Pointer/Scope API questions

[Ty Young]

On 1/8/20 5:48 AM, Ty Young wrote:
>
> On 1/8/20 5:43 AM, Maurizio Cimadamore wrote:
>>
>> On 08/01/2020 11:38, Ty Young wrote:
>>>
>>> On 1/8/20 5:09 AM, sundararajan.athijegannathan at oracle.com wrote:
>>>> [...]
>>>>>>>
>>>>>> Are you also adding `--add-modules 
>>>>>> jdk.incubator.foreign,jdk.incubator.jextract` when running? I was 
>>>>>> seeing a similar error when I forgot to do that.
>>>>>
>>>>>
>>>>> Ah, no. Works now.
>>>>>
>>>>>
>>>>> Is it supposed to throw an exception there though? The modules are 
>>>>> apart of the JDK and preview features are enabled so I don't 
>>>>> understand why the extra step of adding the modules at runtime is 
>>>>> being required here. Is it a bug?
>>>>
>>>> No. It is not a bug. You've to explicitly add "incubator" modules 
>>>> for compilation as well as for runtime.
>>>
>>>
>>> TIL.
>>>
>>>
>>> Just noticed though that while the Memory Access API works, the 
>>> jextract API fails because of javax.tools's JaveFileObject from the 
>>> java.compiler module.
>>>
>>>
>>> My compiler/runtime --add-modules argument looks like:
>>>
>>>
>>> --add-modules 
>>> jdk.incubator.foreign,jdk.incubator.jextract,java.compiler
>>>
>>>
>>> It is also required in module-info.java. Am I missing something here?
>>
>> Uhm - java.compiler should be available w/o extra flags... what code 
>> are you trying to run?
>
>
> Code:
>
>
> Path header = Path.of("/opt/cuda/targets/x86_64-linux/include/nvml.h");
>
> JextractTask task = JextractTask.newTask(true, header);
>
>  task.write(Path.of("./", args), new JavaFileObjectTest()); <---- ERROR


Ignore the args, Netbeans added it from the main method argument.


>
>
> Exception:
>
>
> Exception in thread "main" java.lang.NoClassDefFoundError: 
> javax/tools/JavaFileObject
>     at 
> jdk.incubator.jextract/jdk.internal.jextract.impl.Writer.resources(Writer.java:108)
>     at 
> jdk.incubator.jextract/jdk.internal.jextract.impl.Writer.writeAll(Writer.java:57)
>     at 
> jdk.incubator.jextract/jdk.internal.jextract.impl.JextractTaskImpl.write(JextractTaskImpl.java:65)
>     at 
> org.goliath.panamamemtest.PanamaMemTest.main(PanamaMemTest.java:37)
>
>
>>
>> Maurizio
>>
>>>
>>>
>>>>
>>>> -Sundar
>>>>