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/1.0.219")]
17 #![cfg_attr(not(check_cfg), allow(unexpected_cfgs))]
18 // Ignored clippy lints
19 #![allow(
20 // clippy false positive: https://github.com/rust-lang/rust-clippy/issues/7054
21 clippy::branches_sharing_code,
22 clippy::cognitive_complexity,
23 // clippy bug: https://github.com/rust-lang/rust-clippy/issues/7575
24 clippy::collapsible_match,
25 clippy::derive_partial_eq_without_eq,
26 clippy::enum_variant_names,
27 // clippy bug: https://github.com/rust-lang/rust-clippy/issues/6797
28 clippy::manual_map,
29 clippy::match_like_matches_macro,
30 clippy::needless_lifetimes,
31 clippy::needless_pass_by_value,
32 clippy::too_many_arguments,
33 clippy::trivially_copy_pass_by_ref,
34 clippy::used_underscore_binding,
35 clippy::wildcard_in_or_patterns,
36 // clippy bug: https://github.com/rust-lang/rust-clippy/issues/5704
37 clippy::unnested_or_patterns,
38 )]
39 // Ignored clippy_pedantic lints
40 #![allow(
41 clippy::cast_possible_truncation,
42 clippy::checked_conversions,
43 clippy::doc_markdown,
44 clippy::elidable_lifetime_names,
45 clippy::enum_glob_use,
46 clippy::indexing_slicing,
47 clippy::items_after_statements,
48 clippy::let_underscore_untyped,
49 clippy::manual_assert,
50 clippy::map_err_ignore,
51 clippy::match_same_arms,
52 // clippy bug: https://github.com/rust-lang/rust-clippy/issues/6984
53 clippy::match_wildcard_for_single_variants,
54 clippy::module_name_repetitions,
55 clippy::must_use_candidate,
56 clippy::similar_names,
57 clippy::single_match_else,
58 clippy::struct_excessive_bools,
59 clippy::too_many_lines,
60 clippy::uninlined_format_args,
61 clippy::unseparated_literal_suffix,
62 clippy::unused_self,
63 clippy::use_self,
64 clippy::wildcard_imports
65 )]
66 #![cfg_attr(all(test, exhaustive), feature(non_exhaustive_omitted_patterns_lint))]
67
68 extern crate proc_macro2;
69 extern crate quote;
70 extern crate syn;
71
72 extern crate proc_macro;
73
74 mod internals;
75
76 use proc_macro::TokenStream;
77 use syn::parse_macro_input;
78 use syn::DeriveInput;
79
80 #[macro_use]
81 mod bound;
82 #[macro_use]
83 mod fragment;
84
85 mod de;
86 mod dummy;
87 mod pretend;
88 mod ser;
89 mod this;
90
91 #[proc_macro_derive(Serialize, attributes(serde))]
derive_serialize(input: TokenStream) -> TokenStream92 pub fn derive_serialize(input: TokenStream) -> TokenStream {
93 let mut input = parse_macro_input!(input as DeriveInput);
94 ser::expand_derive_serialize(&mut input)
95 .unwrap_or_else(syn::Error::into_compile_error)
96 .into()
97 }
98
99 #[proc_macro_derive(Deserialize, attributes(serde))]
derive_deserialize(input: TokenStream) -> TokenStream100 pub fn derive_deserialize(input: TokenStream) -> TokenStream {
101 let mut input = parse_macro_input!(input as DeriveInput);
102 de::expand_derive_deserialize(&mut input)
103 .unwrap_or_else(syn::Error::into_compile_error)
104 .into()
105 }
106