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Mainframe fact channel: IMS PSB / DBD definitions and the access check (#3477) - #3483
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#3477) PSB and DBD generation members (.psb / .dbd, scanned as hlasm) and JCL DFSRRC00 region steps become ims_gen_data rows (core/ims_gen.py): PSBGEN, PCB, SENSEG, DBD, SEGM, FIELD, LCHILD, DATASET, REGION, with column-72 continuations. GalaxyIR adds ims_psbs, ims_databases, ims_program_psbs (region PARM by PROGRAM-ID, or EXEC DLI SCHD PSB through its VALUE) and ims_access_check: each #3450 segment access checked against the PSB's SENSEGs and PROCOPT (ok / denied / not_sensitive / no_psb). Answer key: independent reader + join (add-ims-gen), scored fields "IMS definitions" (CardDemo 39/39) and "IMS access check" (14/14), ledger flags ims_gen_validated. Golden masters unchanged. Closes #3477 Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_017ZsVaAkb86P5r5JXDC2Y9g
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This was referenced Sep 24, 2026
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Part of epic #3445.
What it does
IMS PSB and DBD generation members (
.psb/.dbd) are now scanned as hlasm. The macros are assembler, so no new language is needed. JCLEXEC PGM=DFSRRC00,PARM='DLI|BMP,program,psb'steps become region rows. Both land inims_gen_data(core/ims_gen.py, reached throughextract_boundary):PCB@<line>)Column-72 continuations are joined.
hlasmjoinsBOUNDARY_DIALECTS; its other channels stay empty, as before.GalaxyIR gains four joins:
ims_psbs(): each PSB's PCBs, with their DBD, PROCOPT and SENSEGs.ims_databases(): each DBD's segments, with parent, bytes and SEQ key.ims_program_psbs(): each program's PSB, from a JCL region naming its PROGRAM-ID or anEXEC DLI SCHD PSB((name))resolved through the name's VALUE.ims_access_check(): each Mainframe fact channel: IMS DL/I database access (CBLTDLI / EXEC DLI) #3450 program × segment access checked against the PSB's SENSEGs and PROCOPT. Status isok,denied(with the refused accesses),not_sensitiveorno_psb.CardDemo: 4 PSBs and 4 DBDs, and 7 programs resolve to a PSB. All 14 program × segment accesses are
ok: the AP programs update, and PAUDBUNL (GOTP) and DBUNLDGS read only.Ground truth
cobol_answer_key.py add-ims-gen, with its own column-72 reader, operand scan and PROCOPT letter check.ims_gen_validated. CBSA and zOpenEditor have no IMS, so they get empty sections.Checks
Closes #3477
🤖 Generated with Claude Code
https://claude.ai/code/session_017ZsVaAkb86P5r5JXDC2Y9g