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GitHub / lark-parser/lark issues and pull requests

#1538 - Notification sound error on Ubuntu 24.04

Issue - State: closed - Opened by ntp-shin about 1 month ago
Labels: invalid

#1535 - made the interpreter code example correct using @visit_children_decor

Pull Request - State: closed - Opened by sakshamwithweb 3 months ago - 2 comments

#1534 - How to find out last save position, when do "on _error"?

Issue - State: open - Opened by XvKuoMing 3 months ago - 4 comments
Labels: question

#1531 - better error messages for shift/reduct conflicts

Pull Request - State: closed - Opened by skogsbaer 3 months ago - 2 comments

#1529 - Docs: Updated link of DSL article to a new version

Pull Request - State: closed - Opened by erezsh 3 months ago - 1 comment

#1528 - Improve lark-cython compatibility

Pull Request - State: open - Opened by ornariece 3 months ago - 2 comments

#1527 - Add support for the `a` and `L` regex flags

Issue - State: open - Opened by erezsh 3 months ago - 3 comments
Labels: enhancement

#1526 - Parsing bytestrings and token values

Issue - State: open - Opened by createyourpersonalaccount 3 months ago - 2 comments
Labels: bug

#1524 - add function `replace_nodes` to Tree

Pull Request - State: open - Opened by zzc0430 4 months ago - 9 comments

#1521 - Support match on tree

Pull Request - State: closed - Opened by colmmurphyxyz 4 months ago - 7 comments

#1520 - Include the original text in the metadata of trees

Issue - State: open - Opened by jacobm-tech 4 months ago - 1 comment
Labels: enhancement

#1519 - TypeError: object of type 'int' has no len()

Issue - State: closed - Opened by RubberSpring 5 months ago - 4 comments
Labels: question

#1518 - Fix generic type of Transformer_InPlaceRecursive

Pull Request - State: closed - Opened by lbhm 5 months ago - 1 comment

#1517 - Missing Generic annotation for Transformer_InPlaceRecursive

Issue - State: closed - Opened by lbhm 5 months ago - 1 comment

#1516 - Rethinking the import system

Pull Request - State: open - Opened by Niki4tap 5 months ago - 18 comments

#1514 - Parser performance with ambiguity

Issue - State: open - Opened by sternj 5 months ago - 16 comments
Labels: question

#1512 - Run code on every attribute

Issue - State: open - Opened by synalice 6 months ago - 7 comments
Labels: question

#1511 - Corrupted Linux Binary for 1.1.9

Issue - State: closed - Opened by NolanTrem 6 months ago - 3 comments

#1510 - Lark needs a favicon

Issue - State: open - Opened by nchammas 6 months ago - 1 comment
Labels: enhancement

#1509 - Matching line continuation in shell style comment

Issue - State: open - Opened by kevemueller 6 months ago - 3 comments
Labels: question

#1508 - [docs] Small fix for PR 1507

Pull Request - State: closed - Opened by erezsh 6 months ago - 1 comment

#1507 - Add note on binding power of numeric quantifiers

Pull Request - State: closed - Opened by 414owen 6 months ago - 1 comment

#1506 - Serialize Lark.grammar (fixes issue #1472)

Pull Request - State: open - Opened by NasalDaemon 6 months ago - 8 comments

#1505 - ImportError: cannot import name 'Branch' from 'lark.tree'

Issue - State: closed - Opened by mura-suke 6 months ago
Labels: question

#1504 - Added example for Terminal priority setting

Pull Request - State: open - Opened by toddobryan 7 months ago

#1503 - Type `Terminal.__init__`

Pull Request - State: closed - Opened by tybug 7 months ago - 1 comment

#1502 - Add guidance on handling comments in languages with significant indentation

Pull Request - State: closed - Opened by nchammas 7 months ago - 4 comments

#1501 - Tree.data typing - extend type with Token class

Pull Request - State: closed - Opened by Andrej730 7 months ago - 12 comments

#1500 - Python reconstructor list comprehension error

Issue - State: open - Opened by ellieyhcheng 7 months ago - 1 comment

#1499 - Difference between Visitor classes

Issue - State: closed - Opened by synalice 7 months ago - 1 comment
Labels: question

#1498 - Can't figure out how OR works in rules

Issue - State: closed - Opened by synalice 8 months ago
Labels: question

#1497 - Can Lark parse rpm spec file format?

Issue - State: closed - Opened by synalice 8 months ago - 4 comments
Labels: question

#1496 - test_nearley failure when trying to run with the unittest module

Issue - State: closed - Opened by Apteryks 8 months ago - 1 comment
Labels: wontfix

#1494 - Move documentation to bootstrap 5

Issue - State: open - Opened by wiene 8 months ago
Labels: help wanted, good first issue, docs

#1493 - Interactive parsing with Earley

Issue - State: open - Opened by tanvisharma 8 months ago - 3 comments
Labels: enhancement

#1492 - Understanding Earley parser performance edge cases

Issue - State: closed - Opened by dolsysmith 8 months ago - 4 comments
Labels: question

#1491 - How do weights work on Lark rules / terminals?

Issue - State: closed - Opened by FruitfulApproach 8 months ago - 2 comments
Labels: question

#1490 - Longest match lexer option to mimic the Unix tool Lex

Pull Request - State: open - Opened by AiStudent 8 months ago - 2 comments

#1489 - Difference in LALR Grammar Parsing

Issue - State: open - Opened by Crayon112 9 months ago
Labels: question

#1487 - Support python match on Tree

Issue - State: open - Opened by philzook58 9 months ago - 1 comment
Labels: enhancement, good first issue

#1486 - Mention internal/external transformers in the documentation

Pull Request - State: closed - Opened by odanoburu 9 months ago - 1 comment

#1485 - Porting from pyparsing: counted_array

Issue - State: closed - Opened by gerlero 9 months ago - 5 comments
Labels: question

#1484 - Terminal Names Documentation

Issue - State: open - Opened by EmperorArthur 9 months ago - 1 comment
Labels: enhancement

#1483 - Wrap functools.partial in staticmethod() to add compatibility with Python 3.14

Pull Request - State: closed - Opened by hrnciar 9 months ago - 1 comment

#1482 - Lark | Creating A Grammar For YAML

Issue - State: open - Opened by jordanparker6 9 months ago - 1 comment
Labels: question

#1481 - Fix `Symbol.__eq__` to return false when comparing with None

Pull Request - State: closed - Opened by weaversam8 9 months ago - 8 comments

#1480 - python 3.14.0a1 - test_partial and test_smart_decorator are failing

Issue - State: closed - Opened by hrnciar 9 months ago - 4 comments

#1477 - Async methods in transformers are not working

Issue - State: closed - Opened by vignesh14052002 10 months ago - 4 comments

#1475 - Pasring never finishes for complex Terraform file

Issue - State: closed - Opened by rotemavni 10 months ago - 8 comments

#1474 - Quickly identify cause of UnexpectedEOF exception thrown parsing a very large file?

Issue - State: closed - Opened by byerun 10 months ago - 2 comments
Labels: question

#1473 - Ignored terminal used in the grammar is expected with Earley but not with LALR

Issue - State: open - Opened by Molrn 10 months ago - 3 comments
Labels: bug, add to docs

#1472 - `cache` option does not work with `Reconstructor`

Issue - State: open - Opened by weaversam8 10 months ago

#1470 - `strict` option mentioned in documentation does not seem to exist

Issue - State: closed - Opened by kpet 11 months ago - 2 comments

#1469 - Extracting terminals in Transformer?

Issue - State: closed - Opened by alexthomasv 11 months ago - 5 comments
Labels: question

#1468 - Alternative to @v_args()

Issue - State: closed - Opened by makukha 11 months ago - 5 comments
Labels: enhancement

#1467 - Add Tree.find_token() method

Pull Request - State: closed - Opened by makukha 11 months ago - 10 comments

#1466 - Syntactic sugar: Tree.find_token()

Issue - State: closed - Opened by makukha 11 months ago - 2 comments
Labels: enhancement

#1465 - Syntactic sugar: Tree.has_data()

Issue - State: open - Opened by makukha 11 months ago - 5 comments
Labels: enhancement

#1464 - Regex wildcard too greedy

Issue - State: closed - Opened by jbogar 11 months ago - 2 comments

#1462 - Quick question - am I using Lark correctly?

Issue - State: closed - Opened by FruitfulApproach 11 months ago - 4 comments
Labels: question

#1461 - Terminal Editing before Compression

Issue - State: closed - Opened by clementfaisandier 11 months ago - 4 comments
Labels: enhancement

#1460 - Better error in Lark.parse when using on_error when parser!=lalr (issue #1311)

Pull Request - State: closed - Opened by erezsh 11 months ago - 1 comment

#1459 - Tiny refactor for PR #1451

Pull Request - State: closed - Opened by erezsh 11 months ago - 1 comment

#1458 - Docs: Rephrase v_args() documentation to underline it only applies to Transformer classes

Pull Request - State: closed - Opened by skepppy 11 months ago - 3 comments
Labels: docs

#1457 - v_args seems to be ignored for subclass of Visitor class

Issue - State: closed - Opened by skepppy 11 months ago - 3 comments
Labels: add to docs

#1456 - Resolution order changed

Issue - State: closed - Opened by Conchylicultor 11 months ago - 2 comments
Labels: question

#1455 - Confusing Error on simple example.

Issue - State: closed - Opened by Shuraken007 11 months ago - 2 comments
Labels: question

#1453 - Extending python grammar

Issue - State: closed - Opened by mbhall88 11 months ago - 3 comments
Labels: question

#1452 - Added TextSlice; Lark can now parse/lex a text-slice

Pull Request - State: closed - Opened by erezsh 12 months ago - 4 comments

#1451 - Earley: share nodes created by the scanner with the completer

Pull Request - State: closed - Opened by chanicpanic 12 months ago - 5 comments

#1450 - Escape double quote not working

Issue - State: closed - Opened by KelvinChung2000 12 months ago - 2 comments

#1449 - Generate counter-examples for conflicts in LALR parsing

Issue - State: open - Opened by BenzoX 12 months ago - 3 comments
Labels: enhancement

#1448 - Terminal collision when importing the same terminal from different grammars

Issue - State: open - Opened by erezsh 12 months ago
Labels: enhancement, discussion

#1447 - Bugfix Earley: only transform the solutions we yield

Pull Request - State: closed - Opened by erezsh 12 months ago - 4 comments

#1446 - Initial support for import * (WIP)

Pull Request - State: open - Opened by erezsh 12 months ago - 1 comment

#1444 - Bugfix: Earley now respects ambiguity='resolve' again. Bug was introd…

Pull Request - State: closed - Opened by erezsh 12 months ago - 1 comment

#1443 - Ambiguities and Priorities in 1.2.1 earley

Issue - State: open - Opened by MaxOstrowski 12 months ago - 6 comments
Labels: question

#1442 - Error in parsing datetime strings

Issue - State: closed - Opened by MohammedShokr 12 months ago - 1 comment

#1441 - Priorities not working within recursive rules

Issue - State: open - Opened by ThatOtherAndrew 12 months ago

#1440 - Lexer matches shorter literals before longer literals

Issue - State: closed - Opened by tom-huntington about 1 year ago - 1 comment

#1439 - _TERMINAL appears in tree

Issue - State: closed - Opened by tom-huntington about 1 year ago - 1 comment

#1437 - Porting from pyparsing match_previous_literal

Issue - State: open - Opened by kevemueller about 1 year ago - 4 comments
Labels: question

#1436 - Superfluous identical ambiguities in Earley

Issue - State: open - Opened by erezsh about 1 year ago - 3 comments
Labels: bug, Earley

#1435 - Bugfix for issue #1434

Pull Request - State: closed - Opened by erezsh about 1 year ago - 4 comments

#1434 - Inconsistent parse results from simple ambiguous grammar

Issue - State: closed - Opened by mcarpenter about 1 year ago - 4 comments

#1433 - Disable ForestToParseTree cache when ambiguity='resolve'

Pull Request - State: closed - Opened by chanicpanic about 1 year ago - 3 comments

#1432 - Fix SymbolNode.end for completed tokens

Pull Request - State: closed - Opened by chanicpanic about 1 year ago - 3 comments

#1431 - Dynamic Earley: Incorrect value for SymbolNode.end

Issue - State: closed - Opened by chanicpanic about 1 year ago

#1430 - Update config and drop python < 3.8

Pull Request - State: open - Opened by MegaIng about 1 year ago - 2 comments

#1429 - Add scanning

Pull Request - State: open - Opened by MegaIng about 1 year ago - 15 comments

#1428 - Clean up test_parser.py, use xFail instead of skip where appropriate

Pull Request - State: closed - Opened by MegaIng about 1 year ago - 6 comments

#1427 - BUGFIX Earley: Now yielding a previously repressed ambiguity

Pull Request - State: closed - Opened by erezsh about 1 year ago - 6 comments

#1426 - Post 1388 changes

Issue - State: open - Opened by MegaIng about 1 year ago - 3 comments