What's Changed

• Update c2rust-refactor to nightly-2022-08-08 by @ahomescu in #1328
• refactor: fix some Cargo.toml things by @kkysen in #1404
• refactor: set rustc_private = true in Cargo.toml for rust-analyzer by @kkysen in #1406
• README: Update acknowledgements by @thedataking in #1413
• ast-exporter: fix crash on cast of empty initializer by @fw-immunant in #1412
• transpile: tests: specify --edition 2021 for rustfmt, too by @kkysen in #1409
• bitfields-derive: strip :: prefix from type if present by @Rua in #1411
• fix removing literal suffixes from vec![10u32, 20u32, 30u32] by @oinoom in #1368
• Fix the reorganize_definitions refactoring by @ahomescu in #1364
• transpile: search for llvm-config-21 and llvm-config-20 by @kkysen in #1415
• ci: keep RUSTFLAGS consistent to not rebuild everything by @kkysen in #1423
• pdg: check in Cargo.locks for analysis tests by @kkysen in #1429
• c2rust-refactor: generate artifacts by @oinoom in #1425
• transpile: update generated nightly to nightly-2023-04-15 (1.70.0) for syn v2.0.107 and cargo's sparse registry by @kkysen in #1422
• tests: copy generated-rust-toolchain.toml to test directories by @kkysen in #1430
• transpile: update dependencies in generated Cargo.toml by @kkysen in #1418
• refactor: update to cargo v0.65, matching our pinned nightly of Rust 1.65 by @kkysen in #1421
• transpile: remove ~ in Cargo.toml.hbs causing trailing whitespace to be removed by @kkysen in #1419
• ci: set C2RUST_DIR for c2rust-testsuite so that current versions of c2rust crates are used by @kkysen in #1420
• exporter: print src loc for all warnings, including in type encoding by @kkysen in #1416
• transpile, analyze: remove #![feature(label_break_value)], stabilized in Rust 1.65 (our current nightly) by @kkysen in #1431
• transpile: Always use absolute paths when referring to crates by @Rua in #1408
• refactor: help the user find a transform by @fw-immunant in #1427
• transpile: Extend lifetime of compound literals whose address is taken by @Rua in #1407
• exporter: tag all SVE types w/ TagSve (unhandled) by @kkysen in #1417
• transpile: Use literal directly when taking address of string literal by @Rua in #1434
• Fix NodeId->HirId lookups by carrying structural context by @oinoom in #1445
• transpile: Avoid unnecessary parentheses around calls or fields by @Rua in #1449
• transpile: add --reorganize-definitions back by @kkysen in #1454
• docs: update out-of-date info in README.md, docs/, and manual/ by @kkysen in #1459
• ci: install generated nightly toolchain as well by @kkysen in #1460
• refactor: fix canonicalize_refs in libxml transforms by @oinoom in #1450
• readme: update section on cross-transpilation to explain how to cross-arch transpile by @kkysen in #1456
• transpile: fixes before re-enabling --reorganize-definitions by @kkysen in #1452
• ci: Add runner name to rust-cache key by @ahomescu in #1466
• transpile: defer+cache imports alongside zero initializers by @fw-immunant in #1455
• ci: run testsuite/test.py from inside testsuite so that the pyproject.toml is loaded correctly by @kkysen in #1468
• ci: remove scan-build install by @kkysen in #1461
• refactor: Fix name collisions in reorganize_definitions by @ahomescu in #1465
• transpile: fix out-of-range literals by @kkysen in #1442
• ci: enable new libmcs test from c2rust-testsuite by @kkysen in #1470
• Fix type error in generated Rust when indexing typedef'd pointers by @fw-immunant in #1471
• refactor: Fix remove_unnecessary_refs to ignore pointers by @ahomescu in #1467
• Fix Rust compiler version mismatches in c2rust-refactor, rebased by @ahomescu in #1472
• c2rust-refactor: Structurally match types more conservatively by comparing visibility by @ahomescu in #1474
• Fix quickcheck-derived test case for refactor casts by @fw-immunant in #1392
• Add the testsuite as a subtree of c2rust by @ahomescu in #1485
• Enable more refactor transforms on lua by @ahomescu in #1486
• transpile: Add varargs snapshot test by @Rua in #1491
• Add index to name of refactor diff files to keep track of order of application by @ahomescu in #1487
• transpile: Split convert_pointer into two functions for easier reuse by @Rua in #1478
• transpile: Factor out common function for address-of and array-decay by @Rua in #1446
• transpile: Resolve expression first in address-of and array-decay by @Rua in #1481
• transpile: Translate null pointers with ptr::null[_mut] by @Rua in #1479
• transpile: Rework is_va_list for better accuracy by @Rua in #1439
• transpile: Translate va_list with correct types by @Rua in #1443
• transpile: Split off new pointers.rs module by @Rua in #1495
• transpile: Do not leak main argument strings by @Rua in #1447
• transpile: tests: rename main.c to main_fn.c since the main.rs generated is detected as a test by @kkysen in #1499
• refactor: Update reorganize_definitions test and fix some issues by @ahomescu in #1484
• test.py: only run *.gen.sh scripts actually generated during that run by @kkysen in #1488
• refactor: Implement deep structural comparison of ADTs by comparing all variants individually by @ahomescu in #1475
• transpile: Do not deref when taking address of array indexing expression by @Rua in #1494
• Enable more refactor transforms for python2 by @ahomescu in #1502
• transpile: Use raw borrows instead of normal borrows by @Rua in #1355
• transpile: Do not emit block and init variable for non-bitfield structs by @Rua in #1508
• Add crisp tools by @fw-immunant in #1505
• transpile: Avoid some identity transmutes for function pointers by @Rua in #1510
• Add definition splitting to transpiler by @fw-immunant in #1477
• Add c2rust-postprocess tool by @thedataking in #1504
• transpile: Also resolve extension operators in unwrap_predefined_ident by @Rua in #1515
• Support python 3.12 in test suite runner by @randomPoison in #1518
• Fix error code reporting for test suite failures by @randomPoison in #1517
• tests: Print stderr too on unit test failure by @Rua in #1527
• Allow empty include paths by @abakst in #1528
• c2rust-bitfields-derive: pin all dependencies by @kkysen in #1529
• postprocess: add type-checking by @kkysen in #1531
• postprocess: add --update-rust so we can avoid updating in-place for tests by @kkysen in #1532
• postprocess: run on a whole dir at once, searching for *.c_decls.json files by @kkysen in #1533
• postprocess: switch from gemini-3-pro-preview to gemini-3-flash-preview for the default by @kkysen in #1535
• transpile: Run rustfmt on generated .rs files by @Rua in #1458
• Fix nix build for c2rust by @Chobbes in #1341
• transpile: Move some stuff into struct module by @Rua in #1516
• Add missing uv dependency to Nix flake by @Rua in #1539
• ci: add basic CI for tools/ by @kkysen in #1538
• reorganize_definitions: Shorten paths that are imported into the current module by @ahomescu in #1399
• Handle C decls with zero ending row/col by @fw-immunant in #1546
• postprocess: add --exclude-file for skipping functions by @kkysen in #1541
• tests/integration: print times for each step and flush to see it in CI by @kkysen in #1547
• transpile: simplify and fix comparing SrcLocs by include paths by @kkysen in #1548
• refactor: unset $RUSTC_WRAPPER so it doesn't add an extra rustc arg by @kkysen in #1500
• build(deps): bump pyasn1 from 0.6.1 to 0.6.2 in /c2rust-postprocess by @dependabot[bot] in #1549
• build(deps): bump urllib3 from 2.6.2 to 2.6.3 in /c2rust-postprocess by @dependabot[bot] in #1550
• transpile: replace glob import used for linking with a normal import by @ahomescu in #1540
• Fix issue #1509 by improving handling of unused expression side effects by @ahomescu in #1544
• tests/integration: update json-c's postprocess LLM cache after #1554 by @kkysen in #1551
• transpile: add --c2rust-dir to resolve relative c2rust dependencies by @kkysen in #1559
• tests/integration: cleanups for postprocess integration by @kkysen in #1568
• refactor: configure cargo by @kkysen in #1573
• Restore cross checking code, part 1 by @ahomescu in #1575
• refactor: Fix transform casts from non-unit to unit types by @ahomescu in #1567
• build(deps): bump spin from 0.5.0 to 0.5.2 in /cross-checks/zero-malloc by @dependabot[bot] in #1576
• build(deps): bump smallvec from 0.6.4 to 0.6.14 in /cross-checks/zero-malloc by @dependabot[bot] in #1577
• git: set update = none for all submodules so that cargo git dependencies don't clone them by @kkysen in #1574
• Restore cross checks, part 2: fix the Rust runtime and unit tests by @ahomescu in #1578
• build(deps): bump bytes from 1.10.1 to 1.11.1 by @dependabot[bot] in #1585
• Prepare for v0.22.0 release by @kkysen in #1588

New Contributors

• @randomPoison made their first contribution in #1518
• @abakst made their first contribution in #1528

Full Changelog: https://github.com/immunant/c2rust/compare/v0.21.0...v0.22.0