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| </pre><pre class="rust"><code><span class="doccomment">//! This crate provides Serde's two derive macros.</span> |
| <span class="doccomment">//!</span> |
| <span class="doccomment">//! ```edition2018</span> |
| <span class="doccomment">//! # use serde_derive::{Serialize, Deserialize};</span> |
| <span class="doccomment">//! #</span> |
| <span class="doccomment">//! #[derive(Serialize, Deserialize)]</span> |
| <span class="doccomment">//! # struct S;</span> |
| <span class="doccomment">//! #</span> |
| <span class="doccomment">//! # fn main() {}</span> |
| <span class="doccomment">//! ```</span> |
| <span class="doccomment">//!</span> |
| <span class="doccomment">//! Please refer to [https://serde.rs/derive.html] for how to set this up.</span> |
| <span class="doccomment">//!</span> |
| <span class="doccomment">//! [https://serde.rs/derive.html]: https://serde.rs/derive.html</span> |
| |
| <span class="attribute">#![<span class="ident">doc</span>(<span class="ident">html_root_url</span> <span class="op">=</span> <span class="string">"https://docs.rs/serde_derive/1.0.133"</span>)]</span> |
| <span class="attribute">#![<span class="ident">allow</span>(<span class="ident">unknown_lints</span>, <span class="ident">bare_trait_objects</span>)]</span> |
| <span class="comment">// Ignored clippy lints</span> |
| <span class="attribute">#![<span class="ident">allow</span>( |
| <span class="comment">// clippy false positive: https://github.com/rust-lang/rust-clippy/issues/7054</span> |
| <span class="ident">clippy::branches_sharing_code</span>, |
| <span class="ident">clippy::cognitive_complexity</span>, |
| <span class="comment">// clippy bug: https://github.com/rust-lang/rust-clippy/issues/7575</span> |
| <span class="ident">clippy::collapsible_match</span>, |
| <span class="ident">clippy::enum_variant_names</span>, |
| <span class="comment">// clippy bug: https://github.com/rust-lang/rust-clippy/issues/6797</span> |
| <span class="ident">clippy::manual_map</span>, |
| <span class="ident">clippy::match_like_matches_macro</span>, |
| <span class="ident">clippy::needless_pass_by_value</span>, |
| <span class="ident">clippy::too_many_arguments</span>, |
| <span class="ident">clippy::trivially_copy_pass_by_ref</span>, |
| <span class="ident">clippy::used_underscore_binding</span>, |
| <span class="ident">clippy::wildcard_in_or_patterns</span>, |
| <span class="comment">// clippy bug: https://github.com/rust-lang/rust-clippy/issues/5704</span> |
| <span class="ident">clippy::unnested_or_patterns</span>, |
| )]</span> |
| <span class="comment">// Ignored clippy_pedantic lints</span> |
| <span class="attribute">#![<span class="ident">allow</span>( |
| <span class="ident">clippy::cast_possible_truncation</span>, |
| <span class="ident">clippy::checked_conversions</span>, |
| <span class="ident">clippy::doc_markdown</span>, |
| <span class="ident">clippy::enum_glob_use</span>, |
| <span class="ident">clippy::indexing_slicing</span>, |
| <span class="ident">clippy::items_after_statements</span>, |
| <span class="ident">clippy::let_underscore_drop</span>, |
| <span class="ident">clippy::manual_assert</span>, |
| <span class="ident">clippy::map_err_ignore</span>, |
| <span class="ident">clippy::match_same_arms</span>, |
| <span class="comment">// clippy bug: https://github.com/rust-lang/rust-clippy/issues/6984</span> |
| <span class="ident">clippy::match_wildcard_for_single_variants</span>, |
| <span class="ident">clippy::module_name_repetitions</span>, |
| <span class="ident">clippy::must_use_candidate</span>, |
| <span class="ident">clippy::option_if_let_else</span>, |
| <span class="ident">clippy::similar_names</span>, |
| <span class="ident">clippy::single_match_else</span>, |
| <span class="ident">clippy::struct_excessive_bools</span>, |
| <span class="ident">clippy::too_many_lines</span>, |
| <span class="ident">clippy::unseparated_literal_suffix</span>, |
| <span class="ident">clippy::unused_self</span>, |
| <span class="ident">clippy::use_self</span>, |
| <span class="ident">clippy::wildcard_imports</span> |
| )]</span> |
| |
| <span class="attribute">#[<span class="ident">macro_use</span>]</span> |
| <span class="kw">extern</span> <span class="kw">crate</span> <span class="ident">quote</span>; |
| <span class="attribute">#[<span class="ident">macro_use</span>]</span> |
| <span class="kw">extern</span> <span class="kw">crate</span> <span class="ident">syn</span>; |
| |
| <span class="kw">extern</span> <span class="kw">crate</span> <span class="ident">proc_macro</span>; |
| <span class="kw">extern</span> <span class="kw">crate</span> <span class="ident">proc_macro2</span>; |
| |
| <span class="kw">mod</span> <span class="ident">internals</span>; |
| |
| <span class="kw">use</span> <span class="ident">proc_macro::TokenStream</span>; |
| <span class="kw">use</span> <span class="ident">syn::DeriveInput</span>; |
| |
| <span class="attribute">#[<span class="ident">macro_use</span>]</span> |
| <span class="kw">mod</span> <span class="ident">bound</span>; |
| <span class="attribute">#[<span class="ident">macro_use</span>]</span> |
| <span class="kw">mod</span> <span class="ident">fragment</span>; |
| |
| <span class="kw">mod</span> <span class="ident">de</span>; |
| <span class="kw">mod</span> <span class="ident">dummy</span>; |
| <span class="kw">mod</span> <span class="ident">pretend</span>; |
| <span class="kw">mod</span> <span class="ident">ser</span>; |
| <span class="kw">mod</span> <span class="ident">try</span>; |
| |
| <span class="attribute">#[<span class="ident">proc_macro_derive</span>(<span class="ident">Serialize</span>, <span class="ident">attributes</span>(<span class="ident">serde</span>))]</span> |
| <span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">derive_serialize</span>(<span class="ident">input</span>: <span class="ident">TokenStream</span>) -> <span class="ident">TokenStream</span> { |
| <span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">input</span> <span class="op">=</span> <span class="macro">parse_macro_input!</span>(<span class="ident">input</span> <span class="kw">as</span> <span class="ident">DeriveInput</span>); |
| <span class="ident">ser::expand_derive_serialize</span>(<span class="kw-2">&mut</span> <span class="ident">input</span>) |
| .<span class="ident">unwrap_or_else</span>(<span class="ident">to_compile_errors</span>) |
| .<span class="ident">into</span>() |
| } |
| |
| <span class="attribute">#[<span class="ident">proc_macro_derive</span>(<span class="ident">Deserialize</span>, <span class="ident">attributes</span>(<span class="ident">serde</span>))]</span> |
| <span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">derive_deserialize</span>(<span class="ident">input</span>: <span class="ident">TokenStream</span>) -> <span class="ident">TokenStream</span> { |
| <span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">input</span> <span class="op">=</span> <span class="macro">parse_macro_input!</span>(<span class="ident">input</span> <span class="kw">as</span> <span class="ident">DeriveInput</span>); |
| <span class="ident">de::expand_derive_deserialize</span>(<span class="kw-2">&mut</span> <span class="ident">input</span>) |
| .<span class="ident">unwrap_or_else</span>(<span class="ident">to_compile_errors</span>) |
| .<span class="ident">into</span>() |
| } |
| |
| <span class="kw">fn</span> <span class="ident">to_compile_errors</span>(<span class="ident">errors</span>: <span class="ident">Vec</span><span class="op"><</span><span class="ident">syn::Error</span><span class="op">></span>) -> <span class="ident">proc_macro2::TokenStream</span> { |
| <span class="kw">let</span> <span class="ident">compile_errors</span> <span class="op">=</span> <span class="ident">errors</span>.<span class="ident">iter</span>().<span class="ident">map</span>(<span class="ident">syn::Error::to_compile_error</span>); |
| <span class="macro">quote!</span>(#(#<span class="ident">compile_errors</span>)<span class="kw-2">*</span>) |
| } |
| </code></pre></div> |
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