On Thu, 21 Mar 2024 14:40:37 GMT, Adam Sotona <asot...@openjdk.org> wrote:

>> ClassFile API `jdk.internal.classfile.verifier.VerifierImpl` performed only 
>> bytecode-level class verification.
>> This patch adds `jdk.internal.classfile.verifier.ParserVerifier` with 
>> additional class checks inspired by 
>> `hotspot/share/classfile/classFileParser.cpp`.
>> 
>> Also new `VerifierSelfTest::testParserVerifier` has been added.
>> 
>> Please review.
>> 
>> Thanks,
>> Adam
>
> Adam Sotona has updated the pull request with a new target base due to a 
> merge or a rebase. The pull request now contains 26 commits:
> 
>  - Merge remote-tracking branch 'openjdk/master' into 
> JDK-8320396-verifier-extension
>  - work in progress
>  - work in progress
>  - work in progress
>  - work in progress
>  - work in progress
>  - removed string templates from test
>  - work in progress
>  - work in progress
>  - work in progress
>  - ... and 16 more: https://git.openjdk.org/jdk/compare/e41bc42d...54c4e9b9

Verification is an optional feature of Class-File API, however it is critical 
for development and testing of the Class-File API itself and all frameworks and 
libraries built on top of it.
`ClassFile::verify` is now focused on JVMS chapter 6 only, however the goal is 
to give user a bit more confidence that any class file passing the 
`ClassFile::verify` is correct.
Loading of the generated or transformed classes to verify them is not feasible 
in many situations and `ClassFile::verify` tries to give user at least some 
information, similar to ASM `CheckClassAdapter`or BCEL `Verifier`.

The work is also related to [JDK-8182774 Verify code in 
javap](https://bugs.openjdk.org/browse/JDK-8182774).

I'll add references to the relevant JVMS chapters.
Thank you for the review.

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

PR Comment: https://git.openjdk.org/jdk/pull/16809#issuecomment-2014600028

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