r: update highlights

queries/r/highlights.scm

@@ -17,10 +17,25 @@
 
 (identifier) @variable
 
+((dollar (identifier) @variable.builtin)
+ (#eq? @variable.builtin "self"))
+
+((dollar _ (identifier) @field))
+
+; Parameters
+
 (formal_parameters (identifier) @parameter)
+
 (formal_parameters
  (default_parameter name: (identifier) @parameter))
 
+(default_argument name: (identifier) @parameter)
+
+; Namespace
+
+(namespace_get namespace: (identifier) @namespace)
+(namespace_get_internal namespace: (identifier) @namespace)
+
 ; Operators
 [
  "="
@@ -34,6 +49,7 @@
   "+"
   "!"
   "~"
+  "?"
 ] @operator)
 
 (binary operator: [
@@ -90,7 +106,7 @@
   (nan)
   (na)
   (null)
-] @type.builtin
+] @constant.builtin
 
 [
   "if"
@@ -111,17 +127,18 @@
 
 "function" @keyword.function
 
-(call function: (identifier) @function)
-(default_argument name: (identifier) @parameter)
+; Functions/Methos
 
-(namespace_get function: (identifier) @method)
-(namespace_get_internal function: (identifier) @method)
+(call function: (identifier) @function.call)
 
-(namespace_get namespace: (identifier) @namespace
- "::" @operator)
+(call
+  (namespace_get function: (identifier) @function.call))
 
-(namespace_get_internal namespace: (identifier) @namespace
- ":::" @operator)
+(call
+  (namespace_get_internal function: (identifier) @function.call))
+
+(call
+  function: ((dollar _ (identifier) @method.call)))
 
 ; Error
 (ERROR) @error

tests/query/highlights/r/test.r

@@ -0,0 +1,47 @@
+init <- 1
+# ^ @variable
+#     ^ @operator
+#       ^ @float
+
+r"{(\1\2)}" -> `%r%`
+#  ^ @string
+#    ^ @string.escape
+#           ^ @operator
+#               ^ @variable
+
+
+foo <- c(1L, 2L)
+#      ^ @function.call
+#        ^ @number
+
+b <- list(TRUE, FALSE, NA, Inf)
+#          ^ @boolean
+#                ^ @boolean
+#                      ^ @constant.builtin
+#                           ^ @constant.builtin
+
+b <- list(name = "r", version = R.version$major)
+#          ^ @parameter
+#                 ^ @string
+#                                        ^ @punctuation.special
+#                                           ^ @field
+
+Lang$new(name = "r")$print()
+#     ^ @method.call
+
+for(i in 1:10) {
+# <- @repeat
+#      ^ @keyword
+}
+
+add <- function(a, b = 1, ...) {
+#        ^ @keyword.function
+#               ^ @parameter
+#                  ^ @parameter
+#                         ^ @keyword
+  return(a + b)
+}
+
+base::letters
+# ^ @namespace
+#        ^ @variable