Module: Parser::Lexer::Explanation

Defined in:
lib/parser/lexer/explanation.rb

Instance Method Summary collapse

Instance Method Details

#advance_and_explain ⇒ Object

Like #advance, but also pretty-print the token and its position in the stream to ‘stdout`.



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# File 'lib/parser/lexer/explanation.rb', line 7

def advance_and_explain
  type, (val, range) = advance

  puts decorate(range,
                "\e[0;32m#{type} #{val.inspect}\e[0m",
                "#{state.to_s.ljust(10)} #{@cond} #{@cmdarg}\e[0m")

  [ type, [val, range] ]
end