8345773: Class-File API debug printing capability

[asotona]

Class-File API lost debug printing capability with removal of the j.l.classfile.components.ClassPrinter in JDK-8345343.

This is a backport of f88c1c6, reviewed by @liach and @mcimadamore.

Because this JDK 24 RFE comes after RDP1, it is pending approval of a later enhancement.

Thank you,
Adam

---

Progress

• Change must be properly reviewed (1 review required, with at least 1 Reviewer)
• Change must not contain extraneous whitespace
• Commit message must refer to an issue
• Change requires CSR request JDK-8345774 to be approved

Issues

• JDK-8345773: Class-File API debug printing capability (Enhancement - P3)
• JDK-8345774: Class-File API debug printing capability (CSR)

Reviewers

• Chen Liang (@liach - Reviewer)

Reviewing

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[bridgekeeper]

👋 Welcome back asotona! A progress list of the required criteria for merging this PR into jdk24 will be added to the body of your pull request. There are additional pull request commands available for use with this pull request.

[openjdk]

@asotona This change now passes all automated pre-integration checks.

ℹ️ This project also has non-automated pre-integration requirements. Please see the file CONTRIBUTING.md for details.

After integration, the commit message for the final commit will be:

8345773: Class-File API debug printing capability

Reviewed-by: liach

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[openjdk]

This backport pull request has now been updated with issue from the original commit.

[openjdk]

@asotona The following label will be automatically applied to this pull request:

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[mlbridge]

Webrevs

• 00: Full (62e36132)

[liach]

Looks good. However, we need to wait until the late enhancement is approved to integrate this.

[asotona]

Thank you for the review and the late enhancement approval!

/integrate

[openjdk]

Going to push as commit 6fdfa72.
Since your change was applied there have been 2 commits pushed to the jdk24 branch:

• 950c8ad: 8340212: -Xshare:off -XX:CompressedClassSpaceBaseAddress=0x40001000000 crashes on macos-aarch64
• 03bdee0: 8342469: Improve API documentation for java.lang.classfile.instruction

Your commit was automatically rebased without conflicts.

[openjdk]

@asotona Pushed as commit 6fdfa72.

💡 You may see a message that your pull request was closed with unmerged commits. This can be safely ignored.