Issues

• Rust target emits 1usize << for token bitmasks — generated parsers misparse on 32-bit targets (wasm32)

  antlr4rust/antlr4#47 · Filter by author knoguchi opened on Aug 9, 2026
  1

• Get validated parse tree with no need for unwrap on Option

  antlr4rust/antlr4#45 · Filter by author siddharth-narayan opened on May 6, 2026
  8

• Potential perf win: Inline SemanticContext in ATNConfig and unbox ATNConfig in ATNConfigSet

  antlr4rust/antlr4#37 · Filter by author jonhoo opened on Feb 8, 2026
  1

• Potential perf win: Pre-allocate ATNConfigSet collections

  antlr4rust/antlr4#36 · Filter by author jonhoo opened on Feb 8, 2026
  3

• Potential perf win: Use SmallVec for parse tree context children

  antlr4rust/antlr4#35 · Filter by author jonhoo opened on Feb 8, 2026
  4

• Rust bindings for P Protocol Language generate code which fails builds

  antlr4rust/antlr4#32 · Filter by author christow-aws opened on Feb 3, 2026
  2

• Crate to upstream

  antlr4rust/antlr4#24 · Filter by author rrevenantt opened on Dec 17, 2025 · Long term Rust support for antlr
  18

• Grammar actions can reference the recognizer, semantic predicates can't!!

  antlr4rust/antlr4#23 · Filter by author kaby76 opened on Nov 19, 2025
  1

• Make the crate include the tool jar ?

  antlr4rust/antlr4#3 · Filter by author alexsnaps opened on Jun 20, 2025 · Long term Rust support for antlr
  2

• Fix collisions in parser & lexer

  antlr4rust/antlr4#1 · Filter by author alexsnaps opened on Jun 20, 2025 · Long term Rust support for antlr