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- Reimplement grammar analysis engine
- Hush codes
Parsing
- Left recursion elimination and expression grammar simplification [ANTLR4:DONE]
- Scannerless parsing
- Error alternatives
- Maybe ambiguous alt parsing, yielding parse forest
- Improve tree pattern matching, rewrites; e.g., <"0":primary>
Lexing
- DFA-based / NFA-based Lexers
- Lexer modes
- Long int based tokens instead of objects; use token adaptor
- Unbuffered I/O
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- Default rule parameter values, same for scope fields.Hush codes
Implementation
- Use ST v4 to generate code
- Create new code generation mechanism
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