language-dummy.coffee

{ Grammar } = require 'first-mate'

scopeName = "source.sbvr"

module.exports =
class LanguageSbvrGrammar extends Grammar
  constructor: (registry) ->
    name = "SBVR"
    super(registry, { name, scopeName, fileTypes: [ 'sbvr' ] })

  randScope = ->
    scopes = [ 'identifier', 'comment', 'keyword', 'number', 'string', 'regex' ]
    return scopes[Math.floor(Math.random() * scopes.length)]

  tokenizeLine: (line, ruleStack, firstLine = false) ->
    tokens = []

    addToken = (text, scope) =>
      scope = scopeName + (if scope then ".#{scope}" else '')
      tokens.push @registry.createToken(text, [ scope ])

    startPos = 0
    words = line.split(/\s+/)

    for word in words
      i = line.indexOf(word, startPos)
      if i > startPos
        addToken line.substring(startPos, i)
      addToken word, randScope()
      startPos = i + word.length

    if startPos < line.length
      addToken line.substring(startPos)

    if tokens.length is 0
      addToken ""


    return { tokens, ruleStack: ruleStack or null }

  tokenizeLines: ->
    console.log 'Never called'