Class: Flexr::Importer

Inherits:
Object
  • Object
show all
Defined in:
lib/flexr/importer.rb

Defined Under Namespace

Classes: Result, UnsupportedFormatError

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(path, source) ⇒ Importer

Returns a new instance of Importer.



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# File 'lib/flexr/importer.rb', line 15

def initialize(path, source)
  @path = path
  @source = source.force_encoding(Encoding::UTF_8)
  @warnings = []
  @complete = true
  @macros = {}
  @states = {}
  @rules = []
  @eof_rules = []
  @last_action = nil
end

Class Method Details

.import(path) ⇒ Object 



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# File 'lib/flexr/importer.rb', line 11

def self.import(path)
  new(path, File.binread(path)).run
end

Instance Method Details

#run ⇒ Object 



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# File 'lib/flexr/importer.rb', line 27

def run
  case File.extname(@path).downcase
  when ".l", ".lex"
    parse_flex
  when ".rex"
    parse_rexical
  else
    raise UnsupportedFormatError, "import expects a flex .l or rexical .rex file"
  end

  Result.new(source: render, warnings: @warnings.freeze, complete?: @complete)
end