Re: [xmlvm-users] Disable constant pool

[Panayotis K. <pan...@pa...>]

> As XMLVM currently is, I avoid much of the unnecessary compilation via the "rsync -zvrc" command.

There is some code in the build scripts of the projects that avoid
recompilation, if the produced code is the same.
This works under Objective C - I haven't tried it under C, but it
should work too. That would be probably more user friendly than the
rsync method.

On Thu, Nov 14, 2013 at 2:40 AM, Paul Poley <bay...@gm...> wrote:
> As XMLVM currently is, I avoid much of the unnecessary compilation via the
> "rsync -zvrc" command.
>
> I have an ANT script that does everything, but assuming "--out=build/xbin"
> (your target will be xbin2 though):
>
> Delete everything in "build" except "xbin2"
> Run xmlvm.jar on the Java project into build/xbin
> Execute "rsync -zvrc build/xbin/build build/xbin/dist build/xbin2"
> Delete build/xbin
> Do the C compilation in xbin2, not xbin. Because xbin2 was not deleted, it
> will already have the previously compiled files
>
> Note that you'll occasionally want to delete "build/xbin2" when you feel
> that it needs to be cleaned.  That of course will cause entire project C
> recompilation.
>
> This works for Obj-C projects using XCode as well.
>
> Thanks,
> Paul
>
>
> On Wed, Nov 13, 2013 at 10:03 AM, Arno Puder <ar...@pu...> wrote:
>>
>>
>> the compile times are indeed not great due to the dependency analysis.
>> It would theoretically be possible to compile all of Harmony into a
>> library while disabling optimizations such as constant pool and vtable.
>> In this case you would only have to recompile the application classes.
>> That would make a dramatic difference, but unfortunately is not easy to
>> do. Your idea about using xmlvm_create_java_string() is a low-hanging
>> fruit and should not be too difficult to implement, however, at this
>> point there is no command line option for this.
>>
>> Arno
>>
>>
>> On 11/12/13 3:17 PM, Steve Hannah wrote:
>> > In order to make development more productive, I'd like to be able to
>> > recompile only those Java files that have been modified since my last
>> > compile.  Looking at the code, it looks like this won't be possible (for
>> > the Java to C conversion) because all of the strings are generated
>> > centrally in a file called constant_pool.m, and explicit string indexes
>> > are used in the actual generated C files when using a string constant.
>> >   This means that modifying any single Java file could result in changes
>> > to all other java files, since it would change the string index of all
>> > string literals.
>> >
>> > Is there a setting for XMLVM to disable the string pool usage, and
>> > instead just use xmlvm_create_java_string("...") to create the strings.
>> > Alternatively, is there another approach that can be used to make the
>> > generated source files independent of each other?
>> >
>> > Any pointers appreciated.
>> >
>> > Steve
>> >
>> >
>> >
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-- 
Panayotis Katsaloulis