%YAML 1.2
---
# http://www.sublimetext.com/docs/3/syntax.html
name: fstab
file_extensions:
  - fstab
  - crypttab
  - mtab
scope: source.fstab

contexts:
  main:
    - include: comment
    - match: '^'
      push: fstab_device
      comment: leading spaces

  fstab_device:
    - include: comment
    - match: '\s*([^=\s]+=)([^\s]+)\s*'
      comment: device by uuid or label
      set: fstab_mountpoint
      captures:
        1: punctuation.accessor
        2: keyword.other.device
    - match: '\s*(//|\\\\)([^\s]+)\s*'
      comment: device by samba share
      set: fstab_mountpoint
      captures:
        1: punctuation.accessor
        2: keyword.other.device
    - match: '\s*([^\s]+)(:)([^\s]+)\s*'
      comment: device by server
      set: fstab_mountpoint
      captures:
        1: keyword.other.device
        2: punctuation.accessor
        3: keyword.other.device
    - match: '\s*[^\s/\\]+\s*'
      comment: device by dev name
      set: fstab_mountpoint
      scope: keyword.other.device
    - match: '\s*(/dev/)([^\s]+)\s*'
      comment: device by dev path
      set: fstab_mountpoint
      captures: 
        1: punctuation.accessor
        2: keyword.other.device
    - match: '\s*([^\s/]*/)*([^\s]+)\s*'
      comment: device by unknown path
      set: fstab_mountpoint
      captures:
        1: punctuation.accessor
        2: keyword.other.device
    - include: clear

  fstab_mountpoint:
    - include: comment
    - match: '\s*/[^\s]*\s*'
      comment: mount point
      set: fstab_filesystem
      scope: string.unquoted.mountpoint
    - match: '\s*[^\s]+\s*'
      comment: mount point without leading slash (invalid)
      set: fstab_filesystem
      scope: invalid.illegal
    - include: clear

  fstab_filesystem:
    - include: comment
    - match: '\s*[^\s]+\s*'
      comment: filesystem type
      set: fstab_options
      scope: variable.parameter.filesystem
    - include: clear

  fstab_options:
    - include: comment
    - match: '([^\s,=]+)(=)([^\s,]+)'
      comment: key-value option
      captures:
       1: entity.name.option
       2: entity.other.separator
       3: variable.parameter
    - match: '[^\s,]+'
      comment: flag option
      scope: entity.name.option
    - match: ','
      comment: option separator
      scope: punctuation.separator
    - match: '\s+'
      comment: next field
      set: fstab_dump
    - include: clear

  fstab_dump:
    - include: comment
    - match: '\s*[012]\s*'
      comment: dump field
      scope: constant.numeric
      set: fstab_pass
    - match: '\s*[^\s]+\s*'
      comment: invalid dump field
      scope: invalid.illegal
      set: fstab_pass
    - include: clear

  fstab_pass:
    - include: comment
    - match: '\s*[012]\s*'
      comment: pass field
      scope: constant.numeric
      set: expected_eol
    - match: '\s*[^\s]+\s*'
      comment: invalid pass field
      scope: invalid.illegal
      set: expected_eol
    - include: clear

  expected_eol:
    - include: comment
    - include: clear
    - match: '.*'
      scope: invalid.illegal

  comment:
    - match: '\s*#.*$'
      comment: comment using the number sign
      scope: comment.line

  clear:
    - match: '.*$'
      comment: used for clearing the context
      pop: true