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Name	Size	Permission
java	[ DIR ]	drwxr-xr-x
ruby	[ DIR ]	drwxr-xr-x
_map.rb	502 B	-rw-r--r--
c.rb	5.5 KB	-rw-r--r--
clojure.rb	10.26 KB	-rw-r--r--
cpp.rb	6.58 KB	-rw-r--r--
css.rb	5.87 KB	-rw-r--r--
debug.rb	1.74 KB	-rw-r--r--
delphi.rb	4.63 KB	-rw-r--r--
diff.rb	7.95 KB	-rw-r--r--
erb.rb	1.76 KB	-rw-r--r--
go.rb	6.5 KB	-rw-r--r--
groovy.rb	9.37 KB	-rw-r--r--
haml.rb	5.06 KB	-rw-r--r--
html.rb	8.69 KB	-rw-r--r--
java.rb	5.54 KB	-rw-r--r--
java_script.rb	7.78 KB	-rw-r--r--
json.rb	2.67 KB	-rw-r--r--
lua.rb	10.95 KB	-rw-r--r--
php.rb	24.35 KB	-rw-r--r--
python.rb	9.88 KB	-rw-r--r--
raydebug.rb	1.79 KB	-rw-r--r--
ruby.rb	17.4 KB	-rw-r--r--
sass.rb	7.63 KB	-rw-r--r--
scanner.rb	9.34 KB	-rw-r--r--
sql.rb	5.32 KB	-rw-r--r--
taskpaper.rb	1.01 KB	-rw-r--r--
text.rb	460 B	-rw-r--r--
xml.rb	216 B	-rw-r--r--
yaml.rb	4.51 KB	-rw-r--r--

Code Editor : c.rb

module CodeRay
module Scanners
  
  # Scanner for C.
  class C < Scanner

register_for :c
    file_extension 'c'
    
    KEYWORDS = [
      'asm', 'break', 'case', 'continue', 'default', 'do',
      'else', 'enum', 'for', 'goto', 'if', 'return',
      'sizeof', 'struct', 'switch', 'typedef', 'union', 'while',
      'restrict',  # added in C99
    ]  # :nodoc:

PREDEFINED_TYPES = [
      'int', 'long', 'short', 'char',
      'signed', 'unsigned', 'float', 'double',
      'bool', 'complex',  # added in C99
    ]  # :nodoc:

PREDEFINED_CONSTANTS = [
      'EOF', 'NULL',
      'true', 'false',  # added in C99
    ]  # :nodoc:
    DIRECTIVES = [
      'auto', 'extern', 'register', 'static', 'void',
      'const', 'volatile',  # added in C89
      'inline',  # added in C99
    ]  # :nodoc:

IDENT_KIND = WordList.new(:ident).
      add(KEYWORDS, :keyword).
      add(PREDEFINED_TYPES, :predefined_type).
      add(DIRECTIVES, :directive).
      add(PREDEFINED_CONSTANTS, :predefined_constant)  # :nodoc:

ESCAPE = / [rbfntv\n\\'"] | x[a-fA-F0-9]{1,2} | [0-7]{1,3} /x  # :nodoc:
    UNICODE_ESCAPE =  / u[a-fA-F0-9]{4} | U[a-fA-F0-9]{8} /x  # :nodoc:
    
  protected
    
    def scan_tokens encoder, options

state = :initial
      label_expected = true
      case_expected = false
      label_expected_before_preproc_line = nil
      in_preproc_line = false

until eos?

case state

when :initial

if match = scan(/ \s+ | \\\n /x)
            if in_preproc_line && match != "\\\n" && match.index(?\n)
              in_preproc_line = false
              label_expected = label_expected_before_preproc_line
            end
            encoder.text_token match, :space

elsif match = scan(%r! // [^\n\\]* (?: \\. [^\n\\]* )* | /\* (?: .*? \*/ | .* ) !mx)
            encoder.text_token match, :comment

elsif match = scan(/ [-+*=<>?:;,!&^|()\[\]{}~%]+ | \/=? | \.(?!\d) /x)
            label_expected = match =~ /[;\{\}]/
            if case_expected
              label_expected = true if match == ':'
              case_expected = false
            end
            encoder.text_token match, :operator

elsif match = scan(/ [A-Za-z_][A-Za-z_0-9]* /x)
            kind = IDENT_KIND[match]
            if kind == :ident && label_expected && !in_preproc_line && scan(/:(?!:)/)
              kind = :label
              match << matched
            else
              label_expected = false
              if kind == :keyword
                case match
                when 'case', 'default'
                  case_expected = true
                end
              end
            end
            encoder.text_token match, kind

elsif match = scan(/L?"/)
            encoder.begin_group :string
            if match[0] == ?L
              encoder.text_token 'L', :modifier
              match = '"'
            end
            encoder.text_token match, :delimiter
            state = :string

elsif match = scan(/ \# \s* if \s* 0 /x)
            match << scan_until(/ ^\# (?:elif|else|endif) .*? $ | \z /xm) unless eos?
            encoder.text_token match, :comment

elsif match = scan(/#[ \t]*(\w*)/)
            encoder.text_token match, :preprocessor
            in_preproc_line = true
            label_expected_before_preproc_line = label_expected
            state = :include_expected if self[1] == 'include'

elsif match = scan(/ L?' (?: [^\'\n\\] | \\ #{ESCAPE} )? '? /ox)
            label_expected = false
            encoder.text_token match, :char

elsif match = scan(/\$/)
            encoder.text_token match, :ident
          
          elsif match = scan(/0[xX][0-9A-Fa-f]+/)
            label_expected = false
            encoder.text_token match, :hex

elsif match = scan(/(?:0[0-7]+)(?![89.eEfF])/)
            label_expected = false
            encoder.text_token match, :octal

elsif match = scan(/(?:\d+)(?![.eEfF])L?L?/)
            label_expected = false
            encoder.text_token match, :integer

elsif match = scan(/\d[fF]?|\d*\.\d+(?:[eE][+-]?\d+)?[fF]?|\d+[eE][+-]?\d+[fF]?/)
            label_expected = false
            encoder.text_token match, :float

else
            encoder.text_token getch, :error

end

when :string
          if match = scan(/[^\\\n"]+/)
            encoder.text_token match, :content
          elsif match = scan(/"/)
            encoder.text_token match, :delimiter
            encoder.end_group :string
            state = :initial
            label_expected = false
          elsif match = scan(/ \\ (?: #{ESCAPE} | #{UNICODE_ESCAPE} ) /mox)
            encoder.text_token match, :char
          elsif match = scan(/ \\ | $ /x)
            encoder.end_group :string
            encoder.text_token match, :error unless match.empty?
            state = :initial
            label_expected = false
          else
            raise_inspect "else case \" reached; %p not handled." % peek(1), encoder
          end

when :include_expected
          if match = scan(/<[^>\n]+>?|"[^"\n\\]*(?:\\.[^"\n\\]*)*"?/)
            encoder.text_token match, :include
            state = :initial

elsif match = scan(/\s+/)
            encoder.text_token match, :space
            state = :initial if match.index ?\n

else
            state = :initial

end

else
          raise_inspect 'Unknown state', encoder

end

if state == :string
        encoder.end_group :string
      end

encoder
    end

end

end
end

${this.title}

Code Editor : c.rb