8244669: convert clhsdb "mem" command from javascript to java

[GoeLin]

I backport this for parity with 17.0.7-oracle.
Did not apply clean because in head dead variable
String format = "";
was removed in CommandProcessor (8277413).
I removed that too.

---

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

Issue

• JDK-8244669: convert clhsdb "mem" command from javascript to java

Reviewers

• Christoph Langer (@RealCLanger - Reviewer)

Reviewing

Using git

Checkout this PR locally:
$ git fetch https://git.openjdk.org/jdk17u-dev pull/968/head:pull/968
$ git checkout pull/968

Update a local copy of the PR:
$ git checkout pull/968
$ git pull https://git.openjdk.org/jdk17u-dev pull/968/head

Using Skara CLI tools

Checkout this PR locally:
$ git pr checkout 968

View PR using the GUI difftool:
$ git pr show -t 968

Using diff file

Download this PR as a diff file:
https://git.openjdk.org/jdk17u-dev/pull/968.diff

[bridgekeeper]

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

[openjdk]

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

[mlbridge]

Webrevs

• 00: Full (94c46a40)

[RealCLanger]

LGTM

[openjdk]

@GoeLin 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:

8244669: convert clhsdb "mem" command from javascript to java

Reviewed-by: clanger

You can use pull request commands such as /summary, /contributor and /issue to adjust it as needed.

At the time when this comment was updated there had been 2 new commits pushed to the master branch:

• e262f64: 8288005: HotSpot build with disabled PCH fails for Windows AArch64
• 1da982b: 8298527: Cygwin's uname -m returns different string than before

Please see this link for an up-to-date comparison between the source branch of this pull request and the master branch.
As there are no conflicts, your changes will automatically be rebased on top of these commits when integrating. If you prefer to avoid this automatic rebasing, please check the documentation for the /integrate command for further details.

➡️ To integrate this PR with the above commit message to the master branch, type /integrate in a new comment.

[GoeLin]

/integrate

[openjdk]

Going to push as commit 554f17b.
Since your change was applied there have been 7 commits pushed to the master branch:

• c8caf68: 8279024: Remove javascript references from clhsdb.html
• 5194b98: 8262386: resourcehogs/serviceability/sa/TestHeapDumpForLargeArray.java timed out
• e6d369c: 8271471: [IR Framework] Rare occurrence of "" in PrintIdeal/PrintOptoAssembly can let tests fail
• 3ff9669: 8299015: Ensure that HttpResponse.BodySubscribers.ofFile writes all bytes
• e0368a2: 8283606: Tests may fail with zh locale on MacOS
• e262f64: 8288005: HotSpot build with disabled PCH fails for Windows AArch64
• 1da982b: 8298527: Cygwin's uname -m returns different string than before

Your commit was automatically rebased without conflicts.

[openjdk]

@GoeLin Pushed as commit 554f17b.

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