0bb075f5a5
Filter out `ProcMacroStub`s to avoid an ICE during cleaning. Also add proc macros to `cache().paths` so it can generate links.
76 lines
2.7 KiB
Rust
76 lines
2.7 KiB
Rust
// Copyright 2018 The Rust Project Developers. See the COPYRIGHT
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// file at the top-level directory of this distribution and at
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// http://rust-lang.org/COPYRIGHT.
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//
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// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
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// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
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// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
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// option. This file may not be copied, modified, or distributed
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// except according to those terms.
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// force-host
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// no-prefer-dynamic
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#![crate_type="proc-macro"]
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#![crate_name="some_macros"]
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extern crate proc_macro;
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use proc_macro::TokenStream;
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// @has some_macros/index.html
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// @has - '//h2' 'Macros'
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// @has - '//h2' 'Attribute Macros'
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// @has - '//h2' 'Derive Macros'
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// @!has - '//h2' 'Functions'
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// @has some_macros/all.html
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// @has - '//a[@href="macro.some_proc_macro.html"]' 'some_proc_macro'
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// @has - '//a[@href="attr.some_proc_attr.html"]' 'some_proc_attr'
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// @has - '//a[@href="derive.SomeDerive.html"]' 'SomeDerive'
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// @!has - '//a/@href' 'fn.some_proc_macro.html'
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// @!has - '//a/@href' 'fn.some_proc_attr.html'
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// @!has - '//a/@href' 'fn.some_derive.html'
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// @has some_macros/index.html '//a/@href' 'macro.some_proc_macro.html'
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// @!has - '//a/@href' 'fn.some_proc_macro.html'
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// @has some_macros/macro.some_proc_macro.html
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// @!has some_macros/fn.some_proc_macro.html
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/// a proc-macro that swallows its input and does nothing.
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#[proc_macro]
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pub fn some_proc_macro(_input: TokenStream) -> TokenStream {
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TokenStream::new()
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}
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// @has some_macros/index.html '//a/@href' 'attr.some_proc_attr.html'
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// @!has - '//a/@href' 'fn.some_proc_attr.html'
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// @has some_macros/attr.some_proc_attr.html
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// @!has some_macros/fn.some_proc_attr.html
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/// a proc-macro attribute that passes its item through verbatim.
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#[proc_macro_attribute]
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pub fn some_proc_attr(_attr: TokenStream, item: TokenStream) -> TokenStream {
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item
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}
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// @has some_macros/index.html '//a/@href' 'derive.SomeDerive.html'
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// @!has - '//a/@href' 'fn.some_derive.html'
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// @has some_macros/derive.SomeDerive.html
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// @!has some_macros/fn.some_derive.html
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/// a derive attribute that adds nothing to its input.
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#[proc_macro_derive(SomeDerive)]
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pub fn some_derive(_item: TokenStream) -> TokenStream {
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TokenStream::new()
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}
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// @has some_macros/foo/index.html
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pub mod foo {
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// @has - '//code' 'pub use some_proc_macro;'
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// @has - '//a/@href' '../../some_macros/macro.some_proc_macro.html'
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pub use some_proc_macro;
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// @has - '//code' 'pub use some_proc_attr;'
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// @has - '//a/@href' '../../some_macros/attr.some_proc_attr.html'
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pub use some_proc_attr;
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// @has - '//code' 'pub use some_derive;'
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// @has - '//a/@href' '../../some_macros/derive.SomeDerive.html'
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pub use some_derive;
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}
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