_compile_error)
92 .into()
93 }
94
95 #[proc_macro_derive(Deserialize, attributes(serde))]
derive_deserialize(input: TokenStream) -> TokenStream96 pub fn derive_deserialize(input: TokenStream) -> TokenStream {
97 let mut input = parse_macro_input!(input as DeriveInput);
98 de::expand_derive_deserialize(&mut input)
99 .unwrap_or_else(syn::Error::into_compile_error)
100 .into()
101 }
102