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: / usr / share / grafana / public / app / plugins / datasource / parca / lang /
Filename : lang.ts
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import type { languages } from 'monaco-editor';

export const languageConfiguration: languages.LanguageConfiguration = {
  // the default separators except `@$`
  wordPattern: /(-?\d*\.\d\w*)|([^`~!#%^&*()\-=+\[{\]}\\|;:'",.<>\/?\s]+)/g,
  brackets: [['{', '}']],
  autoClosingPairs: [
    { open: '{', close: '}' },
    { open: '"', close: '"' },
    { open: "'", close: "'" },
  ],
  surroundingPairs: [
    { open: '{', close: '}' },
    { open: '"', close: '"' },
    { open: "'", close: "'" },
  ],
  folding: {},
};

export const language: languages.IMonarchLanguage = {
  ignoreCase: false,
  defaultToken: '',
  tokenPostfix: '.fireql',

  keywords: [],
  operators: [],

  // we include these common regular expressions
  symbols: /[=><!~?:&|+\-*\/^%]+/,
  escapes: /\\(?:[abfnrtv\\"']|x[0-9A-Fa-f]{1,4}|u[0-9A-Fa-f]{4}|U[0-9A-Fa-f]{8})/,
  digits: /\d+(_+\d+)*/,
  octaldigits: /[0-7]+(_+[0-7]+)*/,
  binarydigits: /[0-1]+(_+[0-1]+)*/,
  hexdigits: /[[0-9a-fA-F]+(_+[0-9a-fA-F]+)*/,
  integersuffix: /(ll|LL|u|U|l|L)?(ll|LL|u|U|l|L)?/,
  floatsuffix: /[fFlL]?/,

  tokenizer: {
    root: [
      // labels
      [/[a-z_]\w*(?=\s*(=|!=|=~|!~))/, 'tag'],

      // strings
      [/"([^"\\]|\\.)*$/, 'string.invalid'], // non-teminated string
      [/'([^'\\]|\\.)*$/, 'string.invalid'], // non-teminated string
      [/"/, 'string', '@string_double'],
      [/'/, 'string', '@string_single'],

      // whitespace
      { include: '@whitespace' },

      // delimiters and operators
      [/[{}()\[\]]/, '@brackets'],
      [/[<>](?!@symbols)/, '@brackets'],
      [
        /@symbols/,
        {
          cases: {
            '@operators': 'delimiter',
            '@default': '',
          },
        },
      ],

      // numbers
      [/\d+/, 'number'],
      [/\d*\d+[eE]([\-+]?\d+)?(@floatsuffix)/, 'number.float'],
      [/\d*\.\d+([eE][\-+]?\d+)?(@floatsuffix)/, 'number.float'],
      [/0[xX][0-9a-fA-F']*[0-9a-fA-F](@integersuffix)/, 'number.hex'],
      [/0[0-7']*[0-7](@integersuffix)/, 'number.octal'],
      [/0[bB][0-1']*[0-1](@integersuffix)/, 'number.binary'],
      [/\d[\d']*\d(@integersuffix)/, 'number'],
      [/\d(@integersuffix)/, 'number'],
    ],

    string_double: [
      [/[^\\"]+/, 'string'],
      [/@escapes/, 'string.escape'],
      [/\\./, 'string.escape.invalid'],
      [/"/, 'string', '@pop'],
    ],

    string_single: [
      [/[^\\']+/, 'string'],
      [/@escapes/, 'string.escape'],
      [/\\./, 'string.escape.invalid'],
      [/'/, 'string', '@pop'],
    ],

    clauses: [
      [/[^(,)]/, 'tag'],
      [/\)/, 'identifier', '@pop'],
    ],

    whitespace: [[/[ \t\r\n]+/, 'white']],
  },
};