node-llama-cpp/dist/utils/gbnfJson/GbnfTerminal.js

Run AI models locally on your machine with node.js bindings for llama.cpp. Enforce a JSON schema on the model output on the generation level

export class GbnfTerminal {
    _ruleName = null;
    /** To be used only by `getRuleName` */
    generateRuleName(grammarGenerator) {
        return grammarGenerator.generateRuleName();
    }
    getRuleName(grammarGenerator) {
        if (this._ruleName != null)
            return this._ruleName;
        const ruleName = this.generateRuleName(grammarGenerator);
        this._ruleName = ruleName;
        return ruleName;
    }
    getGrammarFromResolve(grammarGenerator) {
        return this.getGrammar(grammarGenerator);
    }
    resolve(grammarGenerator) {
        if (this._ruleName != null)
            return this._ruleName;
        const grammar = this.getGrammarFromResolve(grammarGenerator);
        const existingRuleName = grammarGenerator.ruleContentToRuleName.get(grammar);
        if (existingRuleName != null) {
            this._ruleName = existingRuleName;
            return existingRuleName;
        }
        const ruleName = this.getRuleName(grammarGenerator);
        if (grammar === ruleName) {
            this._ruleName = ruleName;
            return ruleName;
        }
        if (!grammarGenerator.rules.has(ruleName)) {
            grammarGenerator.rules.set(ruleName, grammar);
            grammarGenerator.ruleContentToRuleName.set(grammar, ruleName);
        }
        this._ruleName = ruleName;
        return ruleName;
    }
}
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