DPL Analysis: modernize expression parsing code

[aalkin]

No description provided.

[github-actions]

REQUEST FOR PRODUCTION RELEASES:
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[ktf]

Tested on hyperloop. Will merge after Easter.

[ktf]

Tested on hyperloop with the release of the 19th, before I left for holidays. Merging.

[alibuild]

Error while checking build/O2/fullCI_slc9 for ece0c3c at 2025-05-02 13:31:

## sw/BUILD/O2Physics-latest/log
Error in cling::AutoLoadingVisitor::InsertIntoAutoLoadingState:
Error in cling::AutoLoadingVisitor::InsertIntoAutoLoadingState:
Error in cling::AutoLoadingVisitor::InsertIntoAutoLoadingState:
Error in cling::AutoLoadingVisitor::InsertIntoAutoLoadingState:
Error in cling::AutoLoadingVisitor::InsertIntoAutoLoadingState:
Error in cling::AutoLoadingVisitor::InsertIntoAutoLoadingState:
Error in cling::AutoLoadingVisitor::InsertIntoAutoLoadingState:
Error in cling::AutoLoadingVisitor::InsertIntoAutoLoadingState:
Error in cling::AutoLoadingVisitor::InsertIntoAutoLoadingState:
Error in cling::AutoLoadingVisitor::InsertIntoAutoLoadingState:
Error in cling::AutoLoadingVisitor::InsertIntoAutoLoadingState:
Error in cling::AutoLoadingVisitor::InsertIntoAutoLoadingState:
Error in cling::AutoLoadingVisitor::InsertIntoAutoLoadingState:
Error in cling::AutoLoadingVisitor::InsertIntoAutoLoadingState:
Error in cling::AutoLoadingVisitor::InsertIntoAutoLoadingState:
Error in cling::AutoLoadingVisitor::InsertIntoAutoLoadingState:
Error in cling::AutoLoadingVisitor::InsertIntoAutoLoadingState:
Error in cling::AutoLoadingVisitor::InsertIntoAutoLoadingState:


## sw/BUILD/O2-full-system-test-latest/log
Detected critical problem in logfile digi.log
digi.log:[21092:internal-dpl-ccdb-backend]: [13:31:42][ERROR] Exception while running: Fatal error. Rethrowing.
digi.log-[21092:internal-dpl-ccdb-backend]: [13:31:42][FATAL] Unhandled o2::framework::runtime_error reached the top of main of o2-sim-digitizer-workflow, device shutting down. Reason: Fatal error
[21092:internal-dpl-ccdb-backend]: [13:31:39][ERROR] CCDBDownloader CURL transfer error - Timeout was reached
[21092:internal-dpl-ccdb-backend]: [13:31:39][ERROR] CcdbDownloader finished transfer http://alice-ccdb.cern.ch/CTP/Calib/OrbitReset for 1550600800000 (agent_id: alimetal04.cern.ch-1746185492-qzyJ4x) with http code: 0
[21092:internal-dpl-ccdb-backend]: [13:31:39][ERROR] File CTP/Calib/OrbitReset could not be retrieved. No more hosts to try.
[21092:internal-dpl-ccdb-backend]: [13:31:39][FATAL] Unable to find CCDB object CTP/Calib/OrbitReset/1550600800000
[21092:internal-dpl-ccdb-backend]: [13:31:42][ERROR] Exception while running: Fatal error. Rethrowing.
[21092:internal-dpl-ccdb-backend]: [13:31:42][FATAL] Unhandled o2::framework::runtime_error reached the top of main of o2-sim-digitizer-workflow, device shutting down. Reason: Fatal error
[ERROR] Workflow crashed - PID 21092 (internal-dpl-ccdb-backend) did not exit correctly however it's not clear why. Exit code forced to 128.
[ERROR]  - Device internal-dpl-ccdb-backend: pid 21092 (exit 128)
[INFO]    - First error: [13:31:39][FATAL] Unable to find CCDB object CTP/Calib/OrbitReset/1550600800000
[ERROR] SEVERE: Device internal-dpl-ccdb-backend (21092) had at least one message above severity 7: Unable to find CCDB object CTP/Calib/OrbitReset/1550600800000


## sw/BUILD/o2checkcode-latest/log
--
========== List of errors found ==========
++ GRERR=0
++ grep -v clang-diagnostic-error error-log.txt
++ grep ' error:'
++ GRERR=1
++ [[ 1 == 0 ]]
++ mkdir -p /sw/INSTALLROOT/00d306add75d7a3a9ac04281bdb851492a4f7089/slc9_x86-64/o2checkcode/1.0-local352/etc/modulefiles
++ cat
--

[0 more errors; see full log]

Full log here.