Issues

• [PL/SQL] dim_key issues

  antlr/grammars-v4#5032 · Filter by author OnMYLai opened on Oct 8, 2026

• PL/SQL lexer does not support arbitrary alternative-quote delimiters

  antlr/grammars-v4#5029 · Filter by author doberkofler opened on Oct 2, 2026

• Invalid input tests should be separated from valid input tests.

  antlr/grammars-v4#5006 · Filter by author kaby76 opened on Sep 13, 2026

• Add grammar for Decaf.

  decafnew-grammar
  antlr/grammars-v4#4999 · Filter by author kaby76 opened on Sep 1, 2026

• [MySQL] URL cannot be used as an unquoted identifier on 8.0.32+

  antlr/grammars-v4#4962 · Filter by author minleejae opened on Aug 5, 2026

• [PostgreSQL] NOTICE cannot be used as an unquoted identifier

  PostgreSQL
  antlr/grammars-v4#4960 · Filter by author minleejae opened on Aug 5, 2026

• Ada Grammars Parse Classwide Types Incorrectly

  antlr/grammars-v4#4944 · Filter by author Antigravityd opened on Jul 20, 2026

• [snowflake] Snowflake grammar is terribly slow.

  performancesnowflake
  antlr/grammars-v4#4921 · Filter by author kaby76 opened on Jul 2, 2026

• Likely all TypeScript ports are broken, again.

  antlr/grammars-v4#4896 · Filter by author kaby76 opened on Jun 13, 2026

• [kotlin] kotlin grammars.

  kotlin
  antlr/grammars-v4#4888 · Filter by author kaby76 opened on Jun 9, 2026

• [Postgresql] Fix uescape_ rule placement in identifier

  PostgreSQL
  antlr/grammars-v4#4876 · Filter by author capjck opened on May 31, 2026

• Error to Parse WebIDL

  WebIDL
  antlr/grammars-v4#4873 · Filter by author tonisimakov99 opened on May 28, 2026

• [antlr/antlr4] Sync changes in grammar from antlr-ng.

  antlr/grammars-v4#4866 · Filter by author kaby76 opened on May 25, 2026

• [plsql] USING INDEX without index name

  plsql
  antlr/grammars-v4#4840 · Filter by author P-Lng opened on May 8, 2026
  1

• Add Cymbol grammar.

  new-grammar
  antlr/grammars-v4#4828 · Filter by author kaby76 opened on Apr 29, 2026

• Release all grammars on maven central

  antlr/grammars-v4#4823 · Filter by author mickroll opened on Apr 23, 2026
  1

• [Csharp/v7] C# grammar generates Python lexer with "this." calls causing runtime "NameError"

  csharp
  antlr/grammars-v4#4787 · Filter by author speedyk-005 opened on Mar 12, 2026
  2

• [PL/SQL] Parser grammar generates conflicting names for PHP methods

  plsql
  antlr/grammars-v4#4785 · Filter by author Seb-stian opened on Mar 10, 2026
  1

• [csharp] Newer versions of the grammar for C#.

  csharp
  antlr/grammars-v4#4783 · Filter by author kaby76 opened on Mar 9, 2026
  2

• [csharp/v7] Grammar cannot parse "antlr4 -Dlanguage=CSharp"-generated files.

  csharp
  antlr/grammars-v4#4782 · Filter by author kaby76 opened on Mar 8, 2026
  1

• [new grammar] LBNF: labeled BNF.

  bnfnew-grammar
  antlr/grammars-v4#4778 · Filter by author kaby76 opened on Mar 2, 2026

• [All grammars] Add ambiguity regression testing.

  infrastructure
  antlr/grammars-v4#4768 · Filter by author kaby76 opened on Feb 25, 2026

• [PL/SQL] Exponential parse time on sum(column) + sum(column) + sum(column) + ...

  plsql
  antlr/grammars-v4#4758 · Filter by author mpeschel10 opened on Feb 20, 2026
  5

• Adding vCard 3.0 and 4.0 grammars

  new-grammar
  antlr/grammars-v4#4756 · Filter by author lecoqlibre opened on Feb 17, 2026
  7

• [PL/SQL] selection_directives syntax errors

  plsql
  antlr/grammars-v4#4747 · Filter by author jpuehler opened on Feb 10, 2026
  5