Add visit_and to more visitors

Author: st0012

lib/syntax_tree/mutation_visitor.rb

@@ -65,6 +65,11 @@ def visit_alias(node)
         node.copy(left: visit(node.left), right: visit(node.right))
       end
 
+      # Visit a AndNode node.
+      def visit_and(node)
+        node.copy(left: visit(node.left), right: visit(node.right))
+      end
+
       # Visit a ARef node.
       def visit_aref(node)
         node.copy(index: visit(node.index))

lib/syntax_tree/pretty_print_visitor.rb

@@ -9,6 +9,17 @@ def initialize(q)
       @q = q
     end
 
+    # This is here because we need to make sure the operator is cast to a string
+    # before we print it out.
+    def visit_and(node)
+      node(node, "and") do
+        field("left", node.left)
+        text("operator", node.operator.to_s)
+        field("right", node.right)
+        comments(node)
+      end
+    end
+
     # This is here because we need to make sure the operator is cast to a string
     # before we print it out.
     def visit_binary(node)