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ANTLR v4.9 Release Notes

• 🆕 New DART target

  Thanks to @lingyv-li, we have a DART target!

  🛠 Issues fixed

  • ✅ [Python3] Large import time cost paid for inline unittests ()
  • ✅ Dart tests fail (target:dart)
  • C++20 can not construct a std::string with a UTF-8 encoded string literal ()
  • ⚠ Warning in generated javascript code when using node 14 ()
  • 📜 Python3 parser generation incorrect by ANTLR 4.7.1 and problem in Parser.py (target:python3)
  • PHP target generates invalid output when $ is used as part of the literal in lexer rule (target:php)
  • 📦 [C++][CMake] find_package() fails when the C++ runtime is make-install'ed ()
  • 📜 [Go] Generated lexer and parser file names are always in lower case with underscore ()
  • Syntax error in antlr4/runtime/Swift/boot.py (target:swift)

  👌 Improvements, features

  • Avoid stepping through ANTLR generated code when debugging (C#) (target:csharp, type:improvement)
  • replace gramamr with grammar (type:improvement)
  • Dart Target (target:dart, type:improvement)

  Pull requests grouped by target

  csharp target

  • Made C# Trace Listener usable for most cases (target:csharp)
  • Avoid stepping through ANTLR generated code when debugging (C#) (target:csharp, type:improvement)
  • 🔨 refactored AntlrInputStream.cs by removing a redundand if-statement (target:csharp)
  • 📚 Clarify and expand documentation for runtime ParseTreeWalker (target:csharp)
  • NullReferenceException in CSharp target #2304 (target:csharp)

  cpp target

  • cpp-target.md link broken fix (comp:doc, target:cpp)
  • 🏁 Fix linker issue when compiling Cpp runtime with CMake and MSVC on Windows (comp:build, target:cpp)
  • ✅ Fix regressions in travis Cpp tests (target:cpp)
  • Fix clang compile error with --stdlib=libc++ (target:cpp)
  • 🚚 [C++ runtime] Remove codecvt header (deprecated in C++17) in cpp runtime. (target:cpp)
  • Fix C++ target README example (comp:doc, target:cpp)
  • 0️⃣ [C++ codegen] Add default cases to AltBlock and OptionalBlock (target:cpp)
  • 🚚 [C++ codegen] Remove use of the u8"" string literal prefix (target:cpp)
  • [C++ codegen] Add explicit keyword to constructor (target:cpp)
  • [C++ runtime] Fix static const ODR violations (target:cpp)
  • [C++ runtime] Add AntlrInputStream(std::string_view) constructor (target:cpp)
  • [C++ runtime] Improvements of Vocabulary::fromTokenNames (target:cpp)
  • 💅 [C++ runtime]: Improve coding style of auto usages (target:cpp)
  • C++ target: don't generate extra/duplicate semicolons (target:cpp)
  • C++ target: escape ? character to prevent accidental trigraphs (target:cpp)
  • 🛠 Fixed link to CMake example in cpp-target.md (comp:doc, target:cpp)
  • ⚡️ Update cpp-target.md doc (tree::ParseTreeWalker::DEFAULT is now a reference) (actions, target:cpp)
  • Fix CMake packaging (target:cpp)
  • Fix #2727: improve setTokenFactory in Cpp target (target:cpp)

  go target

  • [Go] Thread-safe ANTLR codegen (target:go)
  • [Golang] enable syntax highlighting (comp:doc, target:go)

  java target

  javascript target

  • 📚 Corrected Webpack configuration in JavaScript documentation (comp:doc, target:javascript)
  • Javascript es6 migration (target:javascript)
  • Fix template issue (target:javascript)
  • Fix #2902 (target:javascript)
  • Fix a NPE (target:javascript, type:bug)
  • fix for issues in #1759 (target:javascript)
  • Javascript: migrate prototypical root modules to ES6 (target:javascript)
  • Javascript: fix some cyclic dependencies (target:javascript)
  • Javascript: migrate prototypical ATN objects to ES6 (target:javascript)
  • 💻 Javascript: browser support increased with babel transformation (target:javascript)
  • ✅ Drop browser tests (target:javascript)
  • Javascript: migrate prototypical Tree objects to es6 classes (target:javascript)
  • Javascript: migrate prototypical DFA objects to es6 classes (target:javascript)

  python2 target

  • Fix code generation for catch statements in python (target:python2, target:python3)

  python3 target

  • 📜 Changed Python runtime Lexer.py, Parser.py to support version >= 3.5 (target:python3)
  • Fix undefined value (target:python3)
  • 📜 changed python3 runtime Lexer.py, Parser.py to support version > 5. (target:python3)
  • ✅ separate py3 runtime tests from src tree + actually run said tests in CI (target:python3)
  • Fix code generation for catch statements in python (target:python2, target:python3)

  swift target

  • 📜 Added missing swift version of class ParseTreeProperty (target:swift)
  • ⚡️ [Swift] Update codegen template (target:swift)
  • added throws declaration missing from generated swift code (target:swift)

  php target

  • [PHP] Escape dollar sign in target string literal (target:php)
  • 📚 fix composer command in documentation (comp:doc, target:php)

  dart target

  • 📌 Fix travis ci for Dart pin version (target:dart)
  • 🏗 Pin dart version to 2.8.4 to get unit tests passing (comp:build, target:dart)
  • Dart Target (target:dart, type:improvement)

  Contributors

  • 7 items: Camilo Roca (carocad)
  • 6 items: ericvergnaud
  • 5 items: Nathan Burles (nburles)
  • 3 items: cliid (cliid)
  • 3 items: Felix N (felixn)
  • 3 items: Larry Li (lingyv-li)
  • 3 items: sullis
  • 2 items: Adam Wójs (adamwojs)
  • 2 items: Rob McGregor (rmcgregor1990)
  • 1 items: Michel Hartmann (MichelHartmann)
  • 1 items: Adarsh Bhat (adarshbhat)
  • 1 items: Martin Mirchev (Marti2203)
  • 1 items: Rex Jaeschke (RexJaeschke)
  • 1 items: Muhammed Zakir (MuhammedZakir)
  • 1 items: trenki2
  • 1 items: Arunav Sanyal (Khalian)
  • 1 items: Tian Siyuan (tiansiyuan)
  • 1 items: Arthur Sonzogni (ArthurSonzogni)
  • 1 items: demons (Clcanny)
  • 1 items: ericliu (eric-buaa-cn)
  • 1 items: Steven Johnstone (stevenjohnstone)
  • 1 items: Terence Parr (parrt)
  • 1 items: Shan M (sha-N)
  • 1 items: Akos Kiss (akosthekiss)
  • 1 items: Gareth Andrew Lloyd (Ignition)
  • 1 items: Crasse maximum (IohannRabeson)
  • 1 items: Pablo Blanco Celdrán (sigmasoldi3r)
  • 1 items: Kilian Kilger (cohomology)
  • 1 items: Franco Victorio (fvictorio)
  • 1 items: David MARKEY (d-markey)
  • 1 items: [OXID-PS] Keywan Ghadami (keywan-ghadami-oxid)
  • 1 items: gomerser
  • 1 items: Moses Paul R (iammosespaulr)
  • 1 items: Tristan Swadell (TristonianJones)
  • 1 items: Martin van Wingerden (martinvw)
  • 1 items: Adam Grabski (Agrabski)
  • 1 items: Leon Wehmeier (lwehmeier)
  • 1 items: Denis Kyashif (deniskyashif)
  • 1 items: Song Yang (XsongyangX)
  • 1 items: Mark Lilback (mlilback)
  • 1 items: StochasticTinkr
  • 1 items: Nathanael Demacon (quantumsheep)
  • 1 items: gerrie-myburgh
  • 1 items: Julián Bermúdez Ortega (julibert)
  • 1 items: Steve Vinoski (vinoski)
  • 1 items: praveen4463
  • 1 items: Ben List (listba)
  • 1 items: Markus Franke (markus-franke)
  • 1 items: Eason Lin (easonlin404)
  • 1 items: thron7
  • 1 items: delins
  • 1 items: Abhijith Neil Abraham (abhijithneilabraham)
  • 1 items: Massimo Santini (mapio)
  • 1 items: t-gergely
  • 1 items: wkhemir
  • 1 items: Ivan Kochurkin (KvanTTT)
  • 1 items: xsIceman
  • 1 items: Alexander Selling (sellingsolutions)

Previous changes from v4.8

• 👀 Thanks to @marcospassos, ANTLR 4.8 introduces a PHP target! See PHP PRs

  🛠 Issues fixed

  • C# Antlr4.Runtime.Standard v4.7.2.0 assembly signature problem (comp:tool, status:duplicate, target:csharp)

  👌 Improvements, features

  cpp target

  • 🚀 C++ VS project updates for next ANTLR4 release (comp:build, comp:doc, target:cpp)
  • don't unnecessary fetch all tokens when grabbing an interval of text … (target:cpp)
  • fix cpp cmake for emscripten (target:cpp)

  go target

  • 🚚 Remove unnecessary Travis files. (target:go)

  javascript target

  • Fix placement of @members in Javascript target lexers (target:javascript)
  • 📦 Fix main entry point for JavaScript runtime npm package (target:javascript)

  swift target

  • [Swift] Migrate Swift runtime to Swift 5. (target:swift)
  • ✅ [Swift] Check process exit status during tests. (target:swift)

  Contributors

  • 5 items: Ewan Mellor (ewanmellor)
  • 1 items: Mike Lischke (mike-lischke)
  • 1 items: Marcos Passos (marcospassos)
  • 1 items: jimmy-the-eek
  • 1 items: Tabari Alexander (tehbone)
  • 1 items: Zhiqiang Lu (zqlu)
  • 1 items: WalterCouto
  • 1 items: Markus Zancolo (kuegi)

• All Versions
• Previous v4.8