RFR: 8294961: Convert java.base/java.lang.reflect.ProxyGenerator to use the Classfile API to generate proxy classes [v10]

[Mandy Chung]

On Wed, 22 Mar 2023 17:37:07 GMT, Adam Sotona <asotona at openjdk.org> wrote:

>> java.base java.lang.reflect.ProxyGenerator uses ASM to generate proxy classes and this patch converts it to use Classfile API.
>> 
>> Please review.
>> 
>> Thank you,
>> 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 201 commits:
> 
>  - Merge branch 'master' into JDK-8294961
>    
>    # Conflicts:
>    #	src/java.base/share/classes/java/lang/reflect/ProxyGenerator.java
>  - ClassEntry caching ClassDesc to improve performance
>  - MethodTypeDesc performance improvements
>  - improved method descriptor construction
>  - Apply suggestions from code review
>    
>    Co-authored-by: liach <7806504+liach at users.noreply.github.com>
>  - Merge branch 'master' into JDK-8294961-proxy
>  - Merge branch 'master' into JDK-8294961-proxy
>  - Merge branch 'JDK-8294982' into JDK-8294961
>  - removed obsolete javadoc from implementation classes
>  - minor fix in CodeBuilder and added test cases to LDCTest
>  - ... and 191 more: https://git.openjdk.org/jdk/compare/a2d8f634...2787185c

Mapping from a Class -> String -> TypeKind can be short-circuit.    The implementation of `TypeKind::from(Class<?>)` can be updated for that.   The Classfile API can be considered to take a live `Class` object or `MethodType` object to avoid the conversion when appropriate.

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PR Comment: https://git.openjdk.org/jdk/pull/10991#issuecomment-1480095735