lark

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1.1.7: `commentjson` 0.9.0 documentation prints call traces and pytest is failing because it cannot find `common.lark`

8

**Describe the bug** I'm trying to upgrade commentjson to be able use it with latest `lark`. Looks like something is wrong with `lark` code because `commentjson` 0.9.0 documentation prints call...

kloczek

A streamable parser

8

**Suggestion** Sometimes we need to parse and transform a very large stream that can't be fit into memory all at once. Lark has a way of transforming a tree from...

swamidass

Unify `Token` and `Tree` position information.

1

For trees the position information is placed inside the `meta` attribute. When using `Token` the information is directly stored in attributes. This makes it hard to write code which accepts...

HolonProduction

Earley parser produces wrong parse Tree

7

Over on SO someone asked this question: https://stackoverflow.com/questions/76366280/parsing-formulas-using-lark-ebnf/76381256 As far as I can tell, it shows a bug in the earley parser where it duplicates some Tokens because of enormous...

MegaIng

TypeError: Parser.parse() got an unexpected keyword argument 'on_error'

4

``` ERROR:root:parser raised exception Traceback (most recent call last): File "/home/aspizu/Projects/goboscript-lsp/goboscript-lsp/diag.py", line 32, in get_diagnostics parser.parse(doctext, on_error=on_error) File "/usr/lib/python3.11/site-packages/lark/lark.py", line 645, in parse return self.parser.parse(text, start=start, on_error=on_error) ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "/usr/lib/python3.11/site-packages/lark/parser_frontends.py",...

aspizu

Empty matches appearing unnecessarily when repeating empty rules ambiguously

3

I'm writing a simple assembly-like language and I'm using Lark to parse it's AST, but I'm having trouble with ambiguity. Here's a boiled-down MinRe: ```python grammar =""" program: statement* //...

redruin1

Standalone license clarification

9

A generated standalone parser contains the user's dumped grammar data plus code extracted from Lark which is otherwise under the MIT license. Given that, how is the generated parser licenced...

LynnKirby

Considering the following input string `input_str = "C(x) :: B(x) & A(x)"`. I have the following grammar : ``` my_grammar = u""" start: expressions expressions : (expression)+ ?expression : my_rule...

lalshikh

ImportError when packaging a standalone application with PyInstaller

6

When attempting to package my application using PyInstaller, I encounter an error related to the "lark" library. When trying to initiate the SelfQueryRetriever from langchain, I encounter the following problem:...

Mazzesy

Req: Option to disable "grammar module name prefixing"

1

**Suggestion** Requesting a constructor option to disable the "double underscore" prefixing of targets based on grammar module names. Consider grammar file `main.lark`: ``` %import foo.target_in_foo ... start: sometarget sometarget: othertarget...

davidmcnabnz