{
  "displayName":    "Golang",
  "name":           "go",
  "mimeTypes":      ["text/go"],
  "fileExtensions": ["go"],
  
  "lineComment":      "//",   
  "blockCommentStart": "/*",
  "blockCommentEnd":   "*/",

  "keywords": [
    "func", "var", "make", "go", "for", "if", "int", "uint"
  ],

  "extraKeywords": [],

  "typeKeywords": [
    "int", "uint"
  ],

  "extraTypeKeywords": [],

  "directives": [],

  "operators": [
    "=", ">", "<", "!", "~", "?", ":", 
    "==", "<=", ">=", "!=", "&&", "||", "++", "--", 
    "+", "-", "*", "/", "&", "|", "^", "%", "<<", 
    ">>", ">>>", "+=", "-=", "*=", "/=", "&=", "|=", 
    "^=", "%=", "<<=", ">>=", ">>>="
  ],

  "extraOperators": [],

  "symbols":  "[=><!~?:&|+\\-*\\/\\^%]+",
  "escapes":  "\\\\(?:[abfnrtv\\\\\"']|x[0-9A-Fa-f]{1,4}|u[0-9A-Fa-f]{4}|U[0-9A-Fa-f]{8})",
    
  
  "tokenizer": {
    "root": [

      ["__\\w+", "identifier.predefined"],
      ["\\w+::(?=\\w)", "namespace" ],
      ["(namespace)(\\s*)((?:\\w+::)*\\w+)", ["keyword","white","namespace"] ],
      
      ["[a-z_$][\\w]*",  { "cases": { 
        "@typeKeywords": "keyword.type",
        "@extraTypeKeywords": "keyword.type.extra",
        "@keywords": "keyword",
        "@extraKeywords": "keyword.extra",
        "@default": "identifier" } }],
      ["(\\.|\\->)([A-Z][\\w]*)", ["keyword", "identifier"] ],  
      ["[A-Z][\\w]*(?!\\s*[\\w\\(])", "type.identifier" ], 
      ["[A-Z][A-Z0-9_]*(?![\\w\\(])", "type.identifier" ],
      
      
      ["^(\\s*#)(\\w+)(.*)", { "cases": {
          "$2@directives": ["namespace","namespace","string"],
          "@default": ["meta","meta","string"]
      }}],
            
      { "include": "@whitespace" },
            
      ["[{}()\\[\\]]", "@brackets"],
      ["[<>](?!@symbols)", "@brackets"],
      ["@symbols", { "cases": { 
        "@operators": "operator", 
        "@extraOperators": "operator.extra", 
        "@default"  : "" } } ],
      
      ["\\d*\\.\\d+([eE][\\-+]?\\d+)?[fFdD]?", "number.float"],
      ["0[xX][0-9a-fA-F_]*[0-9a-fA-F][Ll]?", "number.hex"],
      ["0[0-7_]*[0-7][Ll]?", "number.octal"],
      ["0[bB][0-1_]*[0-1][Ll]?", "number.binary"],
      ["\\d+[lL]?", "number"],

      
      ["[;,.]", "delimiter"],
      
      
      ["[lL]\"([^\"\\\\]|\\\\.)*$", "string.invalid" ],  
      ["\"",  "string", "@string" ],
      
      
      ["'[^\\\\']'", "string"],
      ["(')(@escapes)(')", ["string","string.escape","string"]],
      ["'", "string.invalid"]
    ],

    "whitespace": [
      ["[ \\t\\r\\n]+", "white"],
      ["\\/\\*",       "comment", "@comment" ],
      ["\\/\\/.*$",    "comment"]
    ],

    "comment": [
      ["[^\\/*]+", "comment" ],
      
      ["\\/\\*",    "comment.invalid" ],
      ["\\*/",    "comment", "@pop"  ],
      ["[\\/*]",   "comment" ]
    ],  

    "string": [
      ["[^\\\\\"]+",  "string"],
      ["@escapes", "string.escape"],
      ["\\\\.",      "string.escape.invalid"],
      ["\"",        "string", "@pop" ]
    ]
  }
}