[antlr-interest] Using Antlr v3 with JDK 1.4

[Terence Parr]

cool. see you at the conference. I'm pretty sure I used to run -target  
jsr14 on the releases I made earlier. Neil Gafter, the javac guy, told  
me it works

Ter

On Aug 31, 2009, at 5:34 PM, Jim Idle wrote:

> 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
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>>> -- 
>>> Steve Ebersole <steve at hibernate.org>
>>> Hibernate.org
>>>
>>>
>>> List: http://www.antlr.org/mailman/listinfo/antlr-interest
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>>
>>
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>
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