On Mon, 7 Nov 2022 12:10:56 GMT, Magnus Ihse Bursie <i...@openjdk.org> wrote:

>> This is root pull request with Classfile API implementation, tests and 
>> benchmarks initial drop into JDK.
>> 
>> Following pull requests consolidating JDK class files parsing, generating, 
>> and transforming 
>> ([JDK-8294957](https://bugs.openjdk.org/browse/JDK-8294957)) will chain to 
>> this one.
>> 
>> Classfile API development is tracked at:
>> https://github.com/openjdk/jdk-sandbox/tree/classfile-api-branch
>> 
>> Development branch of consolidated JDK class files parsing, generating, and 
>> transforming is at:
>> https://github.com/openjdk/jdk-sandbox/tree/classfile-api-dev-branch
>> 
>> Classfile API [JEP](https://bugs.openjdk.org/browse/JDK-8280389) and [online 
>> API 
>> documentation](https://htmlpreview.github.io/?https://raw.githubusercontent.com/openjdk/jdk-sandbox/classfile-api-javadoc-branch/doc/classfile-api/javadoc/jdk/classfile/package-summary.html)
>>  is also available.
>> 
>> Please take you time to review this non-trivial JDK addition.
>> 
>> Thank you,
>> Adam
>
> make/CompileInterimLangtools.gmk line 78:
> 
>> 76:  $(call LogInfo, Generating Preview.java for jdk.compiler.interim)
>> 77:  $(call MakeDir, $(@D))
>> 78:  $(GREP) -v 'case PATTERN_SWITCH ->' $< > $@
> 
> I understand that you have based this on the example above. There is a huge 
> difference, though. The sed expression just updates the package name to 
> include the new `interim` part. These new additions seems to be designed to 
> filter out actual code. 
> 
> Since no reason for this is given in comments, I'm assuming there is some 
> code that either does not compile when building this for the interim JDK, or 
> that gives the incorrect result if included. But that means that now suddenly 
> the makefiles has intricate knowledge about specific lines of code in the 
> source code! That is not a good entanglement to have.

To be more specific: is there some way the code in Preview.java and 
TransPatterns.java can be modified so this transmogrification is not needed?

-------------

PR: https://git.openjdk.org/jdk/pull/10982

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