%YAML 1.2
---
# See http://www.sublimetext.com/docs/3/syntax.html
file_extensions:
  - nx
name: LowRes NX
scope: source.lowres-nx
contexts:
  main:
    # Strings
    - match: '"'
      scope: punctuation.definition.string.begin.lowres-nx
      push: double_quoted_string

    # Comments begin with 'REM', # or ' and finish at the end of the line
    - match: '^\s*(REM|#|'')'
      scope: punctuation.definition.comment.lowres-nx
      push: line_comment

    # Keywords
    - match: '\b(ABS|ACOS|ADD|ASC|ASIN|ATAN|ATTR|BG|BIN|BUTTON|CALL|CELL\.A|CELL\.C|CELL|CHAR|CHR|CLS|CLW|COLOR|COPY|COS|DATA|DEC|DIM|DISPLAY|DOWN|DO|ELSE|END|ENVELOPE|EXIT|EXP|FILE|FILES|FILL|FONT|FOR|FSIZE|GAMEPAD|GLOBAL|GOSUB|GOTO|HEX|HCOS|HIT|HSIN|HTAN|IF|INC|INKEY|INPUT|INSTR|INT|KEYBOARD|LEFT|LEN|LET|LFO\.A|LFO|LOAD|LOCATE|LOG|LOOP|MAX|MID|MIN|NEXT|NUMBER|OFF|ON|PALETTE|PAUSE|PEEK|PEEKL|PEEKW|PI|PLAY|POKE|POKEL|POKEW|PRINT|RANDOMIZE|RASTER|READ|REPEAT|RESTORE|RETURN|RIGHT|RND|ROL|ROM|ROR|SAVE|SCROLL\.X|SCROLL\.Y|SCROLL|SGN|SIN|SIZE|SOUND|SOURCE|SPRITE\.A|SPRITE\.C|SPRITE\.X|SPRITE\.Y|SPRITE|SQR|STEP|STOP|STR|SUB|SWAP|SYSTEM|TAN|TAP|TEXT|THEN|TIMER|TO|TOUCH\.X|TOUCH\.Y|TOUCH|TRACE|UNTIL|UP|VAL|VBL|VOLUME|WAIT|WEND|WHILE|WINDOW|PAL|FLIP|PRIO|VIEW|WAVE)\b'
      scope: keyword.control.lowres-nx

    # Numbers
    - match: '\b(-)?[0-9.]+\b'
      scope: constant.numeric.lowres-nx

    # Operators
    - match: '\b(AND|OR|XOR|NOT|MOD)\b'
      scope: keyword.operator.word.lowres-nx
    - match: <\=|>\=|\=|<|>|<>
      scope: keyword.operator.comparison.lowres-nx
    - match: \+|\-|\*|/|\\
      scope: keyword.operator.arithmetic.lowres-nx

    # Punctuation
    - match: ','
      scope: punctuation.separator.lowres-nx

  double_quoted_string:
    - meta_scope: string.quoted.double.lowres-nx
    - match: '\\.'
      scope: constant.character.escape.lowres-nx
    - match: '"'
      scope: punctuation.definition.string.end.lowres-nx
      pop: true

  line_comment:
    - meta_scope: comment.line.lowres-nx
    - match: $
      pop: true