Am 21.05.19 um 12:58 schrieb marcandre.lureau@xxxxxxxxxx:
> From: Marc-André Lureau <mlureau@xxxxxxxxxx>
>
> This adds xfuncname and word_regex patterns for Rust, a quite
> popular programming language. It also includes test cases for the
> xfuncname regex (t4018) and updated documentation.
>
> The word_regex pattern finds identifiers, integers, floats and
> operators, according to the Rust Reference Book.
>
> Signed-off-by: Marc-André Lureau <marcandre.lureau@xxxxxxxxxx>
Acked-by: Johannes Sixt <j6t@xxxxxxxx>
> ---
> Documentation/gitattributes.txt | 2 ++
> t/t4018-diff-funcname.sh | 1 +
> t/t4018/rust-fn | 5 +++++
> t/t4018/rust-impl | 5 +++++
> t/t4018/rust-nested-fn | 6 ++++++
> t/t4018/rust-struct | 5 +++++
> t/t4018/rust-trait | 5 +++++
> t/t4018/rust-trait-default | 8 ++++++++
> t/t4018/rust-unsafe | 6 ++++++
> userdiff.c | 6 ++++++
> 10 files changed, 49 insertions(+)
> create mode 100644 t/t4018/rust-fn
> create mode 100644 t/t4018/rust-impl
> create mode 100644 t/t4018/rust-nested-fn
> create mode 100644 t/t4018/rust-struct
> create mode 100644 t/t4018/rust-trait
> create mode 100644 t/t4018/rust-trait-default
> create mode 100644 t/t4018/rust-unsafe
>
> diff --git a/Documentation/gitattributes.txt b/Documentation/gitattributes.txt
> index 4fb20cd0e9..07da08fb27 100644
> --- a/Documentation/gitattributes.txt
> +++ b/Documentation/gitattributes.txt
> @@ -833,6 +833,8 @@ patterns are available:
>
> - `ruby` suitable for source code in the Ruby language.
>
> +- `rust` suitable for source code in the Rust language.
> +
> - `tex` suitable for source code for LaTeX documents.
>
>
> diff --git a/t/t4018-diff-funcname.sh b/t/t4018-diff-funcname.sh
> index 22f9f88f0a..9261d6d3a0 100755
> --- a/t/t4018-diff-funcname.sh
> +++ b/t/t4018-diff-funcname.sh
> @@ -43,6 +43,7 @@ diffpatterns="
> php
> python
> ruby
> + rust
> tex
> custom1
> custom2
> diff --git a/t/t4018/rust-fn b/t/t4018/rust-fn
> new file mode 100644
> index 0000000000..cbe02155f1
> --- /dev/null
> +++ b/t/t4018/rust-fn
> @@ -0,0 +1,5 @@
> +pub(self) fn RIGHT<T>(x: &[T]) where T: Debug {
> + let _ = x;
> + // a comment
> + let a = ChangeMe;
> +}
> diff --git a/t/t4018/rust-impl b/t/t4018/rust-impl
> new file mode 100644
> index 0000000000..09df3cd93b
> --- /dev/null
> +++ b/t/t4018/rust-impl
> @@ -0,0 +1,5 @@
> +impl<'a, T: AsRef<[u8]>> std::RIGHT for Git<'a> {
> +
> + pub fn ChangeMe(&self) -> () {
> + }
> +}
> diff --git a/t/t4018/rust-nested-fn b/t/t4018/rust-nested-fn
> new file mode 100644
> index 0000000000..ca5cca3292
> --- /dev/null
> +++ b/t/t4018/rust-nested-fn
> @@ -0,0 +1,6 @@
> +fn foo() {
> + fn RIGHT() {
> + // must catch nested function
> + ChangeMe;
> + }
> +}
> diff --git a/t/t4018/rust-struct b/t/t4018/rust-struct
> new file mode 100644
> index 0000000000..76aff1c0d8
> --- /dev/null
> +++ b/t/t4018/rust-struct
> @@ -0,0 +1,5 @@
> +#[derive(Debug)]
> +pub(super) struct RIGHT<'a> {
> + name: &'a str,
> + age: ChangeMe,
> +}
> diff --git a/t/t4018/rust-trait b/t/t4018/rust-trait
> new file mode 100644
> index 0000000000..ea397f09ed
> --- /dev/null
> +++ b/t/t4018/rust-trait
> @@ -0,0 +1,5 @@
> +unsafe trait RIGHT<T> {
> + fn len(&self) -> u32;
> + fn ChangeMe(&self, n: u32) -> T;
> + fn iter<F>(&self, f: F) where F: Fn(T);
> +}
> diff --git a/t/t4018/rust-trait-default b/t/t4018/rust-trait-default
> new file mode 100644
> index 0000000000..e667d22ca4
> --- /dev/null
> +++ b/t/t4018/rust-trait-default
> @@ -0,0 +1,8 @@
> +trait RIGHT {
> +
> + fn new(name: &'static str) -> Self;
> +
> + fn ChangeMe(&self) {
> + // should skip "new", and return trait name
> + }
> +}
> diff --git a/t/t4018/rust-unsafe b/t/t4018/rust-unsafe
> new file mode 100644
> index 0000000000..fd4661a934
> --- /dev/null
> +++ b/t/t4018/rust-unsafe
> @@ -0,0 +1,6 @@
> +unsafe fn RIGHT(inc: u32) {
> + unsafe {
> + // don't catch unsafe block
> + ChangeMe += inc;
> + }
> +}
> diff --git a/userdiff.c b/userdiff.c
> index 3a78fbf504..2bcf105caf 100644
> --- a/userdiff.c
> +++ b/userdiff.c
> @@ -130,6 +130,12 @@ PATTERNS("ruby", "^[ \t]*((class|module|def)[ \t].*)$",
> "(@|@@|\\$)?[a-zA-Z_][a-zA-Z0-9_]*"
> "|[-+0-9.e]+|0[xXbB]?[0-9a-fA-F]+|\\?(\\\\C-)?(\\\\M-)?."
> "|//=?|[-+*/<>%&^|=!]=|<<=?|>>=?|===|\\.{1,3}|::|[!=]~"),
> +PATTERNS("rust",
> + "^[\t ]*((pub(\\([^\\)]+\\))?[\t ]+)?((async|const|unsafe|extern([\t ]+\"[^\"]+\"))[\t ]+)?(struct|enum|union|mod|trait|fn|impl)[< \t]+[^;]*)$",
> + /* -- */
> + "[a-zA-Z_][a-zA-Z0-9_]*"
> + "|[0-9][0-9_a-fA-Fiosuxz]*(\\.([0-9]*[eE][+-]?)?[0-9_fF]*)?"
> + "|[-+*\\/<>%&^|=!:]=|<<=?|>>=?|&&|\\|\\||->|=>|\\.{2}=|\\.{3}|::"),
> PATTERNS("bibtex", "(@[a-zA-Z]{1,}[ \t]*\\{{0,1}[ \t]*[^ \t\"@',\\#}{~%]*).*$",
> "[={}\"]|[^={}\" \t]+"),
> PATTERNS("tex", "^(\\\\((sub)*section|chapter|part)\\*{0,1}\\{.*)$",
>
> base-commit: aa25c82427ae70aebf3b8f970f2afd54e9a2a8c6
>
