llama-cpp-gbnf 0.11.0

Standalone, model-free GBNF grammar validator built on llama.cpp's real parser
Documentation 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19

use std::ffi::NulError;

#[derive(Debug, thiserror::Error, PartialEq, Eq)]
pub enum GbnfValidationError {
    #[error("grammar string contains an interior NUL byte")]
    GrammarContainsNul(#[source] NulError),
    #[error("grammar root name contains an interior NUL byte")]
    RootContainsNul(#[source] NulError),
    #[error("grammar has a syntax error and could not be parsed")]
    SyntaxError,
    #[error("grammar defines no rules")]
    EmptyRuleSet,
    #[error("grammar does not define the root symbol {root:?}")]
    RootSymbolMissing { root: String },
    #[error("grammar is left-recursive and cannot be compiled by llama.cpp")]
    LeftRecursion,
    #[error("the llama.cpp grammar engine threw an exception")]
    GrammarEngineThrew,
}