Initial class construction

Git/usr/share/vim/vim81/syntax/arduino.vim

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+" Vim syntax file
+" Language:    Arduino
+" Maintainer:  Johannes Hoff <johannes@johanneshoff.com>
+" Last Change: 2011 June 3
+" License:     VIM license (:help license, replace vim by arduino.vim)
+
+" Syntax highlighting like in the Arduino IDE
+" Keywords extracted from <arduino>/build/shared/lib/keywords.txt (arduino
+" version 0021)
+
+" Thanks to Rik, Erik Nomitch, Adam Obeng and Graeme Cross for helpful feedback!
+
+" quit when a syntax file was already loaded
+if exists("b:current_syntax")
+  finish
+endif
+
+" Read the C syntax to start with
+runtime! syntax/cpp.vim
+
+syn keyword arduinoConstant HIGH LOW INPUT OUTPUT
+syn keyword arduinoConstant DEC BIN HEX OCT BYTE
+syn keyword arduinoConstant PI HALF_PI TWO_PI
+syn keyword arduinoConstant LSBFIRST MSBFIRST 
+syn keyword arduinoConstant CHANGE FALLING RISING 
+syn keyword arduinoConstant SERIAL DISPLAY
+syn keyword arduinoConstant DEFAULT EXTERNAL INTERNAL INTERNAL1V1 INTERNAL2V56
+
+syn keyword arduinoStdFunc abs acos asin atan atan2 ceil constrain
+syn keyword arduinoStdFunc cos degrees exp floor log
+syn keyword arduinoStdFunc map max min pow radians 
+syn keyword arduinoStdFunc round sin sq sqrt tan
+syn keyword arduinoStdFunc randomSeed random
+
+syn keyword arduinoFunc analogReference analogRead analogWrite 
+syn keyword arduinoFunc attachInterrupt detachInterrupt interrupts noInterrupts 
+syn keyword arduinoFunc lowByte highByte bitRead bitWrite bitSet bitClear
+syn keyword arduinoFunc millis micros delay delayMicroseconds 
+syn keyword arduinoFunc pinMode digitalWrite digitalRead 
+syn keyword arduinoFunc tone noTone pulseIn shiftOut 
+
+syn keyword arduinoMethod setup loop
+syn keyword arduinoMethod begin end available read flush print println write peek
+
+syn keyword arduinoType boolean byte word String 
+
+syn keyword arduinoModule Serial Serial1 Serial2 Serial3
+
+hi def link arduinoType Type
+hi def link arduinoConstant Constant
+hi def link arduinoStdFunc Function
+hi def link arduinoFunc Function
+hi def link arduinoMethod Function
+hi def link arduinoModule Identifier