Claudio,

   I am not sure I understand your question? 

   I was looking into the method, and, although I would implement it in a different way myself, the current implementation looks correct to me... am I missing something?

   Edson


On Thu, Jan 30, 2014 at 11:16 AM, Claudio Jesús Sánchez Casanueva <claudio.sanchez@andanta.es> wrote:

I am studying the drools code and i have seen strange the method 'getNestedConstraintPrefixLenght()' in DRL6Parser.java: If i translate that function to a regular expression in antlr lexer, it would be "ID? ( (DOT | HASH) ID)* DOT LEFT_PARENT", which have few sense.

The header of 'nestedConstraint()' describes the expected the expected result as "( ID ( DOT | HASH ) )* ID DOT LEFT_PAREN constraints RIGHT_PAREN" : it internally calls to 'getNestedConstraintPrefixLenght()', consumes the numbers of items retuned by this, calls to 'constrains()' and cosumes a RIGHT_TOKEN.
For me the expected results described in the header of 'nestedConstraint()' do not correspond with the real results.

 


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--
  Edson Tirelli
  Principal Software Engineer 
  Red Hat Business Systems and Intelligence Group