Release notes from simplecpp

1.9.1

2026-08-25T16:47:04Z

What's Changed

Fix rescanning when a macro expansion result forms a new function-like macro call by @pfultz2 in #682
Fix cppcheck selfcheck issue by @glankk in #696
Add newline to macro def string before tokenizing by @glankk in #697
Fix #700: macro not set for tokens expanded from __LINE__ inside function-like macros by @ludviggunne in #701
Call load_callback for all includes, even cached by @glankk in #703

Full Changelog: 1.9.0...1.9.1

1.9.0

2026-08-04T12:30:10Z

What's Changed

Fix #673 (unique Output::Type when directive is used in macro parameter) by @danmar in #674
improved test coverage of throwing code by @firewave in #666
Fix #678 workaround needed for gcc bug (old gcc), defaulted noexcept constructors by @danmar in #679
made it possibly to actually override the C++ standard in CMake by @firewave in #677
Fix #671: Missing newline at end of file should produce a warning by @glankk in #672
Fix #688: #ifdef and #ifndef directives missing from ifCond by @ludviggunne in #689
clang-tidy.yml: run clang-tidy with all C++ standards by @firewave in #683
Fix #686: Add warning for bad line directives by @glankk in #687
Fix #680: Add option to keep comments in preprocessed code by @ludviggunne in #681
Improve no_eof_newline warning by @glankk in #692
Fix #688: Support #elifdef and #elifndef by @ludviggunne in #691

Full Changelog: 1.8.1...1.9.0

1.8.1

2026-07-15T18:16:38Z

What's Changed

optimized std::stack usage in simplecpp::TokenList::combineOperators() by @firewave in #659
Fix #669: Manually included files are not reported missing by preprocess by @glankk in #670

Full Changelog: 1.8.0...1.8.1

1.8.0

2026-07-02T12:49:53Z

What's Changed

Fix #657: combineOperators(): &= gets split up incorrectly by @ludviggunne in #658
avoid unnecessary container lookups in simplecpp::preprocess() by @firewave in #661
fixed #578 - removed support for #file and #endfile by @firewave in #585
moved part of FileDataCache implementation into source file by @firewave in #651
fixed #504 / refs #507 - cleaned up and improved parsing of #line preprocessor directive by @firewave in #586
Remove dead branch in simplecpp::Macro::expandHashHash() by @pfultz2 in #664
Add file load callback (fixes #667) by @glankk in #668
improved test coverage of simplecpp::Macro::expandHashHash() by @firewave in #665

New Contributors

@pfultz2 made their first contribution in #664

Full Changelog: 1.7.0...1.8.0

1.7.0

2026-05-27T07:56:30Z

What's Changed

reverted to Clang 21 for now by @firewave in #630
clang-tidy.yml: updated to Clang 22 - again by @firewave in #633
added basic test coverage for IfCond and MacroUsage by @firewave in #629
fixed #632 - avoid unhandled simplecpp::Macro::Error in simplecpp::preprocess with -D by @firewave in #631
clang-tidy.yml: run clang-tidy with C++23 by @firewave in #635
CI-mingw.yml: exclude clang++ on MINGW32 as it is no longer available by @firewave in #644
CI-windows.yml: updated Python to 3.14 by @firewave in #642
Refs #638 Fix stylistic issues uncovered by cppcheck by @chrchr-github in #643
CI-unixish.yml: added ubuntu-22.04-arm, ubuntu-24.04-arm and macos-26-intel by @firewave in #640
main.cpp: fixed handling of options without value by @firewave in #645
Fix #590 (Incorrect expansion of functional macros) by @danmar in #646
Refs #638: Avoid shadowing arguments by @ludviggunne in #639
test.cpp: also run tests with char buffer by @firewave in #261
CI-unixish.yml: added some missing g++ cases to matrix by @firewave in #649
added tests for various fixed issues by @firewave in #648
README.md: added note about repository move [skip ci] by @firewave in #650
main.cpp: added option -input=file|fstream|fstream|buffer to specify the TokenList interface / removed -is by @firewave in #647
CI-windows.yml: removed explicit usage of Visual Studio CMake generators by @firewave in #641
Fix known condition found by cppcheck by @chrchr-github in #652
Fix hang on UTF-16 LE BOM file by @chrchr-github in #636
Fixed #591: Newline in #error message by @wjakobsson in #654

New Contributors

@wjakobsson made their first contribution in #654

Full Changelog: 1.6.5...1.7.0

1.6.5

2026-02-27T13:38:34Z

What's Changed

improved test coverage of simplecpp::characterLiteralToLL() by @firewave in #601
CI-windows.yml: fixed standard in C++17 build by @firewave in #609
added MinGW workflow by @firewave in #475
do not default simplecpp::Location::line to 1 by @firewave in #597
enabled and fixed modernize-return-braced-init-list clang-tidy warnings by @firewave in #610
fixed #616 - report bad macro syntax via OutputList by @firewave in #617
added more @throws to documentation by @firewave in #618
use emplace_back by @firewave in #619
use initializer lists without assignment by @firewave in #624
test.cpp: improved testing of __FILE__ by @firewave in #623
make it possible to explicitly disable the legacy TokenList constructors by @firewave in #621
Fix #615 User-defined literal created from alternative and by @chrchr-github in #620
clang-tidy.yml: updated to Clang 22 by @firewave in #514
removed workarounds for Visual Studio conflicts with Cppcheck functions with same names by @firewave in #627

Full Changelog: 1.6.4...1.6.5

1.6.4

2025-12-16T11:26:27Z

What's Changed

refs #424 / fixed #589 - do not store reference to filelist in simplecpp::Location / added simplecpp::TokenList::file() / cleanups by @firewave in #573
CI-unixish.yml: removed macos-13 / added macos-15-intel and macos-26 by @firewave in #602
updated actions/setup-python to v6 by @firewave in #604
updated actions/checkout to v6 by @firewave in #603
added @throws to documentation / adjusted some catch handlers by @firewave in #600
CI-unixish.yml: also run sanitizers on latest macOS by @firewave in #607
build all code with all available C++ standards in CI by @firewave in #606
improved simplecpp::TokenList constructors by @firewave in #599

Full Changelog: 1.6.3...1.6.4

1.6.3

2025-12-02T13:09:17Z

What's Changed

fixed #583 - fall back to GetFileInformationByHandle() when GetFileInformationByHandleEx() fails in simplecpp::FileDataCache::getFileId() by @firewave in #594
avoid some unchecked pointer dereferences by @firewave in #593

Full Changelog: 1.6.2...1.6.3

1.6.2

2025-11-08T11:02:31Z

Changes

Fixed #581 (Failure when header is included twice with different macros defined)
Modernizations and refactorings, improved testing

Full Changelog: 1.6.1...1.6.2

1.6.1

2025-10-07T16:00:15Z

1.6.1

Minor tweaks release, no changed behavior but fixed a possible integration issue

What's Changed

enabled and fixed performance-enum-size clang-tidy warnings by @firewave in #559
fixed #562 - avoid potential redefinition of Windows-specific macros by @firewave in #563

Full Changelog: 1.6.0...1.6.1