Class: Rouge::Lexers::Lua

Inherits:
RegexLexer show all
Defined in:
lib/rouge/lexers/lua.rb,
lib/rouge/lexers/lua/builtins.rb

Constant Summary

Constants inherited from RegexLexer

RegexLexer::MAX_NULL_SCANS

Constants included from Token::Tokens

Token::Tokens::Num, Token::Tokens::Str

Instance Attribute Summary

Attributes inherited from Rouge::Lexer

#options

Class Method Summary collapse

Instance Method Summary collapse

Methods inherited from RegexLexer

append, #delegate, get_state, #get_state, #goto, #group, #groups, #in_state?, #pop!, prepend, #push, #recurse, replace_state, #reset!, #reset_stack, #stack, start, start_procs, state, #state, #state?, state_definitions, states, #step, #stream_tokens, #token

Methods inherited from Rouge::Lexer

aliases, all, #as_bool, #as_lexer, #as_list, #as_string, #as_token, assert_utf8!, #bool_option, debug_enabled?, demo, demo_file, desc, disable_debug!, enable_debug!, filenames, find, find_fancy, guess, guess_by_filename, guess_by_mimetype, guess_by_source, guesses, #hash_option, lex, #lex, #lexer_option, #list_option, mimetypes, option, option_docs, #reset!, #stream_tokens, #string_option, #tag, tag, title, #token_option

Methods included from Token::Tokens

token

Constructor Details

#initialize(opts = {}) ⇒ Lua

Returns a new instance of Lua.


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# File 'lib/rouge/lexers/lua.rb', line 16

def initialize(opts={})
  @function_highlighting = opts.delete(:function_highlighting) { true }
  @disabled_modules = opts.delete(:disabled_modules) { [] }
  super(opts)
end

Class Method Details

.analyze_text(text) ⇒ Object


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# File 'lib/rouge/lexers/lua.rb', line 22

def self.analyze_text(text)
  return 1 if text.shebang? 'lua'
end

.builtinsObject


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# File 'lib/rouge/lexers/lua.rb', line 26

def self.builtins
  load Pathname.new(__FILE__).dirname.join('lua/builtins.rb')
  self.builtins
end

Instance Method Details

#builtinsObject


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# File 'lib/rouge/lexers/lua.rb', line 31

def builtins
  return [] unless @function_highlighting

  @builtins ||= Set.new.tap do |builtins|
    self.class.builtins.each do |mod, fns|
      next if @disabled_modules.include? mod
      builtins.merge(fns)
    end
  end
end