Whitelist regexp_parser warning and bump regexp_parser to 0.4.9

* Add regexp_xgrapheme_type

Gemfile.lock

@@ -15,7 +15,7 @@ PATH
       parallel (~> 1.3)
       parser (>= 2.3.1.4, < 2.5)
       procto (~> 0.0.2)
-      regexp_parser (~> 0.4.4)
+      regexp_parser (~> 0.4.9)
       unparser (~> 0.2.5)
     mutant-rspec (0.8.14)
       mutant (~> 0.8.14)
@@ -92,7 +92,7 @@ GEM
       equalizer (~> 0.0.9)
       ice_nine (~> 0.11.0)
       procto (~> 0.0.2)
-    parallel (1.11.2)
+    parallel (1.12.1)
     parser (2.4.0.0)
       ast (~> 2.2)
     path_expander (1.0.2)
@@ -105,7 +105,7 @@ GEM
       codeclimate-engine-rb (~> 0.4.0)
       parser (>= 2.4.0.0, < 2.5)
       rainbow (~> 2.0)
-    regexp_parser (0.4.4)
+    regexp_parser (0.4.9)
     rspec (3.5.0)
       rspec-core (~> 3.5.0)
       rspec-expectations (~> 3.5.0)
@@ -166,4 +166,4 @@ DEPENDENCIES
   mutant!
 
 BUNDLED WITH
-   1.15.1
+   1.15.4

lib/mutant/ast/regexp/transformer/direct.rb

@@ -75,6 +75,7 @@ class ASTToExpression < Transformer::ASTToExpression
               [:regexp_digit_type,               [:type,     :digit,            '\d'],           ::Regexp::Expression::CharacterType::Digit],
               [:regexp_space_type,               [:type,     :space,            '\s'],           ::Regexp::Expression::CharacterType::Space],
               [:regexp_word_type,                [:type,     :word,             '\w'],           ::Regexp::Expression::CharacterType::Word],
+              [:regexp_xgrapheme_type,           [:type,     :xgrapheme,        '\X'],           ::Regexp::Expression::CharacterType::ExtendedGrapheme],
               [:regexp_hex_type,                 [:type,     :hex,              '\h'],           ::Regexp::Expression::CharacterType::Hex],
               [:regexp_nonhex_type,              [:type,     :nonhex,           '\H'],           ::Regexp::Expression::CharacterType::NonHex],
               [:regexp_nondigit_type,            [:type,     :nondigit,         '\D'],           ::Regexp::Expression::CharacterType::NonDigit],

lib/mutant/ast/types.rb

@@ -125,6 +125,7 @@ module Types
         regexp_whitespace_free_space
         regexp_word_boundary_anchor
         regexp_word_type
+        regexp_xgrapheme_type
         regexp_zero_or_more_escape
         regexp_zero_or_one_escape
       ])

lib/mutant/mutator/node/generic.rb

@@ -54,6 +54,7 @@ class Generic < self
           regexp_space_type
           regexp_word_boundary_anchor
           regexp_word_type
+          regexp_xgrapheme_type
         ]
 
         # These nodes still need a dedicated mutator,

lib/mutant/mutator/node/regexp/character_type.rb

@@ -9,7 +9,8 @@ class CharacterType < Node
             regexp_hex_type:             :regexp_nonhex_type,
             regexp_space_type:           :regexp_nonspace_type,
             regexp_word_boundary_anchor: :regexp_nonword_boundary_anchor,
-            regexp_word_type:            :regexp_nonword_type
+            regexp_word_type:            :regexp_nonword_type,
+            regexp_xgrapheme_type:       :regexp_space_type
           }
 
           MAP = IceNine.deep_freeze(map.merge(map.invert))

meta/regexp/character_types.rb

@@ -3,7 +3,8 @@
   [:regexp_hex_type,             '/\h/'] => [:regexp_nonhex_type,             '/\H/'],
   [:regexp_space_type,           '/\s/'] => [:regexp_nonspace_type,           '/\S/'],
   [:regexp_word_boundary_anchor, '/\b/'] => [:regexp_nonword_boundary_anchor, '/\B/'],
-  [:regexp_word_type,            '/\w/'] => [:regexp_nonword_type,            '/\W/']
+  [:regexp_word_type,            '/\w/'] => [:regexp_nonword_type,            '/\W/'],
+  [:regexp_xgrapheme_type,       '/\X/'] => [:regexp_space_type,              '/\s/']
 }
 
 mutations = mutations.merge(mutations.invert)

mutant.gemspec

@@ -35,7 +35,7 @@ Gem::Specification.new do |gem|
   gem.add_runtime_dependency('equalizer',     '~> 0.0.9')
   gem.add_runtime_dependency('anima',         '~> 0.3.0')
   gem.add_runtime_dependency('concord',       '~> 0.1.5')
-  gem.add_runtime_dependency('regexp_parser', '~> 0.4.4')
+  gem.add_runtime_dependency('regexp_parser', '~> 0.4.9')
 
   gem.add_development_dependency('devtools', '~> 0.1.12')
   gem.add_development_dependency('bundler',  '~> 1.10')

spec/support/warnings.yml

@@ -3,3 +3,5 @@
 - 'lib/parallel.rb:227: warning: shadowing outer local variable - args'
 - 'lib/parser/lexer.rb:10922: warning: assigned but unused variable - testEof'
 - 'lib/regexp_parser/scanner.rb:1675: warning: assigned but unused variable - testEof'
+- 'lib/regexp_parser/scanner.rb:1692: warning: assigned but unused variable - testEof'
+- 'lib/regexp_parser/scanner.rb:1689: warning: assigned but unused variable - testEof'

spec/unit/mutant/ast/regexp_spec.rb

@@ -227,12 +227,7 @@ def self.expect_mapping(regexp, type, &block)
 )/, :regexp_comment_free_space) do
   s(:regexp_root_expression,
     s(:regexp_options_group, {
-        m: false,
-        i: false,
-        x: true,
-        d: false,
-        a: false,
-        u: false
+        x: true
       },
       s(:regexp_whitespace_free_space, ' '),
       s(:regexp_comment_free_space, "# comment\n")))
@@ -354,6 +349,11 @@ def self.expect_mapping(regexp, type, &block)
     s(:regexp_nonhex_type))
 end
 
+RegexpSpec.expect_mapping(/\X/, :regexp_xgrapheme_type) do
+  s(:regexp_root_expression,
+    s(:regexp_xgrapheme_type))
+end
+
 RegexpSpec.expect_mapping(/\}/, :regexp_interval_close_escape) do
   s(:regexp_root_expression,
     s(:regexp_interval_close_escape))
@@ -480,12 +480,7 @@ def self.expect_mapping(regexp, type, &block)
     s(:regexp_greedy_one_or_more, 1, -1,
       s(:regexp_options_group,
         {
-          m: false,
-          i: true,
-          x: false,
-          d: false,
-          a: false,
-          u: false
+          i: true
         },
         s(:regexp_literal_literal, 'a'))))
 end
@@ -494,12 +489,7 @@ def self.expect_mapping(regexp, type, &block)
   s(:regexp_root_expression,
     s(:regexp_options_group,
       {
-        m: false,
-        i: false,
-        x: true,
-        d: false,
-        a: false,
-        u: false
+        x: true
       },
       s(:regexp_whitespace_free_space, " \n ")))
 end