Method: LangScan::JavaScript.scan_unsorted

Defined in:
lib/langscan/javascript.rb

.scan_unsorted(input, &block) ⇒ Object



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# File 'lib/langscan/javascript.rb', line 39

def scan_unsorted(input, &block)
  pm = LangScan::PairMatcher.new(1,0,0,1)
  pm.define_intertoken_fragment :space, nil
  pm.define_intertoken_fragment :comment, nil
  pm.define_pair :paren, :punct, "(", :punct, ")"
  pm.define_pair :brace, :punct, "{", :punct, "}"
  pm.define_pair :bracket, :punct, "[", :punct, "]"
  pm.parse(LangScan::JavaScript::Tokenizer.new(input), lambda {|f|
    if f.type == :ident
      f.type = IdentType[f.text]
    end
    yield f
  }) {|pair|
    if pair.pair_type == :paren &&
       1 <= pair.before_open_length &&
       pair.around_open(-1).type == :ident && IdentType[pair.around_open(-1).text] == :ident
      before_open_token = pair.around_open(-1)
      if !KeywordsHash[before_open_token.text]
        if !(outer = pair.outer) || !outer.outer
          if 1 <= pair.after_close_length &&
             pair.around_close(1).type == :punct &&
             pair.around_close(1).text == '{'
            before_open_token.type = :fundef
          else
            before_open_token.type = :funcall
          end
        else
          before_open_token.type = :funcall
        end
      end
    end
  }
end