userdiff: add support for R programming language
Add userdiff patterns to support R programming language. Also, add three userdiff tests for R programming language files. These files define simple function and nested function, with and without indentation. Signed-off-by: Rodrigo Carvalho <rodrigorsdc@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
Rodrigo Carvalho committed
May 29, 2025 at 19:16 UTC
1d9526df8d6ebe69efc54ade9d4ed2317342fdba
4 files changed
+26
t/t4018/r-indent
+6
new file mode 100644
index 0000000000..9df440f2a4
--- /dev/null
+++ b/t/t4018/r-indent
@@ -0,0 +1,6 @@
+RIGHT <- function(a, b) {
+ c = mean(a, b)
+ d = c + 2
+ ChangeMe()
+ return (d)
+}
t/t4018/r-indent-nested
+10
new file mode 100644
index 0000000000..30412e6c79
--- /dev/null
+++ b/t/t4018/r-indent-nested
@@ -0,0 +1,10 @@
+LEFT = function(a, b) {
+ c = mean(a, b)
+ RIGHT = function(d, e) {
+ f = var(d, e)
+ g = f + 1
+ ChangeMe()
+ return (g)
+ }
+ return (RIGHT(2, 3))
+}
t/t4018/r-noindent
+6
new file mode 100644
index 0000000000..6d9b01ffe3
--- /dev/null
+++ b/t/t4018/r-noindent
@@ -0,0 +1,6 @@
+RIGHT <- function(a, b) {
+c = mean(a, b)
+d = c + 2
+ChangeMe()
+return (c)
+}
userdiff.c
+4
index 05776ccd10..fe710a68bf 100644
--- a/userdiff.c
+++ b/userdiff.c
@@ -327,6 +327,10 @@ PATTERNS("python",
"|[-+0-9.e]+[jJlL]?|0[xX]?[0-9a-fA-F]+[lL]?"
"|[-+*/<>%&^|=!]=|//=?|<<=?|>>=?|\\*\\*=?"),
/* -- */
+PATTERNS("r",
+ "^[ \t]*([a-zA-z][a-zA-Z0-9_.]*[ \t]*(<-|=)[ \t]*function.*)$",
+ /* -- */
+ "[^ \t]+"),
PATTERNS("ruby",
"^[ \t]*((class|module|def)[ \t].*)$",
/* -- */