# -*- warn-indent:false; -*- # line 1 "/Users/jannoschmuller/code/regexp_parser/lib/regexp_parser/scanner/scanner.rl" # line 710 "/Users/jannoschmuller/code/regexp_parser/lib/regexp_parser/scanner/scanner.rl" # THIS IS A GENERATED FILE, DO NOT EDIT DIRECTLY # This file was generated from lib/regexp_parser/scanner/scanner.rl class Regexp::Scanner # General scanner error (catch all) class ScannerError < StandardError; end # Base for all scanner validation errors class ValidationError < StandardError def initialize(reason) super reason end end # Unexpected end of pattern class PrematureEndError < ScannerError def initialize(where = '') super "Premature end of pattern at #{where}" end end # Invalid sequence format. Used for escape sequences, mainly. class InvalidSequenceError < ValidationError def initialize(what = 'sequence', where = '') super "Invalid #{what} at #{where}" end end # Invalid group. Used for named groups. class InvalidGroupError < ValidationError def initialize(what, reason) super "Invalid #{what}, #{reason}." end end # Invalid groupOption. Used for inline options. class InvalidGroupOption < ValidationError def initialize(option, text) super "Invalid group option #{option} in #{text}" end end # Invalid back reference. Used for name a number refs/calls. class InvalidBackrefError < ValidationError def initialize(what, reason) super "Invalid back reference #{what}, #{reason}" end end # The property name was not recognized by the scanner. class UnknownUnicodePropertyError < ValidationError def initialize(name) super "Unknown unicode character property name #{name}" end end # Scans the given regular expression text, or Regexp object and collects the # emitted token into an array that gets returned at the end. If a block is # given, it gets called for each emitted token. # # This method may raise errors if a syntax error is encountered. # -------------------------------------------------------------------------- def self.scan(input_object, &block) new.scan(input_object, &block) end def scan(input_object, &block) self.literal = nil stack = [] if input_object.is_a?(Regexp) input = input_object.source self.free_spacing = (input_object.options & Regexp::EXTENDED != 0) else input = input_object self.free_spacing = false end data = input.unpack("c*") if input.is_a?(String) eof = data.length self.tokens = [] self.block = block_given? ? block : nil self.in_group = false self.group_depth = 0 self.spacing_stack = [{:free_spacing => free_spacing, :depth => 0}] in_set = false set_depth = 0 in_conditional = false conditional_depth = 0 conditional_stack = [] # line 104 "/Users/jannoschmuller/code/regexp_parser/lib/regexp_parser/scanner.rb" class << self attr_accessor :_re_scanner_trans_keys private :_re_scanner_trans_keys, :_re_scanner_trans_keys= end self._re_scanner_trans_keys = [ 0, 0, -128, -65, -128, -65, -128, -65, -128, -65, -128, -65, -128, -65, 10, 10, 33, 126, 41, 41, 39, 122, 33, 122, 48, 122, 39, 60, 39, 122, 48, 57, 39, 57, 48, 57, 39, 57, 39, 122, 43, 122, 48, 57, 48, 62, 48, 57, 43, 62, 43, 122, 44, 125, 48, 125, 123, 123, 9, 122, 9, 125, 9, 122, -128, -65, -128, -65, 38, 38, 45, 122, 45, 122, 93, 93, 94, 120, 97, 120, 108, 115, 110, 112, 117, 117, 109, 109, 58, 58, 93, 93, 104, 104, 97, 97, 99, 99, 105, 105, 105, 105, 108, 108, 97, 97, 110, 110, 107, 107, 110, 110, 116, 116, 114, 114, 108, 108, 105, 105, 103, 103, 105, 105, 116, 116, 114, 114, 97, 97, 112, 112, 104, 104, 111, 111, 119, 119, 101, 101, 114, 114, 114, 117, 105, 105, 110, 110, 110, 110, 99, 99, 112, 112, 97, 97, 99, 99, 101, 101, 112, 112, 112, 112, 111, 111, 114, 114, 100, 100, 100, 100, 65, 122, 61, 61, 93, 93, 45, 45, 77, 77, 45, 45, 45, 45, 67, 99, 45, 45, 77, 77, 45, 45, 48, 123, 48, 102, 48, 102, 48, 102, 48, 102, 9, 125, 9, 125, 9, 125, 9, 125, 9, 125, 9, 125, 48, 123, 41, 41, 39, 122, 41, 57, 48, 122, -62, 127, -62, -33, -32, -17, -16, -12, 1, 127, 1, 127, 9, 32, 33, 126, 10, 126, 63, 63, 43, 63, 43, 63, 43, 63, 65, 122, 43, 63, 68, 119, 80, 112, -62, 125, -128, -65, -128, -65, -128, -65, 38, 38, 38, 93, 46, 61, 48, 122, 36, 125, 48, 55, 48, 55, 92, 92, 92, 92, 92, 92, 48, 102, 39, 60, 39, 122, 49, 57, 41, 57, 48, 122, 0 ] class << self attr_accessor :_re_scanner_key_spans private :_re_scanner_key_spans, :_re_scanner_key_spans= end self._re_scanner_key_spans = [ 0, 64, 64, 64, 64, 64, 64, 1, 94, 1, 84, 90, 75, 22, 84, 10, 19, 10, 19, 84, 80, 10, 15, 10, 20, 80, 82, 78, 1, 114, 117, 114, 64, 64, 1, 78, 78, 1, 27, 24, 8, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 58, 1, 1, 1, 1, 1, 1, 33, 1, 1, 1, 76, 55, 55, 55, 55, 117, 117, 117, 117, 117, 117, 76, 1, 84, 17, 75, 190, 30, 16, 5, 127, 127, 24, 94, 117, 1, 21, 21, 21, 58, 21, 52, 33, 188, 64, 64, 64, 1, 56, 16, 75, 90, 8, 8, 1, 1, 1, 55, 22, 84, 9, 17, 75 ] class << self attr_accessor :_re_scanner_index_offsets private :_re_scanner_index_offsets, :_re_scanner_index_offsets= end self._re_scanner_index_offsets = [ 0, 0, 65, 130, 195, 260, 325, 390, 392, 487, 489, 574, 665, 741, 764, 849, 860, 880, 891, 911, 996, 1077, 1088, 1104, 1115, 1136, 1217, 1300, 1379, 1381, 1496, 1614, 1729, 1794, 1859, 1861, 1940, 2019, 2021, 2049, 2074, 2083, 2087, 2089, 2091, 2093, 2095, 2097, 2099, 2101, 2103, 2105, 2107, 2109, 2111, 2113, 2115, 2117, 2119, 2121, 2123, 2125, 2127, 2129, 2131, 2133, 2135, 2137, 2139, 2141, 2143, 2145, 2150, 2152, 2154, 2156, 2158, 2160, 2162, 2164, 2166, 2168, 2170, 2172, 2174, 2176, 2178, 2237, 2239, 2241, 2243, 2245, 2247, 2249, 2283, 2285, 2287, 2289, 2366, 2422, 2478, 2534, 2590, 2708, 2826, 2944, 3062, 3180, 3298, 3375, 3377, 3462, 3480, 3556, 3747, 3778, 3795, 3801, 3929, 4057, 4082, 4177, 4295, 4297, 4319, 4341, 4363, 4422, 4444, 4497, 4531, 4720, 4785, 4850, 4915, 4917, 4974, 4991, 5067, 5158, 5167, 5176, 5178, 5180, 5182, 5238, 5261, 5346, 5356, 5374 ] class << self attr_accessor :_re_scanner_indicies private :_re_scanner_indicies, :_re_scanner_indicies= end self._re_scanner_indicies = [ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 0, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 0, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 0, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 0, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 0, 9, 8, 11, 10, 12, 10, 10, 10, 13, 14, 10, 10, 10, 10, 15, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 16, 10, 17, 11, 16, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 15, 10, 10, 15, 10, 10, 10, 10, 15, 10, 10, 10, 15, 10, 10, 10, 10, 10, 10, 10, 15, 10, 10, 15, 10, 10, 10, 10, 10, 16, 10, 18, 12, 16, 10, 10, 10, 10, 10, 10, 10, 10, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 10, 10, 10, 10, 10, 10, 10, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 10, 10, 10, 10, 13, 10, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 10, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 10, 10, 10, 11, 16, 10, 10, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 10, 10, 10, 10, 19, 10, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 10, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 10, 10, 10, 10, 16, 10, 10, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 10, 10, 10, 10, 19, 10, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 10, 21, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 22, 20, 23, 20, 20, 20, 24, 20, 25, 20, 20, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 20, 20, 20, 20, 20, 20, 20, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 20, 20, 20, 20, 26, 20, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 20, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 20, 23, 20, 20, 20, 20, 20, 20, 20, 20, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 20, 27, 28, 28, 28, 28, 28, 28, 28, 28, 28, 20, 23, 20, 20, 20, 24, 20, 24, 20, 20, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 20, 23, 20, 20, 20, 24, 20, 24, 20, 20, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 20, 20, 20, 20, 20, 20, 20, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 20, 20, 20, 20, 26, 20, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 20, 29, 20, 30, 20, 20, 31, 31, 31, 31, 31, 31, 31, 31, 31, 31, 20, 20, 20, 20, 23, 20, 20, 31, 31, 31, 31, 31, 31, 31, 31, 31, 31, 31, 31, 31, 31, 31, 31, 31, 31, 31, 31, 31, 31, 31, 31, 31, 31, 20, 20, 20, 20, 31, 20, 31, 31, 31, 31, 31, 31, 31, 31, 31, 31, 31, 31, 31, 31, 31, 31, 31, 31, 31, 31, 31, 31, 31, 31, 31, 31, 20, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 20, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 20, 20, 20, 20, 23, 20, 32, 33, 33, 33, 33, 33, 33, 33, 33, 33, 20, 29, 20, 29, 20, 20, 33, 33, 33, 33, 33, 33, 33, 33, 33, 33, 20, 20, 20, 20, 23, 20, 29, 20, 29, 20, 20, 31, 31, 31, 31, 31, 31, 31, 31, 31, 31, 20, 20, 20, 20, 23, 20, 20, 31, 31, 31, 31, 31, 31, 31, 31, 31, 31, 31, 31, 31, 31, 31, 31, 31, 31, 31, 31, 31, 31, 31, 31, 31, 31, 20, 20, 20, 20, 31, 20, 31, 31, 31, 31, 31, 31, 31, 31, 31, 31, 31, 31, 31, 31, 31, 31, 31, 31, 31, 31, 31, 31, 31, 31, 31, 31, 20, 35, 34, 34, 34, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 37, 34, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 37, 34, 38, 39, 40, 40, 40, 40, 40, 39, 39, 39, 39, 39, 39, 39, 39, 39, 39, 39, 39, 39, 39, 39, 39, 39, 39, 40, 39, 39, 39, 39, 39, 39, 39, 39, 39, 39, 39, 39, 40, 40, 39, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 39, 39, 39, 40, 39, 39, 39, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 39, 39, 39, 41, 40, 39, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 39, 40, 40, 40, 40, 40, 39, 39, 39, 39, 39, 39, 39, 39, 39, 39, 39, 39, 39, 39, 39, 39, 39, 39, 40, 39, 39, 39, 39, 39, 39, 39, 39, 39, 39, 39, 39, 40, 40, 39, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 39, 39, 39, 40, 39, 39, 39, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 39, 39, 39, 39, 40, 39, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 39, 39, 42, 39, 40, 40, 40, 40, 40, 39, 39, 39, 39, 39, 39, 39, 39, 39, 39, 39, 39, 39, 39, 39, 39, 39, 39, 40, 39, 39, 39, 39, 39, 39, 39, 39, 39, 39, 39, 39, 40, 40, 39, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 39, 39, 39, 40, 39, 39, 39, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 39, 39, 39, 39, 40, 39, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 39, 44, 44, 44, 44, 44, 44, 44, 44, 44, 44, 44, 44, 44, 44, 44, 44, 44, 44, 44, 44, 44, 44, 44, 44, 44, 44, 44, 44, 44, 44, 44, 44, 44, 44, 44, 44, 44, 44, 44, 44, 44, 44, 44, 44, 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198, 198, 199, 199, 195, 195, 195, 195, 195, 196, 195, 39, 39, 200, 201, 195, 195, 39, 201, 195, 195, 39, 195, 202, 195, 195, 203, 195, 201, 201, 195, 195, 195, 201, 201, 195, 39, 196, 196, 196, 196, 195, 195, 204, 204, 104, 201, 204, 204, 39, 201, 195, 195, 39, 195, 195, 204, 195, 203, 195, 204, 201, 204, 205, 204, 201, 206, 195, 39, 196, 196, 196, 195, 208, 208, 208, 208, 208, 208, 208, 208, 207, 210, 210, 210, 210, 210, 210, 210, 210, 209, 213, 212, 216, 215, 217, 215, 220, 220, 220, 220, 220, 220, 220, 220, 220, 220, 219, 219, 219, 219, 219, 219, 219, 220, 220, 220, 220, 220, 220, 219, 219, 219, 219, 219, 219, 219, 219, 219, 219, 219, 219, 219, 219, 219, 219, 219, 219, 219, 219, 219, 219, 219, 219, 219, 219, 220, 220, 220, 220, 220, 220, 219, 222, 221, 221, 221, 221, 221, 223, 221, 221, 221, 224, 224, 224, 224, 224, 224, 224, 224, 224, 221, 221, 225, 221, 131, 226, 226, 226, 226, 226, 226, 226, 226, 132, 132, 132, 132, 132, 132, 132, 132, 132, 132, 226, 226, 226, 226, 226, 226, 226, 132, 132, 132, 132, 132, 132, 132, 132, 132, 132, 132, 132, 132, 132, 132, 132, 132, 132, 132, 132, 132, 132, 132, 132, 132, 132, 226, 226, 226, 226, 132, 226, 132, 132, 132, 132, 132, 132, 132, 132, 132, 132, 132, 132, 132, 132, 132, 132, 132, 132, 132, 132, 132, 132, 132, 132, 132, 132, 226, 133, 133, 133, 133, 133, 133, 133, 133, 133, 226, 130, 226, 226, 226, 226, 226, 226, 133, 133, 133, 133, 133, 133, 133, 133, 133, 133, 226, 134, 134, 134, 134, 134, 134, 134, 134, 134, 134, 226, 226, 226, 226, 131, 226, 226, 134, 134, 134, 134, 134, 134, 134, 134, 134, 134, 134, 134, 134, 134, 134, 134, 134, 134, 134, 134, 134, 134, 134, 134, 134, 134, 226, 226, 226, 226, 134, 226, 134, 134, 134, 134, 134, 134, 134, 134, 134, 134, 134, 134, 134, 134, 134, 134, 134, 134, 134, 134, 134, 134, 134, 134, 134, 134, 226, 0 ] class << self attr_accessor :_re_scanner_trans_targs private :_re_scanner_trans_targs, :_re_scanner_trans_targs= end self._re_scanner_trans_targs = [ 113, 114, 3, 115, 5, 6, 116, 113, 7, 113, 113, 113, 9, 10, 113, 113, 113, 11, 113, 12, 113, 14, 20, 113, 15, 17, 19, 16, 18, 21, 23, 25, 22, 24, 0, 27, 26, 127, 29, 0, 30, 31, 129, 130, 130, 32, 130, 130, 130, 130, 36, 37, 130, 39, 40, 51, 55, 59, 63, 67, 71, 76, 80, 82, 85, 41, 48, 42, 46, 43, 44, 45, 130, 47, 49, 50, 52, 53, 54, 56, 57, 58, 60, 61, 62, 64, 65, 66, 68, 69, 70, 72, 74, 73, 75, 77, 78, 79, 81, 83, 84, 87, 88, 130, 141, 138, 138, 91, 138, 142, 138, 138, 94, 143, 96, 138, 98, 101, 99, 100, 138, 102, 103, 104, 105, 106, 107, 138, 144, 145, 145, 109, 110, 111, 112, 1, 2, 4, 117, 118, 119, 120, 121, 113, 122, 113, 123, 124, 113, 125, 113, 126, 113, 113, 113, 113, 113, 8, 113, 113, 113, 113, 113, 113, 113, 113, 113, 13, 113, 113, 128, 28, 131, 132, 133, 130, 134, 135, 136, 130, 130, 130, 130, 33, 130, 130, 34, 130, 130, 130, 35, 38, 86, 137, 137, 138, 138, 139, 139, 138, 89, 138, 92, 138, 138, 97, 108, 138, 140, 138, 138, 138, 138, 90, 138, 138, 93, 95, 138, 138, 138, 145, 146, 147, 148, 149, 145 ] class << self attr_accessor :_re_scanner_trans_actions private :_re_scanner_trans_actions, :_re_scanner_trans_actions= end self._re_scanner_trans_actions = [ 1, 2, 0, 2, 0, 0, 2, 3, 0, 4, 5, 6, 7, 0, 8, 9, 10, 0, 11, 0, 12, 0, 0, 13, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 14, 0, 0, 0, 0, 0, 0, 0, 16, 17, 18, 0, 19, 20, 21, 22, 0, 0, 23, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 24, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 25, 26, 27, 28, 0, 29, 26, 30, 31, 0, 26, 0, 32, 0, 0, 0, 0, 33, 0, 0, 0, 0, 0, 0, 34, 0, 35, 36, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 26, 39, 40, 41, 0, 0, 42, 0, 43, 26, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 0, 59, 60, 62, 0, 0, 26, 26, 63, 0, 26, 26, 64, 65, 66, 67, 0, 68, 69, 0, 70, 71, 72, 0, 0, 0, 73, 74, 75, 76, 77, 78, 79, 0, 80, 0, 81, 82, 0, 0, 83, 0, 84, 85, 86, 87, 0, 88, 89, 0, 0, 90, 91, 92, 93, 26, 26, 26, 26, 94 ] class << self attr_accessor :_re_scanner_to_state_actions private :_re_scanner_to_state_actions, :_re_scanner_to_state_actions= end self._re_scanner_to_state_actions = [ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 37, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 61, 61, 61, 0, 0, 0, 0, 0, 0, 61, 61, 0, 0, 0, 0, 0, 0, 61, 0, 0, 0, 0 ] class << self attr_accessor :_re_scanner_from_state_actions private :_re_scanner_from_state_actions, :_re_scanner_from_state_actions= end self._re_scanner_from_state_actions = [ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 38, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 38, 38, 38, 0, 0, 0, 0, 0, 0, 38, 38, 0, 0, 0, 0, 0, 0, 38, 0, 0, 0, 0 ] class << self attr_accessor :_re_scanner_eof_actions private :_re_scanner_eof_actions, :_re_scanner_eof_actions= end self._re_scanner_eof_actions = [ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 14, 14, 15, 15, 15, 15, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 14, 0, 0, 14, 0, 0, 0, 0, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 14, 0, 0, 0, 0, 0, 0, 0, 14, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 ] class << self attr_accessor :_re_scanner_eof_trans private :_re_scanner_eof_trans, :_re_scanner_eof_trans= end self._re_scanner_eof_trans = [ 0, 1, 1, 1, 1, 1, 1, 8, 11, 11, 11, 11, 11, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 0, 0, 0, 0, 0, 0, 44, 44, 47, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 0, 106, 106, 0, 111, 111, 111, 111, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 130, 130, 130, 130, 0, 155, 155, 155, 155, 156, 156, 155, 155, 157, 159, 161, 163, 165, 169, 0, 0, 0, 183, 183, 183, 183, 186, 189, 0, 0, 208, 210, 212, 215, 215, 219, 0, 227, 227, 227, 227 ] class << self attr_accessor :re_scanner_start end self.re_scanner_start = 113; class << self attr_accessor :re_scanner_first_final end self.re_scanner_first_final = 113; class << self attr_accessor :re_scanner_error end self.re_scanner_error = 0; class << self attr_accessor :re_scanner_en_char_type end self.re_scanner_en_char_type = 128; class << self attr_accessor :re_scanner_en_unicode_property end self.re_scanner_en_unicode_property = 129; class << self attr_accessor :re_scanner_en_character_set end self.re_scanner_en_character_set = 130; class << self attr_accessor :re_scanner_en_set_escape_sequence end self.re_scanner_en_set_escape_sequence = 137; class << self attr_accessor :re_scanner_en_escape_sequence end self.re_scanner_en_escape_sequence = 138; class << self attr_accessor :re_scanner_en_conditional_expression end self.re_scanner_en_conditional_expression = 145; class << self attr_accessor :re_scanner_en_main end self.re_scanner_en_main = 113; # line 808 "/Users/jannoschmuller/code/regexp_parser/lib/regexp_parser/scanner/scanner.rl" # line 1131 "/Users/jannoschmuller/code/regexp_parser/lib/regexp_parser/scanner.rb" begin p ||= 0 pe ||= data.length cs = re_scanner_start top = 0 ts = nil te = nil act = 0 end # line 809 "/Users/jannoschmuller/code/regexp_parser/lib/regexp_parser/scanner/scanner.rl" # line 1144 "/Users/jannoschmuller/code/regexp_parser/lib/regexp_parser/scanner.rb" begin testEof = false _slen, _trans, _keys, _inds, _acts, _nacts = nil _goto_level = 0 _resume = 10 _eof_trans = 15 _again = 20 _test_eof = 30 _out = 40 while true if _goto_level <= 0 if p == pe _goto_level = _test_eof next end if cs == 0 _goto_level = _out next end end if _goto_level <= _resume case _re_scanner_from_state_actions[cs] when 38 then # line 1 "NONE" begin ts = p end # line 1172 "/Users/jannoschmuller/code/regexp_parser/lib/regexp_parser/scanner.rb" end _keys = cs << 1 _inds = _re_scanner_index_offsets[cs] _slen = _re_scanner_key_spans[cs] _wide = data[p].ord _trans = if ( _slen > 0 && _re_scanner_trans_keys[_keys] <= _wide && _wide <= _re_scanner_trans_keys[_keys + 1] ) then _re_scanner_indicies[ _inds + _wide - _re_scanner_trans_keys[_keys] ] else _re_scanner_indicies[ _inds + _slen ] end end if _goto_level <= _eof_trans cs = _re_scanner_trans_targs[_trans] if _re_scanner_trans_actions[_trans] != 0 case _re_scanner_trans_actions[_trans] when 14 then # line 130 "/Users/jannoschmuller/code/regexp_parser/lib/regexp_parser/scanner/scanner.rl" begin text = ts ? copy(data, ts-1..-1) : data.pack('c*') raise PrematureEndError.new( text ) end when 7 then # line 143 "/Users/jannoschmuller/code/regexp_parser/lib/regexp_parser/scanner/scanner.rl" begin self.group_depth = group_depth - 1; in_group = group_depth > 0 ? true : false end when 26 then # line 1 "NONE" begin te = p+1 end when 62 then # line 12 "/Users/jannoschmuller/code/regexp_parser/lib/regexp_parser/scanner/char_type.rl" begin te = p+1 begin case text = text(data, ts, te, 1).first when '\d'; emit(:type, :digit, text, ts - 1, te) when '\D'; emit(:type, :nondigit, text, ts - 1, te) when '\h'; emit(:type, :hex, text, ts - 1, te) when '\H'; emit(:type, :nonhex, text, ts - 1, te) when '\s'; emit(:type, :space, text, ts - 1, te) when '\S'; emit(:type, :nonspace, text, ts - 1, te) when '\w'; emit(:type, :word, text, ts - 1, te) when '\W'; emit(:type, :nonword, text, ts - 1, te) when '\R'; emit(:type, :linebreak, text, ts - 1, te) when '\X'; emit(:type, :xgrapheme, text, ts - 1, te) else raise ScannerError.new( "Unexpected character in type at #{text} (char #{ts})") end begin top -= 1 cs = stack[top] _goto_level = _again next end end end when 16 then # line 16 "/Users/jannoschmuller/code/regexp_parser/lib/regexp_parser/scanner/property.rl" begin te = p+1 begin text = text(data, ts, te, 1).first type = (text[1] == 'P') ^ (text[3] == '^') ? :nonproperty : :property name = data[ts+2..te-2].pack('c*').gsub(/[\^\s_\-]/, '').downcase token = self.class.short_prop_map[name] || self.class.long_prop_map[name] raise UnknownUnicodePropertyError.new(name) unless token self.emit(type, token.to_sym, text, ts-1, te) begin top -= 1 cs = stack[top] _goto_level = _again next end end end when 65 then # line 149 "/Users/jannoschmuller/code/regexp_parser/lib/regexp_parser/scanner/scanner.rl" begin te = p+1 begin set_depth -= 1 in_set = set_depth > 0 ? true : false emit(:set, :close, *text(data, ts, te)) if set_depth == 0 begin cs = 113 _goto_level = _again next end else begin top -= 1 cs = stack[top] _goto_level = _again next end end end end when 70 then # line 162 "/Users/jannoschmuller/code/regexp_parser/lib/regexp_parser/scanner/scanner.rl" begin te = p+1 begin # special case, emits two tokens set_depth -= 1 in_set = set_depth > 0 ? true : false emit(:literal, :literal, copy(data, ts..te-2), ts, te) emit(:set, :close, copy(data, ts+1..te-1), ts, te) if set_depth == 0 begin cs = 113 _goto_level = _again next end else begin top -= 1 cs = stack[top] _goto_level = _again next end end end end when 20 then # line 176 "/Users/jannoschmuller/code/regexp_parser/lib/regexp_parser/scanner/scanner.rl" begin te = p+1 begin # special case, emits two tokens emit(:literal, :literal, '-', ts, te) emit(:set, :intersection, '&&', ts, te) end end when 66 then # line 181 "/Users/jannoschmuller/code/regexp_parser/lib/regexp_parser/scanner/scanner.rl" begin te = p+1 begin text = text(data, ts, te).first if tokens.last[1] == :open emit(:set, :negate, text, ts, te) else emit(:literal, :literal, text, ts, te) end end end when 68 then # line 202 "/Users/jannoschmuller/code/regexp_parser/lib/regexp_parser/scanner/scanner.rl" begin te = p+1 begin emit(:set, :intersection, *text(data, ts, te)) end end when 64 then # line 206 "/Users/jannoschmuller/code/regexp_parser/lib/regexp_parser/scanner/scanner.rl" begin te = p+1 begin begin stack[top] = cs top+= 1 cs = 137 _goto_level = _again next end end end when 24 then # line 217 "/Users/jannoschmuller/code/regexp_parser/lib/regexp_parser/scanner/scanner.rl" begin te = p+1 begin text = text(data, ts, te).first type = :posixclass class_name = text[2..-3] if class_name[0].chr == '^' class_name = class_name[1..-1] type = :nonposixclass end emit(type, class_name.to_sym, text, ts, te) end end when 23 then # line 230 "/Users/jannoschmuller/code/regexp_parser/lib/regexp_parser/scanner/scanner.rl" begin te = p+1 begin emit(:set, :collation, *text(data, ts, te)) end end when 25 then # line 234 "/Users/jannoschmuller/code/regexp_parser/lib/regexp_parser/scanner/scanner.rl" begin te = p+1 begin emit(:set, :equivalent, *text(data, ts, te)) end end when 63 then # line 238 "/Users/jannoschmuller/code/regexp_parser/lib/regexp_parser/scanner/scanner.rl" begin te = p+1 begin emit(:literal, :literal, *text(data, ts, te)) end end when 18 then # line 246 "/Users/jannoschmuller/code/regexp_parser/lib/regexp_parser/scanner/scanner.rl" begin te = p+1 begin char, *rest = *text(data, ts, te) char.force_encoding('utf-8') if char.respond_to?(:force_encoding) emit(:literal, :literal, char, *rest) end end when 69 then # line 190 "/Users/jannoschmuller/code/regexp_parser/lib/regexp_parser/scanner/scanner.rl" begin te = p p = p - 1; begin text = text(data, ts, te).first # ranges cant start with a subset or intersection/negation/range operator if tokens.last[0] == :set emit(:literal, :literal, text, ts, te) else emit(:set, :range, text, ts, te) end end end when 72 then # line 210 "/Users/jannoschmuller/code/regexp_parser/lib/regexp_parser/scanner/scanner.rl" begin te = p p = p - 1; begin set_depth += 1 emit(:set, :open, *text(data, ts, te)) begin stack[top] = cs top+= 1 cs = 130 _goto_level = _again next end end end when 67 then # line 246 "/Users/jannoschmuller/code/regexp_parser/lib/regexp_parser/scanner/scanner.rl" begin te = p p = p - 1; begin char, *rest = *text(data, ts, te) char.force_encoding('utf-8') if char.respond_to?(:force_encoding) emit(:literal, :literal, char, *rest) end end when 19 then # line 190 "/Users/jannoschmuller/code/regexp_parser/lib/regexp_parser/scanner/scanner.rl" begin begin p = ((te))-1; end begin text = text(data, ts, te).first # ranges cant start with a subset or intersection/negation/range operator if tokens.last[0] == :set emit(:literal, :literal, text, ts, te) else emit(:set, :range, text, ts, te) end end end when 22 then # line 210 "/Users/jannoschmuller/code/regexp_parser/lib/regexp_parser/scanner/scanner.rl" begin begin p = ((te))-1; end begin set_depth += 1 emit(:set, :open, *text(data, ts, te)) begin stack[top] = cs top+= 1 cs = 130 _goto_level = _again next end end end when 17 then # line 246 "/Users/jannoschmuller/code/regexp_parser/lib/regexp_parser/scanner/scanner.rl" begin begin p = ((te))-1; end begin char, *rest = *text(data, ts, te) char.force_encoding('utf-8') if char.respond_to?(:force_encoding) emit(:literal, :literal, char, *rest) end end when 74 then # line 256 "/Users/jannoschmuller/code/regexp_parser/lib/regexp_parser/scanner/scanner.rl" begin te = p+1 begin emit(:escape, :literal, *text(data, ts, te, 1)) begin top -= 1 cs = stack[top] _goto_level = _again next end end end when 73 then # line 261 "/Users/jannoschmuller/code/regexp_parser/lib/regexp_parser/scanner/scanner.rl" begin te = p+1 begin p = p - 1; cs = 130; begin stack[top] = cs top+= 1 cs = 138 _goto_level = _again next end end end when 79 then # line 272 "/Users/jannoschmuller/code/regexp_parser/lib/regexp_parser/scanner/scanner.rl" begin te = p+1 begin text = text(data, ts, te, 1).first emit(:backref, :number, text, ts-1, te) begin top -= 1 cs = stack[top] _goto_level = _again next end end end when 85 then # line 278 "/Users/jannoschmuller/code/regexp_parser/lib/regexp_parser/scanner/scanner.rl" begin te = p+1 begin emit(:escape, :octal, *text(data, ts, te, 1)) begin top -= 1 cs = stack[top] _goto_level = _again next end end end when 76 then # line 283 "/Users/jannoschmuller/code/regexp_parser/lib/regexp_parser/scanner/scanner.rl" begin te = p+1 begin case text = text(data, ts, te, 1).first when '\.'; emit(:escape, :dot, text, ts-1, te) when '\|'; emit(:escape, :alternation, text, ts-1, te) when '\^'; emit(:escape, :bol, text, ts-1, te) when '\$'; emit(:escape, :eol, text, ts-1, te) when '\?'; emit(:escape, :zero_or_one, text, ts-1, te) when '\*'; emit(:escape, :zero_or_more, text, ts-1, te) when '\+'; emit(:escape, :one_or_more, text, ts-1, te) when '\('; emit(:escape, :group_open, text, ts-1, te) when '\)'; emit(:escape, :group_close, text, ts-1, te) when '\{'; emit(:escape, :interval_open, text, ts-1, te) when '\}'; emit(:escape, :interval_close, text, ts-1, te) when '\['; emit(:escape, :set_open, text, ts-1, te) when '\]'; emit(:escape, :set_close, text, ts-1, te) when "\\\\"; emit(:escape, :backslash, text, ts-1, te) end begin top -= 1 cs = stack[top] _goto_level = _again next end end end when 82 then # line 304 "/Users/jannoschmuller/code/regexp_parser/lib/regexp_parser/scanner/scanner.rl" begin te = p+1 begin # \b is emitted as backspace only when inside a character set, otherwise # it is a word boundary anchor. A syntax might "normalize" it if needed. case text = text(data, ts, te, 1).first when '\a'; emit(:escape, :bell, text, ts-1, te) when '\b'; emit(:escape, :backspace, text, ts-1, te) when '\e'; emit(:escape, :escape, text, ts-1, te) when '\f'; emit(:escape, :form_feed, text, ts-1, te) when '\n'; emit(:escape, :newline, text, ts-1, te) when '\r'; emit(:escape, :carriage, text, ts-1, te) when '\t'; emit(:escape, :tab, text, ts-1, te) when '\v'; emit(:escape, :vertical_tab, text, ts-1, te) end begin top -= 1 cs = stack[top] _goto_level = _again next end end end when 33 then # line 320 "/Users/jannoschmuller/code/regexp_parser/lib/regexp_parser/scanner/scanner.rl" begin te = p+1 begin text = text(data, ts, te, 1).first if text[2].chr == '{' emit(:escape, :codepoint_list, text, ts-1, te) else emit(:escape, :codepoint, text, ts-1, te) end begin top -= 1 cs = stack[top] _goto_level = _again next end end end when 92 then # line 330 "/Users/jannoschmuller/code/regexp_parser/lib/regexp_parser/scanner/scanner.rl" begin te = p+1 begin emit(:escape, :hex, *text(data, ts, te, 1)) begin top -= 1 cs = stack[top] _goto_level = _again next end end end when 29 then # line 339 "/Users/jannoschmuller/code/regexp_parser/lib/regexp_parser/scanner/scanner.rl" begin te = p+1 begin if data[te] c = data[te].chr if c =~ /[\x00-\x7F]/ emit(:escape, :control, copy(data, ts-1..te), ts-1, te+1) p += 1 else raise InvalidSequenceError.new("control sequence") end else raise PrematureEndError.new("control sequence") end begin top -= 1 cs = stack[top] _goto_level = _again next end end end when 32 then # line 354 "/Users/jannoschmuller/code/regexp_parser/lib/regexp_parser/scanner/scanner.rl" begin te = p+1 begin if data[te] c = data[te].chr if c =~ /[\x00-\x7F]/ emit(:escape, :meta_sequence, copy(data, ts-1..te), ts-1, te+1) p += 1 else raise InvalidSequenceError.new("meta sequence") end else raise PrematureEndError.new("meta sequence") end begin top -= 1 cs = stack[top] _goto_level = _again next end end end when 80 then # line 369 "/Users/jannoschmuller/code/regexp_parser/lib/regexp_parser/scanner/scanner.rl" begin te = p+1 begin p = p - 1; cs = ((in_set ? 130 : 113)); begin stack[top] = cs top+= 1 cs = 128 _goto_level = _again next end end end when 81 then # line 375 "/Users/jannoschmuller/code/regexp_parser/lib/regexp_parser/scanner/scanner.rl" begin te = p+1 begin p = p - 1; cs = ((in_set ? 130 : 113)); begin stack[top] = cs top+= 1 cs = 129 _goto_level = _again next end end end when 75 then # line 381 "/Users/jannoschmuller/code/regexp_parser/lib/regexp_parser/scanner/scanner.rl" begin te = p+1 begin emit(:escape, :literal, *text(data, ts, te, 1)) begin top -= 1 cs = stack[top] _goto_level = _again next end end end when 84 then # line 278 "/Users/jannoschmuller/code/regexp_parser/lib/regexp_parser/scanner/scanner.rl" begin te = p p = p - 1; begin emit(:escape, :octal, *text(data, ts, te, 1)) begin top -= 1 cs = stack[top] _goto_level = _again next end end end when 91 then # line 330 "/Users/jannoschmuller/code/regexp_parser/lib/regexp_parser/scanner/scanner.rl" begin te = p p = p - 1; begin emit(:escape, :hex, *text(data, ts, te, 1)) begin top -= 1 cs = stack[top] _goto_level = _again next end end end when 87 then # line 339 "/Users/jannoschmuller/code/regexp_parser/lib/regexp_parser/scanner/scanner.rl" begin te = p p = p - 1; begin if data[te] c = data[te].chr if c =~ /[\x00-\x7F]/ emit(:escape, :control, copy(data, ts-1..te), ts-1, te+1) p += 1 else raise InvalidSequenceError.new("control sequence") end else raise PrematureEndError.new("control sequence") end begin top -= 1 cs = stack[top] _goto_level = _again next end end end when 89 then # line 354 "/Users/jannoschmuller/code/regexp_parser/lib/regexp_parser/scanner/scanner.rl" begin te = p p = p - 1; begin if data[te] c = data[te].chr if c =~ /[\x00-\x7F]/ emit(:escape, :meta_sequence, copy(data, ts-1..te), ts-1, te+1) p += 1 else raise InvalidSequenceError.new("meta sequence") end else raise PrematureEndError.new("meta sequence") end begin top -= 1 cs = stack[top] _goto_level = _again next end end end when 28 then # line 339 "/Users/jannoschmuller/code/regexp_parser/lib/regexp_parser/scanner/scanner.rl" begin begin p = ((te))-1; end begin if data[te] c = data[te].chr if c =~ /[\x00-\x7F]/ emit(:escape, :control, copy(data, ts-1..te), ts-1, te+1) p += 1 else raise InvalidSequenceError.new("control sequence") end else raise PrematureEndError.new("control sequence") end begin top -= 1 cs = stack[top] _goto_level = _again next end end end when 31 then # line 354 "/Users/jannoschmuller/code/regexp_parser/lib/regexp_parser/scanner/scanner.rl" begin begin p = ((te))-1; end begin if data[te] c = data[te].chr if c =~ /[\x00-\x7F]/ emit(:escape, :meta_sequence, copy(data, ts-1..te), ts-1, te+1) p += 1 else raise InvalidSequenceError.new("meta sequence") end else raise PrematureEndError.new("meta sequence") end begin top -= 1 cs = stack[top] _goto_level = _again next end end end when 83 then # line 1 "NONE" begin case act when 18 then begin begin p = ((te))-1; end text = text(data, ts, te, 1).first emit(:backref, :number, text, ts-1, te) begin top -= 1 cs = stack[top] _goto_level = _again next end end when 19 then begin begin p = ((te))-1; end emit(:escape, :octal, *text(data, ts, te, 1)) begin top -= 1 cs = stack[top] _goto_level = _again next end end end end when 36 then # line 391 "/Users/jannoschmuller/code/regexp_parser/lib/regexp_parser/scanner/scanner.rl" begin te = p+1 begin text = text(data, ts, te-1).first emit(:conditional, :condition, text, ts, te-1) emit(:conditional, :condition_close, ')', te-1, te) end end when 93 then # line 397 "/Users/jannoschmuller/code/regexp_parser/lib/regexp_parser/scanner/scanner.rl" begin te = p+1 begin p = p - 1; begin stack[top] = cs top+= 1 cs = 113 _goto_level = _again next end end end when 94 then # line 397 "/Users/jannoschmuller/code/regexp_parser/lib/regexp_parser/scanner/scanner.rl" begin te = p p = p - 1; begin p = p - 1; begin stack[top] = cs top+= 1 cs = 113 _goto_level = _again next end end end when 35 then # line 397 "/Users/jannoschmuller/code/regexp_parser/lib/regexp_parser/scanner/scanner.rl" begin begin p = ((te))-1; end begin p = p - 1; begin stack[top] = cs top+= 1 cs = 113 _goto_level = _again next end end end when 42 then # line 410 "/Users/jannoschmuller/code/regexp_parser/lib/regexp_parser/scanner/scanner.rl" begin te = p+1 begin emit(:meta, :dot, *text(data, ts, te)) end end when 45 then # line 414 "/Users/jannoschmuller/code/regexp_parser/lib/regexp_parser/scanner/scanner.rl" begin te = p+1 begin if in_conditional and conditional_stack.length > 0 and conditional_stack.last[1] == group_depth emit(:conditional, :separator, *text(data, ts, te)) else emit(:meta, :alternation, *text(data, ts, te)) end end end when 44 then # line 425 "/Users/jannoschmuller/code/regexp_parser/lib/regexp_parser/scanner/scanner.rl" begin te = p+1 begin emit(:anchor, :bol, *text(data, ts, te)) end end when 39 then # line 429 "/Users/jannoschmuller/code/regexp_parser/lib/regexp_parser/scanner/scanner.rl" begin te = p+1 begin emit(:anchor, :eol, *text(data, ts, te)) end end when 58 then # line 433 "/Users/jannoschmuller/code/regexp_parser/lib/regexp_parser/scanner/scanner.rl" begin te = p+1 begin emit(:keep, :mark, *text(data, ts, te)) end end when 57 then # line 437 "/Users/jannoschmuller/code/regexp_parser/lib/regexp_parser/scanner/scanner.rl" begin te = p+1 begin case text = text(data, ts, te).first when '\\A'; emit(:anchor, :bos, text, ts, te) when '\\z'; emit(:anchor, :eos, text, ts, te) when '\\Z'; emit(:anchor, :eos_ob_eol, text, ts, te) when '\\b'; emit(:anchor, :word_boundary, text, ts, te) when '\\B'; emit(:anchor, :nonword_boundary, text, ts, te) when '\\G'; emit(:anchor, :match_start, text, ts, te) else raise ScannerError.new( "Unexpected character in anchor at #{text} (char #{ts})") end end end when 43 then # line 453 "/Users/jannoschmuller/code/regexp_parser/lib/regexp_parser/scanner/scanner.rl" begin te = p+1 begin set_depth += 1 in_set = true emit(:set, :open, *text(data, ts, te)) begin stack[top] = cs top+= 1 cs = 130 _goto_level = _again next end end end when 8 then # line 465 "/Users/jannoschmuller/code/regexp_parser/lib/regexp_parser/scanner/scanner.rl" begin te = p+1 begin text = text(data, ts, te).first in_conditional = true unless in_conditional conditional_depth += 1 conditional_stack << [conditional_depth, group_depth] emit(:conditional, :open, text[0..-2], ts, te-1) emit(:conditional, :condition_open, '(', te-1, te) begin stack[top] = cs top+= 1 cs = 145 _goto_level = _again next end end end when 9 then # line 498 "/Users/jannoschmuller/code/regexp_parser/lib/regexp_parser/scanner/scanner.rl" begin te = p+1 begin p = scan_options(p, data, ts, te) end end when 6 then # line 508 "/Users/jannoschmuller/code/regexp_parser/lib/regexp_parser/scanner/scanner.rl" begin te = p+1 begin case text = text(data, ts, te).first when '(?='; emit(:assertion, :lookahead, text, ts, te) when '(?!'; emit(:assertion, :nlookahead, text, ts, te) when '(?<='; emit(:assertion, :lookbehind, text, ts, te) when '(?'; emit(:group, :atomic, text, ts, te) when '(?~'; emit(:group, :absence, text, ts, te) when /^\(\?<(\w*)>/ empty_name_error(:group, 'named group (ab)') if $1.empty? emit(:group, :named_ab, text, ts, te) when /^\(\?'(\w*)'/ empty_name_error(:group, 'named group (sq)') if $1.empty? emit(:group, :named_sq, text, ts, te) else raise ScannerError.new( "Unknown subexpression group format '#{text}'") end end end when 13 then # line 577 "/Users/jannoschmuller/code/regexp_parser/lib/regexp_parser/scanner/scanner.rl" begin te = p+1 begin case text = text(data, ts, te).first when /^\\([gk])<>/ # angle brackets empty_backref_error("ref/call (ab)") when /^\\([gk])''/ # single quotes empty_backref_error("ref/call (sq)") when /^\\([gk])<[^\d+-]\w*>/ # angle-brackets if $1 == 'k' emit(:backref, :name_ref_ab, text, ts, te) else emit(:backref, :name_call_ab, text, ts, te) end when /^\\([gk])'[^\d+-]\w*'/ #single quotes if $1 == 'k' emit(:backref, :name_ref_sq, text, ts, te) else emit(:backref, :name_call_sq, text, ts, te) end when /^\\([gk])<\d+>/ # angle-brackets if $1 == 'k' emit(:backref, :number_ref_ab, text, ts, te) else emit(:backref, :number_call_ab, text, ts, te) end when /^\\([gk])'\d+'/ # single quotes if $1 == 'k' emit(:backref, :number_ref_sq, text, ts, te) else emit(:backref, :number_call_sq, text, ts, te) end when /^\\(?:g<\+|g<-|(k)<-)\d+>/ # angle-brackets if $1 == 'k' emit(:backref, :number_rel_ref_ab, text, ts, te) else emit(:backref, :number_rel_call_ab, text, ts, te) end when /^\\(?:g'\+|g'-|(k)'-)\d+'/ # single quotes if $1 == 'k' emit(:backref, :number_rel_ref_sq, text, ts, te) else emit(:backref, :number_rel_call_sq, text, ts, te) end when /^\\k<[^\d+\-]\w*[+\-]\d+>/ # angle-brackets emit(:backref, :name_recursion_ref_ab, text, ts, te) when /^\\k'[^\d+\-]\w*[+\-]\d+'/ # single-quotes emit(:backref, :name_recursion_ref_sq, text, ts, te) when /^\\([gk])<[+\-]?\d+[+\-]\d+>/ # angle-brackets emit(:backref, :number_recursion_ref_ab, text, ts, te) when /^\\([gk])'[+\-]?\d+[+\-]\d+'/ # single-quotes emit(:backref, :number_recursion_ref_sq, text, ts, te) else raise ScannerError.new( "Unknown backreference format '#{text}'") end end end when 55 then # line 648 "/Users/jannoschmuller/code/regexp_parser/lib/regexp_parser/scanner/scanner.rl" begin te = p+1 begin case text = text(data, ts, te).first when '?' ; emit(:quantifier, :zero_or_one, text, ts, te) when '??'; emit(:quantifier, :zero_or_one_reluctant, text, ts, te) when '?+'; emit(:quantifier, :zero_or_one_possessive, text, ts, te) end end end when 51 then # line 656 "/Users/jannoschmuller/code/regexp_parser/lib/regexp_parser/scanner/scanner.rl" begin te = p+1 begin case text = text(data, ts, te).first when '*' ; emit(:quantifier, :zero_or_more, text, ts, te) when '*?'; emit(:quantifier, :zero_or_more_reluctant, text, ts, te) when '*+'; emit(:quantifier, :zero_or_more_possessive, text, ts, te) end end end when 53 then # line 664 "/Users/jannoschmuller/code/regexp_parser/lib/regexp_parser/scanner/scanner.rl" begin te = p+1 begin case text = text(data, ts, te).first when '+' ; emit(:quantifier, :one_or_more, text, ts, te) when '+?'; emit(:quantifier, :one_or_more_reluctant, text, ts, te) when '++'; emit(:quantifier, :one_or_more_possessive, text, ts, te) end end end when 60 then # line 672 "/Users/jannoschmuller/code/regexp_parser/lib/regexp_parser/scanner/scanner.rl" begin te = p+1 begin emit(:quantifier, :interval, *text(data, ts, te)) end end when 4 then # line 682 "/Users/jannoschmuller/code/regexp_parser/lib/regexp_parser/scanner/scanner.rl" begin te = p+1 begin if free_spacing emit(:free_space, :comment, *text(data, ts, te)) else append_literal(data, ts, te) end end end when 48 then # line 547 "/Users/jannoschmuller/code/regexp_parser/lib/regexp_parser/scanner/scanner.rl" begin te = p p = p - 1; begin text = text(data, ts, te).first emit(:group, :capture, text, ts, te) end end when 54 then # line 648 "/Users/jannoschmuller/code/regexp_parser/lib/regexp_parser/scanner/scanner.rl" begin te = p p = p - 1; begin case text = text(data, ts, te).first when '?' ; emit(:quantifier, :zero_or_one, text, ts, te) when '??'; emit(:quantifier, :zero_or_one_reluctant, text, ts, te) when '?+'; emit(:quantifier, :zero_or_one_possessive, text, ts, te) end end end when 50 then # line 656 "/Users/jannoschmuller/code/regexp_parser/lib/regexp_parser/scanner/scanner.rl" begin te = p p = p - 1; begin case text = text(data, ts, te).first when '*' ; emit(:quantifier, :zero_or_more, text, ts, te) when '*?'; emit(:quantifier, :zero_or_more_reluctant, text, ts, te) when '*+'; emit(:quantifier, :zero_or_more_possessive, text, ts, te) end end end when 52 then # line 664 "/Users/jannoschmuller/code/regexp_parser/lib/regexp_parser/scanner/scanner.rl" begin te = p p = p - 1; begin case text = text(data, ts, te).first when '+' ; emit(:quantifier, :one_or_more, text, ts, te) when '+?'; emit(:quantifier, :one_or_more_reluctant, text, ts, te) when '++'; emit(:quantifier, :one_or_more_possessive, text, ts, te) end end end when 59 then # line 672 "/Users/jannoschmuller/code/regexp_parser/lib/regexp_parser/scanner/scanner.rl" begin te = p p = p - 1; begin emit(:quantifier, :interval, *text(data, ts, te)) end end when 56 then # line 678 "/Users/jannoschmuller/code/regexp_parser/lib/regexp_parser/scanner/scanner.rl" begin te = p p = p - 1; begin begin stack[top] = cs top+= 1 cs = 138 _goto_level = _again next end end end when 47 then # line 690 "/Users/jannoschmuller/code/regexp_parser/lib/regexp_parser/scanner/scanner.rl" begin te = p p = p - 1; begin if free_spacing emit(:free_space, :whitespace, *text(data, ts, te)) else append_literal(data, ts, te) end end end when 46 then # line 705 "/Users/jannoschmuller/code/regexp_parser/lib/regexp_parser/scanner/scanner.rl" begin te = p p = p - 1; begin append_literal(data, ts, te) end end when 5 then # line 547 "/Users/jannoschmuller/code/regexp_parser/lib/regexp_parser/scanner/scanner.rl" begin begin p = ((te))-1; end begin text = text(data, ts, te).first emit(:group, :capture, text, ts, te) end end when 12 then # line 678 "/Users/jannoschmuller/code/regexp_parser/lib/regexp_parser/scanner/scanner.rl" begin begin p = ((te))-1; end begin begin stack[top] = cs top+= 1 cs = 138 _goto_level = _again next end end end when 3 then # line 705 "/Users/jannoschmuller/code/regexp_parser/lib/regexp_parser/scanner/scanner.rl" begin begin p = ((te))-1; end begin append_literal(data, ts, te) end end when 1 then # line 1 "NONE" begin case act when 0 then begin begin cs = 0 _goto_level = _again next end end when 54 then begin begin p = ((te))-1; end append_literal(data, ts, te) end end end when 71 then # line 130 "/Users/jannoschmuller/code/regexp_parser/lib/regexp_parser/scanner/scanner.rl" begin text = ts ? copy(data, ts-1..-1) : data.pack('c*') raise PrematureEndError.new( text ) end # line 210 "/Users/jannoschmuller/code/regexp_parser/lib/regexp_parser/scanner/scanner.rl" begin te = p p = p - 1; begin set_depth += 1 emit(:set, :open, *text(data, ts, te)) begin stack[top] = cs top+= 1 cs = 130 _goto_level = _again next end end end when 21 then # line 130 "/Users/jannoschmuller/code/regexp_parser/lib/regexp_parser/scanner/scanner.rl" begin text = ts ? copy(data, ts-1..-1) : data.pack('c*') raise PrematureEndError.new( text ) end # line 210 "/Users/jannoschmuller/code/regexp_parser/lib/regexp_parser/scanner/scanner.rl" begin begin p = ((te))-1; end begin set_depth += 1 emit(:set, :open, *text(data, ts, te)) begin stack[top] = cs top+= 1 cs = 130 _goto_level = _again next end end end when 90 then # line 130 "/Users/jannoschmuller/code/regexp_parser/lib/regexp_parser/scanner/scanner.rl" begin text = ts ? copy(data, ts-1..-1) : data.pack('c*') raise PrematureEndError.new( text ) end # line 330 "/Users/jannoschmuller/code/regexp_parser/lib/regexp_parser/scanner/scanner.rl" begin te = p p = p - 1; begin emit(:escape, :hex, *text(data, ts, te, 1)) begin top -= 1 cs = stack[top] _goto_level = _again next end end end when 86 then # line 130 "/Users/jannoschmuller/code/regexp_parser/lib/regexp_parser/scanner/scanner.rl" begin text = ts ? copy(data, ts-1..-1) : data.pack('c*') raise PrematureEndError.new( text ) end # line 339 "/Users/jannoschmuller/code/regexp_parser/lib/regexp_parser/scanner/scanner.rl" begin te = p p = p - 1; begin if data[te] c = data[te].chr if c =~ /[\x00-\x7F]/ emit(:escape, :control, copy(data, ts-1..te), ts-1, te+1) p += 1 else raise InvalidSequenceError.new("control sequence") end else raise PrematureEndError.new("control sequence") end begin top -= 1 cs = stack[top] _goto_level = _again next end end end when 88 then # line 130 "/Users/jannoschmuller/code/regexp_parser/lib/regexp_parser/scanner/scanner.rl" begin text = ts ? copy(data, ts-1..-1) : data.pack('c*') raise PrematureEndError.new( text ) end # line 354 "/Users/jannoschmuller/code/regexp_parser/lib/regexp_parser/scanner/scanner.rl" begin te = p p = p - 1; begin if data[te] c = data[te].chr if c =~ /[\x00-\x7F]/ emit(:escape, :meta_sequence, copy(data, ts-1..te), ts-1, te+1) p += 1 else raise InvalidSequenceError.new("meta sequence") end else raise PrematureEndError.new("meta sequence") end begin top -= 1 cs = stack[top] _goto_level = _again next end end end when 27 then # line 130 "/Users/jannoschmuller/code/regexp_parser/lib/regexp_parser/scanner/scanner.rl" begin text = ts ? copy(data, ts-1..-1) : data.pack('c*') raise PrematureEndError.new( text ) end # line 339 "/Users/jannoschmuller/code/regexp_parser/lib/regexp_parser/scanner/scanner.rl" begin begin p = ((te))-1; end begin if data[te] c = data[te].chr if c =~ /[\x00-\x7F]/ emit(:escape, :control, copy(data, ts-1..te), ts-1, te+1) p += 1 else raise InvalidSequenceError.new("control sequence") end else raise PrematureEndError.new("control sequence") end begin top -= 1 cs = stack[top] _goto_level = _again next end end end when 30 then # line 130 "/Users/jannoschmuller/code/regexp_parser/lib/regexp_parser/scanner/scanner.rl" begin text = ts ? copy(data, ts-1..-1) : data.pack('c*') raise PrematureEndError.new( text ) end # line 354 "/Users/jannoschmuller/code/regexp_parser/lib/regexp_parser/scanner/scanner.rl" begin begin p = ((te))-1; end begin if data[te] c = data[te].chr if c =~ /[\x00-\x7F]/ emit(:escape, :meta_sequence, copy(data, ts-1..te), ts-1, te+1) p += 1 else raise InvalidSequenceError.new("meta sequence") end else raise PrematureEndError.new("meta sequence") end begin top -= 1 cs = stack[top] _goto_level = _again next end end end when 34 then # line 136 "/Users/jannoschmuller/code/regexp_parser/lib/regexp_parser/scanner/scanner.rl" begin text = ts ? copy(data, ts-1..-1) : data.pack('c*') raise InvalidSequenceError.new('sequence', text) end # line 335 "/Users/jannoschmuller/code/regexp_parser/lib/regexp_parser/scanner/scanner.rl" begin te = p+1 begin begin top -= 1 cs = stack[top] _goto_level = _again next end end end when 49 then # line 143 "/Users/jannoschmuller/code/regexp_parser/lib/regexp_parser/scanner/scanner.rl" begin self.group_depth = group_depth - 1; in_group = group_depth > 0 ? true : false end # line 142 "/Users/jannoschmuller/code/regexp_parser/lib/regexp_parser/scanner/scanner.rl" begin self.group_depth = group_depth + 1; in_group = true end when 11 then # line 143 "/Users/jannoschmuller/code/regexp_parser/lib/regexp_parser/scanner/scanner.rl" begin self.group_depth = group_depth - 1; in_group = group_depth > 0 ? true : false end # line 483 "/Users/jannoschmuller/code/regexp_parser/lib/regexp_parser/scanner/scanner.rl" begin te = p+1 begin emit(:group, :comment, *text(data, ts, te)) end end when 41 then # line 143 "/Users/jannoschmuller/code/regexp_parser/lib/regexp_parser/scanner/scanner.rl" begin self.group_depth = group_depth - 1; in_group = group_depth > 0 ? true : false end # line 552 "/Users/jannoschmuller/code/regexp_parser/lib/regexp_parser/scanner/scanner.rl" begin te = p+1 begin if in_conditional and conditional_stack.last and conditional_stack.last[1] == (group_depth + 1) emit(:conditional, :close, *text(data, ts, te)) conditional_stack.pop if conditional_stack.length == 0 in_conditional = false end else if spacing_stack.length > 1 and spacing_stack.last[:depth] == (group_depth + 1) spacing_stack.pop self.free_spacing = spacing_stack.last[:free_spacing] end emit(:group, :close, *text(data, ts, te)) end end end when 40 then # line 1 "NONE" begin te = p+1 end # line 142 "/Users/jannoschmuller/code/regexp_parser/lib/regexp_parser/scanner/scanner.rl" begin self.group_depth = group_depth + 1; in_group = true end when 78 then # line 1 "NONE" begin te = p+1 end # line 272 "/Users/jannoschmuller/code/regexp_parser/lib/regexp_parser/scanner/scanner.rl" begin act = 18; end when 77 then # line 1 "NONE" begin te = p+1 end # line 278 "/Users/jannoschmuller/code/regexp_parser/lib/regexp_parser/scanner/scanner.rl" begin act = 19; end when 2 then # line 1 "NONE" begin te = p+1 end # line 705 "/Users/jannoschmuller/code/regexp_parser/lib/regexp_parser/scanner/scanner.rl" begin act = 54; end # line 2680 "/Users/jannoschmuller/code/regexp_parser/lib/regexp_parser/scanner.rb" end end end if _goto_level <= _again case _re_scanner_to_state_actions[cs] when 61 then # line 1 "NONE" begin ts = nil; end when 37 then # line 1 "NONE" begin ts = nil; end # line 1 "NONE" begin act = 0 end # line 2698 "/Users/jannoschmuller/code/regexp_parser/lib/regexp_parser/scanner.rb" end if cs == 0 _goto_level = _out next end p += 1 if p != pe _goto_level = _resume next end end if _goto_level <= _test_eof if p == eof if _re_scanner_eof_trans[cs] > 0 _trans = _re_scanner_eof_trans[cs] - 1; _goto_level = _eof_trans next; end case _re_scanner_eof_actions[cs] when 15 then # line 8 "/Users/jannoschmuller/code/regexp_parser/lib/regexp_parser/scanner/property.rl" begin raise PrematureEndError.new('unicode property') end when 14 then # line 130 "/Users/jannoschmuller/code/regexp_parser/lib/regexp_parser/scanner/scanner.rl" begin text = ts ? copy(data, ts-1..-1) : data.pack('c*') raise PrematureEndError.new( text ) end # line 2732 "/Users/jannoschmuller/code/regexp_parser/lib/regexp_parser/scanner.rb" end end end if _goto_level <= _out break end end end # line 810 "/Users/jannoschmuller/code/regexp_parser/lib/regexp_parser/scanner/scanner.rl" # to avoid "warning: assigned but unused variable - testEof" testEof = testEof if cs == re_scanner_error text = ts ? copy(data, ts-1..-1) : data.pack('c*') raise ScannerError.new("Scan error at '#{text}'") end raise PrematureEndError.new("(missing group closing paranthesis) "+ "[#{in_group}:#{group_depth}]") if in_group raise PrematureEndError.new("(missing set closing bracket) "+ "[#{in_set}:#{set_depth}]") if in_set # when the entire expression is a literal run emit_literal if literal tokens end # lazy-load property maps when first needed require 'yaml' PROP_MAPS_DIR = File.expand_path('../scanner/properties', __FILE__) def self.short_prop_map @short_prop_map ||= YAML.load_file("#{PROP_MAPS_DIR}/short.yml") end def self.long_prop_map @long_prop_map ||= YAML.load_file("#{PROP_MAPS_DIR}/long.yml") end # Emits an array with the details of the scanned pattern def emit(type, token, text, ts, te) #puts "EMIT: type: #{type}, token: #{token}, text: #{text}, ts: #{ts}, te: #{te}" emit_literal if literal if block block.call type, token, text, ts, te end tokens << [type, token, text, ts, te] end private attr_accessor :tokens, :literal, :block, :in_group, :group_depth, :free_spacing, :spacing_stack # Ragel's regex-based scan of the group options introduced a lot of # ambiguity, so we just ask it to find the beginning of what looks # like an options run and handle the rest in here. def scan_options(p, data, ts, te) text = text(data, ts, te).first options_char, options_length = true, 0 # Copy while we have option characters. There is no maximum length, # as ruby allows things like '(?xxxxxxxxx-xxxxxxxxxxxxx:abc)'. negative_options = false while options_char if data[te + options_length] c = data[te + options_length].chr if c =~ /[-mixdau]/ negative_options = true if c == '-' raise InvalidGroupOption.new(c, text) if negative_options and c =~ /[dau]/ text << c ; p += 1 ; options_length += 1 else options_char = false end else raise PrematureEndError.new("expression options `#{text}'") end end if data[te + options_length] c = data[te + options_length].chr if c == ':' # Include the ':' in the options text text << c ; p += 1 ; options_length += 1 emit_options(text, ts, te + options_length) elsif c == ')' # Don't include the closing ')', let group_close handle it. emit_options(text, ts, te + options_length) else # Plain Regexp reports this as 'undefined group option' raise ScannerError.new( "Unexpected `#{c}' in options sequence, ':' or ')' expected") end else raise PrematureEndError.new("expression options `#{text}'") end p # return the new value of the data pointer end # Copy from ts to te from data as text def copy(data, range) data[range].pack('c*') end # Copy from ts to te from data as text, returning an array with the text # and the offsets used to copy it. def text(data, ts, te, soff = 0) [copy(data, ts-soff..te-1), ts-soff, te] end # Appends one or more characters to the literal buffer, to be emitted later # by a call to emit_literal. Contents can be a mix of ASCII and UTF-8. def append_literal(data, ts, te) self.literal = literal || [] literal << text(data, ts, te) end # Emits the literal run collected by calls to the append_literal method, # using the total start (ts) and end (te) offsets of the run. def emit_literal ts, te = literal.first[1], literal.last[2] text = literal.map {|t| t[0]}.join text.force_encoding('utf-8') if text.respond_to?(:force_encoding) self.literal = nil emit(:literal, :literal, text, ts, te) end def emit_options(text, ts, te) token = nil if text =~ /\(\?([mixdau]*)-?([mix]*)(:)?/ positive, negative, group_local = $1, $2, $3 if positive.include?('x') self.free_spacing = true end # If the x appears in both, treat it like ruby does, the second cancels # the first. if negative.include?('x') self.free_spacing = false end if group_local spacing_stack << {:free_spacing => free_spacing, :depth => group_depth} token = :options else # switch for parent group level spacing_stack.last[:free_spacing] = free_spacing token = :options_switch end end emit(:group, token, text, ts, te) end # Centralizes and unifies the handling of validation related # errors. def validation_error(type, what, reason) case type when :group error = InvalidGroupError.new(what, reason) when :backref error = InvalidBackrefError.new(what, reason) when :sequence error = InvalidSequenceError.new(what, reason) else error = ValidationError.new('expression') end raise error # unless @@config.validation_ignore end # Used for references with an empty name or number def empty_backref_error(type, what) validation_error(:backref, what, 'ref ID is empty') end # Used for named expressions with an empty name def empty_name_error(type, what) validation_error(type, what, 'name is empty') end end # module Regexp::Scanner