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EBNF-guided generation #203

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tanvisharma opened this issue Feb 14, 2025 · 1 comment
Closed

EBNF-guided generation #203

tanvisharma opened this issue Feb 14, 2025 · 1 comment

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@tanvisharma
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tanvisharma commented Feb 14, 2025 •
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Hello,

I am trying to use xgrammar for one of my research projects. Is the EBNF-guided generation supported for any CFG represented in EBNF or are there any grammar constraints I should be aware of?

Thank you for your time! Looking forward to a response soon.
@tanvisharma tanvisharma reopened this Feb 14, 2025
@tanvisharma tanvisharma changed the title Error while using EBNF-guided generation EBNF-guided generation Feb 14, 2025
@Ubospica
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Hi @tanvisharma, now XGrammar theoretically supports any EBNF. Now left recursion (#126) is not supported, and the grammar had better not produce many non-deterministic stacks during parsing (see more in #127 (comment)). We are also enhancing our parser impl to further reduce the limitation.

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@tanvisharma @Ubospica