lex_int2

# File lib/rdoc/parser/ruby.rb, line 780
  def lex_int2
    @OP.def_rules("]", "}", ")") do
      |op, io|
      @lex_state = EXPR_END
      @indent -= 1
      Token(op).set_text(op)
    end

    @OP.def_rule(":") do
      if @lex_state == EXPR_END || peek(0) =~ /\s/
        @lex_state = EXPR_BEG
        tk = Token(TkCOLON)
      else
        @lex_state = EXPR_FNAME
        tk = Token(TkSYMBEG)
      end
      tk.set_text(":")
    end

    @OP.def_rule("::") do
      if @lex_state == EXPR_BEG or @lex_state == EXPR_ARG && @space_seen
        @lex_state = EXPR_BEG
        tk = Token(TkCOLON3)
      else
        @lex_state = EXPR_DOT
        tk = Token(TkCOLON2)
      end
      tk.set_text("::")
    end

    @OP.def_rule("/") do
      |op, io|
      if @lex_state == EXPR_BEG || @lex_state == EXPR_MID
        identify_string(op)
      elsif peek(0) == '='
        getc
        @lex_state = EXPR_BEG
        Token(TkOPASGN, :/).set_text("/=") #")
      elsif @lex_state == EXPR_ARG and @space_seen and peek(0) !~ /\s/
        identify_string(op)
      else
        @lex_state = EXPR_BEG
        Token("/").set_text(op)
      end
    end

    @OP.def_rules("^") do
      @lex_state = EXPR_BEG
      Token("^").set_text("^")
    end

    @OP.def_rules(",", ";") do
      |op, io|
      @lex_state = EXPR_BEG
      Token(op).set_text(op)
    end

    @OP.def_rule("~") do
      @lex_state = EXPR_BEG
      Token("~").set_text("~")
    end

    @OP.def_rule("~@", proc{@lex_state = EXPR_FNAME}) do
      @lex_state = EXPR_BEG
      Token("~").set_text("~@")
    end

    @OP.def_rule("(") do
      @indent += 1
      if @lex_state == EXPR_BEG || @lex_state == EXPR_MID
        @lex_state = EXPR_BEG
        tk = Token(TkfLPAREN)
      else
        @lex_state = EXPR_BEG
        tk = Token(TkLPAREN)
      end
      tk.set_text("(")
    end

    @OP.def_rule("[]", proc{@lex_state == EXPR_FNAME}) do
      Token("[]").set_text("[]")
    end

    @OP.def_rule("[]=", proc{@lex_state == EXPR_FNAME}) do
      Token("[]=").set_text("[]=")
    end

    @OP.def_rule("[") do
      @indent += 1
      if @lex_state == EXPR_FNAME
        t = Token(TkfLBRACK)
      else
        if @lex_state == EXPR_BEG || @lex_state == EXPR_MID
          t = Token(TkLBRACK)
        elsif @lex_state == EXPR_ARG && @space_seen
          t = Token(TkLBRACK)
        else
          t = Token(TkfLBRACK)
        end
        @lex_state = EXPR_BEG
      end
      t.set_text("[")
    end

    @OP.def_rule("{") do
      @indent += 1
      if @lex_state != EXPR_END && @lex_state != EXPR_ARG
        t = Token(TkLBRACE)
      else
        t = Token(TkfLBRACE)
      end
      @lex_state = EXPR_BEG
      t.set_text("{")
    end

    @OP.def_rule('\') do   #'
      if getc == "\n"
        @space_seen = true
        @continue = true
        Token(TkSPACE).set_text("\\\n")
      else
        ungetc
        Token("\\").set_text("\\")  #"
      end
    end

    @OP.def_rule('%') do
      |op, io|
      if @lex_state == EXPR_BEG || @lex_state == EXPR_MID
        identify_quotation('%')
      elsif peek(0) == '='
        getc
        Token(TkOPASGN, "%").set_text("%=")
      elsif @lex_state == EXPR_ARG and @space_seen and peek(0) !~ /\s/
        identify_quotation('%')
      else
        @lex_state = EXPR_BEG
        Token("%").set_text("%")
      end
    end

    @OP.def_rule('$') do  #'
      identify_gvar
    end

    @OP.def_rule('@') do
      if peek(0) =~ /[@\w_]/
        ungetc
        identify_identifier
      else
        Token("@").set_text("@")
      end
    end

    @OP.def_rule("__END__", proc{@prev_char_no == 0 && peek(0) =~ /[\r\n]/}) do
      throw :eof
    end

    @OP.def_rule("") do
      |op, io|
      printf "MATCH: start %s: %s\n", op, io.inspect if RDoc::RubyLex.debug?
      if peek(0) =~ /[0-9]/
        t = identify_number("")
      elsif peek(0) =~ /[\w_]/
        t = identify_identifier
      end
      printf "MATCH: end %s: %s\n", op, io.inspect if RDoc::RubyLex.debug?
      t
    end
  end