[antlr-interest] Using Antlr v3 with JDK 1.4

Jim Idle jimi at temporal-wave.com
Mon Aug 31 17:34:00 PDT 2009


Pretty sure we can't even though genetics are eluded at the byte code  
level. I will look at this definitively next week and we can decide  
what to do at the JVM language conference.

Jim

On Aug 31, 2009, at 7:14 PM, Terence Parr <parrt at cs.usfca.edu> wrote:

> Hi. can we do 1.5 javac with -target jsr14?
> Ter
> On Aug 31, 2009, at 3:30 PM, Gordon Tyler wrote:
>
>> Thanks Steve, and Jim Idle who replied off-list. I guess I'll have
>> to stick to Antlr v2 until my project drops the JDK 1.4 requirement.
>> Messing around with retro-weaver sounds dubious and I need to
>> restrict my third-party dependencies.
>>
>> -----Original Message-----
>> From: Steve Ebersole [mailto:steven.ebersole at gmail.com] On Behalf Of
>> Steve Ebersole
>> Sent: August 31, 2009 6:26 PM
>> To: Gordon Tyler
>> Cc: antlr-interest at antlr.org
>> Subject: Re: [antlr-interest] Using Antlr v3 with JDK 1.4
>>
>> I ran into the same issue when first looking at Antlr3.  I was told
>> the
>> intention was to not have the Antlr runtime rely on JDK 1.5; but
>> unfortunately some JDK 1.5 features ended up getting exposed.
>>
>> The outcome of my queries, iirc, was that it would just remain JDK  
>> 1.5
>> compatible.  You could probably use a retro-weaver though to make it
>> 1.4
>> compatible.  Did not try...
>>
>>
>> On Mon, 2009-08-31 at 14:25 -0700, Gordon Tyler wrote:
>>> Is it possible to use the Antlr v3 runtime with JDK 1.4? I’m get 
>>> ting
>>> this error when compiling generated parser code using JDK 1.4, which
>>> indicates that the runtime is compiled with JDK 1.5:
>>>
>>>
>>>
>>> NewTransformLexer.java:11: cannot access org.antlr.runtime.Lexer
>>>
>>> bad class file: lib
>>> \antlr-runtime-3.1.3.jar(org/antlr/runtime/Lexer.class)
>>>
>>> class file has wrong version 49.0, should be 48.0
>>>
>>>
>>>
>>> Is it just a matter of a recompile of the runtime or does the  
>>> runtime
>>> use Java 5 features?
>>>
>>>
>>>
>>> Thanks,
>>>
>>> Gordon
>>>
>>>
>>>
>>> ---
>>>
>>> Gordon Tyler (Software Developer)
>>>
>>> Quest Software <http://www.quest.com/>
>>>
>>> 260 King Street East, Toronto, Ontario M5A 4L5, Canada
>>>
>>> Voice: (416) 933-5046 | Fax: (416) 933-5001
>>>
>>>
>>>
>>>
>>> List: http://www.antlr.org/mailman/listinfo/antlr-interest
>>> Unsubscribe: http://www.antlr.org/mailman/options/antlr-interest/your-email-address
>> -- 
>> Steve Ebersole <steve at hibernate.org>
>> Hibernate.org
>>
>>
>> List: http://www.antlr.org/mailman/listinfo/antlr-interest
>> Unsubscribe: http://www.antlr.org/mailman/options/antlr-interest/your-email-address
>
>
> List: http://www.antlr.org/mailman/listinfo/antlr-interest
> Unsubscribe: http://www.antlr.org/mailman/options/antlr-interest/your-email-address


More information about the antlr-interest mailing list