Remove some unused token declarations from Syntax

ammar · Oct 11, 2018 · 2bec44c · 2bec44c
1 parent 909c856
commit 2bec44c
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Showing 4 changed files with 5 additions and 11 deletions.
diff --git a/lib/regexp_parser/syntax/tokens/character_set.rb b/lib/regexp_parser/syntax/tokens/character_set.rb
@@ -5,7 +5,7 @@ module CharacterSet
       OpenClose = [:open, :close]
 
       Basic     = [:negate, :range]
-      Extended  = Basic + [:intersection, :backspace]
+      Extended  = Basic + [:intersection]
 
       All = Basic + Extended
       Type = :set

diff --git a/lib/regexp_parser/syntax/tokens/escape.rb b/lib/regexp_parser/syntax/tokens/escape.rb
@@ -1,10 +1,7 @@
 module Regexp::Syntax
   module Token
-
     module Escape
-      Basic     = [:backslash, :literal]
-
-      Backreference = [:digit]
+      Basic = [:backslash, :literal]
 
       Control = [:control, :meta_sequence]
 
@@ -24,11 +21,10 @@ module Escape
 
       Octal = [:octal]
 
-      All   = Basic + Backreference + ASCII + Meta
+      All   = Basic + ASCII + Meta
       Type  = :escape
     end
 
     Map[Escape::Type] = Escape::All
-
   end
 end
diff --git a/lib/regexp_parser/syntax/versions/1.8.6.rb b/lib/regexp_parser/syntax/versions/1.8.6.rb
@@ -8,8 +8,7 @@ def initialize
       implements :backref, [:number]
       implements :posixclass, PosixClass::Standard
       implements :escape,
-        Escape::Basic + Escape::Backreference +
-        Escape::ASCII + Escape::Meta + Escape::Control
+        Escape::Basic + Escape::ASCII + Escape::Meta + Escape::Control
 
       implements :group, Group::All
 

diff --git a/test/syntax/versions/test_1.9.1.rb b/test/syntax/versions/test_1.9.1.rb
@@ -10,8 +10,7 @@ def setup
   tests = {
     implements: {
       escape: [
-        Escape::Backreference + Escape::ASCII + Escape::Meta + Escape::Unicode +
-        Escape::Hex + Escape::Octal
+        Escape::ASCII + Escape::Meta + Escape::Unicode + Escape::Hex + Escape::Octal
       ].flatten,
 
       type: [