just a little more precise

2015-06-26 20:35:16 +03:00 · 2015-06-26 20:35:16 +03:00 · 5539d8fe32
commit 5539d8fe32
parent e20fba61d9
1 changed files with 2 additions and 0 deletions
--- a/lib/register/register_reference.rb
+++ b/lib/register/register_reference.rb
@ -24,10 +24,12 @@ module Register
    end

    def self.look_like_reg is_it
+      return false unless is_it.is_a? Symbol
      if( [:lr , :pc].include? is_it )
        return true
      end
      if( (is_it.to_s.length < 3) and (is_it.to_s[0] == "r"))
+        # could tighten this by checking that the rest is a number
        return true
      end
      return false