[antlr-interest] Using Antlr v3 with JDK 1.4

[Terence Parr]

i think that this got messed up when we went to mvn. i wasn't able to  
set source to 1.5 and target to 1.4 i think.
Ter
On Sep 1, 2009, at 7:53 AM, Gordon Tyler wrote:

> So I edited the pom.xml for the Java Runtime module to set it to  
> source and target 1.4, tried compiling and it complained about a few  
> generics being used. I edited the source to remove the generics  
> because they weren't really being used (e.g. FastQueue<T> was being  
> used by CommonTokenStream as FastQueue<Object>). Now it compiles  
> successfully.
>
> Testing my parser...
>
> -----Original Message-----
> From: Martijn Reuvers [mailto:martijn.reuvers at gmail.com]
> Sent: September 1, 2009 9:26 AM
> To: Gordon Tyler
> Cc: Terence Parr; Jim Idle; antlr-interest at antlr.org
> Subject: Re: [antlr-interest] Using Antlr v3 with JDK 1.4
>
> I have a project at work which must compile against 1.4 too, but the
> IDE runs with 1.5. To prevent using the 1.5 API's I usually change the
> JAVA_HOME and PATH before release and set both to use a jdk 1.4
> specific one (ant is used for that project). In maven just change the
> version of the compiler to 1.4. In either case it is really compiled
> against 1.4 and usage of 1.5 specifics is then easily pointed out.
>
>
> On Tue, Sep 1, 2009 at 3:20 PM, Gordon Tyler<Gordon.Tyler at quest.com>  
> wrote:
>> You can use -target 1.4 and -source 1.4 with the JDK 1.5 compiler  
>> to make it produce 1.4 compatible class files. The remaining  
>> problem is that you're still compiling against the JDK 1.5 runtime  
>> library and you have to be careful not to use 1.5-specific APIs.
>>
>> -----Original Message-----
>> From: Terence Parr [mailto:parrt at cs.usfca.edu]
>> Sent: August 31, 2009 8:48 PM
>> To: Jim Idle
>> Cc: antlr-interest at antlr.org; Gordon Tyler
>> Subject: Re: [antlr-interest] Using Antlr v3 with JDK 1.4
>>
>> 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
>>>>>> 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
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>>>>
>>>>
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>>>
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>>
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