Implement cmsTypeInfo

[fwyzard]

PR description:

Implement an utility to resolve a C++ type name to its actual definition, taking into account type aliases and the use of ALPAKA_ACCELERATOR_NAMESPACE, and print the full c++ name, the friendly class name, and the mangled name.

PR validation:

None.

[cmsbuild]

cms-bot internal usage

[fwyzard]

type ngt

[fwyzard]

please test

[cmsbuild]

+code-checks

Logs: https://cmssdt.cern.ch/SDT/code-checks/cms-sw-PR-50842/49190

[cmsbuild]

A new Pull Request was created by @fwyzard for master.

It involves the following packages:

• FWCore/Reflection (core)

@Dr15Jones, @makortel, @smuzaffar can you please review it and eventually sign? Thanks.
@makortel, @wddgit this is something you requested to watch as well.
@ftenchini, @mandrenguyen, @sextonkennedy you are the release manager for this.

cms-bot commands are listed here

[cmsbuild]

-1

Failed Tests: RelVals-INPUT
Size: This PR adds an extra 20KB to repository
Summary: https://cmssdt.cern.ch/SDT/jenkins-artifacts/pull-request-integration/PR-4a96c2/52988/summary.html
COMMIT: 47fdcd8
CMSSW: CMSSW_17_0_X_2026-04-30-1100/el8_amd64_gcc13
User test area: For local testing, you can use /cvmfs/cms-ci.cern.ch/week1/cms-sw/cmssw/50842/52988/install.sh to create a dev area with all the needed externals and cmssw changes.

Failed RelVals-INPUT

• 2500.3212500.321_EXONANOmc150X/step2_EXONANOmc150X.log
• 2500.33112500.3311_EXONANOdata150Xrun3/step2_EXONANOdata150Xrun3.log

Comparison Summary

Summary:

• You potentially removed 3 lines from the logs
• ROOTFileChecks: Some differences in event products or their sizes found
• Reco comparison results: 5 differences found in the comparisons
• DQMHistoTests: Total files compared: 53
• DQMHistoTests: Total histograms compared: 4187168
• DQMHistoTests: Total failures: 39
• DQMHistoTests: Total nulls: 0
• DQMHistoTests: Total successes: 4187109
• DQMHistoTests: Total skipped: 20
• DQMHistoTests: Total Missing objects: 0
• DQMHistoSizes: Histogram memory added: 0.0 KiB( 52 files compared)
• Checked 227 log files, 197 edm output root files, 53 DQM output files
• TriggerResults: found differences in 1 / 51 workflows