Support rename on ConstantWriteNode

Author: mame

lib/typeprof/core/service.rb

@@ -273,6 +273,13 @@ def rename(path, pos)
             end
           end
         end
+        if node.is_a?(AST::ConstantWriteNode)
+          if node.cname_code_range.include?(pos) && node.static_cpath
+            genv.resolve_const(node.static_cpath).defs.each do |cdef|
+              cdefs << cdef
+            end
+          end
+        end
         if node.is_a?(AST::DefNode) && node.mid_code_range.include?(pos)
           node.boxes(:mdef) do |mdef|
             mdefs << mdef

scenario/service/rename4.rb

@@ -0,0 +1,14 @@
+## update: test.rb
+Foo = 1
+Foo
+
+## rename: test.rb:2:1
+test.rb:(1,0)-(1,3)
+test.rb:(2,0)-(2,3)
+
+## rename: test.rb:1:1
+test.rb:(1,0)-(1,3)
+test.rb:(2,0)-(2,3)
+
+## hover: test.rb:1:1
+Integer