[Truffle] Very terse implementation of Array#rindex.

jruby · Feb 4, 2015 · dd523bb · chrisseaton · Feb 5, 2015 · nirvdrum
1 parent d05cd12
commit dd523bb
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Showing 2 changed files with 27 additions and 2 deletions.
diff --git a/spec/truffle/tags/core/array/rindex_tags.txt b/spec/truffle/tags/core/array/rindex_tags.txt
@@ -3,8 +3,6 @@ fails:Array#rindex returns size-1 if last element == to object
 fails:Array#rindex returns 0 if only first element == to object
 fails:Array#rindex returns nil if no element == to object
 fails:Array#rindex returns correct index even after delete_at
-fails:Array#rindex properly handles empty recursive arrays
-fails:Array#rindex properly handles recursive arrays
 fails:Array#rindex accepts a block instead of an argument
 fails:Array#rindex ignores the block if there is an argument
 fails:Array#rindex rechecks the array size during iteration

diff --git a/truffle/src/main/ruby/jruby/truffle/core/shims.rb b/truffle/src/main/ruby/jruby/truffle/core/shims.rb
@@ -154,10 +154,37 @@ def extended_modules(object)
     []
   end
 
+  def trap(signal)
+  end
+
+end
+
+class File
+  def gets
+    read.split("\n").first
+  end
+
+  def rewind
+  end
+
+  def set_encoding(encoding, internal_encoding)
+  end
 end
 
 class String
   def gsub(*args)
     dup.gsub!(*args)
   end
+end
+
+class Array
+  def rindex(obj)
+    index = nil
+
+    each_with_index do |e, i|
+      index = i if e == obj
+    end
+
+    index
+  end
 end