Re: ANNOUNCE: Avatox 1.0 is now available

[Manuel Collado <m.collado@fi.upm.es>]

Simon Wright escribi�:
> Manuel Collado <m.collado@fi.upm.es> writes:
> 
>> What puzzles me is that the XML structure (nesting) doesn't follows
>> the lexical Ada source structure. Example from avatox.adb -->
>> avatox.adb.xml:
>>
>> <A_CLAUSE ... startLine="29" endLine="29" startCol="1" endCol="29">
>>   <A_WITH_CLAUSE ... startLine="29" endLine="29" startCol="1" endCol="29"/>
>>   <AN_EXPRESSION ... startLine="29" endLine="29" startCol="6" endCol="28">
>>     <A_SELECTED_COMPONENT ... startLine="29" endLine="29" startCol="6"
>> endCol="28"/>
>>     <AN_EXPRESSION ... startLine="29" endLine="29" startCol="6" endCol="19">
>>       ....
>>
>> You can see that <A_WITH_CLAUSE> from (29,1) to (29,29) lexically
>> contains <AN_EXPRESSION> from (29,6) to (29,28). But the latest is not
>> nested inside the former. Instead, it appears as a sibling of it.
> 
> Marc and I disagree on this one. My approach in asis2xml is to have
> 
>     <context_clauses>
>       <with_clause>
>         <selected_component>
>           <selected_component>
>             <identifier>Ada</identifier>
>             <identifier>Characters</identifier>
>           </selected_component>
>           <identifier>Handling</identifier>
>         </selected_component>
>       </with_clause>
> 
> but it would be just as sensible to have
> 
>     <clause kind="with_clause">
> 
> The XPATH expressions aren't that different:
> 
>    A_CLAUSE[A_WITH_CLAUSE]
>    with_clause
>    clause[@kind='with_clause']
> 
> It depends what would be most useful. As an example of where user
> input would be good, what about that <selected_component> structure,
> which does follow the lexical structure of the language, but imagine
> the query to find all withs of Ada.Characters.Handling!

Well, the // (descendant) axis of XPATH looks directly for inner nodes, 
skipping intermediate levels.

-- 
Manuel Collado