---
name: Context Free
fileTypes:
- cfdg
- context free
scopeName: source.context-free
repository:
  rule-directive:
    endCaptures:
      '1':
        name: punctuation.section.rule.end.cfdg
    begin: "\\b(rule)\\s++([a-zA-Z_][a-zA-Z_\\.\\d]*+)(\\s++(((\\d++)?(\\.))?\\d++))?"
    beginCaptures:
      '7':
        name: punctuation.separator.integer-float.cfdg
      '1':
        name: keyword.control.rule.cfdg
      '2':
        name: entity.name.function.rule.definition.cfdg
      '4':
        name: constant.numeric.cfdg
    end: "(\\})"
    patterns:
    - include: "#rule"
    - include: "#comment"
  color-adjustment-block:
    patterns:
    - begin: "(\\{)"
      beginCaptures:
        '1':
          name: punctuation.section.unordered-block.begin.cfdg
      end: "(?=\\})"
      patterns:
      - include: "#color-adjustment"
      - include: "#number"
      - include: "#comment"
    - begin: "(\\[)"
      beginCaptures:
        '1':
          name: punctuation.section.ordered-block.begin.cfdg
      end: "(?=\\])"
      patterns:
      - include: "#color-adjustment"
      - include: "#number"
      - include: "#comment"
  color-adjustment:
    name: constant.language.color-adjustment.cfdg
    match: "\\||\\b(h(ue)?|sat(uration)?|b(rightness)?|a(lpha)?)\\b"
  number:
    name: constant.numeric.cfdg
    captures:
      '1':
        name: keyword.operator.sign.cfdg
      '4':
        name: punctuation.separator.integer-float.cfdg
    match: "(\\+|\\-)?((\\d++)?(\\.))?\\d++"
  shape-adjustment-block:
    patterns:
    - begin: "(\\{)"
      beginCaptures:
        '1':
          name: punctuation.section.unordered-block.begin.cfdg
      end: "(?=\\})"
      patterns:
      - include: "#color-adjustment"
      - include: "#geometry-adjustment"
      - include: "#number"
      - include: "#comment"
    - begin: "(\\[)"
      beginCaptures:
        '1':
          name: punctuation.section.ordered-block.begin.cfdg
      end: "(?=\\])"
      patterns:
      - include: "#color-adjustment"
      - include: "#geometry-adjustment"
      - include: "#number"
      - include: "#comment"
  startshape-directive:
    captures:
      '1':
        name: keyword.control.startshape.cfdg
      '2':
        name: entity.name.function.rule.cfdg
    match: "\\b(startshape)\\s++([a-zA-Z_][a-zA-Z_\\.\\d]*+)"
  background-directive:
    endCaptures:
      '1':
        name: punctuation.section.unordered-block.end.cfdg
      '2':
        name: punctuation.section.ordered-block.end.cfdg
    begin: "\\b(background)"
    beginCaptures:
      '1':
        name: keyword.control.background.cfdg
    end: "(\\})|(\\])"
    patterns:
    - include: "#color-adjustment-block"
    - include: "#comment"
  shape-replacement:
    endCaptures:
      '1':
        name: punctuation.section.unordered-block.end.cfdg
      '2':
        name: punctuation.section.ordered-block.end.cfdg
    begin: "([a-zA-Z_][a-zA-Z_\\.\\d]*+)"
    beginCaptures:
      '1':
        name: entity.name.function.rule.cfdg
    end: "(\\})|(\\])"
    patterns:
    - include: "#shape-adjustment-block"
    - include: "#comment"
  loop:
    endCaptures:
      '1':
        name: punctuation.section.unordered-block.end.cfdg
      '2':
        name: punctuation.section.ordered-block.end.cfdg
    begin: "(\\d++)\\s*+(\\*)"
    beginCaptures:
      '1':
        name: constant.numeric.cfdg
      '2':
        name: keyword.operator.loop.cfdg
    end: "(\\})|(\\])"
    patterns:
    - include: "#shape-adjustment-block"
    - include: "#comment"
  geometry-adjustment:
    name: constant.language.geometry-adjustment.cfdg
    match: "\\b(x|y|z|s(ize)?|r(ot(ate)?)?|f(lip)?|skew)\\b"
  comment:
    patterns:
    - name: comment.line.cfdg
      begin: "(//|#)"
      beginCaptures:
        '1':
          name: punctuation.definition.comment.cfdg
      end: "$\\n?"
    - name: comment.block.cfdg
      endCaptures:
        '1':
          name: punctuation.definition.comment.end.cfdg
      begin: "(/\\*)"
      beginCaptures:
        '1':
          name: punctuation.definition.comment.begin.cfdg
      end: "(\\*/)"
  rule:
    begin: "(\\{)"
    beginCaptures:
      '1':
        name: punctuation.section.rule.begin.cfdg
    end: "(?=\\})"
    patterns:
    - include: "#loop"
    - include: "#shape-replacement"
    - include: "#comment"
  include-directive:
    captures:
      '1':
        name: keyword.control.include.cfdg
      '2':
        name: string.unquoted.file-name.cfdg
    match: "\\b(include)\\s++(\\S++)"
uuid: 8D0EE5A2-FB60-40F8-8D0F-1E1FFB506462
foldingStartMarker: "[\\{\\[]\\s*$"
patterns:
- include: "#comment"
- include: "#startshape-directive"
- include: "#include-directive"
- include: "#background-directive"
- include: "#rule-directive"
foldingStopMarker: "^\\s*[\\}\\]]"
keyEquivalent: "^~C"