Port scripts/gen_w384_lean.py (Python, 8 functions) to specs/port/scripts/gen_w384_lean.t27 - #6555
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…ean.t27 One-commit replacement of the earlier PR for this issue: its follow-up commit lacked an issue reference and failed L1 TRACEABILITY. The spec is the final version from that PR (tests compare with std.mem.eql, no copied helper). Closes #6080 Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
This was referenced Oct 5, 2026
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Closes #6080
Ports
scripts/gen_w384_lean.pytospecs/port/scripts/gen_w384_lean.t27. One file,.t27only.Design
The original builds Lean theorem text. t27 has no string concatenation or f-strings. Rather than reduce the text to integer stand-ins, this port builds the same text byte for byte into byte buffers that the caller supplies. A function that returned
strwrites intobufatposand returns the end position. A function that returned(str, str)writes into two buffers and returns both lengths.var_names(n, sep, buf, pos)writes the first n names joined bysep, skipping the Lean keywords in the original's skip set. Every caller of the Pythonlist[str]either joins it or walks it, so activations are carried as name ordinals.nest_mac,plus_chain,minus_chain,cancellation_chain,zero_weight_closureandtheorem_blockare ported in full.main()keeps anundefined;body that no test calls, because it does file I/O and prints. Its two decisions are ported and tested:already_present, the idempotence check;w384_appendix, the exact text main appends ("\n\n" + "\n\n".join(blocks) + "\n").put_forallwrites the UTF-8 bytesE2 88 80.Every expected value in the tests was printed by running the Python original:
Acceptance criteria
These were run on the Railway t27c lab, with t27c built from origin/master e7afb32.
gen-rustandgen-calso succeed.coveragelists 22 functions with 17 tested directly. The other 5 aremain, which is plumbing, and four byte writers that the string-equality tests exercise.Negative control. I changed three expected values (the appendix hash,
"a + b"to"a+b", and the 62-name length from 159 to 160).test-reportthen printedpass 9, FAIL 3, naming exactly those tests.Note. duplicate-bodies flagged the local
bytes_eqas a copy ofgen_w367.t27'sslices_equal. The tests now usestd.mem.eql, andcontainscompares bytes inline. The criteria above and the negative control were re-run after that change.Replaces #6531. That PR had the same file, but its second commit had no issue reference and failed L1 TRACEABILITY. This PR has the same final spec in one commit.
🤖 Generated with Claude Code