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2023-08-21-report: Add base for report
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‎2023-08-21-report.org‎

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#+title: Weekly report for 7th of August 2023 to 21st of August 2023
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#+author: Philip Herron, Pierre-Emmanuel Patry, Arthur Cohen
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#+date: 2023-08-21
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** Overview
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Thanks again to [[https://opensrcsec.com/][Open Source Security, inc]] and [[https://www.embecosm.com/][Embecosm]] for their ongoing support for this project.
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*** Milestone Progress
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1. Late name resolution underway
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1. Good work from PE on complex macro-invocation-expands-to-macro-definition case
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2. Resolve `use` statements
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3. Fill out existing mappings
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4. Figured out last little bit of info for what is needed by the typechecker
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2. GSoC is almost over!
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1. More errors, contributor will keep going after GSoC ends, super succesful
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2. Deep into second part of the project, adding punycode encoding to our name mangling algorithm, super useful
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3. 40 PRs merged in two weeks, quite nice - mostly due to GSoC
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4. Lots of cleanup in our backend too
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** Completed Activities
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- [E0164] Neither tuple struct nor tuple variant used as a pattern [[https://github.com/rust-gcc/gccrs/pull/2565][PR2565]]
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- [E0391] Detected type dependency cycle [[https://github.com/rust-gcc/gccrs/pull/2561][PR2561]]
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- [E0034] found more than one items for method [[https://github.com/rust-gcc/gccrs/pull/2560][PR2560]]
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- [E0535] Unknown argument given to inline attribute [[https://github.com/rust-gcc/gccrs/pull/2559][PR2559]]
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- [E0534] inline attribute was malformed [[https://github.com/rust-gcc/gccrs/pull/2558][PR2558]]
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- Non-allowed default type paramters [[https://github.com/rust-gcc/gccrs/pull/2556][PR2556]]
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- Handle gengtype annotations in ```rust-constexpr.cc``` [[https://github.com/rust-gcc/gccrs/pull/2554][PR2554]]
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- gccrs: improve name mangling hash [[https://github.com/rust-gcc/gccrs/pull/2551][PR2551]]
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- gccrs: simplify matching possible candidates [[https://github.com/rust-gcc/gccrs/pull/2550][PR2550]]
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- gccrs: remove horrible hack in solving complex generics on impl blocks [[https://github.com/rust-gcc/gccrs/pull/2549][PR2549]]
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- gccrs: Fix legacy mangling to use Unicode escape [[https://github.com/rust-gcc/gccrs/pull/2547][PR2547]]
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- Add missing ```CHECKING_P``` guard to ```rust-punycode.cc``` [[https://github.com/rust-gcc/gccrs/pull/2546][PR2546]]
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- gccrs: Cleanup HIR dump [[https://github.com/rust-gcc/gccrs/pull/2544][PR2544]]
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- gccrs: Adjust HIR dump for IfExpr and IfExprConseqElse [[https://github.com/rust-gcc/gccrs/pull/2543][PR2543]]
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- Support for `rich-loc` & `errorcode` in parser & expansion errors [[https://github.com/rust-gcc/gccrs/pull/2542][PR2542]]
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- Basic formatting/comment fixes [[https://github.com/rust-gcc/gccrs/pull/2540][PR2540]]
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- [E0107] Wrong number of generic argument [[https://github.com/rust-gcc/gccrs/pull/2539][PR2539]]
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- [E0015] Use of non-const inside const [[https://github.com/rust-gcc/gccrs/pull/2538][PR2538]]
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- [E0658] Use of mutable reference in constant functions. [[https://github.com/rust-gcc/gccrs/pull/2536][PR2536]]
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- Add punycode encoding to v0 mangling [[https://github.com/rust-gcc/gccrs/pull/2535][PR2535]]
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- [E0412] used type name not in scope [[https://github.com/rust-gcc/gccrs/pull/2534][PR2534]]
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- Implement punycode encoding [[https://github.com/rust-gcc/gccrs/pull/2533][PR2533]]
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- Fix a warning about extra semicolon [[https://github.com/rust-gcc/gccrs/pull/2532][PR2532]]
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- [E0753] Use of inner doc comment in invalid context [[https://github.com/rust-gcc/gccrs/pull/2531][PR2531]]
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- Move Codepoint to gcc/rust/util/ [[https://github.com/rust-gcc/gccrs/pull/2530][PR2530]]
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- Add type annotation to make-rust-unicode-data.py [[https://github.com/rust-gcc/gccrs/pull/2529][PR2529]]
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- `[E0054-E0604-E0620-E0606]` TypeCasting ErrorCodes [[https://github.com/rust-gcc/gccrs/pull/2528][PR2528]]
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- [E0380] Use of auto trait with method or associated item [[https://github.com/rust-gcc/gccrs/pull/2527][PR2527]]
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- [E0541] Use of unknown meta item [[https://github.com/rust-gcc/gccrs/pull/2526][PR2526]]
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- [E0308] array misamatch types [[https://github.com/rust-gcc/gccrs/pull/2525][PR2525]]
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- [E0282] type annotations needed [[https://github.com/rust-gcc/gccrs/pull/2524][PR2524]]
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- macro-expand: Keep optional references to last_{def, invoc} [[https://github.com/rust-gcc/gccrs/pull/2520][PR2520]]
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- [E0703] Use of Invalid ABI [[https://github.com/rust-gcc/gccrs/pull/2519][PR2519]]
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- diagnostics: Fix mismatch between new[] and free [[https://github.com/rust-gcc/gccrs/pull/2518][PR2518]]
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- Fix lexer exponential on tuple [[https://github.com/rust-gcc/gccrs/pull/2515][PR2515]]
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- Remove ```Backend::bool_type``` and ```Backend::char_type``` [[https://github.com/rust-gcc/gccrs/pull/2506][PR2506]]
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- Move ```Backend::error_variable``` to ```Bvariable::error_variable``` [[https://github.com/rust-gcc/gccrs/pull/2505][PR2505]]
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- Remove unneeded references to ```this``` in backend methods [[https://github.com/rust-gcc/gccrs/pull/2503][PR2503]]
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- Use ```MacroInvocLexerBase``` in ```ProcMacroInvocLexer``` [[https://github.com/rust-gcc/gccrs/pull/2498][PR2498]]
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- Normalize all identifiers to NFC [[https://github.com/rust-gcc/gccrs/pull/2489][PR2489]]
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*** Contributors this week
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- [[https://github.com/dkm][Marc Poulhiès]]
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- [[https://github.com/mahadmuhammad][Mahad Muhammad]]
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- [[https://github.com/tamaroning][Raiki Tamura]]
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- [[https://github.com/powerboat9][Owen Avery]]
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*** Overall Task Status
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| Category | Last Week | This Week | Delta |
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|-------------+-----------+-----------+-------|
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| TODO | 255 | 259 | +4 |
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| In Progress | 55 | 56 | +1 |
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| Completed | 708 | 730 | +22 |
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*** Test Cases
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| TestCases | Last Week | This Week | Delta |
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|-----------+-----------+-----------+-------|
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| Passing | 8116 | 8129 | +22 |
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| Failed | - | - | - |
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| XFAIL | 69 | 69 | - |
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| XPASS | - | - | - |
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*** Bugs
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| Category | Last Week | This Week | Delta |
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|-------------+-----------+-----------+-------|
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| TODO | 93 | 95 | +2 |
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| In Progress | 25 | 29 | +4 |
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| Completed | 349 | 359 | +10 |
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*** Milestones Progress
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Note that the intrinsics milestone percentage on github is not representative: It shows a 73% completion rate, but does not take into account the tracking issues with dozens of unresolved items.
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Thus the percentage is computed using the sum of issues and tracked items done divided by the sums of issues and tracked items overall.
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| Milestone | Last Month | This Month | Delta | Start Date | Completion Date | Target |
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|-----------------------------------+------------+------------+-------+---------------+-----------------+---------------|
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| Data Structures 1 - Core | 100% | 100% | - | 30th Nov 2020 | 27th Jan 2021 | 29th Jan 2021 |
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| Control Flow 1 - Core | 100% | 100% | - | 28th Jan 2021 | 10th Feb 2021 | 26th Feb 2021 |
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| Data Structures 2 - Generics | 100% | 100% | - | 11th Feb 2021 | 14th May 2021 | 28th May 2021 |
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| Data Structures 3 - Traits | 100% | 100% | - | 20th May 2021 | 17th Sep 2021 | 27th Aug 2021 |
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| Control Flow 2 - Pattern Matching | 100% | 100% | - | 20th Sep 2021 | 9th Dec 2021 | 29th Nov 2021 |
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| Macros and cfg expansion | 100% | 100% | - | 1st Dec 2021 | 31st Mar 2022 | 28th Mar 2022 |
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| Imports and Visibility | 100% | 100% | - | 29th Mar 2022 | 13th Jul 2022 | 27th May 2022 |
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| Const Generics | 100% | 100% | - | 30th May 2022 | 10th Oct 2022 | 17th Oct 2022 |
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| Initial upstream patches | 100% | 100% | - | 10th Oct 2022 | 13th Nov 2022 | 13th Nov 2022 |
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| Upstream initial patchset | 100% | 100% | - | 13th Nov 2022 | 13th Dec 2022 | 19th Dec 2022 |
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| Update GCC's master branch | 100% | 100% | - | 1st Jan 2023 | 21st Feb 2023 | 3rd Mar 2023 |
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| Final set of upstream patches | 100% | 100% | - | 16th Nov 2022 | 1st May 2023 | 30th Apr 2023 |
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| Borrow Checking 1 | 0% | 0% | - | TBD | - | 15th Aug 2023 |
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| AST Pipeline for libcore 1.49 | 76% | 77% | +1% | 13th Apr 2023 | - | 1st Jul 2023 |
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| HIR Pipeline for libcore 1.49 | 67% | 67% | - | 13th Apr 2023 | - | TBD |
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| Procedural Macros 1 | 85% | 85% | - | 13th Apr 2023 | - | 6th Aug 2023 |
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| GCC 13.2 Release | 100% | 100% | - | 13th Apr 2023 | 18th Jul 2023 | 15th Jul 2023 |
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| GCC 14 Stage 3 | 0% | 0% | - | TBD | - | 1st Nov 2023 |
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| core 1.49 functionality [AST] | 4% | 0% | - | 1st Jul 2023 | - | 1st Nov 2023 |
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| Rustc Testsuite Prerequisistes | 0% | 0% | - | TBD | - | 1st Sep 2023 |
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| Intrinsics and builtins | 18% | 18% | - | 6th Sep 2022 | - | TBD |
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| Const Generics 2 | 0% | 0% | - | TBD | - | TBD |
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| Rust-for-Linux compilation | 0% | 0% | - | TBD | - | TBD |
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*** Risks
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| Risk | Impact (1-3) | Likelihood (0-10) | Risk (I * L) | Mitigation |
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|-------------------------------------+--------------+-------------------+--------------+-------------------------------------|
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| `core` and `std` missing for GCC 14 | 2 | 6 | 12 | Look at necessary unstable features |
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** Planned Activities
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- Fix remaining bits or procedural macro name resolution.
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- Name resolve macro name that have not yet been expanded (nested macro definition)
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- Punycode implementation
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** Detailed changelog

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