Hi Konrad Thanks for the patch, this would be a useful addition On 06/10/2020 13:13, Konrad Borowski via GitGitGadget wrote:
From: Konrad Borowski <konrad@xxxxxxxxxxx> This adds a support for macro_rules! keyword which declares a macro. It also includes a test case. Signed-off-by: Konrad Borowski <konrad@xxxxxxxxxxx> --- userdiff: support Rust macros Published-As: https://github.com/gitgitgadget/git/releases/tag/pr-git-865%2Fxfix%2Fuserdiff-macro-rules-rust-v1 Fetch-It-Via: git fetch https://github.com/gitgitgadget/git pr-git-865/xfix/userdiff-macro-rules-rust-v1 Pull-Request: https://github.com/git/git/pull/865 t/t4018/rust-macro-rules | 6 ++++++ userdiff.c | 2 +- 2 files changed, 7 insertions(+), 1 deletion(-) create mode 100644 t/t4018/rust-macro-rules diff --git a/t/t4018/rust-macro-rules b/t/t4018/rust-macro-rules new file mode 100644 index 0000000000..ec610c5b62 --- /dev/null +++ b/t/t4018/rust-macro-rules @@ -0,0 +1,6 @@ +macro_rules! RIGHT { + () => { + // a comment + let x = ChangeMe; + }; +} diff --git a/userdiff.c b/userdiff.c index fde02f225b..f13a913697 100644 --- a/userdiff.c +++ b/userdiff.c @@ -165,7 +165,7 @@ PATTERNS("ruby", "^[ \t]*((class|module|def)[ \t].*)$", "|[-+0-9.e]+|0[xXbB]?[0-9a-fA-F]+|\\?(\\\\C-)?(\\\\M-)?." "|//=?|[-+*/<>%&^|=!]=|<<=?|>>=?|===|\\.{1,3}|::|[!=]~"), PATTERNS("rust", - "^[\t ]*((pub(\\([^\\)]+\\))?[\t ]+)?((async|const|unsafe|extern([\t ]+\"[^\"]+\"))[\t ]+)?(struct|enum|union|mod|trait|fn|impl)[< \t]+[^;]*)$", + "^[\t ]*(((pub(\\([^\\)]+\\))?[\t ]+)?((async|const|unsafe|extern([\t ]+\"[^\"]+\"))[\t ]+)?(struct|enum|union|mod|trait|fn|impl)[< \t]+|macro_rules[\t ]*!)
I think you want the `!` before the `[\t ]`. We could probably get away with just adding `macro-rules!` as another alternative in the group starting with `struct`
Best Wishes Phillip [^;]*)$",
/* -- */ "[a-zA-Z_][a-zA-Z0-9_]*" "|[0-9][0-9_a-fA-Fiosuxz]*(\\.([0-9]*[eE][+-]?)?[0-9_fF]*)?" base-commit: d98273ba77e1ab9ec755576bc86c716a97bf59d7