# File lib/rouge/lexer.rb, line 384 def lex(string, opts={}, &b) return enum_for(:lex, string, opts) unless block_given? Lexer.assert_utf8!(string) reset! unless opts[:continue] # consolidate consecutive tokens of the same type last_token = nil last_val = nil stream_tokens(string) do |tok, val| next if val.empty? if tok == last_token last_val << val next end b.call(last_token, last_val) if last_token last_token = tok last_val = val end b.call(last_token, last_val) if last_token end