diff options
Diffstat (limited to 'tests/run-make-fulldeps/rustdoc-scrape-examples-macros')
4 files changed, 96 insertions, 0 deletions
diff --git a/tests/run-make-fulldeps/rustdoc-scrape-examples-macros/Makefile b/tests/run-make-fulldeps/rustdoc-scrape-examples-macros/Makefile new file mode 100644 index 000000000..c857aa4b9 --- /dev/null +++ b/tests/run-make-fulldeps/rustdoc-scrape-examples-macros/Makefile @@ -0,0 +1,18 @@ +include ../../run-make-fulldeps/tools.mk + +OUTPUT_DIR := "$(TMPDIR)/rustdoc" +DYLIB_NAME := $(shell echo | $(RUSTC) --crate-name foobar_macro --crate-type dylib --print file-names -) + +all: + $(RUSTC) src/proc.rs --crate-name foobar_macro --edition=2021 --crate-type proc-macro --emit=dep-info,link + + $(RUSTC) src/lib.rs --crate-name foobar --edition=2021 --crate-type lib --emit=dep-info,link + + $(RUSTDOC) examples/ex.rs --crate-name ex --crate-type bin --output $(OUTPUT_DIR) \ + --extern foobar=$(TMPDIR)/libfoobar.rlib --extern foobar_macro=$(TMPDIR)/$(DYLIB_NAME) \ + -Z unstable-options --scrape-examples-output-path $(TMPDIR)/ex.calls --scrape-examples-target-crate foobar + + $(RUSTDOC) src/lib.rs --crate-name foobar --crate-type lib --output $(OUTPUT_DIR) \ + -Z unstable-options --with-examples $(TMPDIR)/ex.calls + + $(HTMLDOCCK) $(OUTPUT_DIR) src/lib.rs diff --git a/tests/run-make-fulldeps/rustdoc-scrape-examples-macros/examples/ex.rs b/tests/run-make-fulldeps/rustdoc-scrape-examples-macros/examples/ex.rs new file mode 100644 index 000000000..4d8c8b30e --- /dev/null +++ b/tests/run-make-fulldeps/rustdoc-scrape-examples-macros/examples/ex.rs @@ -0,0 +1,27 @@ +extern crate foobar; +extern crate foobar_macro; + +use foobar::*; +use foobar_macro::*; + +a_proc_macro!(); // no + +#[an_attr_macro] +fn a() { + f(); // no +} + +#[an_attr_macro(with_span)] +fn b() { + f(); // yes +} + +fn c() { + a_rules_macro!(f()); // yes +} + +fn d() { + a_rules_macro!(()); // no +} + +fn main(){} diff --git a/tests/run-make-fulldeps/rustdoc-scrape-examples-macros/src/lib.rs b/tests/run-make-fulldeps/rustdoc-scrape-examples-macros/src/lib.rs new file mode 100644 index 000000000..d8658a0f2 --- /dev/null +++ b/tests/run-make-fulldeps/rustdoc-scrape-examples-macros/src/lib.rs @@ -0,0 +1,12 @@ +// Scraped example should only include line numbers for items b and c in ex.rs +// @!has foobar/fn.f.html '//*[@class="src-line-numbers"]' '14' +// @has foobar/fn.f.html '//*[@class="src-line-numbers"]' '15' +// @has foobar/fn.f.html '//*[@class="src-line-numbers"]' '21' +// @!has foobar/fn.f.html '//*[@class="src-line-numbers"]' '22' + +pub fn f() {} + +#[macro_export] +macro_rules! a_rules_macro { + ($e:expr) => { ($e, foobar::f()); } +} diff --git a/tests/run-make-fulldeps/rustdoc-scrape-examples-macros/src/proc.rs b/tests/run-make-fulldeps/rustdoc-scrape-examples-macros/src/proc.rs new file mode 100644 index 000000000..46e518fdf --- /dev/null +++ b/tests/run-make-fulldeps/rustdoc-scrape-examples-macros/src/proc.rs @@ -0,0 +1,39 @@ +extern crate proc_macro; +use proc_macro::*; + +#[proc_macro] +pub fn a_proc_macro(_item: TokenStream) -> TokenStream { + "fn ex() { foobar::f(); }".parse().unwrap() +} + +// inserts foobar::f() to the end of the function +#[proc_macro_attribute] +pub fn an_attr_macro(attr: TokenStream, item: TokenStream) -> TokenStream { + let new_call: TokenStream = "foobar::f();".parse().unwrap(); + + let mut tokens = item.into_iter(); + + let fn_tok = tokens.next().unwrap(); + let ident_tok = tokens.next().unwrap(); + let args_tok = tokens.next().unwrap(); + let body = match tokens.next().unwrap() { + TokenTree::Group(g) => { + let new_g = Group::new(g.delimiter(), new_call); + let mut outer_g = Group::new( + g.delimiter(), + [TokenTree::Group(g.clone()), TokenTree::Group(new_g)].into_iter().collect(), + ); + + if attr.to_string() == "with_span" { + outer_g.set_span(g.span()); + } + + TokenTree::Group(outer_g) + } + _ => unreachable!(), + }; + + let tokens = vec![fn_tok, ident_tok, args_tok, body].into_iter().collect::<TokenStream>(); + + tokens +} |