ron.tmGrammar.json

{
  "scopeName": "source.ron",
  "patterns": [
    { "include": "#expression" }
  ],
  "repository": {
    "expression": {
      "patterns": [
        { "include": "#array" },
        { "include": "#block_comment" },
        { "include": "#constant" },
        { "include": "#dictionary" },
        { "include": "#line_comment" },
        { "include": "#number" },
        { "include": "#object-name" },
        { "include": "#object" },
        { "include": "#string" },
        { "include": "#character" },
        { "include": "#tag-name" }
      ]
    },
    "array": {
      "begin": "\\[",
      "end": "\\]",
      "beginCaptures": {
        "0": { "name": "punctuation.section.array.begin.ron" }
      },
      "endCaptures": {
        "0": { "name": "punctuation.section.array.end.ron" }
      },
      "patterns": [
        { "include": "#value" },
        { "include": "#object-name" },
        { "meta_scope": "meta.structure.array.ron" }
      ]
    },
    "block_comment": {
      "name": "comment.block.ron",
      "begin": "/\\*",
      "end": "\\*/"
    },
    "constant": {
      "match": "\\b(true|false)\\b",
      "name": "constant.language.ron"
    },
    "dictionary": {
      "begin": "\\{",
      "end": "\\}",
      "beginCaptures": {
        "0": { "name": "punctuation.section.dictionary.begin.ron" }
      },
      "endCaptures": {
        "0": { "name": "punctuation.section.dictionary.end.ron" }
      },
      "patterns": [
        { "include": "#value" },
        { "include": "#object-name" },
        { "include": "#object" },
        { "include": "#tag-name" },
        { "match": ",", "name": "punctuation.separator.dictionary.ron" },
        { "match": ":", "name": "punctuation.separator.dictionary.key-value.ron" }
      ]
    },
    "line_comment": {
      "name": "comment.line.double-slash.ron",
      "begin": "//",
      "end": "$"
    },
    "tag-name": {
      "match": "[a-z_][A-Za-z_0-9]*",
      "name": "entity.name.tag.ron"
    },
    "object-name": {
      "match": "[A-Za-z_][A-Za-z_0-9]*",
      "name": "entity.name.class.ron"
    },
    "object": {
      "begin": "\\(",
      "end":  "\\)",
      "beginCaptures": {
        "0": { "name": "punctuation.section.dictionary.begin.ron" }
      },
      "endCaptures": {
        "0": { "name": "punctuation.section.dictionary.end.ron" }
      },
      "patterns": [
        { "include": "#value" },
        { "include": "#dictionary" },
        { "include": "#tag-name" },
        { "include": "#object-name" },
        { "include": "#object" }
      ]
    },
    "number": {
      "match": "(?x:-?(?:0|[1-9]\\d*)(?:(?:\\.\\d+)?(?:[eE][+-]?\\d+)?)?)",
      "name": "constant.numeric.ron"
    },
    "string": {
      "begin": "(b?)(\")",
      "end": "\"",
      "name": "string.quoted.double",
      "patterns": [{ "include": "#escapes" }]
    },
    "character": {
      "begin": "'",
      "end": "'",
      "contentName": "constant.character.ron",
      "name": "string.quoted.single"
    },
    "value": {
      "patterns": [
        { "include": "#array" },
        { "include": "#block_comment" },
        { "include": "#constant" },
        { "include": "#dictionary" },
        { "include": "#line_comment" },
        { "include": "#number" },
        { "include": "#object" },
        { "include": "#string" },
        { "include": "#character" }
      ]
    },
    "escapes": {
      "comment": "escapes: ASCII, byte, Unicode, quote, regex",
      "name": "constant.character.escape.ron",
      "match": "(\\\\)(?:(?:(x[0-7][0-7a-fA-F])|(u(\\{)[\\da-fA-F]{4,6}(\\}))|.))",
      "captures": {
        "1": {
          "name": "constant.character.escape.backslash.ron"
        },
        "2": {
          "name": "constant.character.escape.bit.ron"
        },
        "3": {
          "name": "constant.character.escape.unicode.ron"
        },
        "4": {
          "name": "constant.character.escape.unicode.punctuation.ron"
        },
        "5": {
          "name": "constant.character.escape.unicode.punctuation.ron"
        }
      }
    }
  }
}