%YAML 1.2
---
# http://www.sublimetext.com/docs/3/syntax.html
name: ORCA/Integer BASIC
file_extensions:
  - bas
scope: source.integer-basic.orca
contexts:
  main:
    - match: ^\s*\d+
      scope: entity.name.function
    - match: '\b(?i:call)\s+([A-Za-z0-9_~]+)'
      scope: meta.function.call
      captures:
        0: keyword.control
        1: support.function

    - match: '"'
      scope: punctuation.definition.string.begin
      push:
        - meta_scope: string.quoted.double
        - match: '"'
          scope: punctuation.definition.string.end
          pop: true

    - match: \b(?i:rem)\b
      push:
        - meta_scope: comment.line
        - match: '\n'
          pop: true

    - match: \d+
      scope: constant.numeric
    - match: \b(?i:CALL|END|FOR|GOSUB|GOTO|IF|NEXT|POP|RETURN|STEP|THEN|TO)\b
      scope: keyword.control
    - match: \b(?i:DIM|LET)\b
      scope: keyword.variable
    - match: \b(?i:INPUT|PRINT|TAB|TEXT|TEXT80|VTAB)\b
      scope: keyword.io
    - match: \b(?i:ABS|RND|SGN)\b
      scope: support.function.arithmetic
    - match: \b(?i:ASC|LEN)\b
      scope: support.function.string
    - match: \b(?i:AT|COLOR|GR|HGR|HLIN|PLOT|VLIN)\b
      scope: keyword.graphics
    - match: \b(?i:SCRN)\b
      scope: support.function.graphics
    - match: \b(?i:PDL)\b
      scope: support.function.io
    - match: \b(?i:AND|OR|NOT)\b
      scope: keyword.operator.logical
    - match: \b(?i:MOD)\b
      scope: keyword.operator.mathematical
    - match: '[A-Za-z][A-Za-z0-9]*\$?'
      scope: variable