[antlr-interest] Re: Automated testing of lexer/parser rules

[Bharath S]

Hi Anar,

Thanks much for your reply. I am not generating ASTs
yet, just toying with grammar but your solution will
be valuable to me few weeks from now, for sure.

Thanks.

B.
--- anakreonmejdi <anakreonmejdi at yahoo.gr> wrote:
> --- In antlr-interest at yahoogroups.com, Bharath S
> <payasam79 at y...>
> wrote:
> > Hi Grp,
> > 
> > Can somebody provide information on how to
> automate
> > the testing of lexer/parser rules? I usually put
> my
> > test cases in a text file and feed it to my main
> > program using the direction operator. I am using
> Antlr
> > in Eclipse IDE and would like to automate testing
> > using JUnit. Can someone shed some light on this?
> > 
> > Thanks!
> I have developed a method for my project.
> The concept is to store the AST in a XML format, and
> test if the AST
> generated in an other time when the gramma
> definition has changed is
> the 
> same as that stored in the XML format.
> The XML format looks like this:
> <ast name="METHOD_CALL" text="abs">
>   <ast name="ARGLIST_VALUES">
>     <ast name="IDENTIFIER" text="some_var" />
>   </ast>
> </ast>
> There is one class which extends TestCase from JUnit
> which performes
> the comparasion between the AST defined in the XML
> format, and the AST
>  the gramma produced from an input file.
> 
> With this methodology I can test the Parsers and
> TreeParsers I've
> writen, but Lexers however are not tested directly. 
> 
> 
> 
> 
>  
> Yahoo! Groups Links
> 
> 
>      antlr-interest-unsubscribe at yahoogroups.com
> 
>  
> 


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