[antlr-interest] Modifying Java Source

[Ismet Ozalp]

Thank you very much Terence I got everything working fine right now.

On Mon, Aug 10, 2009 at 11:39 PM, Terence Parr <parrt at cs.usfca.edu> wrote:

> do a replace not insert. get token index from '{' and '}'. label those
> tokens.
> Ter
>
> On Aug 10, 2009, at 12:38 PM, Ismet Ozalp wrote:
>
>  Thanks again Terence.
>>
>> Ok I believe now I getting at least something correct
>>
>> i replaced the
>> methodBody
>>    :    block
>>    ;
>>
>> With this
>>
>> methodBody
>>    :    {
>>            TokenRewriteStream input2 = (TokenRewriteStream) input;
>>            input2.insertAfter(input.index(),"throw new
>> UnsupportedOperationException();");
>>        }
>>    ;
>>
>> and now i have throw new UnsupportedOperationException(); in methods but
>> how do i delete the existing codes in the methodBody?
>>
>> you said ask for { } how do i do that ? how can I find indexes of { } in
>> methodBody if I can find the index of them I can use replace method and
>> everything will be good.
>>
>> Regards,
>> Ismet
>>
>>
>> On Mon, Aug 10, 2009 at 8:01 PM, Terence Parr <parrt at cs.usfca.edu> wrote:
>> go to method definition in grammar. ask for tokens { and }. context is
>> your key not simply scanning for tokens.
>> T
>>
>> On Aug 10, 2009, at 6:27 AM, Ismet Ozalp wrote:
>>
>>  First of all thank you all for your fast comments on the subject.
>>>
>>> Terence, after I created the tokenRewriteStream
>>>
>>> JavaLexer javaLexer = new JavaLexer(new ANTLRFileStream(file));
>>> TokenRewriteStream tokenRewriteStream = new
>>> TokenRewriteStream(javaLexer);
>>>
>>> Are you suggesting me to find tokens between {} and replace them with the
>>> tokens I want?
>>> In that case how can I detect class definition and inner class
>>> definitions because i don't want to replace them. Maybe I am not completely
>>> understanding
>>> your suggestion. I feel like telling the grammar skip method definitions
>>> but yet i am not successful.  I am using antlr 3.1.3. Also
>>> TokenRewriteStream's delete(int from, int to) seems not deleting the tokens
>>> in it's token list? I am just calling tokenRewriteStream.delete(10,20) and
>>> the tokens are still there? Thank you very much...
>>>
>>> Regards,
>>> Ismet
>>>
>>>
>>> On Mon, Aug 10, 2009 at 8:31 AM, Terence Parr <parrt at cs.usfca.edu>
>>> wrote:
>>> Hiya. Use the tokenrewrite stream and Java.g combo. add actions to
>>> replace between { } with new action. :)
>>> Ter
>>> On Aug 9, 2009, at 6:18 PM, Ismet Ozalp wrote:
>>>
>>>  Hello everybody,
>>>>
>>>> I am a newbie; I am trying to modify java sources. What I am trying to
>>>> do is
>>>>
>>>> clear the codes in the methods and change them with one line of code
>>>>
>>>> example method
>>>>
>>>>    public void delete(T t) {
>>>>        PersistenceManager pm = PMF.get().getPersistenceManager();
>>>>
>>>>        try {
>>>>            pm.deletePersistent(t);
>>>>
>>>>        } finally {
>>>>            pm.close();
>>>>        }
>>>>
>>>>    }
>>>>
>>>> changed method
>>>>
>>>>  public void delete(T t) {
>>>>    throw new UnsupportedOperationException();
>>>>  }
>>>>
>>>> So i need to modify the grammar some how to do this for methods in the
>>>> source file
>>>> currently I am trying to do something with
>>>> http://www.antlr.org/grammar/1152141644268/Java.g
>>>> which is written by Terence Parr. But I am a little bit lost, if anybody
>>>> can point me to the right direction
>>>> where I can find more information or examples about how to achieve this,
>>>> it would be great....
>>>>
>>>> Thank you very much
>>>> Ismet
>>>>
>>>>
>>>> List: http://www.antlr.org/mailman/listinfo/antlr-interest
>>>> Unsubscribe:
>>>> http://www.antlr.org/mailman/options/antlr-interest/your-email-address
>>>>
>>>
>>>
>>>
>>
>>
>
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