feat: Add Arduino support

.gitmodules

@@ -466,3 +466,9 @@
 	branch = master
 	update = none
 	ignore = dirty
+[submodule "repos/arduino"]
+	path = repos/arduino
+	url = https://github.com/ObserverOfTime/tree-sitter-arduino
+	branch = master
+	update = none
+	ignore = dirty

CHANGELOG.md

@@ -1,6 +1,7 @@
 # Changelog
 
 ## Unreleased
+- Add `Arduino` support
 
 ## 0.12.65 - 2023-10-10
 - Fix `HLSL` highlighting

queries/arduino/highlights.scm

@@ -0,0 +1,111 @@
+; inherits: cpp
+
+((identifier) @function.builtin
+ (#any-of? @function.builtin
+           ; Digital I/O
+           "digitalRead"
+           "digitalWrite"
+           "pinMode"
+           ; Analog I/O
+           "analogRead"
+           "analogReference"
+           "analogWrite"
+           ; Zero, Due & MKR Family
+           "analogReadResolution"
+           "analogWriteResolution"
+           ; Advanced I/O
+           "noTone"
+           "pulseIn"
+           "pulseInLong"
+           "shiftIn"
+           "shiftOut"
+           "tone"
+           ; Time
+           "delay"
+           "delayMicroseconds"
+           "micros"
+           "millis"
+           ; Math
+           "abs"
+           "constrain"
+           "map"
+           "max"
+           "min"
+           "pow"
+           "sq"
+           "sqrt"
+           ; Trigonometry
+           "cos"
+           "sin"
+           "tan"
+           ; Characters
+           "isAlpha"
+           "isAlphaNumeric"
+           "isAscii"
+           "isControl"
+           "isDigit"
+           "isGraph"
+           "isHexadecimalDigit"
+           "isLowerCase"
+           "isPrintable"
+           "isPunct"
+           "isSpace"
+           "isUpperCase"
+           "isWhitespace"
+           ; Random Numbers
+           "random"
+           "randomSeed"
+           ; Bits and Bytes
+           "bit"
+           "bitClear"
+           "bitRead"
+           "bitSet"
+           "bitWrite"
+           "highByte"
+           "lowByte"
+           ; External Interrupts
+           "attachInterrupt"
+           "detachInterrupt"
+           ; Interrupts
+           "interrupts"
+           "noInterrupts"
+           ))
+
+((identifier) @type.builtin
+ (#any-of? @type.builtin
+           "Serial"
+           "SPI"
+           "Stream"
+           "Wire"
+           "Keyboard"
+           "Mouse"
+           "String"
+           ))
+
+((identifier) @constant.builtin
+ (#any-of? @constant.builtin
+           "HIGH"
+           "LOW"
+           "INPUT"
+           "OUTPUT"
+           "INPUT_PULLUP"
+           "LED_BUILTIN"
+           ))
+
+(function_definition
+  (function_declarator
+    declarator: (identifier) @function.builtin)
+  (#any-of? @function.builtin "loop" "setup"))
+
+(call_expression
+  function: (primitive_type) @function.builtin)
+
+(call_expression
+  function: (identifier) @constructor
+  (#any-of? @constructor "SPISettings" "String"))
+
+(declaration
+  (type_identifier) @type.builtin
+  (function_declarator
+    declarator: (identifier) @constructor)
+  (#eq? @type.builtin "SPISettings"))

tree-sitter-langs-build.el

@@ -247,7 +247,8 @@ infrequent (grammar-only changes). It is different from the version of
   "List of suffixes for shared libraries that define tree-sitter languages.")
 
 (defconst tree-sitter-langs--langs-with-deps
-  '( cpp
+  '( arduino
+     cpp
      commonlisp
      hlsl
      glsl

tree-sitter-langs.el

@@ -101,6 +101,7 @@ See `tree-sitter-langs-repos'."
               '((ada-mode               . ada)
                 (agda-mode              . agda)
                 (agda2-mode             . agda)
+                (arduino-mode           . arduino)
                 (fasm-mode              . asm)
                 (masm-mode              . asm)
                 (nasm-mode              . asm)
@@ -220,6 +221,7 @@ Return nil if there are no bundled patterns."
         ;; TODO: Make this less ad-hoc.
         (dolist (sym (cons lang-symbol
                            (pcase lang-symbol
+                             ('arduino    '(cpp c))
                              ('cpp        '(c))
                              ('hlsl       '(cpp c))
                              ('typescript '(javascript))