Protobuf.JSON-tmLanguage

{
  "name": "Protocol Buffer",
  "scopeName": "source.proto",
  "fileTypes": ["proto"],
  "repository": {
    "comments": {
      "patterns": [
        {
          "begin": "/\\*",
          "end": "\\*/",
          "name": "comment.block.proto"
        },
        {
          "begin": "//",
          "end": "$\\n?",
          "name": "comment.line.double-slash.proto"
        }
      ]
    },
    "storagetypes": {
      "name": "storage.type.proto",
      "match": "\\b(double|float|int32|int64|uint32|uint64|sint32|sint64|fixed32|fixed64|sfixed32|sfixed64|bool|string|bytes)\\b"
    },
    "enum": {
      "begin": "(enum)(\\s+)([A-Za-z][A-Za-z0-9_]*)(\\s*)(\\{)?",
      "beginCaptures": {
        "1": { "name": "keyword.source.proto" },
        "3": { "name": "entity.name.class.proto" }
      },
      "end": "\\}",
      "patterns": [
        { "include": "#option" },
        { "include": "#comments" },
        {
          "match": "\\b(to|extensions)\\b",
          "name": "keyword.source.proto"
        },
        {
          "match": "([A-Za-z][A-Za-z0-9_]*)(\\s*)(=)(\\s*)([0-9]*)",
          "captures": {
            "1": { "name": "constant.other.proto" },
            "5": { "name": "constant.numeric.proto" }
          }
        }
      ]
    },
    "message": {
      "begin": "(message|extend)(\\s+)([A-Za-z][A-Za-z0-9_.]*)(\\s*)(\\{)?",
      "beginCaptures": {
        "1": { "name": "keyword.source.proto" },
        "3": { "name": "entity.name.class.proto" }
      },
      "end": "\\}",
      "patterns": [
        { "include": "$self" },
        { "include": "#enum" },
        { "include": "#option" },
        { "include": "#comments" },
        { "include": "#oneof" },
        {
          "begin": "(optional|repeated|required|to|extensions)(\\s+)",
          "beginCaptures": {
            "1": { "name": "keyword.source.proto" }
          },
          "end": ";",
          "patterns": [
            { "include": "#storagetypes" },
            {
              "match": "([A-Za-z][A-Za-z0-9_]*)(\\s+)([A-Za-z][A-Za-z0-9_]*)",
              "captures": {
                "1": { "name": "entity.name.class.proto" }
              }
            },
            {
              "match": "(\\s*)(=)(\\s*)([0-9]*)",
              "captures": {
                "4": { "name": "constant.numeric.proto" }
              }
            },
            {
              "begin": "\\[",
              "end": "\\]",
              "patterns": [
                {
                  "match": "default|packed|deprecated|lazy",
                  "name": "keyword.source.proto"
                },
                {
                  "include": "#constants"
                }
              ]
            }
          ]
        }
      ]
    },
    "option": {
      "begin": "(\\b)(option)(\\b)",
      "beginCaptures": {
        "2": {
          "name": "keyword.source.proto"
        }
      },
      "end": ";",
      "patterns": [
        { "include": "#strings" },
        {
          "match": "default|packed|optimize\\_for|java\\_package|java\\_outer\\_classname|go\\_package|deprecated|lazy|\\w+\\_api\\_version",
          "name": "storage.type.proto"
        },
        {
          "match": "(CODE\\_SIZE|SPEED)",
          "name": "constant.language.proto"
        }
      ]
    },
    "constants": {
      "name": "constant.language.proto",
      "match": "\\b(true|false|max)\\b"
    },
    "strings": {
      "begin": "\"",
      "end": "\"",
      "name": "string.quoted.double.proto"
    },
    "oneof": {
      "begin": "(oneof)(\\s+)([A-Za-z][A-Za-z0-9_]*)(\\s*)(\\{)?",
      "beginCaptures": {
        "1": {
          "name": "keyword.source.proto"
        }
      },
      "end": "\\}",
      "patterns": [
        { "include": "#option" },
        { "include": "#comments" },
        {
          "match": "\\b(to|extensions)\\b",
          "name": "keyword.source.proto"
        },
        {
          "match": "([A-Za-z][A-Za-z0-9_]*)(\\s+)([A-Za-z][A-Za-z0-9_]*)(\\s*)(=)(\\s*)([0-9]*)",
          "captures": {
            "1": { "name": "entity.name.class.proto" },
            "7": { "name": "constant.numeric.proto" }
          }
        }
      ]
    },
    "packaging": {
      "match": "(package|import)(?=(\\s+)([\"]?[A-Za-z][A-Za-z0-9_./]*[\"]?)(;))",
      "captures": {
        "1": { "name": "keyword.source.proto" },
        "2": { "name": "entity.name.tag" }
      }
    }
  },
  "patterns": [
    {
      "include": "#comments"
    },
    {
      "include": "#storagetypes"
    },
    {
      "include": "#enum"
    },
    {
      "include": "#message"
    },
    {
      "include": "#option"
    },
    {
      "include": "#constants"
    },
    {
      "include": "#strings"
    },
    {
      "include": "#oneof"
    },
    {
      "include": "#packaging"
    },
    {
      "name": "constant.numeric.proto",
      "match": "\\b((0(x|X)[0-9a-fA-F]*)|(([0-9]+\\.?[0-9]*)|(\\.[0-9]+))((e|E)(\\+|-)?[0-9]+)?)\\b"
    }
  ],
  "uuid": "750ac1f3-b172-48de-b1a4-a3c310c4a293"
}