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* [PATCH v4] userdiff: add built-in pattern for rust
@ 2019-05-21 10:58 marcandre.lureau
  2019-05-21 20:33 ` Johannes Sixt
  0 siblings, 1 reply; 2+ messages in thread
From: marcandre.lureau @ 2019-05-21 10:58 UTC (permalink / raw)
  To: git; +Cc: j6t, Marc-André Lureau, Marc-André Lureau

From: Marc-André Lureau <mlureau@redhat.com>

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@redhat.com>
---
 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
-- 
2.22.0.rc1.1.g079e7d2849.dirty


^ permalink raw reply related	[flat|nested] 2+ messages in thread

* Re: [PATCH v4] userdiff: add built-in pattern for rust
  2019-05-21 10:58 [PATCH v4] userdiff: add built-in pattern for rust marcandre.lureau
@ 2019-05-21 20:33 ` Johannes Sixt
  0 siblings, 0 replies; 2+ messages in thread
From: Johannes Sixt @ 2019-05-21 20:33 UTC (permalink / raw)
  To: marcandre.lureau; +Cc: git, Marc-André Lureau

Am 21.05.19 um 12:58 schrieb marcandre.lureau@redhat.com:
> From: Marc-André Lureau <mlureau@redhat.com>
> 
> 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@redhat.com>

Acked-by: Johannes Sixt <j6t@kdbg.org>

> ---
>  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
> 


^ permalink raw reply	[flat|nested] 2+ messages in thread

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2019-05-21 10:58 [PATCH v4] userdiff: add built-in pattern for rust marcandre.lureau
2019-05-21 20:33 ` Johannes Sixt

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