read_number lexer to not rely on eval().

Otherwise we can't run Rouge in $SAFE ≥ 3.
vic · Dec 3, 2012 · 19b1fa4 · 19b1fa4
1 parent 03941e6
commit 19b1fa4
Showing 1 changed file with 5 additions and 1 deletion.
diff --git a/lib/rouge/reader.rb b/lib/rouge/reader.rb
@@ -404,7 +404,11 @@ def reader_raise ex, m
 
   def read_number s
     if NUMBER.match s
-      eval s
+      if s =~ /[.eE]/
+        Float(s)
+      else
+        Integer(s)
+      end
     else
       reader_raise UnexpectedCharacterError, "#{s} in #read_number"
     end