refactored parser

[mint/mint-lib.git] / lib / mint / builder.rb

diff --git a/lib/mint/builder.rb b/lib/mint/builder.rb
index 0609b03..b78421e 100644 (file)
--- a/lib/mint/builder.rb
+++ b/lib/mint/builder.rb
@@ -14,6 +14,7 @@ module Mint
         if expression.nil? || expression.empty?
           return NullExpression.new
         end
+        parser.instance_variable_set(:@yydebug, true)
         parser.parse(expression)
       rescue
         raise InvalidExpressionError, expression