whitequark/parser

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A Ruby parser.

Stars: 1.6k
Forks: 205
Open beginner issues: 0
Indexed issues: 43

Dominant language: Yacc
License: No license data
Last GitHub push: Jul 16, 2026
Latest indexed: Sep 20, 2026
Contributing guide: Contributing guide
Code of conduct: No code of conduct
Beginner labels: No beginner labels indexed
PR merge metrics: No merged PRs in 30d

Beginner friendly Everything

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43 open issues indexed

Unary method call doesn't drop the trailing `@` Open

Difficulty 3/5 1-2 days Newbie friendliness 45/100

whitequark/parser#1084 · Opened Oct 27, 2025
Nodes with same content from different locations considered equal Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

whitequark/parser#1075 · 5 comments · Opened Mar 31, 2025
`"#$-1"` interpreted as shorthand global interpolation, is just a string literal Open

Difficulty 3/5 1-2 days Newbie friendliness 45/100

whitequark/parser#1063 · Opened Jan 18, 2025
Backreference in shorthand interpolation is interpreted as a global Open

Difficulty 3/5 1-2 days Newbie friendliness 50/100

whitequark/parser#1059 · Opened Jan 8, 2025
Soft deprecation of the project? Open

Difficulty 5/5 Over a week Newbie friendliness 20/100

whitequark/parser#1046 · 36 comments · 1 reaction · Opened Nov 21, 2024
Part of the parsing for the ternary operator is not compatible with Ruby 2.2+ Open

Difficulty 3/5 1-2 days Newbie friendliness 48/100

whitequark/parser#1041 · Opened Oct 7, 2024
Doc: RemoveDo is incomplete Open

Difficulty 2/5 1-3 hours Newbie friendliness 50/100

whitequark/parser#1034 · 2 comments · Opened Aug 7, 2024
Regular expression escaping Open

Difficulty 3/5 1-2 days Newbie friendliness 30/100

whitequark/parser#1026 · Opened Jun 12, 2024
Newlines before comments Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

whitequark/parser#1025 · Opened Jun 12, 2024
ruby/ruby@1fc0763 Open

upstream

Difficulty 3/5 1-2 days Newbie friendliness 20/100

whitequark/parser#1024 · Opened Jun 12, 2024
Nested heredocs Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

whitequark/parser#1021 · Opened Jun 7, 2024
Offsets with \r\n in source Open

Difficulty 4/5 3-5 days Newbie friendliness 38/100

whitequark/parser#1020 · Opened Jun 7, 2024
ruby/ruby@cbc83c4 Open

upstream

Difficulty 5/5 Over a week Newbie friendliness 15/100

whitequark/parser#1019 · Opened Jun 7, 2024
Heredocs spanning other content Open

bug

Difficulty 4/5 3-5 days Newbie friendliness 35/100

whitequark/parser#1017 · Opened Jun 4, 2024
Unary `+` precedence Open

bug

Difficulty 4/5 3-5 days Newbie friendliness 35/100

whitequark/parser#1016 · 5 comments · Opened Jun 4, 2024
ruby/ruby@05553cf Open

upstream

Difficulty 5/5 Over a week Newbie friendliness 15/100

whitequark/parser#1015 · Opened Jun 1, 2024
ruby/ruby@5bb656e Open

upstream

Difficulty 5/5 Over a week Newbie friendliness 15/100

whitequark/parser#1012 · Opened May 8, 2024
ruby/ruby@e369884 Open

upstream

Difficulty 4/5 3-5 days Newbie friendliness 15/100

whitequark/parser#1007 · 1 comment · Opened Apr 14, 2024
ruby/ruby@0d5b165 Open

upstream

Difficulty 5/5 Over a week Newbie friendliness 10/100

whitequark/parser#1002 · Opened Mar 17, 2024
ruby/ruby@df5ef28 Open

upstream

Difficulty 4/5 3-5 days Newbie friendliness 20/100

whitequark/parser#1001 · Opened Mar 17, 2024
Incompatibility in syntax error when blank heredoc delimiters Open

Difficulty 3/5 1-2 days Newbie friendliness 42/100

whitequark/parser#996 · Opened Feb 26, 2024
Incompatibility in syntax errors regarding "void value expression" Open

Difficulty 4/5 3-5 days Newbie friendliness 42/100

whitequark/parser#995 · Opened Feb 26, 2024
Not accepting vim-style magic encoding comment Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

whitequark/parser#994 · Opened Feb 2, 2024
ruby/ruby@9d3dcb8 Open

upstream

Difficulty 4/5 3-5 days Newbie friendliness 20/100

whitequark/parser#988 · Opened Jan 7, 2024
ruby/ruby@44592c4 Open

upstream

Difficulty 4/5 3-5 days Newbie friendliness 20/100

whitequark/parser#962 · 1 comment · Opened Dec 25, 2023
Escaped newlines in single-quoted heredocs Open

bug

Difficulty 3/5 1-2 days Newbie friendliness 35/100

whitequark/parser#950 · Opened Oct 17, 2023
Pattern accepted by parser but rejected by MRI Open

bug

Difficulty 4/5 3-5 days Newbie friendliness 42/100

whitequark/parser#919 · Opened Mar 27, 2023
Performance issues on large inputs Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

whitequark/parser#918 · 5 comments · Opened Mar 24, 2023
Parser::Lexer#advance method is too big for JIT compilers Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

whitequark/parser#871 · 37 comments · Opened Oct 13, 2022
Broken link in README.md Open

Difficulty 1/5 Under an hour Newbie friendliness 45/100

whitequark/parser#865 · 2 comments · 1 reaction · Opened Aug 13, 2022
Empty curly Unicode escape is not an error Open

Difficulty 3/5 1-2 days Newbie friendliness 42/100

whitequark/parser#856 · 3 comments · Opened Jun 4, 2022
multi-level mlhs treated as single level Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

whitequark/parser#825 · 3 comments · Opened Nov 4, 2021
EOF characters should be allowed as heredoc delimiter Open

bug

Difficulty 3/5 1-2 days Newbie friendliness 42/100

whitequark/parser#809 · 1 comment · Opened Jul 10, 2021
Documentation not updated Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

whitequark/parser#806 · 2 reactions · Opened Jul 8, 2021
Rubydoc missing curly brace characters Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

whitequark/parser#803 · Opened May 28, 2021
highlight line should handle case where size == 0 Open

Difficulty 2/5 1-3 hours Newbie friendliness 45/100

whitequark/parser#785 · 4 comments · Opened Jan 13, 2021
Quasi nested heredoc accepted by parser and rejected by ruby. Open

bug

Difficulty 3/5 1-2 days Newbie friendliness 45/100

whitequark/parser#744 · Opened Sep 24, 2020
Summarize `inspect` Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

whitequark/parser#728 · 1 reaction · Opened Jul 30, 2020
Consider making location explicit. Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

whitequark/parser#691 · 12 comments · Opened May 17, 2020
ruby/ruby@d746a41 Open

upstream

Difficulty 5/5 Over a week Newbie friendliness 15/100

whitequark/parser#593 · 2 comments · Opened Jul 5, 2019
ruby/ruby@62ec5eb - error messages improvements Open

enhancement

Difficulty 4/5 3-5 days Newbie friendliness 20/100

whitequark/parser#545 · 5 comments · Opened Jan 21, 2019
1.8 char const + \u esc seq should be invalid syntax Open

bug

Difficulty 3/5 1-2 days Newbie friendliness 35/100

whitequark/parser#464 · 7 comments · Opened Mar 2, 2018
Heredoc delimiter considered part of the string Open

bug

Difficulty 4/5 3-5 days Newbie friendliness 45/100

whitequark/parser#328 · 11 comments · Opened Dec 1, 2016

whitequark/parser

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