ANTLR4 parser for Python 3.14.2  

About files:

• PythonParser.g4 is the ANTLR4 parser grammar that based on the official Python PEG grammar

• PythonLexerBase class

  • handles the Python indentations
  • creates encoding token
  • tokenizes f-string, t-string literals
  • and manage many other things

Recent changes:

• parser grammar update for Python 3.14.2
• tokenizing t-string literals
• tokenizing BOM Unicode character at the start of the file so it is skipped in the token stream
• moved encoding detection from PythonLexerBase to a separate component (grun4py)

Previous changes

Related links:

ANTLR 4

ANTLR4-tools

ANTLR 4 Documentation

ANTLR 4 Runtime API

Python 3.14 Lexical Analysis

cpython

ANTLR4 parser for Python 2.7.18

ANTLR4 parser for Python 3.8