# Syntax Highlighting for the Western Design Center toolchain directives

scopeName: 'source.wdc-directives'

patterns: [
  { include: '#comments' }
  { include: '#symbols' }   # symbols, constants, numbers
  { include: '#directives' }
]

# Repository starts here ------------------------------------------------------
repository:

  # comments
  comments:
    patterns: [
      # semicolon comments
      {
        match:  ';.*$'
        name:   'comment.line.semicolon.wdc-toolchain'
      }
    ]

  # symbols
  symbols:
    patterns: [
      # strings
      {
        begin: '"'
        beginCaptures:
          0:
            name: 'punctuation.definition.string.begin.wdc-toolchain'
        end: '"'
        endCaptures:
          0:
            name: 'punctuation.definition.string.end.wdc-toolchain'
        name: 'string.quoted.double.wdc-toolchain'
      }
      # absolut addressing/numbers
      {
        match: '\\#(\'.\'|[^\\s\']+)'
        name: 'constant.numeric.hex.wdc-toolchain'
      }
      # hex, prefixed with dollar sign($)
      {
        match: '-?\\$\\b[a-fA-F0-9]+\\b'
        name: 'constant.numeric.hex.wdc-toolchain'
      }
      # hex, suffixed with h(h)
      {
        match: '-?\\b([a-fA-F0-9]+)h'
        name: 'constant.numeric.hex.wdc-toolchain'
      }
      # binary prefixed with %
      {
        match: '%[01]+'
        name: 'constant.numeric.binary.wdc-toolchain'
      }
      # binary suffixed with B
      {
        match: '[01]+(?i:b)'
        name: 'constant.numeric.binary.wdc-toolchain'
      }
      # octal and decimal
      {
        match: '\\b([0-9]+[doq]?)\\b'
        name: 'constant.numeric.decimal.wdc-toolchain'
      }
    ]

  # assembler directives
  directives:
    patterns: [
      # File and Symbol control
      {
        match:  '\\b(?i:append|include|insert|end(s|mod)?|exit|module|section|ref_only|org|origin|equ(al)?|gequ|defl|set|var|extern(al|s)?|xref|globals?|public|xdef|message|messg|efunc|incdebug)\\b'
        name:   'support.function.pseudo.wdc-toolchain'
      }
      # Parsing control
      {
        match:  '\\b(?i:case|chip|chkimmed|comment|dbreg|dpage|long[ai]|radix|spaces|llchar|bit7|mask|squote|twochar|asc(ii)?|fcc|date|da|d?byte|d(ef)?b|fcb|string|dc|d(ef)?w|fdb|l?word|dl|longw?|blk[blw]|defs|ds(a|b|l|w)?|rmb|apwdc|float|double)\\b'
        name:   'support.function.pseudo.wdc-toolchain'
      }
      # Macro control
      {
        match:  '\\b(?i:macro|endm|macend|argchk|macfirst|macdelim|macexit|ifma|ifnma|rept|endr)\\b'
        name:   'support.function.pseudo.wdc-toolchain'
      }
      # Conditional control
      {
        match:  '\\b(?i:end(c|if)?|cond|ifn?(false|true|z|abs|rel|def|diff|same|ext|page0)?|if(long|short)[ai]|ifmatch|else)\\b'
        name:   'keyword.control.conditional.wdc-toolchain'
      }
      # Listing control
      {
        match:  '\\b(?i:pl|pw|top|heading|nam|title|s?ttl|subtitle|subttl|eject|page?|(no?)?list|(inc|asc|cond|m(ac)?|mn)list|pass1)\\b'
        name:   'support.function.pseudo.wdc-toolchain'
      }
      # Pre-defined sections
      {
        match:  '\\b(?i:page0|code|(k|u)?data)\\b'
        name:   'constant.other.wdc-toolchain'
      }
      # Operators
      {
        match:  '!|\\+|\\-|\\/|\\*|<<|>>|&|\\||\\^|=|<|>|\\:|\\|\\|'
        name:   'keyword.operator.wdc-toolchain'
      }
      # Operators II
      {
        match:  '\\.\\b(?i:and|not|mod|sh[lr]|x?or|eq|u?[gl]t)\\b\\.'
        name:   'keyword.operator.wdc-toolchain'
      }
    ]