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Mauro says:
This patch series change how kdoc parser handles macro replacements.
Instead of heavily relying on regular expressions that can sometimes
be very complex, it uses a C lexical tokenizer. This ensures that
BEGIN/END blocks on functions and structs are properly handled,
even when nested.
Checking before/after the patch series, for both man pages and
rst only had:
- whitespace differences;
- struct_group macros now are shown as inner anonimous structs
as it should be.
Also, I didn't notice any relevant change on the documentation build
time. With that regards, right now, every time a CMatch replacement
rule takes in place, it does:
for each transform:
- tokenizes the source code;
- handle CMatch;
- convert tokens back to a string.
A possible optimization would be to do, instead:
- tokenizes source code;
- for each transform handle CMatch;
- convert tokens back to a string.
For now, I opted not do do it, because:
- too much changes on a single row;
- docs build time is taking ~3:30 minutes, which is
about the same time it ws taken before the changes;
- there is a very dirty hack inside function_xforms:
(KernRe(r"_noprof"), ""). This is meant to change
function prototypes instead of function arguments.
So, if ok for you, I would prefer to merge this one first. We can later
optimize kdoc_parser to avoid multiple token <-> string conversions.
-
One important aspect of this series is that it introduces unittests
for kernel-doc. I used it a lot during the development of this series,
to ensure that the changes I was doing were producing the expected
results. Tests are on two separate files that can be executed directly.
Alternatively, there is a run.py script that runs all of them (and
any other python script named tools/unittests/test_*.py"):
$ tools/unittests/run.py
test_cmatch:
TestSearch:
test_search_acquires_multiple: OK
test_search_acquires_nested_paren: OK
test_search_acquires_simple: OK
test_search_must_hold: OK
test_search_must_hold_shared: OK
test_search_no_false_positive: OK
test_search_no_function: OK
test_search_no_macro_remains: OK
TestSubMultipleMacros:
test_acquires_multiple: OK
test_acquires_nested_paren: OK
test_acquires_simple: OK
test_mixed_macros: OK
test_must_hold: OK
test_must_hold_shared: OK
test_no_false_positive: OK
test_no_function: OK
test_no_macro_remains: OK
TestSubSimple:
test_rise_early_greedy: OK
test_rise_multiple_greedy: OK
test_strip_multiple_acquires: OK
test_sub_count_parameter: OK
test_sub_mixed_placeholders: OK
test_sub_multiple_placeholders: OK
test_sub_no_placeholder: OK
test_sub_single_placeholder: OK
test_sub_with_capture: OK
test_sub_zero_placeholder: OK
TestSubWithLocalXforms:
test_functions_with_acquires_and_releases: OK
test_raw_struct_group: OK
test_raw_struct_group_tagged: OK
test_struct_group: OK
test_struct_group_attr: OK
test_struct_group_tagged_with_private: OK
test_struct_kcov: OK
test_vars_stackdepot: OK
test_tokenizer:
TestPublicPrivate:
test_balanced_inner_private: OK
test_balanced_non_greddy_private: OK
test_balanced_private: OK
test_no private: OK
test_unbalanced_inner_private: OK
test_unbalanced_private: OK
test_unbalanced_struct_group_tagged_with_private: OK
test_unbalanced_two_struct_group_tagged_first_with_private: OK
test_unbalanced_without_end_of_line: OK
TestTokenizer:
test_basic_tokens: OK
test_depth_counters: OK
test_mismatch_error: OK
Ran 47 tests
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| arch | ||
| block | ||
| certs | ||
| crypto | ||
| Documentation | ||
| drivers | ||
| fs | ||
| include | ||
| init | ||
| io_uring | ||
| ipc | ||
| kernel | ||
| lib | ||
| LICENSES | ||
| mm | ||
| net | ||
| rust | ||
| samples | ||
| scripts | ||
| security | ||
| sound | ||
| tools | ||
| usr | ||
| virt | ||
| .clang-format | ||
| .clippy.toml | ||
| .cocciconfig | ||
| .editorconfig | ||
| .get_maintainer.ignore | ||
| .gitattributes | ||
| .gitignore | ||
| .mailmap | ||
| .pylintrc | ||
| .rustfmt.toml | ||
| COPYING | ||
| CREDITS | ||
| Kbuild | ||
| Kconfig | ||
| MAINTAINERS | ||
| Makefile | ||
| README | ||
Linux kernel ============ The Linux kernel is the core of any Linux operating system. It manages hardware, system resources, and provides the fundamental services for all other software. Quick Start ----------- * Report a bug: See Documentation/admin-guide/reporting-issues.rst * Get the latest kernel: https://kernel.org * Build the kernel: See Documentation/admin-guide/quickly-build-trimmed-linux.rst * Join the community: https://lore.kernel.org/ Essential Documentation ----------------------- All users should be familiar with: * Building requirements: Documentation/process/changes.rst * Code of Conduct: Documentation/process/code-of-conduct.rst * License: See COPYING Documentation can be built with make htmldocs or viewed online at: https://www.kernel.org/doc/html/latest/ Who Are You? ============ Find your role below: * New Kernel Developer - Getting started with kernel development * Academic Researcher - Studying kernel internals and architecture * Security Expert - Hardening and vulnerability analysis * Backport/Maintenance Engineer - Maintaining stable kernels * System Administrator - Configuring and troubleshooting * Maintainer - Leading subsystems and reviewing patches * Hardware Vendor - Writing drivers for new hardware * Distribution Maintainer - Packaging kernels for distros * AI Coding Assistant - LLMs and AI-powered development tools For Specific Users ================== New Kernel Developer -------------------- Welcome! Start your kernel development journey here: * Getting Started: Documentation/process/development-process.rst * Your First Patch: Documentation/process/submitting-patches.rst * Coding Style: Documentation/process/coding-style.rst * Build System: Documentation/kbuild/index.rst * Development Tools: Documentation/dev-tools/index.rst * Kernel Hacking Guide: Documentation/kernel-hacking/hacking.rst * Core APIs: Documentation/core-api/index.rst Academic Researcher ------------------- Explore the kernel's architecture and internals: * Researcher Guidelines: Documentation/process/researcher-guidelines.rst * Memory Management: Documentation/mm/index.rst * Scheduler: Documentation/scheduler/index.rst * Networking Stack: Documentation/networking/index.rst * Filesystems: Documentation/filesystems/index.rst * RCU (Read-Copy Update): Documentation/RCU/index.rst * Locking Primitives: Documentation/locking/index.rst * Power Management: Documentation/power/index.rst Security Expert --------------- Security documentation and hardening guides: * Security Documentation: Documentation/security/index.rst * LSM Development: Documentation/security/lsm-development.rst * Self Protection: Documentation/security/self-protection.rst * Reporting Vulnerabilities: Documentation/process/security-bugs.rst * CVE Procedures: Documentation/process/cve.rst * Embargoed Hardware Issues: Documentation/process/embargoed-hardware-issues.rst * Security Features: Documentation/userspace-api/seccomp_filter.rst Backport/Maintenance Engineer ----------------------------- Maintain and stabilize kernel versions: * Stable Kernel Rules: Documentation/process/stable-kernel-rules.rst * Backporting Guide: Documentation/process/backporting.rst * Applying Patches: Documentation/process/applying-patches.rst * Subsystem Profile: Documentation/maintainer/maintainer-entry-profile.rst * Git for Maintainers: Documentation/maintainer/configure-git.rst System Administrator -------------------- Configure, tune, and troubleshoot Linux systems: * Admin Guide: Documentation/admin-guide/index.rst * Kernel Parameters: Documentation/admin-guide/kernel-parameters.rst * Sysctl Tuning: Documentation/admin-guide/sysctl/index.rst * Tracing/Debugging: Documentation/trace/index.rst * Performance Security: Documentation/admin-guide/perf-security.rst * Hardware Monitoring: Documentation/hwmon/index.rst Maintainer ---------- Lead kernel subsystems and manage contributions: * Maintainer Handbook: Documentation/maintainer/index.rst * Pull Requests: Documentation/maintainer/pull-requests.rst * Managing Patches: Documentation/maintainer/modifying-patches.rst * Rebasing and Merging: Documentation/maintainer/rebasing-and-merging.rst * Development Process: Documentation/process/maintainer-handbooks.rst * Maintainer Entry Profile: Documentation/maintainer/maintainer-entry-profile.rst * Git Configuration: Documentation/maintainer/configure-git.rst Hardware Vendor --------------- Write drivers and support new hardware: * Driver API Guide: Documentation/driver-api/index.rst * Driver Model: Documentation/driver-api/driver-model/driver.rst * Device Drivers: Documentation/driver-api/infrastructure.rst * Bus Types: Documentation/driver-api/driver-model/bus.rst * Device Tree Bindings: Documentation/devicetree/bindings/ * Power Management: Documentation/driver-api/pm/index.rst * DMA API: Documentation/core-api/dma-api.rst Distribution Maintainer ----------------------- Package and distribute the kernel: * Stable Kernel Rules: Documentation/process/stable-kernel-rules.rst * ABI Documentation: Documentation/ABI/README * Kernel Configuration: Documentation/kbuild/kconfig.rst * Module Signing: Documentation/admin-guide/module-signing.rst * Kernel Parameters: Documentation/admin-guide/kernel-parameters.rst * Tainted Kernels: Documentation/admin-guide/tainted-kernels.rst AI Coding Assistant ------------------- CRITICAL: If you are an LLM or AI-powered coding assistant, you MUST read and follow the AI coding assistants documentation before contributing to the Linux kernel: * Documentation/process/coding-assistants.rst This documentation contains essential requirements about licensing, attribution, and the Developer Certificate of Origin that all AI tools must comply with. Communication and Support ========================= * Mailing Lists: https://lore.kernel.org/ * IRC: #kernelnewbies on irc.oftc.net * Bugzilla: https://bugzilla.kernel.org/ * MAINTAINERS file: Lists subsystem maintainers and mailing lists * Email Clients: Documentation/process/email-clients.rst