{
  "name": "RUNOFF",
  "scopeName": "text.runoff",
  "fileTypes": [
    "rnb",
    "rnc",
    "rnd",
    "rne",
    "rnh",
    "rnl",
    "rnm",
    "rno",
    "rnp",
    "rns",
    "rnt",
    "rnx",
    "run"
  ],
  "patterns": [
    {
      "include": "#main"
    }
  ],
  "repository": {
    "main": {
      "patterns": [
        {
          "include": "#comment"
        },
        {
          "include": "#underline"
        },
        {
          "include": "#commands"
        },
        {
          "include": "#special-characters"
        }
      ]
    },
    "comment": {
      "name": "comment.line.runoff",
      "begin": "^\\.[!*~]",
      "end": "$",
      "beginCaptures": {
        "0": {
          "name": "punctuation.definition.comment.runoff"
        }
      }
    },
    "underline": {
      "name": "markup.underline.link.runoff",
      "match": "[^_]\b(?=_)|(?<=_)\b[^_]"
    },
    "arguments": {
      "patterns": [
        {
          "name": "constant.numeric.runoff",
          "match": "[-+]?\\d+(?:\\.\\d+)?"
        },
        {
          "name": "punctuation.separator.comma.runoff",
          "match": ","
        },
        {
          "name": "string.quoted.runoff",
          "begin": "\"",
          "end": "\"",
          "beginCaptures": {
            "0": {
              "name": "punctuation.definition.string.begin.runoff"
            }
          },
          "endCaptures": {
            "0": {
              "name": "punctuation.definition.string.end.runoff"
            }
          }
        },
        {
          "name": "variable.parameter.runoff",
          "match": "(?!\\.)([^\\s;,]+)",
          "captures": {
            "0": {
              "name": "string.unquoted.runoff"
            },
            "1": {
              "patterns": [
                {
                  "include": "#name-innards"
                }
              ]
            }
          }
        }
      ]
    },
    "commands": {
      "name": "meta.control-line.runoff",
      "begin": "^\f*(?=\\.)",
      "end": "$|;(?!\\.)",
      "endCaptures": {
        "0": {
          "name": "punctuation.terminator.statement.runoff"
        }
      },
      "patterns": [
        {
          "name": "comment.line.runoff",
          "begin": "!",
          "end": "$",
          "beginCaptures": {
            "0": "punctuation.definition.comment.runoff"
          }
        },
        {
          "name": "meta.condition.runoff",
          "begin": "(?i)(?:^|(?<=;))((\\.)(?:IF|ELSE|ENDIF))(?=$|\\s|;)",
          "end": "$|(;)|(?=!)",
          "beginCaptures": {
            "1": {
              "name": "keyword.control.runoff"
            },
            "2": {
              "name": "punctuation.definition.function.runoff"
            }
          },
          "endCaptures": {
            "1": {
              "name": "punctuation.terminator.statement.runoff"
            }
          },
          "patterns": [
            {
              "include": "#arguments"
            }
          ]
        },
        {
          "contentName": "markup.raw.runoff",
          "begin": "(?i)((\\.)LITERAL\\s*)(?:$|\\n)",
          "end": "(?i)((\\.)END\\s+LITERAL)\\b",
          "beginCaptures": {
            "0": {
              "name": "keyword.function.name.runoff"
            },
            "1": {
              "name": "entity.name.function.runoff"
            },
            "2": {
              "name": "punctuation.definition.function.runoff"
            }
          },
          "endCaptures": {
            "0": {
              "name": "keyword.function.name.runoff"
            },
            "1": {
              "name": "entity.name.function.runoff"
            },
            "2": {
              "name": "punctuation.definition.function.runoff"
            }
          }
        },
        {
          "contentName": "markup.raw.runoff",
          "begin": "(?i)((\\.)LIT)\\s*(?:$|\\n)",
          "end": "(?i)^(?=\\.EL(?:$|[\\s;!]))",
          "beginCaptures": {
            "0": {
              "name": "keyword.function.name.runoff"
            },
            "1": {
              "name": "entity.name.function.runoff"
            },
            "2": {
              "name": "punctuation.definition.function.runoff"
            }
          }
        },
        {
          "name": "meta.function.debugging-comment.runoff",
          "begin": "(?i)((\\.)COMMENT)\\b",
          "end": "$|(;)|(?=!)",
          "contentName": "string.unquoted.runoff",
          "beginCaptures": {
            "0": {
              "name": "keyword.function.name.runoff"
            },
            "1": {
              "name": "entity.name.function.runoff"
            },
            "2": {
              "name": "punctuation.definition.function.runoff"
            }
          },
          "endCaptures": {
            "1": {
              "name": "punctuation.terminator.statement.runoff"
            }
          }
        },
        {
          "name": "meta.function.runoff",
          "begin": "(?i)((\\.)(?:END\\s+)?([^;\\s\\-+]+))",
          "end": "(?x)\n$               | # EOL\n(;)?\\s*(?=\\.) | # Followed by another command\n(?=;\\s*[^.])     # No more commands, don’t highlight trailing text as arguments",
          "patterns": [
            {
              "include": "#arguments"
            }
          ],
          "beginCaptures": {
            "0": {
              "name": "keyword.function.name.runoff"
            },
            "1": {
              "name": "entity.name.function.runoff"
            },
            "2": {
              "name": "punctuation.definition.function.runoff"
            },
            "3": {
              "patterns": [
                {
                  "include": "#name-innards"
                }
              ]
            }
          },
          "endCaptures": {
            "1": {
              "name": "punctuation.terminator.statement.runoff"
            }
          }
        }
      ]
    },
    "name-innards": {
      "patterns": [
        {
          "include": "#special-characters"
        },
        {
          "match": "\\.",
          "name": "punctuation.delimiter.period.full-stop.runoff"
        },
        {
          "match": "\\,",
          "name": "punctuation.separator.comma.runoff"
        },
        {
          "match": "\\d+(?=$|\\n|,|\\.(?!\\d))",
          "name": "constant.numeric.runoff"
        }
      ]
    },
    "special-characters": {
      "patterns": [
        {
          "name": "constant.character.escape.special-character.runoff",
          "match": "(_)[!^\\\\#&_.]",
          "captures": {
            "1": {
              "name": "punctuation.definition.escape.runoff"
            }
          }
        },
        {
          "name": "keyword.operator.end-footnote.runoff",
          "match": "^!"
        },
        {
          "name": "constant.character.escape.uppercase.runoff",
          "match": "\\^{1,2}",
          "captures": {
            "0": {
              "name": "punctuation.definition.escape.runoff"
            }
          }
        },
        {
          "name": "constant.character.escape.lowercase.runoff",
          "match": "\\\\{1,2}",
          "captures": {
            "0": {
              "name": "punctuation.definition.escape.runoff"
            }
          }
        },
        {
          "match": "(&)([!^\\\\#&_.]*)(\\S+)",
          "captures": {
            "1": {
              "name": "punctuation.definition.entity.runoff"
            },
            "2": {
              "patterns": [
                {
                  "include": "#special-characters"
                }
              ]
            },
            "3": {
              "name": "markup.underline.link.runoff"
            }
          }
        },
        {
          "name": "constant.character.escape.space.runoff",
          "match": "#",
          "captures": {
            "0": {
              "name": "punctuation.definition.escape.runoff"
            }
          }
        }
      ]
    }
  }
}