%YAML 1.2
---
name: TatML
file_extensions:
  - tatml
  - tml
scope: source.tatml

contexts:
  main:
    - include: comments
    - include: strings
    - include: keywords
    - include: elements
    - include: picots
    - include: numbers
    - include: identifiers
    - include: operators

  comments:
    - match: '//'
      scope: punctuation.definition.comment.tatml
      push:
        - meta_scope: comment.line.double-slash.tatml
        - match: $
          pop: true
    - match: '/\*'
      scope: punctuation.definition.comment.tatml
      push:
        - meta_scope: comment.block.tatml
        - match: '\*/'
          pop: true

  strings:
    - match: '"'
      scope: punctuation.definition.string.begin.tatml
      push:
        - meta_scope: string.quoted.double.tatml
        - match: '\\.'
          scope: constant.character.escape.tatml
        - match: '"'
          scope: punctuation.definition.string.end.tatml
          pop: true

  keywords:
    - match: '\b(pattern|thread|shuttles|repeat|if|reverse_work|join_to_start|import|use|with|connect|to|as)\b'
      scope: keyword.control.tatml
    - match: '\b(prev|current|not_last)\b'
      scope: keyword.other.tatml
    - match: '\b(shuttle1|shuttle2)\b'
      scope: variable.language.tatml

  elements:
    - match: '\b(R|C|SR|MR)\b'
      scope: entity.name.function.tatml

  picots:
    - match: '\b(p|sp|lp|jp)\b'
      scope: constant.language.tatml

  numbers:
    - match: '\b\d+\b'
      scope: constant.numeric.tatml

  identifiers:
    - match: '\b[a-zA-Z_][a-zA-Z0-9_]*\b'
      scope: variable.other.tatml
    - match: '\bpicot\d+\b'
      scope: variable.parameter.tatml

  operators:
    - match: ':'
      scope: punctuation.separator.tatml
    - match: '\.'
      scope: punctuation.accessor.tatml
    - match: ','
      scope: punctuation.separator.tatml
    - match: ';'
      scope: punctuation.terminator.tatml
    - match: '\('
      scope: punctuation.section.parens.begin.tatml
    - match: '\)'
      scope: punctuation.section.parens.end.tatml
    - match: '\{'
      scope: punctuation.section.braces.begin.tatml
    - match: '\}'
      scope: punctuation.section.braces.end.tatml
    - match: '\['
      scope: punctuation.section.brackets.begin.tatml
    - match: '\]'
      scope: punctuation.section.brackets.end.tatml
    - match: 'join'
      scope: support.function.tatml