diff options
Diffstat (limited to 'tests/rustdoc/inline_cross/auxiliary/proc_macro.rs')
-rw-r--r-- | tests/rustdoc/inline_cross/auxiliary/proc_macro.rs | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/tests/rustdoc/inline_cross/auxiliary/proc_macro.rs b/tests/rustdoc/inline_cross/auxiliary/proc_macro.rs new file mode 100644 index 000000000..d8e5746f3 --- /dev/null +++ b/tests/rustdoc/inline_cross/auxiliary/proc_macro.rs @@ -0,0 +1,47 @@ +// force-host +// no-prefer-dynamic +// compile-flags: --crate-type proc-macro + +#![crate_type="proc-macro"] +#![crate_name="some_macros"] + +extern crate proc_macro; + +use proc_macro::TokenStream; + +macro_rules! make_attr_macro { + ($name:ident) => { + /// Generated doc comment + #[proc_macro_attribute] + pub fn $name(args: TokenStream, input: TokenStream) -> TokenStream { + panic!() + } + } +} + +make_attr_macro!(first_attr); +make_attr_macro!(second_attr); + +/// a proc-macro that swallows its input and does nothing. +#[proc_macro] +pub fn some_proc_macro(_input: TokenStream) -> TokenStream { + TokenStream::new() +} + +/// a proc-macro attribute that passes its item through verbatim. +#[proc_macro_attribute] +pub fn some_proc_attr(_attr: TokenStream, item: TokenStream) -> TokenStream { + item +} + +/// a derive attribute that adds nothing to its input. +#[proc_macro_derive(SomeDerive)] +pub fn some_derive(_item: TokenStream) -> TokenStream { + TokenStream::new() +} + +/// Doc comment from the original crate +#[proc_macro] +pub fn reexported_macro(_input: TokenStream) -> TokenStream { + TokenStream::new() +} |