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2 Commits

Author SHA1 Message Date
Tarik Moussa
f1d77aa293 quality: add code-style + CGAL-convention checkers (local-only)
Some checks failed
C++ Tests / test-fast (pull_request) Successful in 2m26s
API Docs / doc-build (pull_request) Successful in 55s
Markdown link check / check (pull_request) Successful in 49s
C++ Tests / test-cgal (pull_request) Failing after 12m24s
Closes the gap "no code-quality / convention gate" from the structural
review.  Three new artefacts, all local-only (CI promotion deferred
until the existing tree is 100 % clean under each):

1. .clang-format — project's existing style mechanically captured
   (4-space indent, opening brace on new line for class/struct/function,
   left-aligned pointer/reference modifiers, aligned `using = ...` blocks,
   100-col loose limit, no include re-ordering — matches code/include/
   today).

2. scripts/quality/clang-format.sh — drift detector.  Dry-run mode by
   default (always exits 0); --strict to fail on drift; --fix to apply
   suggested changes in place.  Skips code/deps/ and macOS-duplicate
   files.

3. scripts/quality/cgal-conventions.py — checker for the CGAL idioms
   that clang-format/clang-tidy cannot express:
     CGAL-1  include-guard format `CGAL_<DIRS>_<FILE>_H`
     CGAL-2  every public header has a `\\file` Doxygen brief
     CGAL-3  no nested namespaces beyond the allowed set
             (CGAL::parameters, CGAL::Conformal_map, internal_np, IO)
     CGAL-4  named-parameter tag types end in `_t`; value object does not
     CGAL-5  no `using namespace ...` at file scope (header leakage)
     CGAL-6  no #define beyond CGAL_* / include-guard

   Result on the current tree: 6 CGAL public headers, 0 violations.
   The checker therefore doubles as documentation of the conventions
   we already follow.

Both are wired into scripts/quality/run-all.sh's fast subset (~5 s
combined wall time).  README.md updated to split the gates into a
"style/convention" group (cheap, run-on-every-commit material) and a
"correctness/quality" group (slow, run-before-tag material).

The reviewer-facing locked-vs-flexible.md gains another " Closed"
row documenting both gates and the 0-violation baseline.

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
2026-05-24 08:37:12 +02:00
Tarik Moussa
a2eee9c279 ci+quality: structural gates (CI: 3 new; local: 7 new + .clang-tidy)
Some checks failed
C++ Tests / test-fast (pull_request) Successful in 1m56s
API Docs / doc-build (pull_request) Successful in 58s
Markdown link check / check (pull_request) Successful in 45s
C++ Tests / test-cgal (pull_request) Failing after 13m14s
CI gates (active on every PR via .gitea/workflows/)
───────────────────────────────────────────────────
1. test-count consistency
   cpp-tests.yml gains a step after test-cgal that runs
   `scripts/check-test-counts.sh` against the just-built ./build dir
   (reuse via new BUILD_DIR env var, ~5 s overhead).  Drift between
   `doc/api/tests.md` and ctest reality now fails the PR.

2. End-to-end smoke
   `scripts/try_it.sh` (the documented user quick-start) is now part of
   the CGAL job, so README quick-start regressions fail the PR rather
   than silently breaking when users land.

3. Internal markdown link checker
   New `.gitea/workflows/markdown-links.yml` + `scripts/check-markdown
   -links.py`.  PRs that touch any *.md file run the check; main pushes
   trigger it too; a weekly cron catches external link rot.  Pure
   Python, no third-party action.  Validated against the current tree:
   122 internal links across 37 *.md files, 0 broken.

Local quality scripts (`scripts/quality/`, not in CI)
─────────────────────────────────────────────────────
* `license-headers.sh`   — `SPDX-License-Identifier: MIT` audit over
                            code/{include,src,tests}/.  Currently
                            reports 60/66 files missing it — that's
                            a follow-up; the script captures the
                            structural gap.
* `sanitizers.sh`        — ASan + UBSan over the fast test suite.
* `coverage.sh`          — gcov/lcov line + branch coverage of
                            code/include/, HTML report under
                            build-coverage/lcov-html/.
* `clang-tidy.sh`        — runs the curated `.clang-tidy` policy over
                            every public header.
* `multi-compiler.sh`    — sequential build + test against every
                            detected g++/clang++ (auto-discovery or
                            explicit list).
* `cgal-version-matrix.sh`— sequential build + CGAL test suite against
                            every CGAL tree under `~/cgal/<ver>/` (or
                            via `CGAL_ROOTS=...` env var).
* `reproducible-build.sh`— two `Release -j1` builds, fail if any test
                            executable byte-differs.
* `run-all.sh`           — driver: `--fast` for the ~5-min subset,
                            no arg for the ~25–40 min full sweep;
                            captures per-gate logs to
                            build-quality-logs/.

+ `.clang-tidy`          — curated, deliberately-small policy (only
                            checks that fire on OUR code, never on
                            transitive CGAL/Eigen/Boost headers).

+ `scripts/quality/README.md` — explains the structure, lists each
                            gate's wall-time + prereqs, and codifies
                            the promotion path: a gate moves into CI
                            only when it's green on the dev machine
                            AND has a recovery-instructions paragraph
                            in `doc/release-policy.md`.

Doc updates
───────────
`doc/architecture/locked-vs-flexible.md` (reviewer-facing) gains 4
"closed" rows in the limitations table — the 3 CI gates above and the
local quality-script suite.

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
2026-05-24 08:25:09 +02:00