obsolete.ChilliProject/vendor/plugins/coderay-0.7.6.227/lib/coderay/scanners/debug.rb

61 lines
1.1 KiB
Ruby

module CodeRay
module Scanners
# = Debug Scanner
class Debug < Scanner
include Streamable
register_for :debug
protected
def scan_tokens tokens, options
opened_tokens = []
until eos?
kind = nil
match = nil
if scan(/\s+/)
tokens << [matched, :space]
next
elsif scan(/ (\w+) \( ( [^\)\\]* ( \\. [^\)\\]* )* ) \) /x)
kind = self[1].to_sym
match = self[2].gsub(/\\(.)/, '\1')
elsif scan(/ (\w+) < /x)
kind = self[1].to_sym
opened_tokens << kind
match = :open
elsif scan(/ > /x)
kind = opened_tokens.pop
match = :close
else
kind = :error
getch
end
match ||= matched
if $DEBUG and not kind
raise_inspect 'Error token %p in line %d' %
[[match, kind], line], tokens
end
raise_inspect 'Empty token', tokens unless match
tokens << [match, kind]
end
tokens
end
end
end
end