tree-sitter-systemverilog

Full SystemVerilog IEEE 1800-2023 grammar for tree-sitter.

Differences with tree-sitter-verilog

Pros

• Full implementation of the latest SystemVerilog standard (IEEE 1800-2023)
• Robust and reliable: sv-tests results
• Actively maintained
• Thoroughly tested (~2000 tests, including the whole UVM 2.0 and some open source projects)
• Implements node fields
• Supports parsing of code snippets (e.g., always block outside of a module)
• Basic preprocessing capabilities
• Currently used on Emacs verilog-ts-mode and nvim systemverilog plugin

Cons

• Generated parser is double the size
  • Generation of the compiled grammar takes longer (this only needs to be done once)

References

• https://en.wikipedia.org/wiki/Verilog
• http://tree-sitter.github.io/tree-sitter/creating-parsers