RFR: 8294982: Implementation of Classfile API [v43]

[Paul Sandoz]

On Fri, 3 Mar 2023 16:39:41 GMT, Adam Sotona <asotona at 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/java.base/jdk/internal/classfile/package-summary.html) is also available.
>> 
>> Please take you time to review this non-trivial JDK addition.
>> 
>> Thank you,
>> Adam
>
> Adam Sotona has updated the pull request incrementally with three additional commits since the last revision:
> 
>  - fixed AccessFlags javadoc
>  - TransformImpl.FakeXyzTransform renamed to UnresolvedXyzTransform
>  - removed obsolete generic parameter from AbstractDirectBuilder

src/java.base/share/classes/jdk/internal/classfile/impl/AbstractInstruction.java line 683:

> 681:         public UnboundInstruction(Opcode op, int size) {
> 682:             super(op, size);
> 683:         }

Unused?

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