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Looking at the sections for contributing features and https://github.com/mesonbuild/meson/issues/672 I figure updated documentation about how new languages should be added is needed. In particular, I…
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There seems to be a problem with the PostgreSQL grammar. The python generated parser for PosgreSQL does not work.
The command:
`antlr4 -Dlanguage=Python3 PostgreSQLLexer.g4`
results in warn…
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Antlr 4 is considerably more powerful than javacc, and javacc's future is a bit less certain these days; a [Rust grammar is available](https://github.com/jbclements/rust-antlr) that could probably jus…
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Evaluate the JavaScript target of ANTLR v4.6 and provide support for such grammars in the static web app scenario (no Xtext in the backend).
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Antlr4 tool version 4.5 and 4.5.3, error reporting,
Over the weekend I've been working to split my lexer gammar up into several files, with import relationships. see attached archive [PowerShellGr…
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For the same reason that parsers need a `self`-like attribute in semantic predicates(_i.e._, `self` vs. `this` vs. ...), lexers do as well. [Commit 38c4e2b0028d2a305d0cf05ce5669d23d67ea88e](https://g…
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With ANTLR 4.5.1, following the example on page 36 of the book where the lexer and parser grammars are split up resulting in "LibExpr.g4". I split my grammar into lexical and parsing rules. I named th…
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Using dotnet-antlr, I'm in the process of [cleaning up the grammars-v4 repo](https://github.com/antlr/grammars-v4/issues/2069). But, I decided to test the performance of Java, C#, Dart, Go, JavaScript…
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I created a parser in TypeScript for YAML like language but my language is more simpler one. I want to handle the indents and dedents when newline token occurs
### Issue 1: Observed that everytime …
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Pycharm and Python 3.12 in general accept lines in this format
```python
class MyMetaBaseWxCommand(BaseWxCommandMeta, ABCMeta): # type: ignore
pass
```
However, the Python parser generat…