RFR: 8287064: Modernize ProxyGenerator.PrimitiveTypeInfo [v3]

[liach]

On Thu, 26 May 2022 22:51:39 GMT, Mandy Chung <mchung at openjdk.org> wrote:

>> liach has updated the pull request with a new target base due to a merge or a rebase. The incremental webrev excludes the unrelated changes brought in by the merge/rebase. The pull request contains three additional commits since the last revision:
>> 
>>  - Merge branch 'master' into proxy-primitivetypeinfo
>>  - Convert PrimitiveTypeInfo to an enum
>>  - 8287064: Modernize ProxyGenerator.PrimitiveTypeInfo
>
> src/java.base/share/classes/java/lang/reflect/ProxyGenerator.java line 969:
> 
>> 967:             // single-char BaseType descriptor (see JVMS section 4.3.2)
>> 968:             String baseTypeString = wrapper.basicTypeString();
>> 969:             wrapperClassName = dotToSlash(wrapper.wrapperType().getName());
> 
> Suggestion:
> 
>             wrapperClassName = wrapper.wrapperType().descriptorString();
> 
> 
> It may worth to replace similar use of `dotToSlash(c.getName())` pattern.

Unfortunately, we want an internal name (`xxx/Abc`) than a field descriptor (`Lxxx/Abc;`). But we can use descriptor string for the valueOf descriptor construction.

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PR: https://git.openjdk.java.net/jdk/pull/8801