Module: CodeRay::Scanners::Ruby::Patterns
- Defined in:
- lib/coderay/scanners/ruby/patterns.rb
Overview
:nodoc: all
Constant Summary collapse
- KEYWORDS =
%w[ and def end in or unless begin defined? ensure module redo super until BEGIN break do next rescue then when END case else for retry while alias class elsif if not return undef yield ]
- PREDEFINED_CONSTANTS =
%w[ nil true false self DATA ARGV ARGF ENV FALSE TRUE NIL STDERR STDIN STDOUT TOPLEVEL_BINDING RUBY_COPYRIGHT RUBY_DESCRIPTION RUBY_ENGINE RUBY_PATCHLEVEL RUBY_PLATFORM RUBY_RELEASE_DATE RUBY_REVISION RUBY_VERSION __FILE__ __LINE__ __ENCODING__ ]
- IDENT_KIND =
WordList.new(:ident). add(KEYWORDS, :keyword). add(PREDEFINED_CONSTANTS, :predefined_constant)
- KEYWORD_NEW_STATE =
WordList.new(:initial). add(%w[ def ], :def_expected). add(%w[ undef ], :undef_expected). add(%w[ alias ], :alias_expected). add(%w[ class module ], :module_expected)
- IDENT =
'ä'[/[[:alpha:]]/] == 'ä' ? Regexp.new('[[:alpha:]_[^\0-\177]][[:alnum:]_[^\0-\177]]*') : /[^\W\d]\w*/
- METHOD_NAME =
/ #{IDENT} [?!]? /ox- METHOD_NAME_OPERATOR =
/ \*\*? # multiplication and power | [-+~]@? # plus, minus, tilde with and without at sign | [\/%&|^`] # division, modulo or format strings, and, or, xor, system | \[\]=? # array getter and setter | << | >> # append or shift left, shift right | <=?>? | >=? # comparison, rocket operator | ===? | =~ # simple equality, case equality, match | ![~=@]? # negation with and without at sign, not-equal and not-match /ox- METHOD_SUFFIX =
/ (?: [?!] | = (?![~>]|=(?!>)) ) /x- METHOD_NAME_EX =
/ #{IDENT} #{METHOD_SUFFIX}? | #{METHOD_NAME_OPERATOR} /ox- METHOD_AFTER_DOT =
/ #{IDENT} [?!]? | #{METHOD_NAME_OPERATOR} /ox- INSTANCE_VARIABLE =
/ @ #{IDENT} /ox- CLASS_VARIABLE =
/ @@ #{IDENT} /ox- OBJECT_VARIABLE =
/ @@? #{IDENT} /ox- GLOBAL_VARIABLE =
/ \$ (?: #{IDENT} | [1-9]\d* | 0\w* | [~&+`'=\/,;_.<>!@$?*":\\] | -[a-zA-Z_0-9] ) /ox- PREFIX_VARIABLE =
/ #{GLOBAL_VARIABLE} | #{OBJECT_VARIABLE} /ox- VARIABLE =
/ @?@? #{IDENT} | #{GLOBAL_VARIABLE} /ox- QUOTE_TO_TYPE =
{ '`' => :shell, '/' => :regexp, }
- REGEXP_MODIFIERS =
/[mousenix]*/- DECIMAL =
/\d+(?:_\d+)*/- OCTAL =
/0_?[0-7]+(?:_[0-7]+)*/- HEXADECIMAL =
/0x[0-9A-Fa-f]+(?:_[0-9A-Fa-f]+)*/- BINARY =
/0b[01]+(?:_[01]+)*/- EXPONENT =
/ [eE] [+-]? #{DECIMAL} /ox- FLOAT_SUFFIX =
/ #{EXPONENT} | \. #{DECIMAL} #{EXPONENT}? /ox- FLOAT_OR_INT =
/ #{DECIMAL} (?: #{FLOAT_SUFFIX} () )? /ox- NUMERIC =
/ (?: (?=0) (?: #{OCTAL} | #{HEXADECIMAL} | #{BINARY} ) | #{FLOAT_OR_INT} ) /ox- SYMBOL =
/ : (?: #{METHOD_NAME_EX} | #{PREFIX_VARIABLE} | ['"] ) /ox- METHOD_NAME_OR_SYMBOL =
/ #{METHOD_NAME_EX} | #{SYMBOL} /ox- SIMPLE_ESCAPE =
/ [abefnrstv] | [0-7]{1,3} | x[0-9A-Fa-f]{1,2} | . /mx- CONTROL_META_ESCAPE =
/ (?: M-|C-|c ) (?: \\ (?: M-|C-|c ) )* (?: [^\\] | \\ #{SIMPLE_ESCAPE} )? /mox- ESCAPE =
/ #{CONTROL_META_ESCAPE} | #{SIMPLE_ESCAPE} /mox- CHARACTER =
/ \? (?: [^\s\\] | \\ #{ESCAPE} ) /mox- HEREDOC_OPEN =
NOTE: This is not completely correct, but nobody needs heredoc delimiters ending with n.
/ << ([-~])? # $1 = float (?: ( [A-Za-z_0-9]+ ) # $2 = delim | ( ["'`\/] ) # $3 = quote, type ( [^\n]*? ) \3 # $4 = delim ) /mx- RUBYDOC =
/ =begin (?!\S) .*? (?: \Z | ^=end (?!\S) [^\n]* ) /mx- DATA =
/ __END__$ .*? (?: \Z | (?=^\#CODE) ) /mx- RUBYDOC_OR_DATA =
/ #{RUBYDOC} | #{DATA} /xo- VALUE_FOLLOWS =
Checks for a valid value to follow. This enables value_expected in method calls without parentheses.
/ (?>[ \t\f\v]+) (?: [%\/][^\s=] | <<-?\S | [-+] \d | #{CHARACTER} ) /ox- KEYWORDS_EXPECTING_VALUE =
WordList.new.add(%w[ and end in or unless begin defined? ensure redo super until break do next rescue then when case else for retry while elsif if not return yield ])
- FANCY_STRING_START =
/ % ( [iIqQrswWx] | (?![a-zA-Z0-9]) ) ([^a-zA-Z0-9]) /x- FANCY_STRING_KIND =
Hash.new(:string).merge({ 'i' => :symbol, 'I' => :symbol, 'r' => :regexp, 's' => :symbol, 'x' => :shell, })
- FANCY_STRING_INTERPRETED =
Hash.new(true).merge({ 'i' => false, 'q' => false, 's' => false, 'w' => false, })