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rust/tests/rustdoc/proc-macro.rs

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tests: use `force-host` and `no-prefer-dynamic` in all proc_macro tests.
2018-11-24 13:34:13 +00:00
//@ force-host
//@ no-prefer-dynamic
Improve Rustdoc's handling of procedural macros Fixes #58700 Fixes #58696 Fixes #49553 Fixes #52210 This commit removes the special rustdoc handling for proc macros, as we can now retrieve their span and attributes just like any other item. A new command-line option is added to rustdoc: `--crate-type`. This takes the same options as rustc's `--crate-type` option. However, all values other than `proc-macro` are treated the same. This allows Rustdoc to enable 'proc macro mode' when handling a proc macro crate. In compiletest, a new 'rustdoc-flags' option is added. This allows us to pass in the '--proc-macro-crate' flag in the absence of Cargo. I've opened [an additional PR to Cargo](https://github.com/rust-lang/cargo/pull/7159) to support passing in this flag. These two PRS can be merged in any order - the Cargo changes will not take effect until the 'cargo' submodule is updated in this repository.
2019-07-20 20:34:41 +00:00
//@ compile-flags: --crate-type proc-macro --document-private-items
tests: use `force-host` and `no-prefer-dynamic` in all proc_macro tests.
2018-11-24 13:34:13 +00:00
handle proc-macros as macros instead of functions
2018-09-25 19:56:43 +00:00
#![crate_type="proc-macro"]
#![crate_name="some_macros"]
add intra-doc link test to proc-macro test
2019-01-22 21:44:19 +00:00
// @has some_macros/index.html
// @has - '//a/[@href="attr.some_proc_attr.html"]' 'some_proc_attr'
Fix warnings in rustdoc HTML tests Now that compiletest denies warnings in these tests, they need fixing!
2021-11-26 23:03:16 +00:00
//! include a link to [some_proc_macro!] to make sure it works.
add intra-doc link test to proc-macro test
2019-01-22 21:44:19 +00:00
handle proc-macros as macros instead of functions
2018-09-25 19:56:43 +00:00
extern crate proc_macro;
use proc_macro::TokenStream;
// @has some_macros/index.html
// @has - '//h2' 'Macros'
// @has - '//h2' 'Attribute Macros'
// @has - '//h2' 'Derive Macros'
// @!has - '//h2' 'Functions'
check for proc-macros in "all items"
2018-09-27 15:22:29 +00:00
// @has some_macros/all.html
// @has - '//a[@href="macro.some_proc_macro.html"]' 'some_proc_macro'
// @has - '//a[@href="attr.some_proc_attr.html"]' 'some_proc_attr'
// @has - '//a[@href="derive.SomeDerive.html"]' 'SomeDerive'
// @!has - '//a/@href' 'fn.some_proc_macro.html'
// @!has - '//a/@href' 'fn.some_proc_attr.html'
// @!has - '//a/@href' 'fn.some_derive.html'
handle proc-macros as macros instead of functions
2018-09-25 19:56:43 +00:00
// @has some_macros/index.html '//a/@href' 'macro.some_proc_macro.html'
// @!has - '//a/@href' 'fn.some_proc_macro.html'
// @has some_macros/macro.some_proc_macro.html
// @!has some_macros/fn.some_proc_macro.html
/// a proc-macro that swallows its input and does nothing.
#[proc_macro]
pub fn some_proc_macro(_input: TokenStream) -> TokenStream {
TokenStream::new()
}
// @has some_macros/index.html '//a/@href' 'attr.some_proc_attr.html'
// @!has - '//a/@href' 'fn.some_proc_attr.html'
// @has some_macros/attr.some_proc_attr.html
// @!has some_macros/fn.some_proc_attr.html
/// a proc-macro attribute that passes its item through verbatim.
#[proc_macro_attribute]
pub fn some_proc_attr(_attr: TokenStream, item: TokenStream) -> TokenStream {
item
}
// @has some_macros/index.html '//a/@href' 'derive.SomeDerive.html'
// @!has - '//a/@href' 'fn.some_derive.html'
// @has some_macros/derive.SomeDerive.html
// @!has some_macros/fn.some_derive.html
/// a derive attribute that adds nothing to its input.
#[proc_macro_derive(SomeDerive)]
pub fn some_derive(_item: TokenStream) -> TokenStream {
TokenStream::new()
}
rustdoc: Fix local reexports of proc macros Filter out `ProcMacroStub`s to avoid an ICE during cleaning. Also add proc macros to `cache().paths` so it can generate links.
2018-12-08 18:27:12 +00:00
// @has some_macros/foo/index.html
Improve Rustdoc's handling of procedural macros Fixes #58700 Fixes #58696 Fixes #49553 Fixes #52210 This commit removes the special rustdoc handling for proc macros, as we can now retrieve their span and attributes just like any other item. A new command-line option is added to rustdoc: `--crate-type`. This takes the same options as rustc's `--crate-type` option. However, all values other than `proc-macro` are treated the same. This allows Rustdoc to enable 'proc macro mode' when handling a proc macro crate. In compiletest, a new 'rustdoc-flags' option is added. This allows us to pass in the '--proc-macro-crate' flag in the absence of Cargo. I've opened [an additional PR to Cargo](https://github.com/rust-lang/cargo/pull/7159) to support passing in this flag. These two PRS can be merged in any order - the Cargo changes will not take effect until the 'cargo' submodule is updated in this repository.
2019-07-20 20:34:41 +00:00
mod foo {
rustdoc: Fix local reexports of proc macros Filter out `ProcMacroStub`s to avoid an ICE during cleaning. Also add proc macros to `cache().paths` so it can generate links.
2018-12-08 18:27:12 +00:00
// @has - '//code' 'pub use some_proc_macro;'
rustdoc: use more precise relative URLS Instead of using a depth counter and adding "../" to get to the top, this commit makes rustdoc actually compare the path of what it's linking from to the path that it's linking to. This makes the resulting HTML shorter. Here's a comparison of one of the largest (non-source) files in the Rust standard library docs (about 4% improvement before gzipping). $ wc -c struct.Wrapping.old.html struct.Wrapping.new.html 2387389 struct.Wrapping.old.html 2298538 struct.Wrapping.new.html Most if it can be efficiently gzipped away. $ wc -c struct.Wrapping.old.html.gz struct.Wrapping.new.html.gz 70679 struct.Wrapping.old.html.gz 70050 struct.Wrapping.new.html.gz But it also makes a difference in the final DOM size, reducing it from 91MiB to 82MiB.
2021-03-17 18:41:01 +00:00
// @has - '//a/@href' '../macro.some_proc_macro.html'
rustdoc: Fix local reexports of proc macros Filter out `ProcMacroStub`s to avoid an ICE during cleaning. Also add proc macros to `cache().paths` so it can generate links.
2018-12-08 18:27:12 +00:00
pub use some_proc_macro;
// @has - '//code' 'pub use some_proc_attr;'
rustdoc: use more precise relative URLS Instead of using a depth counter and adding "../" to get to the top, this commit makes rustdoc actually compare the path of what it's linking from to the path that it's linking to. This makes the resulting HTML shorter. Here's a comparison of one of the largest (non-source) files in the Rust standard library docs (about 4% improvement before gzipping). $ wc -c struct.Wrapping.old.html struct.Wrapping.new.html 2387389 struct.Wrapping.old.html 2298538 struct.Wrapping.new.html Most if it can be efficiently gzipped away. $ wc -c struct.Wrapping.old.html.gz struct.Wrapping.new.html.gz 70679 struct.Wrapping.old.html.gz 70050 struct.Wrapping.new.html.gz But it also makes a difference in the final DOM size, reducing it from 91MiB to 82MiB.
2021-03-17 18:41:01 +00:00
// @has - '//a/@href' '../attr.some_proc_attr.html'
rustdoc: Fix local reexports of proc macros Filter out `ProcMacroStub`s to avoid an ICE during cleaning. Also add proc macros to `cache().paths` so it can generate links.
2018-12-08 18:27:12 +00:00
pub use some_proc_attr;
// @has - '//code' 'pub use some_derive;'
rustdoc: use more precise relative URLS Instead of using a depth counter and adding "../" to get to the top, this commit makes rustdoc actually compare the path of what it's linking from to the path that it's linking to. This makes the resulting HTML shorter. Here's a comparison of one of the largest (non-source) files in the Rust standard library docs (about 4% improvement before gzipping). $ wc -c struct.Wrapping.old.html struct.Wrapping.new.html 2387389 struct.Wrapping.old.html 2298538 struct.Wrapping.new.html Most if it can be efficiently gzipped away. $ wc -c struct.Wrapping.old.html.gz struct.Wrapping.new.html.gz 70679 struct.Wrapping.old.html.gz 70050 struct.Wrapping.new.html.gz But it also makes a difference in the final DOM size, reducing it from 91MiB to 82MiB.
2021-03-17 18:41:01 +00:00
// @has - '//a/@href' '../derive.SomeDerive.html'
rustdoc: Fix local reexports of proc macros Filter out `ProcMacroStub`s to avoid an ICE during cleaning. Also add proc macros to `cache().paths` so it can generate links.
2018-12-08 18:27:12 +00:00
pub use some_derive;
}
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